chromium/third_party/blink/renderer/platform/wtf/doubly_linked_list.h

/*
 * Copyright (C) 2011 Apple Inc. 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_DOUBLY_LINKED_LIST_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_DOUBLY_LINKED_LIST_H_

#include "base/check_op.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/type_traits.h"
#include "third_party/blink/renderer/platform/wtf/wtf_size_t.h"

namespace WTF {

// This class allows nodes to share code without dictating data member layout.
template <typename T>
class DoublyLinkedListNode { … };

template <typename T>
inline DoublyLinkedListNode<T>::DoublyLinkedListNode() { … }

template <typename T>
inline void DoublyLinkedListNode<T>::SetPrev(T* prev) { … }

template <typename T>
inline void DoublyLinkedListNode<T>::SetNext(T* next) { … }

template <typename T>
inline T* DoublyLinkedListNode<T>::Prev() const { … }

template <typename T>
inline T* DoublyLinkedListNode<T>::Next() const { … }

template <typename T, typename PointerType = T*>
class DoublyLinkedList { … };

template <typename T, typename PointerType>
inline DoublyLinkedList<T, PointerType>::DoublyLinkedList()
    : … { … }

template <typename T, typename PointerType>
inline bool DoublyLinkedList<T, PointerType>::empty() const { … }

template <typename T, typename PointerType>
inline wtf_size_t DoublyLinkedList<T, PointerType>::size() const { … }

template <typename T, typename PointerType>
inline void DoublyLinkedList<T, PointerType>::Clear() { … }

template <typename T, typename PointerType>
inline T* DoublyLinkedList<T, PointerType>::Head() const { … }

template <typename T, typename PointerType>
inline T* DoublyLinkedList<T, PointerType>::Tail() const { … }

template <typename T, typename PointerType>
inline void DoublyLinkedList<T, PointerType>::Push(T* node) { … }

template <typename T, typename PointerType>
inline void DoublyLinkedList<T, PointerType>::Append(T* node) { … }

template <typename T, typename PointerType>
inline void DoublyLinkedList<T, PointerType>::Remove(T* node) { … }

template <typename T, typename PointerType>
inline T* DoublyLinkedList<T, PointerType>::RemoveHead() { … }

template <typename T, typename PointerType>
template <typename CompareFunc>
inline typename DoublyLinkedList<T, PointerType>::AddResult
DoublyLinkedList<T, PointerType>::Insert(std::unique_ptr<T> node,
                                         const CompareFunc& compare_func) { … }

template <typename T, typename PointerType>
template <typename CompareFunc>
inline typename DoublyLinkedList<T, PointerType>::AddResult
DoublyLinkedList<T, PointerType>::Insert(T* node,
                                         const CompareFunc& compare_func) { … }

template <typename T, typename PointerType>
inline typename DoublyLinkedList<T, PointerType>::AddResult
DoublyLinkedList<T, PointerType>::InsertAfter(std::unique_ptr<T> node,
                                              T* insertion_point) { … }

template <typename T, typename PointerType>
inline typename DoublyLinkedList<T, PointerType>::AddResult
DoublyLinkedList<T, PointerType>::InsertAfter(T* node, T* insertion_point) { … }

}  // namespace WTF

DoublyLinkedListNode;
DoublyLinkedList;

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_DOUBLY_LINKED_LIST_H_