scummvm/engines/mads/mps_installer.h

87 lines
2.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef MADS_MPS_INSTALLER_H
#define MADS_MPS_INSTALLER_H
#include "common/archive.h"
#include "common/ptr.h"
#include "common/stream.h"
#include "common/hashmap.h"
#include "common/hash-str.h"
namespace MADS {
class MpsInstaller : public Common::MemcachingCaseInsensitiveArchive {
public:
bool hasFile(const Common::Path &path) const override;
int listMembers(Common::ArchiveMemberList&) const override;
const Common::ArchiveMemberPtr getMember(const Common::Path &path) const override;
Common::SharedArchiveContents readContentsForPath(const Common::String& translatedPath) const override;
static MpsInstaller* open(const Common::Path& baseName);
private:
// Similar to FileDescriptionBin but in native-endian and native strings.
class FileDescriptor {
public:
// Public for hashmap
FileDescriptor() : _compressedSize(0),
_uncompressedSize(),
_compressionAlgo(0),
_offsetInVolume(0),
_volumeNumber(0) {}
protected:
FileDescriptor(const Common::String& name,
uint16 compression,
uint16 volumeNumber,
uint32 offsetInVolume,
uint32 compressedSize,
uint32 uncompressedSize) :
_fileName(name),
_compressionAlgo(compression),
_volumeNumber(volumeNumber),
_offsetInVolume(offsetInVolume),
_compressedSize(compressedSize),
_uncompressedSize(uncompressedSize) {}
Common::String _fileName;
uint _compressionAlgo;
uint _volumeNumber;
uint32 _offsetInVolume;
uint32 _compressedSize;
uint32 _uncompressedSize;
friend class MpsInstaller;
};
typedef Common::HashMap<Common::String, FileDescriptor, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileMap;
MpsInstaller(const FileMap& files,
const Common::Path& baseName) : _files(files), _baseName(baseName) {}
FileMap _files;
Common::Path _baseName;
};
}
#endif