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AK: Implement a slightly better FlyString::operator==(String)

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This was showing up in Browser profiles, which is silly, so write a new
version that doesn't create a temporary String object.

There are a whole bunch of these and long-term it would be nice to find
a way to share all the very similar logic instead of duplicating it.
This commit is contained in:
Andreas Kling
2020-06-16 19:18:44 +02:00
parent 6242e029ed
commit 35329400b8
1 changed files with 14 additions and 4 deletions
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18
AK/FlyString.cpp
View File

@@ -114,16 +114,26 @@ StringView FlyString::view() const
return { characters(), length() };
}
bool FlyString::operator==(const String& string) const
bool FlyString::operator==(const String& other) const
{
if (m_impl == string.impl())
if (m_impl == other.impl())
return true;
return String(m_impl.ptr()) == string;
if (!m_impl)
return !other.impl();
if (!other.impl())
return false;
if (length() != other.length())
return false;
return !__builtin_memcmp(characters(), other.characters(), length());
}
bool FlyString::operator==(const StringView& string) const
{
return String(string) == String(m_impl.ptr());
return *this == String(string);
}
bool FlyString::operator==(const char* string) const