source: trunk/src/xmlpatterns/functions/qpatternmatchingfns.cpp@ 81

Last change on this file since 81 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 7.6 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtXmlPatterns module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** 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 are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QStringList>
43
44#include "qboolean_p.h"
45#include "qcommonvalues_p.h"
46#include "qitemmappingiterator_p.h"
47#include "qpatternistlocale_p.h"
48#include "qatomicstring_p.h"
49
50#include "qpatternmatchingfns_p.h"
51
52QT_BEGIN_NAMESPACE
53
54using namespace QPatternist;
55
56MatchesFN::MatchesFN() : PatternPlatform(2)
57{
58}
59
60Item MatchesFN::evaluateSingleton(const DynamicContext::Ptr &context) const
61{
62 const QRegExp regexp(pattern(context));
63 QString input;
64
65 const Item arg(m_operands.first()->evaluateSingleton(context));
66 if(arg)
67 input = arg.stringValue();
68
69 return Boolean::fromValue(input.contains(regexp));
70}
71
72ReplaceFN::ReplaceFN() : PatternPlatform(3)
73{
74}
75
76Item ReplaceFN::evaluateSingleton(const DynamicContext::Ptr &context) const
77{
78 const QRegExp regexp(pattern(context));
79 QString input;
80
81 const Item arg(m_operands.first()->evaluateSingleton(context));
82 if(arg)
83 input = arg.stringValue();
84
85 const QString replacement(m_replacementString.isNull() ? parseReplacement(regexp.numCaptures(), context)
86 : m_replacementString);
87
88
89 return AtomicString::fromValue(input.replace(regexp, replacement));
90}
91
92QString ReplaceFN::errorAtEnd(const char ch)
93{
94 return QtXmlPatterns::tr("%1 must be followed by %2 or %3, not at "
95 "the end of the replacement string.")
96 .arg(formatKeyword(QLatin1Char(ch)))
97 .arg(formatKeyword(QLatin1Char('\\')))
98 .arg(formatKeyword(QLatin1Char('$')));
99}
100
101QString ReplaceFN::parseReplacement(const int,