FIFE 2008.0
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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 // Standard C++ library includes 00023 #include <iostream> 00024 00025 // 3rd party library includes 00026 00027 // FIFE includes 00028 // These includes are split up in two parts, separated by one empty line 00029 // First block: files included from the FIFE root src directory 00030 // Second block: files included from the same folder 00031 #include "util/base/exception.h" 00032 #include "vfs/vfs.h" 00033 00034 #include "zipprovider.h" 00035 #include "zipsource.h" 00036 00037 namespace FIFE { 00038 bool ZipProvider::isReadable(const std::string& file) const { 00039 // File name must have a .zip extension: 00040 // TODO: Case sensitive? 00041 if (file.find(".zip") == std::string::npos) 00042 return false; 00043 00044 // File should exist: 00045 if (!getVFS()->exists(file)) 00046 return false; 00047 00048 // File should start with the bytes "PK": 00049 // TODO: ... 00050 00051 return true; 00052 } 00053 00054 FIFE::VFSSource* ZipProvider::createSource(const std::string& file) const { 00055 if (isReadable(file)) 00056 return new ZipSource(getVFS(), file); 00057 else 00058 throw Exception("File " + file + " is not readable."); 00059 } 00060 }