00001 /* Copyright (C) 2004 Guido Simone 00002 * 00003 * This program is free software; you can redistribute it and/or modify 00004 * it under the terms of the GNU General Public License as published by 00005 * the Free Software Foundation; either version 2 of the License, or 00006 * (at your option) any later version. 00007 * 00008 * This program is distributed in the hope that it will be useful, 00009 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 * GNU General Public License for more details. 00012 00013 * You should have received a copy of the GNU General Public License 00014 * along with this program; if not, write to the Free Software 00015 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00016 */ 00017 00018 #ifndef GXLIB_GXAUDIOXMLGRAPHWRITER_H 00019 #define GXLIB_GXAUDIOXMLGRAPHWRITER_H 00020 00021 #include "../../gx.h" 00022 #include "../gxAudioFilterVisitor.h" 00023 class gxAudioGraph; 00024 class gxAudioPin; 00025 class gxAudioFilter; 00026 00030 class gxAudioXmlGraphWriter : public gxAudioFilterVisitor 00031 { 00032 public: 00033 virtual ~gxAudioXmlGraphWriter(); 00034 gxAudioXmlGraphWriter( std::ostream & out ); 00035 00036 void writeFilters( gxAudioGraph * graph ); 00037 00038 protected: 00039 void begin(); 00040 void end(); 00041 void writeOtherPin( gxAudioPin * pin ); 00042 00043 void writePin( gxAudioPin * pin ); 00044 void writeNameAttr( gxAudioFilter * filter ); 00045 virtual bool visit( gxAudioFilter * filter ); 00046 private: 00047 std::ostream & m_out; 00048 gxAudioXmlGraphWriter( const gxAudioXmlGraphWriter & rhs); 00049 gxAudioXmlGraphWriter & operator=( const gxAudioXmlGraphWriter & rhs); 00050 }; 00051 #endif