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update.cpp

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #include "common/stream.h"
00024 #include "common/archive.h"
00025 
00026 #include "engines/grim/update/packfile.h"
00027 #include "engines/grim/update/mscab.h"
00028 #include "engines/grim/update/lang_filter.h"
00029 #include "engines/grim/update/update.h"
00030 #include "engines/grim/grim.h"
00031 
00032 namespace Grim {
00033 
00034 Common::Archive *loadUpdateArchive(Common::SeekableReadStream *data) {
00035     Common::SeekableReadStream *updStream = new PackFile(data);
00036     Common::Archive *cab = new MsCabinet(updStream);
00037     Common::Archive *update = new LangFilter(cab, g_grim->getGameLanguage());
00038 
00039     Common::ArchiveMemberList list;
00040     if (update->listMembers(list) == 0) {
00041         delete update;
00042         return nullptr;
00043     } else
00044         return update;
00045 
00046 }
00047 
00048 } // end of namespace Grim


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