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Core/Utils: Transform char toUpper/toLower functions into callable function objects to better integrate with std algorithms (not calling through a function pointer allows inlining)

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(cherry picked from commit 054dd3596f)
This commit is contained in:
Shauren
2024-07-14 13:12:10 +02:00
parent 1f25a0ff92
commit 9237deef32
1 changed files with 60 additions and 44 deletions
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104
src/common/Utilities/Util.h
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@@ -229,59 +229,75 @@ inline bool isEastAsianString(std::wstring_view wstr, bool numericOrSpace)
return true;
}
inline wchar_t wcharToUpper(wchar_t wchar)
struct WcharToUpper
{
if (wchar >= L'a' && wchar <= L'z') // LATIN SMALL LETTER A - LATIN SMALL LETTER Z
return wchar_t(uint16(wchar)-0x0020);
if (wchar == 0x00DF) // LATIN SMALL LETTER SHARP S
return wchar_t(0x1E9E);
if (wchar >= 0x00E0 && wchar <= 0x00F6) // LATIN SMALL LETTER A WITH GRAVE - LATIN SMALL LETTER O WITH DIAERESIS
return wchar_t(uint16(wchar)-0x0020);
if (wchar >= 0x00F8 && wchar <= 0x00FE) // LATIN SMALL LETTER O WITH STROKE - LATIN SMALL LETTER THORN
return wchar_t(uint16(wchar)-0x0020);
if (wchar >= 0x0101 && wchar <= 0x012F) // LATIN SMALL LETTER A WITH MACRON - LATIN SMALL LETTER I WITH OGONEK (only %2=1)
wchar_t operator()(wchar_t wchar) const
{
if (wchar % 2 == 1)
return wchar_t(uint16(wchar)-0x0001);
if (wchar >= L'a' && wchar <= L'z') // LATIN SMALL LETTER A - LATIN SMALL LETTER Z
return wchar_t(uint16(wchar) - 0x0020);
if (wchar == 0x00DF) // LATIN SMALL LETTER SHARP S
return wchar_t(0x1E9E);
if (wchar >= 0x00E0 && wchar <= 0x00F6) // LATIN SMALL LETTER A WITH GRAVE - LATIN SMALL LETTER O WITH DIAERESIS
return wchar_t(uint16(wchar) - 0x0020);
if (wchar >= 0x00F8 && wchar <= 0x00FE) // LATIN SMALL LETTER O WITH STROKE - LATIN SMALL LETTER THORN
return wchar_t(uint16(wchar) - 0x0020);
if (wchar >= 0x0101 && wchar <= 0x012F) // LATIN SMALL LETTER A WITH MACRON - LATIN SMALL LETTER I WITH OGONEK (only %2=1)
{
if (wchar % 2 == 1)
return wchar_t(uint16(wchar) - 0x0001);
}
if (wchar >= 0x0430 && wchar <= 0x044F) // CYRILLIC SMALL LETTER A - CYRILLIC SMALL LETTER YA
return wchar_t(uint16(wchar) - 0x0020);
if (wchar == 0x0451) // CYRILLIC SMALL LETTER IO
return wchar_t(0x0401);
return wchar;
}
if (wchar >= 0x0430 && wchar <= 0x044F) // CYRILLIC SMALL LETTER A - CYRILLIC SMALL LETTER YA
return wchar_t(uint16(wchar)-0x0020);
if (wchar == 0x0451) // CYRILLIC SMALL LETTER IO
return wchar_t(0x0401);
} inline constexpr wcharToUpper;
return wchar;
}
inline wchar_t wcharToUpperOnlyLatin(wchar_t wchar)
struct WcharToUpperOnlyLatin
{
return isBasicLatinCharacter(wchar) ? wcharToUpper(wchar) : wchar;
}
inline wchar_t wcharToLower(wchar_t wchar)
{
if (wchar >= L'A' && wchar <= L'Z') // LATIN CAPITAL LETTER A - LATIN CAPITAL LETTER Z
return wchar_t(uint16(wchar)+0x0020);
if (wchar >= 0x00C0 && wchar <= 0x00D6) // LATIN CAPITAL LETTER A WITH GRAVE - LATIN CAPITAL LETTER O WITH DIAERESIS
return wchar_t(uint16(wchar)+0x0020);
if (wchar >= 0x00D8 && wchar <= 0x00DE) // LATIN CAPITAL LETTER O WITH STROKE - LATIN CAPITAL LETTER THORN
return wchar_t(uint16(wchar)+0x0020);
if (wchar >= 0x0100 && wchar <= 0x012E) // LATIN CAPITAL LETTER A WITH MACRON - LATIN CAPITAL LETTER I WITH OGONEK (only %2=0)
wchar_t operator()(wchar_t wchar) const
{
if (wchar % 2 == 0)
return wchar_t(uint16(wchar)+0x0001);
return isBasicLatinCharacter(wchar) ? wcharToUpper(wchar) : wchar;
}
if (wchar == 0x1E9E) // LATIN CAPITAL LETTER SHARP S
return wchar_t(0x00DF);
if (wchar == 0x0401) // CYRILLIC CAPITAL LETTER IO
return wchar_t(0x0451);
if (wchar >= 0x0410 && wchar <= 0x042F) // CYRILLIC CAPITAL LETTER A - CYRILLIC CAPITAL LETTER YA
return wchar_t(uint16(wchar)+0x0020);
} inline constexpr wcharToUpperOnlyLatin;
return wchar;
}
struct WcharToLower
{
wchar_t operator()(wchar_t wchar) const
{
if (wchar >= L'A' && wchar <= L'Z') // LATIN CAPITAL LETTER A - LATIN CAPITAL LETTER Z
return wchar_t(uint16(wchar)+0x0020);
if (wchar >= 0x00C0 && wchar <= 0x00D6) // LATIN CAPITAL LETTER A WITH GRAVE - LATIN CAPITAL LETTER O WITH DIAERESIS
return wchar_t(uint16(wchar)+0x0020);
if (wchar >= 0x00D8 && wchar <= 0x00DE) // LATIN CAPITAL LETTER O WITH STROKE - LATIN CAPITAL LETTER THORN
return wchar_t(uint16(wchar)+0x0020);
if (wchar >= 0x0100 && wchar <= 0x012E) // LATIN CAPITAL LETTER A WITH MACRON - LATIN CAPITAL LETTER I WITH OGONEK (only %2=0)
{
if (wchar % 2 == 0)
return wchar_t(uint16(wchar)+0x0001);
}
if (wchar == 0x1E9E) // LATIN CAPITAL LETTER SHARP S
return wchar_t(0x00DF);
if (wchar == 0x0401) // CYRILLIC CAPITAL LETTER IO
return wchar_t(0x0451);
if (wchar >= 0x0410 && wchar <= 0x042F) // CYRILLIC CAPITAL LETTER A - CYRILLIC CAPITAL LETTER YA
return wchar_t(uint16(wchar)+0x0020);
inline char charToUpper(char c) { return std::toupper(c); }
inline char charToLower(char c) { return std::tolower(c); }
return wchar;
}
} inline constexpr wcharToLower;
struct CharToUpper
{
char operator()(char c) const { return std::toupper(static_cast<unsigned char>(c)); }
} inline constexpr charToUpper;
struct CharToLower
{
char operator()(char c) const { return std::tolower(static_cast<unsigned char>(c)); }
} inline constexpr charToLower;
TC_COMMON_API void wstrToUpper(std::wstring& str);
TC_COMMON_API void wstrToLower(std::wstring& str);