U8SaveFile.h

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00001 /*
00002 Copyright (C) 2005 The Pentagram team
00003 
00004 This program is free software; you can redistribute it and/or
00005 modify it under the terms of the GNU General Public License
00006 as published by the Free Software Foundation; either version 2
00007 of the License, or (at your option) any later version.
00008 
00009 This program is distributed in the hope that it will be useful,
00010 but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 GNU General Public License for more details.
00013 
00014 You should have received a copy of the GNU General Public License
00015 along with this program; if not, write to the Free Software
00016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00017 */
00018 
00019 #ifndef U8SAVEFILE_H
00020 #define U8SAVEFILE_H
00021 
00022 #include "NamedArchiveFile.h"
00023 class IDataSource;
00024 
00025 #include <vector>
00026 
00027 class U8SaveFile : public NamedArchiveFile {
00028 public:
00029         ENABLE_RUNTIME_CLASSTYPE();
00030 
00033         explicit U8SaveFile(IDataSource* ds);
00034         virtual ~U8SaveFile();
00035 
00036         virtual bool exists(const std::string& name);
00037 
00038         virtual uint8* getObject(const std::string& name, uint32* size=0);
00039 
00040         virtual uint32 getSize(const std::string& name);
00041 
00042         virtual uint32 getCount() { return count; }
00043 
00044         static bool isU8SaveFile(IDataSource* ds);
00045 
00046 protected:
00047         IDataSource* ds;
00048         uint32 count;
00049 
00050         std::map<std::string, uint32> indices;
00051         std::vector<uint32> offsets;
00052         std::vector<uint32> sizes;
00053 
00054 private:
00055         bool readMetadata();
00056         bool findIndex(const std::string& name, uint32& index);
00057 };
00058 
00059 
00060 #endif

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