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/**
* @file
* @author 2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* 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.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#include <sstream>
#include <boost/uuid/uuid_io.hpp>
#include <boost/uuid/random_generator.hpp>
#include <mutex>
#include "UUID.h"
namespace uscxml {
// hide from public header
boost::uuids::random_generator uuidGen;
std::mutex uuidMutex;
std::string UUID::getUUID() {
// boost.random objects are not guaranteed to be thread-safe
// see issue 131
std::lock_guard<std::mutex> lock(uuidMutex);
boost::uuids::uuid uuid = uuidGen();
std::ostringstream os;
os << uuid;
return os.str();
}
bool UUID::isUUID(const std::string& uuid) {
if (uuid.size() != 36)
return false;
if (uuid[8] != '-' || uuid[13] != '-' || uuid[18] != '-' || uuid[23] != '-')
return false;
for (size_t i = 0; i < 36; i++) {
if (i == 8 || i == 13 || i == 18 || i ==23)
continue;
char c = uuid[i];
if (c == 'a' ||
c == 'b' ||
c == 'c' ||
c == 'd' ||
c == 'e' ||
c == 'f' ||
c == '0' ||
c == '1' ||
c == '2' ||
c == '3' ||
c == '4' ||
c == '5' ||
c == '6' ||
c == '7' ||
c == '8' ||
c == '9') {
continue;
} else {
return false;
}
}
return true;
}
}
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