/* <!-- 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 --> */
#include "VerificationMetalinkParserState.h"
#include "MetalinkParserStateMachine.h"
#include "DlAbortEx.h"
#include "Util.h"

void VerificationMetalinkParserState::beginElement(MetalinkParserStateMachine* stm,
						   const string& name,
						   const map<string, string>& attrs)
{
  if(name == "hash") {
    stm->setHashState();
    map<string, string>::const_iterator itr = attrs.find("type");
    if(itr == attrs.end()) {
      return;
    } else {
      string type = (*itr).second;
      stm->newChecksumTransaction();
      stm->setTypeOfChecksum(type);
    }
  } else if(name == "pieces") {
    stm->setPiecesState();
    try {
      int32_t length;
      {
	map<string, string>::const_iterator itr = attrs.find("length");
	if(itr == attrs.end()) {
	  return;
	} else {
	  length = Util::parseInt((*itr).second);
	}
      }
      string type;
      {
	map<string, string>::const_iterator itr = attrs.find("type");
	if(itr == attrs.end()) {
	  return;
	} else {
	  type = (*itr).second;
	}
      }
      stm->newChunkChecksumTransaction();
      stm->setLengthOfChunkChecksum(length);
      stm->setTypeOfChunkChecksum(type);
    } catch(RecoverableException* e) {
      delete e;
      stm->cancelChunkChecksumTransaction();
    }
  } else {
    stm->setSkipTagState(this);
  }
}

void VerificationMetalinkParserState::endElement(MetalinkParserStateMachine* stm,
						 const string& name,
						 const string& characters)
{
  stm->setFileState();
}