ladybird/AK/FlyString.h
Andreas Kling 7d862dd5fc AK: Reduce header dependency graph of String.h
String.h no longer pulls in StringView.h. We do this by moving a bunch
of String functions out-of-line.
2020-03-23 13:48:44 +01:00

68 lines
2.4 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/String.h>
namespace AK {
class FlyString {
public:
FlyString() {}
FlyString(const String&);
FlyString(const StringView&);
FlyString(const char*);
bool operator==(const FlyString& other) const { return m_impl == other.m_impl; }
bool operator!=(const FlyString& other) const { return m_impl != other.m_impl; }
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; }
StringView view() const;
FlyString to_lowercase() const;
int to_int(bool& ok) const;
bool equals_ignoring_case(const StringView&) const;
static void did_destroy_impl(Badge<StringImpl>, StringImpl&);
private:
RefPtr<StringImpl> m_impl;
};
template<>
struct Traits<FlyString> : public GenericTraits<FlyString> {
static unsigned hash(const FlyString& s) { return s.impl() ? s.impl()->hash() : 0; }
};
}
using AK::FlyString;