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Wednesday the 23rd of May 2012 @ 06:29pm

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LibN2L N2L Home Older News Downloads Documentation (n2l5) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Documentation (libN2L-4) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Bugtracker Project Page Report a Bug Bug List Related Things Life 2130 Devel Game Journal

LibN2L-4 Library Code Reference Classes Compounds Files Members Method Index Full Reference cUniStreamImp.h Go to the documentation of this file. /************************************************************************ Nova-2 Library (libN2L, or simply n2l) Game development C++ Library Copyright (C) 2003 Aaron Cameron This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA A copy of the GNU Lesser General Public License has been provided with this library in the file 'COPYING'. Contact information for the author of this library has been provided with this library in the file 'AUTHOR'. ************************************************************************/ #ifndef _n2l4_cUniStreamImp_H #define _n2l4_cUniStreamImp_H #include "n2l/n2l.h" #include "cStreamFilterInterface.h" #include "cInsertionStreamInterface.h" #include "cStreamConverterInterface.h" #include <vector> namespace n2l { template < class TIValue, class TOValue, class TVContainer > class cUniStreamImp { public: typedef cUniStreamImp<TIValue,TOValue,TVContainer> tThis; typedef TIValue tInValue; typedef TOValue tOutValue; typedef TVContainer tValueContainer; typedef cStreamConverterInterface<tInValue,tOutValue> tConverter; // Seperate joins and filters into pre and post conversions typedef cInsertionStreamInterface<tInValue> tPreConvJoiner; typedef cStreamFilterInterface<tInValue> tPreFilter; typedef cInsertionStreamInterface<tInValue> tPostConvJoiner; typedef cStreamFilterInterface<tOutValue> tPostFilter; typedef typename tValueContainer::size_type tSize; typedef std::vector<cAutoPtr<tPreFilter> > tPreFilterContainer; typedef typename tPreFilterContainer::iterator tPreFilterIterator; typedef std::vector<cAutoPtr<tPostFilter> > tPostFilterContainer; typedef typename tPostFilterContainer::iterator tPostFilterIterator; typedef std::vector<cAutoPtr<tPreConvJoiner> > tPreConvJoinContainer; typedef typename tPreConvJoinContainer::iterator tPreConvJoinIterator; typedef std::vector<cAutoPtr<tPostConvJoiner> > tPostConvJoinContainer; typedef typename tPostConvJoinContainer::iterator tPostConvJoinIterator; /* ************************************************************ */ cUniStreamImp( const cAutoPtr<tConverter> & i_ioConverter ) : mConverter(i_ioConverter), mConnected(true) { } /* ************************************************************ */ void push( const tInValue & i_value ) { if (!connected()) return; const tPreFilterIterator EndPreFilterIt = mPreFilters.end(); for ( tPreFilterIterator filterIt = mPreFilters.begin(); EndPreFilterIt!=filterIt; ++filterIt ) if (!(*filterIt)->allow(i_value)) return; const tPreConvJoinIterator EndPreStreamIt = mPreConvJoiners.end(); for ( tPreConvJoinIterator streamIt = mPreConvJoiners.begin(); EndPreStreamIt!=streamIt; ++streamIt ) (*streamIt)->push(i_value); tOutValue temp; mConverter->convert(temp,i_value); const tPostFilterIterator EndPostFilterIt = mPostFilters.end(); for ( tPostFilterIterator filterIt = mPostFilters.begin(); EndPostFilterIt!=filterIt; ++filterIt ) if (!(*filterIt)->allow(temp)) return; const tPostConvJoinIterator EndPostStreamIt = mPostConvJoiners.end(); for ( tPostConvJoinIterator streamIt = mPostConvJoiners.begin(); EndPostStreamIt!=streamIt; ++streamIt ) (*streamIt)->push(temp); mValues.push(temp); } /* ************************************************************ */ const tBool pop( tOutValue & oValue ) { if (mValues.empty()) return false; oValue = mValues.front(); mValues.pop(); return true; } /* ************************************************************ */ const tSize size() const { return mValues.size(); } /* ************************************************************ */ const tBool empty() const { return mValues.empty(); } /* ************************************************************ */ void attachInsertionFilter( const cAutoPtr<tPreFilter> & i_ioFilter ) { mPreFilters.push_back( i_ioFilter ); } /* ************************************************************ */ void attachExtractionFilter( const cAutoPtr<tPostFilter> & i_ioFilter ) { mPostFilters.push_back( i_ioFilter ); } /* ************************************************************ */ void attachPreConversionStream( const cAutoPtr<tPreConvJoiner> & i_ioStream ) { mPreConvJoiners.push_back(i_ioStream); } /* ************************************************************ */ void attachPostConversionStream( const cAutoPtr<tPostConvJoiner> & i_ioStream ) { mPostConvJoiners.push_back(i_ioStream); } /* ************************************************************ */ const tBool connected() const { return mConnected; } /* ************************************************************ */ void disconnect() { mConnected = false; } private: tValueContainer mValues; tPreFilterContainer mPreFilters; tPostFilterContainer mPostFilters; tPreConvJoinContainer mPreConvJoiners; tPostConvJoinContainer mPostConvJoiners; cAutoPtr<tConverter> mConverter; tBool mConnected; }; // class } // namespace n2l #endif

©2012 Aaron Cameron