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feat(string): add TChar::IsASCII to determine if it is an ASCII character

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Redstone1024
2024-11-10 18:45:15 +08:00
parent 43c59399d1
commit 90c2a37a2c
2 changed files with 115 additions and 194 deletions
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64
Redcraft.Utility/Source/Public/String/Char.h
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@ -156,6 +156,70 @@ struct TChar
return false;
}
NODISCARD FORCEINLINE static constexpr bool IsASCII(CharType InChar)
{
if constexpr (CSameAs<CharType, char>)
{
constexpr bool ASCIICompatible = []() -> bool
{
constexpr char ASCIITable[] =
TEXT("\u0000\u0001\u0002\u0003\u0004\u0005\u0006")
TEXT("\a\b\t\n\v\f\r")
TEXT("\u000E\u000F")
TEXT("\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017")
TEXT("\u0018\u0019\u001A\u001B\u001C\u001D\u001E\u001F")
TEXT(" !\"#$%&'()*+,-./0123456789:;<=>?")
TEXT("@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_")
TEXT("`abcdefghijklmnopqrstuvwxyz{|}~\u007F");
for (size_t Index = 0; Index <= 0x7F; ++Index)
{
if (ASCIITable[Index] != static_cast<char>(Index)) return false;
}
return true;
}
();
return ASCIICompatible && InChar <= 0x7F;
}
else if constexpr (CSameAs<CharType, wchar>)
{
constexpr bool ASCIICompatible = []() -> bool
{
constexpr wchar ASCIITable[] =
WTEXT("\u0000\u0001\u0002\u0003\u0004\u0005\u0006")
WTEXT("\a\b\t\n\v\f\r")
WTEXT("\u000E\u000F")
WTEXT("\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017")
WTEXT("\u0018\u0019\u001A\u001B\u001C\u001D\u001E\u001F")
WTEXT(" !\"#$%&'()*+,-./0123456789:;<=>?")
WTEXT("@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_")
WTEXT("`abcdefghijklmnopqrstuvwxyz{|}~\u007F");
for (size_t Index = 0; Index <= 0x7F; ++Index)
{
if (ASCIITable[Index] != static_cast<wchar>(Index)) return false;
}
return true;
}
();
return ASCIICompatible && InChar <= 0x7F;
}
else if constexpr (CSameAs<CharType, u8char> || CSameAs<CharType, u16char> || CSameAs<CharType, u32char> || CSameAs<CharType, unicodechar>)
{
return InChar <= 0x7F;
}
else static_assert(sizeof(CharType) == -1, "Unsupported character type");
return false;
}
NODISCARD FORCEINLINE static constexpr bool IsAlnum(CharType InChar)
{
if constexpr (CSameAs<CharType, char> || CSameAs<CharType, wchar>)