aria2/src/MetalinkParserStateImpl.cc

102 lines
3.1 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2010 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 "MetalinkParserStateImpl.h"
#include <cstring>
#include "MetalinkParserStateV3Impl.h"
#include "MetalinkParserStateV4Impl.h"
#include "MetalinkParserStateMachine.h"
#include "XmlAttr.h"
namespace aria2 {
namespace {
class FindAttr {
private:
const char* localname_;
const char* nsUri_;
public:
FindAttr(const char* localname, const char* nsUri)
: localname_(localname),
nsUri_(nsUri)
{}
bool operator()(const XmlAttr& attr) const
{
return strcmp(attr.localname, localname_) == 0 &&
(attr.nsUri == 0 || strcmp(attr.nsUri, nsUri_) == 0);
}
};
} // namespace
std::vector<XmlAttr>::const_iterator findAttr
(const std::vector<XmlAttr>& attrs,
const char* localname,
const char* nsUri)
{
return std::find_if(attrs.begin(), attrs.end(), FindAttr(localname, nsUri));
}
void InitialMetalinkParserState::beginElement
(MetalinkParserStateMachine* psm,
const char* localname,
const char* prefix,
const char* nsUri,
const std::vector<XmlAttr>& attrs)
{
if(!nsUri || strcmp(localname, "metalink") != 0) {
psm->setSkipTagState();
} else if(strcmp(nsUri, METALINK4_NAMESPACE_URI) == 0) {
psm->setMetalinkStateV4();
} else if(strcmp(nsUri, METALINK3_NAMESPACE_URI) == 0) {
psm->setMetalinkState();
} else {
psm->setSkipTagState();
}
}
void SkipTagMetalinkParserState::beginElement
(MetalinkParserStateMachine* psm,
const char* localname,
const char* prefix,
const char* nsUri,
const std::vector<XmlAttr>& attrs)
{
psm->setSkipTagState();
}
} // namespace aria2