/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2006 Tatsuhiro Tsujikawa
 *
 * 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
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the
 * OpenSSL library under certain conditions as described in each
 * individual source file, and distribute linked combinations
 * including the two.
 * You must obey the GNU General Public License in all respects
 * for all of the code used other than OpenSSL.  If you modify
 * file(s) with this exception, you may extend this exception to your
 * version of the file(s), but you are not obligated to do so.  If you
 * do not wish to do so, delete this exception statement from your
 * version.  If you delete this exception statement from all source
 * files in the program, then also delete it here.
 */
/* copyright --> */
#ifndef _D_METALINK_PARSER_CONTROLLER_H_
#define _D_METALINK_PARSER_CONTROLLER_H_

#include "common.h"

class Metalinker;
typedef SharedHandle<Metalinker> MetalinkerHandle;
class MetalinkEntry;
typedef SharedHandle<MetalinkEntry> MetalinkEntryHandle;
class MetalinkResource;
typedef SharedHandle<MetalinkResource> MetalinkResourceHandle;

#ifdef ENABLE_MESSAGE_DIGEST
class Checksum;
typedef SharedHandle<Checksum> ChecksumHandle;
class ChunkChecksum;
typedef SharedHandle<ChunkChecksum> ChunkChecksumHandle;
#endif // ENABLE_MESSAGE_DIGEST

class MetalinkParserController {
private:
  MetalinkerHandle _metalinker;

  MetalinkEntryHandle _tEntry;

  MetalinkResourceHandle _tResource;

#ifdef ENABLE_MESSAGE_DIGEST
  ChecksumHandle _tChecksum;

  ChunkChecksumHandle _tChunkChecksum;

  deque<pair<int32_t, string> > _tempChunkChecksums;
  
  pair<int32_t, string> _tempHashPair;
#endif // ENABLE_MESSAGE_DIGEST

public:
  MetalinkParserController();

  ~MetalinkParserController();

  MetalinkerHandle getResult() const;

  void newEntryTransaction();

  void setFileNameOfEntry(const string& filename);

  void setFileLengthOfEntry(int64_t length);

  void setVersionOfEntry(const string& version);

  void setLanguageOfEntry(const string& language);

  void setOSOfEntry(const string& os);

  void setMaxConnectionsOfEntry(int32_t maxConnections);

  void commitEntryTransaction();

  void cancelEntryTransaction();

  void newResourceTransaction();

  void setURLOfResource(const string& url);

  void setTypeOfResource(const string& type);

  void setLocationOfResource(const string& location);

  void setPreferenceOfResource(int32_t preference);

  void setMaxConnectionsOfResource(int32_t maxConnections);

  void commitResourceTransaction();

  void cancelResourceTransaction();

  void newChecksumTransaction();

  void setTypeOfChecksum(const string& type);

  void setHashOfChecksum(const string& md);

  void commitChecksumTransaction();

  void cancelChecksumTransaction();
  
  void newChunkChecksumTransaction();

  void setTypeOfChunkChecksum(const string& type);

  void setLengthOfChunkChecksum(int32_t length);

  void addHashOfChunkChecksum(int32_t order, const string& md);

  void createNewHashOfChunkChecksum(int32_t order);

  void setMessageDigestOfChunkChecksum(const string& md);

  void addHashOfChunkChecksum();

  void commitChunkChecksumTransaction();

  void cancelChunkChecksumTransaction();
};

#endif // _D_METALINK_PARSER_CONTROLLER_H_