summaryrefslogtreecommitdiffstats
path: root/src/uscxml/util/UUID.cpp
blob: 6f7cf96d2dd3fe9c002d10427e832c2a4aabbd91 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
/**
 *  @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 "UUID.h"

namespace uscxml {

// hide from public header
boost::uuids::random_generator uuidGen;

std::string UUID::getUUID() {
	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;
}

}