| Index: Source/WTF/wtf/DoublyLinkedList.h
|
| diff --git a/Source/WTF/wtf/DoublyLinkedList.h b/Source/WTF/wtf/DoublyLinkedList.h
|
| deleted file mode 100644
|
| index cd067ef0a8768afb4d00c55733b5015e249e3048..0000000000000000000000000000000000000000
|
| --- a/Source/WTF/wtf/DoublyLinkedList.h
|
| +++ /dev/null
|
| @@ -1,194 +0,0 @@
|
| -/*
|
| - * 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 DoublyLinkedList_h
|
| -#define DoublyLinkedList_h
|
| -
|
| -namespace WTF {
|
| -
|
| -// This class allows nodes to share code without dictating data member layout.
|
| -template<typename T> class DoublyLinkedListNode {
|
| -public:
|
| - DoublyLinkedListNode();
|
| -
|
| - void setPrev(T*);
|
| - void setNext(T*);
|
| -
|
| - T* prev() const;
|
| - T* next() const;
|
| -};
|
| -
|
| -template<typename T> inline DoublyLinkedListNode<T>::DoublyLinkedListNode()
|
| -{
|
| - setPrev(0);
|
| - setNext(0);
|
| -}
|
| -
|
| -template<typename T> inline void DoublyLinkedListNode<T>::setPrev(T* prev)
|
| -{
|
| - static_cast<T*>(this)->m_prev = prev;
|
| -}
|
| -
|
| -template<typename T> inline void DoublyLinkedListNode<T>::setNext(T* next)
|
| -{
|
| - static_cast<T*>(this)->m_next = next;
|
| -}
|
| -
|
| -template<typename T> inline T* DoublyLinkedListNode<T>::prev() const
|
| -{
|
| - return static_cast<const T*>(this)->m_prev;
|
| -}
|
| -
|
| -template<typename T> inline T* DoublyLinkedListNode<T>::next() const
|
| -{
|
| - return static_cast<const T*>(this)->m_next;
|
| -}
|
| -
|
| -template<typename T> class DoublyLinkedList {
|
| -public:
|
| - DoublyLinkedList();
|
| -
|
| - bool isEmpty() const;
|
| - size_t size() const; // This is O(n).
|
| - void clear();
|
| -
|
| - T* head() const;
|
| - T* removeHead();
|
| -
|
| - T* tail() const;
|
| -
|
| - void push(T*);
|
| - void append(T*);
|
| - void remove(T*);
|
| -
|
| -private:
|
| - T* m_head;
|
| - T* m_tail;
|
| -};
|
| -
|
| -template<typename T> inline DoublyLinkedList<T>::DoublyLinkedList()
|
| - : m_head(0)
|
| - , m_tail(0)
|
| -{
|
| -}
|
| -
|
| -template<typename T> inline bool DoublyLinkedList<T>::isEmpty() const
|
| -{
|
| - return !m_head;
|
| -}
|
| -
|
| -template<typename T> inline size_t DoublyLinkedList<T>::size() const
|
| -{
|
| - size_t size = 0;
|
| - for (T* node = m_head; node; node = node->next())
|
| - ++size;
|
| - return size;
|
| -}
|
| -
|
| -template<typename T> inline void DoublyLinkedList<T>::clear()
|
| -{
|
| - m_head = 0;
|
| - m_tail = 0;
|
| -}
|
| -
|
| -template<typename T> inline T* DoublyLinkedList<T>::head() const
|
| -{
|
| - return m_head;
|
| -}
|
| -
|
| -template<typename T> inline T* DoublyLinkedList<T>::tail() const
|
| -{
|
| - return m_tail;
|
| -}
|
| -
|
| -template<typename T> inline void DoublyLinkedList<T>::push(T* node)
|
| -{
|
| - if (!m_head) {
|
| - ASSERT(!m_tail);
|
| - m_head = node;
|
| - m_tail = node;
|
| - node->setPrev(0);
|
| - node->setNext(0);
|
| - return;
|
| - }
|
| -
|
| - ASSERT(m_tail);
|
| - m_head->setPrev(node);
|
| - node->setNext(m_head);
|
| - node->setPrev(0);
|
| - m_head = node;
|
| -}
|
| -
|
| -template<typename T> inline void DoublyLinkedList<T>::append(T* node)
|
| -{
|
| - if (!m_tail) {
|
| - ASSERT(!m_head);
|
| - m_head = node;
|
| - m_tail = node;
|
| - node->setPrev(0);
|
| - node->setNext(0);
|
| - return;
|
| - }
|
| -
|
| - ASSERT(m_head);
|
| - m_tail->setNext(node);
|
| - node->setPrev(m_tail);
|
| - node->setNext(0);
|
| - m_tail = node;
|
| -}
|
| -
|
| -template<typename T> inline void DoublyLinkedList<T>::remove(T* node)
|
| -{
|
| - if (node->prev()) {
|
| - ASSERT(node != m_head);
|
| - node->prev()->setNext(node->next());
|
| - } else {
|
| - ASSERT(node == m_head);
|
| - m_head = node->next();
|
| - }
|
| -
|
| - if (node->next()) {
|
| - ASSERT(node != m_tail);
|
| - node->next()->setPrev(node->prev());
|
| - } else {
|
| - ASSERT(node == m_tail);
|
| - m_tail = node->prev();
|
| - }
|
| -}
|
| -
|
| -template<typename T> inline T* DoublyLinkedList<T>::removeHead()
|
| -{
|
| - T* node = head();
|
| - if (node)
|
| - remove(node);
|
| - return node;
|
| -}
|
| -
|
| -} // namespace WTF
|
| -
|
| -using WTF::DoublyLinkedListNode;
|
| -using WTF::DoublyLinkedList;
|
| -
|
| -#endif
|
|
|