Qt 4.8
qsinglecontainer.cpp
Go to the documentation of this file.
1 /****************************************************************************
2 **
3 ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
5 **
6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 **
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 **
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
36 **
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 
42 #include <QList>
43 
44 
45 #include "qsinglecontainer_p.h"
46 
48 
49 using namespace QPatternist;
50 
51 SingleContainer::SingleContainer(const Expression::Ptr &operand) : m_operand(operand)
52 {
53  Q_ASSERT(operand);
54 }
55 
57 {
58  Expression::List list;
59  list.append(m_operand);
60  return list;
61 }
62 
64 {
65  Q_ASSERT(ops.count() == 1);
66  m_operand = ops.first();
67 }
68 
70 {
71  rewrite(m_operand, m_operand->compress(context), context);
72 
73  return m_operand->isEvaluated();
74 }
75 
virtual bool compressOperands(const StaticContext::Ptr &)
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
int count(const T &t) const
Returns the number of occurrences of value in the list.
Definition: qlist.h:891
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
virtual Expression::List operands() const
SingleContainer(const Expression::Ptr &operand)
virtual Expression::Ptr compress(const StaticContext::Ptr &context)
void append(const T &t)
Inserts value at the end of the list.
Definition: qlist.h:507
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
static void rewrite(Expression::Ptr &old, const Expression::Ptr &New, const StaticContext::Ptr &context)
The namespace for the internal API of QtXmlPatterns.
virtual void setOperands(const Expression::List &operands)
T & first()
Returns a reference to the first item in the list.
Definition: qlist.h:282