source: trunk/src/xmlpatterns/schema/qxsdstatemachinebuilder.cpp@ 729

Last change on this file since 729 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.

  • Property svn:eol-style set to native
File size: 10.1 KB
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1/****************************************************************************
2**
3** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
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38** $QT_END_LICENSE$
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40****************************************************************************/
41
42#include "qxsdstatemachinebuilder_p.h"
43
44#include "qxsdelement_p.h"
45#include "qxsdmodelgroup_p.h"
46#include "qxsdschemahelper_p.h"
47
48QT_BEGIN_NAMESPACE
49
50using namespace QPatternist;
51
52/*
53 * This methods takes a list of objects and returns a list of list
54 * of all combinations the objects can be ordered.
55 *
56 * e.g. input = [ 1, 2, 3 ]
57 * output = [
58 * [ 1, 2, 3 ],
59 * [ 1, 3, 2 ],
60 * [ 2, 1, 3 ],
61 * [ 2, 3, 1 ],
62 * [ 3, 1, 2 ],
63 * [ 3, 2, 1 ]
64 * ]
65 *
66 * The method is used to create all possible combinations for the particles
67 * in an <all> model group.
68 */
69template <typename T>
70QList< QList<T> > allCombinations(const QList<T> &input)
71{
72 if (input.count() == 1)
73 return (QList< QList<T> >() << input);
74
75 QList< QList<T> > result;
76 for (int i = 0; i < input.count(); ++i) {
77 QList<T> subList = input;
78 T value = subList.takeAt(i);
79
80 QList< QList<T> > subLists = allCombinations(subList);
81 for (int j = 0; j < subLists.count(); ++j) {
82 subLists[j].prepend(value);
83 }
84 result << subLists;
85 }
86
87 return result;
88}
89
90XsdStateMachineBuilder::XsdStateMachineBuilder(XsdStateMachine<XsdTerm::Ptr> *machine, const NamePool::Ptr &namePool, Mode mode)
91 : m_stateMachine(machine), m_namePool(namePool), m_mode(mode)
92{
93}
94
95XsdStateMachine<XsdTerm::Ptr>::StateId XsdStateMachineBuilder::reset()
96{
97 Q_ASSERT(m_stateMachine);
98
99 m_stateMachine->clear();
100
101 return m_stateMachine->addState(XsdStateMachine<XsdTerm::Ptr>::EndState);
102}
103
104XsdStateMachine<XsdTerm::Ptr>::StateId XsdStateMachineBuilder::addStartState(XsdStateMachine<XsdTerm::Ptr>::StateId state)
105{
106 const XsdStateMachine<XsdTerm::Ptr>::StateId startState = m_stateMachine->addState(XsdStateMachine<XsdTerm::Ptr>::StartState);