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OgreIteratorWrappers.h

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://ogre.sourceforge.net/
00006 
00007 Copyright © 2000-2002 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #ifndef __IteratorWrappers_H__
00026 #define __IteratorWrappers_H__
00027 
00028 #include "OgrePrerequisites.h"
00029 
00030 namespace Ogre {
00031 
00046     template <class T>
00047     class VectorIterator
00048     {
00049     private:
00050         typename T::iterator mCurrent;
00051         typename T::iterator mEnd;
00052     public:
00053         VectorIterator();
00058         VectorIterator(typename T::iterator start, typename T::iterator end)
00059             : mCurrent(start), mEnd(end)
00060         {
00061         }
00062 
00064         bool hasMoreElements(void)
00065         {
00066             return mCurrent != mEnd;
00067         }
00068 
00070         typename T::value_type getNext(void)
00071         {
00072             return *mCurrent++;
00073         }
00075         typename T::value_type peekNext(void)
00076         {
00077             return *mCurrent;
00078         }
00079 
00080 
00081 
00082     };
00083 
00098     template <class T>
00099     class MapIterator
00100     {
00101     private:
00102         typename T::iterator mCurrent;
00103         typename T::iterator mEnd;
00104     public:
00105         MapIterator();
00110         MapIterator(typename T::iterator start, typename T::iterator end)
00111             : mCurrent(start), mEnd(end)
00112         {
00113         }
00114 
00116         bool hasMoreElements(void)
00117         {
00118             return mCurrent != mEnd;
00119         }
00120 
00122         typename T::mapped_type getNext(void)
00123         {
00124             return (mCurrent++)->second;
00125         }
00127         typename T::mapped_type peekNextValue(void)
00128         {
00129             return mCurrent->second;
00130         }
00132         typename T::key_type peekNextKey(void)
00133         {
00134             return mCurrent->first;
00135         }
00137         MapIterator<T> & operator=( MapIterator<T> &rhs )
00138         {
00139             mCurrent = rhs.mCurrent;
00140             mEnd = rhs.mEnd;
00141             return *this;
00142         }
00143 
00144 
00145 
00146     };
00147 
00148 }
00149 #endif

Copyright © 2002 by The OGRE Team