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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.
*
*/
#ifndef SHERLOCK_RESOURCES_H
#define SHERLOCK_RESOURCES_H
#include "common/array.h"
#include "common/file.h"
#include "common/hashmap.h"
#include "common/hash-str.h"
#include "common/str.h"
#include "common/stream.h"
namespace Sherlock {
typedef Common::Array<byte> CacheEntry;
typedef Common::HashMap<Common::String, CacheEntry, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> CacheHash;
struct LibraryEntry {
uint32 _offset, _size;
int _index;
LibraryEntry() : _index(0), _offset(0), _size(0) {}
LibraryEntry(int index, uint32 offset, uint32 size) :
_index(index), _offset(offset), _size(size) {}
};
typedef Common::HashMap<Common::String, LibraryEntry, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> LibraryIndex;
typedef Common::HashMap<Common::String, LibraryIndex, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> LibraryIndexes;
class SherlockEngine;
class Cache {
private:
CacheHash _resources;
public:
Cache();
bool isCached(const Common::String &filename) const;
void load(const Common::String &name);
Common::SeekableReadStream *get(const Common::String &filename) const;
};
class Resources {
private:
Cache _cache;
LibraryIndexes _indexes;
int _resourceIndex;
void loadLibraryIndex(const Common::String &libFilename, Common::SeekableReadStream *stream);
public:
Resources();
void addToCache(const Common::String &filename);
Common::SeekableReadStream *load(const Common::String &filename);
Common::SeekableReadStream *load(const Common::String &filename, const Common::String &libraryFile);
int resourceIndex() const;
};
} // End of namespace Sherlock
#endif
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