home *** CD-ROM | disk | FTP | other *** search
- // VirtualDub - Video processing and capture application
- // System library component
- // Copyright (C) 1998-2004 Avery Lee, All Rights Reserved.
- //
- // Beginning with 1.6.0, the VirtualDub system library is licensed
- // differently than the remainder of VirtualDub. This particular file is
- // thus licensed as follows (the "zlib" license):
- //
- // This software is provided 'as-is', without any express or implied
- // warranty. In no event will the authors be held liable for any
- // damages arising from the use of this software.
- //
- // Permission is granted to anyone to use this software for any purpose,
- // including commercial applications, and to alter it and redistribute it
- // freely, subject to the following restrictions:
- //
- // 1. The origin of this software must not be misrepresented; you must
- // not claim that you wrote the original software. If you use this
- // software in a product, an acknowledgment in the product
- // documentation would be appreciated but is not required.
- // 2. Altered source versions must be plainly marked as such, and must
- // not be misrepresented as being the original software.
- // 3. This notice may not be removed or altered from any source
- // distribution.
-
- #ifndef f_VD2_SYSTEM_VDQUEUE_H
- #define f_VD2_SYSTEM_VDQUEUE_H
-
- #include <vd2/system/List.h>
-
- template<class T>
- class VDQueueNode : public ListNode2< VDQueueNode<T> > {
- public:
- T t;
- VDQueueNode(const T& t2) : t(t2) {}
- };
-
- template<class T>
- class VDQueue {
- public:
- ListAlloc< VDQueueNode<T> > list;
-
- VDQueue<T>();
- ~VDQueue<T>();
- T Pop();
- T Peek();
- void Push(const T&);
- bool isEmpty() { return list.IsEmpty(); }
- };
-
- template<class T>
- VDQueue<T>::VDQueue<T>() {
- }
-
- template<class T>
- VDQueue<T>::~VDQueue<T>() {
- while(!list.IsEmpty())
- delete list.RemoveTail();
- }
-
- template<class T>
- T VDQueue<T>::Peek() {
- return list.AtHead()->t;
- }
-
- template<class T>
- T VDQueue<T>::Pop() {
- return list.RemoveHead()->t;
- }
-
- template<class T>
- void VDQueue<T>::Push(const T& t) {
- list.AddTail(new VDQueueNode<T>(t));
- }
-
- /////////////
-
- template<class T>
- class VDQueueAlloc : public VDQueue<T> {
- public:
- ~VDQueueAlloc();
- };
-
- template<class T>
- VDQueueAlloc<T>::~VDQueueAlloc() {
- for(ListAlloc< VDQueueNode<T> >::fwit it = list.begin(); it; ++it)
- delete &*it;
- }
-
- #endif
-