aria2/src/Checksum.cc

89 lines
2.4 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 "Checksum.h"
#include "MessageDigest.h"
namespace aria2 {
Checksum::Checksum
(const std::string& hashType,
const std::string& digest)
: hashType_(hashType),
digest_(digest)
{}
Checksum::Checksum()
: hashType_("sha-1")
{}
Checksum::~Checksum() {}
bool Checksum::isEmpty() const
{
return digest_.empty();
}
void Checksum::setDigest(const std::string& digest)
{
digest_ = digest;
}
void Checksum::setHashType(const std::string& hashType)
{
hashType_ = hashType;
}
void Checksum::swap(Checksum& other)
{
using std::swap;
if(this != &other) {
swap(hashType_, other.hashType_);
swap(digest_, other.digest_);
}
}
void swap(Checksum& a, Checksum& b)
{
a.swap(b);
}
bool HashTypeStronger::operator()
(const Checksum& lhs, const Checksum& rhs) const
{
return MessageDigest::isStronger(lhs.getHashType(), rhs.getHashType());
}
} // namespace aria2