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 |
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@@ -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 |