1 /*
2 * Copyright (c) 2008 Cyrille Berger <cberger@cberger.net>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #include "KoUniqueNumberForIdServer.h"
21
22 #include <QHash>
23 #include <QGlobalStatic>
24
25 Q_GLOBAL_STATIC(KoUniqueNumberForIdServer, s_instance)
26
27 struct Q_DECL_HIDDEN KoUniqueNumberForIdServer::Private {
PrivateKoUniqueNumberForIdServer::Private28 Private()
29 : currentNumber(0) {}
30
31 QHash<QString, quint32 > id2Number;
32 quint32 currentNumber;
33 };
34
KoUniqueNumberForIdServer()35 KoUniqueNumberForIdServer::KoUniqueNumberForIdServer()
36 : d(new Private)
37 {
38 }
39
~KoUniqueNumberForIdServer()40 KoUniqueNumberForIdServer::~KoUniqueNumberForIdServer()
41 {
42 delete d;
43 }
44
instance()45 KoUniqueNumberForIdServer* KoUniqueNumberForIdServer::instance()
46 {
47 return s_instance;
48 }
49
numberForId(const QString & _id)50 quint32 KoUniqueNumberForIdServer::numberForId(const QString& _id)
51 {
52 QHash<QString, quint32>::iterator it = d->id2Number.find(_id);
53 if (it != d->id2Number.end()) {
54 return it.value();
55 }
56 quint32 number = ++d->currentNumber;
57 d->id2Number[ _id ] = number;
58 return number;
59 }
60