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AK: Add some string comparison operators

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Some of these are very inefficient. It's nice to have some optimization
opportunities in the future though. :^)
This commit is contained in:
Andreas Kling 2020-03-28 09:11:00 +01:00
parent 0d2fb306af
commit 95cc4c7e74
4 changed files with 34 additions and 0 deletions
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17
AK/FlyString.cpp
View file

@ -104,4 +104,21 @@ StringView FlyString::view() const
return { characters(), length() };
}
bool FlyString::operator==(const String& string) const
{
if (m_impl == string.impl())
return true;
return String(m_impl.ptr()) == string;
}
bool FlyString::operator==(const StringView& string) const
{
return String(string) == String(m_impl.ptr());
}
bool FlyString::operator==(const char* string) const
{
return String(string) == String(m_impl.ptr());
}
}

9
AK/FlyString.h
View file

@ -42,6 +42,15 @@ public:
bool operator==(const FlyString& other) const { return m_impl == other.m_impl; }
bool operator!=(const FlyString& other) const { return m_impl != other.m_impl; }
bool operator==(const String&) const;
bool operator!=(const String& string) const { return !(*this == string); }
bool operator==(const StringView&) const;
bool operator!=(const StringView& string) const { return !(*this == string); }
bool operator==(const char*) const;
bool operator!=(const char* string) const { return !(*this == string); }
const StringImpl* impl() const { return m_impl; }
const char* characters() const { return m_impl ? m_impl->characters() : nullptr; }
size_t length() const { return m_impl ? m_impl->length() : 0; }

5
AK/String.cpp
View file

@ -50,6 +50,11 @@ String::String(const StringView& view)
m_impl = StringImpl::create(view.characters_without_null_termination(), view.length());
}
bool String::operator==(const FlyString& fly_string) const
{
return *this == String(fly_string.impl());
}
bool String::operator==(const String& other) const
{
if (!m_impl)

3
AK/String.h
View file

@ -148,6 +148,9 @@ public:
bool operator==(const StringView&) const;
bool operator!=(const StringView& other) const { return !(*this == other); }
bool operator==(const FlyString&) const;
bool operator!=(const FlyString& other) const { return !(*this == other); }
bool operator<(const String&) const;
bool operator<(const char*) const;
bool operator>=(const String& other) const { return !(*this < other); }