aria2/src/metalink_helper.cc

125 lines
4.0 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 "metalink_helper.h"
#include "Option.h"
#include "MetalinkEntry.h"
#include "MetalinkParserStateMachine.h"
#include "Metalinker.h"
#include "MetalinkProcessor.h"
#include "prefs.h"
#include "DlAbortEx.h"
#include "BinaryStream.h"
#include "MetalinkMetaurl.h"
namespace aria2 {
namespace metalink {
namespace {
void query
(std::vector<SharedHandle<MetalinkEntry> >& result,
const SharedHandle<Metalinker>& metalinker,
const Option* option)
{
metalinker->queryEntry(result,
option->get(PREF_METALINK_VERSION),
option->get(PREF_METALINK_LANGUAGE),
option->get(PREF_METALINK_OS));
}
} // namespace
void parseAndQuery
(std::vector<SharedHandle<MetalinkEntry> >& result,
const std::string& filename,
const Option* option)
{
MetalinkProcessor proc;
SharedHandle<Metalinker> metalinker = proc.parseFile(filename);
query(result, metalinker, option);
}
void parseAndQuery
(std::vector<SharedHandle<MetalinkEntry> >& result,
const SharedHandle<BinaryStream>& binaryStream,
const Option* option)
{
MetalinkProcessor proc;
SharedHandle<Metalinker> metalinker =proc.parseFromBinaryStream(binaryStream);
query(result, metalinker, option);
}
void groupEntryByMetaurlName
(std::vector<
std::pair<std::string, std::vector<SharedHandle<MetalinkEntry> > > >& result,
const std::vector<SharedHandle<MetalinkEntry> >& entries)
{
for(std::vector<SharedHandle<MetalinkEntry> >::const_iterator eiter =
entries.begin(), eoi = entries.end(); eiter != eoi; ++eiter) {
if((*eiter)->metaurls.empty()) {
std::pair<std::string, std::vector<SharedHandle<MetalinkEntry> > > p;
p.second.push_back(*eiter);
result.push_back(p);
} else {
std::vector<
std::pair<std::string,
std::vector<SharedHandle<MetalinkEntry> > > >::iterator i =
result.begin();
if((*eiter)->metaurls[0]->name.empty() ||
!(*eiter)->sizeKnown) {
i = result.end();
}
for(; i != result.end(); ++i) {
if((*i).first == (*eiter)->metaurls[0]->url &&
!(*i).second[0]->metaurls[0]->name.empty()) {
(*i).second.push_back(*eiter);
break;
}
}
if(i == result.end()) {
std::pair<std::string, std::vector<SharedHandle<MetalinkEntry> > > p;
p.first = (*eiter)->metaurls[0]->url;
p.second.push_back(*eiter);
result.push_back(p);
}
}
}
}
} // namespace metalink
} // namespace aria2