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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://www.ogre3d.org/
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::const_iterator mEnd;
00053         VectorIterator() {};
00054     public:
00059         VectorIterator(typename T::iterator start, typename T::const_iterator end)
00060             : mCurrent(start), mEnd(end)
00061         {
00062         }
00063 
00065         bool hasMoreElements(void) const
00066         {
00067             return mCurrent != mEnd;
00068         }
00069 
00071         typename T::value_type getNext(void)
00072         {
00073             return *mCurrent++;
00074         }
00076         typename T::value_type peekNext(void)
00077         {
00078             return *mCurrent;
00079         }
00081         typename T::pointer peekNextPtr(void)
00082         {
00083             return &(*mCurrent);
00084         }
00086         void moveNext(void)
00087         {
00088             mCurrent++;
00089         }
00090 
00091 
00092 
00093     };
00094 
00109     template <class T>
00110     class MapIterator
00111     {
00112     private:
00113         typename T::iterator mCurrent;
00114         typename T::const_iterator mEnd;
00116         MapIterator() {};
00117     public:
00122         MapIterator(typename T::iterator start, typename T::const_iterator end)
00123             : mCurrent(start), mEnd(end)
00124         {
00125         }
00126 
00128         bool hasMoreElements(void) const
00129         {
00130             return mCurrent != mEnd;
00131         }
00132 
00134         typename T::mapped_type getNext(void)
00135         {
00136             return (mCurrent++)->second;
00137         }
00139         typename T::mapped_type peekNextValue(void)
00140         {
00141             return mCurrent->second;
00142         }
00144         typename T::key_type peekNextKey(void)
00145         {
00146             return mCurrent->first;
00147         }
00149         MapIterator<T> & operator=( MapIterator<T> &rhs )
00150         {
00151             mCurrent = rhs.mCurrent;
00152             mEnd = rhs.mEnd;
00153             return *this;
00154         }
00157         typename T::pointer peekNextValuePtr(void)
00158         {
00159             return &(mCurrent->second);
00160         }
00162         void moveNext(void)
00163         {
00164             mCurrent++;
00165         }
00166 
00167 
00168 
00169     };
00170 
00171 }
00172 #endif

Copyright © 2002-2003 by The OGRE Team
Last modified Wed Jan 21 00:10:14 2004