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perf(string): add assertions to character functions that depend on ASCII compatibilitya

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This commit is contained in:
Redstone1024 2024-11-11 12:33:00 +08:00
parent f8ef1da107
commit 49feb0b12b
1 changed files with 20 additions and 9 deletions
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29
Redcraft.Utility/Source/Public/String/Char.h
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@ -161,7 +161,7 @@ struct TChar
return false;
}
NODISCARD FORCEINLINE static constexpr bool IsASCII(CharType InChar)
NODISCARD FORCEINLINE static constexpr bool IsASCII(CharType InChar = LITERAL(CharType, '\0'))
{
if constexpr (CSameAs<CharType, char>)
{
@ -359,19 +359,30 @@ struct TChar
NODISCARD FORCEINLINE static constexpr bool IsDigit(CharType InChar)
{
static_assert(TChar::IsASCII());
/* <U0030>..<U0039>; */
return (InChar >= LITERAL(CharType, '0') && InChar <= LITERAL(CharType, '9'));
return InChar >= LITERAL(CharType, '0') && InChar <= LITERAL(CharType, '9');
}
NODISCARD FORCEINLINE static constexpr bool IsDigit(CharType InChar, unsigned Base)
{
checkf(Base >= 2 && Base <= 36, TEXT("Base must be in the range [2, 36]."));
/* <U0030>..<U0039>;<U0041>..<U0046>;<U0061>..<U0066>; */
return
(InChar >= LITERAL(CharType, '0') && InChar < LITERAL(CharType, '0') + static_cast<signed>(Base) ) ||
(InChar >= LITERAL(CharType, 'a') && InChar < LITERAL(CharType, 'a') + static_cast<signed>(Base) - 10) ||
(InChar >= LITERAL(CharType, 'A') && InChar < LITERAL(CharType, 'A') + static_cast<signed>(Base) - 10);
static_assert(TChar::IsASCII());
bool bResult = false;
/* <U0030>..<U0039>; */
bResult |= InChar >= LITERAL(CharType, '0') && InChar < LITERAL(CharType, '0') + static_cast<signed>(Base);
/* <U0041>..<U0046>; */
bResult |= InChar >= LITERAL(CharType, 'a') && InChar < LITERAL(CharType, 'a') + static_cast<signed>(Base) - 10;
/* <U0061>..<U0066>; */
bResult |= InChar >= LITERAL(CharType, 'A') && InChar < LITERAL(CharType, 'A') + static_cast<signed>(Base) - 10;
return bResult;
}
NODISCARD FORCEINLINE static constexpr bool IsCntrl(CharType InChar)
@ -800,6 +811,8 @@ struct TChar
NODISCARD FORCEINLINE static constexpr TOptional<unsigned> ToDigit(CharType InChar, unsigned Base = 10)
{
static_assert(TChar::IsASCII());
constexpr uint8 DigitFromChar[] =
{
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
@ -826,8 +839,6 @@ struct TChar
if (DigitFromChar[InChar] >= Base) return Invalid;
check(TChar::IsASCII(InChar));
return DigitFromChar[InChar];
}