eui/message: Implemented MessageString

[Muz-dev]

I also added Globbing to the CMake Stuff.
I didn't impl that one function because I couldn't get it to match. If anybody has any idea then that would be great.

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This change is 

[MonsterDruide1]

@MonsterDruide1 reviewed 3 of 3 files at r1, all commit messages.
Reviewable status: all files reviewed, 9 unresolved discussions (waiting on @Muz-dev)

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a discussion (no related file):
For header and source: Replace char16_t with char16 from sead

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CMakeLists.txt line 4 at r1 (raw file):

file(GLOB_RECURSE HEADER_FILES "include/*.h")
file(GLOB_RECURSE SRC "src/*.cpp")

Suggestion:

file(GLOB_RECURSE HEADERS CONFIGURE_DEPENDS include/*.h)
file(GLOB_RECURSE SRC CONFIGURE_DEPENDS src/*.cpp)

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CMakeLists.txt line 21 at r1 (raw file):

target_link_libraries(eui PUBLIC agl)
if(NOT TARGET sead)
	add_subdirectory(../sead)

Suggestion:

  add_subdirectory(../sead)

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CMakeLists.txt line 24 at r1 (raw file):

endif()

target_link_libraries(eui PUBLIC sead)

Suggestion:

endif()
target_link_libraries(eui PUBLIC sead)

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include/message/euiMessageString.h line 12 at r1 (raw file):

    class iterator {
    public:
        iterator(const char16_t* ptr, u32 index = 0) : mPtr(ptr), mIndex(index) {}

Suggestion:

iterator(const char16_t* ptr, s32 index = 0) : mPtr(ptr), mIndex(index) {}

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include/message/euiMessageString.h line 39 at r1 (raw file):

private:
    const char16_t* mStr;
    u32 mStrLen;

Suggestion:

s32 mStrLen;

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src/message/euiMessageString.cpp line 10 at r1 (raw file):

    mStr = nullptr;
    mStrLen = 0;
}

Move default values to header

Suggestion:

MessageString::MessageString() = default;

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src/message/euiMessageString.cpp line 30 at r1 (raw file):

    mStr = str.getStr();
    mStrLen = str.getStrLen();
}

Can all of these use initializer lists?
MessageString(s32 len, const char16_t* str) : mStr(str), mStrLen(len) {}

Code quote:

MessageString::MessageString(s32 len, const char16_t* str) {
    mStr = str;
    mStrLen = len;
}

MessageString::MessageString(const char16_t* str, const char16_t* str2) {
    mStr = str;
    mStrLen = (str2 - str);
}

MessageString::MessageString(const sead::SafeStringBase<char16_t>& str) {
    mStr = str.cstr();
    mStrLen = str.calcLength();
}

MessageString::MessageString(const MessageString& str) {
    mStr = str.getStr();
    mStrLen = str.getStrLen();
}

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src/message/euiMessageString.cpp line 57 at r1 (raw file):

        mStr,
        size
    };

Suggestion:

    return {
        mStr,
        sead::Mathi::clampMax(len, mStrLen)
    };

[german77]

GLOB_RECURSE has proven to give issues with NEX as it doesn't recreate the file list on subprojects.