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LibRegex: Partially implement string compare for Utf32View

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This commit is contained in:
Ali Mohammad Pur 2021-07-18 00:22:12 +04:30 • committed by Ali Mohammad Pur
parent da1fda73a7
commit 052004f92d
1 changed files with 16 additions and 2 deletions
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18
Userland/Libraries/LibRegex/RegexByteCode.cpp
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@ -529,6 +529,11 @@ ALWAYS_INLINE void OpCode_Compare::compare_char(const MatchInput& input, MatchSt
ALWAYS_INLINE bool OpCode_Compare::compare_string(const MatchInput& input, MatchState& state, const char* str, size_t length, bool& had_zero_length_match)
{
if (length == 0) {
had_zero_length_match = true;
return true;
}
if (input.view.is_u8_view()) {
auto str_view1 = StringView(str, length);
auto str_view2 = StringView(&input.view.u8view()[state.string_position], length);
@ -541,8 +546,17 @@ ALWAYS_INLINE bool OpCode_Compare::compare_string(const MatchInput& input, Match
if (string_equals) {
state.string_position += length;
if (length == 0)
had_zero_length_match = true;
return true;
}
} else {
bool equals;
if (input.regex_options & AllFlags::Insensitive)
TODO();
else
equals = __builtin_memcmp(str, &input.view.u32view().code_points()[state.string_position], length) == 0;
if (equals) {
state.string_position += length;
return true;
}
}