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111 lines
2.6 KiB
C++
111 lines
2.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef GOB_DATAIO_H
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#define GOB_DATAIO_H
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#include "common/endian.h"
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#include "common/str.h"
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#include "common/hashmap.h"
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#include "common/array.h"
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#include "common/file.h"
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namespace Common {
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class SeekableReadStream;
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}
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namespace Gob {
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struct ArchiveInfo {
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Common::String name;
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bool base;
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uint32 fileCount;
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};
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class DataIO {
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public:
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DataIO();
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~DataIO();
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void getArchiveInfo(Common::Array<ArchiveInfo> &info) const;
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bool openArchive(Common::String name, bool base);
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bool closeArchive(bool base);
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bool hasFile(const Common::String &name);
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int32 fileSize(const Common::String &name);
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Common::SeekableReadStream *getFile(const Common::String &name);
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byte *getFile(const Common::String &name, int32 &size);
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static byte *unpack(const byte *src, uint32 srcSize, int32 &size);
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static Common::SeekableReadStream *unpack(Common::SeekableReadStream &src);
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private:
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static const int kMaxArchives = 8;
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struct Archive;
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struct File {
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Common::String name;
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uint32 size;
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uint32 offset;
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bool packed;
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Archive *archive;
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File();
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File(const Common::String &n, uint32 s, uint32 o, bool p, Archive &a);
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};
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typedef Common::HashMap<Common::String, File, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileMap;
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struct Archive {
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Common::String name;
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Common::File file;
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FileMap files;
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bool base;
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};
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Common::Array<Archive *> _archives;
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Archive *openArchive(const Common::String &name);
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bool closeArchive(Archive &archive);
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File *findFile(const Common::String &name);
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Common::SeekableReadStream *getFile(File &file);
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byte *getFile(File &file, int32 &size);
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static void unpack(Common::SeekableReadStream &src, byte *dest, uint32 size);
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};
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} // End of namespace Gob
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#endif // GOB_DATAIO_H
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