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AK: Introduce StringBase::replace_with_new_{short_,}string

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This commit is contained in:
Dan Klishch
2023-10-28 16:43:56 -04:00
committed by Andrew Kaster
parent d6290c4684
commit dcd1fda9c8
4 changed files with 56 additions and 37 deletions
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16
AK/StringBase.cpp
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@@ -54,11 +54,6 @@ StringBase& StringBase::operator=(StringBase const& other)
return *this;
}
bool StringBase::is_short_string() const
{
return has_short_string_bit(reinterpret_cast<uintptr_t>(m_data));
}
ReadonlyBytes StringBase::bytes() const
{
if (is_short_string())
@@ -82,6 +77,17 @@ bool StringBase::operator==(StringBase const& other) const
return bytes() == other.bytes();
}
ErrorOr<Bytes> StringBase::replace_with_uninitialized_buffer(size_t byte_count)
{
if (byte_count <= MAX_SHORT_STRING_BYTE_COUNT)
return replace_with_uninitialized_short_string(byte_count);
u8* buffer = nullptr;
destroy_string();
m_data = &TRY(StringData::create_uninitialized(byte_count, buffer)).leak_ref();
return Bytes { buffer, byte_count };
}
void StringBase::destroy_string()
{
if (!is_short_string())