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/*
* Hash.h
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAD_COMMON_HASH_H_
#define MAD_COMMON_HASH_H_
#include "export.h"
#include <Core/Exception.h>
#include <map>
#include <string>
#include <vector>
#include <boost/algorithm/string/case_conv.hpp>
#include <boost/cstdint.hpp>
namespace Mad {
namespace Common {
class MAD_COMMON_EXPORT Hash {
private:
Hash();
class MAD_COMMON_EXPORT Hashes {
private:
std::map<Core::String, unsigned int> map;
std::vector<Core::String> list;
void addHash(const Core::String &name, unsigned id) {
Core::String lowerName = name;
lowerName.toLower();
map.insert(std::make_pair(lowerName, id));
list.push_back(name);
}
public:
const std::vector<Core::String>& getList() const {
return list;
}
const std::map<Core::String, unsigned int>& getMap() const {
return map;
}
Hashes();
};
static const Hashes hashes;
public:
static const std::vector<Core::String>& getHashList() {
return hashes.getList();
}
static bool isHashSupported(const Core::String &method) {
Core::String lowerMethod = method;
lowerMethod.toLower();
return (hashes.getMap().find(lowerMethod) != hashes.getMap().end());
}
static std::vector<boost::uint8_t> hash(const std::vector<boost::uint8_t> &in, unsigned int method) throw (Core::Exception);
static std::vector<boost::uint8_t> hash(const std::vector<boost::uint8_t> &in, const Core::String &method) throw (Core::Exception) {
Core::String lowerMethod = method;
lowerMethod.toLower();
std::map<Core::String, unsigned int>::const_iterator methodIt = hashes.getMap().find(lowerMethod);
if(methodIt == hashes.getMap().end())
throw(Core::Exception(Core::Exception::NOT_IMPLEMENTED));
return hash(in, methodIt->second);
}
static std::vector<boost::uint8_t> hash(const Core::String &in, unsigned int method) throw (Core::Exception) {
std::string str = in.toUTF8();
return hash(std::vector<boost::uint8_t>(str.begin(), str.end()), method);
}
static std::vector<boost::uint8_t> hash(const Core::String &in, const Core::String &method) throw (Core::Exception) {
std::string str = in.toUTF8();
return hash(std::vector<boost::uint8_t>(str.begin(), str.end()), method);
}
};
}
}
#endif /* MAD_COMMON_HASH_H_ */
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