herffile.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef AURORA_HERFFILE_H
#define AURORA_HERFFILE_H

#include <vector>
#include <map>

#include "src/common/types.h"
#include "src/common/scopedptr.h"
#include "src/common/ustring.h"

#include "src/aurora/types.h"
#include "src/aurora/archive.h"

namespace Common {
    class SeekableReadStream;
}

namespace Aurora {

class HERFFile : public Archive {
public:
    HERFFile(Common::SeekableReadStream *herf);
    ~HERFFile();

    const ResourceList &getResources() const;

    uint32 getResourceSize(uint32 index) const;

    Common::SeekableReadStream *getResource(uint32 index, bool tryNoCopy = false) const;

    Common::HashAlgo getNameHashAlgo() const;

private:
    struct IResource {
        uint32 offset;   
        uint32 size;     
    };

    typedef std::vector<IResource> IResourceList;

    Common::ScopedPtr<Common::SeekableReadStream> _herf;

    ResourceList _resources;

    IResourceList _iResources;

    uint32 _dictOffset; 
    uint32 _dictSize;   

    void load(Common::SeekableReadStream &herf);
    void searchDictionary(Common::SeekableReadStream &herf, uint32 resCount);
    void readDictionary(Common::SeekableReadStream &herf, std::map<uint32, Common::UString> &dict);
    void readResList(Common::SeekableReadStream &herf);

    void readNames();

    const IResource &getIResource(uint32 index) const;
};

} // End of namespace Aurora

#endif // AURORA_HERFFILE_H