FIFE  2008.0
zipsource.h
00001 /***************************************************************************
00002  *   Copyright (C) 2005-2008 by the FIFE team                              *
00003  *   http://www.fifengine.de                                               *
00004  *   This file is part of FIFE.                                            *
00005  *                                                                         *
00006  *   FIFE is free software; you can redistribute it and/or                 *
00007  *   modify it under the terms of the GNU Lesser General Public            *
00008  *   License as published by the Free Software Foundation; either          *
00009  *   version 2.1 of the License, or (at your option) any later version.    *
00010  *                                                                         *
00011  *   This library is distributed in the hope that it will be useful,       *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00014  *   Lesser General Public License for more details.                       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with this library; if not, write to the                 *
00018  *   Free Software Foundation, Inc.,                                       *
00019  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
00020  ***************************************************************************/
00021 
00022 #ifndef FIFE_ZIP_SOURCE_H
00023 #define FIFE_ZIP_SOURCE_H
00024 
00025 // Standard C++ library includes
00026 //
00027 #include <map>
00028 
00029 // 3rd party library includes
00030 //
00031 
00032 // FIFE includes
00033 // These includes are split up in two parts, separated by one empty line
00034 // First block: files included from the FIFE root src directory
00035 // Second block: files included from the same folder
00036 #include "util/base/fife_stdint.h"
00037 #include "vfs/vfssource.h"
00038 
00039 namespace FIFE {
00044     class ZipSource : public VFSSource {
00045         public:
00046             ZipSource(VFS* vfs, const std::string& zip_file);
00047             ~ZipSource();
00048 
00050             // thread-safe, and will probably break if called from multiple
00051             // threads at the same time.
00052             bool fileExists(const std::string& file) const;
00053             std::set<std::string> listFiles(const std::string& path) const;
00054             std::set<std::string> listDirectories(const std::string& path) const;
00055 
00056             virtual RawData* open(const std::string& path) const;
00057 
00058         private:
00059             struct s_data {
00060                     uint16_t comp;
00061                     uint32_t crc32;
00062                     std::string path;
00063                     unsigned int size_comp;
00064                     unsigned int size_real;
00065                     unsigned int offset;
00066                 };
00067 
00068             typedef std::map<std::string, s_data> type_files;
00069 
00070             RawData* m_zipfile;
00071             type_files m_files;
00072 
00073             void readIndex();
00074             bool readFileToIndex();
00075     };
00076 
00077 } //FIFE
00078 
00079 #endif