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AK: Add a way to get the number of valid bytes in a Utf8View

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AnotherTest 2020-05-18 13:45:18 +04:30 • committed by Andreas Kling
parent 07c765e258
commit a4e0b585fe
3 changed files with 24 additions and 9 deletions
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5
AK/Utf8View.cpp
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@ -111,8 +111,9 @@ static inline bool decode_first_byte(
return false;
}
bool Utf8View::validate() const
bool Utf8View::validate(size_t& valid_bytes) const
{
valid_bytes = 0;
for (auto ptr = begin_ptr(); ptr < end_ptr(); ptr++) {
int codepoint_length_in_bytes;
u32 value;
@ -127,6 +128,8 @@ bool Utf8View::validate() const
if (*ptr >> 6 != 2)
return false;
}
valid_bytes += codepoint_length_in_bytes;
}
return true;