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/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef KYRA_RESOURCE_INTERN_H
#define KYRA_RESOURCE_INTERN_H
#include "common/archive.h"
#include "common/hash-str.h"
#include "common/hashmap.h"
#include "common/str.h"
#include "common/list.h"
namespace Kyra {
class Resource;
class PlainArchive : public Common::Archive {
public:
struct Entry {
Entry() : offset(0), size(0) {}
Entry(uint32 o, uint32 s) : offset(o), size(s) {}
uint32 offset;
uint32 size;
};
PlainArchive(Common::SharedPtr<Common::ArchiveMember> file);
void addFileEntry(const Common::String &name, const Entry entry);
Entry getFileEntry(const Common::String &name) const;
// Common::Archive API implementation
bool hasFile(const Common::String &name);
int listMembers(Common::ArchiveMemberList &list);
Common::ArchiveMemberPtr getMember(const Common::String &name);
Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const;
private:
typedef Common::HashMap<Common::String, Entry, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileMap;
Common::SharedPtr<Common::ArchiveMember> _file;
FileMap _files;
};
class CachedArchive : public Common::Archive {
public:
struct InputEntry {
Common::String name;
byte *data;
uint32 size;
};
typedef Common::List<InputEntry> FileInputList;
CachedArchive(const FileInputList &files);
~CachedArchive();
bool hasFile(const Common::String &name);
int listMembers(Common::ArchiveMemberList &list);
Common::ArchiveMemberPtr getMember(const Common::String &name);
Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const;
private:
struct Entry {
byte *data;
uint32 size;
};
typedef Common::HashMap<Common::String, Entry, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileMap;
FileMap _files;
};
class ResArchiveLoader {
public:
virtual ~ResArchiveLoader() {}
virtual bool checkFilename(Common::String filename) const = 0;
virtual bool isLoadable(const Common::String &filename, Common::SeekableReadStream &stream) const = 0;
virtual Common::Archive *load(Common::SharedPtr<Common::ArchiveMember> file, Common::SeekableReadStream &stream) const = 0;
};
class ResLoaderPak : public ResArchiveLoader {
public:
bool checkFilename(Common::String filename) const;
bool isLoadable(const Common::String &filename, Common::SeekableReadStream &stream) const;
Common::Archive *load(Common::SharedPtr<Common::ArchiveMember> file, Common::SeekableReadStream &stream) const;
};
class ResLoaderInsMalcolm : public ResArchiveLoader {
public:
bool checkFilename(Common::String filename) const;
bool isLoadable(const Common::String &filename, Common::SeekableReadStream &stream) const;
Common::Archive *load(Common::SharedPtr<Common::ArchiveMember> file, Common::SeekableReadStream &stream) const;
};
class ResLoaderTlk : public ResArchiveLoader {
public:
bool checkFilename(Common::String filename) const;
bool isLoadable(const Common::String &filename, Common::SeekableReadStream &stream) const;
Common::Archive *load(Common::SharedPtr<Common::ArchiveMember> file, Common::SeekableReadStream &stream) const;
};
class InstallerLoader {
public:
static Common::Archive *load(Resource *owner, const Common::String &filename, const Common::String &extension, const uint8 offset);
};
} // End of namespace Kyra
#endif
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