The Gnome Chemistry Utils 0.13.3
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00001 // -*- C++ -*- 00002 00003 /* 00004 * Gnome Chemistry Utils 00005 * gcu/loader.h 00006 * 00007 * Copyright (C) 2007-2011 Jean Bréfort <jean.brefort@normalesup.org> 00008 * 00009 * This program is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU General Public License as 00011 * published by the Free Software Foundation; either version 2 of the 00012 * License, or (at your option) any later version. 00013 * 00014 * This program is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 * GNU General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU General Public License 00020 * along with this program; if not, write to the Free Software 00021 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 00022 * USA 00023 */ 00024 00025 #ifndef GCU_LOADER_H 00026 #define GCU_LOADER_H 00027 00028 #include "structs.h" 00029 #include <list> 00030 #include <map> 00031 #include <string> 00032 #include <goffice/goffice.h> 00033 #include <gsf/gsf-input.h> 00034 #include <gsf/gsf-output.h> 00035 00037 namespace gcu { 00038 00039 class Document; 00040 class Loader; 00041 class Object; 00042 00048 typedef struct { 00052 Loader *loader; 00056 bool read; 00060 bool write; 00064 bool supports2D; 00068 bool supports3D; 00072 bool supportsCrystals; 00076 bool supportsSpectra; 00077 } LoaderStruct; 00078 00144 class Loader 00145 { 00146 public: 00151 Loader (); 00156 virtual ~Loader (); 00157 00158 // static methods 00165 static void Init (Application *app); 00174 static bool GetFirstLoader (std::map<std::string, LoaderStruct>::iterator &it); 00181 static bool GetNextLoader (std::map<std::string, LoaderStruct>::iterator &it); 00186 static Loader *GetLoader (char const *mime_type); 00191 static Loader *GetSaver (char const *mime_type); 00192 00193 // virtual methods 00205 virtual ContentType Read (Document *doc, GsfInput *in, char const *mime_type, GOIOContext *io); 00218 virtual bool Write (Object const *obj, GsfOutput *out, char const *mime_type, GOIOContext *io, ContentType type = ContentTypeMisc); 00219 00220 protected: 00226 void AddMimeType (const char *mime_type); 00232 void RemoveMimeType (const char *mime_type); 00233 00234 private: 00235 static bool Inited; 00236 00237 protected: 00241 std::list<std::string> MimeTypes; 00242 }; 00243 00244 } 00245 00246 #endif // GCU_LOADER_H