diff --git a/acf-code-field.php b/acf-code-field.php index e434835..470e8d2 100644 --- a/acf-code-field.php +++ b/acf-code-field.php @@ -15,7 +15,7 @@ // Reference: https://codex.wordpress.org/Function_Reference/load_plugin_textdomain load_plugin_textdomain( 'acf-code-field', false, dirname( plugin_basename( __FILE__ ) ) . '/lang/' ); -define( 'ACFCF_CODEMIRROR_VERSION', 'codemirror-5.23.0' ); +define( 'ACFCF_CODEMIRROR_VERSION', 'codemirror-5.39.0' ); define( 'ACFCF_PLUGIN_DIR', dirname( __FILE__ ) ); include_once( 'lib/class.acf-code-field-util.php' ); diff --git a/js/codemirror-5.23.0/.gitattributes b/js/codemirror-5.23.0/.gitattributes deleted file mode 100644 index f8bdd60..0000000 --- a/js/codemirror-5.23.0/.gitattributes +++ /dev/null @@ -1,8 +0,0 @@ -*.txt text -*.js text -*.html text -*.md text -*.json text -*.yml text -*.css text -*.svg text diff --git a/js/codemirror-5.23.0/addon/edit/continuelist.js b/js/codemirror-5.23.0/addon/edit/continuelist.js deleted file mode 100644 index 6574ea3..0000000 --- a/js/codemirror-5.23.0/addon/edit/continuelist.js +++ /dev/null @@ -1,51 +0,0 @@ -// CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS - mod(require("../../lib/codemirror")); - else if (typeof define == "function" && define.amd) // AMD - define(["../../lib/codemirror"], mod); - else // Plain browser env - mod(CodeMirror); -})(function(CodeMirror) { - "use strict"; - - var listRE = /^(\s*)(>[> ]*|- \[[x ]\]\s|[*+-]\s|(\d+)([.)]))(\s*)/, - emptyListRE = /^(\s*)(>[> ]*|- \[[x ]\]|[*+-]|(\d+)[.)])(\s*)$/, - unorderedListRE = /[*+-]\s/; - - CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) { - if (cm.getOption("disableInput")) return CodeMirror.Pass; - var ranges = cm.listSelections(), replacements = []; - for (var i = 0; i < ranges.length; i++) { - var pos = ranges[i].head; - var eolState = cm.getStateAfter(pos.line); - var inList = eolState.list !== false; - var inQuote = eolState.quote !== 0; - - var line = cm.getLine(pos.line), match = listRE.exec(line); - if (!ranges[i].empty() || (!inList && !inQuote) || !match) { - cm.execCommand("newlineAndIndent"); - return; - } - if (emptyListRE.test(line)) { - cm.replaceRange("", { - line: pos.line, ch: 0 - }, { - line: pos.line, ch: pos.ch + 1 - }); - replacements[i] = "\n"; - } else { - var indent = match[1], after = match[5]; - var bullet = unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0 - ? match[2].replace("x", " ") - : (parseInt(match[3], 10) + 1) + match[4]; - - replacements[i] = "\n" + indent + bullet + after; - } - } - - cm.replaceSelections(replacements); - }; -}); diff --git a/js/codemirror-5.23.0/addon/lint/javascript-lint.js b/js/codemirror-5.23.0/addon/lint/javascript-lint.js deleted file mode 100644 index d4f2ae9..0000000 --- a/js/codemirror-5.23.0/addon/lint/javascript-lint.js +++ /dev/null @@ -1,136 +0,0 @@ -// CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS - mod(require("../../lib/codemirror")); - else if (typeof define == "function" && define.amd) // AMD - define(["../../lib/codemirror"], mod); - else // Plain browser env - mod(CodeMirror); -})(function(CodeMirror) { - "use strict"; - // declare global: JSHINT - - var bogus = [ "Dangerous comment" ]; - - var warnings = [ [ "Expected '{'", - "Statement body should be inside '{ }' braces." ] ]; - - var errors = [ "Missing semicolon", "Extra comma", "Missing property name", - "Unmatched ", " and instead saw", " is not defined", - "Unclosed string", "Stopping, unable to continue" ]; - - function validator(text, options) { - if (!window.JSHINT) return []; - JSHINT(text, options, options.globals); - var errors = JSHINT.data().errors, result = []; - if (errors) parseErrors(errors, result); - return result; - } - - CodeMirror.registerHelper("lint", "javascript", validator); - - function cleanup(error) { - // All problems are warnings by default - fixWith(error, warnings, "warning", true); - fixWith(error, errors, "error"); - - return isBogus(error) ? null : error; - } - - function fixWith(error, fixes, severity, force) { - var description, fix, find, replace, found; - - description = error.description; - - for ( var i = 0; i < fixes.length; i++) { - fix = fixes[i]; - find = (typeof fix === "string" ? fix : fix[0]); - replace = (typeof fix === "string" ? null : fix[1]); - found = description.indexOf(find) !== -1; - - if (force || found) { - error.severity = severity; - } - if (found && replace) { - error.description = replace; - } - } - } - - function isBogus(error) { - var description = error.description; - for ( var i = 0; i < bogus.length; i++) { - if (description.indexOf(bogus[i]) !== -1) { - return true; - } - } - return false; - } - - function parseErrors(errors, output) { - for ( var i = 0; i < errors.length; i++) { - var error = errors[i]; - if (error) { - var linetabpositions, index; - - linetabpositions = []; - - // This next block is to fix a problem in jshint. Jshint - // replaces - // all tabs with spaces then performs some checks. The error - // positions (character/space) are then reported incorrectly, - // not taking the replacement step into account. Here we look - // at the evidence line and try to adjust the character position - // to the correct value. - if (error.evidence) { - // Tab positions are computed once per line and cached - var tabpositions = linetabpositions[error.line]; - if (!tabpositions) { - var evidence = error.evidence; - tabpositions = []; - // ugggh phantomjs does not like this - // forEachChar(evidence, function(item, index) { - Array.prototype.forEach.call(evidence, function(item, - index) { - if (item === '\t') { - // First col is 1 (not 0) to match error - // positions - tabpositions.push(index + 1); - } - }); - linetabpositions[error.line] = tabpositions; - } - if (tabpositions.length > 0) { - var pos = error.character; - tabpositions.forEach(function(tabposition) { - if (pos > tabposition) pos -= 1; - }); - error.character = pos; - } - } - - var start = error.character - 1, end = start + 1; - if (error.evidence) { - index = error.evidence.substring(start).search(/.\b/); - if (index > -1) { - end += index; - } - } - - // Convert to format expected by validation service - error.description = error.reason;// + "(jshint)"; - error.start = error.character; - error.end = end; - error = cleanup(error); - - if (error) - output.push({message: error.description, - severity: error.severity, - from: CodeMirror.Pos(error.line - 1, start), - to: CodeMirror.Pos(error.line - 1, end)}); - } - } - } -}); diff --git a/js/codemirror-5.23.0/addon/search/searchcursor.js b/js/codemirror-5.23.0/addon/search/searchcursor.js deleted file mode 100644 index b70242e..0000000 --- a/js/codemirror-5.23.0/addon/search/searchcursor.js +++ /dev/null @@ -1,189 +0,0 @@ -// CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS - mod(require("../../lib/codemirror")); - else if (typeof define == "function" && define.amd) // AMD - define(["../../lib/codemirror"], mod); - else // Plain browser env - mod(CodeMirror); -})(function(CodeMirror) { - "use strict"; - var Pos = CodeMirror.Pos; - - function SearchCursor(doc, query, pos, caseFold) { - this.atOccurrence = false; this.doc = doc; - if (caseFold == null && typeof query == "string") caseFold = false; - - pos = pos ? doc.clipPos(pos) : Pos(0, 0); - this.pos = {from: pos, to: pos}; - - // The matches method is filled in based on the type of query. - // It takes a position and a direction, and returns an object - // describing the next occurrence of the query, or null if no - // more matches were found. - if (typeof query != "string") { // Regexp match - if (!query.global) query = new RegExp(query.source, query.ignoreCase ? "ig" : "g"); - this.matches = function(reverse, pos) { - if (reverse) { - query.lastIndex = 0; - var line = doc.getLine(pos.line).slice(0, pos.ch), cutOff = 0, match, start; - for (;;) { - query.lastIndex = cutOff; - var newMatch = query.exec(line); - if (!newMatch) break; - match = newMatch; - start = match.index; - cutOff = match.index + (match[0].length || 1); - if (cutOff == line.length) break; - } - var matchLen = (match && match[0].length) || 0; - if (!matchLen) { - if (start == 0 && line.length == 0) {match = undefined;} - else if (start != doc.getLine(pos.line).length) { - matchLen++; - } - } - } else { - query.lastIndex = pos.ch; - var line = doc.getLine(pos.line), match = query.exec(line); - var matchLen = (match && match[0].length) || 0; - var start = match && match.index; - if (start + matchLen != line.length && !matchLen) matchLen = 1; - } - if (match && matchLen) - return {from: Pos(pos.line, start), - to: Pos(pos.line, start + matchLen), - match: match}; - }; - } else { // String query - var origQuery = query; - if (caseFold) query = query.toLowerCase(); - var fold = caseFold ? function(str){return str.toLowerCase();} : function(str){return str;}; - var target = query.split("\n"); - // Different methods for single-line and multi-line queries - if (target.length == 1) { - if (!query.length) { - // Empty string would match anything and never progress, so - // we define it to match nothing instead. - this.matches = function() {}; - } else { - this.matches = function(reverse, pos) { - if (reverse) { - var orig = doc.getLine(pos.line).slice(0, pos.ch), line = fold(orig); - var match = line.lastIndexOf(query); - if (match > -1) { - match = adjustPos(orig, line, match); - return {from: Pos(pos.line, match), to: Pos(pos.line, match + origQuery.length)}; - } - } else { - var orig = doc.getLine(pos.line).slice(pos.ch), line = fold(orig); - var match = line.indexOf(query); - if (match > -1) { - match = adjustPos(orig, line, match) + pos.ch; - return {from: Pos(pos.line, match), to: Pos(pos.line, match + origQuery.length)}; - } - } - }; - } - } else { - var origTarget = origQuery.split("\n"); - this.matches = function(reverse, pos) { - var last = target.length - 1; - if (reverse) { - if (pos.line - (target.length - 1) < doc.firstLine()) return; - if (fold(doc.getLine(pos.line).slice(0, origTarget[last].length)) != target[target.length - 1]) return; - var to = Pos(pos.line, origTarget[last].length); - for (var ln = pos.line - 1, i = last - 1; i >= 1; --i, --ln) - if (target[i] != fold(doc.getLine(ln))) return; - var line = doc.getLine(ln), cut = line.length - origTarget[0].length; - if (fold(line.slice(cut)) != target[0]) return; - return {from: Pos(ln, cut), to: to}; - } else { - if (pos.line + (target.length - 1) > doc.lastLine()) return; - var line = doc.getLine(pos.line), cut = line.length - origTarget[0].length; - if (fold(line.slice(cut)) != target[0]) return; - var from = Pos(pos.line, cut); - for (var ln = pos.line + 1, i = 1; i < last; ++i, ++ln) - if (target[i] != fold(doc.getLine(ln))) return; - if (fold(doc.getLine(ln).slice(0, origTarget[last].length)) != target[last]) return; - return {from: from, to: Pos(ln, origTarget[last].length)}; - } - }; - } - } - } - - SearchCursor.prototype = { - findNext: function() {return this.find(false);}, - findPrevious: function() {return this.find(true);}, - - find: function(reverse) { - var self = this, pos = this.doc.clipPos(reverse ? this.pos.from : this.pos.to); - function savePosAndFail(line) { - var pos = Pos(line, 0); - self.pos = {from: pos, to: pos}; - self.atOccurrence = false; - return false; - } - - for (;;) { - if (this.pos = this.matches(reverse, pos)) { - this.atOccurrence = true; - return this.pos.match || true; - } - if (reverse) { - if (!pos.line) return savePosAndFail(0); - pos = Pos(pos.line-1, this.doc.getLine(pos.line-1).length); - } - else { - var maxLine = this.doc.lineCount(); - if (pos.line == maxLine - 1) return savePosAndFail(maxLine); - pos = Pos(pos.line + 1, 0); - } - } - }, - - from: function() {if (this.atOccurrence) return this.pos.from;}, - to: function() {if (this.atOccurrence) return this.pos.to;}, - - replace: function(newText, origin) { - if (!this.atOccurrence) return; - var lines = CodeMirror.splitLines(newText); - this.doc.replaceRange(lines, this.pos.from, this.pos.to, origin); - this.pos.to = Pos(this.pos.from.line + lines.length - 1, - lines[lines.length - 1].length + (lines.length == 1 ? this.pos.from.ch : 0)); - } - }; - - // Maps a position in a case-folded line back to a position in the original line - // (compensating for codepoints increasing in number during folding) - function adjustPos(orig, folded, pos) { - if (orig.length == folded.length) return pos; - for (var pos1 = Math.min(pos, orig.length);;) { - var len1 = orig.slice(0, pos1).toLowerCase().length; - if (len1 < pos) ++pos1; - else if (len1 > pos) --pos1; - else return pos1; - } - } - - CodeMirror.defineExtension("getSearchCursor", function(query, pos, caseFold) { - return new SearchCursor(this.doc, query, pos, caseFold); - }); - CodeMirror.defineDocExtension("getSearchCursor", function(query, pos, caseFold) { - return new SearchCursor(this, query, pos, caseFold); - }); - - CodeMirror.defineExtension("selectMatches", function(query, caseFold) { - var ranges = []; - var cur = this.getSearchCursor(query, this.getCursor("from"), caseFold); - while (cur.findNext()) { - if (CodeMirror.cmpPos(cur.to(), this.getCursor("to")) > 0) break; - ranges.push({anchor: cur.from(), head: cur.to()}); - } - if (ranges.length) - this.setSelections(ranges, 0); - }); -}); diff --git a/js/codemirror-5.23.0/bin/compress b/js/codemirror-5.23.0/bin/compress deleted file mode 100755 index d358f9c..0000000 --- a/js/codemirror-5.23.0/bin/compress +++ /dev/null @@ -1,92 +0,0 @@ -#!/usr/bin/env node - -// Compression helper for CodeMirror -// -// Example: -// -// bin/compress codemirror runmode javascript xml -// -// Will take lib/codemirror.js, addon/runmode/runmode.js, -// mode/javascript/javascript.js, and mode/xml/xml.js, run them though -// the online minifier at http://marijnhaverbeke.nl/uglifyjs, and spit -// out the result. -// -// bin/compress codemirror --local /path/to/bin/UglifyJS -// -// Will use a local minifier instead of the online default one. -// -// Script files are specified without .js ending. Prefixing them with -// their full (local) path is optional. So you may say lib/codemirror -// or mode/xml/xml to be more precise. In fact, even the .js suffix -// may be specified, if wanted. - -"use strict"; - -var fs = require("fs"); - -function help(ok) { - console.log("usage: " + process.argv[1] + " [--local /path/to/uglifyjs] files..."); - process.exit(ok ? 0 : 1); -} - -var local = null, args = [], extraArgs = null, files = [], blob = ""; - -for (var i = 2; i < process.argv.length; ++i) { - var arg = process.argv[i]; - if (arg == "--local" && i + 1 < process.argv.length) { - var parts = process.argv[++i].split(/\s+/); - local = parts[0]; - extraArgs = parts.slice(1); - if (!extraArgs.length) extraArgs = ["-c", "-m"]; - } else if (arg == "--help") { - help(true); - } else if (arg[0] != "-") { - files.push({name: arg, re: new RegExp("(?:\\/|^)" + arg + (/\.js$/.test(arg) ? "$" : "\\.js$"))}); - } else help(false); -} - -function walk(dir) { - fs.readdirSync(dir).forEach(function(fname) { - if (/^[_\.]/.test(fname)) return; - var file = dir + fname; - if (fs.statSync(file).isDirectory()) return walk(file + "/"); - if (files.some(function(spec, i) { - var match = spec.re.test(file); - if (match) files.splice(i, 1); - return match; - })) { - if (local) args.push(file); - else blob += fs.readFileSync(file, "utf8"); - } - }); -} - -walk("lib/"); -walk("addon/"); -walk("mode/"); - -if (!local && !blob) help(false); - -if (files.length) { - console.log("Some specified files were not found: " + - files.map(function(a){return a.name;}).join(", ")); - process.exit(1); -} - -if (local) { - require("child_process").spawn(local, args.concat(extraArgs), {stdio: ["ignore", process.stdout, process.stderr]}); -} else { - var data = new Buffer("js_code=" + require("querystring").escape(blob), "utf8"); - var req = require("http").request({ - host: "marijnhaverbeke.nl", - port: 80, - method: "POST", - path: "/uglifyjs", - headers: {"content-type": "application/x-www-form-urlencoded", - "content-length": data.length} - }); - req.on("response", function(resp) { - resp.on("data", function (chunk) { process.stdout.write(chunk); }); - }); - req.end(data); -} diff --git a/js/codemirror-5.23.0/doc/logo.svg b/js/codemirror-5.23.0/doc/logo.svg deleted file mode 100644 index 0aa6323..0000000 --- a/js/codemirror-5.23.0/doc/logo.svg +++ /dev/null @@ -1,181 +0,0 @@ - - - -image/svg+xml \ No newline at end of file diff --git a/js/codemirror-5.23.0/lib/codemirror.js b/js/codemirror-5.23.0/lib/codemirror.js deleted file mode 100644 index 3e0cc2b..0000000 --- a/js/codemirror-5.23.0/lib/codemirror.js +++ /dev/null @@ -1,9113 +0,0 @@ -// CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -// This is CodeMirror (http://codemirror.net), a code editor -// implemented in JavaScript on top of the browser's DOM. -// -// You can find some technical background for some of the code below -// at http://marijnhaverbeke.nl/blog/#cm-internals . - -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - (global.CodeMirror = factory()); -}(this, (function () { 'use strict'; - -// Kludges for bugs and behavior differences that can't be feature -// detected are enabled based on userAgent etc sniffing. -var userAgent = navigator.userAgent -var platform = navigator.platform - -var gecko = /gecko\/\d/i.test(userAgent) -var ie_upto10 = /MSIE \d/.test(userAgent) -var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent) -var ie = ie_upto10 || ie_11up -var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]) -var webkit = /WebKit\//.test(userAgent) -var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent) -var chrome = /Chrome\//.test(userAgent) -var presto = /Opera\//.test(userAgent) -var safari = /Apple Computer/.test(navigator.vendor) -var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent) -var phantom = /PhantomJS/.test(userAgent) - -var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent) -// This is woefully incomplete. Suggestions for alternative methods welcome. -var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent) -var mac = ios || /Mac/.test(platform) -var chromeOS = /\bCrOS\b/.test(userAgent) -var windows = /win/i.test(platform) - -var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/) -if (presto_version) { presto_version = Number(presto_version[1]) } -if (presto_version && presto_version >= 15) { presto = false; webkit = true } -// Some browsers use the wrong event properties to signal cmd/ctrl on OS X -var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)) -var captureRightClick = gecko || (ie && ie_version >= 9) - -function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") } - -var rmClass = function(node, cls) { - var current = node.className - var match = classTest(cls).exec(current) - if (match) { - var after = current.slice(match.index + match[0].length) - node.className = current.slice(0, match.index) + (after ? match[1] + after : "") - } -} - -function removeChildren(e) { - for (var count = e.childNodes.length; count > 0; --count) - { e.removeChild(e.firstChild) } - return e -} - -function removeChildrenAndAdd(parent, e) { - return removeChildren(parent).appendChild(e) -} - -function elt(tag, content, className, style) { - var e = document.createElement(tag) - if (className) { e.className = className } - if (style) { e.style.cssText = style } - if (typeof content == "string") { e.appendChild(document.createTextNode(content)) } - else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]) } } - return e -} - -var range -if (document.createRange) { range = function(node, start, end, endNode) { - var r = document.createRange() - r.setEnd(endNode || node, end) - r.setStart(node, start) - return r -} } -else { range = function(node, start, end) { - var r = document.body.createTextRange() - try { r.moveToElementText(node.parentNode) } - catch(e) { return r } - r.collapse(true) - r.moveEnd("character", end) - r.moveStart("character", start) - return r -} } - -function contains(parent, child) { - if (child.nodeType == 3) // Android browser always returns false when child is a textnode - { child = child.parentNode } - if (parent.contains) - { return parent.contains(child) } - do { - if (child.nodeType == 11) { child = child.host } - if (child == parent) { return true } - } while (child = child.parentNode) -} - -function activeElt() { - // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement. - // IE < 10 will throw when accessed while the page is loading or in an iframe. - // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable. - var activeElement - try { - activeElement = document.activeElement - } catch(e) { - activeElement = document.body || null - } - while (activeElement && activeElement.root && activeElement.root.activeElement) - { activeElement = activeElement.root.activeElement } - return activeElement -} - -function addClass(node, cls) { - var current = node.className - if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls } -} -function joinClasses(a, b) { - var as = a.split(" ") - for (var i = 0; i < as.length; i++) - { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i] } } - return b -} - -var selectInput = function(node) { node.select() } -if (ios) // Mobile Safari apparently has a bug where select() is broken. - { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length } } -else if (ie) // Suppress mysterious IE10 errors - { selectInput = function(node) { try { node.select() } catch(_e) {} } } - -function bind(f) { - var args = Array.prototype.slice.call(arguments, 1) - return function(){return f.apply(null, args)} -} - -function copyObj(obj, target, overwrite) { - if (!target) { target = {} } - for (var prop in obj) - { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) - { target[prop] = obj[prop] } } - return target -} - -// Counts the column offset in a string, taking tabs into account. -// Used mostly to find indentation. -function countColumn(string, end, tabSize, startIndex, startValue) { - if (end == null) { - end = string.search(/[^\s\u00a0]/) - if (end == -1) { end = string.length } - } - for (var i = startIndex || 0, n = startValue || 0;;) { - var nextTab = string.indexOf("\t", i) - if (nextTab < 0 || nextTab >= end) - { return n + (end - i) } - n += nextTab - i - n += tabSize - (n % tabSize) - i = nextTab + 1 - } -} - -function Delayed() {this.id = null} -Delayed.prototype.set = function(ms, f) { - clearTimeout(this.id) - this.id = setTimeout(f, ms) -} - -function indexOf(array, elt) { - for (var i = 0; i < array.length; ++i) - { if (array[i] == elt) { return i } } - return -1 -} - -// Number of pixels added to scroller and sizer to hide scrollbar -var scrollerGap = 30 - -// Returned or thrown by various protocols to signal 'I'm not -// handling this'. -var Pass = {toString: function(){return "CodeMirror.Pass"}} - -// Reused option objects for setSelection & friends -var sel_dontScroll = {scroll: false}; -var sel_mouse = {origin: "*mouse"}; -var sel_move = {origin: "+move"}; -// The inverse of countColumn -- find the offset that corresponds to -// a particular column. -function findColumn(string, goal, tabSize) { - for (var pos = 0, col = 0;;) { - var nextTab = string.indexOf("\t", pos) - if (nextTab == -1) { nextTab = string.length } - var skipped = nextTab - pos - if (nextTab == string.length || col + skipped >= goal) - { return pos + Math.min(skipped, goal - col) } - col += nextTab - pos - col += tabSize - (col % tabSize) - pos = nextTab + 1 - if (col >= goal) { return pos } - } -} - -var spaceStrs = [""] -function spaceStr(n) { - while (spaceStrs.length <= n) - { spaceStrs.push(lst(spaceStrs) + " ") } - return spaceStrs[n] -} - -function lst(arr) { return arr[arr.length-1] } - -function map(array, f) { - var out = [] - for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i) } - return out -} - -function insertSorted(array, value, score) { - var pos = 0, priority = score(value) - while (pos < array.length && score(array[pos]) <= priority) { pos++ } - array.splice(pos, 0, value) -} - -function nothing() {} - -function createObj(base, props) { - var inst - if (Object.create) { - inst = Object.create(base) - } else { - nothing.prototype = base - inst = new nothing() - } - if (props) { copyObj(props, inst) } - return inst -} - -var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/ -function isWordCharBasic(ch) { - return /\w/.test(ch) || ch > "\x80" && - (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)) -} -function isWordChar(ch, helper) { - if (!helper) { return isWordCharBasic(ch) } - if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true } - return helper.test(ch) -} - -function isEmpty(obj) { - for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } } - return true -} - -// Extending unicode characters. A series of a non-extending char + -// any number of extending chars is treated as a single unit as far -// as editing and measuring is concerned. This is not fully correct, -// since some scripts/fonts/browsers also treat other configurations -// of code points as a group. -var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/ -function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) } - -// The display handles the DOM integration, both for input reading -// and content drawing. It holds references to DOM nodes and -// display-related state. - -function Display(place, doc, input) { - var d = this - this.input = input - - // Covers bottom-right square when both scrollbars are present. - d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler") - d.scrollbarFiller.setAttribute("cm-not-content", "true") - // Covers bottom of gutter when coverGutterNextToScrollbar is on - // and h scrollbar is present. - d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler") - d.gutterFiller.setAttribute("cm-not-content", "true") - // Will contain the actual code, positioned to cover the viewport. - d.lineDiv = elt("div", null, "CodeMirror-code") - // Elements are added to these to represent selection and cursors. - d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1") - d.cursorDiv = elt("div", null, "CodeMirror-cursors") - // A visibility: hidden element used to find the size of things. - d.measure = elt("div", null, "CodeMirror-measure") - // When lines outside of the viewport are measured, they are drawn in this. - d.lineMeasure = elt("div", null, "CodeMirror-measure") - // Wraps everything that needs to exist inside the vertically-padded coordinate system - d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], - null, "position: relative; outline: none") - // Moved around its parent to cover visible view. - d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative") - // Set to the height of the document, allowing scrolling. - d.sizer = elt("div", [d.mover], "CodeMirror-sizer") - d.sizerWidth = null - // Behavior of elts with overflow: auto and padding is - // inconsistent across browsers. This is used to ensure the - // scrollable area is big enough. - d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;") - // Will contain the gutters, if any. - d.gutters = elt("div", null, "CodeMirror-gutters") - d.lineGutter = null - // Actual scrollable element. - d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll") - d.scroller.setAttribute("tabIndex", "-1") - // The element in which the editor lives. - d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror") - - // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) - if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0 } - if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true } - - if (place) { - if (place.appendChild) { place.appendChild(d.wrapper) } - else { place(d.wrapper) } - } - - // Current rendered range (may be bigger than the view window). - d.viewFrom = d.viewTo = doc.first - d.reportedViewFrom = d.reportedViewTo = doc.first - // Information about the rendered lines. - d.view = [] - d.renderedView = null - // Holds info about a single rendered line when it was rendered - // for measurement, while not in view. - d.externalMeasured = null - // Empty space (in pixels) above the view - d.viewOffset = 0 - d.lastWrapHeight = d.lastWrapWidth = 0 - d.updateLineNumbers = null - - d.nativeBarWidth = d.barHeight = d.barWidth = 0 - d.scrollbarsClipped = false - - // Used to only resize the line number gutter when necessary (when - // the amount of lines crosses a boundary that makes its width change) - d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null - // Set to true when a non-horizontal-scrolling line widget is - // added. As an optimization, line widget aligning is skipped when - // this is false. - d.alignWidgets = false - - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null - - // Tracks the maximum line length so that the horizontal scrollbar - // can be kept static when scrolling. - d.maxLine = null - d.maxLineLength = 0 - d.maxLineChanged = false - - // Used for measuring wheel scrolling granularity - d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null - - // True when shift is held down. - d.shift = false - - // Used to track whether anything happened since the context menu - // was opened. - d.selForContextMenu = null - - d.activeTouch = null - - input.init(d) -} - -// Find the line object corresponding to the given line number. -function getLine(doc, n) { - n -= doc.first - if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") } - var chunk = doc - while (!chunk.lines) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize() - if (n < sz) { chunk = child; break } - n -= sz - } - } - return chunk.lines[n] -} - -// Get the part of a document between two positions, as an array of -// strings. -function getBetween(doc, start, end) { - var out = [], n = start.line - doc.iter(start.line, end.line + 1, function (line) { - var text = line.text - if (n == end.line) { text = text.slice(0, end.ch) } - if (n == start.line) { text = text.slice(start.ch) } - out.push(text) - ++n - }) - return out -} -// Get the lines between from and to, as array of strings. -function getLines(doc, from, to) { - var out = [] - doc.iter(from, to, function (line) { out.push(line.text) }) // iter aborts when callback returns truthy value - return out -} - -// Update the height of a line, propagating the height change -// upwards to parent nodes. -function updateLineHeight(line, height) { - var diff = height - line.height - if (diff) { for (var n = line; n; n = n.parent) { n.height += diff } } -} - -// Given a line object, find its line number by walking up through -// its parent links. -function lineNo(line) { - if (line.parent == null) { return null } - var cur = line.parent, no = indexOf(cur.lines, line) - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0;; ++i) { - if (chunk.children[i] == cur) { break } - no += chunk.children[i].chunkSize() - } - } - return no + cur.first -} - -// Find the line at the given vertical position, using the height -// information in the document tree. -function lineAtHeight(chunk, h) { - var n = chunk.first - outer: do { - for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) { - var child = chunk.children[i$1], ch = child.height - if (h < ch) { chunk = child; continue outer } - h -= ch - n += child.chunkSize() - } - return n - } while (!chunk.lines) - var i = 0 - for (; i < chunk.lines.length; ++i) { - var line = chunk.lines[i], lh = line.height - if (h < lh) { break } - h -= lh - } - return n + i -} - -function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size} - -function lineNumberFor(options, i) { - return String(options.lineNumberFormatter(i + options.firstLineNumber)) -} - -// A Pos instance represents a position within the text. -function Pos (line, ch) { - if (!(this instanceof Pos)) { return new Pos(line, ch) } - this.line = line; this.ch = ch -} - -// Compare two positions, return 0 if they are the same, a negative -// number when a is less, and a positive number otherwise. -function cmp(a, b) { return a.line - b.line || a.ch - b.ch } - -function copyPos(x) {return Pos(x.line, x.ch)} -function maxPos(a, b) { return cmp(a, b) < 0 ? b : a } -function minPos(a, b) { return cmp(a, b) < 0 ? a : b } - -// Most of the external API clips given positions to make sure they -// actually exist within the document. -function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))} -function clipPos(doc, pos) { - if (pos.line < doc.first) { return Pos(doc.first, 0) } - var last = doc.first + doc.size - 1 - if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) } - return clipToLen(pos, getLine(doc, pos.line).text.length) -} -function clipToLen(pos, linelen) { - var ch = pos.ch - if (ch == null || ch > linelen) { return Pos(pos.line, linelen) } - else if (ch < 0) { return Pos(pos.line, 0) } - else { return pos } -} -function clipPosArray(doc, array) { - var out = [] - for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]) } - return out -} - -// Optimize some code when these features are not used. -var sawReadOnlySpans = false; -var sawCollapsedSpans = false; -function seeReadOnlySpans() { - sawReadOnlySpans = true -} - -function seeCollapsedSpans() { - sawCollapsedSpans = true -} - -// TEXTMARKER SPANS - -function MarkedSpan(marker, from, to) { - this.marker = marker - this.from = from; this.to = to -} - -// Search an array of spans for a span matching the given marker. -function getMarkedSpanFor(spans, marker) { - if (spans) { for (var i = 0; i < spans.length; ++i) { - var span = spans[i] - if (span.marker == marker) { return span } - } } -} -// Remove a span from an array, returning undefined if no spans are -// left (we don't store arrays for lines without spans). -function removeMarkedSpan(spans, span) { - var r - for (var i = 0; i < spans.length; ++i) - { if (spans[i] != span) { (r || (r = [])).push(spans[i]) } } - return r -} -// Add a span to a line. -function addMarkedSpan(line, span) { - line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span] - span.marker.attachLine(line) -} - -// Used for the algorithm that adjusts markers for a change in the -// document. These functions cut an array of spans at a given -// character position, returning an array of remaining chunks (or -// undefined if nothing remains). -function markedSpansBefore(old, startCh, isInsert) { - var nw - if (old) { for (var i = 0; i < old.length; ++i) { - var span = old[i], marker = span.marker - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh) - if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh) - ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)) - } - } } - return nw -} -function markedSpansAfter(old, endCh, isInsert) { - var nw - if (old) { for (var i = 0; i < old.length; ++i) { - var span = old[i], marker = span.marker - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh) - if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh) - ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, - span.to == null ? null : span.to - endCh)) - } - } } - return nw -} - -// Given a change object, compute the new set of marker spans that -// cover the line in which the change took place. Removes spans -// entirely within the change, reconnects spans belonging to the -// same marker that appear on both sides of the change, and cuts off -// spans partially within the change. Returns an array of span -// arrays with one element for each line in (after) the change. -function stretchSpansOverChange(doc, change) { - if (change.full) { return null } - var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans - var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans - if (!oldFirst && !oldLast) { return null } - - var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0 - // Get the spans that 'stick out' on both sides - var first = markedSpansBefore(oldFirst, startCh, isInsert) - var last = markedSpansAfter(oldLast, endCh, isInsert) - - // Next, merge those two ends - var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0) - if (first) { - // Fix up .to properties of first - for (var i = 0; i < first.length; ++i) { - var span = first[i] - if (span.to == null) { - var found = getMarkedSpanFor(last, span.marker) - if (!found) { span.to = startCh } - else if (sameLine) { span.to = found.to == null ? null : found.to + offset } - } - } - } - if (last) { - // Fix up .from in last (or move them into first in case of sameLine) - for (var i$1 = 0; i$1 < last.length; ++i$1) { - var span$1 = last[i$1] - if (span$1.to != null) { span$1.to += offset } - if (span$1.from == null) { - var found$1 = getMarkedSpanFor(first, span$1.marker) - if (!found$1) { - span$1.from = offset - if (sameLine) { (first || (first = [])).push(span$1) } - } - } else { - span$1.from += offset - if (sameLine) { (first || (first = [])).push(span$1) } - } - } - } - // Make sure we didn't create any zero-length spans - if (first) { first = clearEmptySpans(first) } - if (last && last != first) { last = clearEmptySpans(last) } - - var newMarkers = [first] - if (!sameLine) { - // Fill gap with whole-line-spans - var gap = change.text.length - 2, gapMarkers - if (gap > 0 && first) - { for (var i$2 = 0; i$2 < first.length; ++i$2) - { if (first[i$2].to == null) - { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)) } } } - for (var i$3 = 0; i$3 < gap; ++i$3) - { newMarkers.push(gapMarkers) } - newMarkers.push(last) - } - return newMarkers -} - -// Remove spans that are empty and don't have a clearWhenEmpty -// option of false. -function clearEmptySpans(spans) { - for (var i = 0; i < spans.length; ++i) { - var span = spans[i] - if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) - { spans.splice(i--, 1) } - } - if (!spans.length) { return null } - return spans -} - -// Used to 'clip' out readOnly ranges when making a change. -function removeReadOnlyRanges(doc, from, to) { - var markers = null - doc.iter(from.line, to.line + 1, function (line) { - if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { - var mark = line.markedSpans[i].marker - if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) - { (markers || (markers = [])).push(mark) } - } } - }) - if (!markers) { return null } - var parts = [{from: from, to: to}] - for (var i = 0; i < markers.length; ++i) { - var mk = markers[i], m = mk.find(0) - for (var j = 0; j < parts.length; ++j) { - var p = parts[j] - if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue } - var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to) - if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) - { newParts.push({from: p.from, to: m.from}) } - if (dto > 0 || !mk.inclusiveRight && !dto) - { newParts.push({from: m.to, to: p.to}) } - parts.splice.apply(parts, newParts) - j += newParts.length - 1 - } - } - return parts -} - -// Connect or disconnect spans from a line. -function detachMarkedSpans(line) { - var spans = line.markedSpans - if (!spans) { return } - for (var i = 0; i < spans.length; ++i) - { spans[i].marker.detachLine(line) } - line.markedSpans = null -} -function attachMarkedSpans(line, spans) { - if (!spans) { return } - for (var i = 0; i < spans.length; ++i) - { spans[i].marker.attachLine(line) } - line.markedSpans = spans -} - -// Helpers used when computing which overlapping collapsed span -// counts as the larger one. -function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 } -function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 } - -// Returns a number indicating which of two overlapping collapsed -// spans is larger (and thus includes the other). Falls back to -// comparing ids when the spans cover exactly the same range. -function compareCollapsedMarkers(a, b) { - var lenDiff = a.lines.length - b.lines.length - if (lenDiff != 0) { return lenDiff } - var aPos = a.find(), bPos = b.find() - var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b) - if (fromCmp) { return -fromCmp } - var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b) - if (toCmp) { return toCmp } - return b.id - a.id -} - -// Find out whether a line ends or starts in a collapsed span. If -// so, return the marker for that span. -function collapsedSpanAtSide(line, start) { - var sps = sawCollapsedSpans && line.markedSpans, found - if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { - sp = sps[i] - if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && - (!found || compareCollapsedMarkers(found, sp.marker) < 0)) - { found = sp.marker } - } } - return found -} -function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) } -function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) } - -// Test whether there exists a collapsed span that partially -// overlaps (covers the start or end, but not both) of a new span. -// Such overlap is not allowed. -function conflictingCollapsedRange(doc, lineNo, from, to, marker) { - var line = getLine(doc, lineNo) - var sps = sawCollapsedSpans && line.markedSpans - if (sps) { for (var i = 0; i < sps.length; ++i) { - var sp = sps[i] - if (!sp.marker.collapsed) { continue } - var found = sp.marker.find(0) - var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker) - var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker) - if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue } - if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || - fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) - { return true } - } } -} - -// A visual line is a line as drawn on the screen. Folding, for -// example, can cause multiple logical lines to appear on the same -// visual line. This finds the start of the visual line that the -// given line is part of (usually that is the line itself). -function visualLine(line) { - var merged - while (merged = collapsedSpanAtStart(line)) - { line = merged.find(-1, true).line } - return line -} - -// Returns an array of logical lines that continue the visual line -// started by the argument, or undefined if there are no such lines. -function visualLineContinued(line) { - var merged, lines - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line - ;(lines || (lines = [])).push(line) - } - return lines -} - -// Get the line number of the start of the visual line that the -// given line number is part of. -function visualLineNo(doc, lineN) { - var line = getLine(doc, lineN), vis = visualLine(line) - if (line == vis) { return lineN } - return lineNo(vis) -} - -// Get the line number of the start of the next visual line after -// the given line. -function visualLineEndNo(doc, lineN) { - if (lineN > doc.lastLine()) { return lineN } - var line = getLine(doc, lineN), merged - if (!lineIsHidden(doc, line)) { return lineN } - while (merged = collapsedSpanAtEnd(line)) - { line = merged.find(1, true).line } - return lineNo(line) + 1 -} - -// Compute whether a line is hidden. Lines count as hidden when they -// are part of a visual line that starts with another line, or when -// they are entirely covered by collapsed, non-widget span. -function lineIsHidden(doc, line) { - var sps = sawCollapsedSpans && line.markedSpans - if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { - sp = sps[i] - if (!sp.marker.collapsed) { continue } - if (sp.from == null) { return true } - if (sp.marker.widgetNode) { continue } - if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) - { return true } - } } -} -function lineIsHiddenInner(doc, line, span) { - if (span.to == null) { - var end = span.marker.find(1, true) - return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)) - } - if (span.marker.inclusiveRight && span.to == line.text.length) - { return true } - for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) { - sp = line.markedSpans[i] - if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && - (sp.to == null || sp.to != span.from) && - (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && - lineIsHiddenInner(doc, line, sp)) { return true } - } -} - -// Find the height above the given line. -function heightAtLine(lineObj) { - lineObj = visualLine(lineObj) - - var h = 0, chunk = lineObj.parent - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i] - if (line == lineObj) { break } - else { h += line.height } - } - for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { - for (var i$1 = 0; i$1 < p.children.length; ++i$1) { - var cur = p.children[i$1] - if (cur == chunk) { break } - else { h += cur.height } - } - } - return h -} - -// Compute the character length of a line, taking into account -// collapsed ranges (see markText) that might hide parts, and join -// other lines onto it. -function lineLength(line) { - if (line.height == 0) { return 0 } - var len = line.text.length, merged, cur = line - while (merged = collapsedSpanAtStart(cur)) { - var found = merged.find(0, true) - cur = found.from.line - len += found.from.ch - found.to.ch - } - cur = line - while (merged = collapsedSpanAtEnd(cur)) { - var found$1 = merged.find(0, true) - len -= cur.text.length - found$1.from.ch - cur = found$1.to.line - len += cur.text.length - found$1.to.ch - } - return len -} - -// Find the longest line in the document. -function findMaxLine(cm) { - var d = cm.display, doc = cm.doc - d.maxLine = getLine(doc, doc.first) - d.maxLineLength = lineLength(d.maxLine) - d.maxLineChanged = true - doc.iter(function (line) { - var len = lineLength(line) - if (len > d.maxLineLength) { - d.maxLineLength = len - d.maxLine = line - } - }) -} - -// BIDI HELPERS - -function iterateBidiSections(order, from, to, f) { - if (!order) { return f(from, to, "ltr") } - var found = false - for (var i = 0; i < order.length; ++i) { - var part = order[i] - if (part.from < to && part.to > from || from == to && part.to == from) { - f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr") - found = true - } - } - if (!found) { f(from, to, "ltr") } -} - -function bidiLeft(part) { return part.level % 2 ? part.to : part.from } -function bidiRight(part) { return part.level % 2 ? part.from : part.to } - -function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0 } -function lineRight(line) { - var order = getOrder(line) - if (!order) { return line.text.length } - return bidiRight(lst(order)) -} - -function compareBidiLevel(order, a, b) { - var linedir = order[0].level - if (a == linedir) { return true } - if (b == linedir) { return false } - return a < b -} - -var bidiOther = null -function getBidiPartAt(order, pos) { - var found - bidiOther = null - for (var i = 0; i < order.length; ++i) { - var cur = order[i] - if (cur.from < pos && cur.to > pos) { return i } - if ((cur.from == pos || cur.to == pos)) { - if (found == null) { - found = i - } else if (compareBidiLevel(order, cur.level, order[found].level)) { - if (cur.from != cur.to) { bidiOther = found } - return i - } else { - if (cur.from != cur.to) { bidiOther = i } - return found - } - } - } - return found -} - -function moveInLine(line, pos, dir, byUnit) { - if (!byUnit) { return pos + dir } - do { pos += dir } - while (pos > 0 && isExtendingChar(line.text.charAt(pos))) - return pos -} - -// This is needed in order to move 'visually' through bi-directional -// text -- i.e., pressing left should make the cursor go left, even -// when in RTL text. The tricky part is the 'jumps', where RTL and -// LTR text touch each other. This often requires the cursor offset -// to move more than one unit, in order to visually move one unit. -function moveVisually(line, start, dir, byUnit) { - var bidi = getOrder(line) - if (!bidi) { return moveLogically(line, start, dir, byUnit) } - var pos = getBidiPartAt(bidi, start), part = bidi[pos] - var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit) - - for (;;) { - if (target > part.from && target < part.to) { return target } - if (target == part.from || target == part.to) { - if (getBidiPartAt(bidi, target) == pos) { return target } - part = bidi[pos += dir] - return (dir > 0) == part.level % 2 ? part.to : part.from - } else { - part = bidi[pos += dir] - if (!part) { return null } - if ((dir > 0) == part.level % 2) - { target = moveInLine(line, part.to, -1, byUnit) } - else - { target = moveInLine(line, part.from, 1, byUnit) } - } - } -} - -function moveLogically(line, start, dir, byUnit) { - var target = start + dir - if (byUnit) { while (target > 0 && isExtendingChar(line.text.charAt(target))) { target += dir } } - return target < 0 || target > line.text.length ? null : target -} - -// Bidirectional ordering algorithm -// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm -// that this (partially) implements. - -// One-char codes used for character types: -// L (L): Left-to-Right -// R (R): Right-to-Left -// r (AL): Right-to-Left Arabic -// 1 (EN): European Number -// + (ES): European Number Separator -// % (ET): European Number Terminator -// n (AN): Arabic Number -// , (CS): Common Number Separator -// m (NSM): Non-Spacing Mark -// b (BN): Boundary Neutral -// s (B): Paragraph Separator -// t (S): Segment Separator -// w (WS): Whitespace -// N (ON): Other Neutrals - -// Returns null if characters are ordered as they appear -// (left-to-right), or an array of sections ({from, to, level} -// objects) in the order in which they occur visually. -var bidiOrdering = (function() { - // Character types for codepoints 0 to 0xff - var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN" - // Character types for codepoints 0x600 to 0x6f9 - var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111" - function charType(code) { - if (code <= 0xf7) { return lowTypes.charAt(code) } - else if (0x590 <= code && code <= 0x5f4) { return "R" } - else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) } - else if (0x6ee <= code && code <= 0x8ac) { return "r" } - else if (0x2000 <= code && code <= 0x200b) { return "w" } - else if (code == 0x200c) { return "b" } - else { return "L" } - } - - var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/ - var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/ - // Browsers seem to always treat the boundaries of block elements as being L. - var outerType = "L" - - function BidiSpan(level, from, to) { - this.level = level - this.from = from; this.to = to - } - - return function(str) { - if (!bidiRE.test(str)) { return false } - var len = str.length, types = [] - for (var i = 0; i < len; ++i) - { types.push(charType(str.charCodeAt(i))) } - - // W1. Examine each non-spacing mark (NSM) in the level run, and - // change the type of the NSM to the type of the previous - // character. If the NSM is at the start of the level run, it will - // get the type of sor. - for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) { - var type = types[i$1] - if (type == "m") { types[i$1] = prev } - else { prev = type } - } - - // W2. Search backwards from each instance of a European number - // until the first strong type (R, L, AL, or sor) is found. If an - // AL is found, change the type of the European number to Arabic - // number. - // W3. Change all ALs to R. - for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) { - var type$1 = types[i$2] - if (type$1 == "1" && cur == "r") { types[i$2] = "n" } - else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R" } } - } - - // W4. A single European separator between two European numbers - // changes to a European number. A single common separator between - // two numbers of the same type changes to that type. - for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) { - var type$2 = types[i$3] - if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1" } - else if (type$2 == "," && prev$1 == types[i$3+1] && - (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1 } - prev$1 = type$2 - } - - // W5. A sequence of European terminators adjacent to European - // numbers changes to all European numbers. - // W6. Otherwise, separators and terminators change to Other - // Neutral. - for (var i$4 = 0; i$4 < len; ++i$4) { - var type$3 = types[i$4] - if (type$3 == ",") { types[i$4] = "N" } - else if (type$3 == "%") { - var end = (void 0) - for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {} - var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N" - for (var j = i$4; j < end; ++j) { types[j] = replace } - i$4 = end - 1 - } - } - - // W7. Search backwards from each instance of a European number - // until the first strong type (R, L, or sor) is found. If an L is - // found, then change the type of the European number to L. - for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) { - var type$4 = types[i$5] - if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L" } - else if (isStrong.test(type$4)) { cur$1 = type$4 } - } - - // N1. A sequence of neutrals takes the direction of the - // surrounding strong text if the text on both sides has the same - // direction. European and Arabic numbers act as if they were R in - // terms of their influence on neutrals. Start-of-level-run (sor) - // and end-of-level-run (eor) are used at level run boundaries. - // N2. Any remaining neutrals take the embedding direction. - for (var i$6 = 0; i$6 < len; ++i$6) { - if (isNeutral.test(types[i$6])) { - var end$1 = (void 0) - for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {} - var before = (i$6 ? types[i$6-1] : outerType) == "L" - var after = (end$1 < len ? types[end$1] : outerType) == "L" - var replace$1 = before || after ? "L" : "R" - for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1 } - i$6 = end$1 - 1 - } - } - - // Here we depart from the documented algorithm, in order to avoid - // building up an actual levels array. Since there are only three - // levels (0, 1, 2) in an implementation that doesn't take - // explicit embedding into account, we can build up the order on - // the fly, without following the level-based algorithm. - var order = [], m - for (var i$7 = 0; i$7 < len;) { - if (countsAsLeft.test(types[i$7])) { - var start = i$7 - for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {} - order.push(new BidiSpan(0, start, i$7)) - } else { - var pos = i$7, at = order.length - for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {} - for (var j$2 = pos; j$2 < i$7;) { - if (countsAsNum.test(types[j$2])) { - if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)) } - var nstart = j$2 - for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {} - order.splice(at, 0, new BidiSpan(2, nstart, j$2)) - pos = j$2 - } else { ++j$2 } - } - if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)) } - } - } - if (order[0].level == 1 && (m = str.match(/^\s+/))) { - order[0].from = m[0].length - order.unshift(new BidiSpan(0, 0, m[0].length)) - } - if (lst(order).level == 1 && (m = str.match(/\s+$/))) { - lst(order).to -= m[0].length - order.push(new BidiSpan(0, len - m[0].length, len)) - } - if (order[0].level == 2) - { order.unshift(new BidiSpan(1, order[0].to, order[0].to)) } - if (order[0].level != lst(order).level) - { order.push(new BidiSpan(order[0].level, len, len)) } - - return order - } -})() - -// Get the bidi ordering for the given line (and cache it). Returns -// false for lines that are fully left-to-right, and an array of -// BidiSpan objects otherwise. -function getOrder(line) { - var order = line.order - if (order == null) { order = line.order = bidiOrdering(line.text) } - return order -} - -// EVENT HANDLING - -// Lightweight event framework. on/off also work on DOM nodes, -// registering native DOM handlers. - -var noHandlers = [] - -var on = function(emitter, type, f) { - if (emitter.addEventListener) { - emitter.addEventListener(type, f, false) - } else if (emitter.attachEvent) { - emitter.attachEvent("on" + type, f) - } else { - var map = emitter._handlers || (emitter._handlers = {}) - map[type] = (map[type] || noHandlers).concat(f) - } -} - -function getHandlers(emitter, type) { - return emitter._handlers && emitter._handlers[type] || noHandlers -} - -function off(emitter, type, f) { - if (emitter.removeEventListener) { - emitter.removeEventListener(type, f, false) - } else if (emitter.detachEvent) { - emitter.detachEvent("on" + type, f) - } else { - var map = emitter._handlers, arr = map && map[type] - if (arr) { - var index = indexOf(arr, f) - if (index > -1) - { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)) } - } - } -} - -function signal(emitter, type /*, values...*/) { - var handlers = getHandlers(emitter, type) - if (!handlers.length) { return } - var args = Array.prototype.slice.call(arguments, 2) - for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args) } -} - -// The DOM events that CodeMirror handles can be overridden by -// registering a (non-DOM) handler on the editor for the event name, -// and preventDefault-ing the event in that handler. -function signalDOMEvent(cm, e, override) { - if (typeof e == "string") - { e = {type: e, preventDefault: function() { this.defaultPrevented = true }} } - signal(cm, override || e.type, cm, e) - return e_defaultPrevented(e) || e.codemirrorIgnore -} - -function signalCursorActivity(cm) { - var arr = cm._handlers && cm._handlers.cursorActivity - if (!arr) { return } - var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []) - for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1) - { set.push(arr[i]) } } -} - -function hasHandler(emitter, type) { - return getHandlers(emitter, type).length > 0 -} - -// Add on and off methods to a constructor's prototype, to make -// registering events on such objects more convenient. -function eventMixin(ctor) { - ctor.prototype.on = function(type, f) {on(this, type, f)} - ctor.prototype.off = function(type, f) {off(this, type, f)} -} - -// Due to the fact that we still support jurassic IE versions, some -// compatibility wrappers are needed. - -function e_preventDefault(e) { - if (e.preventDefault) { e.preventDefault() } - else { e.returnValue = false } -} -function e_stopPropagation(e) { - if (e.stopPropagation) { e.stopPropagation() } - else { e.cancelBubble = true } -} -function e_defaultPrevented(e) { - return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false -} -function e_stop(e) {e_preventDefault(e); e_stopPropagation(e)} - -function e_target(e) {return e.target || e.srcElement} -function e_button(e) { - var b = e.which - if (b == null) { - if (e.button & 1) { b = 1 } - else if (e.button & 2) { b = 3 } - else if (e.button & 4) { b = 2 } - } - if (mac && e.ctrlKey && b == 1) { b = 3 } - return b -} - -// Detect drag-and-drop -var dragAndDrop = function() { - // There is *some* kind of drag-and-drop support in IE6-8, but I - // couldn't get it to work yet. - if (ie && ie_version < 9) { return false } - var div = elt('div') - return "draggable" in div || "dragDrop" in div -}() - -var zwspSupported -function zeroWidthElement(measure) { - if (zwspSupported == null) { - var test = elt("span", "\u200b") - removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])) - if (measure.firstChild.offsetHeight != 0) - { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8) } - } - var node = zwspSupported ? elt("span", "\u200b") : - elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px") - node.setAttribute("cm-text", "") - return node -} - -// Feature-detect IE's crummy client rect reporting for bidi text -var badBidiRects -function hasBadBidiRects(measure) { - if (badBidiRects != null) { return badBidiRects } - var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")) - var r0 = range(txt, 0, 1).getBoundingClientRect() - var r1 = range(txt, 1, 2).getBoundingClientRect() - removeChildren(measure) - if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780) - return badBidiRects = (r1.right - r0.right < 3) -} - -// See if "".split is the broken IE version, if so, provide an -// alternative way to split lines. -var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) { - var pos = 0, result = [], l = string.length - while (pos <= l) { - var nl = string.indexOf("\n", pos) - if (nl == -1) { nl = string.length } - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl) - var rt = line.indexOf("\r") - if (rt != -1) { - result.push(line.slice(0, rt)) - pos += rt + 1 - } else { - result.push(line) - pos = nl + 1 - } - } - return result -} : function (string) { return string.split(/\r\n?|\n/); } - -var hasSelection = window.getSelection ? function (te) { - try { return te.selectionStart != te.selectionEnd } - catch(e) { return false } -} : function (te) { - var range - try {range = te.ownerDocument.selection.createRange()} - catch(e) {} - if (!range || range.parentElement() != te) { return false } - return range.compareEndPoints("StartToEnd", range) != 0 -} - -var hasCopyEvent = (function () { - var e = elt("div") - if ("oncopy" in e) { return true } - e.setAttribute("oncopy", "return;") - return typeof e.oncopy == "function" -})() - -var badZoomedRects = null -function hasBadZoomedRects(measure) { - if (badZoomedRects != null) { return badZoomedRects } - var node = removeChildrenAndAdd(measure, elt("span", "x")) - var normal = node.getBoundingClientRect() - var fromRange = range(node, 0, 1).getBoundingClientRect() - return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1 -} - -var modes = {}; -var mimeModes = {}; -// Extra arguments are stored as the mode's dependencies, which is -// used by (legacy) mechanisms like loadmode.js to automatically -// load a mode. (Preferred mechanism is the require/define calls.) -function defineMode(name, mode) { - if (arguments.length > 2) - { mode.dependencies = Array.prototype.slice.call(arguments, 2) } - modes[name] = mode -} - -function defineMIME(mime, spec) { - mimeModes[mime] = spec -} - -// Given a MIME type, a {name, ...options} config object, or a name -// string, return a mode config object. -function resolveMode(spec) { - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { - spec = mimeModes[spec] - } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { - var found = mimeModes[spec.name] - if (typeof found == "string") { found = {name: found} } - spec = createObj(found, spec) - spec.name = found.name - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { - return resolveMode("application/xml") - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) { - return resolveMode("application/json") - } - if (typeof spec == "string") { return {name: spec} } - else { return spec || {name: "null"} } -} - -// Given a mode spec (anything that resolveMode accepts), find and -// initialize an actual mode object. -function getMode(options, spec) { - spec = resolveMode(spec) - var mfactory = modes[spec.name] - if (!mfactory) { return getMode(options, "text/plain") } - var modeObj = mfactory(options, spec) - if (modeExtensions.hasOwnProperty(spec.name)) { - var exts = modeExtensions[spec.name] - for (var prop in exts) { - if (!exts.hasOwnProperty(prop)) { continue } - if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop] } - modeObj[prop] = exts[prop] - } - } - modeObj.name = spec.name - if (spec.helperType) { modeObj.helperType = spec.helperType } - if (spec.modeProps) { for (var prop$1 in spec.modeProps) - { modeObj[prop$1] = spec.modeProps[prop$1] } } - - return modeObj -} - -// This can be used to attach properties to mode objects from -// outside the actual mode definition. -var modeExtensions = {} -function extendMode(mode, properties) { - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}) - copyObj(properties, exts) -} - -function copyState(mode, state) { - if (state === true) { return state } - if (mode.copyState) { return mode.copyState(state) } - var nstate = {} - for (var n in state) { - var val = state[n] - if (val instanceof Array) { val = val.concat([]) } - nstate[n] = val - } - return nstate -} - -// Given a mode and a state (for that mode), find the inner mode and -// state at the position that the state refers to. -function innerMode(mode, state) { - var info - while (mode.innerMode) { - info = mode.innerMode(state) - if (!info || info.mode == mode) { break } - state = info.state - mode = info.mode - } - return info || {mode: mode, state: state} -} - -function startState(mode, a1, a2) { - return mode.startState ? mode.startState(a1, a2) : true -} - -// STRING STREAM - -// Fed to the mode parsers, provides helper functions to make -// parsers more succinct. - -var StringStream = function(string, tabSize) { - this.pos = this.start = 0 - this.string = string - this.tabSize = tabSize || 8 - this.lastColumnPos = this.lastColumnValue = 0 - this.lineStart = 0 -} - -StringStream.prototype = { - eol: function() {return this.pos >= this.string.length}, - sol: function() {return this.pos == this.lineStart}, - peek: function() {return this.string.charAt(this.pos) || undefined}, - next: function() { - if (this.pos < this.string.length) - { return this.string.charAt(this.pos++) } - }, - eat: function(match) { - var ch = this.string.charAt(this.pos) - var ok - if (typeof match == "string") { ok = ch == match } - else { ok = ch && (match.test ? match.test(ch) : match(ch)) } - if (ok) {++this.pos; return ch} - }, - eatWhile: function(match) { - var start = this.pos - while (this.eat(match)){} - return this.pos > start - }, - eatSpace: function() { - var this$1 = this; - - var start = this.pos - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos } - return this.pos > start - }, - skipToEnd: function() {this.pos = this.string.length}, - skipTo: function(ch) { - var found = this.string.indexOf(ch, this.pos) - if (found > -1) {this.pos = found; return true} - }, - backUp: function(n) {this.pos -= n}, - column: function() { - if (this.lastColumnPos < this.start) { - this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue) - this.lastColumnPos = this.start - } - return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) - }, - indentation: function() { - return countColumn(this.string, null, this.tabSize) - - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) - }, - match: function(pattern, consume, caseInsensitive) { - if (typeof pattern == "string") { - var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; } - var substr = this.string.substr(this.pos, pattern.length) - if (cased(substr) == cased(pattern)) { - if (consume !== false) { this.pos += pattern.length } - return true - } - } else { - var match = this.string.slice(this.pos).match(pattern) - if (match && match.index > 0) { return null } - if (match && consume !== false) { this.pos += match[0].length } - return match - } - }, - current: function(){return this.string.slice(this.start, this.pos)}, - hideFirstChars: function(n, inner) { - this.lineStart += n - try { return inner() } - finally { this.lineStart -= n } - } -} - -// Compute a style array (an array starting with a mode generation -// -- for invalidation -- followed by pairs of end positions and -// style strings), which is used to highlight the tokens on the -// line. -function highlightLine(cm, line, state, forceToEnd) { - // A styles array always starts with a number identifying the - // mode/overlays that it is based on (for easy invalidation). - var st = [cm.state.modeGen], lineClasses = {} - // Compute the base array of styles - runMode(cm, line.text, cm.doc.mode, state, function (end, style) { return st.push(end, style); }, - lineClasses, forceToEnd) - - // Run overlays, adjust style array. - var loop = function ( o ) { - var overlay = cm.state.overlays[o], i = 1, at = 0 - runMode(cm, line.text, overlay.mode, true, function (end, style) { - var start = i - // Ensure there's a token end at the current position, and that i points at it - while (at < end) { - var i_end = st[i] - if (i_end > end) - { st.splice(i, 1, end, st[i+1], i_end) } - i += 2 - at = Math.min(end, i_end) - } - if (!style) { return } - if (overlay.opaque) { - st.splice(start, i - start, end, "overlay " + style) - i = start + 2 - } else { - for (; start < i; start += 2) { - var cur = st[start+1] - st[start+1] = (cur ? cur + " " : "") + "overlay " + style - } - } - }, lineClasses) - }; - - for (var o = 0; o < cm.state.overlays.length; ++o) loop( o ); - - return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null} -} - -function getLineStyles(cm, line, updateFrontier) { - if (!line.styles || line.styles[0] != cm.state.modeGen) { - var state = getStateBefore(cm, lineNo(line)) - var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state) - line.stateAfter = state - line.styles = result.styles - if (result.classes) { line.styleClasses = result.classes } - else if (line.styleClasses) { line.styleClasses = null } - if (updateFrontier === cm.doc.frontier) { cm.doc.frontier++ } - } - return line.styles -} - -function getStateBefore(cm, n, precise) { - var doc = cm.doc, display = cm.display - if (!doc.mode.startState) { return true } - var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter - if (!state) { state = startState(doc.mode) } - else { state = copyState(doc.mode, state) } - doc.iter(pos, n, function (line) { - processLine(cm, line.text, state) - var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo - line.stateAfter = save ? copyState(doc.mode, state) : null - ++pos - }) - if (precise) { doc.frontier = pos } - return state -} - -// Lightweight form of highlight -- proceed over this line and -// update state, but don't save a style array. Used for lines that -// aren't currently visible. -function processLine(cm, text, state, startAt) { - var mode = cm.doc.mode - var stream = new StringStream(text, cm.options.tabSize) - stream.start = stream.pos = startAt || 0 - if (text == "") { callBlankLine(mode, state) } - while (!stream.eol()) { - readToken(mode, stream, state) - stream.start = stream.pos - } -} - -function callBlankLine(mode, state) { - if (mode.blankLine) { return mode.blankLine(state) } - if (!mode.innerMode) { return } - var inner = innerMode(mode, state) - if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) } -} - -function readToken(mode, stream, state, inner) { - for (var i = 0; i < 10; i++) { - if (inner) { inner[0] = innerMode(mode, state).mode } - var style = mode.token(stream, state) - if (stream.pos > stream.start) { return style } - } - throw new Error("Mode " + mode.name + " failed to advance stream.") -} - -// Utility for getTokenAt and getLineTokens -function takeToken(cm, pos, precise, asArray) { - var getObj = function (copy) { return ({ - start: stream.start, end: stream.pos, - string: stream.current(), - type: style || null, - state: copy ? copyState(doc.mode, state) : state - }); } - - var doc = cm.doc, mode = doc.mode, style - pos = clipPos(doc, pos) - var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise) - var stream = new StringStream(line.text, cm.options.tabSize), tokens - if (asArray) { tokens = [] } - while ((asArray || stream.pos < pos.ch) && !stream.eol()) { - stream.start = stream.pos - style = readToken(mode, stream, state) - if (asArray) { tokens.push(getObj(true)) } - } - return asArray ? tokens : getObj() -} - -function extractLineClasses(type, output) { - if (type) { for (;;) { - var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/) - if (!lineClass) { break } - type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length) - var prop = lineClass[1] ? "bgClass" : "textClass" - if (output[prop] == null) - { output[prop] = lineClass[2] } - else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) - { output[prop] += " " + lineClass[2] } - } } - return type -} - -// Run the given mode's parser over a line, calling f for each token. -function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { - var flattenSpans = mode.flattenSpans - if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans } - var curStart = 0, curStyle = null - var stream = new StringStream(text, cm.options.tabSize), style - var inner = cm.options.addModeClass && [null] - if (text == "") { extractLineClasses(callBlankLine(mode, state), lineClasses) } - while (!stream.eol()) { - if (stream.pos > cm.options.maxHighlightLength) { - flattenSpans = false - if (forceToEnd) { processLine(cm, text, state, stream.pos) } - stream.pos = text.length - style = null - } else { - style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses) - } - if (inner) { - var mName = inner[0].name - if (mName) { style = "m-" + (style ? mName + " " + style : mName) } - } - if (!flattenSpans || curStyle != style) { - while (curStart < stream.start) { - curStart = Math.min(stream.start, curStart + 5000) - f(curStart, curStyle) - } - curStyle = style - } - stream.start = stream.pos - } - while (curStart < stream.pos) { - // Webkit seems to refuse to render text nodes longer than 57444 - // characters, and returns inaccurate measurements in nodes - // starting around 5000 chars. - var pos = Math.min(stream.pos, curStart + 5000) - f(pos, curStyle) - curStart = pos - } -} - -// Finds the line to start with when starting a parse. Tries to -// find a line with a stateAfter, so that it can start with a -// valid state. If that fails, it returns the line with the -// smallest indentation, which tends to need the least context to -// parse correctly. -function findStartLine(cm, n, precise) { - var minindent, minline, doc = cm.doc - var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100) - for (var search = n; search > lim; --search) { - if (search <= doc.first) { return doc.first } - var line = getLine(doc, search - 1) - if (line.stateAfter && (!precise || search <= doc.frontier)) { return search } - var indented = countColumn(line.text, null, cm.options.tabSize) - if (minline == null || minindent > indented) { - minline = search - 1 - minindent = indented - } - } - return minline -} - -// LINE DATA STRUCTURE - -// Line objects. These hold state related to a line, including -// highlighting info (the styles array). -function Line(text, markedSpans, estimateHeight) { - this.text = text - attachMarkedSpans(this, markedSpans) - this.height = estimateHeight ? estimateHeight(this) : 1 -} -eventMixin(Line) -Line.prototype.lineNo = function() { return lineNo(this) } - -// Change the content (text, markers) of a line. Automatically -// invalidates cached information and tries to re-estimate the -// line's height. -function updateLine(line, text, markedSpans, estimateHeight) { - line.text = text - if (line.stateAfter) { line.stateAfter = null } - if (line.styles) { line.styles = null } - if (line.order != null) { line.order = null } - detachMarkedSpans(line) - attachMarkedSpans(line, markedSpans) - var estHeight = estimateHeight ? estimateHeight(line) : 1 - if (estHeight != line.height) { updateLineHeight(line, estHeight) } -} - -// Detach a line from the document tree and its markers. -function cleanUpLine(line) { - line.parent = null - detachMarkedSpans(line) -} - -// Convert a style as returned by a mode (either null, or a string -// containing one or more styles) to a CSS style. This is cached, -// and also looks for line-wide styles. -var styleToClassCache = {}; -var styleToClassCacheWithMode = {}; -function interpretTokenStyle(style, options) { - if (!style || /^\s*$/.test(style)) { return null } - var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache - return cache[style] || - (cache[style] = style.replace(/\S+/g, "cm-$&")) -} - -// Render the DOM representation of the text of a line. Also builds -// up a 'line map', which points at the DOM nodes that represent -// specific stretches of text, and is used by the measuring code. -// The returned object contains the DOM node, this map, and -// information about line-wide styles that were set by the mode. -function buildLineContent(cm, lineView) { - // The padding-right forces the element to have a 'border', which - // is needed on Webkit to be able to get line-level bounding - // rectangles for it (in measureChar). - var content = elt("span", null, null, webkit ? "padding-right: .1px" : null) - var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, - col: 0, pos: 0, cm: cm, - trailingSpace: false, - splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")} - // hide from accessibility tree - content.setAttribute("role", "presentation") - builder.pre.setAttribute("role", "presentation") - lineView.measure = {} - - // Iterate over the logical lines that make up this visual line. - for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { - var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0) - builder.pos = 0 - builder.addToken = buildToken - // Optionally wire in some hacks into the token-rendering - // algorithm, to deal with browser quirks. - if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) - { builder.addToken = buildTokenBadBidi(builder.addToken, order) } - builder.map = [] - var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line) - insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)) - if (line.styleClasses) { - if (line.styleClasses.bgClass) - { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "") } - if (line.styleClasses.textClass) - { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "") } - } - - // Ensure at least a single node is present, for measuring. - if (builder.map.length == 0) - { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))) } - - // Store the map and a cache object for the current logical line - if (i == 0) { - lineView.measure.map = builder.map - lineView.measure.cache = {} - } else { - ;(lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map) - ;(lineView.measure.caches || (lineView.measure.caches = [])).push({}) - } - } - - // See issue #2901 - if (webkit) { - var last = builder.content.lastChild - if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) - { builder.content.className = "cm-tab-wrap-hack" } - } - - signal(cm, "renderLine", cm, lineView.line, builder.pre) - if (builder.pre.className) - { builder.textClass = joinClasses(builder.pre.className, builder.textClass || "") } - - return builder -} - -function defaultSpecialCharPlaceholder(ch) { - var token = elt("span", "\u2022", "cm-invalidchar") - token.title = "\\u" + ch.charCodeAt(0).toString(16) - token.setAttribute("aria-label", token.title) - return token -} - -// Build up the DOM representation for a single token, and add it to -// the line map. Takes care to render special characters separately. -function buildToken(builder, text, style, startStyle, endStyle, title, css) { - if (!text) { return } - var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text - var special = builder.cm.state.specialChars, mustWrap = false - var content - if (!special.test(text)) { - builder.col += text.length - content = document.createTextNode(displayText) - builder.map.push(builder.pos, builder.pos + text.length, content) - if (ie && ie_version < 9) { mustWrap = true } - builder.pos += text.length - } else { - content = document.createDocumentFragment() - var pos = 0 - while (true) { - special.lastIndex = pos - var m = special.exec(text) - var skipped = m ? m.index - pos : text.length - pos - if (skipped) { - var txt = document.createTextNode(displayText.slice(pos, pos + skipped)) - if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])) } - else { content.appendChild(txt) } - builder.map.push(builder.pos, builder.pos + skipped, txt) - builder.col += skipped - builder.pos += skipped - } - if (!m) { break } - pos += skipped + 1 - var txt$1 = (void 0) - if (m[0] == "\t") { - var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize - txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")) - txt$1.setAttribute("role", "presentation") - txt$1.setAttribute("cm-text", "\t") - builder.col += tabWidth - } else if (m[0] == "\r" || m[0] == "\n") { - txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")) - txt$1.setAttribute("cm-text", m[0]) - builder.col += 1 - } else { - txt$1 = builder.cm.options.specialCharPlaceholder(m[0]) - txt$1.setAttribute("cm-text", m[0]) - if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])) } - else { content.appendChild(txt$1) } - builder.col += 1 - } - builder.map.push(builder.pos, builder.pos + 1, txt$1) - builder.pos++ - } - } - builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32 - if (style || startStyle || endStyle || mustWrap || css) { - var fullStyle = style || "" - if (startStyle) { fullStyle += startStyle } - if (endStyle) { fullStyle += endStyle } - var token = elt("span", [content], fullStyle, css) - if (title) { token.title = title } - return builder.content.appendChild(token) - } - builder.content.appendChild(content) -} - -function splitSpaces(text, trailingBefore) { - if (text.length > 1 && !/ /.test(text)) { return text } - var spaceBefore = trailingBefore, result = "" - for (var i = 0; i < text.length; i++) { - var ch = text.charAt(i) - if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) - { ch = "\u00a0" } - result += ch - spaceBefore = ch == " " - } - return result -} - -// Work around nonsense dimensions being reported for stretches of -// right-to-left text. -function buildTokenBadBidi(inner, order) { - return function (builder, text, style, startStyle, endStyle, title, css) { - style = style ? style + " cm-force-border" : "cm-force-border" - var start = builder.pos, end = start + text.length - for (;;) { - // Find the part that overlaps with the start of this text - var part = (void 0) - for (var i = 0; i < order.length; i++) { - part = order[i] - if (part.to > start && part.from <= start) { break } - } - if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) } - inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css) - startStyle = null - text = text.slice(part.to - start) - start = part.to - } - } -} - -function buildCollapsedSpan(builder, size, marker, ignoreWidget) { - var widget = !ignoreWidget && marker.widgetNode - if (widget) { builder.map.push(builder.pos, builder.pos + size, widget) } - if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { - if (!widget) - { widget = builder.content.appendChild(document.createElement("span")) } - widget.setAttribute("cm-marker", marker.id) - } - if (widget) { - builder.cm.display.input.setUneditable(widget) - builder.content.appendChild(widget) - } - builder.pos += size - builder.trailingSpace = false -} - -// Outputs a number of spans to make up a line, taking highlighting -// and marked text into account. -function insertLineContent(line, builder, styles) { - var spans = line.markedSpans, allText = line.text, at = 0 - if (!spans) { - for (var i$1 = 1; i$1 < styles.length; i$1+=2) - { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)) } - return - } - - var len = allText.length, pos = 0, i = 1, text = "", style, css - var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed - for (;;) { - if (nextChange == pos) { // Update current marker set - spanStyle = spanEndStyle = spanStartStyle = title = css = "" - collapsed = null; nextChange = Infinity - var foundBookmarks = [], endStyles = (void 0) - for (var j = 0; j < spans.length; ++j) { - var sp = spans[j], m = sp.marker - if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { - foundBookmarks.push(m) - } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { - if (sp.to != null && sp.to != pos && nextChange > sp.to) { - nextChange = sp.to - spanEndStyle = "" - } - if (m.className) { spanStyle += " " + m.className } - if (m.css) { css = (css ? css + ";" : "") + m.css } - if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle } - if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to) } - if (m.title && !title) { title = m.title } - if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) - { collapsed = sp } - } else if (sp.from > pos && nextChange > sp.from) { - nextChange = sp.from - } - } - if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2) - { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1] } } } - - if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2) - { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]) } } - if (collapsed && (collapsed.from || 0) == pos) { - buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, - collapsed.marker, collapsed.from == null) - if (collapsed.to == null) { return } - if (collapsed.to == pos) { collapsed = false } - } - } - if (pos >= len) { break } - - var upto = Math.min(len, nextChange) - while (true) { - if (text) { - var end = pos + text.length - if (!collapsed) { - var tokenText = end > upto ? text.slice(0, upto - pos) : text - builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css) - } - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break} - pos = end - spanStartStyle = "" - } - text = allText.slice(at, at = styles[i++]) - style = interpretTokenStyle(styles[i++], builder.cm.options) - } - } -} - - -// These objects are used to represent the visible (currently drawn) -// part of the document. A LineView may correspond to multiple -// logical lines, if those are connected by collapsed ranges. -function LineView(doc, line, lineN) { - // The starting line - this.line = line - // Continuing lines, if any - this.rest = visualLineContinued(line) - // Number of logical lines in this visual line - this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1 - this.node = this.text = null - this.hidden = lineIsHidden(doc, line) -} - -// Create a range of LineView objects for the given lines. -function buildViewArray(cm, from, to) { - var array = [], nextPos - for (var pos = from; pos < to; pos = nextPos) { - var view = new LineView(cm.doc, getLine(cm.doc, pos), pos) - nextPos = pos + view.size - array.push(view) - } - return array -} - -var operationGroup = null - -function pushOperation(op) { - if (operationGroup) { - operationGroup.ops.push(op) - } else { - op.ownsGroup = operationGroup = { - ops: [op], - delayedCallbacks: [] - } - } -} - -function fireCallbacksForOps(group) { - // Calls delayed callbacks and cursorActivity handlers until no - // new ones appear - var callbacks = group.delayedCallbacks, i = 0 - do { - for (; i < callbacks.length; i++) - { callbacks[i].call(null) } - for (var j = 0; j < group.ops.length; j++) { - var op = group.ops[j] - if (op.cursorActivityHandlers) - { while (op.cursorActivityCalled < op.cursorActivityHandlers.length) - { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm) } } - } - } while (i < callbacks.length) -} - -function finishOperation(op, endCb) { - var group = op.ownsGroup - if (!group) { return } - - try { fireCallbacksForOps(group) } - finally { - operationGroup = null - endCb(group) - } -} - -var orphanDelayedCallbacks = null - -// Often, we want to signal events at a point where we are in the -// middle of some work, but don't want the handler to start calling -// other methods on the editor, which might be in an inconsistent -// state or simply not expect any other events to happen. -// signalLater looks whether there are any handlers, and schedules -// them to be executed when the last operation ends, or, if no -// operation is active, when a timeout fires. -function signalLater(emitter, type /*, values...*/) { - var arr = getHandlers(emitter, type) - if (!arr.length) { return } - var args = Array.prototype.slice.call(arguments, 2), list - if (operationGroup) { - list = operationGroup.delayedCallbacks - } else if (orphanDelayedCallbacks) { - list = orphanDelayedCallbacks - } else { - list = orphanDelayedCallbacks = [] - setTimeout(fireOrphanDelayed, 0) - } - var loop = function ( i ) { - list.push(function () { return arr[i].apply(null, args); }) - }; - - for (var i = 0; i < arr.length; ++i) - loop( i ); -} - -function fireOrphanDelayed() { - var delayed = orphanDelayedCallbacks - orphanDelayedCallbacks = null - for (var i = 0; i < delayed.length; ++i) { delayed[i]() } -} - -// When an aspect of a line changes, a string is added to -// lineView.changes. This updates the relevant part of the line's -// DOM structure. -function updateLineForChanges(cm, lineView, lineN, dims) { - for (var j = 0; j < lineView.changes.length; j++) { - var type = lineView.changes[j] - if (type == "text") { updateLineText(cm, lineView) } - else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims) } - else if (type == "class") { updateLineClasses(lineView) } - else if (type == "widget") { updateLineWidgets(cm, lineView, dims) } - } - lineView.changes = null -} - -// Lines with gutter elements, widgets or a background class need to -// be wrapped, and have the extra elements added to the wrapper div -function ensureLineWrapped(lineView) { - if (lineView.node == lineView.text) { - lineView.node = elt("div", null, null, "position: relative") - if (lineView.text.parentNode) - { lineView.text.parentNode.replaceChild(lineView.node, lineView.text) } - lineView.node.appendChild(lineView.text) - if (ie && ie_version < 8) { lineView.node.style.zIndex = 2 } - } - return lineView.node -} - -function updateLineBackground(lineView) { - var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass - if (cls) { cls += " CodeMirror-linebackground" } - if (lineView.background) { - if (cls) { lineView.background.className = cls } - else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null } - } else if (cls) { - var wrap = ensureLineWrapped(lineView) - lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild) - } -} - -// Wrapper around buildLineContent which will reuse the structure -// in display.externalMeasured when possible. -function getLineContent(cm, lineView) { - var ext = cm.display.externalMeasured - if (ext && ext.line == lineView.line) { - cm.display.externalMeasured = null - lineView.measure = ext.measure - return ext.built - } - return buildLineContent(cm, lineView) -} - -// Redraw the line's text. Interacts with the background and text -// classes because the mode may output tokens that influence these -// classes. -function updateLineText(cm, lineView) { - var cls = lineView.text.className - var built = getLineContent(cm, lineView) - if (lineView.text == lineView.node) { lineView.node = built.pre } - lineView.text.parentNode.replaceChild(built.pre, lineView.text) - lineView.text = built.pre - if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { - lineView.bgClass = built.bgClass - lineView.textClass = built.textClass - updateLineClasses(lineView) - } else if (cls) { - lineView.text.className = cls - } -} - -function updateLineClasses(lineView) { - updateLineBackground(lineView) - if (lineView.line.wrapClass) - { ensureLineWrapped(lineView).className = lineView.line.wrapClass } - else if (lineView.node != lineView.text) - { lineView.node.className = "" } - var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass - lineView.text.className = textClass || "" -} - -function updateLineGutter(cm, lineView, lineN, dims) { - if (lineView.gutter) { - lineView.node.removeChild(lineView.gutter) - lineView.gutter = null - } - if (lineView.gutterBackground) { - lineView.node.removeChild(lineView.gutterBackground) - lineView.gutterBackground = null - } - if (lineView.line.gutterClass) { - var wrap = ensureLineWrapped(lineView) - lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, - ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px")) - wrap.insertBefore(lineView.gutterBackground, lineView.text) - } - var markers = lineView.line.gutterMarkers - if (cm.options.lineNumbers || markers) { - var wrap$1 = ensureLineWrapped(lineView) - var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px")) - cm.display.input.setUneditable(gutterWrap) - wrap$1.insertBefore(gutterWrap, lineView.text) - if (lineView.line.gutterClass) - { gutterWrap.className += " " + lineView.line.gutterClass } - if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) - { lineView.lineNumber = gutterWrap.appendChild( - elt("div", lineNumberFor(cm.options, lineN), - "CodeMirror-linenumber CodeMirror-gutter-elt", - ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))) } - if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) { - var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id] - if (found) - { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", - ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))) } - } } - } -} - -function updateLineWidgets(cm, lineView, dims) { - if (lineView.alignable) { lineView.alignable = null } - for (var node = lineView.node.firstChild, next = (void 0); node; node = next) { - next = node.nextSibling - if (node.className == "CodeMirror-linewidget") - { lineView.node.removeChild(node) } - } - insertLineWidgets(cm, lineView, dims) -} - -// Build a line's DOM representation from scratch -function buildLineElement(cm, lineView, lineN, dims) { - var built = getLineContent(cm, lineView) - lineView.text = lineView.node = built.pre - if (built.bgClass) { lineView.bgClass = built.bgClass } - if (built.textClass) { lineView.textClass = built.textClass } - - updateLineClasses(lineView) - updateLineGutter(cm, lineView, lineN, dims) - insertLineWidgets(cm, lineView, dims) - return lineView.node -} - -// A lineView may contain multiple logical lines (when merged by -// collapsed spans). The widgets for all of them need to be drawn. -function insertLineWidgets(cm, lineView, dims) { - insertLineWidgetsFor(cm, lineView.line, lineView, dims, true) - if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) - { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false) } } -} - -function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { - if (!line.widgets) { return } - var wrap = ensureLineWrapped(lineView) - for (var i = 0, ws = line.widgets; i < ws.length; ++i) { - var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget") - if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true") } - positionLineWidget(widget, node, lineView, dims) - cm.display.input.setUneditable(node) - if (allowAbove && widget.above) - { wrap.insertBefore(node, lineView.gutter || lineView.text) } - else - { wrap.appendChild(node) } - signalLater(widget, "redraw") - } -} - -function positionLineWidget(widget, node, lineView, dims) { - if (widget.noHScroll) { - ;(lineView.alignable || (lineView.alignable = [])).push(node) - var width = dims.wrapperWidth - node.style.left = dims.fixedPos + "px" - if (!widget.coverGutter) { - width -= dims.gutterTotalWidth - node.style.paddingLeft = dims.gutterTotalWidth + "px" - } - node.style.width = width + "px" - } - if (widget.coverGutter) { - node.style.zIndex = 5 - node.style.position = "relative" - if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px" } - } -} - -function widgetHeight(widget) { - if (widget.height != null) { return widget.height } - var cm = widget.doc.cm - if (!cm) { return 0 } - if (!contains(document.body, widget.node)) { - var parentStyle = "position: relative;" - if (widget.coverGutter) - { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;" } - if (widget.noHScroll) - { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;" } - removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)) - } - return widget.height = widget.node.parentNode.offsetHeight -} - -// Return true when the given mouse event happened in a widget -function eventInWidget(display, e) { - for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { - if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || - (n.parentNode == display.sizer && n != display.mover)) - { return true } - } -} - -// POSITION MEASUREMENT - -function paddingTop(display) {return display.lineSpace.offsetTop} -function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight} -function paddingH(display) { - if (display.cachedPaddingH) { return display.cachedPaddingH } - var e = removeChildrenAndAdd(display.measure, elt("pre", "x")) - var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle - var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)} - if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data } - return data -} - -function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth } -function displayWidth(cm) { - return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth -} -function displayHeight(cm) { - return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight -} - -// Ensure the lineView.wrapping.heights array is populated. This is -// an array of bottom offsets for the lines that make up a drawn -// line. When lineWrapping is on, there might be more than one -// height. -function ensureLineHeights(cm, lineView, rect) { - var wrapping = cm.options.lineWrapping - var curWidth = wrapping && displayWidth(cm) - if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { - var heights = lineView.measure.heights = [] - if (wrapping) { - lineView.measure.width = curWidth - var rects = lineView.text.firstChild.getClientRects() - for (var i = 0; i < rects.length - 1; i++) { - var cur = rects[i], next = rects[i + 1] - if (Math.abs(cur.bottom - next.bottom) > 2) - { heights.push((cur.bottom + next.top) / 2 - rect.top) } - } - } - heights.push(rect.bottom - rect.top) - } -} - -// Find a line map (mapping character offsets to text nodes) and a -// measurement cache for the given line number. (A line view might -// contain multiple lines when collapsed ranges are present.) -function mapFromLineView(lineView, line, lineN) { - if (lineView.line == line) - { return {map: lineView.measure.map, cache: lineView.measure.cache} } - for (var i = 0; i < lineView.rest.length; i++) - { if (lineView.rest[i] == line) - { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } } - for (var i$1 = 0; i$1 < lineView.rest.length; i$1++) - { if (lineNo(lineView.rest[i$1]) > lineN) - { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } } -} - -// Render a line into the hidden node display.externalMeasured. Used -// when measurement is needed for a line that's not in the viewport. -function updateExternalMeasurement(cm, line) { - line = visualLine(line) - var lineN = lineNo(line) - var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN) - view.lineN = lineN - var built = view.built = buildLineContent(cm, view) - view.text = built.pre - removeChildrenAndAdd(cm.display.lineMeasure, built.pre) - return view -} - -// Get a {top, bottom, left, right} box (in line-local coordinates) -// for a given character. -function measureChar(cm, line, ch, bias) { - return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias) -} - -// Find a line view that corresponds to the given line number. -function findViewForLine(cm, lineN) { - if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) - { return cm.display.view[findViewIndex(cm, lineN)] } - var ext = cm.display.externalMeasured - if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) - { return ext } -} - -// Measurement can be split in two steps, the set-up work that -// applies to the whole line, and the measurement of the actual -// character. Functions like coordsChar, that need to do a lot of -// measurements in a row, can thus ensure that the set-up work is -// only done once. -function prepareMeasureForLine(cm, line) { - var lineN = lineNo(line) - var view = findViewForLine(cm, lineN) - if (view && !view.text) { - view = null - } else if (view && view.changes) { - updateLineForChanges(cm, view, lineN, getDimensions(cm)) - cm.curOp.forceUpdate = true - } - if (!view) - { view = updateExternalMeasurement(cm, line) } - - var info = mapFromLineView(view, line, lineN) - return { - line: line, view: view, rect: null, - map: info.map, cache: info.cache, before: info.before, - hasHeights: false - } -} - -// Given a prepared measurement object, measures the position of an -// actual character (or fetches it from the cache). -function measureCharPrepared(cm, prepared, ch, bias, varHeight) { - if (prepared.before) { ch = -1 } - var key = ch + (bias || ""), found - if (prepared.cache.hasOwnProperty(key)) { - found = prepared.cache[key] - } else { - if (!prepared.rect) - { prepared.rect = prepared.view.text.getBoundingClientRect() } - if (!prepared.hasHeights) { - ensureLineHeights(cm, prepared.view, prepared.rect) - prepared.hasHeights = true - } - found = measureCharInner(cm, prepared, ch, bias) - if (!found.bogus) { prepared.cache[key] = found } - } - return {left: found.left, right: found.right, - top: varHeight ? found.rtop : found.top, - bottom: varHeight ? found.rbottom : found.bottom} -} - -var nullRect = {left: 0, right: 0, top: 0, bottom: 0} - -function nodeAndOffsetInLineMap(map, ch, bias) { - var node, start, end, collapse, mStart, mEnd - // First, search the line map for the text node corresponding to, - // or closest to, the target character. - for (var i = 0; i < map.length; i += 3) { - mStart = map[i] - mEnd = map[i + 1] - if (ch < mStart) { - start = 0; end = 1 - collapse = "left" - } else if (ch < mEnd) { - start = ch - mStart - end = start + 1 - } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { - end = mEnd - mStart - start = end - 1 - if (ch >= mEnd) { collapse = "right" } - } - if (start != null) { - node = map[i + 2] - if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) - { collapse = bias } - if (bias == "left" && start == 0) - { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { - node = map[(i -= 3) + 2] - collapse = "left" - } } - if (bias == "right" && start == mEnd - mStart) - { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { - node = map[(i += 3) + 2] - collapse = "right" - } } - break - } - } - return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd} -} - -function getUsefulRect(rects, bias) { - var rect = nullRect - if (bias == "left") { for (var i = 0; i < rects.length; i++) { - if ((rect = rects[i]).left != rect.right) { break } - } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) { - if ((rect = rects[i$1]).left != rect.right) { break } - } } - return rect -} - -function measureCharInner(cm, prepared, ch, bias) { - var place = nodeAndOffsetInLineMap(prepared.map, ch, bias) - var node = place.node, start = place.start, end = place.end, collapse = place.collapse - - var rect - if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. - for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned - while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start } - while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end } - if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) - { rect = node.parentNode.getBoundingClientRect() } - else - { rect = getUsefulRect(range(node, start, end).getClientRects(), bias) } - if (rect.left || rect.right || start == 0) { break } - end = start - start = start - 1 - collapse = "right" - } - if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect) } - } else { // If it is a widget, simply get the box for the whole widget. - if (start > 0) { collapse = bias = "right" } - var rects - if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) - { rect = rects[bias == "right" ? rects.length - 1 : 0] } - else - { rect = node.getBoundingClientRect() } - } - if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { - var rSpan = node.parentNode.getClientRects()[0] - if (rSpan) - { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom} } - else - { rect = nullRect } - } - - var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top - var mid = (rtop + rbot) / 2 - var heights = prepared.view.measure.heights - var i = 0 - for (; i < heights.length - 1; i++) - { if (mid < heights[i]) { break } } - var top = i ? heights[i - 1] : 0, bot = heights[i] - var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, - right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, - top: top, bottom: bot} - if (!rect.left && !rect.right) { result.bogus = true } - if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot } - - return result -} - -// Work around problem with bounding client rects on ranges being -// returned incorrectly when zoomed on IE10 and below. -function maybeUpdateRectForZooming(measure, rect) { - if (!window.screen || screen.logicalXDPI == null || - screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) - { return rect } - var scaleX = screen.logicalXDPI / screen.deviceXDPI - var scaleY = screen.logicalYDPI / screen.deviceYDPI - return {left: rect.left * scaleX, right: rect.right * scaleX, - top: rect.top * scaleY, bottom: rect.bottom * scaleY} -} - -function clearLineMeasurementCacheFor(lineView) { - if (lineView.measure) { - lineView.measure.cache = {} - lineView.measure.heights = null - if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) - { lineView.measure.caches[i] = {} } } - } -} - -function clearLineMeasurementCache(cm) { - cm.display.externalMeasure = null - removeChildren(cm.display.lineMeasure) - for (var i = 0; i < cm.display.view.length; i++) - { clearLineMeasurementCacheFor(cm.display.view[i]) } -} - -function clearCaches(cm) { - clearLineMeasurementCache(cm) - cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null - if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true } - cm.display.lineNumChars = null -} - -function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft } -function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop } - -// Converts a {top, bottom, left, right} box from line-local -// coordinates into another coordinate system. Context may be one of -// "line", "div" (display.lineDiv), "local"./null (editor), "window", -// or "page". -function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) { - if (!includeWidgets && lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above) { - var size = widgetHeight(lineObj.widgets[i]) - rect.top += size; rect.bottom += size - } } } - if (context == "line") { return rect } - if (!context) { context = "local" } - var yOff = heightAtLine(lineObj) - if (context == "local") { yOff += paddingTop(cm.display) } - else { yOff -= cm.display.viewOffset } - if (context == "page" || context == "window") { - var lOff = cm.display.lineSpace.getBoundingClientRect() - yOff += lOff.top + (context == "window" ? 0 : pageScrollY()) - var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()) - rect.left += xOff; rect.right += xOff - } - rect.top += yOff; rect.bottom += yOff - return rect -} - -// Coverts a box from "div" coords to another coordinate system. -// Context may be "window", "page", "div", or "local"./null. -function fromCoordSystem(cm, coords, context) { - if (context == "div") { return coords } - var left = coords.left, top = coords.top - // First move into "page" coordinate system - if (context == "page") { - left -= pageScrollX() - top -= pageScrollY() - } else if (context == "local" || !context) { - var localBox = cm.display.sizer.getBoundingClientRect() - left += localBox.left - top += localBox.top - } - - var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect() - return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top} -} - -function charCoords(cm, pos, context, lineObj, bias) { - if (!lineObj) { lineObj = getLine(cm.doc, pos.line) } - return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context) -} - -// Returns a box for a given cursor position, which may have an -// 'other' property containing the position of the secondary cursor -// on a bidi boundary. -function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { - lineObj = lineObj || getLine(cm.doc, pos.line) - if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj) } - function get(ch, right) { - var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight) - if (right) { m.left = m.right; } else { m.right = m.left } - return intoCoordSystem(cm, lineObj, m, context) - } - function getBidi(ch, partPos) { - var part = order[partPos], right = part.level % 2 - if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { - part = order[--partPos] - ch = bidiRight(part) - (part.level % 2 ? 0 : 1) - right = true - } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { - part = order[++partPos] - ch = bidiLeft(part) - part.level % 2 - right = false - } - if (right && ch == part.to && ch > part.from) { return get(ch - 1) } - return get(ch, right) - } - var order = getOrder(lineObj), ch = pos.ch - if (!order) { return get(ch) } - var partPos = getBidiPartAt(order, ch) - var val = getBidi(ch, partPos) - if (bidiOther != null) { val.other = getBidi(ch, bidiOther) } - return val -} - -// Used to cheaply estimate the coordinates for a position. Used for -// intermediate scroll updates. -function estimateCoords(cm, pos) { - var left = 0 - pos = clipPos(cm.doc, pos) - if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch } - var lineObj = getLine(cm.doc, pos.line) - var top = heightAtLine(lineObj) + paddingTop(cm.display) - return {left: left, right: left, top: top, bottom: top + lineObj.height} -} - -// Positions returned by coordsChar contain some extra information. -// xRel is the relative x position of the input coordinates compared -// to the found position (so xRel > 0 means the coordinates are to -// the right of the character position, for example). When outside -// is true, that means the coordinates lie outside the line's -// vertical range. -function PosWithInfo(line, ch, outside, xRel) { - var pos = Pos(line, ch) - pos.xRel = xRel - if (outside) { pos.outside = true } - return pos -} - -// Compute the character position closest to the given coordinates. -// Input must be lineSpace-local ("div" coordinate system). -function coordsChar(cm, x, y) { - var doc = cm.doc - y += cm.display.viewOffset - if (y < 0) { return PosWithInfo(doc.first, 0, true, -1) } - var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1 - if (lineN > last) - { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1) } - if (x < 0) { x = 0 } - - var lineObj = getLine(doc, lineN) - for (;;) { - var found = coordsCharInner(cm, lineObj, lineN, x, y) - var merged = collapsedSpanAtEnd(lineObj) - var mergedPos = merged && merged.find(0, true) - if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) - { lineN = lineNo(lineObj = mergedPos.to.line) } - else - { return found } - } -} - -function coordsCharInner(cm, lineObj, lineNo, x, y) { - var innerOff = y - heightAtLine(lineObj) - var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth - var preparedMeasure = prepareMeasureForLine(cm, lineObj) - - function getX(ch) { - var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure) - wrongLine = true - if (innerOff > sp.bottom) { return sp.left - adjust } - else if (innerOff < sp.top) { return sp.left + adjust } - else { wrongLine = false } - return sp.left - } - - var bidi = getOrder(lineObj), dist = lineObj.text.length - var from = lineLeft(lineObj), to = lineRight(lineObj) - var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine - - if (x > toX) { return PosWithInfo(lineNo, to, toOutside, 1) } - // Do a binary search between these bounds. - for (;;) { - if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { - var ch = x < fromX || x - fromX <= toX - x ? from : to - var outside = ch == from ? fromOutside : toOutside - var xDiff = x - (ch == from ? fromX : toX) - // This is a kludge to handle the case where the coordinates - // are after a line-wrapped line. We should replace it with a - // more general handling of cursor positions around line - // breaks. (Issue #4078) - if (toOutside && !bidi && !/\s/.test(lineObj.text.charAt(ch)) && xDiff > 0 && - ch < lineObj.text.length && preparedMeasure.view.measure.heights.length > 1) { - var charSize = measureCharPrepared(cm, preparedMeasure, ch, "right") - if (innerOff <= charSize.bottom && innerOff >= charSize.top && Math.abs(x - charSize.right) < xDiff) { - outside = false - ch++ - xDiff = x - charSize.right - } - } - while (isExtendingChar(lineObj.text.charAt(ch))) { ++ch } - var pos = PosWithInfo(lineNo, ch, outside, xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0) - return pos - } - var step = Math.ceil(dist / 2), middle = from + step - if (bidi) { - middle = from - for (var i = 0; i < step; ++i) { middle = moveVisually(lineObj, middle, 1) } - } - var middleX = getX(middle) - if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) { toX += 1000; } dist = step} - else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step} - } -} - -var measureText -// Compute the default text height. -function textHeight(display) { - if (display.cachedTextHeight != null) { return display.cachedTextHeight } - if (measureText == null) { - measureText = elt("pre") - // Measure a bunch of lines, for browsers that compute - // fractional heights. - for (var i = 0; i < 49; ++i) { - measureText.appendChild(document.createTextNode("x")) - measureText.appendChild(elt("br")) - } - measureText.appendChild(document.createTextNode("x")) - } - removeChildrenAndAdd(display.measure, measureText) - var height = measureText.offsetHeight / 50 - if (height > 3) { display.cachedTextHeight = height } - removeChildren(display.measure) - return height || 1 -} - -// Compute the default character width. -function charWidth(display) { - if (display.cachedCharWidth != null) { return display.cachedCharWidth } - var anchor = elt("span", "xxxxxxxxxx") - var pre = elt("pre", [anchor]) - removeChildrenAndAdd(display.measure, pre) - var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10 - if (width > 2) { display.cachedCharWidth = width } - return width || 10 -} - -// Do a bulk-read of the DOM positions and sizes needed to draw the -// view, so that we don't interleave reading and writing to the DOM. -function getDimensions(cm) { - var d = cm.display, left = {}, width = {} - var gutterLeft = d.gutters.clientLeft - for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { - left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft - width[cm.options.gutters[i]] = n.clientWidth - } - return {fixedPos: compensateForHScroll(d), - gutterTotalWidth: d.gutters.offsetWidth, - gutterLeft: left, - gutterWidth: width, - wrapperWidth: d.wrapper.clientWidth} -} - -// Computes display.scroller.scrollLeft + display.gutters.offsetWidth, -// but using getBoundingClientRect to get a sub-pixel-accurate -// result. -function compensateForHScroll(display) { - return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left -} - -// Returns a function that estimates the height of a line, to use as -// first approximation until the line becomes visible (and is thus -// properly measurable). -function estimateHeight(cm) { - var th = textHeight(cm.display), wrapping = cm.options.lineWrapping - var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3) - return function (line) { - if (lineIsHidden(cm.doc, line)) { return 0 } - - var widgetsHeight = 0 - if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) { - if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height } - } } - - if (wrapping) - { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th } - else - { return widgetsHeight + th } - } -} - -function estimateLineHeights(cm) { - var doc = cm.doc, est = estimateHeight(cm) - doc.iter(function (line) { - var estHeight = est(line) - if (estHeight != line.height) { updateLineHeight(line, estHeight) } - }) -} - -// Given a mouse event, find the corresponding position. If liberal -// is false, it checks whether a gutter or scrollbar was clicked, -// and returns null if it was. forRect is used by rectangular -// selections, and tries to estimate a character position even for -// coordinates beyond the right of the text. -function posFromMouse(cm, e, liberal, forRect) { - var display = cm.display - if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null } - - var x, y, space = display.lineSpace.getBoundingClientRect() - // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX - space.left; y = e.clientY - space.top } - catch (e) { return null } - var coords = coordsChar(cm, x, y), line - if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { - var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length - coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)) - } - return coords -} - -// Find the view element corresponding to a given line. Return null -// when the line isn't visible. -function findViewIndex(cm, n) { - if (n >= cm.display.viewTo) { return null } - n -= cm.display.viewFrom - if (n < 0) { return null } - var view = cm.display.view - for (var i = 0; i < view.length; i++) { - n -= view[i].size - if (n < 0) { return i } - } -} - -function updateSelection(cm) { - cm.display.input.showSelection(cm.display.input.prepareSelection()) -} - -function prepareSelection(cm, primary) { - var doc = cm.doc, result = {} - var curFragment = result.cursors = document.createDocumentFragment() - var selFragment = result.selection = document.createDocumentFragment() - - for (var i = 0; i < doc.sel.ranges.length; i++) { - if (primary === false && i == doc.sel.primIndex) { continue } - var range = doc.sel.ranges[i] - if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue } - var collapsed = range.empty() - if (collapsed || cm.options.showCursorWhenSelecting) - { drawSelectionCursor(cm, range.head, curFragment) } - if (!collapsed) - { drawSelectionRange(cm, range, selFragment) } - } - return result -} - -// Draws a cursor for the given range -function drawSelectionCursor(cm, head, output) { - var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine) - - var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")) - cursor.style.left = pos.left + "px" - cursor.style.top = pos.top + "px" - cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px" - - if (pos.other) { - // Secondary cursor, shown when on a 'jump' in bi-directional text - var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")) - otherCursor.style.display = "" - otherCursor.style.left = pos.other.left + "px" - otherCursor.style.top = pos.other.top + "px" - otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px" - } -} - -// Draws the given range as a highlighted selection -function drawSelectionRange(cm, range, output) { - var display = cm.display, doc = cm.doc - var fragment = document.createDocumentFragment() - var padding = paddingH(cm.display), leftSide = padding.left - var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right - - function add(left, top, width, bottom) { - if (top < 0) { top = 0 } - top = Math.round(top) - bottom = Math.round(bottom) - fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px"))) - } - - function drawForLine(line, fromArg, toArg) { - var lineObj = getLine(doc, line) - var lineLen = lineObj.text.length - var start, end - function coords(ch, bias) { - return charCoords(cm, Pos(line, ch), "div", lineObj, bias) - } - - iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir) { - var leftPos = coords(from, "left"), rightPos, left, right - if (from == to) { - rightPos = leftPos - left = right = leftPos.left - } else { - rightPos = coords(to - 1, "right") - if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp } - left = leftPos.left - right = rightPos.right - } - if (fromArg == null && from == 0) { left = leftSide } - if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part - add(left, leftPos.top, null, leftPos.bottom) - left = leftSide - if (leftPos.bottom < rightPos.top) { add(left, leftPos.bottom, null, rightPos.top) } - } - if (toArg == null && to == lineLen) { right = rightSide } - if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) - { start = leftPos } - if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) - { end = rightPos } - if (left < leftSide + 1) { left = leftSide } - add(left, rightPos.top, right - left, rightPos.bottom) - }) - return {start: start, end: end} - } - - var sFrom = range.from(), sTo = range.to() - if (sFrom.line == sTo.line) { - drawForLine(sFrom.line, sFrom.ch, sTo.ch) - } else { - var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line) - var singleVLine = visualLine(fromLine) == visualLine(toLine) - var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end - var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start - if (singleVLine) { - if (leftEnd.top < rightStart.top - 2) { - add(leftEnd.right, leftEnd.top, null, leftEnd.bottom) - add(leftSide, rightStart.top, rightStart.left, rightStart.bottom) - } else { - add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom) - } - } - if (leftEnd.bottom < rightStart.top) - { add(leftSide, leftEnd.bottom, null, rightStart.top) } - } - - output.appendChild(fragment) -} - -// Cursor-blinking -function restartBlink(cm) { - if (!cm.state.focused) { return } - var display = cm.display - clearInterval(display.blinker) - var on = true - display.cursorDiv.style.visibility = "" - if (cm.options.cursorBlinkRate > 0) - { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; }, - cm.options.cursorBlinkRate) } - else if (cm.options.cursorBlinkRate < 0) - { display.cursorDiv.style.visibility = "hidden" } -} - -function ensureFocus(cm) { - if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm) } -} - -function delayBlurEvent(cm) { - cm.state.delayingBlurEvent = true - setTimeout(function () { if (cm.state.delayingBlurEvent) { - cm.state.delayingBlurEvent = false - onBlur(cm) - } }, 100) -} - -function onFocus(cm, e) { - if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false } - - if (cm.options.readOnly == "nocursor") { return } - if (!cm.state.focused) { - signal(cm, "focus", cm, e) - cm.state.focused = true - addClass(cm.display.wrapper, "CodeMirror-focused") - // This test prevents this from firing when a context - // menu is closed (since the input reset would kill the - // select-all detection hack) - if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { - cm.display.input.reset() - if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20) } // Issue #1730 - } - cm.display.input.receivedFocus() - } - restartBlink(cm) -} -function onBlur(cm, e) { - if (cm.state.delayingBlurEvent) { return } - - if (cm.state.focused) { - signal(cm, "blur", cm, e) - cm.state.focused = false - rmClass(cm.display.wrapper, "CodeMirror-focused") - } - clearInterval(cm.display.blinker) - setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false } }, 150) -} - -// Re-align line numbers and gutter marks to compensate for -// horizontal scrolling. -function alignHorizontally(cm) { - var display = cm.display, view = display.view - if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return } - var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft - var gutterW = display.gutters.offsetWidth, left = comp + "px" - for (var i = 0; i < view.length; i++) { if (!view[i].hidden) { - if (cm.options.fixedGutter) { - if (view[i].gutter) - { view[i].gutter.style.left = left } - if (view[i].gutterBackground) - { view[i].gutterBackground.style.left = left } - } - var align = view[i].alignable - if (align) { for (var j = 0; j < align.length; j++) - { align[j].style.left = left } } - } } - if (cm.options.fixedGutter) - { display.gutters.style.left = (comp + gutterW) + "px" } -} - -// Used to ensure that the line number gutter is still the right -// size for the current document size. Returns true when an update -// is needed. -function maybeUpdateLineNumberWidth(cm) { - if (!cm.options.lineNumbers) { return false } - var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display - if (last.length != display.lineNumChars) { - var test = display.measure.appendChild(elt("div", [elt("div", last)], - "CodeMirror-linenumber CodeMirror-gutter-elt")) - var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW - display.lineGutter.style.width = "" - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1 - display.lineNumWidth = display.lineNumInnerWidth + padding - display.lineNumChars = display.lineNumInnerWidth ? last.length : -1 - display.lineGutter.style.width = display.lineNumWidth + "px" - updateGutterSpace(cm) - return true - } - return false -} - -// Read the actual heights of the rendered lines, and update their -// stored heights to match. -function updateHeightsInViewport(cm) { - var display = cm.display - var prevBottom = display.lineDiv.offsetTop - for (var i = 0; i < display.view.length; i++) { - var cur = display.view[i], height = (void 0) - if (cur.hidden) { continue } - if (ie && ie_version < 8) { - var bot = cur.node.offsetTop + cur.node.offsetHeight - height = bot - prevBottom - prevBottom = bot - } else { - var box = cur.node.getBoundingClientRect() - height = box.bottom - box.top - } - var diff = cur.line.height - height - if (height < 2) { height = textHeight(display) } - if (diff > .001 || diff < -.001) { - updateLineHeight(cur.line, height) - updateWidgetHeight(cur.line) - if (cur.rest) { for (var j = 0; j < cur.rest.length; j++) - { updateWidgetHeight(cur.rest[j]) } } - } - } -} - -// Read and store the height of line widgets associated with the -// given line. -function updateWidgetHeight(line) { - if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) - { line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight } } -} - -// Compute the lines that are visible in a given viewport (defaults -// the the current scroll position). viewport may contain top, -// height, and ensure (see op.scrollToPos) properties. -function visibleLines(display, doc, viewport) { - var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop - top = Math.floor(top - paddingTop(display)) - var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight - - var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom) - // Ensure is a {from: {line, ch}, to: {line, ch}} object, and - // forces those lines into the viewport (if possible). - if (viewport && viewport.ensure) { - var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line - if (ensureFrom < from) { - from = ensureFrom - to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight) - } else if (Math.min(ensureTo, doc.lastLine()) >= to) { - from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight) - to = ensureTo - } - } - return {from: from, to: Math.max(to, from + 1)} -} - -// Sync the scrollable area and scrollbars, ensure the viewport -// covers the visible area. -function setScrollTop(cm, val) { - if (Math.abs(cm.doc.scrollTop - val) < 2) { return } - cm.doc.scrollTop = val - if (!gecko) { updateDisplaySimple(cm, {top: val}) } - if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val } - cm.display.scrollbars.setScrollTop(val) - if (gecko) { updateDisplaySimple(cm) } - startWorker(cm, 100) -} -// Sync scroller and scrollbar, ensure the gutter elements are -// aligned. -function setScrollLeft(cm, val, isScroller) { - if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) { return } - val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth) - cm.doc.scrollLeft = val - alignHorizontally(cm) - if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val } - cm.display.scrollbars.setScrollLeft(val) -} - -// Since the delta values reported on mouse wheel events are -// unstandardized between browsers and even browser versions, and -// generally horribly unpredictable, this code starts by measuring -// the scroll effect that the first few mouse wheel events have, -// and, from that, detects the way it can convert deltas to pixel -// offsets afterwards. -// -// The reason we want to know the amount a wheel event will scroll -// is that it gives us a chance to update the display before the -// actual scrolling happens, reducing flickering. - -var wheelSamples = 0; -var wheelPixelsPerUnit = null; -// Fill in a browser-detected starting value on browsers where we -// know one. These don't have to be accurate -- the result of them -// being wrong would just be a slight flicker on the first wheel -// scroll (if it is large enough). -if (ie) { wheelPixelsPerUnit = -.53 } -else if (gecko) { wheelPixelsPerUnit = 15 } -else if (chrome) { wheelPixelsPerUnit = -.7 } -else if (safari) { wheelPixelsPerUnit = -1/3 } - -function wheelEventDelta(e) { - var dx = e.wheelDeltaX, dy = e.wheelDeltaY - if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail } - if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail } - else if (dy == null) { dy = e.wheelDelta } - return {x: dx, y: dy} -} -function wheelEventPixels(e) { - var delta = wheelEventDelta(e) - delta.x *= wheelPixelsPerUnit - delta.y *= wheelPixelsPerUnit - return delta -} - -function onScrollWheel(cm, e) { - var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y - - var display = cm.display, scroll = display.scroller - // Quit if there's nothing to scroll here - var canScrollX = scroll.scrollWidth > scroll.clientWidth - var canScrollY = scroll.scrollHeight > scroll.clientHeight - if (!(dx && canScrollX || dy && canScrollY)) { return } - - // Webkit browsers on OS X abort momentum scrolls when the target - // of the scroll event is removed from the scrollable element. - // This hack (see related code in patchDisplay) makes sure the - // element is kept around. - if (dy && mac && webkit) { - outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { - for (var i = 0; i < view.length; i++) { - if (view[i].node == cur) { - cm.display.currentWheelTarget = cur - break outer - } - } - } - } - - // On some browsers, horizontal scrolling will cause redraws to - // happen before the gutter has been realigned, causing it to - // wriggle around in a most unseemly way. When we have an - // estimated pixels/delta value, we just handle horizontal - // scrolling entirely here. It'll be slightly off from native, but - // better than glitching out. - if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { - if (dy && canScrollY) - { setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))) } - setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))) - // Only prevent default scrolling if vertical scrolling is - // actually possible. Otherwise, it causes vertical scroll - // jitter on OSX trackpads when deltaX is small and deltaY - // is large (issue #3579) - if (!dy || (dy && canScrollY)) - { e_preventDefault(e) } - display.wheelStartX = null // Abort measurement, if in progress - return - } - - // 'Project' the visible viewport to cover the area that is being - // scrolled into view (if we know enough to estimate it). - if (dy && wheelPixelsPerUnit != null) { - var pixels = dy * wheelPixelsPerUnit - var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight - if (pixels < 0) { top = Math.max(0, top + pixels - 50) } - else { bot = Math.min(cm.doc.height, bot + pixels + 50) } - updateDisplaySimple(cm, {top: top, bottom: bot}) - } - - if (wheelSamples < 20) { - if (display.wheelStartX == null) { - display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop - display.wheelDX = dx; display.wheelDY = dy - setTimeout(function () { - if (display.wheelStartX == null) { return } - var movedX = scroll.scrollLeft - display.wheelStartX - var movedY = scroll.scrollTop - display.wheelStartY - var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || - (movedX && display.wheelDX && movedX / display.wheelDX) - display.wheelStartX = display.wheelStartY = null - if (!sample) { return } - wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1) - ++wheelSamples - }, 200) - } else { - display.wheelDX += dx; display.wheelDY += dy - } - } -} - -// SCROLLBARS - -// Prepare DOM reads needed to update the scrollbars. Done in one -// shot to minimize update/measure roundtrips. -function measureForScrollbars(cm) { - var d = cm.display, gutterW = d.gutters.offsetWidth - var docH = Math.round(cm.doc.height + paddingVert(cm.display)) - return { - clientHeight: d.scroller.clientHeight, - viewHeight: d.wrapper.clientHeight, - scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, - viewWidth: d.wrapper.clientWidth, - barLeft: cm.options.fixedGutter ? gutterW : 0, - docHeight: docH, - scrollHeight: docH + scrollGap(cm) + d.barHeight, - nativeBarWidth: d.nativeBarWidth, - gutterWidth: gutterW - } -} - -var NativeScrollbars = function(place, scroll, cm) { - this.cm = cm - var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar") - var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar") - place(vert); place(horiz) - - on(vert, "scroll", function () { - if (vert.clientHeight) { scroll(vert.scrollTop, "vertical") } - }) - on(horiz, "scroll", function () { - if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal") } - }) - - this.checkedZeroWidth = false - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px" } -}; - -NativeScrollbars.prototype.update = function (measure) { - var needsH = measure.scrollWidth > measure.clientWidth + 1 - var needsV = measure.scrollHeight > measure.clientHeight + 1 - var sWidth = measure.nativeBarWidth - - if (needsV) { - this.vert.style.display = "block" - this.vert.style.bottom = needsH ? sWidth + "px" : "0" - var totalHeight = measure.viewHeight - (needsH ? sWidth : 0) - // A bug in IE8 can cause this value to be negative, so guard it. - this.vert.firstChild.style.height = - Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px" - } else { - this.vert.style.display = "" - this.vert.firstChild.style.height = "0" - } - - if (needsH) { - this.horiz.style.display = "block" - this.horiz.style.right = needsV ? sWidth + "px" : "0" - this.horiz.style.left = measure.barLeft + "px" - var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0) - this.horiz.firstChild.style.width = - (measure.scrollWidth - measure.clientWidth + totalWidth) + "px" - } else { - this.horiz.style.display = "" - this.horiz.firstChild.style.width = "0" - } - - if (!this.checkedZeroWidth && measure.clientHeight > 0) { - if (sWidth == 0) { this.zeroWidthHack() } - this.checkedZeroWidth = true - } - - return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0} -}; - -NativeScrollbars.prototype.setScrollLeft = function (pos) { - if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos } - if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz) } -}; - -NativeScrollbars.prototype.setScrollTop = function (pos) { - if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos } - if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert) } -}; - -NativeScrollbars.prototype.zeroWidthHack = function () { - var w = mac && !mac_geMountainLion ? "12px" : "18px" - this.horiz.style.height = this.vert.style.width = w - this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none" - this.disableHoriz = new Delayed - this.disableVert = new Delayed -}; - -NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay) { - bar.style.pointerEvents = "auto" - function maybeDisable() { - // To find out whether the scrollbar is still visible, we - // check whether the element under the pixel in the bottom - // left corner of the scrollbar box is the scrollbar box - // itself (when the bar is still visible) or its filler child - // (when the bar is hidden). If it is still visible, we keep - // it enabled, if it's hidden, we disable pointer events. - var box = bar.getBoundingClientRect() - var elt = document.elementFromPoint(box.left + 1, box.bottom - 1) - if (elt != bar) { bar.style.pointerEvents = "none" } - else { delay.set(1000, maybeDisable) } - } - delay.set(1000, maybeDisable) -}; - -NativeScrollbars.prototype.clear = function () { - var parent = this.horiz.parentNode - parent.removeChild(this.horiz) - parent.removeChild(this.vert) -}; - -var NullScrollbars = function () {}; - -NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} }; -NullScrollbars.prototype.setScrollLeft = function () {}; -NullScrollbars.prototype.setScrollTop = function () {}; -NullScrollbars.prototype.clear = function () {}; - -function updateScrollbars(cm, measure) { - if (!measure) { measure = measureForScrollbars(cm) } - var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight - updateScrollbarsInner(cm, measure) - for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { - if (startWidth != cm.display.barWidth && cm.options.lineWrapping) - { updateHeightsInViewport(cm) } - updateScrollbarsInner(cm, measureForScrollbars(cm)) - startWidth = cm.display.barWidth; startHeight = cm.display.barHeight - } -} - -// Re-synchronize the fake scrollbars with the actual size of the -// content. -function updateScrollbarsInner(cm, measure) { - var d = cm.display - var sizes = d.scrollbars.update(measure) - - d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px" - d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px" - d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent" - - if (sizes.right && sizes.bottom) { - d.scrollbarFiller.style.display = "block" - d.scrollbarFiller.style.height = sizes.bottom + "px" - d.scrollbarFiller.style.width = sizes.right + "px" - } else { d.scrollbarFiller.style.display = "" } - if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { - d.gutterFiller.style.display = "block" - d.gutterFiller.style.height = sizes.bottom + "px" - d.gutterFiller.style.width = measure.gutterWidth + "px" - } else { d.gutterFiller.style.display = "" } -} - -var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars} - -function initScrollbars(cm) { - if (cm.display.scrollbars) { - cm.display.scrollbars.clear() - if (cm.display.scrollbars.addClass) - { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass) } - } - - cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) { - cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller) - // Prevent clicks in the scrollbars from killing focus - on(node, "mousedown", function () { - if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0) } - }) - node.setAttribute("cm-not-content", "true") - }, function (pos, axis) { - if (axis == "horizontal") { setScrollLeft(cm, pos) } - else { setScrollTop(cm, pos) } - }, cm) - if (cm.display.scrollbars.addClass) - { addClass(cm.display.wrapper, cm.display.scrollbars.addClass) } -} - -// SCROLLING THINGS INTO VIEW - -// If an editor sits on the top or bottom of the window, partially -// scrolled out of view, this ensures that the cursor is visible. -function maybeScrollWindow(cm, coords) { - if (signalDOMEvent(cm, "scrollCursorIntoView")) { return } - - var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null - if (coords.top + box.top < 0) { doScroll = true } - else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false } - if (doScroll != null && !phantom) { - var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (coords.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (coords.left) + "px; width: 2px;")) - cm.display.lineSpace.appendChild(scrollNode) - scrollNode.scrollIntoView(doScroll) - cm.display.lineSpace.removeChild(scrollNode) - } -} - -// Scroll a given position into view (immediately), verifying that -// it actually became visible (as line heights are accurately -// measured, the position of something may 'drift' during drawing). -function scrollPosIntoView(cm, pos, end, margin) { - if (margin == null) { margin = 0 } - var coords - for (var limit = 0; limit < 5; limit++) { - var changed = false - coords = cursorCoords(cm, pos) - var endCoords = !end || end == pos ? coords : cursorCoords(cm, end) - var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), - Math.min(coords.top, endCoords.top) - margin, - Math.max(coords.left, endCoords.left), - Math.max(coords.bottom, endCoords.bottom) + margin) - var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft - if (scrollPos.scrollTop != null) { - setScrollTop(cm, scrollPos.scrollTop) - if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true } - } - if (scrollPos.scrollLeft != null) { - setScrollLeft(cm, scrollPos.scrollLeft) - if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true } - } - if (!changed) { break } - } - return coords -} - -// Scroll a given set of coordinates into view (immediately). -function scrollIntoView(cm, x1, y1, x2, y2) { - var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2) - if (scrollPos.scrollTop != null) { setScrollTop(cm, scrollPos.scrollTop) } - if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft) } -} - -// Calculate a new scroll position needed to scroll the given -// rectangle into view. Returns an object with scrollTop and -// scrollLeft properties. When these are undefined, the -// vertical/horizontal position does not need to be adjusted. -function calculateScrollPos(cm, x1, y1, x2, y2) { - var display = cm.display, snapMargin = textHeight(cm.display) - if (y1 < 0) { y1 = 0 } - var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop - var screen = displayHeight(cm), result = {} - if (y2 - y1 > screen) { y2 = y1 + screen } - var docBottom = cm.doc.height + paddingVert(display) - var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin - if (y1 < screentop) { - result.scrollTop = atTop ? 0 : y1 - } else if (y2 > screentop + screen) { - var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen) - if (newTop != screentop) { result.scrollTop = newTop } - } - - var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft - var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0) - var tooWide = x2 - x1 > screenw - if (tooWide) { x2 = x1 + screenw } - if (x1 < 10) - { result.scrollLeft = 0 } - else if (x1 < screenleft) - { result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)) } - else if (x2 > screenw + screenleft - 3) - { result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw } - return result -} - -// Store a relative adjustment to the scroll position in the current -// operation (to be applied when the operation finishes). -function addToScrollPos(cm, left, top) { - if (left != null || top != null) { resolveScrollToPos(cm) } - if (left != null) - { cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left } - if (top != null) - { cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top } -} - -// Make sure that at the end of the operation the current cursor is -// shown. -function ensureCursorVisible(cm) { - resolveScrollToPos(cm) - var cur = cm.getCursor(), from = cur, to = cur - if (!cm.options.lineWrapping) { - from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur - to = Pos(cur.line, cur.ch + 1) - } - cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true} -} - -// When an operation has its scrollToPos property set, and another -// scroll action is applied before the end of the operation, this -// 'simulates' scrolling that position into view in a cheap way, so -// that the effect of intermediate scroll commands is not ignored. -function resolveScrollToPos(cm) { - var range = cm.curOp.scrollToPos - if (range) { - cm.curOp.scrollToPos = null - var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to) - var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), - Math.min(from.top, to.top) - range.margin, - Math.max(from.right, to.right), - Math.max(from.bottom, to.bottom) + range.margin) - cm.scrollTo(sPos.scrollLeft, sPos.scrollTop) - } -} - -// Operations are used to wrap a series of changes to the editor -// state in such a way that each change won't have to update the -// cursor and display (which would be awkward, slow, and -// error-prone). Instead, display updates are batched and then all -// combined and executed at once. - -var nextOpId = 0 -// Start a new operation. -function startOperation(cm) { - cm.curOp = { - cm: cm, - viewChanged: false, // Flag that indicates that lines might need to be redrawn - startHeight: cm.doc.height, // Used to detect need to update scrollbar - forceUpdate: false, // Used to force a redraw - updateInput: null, // Whether to reset the input textarea - typing: false, // Whether this reset should be careful to leave existing text (for compositing) - changeObjs: null, // Accumulated changes, for firing change events - cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on - cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already - selectionChanged: false, // Whether the selection needs to be redrawn - updateMaxLine: false, // Set when the widest line needs to be determined anew - scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet - scrollToPos: null, // Used to scroll to a specific position - focus: false, - id: ++nextOpId // Unique ID - } - pushOperation(cm.curOp) -} - -// Finish an operation, updating the display and signalling delayed events -function endOperation(cm) { - var op = cm.curOp - finishOperation(op, function (group) { - for (var i = 0; i < group.ops.length; i++) - { group.ops[i].cm.curOp = null } - endOperations(group) - }) -} - -// The DOM updates done when an operation finishes are batched so -// that the minimum number of relayouts are required. -function endOperations(group) { - var ops = group.ops - for (var i = 0; i < ops.length; i++) // Read DOM - { endOperation_R1(ops[i]) } - for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe) - { endOperation_W1(ops[i$1]) } - for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM - { endOperation_R2(ops[i$2]) } - for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe) - { endOperation_W2(ops[i$3]) } - for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM - { endOperation_finish(ops[i$4]) } -} - -function endOperation_R1(op) { - var cm = op.cm, display = cm.display - maybeClipScrollbars(cm) - if (op.updateMaxLine) { findMaxLine(cm) } - - op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || - op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || - op.scrollToPos.to.line >= display.viewTo) || - display.maxLineChanged && cm.options.lineWrapping - op.update = op.mustUpdate && - new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate) -} - -function endOperation_W1(op) { - op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update) -} - -function endOperation_R2(op) { - var cm = op.cm, display = cm.display - if (op.updatedDisplay) { updateHeightsInViewport(cm) } - - op.barMeasure = measureForScrollbars(cm) - - // If the max line changed since it was last measured, measure it, - // and ensure the document's width matches it. - // updateDisplay_W2 will use these properties to do the actual resizing - if (display.maxLineChanged && !cm.options.lineWrapping) { - op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3 - cm.display.sizerWidth = op.adjustWidthTo - op.barMeasure.scrollWidth = - Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth) - op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)) - } - - if (op.updatedDisplay || op.selectionChanged) - { op.preparedSelection = display.input.prepareSelection(op.focus) } -} - -function endOperation_W2(op) { - var cm = op.cm - - if (op.adjustWidthTo != null) { - cm.display.sizer.style.minWidth = op.adjustWidthTo + "px" - if (op.maxScrollLeft < cm.doc.scrollLeft) - { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true) } - cm.display.maxLineChanged = false - } - - var takeFocus = op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus()) - if (op.preparedSelection) - { cm.display.input.showSelection(op.preparedSelection, takeFocus) } - if (op.updatedDisplay || op.startHeight != cm.doc.height) - { updateScrollbars(cm, op.barMeasure) } - if (op.updatedDisplay) - { setDocumentHeight(cm, op.barMeasure) } - - if (op.selectionChanged) { restartBlink(cm) } - - if (cm.state.focused && op.updateInput) - { cm.display.input.reset(op.typing) } - if (takeFocus) { ensureFocus(op.cm) } -} - -function endOperation_finish(op) { - var cm = op.cm, display = cm.display, doc = cm.doc - - if (op.updatedDisplay) { postUpdateDisplay(cm, op.update) } - - // Abort mouse wheel delta measurement, when scrolling explicitly - if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) - { display.wheelStartX = display.wheelStartY = null } - - // Propagate the scroll position to the actual DOM scroller - if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { - doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)) - display.scrollbars.setScrollTop(doc.scrollTop) - display.scroller.scrollTop = doc.scrollTop - } - if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { - doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft)) - display.scrollbars.setScrollLeft(doc.scrollLeft) - display.scroller.scrollLeft = doc.scrollLeft - alignHorizontally(cm) - } - // If we need to scroll a specific position into view, do so. - if (op.scrollToPos) { - var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), - clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin) - if (op.scrollToPos.isCursor && cm.state.focused) { maybeScrollWindow(cm, coords) } - } - - // Fire events for markers that are hidden/unidden by editing or - // undoing - var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers - if (hidden) { for (var i = 0; i < hidden.length; ++i) - { if (!hidden[i].lines.length) { signal(hidden[i], "hide") } } } - if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1) - { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide") } } } - - if (display.wrapper.offsetHeight) - { doc.scrollTop = cm.display.scroller.scrollTop } - - // Fire change events, and delayed event handlers - if (op.changeObjs) - { signal(cm, "changes", cm, op.changeObjs) } - if (op.update) - { op.update.finish() } -} - -// Run the given function in an operation -function runInOp(cm, f) { - if (cm.curOp) { return f() } - startOperation(cm) - try { return f() } - finally { endOperation(cm) } -} -// Wraps a function in an operation. Returns the wrapped function. -function operation(cm, f) { - return function() { - if (cm.curOp) { return f.apply(cm, arguments) } - startOperation(cm) - try { return f.apply(cm, arguments) } - finally { endOperation(cm) } - } -} -// Used to add methods to editor and doc instances, wrapping them in -// operations. -function methodOp(f) { - return function() { - if (this.curOp) { return f.apply(this, arguments) } - startOperation(this) - try { return f.apply(this, arguments) } - finally { endOperation(this) } - } -} -function docMethodOp(f) { - return function() { - var cm = this.cm - if (!cm || cm.curOp) { return f.apply(this, arguments) } - startOperation(cm) - try { return f.apply(this, arguments) } - finally { endOperation(cm) } - } -} - -// Updates the display.view data structure for a given change to the -// document. From and to are in pre-change coordinates. Lendiff is -// the amount of lines added or subtracted by the change. This is -// used for changes that span multiple lines, or change the way -// lines are divided into visual lines. regLineChange (below) -// registers single-line changes. -function regChange(cm, from, to, lendiff) { - if (from == null) { from = cm.doc.first } - if (to == null) { to = cm.doc.first + cm.doc.size } - if (!lendiff) { lendiff = 0 } - - var display = cm.display - if (lendiff && to < display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers > from)) - { display.updateLineNumbers = from } - - cm.curOp.viewChanged = true - - if (from >= display.viewTo) { // Change after - if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) - { resetView(cm) } - } else if (to <= display.viewFrom) { // Change before - if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { - resetView(cm) - } else { - display.viewFrom += lendiff - display.viewTo += lendiff - } - } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap - resetView(cm) - } else if (from <= display.viewFrom) { // Top overlap - var cut = viewCuttingPoint(cm, to, to + lendiff, 1) - if (cut) { - display.view = display.view.slice(cut.index) - display.viewFrom = cut.lineN - display.viewTo += lendiff - } else { - resetView(cm) - } - } else if (to >= display.viewTo) { // Bottom overlap - var cut$1 = viewCuttingPoint(cm, from, from, -1) - if (cut$1) { - display.view = display.view.slice(0, cut$1.index) - display.viewTo = cut$1.lineN - } else { - resetView(cm) - } - } else { // Gap in the middle - var cutTop = viewCuttingPoint(cm, from, from, -1) - var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1) - if (cutTop && cutBot) { - display.view = display.view.slice(0, cutTop.index) - .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) - .concat(display.view.slice(cutBot.index)) - display.viewTo += lendiff - } else { - resetView(cm) - } - } - - var ext = display.externalMeasured - if (ext) { - if (to < ext.lineN) - { ext.lineN += lendiff } - else if (from < ext.lineN + ext.size) - { display.externalMeasured = null } - } -} - -// Register a change to a single line. Type must be one of "text", -// "gutter", "class", "widget" -function regLineChange(cm, line, type) { - cm.curOp.viewChanged = true - var display = cm.display, ext = cm.display.externalMeasured - if (ext && line >= ext.lineN && line < ext.lineN + ext.size) - { display.externalMeasured = null } - - if (line < display.viewFrom || line >= display.viewTo) { return } - var lineView = display.view[findViewIndex(cm, line)] - if (lineView.node == null) { return } - var arr = lineView.changes || (lineView.changes = []) - if (indexOf(arr, type) == -1) { arr.push(type) } -} - -// Clear the view. -function resetView(cm) { - cm.display.viewFrom = cm.display.viewTo = cm.doc.first - cm.display.view = [] - cm.display.viewOffset = 0 -} - -function viewCuttingPoint(cm, oldN, newN, dir) { - var index = findViewIndex(cm, oldN), diff, view = cm.display.view - if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) - { return {index: index, lineN: newN} } - var n = cm.display.viewFrom - for (var i = 0; i < index; i++) - { n += view[i].size } - if (n != oldN) { - if (dir > 0) { - if (index == view.length - 1) { return null } - diff = (n + view[index].size) - oldN - index++ - } else { - diff = n - oldN - } - oldN += diff; newN += diff - } - while (visualLineNo(cm.doc, newN) != newN) { - if (index == (dir < 0 ? 0 : view.length - 1)) { return null } - newN += dir * view[index - (dir < 0 ? 1 : 0)].size - index += dir - } - return {index: index, lineN: newN} -} - -// Force the view to cover a given range, adding empty view element -// or clipping off existing ones as needed. -function adjustView(cm, from, to) { - var display = cm.display, view = display.view - if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { - display.view = buildViewArray(cm, from, to) - display.viewFrom = from - } else { - if (display.viewFrom > from) - { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view) } - else if (display.viewFrom < from) - { display.view = display.view.slice(findViewIndex(cm, from)) } - display.viewFrom = from - if (display.viewTo < to) - { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)) } - else if (display.viewTo > to) - { display.view = display.view.slice(0, findViewIndex(cm, to)) } - } - display.viewTo = to -} - -// Count the number of lines in the view whose DOM representation is -// out of date (or nonexistent). -function countDirtyView(cm) { - var view = cm.display.view, dirty = 0 - for (var i = 0; i < view.length; i++) { - var lineView = view[i] - if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty } - } - return dirty -} - -// HIGHLIGHT WORKER - -function startWorker(cm, time) { - if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo) - { cm.state.highlight.set(time, bind(highlightWorker, cm)) } -} - -function highlightWorker(cm) { - var doc = cm.doc - if (doc.frontier < doc.first) { doc.frontier = doc.first } - if (doc.frontier >= cm.display.viewTo) { return } - var end = +new Date + cm.options.workTime - var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)) - var changedLines = [] - - doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) { - if (doc.frontier >= cm.display.viewFrom) { // Visible - var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength - var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true) - line.styles = highlighted.styles - var oldCls = line.styleClasses, newCls = highlighted.classes - if (newCls) { line.styleClasses = newCls } - else if (oldCls) { line.styleClasses = null } - var ischange = !oldStyles || oldStyles.length != line.styles.length || - oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass) - for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i] } - if (ischange) { changedLines.push(doc.frontier) } - line.stateAfter = tooLong ? state : copyState(doc.mode, state) - } else { - if (line.text.length <= cm.options.maxHighlightLength) - { processLine(cm, line.text, state) } - line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null - } - ++doc.frontier - if (+new Date > end) { - startWorker(cm, cm.options.workDelay) - return true - } - }) - if (changedLines.length) { runInOp(cm, function () { - for (var i = 0; i < changedLines.length; i++) - { regLineChange(cm, changedLines[i], "text") } - }) } -} - -// DISPLAY DRAWING - -var DisplayUpdate = function(cm, viewport, force) { - var display = cm.display - - this.viewport = viewport - // Store some values that we'll need later (but don't want to force a relayout for) - this.visible = visibleLines(display, cm.doc, viewport) - this.editorIsHidden = !display.wrapper.offsetWidth - this.wrapperHeight = display.wrapper.clientHeight - this.wrapperWidth = display.wrapper.clientWidth - this.oldDisplayWidth = displayWidth(cm) - this.force = force - this.dims = getDimensions(cm) - this.events = [] -}; - -DisplayUpdate.prototype.signal = function (emitter, type) { - if (hasHandler(emitter, type)) - { this.events.push(arguments) } -}; -DisplayUpdate.prototype.finish = function () { - var this$1 = this; - - for (var i = 0; i < this.events.length; i++) - { signal.apply(null, this$1.events[i]) } -}; - -function maybeClipScrollbars(cm) { - var display = cm.display - if (!display.scrollbarsClipped && display.scroller.offsetWidth) { - display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth - display.heightForcer.style.height = scrollGap(cm) + "px" - display.sizer.style.marginBottom = -display.nativeBarWidth + "px" - display.sizer.style.borderRightWidth = scrollGap(cm) + "px" - display.scrollbarsClipped = true - } -} - -// Does the actual updating of the line display. Bails out -// (returning false) when there is nothing to be done and forced is -// false. -function updateDisplayIfNeeded(cm, update) { - var display = cm.display, doc = cm.doc - - if (update.editorIsHidden) { - resetView(cm) - return false - } - - // Bail out if the visible area is already rendered and nothing changed. - if (!update.force && - update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && - display.renderedView == display.view && countDirtyView(cm) == 0) - { return false } - - if (maybeUpdateLineNumberWidth(cm)) { - resetView(cm) - update.dims = getDimensions(cm) - } - - // Compute a suitable new viewport (from & to) - var end = doc.first + doc.size - var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first) - var to = Math.min(end, update.visible.to + cm.options.viewportMargin) - if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom) } - if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo) } - if (sawCollapsedSpans) { - from = visualLineNo(cm.doc, from) - to = visualLineEndNo(cm.doc, to) - } - - var different = from != display.viewFrom || to != display.viewTo || - display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth - adjustView(cm, from, to) - - display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)) - // Position the mover div to align with the current scroll position - cm.display.mover.style.top = display.viewOffset + "px" - - var toUpdate = countDirtyView(cm) - if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) - { return false } - - // For big changes, we hide the enclosing element during the - // update, since that speeds up the operations on most browsers. - var focused = activeElt() - if (toUpdate > 4) { display.lineDiv.style.display = "none" } - patchDisplay(cm, display.updateLineNumbers, update.dims) - if (toUpdate > 4) { display.lineDiv.style.display = "" } - display.renderedView = display.view - // There might have been a widget with a focused element that got - // hidden or updated, if so re-focus it. - if (focused && activeElt() != focused && focused.offsetHeight) { focused.focus() } - - // Prevent selection and cursors from interfering with the scroll - // width and height. - removeChildren(display.cursorDiv) - removeChildren(display.selectionDiv) - display.gutters.style.height = display.sizer.style.minHeight = 0 - - if (different) { - display.lastWrapHeight = update.wrapperHeight - display.lastWrapWidth = update.wrapperWidth - startWorker(cm, 400) - } - - display.updateLineNumbers = null - - return true -} - -function postUpdateDisplay(cm, update) { - var viewport = update.viewport - - for (var first = true;; first = false) { - if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { - // Clip forced viewport to actual scrollable area. - if (viewport && viewport.top != null) - { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)} } - // Updated line heights might result in the drawn area not - // actually covering the viewport. Keep looping until it does. - update.visible = visibleLines(cm.display, cm.doc, viewport) - if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) - { break } - } - if (!updateDisplayIfNeeded(cm, update)) { break } - updateHeightsInViewport(cm) - var barMeasure = measureForScrollbars(cm) - updateSelection(cm) - updateScrollbars(cm, barMeasure) - setDocumentHeight(cm, barMeasure) - } - - update.signal(cm, "update", cm) - if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { - update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo) - cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo - } -} - -function updateDisplaySimple(cm, viewport) { - var update = new DisplayUpdate(cm, viewport) - if (updateDisplayIfNeeded(cm, update)) { - updateHeightsInViewport(cm) - postUpdateDisplay(cm, update) - var barMeasure = measureForScrollbars(cm) - updateSelection(cm) - updateScrollbars(cm, barMeasure) - setDocumentHeight(cm, barMeasure) - update.finish() - } -} - -// Sync the actual display DOM structure with display.view, removing -// nodes for lines that are no longer in view, and creating the ones -// that are not there yet, and updating the ones that are out of -// date. -function patchDisplay(cm, updateNumbersFrom, dims) { - var display = cm.display, lineNumbers = cm.options.lineNumbers - var container = display.lineDiv, cur = container.firstChild - - function rm(node) { - var next = node.nextSibling - // Works around a throw-scroll bug in OS X Webkit - if (webkit && mac && cm.display.currentWheelTarget == node) - { node.style.display = "none" } - else - { node.parentNode.removeChild(node) } - return next - } - - var view = display.view, lineN = display.viewFrom - // Loop over the elements in the view, syncing cur (the DOM nodes - // in display.lineDiv) with the view as we go. - for (var i = 0; i < view.length; i++) { - var lineView = view[i] - if (lineView.hidden) { - } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet - var node = buildLineElement(cm, lineView, lineN, dims) - container.insertBefore(node, cur) - } else { // Already drawn - while (cur != lineView.node) { cur = rm(cur) } - var updateNumber = lineNumbers && updateNumbersFrom != null && - updateNumbersFrom <= lineN && lineView.lineNumber - if (lineView.changes) { - if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false } - updateLineForChanges(cm, lineView, lineN, dims) - } - if (updateNumber) { - removeChildren(lineView.lineNumber) - lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))) - } - cur = lineView.node.nextSibling - } - lineN += lineView.size - } - while (cur) { cur = rm(cur) } -} - -function updateGutterSpace(cm) { - var width = cm.display.gutters.offsetWidth - cm.display.sizer.style.marginLeft = width + "px" -} - -function setDocumentHeight(cm, measure) { - cm.display.sizer.style.minHeight = measure.docHeight + "px" - cm.display.heightForcer.style.top = measure.docHeight + "px" - cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px" -} - -// Rebuild the gutter elements, ensure the margin to the left of the -// code matches their width. -function updateGutters(cm) { - var gutters = cm.display.gutters, specs = cm.options.gutters - removeChildren(gutters) - var i = 0 - for (; i < specs.length; ++i) { - var gutterClass = specs[i] - var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)) - if (gutterClass == "CodeMirror-linenumbers") { - cm.display.lineGutter = gElt - gElt.style.width = (cm.display.lineNumWidth || 1) + "px" - } - } - gutters.style.display = i ? "" : "none" - updateGutterSpace(cm) -} - -// Make sure the gutters options contains the element -// "CodeMirror-linenumbers" when the lineNumbers option is true. -function setGuttersForLineNumbers(options) { - var found = indexOf(options.gutters, "CodeMirror-linenumbers") - if (found == -1 && options.lineNumbers) { - options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]) - } else if (found > -1 && !options.lineNumbers) { - options.gutters = options.gutters.slice(0) - options.gutters.splice(found, 1) - } -} - -// Selection objects are immutable. A new one is created every time -// the selection changes. A selection is one or more non-overlapping -// (and non-touching) ranges, sorted, and an integer that indicates -// which one is the primary selection (the one that's scrolled into -// view, that getCursor returns, etc). -function Selection(ranges, primIndex) { - this.ranges = ranges - this.primIndex = primIndex -} - -Selection.prototype = { - primary: function() { return this.ranges[this.primIndex] }, - equals: function(other) { - var this$1 = this; - - if (other == this) { return true } - if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false } - for (var i = 0; i < this.ranges.length; i++) { - var here = this$1.ranges[i], there = other.ranges[i] - if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) { return false } - } - return true - }, - deepCopy: function() { - var this$1 = this; - - var out = [] - for (var i = 0; i < this.ranges.length; i++) - { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)) } - return new Selection(out, this.primIndex) - }, - somethingSelected: function() { - var this$1 = this; - - for (var i = 0; i < this.ranges.length; i++) - { if (!this$1.ranges[i].empty()) { return true } } - return false - }, - contains: function(pos, end) { - var this$1 = this; - - if (!end) { end = pos } - for (var i = 0; i < this.ranges.length; i++) { - var range = this$1.ranges[i] - if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) - { return i } - } - return -1 - } -} - -function Range(anchor, head) { - this.anchor = anchor; this.head = head -} - -Range.prototype = { - from: function() { return minPos(this.anchor, this.head) }, - to: function() { return maxPos(this.anchor, this.head) }, - empty: function() { - return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch - } -} - -// Take an unsorted, potentially overlapping set of ranges, and -// build a selection out of it. 'Consumes' ranges array (modifying -// it). -function normalizeSelection(ranges, primIndex) { - var prim = ranges[primIndex] - ranges.sort(function (a, b) { return cmp(a.from(), b.from()); }) - primIndex = indexOf(ranges, prim) - for (var i = 1; i < ranges.length; i++) { - var cur = ranges[i], prev = ranges[i - 1] - if (cmp(prev.to(), cur.from()) >= 0) { - var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()) - var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head - if (i <= primIndex) { --primIndex } - ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)) - } - } - return new Selection(ranges, primIndex) -} - -function simpleSelection(anchor, head) { - return new Selection([new Range(anchor, head || anchor)], 0) -} - -// Compute the position of the end of a change (its 'to' property -// refers to the pre-change end). -function changeEnd(change) { - if (!change.text) { return change.to } - return Pos(change.from.line + change.text.length - 1, - lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)) -} - -// Adjust a position to refer to the post-change position of the -// same text, or the end of the change if the change covers it. -function adjustForChange(pos, change) { - if (cmp(pos, change.from) < 0) { return pos } - if (cmp(pos, change.to) <= 0) { return changeEnd(change) } - - var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch - if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch } - return Pos(line, ch) -} - -function computeSelAfterChange(doc, change) { - var out = [] - for (var i = 0; i < doc.sel.ranges.length; i++) { - var range = doc.sel.ranges[i] - out.push(new Range(adjustForChange(range.anchor, change), - adjustForChange(range.head, change))) - } - return normalizeSelection(out, doc.sel.primIndex) -} - -function offsetPos(pos, old, nw) { - if (pos.line == old.line) - { return Pos(nw.line, pos.ch - old.ch + nw.ch) } - else - { return Pos(nw.line + (pos.line - old.line), pos.ch) } -} - -// Used by replaceSelections to allow moving the selection to the -// start or around the replaced test. Hint may be "start" or "around". -function computeReplacedSel(doc, changes, hint) { - var out = [] - var oldPrev = Pos(doc.first, 0), newPrev = oldPrev - for (var i = 0; i < changes.length; i++) { - var change = changes[i] - var from = offsetPos(change.from, oldPrev, newPrev) - var to = offsetPos(changeEnd(change), oldPrev, newPrev) - oldPrev = change.to - newPrev = to - if (hint == "around") { - var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0 - out[i] = new Range(inv ? to : from, inv ? from : to) - } else { - out[i] = new Range(from, from) - } - } - return new Selection(out, doc.sel.primIndex) -} - -// Used to get the editor into a consistent state again when options change. - -function loadMode(cm) { - cm.doc.mode = getMode(cm.options, cm.doc.modeOption) - resetModeState(cm) -} - -function resetModeState(cm) { - cm.doc.iter(function (line) { - if (line.stateAfter) { line.stateAfter = null } - if (line.styles) { line.styles = null } - }) - cm.doc.frontier = cm.doc.first - startWorker(cm, 100) - cm.state.modeGen++ - if (cm.curOp) { regChange(cm) } -} - -// DOCUMENT DATA STRUCTURE - -// By default, updates that start and end at the beginning of a line -// are treated specially, in order to make the association of line -// widgets and marker elements with the text behave more intuitive. -function isWholeLineUpdate(doc, change) { - return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && - (!doc.cm || doc.cm.options.wholeLineUpdateBefore) -} - -// Perform a change on the document data structure. -function updateDoc(doc, change, markedSpans, estimateHeight) { - function spansFor(n) {return markedSpans ? markedSpans[n] : null} - function update(line, text, spans) { - updateLine(line, text, spans, estimateHeight) - signalLater(line, "change", line, change) - } - function linesFor(start, end) { - var result = [] - for (var i = start; i < end; ++i) - { result.push(new Line(text[i], spansFor(i), estimateHeight)) } - return result - } - - var from = change.from, to = change.to, text = change.text - var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line) - var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line - - // Adjust the line structure - if (change.full) { - doc.insert(0, linesFor(0, text.length)) - doc.remove(text.length, doc.size - text.length) - } else if (isWholeLineUpdate(doc, change)) { - // This is a whole-line replace. Treated specially to make - // sure line objects move the way they are supposed to. - var added = linesFor(0, text.length - 1) - update(lastLine, lastLine.text, lastSpans) - if (nlines) { doc.remove(from.line, nlines) } - if (added.length) { doc.insert(from.line, added) } - } else if (firstLine == lastLine) { - if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans) - } else { - var added$1 = linesFor(1, text.length - 1) - added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)) - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)) - doc.insert(from.line + 1, added$1) - } - } else if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)) - doc.remove(from.line + 1, nlines) - } else { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)) - update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans) - var added$2 = linesFor(1, text.length - 1) - if (nlines > 1) { doc.remove(from.line + 1, nlines - 1) } - doc.insert(from.line + 1, added$2) - } - - signalLater(doc, "change", doc, change) -} - -// Call f for all linked documents. -function linkedDocs(doc, f, sharedHistOnly) { - function propagate(doc, skip, sharedHist) { - if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) { - var rel = doc.linked[i] - if (rel.doc == skip) { continue } - var shared = sharedHist && rel.sharedHist - if (sharedHistOnly && !shared) { continue } - f(rel.doc, shared) - propagate(rel.doc, doc, shared) - } } - } - propagate(doc, null, true) -} - -// Attach a document to an editor. -function attachDoc(cm, doc) { - if (doc.cm) { throw new Error("This document is already in use.") } - cm.doc = doc - doc.cm = cm - estimateLineHeights(cm) - loadMode(cm) - if (!cm.options.lineWrapping) { findMaxLine(cm) } - cm.options.mode = doc.modeOption - regChange(cm) -} - -function History(startGen) { - // Arrays of change events and selections. Doing something adds an - // event to done and clears undo. Undoing moves events from done - // to undone, redoing moves them in the other direction. - this.done = []; this.undone = [] - this.undoDepth = Infinity - // Used to track when changes can be merged into a single undo - // event - this.lastModTime = this.lastSelTime = 0 - this.lastOp = this.lastSelOp = null - this.lastOrigin = this.lastSelOrigin = null - // Used by the isClean() method - this.generation = this.maxGeneration = startGen || 1 -} - -// Create a history change event from an updateDoc-style change -// object. -function historyChangeFromChange(doc, change) { - var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)} - attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1) - linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true) - return histChange -} - -// Pop all selection events off the end of a history array. Stop at -// a change event. -function clearSelectionEvents(array) { - while (array.length) { - var last = lst(array) - if (last.ranges) { array.pop() } - else { break } - } -} - -// Find the top change event in the history. Pop off selection -// events that are in the way. -function lastChangeEvent(hist, force) { - if (force) { - clearSelectionEvents(hist.done) - return lst(hist.done) - } else if (hist.done.length && !lst(hist.done).ranges) { - return lst(hist.done) - } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { - hist.done.pop() - return lst(hist.done) - } -} - -// Register a change in the history. Merges changes that are within -// a single operation, or are close together with an origin that -// allows merging (starting with "+") into a single event. -function addChangeToHistory(doc, change, selAfter, opId) { - var hist = doc.history - hist.undone.length = 0 - var time = +new Date, cur - var last - - if ((hist.lastOp == opId || - hist.lastOrigin == change.origin && change.origin && - ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || - change.origin.charAt(0) == "*")) && - (cur = lastChangeEvent(hist, hist.lastOp == opId))) { - // Merge this change into the last event - last = lst(cur.changes) - if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { - // Optimized case for simple insertion -- don't want to add - // new changesets for every character typed - last.to = changeEnd(change) - } else { - // Add new sub-event - cur.changes.push(historyChangeFromChange(doc, change)) - } - } else { - // Can not be merged, start a new event. - var before = lst(hist.done) - if (!before || !before.ranges) - { pushSelectionToHistory(doc.sel, hist.done) } - cur = {changes: [historyChangeFromChange(doc, change)], - generation: hist.generation} - hist.done.push(cur) - while (hist.done.length > hist.undoDepth) { - hist.done.shift() - if (!hist.done[0].ranges) { hist.done.shift() } - } - } - hist.done.push(selAfter) - hist.generation = ++hist.maxGeneration - hist.lastModTime = hist.lastSelTime = time - hist.lastOp = hist.lastSelOp = opId - hist.lastOrigin = hist.lastSelOrigin = change.origin - - if (!last) { signal(doc, "historyAdded") } -} - -function selectionEventCanBeMerged(doc, origin, prev, sel) { - var ch = origin.charAt(0) - return ch == "*" || - ch == "+" && - prev.ranges.length == sel.ranges.length && - prev.somethingSelected() == sel.somethingSelected() && - new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500) -} - -// Called whenever the selection changes, sets the new selection as -// the pending selection in the history, and pushes the old pending -// selection into the 'done' array when it was significantly -// different (in number of selected ranges, emptiness, or time). -function addSelectionToHistory(doc, sel, opId, options) { - var hist = doc.history, origin = options && options.origin - - // A new event is started when the previous origin does not match - // the current, or the origins don't allow matching. Origins - // starting with * are always merged, those starting with + are - // merged when similar and close together in time. - if (opId == hist.lastSelOp || - (origin && hist.lastSelOrigin == origin && - (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || - selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) - { hist.done[hist.done.length - 1] = sel } - else - { pushSelectionToHistory(sel, hist.done) } - - hist.lastSelTime = +new Date - hist.lastSelOrigin = origin - hist.lastSelOp = opId - if (options && options.clearRedo !== false) - { clearSelectionEvents(hist.undone) } -} - -function pushSelectionToHistory(sel, dest) { - var top = lst(dest) - if (!(top && top.ranges && top.equals(sel))) - { dest.push(sel) } -} - -// Used to store marked span information in the history. -function attachLocalSpans(doc, change, from, to) { - var existing = change["spans_" + doc.id], n = 0 - doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) { - if (line.markedSpans) - { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans } - ++n - }) -} - -// When un/re-doing restores text containing marked spans, those -// that have been explicitly cleared should not be restored. -function removeClearedSpans(spans) { - if (!spans) { return null } - var out - for (var i = 0; i < spans.length; ++i) { - if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i) } } - else if (out) { out.push(spans[i]) } - } - return !out ? spans : out.length ? out : null -} - -// Retrieve and filter the old marked spans stored in a change event. -function getOldSpans(doc, change) { - var found = change["spans_" + doc.id] - if (!found) { return null } - var nw = [] - for (var i = 0; i < change.text.length; ++i) - { nw.push(removeClearedSpans(found[i])) } - return nw -} - -// Used for un/re-doing changes from the history. Combines the -// result of computing the existing spans with the set of spans that -// existed in the history (so that deleting around a span and then -// undoing brings back the span). -function mergeOldSpans(doc, change) { - var old = getOldSpans(doc, change) - var stretched = stretchSpansOverChange(doc, change) - if (!old) { return stretched } - if (!stretched) { return old } - - for (var i = 0; i < old.length; ++i) { - var oldCur = old[i], stretchCur = stretched[i] - if (oldCur && stretchCur) { - spans: for (var j = 0; j < stretchCur.length; ++j) { - var span = stretchCur[j] - for (var k = 0; k < oldCur.length; ++k) - { if (oldCur[k].marker == span.marker) { continue spans } } - oldCur.push(span) - } - } else if (stretchCur) { - old[i] = stretchCur - } - } - return old -} - -// Used both to provide a JSON-safe object in .getHistory, and, when -// detaching a document, to split the history in two -function copyHistoryArray(events, newGroup, instantiateSel) { - var copy = [] - for (var i = 0; i < events.length; ++i) { - var event = events[i] - if (event.ranges) { - copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event) - continue - } - var changes = event.changes, newChanges = [] - copy.push({changes: newChanges}) - for (var j = 0; j < changes.length; ++j) { - var change = changes[j], m = (void 0) - newChanges.push({from: change.from, to: change.to, text: change.text}) - if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) { - if (indexOf(newGroup, Number(m[1])) > -1) { - lst(newChanges)[prop] = change[prop] - delete change[prop] - } - } } } - } - } - return copy -} - -// The 'scroll' parameter given to many of these indicated whether -// the new cursor position should be scrolled into view after -// modifying the selection. - -// If shift is held or the extend flag is set, extends a range to -// include a given position (and optionally a second position). -// Otherwise, simply returns the range between the given positions. -// Used for cursor motion and such. -function extendRange(doc, range, head, other) { - if (doc.cm && doc.cm.display.shift || doc.extend) { - var anchor = range.anchor - if (other) { - var posBefore = cmp(head, anchor) < 0 - if (posBefore != (cmp(other, anchor) < 0)) { - anchor = head - head = other - } else if (posBefore != (cmp(head, other) < 0)) { - head = other - } - } - return new Range(anchor, head) - } else { - return new Range(other || head, head) - } -} - -// Extend the primary selection range, discard the rest. -function extendSelection(doc, head, other, options) { - setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options) -} - -// Extend all selections (pos is an array of selections with length -// equal the number of selections) -function extendSelections(doc, heads, options) { - var out = [] - for (var i = 0; i < doc.sel.ranges.length; i++) - { out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null) } - var newSel = normalizeSelection(out, doc.sel.primIndex) - setSelection(doc, newSel, options) -} - -// Updates a single range in the selection. -function replaceOneSelection(doc, i, range, options) { - var ranges = doc.sel.ranges.slice(0) - ranges[i] = range - setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options) -} - -// Reset the selection to a single range. -function setSimpleSelection(doc, anchor, head, options) { - setSelection(doc, simpleSelection(anchor, head), options) -} - -// Give beforeSelectionChange handlers a change to influence a -// selection update. -function filterSelectionChange(doc, sel, options) { - var obj = { - ranges: sel.ranges, - update: function(ranges) { - var this$1 = this; - - this.ranges = [] - for (var i = 0; i < ranges.length; i++) - { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), - clipPos(doc, ranges[i].head)) } - }, - origin: options && options.origin - } - signal(doc, "beforeSelectionChange", doc, obj) - if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj) } - if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) } - else { return sel } -} - -function setSelectionReplaceHistory(doc, sel, options) { - var done = doc.history.done, last = lst(done) - if (last && last.ranges) { - done[done.length - 1] = sel - setSelectionNoUndo(doc, sel, options) - } else { - setSelection(doc, sel, options) - } -} - -// Set a new selection. -function setSelection(doc, sel, options) { - setSelectionNoUndo(doc, sel, options) - addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options) -} - -function setSelectionNoUndo(doc, sel, options) { - if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) - { sel = filterSelectionChange(doc, sel, options) } - - var bias = options && options.bias || - (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1) - setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)) - - if (!(options && options.scroll === false) && doc.cm) - { ensureCursorVisible(doc.cm) } -} - -function setSelectionInner(doc, sel) { - if (sel.equals(doc.sel)) { return } - - doc.sel = sel - - if (doc.cm) { - doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true - signalCursorActivity(doc.cm) - } - signalLater(doc, "cursorActivity", doc) -} - -// Verify that the selection does not partially select any atomic -// marked ranges. -function reCheckSelection(doc) { - setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll) -} - -// Return a selection that does not partially select any atomic -// ranges. -function skipAtomicInSelection(doc, sel, bias, mayClear) { - var out - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i] - var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i] - var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear) - var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear) - if (out || newAnchor != range.anchor || newHead != range.head) { - if (!out) { out = sel.ranges.slice(0, i) } - out[i] = new Range(newAnchor, newHead) - } - } - return out ? normalizeSelection(out, sel.primIndex) : sel -} - -function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { - var line = getLine(doc, pos.line) - if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { - var sp = line.markedSpans[i], m = sp.marker - if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && - (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { - if (mayClear) { - signal(m, "beforeCursorEnter") - if (m.explicitlyCleared) { - if (!line.markedSpans) { break } - else {--i; continue} - } - } - if (!m.atomic) { continue } - - if (oldPos) { - var near = m.find(dir < 0 ? 1 : -1), diff = (void 0) - if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) - { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null) } - if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) - { return skipAtomicInner(doc, near, pos, dir, mayClear) } - } - - var far = m.find(dir < 0 ? -1 : 1) - if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) - { far = movePos(doc, far, dir, far.line == pos.line ? line : null) } - return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null - } - } } - return pos -} - -// Ensure a given position is not inside an atomic range. -function skipAtomic(doc, pos, oldPos, bias, mayClear) { - var dir = bias || 1 - var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || - skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)) - if (!found) { - doc.cantEdit = true - return Pos(doc.first, 0) - } - return found -} - -function movePos(doc, pos, dir, line) { - if (dir < 0 && pos.ch == 0) { - if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) } - else { return null } - } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { - if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) } - else { return null } - } else { - return new Pos(pos.line, pos.ch + dir) - } -} - -function selectAll(cm) { - cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll) -} - -// UPDATING - -// Allow "beforeChange" event handlers to influence a change -function filterChange(doc, change, update) { - var obj = { - canceled: false, - from: change.from, - to: change.to, - text: change.text, - origin: change.origin, - cancel: function () { return obj.canceled = true; } - } - if (update) { obj.update = function (from, to, text, origin) { - if (from) { obj.from = clipPos(doc, from) } - if (to) { obj.to = clipPos(doc, to) } - if (text) { obj.text = text } - if (origin !== undefined) { obj.origin = origin } - } } - signal(doc, "beforeChange", doc, obj) - if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj) } - - if (obj.canceled) { return null } - return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin} -} - -// Apply a change to a document, and add it to the document's -// history, and propagating it to all linked documents. -function makeChange(doc, change, ignoreReadOnly) { - if (doc.cm) { - if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) } - if (doc.cm.state.suppressEdits) { return } - } - - if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { - change = filterChange(doc, change, true) - if (!change) { return } - } - - // Possibly split or suppress the update based on the presence - // of read-only spans in its range. - var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to) - if (split) { - for (var i = split.length - 1; i >= 0; --i) - { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}) } - } else { - makeChangeInner(doc, change) - } -} - -function makeChangeInner(doc, change) { - if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return } - var selAfter = computeSelAfterChange(doc, change) - addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN) - - makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)) - var rebased = [] - - linkedDocs(doc, function (doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change) - rebased.push(doc.history) - } - makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)) - }) -} - -// Revert a change stored in a document's history. -function makeChangeFromHistory(doc, type, allowSelectionOnly) { - if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) { return } - - var hist = doc.history, event, selAfter = doc.sel - var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done - - // Verify that there is a useable event (so that ctrl-z won't - // needlessly clear selection events) - var i = 0 - for (; i < source.length; i++) { - event = source[i] - if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) - { break } - } - if (i == source.length) { return } - hist.lastOrigin = hist.lastSelOrigin = null - - for (;;) { - event = source.pop() - if (event.ranges) { - pushSelectionToHistory(event, dest) - if (allowSelectionOnly && !event.equals(doc.sel)) { - setSelection(doc, event, {clearRedo: false}) - return - } - selAfter = event - } - else { break } - } - - // Build up a reverse change object to add to the opposite history - // stack (redo when undoing, and vice versa). - var antiChanges = [] - pushSelectionToHistory(selAfter, dest) - dest.push({changes: antiChanges, generation: hist.generation}) - hist.generation = event.generation || ++hist.maxGeneration - - var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange") - - var loop = function ( i ) { - var change = event.changes[i] - change.origin = type - if (filter && !filterChange(doc, change, false)) { - source.length = 0 - return {} - } - - antiChanges.push(historyChangeFromChange(doc, change)) - - var after = i ? computeSelAfterChange(doc, change) : lst(source) - makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)) - if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}) } - var rebased = [] - - // Propagate to the linked documents - linkedDocs(doc, function (doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change) - rebased.push(doc.history) - } - makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)) - }) - }; - - for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) { - var returned = loop( i$1 ); - - if ( returned ) return returned.v; - } -} - -// Sub-views need their line numbers shifted when text is added -// above or below them in the parent document. -function shiftDoc(doc, distance) { - if (distance == 0) { return } - doc.first += distance - doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range( - Pos(range.anchor.line + distance, range.anchor.ch), - Pos(range.head.line + distance, range.head.ch) - ); }), doc.sel.primIndex) - if (doc.cm) { - regChange(doc.cm, doc.first, doc.first - distance, distance) - for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) - { regLineChange(doc.cm, l, "gutter") } - } -} - -// More lower-level change function, handling only a single document -// (not linked ones). -function makeChangeSingleDoc(doc, change, selAfter, spans) { - if (doc.cm && !doc.cm.curOp) - { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) } - - if (change.to.line < doc.first) { - shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)) - return - } - if (change.from.line > doc.lastLine()) { return } - - // Clip the change to the size of this doc - if (change.from.line < doc.first) { - var shift = change.text.length - 1 - (doc.first - change.from.line) - shiftDoc(doc, shift) - change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), - text: [lst(change.text)], origin: change.origin} - } - var last = doc.lastLine() - if (change.to.line > last) { - change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), - text: [change.text[0]], origin: change.origin} - } - - change.removed = getBetween(doc, change.from, change.to) - - if (!selAfter) { selAfter = computeSelAfterChange(doc, change) } - if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans) } - else { updateDoc(doc, change, spans) } - setSelectionNoUndo(doc, selAfter, sel_dontScroll) -} - -// Handle the interaction of a change to a document with the editor -// that this document is part of. -function makeChangeSingleDocInEditor(cm, change, spans) { - var doc = cm.doc, display = cm.display, from = change.from, to = change.to - - var recomputeMaxLength = false, checkWidthStart = from.line - if (!cm.options.lineWrapping) { - checkWidthStart = lineNo(visualLine(getLine(doc, from.line))) - doc.iter(checkWidthStart, to.line + 1, function (line) { - if (line == display.maxLine) { - recomputeMaxLength = true - return true - } - }) - } - - if (doc.sel.contains(change.from, change.to) > -1) - { signalCursorActivity(cm) } - - updateDoc(doc, change, spans, estimateHeight(cm)) - - if (!cm.options.lineWrapping) { - doc.iter(checkWidthStart, from.line + change.text.length, function (line) { - var len = lineLength(line) - if (len > display.maxLineLength) { - display.maxLine = line - display.maxLineLength = len - display.maxLineChanged = true - recomputeMaxLength = false - } - }) - if (recomputeMaxLength) { cm.curOp.updateMaxLine = true } - } - - // Adjust frontier, schedule worker - doc.frontier = Math.min(doc.frontier, from.line) - startWorker(cm, 400) - - var lendiff = change.text.length - (to.line - from.line) - 1 - // Remember that these lines changed, for updating the display - if (change.full) - { regChange(cm) } - else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) - { regLineChange(cm, from.line, "text") } - else - { regChange(cm, from.line, to.line + 1, lendiff) } - - var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change") - if (changeHandler || changesHandler) { - var obj = { - from: from, to: to, - text: change.text, - removed: change.removed, - origin: change.origin - } - if (changeHandler) { signalLater(cm, "change", cm, obj) } - if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj) } - } - cm.display.selForContextMenu = null -} - -function replaceRange(doc, code, from, to, origin) { - if (!to) { to = from } - if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp } - if (typeof code == "string") { code = doc.splitLines(code) } - makeChange(doc, {from: from, to: to, text: code, origin: origin}) -} - -// Rebasing/resetting history to deal with externally-sourced changes - -function rebaseHistSelSingle(pos, from, to, diff) { - if (to < pos.line) { - pos.line += diff - } else if (from < pos.line) { - pos.line = from - pos.ch = 0 - } -} - -// Tries to rebase an array of history events given a change in the -// document. If the change touches the same lines as the event, the -// event, and everything 'behind' it, is discarded. If the change is -// before the event, the event's positions are updated. Uses a -// copy-on-write scheme for the positions, to avoid having to -// reallocate them all on every rebase, but also avoid problems with -// shared position objects being unsafely updated. -function rebaseHistArray(array, from, to, diff) { - for (var i = 0; i < array.length; ++i) { - var sub = array[i], ok = true - if (sub.ranges) { - if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true } - for (var j = 0; j < sub.ranges.length; j++) { - rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff) - rebaseHistSelSingle(sub.ranges[j].head, from, to, diff) - } - continue - } - for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) { - var cur = sub.changes[j$1] - if (to < cur.from.line) { - cur.from = Pos(cur.from.line + diff, cur.from.ch) - cur.to = Pos(cur.to.line + diff, cur.to.ch) - } else if (from <= cur.to.line) { - ok = false - break - } - } - if (!ok) { - array.splice(0, i + 1) - i = 0 - } - } -} - -function rebaseHist(hist, change) { - var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1 - rebaseHistArray(hist.done, from, to, diff) - rebaseHistArray(hist.undone, from, to, diff) -} - -// Utility for applying a change to a line by handle or number, -// returning the number and optionally registering the line as -// changed. -function changeLine(doc, handle, changeType, op) { - var no = handle, line = handle - if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)) } - else { no = lineNo(handle) } - if (no == null) { return null } - if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType) } - return line -} - -// The document is represented as a BTree consisting of leaves, with -// chunk of lines in them, and branches, with up to ten leaves or -// other branch nodes below them. The top node is always a branch -// node, and is the document object itself (meaning it has -// additional methods and properties). -// -// All nodes have parent links. The tree is used both to go from -// line numbers to line objects, and to go from objects to numbers. -// It also indexes by height, and is used to convert between height -// and line object, and to find the total height of the document. -// -// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html - -function LeafChunk(lines) { - var this$1 = this; - - this.lines = lines - this.parent = null - var height = 0 - for (var i = 0; i < lines.length; ++i) { - lines[i].parent = this$1 - height += lines[i].height - } - this.height = height -} - -LeafChunk.prototype = { - chunkSize: function() { return this.lines.length }, - // Remove the n lines at offset 'at'. - removeInner: function(at, n) { - var this$1 = this; - - for (var i = at, e = at + n; i < e; ++i) { - var line = this$1.lines[i] - this$1.height -= line.height - cleanUpLine(line) - signalLater(line, "delete") - } - this.lines.splice(at, n) - }, - // Helper used to collapse a small branch into a single leaf. - collapse: function(lines) { - lines.push.apply(lines, this.lines) - }, - // Insert the given array of lines at offset 'at', count them as - // having the given height. - insertInner: function(at, lines, height) { - var this$1 = this; - - this.height += height - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)) - for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1 } - }, - // Used to iterate over a part of the tree. - iterN: function(at, n, op) { - var this$1 = this; - - for (var e = at + n; at < e; ++at) - { if (op(this$1.lines[at])) { return true } } - } -} - -function BranchChunk(children) { - var this$1 = this; - - this.children = children - var size = 0, height = 0 - for (var i = 0; i < children.length; ++i) { - var ch = children[i] - size += ch.chunkSize(); height += ch.height - ch.parent = this$1 - } - this.size = size - this.height = height - this.parent = null -} - -BranchChunk.prototype = { - chunkSize: function() { return this.size }, - removeInner: function(at, n) { - var this$1 = this; - - this.size -= n - for (var i = 0; i < this.children.length; ++i) { - var child = this$1.children[i], sz = child.chunkSize() - if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height - child.removeInner(at, rm) - this$1.height -= oldHeight - child.height - if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null } - if ((n -= rm) == 0) { break } - at = 0 - } else { at -= sz } - } - // If the result is smaller than 25 lines, ensure that it is a - // single leaf node. - if (this.size - n < 25 && - (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { - var lines = [] - this.collapse(lines) - this.children = [new LeafChunk(lines)] - this.children[0].parent = this - } - }, - collapse: function(lines) { - var this$1 = this; - - for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines) } - }, - insertInner: function(at, lines, height) { - var this$1 = this; - - this.size += lines.length - this.height += height - for (var i = 0; i < this.children.length; ++i) { - var child = this$1.children[i], sz = child.chunkSize() - if (at <= sz) { - child.insertInner(at, lines, height) - if (child.lines && child.lines.length > 50) { - // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. - // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. - var remaining = child.lines.length % 25 + 25 - for (var pos = remaining; pos < child.lines.length;) { - var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)) - child.height -= leaf.height - this$1.children.splice(++i, 0, leaf) - leaf.parent = this$1 - } - child.lines = child.lines.slice(0, remaining) - this$1.maybeSpill() - } - break - } - at -= sz - } - }, - // When a node has grown, check whether it should be split. - maybeSpill: function() { - if (this.children.length <= 10) { return } - var me = this - do { - var spilled = me.children.splice(me.children.length - 5, 5) - var sibling = new BranchChunk(spilled) - if (!me.parent) { // Become the parent node - var copy = new BranchChunk(me.children) - copy.parent = me - me.children = [copy, sibling] - me = copy - } else { - me.size -= sibling.size - me.height -= sibling.height - var myIndex = indexOf(me.parent.children, me) - me.parent.children.splice(myIndex + 1, 0, sibling) - } - sibling.parent = me.parent - } while (me.children.length > 10) - me.parent.maybeSpill() - }, - iterN: function(at, n, op) { - var this$1 = this; - - for (var i = 0; i < this.children.length; ++i) { - var child = this$1.children[i], sz = child.chunkSize() - if (at < sz) { - var used = Math.min(n, sz - at) - if (child.iterN(at, used, op)) { return true } - if ((n -= used) == 0) { break } - at = 0 - } else { at -= sz } - } - } -} - -// Line widgets are block elements displayed above or below a line. - -function LineWidget(doc, node, options) { - var this$1 = this; - - if (options) { for (var opt in options) { if (options.hasOwnProperty(opt)) - { this$1[opt] = options[opt] } } } - this.doc = doc - this.node = node -} -eventMixin(LineWidget) - -function adjustScrollWhenAboveVisible(cm, line, diff) { - if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) - { addToScrollPos(cm, null, diff) } -} - -LineWidget.prototype.clear = function() { - var this$1 = this; - - var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line) - if (no == null || !ws) { return } - for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1) } } - if (!ws.length) { line.widgets = null } - var height = widgetHeight(this) - updateLineHeight(line, Math.max(0, line.height - height)) - if (cm) { runInOp(cm, function () { - adjustScrollWhenAboveVisible(cm, line, -height) - regLineChange(cm, no, "widget") - }) } -} -LineWidget.prototype.changed = function() { - var oldH = this.height, cm = this.doc.cm, line = this.line - this.height = null - var diff = widgetHeight(this) - oldH - if (!diff) { return } - updateLineHeight(line, line.height + diff) - if (cm) { runInOp(cm, function () { - cm.curOp.forceUpdate = true - adjustScrollWhenAboveVisible(cm, line, diff) - }) } -} - -function addLineWidget(doc, handle, node, options) { - var widget = new LineWidget(doc, node, options) - var cm = doc.cm - if (cm && widget.noHScroll) { cm.display.alignWidgets = true } - changeLine(doc, handle, "widget", function (line) { - var widgets = line.widgets || (line.widgets = []) - if (widget.insertAt == null) { widgets.push(widget) } - else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget) } - widget.line = line - if (cm && !lineIsHidden(doc, line)) { - var aboveVisible = heightAtLine(line) < doc.scrollTop - updateLineHeight(line, line.height + widgetHeight(widget)) - if (aboveVisible) { addToScrollPos(cm, null, widget.height) } - cm.curOp.forceUpdate = true - } - return true - }) - return widget -} - -// TEXTMARKERS - -// Created with markText and setBookmark methods. A TextMarker is a -// handle that can be used to clear or find a marked position in the -// document. Line objects hold arrays (markedSpans) containing -// {from, to, marker} object pointing to such marker objects, and -// indicating that such a marker is present on that line. Multiple -// lines may point to the same marker when it spans across lines. -// The spans will have null for their from/to properties when the -// marker continues beyond the start/end of the line. Markers have -// links back to the lines they currently touch. - -// Collapsed markers have unique ids, in order to be able to order -// them, which is needed for uniquely determining an outer marker -// when they overlap (they may nest, but not partially overlap). -var nextMarkerId = 0 - -function TextMarker(doc, type) { - this.lines = [] - this.type = type - this.doc = doc - this.id = ++nextMarkerId -} -eventMixin(TextMarker) - -// Clear the marker. -TextMarker.prototype.clear = function() { - var this$1 = this; - - if (this.explicitlyCleared) { return } - var cm = this.doc.cm, withOp = cm && !cm.curOp - if (withOp) { startOperation(cm) } - if (hasHandler(this, "clear")) { - var found = this.find() - if (found) { signalLater(this, "clear", found.from, found.to) } - } - var min = null, max = null - for (var i = 0; i < this.lines.length; ++i) { - var line = this$1.lines[i] - var span = getMarkedSpanFor(line.markedSpans, this$1) - if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text") } - else if (cm) { - if (span.to != null) { max = lineNo(line) } - if (span.from != null) { min = lineNo(line) } - } - line.markedSpans = removeMarkedSpan(line.markedSpans, span) - if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm) - { updateLineHeight(line, textHeight(cm.display)) } - } - if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) { - var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual) - if (len > cm.display.maxLineLength) { - cm.display.maxLine = visual - cm.display.maxLineLength = len - cm.display.maxLineChanged = true - } - } } - - if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1) } - this.lines.length = 0 - this.explicitlyCleared = true - if (this.atomic && this.doc.cantEdit) { - this.doc.cantEdit = false - if (cm) { reCheckSelection(cm.doc) } - } - if (cm) { signalLater(cm, "markerCleared", cm, this) } - if (withOp) { endOperation(cm) } - if (this.parent) { this.parent.clear() } -} - -// Find the position of the marker in the document. Returns a {from, -// to} object by default. Side can be passed to get a specific side -// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the -// Pos objects returned contain a line object, rather than a line -// number (used to prevent looking up the same line twice). -TextMarker.prototype.find = function(side, lineObj) { - var this$1 = this; - - if (side == null && this.type == "bookmark") { side = 1 } - var from, to - for (var i = 0; i < this.lines.length; ++i) { - var line = this$1.lines[i] - var span = getMarkedSpanFor(line.markedSpans, this$1) - if (span.from != null) { - from = Pos(lineObj ? line : lineNo(line), span.from) - if (side == -1) { return from } - } - if (span.to != null) { - to = Pos(lineObj ? line : lineNo(line), span.to) - if (side == 1) { return to } - } - } - return from && {from: from, to: to} -} - -// Signals that the marker's widget changed, and surrounding layout -// should be recomputed. -TextMarker.prototype.changed = function() { - var pos = this.find(-1, true), widget = this, cm = this.doc.cm - if (!pos || !cm) { return } - runInOp(cm, function () { - var line = pos.line, lineN = lineNo(pos.line) - var view = findViewForLine(cm, lineN) - if (view) { - clearLineMeasurementCacheFor(view) - cm.curOp.selectionChanged = cm.curOp.forceUpdate = true - } - cm.curOp.updateMaxLine = true - if (!lineIsHidden(widget.doc, line) && widget.height != null) { - var oldHeight = widget.height - widget.height = null - var dHeight = widgetHeight(widget) - oldHeight - if (dHeight) - { updateLineHeight(line, line.height + dHeight) } - } - }) -} - -TextMarker.prototype.attachLine = function(line) { - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp - if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) - { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this) } - } - this.lines.push(line) -} -TextMarker.prototype.detachLine = function(line) { - this.lines.splice(indexOf(this.lines, line), 1) - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp - ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this) - } -} - -// Create a marker, wire it up to the right lines, and -function markText(doc, from, to, options, type) { - // Shared markers (across linked documents) are handled separately - // (markTextShared will call out to this again, once per - // document). - if (options && options.shared) { return markTextShared(doc, from, to, options, type) } - // Ensure we are in an operation. - if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) } - - var marker = new TextMarker(doc, type), diff = cmp(from, to) - if (options) { copyObj(options, marker, false) } - // Don't connect empty markers unless clearWhenEmpty is false - if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) - { return marker } - if (marker.replacedWith) { - // Showing up as a widget implies collapsed (widget replaces text) - marker.collapsed = true - marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget") - marker.widgetNode.setAttribute("role", "presentation") // hide from accessibility tree - if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true") } - if (options.insertLeft) { marker.widgetNode.insertLeft = true } - } - if (marker.collapsed) { - if (conflictingCollapsedRange(doc, from.line, from, to, marker) || - from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) - { throw new Error("Inserting collapsed marker partially overlapping an existing one") } - seeCollapsedSpans() - } - - if (marker.addToHistory) - { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN) } - - var curLine = from.line, cm = doc.cm, updateMaxLine - doc.iter(curLine, to.line + 1, function (line) { - if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) - { updateMaxLine = true } - if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0) } - addMarkedSpan(line, new MarkedSpan(marker, - curLine == from.line ? from.ch : null, - curLine == to.line ? to.ch : null)) - ++curLine - }) - // lineIsHidden depends on the presence of the spans, so needs a second pass - if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) { - if (lineIsHidden(doc, line)) { updateLineHeight(line, 0) } - }) } - - if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }) } - - if (marker.readOnly) { - seeReadOnlySpans() - if (doc.history.done.length || doc.history.undone.length) - { doc.clearHistory() } - } - if (marker.collapsed) { - marker.id = ++nextMarkerId - marker.atomic = true - } - if (cm) { - // Sync editor state - if (updateMaxLine) { cm.curOp.updateMaxLine = true } - if (marker.collapsed) - { regChange(cm, from.line, to.line + 1) } - else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) - { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text") } } - if (marker.atomic) { reCheckSelection(cm.doc) } - signalLater(cm, "markerAdded", cm, marker) - } - return marker -} - -// SHARED TEXTMARKERS - -// A shared marker spans multiple linked documents. It is -// implemented as a meta-marker-object controlling multiple normal -// markers. -function SharedTextMarker(markers, primary) { - var this$1 = this; - - this.markers = markers - this.primary = primary - for (var i = 0; i < markers.length; ++i) - { markers[i].parent = this$1 } -} -eventMixin(SharedTextMarker) - -SharedTextMarker.prototype.clear = function() { - var this$1 = this; - - if (this.explicitlyCleared) { return } - this.explicitlyCleared = true - for (var i = 0; i < this.markers.length; ++i) - { this$1.markers[i].clear() } - signalLater(this, "clear") -} -SharedTextMarker.prototype.find = function(side, lineObj) { - return this.primary.find(side, lineObj) -} - -function markTextShared(doc, from, to, options, type) { - options = copyObj(options) - options.shared = false - var markers = [markText(doc, from, to, options, type)], primary = markers[0] - var widget = options.widgetNode - linkedDocs(doc, function (doc) { - if (widget) { options.widgetNode = widget.cloneNode(true) } - markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)) - for (var i = 0; i < doc.linked.length; ++i) - { if (doc.linked[i].isParent) { return } } - primary = lst(markers) - }) - return new SharedTextMarker(markers, primary) -} - -function findSharedMarkers(doc) { - return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; }) -} - -function copySharedMarkers(doc, markers) { - for (var i = 0; i < markers.length; i++) { - var marker = markers[i], pos = marker.find() - var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to) - if (cmp(mFrom, mTo)) { - var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type) - marker.markers.push(subMark) - subMark.parent = marker - } - } -} - -function detachSharedMarkers(markers) { - var loop = function ( i ) { - var marker = markers[i], linked = [marker.primary.doc] - linkedDocs(marker.primary.doc, function (d) { return linked.push(d); }) - for (var j = 0; j < marker.markers.length; j++) { - var subMarker = marker.markers[j] - if (indexOf(linked, subMarker.doc) == -1) { - subMarker.parent = null - marker.markers.splice(j--, 1) - } - } - }; - - for (var i = 0; i < markers.length; i++) loop( i ); -} - -var nextDocId = 0 -var Doc = function(text, mode, firstLine, lineSep) { - if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep) } - if (firstLine == null) { firstLine = 0 } - - BranchChunk.call(this, [new LeafChunk([new Line("", null)])]) - this.first = firstLine - this.scrollTop = this.scrollLeft = 0 - this.cantEdit = false - this.cleanGeneration = 1 - this.frontier = firstLine - var start = Pos(firstLine, 0) - this.sel = simpleSelection(start) - this.history = new History(null) - this.id = ++nextDocId - this.modeOption = mode - this.lineSep = lineSep - this.extend = false - - if (typeof text == "string") { text = this.splitLines(text) } - updateDoc(this, {from: start, to: start, text: text}) - setSelection(this, simpleSelection(start), sel_dontScroll) -} - -Doc.prototype = createObj(BranchChunk.prototype, { - constructor: Doc, - // Iterate over the document. Supports two forms -- with only one - // argument, it calls that for each line in the document. With - // three, it iterates over the range given by the first two (with - // the second being non-inclusive). - iter: function(from, to, op) { - if (op) { this.iterN(from - this.first, to - from, op) } - else { this.iterN(this.first, this.first + this.size, from) } - }, - - // Non-public interface for adding and removing lines. - insert: function(at, lines) { - var height = 0 - for (var i = 0; i < lines.length; ++i) { height += lines[i].height } - this.insertInner(at - this.first, lines, height) - }, - remove: function(at, n) { this.removeInner(at - this.first, n) }, - - // From here, the methods are part of the public interface. Most - // are also available from CodeMirror (editor) instances. - - getValue: function(lineSep) { - var lines = getLines(this, this.first, this.first + this.size) - if (lineSep === false) { return lines } - return lines.join(lineSep || this.lineSeparator()) - }, - setValue: docMethodOp(function(code) { - var top = Pos(this.first, 0), last = this.first + this.size - 1 - makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), - text: this.splitLines(code), origin: "setValue", full: true}, true) - setSelection(this, simpleSelection(top)) - }), - replaceRange: function(code, from, to, origin) { - from = clipPos(this, from) - to = to ? clipPos(this, to) : from - replaceRange(this, code, from, to, origin) - }, - getRange: function(from, to, lineSep) { - var lines = getBetween(this, clipPos(this, from), clipPos(this, to)) - if (lineSep === false) { return lines } - return lines.join(lineSep || this.lineSeparator()) - }, - - getLine: function(line) {var l = this.getLineHandle(line); return l && l.text}, - - getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }}, - getLineNumber: function(line) {return lineNo(line)}, - - getLineHandleVisualStart: function(line) { - if (typeof line == "number") { line = getLine(this, line) } - return visualLine(line) - }, - - lineCount: function() {return this.size}, - firstLine: function() {return this.first}, - lastLine: function() {return this.first + this.size - 1}, - - clipPos: function(pos) {return clipPos(this, pos)}, - - getCursor: function(start) { - var range = this.sel.primary(), pos - if (start == null || start == "head") { pos = range.head } - else if (start == "anchor") { pos = range.anchor } - else if (start == "end" || start == "to" || start === false) { pos = range.to() } - else { pos = range.from() } - return pos - }, - listSelections: function() { return this.sel.ranges }, - somethingSelected: function() {return this.sel.somethingSelected()}, - - setCursor: docMethodOp(function(line, ch, options) { - setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options) - }), - setSelection: docMethodOp(function(anchor, head, options) { - setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options) - }), - extendSelection: docMethodOp(function(head, other, options) { - extendSelection(this, clipPos(this, head), other && clipPos(this, other), options) - }), - extendSelections: docMethodOp(function(heads, options) { - extendSelections(this, clipPosArray(this, heads), options) - }), - extendSelectionsBy: docMethodOp(function(f, options) { - var heads = map(this.sel.ranges, f) - extendSelections(this, clipPosArray(this, heads), options) - }), - setSelections: docMethodOp(function(ranges, primary, options) { - var this$1 = this; - - if (!ranges.length) { return } - var out = [] - for (var i = 0; i < ranges.length; i++) - { out[i] = new Range(clipPos(this$1, ranges[i].anchor), - clipPos(this$1, ranges[i].head)) } - if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex) } - setSelection(this, normalizeSelection(out, primary), options) - }), - addSelection: docMethodOp(function(anchor, head, options) { - var ranges = this.sel.ranges.slice(0) - ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))) - setSelection(this, normalizeSelection(ranges, ranges.length - 1), options) - }), - - getSelection: function(lineSep) { - var this$1 = this; - - var ranges = this.sel.ranges, lines - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()) - lines = lines ? lines.concat(sel) : sel - } - if (lineSep === false) { return lines } - else { return lines.join(lineSep || this.lineSeparator()) } - }, - getSelections: function(lineSep) { - var this$1 = this; - - var parts = [], ranges = this.sel.ranges - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()) - if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()) } - parts[i] = sel - } - return parts - }, - replaceSelection: function(code, collapse, origin) { - var dup = [] - for (var i = 0; i < this.sel.ranges.length; i++) - { dup[i] = code } - this.replaceSelections(dup, collapse, origin || "+input") - }, - replaceSelections: docMethodOp(function(code, collapse, origin) { - var this$1 = this; - - var changes = [], sel = this.sel - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i] - changes[i] = {from: range.from(), to: range.to(), text: this$1.splitLines(code[i]), origin: origin} - } - var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse) - for (var i$1 = changes.length - 1; i$1 >= 0; i$1--) - { makeChange(this$1, changes[i$1]) } - if (newSel) { setSelectionReplaceHistory(this, newSel) } - else if (this.cm) { ensureCursorVisible(this.cm) } - }), - undo: docMethodOp(function() {makeChangeFromHistory(this, "undo")}), - redo: docMethodOp(function() {makeChangeFromHistory(this, "redo")}), - undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true)}), - redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true)}), - - setExtending: function(val) {this.extend = val}, - getExtending: function() {return this.extend}, - - historySize: function() { - var hist = this.history, done = 0, undone = 0 - for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done } } - for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone } } - return {undo: done, redo: undone} - }, - clearHistory: function() {this.history = new History(this.history.maxGeneration)}, - - markClean: function() { - this.cleanGeneration = this.changeGeneration(true) - }, - changeGeneration: function(forceSplit) { - if (forceSplit) - { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null } - return this.history.generation - }, - isClean: function (gen) { - return this.history.generation == (gen || this.cleanGeneration) - }, - - getHistory: function() { - return {done: copyHistoryArray(this.history.done), - undone: copyHistoryArray(this.history.undone)} - }, - setHistory: function(histData) { - var hist = this.history = new History(this.history.maxGeneration) - hist.done = copyHistoryArray(histData.done.slice(0), null, true) - hist.undone = copyHistoryArray(histData.undone.slice(0), null, true) - }, - - setGutterMarker: docMethodOp(function(line, gutterID, value) { - return changeLine(this, line, "gutter", function (line) { - var markers = line.gutterMarkers || (line.gutterMarkers = {}) - markers[gutterID] = value - if (!value && isEmpty(markers)) { line.gutterMarkers = null } - return true - }) - }), - - clearGutter: docMethodOp(function(gutterID) { - var this$1 = this; - - this.iter(function (line) { - if (line.gutterMarkers && line.gutterMarkers[gutterID]) { - changeLine(this$1, line, "gutter", function () { - line.gutterMarkers[gutterID] = null - if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null } - return true - }) - } - }) - }), - - lineInfo: function(line) { - var n - if (typeof line == "number") { - if (!isLine(this, line)) { return null } - n = line - line = getLine(this, line) - if (!line) { return null } - } else { - n = lineNo(line) - if (n == null) { return null } - } - return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, - textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, - widgets: line.widgets} - }, - - addLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass" - if (!line[prop]) { line[prop] = cls } - else if (classTest(cls).test(line[prop])) { return false } - else { line[prop] += " " + cls } - return true - }) - }), - removeLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass" - var cur = line[prop] - if (!cur) { return false } - else if (cls == null) { line[prop] = null } - else { - var found = cur.match(classTest(cls)) - if (!found) { return false } - var end = found.index + found[0].length - line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null - } - return true - }) - }), - - addLineWidget: docMethodOp(function(handle, node, options) { - return addLineWidget(this, handle, node, options) - }), - removeLineWidget: function(widget) { widget.clear() }, - - markText: function(from, to, options) { - return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range") - }, - setBookmark: function(pos, options) { - var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), - insertLeft: options && options.insertLeft, - clearWhenEmpty: false, shared: options && options.shared, - handleMouseEvents: options && options.handleMouseEvents} - pos = clipPos(this, pos) - return markText(this, pos, pos, realOpts, "bookmark") - }, - findMarksAt: function(pos) { - pos = clipPos(this, pos) - var markers = [], spans = getLine(this, pos.line).markedSpans - if (spans) { for (var i = 0; i < spans.length; ++i) { - var span = spans[i] - if ((span.from == null || span.from <= pos.ch) && - (span.to == null || span.to >= pos.ch)) - { markers.push(span.marker.parent || span.marker) } - } } - return markers - }, - findMarks: function(from, to, filter) { - from = clipPos(this, from); to = clipPos(this, to) - var found = [], lineNo = from.line - this.iter(from.line, to.line + 1, function (line) { - var spans = line.markedSpans - if (spans) { for (var i = 0; i < spans.length; i++) { - var span = spans[i] - if (!(span.to != null && lineNo == from.line && from.ch >= span.to || - span.from == null && lineNo != from.line || - span.from != null && lineNo == to.line && span.from >= to.ch) && - (!filter || filter(span.marker))) - { found.push(span.marker.parent || span.marker) } - } } - ++lineNo - }) - return found - }, - getAllMarks: function() { - var markers = [] - this.iter(function (line) { - var sps = line.markedSpans - if (sps) { for (var i = 0; i < sps.length; ++i) - { if (sps[i].from != null) { markers.push(sps[i].marker) } } } - }) - return markers - }, - - posFromIndex: function(off) { - var ch, lineNo = this.first, sepSize = this.lineSeparator().length - this.iter(function (line) { - var sz = line.text.length + sepSize - if (sz > off) { ch = off; return true } - off -= sz - ++lineNo - }) - return clipPos(this, Pos(lineNo, ch)) - }, - indexFromPos: function (coords) { - coords = clipPos(this, coords) - var index = coords.ch - if (coords.line < this.first || coords.ch < 0) { return 0 } - var sepSize = this.lineSeparator().length - this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value - index += line.text.length + sepSize - }) - return index - }, - - copy: function(copyHistory) { - var doc = new Doc(getLines(this, this.first, this.first + this.size), - this.modeOption, this.first, this.lineSep) - doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft - doc.sel = this.sel - doc.extend = false - if (copyHistory) { - doc.history.undoDepth = this.history.undoDepth - doc.setHistory(this.getHistory()) - } - return doc - }, - - linkedDoc: function(options) { - if (!options) { options = {} } - var from = this.first, to = this.first + this.size - if (options.from != null && options.from > from) { from = options.from } - if (options.to != null && options.to < to) { to = options.to } - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep) - if (options.sharedHist) { copy.history = this.history - ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}) - copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}] - copySharedMarkers(copy, findSharedMarkers(this)) - return copy - }, - unlinkDoc: function(other) { - var this$1 = this; - - if (other instanceof CodeMirror) { other = other.doc } - if (this.linked) { for (var i = 0; i < this.linked.length; ++i) { - var link = this$1.linked[i] - if (link.doc != other) { continue } - this$1.linked.splice(i, 1) - other.unlinkDoc(this$1) - detachSharedMarkers(findSharedMarkers(this$1)) - break - } } - // If the histories were shared, split them again - if (other.history == this.history) { - var splitIds = [other.id] - linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true) - other.history = new History(null) - other.history.done = copyHistoryArray(this.history.done, splitIds) - other.history.undone = copyHistoryArray(this.history.undone, splitIds) - } - }, - iterLinkedDocs: function(f) {linkedDocs(this, f)}, - - getMode: function() {return this.mode}, - getEditor: function() {return this.cm}, - - splitLines: function(str) { - if (this.lineSep) { return str.split(this.lineSep) } - return splitLinesAuto(str) - }, - lineSeparator: function() { return this.lineSep || "\n" } -}) - -// Public alias. -Doc.prototype.eachLine = Doc.prototype.iter - -// Kludge to work around strange IE behavior where it'll sometimes -// re-fire a series of drag-related events right after the drop (#1551) -var lastDrop = 0 - -function onDrop(e) { - var cm = this - clearDragCursor(cm) - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) - { return } - e_preventDefault(e) - if (ie) { lastDrop = +new Date } - var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files - if (!pos || cm.isReadOnly()) { return } - // Might be a file drop, in which case we simply extract the text - // and insert it. - if (files && files.length && window.FileReader && window.File) { - var n = files.length, text = Array(n), read = 0 - var loadFile = function (file, i) { - if (cm.options.allowDropFileTypes && - indexOf(cm.options.allowDropFileTypes, file.type) == -1) - { return } - - var reader = new FileReader - reader.onload = operation(cm, function () { - var content = reader.result - if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = "" } - text[i] = content - if (++read == n) { - pos = clipPos(cm.doc, pos) - var change = {from: pos, to: pos, - text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), - origin: "paste"} - makeChange(cm.doc, change) - setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))) - } - }) - reader.readAsText(file) - } - for (var i = 0; i < n; ++i) { loadFile(files[i], i) } - } else { // Normal drop - // Don't do a replace if the drop happened inside of the selected text. - if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { - cm.state.draggingText(e) - // Ensure the editor is re-focused - setTimeout(function () { return cm.display.input.focus(); }, 20) - return - } - try { - var text$1 = e.dataTransfer.getData("Text") - if (text$1) { - var selected - if (cm.state.draggingText && !cm.state.draggingText.copy) - { selected = cm.listSelections() } - setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)) - if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1) - { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag") } } - cm.replaceSelection(text$1, "around", "paste") - cm.display.input.focus() - } - } - catch(e){} - } -} - -function onDragStart(cm, e) { - if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return } - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return } - - e.dataTransfer.setData("Text", cm.getSelection()) - e.dataTransfer.effectAllowed = "copyMove" - - // Use dummy image instead of default browsers image. - // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. - if (e.dataTransfer.setDragImage && !safari) { - var img = elt("img", null, null, "position: fixed; left: 0; top: 0;") - img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" - if (presto) { - img.width = img.height = 1 - cm.display.wrapper.appendChild(img) - // Force a relayout, or Opera won't use our image for some obscure reason - img._top = img.offsetTop - } - e.dataTransfer.setDragImage(img, 0, 0) - if (presto) { img.parentNode.removeChild(img) } - } -} - -function onDragOver(cm, e) { - var pos = posFromMouse(cm, e) - if (!pos) { return } - var frag = document.createDocumentFragment() - drawSelectionCursor(cm, pos, frag) - if (!cm.display.dragCursor) { - cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors") - cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv) - } - removeChildrenAndAdd(cm.display.dragCursor, frag) -} - -function clearDragCursor(cm) { - if (cm.display.dragCursor) { - cm.display.lineSpace.removeChild(cm.display.dragCursor) - cm.display.dragCursor = null - } -} - -// These must be handled carefully, because naively registering a -// handler for each editor will cause the editors to never be -// garbage collected. - -function forEachCodeMirror(f) { - if (!document.body.getElementsByClassName) { return } - var byClass = document.body.getElementsByClassName("CodeMirror") - for (var i = 0; i < byClass.length; i++) { - var cm = byClass[i].CodeMirror - if (cm) { f(cm) } - } -} - -var globalsRegistered = false -function ensureGlobalHandlers() { - if (globalsRegistered) { return } - registerGlobalHandlers() - globalsRegistered = true -} -function registerGlobalHandlers() { - // When the window resizes, we need to refresh active editors. - var resizeTimer - on(window, "resize", function () { - if (resizeTimer == null) { resizeTimer = setTimeout(function () { - resizeTimer = null - forEachCodeMirror(onResize) - }, 100) } - }) - // When the window loses focus, we want to show the editor as blurred - on(window, "blur", function () { return forEachCodeMirror(onBlur); }) -} -// Called when the window resizes -function onResize(cm) { - var d = cm.display - if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) - { return } - // Might be a text scaling operation, clear size caches. - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null - d.scrollbarsClipped = false - cm.setSize() -} - -var keyNames = { - 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", - 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", - 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", - 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" -} - -// Number keys -for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i) } -// Alphabetic keys -for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1) } -// Function keys -for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2 } - -var keyMap = {} - -keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", - "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", - "Esc": "singleSelection" -} -// Note that the save and find-related commands aren't defined by -// default. User code or addons can define them. Unknown commands -// are simply ignored. -keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", - "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", - fallthrough: "basic" -} -// Very basic readline/emacs-style bindings, which are standard on Mac. -keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", - "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars", - "Ctrl-O": "openLine" -} -keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", - "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", - "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", - "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", - fallthrough: ["basic", "emacsy"] -} -keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault - -// KEYMAP DISPATCH - -function normalizeKeyName(name) { - var parts = name.split(/-(?!$)/) - name = parts[parts.length - 1] - var alt, ctrl, shift, cmd - for (var i = 0; i < parts.length - 1; i++) { - var mod = parts[i] - if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true } - else if (/^a(lt)?$/i.test(mod)) { alt = true } - else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true } - else if (/^s(hift)?$/i.test(mod)) { shift = true } - else { throw new Error("Unrecognized modifier name: " + mod) } - } - if (alt) { name = "Alt-" + name } - if (ctrl) { name = "Ctrl-" + name } - if (cmd) { name = "Cmd-" + name } - if (shift) { name = "Shift-" + name } - return name -} - -// This is a kludge to keep keymaps mostly working as raw objects -// (backwards compatibility) while at the same time support features -// like normalization and multi-stroke key bindings. It compiles a -// new normalized keymap, and then updates the old object to reflect -// this. -function normalizeKeyMap(keymap) { - var copy = {} - for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) { - var value = keymap[keyname] - if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue } - if (value == "...") { delete keymap[keyname]; continue } - - var keys = map(keyname.split(" "), normalizeKeyName) - for (var i = 0; i < keys.length; i++) { - var val = (void 0), name = (void 0) - if (i == keys.length - 1) { - name = keys.join(" ") - val = value - } else { - name = keys.slice(0, i + 1).join(" ") - val = "..." - } - var prev = copy[name] - if (!prev) { copy[name] = val } - else if (prev != val) { throw new Error("Inconsistent bindings for " + name) } - } - delete keymap[keyname] - } } - for (var prop in copy) { keymap[prop] = copy[prop] } - return keymap -} - -function lookupKey(key, map, handle, context) { - map = getKeyMap(map) - var found = map.call ? map.call(key, context) : map[key] - if (found === false) { return "nothing" } - if (found === "...") { return "multi" } - if (found != null && handle(found)) { return "handled" } - - if (map.fallthrough) { - if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") - { return lookupKey(key, map.fallthrough, handle, context) } - for (var i = 0; i < map.fallthrough.length; i++) { - var result = lookupKey(key, map.fallthrough[i], handle, context) - if (result) { return result } - } - } -} - -// Modifier key presses don't count as 'real' key presses for the -// purpose of keymap fallthrough. -function isModifierKey(value) { - var name = typeof value == "string" ? value : keyNames[value.keyCode] - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod" -} - -// Look up the name of a key as indicated by an event object. -function keyName(event, noShift) { - if (presto && event.keyCode == 34 && event["char"]) { return false } - var base = keyNames[event.keyCode], name = base - if (name == null || event.altGraphKey) { return false } - if (event.altKey && base != "Alt") { name = "Alt-" + name } - if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name } - if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name } - if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name } - return name -} - -function getKeyMap(val) { - return typeof val == "string" ? keyMap[val] : val -} - -// Helper for deleting text near the selection(s), used to implement -// backspace, delete, and similar functionality. -function deleteNearSelection(cm, compute) { - var ranges = cm.doc.sel.ranges, kill = [] - // Build up a set of ranges to kill first, merging overlapping - // ranges. - for (var i = 0; i < ranges.length; i++) { - var toKill = compute(ranges[i]) - while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { - var replaced = kill.pop() - if (cmp(replaced.from, toKill.from) < 0) { - toKill.from = replaced.from - break - } - } - kill.push(toKill) - } - // Next, remove those actual ranges. - runInOp(cm, function () { - for (var i = kill.length - 1; i >= 0; i--) - { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete") } - ensureCursorVisible(cm) - }) -} - -// Commands are parameter-less actions that can be performed on an -// editor, mostly used for keybindings. -var commands = { - selectAll: selectAll, - singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); }, - killLine: function (cm) { return deleteNearSelection(cm, function (range) { - if (range.empty()) { - var len = getLine(cm.doc, range.head.line).text.length - if (range.head.ch == len && range.head.line < cm.lastLine()) - { return {from: range.head, to: Pos(range.head.line + 1, 0)} } - else - { return {from: range.head, to: Pos(range.head.line, len)} } - } else { - return {from: range.from(), to: range.to()} - } - }); }, - deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({ - from: Pos(range.from().line, 0), - to: clipPos(cm.doc, Pos(range.to().line + 1, 0)) - }); }); }, - delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({ - from: Pos(range.from().line, 0), to: range.from() - }); }); }, - delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { - var top = cm.charCoords(range.head, "div").top + 5 - var leftPos = cm.coordsChar({left: 0, top: top}, "div") - return {from: leftPos, to: range.from()} - }); }, - delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) { - var top = cm.charCoords(range.head, "div").top + 5 - var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") - return {from: range.from(), to: rightPos } - }); }, - undo: function (cm) { return cm.undo(); }, - redo: function (cm) { return cm.redo(); }, - undoSelection: function (cm) { return cm.undoSelection(); }, - redoSelection: function (cm) { return cm.redoSelection(); }, - goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); }, - goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); }, - goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); }, - {origin: "+move", bias: 1} - ); }, - goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); }, - {origin: "+move", bias: 1} - ); }, - goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); }, - {origin: "+move", bias: -1} - ); }, - goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) { - var top = cm.charCoords(range.head, "div").top + 5 - return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") - }, sel_move); }, - goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) { - var top = cm.charCoords(range.head, "div").top + 5 - return cm.coordsChar({left: 0, top: top}, "div") - }, sel_move); }, - goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) { - var top = cm.charCoords(range.head, "div").top + 5 - var pos = cm.coordsChar({left: 0, top: top}, "div") - if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) } - return pos - }, sel_move); }, - goLineUp: function (cm) { return cm.moveV(-1, "line"); }, - goLineDown: function (cm) { return cm.moveV(1, "line"); }, - goPageUp: function (cm) { return cm.moveV(-1, "page"); }, - goPageDown: function (cm) { return cm.moveV(1, "page"); }, - goCharLeft: function (cm) { return cm.moveH(-1, "char"); }, - goCharRight: function (cm) { return cm.moveH(1, "char"); }, - goColumnLeft: function (cm) { return cm.moveH(-1, "column"); }, - goColumnRight: function (cm) { return cm.moveH(1, "column"); }, - goWordLeft: function (cm) { return cm.moveH(-1, "word"); }, - goGroupRight: function (cm) { return cm.moveH(1, "group"); }, - goGroupLeft: function (cm) { return cm.moveH(-1, "group"); }, - goWordRight: function (cm) { return cm.moveH(1, "word"); }, - delCharBefore: function (cm) { return cm.deleteH(-1, "char"); }, - delCharAfter: function (cm) { return cm.deleteH(1, "char"); }, - delWordBefore: function (cm) { return cm.deleteH(-1, "word"); }, - delWordAfter: function (cm) { return cm.deleteH(1, "word"); }, - delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); }, - delGroupAfter: function (cm) { return cm.deleteH(1, "group"); }, - indentAuto: function (cm) { return cm.indentSelection("smart"); }, - indentMore: function (cm) { return cm.indentSelection("add"); }, - indentLess: function (cm) { return cm.indentSelection("subtract"); }, - insertTab: function (cm) { return cm.replaceSelection("\t"); }, - insertSoftTab: function (cm) { - var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize - for (var i = 0; i < ranges.length; i++) { - var pos = ranges[i].from() - var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize) - spaces.push(spaceStr(tabSize - col % tabSize)) - } - cm.replaceSelections(spaces) - }, - defaultTab: function (cm) { - if (cm.somethingSelected()) { cm.indentSelection("add") } - else { cm.execCommand("insertTab") } - }, - // Swap the two chars left and right of each selection's head. - // Move cursor behind the two swapped characters afterwards. - // - // Doesn't consider line feeds a character. - // Doesn't scan more than one line above to find a character. - // Doesn't do anything on an empty line. - // Doesn't do anything with non-empty selections. - transposeChars: function (cm) { return runInOp(cm, function () { - var ranges = cm.listSelections(), newSel = [] - for (var i = 0; i < ranges.length; i++) { - if (!ranges[i].empty()) { continue } - var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text - if (line) { - if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1) } - if (cur.ch > 0) { - cur = new Pos(cur.line, cur.ch + 1) - cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), - Pos(cur.line, cur.ch - 2), cur, "+transpose") - } else if (cur.line > cm.doc.first) { - var prev = getLine(cm.doc, cur.line - 1).text - if (prev) { - cur = new Pos(cur.line, 1) - cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + - prev.charAt(prev.length - 1), - Pos(cur.line - 1, prev.length - 1), cur, "+transpose") - } - } - } - newSel.push(new Range(cur, cur)) - } - cm.setSelections(newSel) - }); }, - newlineAndIndent: function (cm) { return runInOp(cm, function () { - var sels = cm.listSelections() - for (var i = sels.length - 1; i >= 0; i--) - { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input") } - sels = cm.listSelections() - for (var i$1 = 0; i$1 < sels.length; i$1++) - { cm.indentLine(sels[i$1].from().line, null, true) } - ensureCursorVisible(cm) - }); }, - openLine: function (cm) { return cm.replaceSelection("\n", "start"); }, - toggleOverwrite: function (cm) { return cm.toggleOverwrite(); } -} - - -function lineStart(cm, lineN) { - var line = getLine(cm.doc, lineN) - var visual = visualLine(line) - if (visual != line) { lineN = lineNo(visual) } - var order = getOrder(visual) - var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual) - return Pos(lineN, ch) -} -function lineEnd(cm, lineN) { - var merged, line = getLine(cm.doc, lineN) - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line - lineN = null - } - var order = getOrder(line) - var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line) - return Pos(lineN == null ? lineNo(line) : lineN, ch) -} -function lineStartSmart(cm, pos) { - var start = lineStart(cm, pos.line) - var line = getLine(cm.doc, start.line) - var order = getOrder(line) - if (!order || order[0].level == 0) { - var firstNonWS = Math.max(0, line.text.search(/\S/)) - var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch - return Pos(start.line, inWS ? 0 : firstNonWS) - } - return start -} - -// Run a handler that was bound to a key. -function doHandleBinding(cm, bound, dropShift) { - if (typeof bound == "string") { - bound = commands[bound] - if (!bound) { return false } - } - // Ensure previous input has been read, so that the handler sees a - // consistent view of the document - cm.display.input.ensurePolled() - var prevShift = cm.display.shift, done = false - try { - if (cm.isReadOnly()) { cm.state.suppressEdits = true } - if (dropShift) { cm.display.shift = false } - done = bound(cm) != Pass - } finally { - cm.display.shift = prevShift - cm.state.suppressEdits = false - } - return done -} - -function lookupKeyForEditor(cm, name, handle) { - for (var i = 0; i < cm.state.keyMaps.length; i++) { - var result = lookupKey(name, cm.state.keyMaps[i], handle, cm) - if (result) { return result } - } - return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) - || lookupKey(name, cm.options.keyMap, handle, cm) -} - -var stopSeq = new Delayed -function dispatchKey(cm, name, e, handle) { - var seq = cm.state.keySeq - if (seq) { - if (isModifierKey(name)) { return "handled" } - stopSeq.set(50, function () { - if (cm.state.keySeq == seq) { - cm.state.keySeq = null - cm.display.input.reset() - } - }) - name = seq + " " + name - } - var result = lookupKeyForEditor(cm, name, handle) - - if (result == "multi") - { cm.state.keySeq = name } - if (result == "handled") - { signalLater(cm, "keyHandled", cm, name, e) } - - if (result == "handled" || result == "multi") { - e_preventDefault(e) - restartBlink(cm) - } - - if (seq && !result && /\'$/.test(name)) { - e_preventDefault(e) - return true - } - return !!result -} - -// Handle a key from the keydown event. -function handleKeyBinding(cm, e) { - var name = keyName(e, true) - if (!name) { return false } - - if (e.shiftKey && !cm.state.keySeq) { - // First try to resolve full name (including 'Shift-'). Failing - // that, see if there is a cursor-motion command (starting with - // 'go') bound to the keyname without 'Shift-'. - return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); }) - || dispatchKey(cm, name, e, function (b) { - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) - { return doHandleBinding(cm, b) } - }) - } else { - return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); }) - } -} - -// Handle a key from the keypress event -function handleCharBinding(cm, e, ch) { - return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); }) -} - -var lastStoppedKey = null -function onKeyDown(e) { - var cm = this - cm.curOp.focus = activeElt() - if (signalDOMEvent(cm, e)) { return } - // IE does strange things with escape. - if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false } - var code = e.keyCode - cm.display.shift = code == 16 || e.shiftKey - var handled = handleKeyBinding(cm, e) - if (presto) { - lastStoppedKey = handled ? code : null - // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) - { cm.replaceSelection("", null, "cut") } - } - - // Turn mouse into crosshair when Alt is held on Mac. - if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) - { showCrossHair(cm) } -} - -function showCrossHair(cm) { - var lineDiv = cm.display.lineDiv - addClass(lineDiv, "CodeMirror-crosshair") - - function up(e) { - if (e.keyCode == 18 || !e.altKey) { - rmClass(lineDiv, "CodeMirror-crosshair") - off(document, "keyup", up) - off(document, "mouseover", up) - } - } - on(document, "keyup", up) - on(document, "mouseover", up) -} - -function onKeyUp(e) { - if (e.keyCode == 16) { this.doc.sel.shift = false } - signalDOMEvent(this, e) -} - -function onKeyPress(e) { - var cm = this - if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return } - var keyCode = e.keyCode, charCode = e.charCode - if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return} - if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return } - var ch = String.fromCharCode(charCode == null ? keyCode : charCode) - // Some browsers fire keypress events for backspace - if (ch == "\x08") { return } - if (handleCharBinding(cm, e, ch)) { return } - cm.display.input.onKeyPress(e) -} - -// A mouse down can be a single click, double click, triple click, -// start of selection drag, start of text drag, new cursor -// (ctrl-click), rectangle drag (alt-drag), or xwin -// middle-click-paste. Or it might be a click on something we should -// not interfere with, such as a scrollbar or widget. -function onMouseDown(e) { - var cm = this, display = cm.display - if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return } - display.input.ensurePolled() - display.shift = e.shiftKey - - if (eventInWidget(display, e)) { - if (!webkit) { - // Briefly turn off draggability, to allow widgets to do - // normal dragging things. - display.scroller.draggable = false - setTimeout(function () { return display.scroller.draggable = true; }, 100) - } - return - } - if (clickInGutter(cm, e)) { return } - var start = posFromMouse(cm, e) - window.focus() - - switch (e_button(e)) { - case 1: - // #3261: make sure, that we're not starting a second selection - if (cm.state.selectingText) - { cm.state.selectingText(e) } - else if (start) - { leftButtonDown(cm, e, start) } - else if (e_target(e) == display.scroller) - { e_preventDefault(e) } - break - case 2: - if (webkit) { cm.state.lastMiddleDown = +new Date } - if (start) { extendSelection(cm.doc, start) } - setTimeout(function () { return display.input.focus(); }, 20) - e_preventDefault(e) - break - case 3: - if (captureRightClick) { onContextMenu(cm, e) } - else { delayBlurEvent(cm) } - break - } -} - -var lastClick; -var lastDoubleClick; -function leftButtonDown(cm, e, start) { - if (ie) { setTimeout(bind(ensureFocus, cm), 0) } - else { cm.curOp.focus = activeElt() } - - var now = +new Date, type - if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { - type = "triple" - } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { - type = "double" - lastDoubleClick = {time: now, pos: start} - } else { - type = "single" - lastClick = {time: now, pos: start} - } - - var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained - if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && - type == "single" && (contained = sel.contains(start)) > -1 && - (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && - (cmp(contained.to(), start) > 0 || start.xRel < 0)) - { leftButtonStartDrag(cm, e, start, modifier) } - else - { leftButtonSelect(cm, e, start, type, modifier) } -} - -// Start a text drag. When it ends, see if any dragging actually -// happen, and treat as a click if it didn't. -function leftButtonStartDrag(cm, e, start, modifier) { - var display = cm.display, startTime = +new Date - var dragEnd = operation(cm, function (e2) { - if (webkit) { display.scroller.draggable = false } - cm.state.draggingText = false - off(document, "mouseup", dragEnd) - off(display.scroller, "drop", dragEnd) - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { - e_preventDefault(e2) - if (!modifier && +new Date - 200 < startTime) - { extendSelection(cm.doc, start) } - // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) - if (webkit || ie && ie_version == 9) - { setTimeout(function () {document.body.focus(); display.input.focus()}, 20) } - else - { display.input.focus() } - } - }) - // Let the drag handler handle this. - if (webkit) { display.scroller.draggable = true } - cm.state.draggingText = dragEnd - dragEnd.copy = mac ? e.altKey : e.ctrlKey - // IE's approach to draggable - if (display.scroller.dragDrop) { display.scroller.dragDrop() } - on(document, "mouseup", dragEnd) - on(display.scroller, "drop", dragEnd) -} - -// Normal selection, as opposed to text dragging. -function leftButtonSelect(cm, e, start, type, addNew) { - var display = cm.display, doc = cm.doc - e_preventDefault(e) - - var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges - if (addNew && !e.shiftKey) { - ourIndex = doc.sel.contains(start) - if (ourIndex > -1) - { ourRange = ranges[ourIndex] } - else - { ourRange = new Range(start, start) } - } else { - ourRange = doc.sel.primary() - ourIndex = doc.sel.primIndex - } - - if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) { - type = "rect" - if (!addNew) { ourRange = new Range(start, start) } - start = posFromMouse(cm, e, true, true) - ourIndex = -1 - } else if (type == "double") { - var word = cm.findWordAt(start) - if (cm.display.shift || doc.extend) - { ourRange = extendRange(doc, ourRange, word.anchor, word.head) } - else - { ourRange = word } - } else if (type == "triple") { - var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))) - if (cm.display.shift || doc.extend) - { ourRange = extendRange(doc, ourRange, line.anchor, line.head) } - else - { ourRange = line } - } else { - ourRange = extendRange(doc, ourRange, start) - } - - if (!addNew) { - ourIndex = 0 - setSelection(doc, new Selection([ourRange], 0), sel_mouse) - startSel = doc.sel - } else if (ourIndex == -1) { - ourIndex = ranges.length - setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), - {scroll: false, origin: "*mouse"}) - } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { - setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), - {scroll: false, origin: "*mouse"}) - startSel = doc.sel - } else { - replaceOneSelection(doc, ourIndex, ourRange, sel_mouse) - } - - var lastPos = start - function extendTo(pos) { - if (cmp(lastPos, pos) == 0) { return } - lastPos = pos - - if (type == "rect") { - var ranges = [], tabSize = cm.options.tabSize - var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize) - var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize) - var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol) - for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); - line <= end; line++) { - var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize) - if (left == right) - { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))) } - else if (text.length > leftPos) - { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))) } - } - if (!ranges.length) { ranges.push(new Range(start, start)) } - setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), - {origin: "*mouse", scroll: false}) - cm.scrollIntoView(pos) - } else { - var oldRange = ourRange - var anchor = oldRange.anchor, head = pos - if (type != "single") { - var range - if (type == "double") - { range = cm.findWordAt(pos) } - else - { range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))) } - if (cmp(range.anchor, anchor) > 0) { - head = range.head - anchor = minPos(oldRange.from(), range.anchor) - } else { - head = range.anchor - anchor = maxPos(oldRange.to(), range.head) - } - } - var ranges$1 = startSel.ranges.slice(0) - ranges$1[ourIndex] = new Range(clipPos(doc, anchor), head) - setSelection(doc, normalizeSelection(ranges$1, ourIndex), sel_mouse) - } - } - - var editorSize = display.wrapper.getBoundingClientRect() - // Used to ensure timeout re-tries don't fire when another extend - // happened in the meantime (clearTimeout isn't reliable -- at - // least on Chrome, the timeouts still happen even when cleared, - // if the clear happens after their scheduled firing time). - var counter = 0 - - function extend(e) { - var curCount = ++counter - var cur = posFromMouse(cm, e, true, type == "rect") - if (!cur) { return } - if (cmp(cur, lastPos) != 0) { - cm.curOp.focus = activeElt() - extendTo(cur) - var visible = visibleLines(display, doc) - if (cur.line >= visible.to || cur.line < visible.from) - { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e) }}), 150) } - } else { - var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0 - if (outside) { setTimeout(operation(cm, function () { - if (counter != curCount) { return } - display.scroller.scrollTop += outside - extend(e) - }), 50) } - } - } - - function done(e) { - cm.state.selectingText = false - counter = Infinity - e_preventDefault(e) - display.input.focus() - off(document, "mousemove", move) - off(document, "mouseup", up) - doc.history.lastSelOrigin = null - } - - var move = operation(cm, function (e) { - if (!e_button(e)) { done(e) } - else { extend(e) } - }) - var up = operation(cm, done) - cm.state.selectingText = up - on(document, "mousemove", move) - on(document, "mouseup", up) -} - - -// Determines whether an event happened in the gutter, and fires the -// handlers for the corresponding event. -function gutterEvent(cm, e, type, prevent) { - var mX, mY - try { mX = e.clientX; mY = e.clientY } - catch(e) { return false } - if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false } - if (prevent) { e_preventDefault(e) } - - var display = cm.display - var lineBox = display.lineDiv.getBoundingClientRect() - - if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) } - mY -= lineBox.top - display.viewOffset - - for (var i = 0; i < cm.options.gutters.length; ++i) { - var g = display.gutters.childNodes[i] - if (g && g.getBoundingClientRect().right >= mX) { - var line = lineAtHeight(cm.doc, mY) - var gutter = cm.options.gutters[i] - signal(cm, type, cm, line, gutter, e) - return e_defaultPrevented(e) - } - } -} - -function clickInGutter(cm, e) { - return gutterEvent(cm, e, "gutterClick", true) -} - -// CONTEXT MENU HANDLING - -// To make the context menu work, we need to briefly unhide the -// textarea (making it as unobtrusive as possible) to let the -// right-click take effect on it. -function onContextMenu(cm, e) { - if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return } - if (signalDOMEvent(cm, e, "contextmenu")) { return } - cm.display.input.onContextMenu(e) -} - -function contextMenuInGutter(cm, e) { - if (!hasHandler(cm, "gutterContextMenu")) { return false } - return gutterEvent(cm, e, "gutterContextMenu", false) -} - -function themeChanged(cm) { - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + - cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-") - clearCaches(cm) -} - -var Init = {toString: function(){return "CodeMirror.Init"}} - -var defaults = {} -var optionHandlers = {} - -function defineOptions(CodeMirror) { - var optionHandlers = CodeMirror.optionHandlers - - function option(name, deflt, handle, notOnInit) { - CodeMirror.defaults[name] = deflt - if (handle) { optionHandlers[name] = - notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old) }} : handle } - } - - CodeMirror.defineOption = option - - // Passed to option handlers when there is no old value. - CodeMirror.Init = Init - - // These two are, on init, called from the constructor because they - // have to be initialized before the editor can start at all. - option("value", "", function (cm, val) { return cm.setValue(val); }, true) - option("mode", null, function (cm, val) { - cm.doc.modeOption = val - loadMode(cm) - }, true) - - option("indentUnit", 2, loadMode, true) - option("indentWithTabs", false) - option("smartIndent", true) - option("tabSize", 4, function (cm) { - resetModeState(cm) - clearCaches(cm) - regChange(cm) - }, true) - option("lineSeparator", null, function (cm, val) { - cm.doc.lineSep = val - if (!val) { return } - var newBreaks = [], lineNo = cm.doc.first - cm.doc.iter(function (line) { - for (var pos = 0;;) { - var found = line.text.indexOf(val, pos) - if (found == -1) { break } - pos = found + val.length - newBreaks.push(Pos(lineNo, found)) - } - lineNo++ - }) - for (var i = newBreaks.length - 1; i >= 0; i--) - { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) } - }) - option("specialChars", /[\u0000-\u001f\u007f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old) { - cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g") - if (old != Init) { cm.refresh() } - }) - option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true) - option("electricChars", true) - option("inputStyle", mobile ? "contenteditable" : "textarea", function () { - throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME - }, true) - option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true) - option("rtlMoveVisually", !windows) - option("wholeLineUpdateBefore", true) - - option("theme", "default", function (cm) { - themeChanged(cm) - guttersChanged(cm) - }, true) - option("keyMap", "default", function (cm, val, old) { - var next = getKeyMap(val) - var prev = old != Init && getKeyMap(old) - if (prev && prev.detach) { prev.detach(cm, next) } - if (next.attach) { next.attach(cm, prev || null) } - }) - option("extraKeys", null) - - option("lineWrapping", false, wrappingChanged, true) - option("gutters", [], function (cm) { - setGuttersForLineNumbers(cm.options) - guttersChanged(cm) - }, true) - option("fixedGutter", true, function (cm, val) { - cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0" - cm.refresh() - }, true) - option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true) - option("scrollbarStyle", "native", function (cm) { - initScrollbars(cm) - updateScrollbars(cm) - cm.display.scrollbars.setScrollTop(cm.doc.scrollTop) - cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft) - }, true) - option("lineNumbers", false, function (cm) { - setGuttersForLineNumbers(cm.options) - guttersChanged(cm) - }, true) - option("firstLineNumber", 1, guttersChanged, true) - option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true) - option("showCursorWhenSelecting", false, updateSelection, true) - - option("resetSelectionOnContextMenu", true) - option("lineWiseCopyCut", true) - - option("readOnly", false, function (cm, val) { - if (val == "nocursor") { - onBlur(cm) - cm.display.input.blur() - cm.display.disabled = true - } else { - cm.display.disabled = false - } - cm.display.input.readOnlyChanged(val) - }) - option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset() }}, true) - option("dragDrop", true, dragDropChanged) - option("allowDropFileTypes", null) - - option("cursorBlinkRate", 530) - option("cursorScrollMargin", 0) - option("cursorHeight", 1, updateSelection, true) - option("singleCursorHeightPerLine", true, updateSelection, true) - option("workTime", 100) - option("workDelay", 100) - option("flattenSpans", true, resetModeState, true) - option("addModeClass", false, resetModeState, true) - option("pollInterval", 100) - option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; }) - option("historyEventDelay", 1250) - option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true) - option("maxHighlightLength", 10000, resetModeState, true) - option("moveInputWithCursor", true, function (cm, val) { - if (!val) { cm.display.input.resetPosition() } - }) - - option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; }) - option("autofocus", null) -} - -function guttersChanged(cm) { - updateGutters(cm) - regChange(cm) - alignHorizontally(cm) -} - -function dragDropChanged(cm, value, old) { - var wasOn = old && old != Init - if (!value != !wasOn) { - var funcs = cm.display.dragFunctions - var toggle = value ? on : off - toggle(cm.display.scroller, "dragstart", funcs.start) - toggle(cm.display.scroller, "dragenter", funcs.enter) - toggle(cm.display.scroller, "dragover", funcs.over) - toggle(cm.display.scroller, "dragleave", funcs.leave) - toggle(cm.display.scroller, "drop", funcs.drop) - } -} - -function wrappingChanged(cm) { - if (cm.options.lineWrapping) { - addClass(cm.display.wrapper, "CodeMirror-wrap") - cm.display.sizer.style.minWidth = "" - cm.display.sizerWidth = null - } else { - rmClass(cm.display.wrapper, "CodeMirror-wrap") - findMaxLine(cm) - } - estimateLineHeights(cm) - regChange(cm) - clearCaches(cm) - setTimeout(function () { return updateScrollbars(cm); }, 100) -} - -// A CodeMirror instance represents an editor. This is the object -// that user code is usually dealing with. - -function CodeMirror(place, options) { - var this$1 = this; - - if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) } - - this.options = options = options ? copyObj(options) : {} - // Determine effective options based on given values and defaults. - copyObj(defaults, options, false) - setGuttersForLineNumbers(options) - - var doc = options.value - if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator) } - this.doc = doc - - var input = new CodeMirror.inputStyles[options.inputStyle](this) - var display = this.display = new Display(place, doc, input) - display.wrapper.CodeMirror = this - updateGutters(this) - themeChanged(this) - if (options.lineWrapping) - { this.display.wrapper.className += " CodeMirror-wrap" } - initScrollbars(this) - - this.state = { - keyMaps: [], // stores maps added by addKeyMap - overlays: [], // highlighting overlays, as added by addOverlay - modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info - overwrite: false, - delayingBlurEvent: false, - focused: false, - suppressEdits: false, // used to disable editing during key handlers when in readOnly mode - pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll - selectingText: false, - draggingText: false, - highlight: new Delayed(), // stores highlight worker timeout - keySeq: null, // Unfinished key sequence - specialChars: null - } - - if (options.autofocus && !mobile) { display.input.focus() } - - // Override magic textarea content restore that IE sometimes does - // on our hidden textarea on reload - if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20) } - - registerEventHandlers(this) - ensureGlobalHandlers() - - startOperation(this) - this.curOp.forceUpdate = true - attachDoc(this, doc) - - if ((options.autofocus && !mobile) || this.hasFocus()) - { setTimeout(bind(onFocus, this), 20) } - else - { onBlur(this) } - - for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt)) - { optionHandlers[opt](this$1, options[opt], Init) } } - maybeUpdateLineNumberWidth(this) - if (options.finishInit) { options.finishInit(this) } - for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1) } - endOperation(this) - // Suppress optimizelegibility in Webkit, since it breaks text - // measuring on line wrapping boundaries. - if (webkit && options.lineWrapping && - getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") - { display.lineDiv.style.textRendering = "auto" } -} - -// The default configuration options. -CodeMirror.defaults = defaults -// Functions to run when options are changed. -CodeMirror.optionHandlers = optionHandlers - -// Attach the necessary event handlers when initializing the editor -function registerEventHandlers(cm) { - var d = cm.display - on(d.scroller, "mousedown", operation(cm, onMouseDown)) - // Older IE's will not fire a second mousedown for a double click - if (ie && ie_version < 11) - { on(d.scroller, "dblclick", operation(cm, function (e) { - if (signalDOMEvent(cm, e)) { return } - var pos = posFromMouse(cm, e) - if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return } - e_preventDefault(e) - var word = cm.findWordAt(pos) - extendSelection(cm.doc, word.anchor, word.head) - })) } - else - { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }) } - // Some browsers fire contextmenu *after* opening the menu, at - // which point we can't mess with it anymore. Context menu is - // handled in onMouseDown for these browsers. - if (!captureRightClick) { on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }) } - - // Used to suppress mouse event handling when a touch happens - var touchFinished, prevTouch = {end: 0} - function finishTouch() { - if (d.activeTouch) { - touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000) - prevTouch = d.activeTouch - prevTouch.end = +new Date - } - } - function isMouseLikeTouchEvent(e) { - if (e.touches.length != 1) { return false } - var touch = e.touches[0] - return touch.radiusX <= 1 && touch.radiusY <= 1 - } - function farAway(touch, other) { - if (other.left == null) { return true } - var dx = other.left - touch.left, dy = other.top - touch.top - return dx * dx + dy * dy > 20 * 20 - } - on(d.scroller, "touchstart", function (e) { - if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) { - d.input.ensurePolled() - clearTimeout(touchFinished) - var now = +new Date - d.activeTouch = {start: now, moved: false, - prev: now - prevTouch.end <= 300 ? prevTouch : null} - if (e.touches.length == 1) { - d.activeTouch.left = e.touches[0].pageX - d.activeTouch.top = e.touches[0].pageY - } - } - }) - on(d.scroller, "touchmove", function () { - if (d.activeTouch) { d.activeTouch.moved = true } - }) - on(d.scroller, "touchend", function (e) { - var touch = d.activeTouch - if (touch && !eventInWidget(d, e) && touch.left != null && - !touch.moved && new Date - touch.start < 300) { - var pos = cm.coordsChar(d.activeTouch, "page"), range - if (!touch.prev || farAway(touch, touch.prev)) // Single tap - { range = new Range(pos, pos) } - else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap - { range = cm.findWordAt(pos) } - else // Triple tap - { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) } - cm.setSelection(range.anchor, range.head) - cm.focus() - e_preventDefault(e) - } - finishTouch() - }) - on(d.scroller, "touchcancel", finishTouch) - - // Sync scrolling between fake scrollbars and real scrollable - // area, ensure viewport is updated when scrolling. - on(d.scroller, "scroll", function () { - if (d.scroller.clientHeight) { - setScrollTop(cm, d.scroller.scrollTop) - setScrollLeft(cm, d.scroller.scrollLeft, true) - signal(cm, "scroll", cm) - } - }) - - // Listen to wheel events in order to try and update the viewport on time. - on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); }) - on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); }) - - // Prevent wrapper from ever scrolling - on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }) - - d.dragFunctions = { - enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e) }}, - over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e) }}, - start: function (e) { return onDragStart(cm, e); }, - drop: operation(cm, onDrop), - leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm) }} - } - - var inp = d.input.getField() - on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); }) - on(inp, "keydown", operation(cm, onKeyDown)) - on(inp, "keypress", operation(cm, onKeyPress)) - on(inp, "focus", function (e) { return onFocus(cm, e); }) - on(inp, "blur", function (e) { return onBlur(cm, e); }) -} - -var initHooks = [] -CodeMirror.defineInitHook = function (f) { return initHooks.push(f); } - -// Indent the given line. The how parameter can be "smart", -// "add"/null, "subtract", or "prev". When aggressive is false -// (typically set to true for forced single-line indents), empty -// lines are not indented, and places where the mode returns Pass -// are left alone. -function indentLine(cm, n, how, aggressive) { - var doc = cm.doc, state - if (how == null) { how = "add" } - if (how == "smart") { - // Fall back to "prev" when the mode doesn't have an indentation - // method. - if (!doc.mode.indent) { how = "prev" } - else { state = getStateBefore(cm, n) } - } - - var tabSize = cm.options.tabSize - var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize) - if (line.stateAfter) { line.stateAfter = null } - var curSpaceString = line.text.match(/^\s*/)[0], indentation - if (!aggressive && !/\S/.test(line.text)) { - indentation = 0 - how = "not" - } else if (how == "smart") { - indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text) - if (indentation == Pass || indentation > 150) { - if (!aggressive) { return } - how = "prev" - } - } - if (how == "prev") { - if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize) } - else { indentation = 0 } - } else if (how == "add") { - indentation = curSpace + cm.options.indentUnit - } else if (how == "subtract") { - indentation = curSpace - cm.options.indentUnit - } else if (typeof how == "number") { - indentation = curSpace + how - } - indentation = Math.max(0, indentation) - - var indentString = "", pos = 0 - if (cm.options.indentWithTabs) - { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t"} } - if (pos < indentation) { indentString += spaceStr(indentation - pos) } - - if (indentString != curSpaceString) { - replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input") - line.stateAfter = null - return true - } else { - // Ensure that, if the cursor was in the whitespace at the start - // of the line, it is moved to the end of that space. - for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) { - var range = doc.sel.ranges[i$1] - if (range.head.line == n && range.head.ch < curSpaceString.length) { - var pos$1 = Pos(n, curSpaceString.length) - replaceOneSelection(doc, i$1, new Range(pos$1, pos$1)) - break - } - } - } -} - -// This will be set to a {lineWise: bool, text: [string]} object, so -// that, when pasting, we know what kind of selections the copied -// text was made out of. -var lastCopied = null - -function setLastCopied(newLastCopied) { - lastCopied = newLastCopied -} - -function applyTextInput(cm, inserted, deleted, sel, origin) { - var doc = cm.doc - cm.display.shift = false - if (!sel) { sel = doc.sel } - - var paste = cm.state.pasteIncoming || origin == "paste" - var textLines = splitLinesAuto(inserted), multiPaste = null - // When pasing N lines into N selections, insert one line per selection - if (paste && sel.ranges.length > 1) { - if (lastCopied && lastCopied.text.join("\n") == inserted) { - if (sel.ranges.length % lastCopied.text.length == 0) { - multiPaste = [] - for (var i = 0; i < lastCopied.text.length; i++) - { multiPaste.push(doc.splitLines(lastCopied.text[i])) } - } - } else if (textLines.length == sel.ranges.length) { - multiPaste = map(textLines, function (l) { return [l]; }) - } - } - - var updateInput - // Normal behavior is to insert the new text into every selection - for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) { - var range = sel.ranges[i$1] - var from = range.from(), to = range.to() - if (range.empty()) { - if (deleted && deleted > 0) // Handle deletion - { from = Pos(from.line, from.ch - deleted) } - else if (cm.state.overwrite && !paste) // Handle overwrite - { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)) } - else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted) - { from = to = Pos(from.line, 0) } - } - updateInput = cm.curOp.updateInput - var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines, - origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")} - makeChange(cm.doc, changeEvent) - signalLater(cm, "inputRead", cm, changeEvent) - } - if (inserted && !paste) - { triggerElectric(cm, inserted) } - - ensureCursorVisible(cm) - cm.curOp.updateInput = updateInput - cm.curOp.typing = true - cm.state.pasteIncoming = cm.state.cutIncoming = false -} - -function handlePaste(e, cm) { - var pasted = e.clipboardData && e.clipboardData.getData("Text") - if (pasted) { - e.preventDefault() - if (!cm.isReadOnly() && !cm.options.disableInput) - { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }) } - return true - } -} - -function triggerElectric(cm, inserted) { - // When an 'electric' character is inserted, immediately trigger a reindent - if (!cm.options.electricChars || !cm.options.smartIndent) { return } - var sel = cm.doc.sel - - for (var i = sel.ranges.length - 1; i >= 0; i--) { - var range = sel.ranges[i] - if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue } - var mode = cm.getModeAt(range.head) - var indented = false - if (mode.electricChars) { - for (var j = 0; j < mode.electricChars.length; j++) - { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { - indented = indentLine(cm, range.head.line, "smart") - break - } } - } else if (mode.electricInput) { - if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) - { indented = indentLine(cm, range.head.line, "smart") } - } - if (indented) { signalLater(cm, "electricInput", cm, range.head.line) } - } -} - -function copyableRanges(cm) { - var text = [], ranges = [] - for (var i = 0; i < cm.doc.sel.ranges.length; i++) { - var line = cm.doc.sel.ranges[i].head.line - var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)} - ranges.push(lineRange) - text.push(cm.getRange(lineRange.anchor, lineRange.head)) - } - return {text: text, ranges: ranges} -} - -function disableBrowserMagic(field, spellcheck) { - field.setAttribute("autocorrect", "off") - field.setAttribute("autocapitalize", "off") - field.setAttribute("spellcheck", !!spellcheck) -} - -function hiddenTextarea() { - var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none") - var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;") - // The textarea is kept positioned near the cursor to prevent the - // fact that it'll be scrolled into view on input from scrolling - // our fake cursor out of view. On webkit, when wrap=off, paste is - // very slow. So make the area wide instead. - if (webkit) { te.style.width = "1000px" } - else { te.setAttribute("wrap", "off") } - // If border: 0; -- iOS fails to open keyboard (issue #1287) - if (ios) { te.style.border = "1px solid black" } - disableBrowserMagic(te) - return div -} - -// The publicly visible API. Note that methodOp(f) means -// 'wrap f in an operation, performed on its `this` parameter'. - -// This is not the complete set of editor methods. Most of the -// methods defined on the Doc type are also injected into -// CodeMirror.prototype, for backwards compatibility and -// convenience. - -function addEditorMethods(CodeMirror) { - var optionHandlers = CodeMirror.optionHandlers - - var helpers = CodeMirror.helpers = {} - - CodeMirror.prototype = { - constructor: CodeMirror, - focus: function(){window.focus(); this.display.input.focus()}, - - setOption: function(option, value) { - var options = this.options, old = options[option] - if (options[option] == value && option != "mode") { return } - options[option] = value - if (optionHandlers.hasOwnProperty(option)) - { operation(this, optionHandlers[option])(this, value, old) } - signal(this, "optionChange", this, option) - }, - - getOption: function(option) {return this.options[option]}, - getDoc: function() {return this.doc}, - - addKeyMap: function(map, bottom) { - this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)) - }, - removeKeyMap: function(map) { - var maps = this.state.keyMaps - for (var i = 0; i < maps.length; ++i) - { if (maps[i] == map || maps[i].name == map) { - maps.splice(i, 1) - return true - } } - }, - - addOverlay: methodOp(function(spec, options) { - var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec) - if (mode.startState) { throw new Error("Overlays may not be stateful.") } - insertSorted(this.state.overlays, - {mode: mode, modeSpec: spec, opaque: options && options.opaque, - priority: (options && options.priority) || 0}, - function (overlay) { return overlay.priority; }) - this.state.modeGen++ - regChange(this) - }), - removeOverlay: methodOp(function(spec) { - var this$1 = this; - - var overlays = this.state.overlays - for (var i = 0; i < overlays.length; ++i) { - var cur = overlays[i].modeSpec - if (cur == spec || typeof spec == "string" && cur.name == spec) { - overlays.splice(i, 1) - this$1.state.modeGen++ - regChange(this$1) - return - } - } - }), - - indentLine: methodOp(function(n, dir, aggressive) { - if (typeof dir != "string" && typeof dir != "number") { - if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev" } - else { dir = dir ? "add" : "subtract" } - } - if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive) } - }), - indentSelection: methodOp(function(how) { - var this$1 = this; - - var ranges = this.doc.sel.ranges, end = -1 - for (var i = 0; i < ranges.length; i++) { - var range = ranges[i] - if (!range.empty()) { - var from = range.from(), to = range.to() - var start = Math.max(end, from.line) - end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1 - for (var j = start; j < end; ++j) - { indentLine(this$1, j, how) } - var newRanges = this$1.doc.sel.ranges - if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) - { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll) } - } else if (range.head.line > end) { - indentLine(this$1, range.head.line, how, true) - end = range.head.line - if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1) } - } - } - }), - - // Fetch the parser token for a given character. Useful for hacks - // that want to inspect the mode state (say, for completion). - getTokenAt: function(pos, precise) { - return takeToken(this, pos, precise) - }, - - getLineTokens: function(line, precise) { - return takeToken(this, Pos(line), precise, true) - }, - - getTokenTypeAt: function(pos) { - pos = clipPos(this.doc, pos) - var styles = getLineStyles(this, getLine(this.doc, pos.line)) - var before = 0, after = (styles.length - 1) / 2, ch = pos.ch - var type - if (ch == 0) { type = styles[2] } - else { for (;;) { - var mid = (before + after) >> 1 - if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid } - else if (styles[mid * 2 + 1] < ch) { before = mid + 1 } - else { type = styles[mid * 2 + 2]; break } - } } - var cut = type ? type.indexOf("overlay ") : -1 - return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1) - }, - - getModeAt: function(pos) { - var mode = this.doc.mode - if (!mode.innerMode) { return mode } - return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode - }, - - getHelper: function(pos, type) { - return this.getHelpers(pos, type)[0] - }, - - getHelpers: function(pos, type) { - var this$1 = this; - - var found = [] - if (!helpers.hasOwnProperty(type)) { return found } - var help = helpers[type], mode = this.getModeAt(pos) - if (typeof mode[type] == "string") { - if (help[mode[type]]) { found.push(help[mode[type]]) } - } else if (mode[type]) { - for (var i = 0; i < mode[type].length; i++) { - var val = help[mode[type][i]] - if (val) { found.push(val) } - } - } else if (mode.helperType && help[mode.helperType]) { - found.push(help[mode.helperType]) - } else if (help[mode.name]) { - found.push(help[mode.name]) - } - for (var i$1 = 0; i$1 < help._global.length; i$1++) { - var cur = help._global[i$1] - if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1) - { found.push(cur.val) } - } - return found - }, - - getStateAfter: function(line, precise) { - var doc = this.doc - line = clipLine(doc, line == null ? doc.first + doc.size - 1: line) - return getStateBefore(this, line + 1, precise) - }, - - cursorCoords: function(start, mode) { - var pos, range = this.doc.sel.primary() - if (start == null) { pos = range.head } - else if (typeof start == "object") { pos = clipPos(this.doc, start) } - else { pos = start ? range.from() : range.to() } - return cursorCoords(this, pos, mode || "page") - }, - - charCoords: function(pos, mode) { - return charCoords(this, clipPos(this.doc, pos), mode || "page") - }, - - coordsChar: function(coords, mode) { - coords = fromCoordSystem(this, coords, mode || "page") - return coordsChar(this, coords.left, coords.top) - }, - - lineAtHeight: function(height, mode) { - height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top - return lineAtHeight(this.doc, height + this.display.viewOffset) - }, - heightAtLine: function(line, mode, includeWidgets) { - var end = false, lineObj - if (typeof line == "number") { - var last = this.doc.first + this.doc.size - 1 - if (line < this.doc.first) { line = this.doc.first } - else if (line > last) { line = last; end = true } - lineObj = getLine(this.doc, line) - } else { - lineObj = line - } - return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets).top + - (end ? this.doc.height - heightAtLine(lineObj) : 0) - }, - - defaultTextHeight: function() { return textHeight(this.display) }, - defaultCharWidth: function() { return charWidth(this.display) }, - - getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}}, - - addWidget: function(pos, node, scroll, vert, horiz) { - var display = this.display - pos = cursorCoords(this, clipPos(this.doc, pos)) - var top = pos.bottom, left = pos.left - node.style.position = "absolute" - node.setAttribute("cm-ignore-events", "true") - this.display.input.setUneditable(node) - display.sizer.appendChild(node) - if (vert == "over") { - top = pos.top - } else if (vert == "above" || vert == "near") { - var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), - hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth) - // Default to positioning above (if specified and possible); otherwise default to positioning below - if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) - { top = pos.top - node.offsetHeight } - else if (pos.bottom + node.offsetHeight <= vspace) - { top = pos.bottom } - if (left + node.offsetWidth > hspace) - { left = hspace - node.offsetWidth } - } - node.style.top = top + "px" - node.style.left = node.style.right = "" - if (horiz == "right") { - left = display.sizer.clientWidth - node.offsetWidth - node.style.right = "0px" - } else { - if (horiz == "left") { left = 0 } - else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2 } - node.style.left = left + "px" - } - if (scroll) - { scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight) } - }, - - triggerOnKeyDown: methodOp(onKeyDown), - triggerOnKeyPress: methodOp(onKeyPress), - triggerOnKeyUp: onKeyUp, - - execCommand: function(cmd) { - if (commands.hasOwnProperty(cmd)) - { return commands[cmd].call(null, this) } - }, - - triggerElectric: methodOp(function(text) { triggerElectric(this, text) }), - - findPosH: function(from, amount, unit, visually) { - var this$1 = this; - - var dir = 1 - if (amount < 0) { dir = -1; amount = -amount } - var cur = clipPos(this.doc, from) - for (var i = 0; i < amount; ++i) { - cur = findPosH(this$1.doc, cur, dir, unit, visually) - if (cur.hitSide) { break } - } - return cur - }, - - moveH: methodOp(function(dir, unit) { - var this$1 = this; - - this.extendSelectionsBy(function (range) { - if (this$1.display.shift || this$1.doc.extend || range.empty()) - { return findPosH(this$1.doc, range.head, dir, unit, this$1.options.rtlMoveVisually) } - else - { return dir < 0 ? range.from() : range.to() } - }, sel_move) - }), - - deleteH: methodOp(function(dir, unit) { - var sel = this.doc.sel, doc = this.doc - if (sel.somethingSelected()) - { doc.replaceSelection("", null, "+delete") } - else - { deleteNearSelection(this, function (range) { - var other = findPosH(doc, range.head, dir, unit, false) - return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other} - }) } - }), - - findPosV: function(from, amount, unit, goalColumn) { - var this$1 = this; - - var dir = 1, x = goalColumn - if (amount < 0) { dir = -1; amount = -amount } - var cur = clipPos(this.doc, from) - for (var i = 0; i < amount; ++i) { - var coords = cursorCoords(this$1, cur, "div") - if (x == null) { x = coords.left } - else { coords.left = x } - cur = findPosV(this$1, coords, dir, unit) - if (cur.hitSide) { break } - } - return cur - }, - - moveV: methodOp(function(dir, unit) { - var this$1 = this; - - var doc = this.doc, goals = [] - var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected() - doc.extendSelectionsBy(function (range) { - if (collapse) - { return dir < 0 ? range.from() : range.to() } - var headPos = cursorCoords(this$1, range.head, "div") - if (range.goalColumn != null) { headPos.left = range.goalColumn } - goals.push(headPos.left) - var pos = findPosV(this$1, headPos, dir, unit) - if (unit == "page" && range == doc.sel.primary()) - { addToScrollPos(this$1, null, charCoords(this$1, pos, "div").top - headPos.top) } - return pos - }, sel_move) - if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++) - { doc.sel.ranges[i].goalColumn = goals[i] } } - }), - - // Find the word at the given position (as returned by coordsChar). - findWordAt: function(pos) { - var doc = this.doc, line = getLine(doc, pos.line).text - var start = pos.ch, end = pos.ch - if (line) { - var helper = this.getHelper(pos, "wordChars") - if ((pos.xRel < 0 || end == line.length) && start) { --start; } else { ++end } - var startChar = line.charAt(start) - var check = isWordChar(startChar, helper) - ? function (ch) { return isWordChar(ch, helper); } - : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); } - : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); } - while (start > 0 && check(line.charAt(start - 1))) { --start } - while (end < line.length && check(line.charAt(end))) { ++end } - } - return new Range(Pos(pos.line, start), Pos(pos.line, end)) - }, - - toggleOverwrite: function(value) { - if (value != null && value == this.state.overwrite) { return } - if (this.state.overwrite = !this.state.overwrite) - { addClass(this.display.cursorDiv, "CodeMirror-overwrite") } - else - { rmClass(this.display.cursorDiv, "CodeMirror-overwrite") } - - signal(this, "overwriteToggle", this, this.state.overwrite) - }, - hasFocus: function() { return this.display.input.getField() == activeElt() }, - isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) }, - - scrollTo: methodOp(function(x, y) { - if (x != null || y != null) { resolveScrollToPos(this) } - if (x != null) { this.curOp.scrollLeft = x } - if (y != null) { this.curOp.scrollTop = y } - }), - getScrollInfo: function() { - var scroller = this.display.scroller - return {left: scroller.scrollLeft, top: scroller.scrollTop, - height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, - width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, - clientHeight: displayHeight(this), clientWidth: displayWidth(this)} - }, - - scrollIntoView: methodOp(function(range, margin) { - if (range == null) { - range = {from: this.doc.sel.primary().head, to: null} - if (margin == null) { margin = this.options.cursorScrollMargin } - } else if (typeof range == "number") { - range = {from: Pos(range, 0), to: null} - } else if (range.from == null) { - range = {from: range, to: null} - } - if (!range.to) { range.to = range.from } - range.margin = margin || 0 - - if (range.from.line != null) { - resolveScrollToPos(this) - this.curOp.scrollToPos = range - } else { - var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), - Math.min(range.from.top, range.to.top) - range.margin, - Math.max(range.from.right, range.to.right), - Math.max(range.from.bottom, range.to.bottom) + range.margin) - this.scrollTo(sPos.scrollLeft, sPos.scrollTop) - } - }), - - setSize: methodOp(function(width, height) { - var this$1 = this; - - var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; } - if (width != null) { this.display.wrapper.style.width = interpret(width) } - if (height != null) { this.display.wrapper.style.height = interpret(height) } - if (this.options.lineWrapping) { clearLineMeasurementCache(this) } - var lineNo = this.display.viewFrom - this.doc.iter(lineNo, this.display.viewTo, function (line) { - if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) - { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo, "widget"); break } } } - ++lineNo - }) - this.curOp.forceUpdate = true - signal(this, "refresh", this) - }), - - operation: function(f){return runInOp(this, f)}, - - refresh: methodOp(function() { - var oldHeight = this.display.cachedTextHeight - regChange(this) - this.curOp.forceUpdate = true - clearCaches(this) - this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop) - updateGutterSpace(this) - if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) - { estimateLineHeights(this) } - signal(this, "refresh", this) - }), - - swapDoc: methodOp(function(doc) { - var old = this.doc - old.cm = null - attachDoc(this, doc) - clearCaches(this) - this.display.input.reset() - this.scrollTo(doc.scrollLeft, doc.scrollTop) - this.curOp.forceScroll = true - signalLater(this, "swapDoc", this, old) - return old - }), - - getInputField: function(){return this.display.input.getField()}, - getWrapperElement: function(){return this.display.wrapper}, - getScrollerElement: function(){return this.display.scroller}, - getGutterElement: function(){return this.display.gutters} - } - eventMixin(CodeMirror) - - CodeMirror.registerHelper = function(type, name, value) { - if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []} } - helpers[type][name] = value - } - CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { - CodeMirror.registerHelper(type, name, value) - helpers[type]._global.push({pred: predicate, val: value}) - } -} - -// Used for horizontal relative motion. Dir is -1 or 1 (left or -// right), unit can be "char", "column" (like char, but doesn't -// cross line boundaries), "word" (across next word), or "group" (to -// the start of next group of word or non-word-non-whitespace -// chars). The visually param controls whether, in right-to-left -// text, direction 1 means to move towards the next index in the -// string, or towards the character to the right of the current -// position. The resulting position will have a hitSide=true -// property if it reached the end of the document. -function findPosH(doc, pos, dir, unit, visually) { - var line = pos.line, ch = pos.ch, origDir = dir - var lineObj = getLine(doc, line) - function findNextLine() { - var l = line + dir - if (l < doc.first || l >= doc.first + doc.size) { return false } - line = l - return lineObj = getLine(doc, l) - } - function moveOnce(boundToLine) { - var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true) - if (next == null) { - if (!boundToLine && findNextLine()) { - if (visually) { ch = (dir < 0 ? lineRight : lineLeft)(lineObj) } - else { ch = dir < 0 ? lineObj.text.length : 0 } - } else { return false } - } else { ch = next } - return true - } - - if (unit == "char") { - moveOnce() - } else if (unit == "column") { - moveOnce(true) - } else if (unit == "word" || unit == "group") { - var sawType = null, group = unit == "group" - var helper = doc.cm && doc.cm.getHelper(pos, "wordChars") - for (var first = true;; first = false) { - if (dir < 0 && !moveOnce(!first)) { break } - var cur = lineObj.text.charAt(ch) || "\n" - var type = isWordChar(cur, helper) ? "w" - : group && cur == "\n" ? "n" - : !group || /\s/.test(cur) ? null - : "p" - if (group && !first && !type) { type = "s" } - if (sawType && sawType != type) { - if (dir < 0) {dir = 1; moveOnce()} - break - } - - if (type) { sawType = type } - if (dir > 0 && !moveOnce(!first)) { break } - } - } - var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true) - if (!cmp(pos, result)) { result.hitSide = true } - return result -} - -// For relative vertical movement. Dir may be -1 or 1. Unit can be -// "page" or "line". The resulting position will have a hitSide=true -// property if it reached the end of the document. -function findPosV(cm, pos, dir, unit) { - var doc = cm.doc, x = pos.left, y - if (unit == "page") { - var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight) - var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3) - y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount - - } else if (unit == "line") { - y = dir > 0 ? pos.bottom + 3 : pos.top - 3 - } - var target - for (;;) { - target = coordsChar(cm, x, y) - if (!target.outside) { break } - if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break } - y += dir * 5 - } - return target -} - -// CONTENTEDITABLE INPUT STYLE - -var ContentEditableInput = function(cm) { - this.cm = cm - this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null - this.polling = new Delayed() - this.composing = null - this.gracePeriod = false - this.readDOMTimeout = null -}; - -ContentEditableInput.prototype.init = function (display) { - var this$1 = this; - - var input = this, cm = input.cm - var div = input.div = display.lineDiv - disableBrowserMagic(div, cm.options.spellcheck) - - on(div, "paste", function (e) { - if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } - // IE doesn't fire input events, so we schedule a read for the pasted content in this way - if (ie_version <= 11) { setTimeout(operation(cm, function () { - if (!input.pollContent()) { regChange(cm) } - }), 20) } - }) - - on(div, "compositionstart", function (e) { - this$1.composing = {data: e.data, done: false} - }) - on(div, "compositionupdate", function (e) { - if (!this$1.composing) { this$1.composing = {data: e.data, done: false} } - }) - on(div, "compositionend", function (e) { - if (this$1.composing) { - if (e.data != this$1.composing.data) { this$1.readFromDOMSoon() } - this$1.composing.done = true - } - }) - - on(div, "touchstart", function () { return input.forceCompositionEnd(); }) - - on(div, "input", function () { - if (!this$1.composing) { this$1.readFromDOMSoon() } - }) - - function onCopyCut(e) { - if (signalDOMEvent(cm, e)) { return } - if (cm.somethingSelected()) { - setLastCopied({lineWise: false, text: cm.getSelections()}) - if (e.type == "cut") { cm.replaceSelection("", null, "cut") } - } else if (!cm.options.lineWiseCopyCut) { - return - } else { - var ranges = copyableRanges(cm) - setLastCopied({lineWise: true, text: ranges.text}) - if (e.type == "cut") { - cm.operation(function () { - cm.setSelections(ranges.ranges, 0, sel_dontScroll) - cm.replaceSelection("", null, "cut") - }) - } - } - if (e.clipboardData) { - e.clipboardData.clearData() - var content = lastCopied.text.join("\n") - // iOS exposes the clipboard API, but seems to discard content inserted into it - e.clipboardData.setData("Text", content) - if (e.clipboardData.getData("Text") == content) { - e.preventDefault() - return - } - } - // Old-fashioned briefly-focus-a-textarea hack - var kludge = hiddenTextarea(), te = kludge.firstChild - cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild) - te.value = lastCopied.text.join("\n") - var hadFocus = document.activeElement - selectInput(te) - setTimeout(function () { - cm.display.lineSpace.removeChild(kludge) - hadFocus.focus() - if (hadFocus == div) { input.showPrimarySelection() } - }, 50) - } - on(div, "copy", onCopyCut) - on(div, "cut", onCopyCut) -}; - -ContentEditableInput.prototype.prepareSelection = function () { - var result = prepareSelection(this.cm, false) - result.focus = this.cm.state.focused - return result -}; - -ContentEditableInput.prototype.showSelection = function (info, takeFocus) { - if (!info || !this.cm.display.view.length) { return } - if (info.focus || takeFocus) { this.showPrimarySelection() } - this.showMultipleSelections(info) -}; - -ContentEditableInput.prototype.showPrimarySelection = function () { - var sel = window.getSelection(), prim = this.cm.doc.sel.primary() - var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset) - var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset) - if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && - cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && - cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) - { return } - - var start = posToDOM(this.cm, prim.from()) - var end = posToDOM(this.cm, prim.to()) - if (!start && !end) { return } - - var view = this.cm.display.view - var old = sel.rangeCount && sel.getRangeAt(0) - if (!start) { - start = {node: view[0].measure.map[2], offset: 0} - } else if (!end) { // FIXME dangerously hacky - var measure = view[view.length - 1].measure - var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map - end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]} - } - - var rng - try { rng = range(start.node, start.offset, end.offset, end.node) } - catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible - if (rng) { - if (!gecko && this.cm.state.focused) { - sel.collapse(start.node, start.offset) - if (!rng.collapsed) { - sel.removeAllRanges() - sel.addRange(rng) - } - } else { - sel.removeAllRanges() - sel.addRange(rng) - } - if (old && sel.anchorNode == null) { sel.addRange(old) } - else if (gecko) { this.startGracePeriod() } - } - this.rememberSelection() -}; - -ContentEditableInput.prototype.startGracePeriod = function () { - var this$1 = this; - - clearTimeout(this.gracePeriod) - this.gracePeriod = setTimeout(function () { - this$1.gracePeriod = false - if (this$1.selectionChanged()) - { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }) } - }, 20) -}; - -ContentEditableInput.prototype.showMultipleSelections = function (info) { - removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors) - removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection) -}; - -ContentEditableInput.prototype.rememberSelection = function () { - var sel = window.getSelection() - this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset - this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset -}; - -ContentEditableInput.prototype.selectionInEditor = function () { - var sel = window.getSelection() - if (!sel.rangeCount) { return false } - var node = sel.getRangeAt(0).commonAncestorContainer - return contains(this.div, node) -}; - -ContentEditableInput.prototype.focus = function () { - if (this.cm.options.readOnly != "nocursor") { - if (!this.selectionInEditor()) - { this.showSelection(this.prepareSelection(), true) } - this.div.focus() - } -}; -ContentEditableInput.prototype.blur = function () { this.div.blur() }; -ContentEditableInput.prototype.getField = function () { return this.div }; - -ContentEditableInput.prototype.supportsTouch = function () { return true }; - -ContentEditableInput.prototype.receivedFocus = function () { - var input = this - if (this.selectionInEditor()) - { this.pollSelection() } - else - { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }) } - - function poll() { - if (input.cm.state.focused) { - input.pollSelection() - input.polling.set(input.cm.options.pollInterval, poll) - } - } - this.polling.set(this.cm.options.pollInterval, poll) -}; - -ContentEditableInput.prototype.selectionChanged = function () { - var sel = window.getSelection() - return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || - sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset -}; - -ContentEditableInput.prototype.pollSelection = function () { - if (!this.composing && this.readDOMTimeout == null && !this.gracePeriod && this.selectionChanged()) { - var sel = window.getSelection(), cm = this.cm - this.rememberSelection() - var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset) - var head = domToPos(cm, sel.focusNode, sel.focusOffset) - if (anchor && head) { runInOp(cm, function () { - setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll) - if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true } - }) } - } -}; - -ContentEditableInput.prototype.pollContent = function () { - if (this.readDOMTimeout != null) { - clearTimeout(this.readDOMTimeout) - this.readDOMTimeout = null - } - - var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary() - var from = sel.from(), to = sel.to() - if (from.ch == 0 && from.line > cm.firstLine()) - { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length) } - if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine()) - { to = Pos(to.line + 1, 0) } - if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false } - - var fromIndex, fromLine, fromNode - if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { - fromLine = lineNo(display.view[0].line) - fromNode = display.view[0].node - } else { - fromLine = lineNo(display.view[fromIndex].line) - fromNode = display.view[fromIndex - 1].node.nextSibling - } - var toIndex = findViewIndex(cm, to.line) - var toLine, toNode - if (toIndex == display.view.length - 1) { - toLine = display.viewTo - 1 - toNode = display.lineDiv.lastChild - } else { - toLine = lineNo(display.view[toIndex + 1].line) - 1 - toNode = display.view[toIndex + 1].node.previousSibling - } - - if (!fromNode) { return false } - var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)) - var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)) - while (newText.length > 1 && oldText.length > 1) { - if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine-- } - else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++ } - else { break } - } - - var cutFront = 0, cutEnd = 0 - var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length) - while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) - { ++cutFront } - var newBot = lst(newText), oldBot = lst(oldText) - var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), - oldBot.length - (oldText.length == 1 ? cutFront : 0)) - while (cutEnd < maxCutEnd && - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) - { ++cutEnd } - - newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "") - newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "") - - var chFrom = Pos(fromLine, cutFront) - var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0) - if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { - replaceRange(cm.doc, newText, chFrom, chTo, "+input") - return true - } -}; - -ContentEditableInput.prototype.ensurePolled = function () { - this.forceCompositionEnd() -}; -ContentEditableInput.prototype.reset = function () { - this.forceCompositionEnd() -}; -ContentEditableInput.prototype.forceCompositionEnd = function () { - if (!this.composing) { return } - clearTimeout(this.readDOMTimeout) - this.composing = null - if (!this.pollContent()) { regChange(this.cm) } - this.div.blur() - this.div.focus() -}; -ContentEditableInput.prototype.readFromDOMSoon = function () { - var this$1 = this; - - if (this.readDOMTimeout != null) { return } - this.readDOMTimeout = setTimeout(function () { - this$1.readDOMTimeout = null - if (this$1.composing) { - if (this$1.composing.done) { this$1.composing = null } - else { return } - } - if (this$1.cm.isReadOnly() || !this$1.pollContent()) - { runInOp(this$1.cm, function () { return regChange(this$1.cm); }) } - }, 80) -}; - -ContentEditableInput.prototype.setUneditable = function (node) { - node.contentEditable = "false" -}; - -ContentEditableInput.prototype.onKeyPress = function (e) { - e.preventDefault() - if (!this.cm.isReadOnly()) - { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0) } -}; - -ContentEditableInput.prototype.readOnlyChanged = function (val) { - this.div.contentEditable = String(val != "nocursor") -}; - -ContentEditableInput.prototype.onContextMenu = function () {}; -ContentEditableInput.prototype.resetPosition = function () {}; - -ContentEditableInput.prototype.needsContentAttribute = true - -function posToDOM(cm, pos) { - var view = findViewForLine(cm, pos.line) - if (!view || view.hidden) { return null } - var line = getLine(cm.doc, pos.line) - var info = mapFromLineView(view, line, pos.line) - - var order = getOrder(line), side = "left" - if (order) { - var partPos = getBidiPartAt(order, pos.ch) - side = partPos % 2 ? "right" : "left" - } - var result = nodeAndOffsetInLineMap(info.map, pos.ch, side) - result.offset = result.collapse == "right" ? result.end : result.start - return result -} - -function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos } - -function domTextBetween(cm, from, to, fromLine, toLine) { - var text = "", closing = false, lineSep = cm.doc.lineSeparator() - function recognizeMarker(id) { return function (marker) { return marker.id == id; } } - function walk(node) { - if (node.nodeType == 1) { - var cmText = node.getAttribute("cm-text") - if (cmText != null) { - if (cmText == "") { text += node.textContent.replace(/\u200b/g, "") } - else { text += cmText } - return - } - var markerID = node.getAttribute("cm-marker"), range - if (markerID) { - var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)) - if (found.length && (range = found[0].find())) - { text += getBetween(cm.doc, range.from, range.to).join(lineSep) } - return - } - if (node.getAttribute("contenteditable") == "false") { return } - for (var i = 0; i < node.childNodes.length; i++) - { walk(node.childNodes[i]) } - if (/^(pre|div|p)$/i.test(node.nodeName)) - { closing = true } - } else if (node.nodeType == 3) { - var val = node.nodeValue - if (!val) { return } - if (closing) { - text += lineSep - closing = false - } - text += val - } - } - for (;;) { - walk(from) - if (from == to) { break } - from = from.nextSibling - } - return text -} - -function domToPos(cm, node, offset) { - var lineNode - if (node == cm.display.lineDiv) { - lineNode = cm.display.lineDiv.childNodes[offset] - if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) } - node = null; offset = 0 - } else { - for (lineNode = node;; lineNode = lineNode.parentNode) { - if (!lineNode || lineNode == cm.display.lineDiv) { return null } - if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break } - } - } - for (var i = 0; i < cm.display.view.length; i++) { - var lineView = cm.display.view[i] - if (lineView.node == lineNode) - { return locateNodeInLineView(lineView, node, offset) } - } -} - -function locateNodeInLineView(lineView, node, offset) { - var wrapper = lineView.text.firstChild, bad = false - if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) } - if (node == wrapper) { - bad = true - node = wrapper.childNodes[offset] - offset = 0 - if (!node) { - var line = lineView.rest ? lst(lineView.rest) : lineView.line - return badPos(Pos(lineNo(line), line.text.length), bad) - } - } - - var textNode = node.nodeType == 3 ? node : null, topNode = node - if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { - textNode = node.firstChild - if (offset) { offset = textNode.nodeValue.length } - } - while (topNode.parentNode != wrapper) { topNode = topNode.parentNode } - var measure = lineView.measure, maps = measure.maps - - function find(textNode, topNode, offset) { - for (var i = -1; i < (maps ? maps.length : 0); i++) { - var map = i < 0 ? measure.map : maps[i] - for (var j = 0; j < map.length; j += 3) { - var curNode = map[j + 2] - if (curNode == textNode || curNode == topNode) { - var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]) - var ch = map[j] + offset - if (offset < 0 || curNode != textNode) { ch = map[j + (offset ? 1 : 0)] } - return Pos(line, ch) - } - } - } - } - var found = find(textNode, topNode, offset) - if (found) { return badPos(found, bad) } - - // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems - for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { - found = find(after, after.firstChild, 0) - if (found) - { return badPos(Pos(found.line, found.ch - dist), bad) } - else - { dist += after.textContent.length } - } - for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) { - found = find(before, before.firstChild, -1) - if (found) - { return badPos(Pos(found.line, found.ch + dist$1), bad) } - else - { dist$1 += before.textContent.length } - } -} - -// TEXTAREA INPUT STYLE - -var TextareaInput = function(cm) { - this.cm = cm - // See input.poll and input.reset - this.prevInput = "" - - // Flag that indicates whether we expect input to appear real soon - // now (after some event like 'keypress' or 'input') and are - // polling intensively. - this.pollingFast = false - // Self-resetting timeout for the poller - this.polling = new Delayed() - // Tracks when input.reset has punted to just putting a short - // string into the textarea instead of the full selection. - this.inaccurateSelection = false - // Used to work around IE issue with selection being forgotten when focus moves away from textarea - this.hasSelection = false - this.composing = null -}; - -TextareaInput.prototype.init = function (display) { - var this$1 = this; - - var input = this, cm = this.cm - - // Wraps and hides input textarea - var div = this.wrapper = hiddenTextarea() - // The semihidden textarea that is focused when the editor is - // focused, and receives input. - var te = this.textarea = div.firstChild - display.wrapper.insertBefore(div, display.wrapper.firstChild) - - // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) - if (ios) { te.style.width = "0px" } - - on(te, "input", function () { - if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null } - input.poll() - }) - - on(te, "paste", function (e) { - if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } - - cm.state.pasteIncoming = true - input.fastPoll() - }) - - function prepareCopyCut(e) { - if (signalDOMEvent(cm, e)) { return } - if (cm.somethingSelected()) { - setLastCopied({lineWise: false, text: cm.getSelections()}) - if (input.inaccurateSelection) { - input.prevInput = "" - input.inaccurateSelection = false - te.value = lastCopied.text.join("\n") - selectInput(te) - } - } else if (!cm.options.lineWiseCopyCut) { - return - } else { - var ranges = copyableRanges(cm) - setLastCopied({lineWise: true, text: ranges.text}) - if (e.type == "cut") { - cm.setSelections(ranges.ranges, null, sel_dontScroll) - } else { - input.prevInput = "" - te.value = ranges.text.join("\n") - selectInput(te) - } - } - if (e.type == "cut") { cm.state.cutIncoming = true } - } - on(te, "cut", prepareCopyCut) - on(te, "copy", prepareCopyCut) - - on(display.scroller, "paste", function (e) { - if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return } - cm.state.pasteIncoming = true - input.focus() - }) - - // Prevent normal selection in the editor (we handle our own) - on(display.lineSpace, "selectstart", function (e) { - if (!eventInWidget(display, e)) { e_preventDefault(e) } - }) - - on(te, "compositionstart", function () { - var start = cm.getCursor("from") - if (input.composing) { input.composing.range.clear() } - input.composing = { - start: start, - range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) - } - }) - on(te, "compositionend", function () { - if (input.composing) { - input.poll() - input.composing.range.clear() - input.composing = null - } - }) -}; - -TextareaInput.prototype.prepareSelection = function () { - // Redraw the selection and/or cursor - var cm = this.cm, display = cm.display, doc = cm.doc - var result = prepareSelection(cm) - - // Move the hidden textarea near the cursor to prevent scrolling artifacts - if (cm.options.moveInputWithCursor) { - var headPos = cursorCoords(cm, doc.sel.primary().head, "div") - var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect() - result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, - headPos.top + lineOff.top - wrapOff.top)) - result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, - headPos.left + lineOff.left - wrapOff.left)) - } - - return result -}; - -TextareaInput.prototype.showSelection = function (drawn) { - var cm = this.cm, display = cm.display - removeChildrenAndAdd(display.cursorDiv, drawn.cursors) - removeChildrenAndAdd(display.selectionDiv, drawn.selection) - if (drawn.teTop != null) { - this.wrapper.style.top = drawn.teTop + "px" - this.wrapper.style.left = drawn.teLeft + "px" - } -}; - -// Reset the input to correspond to the selection (or to be empty, -// when not typing and nothing is selected) -TextareaInput.prototype.reset = function (typing) { - if (this.contextMenuPending) { return } - var minimal, selected, cm = this.cm, doc = cm.doc - if (cm.somethingSelected()) { - this.prevInput = "" - var range = doc.sel.primary() - minimal = hasCopyEvent && - (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000) - var content = minimal ? "-" : selected || cm.getSelection() - this.textarea.value = content - if (cm.state.focused) { selectInput(this.textarea) } - if (ie && ie_version >= 9) { this.hasSelection = content } - } else if (!typing) { - this.prevInput = this.textarea.value = "" - if (ie && ie_version >= 9) { this.hasSelection = null } - } - this.inaccurateSelection = minimal -}; - -TextareaInput.prototype.getField = function () { return this.textarea }; - -TextareaInput.prototype.supportsTouch = function () { return false }; - -TextareaInput.prototype.focus = function () { - if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { - try { this.textarea.focus() } - catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM - } -}; - -TextareaInput.prototype.blur = function () { this.textarea.blur() }; - -TextareaInput.prototype.resetPosition = function () { - this.wrapper.style.top = this.wrapper.style.left = 0 -}; - -TextareaInput.prototype.receivedFocus = function () { this.slowPoll() }; - -// Poll for input changes, using the normal rate of polling. This -// runs as long as the editor is focused. -TextareaInput.prototype.slowPoll = function () { - var this$1 = this; - - if (this.pollingFast) { return } - this.polling.set(this.cm.options.pollInterval, function () { - this$1.poll() - if (this$1.cm.state.focused) { this$1.slowPoll() } - }) -}; - -// When an event has just come in that is likely to add or change -// something in the input textarea, we poll faster, to ensure that -// the change appears on the screen quickly. -TextareaInput.prototype.fastPoll = function () { - var missed = false, input = this - input.pollingFast = true - function p() { - var changed = input.poll() - if (!changed && !missed) {missed = true; input.polling.set(60, p)} - else {input.pollingFast = false; input.slowPoll()} - } - input.polling.set(20, p) -}; - -// Read input from the textarea, and update the document to match. -// When something is selected, it is present in the textarea, and -// selected (unless it is huge, in which case a placeholder is -// used). When nothing is selected, the cursor sits after previously -// seen text (can be empty), which is stored in prevInput (we must -// not reset the textarea when typing, because that breaks IME). -TextareaInput.prototype.poll = function () { - var this$1 = this; - - var cm = this.cm, input = this.textarea, prevInput = this.prevInput - // Since this is called a *lot*, try to bail out as cheaply as - // possible when it is clear that nothing happened. hasSelection - // will be the case when there is a lot of text in the textarea, - // in which case reading its value would be expensive. - if (this.contextMenuPending || !cm.state.focused || - (hasSelection(input) && !prevInput && !this.composing) || - cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) - { return false } - - var text = input.value - // If nothing changed, bail. - if (text == prevInput && !cm.somethingSelected()) { return false } - // Work around nonsensical selection resetting in IE9/10, and - // inexplicable appearance of private area unicode characters on - // some key combos in Mac (#2689). - if (ie && ie_version >= 9 && this.hasSelection === text || - mac && /[\uf700-\uf7ff]/.test(text)) { - cm.display.input.reset() - return false - } - - if (cm.doc.sel == cm.display.selForContextMenu) { - var first = text.charCodeAt(0) - if (first == 0x200b && !prevInput) { prevInput = "\u200b" } - if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") } - } - // Find the part of the input that is actually new - var same = 0, l = Math.min(prevInput.length, text.length) - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same } - - runInOp(cm, function () { - applyTextInput(cm, text.slice(same), prevInput.length - same, - null, this$1.composing ? "*compose" : null) - - // Don't leave long text in the textarea, since it makes further polling slow - if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = "" } - else { this$1.prevInput = text } - - if (this$1.composing) { - this$1.composing.range.clear() - this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"), - {className: "CodeMirror-composing"}) - } - }) - return true -}; - -TextareaInput.prototype.ensurePolled = function () { - if (this.pollingFast && this.poll()) { this.pollingFast = false } -}; - -TextareaInput.prototype.onKeyPress = function () { - if (ie && ie_version >= 9) { this.hasSelection = null } - this.fastPoll() -}; - -TextareaInput.prototype.onContextMenu = function (e) { - var input = this, cm = input.cm, display = cm.display, te = input.textarea - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop - if (!pos || presto) { return } // Opera is difficult. - - // Reset the current text selection only if the click is done outside of the selection - // and 'resetSelectionOnContextMenu' option is true. - var reset = cm.options.resetSelectionOnContextMenu - if (reset && cm.doc.sel.contains(pos) == -1) - { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll) } - - var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText - input.wrapper.style.cssText = "position: absolute" - var wrapperBox = input.wrapper.getBoundingClientRect() - te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);" - var oldScrollY - if (webkit) { oldScrollY = window.scrollY } // Work around Chrome issue (#2712) - display.input.focus() - if (webkit) { window.scrollTo(null, oldScrollY) } - display.input.reset() - // Adds "Select all" to context menu in FF - if (!cm.somethingSelected()) { te.value = input.prevInput = " " } - input.contextMenuPending = true - display.selForContextMenu = cm.doc.sel - clearTimeout(display.detectingSelectAll) - - // Select-all will be greyed out if there's nothing to select, so - // this adds a zero-width space so that we can later check whether - // it got selected. - function prepareSelectAllHack() { - if (te.selectionStart != null) { - var selected = cm.somethingSelected() - var extval = "\u200b" + (selected ? te.value : "") - te.value = "\u21da" // Used to catch context-menu undo - te.value = extval - input.prevInput = selected ? "" : "\u200b" - te.selectionStart = 1; te.selectionEnd = extval.length - // Re-set this, in case some other handler touched the - // selection in the meantime. - display.selForContextMenu = cm.doc.sel - } - } - function rehide() { - input.contextMenuPending = false - input.wrapper.style.cssText = oldWrapperCSS - te.style.cssText = oldCSS - if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos) } - - // Try to detect the user choosing select-all - if (te.selectionStart != null) { - if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack() } - var i = 0, poll = function () { - if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && - te.selectionEnd > 0 && input.prevInput == "\u200b") - { operation(cm, selectAll)(cm) } - else if (i++ < 10) { display.detectingSelectAll = setTimeout(poll, 500) } - else { display.input.reset() } - } - display.detectingSelectAll = setTimeout(poll, 200) - } - } - - if (ie && ie_version >= 9) { prepareSelectAllHack() } - if (captureRightClick) { - e_stop(e) - var mouseup = function () { - off(window, "mouseup", mouseup) - setTimeout(rehide, 20) - } - on(window, "mouseup", mouseup) - } else { - setTimeout(rehide, 50) - } -}; - -TextareaInput.prototype.readOnlyChanged = function (val) { - if (!val) { this.reset() } -}; - -TextareaInput.prototype.setUneditable = function () {}; - -TextareaInput.prototype.needsContentAttribute = false - -function fromTextArea(textarea, options) { - options = options ? copyObj(options) : {} - options.value = textarea.value - if (!options.tabindex && textarea.tabIndex) - { options.tabindex = textarea.tabIndex } - if (!options.placeholder && textarea.placeholder) - { options.placeholder = textarea.placeholder } - // Set autofocus to true if this textarea is focused, or if it has - // autofocus and no other element is focused. - if (options.autofocus == null) { - var hasFocus = activeElt() - options.autofocus = hasFocus == textarea || - textarea.getAttribute("autofocus") != null && hasFocus == document.body - } - - function save() {textarea.value = cm.getValue()} - - var realSubmit - if (textarea.form) { - on(textarea.form, "submit", save) - // Deplorable hack to make the submit method do the right thing. - if (!options.leaveSubmitMethodAlone) { - var form = textarea.form - realSubmit = form.submit - try { - var wrappedSubmit = form.submit = function () { - save() - form.submit = realSubmit - form.submit() - form.submit = wrappedSubmit - } - } catch(e) {} - } - } - - options.finishInit = function (cm) { - cm.save = save - cm.getTextArea = function () { return textarea; } - cm.toTextArea = function () { - cm.toTextArea = isNaN // Prevent this from being ran twice - save() - textarea.parentNode.removeChild(cm.getWrapperElement()) - textarea.style.display = "" - if (textarea.form) { - off(textarea.form, "submit", save) - if (typeof textarea.form.submit == "function") - { textarea.form.submit = realSubmit } - } - } - } - - textarea.style.display = "none" - var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); }, - options) - return cm -} - -function addLegacyProps(CodeMirror) { - CodeMirror.off = off - CodeMirror.on = on - CodeMirror.wheelEventPixels = wheelEventPixels - CodeMirror.Doc = Doc - CodeMirror.splitLines = splitLinesAuto - CodeMirror.countColumn = countColumn - CodeMirror.findColumn = findColumn - CodeMirror.isWordChar = isWordCharBasic - CodeMirror.Pass = Pass - CodeMirror.signal = signal - CodeMirror.Line = Line - CodeMirror.changeEnd = changeEnd - CodeMirror.scrollbarModel = scrollbarModel - CodeMirror.Pos = Pos - CodeMirror.cmpPos = cmp - CodeMirror.modes = modes - CodeMirror.mimeModes = mimeModes - CodeMirror.resolveMode = resolveMode - CodeMirror.getMode = getMode - CodeMirror.modeExtensions = modeExtensions - CodeMirror.extendMode = extendMode - CodeMirror.copyState = copyState - CodeMirror.startState = startState - CodeMirror.innerMode = innerMode - CodeMirror.commands = commands - CodeMirror.keyMap = keyMap - CodeMirror.keyName = keyName - CodeMirror.isModifierKey = isModifierKey - CodeMirror.lookupKey = lookupKey - CodeMirror.normalizeKeyMap = normalizeKeyMap - CodeMirror.StringStream = StringStream - CodeMirror.SharedTextMarker = SharedTextMarker - CodeMirror.TextMarker = TextMarker - CodeMirror.LineWidget = LineWidget - CodeMirror.e_preventDefault = e_preventDefault - CodeMirror.e_stopPropagation = e_stopPropagation - CodeMirror.e_stop = e_stop - CodeMirror.addClass = addClass - CodeMirror.contains = contains - CodeMirror.rmClass = rmClass - CodeMirror.keyNames = keyNames -} - -// EDITOR CONSTRUCTOR - -defineOptions(CodeMirror) - -addEditorMethods(CodeMirror) - -// Set up methods on CodeMirror's prototype to redirect to the editor's document. -var dontDelegate = "iter insert remove copy getEditor constructor".split(" ") -for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) - { CodeMirror.prototype[prop] = (function(method) { - return function() {return method.apply(this.doc, arguments)} - })(Doc.prototype[prop]) } } - -eventMixin(Doc) - -// INPUT HANDLING - -CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput} - -// MODE DEFINITION AND QUERYING - -// Extra arguments are stored as the mode's dependencies, which is -// used by (legacy) mechanisms like loadmode.js to automatically -// load a mode. (Preferred mechanism is the require/define calls.) -CodeMirror.defineMode = function(name/*, mode, …*/) { - if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name } - defineMode.apply(this, arguments) -} - -CodeMirror.defineMIME = defineMIME - -// Minimal default mode. -CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); }) -CodeMirror.defineMIME("text/plain", "null") - -// EXTENSIONS - -CodeMirror.defineExtension = function (name, func) { - CodeMirror.prototype[name] = func -} -CodeMirror.defineDocExtension = function (name, func) { - Doc.prototype[name] = func -} - -CodeMirror.fromTextArea = fromTextArea - -addLegacyProps(CodeMirror) - -CodeMirror.version = "5.23.0" - -return CodeMirror; - -}))); \ No newline at end of file diff --git a/js/codemirror-5.23.0/mode/dockerfile/dockerfile.js b/js/codemirror-5.23.0/mode/dockerfile/dockerfile.js deleted file mode 100644 index 4419009..0000000 --- a/js/codemirror-5.23.0/mode/dockerfile/dockerfile.js +++ /dev/null @@ -1,79 +0,0 @@ -// CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS - mod(require("../../lib/codemirror"), require("../../addon/mode/simple")); - else if (typeof define == "function" && define.amd) // AMD - define(["../../lib/codemirror", "../../addon/mode/simple"], mod); - else // Plain browser env - mod(CodeMirror); -})(function(CodeMirror) { - "use strict"; - - // Collect all Dockerfile directives - var instructions = ["from", "maintainer", "run", "cmd", "expose", "env", - "add", "copy", "entrypoint", "volume", "user", - "workdir", "onbuild"], - instructionRegex = "(" + instructions.join('|') + ")", - instructionOnlyLine = new RegExp(instructionRegex + "\\s*$", "i"), - instructionWithArguments = new RegExp(instructionRegex + "(\\s+)", "i"); - - CodeMirror.defineSimpleMode("dockerfile", { - start: [ - // Block comment: This is a line starting with a comment - { - regex: /#.*$/, - token: "comment" - }, - // Highlight an instruction without any arguments (for convenience) - { - regex: instructionOnlyLine, - token: "variable-2" - }, - // Highlight an instruction followed by arguments - { - regex: instructionWithArguments, - token: ["variable-2", null], - next: "arguments" - }, - { - regex: /./, - token: null - } - ], - arguments: [ - { - // Line comment without instruction arguments is an error - regex: /#.*$/, - token: "error", - next: "start" - }, - { - regex: /[^#]+\\$/, - token: null - }, - { - // Match everything except for the inline comment - regex: /[^#]+/, - token: null, - next: "start" - }, - { - regex: /$/, - token: null, - next: "start" - }, - // Fail safe return to start - { - token: null, - next: "start" - } - ], - meta: { - lineComment: "#" - } - }); - - CodeMirror.defineMIME("text/x-dockerfile", "dockerfile"); -}); diff --git a/js/codemirror-5.23.0/mode/ntriples/index.html b/js/codemirror-5.23.0/mode/ntriples/index.html deleted file mode 100644 index 1355e71..0000000 --- a/js/codemirror-5.23.0/mode/ntriples/index.html +++ /dev/null @@ -1,45 +0,0 @@ - - -CodeMirror: NTriples mode - - - - - - - - - -
-

NTriples mode

-
- -
- - -

MIME types defined: text/n-triples.

-
diff --git a/js/codemirror-5.23.0/mode/vb/index.html b/js/codemirror-5.23.0/mode/vb/index.html deleted file mode 100644 index adcc44f..0000000 --- a/js/codemirror-5.23.0/mode/vb/index.html +++ /dev/null @@ -1,102 +0,0 @@ - - -CodeMirror: VB.NET mode - - - - - - - - - - - -
-

VB.NET mode

- - - -
- -
- 

-  
MIME type defined: text/x-vb.

-
-

diff --git a/js/codemirror-5.23.0/src/codemirror.js b/js/codemirror-5.23.0/src/codemirror.js
deleted file mode 100644
index 3c16cc8..0000000
--- a/js/codemirror-5.23.0/src/codemirror.js
+++ /dev/null
@@ -1,3 +0,0 @@
-import { CodeMirror } from "./edit/main"
-
-export default CodeMirror
diff --git a/js/codemirror-5.23.0/src/display/highlight_worker.js b/js/codemirror-5.23.0/src/display/highlight_worker.js
deleted file mode 100644
index d34db2b..0000000
--- a/js/codemirror-5.23.0/src/display/highlight_worker.js
+++ /dev/null
@@ -1,51 +0,0 @@
-import { getStateBefore, highlightLine, processLine } from "../line/highlight"
-import { copyState } from "../modes"
-import { bind } from "../util/misc"
-
-import { runInOp } from "./operations"
-import { regLineChange } from "./view_tracking"
-
-// HIGHLIGHT WORKER
-
-export function startWorker(cm, time) {
-  if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo)
-    cm.state.highlight.set(time, bind(highlightWorker, cm))
-}
-
-function highlightWorker(cm) {
-  let doc = cm.doc
-  if (doc.frontier < doc.first) doc.frontier = doc.first
-  if (doc.frontier >= cm.display.viewTo) return
-  let end = +new Date + cm.options.workTime
-  let state = copyState(doc.mode, getStateBefore(cm, doc.frontier))
-  let changedLines = []
-
-  doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), line => {
-    if (doc.frontier >= cm.display.viewFrom) { // Visible
-      let oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength
-      let highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true)
-      line.styles = highlighted.styles
-      let oldCls = line.styleClasses, newCls = highlighted.classes
-      if (newCls) line.styleClasses = newCls
-      else if (oldCls) line.styleClasses = null
-      let ischange = !oldStyles || oldStyles.length != line.styles.length ||
-        oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass)
-      for (let i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]
-      if (ischange) changedLines.push(doc.frontier)
-      line.stateAfter = tooLong ? state : copyState(doc.mode, state)
-    } else {
-      if (line.text.length <= cm.options.maxHighlightLength)
-        processLine(cm, line.text, state)
-      line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null
-    }
-    ++doc.frontier
-    if (+new Date > end) {
-      startWorker(cm, cm.options.workDelay)
-      return true
-    }
-  })
-  if (changedLines.length) runInOp(cm, () => {
-    for (let i = 0; i < changedLines.length; i++)
-      regLineChange(cm, changedLines[i], "text")
-  })
-}
diff --git a/js/codemirror-5.23.0/src/display/scrolling.js b/js/codemirror-5.23.0/src/display/scrolling.js
deleted file mode 100644
index db9463c..0000000
--- a/js/codemirror-5.23.0/src/display/scrolling.js
+++ /dev/null
@@ -1,134 +0,0 @@
-import { Pos } from "../line/pos"
-import { cursorCoords, displayHeight, displayWidth, estimateCoords, paddingTop, paddingVert, scrollGap, textHeight } from "../measurement/position_measurement"
-import { phantom } from "../util/browser"
-import { elt } from "../util/dom"
-import { signalDOMEvent } from "../util/event"
-
-import { setScrollLeft, setScrollTop } from "./scroll_events"
-
-// SCROLLING THINGS INTO VIEW
-
-// If an editor sits on the top or bottom of the window, partially
-// scrolled out of view, this ensures that the cursor is visible.
-export function maybeScrollWindow(cm, coords) {
-  if (signalDOMEvent(cm, "scrollCursorIntoView")) return
-
-  let display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null
-  if (coords.top + box.top < 0) doScroll = true
-  else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false
-  if (doScroll != null && !phantom) {
-    let scrollNode = elt("div", "\u200b", null, `position: absolute;
-                         top: ${coords.top - display.viewOffset - paddingTop(cm.display)}px;
-                         height: ${coords.bottom - coords.top + scrollGap(cm) + display.barHeight}px;
-                         left: ${coords.left}px; width: 2px;`)
-    cm.display.lineSpace.appendChild(scrollNode)
-    scrollNode.scrollIntoView(doScroll)
-    cm.display.lineSpace.removeChild(scrollNode)
-  }
-}
-
-// Scroll a given position into view (immediately), verifying that
-// it actually became visible (as line heights are accurately
-// measured, the position of something may 'drift' during drawing).
-export function scrollPosIntoView(cm, pos, end, margin) {
-  if (margin == null) margin = 0
-  let coords
-  for (let limit = 0; limit < 5; limit++) {
-    let changed = false
-    coords = cursorCoords(cm, pos)
-    let endCoords = !end || end == pos ? coords : cursorCoords(cm, end)
-    let scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left),
-                                       Math.min(coords.top, endCoords.top) - margin,
-                                       Math.max(coords.left, endCoords.left),
-                                       Math.max(coords.bottom, endCoords.bottom) + margin)
-    let startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft
-    if (scrollPos.scrollTop != null) {
-      setScrollTop(cm, scrollPos.scrollTop)
-      if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true
-    }
-    if (scrollPos.scrollLeft != null) {
-      setScrollLeft(cm, scrollPos.scrollLeft)
-      if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true
-    }
-    if (!changed) break
-  }
-  return coords
-}
-
-// Scroll a given set of coordinates into view (immediately).
-export function scrollIntoView(cm, x1, y1, x2, y2) {
-  let scrollPos = calculateScrollPos(cm, x1, y1, x2, y2)
-  if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop)
-  if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft)
-}
-
-// Calculate a new scroll position needed to scroll the given
-// rectangle into view. Returns an object with scrollTop and
-// scrollLeft properties. When these are undefined, the
-// vertical/horizontal position does not need to be adjusted.
-export function calculateScrollPos(cm, x1, y1, x2, y2) {
-  let display = cm.display, snapMargin = textHeight(cm.display)
-  if (y1 < 0) y1 = 0
-  let screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop
-  let screen = displayHeight(cm), result = {}
-  if (y2 - y1 > screen) y2 = y1 + screen
-  let docBottom = cm.doc.height + paddingVert(display)
-  let atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin
-  if (y1 < screentop) {
-    result.scrollTop = atTop ? 0 : y1
-  } else if (y2 > screentop + screen) {
-    let newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen)
-    if (newTop != screentop) result.scrollTop = newTop
-  }
-
-  let screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft
-  let screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0)
-  let tooWide = x2 - x1 > screenw
-  if (tooWide) x2 = x1 + screenw
-  if (x1 < 10)
-    result.scrollLeft = 0
-  else if (x1 < screenleft)
-    result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10))
-  else if (x2 > screenw + screenleft - 3)
-    result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw
-  return result
-}
-
-// Store a relative adjustment to the scroll position in the current
-// operation (to be applied when the operation finishes).
-export function addToScrollPos(cm, left, top) {
-  if (left != null || top != null) resolveScrollToPos(cm)
-  if (left != null)
-    cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left
-  if (top != null)
-    cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top
-}
-
-// Make sure that at the end of the operation the current cursor is
-// shown.
-export function ensureCursorVisible(cm) {
-  resolveScrollToPos(cm)
-  let cur = cm.getCursor(), from = cur, to = cur
-  if (!cm.options.lineWrapping) {
-    from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur
-    to = Pos(cur.line, cur.ch + 1)
-  }
-  cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true}
-}
-
-// When an operation has its scrollToPos property set, and another
-// scroll action is applied before the end of the operation, this
-// 'simulates' scrolling that position into view in a cheap way, so
-// that the effect of intermediate scroll commands is not ignored.
-export function resolveScrollToPos(cm) {
-  let range = cm.curOp.scrollToPos
-  if (range) {
-    cm.curOp.scrollToPos = null
-    let from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to)
-    let sPos = calculateScrollPos(cm, Math.min(from.left, to.left),
-                                  Math.min(from.top, to.top) - range.margin,
-                                  Math.max(from.right, to.right),
-                                  Math.max(from.bottom, to.bottom) + range.margin)
-    cm.scrollTo(sPos.scrollLeft, sPos.scrollTop)
-  }
-}
diff --git a/js/codemirror-5.23.0/src/edit/mouse_events.js b/js/codemirror-5.23.0/src/edit/mouse_events.js
deleted file mode 100644
index 0b96f4c..0000000
--- a/js/codemirror-5.23.0/src/edit/mouse_events.js
+++ /dev/null
@@ -1,310 +0,0 @@
-import { delayBlurEvent, ensureFocus } from "../display/focus"
-import { operation } from "../display/operations"
-import { visibleLines } from "../display/update_lines"
-import { clipPos, cmp, maxPos, minPos, Pos } from "../line/pos"
-import { getLine, lineAtHeight } from "../line/utils_line"
-import { posFromMouse } from "../measurement/position_measurement"
-import { eventInWidget } from "../measurement/widgets"
-import { normalizeSelection, Range, Selection } from "../model/selection"
-import { extendRange, extendSelection, replaceOneSelection, setSelection } from "../model/selection_updates"
-import { captureRightClick, chromeOS, ie, ie_version, mac, webkit } from "../util/browser"
-import { activeElt } from "../util/dom"
-import { e_button, e_defaultPrevented, e_preventDefault, e_target, hasHandler, off, on, signal, signalDOMEvent } from "../util/event"
-import { dragAndDrop } from "../util/feature_detection"
-import { bind, countColumn, findColumn, sel_mouse } from "../util/misc"
-
-// A mouse down can be a single click, double click, triple click,
-// start of selection drag, start of text drag, new cursor
-// (ctrl-click), rectangle drag (alt-drag), or xwin
-// middle-click-paste. Or it might be a click on something we should
-// not interfere with, such as a scrollbar or widget.
-export function onMouseDown(e) {
-  let cm = this, display = cm.display
-  if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) return
-  display.input.ensurePolled()
-  display.shift = e.shiftKey
-
-  if (eventInWidget(display, e)) {
-    if (!webkit) {
-      // Briefly turn off draggability, to allow widgets to do
-      // normal dragging things.
-      display.scroller.draggable = false
-      setTimeout(() => display.scroller.draggable = true, 100)
-    }
-    return
-  }
-  if (clickInGutter(cm, e)) return
-  let start = posFromMouse(cm, e)
-  window.focus()
-
-  switch (e_button(e)) {
-  case 1:
-    // #3261: make sure, that we're not starting a second selection
-    if (cm.state.selectingText)
-      cm.state.selectingText(e)
-    else if (start)
-      leftButtonDown(cm, e, start)
-    else if (e_target(e) == display.scroller)
-      e_preventDefault(e)
-    break
-  case 2:
-    if (webkit) cm.state.lastMiddleDown = +new Date
-    if (start) extendSelection(cm.doc, start)
-    setTimeout(() => display.input.focus(), 20)
-    e_preventDefault(e)
-    break
-  case 3:
-    if (captureRightClick) onContextMenu(cm, e)
-    else delayBlurEvent(cm)
-    break
-  }
-}
-
-let lastClick, lastDoubleClick
-function leftButtonDown(cm, e, start) {
-  if (ie) setTimeout(bind(ensureFocus, cm), 0)
-  else cm.curOp.focus = activeElt()
-
-  let now = +new Date, type
-  if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) {
-    type = "triple"
-  } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) {
-    type = "double"
-    lastDoubleClick = {time: now, pos: start}
-  } else {
-    type = "single"
-    lastClick = {time: now, pos: start}
-  }
-
-  let sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained
-  if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
-      type == "single" && (contained = sel.contains(start)) > -1 &&
-      (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) &&
-      (cmp(contained.to(), start) > 0 || start.xRel < 0))
-    leftButtonStartDrag(cm, e, start, modifier)
-  else
-    leftButtonSelect(cm, e, start, type, modifier)
-}
-
-// Start a text drag. When it ends, see if any dragging actually
-// happen, and treat as a click if it didn't.
-function leftButtonStartDrag(cm, e, start, modifier) {
-  let display = cm.display, startTime = +new Date
-  let dragEnd = operation(cm, e2 => {
-    if (webkit) display.scroller.draggable = false
-    cm.state.draggingText = false
-    off(document, "mouseup", dragEnd)
-    off(display.scroller, "drop", dragEnd)
-    if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
-      e_preventDefault(e2)
-      if (!modifier && +new Date - 200 < startTime)
-        extendSelection(cm.doc, start)
-      // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
-      if (webkit || ie && ie_version == 9)
-        setTimeout(() => {document.body.focus(); display.input.focus()}, 20)
-      else
-        display.input.focus()
-    }
-  })
-  // Let the drag handler handle this.
-  if (webkit) display.scroller.draggable = true
-  cm.state.draggingText = dragEnd
-  dragEnd.copy = mac ? e.altKey : e.ctrlKey
-  // IE's approach to draggable
-  if (display.scroller.dragDrop) display.scroller.dragDrop()
-  on(document, "mouseup", dragEnd)
-  on(display.scroller, "drop", dragEnd)
-}
-
-// Normal selection, as opposed to text dragging.
-function leftButtonSelect(cm, e, start, type, addNew) {
-  let display = cm.display, doc = cm.doc
-  e_preventDefault(e)
-
-  let ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges
-  if (addNew && !e.shiftKey) {
-    ourIndex = doc.sel.contains(start)
-    if (ourIndex > -1)
-      ourRange = ranges[ourIndex]
-    else
-      ourRange = new Range(start, start)
-  } else {
-    ourRange = doc.sel.primary()
-    ourIndex = doc.sel.primIndex
-  }
-
-  if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) {
-    type = "rect"
-    if (!addNew) ourRange = new Range(start, start)
-    start = posFromMouse(cm, e, true, true)
-    ourIndex = -1
-  } else if (type == "double") {
-    let word = cm.findWordAt(start)
-    if (cm.display.shift || doc.extend)
-      ourRange = extendRange(doc, ourRange, word.anchor, word.head)
-    else
-      ourRange = word
-  } else if (type == "triple") {
-    let line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0)))
-    if (cm.display.shift || doc.extend)
-      ourRange = extendRange(doc, ourRange, line.anchor, line.head)
-    else
-      ourRange = line
-  } else {
-    ourRange = extendRange(doc, ourRange, start)
-  }
-
-  if (!addNew) {
-    ourIndex = 0
-    setSelection(doc, new Selection([ourRange], 0), sel_mouse)
-    startSel = doc.sel
-  } else if (ourIndex == -1) {
-    ourIndex = ranges.length
-    setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),
-                 {scroll: false, origin: "*mouse"})
-  } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) {
-    setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
-                 {scroll: false, origin: "*mouse"})
-    startSel = doc.sel
-  } else {
-    replaceOneSelection(doc, ourIndex, ourRange, sel_mouse)
-  }
-
-  let lastPos = start
-  function extendTo(pos) {
-    if (cmp(lastPos, pos) == 0) return
-    lastPos = pos
-
-    if (type == "rect") {
-      let ranges = [], tabSize = cm.options.tabSize
-      let startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize)
-      let posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize)
-      let left = Math.min(startCol, posCol), right = Math.max(startCol, posCol)
-      for (let line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
-           line <= end; line++) {
-        let text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize)
-        if (left == right)
-          ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos)))
-        else if (text.length > leftPos)
-          ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize))))
-      }
-      if (!ranges.length) ranges.push(new Range(start, start))
-      setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
-                   {origin: "*mouse", scroll: false})
-      cm.scrollIntoView(pos)
-    } else {
-      let oldRange = ourRange
-      let anchor = oldRange.anchor, head = pos
-      if (type != "single") {
-        let range
-        if (type == "double")
-          range = cm.findWordAt(pos)
-        else
-          range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0)))
-        if (cmp(range.anchor, anchor) > 0) {
-          head = range.head
-          anchor = minPos(oldRange.from(), range.anchor)
-        } else {
-          head = range.anchor
-          anchor = maxPos(oldRange.to(), range.head)
-        }
-      }
-      let ranges = startSel.ranges.slice(0)
-      ranges[ourIndex] = new Range(clipPos(doc, anchor), head)
-      setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse)
-    }
-  }
-
-  let editorSize = display.wrapper.getBoundingClientRect()
-  // Used to ensure timeout re-tries don't fire when another extend
-  // happened in the meantime (clearTimeout isn't reliable -- at
-  // least on Chrome, the timeouts still happen even when cleared,
-  // if the clear happens after their scheduled firing time).
-  let counter = 0
-
-  function extend(e) {
-    let curCount = ++counter
-    let cur = posFromMouse(cm, e, true, type == "rect")
-    if (!cur) return
-    if (cmp(cur, lastPos) != 0) {
-      cm.curOp.focus = activeElt()
-      extendTo(cur)
-      let visible = visibleLines(display, doc)
-      if (cur.line >= visible.to || cur.line < visible.from)
-        setTimeout(operation(cm, () => {if (counter == curCount) extend(e)}), 150)
-    } else {
-      let outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0
-      if (outside) setTimeout(operation(cm, () => {
-        if (counter != curCount) return
-        display.scroller.scrollTop += outside
-        extend(e)
-      }), 50)
-    }
-  }
-
-  function done(e) {
-    cm.state.selectingText = false
-    counter = Infinity
-    e_preventDefault(e)
-    display.input.focus()
-    off(document, "mousemove", move)
-    off(document, "mouseup", up)
-    doc.history.lastSelOrigin = null
-  }
-
-  let move = operation(cm, e => {
-    if (!e_button(e)) done(e)
-    else extend(e)
-  })
-  let up = operation(cm, done)
-  cm.state.selectingText = up
-  on(document, "mousemove", move)
-  on(document, "mouseup", up)
-}
-
-
-// Determines whether an event happened in the gutter, and fires the
-// handlers for the corresponding event.
-function gutterEvent(cm, e, type, prevent) {
-  let mX, mY
-  try { mX = e.clientX; mY = e.clientY }
-  catch(e) { return false }
-  if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false
-  if (prevent) e_preventDefault(e)
-
-  let display = cm.display
-  let lineBox = display.lineDiv.getBoundingClientRect()
-
-  if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e)
-  mY -= lineBox.top - display.viewOffset
-
-  for (let i = 0; i < cm.options.gutters.length; ++i) {
-    let g = display.gutters.childNodes[i]
-    if (g && g.getBoundingClientRect().right >= mX) {
-      let line = lineAtHeight(cm.doc, mY)
-      let gutter = cm.options.gutters[i]
-      signal(cm, type, cm, line, gutter, e)
-      return e_defaultPrevented(e)
-    }
-  }
-}
-
-export function clickInGutter(cm, e) {
-  return gutterEvent(cm, e, "gutterClick", true)
-}
-
-// CONTEXT MENU HANDLING
-
-// To make the context menu work, we need to briefly unhide the
-// textarea (making it as unobtrusive as possible) to let the
-// right-click take effect on it.
-export function onContextMenu(cm, e) {
-  if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return
-  if (signalDOMEvent(cm, e, "contextmenu")) return
-  cm.display.input.onContextMenu(e)
-}
-
-function contextMenuInGutter(cm, e) {
-  if (!hasHandler(cm, "gutterContextMenu")) return false
-  return gutterEvent(cm, e, "gutterContextMenu", false)
-}
diff --git a/js/codemirror-5.23.0/src/model/line_widget.js b/js/codemirror-5.23.0/src/model/line_widget.js
deleted file mode 100644
index e832e8c..0000000
--- a/js/codemirror-5.23.0/src/model/line_widget.js
+++ /dev/null
@@ -1,67 +0,0 @@
-import { runInOp } from "../display/operations"
-import { addToScrollPos } from "../display/scrolling"
-import { regLineChange } from "../display/view_tracking"
-import { heightAtLine, lineIsHidden } from "../line/spans"
-import { lineNo, updateLineHeight } from "../line/utils_line"
-import { widgetHeight } from "../measurement/widgets"
-import { changeLine } from "./changes"
-import { eventMixin } from "../util/event"
-
-// Line widgets are block elements displayed above or below a line.
-
-export function LineWidget(doc, node, options) {
-  if (options) for (let opt in options) if (options.hasOwnProperty(opt))
-    this[opt] = options[opt]
-  this.doc = doc
-  this.node = node
-}
-eventMixin(LineWidget)
-
-function adjustScrollWhenAboveVisible(cm, line, diff) {
-  if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
-    addToScrollPos(cm, null, diff)
-}
-
-LineWidget.prototype.clear = function() {
-  let cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line)
-  if (no == null || !ws) return
-  for (let i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1)
-  if (!ws.length) line.widgets = null
-  let height = widgetHeight(this)
-  updateLineHeight(line, Math.max(0, line.height - height))
-  if (cm) runInOp(cm, () => {
-    adjustScrollWhenAboveVisible(cm, line, -height)
-    regLineChange(cm, no, "widget")
-  })
-}
-LineWidget.prototype.changed = function() {
-  let oldH = this.height, cm = this.doc.cm, line = this.line
-  this.height = null
-  let diff = widgetHeight(this) - oldH
-  if (!diff) return
-  updateLineHeight(line, line.height + diff)
-  if (cm) runInOp(cm, () => {
-    cm.curOp.forceUpdate = true
-    adjustScrollWhenAboveVisible(cm, line, diff)
-  })
-}
-
-export function addLineWidget(doc, handle, node, options) {
-  let widget = new LineWidget(doc, node, options)
-  let cm = doc.cm
-  if (cm && widget.noHScroll) cm.display.alignWidgets = true
-  changeLine(doc, handle, "widget", line => {
-    let widgets = line.widgets || (line.widgets = [])
-    if (widget.insertAt == null) widgets.push(widget)
-    else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget)
-    widget.line = line
-    if (cm && !lineIsHidden(doc, line)) {
-      let aboveVisible = heightAtLine(line) < doc.scrollTop
-      updateLineHeight(line, line.height + widgetHeight(widget))
-      if (aboveVisible) addToScrollPos(cm, null, widget.height)
-      cm.curOp.forceUpdate = true
-    }
-    return true
-  })
-  return widget
-}
diff --git a/js/codemirror-5.23.0/test/search_test.js b/js/codemirror-5.23.0/test/search_test.js
deleted file mode 100644
index 04a1e68..0000000
--- a/js/codemirror-5.23.0/test/search_test.js
+++ /dev/null
@@ -1,62 +0,0 @@
-(function() {
-  "use strict";
-
-  function test(name) {
-    var text = Array.prototype.slice.call(arguments, 1, arguments.length - 1).join("\n");
-    var body = arguments[arguments.length - 1];
-    return window.test("search_" + name, function() {
-      body(new CodeMirror.Doc(text));
-    });
-  }
-
-  function run(doc, query, insensitive) {
-    var cursor = doc.getSearchCursor(query, null, insensitive);
-    for (var i = 3; i < arguments.length; i += 4) {
-      var found = cursor.findNext();
-      is(found, "not enough results (forward)");
-      eqPos(Pos(arguments[i], arguments[i + 1]), cursor.from(), "from, forward, " + (i - 3) / 4);
-      eqPos(Pos(arguments[i + 2], arguments[i + 3]), cursor.to(), "to, forward, " + (i - 3) / 4);
-    }
-    is(!cursor.findNext(), "too many matches (forward)");
-    for (var i = arguments.length - 4; i >= 3; i -= 4) {
-      var found = cursor.findPrevious();
-      is(found, "not enough results (backwards)");
-      eqPos(Pos(arguments[i], arguments[i + 1]), cursor.from(), "from, backwards, " + (i - 3) / 4);
-      eqPos(Pos(arguments[i + 2], arguments[i + 3]), cursor.to(), "to, backwards, " + (i - 3) / 4);
-    }
-    is(!cursor.findPrevious(), "too many matches (backwards)");
-  }
-
-  test("simple", "abcdefg", "abcdefg", function(doc) {
-    run(doc, "cde", false, 0, 2, 0, 5, 1, 2, 1, 5);
-  });
-
-  test("multiline", "hallo", "goodbye", function(doc) {
-    run(doc, "llo\ngoo", false, 0, 2, 1, 3);
-    run(doc, "blah\nhall", false);
-    run(doc, "bye\neye", false);
-  });
-
-  test("regexp", "abcde", "abcde", function(doc) {
-    run(doc, /bcd/, false, 0, 1, 0, 4, 1, 1, 1, 4);
-    run(doc, /BCD/, false);
-    run(doc, /BCD/i, false, 0, 1, 0, 4, 1, 1, 1, 4);
-  });
-
-  test("insensitive", "hallo", "HALLO", "oink", "hAllO", function(doc) {
-    run(doc, "All", false, 3, 1, 3, 4);
-    run(doc, "All", true, 0, 1, 0, 4, 1, 1, 1, 4, 3, 1, 3, 4);
-  });
-
-  test("multilineInsensitive", "zie ginds komT", "De Stoomboot", "uit Spanje weer aan", function(doc) {
-    run(doc, "komt\nde stoomboot\nuit", false);
-    run(doc, "komt\nde stoomboot\nuit", true, 0, 10, 2, 3);
-    run(doc, "kOMt\ndE stOOmboot\nuiT", true, 0, 10, 2, 3);
-  });
-
-  test("expandingCaseFold", "İİ İİ", "uu uu", function(doc) {
-    if (phantom) return; // A Phantom bug makes this hang
-    run(doc, "", true, 0, 8, 0, 12, 1, 8, 1, 12);
-    run(doc, "İİ", true, 0, 3, 0, 5, 0, 6, 0, 8);
-  });
-})();
diff --git a/js/codemirror-5.39.0/.editorconfig b/js/codemirror-5.39.0/.editorconfig
new file mode 100644
index 0000000..7ed0206
--- /dev/null
+++ b/js/codemirror-5.39.0/.editorconfig
@@ -0,0 +1,7 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
diff --git a/js/codemirror-5.39.0/.gitattributes b/js/codemirror-5.39.0/.gitattributes
new file mode 100644
index 0000000..1c8c82d
--- /dev/null
+++ b/js/codemirror-5.39.0/.gitattributes
@@ -0,0 +1,8 @@
+*.txt   text eol=lf
+*.js    text eol=lf
+*.html  text eol=lf
+*.md    text eol=lf
+*.json  text eol=lf
+*.yml   text eol=lf
+*.css   text eol=lf
+*.svg   text eol=lf
diff --git a/js/codemirror-5.39.0/.gitignore b/js/codemirror-5.39.0/.gitignore
new file mode 100644
index 0000000..01019cf
--- /dev/null
+++ b/js/codemirror-5.39.0/.gitignore
@@ -0,0 +1,9 @@
+/node_modules
+/npm-debug.log
+/test*.html
+.tern-*
+*~
+*.swp
+.idea
+*.iml
+/lib/codemirror.js
diff --git a/js/codemirror-5.23.0/.npmignore b/js/codemirror-5.39.0/.npmignore
similarity index 100%
rename from js/codemirror-5.23.0/.npmignore
rename to js/codemirror-5.39.0/.npmignore
diff --git a/js/codemirror-5.23.0/.travis.yml b/js/codemirror-5.39.0/.travis.yml
similarity index 100%
rename from js/codemirror-5.23.0/.travis.yml
rename to js/codemirror-5.39.0/.travis.yml
diff --git a/js/codemirror-5.23.0/AUTHORS b/js/codemirror-5.39.0/AUTHORS
similarity index 83%
rename from js/codemirror-5.23.0/AUTHORS
rename to js/codemirror-5.39.0/AUTHORS
index 866c78f..52f2b9f 100644
--- a/js/codemirror-5.23.0/AUTHORS
+++ b/js/codemirror-5.39.0/AUTHORS
@@ -1,11 +1,13 @@
 List of CodeMirror contributors. Updated before every release.
 
+4oo4
 4r2r
 Aaron Brooks
 Abdelouahab
 Abe Fettig
 Adam Ahmed
 Adam King
+Adam Particka
 adanlobato
 Adán Lobato
 Adrian Aichner
@@ -17,6 +19,7 @@ Ahmad M. Zawawi
 ahoward
 Akeksandr Motsjonov
 Alasdair Smith
+AlbertHilb
 Alberto González Palomo
 Alberto Pose
 Albert Xing
@@ -29,6 +32,7 @@ alexey-k
 Alex Piggott
 Aliaksei Chapyzhenka
 Allen Sarkisyan
+Ami Fischman
 Amin Shali
 Amin Ullah Khan
 amshali@google.com
@@ -46,6 +50,7 @@ Andreas Reischuck
 Andres Taylor
 Andre von Houck
 Andrew Cheng
+Andrew Dassonville
 Andrey Fedorov
 Andrey Klyuchnikov
 Andrey Lushnikov
@@ -66,13 +71,19 @@ Anthony Grimes
 Anton Kovalyov
 Apollo Zhu
 AQNOUCH Mohammed
+Aram Shatakhtsyan
 areos
 Arnab Bose
+Arsène von Wyss
+Arthur Müller
+Arun Narasani
 as3boyan
+asolove
 atelierbram
 AtomicPages LLC
 Atul Bhouraskar
 Aurelian Oancea
+Axel Lewenhaupt
 Barret Rennie
 Basarat Ali Syed
 Bastian Müller
@@ -81,6 +92,7 @@ Bem Jones-Bey
 benbro
 Beni Cherniavsky-Paskin
 Benjamin DeCoste
+Benjamin Young
 Ben Keen
 Ben Miller
 Ben Mosher
@@ -90,22 +102,30 @@ Bharad
 BigBlueHat
 Billy Moon
 binny
+Bjorn Hansen
 B Krishna Chaitanya
 Blaine G
 blukat29
+Bo
 boomyjee
+Bo Peng
 borawjm
 Brad Metcalf
 Brandon Frohs
 Brandon Wamboldt
+Bret Little
 Brett Zamir
 Brian Grinstead
 Brian Sletten
+brrd
 Bruce Mitchener
+Bryan Massoth
 Caitlin Potter
 Calin Barbat
 callodacity
 Camilo Roca
+Casey Klebba
+César González Íñiguez
 Chad Jolly
 Chandra Sekhar Pydi
 Charles Skelton
@@ -116,18 +136,24 @@ Chris Granger
 Chris Houseknecht
 Chris Lohfink
 Chris Morgan
+Chris Reeves
 Chris Smith
+Christian Gruen
 Christian Oyarzun
 Christian Petrov
+christopherblaser
 Christopher Brown
+Christopher Kramer
 Christopher Mitchell
 Christopher Pfohl
 Chunliang Lyu
 ciaranj
 CodeAnimal
+CodeBitt
 coderaiser
 Cole R Lawrence
 ComFreek
+Cristian Prieto
 Curtis Gagliardi
 dagsta
 daines
@@ -142,6 +168,8 @@ Daniel Kesler
 Daniel KJ
 Daniel Neel
 Daniel Parnell
+Daniel Thwaites
+Danila Malyutin
 Danny Yoo
 darealshinji
 Darius Roberts
@@ -171,6 +199,7 @@ Drew Khoury
 Drini Cami
 Dror BG
 duralog
+dwelle
 eborden
 edsharp
 ekhaled
@@ -178,8 +207,10 @@ Elisée
 Emmanuel Schanzer
 Enam Mijbah Noor
 Eric Allam
+Eric Bogard
 Erik Welander
 eustas
+Fabien Dubosson
 Fabien O'Carroll
 Fabio Zendhi Nagao
 Faiza Alsaied
@@ -191,12 +222,16 @@ Felix Raab
 ficristo
 Filip Noetzel
 Filip Stollár
+Filype Pereira
 flack
+Florian Felten
 ForbesLindesay
 Forbes Lindesay
 Ford_Lawnmower
 Forrest Oliphant
+Franco Catena
 Frank Wiegand
+Fredrik Borg
 Gabriel Gheorghian
 Gabriel Horner
 Gabriel Nahmias
@@ -205,6 +240,8 @@ Gary Sheng
 Gautam Mehta
 Gavin Douglas
 gekkoe
+Geordie Hall
+George Stephanis
 geowarin
 Gerard Braad
 Gergely Hegykozi
@@ -212,6 +249,7 @@ Giovanni Calò
 Glebov Boris
 Glenn Jorde
 Glenn Ruehle
+goldsmcb
 Golevka
 Google Inc.
 Gordon Smith
@@ -219,6 +257,7 @@ Grant Skinner
 greengiant
 Gregory Koberger
 Grzegorz Mazur
+Guan Gui
 Guillaume Massé
 Guillaume Massé
 guraga
@@ -228,15 +267,21 @@ Hans Engel
 Hardest
 Harshvardhan Gupta
 Hasan Karahan
+Heanes
 Hector Oswaldo Caballero
+Hélio
 Hendrik Wallbaum
+Henrik Haugbølle
 Herculano Campos
+hidaiy
 Hiroyuki Makino
 hitsthings
 Hocdoc
 Hugues Malphettes
 Ian Beck
+Ian Davies
 Ian Dickinson
+Ian Rose
 Ian Wehrman
 Ian Wetherbee
 Ice White
@@ -248,6 +293,7 @@ Irakli Gozalishvili
 Ivan Kurnosov
 Ivoah
 Jacob Lee
+Jaimin
 Jake Peyser
 Jakob Miland
 Jakub Vrana
@@ -256,6 +302,7 @@ James Campos
 James Howard
 James Thorne
 Jamie Hill
+Jamie Morris
 Jan Jongboom
 jankeromnes
 Jan Keromnes
@@ -271,9 +318,11 @@ Jason Grout
 Jason Johnston
 Jason San Jose
 Jason Siefken
+Jayaprabhakar
 Jaydeep Solanki
 Jean Boussier
 Jeff Blaisdell
+Jeff Hanke
 Jeff Jenkins
 jeffkenton
 Jeff Pickhardt
@@ -281,6 +330,7 @@ jem (graphite)
 Jeremy Parmenter
 Jim
 Jim Avery
+jkaplon
 JobJob
 jochenberger
 Jochen Berger
@@ -295,6 +345,8 @@ John Snelson
 John Van Der Loo
 Jon Ander Peñalba
 Jonas Döbertin
+Jonas Helfer
+Jonathan Hart
 Jonathan Malmaud
 Jon Gacnik
 jongalloway
@@ -302,6 +354,7 @@ Jon Malmaud
 Jon Sangster
 Joost-Wim Boekesteijn
 Joseph Pecoraro
+Josh Barnes
 Josh Cohen
 Josh Soref
 Joshua Newman
@@ -312,18 +365,22 @@ ju1ius
 Juan Benavides Romero
 Jucovschi Constantin
 Juho Vuori
+Julien CROUZET
 Julien Rebetez
 Justin Andresen
 Justin Hileman
 jwallers@gmail.com
 kaniga
 karevn
+Karol
 Kayur Patel
 Kazuhito Hokamura
 Ken Newman
 ken restivo
 Ken Rockot
 Kevin Earls
+Kevin Kwok
+Kevin Muret
 Kevin Sawicki
 Kevin Ushey
 Klaus Silveira
@@ -336,19 +393,26 @@ ks-ifware
 kubelsmieci
 KwanEsq
 Kyle Kelley
+KyleMcNutt
 Lanfei
 Lanny
+laobubu
 Laszlo Vidacs
 leaf corcoran
+Lemmon
 Leonid Khachaturov
 Leon Sorokin
 Leonya Khachaturov
 Liam Newman
 Libo Cannici
+Lior Goldberg
+Lior Shub
 LloydMilligan
 LM
 lochel
 Lorenzo Stoakes
+Louis Mauchet
+Luca Fabbri
 Luciano Longo
 Lu Fangjian
 Luke Browning
@@ -377,6 +441,7 @@ Mark Lentczner
 Marko Bonaci
 Mark Peace
 Markus Bordihn
+Markus Olsson
 Martin Balek
 Martín Gaitán
 Martin Hasoň
@@ -394,6 +459,7 @@ matthewhayes
 Matthew Rathbone
 Matthias Bussonnier
 Matthias BUSSONNIER
+Matt MacPherson
 Matt McDonald
 Matt Pass
 Matt Sacks
@@ -405,7 +471,9 @@ Max Schaefer
 Max Xiantu
 mbarkhau
 McBrainy
+mce2
 melpon
+meshuamam
 Metatheos
 Micah Dubinko
 Michael
@@ -413,8 +481,11 @@ Michael Goderbauer
 Michael Grey
 Michael Kaminsky
 Michael Lehenbauer
+Michael Walker
 Michael Zhou
+Michal Čihař
 Michal Dorner
+Michal Kapiczynski
 Mighty Guava
 Miguel Castillo
 mihailik
@@ -424,28 +495,38 @@ Mike Diaz
 Mike Ivanov
 Mike Kadin
 Mike Kobit
+Milan Szekely
 MinRK
 Miraculix87
 misfo
 mkaminsky11
 mloginov
+Moritz Schubotz (physikerwelt)
 Moritz Schwörer
+Moshe Wajnberg
 mps
 ms
 mtaran-google
 Mu-An Chiou
+Mu-An ✌️ Chiou
+mzabuawala
 Narciso Jaramillo
 Nathan Williams
 ndr
+Neil Anderson
+neon-dev
 nerbert
+NetworkNode
 nextrevision
 ngn
 nguillaumin
 Ng Zhi An
 Nicholas Bollweg
 Nicholas Bollweg (Nick)
+NickKolok
 Nick Kreeger
 Nick Small
+Nicolas Kick
 Nicolò Ribaudo
 Niels van Groningen
 nightwing
@@ -457,11 +538,16 @@ Nisarg Jhaveri
 nlwillia
 noragrossman
 Norman Rzepka
+opl-
 Oreoluwa Onatemowo
 Oskar Segersvärd
+overdodactyl
 pablo
 pabloferz
+Pablo Zubieta
+paddya
 Page
+paladox
 Panupong Pasupat
 paris
 Paris
@@ -484,12 +570,15 @@ peterkroon
 Peter Kroon
 Philipp A
 Philip Stadermann
+Pi Delport
 Pierre Gerold
-Piët Delport
+Pieter Ouwerkerk
 Pontus Melke
 prasanthj
 Prasanth J
 Prayag Verma
+Prendota
+Qiang Li
 Radek Piórkowski
 Rahul
 Rahul Anand
@@ -497,62 +586,83 @@ ramwin1
 Randall Mason
 Randy Burden
 Randy Edmunds
+Randy Luecke
+Raphael Amorim
 Rasmus Erik Voel Jensen
+Rasmus Schultz
+Raymond Hill
 ray ratchup
 Ray Ratchup
 Remi Nyborg
+Renaud Durlin
+Reynold Xin
 Richard Denton
 Richard van der Meer
 Richard Z.H. Wang
 Rishi Goomar
+Robert Brignull
 Robert Crossfield
 Roberto Abdelkader Martínez Pérez
 robertop23
 Robert Plummer
 Rrandom
+Rrrandom
 Ruslan Osmanov
+Ryan Petrello
 Ryan Prior
+ryu-sato
 sabaca
 Sam Lee
+Sam Rawlins
 Samuel Ainsworth
 Sam Wilson
 sandeepshetty
 Sander AKA Redsandro
 Sander Verweij
 santec
+Sarah McAlear and Wenlin Zhang
 Sascha Peilicke
 satamas
 satchmorun
 sathyamoorthi
+Saul Costa
 S. Chris Colbert
 SCLINIC\jdecker
 Scott Aikin
 Scott Goodhew
+Sebastian Wilzbach
 Sebastian Zaha
 Sergey Goder
 Sergey Tselovalnikov
 Se-Won Kim
+Shane Liesegang
 shaund
 shaun gilchrist
 Shawn A
 Shea Bunge
 sheopory
+Shil S
 Shiv Deepak
 Shmuel Englard
 Shubham Jain
 Siamak Mokhtari
 silverwind
+Simon Edwards
 sinkuu
 snasa
 soliton4
 sonson
+Sorab Bisht
 spastorelli
 srajanpaliwal
 Stanislav Oaserele
+stan-z
 Stas Kobzar
 Stefan Borsje
 Steffen Beyer
 Steffen Bruchmann
+Steffen Kowalski
+Stephane Moore
 Stephen Lavelle
 Steve Champagne
 Steve Hoover
@@ -565,15 +675,18 @@ Taha Jahangir
 takamori
 Tako Schotanus
 Takuji Shimokawa
+Takuya Matsuyama
 Tarmil
 TDaglis
 tel
+Tentone
 tfjgeorge
 Thaddee Tyl
 thanasis
 TheHowl
 themrmax
 think
+Thomas Brouard
 Thomas Dvornik
 Thomas Kluyver
 Thomas Schmid
@@ -582,44 +695,58 @@ Tim Baumann
 Timothy Farrell
 Timothy Gu
 Timothy Hatcher
+Tobias Bertelsen
 TobiasBg
 Todd Berman
+Todd Kennedy
 Tomas-A
 Tomas Varaneckas
 Tom Erik Støwer
 Tom Klancer
 Tom MacWright
+Tom McLaughlin
 Tony Jian
+tophf
+totalamd
 Travis Heppe
 Triangle717
 Tristan Tarrant
 TSUYUSATO Kitsune
+Tugrul Elmas
 twifkak
+Tyler Long
+Vadzim Ramanenka
+Vaibhav Sagar
 VapidWorx
 Vestimir Markov
 vf
 Victor Bocharsky
 Vincent Woo
 Volker Mische
+vtripolitakis
 Weiyan Shao
 wenli
 Wes Cossick
 Wesley Wiser
+Weston Ruter
 Will Binns-Smith
 Will Dean
 William Jamieson
 William Stein
 Willy
 Wojtek Ptak
+wonderboyjon
 Wu Cheng-Han
 Xavier Mendez
 Yassin N. Hassan
 YNH Webdev
 Yunchi Luo
 Yuvi Panda
+Yvonnick Esnault
 Zac Anger
 Zachary Dremann
 Zeno Rocha
 Zhang Hao
+Ziv
 zziuni
 魏鹏刚
diff --git a/js/codemirror-5.23.0/CHANGELOG.md b/js/codemirror-5.39.0/CHANGELOG.md
similarity index 76%
rename from js/codemirror-5.23.0/CHANGELOG.md
rename to js/codemirror-5.39.0/CHANGELOG.md
index 07ed029..75b0de9 100644
--- a/js/codemirror-5.23.0/CHANGELOG.md
+++ b/js/codemirror-5.39.0/CHANGELOG.md
@@ -1,3 +1,443 @@
+## 5.39.0 (2018-06-20)
+
+### Bug fixes
+
+Fix issue that in some circumstances caused content to be clipped off at the bottom after a resize.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Improve handling of blank lines in HTML tags.
+
+### New features
+
+[stex mode](http://codemirror.net/mode/stex/): Add an `inMathMode` option to start the mode in math mode.
+
+## 5.38.0 (2018-05-21)
+
+### Bug fixes
+
+Improve reliability of noticing a missing mouseup event during dragging.
+
+Make sure `getSelection` is always called on the correct document.
+
+Fix interpretation of line breaks and non-breaking spaces inserted by renderer in contentEditable mode.
+
+Work around some browsers inexplicably making the fake scrollbars focusable.
+
+Make sure `coordsChar` doesn't return positions inside collapsed ranges.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Support block scopes, bindingless catch, bignum suffix, `s` regexp flag.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Adjust a wasteful regexp.
+
+[show-hint addon](http://codemirror.net/doc/manual.html#addon_show-hint): Allow opening the control without any item selected.
+
+### New features
+
+New theme: [darcula](http://codemirror.net/demo/theme.html#darcula).
+
+[dialog addon](http://codemirror.net/doc/manual.html#addon_dialog): Add a CSS class (`dialog-opened`) to the editor when a dialog is open.
+
+## 5.37.0 (2018-04-20)
+
+### Bug fixes
+
+Suppress keypress events during composition, for platforms that don't properly do this themselves.
+
+[xml-fold addon](http://codemirror.net/demo/folding.html): Improve handling of line-wrapped opening tags.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Improve TypeScript support.
+
+[python mode](http://codemirror.net/mode/python/): Highlight expressions inside format strings.
+
+### New features
+
+[vim bindings](http://codemirror.net/demo/vim.html): Add support for '(' and ')' movement.
+
+New themes: [idea](http://codemirror.net/demo/theme.html#idea), [ssms](http://codemirror.net/demo/theme.html#ssms), [gruvbox-dark](http://codemirror.net/demo/theme.html#gruvbox-dark).
+
+## 5.36.0 (2018-03-20)
+
+### Bug fixes
+
+Make sure all document-level event handlers are registered on the document that the editor is part of.
+
+Fix issue that prevented edits whose origin starts with `+` from being combined in history events for an editor-less document.
+
+[multiplex addon](http://codemirror.net/demo/multiplex.html): Improve handling of indentation.
+
+[merge addon](http://codemirror.net/doc/manual.html#addon_merge): Use CSS `:after` element to style the scroll-lock icon.
+
+[javascript-hint addon](http://codemirror.net/doc/manual.html#addon_javascript-hint): Don't provide completions in JSON mode.
+
+[continuelist addon](http://codemirror.net/doc/manual.html#addon_continuelist): Fix numbering error.
+
+[show-hint addon](http://codemirror.net/doc/manual.html#addon_show-hint): Make `fromList` completion strategy act on the current token up to the cursor, rather than the entire token.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Fix a regexp with potentially exponental complexity.
+
+### New features
+
+New theme: [lucario](http://codemirror.net/demo/theme.html#lucario).
+
+## 5.35.0 (2018-02-20)
+
+### Bug fixes
+
+Fix problem where selection undo might change read-only documents.
+
+Fix crash when calling `addLineWidget` on a document that has no attached editor.
+
+[searchcursor addon](http://codemirror.net/doc/manual.html#addon_searchcursor): Fix behavior of `^` in multiline regexp mode.
+
+[match-highlighter addon](http://codemirror.net/doc/manual.html#addon_match-highlighter): Fix problem with matching words that have regexp special syntax in them.
+
+[sublime bindings](http://codemirror.net/demo/sublime.html): Fix `addCursorToSelection` for short lines.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Support TypeScript intersection types, dynamic `import`.
+
+[stex mode](http://codemirror.net/mode/stex/): Fix parsing of `\(` `\)` delimiters, recognize more atom arguments.
+
+[haskell mode](http://codemirror.net/mode/haskell/): Highlight more builtins, support `<*` and `*>`.
+
+[sql mode](http://codemirror.net/mode/sql/): Make it possible to disable backslash escapes in strings for dialects that don't have them, do this for MS SQL.
+
+[dockerfile mode](http://codemirror.net/mode/dockerfile/): Highlight strings and ports, recognize more instructions.
+
+### New features
+
+[vim bindings](http://codemirror.net/demo/vim.html): Support alternative delimiters in replace command.
+
+## 5.34.0 (2018-01-29)
+
+### Bug fixes
+
+[markdown mode](http://codemirror.net/mode/markdown/): Fix a problem where inline styles would persist across list items.
+
+[sublime bindings](http://codemirror.net/demo/sublime.html): Fix the `toggleBookmark` command.
+
+[closebrackets addon](http://codemirror.net/doc/manual.html#addon_closebrackets): Improve behavior when closing triple quotes.
+
+[xml-fold addon](http://codemirror.net/demo/folding.html): Fix folding of line-broken XML tags.
+
+[shell mode](http://codemirror.net/mode/shell/): Better handling of nested quoting.
+
+[javascript-lint addon](http://codemirror.net/demo/lint.html): Clean up and simplify.
+
+[matchbrackets addon](http://codemirror.net/doc/manual.html#addon_matchbrackets): Fix support for multiple editors at the same time.
+
+### New features
+
+New themes: [oceanic-next](http://codemirror.net/demo/theme.html#oceanic-next) and [shadowfox](http://codemirror.net/demo/theme.html#shadowfox).
+
+## 5.33.0 (2017-12-21)
+
+### Bug fixes
+
+[lint addon](http://codemirror.net/doc/manual.html#addon_lint): Make updates more efficient.
+
+[css mode](http://codemirror.net/mode/css/): The mode is now properly case-insensitive.
+
+[continuelist addon](http://codemirror.net/doc/manual.html#addon_continuelist): Fix broken handling of unordered lists introduced in previous release.
+
+[swift](http://codemirror.net/mode/swift) and [scala](http://codemirror.net/mode/clike/) modes: Support nested block comments.
+
+[mllike mode](http://codemirror.net/mode/mllike/index.html): Improve OCaml support.
+
+[sublime bindings](http://codemirror.net/demo/sublime.html): Use the proper key bindings for `addCursorToNextLine` and `addCursorToPrevLine`.
+
+### New features
+
+[jsx mode](http://codemirror.net/mode/jsx/index.html): Support JSX fragments.
+
+[closetag addon](http://codemirror.net/demo/closetag.html): Add an option to disable auto-indenting.
+
+## 5.32.0 (2017-11-22)
+
+### Bug fixes
+
+Increase contrast on default bracket-matching colors.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Recognize TypeScript type parameters for calls, type guards, and type parameter defaults. Improve handling of `enum` and `module` keywords.
+
+[comment addon](http://codemirror.net/doc/manual.html#addon_comment): Fix bug when uncommenting a comment that spans all but the last selected line.
+
+[searchcursor addon](http://codemirror.net/doc/manual.html#addon_searchcursor): Fix bug in case folding.
+
+[emacs bindings](http://codemirror.net/demo/emacs.html): Prevent single-character deletions from resetting the kill ring.
+
+[closebrackets addon](http://codemirror.net/doc/manual.html#addon_closebrackets): Tweak quote matching behavior.
+
+### New features
+
+[continuelist addon](http://codemirror.net/doc/manual.html#addon_continuelist): Increment ordered list numbers when adding one.
+
+## 5.31.0 (2017-10-20)
+
+### Bug fixes
+
+Further improve selection drawing and cursor motion in right-to-left documents.
+
+[vim bindings](http://codemirror.net/demo/vim.html): Fix ctrl-w behavior, support quote-dot and backtick-dot marks, make the wide cursor visible in contentEditable [input mode](http://codemirror.net/doc/manual.html#option_contentEditable).
+
+[continuecomment addon](http://codemirror.net/doc/manual.html#addon_continuecomment): Fix bug when pressing enter after a single-line block comment.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Fix issue with leaving indented fenced code blocks.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Fix bad parsing of operators without spaces between them. Fix some corner cases around semicolon insertion and regexps.
+
+### New features
+
+Modes added with [`addOverlay`](http://codemirror.net/doc/manual.html#addOverlay) now have access to a [`baseToken`](http://codemirror.net/doc/manual.html#baseToken) method on their input stream, giving access to the tokens of the underlying mode.
+
+## 5.30.0 (2017-09-20)
+
+### Bug fixes
+
+Fixed a number of issues with drawing right-to-left selections and mouse selection in bidirectional text.
+
+[search addon](http://codemirror.net/demo/search/): Fix crash when restarting search after doing empty search.
+
+[mark-selection addon](http://cm/doc/manual.html#addon_mark-selection): Fix off-by-one bug.
+
+[tern addon](http://codemirror.net/demo/tern.html): Fix bad request made when editing at the bottom of a large document.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Improve parsing in a number of corner cases.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Fix crash when a sub-mode doesn't support indentation, allow uppercase X in task lists.
+
+[gfm mode](http://codemirror.net/mode/gfm/): Don't highlight SHA1 'hashes' without numbers to avoid false positives.
+
+[soy mode](http://codemirror.net/mode/soy/): Support injected data and `@param` in comments.
+
+### New features
+
+[simple mode addon](http://codemirror.net/demo/simplemode.html): Allow groups in regexps when `token` isn't an array.
+
+## 5.29.0 (2017-08-24)
+
+### Bug fixes
+
+Fix crash in contentEditable input style when editing near a bookmark.
+
+Make sure change origins are preserved when splitting changes on [read-only marks](http://codemirror.net/doc/manual.html#mark_readOnly).
+
+[javascript mode](http://codemirror.net/mode/javascript/): More support for TypeScript syntax.
+
+[d mode](http://codemirror.net/mode/d/): Support nested comments.
+
+[python mode](http://codemirror.net/mode/python/): Improve tokenizing of operators.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Further improve CommonMark conformance.
+
+[css mode](http://codemirror.net/mode/css/): Don't run comment tokens through the mode's state machine.
+
+[shell mode](http://codemirror.net/mode/shell/): Allow strings to span lines.
+
+[search addon](http://codemirror.net/demo/search/): Fix crash in persistent search when `extraKeys` is null.
+
+## 5.28.0 (2017-07-21)
+
+### Bug fixes
+
+Fix copying of, or replacing editor content with, a single dash character when copying a big selection in some corner cases.
+
+Make [`"goLineLeft"`](http://codemirror.net/doc/manual.html#command_goLineLeft)/`"goLineRight"` behave better on wrapped lines.
+
+[sql mode](http://codemirror.net/mode/sql/): Fix tokenizing of multi-dot operator and allow digits in subfield names.
+
+[searchcursor addon](http://codemirror.net/doc/manual.html#addon_searchcursor): Fix infinite loop on some composed character inputs.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Make list parsing more CommonMark-compliant.
+
+[gfm mode](http://codemirror.net/mode/gfm/): Highlight colon syntax for emoji.
+
+### New features
+
+Expose [`startOperation`](http://codemirror.net/doc/manual.html#startOperation) and `endOperation` for explicit operation management.
+
+[sublime bindings](http://codemirror.net/demo/sublime.html): Add extend-selection (Ctrl-Alt- or Cmd-Shift-Up/Down).
+
+## 5.27.4 (2017-06-29)
+
+### Bug fixes
+
+Fix crash when using mode lookahead.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Don't block inner mode's indentation support.
+
+## 5.27.2 (2017-06-22)
+
+### Bug fixes
+
+Fix crash in the [simple mode](http://codemirror.net/demo/simplemode.html)< addon.
+
+## 5.27.0 (2017-06-22)
+
+### Bug fixes
+
+Fix infinite loop in forced display update.
+
+Properly disable the hidden textarea when `readOnly` is `"nocursor"`.
+
+Calling the `Doc` constructor without `new` works again.
+
+[sql mode](http://codemirror.net/mode/sql/): Handle nested comments.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Improve support for TypeScript syntax.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Fix bug where markup was ignored on indented paragraph lines.
+
+[vim bindings](http://codemirror.net/demo/vim.html): Referencing invalid registers no longer causes an uncaught exception.
+
+[rust mode](http://codemirror.net/mode/rust/): Add the correct MIME type.
+
+[matchbrackets addon](http://codemirror.net/doc/manual.html#addon_matchbrackets): Document options.
+
+### New features
+
+Mouse button clicks can now be bound in keymaps by using names like `"LeftClick"` or `"Ctrl-Alt-MiddleTripleClick"`. When bound to a function, that function will be passed the position of the click as second argument.
+
+The behavior of mouse selection and dragging can now be customized with the [`configureMouse`](http://codemirror.net/doc/manual.html#option_configureMouse) option.
+
+Modes can now look ahead across line boundaries with the [`StringStream`](http://codemirror.net/doc/manual.html#StringStream)`.lookahead` method.
+
+Introduces a `"type"` token type, makes modes that recognize types output it, and add styling for it to the themes.
+
+New [`pasteLinesPerSelection`](http://codemirror.net/doc/manual.html#option_pasteLinesPerSelection) option to control the behavior of pasting multiple lines into multiple selections.
+
+[searchcursor addon](http://codemirror.net/doc/manual.html#addon_searchcursor): Support multi-line regular expression matches, and normalize strings when matching.
+
+## 5.26.0 (2017-05-22)
+
+### Bug fixes
+
+In textarea-mode, don't reset the input field during composition.
+
+More careful restoration of selections in widgets, during editor redraw.
+
+[javascript mode](http://codemirror.net/mode/javascript/): More TypeScript parsing fixes.
+
+[julia mode](http://codemirror.net/mode/julia/): Fix issue where the mode gets stuck.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Understand cross-line links, parse all bracketed things as links.
+
+[soy mode](http://codemirror.net/mode/soy/): Support single-quoted strings.
+
+[go mode](http://codemirror.net/mode/go/): Don't try to indent inside strings or comments.
+
+### New features
+
+[vim bindings](http://codemirror.net/demo/vim.html): Parse line offsets in line or range specs.
+
+## 5.25.2 (2017-04-20)
+
+### Bug fixes
+
+Better handling of selections that cover the whole viewport in contentEditable-mode.
+
+No longer accidentally scroll the editor into view when calling `setValue`.
+
+Work around Chrome Android bug when converting screen coordinates to editor positions.
+
+Make sure long-clicking a selection sets a cursor and doesn't show the editor losing focus.
+
+Fix issue where pointer events were incorrectly disabled on Chrome's overlay scrollbars.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Recognize annotations and TypeScript-style type parameters.
+
+[shell mode](http://codemirror.net/mode/shell/): Handle nested braces.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Make parsing of strong/em delimiters CommonMark-compliant.
+
+## 5.25.0 (2017-03-20)
+
+### Bug fixes
+
+In contentEditable-mode, properly locate changes that repeat a character when inserted with IME.
+
+Fix handling of selections bigger than the viewport in contentEditable mode.
+
+Improve handling of changes that insert or delete lines in contentEditable mode.
+
+Count Unicode control characters 0x80 to 0x9F as special (non-printing) chars.
+
+Fix handling of shadow DOM roots when finding the active element.
+
+Add `role=presentation` to more DOM elements to improve screen reader support.
+
+[merge addon](http://codemirror.net/doc/manual.html#addon_merge): Make aligning of unchanged chunks more robust.
+
+[comment addon](http://codemirror.net/doc/manual.html#addon_comment): Fix comment-toggling on a block of text that starts and ends in a (differnet) block comment.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Improve support for TypeScript syntax.
+
+[r mode](http://codemirror.net/mode/r/): Fix indentation after semicolon-less statements.
+
+[shell mode](http://codemirror.net/mode/shell/): Properly handle escaped parentheses in parenthesized expressions.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Fix a few bugs around leaving fenced code blocks.
+
+[soy mode](http://codemirror.net/mode/soy/): Improve indentation.
+
+### New features
+
+[lint addon](http://codemirror.net/doc/manual.html#addon_lint): Support asynchronous linters that return promises.
+
+[continuelist addon](http://codemirror.net/doc/manual.html#addon_continuelist): Support continuing task lists.
+
+[vim bindings](http://codemirror.net/demo/vim.html): Make Y behave like yy.
+
+[sql mode](http://codemirror.net/mode/sql/): Support sqlite dialect.
+
+## 5.24.2 (2017-02-22)
+
+### Bug fixes
+
+[javascript mode](http://codemirror.net/mode/javascript/): Support computed class method names.
+
+[merge addon](http://codemirror.net/doc/manual.html#addon_merge): Improve aligning of unchanged code in the presence of marks and line widgets.
+
+## 5.24.0 (2017-02-20)
+
+### Bug fixes
+
+A cursor directly before a line-wrapping break is now drawn before or after the line break depending on which direction you arrived from.
+
+Visual cursor motion in line-wrapped right-to-left text should be much more correct.
+
+Fix bug in handling of read-only marked text.
+
+[shell mode](http://codemirror.net/mode/shell/): Properly tokenize nested parentheses.
+
+[python mode](http://codemirror.net/mode/python/): Support underscores in number literals.
+
+[sass mode](http://codemirror.net/mode/sass/): Uses the full list of CSS properties and keywords from the CSS mode, rather than defining its own incomplete subset.
+
+[css mode](http://codemirror.net/mode/css/): Expose `lineComment` property for LESS and SCSS dialects. Recognize vendor prefixes on pseudo-elements.
+
+[julia mode](http://codemirror.net/mode/julia/): Properly indent `elseif` lines.
+
+[markdown mode](http://codemirror.net/mode/markdown/): Properly recognize the end of fenced code blocks when inside other markup.
+
+[scala mode](http://codemirror.net/mode/clike/): Improve handling of operators containing #, @, and : chars.
+
+[xml mode](http://codemirror.net/mode/xml/): Allow dashes in HTML tag names.
+
+[javascript mode](http://codemirror.net/mode/javascript/): Improve parsing of async methods, TypeScript-style comma-separated superclass lists.
+
+[indent-fold addon](http://codemirror.net/demo/folding.html): Ignore comment lines.
+
+### New features
+
+Positions now support a `sticky` property which determines whether they should be associated with the character before (value `"before"`) or after (value `"after"`) them.
+
+[vim bindings](http://codemirror.net/demo/vim.html): Make it possible to remove built-in bindings through the API.
+
+[comment addon](http://codemirror.net/doc/manual.html#addon_comment): Support a per-mode useInnerComments option to optionally suppress descending to the inner modes to get comment strings.
+
+### Breaking changes
+
+The [sass mode](http://codemirror.net/mode/sass/) now depends on the [css mode](http://codemirror.net/mode/css/).
+
 ## 5.23.0 (2017-01-19)
 
 ### Bug fixes
diff --git a/js/codemirror-5.23.0/CONTRIBUTING.md b/js/codemirror-5.39.0/CONTRIBUTING.md
similarity index 95%
rename from js/codemirror-5.23.0/CONTRIBUTING.md
rename to js/codemirror-5.39.0/CONTRIBUTING.md
index c4cd019..1b0b104 100644
--- a/js/codemirror-5.23.0/CONTRIBUTING.md
+++ b/js/codemirror-5.39.0/CONTRIBUTING.md
@@ -47,6 +47,10 @@ should be asked on the
 
 ## Contributing code
 
+Note that we are not accepting any new addons or modes into the main
+distribution. If you've written such a module, please distribute it as
+a separate NPM package.
+
 - Make sure you have a [GitHub Account](https://github.com/signup/free)
 - Fork [CodeMirror](https://github.com/codemirror/CodeMirror/)
   ([how to fork a repo](https://help.github.com/articles/fork-a-repo))
diff --git a/js/codemirror-5.23.0/LICENSE b/js/codemirror-5.39.0/LICENSE
similarity index 98%
rename from js/codemirror-5.23.0/LICENSE
rename to js/codemirror-5.39.0/LICENSE
index 1bca6bf..ff7db4b 100644
--- a/js/codemirror-5.23.0/LICENSE
+++ b/js/codemirror-5.39.0/LICENSE
@@ -1,3 +1,5 @@
+MIT License
+
 Copyright (C) 2017 by Marijn Haverbeke  and others
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
diff --git a/js/codemirror-5.23.0/README.md b/js/codemirror-5.39.0/README.md
similarity index 74%
rename from js/codemirror-5.23.0/README.md
rename to js/codemirror-5.39.0/README.md
index 3328e3b..9a982bc 100644
--- a/js/codemirror-5.23.0/README.md
+++ b/js/codemirror-5.39.0/README.md
@@ -1,4 +1,5 @@
 # CodeMirror
+
 [![Build Status](https://travis-ci.org/codemirror/CodeMirror.svg)](https://travis-ci.org/codemirror/CodeMirror)
 [![NPM version](https://img.shields.io/npm/v/codemirror.svg)](https://www.npmjs.org/package/codemirror)
 [![Join the chat at https://gitter.im/codemirror/CodeMirror](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/codemirror/CodeMirror)  
@@ -7,7 +8,8 @@
 CodeMirror is a versatile text editor implemented in JavaScript for
 the browser. It is specialized for editing code, and comes with over
 100 language modes and various addons that implement more advanced
-editing functionality.
+editing functionality. Every language comes with fully-featured code
+and syntax highlighting to help with reading and editing complex code.
 
 A rich programming API and a CSS theming system are available for
 customizing CodeMirror to fit your application, and extending it with
@@ -27,6 +29,19 @@ The CodeMirror community aims to be welcoming to everybody. We use the
 (1.1)](http://contributor-covenant.org/version/1/1/0/) as our code of
 conduct.
 
+### Installation
+
+Either get the [zip file](https://codemirror.net/codemirror.zip) with
+the latest version, or make sure you have [Node](https://nodejs.org/)
+installed and run:
+
+    npm install codemirror
+
+**NOTE**: This is the source repository for the library, and not the
+distribution channel. Cloning it is not the recommended way to install
+the library, and will in fact not work unless you also run the build
+step.
+
 ### Quickstart
 
 To build the project, make sure you have Node.js installed (at least version 6)
diff --git a/js/codemirror-5.23.0/addon/comment/comment.js b/js/codemirror-5.39.0/addon/comment/comment.js
similarity index 93%
rename from js/codemirror-5.23.0/addon/comment/comment.js
rename to js/codemirror-5.39.0/addon/comment/comment.js
index d71cf43..84c67ed 100644
--- a/js/codemirror-5.23.0/addon/comment/comment.js
+++ b/js/codemirror-5.39.0/addon/comment/comment.js
@@ -46,12 +46,17 @@
 
   // Rough heuristic to try and detect lines that are part of multi-line string
   function probablyInsideString(cm, pos, line) {
-    return /\bstring\b/.test(cm.getTokenTypeAt(Pos(pos.line, 0))) && !/^[\'\"`]/.test(line)
+    return /\bstring\b/.test(cm.getTokenTypeAt(Pos(pos.line, 0))) && !/^[\'\"\`]/.test(line)
+  }
+
+  function getMode(cm, pos) {
+    var mode = cm.getMode()
+    return mode.useInnerComments === false || !mode.innerMode ? mode : cm.getModeAt(pos)
   }
 
   CodeMirror.defineExtension("lineComment", function(from, to, options) {
     if (!options) options = noOptions;
-    var self = this, mode = self.getModeAt(from);
+    var self = this, mode = getMode(self, from);
     var firstLine = self.getLine(from.line);
     if (firstLine == null || probablyInsideString(self, from, firstLine)) return;
 
@@ -95,7 +100,7 @@
 
   CodeMirror.defineExtension("blockComment", function(from, to, options) {
     if (!options) options = noOptions;
-    var self = this, mode = self.getModeAt(from);
+    var self = this, mode = getMode(self, from);
     var startString = options.blockCommentStart || mode.blockCommentStart;
     var endString = options.blockCommentEnd || mode.blockCommentEnd;
     if (!startString || !endString) {
@@ -129,7 +134,7 @@
 
   CodeMirror.defineExtension("uncomment", function(from, to, options) {
     if (!options) options = noOptions;
-    var self = this, mode = self.getModeAt(from);
+    var self = this, mode = getMode(self, from);
     var end = Math.min(to.ch != 0 || to.line == from.line ? to.line : to.line - 1, self.lastLine()), start = Math.min(from.line, end);
 
     // Try finding line comments
@@ -167,13 +172,11 @@
     if (open == -1) return false
     var endLine = end == start ? startLine : self.getLine(end)
     var close = endLine.indexOf(endString, end == start ? open + startString.length : 0);
-    if (close == -1 && start != end) {
-      endLine = self.getLine(--end);
-      close = endLine.indexOf(endString);
-    }
+    var insideStart = Pos(start, open + 1), insideEnd = Pos(end, close + 1)
     if (close == -1 ||
-        !/comment/.test(self.getTokenTypeAt(Pos(start, open + 1))) ||
-        !/comment/.test(self.getTokenTypeAt(Pos(end, close + 1))))
+        !/comment/.test(self.getTokenTypeAt(insideStart)) ||
+        !/comment/.test(self.getTokenTypeAt(insideEnd)) ||
+        self.getRange(insideStart, insideEnd, "\n").indexOf(endString) > -1)
       return false;
 
     // Avoid killing block comments completely outside the selection.
diff --git a/js/codemirror-5.23.0/addon/comment/continuecomment.js b/js/codemirror-5.39.0/addon/comment/continuecomment.js
similarity index 65%
rename from js/codemirror-5.23.0/addon/comment/continuecomment.js
rename to js/codemirror-5.39.0/addon/comment/continuecomment.js
index b11d51e..d92318b 100644
--- a/js/codemirror-5.23.0/addon/comment/continuecomment.js
+++ b/js/codemirror-5.39.0/addon/comment/continuecomment.js
@@ -9,39 +9,32 @@
   else // Plain browser env
     mod(CodeMirror);
 })(function(CodeMirror) {
-  var modes = ["clike", "css", "javascript"];
-
-  for (var i = 0; i < modes.length; ++i)
-    CodeMirror.extendMode(modes[i], {blockCommentContinue: " * "});
-
   function continueComment(cm) {
     if (cm.getOption("disableInput")) return CodeMirror.Pass;
     var ranges = cm.listSelections(), mode, inserts = [];
     for (var i = 0; i < ranges.length; i++) {
-      var pos = ranges[i].head, token = cm.getTokenAt(pos);
-      if (token.type != "comment") return CodeMirror.Pass;
-      var modeHere = CodeMirror.innerMode(cm.getMode(), token.state).mode;
+      var pos = ranges[i].head
+      if (!/\bcomment\b/.test(cm.getTokenTypeAt(pos))) return CodeMirror.Pass;
+      var modeHere = cm.getModeAt(pos)
       if (!mode) mode = modeHere;
       else if (mode != modeHere) return CodeMirror.Pass;
 
       var insert = null;
       if (mode.blockCommentStart && mode.blockCommentContinue) {
-        var end = token.string.indexOf(mode.blockCommentEnd);
-        var full = cm.getRange(CodeMirror.Pos(pos.line, 0), CodeMirror.Pos(pos.line, token.end)), found;
-        if (end != -1 && end == token.string.length - mode.blockCommentEnd.length && pos.ch >= end) {
+        var line = cm.getLine(pos.line).slice(0, pos.ch)
+        var end = line.lastIndexOf(mode.blockCommentEnd), found
+        if (end != -1 && end == pos.ch - mode.blockCommentEnd.length) {
           // Comment ended, don't continue it
-        } else if (token.string.indexOf(mode.blockCommentStart) == 0) {
-          insert = full.slice(0, token.start);
-          if (!/^\s*$/.test(insert)) {
-            insert = "";
-            for (var j = 0; j < token.start; ++j) insert += " ";
+        } else if ((found = line.lastIndexOf(mode.blockCommentStart)) > -1 && found > end) {
+          insert = line.slice(0, found)
+          if (/\S/.test(insert)) {
+            insert = ""
+            for (var j = 0; j < found; ++j) insert += " "
           }
-        } else if ((found = full.indexOf(mode.blockCommentContinue)) != -1 &&
-                   found + mode.blockCommentContinue.length > token.start &&
-                   /^\s*$/.test(full.slice(0, found))) {
-          insert = full.slice(0, found);
+        } else if ((found = line.indexOf(mode.blockCommentContinue)) > -1 && !/\S/.test(line.slice(0, found))) {
+          insert = line.slice(0, found)
         }
-        if (insert != null) insert += mode.blockCommentContinue;
+        if (insert != null) insert += mode.blockCommentContinue
       }
       if (insert == null && mode.lineComment && continueLineCommentEnabled(cm)) {
         var line = cm.getLine(pos.line), found = line.indexOf(mode.lineComment);
diff --git a/js/codemirror-5.23.0/addon/dialog/dialog.css b/js/codemirror-5.39.0/addon/dialog/dialog.css
similarity index 100%
rename from js/codemirror-5.23.0/addon/dialog/dialog.css
rename to js/codemirror-5.39.0/addon/dialog/dialog.css
diff --git a/js/codemirror-5.23.0/addon/dialog/dialog.js b/js/codemirror-5.39.0/addon/dialog/dialog.js
similarity index 95%
rename from js/codemirror-5.23.0/addon/dialog/dialog.js
rename to js/codemirror-5.39.0/addon/dialog/dialog.js
index f10bb5b..f61e447 100644
--- a/js/codemirror-5.23.0/addon/dialog/dialog.js
+++ b/js/codemirror-5.39.0/addon/dialog/dialog.js
@@ -25,6 +25,7 @@
     } else { // Assuming it's a detached DOM element.
       dialog.appendChild(template);
     }
+    CodeMirror.addClass(wrap, 'dialog-opened');
     return dialog;
   }
 
@@ -47,6 +48,7 @@
       } else {
         if (closed) return;
         closed = true;
+        CodeMirror.rmClass(dialog.parentNode, 'dialog-opened');
         dialog.parentNode.removeChild(dialog);
         me.focus();
 
@@ -102,6 +104,7 @@
     function close() {
       if (closed) return;
       closed = true;
+      CodeMirror.rmClass(dialog.parentNode, 'dialog-opened');
       dialog.parentNode.removeChild(dialog);
       me.focus();
     }
@@ -141,6 +144,7 @@
       if (closed) return;
       closed = true;
       clearTimeout(doneTimer);
+      CodeMirror.rmClass(dialog.parentNode, 'dialog-opened');
       dialog.parentNode.removeChild(dialog);
     }
 
diff --git a/js/codemirror-5.23.0/addon/display/autorefresh.js b/js/codemirror-5.39.0/addon/display/autorefresh.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/display/autorefresh.js
rename to js/codemirror-5.39.0/addon/display/autorefresh.js
diff --git a/js/codemirror-5.23.0/addon/display/fullscreen.css b/js/codemirror-5.39.0/addon/display/fullscreen.css
similarity index 100%
rename from js/codemirror-5.23.0/addon/display/fullscreen.css
rename to js/codemirror-5.39.0/addon/display/fullscreen.css
diff --git a/js/codemirror-5.23.0/addon/display/fullscreen.js b/js/codemirror-5.39.0/addon/display/fullscreen.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/display/fullscreen.js
rename to js/codemirror-5.39.0/addon/display/fullscreen.js
diff --git a/js/codemirror-5.23.0/addon/display/panel.js b/js/codemirror-5.39.0/addon/display/panel.js
similarity index 98%
rename from js/codemirror-5.23.0/addon/display/panel.js
rename to js/codemirror-5.39.0/addon/display/panel.js
index 74199ff..f88d152 100644
--- a/js/codemirror-5.23.0/addon/display/panel.js
+++ b/js/codemirror-5.39.0/addon/display/panel.js
@@ -66,7 +66,7 @@
   Panel.prototype.changed = function(height) {
     var newHeight = height == null ? this.node.offsetHeight : height;
     var info = this.cm.state.panels;
-    this.cm._setSize(null, info.height += (newHeight - this.height));
+    this.cm._setSize(null, info.heightLeft -= (newHeight - this.height));
     this.height = newHeight;
   };
 
diff --git a/js/codemirror-5.23.0/addon/display/placeholder.js b/js/codemirror-5.39.0/addon/display/placeholder.js
similarity index 97%
rename from js/codemirror-5.23.0/addon/display/placeholder.js
rename to js/codemirror-5.39.0/addon/display/placeholder.js
index 2f8b1f8..65753eb 100644
--- a/js/codemirror-5.23.0/addon/display/placeholder.js
+++ b/js/codemirror-5.39.0/addon/display/placeholder.js
@@ -38,6 +38,7 @@
     clearPlaceholder(cm);
     var elt = cm.state.placeholder = document.createElement("pre");
     elt.style.cssText = "height: 0; overflow: visible";
+    elt.style.direction = cm.getOption("direction");
     elt.className = "CodeMirror-placeholder";
     var placeHolder = cm.getOption("placeholder")
     if (typeof placeHolder == "string") placeHolder = document.createTextNode(placeHolder)
diff --git a/js/codemirror-5.23.0/addon/display/rulers.js b/js/codemirror-5.39.0/addon/display/rulers.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/display/rulers.js
rename to js/codemirror-5.39.0/addon/display/rulers.js
diff --git a/js/codemirror-5.23.0/addon/edit/closebrackets.js b/js/codemirror-5.39.0/addon/edit/closebrackets.js
similarity index 84%
rename from js/codemirror-5.23.0/addon/edit/closebrackets.js
rename to js/codemirror-5.39.0/addon/edit/closebrackets.js
index 62b99c1..86b2fe1 100644
--- a/js/codemirror-5.23.0/addon/edit/closebrackets.js
+++ b/js/codemirror-5.39.0/addon/edit/closebrackets.js
@@ -23,6 +23,7 @@
       cm.state.closeBrackets = null;
     }
     if (val) {
+      ensureBound(getOption(val, "pairs"))
       cm.state.closeBrackets = val;
       cm.addKeyMap(keyMap);
     }
@@ -34,10 +35,14 @@
     return defaults[name];
   }
 
-  var bind = defaults.pairs + "`";
   var keyMap = {Backspace: handleBackspace, Enter: handleEnter};
-  for (var i = 0; i < bind.length; i++)
-    keyMap["'" + bind.charAt(i) + "'"] = handler(bind.charAt(i));
+  function ensureBound(chars) {
+    for (var i = 0; i < chars.length; i++) {
+      var ch = chars.charAt(i), key = "'" + ch + "'"
+      if (!keyMap[key]) keyMap[key] = handler(ch)
+    }
+  }
+  ensureBound(defaults.pairs + "`")
 
   function handler(ch) {
     return function(cm) { return handleChar(cm, ch); };
@@ -79,7 +84,8 @@
       if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass;
     }
     cm.operation(function() {
-      cm.replaceSelection("\n\n", null);
+      var linesep = cm.lineSeparator() || "\n";
+      cm.replaceSelection(linesep + linesep, null);
       cm.execCommand("goCharLeft");
       ranges = cm.listSelections();
       for (var i = 0; i < ranges.length; i++) {
@@ -123,11 +129,12 @@
         else
           curType = "skip";
       } else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 &&
-                 cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch &&
-                 (cur.ch <= 2 || cm.getRange(Pos(cur.line, cur.ch - 3), Pos(cur.line, cur.ch - 2)) != ch)) {
+                 cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch) {
+        if (cur.ch > 2 && /\bstring/.test(cm.getTokenTypeAt(Pos(cur.line, cur.ch - 2)))) return CodeMirror.Pass;
         curType = "addFour";
       } else if (identical) {
-        if (!CodeMirror.isWordChar(next) && enteringString(cm, cur, ch)) curType = "both";
+        var prev = cur.ch == 0 ? " " : cm.getRange(Pos(cur.line, cur.ch - 1), cur)
+        if (!CodeMirror.isWordChar(next) && prev != ch && !CodeMirror.isWordChar(prev)) curType = "both";
         else return CodeMirror.Pass;
       } else if (opening && (cm.getLine(cur.line).length == cur.ch ||
                              isClosingBracket(next, pairs) ||
@@ -179,24 +186,9 @@
     return str.length == 2 ? str : null;
   }
 
-  // Project the token type that will exists after the given char is
-  // typed, and use it to determine whether it would cause the start
-  // of a string token.
-  function enteringString(cm, pos, ch) {
-    var line = cm.getLine(pos.line);
-    var token = cm.getTokenAt(pos);
-    if (/\bstring2?\b/.test(token.type)) return false;
-    var stream = new CodeMirror.StringStream(line.slice(0, pos.ch) + ch + line.slice(pos.ch), 4);
-    stream.pos = stream.start = token.start;
-    for (;;) {
-      var type1 = cm.getMode().token(stream, token.state);
-      if (stream.pos >= pos.ch + 1) return /\bstring2?\b/.test(type1);
-      stream.start = stream.pos;
-    }
-  }
-
   function stringStartsAfter(cm, pos) {
     var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1))
-    return /\bstring/.test(token.type) && token.start == pos.ch
+    return /\bstring/.test(token.type) && token.start == pos.ch &&
+      (pos.ch == 0 || !/\bstring/.test(cm.getTokenTypeAt(pos)))
   }
 });
diff --git a/js/codemirror-5.23.0/addon/edit/closetag.js b/js/codemirror-5.39.0/addon/edit/closetag.js
similarity index 92%
rename from js/codemirror-5.23.0/addon/edit/closetag.js
rename to js/codemirror-5.39.0/addon/edit/closetag.js
index a518da3..83f133a 100644
--- a/js/codemirror-5.23.0/addon/edit/closetag.js
+++ b/js/codemirror-5.39.0/addon/edit/closetag.js
@@ -53,13 +53,14 @@
   function autoCloseGT(cm) {
     if (cm.getOption("disableInput")) return CodeMirror.Pass;
     var ranges = cm.listSelections(), replacements = [];
+    var opt = cm.getOption("autoCloseTags");
     for (var i = 0; i < ranges.length; i++) {
       if (!ranges[i].empty()) return CodeMirror.Pass;
       var pos = ranges[i].head, tok = cm.getTokenAt(pos);
       var inner = CodeMirror.innerMode(cm.getMode(), tok.state), state = inner.state;
       if (inner.mode.name != "xml" || !state.tagName) return CodeMirror.Pass;
 
-      var opt = cm.getOption("autoCloseTags"), html = inner.mode.configuration == "html";
+      var html = inner.mode.configuration == "html";
       var dontCloseTags = (typeof opt == "object" && opt.dontCloseTags) || (html && htmlDontClose);
       var indentTags = (typeof opt == "object" && opt.indentTags) || (html && htmlIndent);
 
@@ -81,13 +82,14 @@
                          newPos: indent ? CodeMirror.Pos(pos.line + 1, 0) : CodeMirror.Pos(pos.line, pos.ch + 1)};
     }
 
+    var dontIndentOnAutoClose = (typeof opt == "object" && opt.dontIndentOnAutoClose);
     for (var i = ranges.length - 1; i >= 0; i--) {
       var info = replacements[i];
       cm.replaceRange(info.text, ranges[i].head, ranges[i].anchor, "+insert");
       var sel = cm.listSelections().slice(0);
       sel[i] = {head: info.newPos, anchor: info.newPos};
       cm.setSelections(sel);
-      if (info.indent) {
+      if (!dontIndentOnAutoClose && info.indent) {
         cm.indentLine(info.newPos.line, null, true);
         cm.indentLine(info.newPos.line + 1, null, true);
       }
@@ -97,6 +99,8 @@
   function autoCloseCurrent(cm, typingSlash) {
     var ranges = cm.listSelections(), replacements = [];
     var head = typingSlash ? "/" : "[> ]*|[*+-] \[[x ]\]\s|[*+-]\s|(\d+)([.)]))(\s*)/,
+      emptyListRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]|[*+-]|(\d+)[.)])(\s*)$/,
+      unorderedListRE = /[*+-]\s/;
+
+  CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) {
+    if (cm.getOption("disableInput")) return CodeMirror.Pass;
+    var ranges = cm.listSelections(), replacements = [];
+    for (var i = 0; i < ranges.length; i++) {
+      var pos = ranges[i].head;
+      var eolState = cm.getStateAfter(pos.line);
+      var inList = eolState.list !== false;
+      var inQuote = eolState.quote !== 0;
+
+      var line = cm.getLine(pos.line), match = listRE.exec(line);
+      var cursorBeforeBullet = /^\s*$/.test(line.slice(0, pos.ch));
+      if (!ranges[i].empty() || (!inList && !inQuote) || !match || cursorBeforeBullet) {
+        cm.execCommand("newlineAndIndent");
+        return;
+      }
+      if (emptyListRE.test(line)) {
+        if (!/>\s*$/.test(line)) cm.replaceRange("", {
+          line: pos.line, ch: 0
+        }, {
+          line: pos.line, ch: pos.ch + 1
+        });
+        replacements[i] = "\n";
+      } else {
+        var indent = match[1], after = match[5];
+        var numbered = !(unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0);
+        var bullet = numbered ? (parseInt(match[3], 10) + 1) + match[4] : match[2].replace("x", " ");
+        replacements[i] = "\n" + indent + bullet + after;
+
+        if (numbered) incrementRemainingMarkdownListNumbers(cm, pos);
+      }
+    }
+
+    cm.replaceSelections(replacements);
+  };
+
+  // Auto-updating Markdown list numbers when a new item is added to the
+  // middle of a list
+  function incrementRemainingMarkdownListNumbers(cm, pos) {
+    var startLine = pos.line, lookAhead = 0, skipCount = 0;
+    var startItem = listRE.exec(cm.getLine(startLine)), startIndent = startItem[1];
+
+    do {
+      lookAhead += 1;
+      var nextLineNumber = startLine + lookAhead;
+      var nextLine = cm.getLine(nextLineNumber), nextItem = listRE.exec(nextLine);
+
+      if (nextItem) {
+        var nextIndent = nextItem[1];
+        var newNumber = (parseInt(startItem[3], 10) + lookAhead - skipCount);
+        var nextNumber = (parseInt(nextItem[3], 10)), itemNumber = nextNumber;
+
+        if (startIndent === nextIndent && !isNaN(nextNumber)) {
+          if (newNumber === nextNumber) itemNumber = nextNumber + 1;
+          if (newNumber > nextNumber) itemNumber = newNumber + 1;
+          cm.replaceRange(
+            nextLine.replace(listRE, nextIndent + itemNumber + nextItem[4] + nextItem[5]),
+          {
+            line: nextLineNumber, ch: 0
+          }, {
+            line: nextLineNumber, ch: nextLine.length
+          });
+        } else {
+          if (startIndent.length > nextIndent.length) return;
+          // This doesn't run if the next line immediatley indents, as it is
+          // not clear of the users intention (new indented item or same level)
+          if ((startIndent.length < nextIndent.length) && (lookAhead === 1)) return;
+          skipCount += 1;
+        }
+      }
+    } while (nextItem);
+  }
+});
diff --git a/js/codemirror-5.23.0/addon/edit/matchbrackets.js b/js/codemirror-5.39.0/addon/edit/matchbrackets.js
similarity index 75%
rename from js/codemirror-5.23.0/addon/edit/matchbrackets.js
rename to js/codemirror-5.39.0/addon/edit/matchbrackets.js
index 76754ed..c9851bd 100644
--- a/js/codemirror-5.23.0/addon/edit/matchbrackets.js
+++ b/js/codemirror-5.39.0/addon/edit/matchbrackets.js
@@ -16,12 +16,21 @@
 
   var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
 
-  function findMatchingBracket(cm, where, strict, config) {
+  function findMatchingBracket(cm, where, config) {
     var line = cm.getLineHandle(where.line), pos = where.ch - 1;
-    var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
+    var afterCursor = config && config.afterCursor
+    if (afterCursor == null)
+      afterCursor = /(^| )cm-fat-cursor($| )/.test(cm.getWrapperElement().className)
+
+    // A cursor is defined as between two characters, but in in vim command mode
+    // (i.e. not insert mode), the cursor is visually represented as a
+    // highlighted box on top of the 2nd character. Otherwise, we allow matches
+    // from before or after the cursor.
+    var match = (!afterCursor && pos >= 0 && matching[line.text.charAt(pos)]) ||
+        matching[line.text.charAt(++pos)];
     if (!match) return null;
     var dir = match.charAt(1) == ">" ? 1 : -1;
-    if (strict && (dir > 0) != (pos == where.ch)) return null;
+    if (config && config.strict && (dir > 0) != (pos == where.ch)) return null;
     var style = cm.getTokenTypeAt(Pos(where.line, pos + 1));
 
     var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style || null, config);
@@ -69,7 +78,7 @@
     var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000;
     var marks = [], ranges = cm.listSelections();
     for (var i = 0; i < ranges.length; i++) {
-      var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, false, config);
+      var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, config);
       if (match && cm.getLine(match.from.line).length <= maxHighlightLen) {
         var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
         marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style}));
@@ -93,18 +102,23 @@
     }
   }
 
-  var currentlyHighlighted = null;
   function doMatchBrackets(cm) {
     cm.operation(function() {
-      if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;}
-      currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
+      if (cm.state.matchBrackets.currentlyHighlighted) {
+        cm.state.matchBrackets.currentlyHighlighted();
+        cm.state.matchBrackets.currentlyHighlighted = null;
+      }
+      cm.state.matchBrackets.currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
     });
   }
 
   CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) {
     if (old && old != CodeMirror.Init) {
       cm.off("cursorActivity", doMatchBrackets);
-      if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;}
+      if (cm.state.matchBrackets && cm.state.matchBrackets.currentlyHighlighted) {
+        cm.state.matchBrackets.currentlyHighlighted();
+        cm.state.matchBrackets.currentlyHighlighted = null;
+      }
     }
     if (val) {
       cm.state.matchBrackets = typeof val == "object" ? val : {};
@@ -113,8 +127,17 @@
   });
 
   CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);});
-  CodeMirror.defineExtension("findMatchingBracket", function(pos, strict, config){
-    return findMatchingBracket(this, pos, strict, config);
+  CodeMirror.defineExtension("findMatchingBracket", function(pos, config, oldConfig){
+    // Backwards-compatibility kludge
+    if (oldConfig || typeof config == "boolean") {
+      if (!oldConfig) {
+        config = config ? {strict: true} : null
+      } else {
+        oldConfig.strict = config
+        config = oldConfig
+      }
+    }
+    return findMatchingBracket(this, pos, config)
   });
   CodeMirror.defineExtension("scanForBracket", function(pos, dir, style, config){
     return scanForBracket(this, pos, dir, style, config);
diff --git a/js/codemirror-5.23.0/addon/edit/matchtags.js b/js/codemirror-5.39.0/addon/edit/matchtags.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/edit/matchtags.js
rename to js/codemirror-5.39.0/addon/edit/matchtags.js
diff --git a/js/codemirror-5.23.0/addon/edit/trailingspace.js b/js/codemirror-5.39.0/addon/edit/trailingspace.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/edit/trailingspace.js
rename to js/codemirror-5.39.0/addon/edit/trailingspace.js
diff --git a/js/codemirror-5.23.0/addon/fold/brace-fold.js b/js/codemirror-5.39.0/addon/fold/brace-fold.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/fold/brace-fold.js
rename to js/codemirror-5.39.0/addon/fold/brace-fold.js
diff --git a/js/codemirror-5.23.0/addon/fold/comment-fold.js b/js/codemirror-5.39.0/addon/fold/comment-fold.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/fold/comment-fold.js
rename to js/codemirror-5.39.0/addon/fold/comment-fold.js
diff --git a/js/codemirror-5.23.0/addon/fold/foldcode.js b/js/codemirror-5.39.0/addon/fold/foldcode.js
similarity index 98%
rename from js/codemirror-5.23.0/addon/fold/foldcode.js
rename to js/codemirror-5.39.0/addon/fold/foldcode.js
index 78b36c4..826766b 100644
--- a/js/codemirror-5.23.0/addon/fold/foldcode.js
+++ b/js/codemirror-5.39.0/addon/fold/foldcode.js
@@ -65,6 +65,8 @@
       widget = document.createElement("span");
       widget.appendChild(text);
       widget.className = "CodeMirror-foldmarker";
+    } else if (widget) {
+      widget = widget.cloneNode(true)
     }
     return widget;
   }
diff --git a/js/codemirror-5.23.0/addon/fold/foldgutter.css b/js/codemirror-5.39.0/addon/fold/foldgutter.css
similarity index 100%
rename from js/codemirror-5.23.0/addon/fold/foldgutter.css
rename to js/codemirror-5.39.0/addon/fold/foldgutter.css
diff --git a/js/codemirror-5.23.0/addon/fold/foldgutter.js b/js/codemirror-5.39.0/addon/fold/foldgutter.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/fold/foldgutter.js
rename to js/codemirror-5.39.0/addon/fold/foldgutter.js
diff --git a/js/codemirror-5.23.0/addon/fold/indent-fold.js b/js/codemirror-5.39.0/addon/fold/indent-fold.js
similarity index 57%
rename from js/codemirror-5.23.0/addon/fold/indent-fold.js
rename to js/codemirror-5.39.0/addon/fold/indent-fold.js
index e29f15e..f93edec 100644
--- a/js/codemirror-5.23.0/addon/fold/indent-fold.js
+++ b/js/codemirror-5.39.0/addon/fold/indent-fold.js
@@ -11,32 +11,36 @@
 })(function(CodeMirror) {
 "use strict";
 
+function lineIndent(cm, lineNo) {
+  var text = cm.getLine(lineNo)
+  var spaceTo = text.search(/\S/)
+  if (spaceTo == -1 || /\bcomment\b/.test(cm.getTokenTypeAt(CodeMirror.Pos(lineNo, spaceTo + 1))))
+    return -1
+  return CodeMirror.countColumn(text, null, cm.getOption("tabSize"))
+}
+
 CodeMirror.registerHelper("fold", "indent", function(cm, start) {
-  var tabSize = cm.getOption("tabSize"), firstLine = cm.getLine(start.line);
-  if (!/\S/.test(firstLine)) return;
-  var getIndent = function(line) {
-    return CodeMirror.countColumn(line, null, tabSize);
-  };
-  var myIndent = getIndent(firstLine);
-  var lastLineInFold = null;
+  var myIndent = lineIndent(cm, start.line)
+  if (myIndent < 0) return
+  var lastLineInFold = null
+
   // Go through lines until we find a line that definitely doesn't belong in
   // the block we're folding, or to the end.
   for (var i = start.line + 1, end = cm.lastLine(); i <= end; ++i) {
-    var curLine = cm.getLine(i);
-    var curIndent = getIndent(curLine);
-    if (curIndent > myIndent) {
+    var indent = lineIndent(cm, i)
+    if (indent == -1) {
+    } else if (indent > myIndent) {
       // Lines with a greater indent are considered part of the block.
       lastLineInFold = i;
-    } else if (!/\S/.test(curLine)) {
-      // Empty lines might be breaks within the block we're trying to fold.
     } else {
-      // A non-empty line at an indent equal to or less than ours marks the
-      // start of another block.
+      // If this line has non-space, non-comment content, and is
+      // indented less or equal to the start line, it is the start of
+      // another block.
       break;
     }
   }
   if (lastLineInFold) return {
-    from: CodeMirror.Pos(start.line, firstLine.length),
+    from: CodeMirror.Pos(start.line, cm.getLine(start.line).length),
     to: CodeMirror.Pos(lastLineInFold, cm.getLine(lastLineInFold).length)
   };
 });
diff --git a/js/codemirror-5.23.0/addon/fold/markdown-fold.js b/js/codemirror-5.39.0/addon/fold/markdown-fold.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/fold/markdown-fold.js
rename to js/codemirror-5.39.0/addon/fold/markdown-fold.js
diff --git a/js/codemirror-5.23.0/addon/fold/xml-fold.js b/js/codemirror-5.39.0/addon/fold/xml-fold.js
similarity index 94%
rename from js/codemirror-5.23.0/addon/fold/xml-fold.js
rename to js/codemirror-5.39.0/addon/fold/xml-fold.js
index 75a9e30..867ecb5 100644
--- a/js/codemirror-5.23.0/addon/fold/xml-fold.js
+++ b/js/codemirror-5.39.0/addon/fold/xml-fold.js
@@ -137,12 +137,14 @@
   CodeMirror.registerHelper("fold", "xml", function(cm, start) {
     var iter = new Iter(cm, start.line, 0);
     for (;;) {
-      var openTag = toNextTag(iter), end;
-      if (!openTag || iter.line != start.line || !(end = toTagEnd(iter))) return;
+      var openTag = toNextTag(iter)
+      if (!openTag || iter.line != start.line) return
+      var end = toTagEnd(iter)
+      if (!end) return
       if (!openTag[1] && end != "selfClose") {
         var startPos = Pos(iter.line, iter.ch);
         var endPos = findMatchingClose(iter, openTag[2]);
-        return endPos && {from: startPos, to: endPos.from};
+        return endPos && cmp(endPos.from, startPos) > 0 ? {from: startPos, to: endPos.from} : null
       }
     }
   });
@@ -163,10 +165,10 @@
     }
   };
 
-  CodeMirror.findEnclosingTag = function(cm, pos, range) {
+  CodeMirror.findEnclosingTag = function(cm, pos, range, tag) {
     var iter = new Iter(cm, pos.line, pos.ch, range);
     for (;;) {
-      var open = findMatchingOpen(iter);
+      var open = findMatchingOpen(iter, tag);
       if (!open) break;
       var forward = new Iter(cm, pos.line, pos.ch, range);
       var close = findMatchingClose(forward, open.tag);
diff --git a/js/codemirror-5.23.0/addon/hint/anyword-hint.js b/js/codemirror-5.39.0/addon/hint/anyword-hint.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/hint/anyword-hint.js
rename to js/codemirror-5.39.0/addon/hint/anyword-hint.js
diff --git a/js/codemirror-5.23.0/addon/hint/css-hint.js b/js/codemirror-5.39.0/addon/hint/css-hint.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/hint/css-hint.js
rename to js/codemirror-5.39.0/addon/hint/css-hint.js
diff --git a/js/codemirror-5.23.0/addon/hint/html-hint.js b/js/codemirror-5.39.0/addon/hint/html-hint.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/hint/html-hint.js
rename to js/codemirror-5.39.0/addon/hint/html-hint.js
diff --git a/js/codemirror-5.23.0/addon/hint/javascript-hint.js b/js/codemirror-5.39.0/addon/hint/javascript-hint.js
similarity index 93%
rename from js/codemirror-5.23.0/addon/hint/javascript-hint.js
rename to js/codemirror-5.39.0/addon/hint/javascript-hint.js
index d7088c1..f6ab2a2 100644
--- a/js/codemirror-5.23.0/addon/hint/javascript-hint.js
+++ b/js/codemirror-5.39.0/addon/hint/javascript-hint.js
@@ -32,7 +32,9 @@
     // Find the token at the cursor
     var cur = editor.getCursor(), token = getToken(editor, cur);
     if (/\b(?:string|comment)\b/.test(token.type)) return;
-    token.state = CodeMirror.innerMode(editor.getMode(), token.state).state;
+    var innerMode = CodeMirror.innerMode(editor.getMode(), token.state);
+    if (innerMode.mode.helperType === "json") return;
+    token.state = innerMode.state;
 
     // If it's not a 'word-style' token, ignore the token.
     if (!/^[\w$_]*$/.test(token.string)) {
@@ -92,8 +94,8 @@
   var arrayProps = ("length concat join splice push pop shift unshift slice reverse sort indexOf " +
                     "lastIndexOf every some filter forEach map reduce reduceRight ").split(" ");
   var funcProps = "prototype apply call bind".split(" ");
-  var javascriptKeywords = ("break case catch continue debugger default delete do else false finally for function " +
-                  "if in instanceof new null return switch throw true try typeof var void while with").split(" ");
+  var javascriptKeywords = ("break case catch class const continue debugger default delete do else export extends false finally for function " +
+                  "if in import instanceof new null return super switch this throw true try typeof var void while with yield").split(" ");
   var coffeescriptKeywords = ("and break catch class continue delete do else extends false finally for " +
                   "if in instanceof isnt new no not null of off on or return switch then throw true try typeof until void while with yes").split(" ");
 
diff --git a/js/codemirror-5.23.0/addon/hint/show-hint.css b/js/codemirror-5.39.0/addon/hint/show-hint.css
similarity index 100%
rename from js/codemirror-5.23.0/addon/hint/show-hint.css
rename to js/codemirror-5.39.0/addon/hint/show-hint.css
diff --git a/js/codemirror-5.23.0/addon/hint/show-hint.js b/js/codemirror-5.39.0/addon/hint/show-hint.js
similarity index 94%
rename from js/codemirror-5.23.0/addon/hint/show-hint.js
rename to js/codemirror-5.39.0/addon/hint/show-hint.js
index 604bd3b..26dc0f0 100644
--- a/js/codemirror-5.23.0/addon/hint/show-hint.js
+++ b/js/codemirror-5.39.0/addon/hint/show-hint.js
@@ -98,7 +98,7 @@
       var pos = this.cm.getCursor(), line = this.cm.getLine(pos.line);
       if (pos.line != this.startPos.line || line.length - pos.ch != this.startLen - this.startPos.ch ||
           pos.ch < this.startPos.ch || this.cm.somethingSelected() ||
-          (pos.ch && this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) {
+          (!pos.ch || this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) {
         this.close();
       } else {
         var self = this;
@@ -121,7 +121,6 @@
       var picked = (this.widget && this.widget.picked) || (first && this.options.completeSingle);
       if (this.widget) this.widget.close();
 
-      if (data && this.data && isNewCompletion(this.data, data)) return;
       this.data = data;
 
       if (data && data.list.length) {
@@ -135,11 +134,6 @@
     }
   };
 
-  function isNewCompletion(old, nw) {
-    var moved = CodeMirror.cmpPos(nw.from, old.from)
-    return moved > 0 && old.to.ch - old.from.ch != nw.to.ch - nw.from.ch
-  }
-
   function parseOptions(cm, pos, options) {
     var editor = cm.options.hintOptions;
     var out = {};
@@ -206,7 +200,8 @@
     var widget = this, cm = completion.cm;
 
     var hints = this.hints = document.createElement("ul");
-    hints.className = "CodeMirror-hints";
+    var theme = completion.cm.options.theme;
+    hints.className = "CodeMirror-hints " + theme;
     this.selectedHint = data.selectedHint || 0;
 
     var completions = data.list;
@@ -302,7 +297,7 @@
       setTimeout(function(){cm.focus();}, 20);
     });
 
-    CodeMirror.signal(data, "select", completions[0], hints.firstChild);
+    CodeMirror.signal(data, "select", completions[this.selectedHint], hints.childNodes[this.selectedHint]);
     return true;
   }
 
@@ -339,7 +334,7 @@
         i = avoidWrap ? 0  : this.data.list.length - 1;
       if (this.selectedHint == i) return;
       var node = this.hints.childNodes[this.selectedHint];
-      node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, "");
+      if (node) node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, "");
       node = this.hints.childNodes[this.selectedHint = i];
       node.className += " " + ACTIVE_HINT_ELEMENT_CLASS;
       if (node.offsetTop < this.hints.scrollTop)
@@ -403,12 +398,13 @@
   });
 
   CodeMirror.registerHelper("hint", "fromList", function(cm, options) {
-    var cur = cm.getCursor(), token = cm.getTokenAt(cur);
-    var to = CodeMirror.Pos(cur.line, token.end);
-    if (token.string && /\w/.test(token.string[token.string.length - 1])) {
-      var term = token.string, from = CodeMirror.Pos(cur.line, token.start);
+    var cur = cm.getCursor(), token = cm.getTokenAt(cur)
+    var term, from = CodeMirror.Pos(cur.line, token.start), to = cur
+    if (token.start < cur.ch && /\w/.test(token.string.charAt(cur.ch - token.start - 1))) {
+      term = token.string.substr(0, cur.ch - token.start)
     } else {
-      var term = "", from = to;
+      term = ""
+      from = cur
     }
     var found = [];
     for (var i = 0; i < options.words.length; i++) {
diff --git a/js/codemirror-5.23.0/addon/hint/sql-hint.js b/js/codemirror-5.39.0/addon/hint/sql-hint.js
similarity index 73%
rename from js/codemirror-5.23.0/addon/hint/sql-hint.js
rename to js/codemirror-5.39.0/addon/hint/sql-hint.js
index 1ee4f0b..62b69c9 100644
--- a/js/codemirror-5.23.0/addon/hint/sql-hint.js
+++ b/js/codemirror-5.39.0/addon/hint/sql-hint.js
@@ -14,6 +14,7 @@
   var tables;
   var defaultTable;
   var keywords;
+  var identifierQuote;
   var CONS = {
     QUERY_DIV: ";",
     ALIAS_KEYWORD: "AS"
@@ -28,6 +29,12 @@
     return CodeMirror.resolveMode(mode).keywords;
   }
 
+  function getIdentifierQuote(editor) {
+    var mode = editor.doc.modeOption;
+    if (mode === "sql") mode = "text/x-sql";
+    return CodeMirror.resolveMode(mode).identifierQuote || "`";
+  }
+
   function getText(item) {
     return typeof item == "string" ? item : item.text;
   }
@@ -86,17 +93,25 @@
   }
 
   function cleanName(name) {
-    // Get rid name from backticks(`) and preceding dot(.)
+    // Get rid name from identifierQuote and preceding dot(.)
     if (name.charAt(0) == ".") {
       name = name.substr(1);
     }
-    return name.replace(/`/g, "");
+    // replace doublicated identifierQuotes with single identifierQuotes
+    // and remove single identifierQuotes
+    var nameParts = name.split(identifierQuote+identifierQuote);
+    for (var i = 0; i < nameParts.length; i++)
+      nameParts[i] = nameParts[i].replace(new RegExp(identifierQuote,"g"), "");
+    return nameParts.join(identifierQuote);
   }
 
-  function insertBackticks(name) {
+  function insertIdentifierQuotes(name) {
     var nameParts = getText(name).split(".");
     for (var i = 0; i < nameParts.length; i++)
-      nameParts[i] = "`" + nameParts[i] + "`";
+      nameParts[i] = identifierQuote +
+        // doublicate identifierQuotes
+        nameParts[i].replace(new RegExp(identifierQuote,"g"), identifierQuote+identifierQuote) +
+        identifierQuote;
     var escaped = nameParts.join(".");
     if (typeof name == "string") return escaped;
     name = shallowClone(name);
@@ -106,13 +121,13 @@
 
   function nameCompletion(cur, token, result, editor) {
     // Try to complete table, column names and return start position of completion
-    var useBacktick = false;
+    var useIdentifierQuotes = false;
     var nameParts = [];
     var start = token.start;
     var cont = true;
     while (cont) {
       cont = (token.string.charAt(0) == ".");
-      useBacktick = useBacktick || (token.string.charAt(0) == "`");
+      useIdentifierQuotes = useIdentifierQuotes || (token.string.charAt(0) == identifierQuote);
 
       start = token.start;
       nameParts.unshift(cleanName(token.string));
@@ -127,12 +142,12 @@
     // Try to complete table names
     var string = nameParts.join(".");
     addMatches(result, string, tables, function(w) {
-      return useBacktick ? insertBackticks(w) : w;
+      return useIdentifierQuotes ? insertIdentifierQuotes(w) : w;
     });
 
     // Try to complete columns from defaultTable
     addMatches(result, string, defaultTable, function(w) {
-      return useBacktick ? insertBackticks(w) : w;
+      return useIdentifierQuotes ? insertIdentifierQuotes(w) : w;
     });
 
     // Try to complete columns
@@ -162,7 +177,7 @@
           w = shallowClone(w);
           w.text = tableInsert + "." + w.text;
         }
-        return useBacktick ? insertBackticks(w) : w;
+        return useIdentifierQuotes ? insertIdentifierQuotes(w) : w;
       });
     }
 
@@ -170,12 +185,9 @@
   }
 
   function eachWord(lineText, f) {
-    if (!lineText) return;
-    var excepted = /[,;]/g;
-    var words = lineText.split(" ");
-    for (var i = 0; i < words.length; i++) {
-      f(words[i]?words[i].replace(excepted, '') : '');
-    }
+    var words = lineText.split(/\s+/)
+    for (var i = 0; i < words.length; i++)
+      if (words[i]) f(words[i].replace(/[,;]/g, ''))
   }
 
   function findTableByAlias(alias, editor) {
@@ -210,18 +222,20 @@
       prevItem = separator[i];
     }
 
-    var query = doc.getRange(validRange.start, validRange.end, false);
-
-    for (var i = 0; i < query.length; i++) {
-      var lineText = query[i];
-      eachWord(lineText, function(word) {
-        var wordUpperCase = word.toUpperCase();
-        if (wordUpperCase === aliasUpperCase && getTable(previousWord))
-          table = previousWord;
-        if (wordUpperCase !== CONS.ALIAS_KEYWORD)
-          previousWord = word;
-      });
-      if (table) break;
+    if (validRange.start) {
+      var query = doc.getRange(validRange.start, validRange.end, false);
+
+      for (var i = 0; i < query.length; i++) {
+        var lineText = query[i];
+        eachWord(lineText, function(word) {
+          var wordUpperCase = word.toUpperCase();
+          if (wordUpperCase === aliasUpperCase && getTable(previousWord))
+            table = previousWord;
+          if (wordUpperCase !== CONS.ALIAS_KEYWORD)
+            previousWord = word;
+        });
+        if (table) break;
+      }
     }
     return table;
   }
@@ -232,6 +246,7 @@
     var disableKeywords = options && options.disableKeywords;
     defaultTable = defaultTableName && getTable(defaultTableName);
     keywords = getKeywords(editor);
+    identifierQuote = getIdentifierQuote(editor);
 
     if (defaultTableName && !defaultTable)
       defaultTable = findTableByAlias(defaultTableName, editor);
@@ -249,7 +264,7 @@
       token.string = token.string.slice(0, cur.ch - token.start);
     }
 
-    if (token.string.match(/^[.`\w@]\w*$/)) {
+    if (token.string.match(/^[.`"\w@]\w*$/)) {
       search = token.string;
       start = token.start;
       end = token.end;
@@ -257,13 +272,26 @@
       start = end = cur.ch;
       search = "";
     }
-    if (search.charAt(0) == "." || search.charAt(0) == "`") {
+    if (search.charAt(0) == "." || search.charAt(0) == identifierQuote) {
       start = nameCompletion(cur, token, result, editor);
     } else {
-      addMatches(result, search, tables, function(w) {return w;});
-      addMatches(result, search, defaultTable, function(w) {return w;});
+      addMatches(result, search, defaultTable, function(w) {return {text:w, className: "CodeMirror-hint-table CodeMirror-hint-default-table"};});
+      addMatches(
+          result,
+          search,
+          tables,
+          function(w) {
+              if (typeof w === 'object') {
+                  w.className =  "CodeMirror-hint-table";
+              } else {
+                  w = {text: w, className: "CodeMirror-hint-table"};
+              }
+
+              return w;
+          }
+      );
       if (!disableKeywords)
-        addMatches(result, search, keywords, function(w) {return w.toUpperCase();});
+        addMatches(result, search, keywords, function(w) {return {text: w.toUpperCase(), className: "CodeMirror-hint-keyword"};});
     }
 
     return {list: result, from: Pos(cur.line, start), to: Pos(cur.line, end)};
diff --git a/js/codemirror-5.23.0/addon/hint/xml-hint.js b/js/codemirror-5.39.0/addon/hint/xml-hint.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/hint/xml-hint.js
rename to js/codemirror-5.39.0/addon/hint/xml-hint.js
diff --git a/js/codemirror-5.23.0/addon/lint/coffeescript-lint.js b/js/codemirror-5.39.0/addon/lint/coffeescript-lint.js
similarity index 86%
rename from js/codemirror-5.23.0/addon/lint/coffeescript-lint.js
rename to js/codemirror-5.39.0/addon/lint/coffeescript-lint.js
index 7e39428..70621a1 100644
--- a/js/codemirror-5.23.0/addon/lint/coffeescript-lint.js
+++ b/js/codemirror-5.39.0/addon/lint/coffeescript-lint.js
@@ -17,6 +17,12 @@
 
 CodeMirror.registerHelper("lint", "coffeescript", function(text) {
   var found = [];
+  if (!window.coffeelint) {
+    if (window.console) {
+      window.console.error("Error: window.coffeelint not defined, CodeMirror CoffeeScript linting cannot run.");
+    }
+    return found;
+  }
   var parseError = function(err) {
     var loc = err.lineNumber;
     found.push({from: CodeMirror.Pos(loc-1, 0),
diff --git a/js/codemirror-5.23.0/addon/lint/css-lint.js b/js/codemirror-5.39.0/addon/lint/css-lint.js
similarity index 73%
rename from js/codemirror-5.23.0/addon/lint/css-lint.js
rename to js/codemirror-5.39.0/addon/lint/css-lint.js
index 1f61b47..135d031 100644
--- a/js/codemirror-5.23.0/addon/lint/css-lint.js
+++ b/js/codemirror-5.39.0/addon/lint/css-lint.js
@@ -15,10 +15,15 @@
 })(function(CodeMirror) {
 "use strict";
 
-CodeMirror.registerHelper("lint", "css", function(text) {
+CodeMirror.registerHelper("lint", "css", function(text, options) {
   var found = [];
-  if (!window.CSSLint) return found;
-  var results = CSSLint.verify(text), messages = results.messages, message = null;
+  if (!window.CSSLint) {
+    if (window.console) {
+        window.console.error("Error: window.CSSLint not defined, CodeMirror CSS linting cannot run.");
+    }
+    return found;
+  }
+  var results = CSSLint.verify(text, options), messages = results.messages, message = null;
   for ( var i = 0; i < messages.length; i++) {
     message = messages[i];
     var startLine = message.line -1, endLine = message.line -1, startCol = message.col -1, endCol = message.col;
diff --git a/js/codemirror-5.23.0/addon/lint/html-lint.js b/js/codemirror-5.39.0/addon/lint/html-lint.js
similarity index 76%
rename from js/codemirror-5.23.0/addon/lint/html-lint.js
rename to js/codemirror-5.39.0/addon/lint/html-lint.js
index 1e84170..23de9bb 100644
--- a/js/codemirror-5.23.0/addon/lint/html-lint.js
+++ b/js/codemirror-5.39.0/addon/lint/html-lint.js
@@ -11,8 +11,8 @@
   else if (typeof define == "function" && define.amd) // AMD
     define(["../../lib/codemirror", "htmlhint"], mod);
   else // Plain browser env
-    mod(CodeMirror);
-})(function(CodeMirror) {
+    mod(CodeMirror, window.HTMLHint);
+})(function(CodeMirror, HTMLHint) {
   "use strict";
 
   var defaultRules = {
@@ -29,7 +29,14 @@
 
   CodeMirror.registerHelper("lint", "html", function(text, options) {
     var found = [];
-    if (!window.HTMLHint) return found;
+    if (HTMLHint && !HTMLHint.verify) HTMLHint = HTMLHint.HTMLHint;
+    if (!HTMLHint) HTMLHint = window.HTMLHint;
+    if (!HTMLHint) {
+      if (window.console) {
+          window.console.error("Error: HTMLHint not found, not defined on window, or not available through define/require, CodeMirror HTML linting cannot run.");
+      }
+      return found;
+    }
     var messages = HTMLHint.verify(text, options && options.rules || defaultRules);
     for (var i = 0; i < messages.length; i++) {
       var message = messages[i];
diff --git a/js/codemirror-5.39.0/addon/lint/javascript-lint.js b/js/codemirror-5.39.0/addon/lint/javascript-lint.js
new file mode 100644
index 0000000..8266b7e
--- /dev/null
+++ b/js/codemirror-5.39.0/addon/lint/javascript-lint.js
@@ -0,0 +1,63 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  "use strict";
+  // declare global: JSHINT
+
+  function validator(text, options) {
+    if (!window.JSHINT) {
+      if (window.console) {
+        window.console.error("Error: window.JSHINT not defined, CodeMirror JavaScript linting cannot run.");
+      }
+      return [];
+    }
+    if (!options.indent) // JSHint error.character actually is a column index, this fixes underlining on lines using tabs for indentation
+      options.indent = 1; // JSHint default value is 4
+    JSHINT(text, options, options.globals);
+    var errors = JSHINT.data().errors, result = [];
+    if (errors) parseErrors(errors, result);
+    return result;
+  }
+
+  CodeMirror.registerHelper("lint", "javascript", validator);
+
+  function parseErrors(errors, output) {
+    for ( var i = 0; i < errors.length; i++) {
+      var error = errors[i];
+      if (error) {
+        if (error.line <= 0) {
+          if (window.console) {
+            window.console.warn("Cannot display JSHint error (invalid line " + error.line + ")", error);
+          }
+          continue;
+        }
+
+        var start = error.character - 1, end = start + 1;
+        if (error.evidence) {
+          var index = error.evidence.substring(start).search(/.\b/);
+          if (index > -1) {
+            end += index;
+          }
+        }
+
+        // Convert to format expected by validation service
+        var hint = {
+          message: error.reason,
+          severity: error.code ? (error.code.startsWith('W') ? "warning" : "error") : "error",
+          from: CodeMirror.Pos(error.line - 1, start),
+          to: CodeMirror.Pos(error.line - 1, end)
+        };
+
+        output.push(hint);
+      }
+    }
+  }
+});
diff --git a/js/codemirror-5.23.0/addon/lint/json-lint.js b/js/codemirror-5.39.0/addon/lint/json-lint.js
similarity index 71%
rename from js/codemirror-5.23.0/addon/lint/json-lint.js
rename to js/codemirror-5.39.0/addon/lint/json-lint.js
index 9dbb616..63e70c4 100644
--- a/js/codemirror-5.23.0/addon/lint/json-lint.js
+++ b/js/codemirror-5.39.0/addon/lint/json-lint.js
@@ -17,6 +17,15 @@
 
 CodeMirror.registerHelper("lint", "json", function(text) {
   var found = [];
+  if (!window.jsonlint) {
+    if (window.console) {
+      window.console.error("Error: window.jsonlint not defined, CodeMirror JSON linting cannot run.");
+    }
+    return found;
+  }
+  // for jsonlint's web dist jsonlint is exported as an object with a single property parser, of which parseError
+  // is a subproperty
+  var jsonlint = window.jsonlint.parser || window.jsonlint
   jsonlint.parseError = function(str, hash) {
     var loc = hash.loc;
     found.push({from: CodeMirror.Pos(loc.first_line - 1, loc.first_column),
diff --git a/js/codemirror-5.23.0/addon/lint/lint.css b/js/codemirror-5.39.0/addon/lint/lint.css
similarity index 100%
rename from js/codemirror-5.23.0/addon/lint/lint.css
rename to js/codemirror-5.39.0/addon/lint/lint.css
diff --git a/js/codemirror-5.23.0/addon/lint/lint.js b/js/codemirror-5.39.0/addon/lint/lint.js
similarity index 90%
rename from js/codemirror-5.23.0/addon/lint/lint.js
rename to js/codemirror-5.39.0/addon/lint/lint.js
index c1f1702..e00e77a 100644
--- a/js/codemirror-5.23.0/addon/lint/lint.js
+++ b/js/codemirror-5.39.0/addon/lint/lint.js
@@ -112,7 +112,11 @@
     if (!severity) severity = "error";
     var tip = document.createElement("div");
     tip.className = "CodeMirror-lint-message-" + severity;
-    tip.appendChild(document.createTextNode(ann.message));
+    if (typeof ann.messageHTML != 'undefined') {
+        tip.innerHTML = ann.messageHTML;
+    } else {
+        tip.appendChild(document.createTextNode(ann.message));
+    }
     return tip;
   }
 
@@ -128,19 +132,28 @@
       cm.off("change", abort)
       if (state.waitingFor != id) return
       if (arg2 && annotations instanceof CodeMirror) annotations = arg2
-      updateLinting(cm, annotations)
+      cm.operation(function() {updateLinting(cm, annotations)})
     }, passOptions, cm);
   }
 
   function startLinting(cm) {
     var state = cm.state.lint, options = state.options;
-    var passOptions = options.options || options; // Support deprecated passing of `options` property in options
+    /*
+     * Passing rules in `options` property prevents JSHint (and other linters) from complaining
+     * about unrecognized rules like `onUpdateLinting`, `delay`, `lintOnChange`, etc.
+     */
+    var passOptions = options.options || options;
     var getAnnotations = options.getAnnotations || cm.getHelper(CodeMirror.Pos(0, 0), "lint");
     if (!getAnnotations) return;
     if (options.async || getAnnotations.async) {
       lintAsync(cm, getAnnotations, passOptions)
     } else {
-      updateLinting(cm, getAnnotations(cm.getValue(), passOptions, cm));
+      var annotations = getAnnotations(cm.getValue(), passOptions, cm);
+      if (!annotations) return;
+      if (annotations.then) annotations.then(function(issues) {
+        cm.operation(function() {updateLinting(cm, issues)})
+      });
+      else cm.operation(function() {updateLinting(cm, annotations)})
     }
   }
 
diff --git a/js/codemirror-5.23.0/addon/lint/yaml-lint.js b/js/codemirror-5.39.0/addon/lint/yaml-lint.js
similarity index 55%
rename from js/codemirror-5.23.0/addon/lint/yaml-lint.js
rename to js/codemirror-5.39.0/addon/lint/yaml-lint.js
index 3f77e52..3954ed3 100644
--- a/js/codemirror-5.23.0/addon/lint/yaml-lint.js
+++ b/js/codemirror-5.39.0/addon/lint/yaml-lint.js
@@ -17,10 +17,23 @@
 
 CodeMirror.registerHelper("lint", "yaml", function(text) {
   var found = [];
+  if (!window.jsyaml) {
+    if (window.console) {
+      window.console.error("Error: window.jsyaml not defined, CodeMirror YAML linting cannot run.");
+    }
+    return found;
+  }
   try { jsyaml.load(text); }
   catch(e) {
-      var loc = e.mark;
-      found.push({ from: CodeMirror.Pos(loc.line, loc.column), to: CodeMirror.Pos(loc.line, loc.column), message: e.message });
+      var loc = e.mark,
+          // js-yaml YAMLException doesn't always provide an accurate lineno
+          // e.g., when there are multiple yaml docs
+          // ---
+          // ---
+          // foo:bar
+          from = loc ? CodeMirror.Pos(loc.line, loc.column) : CodeMirror.Pos(0, 0),
+          to = from;
+      found.push({ from: from, to: to, message: e.message });
   }
   return found;
 });
diff --git a/js/codemirror-5.23.0/addon/merge/merge.css b/js/codemirror-5.39.0/addon/merge/merge.css
similarity index 94%
rename from js/codemirror-5.23.0/addon/merge/merge.css
rename to js/codemirror-5.39.0/addon/merge/merge.css
index bda3d9f..dadd7f5 100644
--- a/js/codemirror-5.23.0/addon/merge/merge.css
+++ b/js/codemirror-5.39.0/addon/merge/merge.css
@@ -48,6 +48,12 @@
   color: #555;
   line-height: 1;
 }
+.CodeMirror-merge-scrolllock:after {
+  content: "\21db\00a0\00a0\21da";
+}
+.CodeMirror-merge-scrolllock.CodeMirror-merge-scrolllock-enabled:after {
+  content: "\21db\21da";
+}
 
 .CodeMirror-merge-copybuttons-left, .CodeMirror-merge-copybuttons-right {
   position: absolute;
diff --git a/js/codemirror-5.23.0/addon/merge/merge.js b/js/codemirror-5.39.0/addon/merge/merge.js
similarity index 73%
rename from js/codemirror-5.23.0/addon/merge/merge.js
rename to js/codemirror-5.39.0/addon/merge/merge.js
index a8132b6..5b87b5e 100644
--- a/js/codemirror-5.23.0/addon/merge/merge.js
+++ b/js/codemirror-5.39.0/addon/merge/merge.js
@@ -37,23 +37,29 @@
     constructor: DiffView,
     init: function(pane, orig, options) {
       this.edit = this.mv.edit;
-      (this.edit.state.diffViews || (this.edit.state.diffViews = [])).push(this);
+      ;(this.edit.state.diffViews || (this.edit.state.diffViews = [])).push(this);
       this.orig = CodeMirror(pane, copyObj({value: orig, readOnly: !this.mv.options.allowEditingOriginals}, copyObj(options)));
+      if (this.mv.options.connect == "align") {
+        if (!this.edit.state.trackAlignable) this.edit.state.trackAlignable = new TrackAlignable(this.edit)
+        this.orig.state.trackAlignable = new TrackAlignable(this.orig)
+      }
+
       this.orig.state.diffViews = [this];
       var classLocation = options.chunkClassLocation || "background";
       if (Object.prototype.toString.call(classLocation) != "[object Array]") classLocation = [classLocation]
       this.classes.classLocation = classLocation
 
-      this.diff = getDiff(asString(orig), asString(options.value));
+      this.diff = getDiff(asString(orig), asString(options.value), this.mv.options.ignoreWhitespace);
       this.chunks = getChunks(this.diff);
       this.diffOutOfDate = this.dealigned = false;
+      this.needsScrollSync = null
 
       this.showDifferences = options.showDifferences !== false;
     },
-    registerEvents: function() {
+    registerEvents: function(otherDv) {
       this.forceUpdate = registerUpdate(this);
       setScrollLock(this, true, false);
-      registerScroll(this);
+      registerScroll(this, otherDv);
     },
     setShowDifferences: function(val) {
       val = val !== false;
@@ -66,7 +72,7 @@
 
   function ensureDiff(dv) {
     if (dv.diffOutOfDate) {
-      dv.diff = getDiff(dv.orig.getValue(), dv.edit.getValue());
+      dv.diff = getDiff(dv.orig.getValue(), dv.edit.getValue(), dv.mv.options.ignoreWhitespace);
       dv.chunks = getChunks(dv.diff);
       dv.diffOutOfDate = false;
       CodeMirror.signal(dv.edit, "updateDiff", dv.diff);
@@ -97,6 +103,7 @@
       if (dv.mv.options.connect == "align")
         alignChunks(dv);
       makeConnections(dv);
+      if (dv.needsScrollSync != null) syncScroll(dv, dv.needsScrollSync)
 
       updating = false;
     }
@@ -121,41 +128,47 @@
     }
     function swapDoc() {
       dv.diffOutOfDate = true;
+      dv.dealigned = true;
       update("full");
     }
     dv.edit.on("change", change);
     dv.orig.on("change", change);
     dv.edit.on("swapDoc", swapDoc);
     dv.orig.on("swapDoc", swapDoc);
-    dv.edit.on("markerAdded", setDealign);
-    dv.edit.on("markerCleared", setDealign);
-    dv.orig.on("markerAdded", setDealign);
-    dv.orig.on("markerCleared", setDealign);
+    if (dv.mv.options.connect == "align") {
+      CodeMirror.on(dv.edit.state.trackAlignable, "realign", setDealign)
+      CodeMirror.on(dv.orig.state.trackAlignable, "realign", setDealign)
+    }
     dv.edit.on("viewportChange", function() { set(false); });
     dv.orig.on("viewportChange", function() { set(false); });
     update();
     return update;
   }
 
-  function registerScroll(dv) {
+  function registerScroll(dv, otherDv) {
     dv.edit.on("scroll", function() {
-      syncScroll(dv, DIFF_INSERT) && makeConnections(dv);
+      syncScroll(dv, true) && makeConnections(dv);
     });
     dv.orig.on("scroll", function() {
-      syncScroll(dv, DIFF_DELETE) && makeConnections(dv);
+      syncScroll(dv, false) && makeConnections(dv);
+      if (otherDv) syncScroll(otherDv, true) && makeConnections(otherDv);
     });
   }
 
-  function syncScroll(dv, type) {
+  function syncScroll(dv, toOrig) {
     // Change handler will do a refresh after a timeout when diff is out of date
-    if (dv.diffOutOfDate) return false;
+    if (dv.diffOutOfDate) {
+      if (dv.lockScroll && dv.needsScrollSync == null) dv.needsScrollSync = toOrig
+      return false
+    }
+    dv.needsScrollSync = null
     if (!dv.lockScroll) return true;
     var editor, other, now = +new Date;
-    if (type == DIFF_INSERT) { editor = dv.edit; other = dv.orig; }
+    if (toOrig) { editor = dv.edit; other = dv.orig; }
     else { editor = dv.orig; other = dv.edit; }
     // Don't take action if the position of this editor was recently set
     // (to prevent feedback loops)
-    if (editor.state.scrollSetBy == dv && (editor.state.scrollSetAt || 0) + 50 > now) return false;
+    if (editor.state.scrollSetBy == dv && (editor.state.scrollSetAt || 0) + 250 > now) return false;
 
     var sInfo = editor.getScrollInfo();
     if (dv.mv.options.connect == "align") {
@@ -163,9 +176,9 @@
     } else {
       var halfScreen = .5 * sInfo.clientHeight, midY = sInfo.top + halfScreen;
       var mid = editor.lineAtHeight(midY, "local");
-      var around = chunkBoundariesAround(dv.chunks, mid, type == DIFF_INSERT);
-      var off = getOffsets(editor, type == DIFF_INSERT ? around.edit : around.orig);
-      var offOther = getOffsets(other, type == DIFF_INSERT ? around.orig : around.edit);
+      var around = chunkBoundariesAround(dv.chunks, mid, toOrig);
+      var off = getOffsets(editor, toOrig ? around.edit : around.orig);
+      var offOther = getOffsets(other, toOrig ? around.orig : around.edit);
       var ratio = (midY - off.top) / (off.bot - off.top);
       var targetPos = (offOther.top - halfScreen) + ratio * (offOther.bot - offOther.top);
 
@@ -198,7 +211,7 @@
   function setScrollLock(dv, val, action) {
     dv.lockScroll = val;
     if (val && action != false) syncScroll(dv, DIFF_INSERT) && makeConnections(dv);
-    dv.lockButton.innerHTML = val ? "\u21db\u21da" : "\u21db  \u21da";
+    (val ? CodeMirror.addClass : CodeMirror.rmClass)(dv.lockButton, "CodeMirror-merge-scrolllock-enabled");
   }
 
   // Updating the marks for editor content
@@ -271,7 +284,7 @@
       }
     }
 
-    var chunkStart = 0;
+    var chunkStart = 0, pending = false;
     for (var i = 0; i < diff.length; ++i) {
       var part = diff[i], tp = part[0], str = part[1];
       if (tp == DIFF_EQUAL) {
@@ -279,10 +292,11 @@
         moveOver(pos, str);
         var cleanTo = pos.line + (endOfLineClean(diff, i) ? 1 : 0);
         if (cleanTo > cleanFrom) {
-          if (i) markChunk(chunkStart, cleanFrom);
+          if (pending) { markChunk(chunkStart, cleanFrom); pending = false }
           chunkStart = cleanTo;
         }
       } else {
+        pending = true
         if (tp == type) {
           var end = moveOver(pos, str, true);
           var a = posMax(top, pos), b = posMin(bot, end);
@@ -292,7 +306,7 @@
         }
       }
     }
-    if (chunkStart <= pos.line) markChunk(chunkStart, pos.line + 1);
+    if (pending) markChunk(chunkStart, pos.line + 1);
   }
 
   // Updating the gap between editor and original
@@ -331,24 +345,81 @@
     return origStart + (editLine - editStart);
   }
 
-  function findAlignedLines(dv, other) {
-    var linesToAlign = [];
-    for (var i = 0; i < dv.chunks.length; i++) {
-      var chunk = dv.chunks[i];
-      linesToAlign.push([chunk.origTo, chunk.editTo, other ? getMatchingOrigLine(chunk.editTo, other.chunks) : null]);
-    }
-    if (other) {
-      chunkLoop: for (var i = 0; i < other.chunks.length; i++) {
-        var chunk = other.chunks[i];
-        for (var j = 0; j < linesToAlign.length; j++) {
-          var diff = linesToAlign[j][1] - chunk.editTo;
-          if (diff == 0) continue chunkLoop
-          if (diff > 0) break;
+  // Combines information about chunks and widgets/markers to return
+  // an array of lines, in a single editor, that probably need to be
+  // aligned with their counterparts in the editor next to it.
+  function alignableFor(cm, chunks, isOrig) {
+    var tracker = cm.state.trackAlignable
+    var start = cm.firstLine(), trackI = 0
+    var result = []
+    for (var i = 0;; i++) {
+      var chunk = chunks[i]
+      var chunkStart = !chunk ? 1e9 : isOrig ? chunk.origFrom : chunk.editFrom
+      for (; trackI < tracker.alignable.length; trackI += 2) {
+        var n = tracker.alignable[trackI] + 1
+        if (n <= start) continue
+        if (n <= chunkStart) result.push(n)
+        else break
+      }
+      if (!chunk) break
+      result.push(start = isOrig ? chunk.origTo : chunk.editTo)
+    }
+    return result
+  }
+
+  // Given information about alignable lines in two editors, fill in
+  // the result (an array of three-element arrays) to reflect the
+  // lines that need to be aligned with each other.
+  function mergeAlignable(result, origAlignable, chunks, setIndex) {
+    var rI = 0, origI = 0, chunkI = 0, diff = 0
+    outer: for (;; rI++) {
+      var nextR = result[rI], nextO = origAlignable[origI]
+      if (!nextR && nextO == null) break
+
+      var rLine = nextR ? nextR[0] : 1e9, oLine = nextO == null ? 1e9 : nextO
+      while (chunkI < chunks.length) {
+        var chunk = chunks[chunkI]
+        if (chunk.origFrom <= oLine && chunk.origTo > oLine) {
+          origI++
+          rI--
+          continue outer;
+        }
+        if (chunk.editTo > rLine) {
+          if (chunk.editFrom <= rLine) continue outer;
+          break
         }
-        linesToAlign.splice(j, 0, [getMatchingOrigLine(chunk.editTo, dv.chunks), chunk.editTo, chunk.origTo]);
+        diff += (chunk.origTo - chunk.origFrom) - (chunk.editTo - chunk.editFrom)
+        chunkI++
+      }
+      if (rLine == oLine - diff) {
+        nextR[setIndex] = oLine
+        origI++
+      } else if (rLine < oLine - diff) {
+        nextR[setIndex] = rLine + diff
+      } else {
+        var record = [oLine - diff, null, null]
+        record[setIndex] = oLine
+        result.splice(rI, 0, record)
+        origI++
       }
     }
-    return linesToAlign;
+  }
+
+  function findAlignedLines(dv, other) {
+    var alignable = alignableFor(dv.edit, dv.chunks, false), result = []
+    if (other) for (var i = 0, j = 0; i < other.chunks.length; i++) {
+      var n = other.chunks[i].editTo
+      while (j < alignable.length && alignable[j] < n) j++
+      if (j == alignable.length || alignable[j] != n) alignable.splice(j++, 0, n)
+    }
+    for (var i = 0; i < alignable.length; i++)
+      result.push([alignable[i], null, null])
+
+    mergeAlignable(result, alignableFor(dv.orig, dv.chunks, true), dv.chunks, 1)
+    if (other)
+      mergeAlignable(result, alignableFor(other.orig, other.chunks, true), other.chunks, 2)
+
+    return result
   }
 
   function alignChunks(dv, force) {
@@ -371,7 +442,7 @@
       aligners[i].clear();
     aligners.length = 0;
 
-    var cm = [dv.orig, dv.edit], scroll = [];
+    var cm = [dv.edit, dv.orig], scroll = [];
     if (other) cm.push(other.orig);
     for (var i = 0; i < cm.length; i++)
       scroll.push(cm[i].getScrollInfo().top);
@@ -406,7 +477,7 @@
     var elt = document.createElement("div");
     elt.className = "CodeMirror-merge-spacer";
     elt.style.height = size + "px"; elt.style.minWidth = "1px";
-    return cm.addLineWidget(line, elt, {height: size, above: above});
+    return cm.addLineWidget(line, elt, {height: size, above: above, mergeSpacer: true, handleMouseEvents: true});
   }
 
   function drawConnectorsForChunk(dv, chunk, sTopOrig, sTopEdit, w) {
@@ -448,9 +519,15 @@
 
   function copyChunk(dv, to, from, chunk) {
     if (dv.diffOutOfDate) return;
-    var editStart = chunk.editTo > to.lastLine() ? Pos(chunk.editFrom - 1) : Pos(chunk.editFrom, 0)
     var origStart = chunk.origTo > from.lastLine() ? Pos(chunk.origFrom - 1) : Pos(chunk.origFrom, 0)
-    to.replaceRange(from.getRange(origStart, Pos(chunk.origTo, 0)), editStart, Pos(chunk.editTo, 0))
+    var origEnd = Pos(chunk.origTo, 0)
+    var editStart = chunk.editTo > to.lastLine() ? Pos(chunk.editFrom - 1) : Pos(chunk.editFrom, 0)
+    var editEnd = Pos(chunk.editTo, 0)
+    var handler = dv.mv.options.revertChunk
+    if (handler)
+      handler(dv.mv, from, origStart, origEnd, to, editStart, editEnd)
+    else
+      to.replaceRange(from.getRange(origStart, origEnd), editStart, editEnd)
   }
 
   // Merge view, containing 0, 1, or 2 diff views.
@@ -500,8 +577,8 @@
       this.aligners = [];
       alignChunks(this.left || this.right, true);
     }
-    if (left) left.registerEvents()
-    if (right) right.registerEvents()
+    if (left) left.registerEvents(right)
+    if (right) right.registerEvents(left)
 
 
     var onResize = function() {
@@ -567,14 +644,15 @@
   }
 
   // Operations on diffs
+  var dmp;
+  function getDiff(a, b, ignoreWhitespace) {
+    if (!dmp) dmp = new diff_match_patch();
 
-  var dmp = new diff_match_patch();
-  function getDiff(a, b) {
     var diff = dmp.diff_main(a, b);
     // The library sometimes leaves in empty parts, which confuse the algorithm
     for (var i = 0; i < diff.length; ++i) {
       var part = diff[i];
-      if (!part[1]) {
+      if (ignoreWhitespace ? !/[^ \t]/.test(part[1]) : !part[1]) {
         diff.splice(i--, 1);
       } else if (i && diff[i - 1][0] == part[0]) {
         diff.splice(i--, 1);
@@ -586,12 +664,13 @@
 
   function getChunks(diff) {
     var chunks = [];
+    if (!diff.length) return chunks;
     var startEdit = 0, startOrig = 0;
     var edit = Pos(0, 0), orig = Pos(0, 0);
     for (var i = 0; i < diff.length; ++i) {
       var part = diff[i], tp = part[0];
       if (tp == DIFF_EQUAL) {
-        var startOff = startOfLineClean(diff, i) ? 0 : 1;
+        var startOff = !startOfLineClean(diff, i) || edit.line < startEdit || orig.line < startOrig ? 1 : 0;
         var cleanFromEdit = edit.line + startOff, cleanFromOrig = orig.line + startOff;
         moveOver(edit, part[1], null, orig);
         var endOff = endOfLineClean(diff, i) ? 1 : 0;
@@ -614,10 +693,10 @@
   function endOfLineClean(diff, i) {
     if (i == diff.length - 1) return true;
     var next = diff[i + 1][1];
-    if (next.length == 1 || next.charCodeAt(0) != 10) return false;
+    if ((next.length == 1 && i < diff.length - 2) || next.charCodeAt(0) != 10) return false;
     if (i == diff.length - 2) return true;
     next = diff[i + 2][1];
-    return next.length > 1 && next.charCodeAt(0) == 10;
+    return (next.length > 1 || i == diff.length - 3) && next.charCodeAt(0) == 10;
   }
 
   function startOfLineClean(diff, i) {
@@ -660,6 +739,9 @@
       mark.clear();
       cm.removeLineClass(from, "wrap", "CodeMirror-merge-collapsed-line");
     }
+    if (mark.explicitlyCleared) clear();
+    CodeMirror.on(widget, "click", clear);
+    mark.on("clear", clear);
     CodeMirror.on(widget, "click", clear);
     return {mark: mark, clear: clear};
   }
@@ -751,6 +833,131 @@
     return out;
   }
 
+  // Tracks collapsed markers and line widgets, in order to be able to
+  // accurately align the content of two editors.
+
+  var F_WIDGET = 1, F_WIDGET_BELOW = 2, F_MARKER = 4
+
+  function TrackAlignable(cm) {
+    this.cm = cm
+    this.alignable = []
+    this.height = cm.doc.height
+    var self = this
+    cm.on("markerAdded", function(_, marker) {
+      if (!marker.collapsed) return
+      var found = marker.find(1)
+      if (found != null) self.set(found.line, F_MARKER)
+    })
+    cm.on("markerCleared", function(_, marker, _min, max) {
+      if (max != null && marker.collapsed)
+        self.check(max, F_MARKER, self.hasMarker)
+    })
+    cm.on("markerChanged", this.signal.bind(this))
+    cm.on("lineWidgetAdded", function(_, widget, lineNo) {
+      if (widget.mergeSpacer) return
+      if (widget.above) self.set(lineNo - 1, F_WIDGET_BELOW)
+      else self.set(lineNo, F_WIDGET)
+    })
+    cm.on("lineWidgetCleared", function(_, widget, lineNo) {
+      if (widget.mergeSpacer) return
+      if (widget.above) self.check(lineNo - 1, F_WIDGET_BELOW, self.hasWidgetBelow)
+      else self.check(lineNo, F_WIDGET, self.hasWidget)
+    })
+    cm.on("lineWidgetChanged", this.signal.bind(this))
+    cm.on("change", function(_, change) {
+      var start = change.from.line, nBefore = change.to.line - change.from.line
+      var nAfter = change.text.length - 1, end = start + nAfter
+      if (nBefore || nAfter) self.map(start, nBefore, nAfter)
+      self.check(end, F_MARKER, self.hasMarker)
+      if (nBefore || nAfter) self.check(change.from.line, F_MARKER, self.hasMarker)
+    })
+    cm.on("viewportChange", function() {
+      if (self.cm.doc.height != self.height) self.signal()
+    })
+  }
+
+  TrackAlignable.prototype = {
+    signal: function() {
+      CodeMirror.signal(this, "realign")
+      this.height = this.cm.doc.height
+    },
+
+    set: function(n, flags) {
+      var pos = -1
+      for (; pos < this.alignable.length; pos += 2) {
+        var diff = this.alignable[pos] - n
+        if (diff == 0) {
+          if ((this.alignable[pos + 1] & flags) == flags) return
+          this.alignable[pos + 1] |= flags
+          this.signal()
+          return
+        }
+        if (diff > 0) break
+      }
+      this.signal()
+      this.alignable.splice(pos, 0, n, flags)
+    },
+
+    find: function(n) {
+      for (var i = 0; i < this.alignable.length; i += 2)
+        if (this.alignable[i] == n) return i
+      return -1
+    },
+
+    check: function(n, flag, pred) {
+      var found = this.find(n)
+      if (found == -1 || !(this.alignable[found + 1] & flag)) return
+      if (!pred.call(this, n)) {
+        this.signal()
+        var flags = this.alignable[found + 1] & ~flag
+        if (flags) this.alignable[found + 1] = flags
+        else this.alignable.splice(found, 2)
+      }
+    },
+
+    hasMarker: function(n) {
+      var handle = this.cm.getLineHandle(n)
+      if (handle.markedSpans) for (var i = 0; i < handle.markedSpans.length; i++)
+        if (handle.markedSpans[i].mark.collapsed && handle.markedSpans[i].to != null)
+          return true
+      return false
+    },
+
+    hasWidget: function(n) {
+      var handle = this.cm.getLineHandle(n)
+      if (handle.widgets) for (var i = 0; i < handle.widgets.length; i++)
+        if (!handle.widgets[i].above && !handle.widgets[i].mergeSpacer) return true
+      return false
+    },
+
+    hasWidgetBelow: function(n) {
+      if (n == this.cm.lastLine()) return false
+      var handle = this.cm.getLineHandle(n + 1)
+      if (handle.widgets) for (var i = 0; i < handle.widgets.length; i++)
+        if (handle.widgets[i].above && !handle.widgets[i].mergeSpacer) return true
+      return false
+    },
+
+    map: function(from, nBefore, nAfter) {
+      var diff = nAfter - nBefore, to = from + nBefore, widgetFrom = -1, widgetTo = -1
+      for (var i = 0; i < this.alignable.length; i += 2) {
+        var n = this.alignable[i]
+        if (n == from && (this.alignable[i + 1] & F_WIDGET_BELOW)) widgetFrom = i
+        if (n == to && (this.alignable[i + 1] & F_WIDGET_BELOW)) widgetTo = i
+        if (n <= from) continue
+        else if (n < to) this.alignable.splice(i--, 2)
+        else this.alignable[i] += diff
+      }
+      if (widgetFrom > -1) {
+        var flags = this.alignable[widgetFrom + 1]
+        if (flags == F_WIDGET_BELOW) this.alignable.splice(widgetFrom, 2)
+        else this.alignable[widgetFrom + 1] = flags & ~F_WIDGET_BELOW
+      }
+      if (widgetTo > -1 && nAfter)
+        this.set(from + nAfter, F_WIDGET_BELOW)
+    }
+  }
+
   function posMin(a, b) { return (a.line - b.line || a.ch - b.ch) < 0 ? a : b; }
   function posMax(a, b) { return (a.line - b.line || a.ch - b.ch) > 0 ? a : b; }
   function posEq(a, b) { return a.line == b.line && a.ch == b.ch; }
diff --git a/js/codemirror-5.23.0/addon/mode/loadmode.js b/js/codemirror-5.39.0/addon/mode/loadmode.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/mode/loadmode.js
rename to js/codemirror-5.39.0/addon/mode/loadmode.js
diff --git a/js/codemirror-5.23.0/addon/mode/multiplex.js b/js/codemirror-5.39.0/addon/mode/multiplex.js
similarity index 93%
rename from js/codemirror-5.23.0/addon/mode/multiplex.js
rename to js/codemirror-5.39.0/addon/mode/multiplex.js
index 3d8b34c..a084f70 100644
--- a/js/codemirror-5.23.0/addon/mode/multiplex.js
+++ b/js/codemirror-5.39.0/addon/mode/multiplex.js
@@ -50,7 +50,15 @@ CodeMirror.multiplexingMode = function(outer /*, others */) {
           if (found == stream.pos) {
             if (!other.parseDelimiters) stream.match(other.open);
             state.innerActive = other;
-            state.inner = CodeMirror.startState(other.mode, outer.indent ? outer.indent(state.outer, "") : 0);
+
+            // Get the outer indent, making sure to handle CodeMirror.Pass
+            var outerIndent = 0;
+            if (outer.indent) {
+              var possibleOuterIndent = outer.indent(state.outer, "");
+              if (possibleOuterIndent !== CodeMirror.Pass) outerIndent = possibleOuterIndent;
+            }
+
+            state.inner = CodeMirror.startState(other.mode, outerIndent);
             return other.delimStyle && (other.delimStyle + " " + other.delimStyle + "-open");
           } else if (found != -1 && found < cutOff) {
             cutOff = found;
diff --git a/js/codemirror-5.23.0/addon/mode/multiplex_test.js b/js/codemirror-5.39.0/addon/mode/multiplex_test.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/mode/multiplex_test.js
rename to js/codemirror-5.39.0/addon/mode/multiplex_test.js
diff --git a/js/codemirror-5.23.0/addon/mode/overlay.js b/js/codemirror-5.39.0/addon/mode/overlay.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/mode/overlay.js
rename to js/codemirror-5.39.0/addon/mode/overlay.js
diff --git a/js/codemirror-5.23.0/addon/mode/simple.js b/js/codemirror-5.39.0/addon/mode/simple.js
similarity index 95%
rename from js/codemirror-5.23.0/addon/mode/simple.js
rename to js/codemirror-5.39.0/addon/mode/simple.js
index df66336..c0f8010 100644
--- a/js/codemirror-5.23.0/addon/mode/simple.js
+++ b/js/codemirror-5.39.0/addon/mode/simple.js
@@ -77,6 +77,7 @@
 
   function asToken(val) {
     if (!val) return null;
+    if (val.apply) return val
     if (typeof val == "string") return val.replace(/\./g, " ");
     var result = [];
     for (var i = 0; i < val.length; i++)
@@ -133,17 +134,19 @@
             state.indent.push(stream.indentation() + config.indentUnit);
           if (rule.data.dedent)
             state.indent.pop();
-          if (matches.length > 2) {
+          var token = rule.token
+          if (token && token.apply) token = token(matches)
+          if (matches.length > 2 && rule.token && typeof rule.token != "string") {
             state.pending = [];
             for (var j = 2; j < matches.length; j++)
               if (matches[j])
                 state.pending.push({text: matches[j], token: rule.token[j - 1]});
             stream.backUp(matches[0].length - (matches[1] ? matches[1].length : 0));
-            return rule.token[0];
-          } else if (rule.token && rule.token.join) {
-            return rule.token[0];
+            return token[0];
+          } else if (token && token.join) {
+            return token[0];
           } else {
-            return rule.token;
+            return token;
           }
         }
       }
diff --git a/js/codemirror-5.23.0/addon/runmode/colorize.js b/js/codemirror-5.39.0/addon/runmode/colorize.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/runmode/colorize.js
rename to js/codemirror-5.39.0/addon/runmode/colorize.js
diff --git a/js/codemirror-5.23.0/addon/runmode/runmode-standalone.js b/js/codemirror-5.39.0/addon/runmode/runmode-standalone.js
similarity index 99%
rename from js/codemirror-5.23.0/addon/runmode/runmode-standalone.js
rename to js/codemirror-5.39.0/addon/runmode/runmode-standalone.js
index f4f352c..1bd808c 100644
--- a/js/codemirror-5.23.0/addon/runmode/runmode-standalone.js
+++ b/js/codemirror-5.39.0/addon/runmode/runmode-standalone.js
@@ -65,7 +65,8 @@ StringStream.prototype = {
     this.lineStart += n;
     try { return inner(); }
     finally { this.lineStart -= n; }
-  }
+  },
+  lookAhead: function() { return null }
 };
 CodeMirror.StringStream = StringStream;
 
diff --git a/js/codemirror-5.23.0/addon/runmode/runmode.js b/js/codemirror-5.39.0/addon/runmode/runmode.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/runmode/runmode.js
rename to js/codemirror-5.39.0/addon/runmode/runmode.js
diff --git a/js/codemirror-5.23.0/addon/runmode/runmode.node.js b/js/codemirror-5.39.0/addon/runmode/runmode.node.js
similarity index 89%
rename from js/codemirror-5.23.0/addon/runmode/runmode.node.js
rename to js/codemirror-5.39.0/addon/runmode/runmode.node.js
index b22a518..21c7269 100644
--- a/js/codemirror-5.23.0/addon/runmode/runmode.node.js
+++ b/js/codemirror-5.39.0/addon/runmode/runmode.node.js
@@ -7,7 +7,7 @@ function splitLines(string){return string.split(/\r\n?|\n/);};
 
 // Counts the column offset in a string, taking tabs into account.
 // Used mostly to find indentation.
-var countColumn = function(string, end, tabSize, startIndex, startValue) {
+var countColumn = exports.countColumn = function(string, end, tabSize, startIndex, startValue) {
   if (end == null) {
     end = string.search(/[^\s\u00a0]/);
     if (end == -1) end = string.length;
@@ -22,12 +22,13 @@ var countColumn = function(string, end, tabSize, startIndex, startValue) {
   }
 };
 
-function StringStream(string, tabSize) {
+function StringStream(string, tabSize, context) {
   this.pos = this.start = 0;
   this.string = string;
   this.tabSize = tabSize || 8;
   this.lastColumnPos = this.lastColumnValue = 0;
   this.lineStart = 0;
+  this.context = context
 };
 
 StringStream.prototype = {
@@ -91,6 +92,10 @@ StringStream.prototype = {
     this.lineStart += n;
     try { return inner(); }
     finally { this.lineStart -= n; }
+  },
+  lookAhead: function(n) {
+    var line = this.context.line + n
+    return line >= this.context.lines.length ? null : this.context.lines[line]
   }
 };
 exports.StringStream = StringStream;
@@ -158,14 +163,27 @@ exports.getMode = function(options, spec) {
 
   return modeObj;
 };
+
+exports.innerMode = function(mode, state) {
+  var info;
+  while (mode.innerMode) {
+    info = mode.innerMode(state);
+    if (!info || info.mode == mode) break;
+    state = info.state;
+    mode = info.mode;
+  }
+  return info || {mode: mode, state: state};
+}
+
 exports.registerHelper = exports.registerGlobalHelper = Math.min;
 
 exports.runMode = function(string, modespec, callback, options) {
   var mode = exports.getMode({indentUnit: 2}, modespec);
   var lines = splitLines(string), state = (options && options.state) || exports.startState(mode);
-  for (var i = 0, e = lines.length; i < e; ++i) {
+  var context = {lines: lines, line: 0}
+  for (var i = 0, e = lines.length; i < e; ++i, ++context.line) {
     if (i) callback("\n");
-    var stream = new exports.StringStream(lines[i]);
+    var stream = new exports.StringStream(lines[i], 4, context);
     if (!stream.string && mode.blankLine) mode.blankLine(state);
     while (!stream.eol()) {
       var style = mode.token(stream, state);
diff --git a/js/codemirror-5.23.0/addon/scroll/annotatescrollbar.js b/js/codemirror-5.39.0/addon/scroll/annotatescrollbar.js
similarity index 94%
rename from js/codemirror-5.23.0/addon/scroll/annotatescrollbar.js
rename to js/codemirror-5.39.0/addon/scroll/annotatescrollbar.js
index 5e748e8..f2276fc 100644
--- a/js/codemirror-5.23.0/addon/scroll/annotatescrollbar.js
+++ b/js/codemirror-5.39.0/addon/scroll/annotatescrollbar.js
@@ -77,17 +77,21 @@
         curLine = pos.line;
         curLineObj = cm.getLineHandle(curLine);
       }
-      if (wrapping && curLineObj.height > singleLineH)
+      if ((curLineObj.widgets && curLineObj.widgets.length) ||
+          (wrapping && curLineObj.height > singleLineH))
         return cm.charCoords(pos, "local")[top ? "top" : "bottom"];
       var topY = cm.heightAtLine(curLineObj, "local");
       return topY + (top ? 0 : curLineObj.height);
     }
 
+    var lastLine = cm.lastLine()
     if (cm.display.barWidth) for (var i = 0, nextTop; i < anns.length; i++) {
       var ann = anns[i];
+      if (ann.to.line > lastLine) continue;
       var top = nextTop || getY(ann.from, true) * hScale;
       var bottom = getY(ann.to, false) * hScale;
       while (i < anns.length - 1) {
+        if (anns[i + 1].to.line > lastLine) break;
         nextTop = getY(anns[i + 1].from, true) * hScale;
         if (nextTop > bottom + .9) break;
         ann = anns[++i];
diff --git a/js/codemirror-5.23.0/addon/scroll/scrollpastend.js b/js/codemirror-5.39.0/addon/scroll/scrollpastend.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/scroll/scrollpastend.js
rename to js/codemirror-5.39.0/addon/scroll/scrollpastend.js
diff --git a/js/codemirror-5.23.0/addon/scroll/simplescrollbars.css b/js/codemirror-5.39.0/addon/scroll/simplescrollbars.css
similarity index 100%
rename from js/codemirror-5.23.0/addon/scroll/simplescrollbars.css
rename to js/codemirror-5.39.0/addon/scroll/simplescrollbars.css
diff --git a/js/codemirror-5.23.0/addon/scroll/simplescrollbars.js b/js/codemirror-5.39.0/addon/scroll/simplescrollbars.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/scroll/simplescrollbars.js
rename to js/codemirror-5.39.0/addon/scroll/simplescrollbars.js
diff --git a/js/codemirror-5.23.0/addon/search/jump-to-line.js b/js/codemirror-5.39.0/addon/search/jump-to-line.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/search/jump-to-line.js
rename to js/codemirror-5.39.0/addon/search/jump-to-line.js
diff --git a/js/codemirror-5.23.0/addon/search/match-highlighter.js b/js/codemirror-5.39.0/addon/search/match-highlighter.js
similarity index 98%
rename from js/codemirror-5.23.0/addon/search/match-highlighter.js
rename to js/codemirror-5.39.0/addon/search/match-highlighter.js
index 73ba0e0..260cdeb 100644
--- a/js/codemirror-5.23.0/addon/search/match-highlighter.js
+++ b/js/codemirror-5.39.0/addon/search/match-highlighter.js
@@ -90,7 +90,7 @@
     var state = cm.state.matchHighlighter;
     cm.addOverlay(state.overlay = makeOverlay(query, hasBoundary, style));
     if (state.options.annotateScrollbar && cm.showMatchesOnScrollbar) {
-      var searchFor = hasBoundary ? new RegExp("\\b" + query + "\\b") : query;
+      var searchFor = hasBoundary ? new RegExp("\\b" + query.replace(/[\\\[.+*?(){|^$]/g, "\\$&") + "\\b") : query;
       state.matchesonscroll = cm.showMatchesOnScrollbar(searchFor, false,
         {className: "CodeMirror-selection-highlight-scrollbar"});
     }
diff --git a/js/codemirror-5.23.0/addon/search/matchesonscrollbar.css b/js/codemirror-5.39.0/addon/search/matchesonscrollbar.css
similarity index 100%
rename from js/codemirror-5.23.0/addon/search/matchesonscrollbar.css
rename to js/codemirror-5.39.0/addon/search/matchesonscrollbar.css
diff --git a/js/codemirror-5.23.0/addon/search/matchesonscrollbar.js b/js/codemirror-5.39.0/addon/search/matchesonscrollbar.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/search/matchesonscrollbar.js
rename to js/codemirror-5.39.0/addon/search/matchesonscrollbar.js
diff --git a/js/codemirror-5.23.0/addon/search/search.js b/js/codemirror-5.39.0/addon/search/search.js
similarity index 90%
rename from js/codemirror-5.23.0/addon/search/search.js
rename to js/codemirror-5.39.0/addon/search/search.js
index 753b1af..4059ccd 100644
--- a/js/codemirror-5.23.0/addon/search/search.js
+++ b/js/codemirror-5.39.0/addon/search/search.js
@@ -54,7 +54,7 @@
 
   function getSearchCursor(cm, query, pos) {
     // Heuristic: if the query string is all lowercase, do a case insensitive search.
-    return cm.getSearchCursor(query, pos, queryCaseInsensitive(query));
+    return cm.getSearchCursor(query, pos, {caseFold: queryCaseInsensitive(query), multiline: true});
   }
 
   function persistentDialog(cm, text, deflt, onEnter, onKeyDown) {
@@ -99,7 +99,7 @@
   }
 
   var queryDialog =
-    'Search:  (Use /re/ syntax for regexp search)';
+    'Search:  (Use /re/ syntax for regexp search)';
 
   function startSearch(cm, state, query) {
     state.queryText = query;
@@ -117,6 +117,7 @@
     var state = getSearchState(cm);
     if (state.query) return findNext(cm, rev);
     var q = cm.getSelection() || state.lastQuery;
+    if (q instanceof RegExp && q.source == "x^") q = null
     if (persistent && cm.openDialog) {
       var hiding = null
       var searchNext = function(query, event) {
@@ -137,8 +138,7 @@
       };
       persistentDialog(cm, queryDialog, q, searchNext, function(event, query) {
         var keyName = CodeMirror.keyName(event)
-        var cmd = CodeMirror.keyMap[cm.getOption("keyMap")][keyName]
-        if (!cmd) cmd = cm.getOption('extraKeys')[keyName]
+        var extra = cm.getOption('extraKeys'), cmd = (extra && extra[keyName]) || CodeMirror.keyMap[cm.getOption("keyMap")][keyName]
         if (cmd == "findNext" || cmd == "findPrev" ||
           cmd == "findPersistentNext" || cmd == "findPersistentPrev") {
           CodeMirror.e_stop(event);
@@ -188,8 +188,8 @@
 
   var replaceQueryDialog =
     '  (Use /re/ syntax for regexp search)';
-  var replacementQueryDialog = 'With: ';
-  var doReplaceConfirm = "Replace?    ";
+  var replacementQueryDialog = 'With: ';
+  var doReplaceConfirm = 'Replace?    ';
 
   function replaceAll(cm, query, text) {
     cm.operation(function() {
@@ -205,7 +205,7 @@
   function replace(cm, all) {
     if (cm.getOption("readOnly")) return;
     var query = cm.getSelection() || getSearchState(cm).lastQuery;
-    var dialogText = all ? "Replace all:" : "Replace:"
+    var dialogText = '' + (all ? 'Replace all:' : 'Replace:') + '';
     dialog(cm, dialogText + replaceQueryDialog, dialogText, query, function(query) {
       if (!query) return;
       query = parseQuery(query);
diff --git a/js/codemirror-5.39.0/addon/search/searchcursor.js b/js/codemirror-5.39.0/addon/search/searchcursor.js
new file mode 100644
index 0000000..e606c5e
--- /dev/null
+++ b/js/codemirror-5.39.0/addon/search/searchcursor.js
@@ -0,0 +1,293 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"))
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod)
+  else // Plain browser env
+    mod(CodeMirror)
+})(function(CodeMirror) {
+  "use strict"
+  var Pos = CodeMirror.Pos
+
+  function regexpFlags(regexp) {
+    var flags = regexp.flags
+    return flags != null ? flags : (regexp.ignoreCase ? "i" : "")
+      + (regexp.global ? "g" : "")
+      + (regexp.multiline ? "m" : "")
+  }
+
+  function ensureFlags(regexp, flags) {
+    var current = regexpFlags(regexp), target = current
+    for (var i = 0; i < flags.length; i++) if (target.indexOf(flags.charAt(i)) == -1)
+      target += flags.charAt(i)
+    return current == target ? regexp : new RegExp(regexp.source, target)
+  }
+
+  function maybeMultiline(regexp) {
+    return /\\s|\\n|\n|\\W|\\D|\[\^/.test(regexp.source)
+  }
+
+  function searchRegexpForward(doc, regexp, start) {
+    regexp = ensureFlags(regexp, "g")
+    for (var line = start.line, ch = start.ch, last = doc.lastLine(); line <= last; line++, ch = 0) {
+      regexp.lastIndex = ch
+      var string = doc.getLine(line), match = regexp.exec(string)
+      if (match)
+        return {from: Pos(line, match.index),
+                to: Pos(line, match.index + match[0].length),
+                match: match}
+    }
+  }
+
+  function searchRegexpForwardMultiline(doc, regexp, start) {
+    if (!maybeMultiline(regexp)) return searchRegexpForward(doc, regexp, start)
+
+    regexp = ensureFlags(regexp, "gm")
+    var string, chunk = 1
+    for (var line = start.line, last = doc.lastLine(); line <= last;) {
+      // This grows the search buffer in exponentially-sized chunks
+      // between matches, so that nearby matches are fast and don't
+      // require concatenating the whole document (in case we're
+      // searching for something that has tons of matches), but at the
+      // same time, the amount of retries is limited.
+      for (var i = 0; i < chunk; i++) {
+        if (line > last) break
+        var curLine = doc.getLine(line++)
+        string = string == null ? curLine : string + "\n" + curLine
+      }
+      chunk = chunk * 2
+      regexp.lastIndex = start.ch
+      var match = regexp.exec(string)
+      if (match) {
+        var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n")
+        var startLine = start.line + before.length - 1, startCh = before[before.length - 1].length
+        return {from: Pos(startLine, startCh),
+                to: Pos(startLine + inside.length - 1,
+                        inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length),
+                match: match}
+      }
+    }
+  }
+
+  function lastMatchIn(string, regexp) {
+    var cutOff = 0, match
+    for (;;) {
+      regexp.lastIndex = cutOff
+      var newMatch = regexp.exec(string)
+      if (!newMatch) return match
+      match = newMatch
+      cutOff = match.index + (match[0].length || 1)
+      if (cutOff == string.length) return match
+    }
+  }
+
+  function searchRegexpBackward(doc, regexp, start) {
+    regexp = ensureFlags(regexp, "g")
+    for (var line = start.line, ch = start.ch, first = doc.firstLine(); line >= first; line--, ch = -1) {
+      var string = doc.getLine(line)
+      if (ch > -1) string = string.slice(0, ch)
+      var match = lastMatchIn(string, regexp)
+      if (match)
+        return {from: Pos(line, match.index),
+                to: Pos(line, match.index + match[0].length),
+                match: match}
+    }
+  }
+
+  function searchRegexpBackwardMultiline(doc, regexp, start) {
+    regexp = ensureFlags(regexp, "gm")
+    var string, chunk = 1
+    for (var line = start.line, first = doc.firstLine(); line >= first;) {
+      for (var i = 0; i < chunk; i++) {
+        var curLine = doc.getLine(line--)
+        string = string == null ? curLine.slice(0, start.ch) : curLine + "\n" + string
+      }
+      chunk *= 2
+
+      var match = lastMatchIn(string, regexp)
+      if (match) {
+        var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n")
+        var startLine = line + before.length, startCh = before[before.length - 1].length
+        return {from: Pos(startLine, startCh),
+                to: Pos(startLine + inside.length - 1,
+                        inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length),
+                match: match}
+      }
+    }
+  }
+
+  var doFold, noFold
+  if (String.prototype.normalize) {
+    doFold = function(str) { return str.normalize("NFD").toLowerCase() }
+    noFold = function(str) { return str.normalize("NFD") }
+  } else {
+    doFold = function(str) { return str.toLowerCase() }
+    noFold = function(str) { return str }
+  }
+
+  // Maps a position in a case-folded line back to a position in the original line
+  // (compensating for codepoints increasing in number during folding)
+  function adjustPos(orig, folded, pos, foldFunc) {
+    if (orig.length == folded.length) return pos
+    for (var min = 0, max = pos + Math.max(0, orig.length - folded.length);;) {
+      if (min == max) return min
+      var mid = (min + max) >> 1
+      var len = foldFunc(orig.slice(0, mid)).length
+      if (len == pos) return mid
+      else if (len > pos) max = mid
+      else min = mid + 1
+    }
+  }
+
+  function searchStringForward(doc, query, start, caseFold) {
+    // Empty string would match anything and never progress, so we
+    // define it to match nothing instead.
+    if (!query.length) return null
+    var fold = caseFold ? doFold : noFold
+    var lines = fold(query).split(/\r|\n\r?/)
+
+    search: for (var line = start.line, ch = start.ch, last = doc.lastLine() + 1 - lines.length; line <= last; line++, ch = 0) {
+      var orig = doc.getLine(line).slice(ch), string = fold(orig)
+      if (lines.length == 1) {
+        var found = string.indexOf(lines[0])
+        if (found == -1) continue search
+        var start = adjustPos(orig, string, found, fold) + ch
+        return {from: Pos(line, adjustPos(orig, string, found, fold) + ch),
+                to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold) + ch)}
+      } else {
+        var cutFrom = string.length - lines[0].length
+        if (string.slice(cutFrom) != lines[0]) continue search
+        for (var i = 1; i < lines.length - 1; i++)
+          if (fold(doc.getLine(line + i)) != lines[i]) continue search
+        var end = doc.getLine(line + lines.length - 1), endString = fold(end), lastLine = lines[lines.length - 1]
+        if (endString.slice(0, lastLine.length) != lastLine) continue search
+        return {from: Pos(line, adjustPos(orig, string, cutFrom, fold) + ch),
+                to: Pos(line + lines.length - 1, adjustPos(end, endString, lastLine.length, fold))}
+      }
+    }
+  }
+
+  function searchStringBackward(doc, query, start, caseFold) {
+    if (!query.length) return null
+    var fold = caseFold ? doFold : noFold
+    var lines = fold(query).split(/\r|\n\r?/)
+
+    search: for (var line = start.line, ch = start.ch, first = doc.firstLine() - 1 + lines.length; line >= first; line--, ch = -1) {
+      var orig = doc.getLine(line)
+      if (ch > -1) orig = orig.slice(0, ch)
+      var string = fold(orig)
+      if (lines.length == 1) {
+        var found = string.lastIndexOf(lines[0])
+        if (found == -1) continue search
+        return {from: Pos(line, adjustPos(orig, string, found, fold)),
+                to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold))}
+      } else {
+        var lastLine = lines[lines.length - 1]
+        if (string.slice(0, lastLine.length) != lastLine) continue search
+        for (var i = 1, start = line - lines.length + 1; i < lines.length - 1; i++)
+          if (fold(doc.getLine(start + i)) != lines[i]) continue search
+        var top = doc.getLine(line + 1 - lines.length), topString = fold(top)
+        if (topString.slice(topString.length - lines[0].length) != lines[0]) continue search
+        return {from: Pos(line + 1 - lines.length, adjustPos(top, topString, top.length - lines[0].length, fold)),
+                to: Pos(line, adjustPos(orig, string, lastLine.length, fold))}
+      }
+    }
+  }
+
+  function SearchCursor(doc, query, pos, options) {
+    this.atOccurrence = false
+    this.doc = doc
+    pos = pos ? doc.clipPos(pos) : Pos(0, 0)
+    this.pos = {from: pos, to: pos}
+
+    var caseFold
+    if (typeof options == "object") {
+      caseFold = options.caseFold
+    } else { // Backwards compat for when caseFold was the 4th argument
+      caseFold = options
+      options = null
+    }
+
+    if (typeof query == "string") {
+      if (caseFold == null) caseFold = false
+      this.matches = function(reverse, pos) {
+        return (reverse ? searchStringBackward : searchStringForward)(doc, query, pos, caseFold)
+      }
+    } else {
+      query = ensureFlags(query, "gm")
+      if (!options || options.multiline !== false)
+        this.matches = function(reverse, pos) {
+          return (reverse ? searchRegexpBackwardMultiline : searchRegexpForwardMultiline)(doc, query, pos)
+        }
+      else
+        this.matches = function(reverse, pos) {
+          return (reverse ? searchRegexpBackward : searchRegexpForward)(doc, query, pos)
+        }
+    }
+  }
+
+  SearchCursor.prototype = {
+    findNext: function() {return this.find(false)},
+    findPrevious: function() {return this.find(true)},
+
+    find: function(reverse) {
+      var result = this.matches(reverse, this.doc.clipPos(reverse ? this.pos.from : this.pos.to))
+
+      // Implements weird auto-growing behavior on null-matches for
+      // backwards-compatiblity with the vim code (unfortunately)
+      while (result && CodeMirror.cmpPos(result.from, result.to) == 0) {
+        if (reverse) {
+          if (result.from.ch) result.from = Pos(result.from.line, result.from.ch - 1)
+          else if (result.from.line == this.doc.firstLine()) result = null
+          else result = this.matches(reverse, this.doc.clipPos(Pos(result.from.line - 1)))
+        } else {
+          if (result.to.ch < this.doc.getLine(result.to.line).length) result.to = Pos(result.to.line, result.to.ch + 1)
+          else if (result.to.line == this.doc.lastLine()) result = null
+          else result = this.matches(reverse, Pos(result.to.line + 1, 0))
+        }
+      }
+
+      if (result) {
+        this.pos = result
+        this.atOccurrence = true
+        return this.pos.match || true
+      } else {
+        var end = Pos(reverse ? this.doc.firstLine() : this.doc.lastLine() + 1, 0)
+        this.pos = {from: end, to: end}
+        return this.atOccurrence = false
+      }
+    },
+
+    from: function() {if (this.atOccurrence) return this.pos.from},
+    to: function() {if (this.atOccurrence) return this.pos.to},
+
+    replace: function(newText, origin) {
+      if (!this.atOccurrence) return
+      var lines = CodeMirror.splitLines(newText)
+      this.doc.replaceRange(lines, this.pos.from, this.pos.to, origin)
+      this.pos.to = Pos(this.pos.from.line + lines.length - 1,
+                        lines[lines.length - 1].length + (lines.length == 1 ? this.pos.from.ch : 0))
+    }
+  }
+
+  CodeMirror.defineExtension("getSearchCursor", function(query, pos, caseFold) {
+    return new SearchCursor(this.doc, query, pos, caseFold)
+  })
+  CodeMirror.defineDocExtension("getSearchCursor", function(query, pos, caseFold) {
+    return new SearchCursor(this, query, pos, caseFold)
+  })
+
+  CodeMirror.defineExtension("selectMatches", function(query, caseFold) {
+    var ranges = []
+    var cur = this.getSearchCursor(query, this.getCursor("from"), caseFold)
+    while (cur.findNext()) {
+      if (CodeMirror.cmpPos(cur.to(), this.getCursor("to")) > 0) break
+      ranges.push({anchor: cur.from(), head: cur.to()})
+    }
+    if (ranges.length)
+      this.setSelections(ranges, 0)
+  })
+});
diff --git a/js/codemirror-5.23.0/addon/selection/active-line.js b/js/codemirror-5.39.0/addon/selection/active-line.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/selection/active-line.js
rename to js/codemirror-5.39.0/addon/selection/active-line.js
diff --git a/js/codemirror-5.23.0/addon/selection/mark-selection.js b/js/codemirror-5.39.0/addon/selection/mark-selection.js
similarity index 94%
rename from js/codemirror-5.23.0/addon/selection/mark-selection.js
rename to js/codemirror-5.39.0/addon/selection/mark-selection.js
index 5c42d21..1602acc 100644
--- a/js/codemirror-5.23.0/addon/selection/mark-selection.js
+++ b/js/codemirror-5.39.0/addon/selection/mark-selection.js
@@ -34,11 +34,12 @@
   });
 
   function onCursorActivity(cm) {
-    cm.operation(function() { update(cm); });
+    if (cm.state.markedSelection)
+      cm.operation(function() { update(cm); });
   }
 
   function onChange(cm) {
-    if (cm.state.markedSelection.length)
+    if (cm.state.markedSelection && cm.state.markedSelection.length)
       cm.operation(function() { clear(cm); });
   }
 
@@ -85,7 +86,7 @@
     if (!array.length) return coverRange(cm, from, to);
 
     var coverStart = array[0].find(), coverEnd = array[array.length - 1].find();
-    if (!coverStart || !coverEnd || to.line - from.line < CHUNK_SIZE ||
+    if (!coverStart || !coverEnd || to.line - from.line <= CHUNK_SIZE ||
         cmp(from, coverEnd.to) >= 0 || cmp(to, coverStart.from) <= 0)
       return reset(cm);
 
diff --git a/js/codemirror-5.23.0/addon/selection/selection-pointer.js b/js/codemirror-5.39.0/addon/selection/selection-pointer.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/selection/selection-pointer.js
rename to js/codemirror-5.39.0/addon/selection/selection-pointer.js
diff --git a/js/codemirror-5.23.0/addon/tern/tern.css b/js/codemirror-5.39.0/addon/tern/tern.css
similarity index 100%
rename from js/codemirror-5.23.0/addon/tern/tern.css
rename to js/codemirror-5.39.0/addon/tern/tern.css
diff --git a/js/codemirror-5.23.0/addon/tern/tern.js b/js/codemirror-5.39.0/addon/tern/tern.js
similarity index 96%
rename from js/codemirror-5.23.0/addon/tern/tern.js
rename to js/codemirror-5.39.0/addon/tern/tern.js
index efdf2ed..6276b53 100644
--- a/js/codemirror-5.23.0/addon/tern/tern.js
+++ b/js/codemirror-5.39.0/addon/tern/tern.js
@@ -334,7 +334,11 @@
     tip.appendChild(document.createTextNode(tp.rettype ? ") ->\u00a0" : ")"));
     if (tp.rettype) tip.appendChild(elt("span", cls + "type", tp.rettype));
     var place = cm.cursorCoords(null, "page");
-    ts.activeArgHints = makeTooltip(place.right + 1, place.bottom, tip);
+    var tooltip = ts.activeArgHints = makeTooltip(place.right + 1, place.bottom, tip)
+    setTimeout(function() {
+      tooltip.clear = onEditorActivity(cm, function() {
+        if (ts.activeArgHints == tooltip) closeArgHints(ts) })
+    }, 20)
   }
 
   function parseFnType(text) {
@@ -567,7 +571,7 @@
     return {type: "part",
             name: data.name,
             offsetLines: from.line,
-            text: doc.getRange(from, Pos(endLine, 0))};
+            text: doc.getRange(from, Pos(endLine, end.line == endLine ? null : 0))};
   }
 
   // Generic utilities
@@ -604,24 +608,33 @@
     }
     function clear() {
       cm.state.ternTooltip = null;
-      if (!tip.parentNode) return;
-      cm.off("cursorActivity", clear);
-      cm.off('blur', clear);
-      cm.off('scroll', clear);
-      fadeOut(tip);
+      if (tip.parentNode) fadeOut(tip)
+      clearActivity()
     }
     var mouseOnTip = false, old = false;
     CodeMirror.on(tip, "mousemove", function() { mouseOnTip = true; });
     CodeMirror.on(tip, "mouseout", function(e) {
-      if (!CodeMirror.contains(tip, e.relatedTarget || e.toElement)) {
+      var related = e.relatedTarget || e.toElement
+      if (!related || !CodeMirror.contains(tip, related)) {
         if (old) clear();
         else mouseOnTip = false;
       }
     });
     setTimeout(maybeClear, ts.options.hintDelay ? ts.options.hintDelay : 1700);
-    cm.on("cursorActivity", clear);
-    cm.on('blur', clear);
-    cm.on('scroll', clear);
+    var clearActivity = onEditorActivity(cm, clear)
+  }
+
+  function onEditorActivity(cm, f) {
+    cm.on("cursorActivity", f)
+    cm.on("blur", f)
+    cm.on("scroll", f)
+    cm.on("setDoc", f)
+    return function() {
+      cm.off("cursorActivity", f)
+      cm.off("blur", f)
+      cm.off("scroll", f)
+      cm.off("setDoc", f)
+    }
   }
 
   function makeTooltip(x, y, content) {
@@ -650,7 +663,11 @@
   }
 
   function closeArgHints(ts) {
-    if (ts.activeArgHints) { remove(ts.activeArgHints); ts.activeArgHints = null; }
+    if (ts.activeArgHints) {
+      if (ts.activeArgHints.clear) ts.activeArgHints.clear()
+      remove(ts.activeArgHints)
+      ts.activeArgHints = null
+    }
   }
 
   function docValue(ts, doc) {
diff --git a/js/codemirror-5.23.0/addon/tern/worker.js b/js/codemirror-5.39.0/addon/tern/worker.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/tern/worker.js
rename to js/codemirror-5.39.0/addon/tern/worker.js
diff --git a/js/codemirror-5.23.0/addon/wrap/hardwrap.js b/js/codemirror-5.39.0/addon/wrap/hardwrap.js
similarity index 100%
rename from js/codemirror-5.23.0/addon/wrap/hardwrap.js
rename to js/codemirror-5.39.0/addon/wrap/hardwrap.js
diff --git a/js/codemirror-5.23.0/bin/authors.sh b/js/codemirror-5.39.0/bin/authors.sh
old mode 100755
new mode 100644
similarity index 79%
rename from js/codemirror-5.23.0/bin/authors.sh
rename to js/codemirror-5.39.0/bin/authors.sh
index b3ee99c..3f228c1
--- a/js/codemirror-5.23.0/bin/authors.sh
+++ b/js/codemirror-5.39.0/bin/authors.sh
@@ -1,6 +1,6 @@
 # Combine existing list of authors with everyone known in git, sort, add header.
 tail --lines=+3 AUTHORS > AUTHORS.tmp
-git log --format='%aN' >> AUTHORS.tmp
+git log --format='%aN' | grep -v "Piët Delport" >> AUTHORS.tmp
 echo -e "List of CodeMirror contributors. Updated before every release.\n" > AUTHORS
 sort -u AUTHORS.tmp >> AUTHORS
 rm -f AUTHORS.tmp
diff --git a/js/codemirror-5.23.0/bin/lint b/js/codemirror-5.39.0/bin/lint
old mode 100755
new mode 100644
similarity index 100%
rename from js/codemirror-5.23.0/bin/lint
rename to js/codemirror-5.39.0/bin/lint
diff --git a/js/codemirror-5.23.0/bin/release b/js/codemirror-5.39.0/bin/release
old mode 100755
new mode 100644
similarity index 100%
rename from js/codemirror-5.23.0/bin/release
rename to js/codemirror-5.39.0/bin/release
diff --git a/js/codemirror-5.23.0/bin/source-highlight b/js/codemirror-5.39.0/bin/source-highlight
old mode 100755
new mode 100644
similarity index 100%
rename from js/codemirror-5.23.0/bin/source-highlight
rename to js/codemirror-5.39.0/bin/source-highlight
diff --git a/js/codemirror-5.23.0/bin/upload-release.js b/js/codemirror-5.39.0/bin/upload-release.js
similarity index 100%
rename from js/codemirror-5.23.0/bin/upload-release.js
rename to js/codemirror-5.39.0/bin/upload-release.js
diff --git a/js/codemirror-5.23.0/demo/activeline.html b/js/codemirror-5.39.0/demo/activeline.html
similarity index 100%
rename from js/codemirror-5.23.0/demo/activeline.html
rename to js/codemirror-5.39.0/demo/activeline.html
diff --git a/js/codemirror-5.23.0/demo/anywordhint.html b/js/codemirror-5.39.0/demo/anywordhint.html
similarity index 100%
rename from js/codemirror-5.23.0/demo/anywordhint.html
rename to js/codemirror-5.39.0/demo/anywordhint.html
diff --git a/js/codemirror-5.23.0/demo/bidi.html b/js/codemirror-5.39.0/demo/bidi.html
similarity index 63%
rename from js/codemirror-5.23.0/demo/bidi.html
rename to js/codemirror-5.39.0/demo/bidi.html
index 6dd73be..645e648 100644
--- a/js/codemirror-5.23.0/demo/bidi.html
+++ b/js/codemirror-5.39.0/demo/bidi.html
@@ -8,8 +8,9 @@
 
 
 
+  .CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}
+  fieldset {border: none}
+