source: branches/4.5.1/src/xmlpatterns/functions/qpatternmatchingfns_p.h@ 1168

Last change on this file since 1168 was 2, checked in by Dmitry A. Kuminov, 16 years ago

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

File size: 4.5 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//
43// W A R N I N G
44// -------------
45//
46// This file is not part of the Qt API. It exists purely as an
47// implementation detail. This header file may change from version to
48// version without notice, or even be removed.
49//
50// We mean it.
51
52#ifndef Patternist_PatternMatchingFNs_H
53#define Patternist_PatternMatchingFNs_H
54
55#include "qpatternplatform_p.h"
56
57/**
58 * @file
59 * @short Contains classes implementing the functions found in
60 * <a href="http://www.w3.org/TR/xpath-functions/#string.match">XQuery 1.0 and
61 * XPath 2.0 Functions and Operators, 7.6 AtomicString Functions that Use Pattern Matching</a>.
62 *
63 * @ingroup Patternist_functions
64 */
65
66QT_BEGIN_HEADER
67
68QT_BEGIN_NAMESPACE
69
70namespace QPatternist
71{
72 /**
73 * @short Implements the function <tt>fn:matches()</tt>.
74 *
75 * @ingroup Patternist_functions
76 * @author Frans Englich <[email protected]>
77 */
78 class MatchesFN : public PatternPlatform
79 {
80 public:
81 MatchesFN();
82 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
83 };
84
85 /**
86 * @short Implements the function <tt>fn:replace()</tt>.
87 *
88 * @ingroup Patternist_functions
89 * @author Frans Englich <[email protected]>
90 */
91 class ReplaceFN : public PatternPlatform
92 {
93 public:
94 ReplaceFN();
95 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
96 /**
97 * Overridden to attempt to pre-compile the replacement string.
98 */
99 virtual Expression::Ptr compress(const StaticContext::Ptr &context);
100
101 private:
102 /**
103 * @short Centralizes the translation string.
104 */
105 static inline QString errorAtEnd(const char ch);
106
107 /**
108 * Reads the string in the third argument and converts it to a a QRegExp compatible
109 * replacement string, containing sub-group references and so forth.
110 */
111 QString parseReplacement(const int captureCount,
112 const DynamicContext::Ptr &context) const;
113
114 QString m_replacementString;
115 };
116
117 /**
118 * @short Implements the function <tt>fn:tokenize()</tt>.
119 *
120 * @ingroup Patternist_functions
121 * @author Frans Englich <[email protected]>
122 */
123 class TokenizeFN : public PatternPlatform
124 {
125 public:
126 TokenizeFN();
127 inline Item mapToItem(const QString &subject, const DynamicContext::Ptr &) const;
128 virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const;
129
130 private:
131 typedef QExplicitlySharedDataPointer<const TokenizeFN> ConstPtr;
132 };
133}
134
135QT_END_NAMESPACE
136
137QT_END_HEADER
138
139#endif
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