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libpsynth 0.2.1
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00001 /*************************************************************************** 00002 * * 00003 * PSYCHOSYNTH * 00004 * =========== * 00005 * * 00006 * Copyright (C) Juan Pedro Bolivar Puente 2008 * 00007 * * 00008 * This program is free software: you can redistribute it and/or modify * 00009 * it under the terms of the GNU General Public License as published by * 00010 * the Free Software Foundation, either version 3 of the License, or * 00011 * (at your option) any later version. * 00012 * * 00013 * This program is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00016 * GNU General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU General Public License * 00019 * along with this program. If not, see <http://www.gnu.org/licenses/>. * 00020 * * 00021 ***************************************************************************/ 00022 00023 #ifndef PSYNTH_OBJECTFACTORY_H 00024 #define PSYNTH_OBJECTFACTORY_H 00025 00026 #include <psynth/graph/node.hpp> 00027 00028 #define PSYNTH_DECLARE_NODE_FACTORY( T, name )\ 00029 class T ## _factory : public ::psynth::graph::node_factory \ 00030 { \ 00031 public: \ 00032 psynth::graph::node* create (const audio_info& info) \ 00033 { \ 00034 return new T (info); \ 00035 } \ 00036 \ 00037 void destroy (psynth::graph::node* obj) \ 00038 { \ 00039 delete obj; \ 00040 } \ 00041 const char* get_name () { \ 00042 return name; \ 00043 } \ 00044 }; \ 00045 T ## _factory& get_ ## T ## _factory(); 00046 00047 #define PSYNTH_DEFINE_NODE_FACTORY( T )\ 00048 T ## _factory& get_ ## T ## _factory ()\ 00049 {\ 00050 static T ## _factory s_factory;\ 00051 return s_factory;\ 00052 } 00053 00054 namespace psynth 00055 { 00056 namespace graph 00057 { 00058 00059 class node_factory 00060 { 00061 public: 00062 00063 virtual const char* get_name () = 0; 00064 virtual node* create (const audio_info& m_info) = 0; 00065 virtual void destroy (node* nod) = 0; 00066 }; 00067 00068 } /* namespace graph */ 00069 } /* namespace psynth */ 00070 00071 #endif /* PSYNTH_OBJECTFACTORY_H */
1.7.4