aria2/src/MetalinkHelper.cc

76 lines
2.8 KiB
C++

/* <!-- 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 "MetalinkHelper.h"
#include "Option.h"
#include "MetalinkEntry.h"
#include "XML2SAXMetalinkProcessor.h"
#include "MetalinkParserStateMachine.h"
#include "Metalinker.h"
#include "prefs.h"
#include "DlAbortEx.h"
#include "BinaryStream.h"
MetalinkHelper::MetalinkHelper() {}
MetalinkHelper::~MetalinkHelper() {}
MetalinkEntries MetalinkHelper::parseAndQuery(const string& filename, const Option* option)
{
XML2SAXMetalinkProcessor proc;
MetalinkerHandle metalinker = proc.parseFile(filename);
return query(metalinker, option);
}
MetalinkEntries MetalinkHelper::parseAndQuery(const BinaryStreamHandle& binaryStream, const Option* option)
{
XML2SAXMetalinkProcessor proc;
MetalinkerHandle metalinker = proc.parseFromBinaryStream(binaryStream);
return query(metalinker, option);
}
MetalinkEntries MetalinkHelper::query(const MetalinkerHandle& metalinker, const Option* option)
{
if(metalinker->entries.empty()) {
throw new DlAbortEx("No file entry found. Probably, the metalink file is not configured properly or broken.");
}
MetalinkEntries entries =
metalinker->queryEntry(option->get(PREF_METALINK_VERSION),
option->get(PREF_METALINK_LANGUAGE),
option->get(PREF_METALINK_OS));
return entries;
}