67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_LIST_STL_H_
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#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_LIST_STL_H_
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#include <list>
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#include "constructor_magic.h"
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namespace webrtc {
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class ListItem
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{
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friend class ListWrapper;
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public:
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ListItem(const void* ptr);
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ListItem(const unsigned int item);
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virtual ~ListItem();
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void* GetItem() const;
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unsigned int GetUnsignedItem() const;
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private:
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mutable std::list<ListItem*>::iterator this_iter_;
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const void* item_ptr_;
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const unsigned int item_;
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DISALLOW_COPY_AND_ASSIGN(ListItem);
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};
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class ListWrapper
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{
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public:
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ListWrapper();
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~ListWrapper();
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// ListWrapper functions
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unsigned int GetSize() const;
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int PushBack(const void* ptr);
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int PushBack(const unsigned int item_id);
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int PushFront(const void* ptr);
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int PushFront(const unsigned int item_id);
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int PopFront();
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int PopBack();
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bool Empty() const;
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ListItem* First() const;
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ListItem* Last() const;
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ListItem* Next(ListItem* item) const;
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ListItem* Previous(ListItem* item) const;
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int Erase(ListItem* item);
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int Insert(ListItem* existing_previous_item, ListItem* new_item);
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int InsertBefore(ListItem* existing_next_item, ListItem* new_item);
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private:
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mutable std::list<ListItem*> list_;
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DISALLOW_COPY_AND_ASSIGN(ListWrapper);
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};
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} // namespace webrtc
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#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_LIST_STL_H_
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