1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 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 The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 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 66 QT_BEGIN_HEADER 67 68 QT_BEGIN_NAMESPACE 69 70 namespace QPatternist 71 { 72 /** 73 * @short Implements the function <tt>fn:matches()</tt>. 74 * 75 * @ingroup Patternist_functions 76 * @author Frans Englich <frans.englich@nokia.com> 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 <frans.englich@nokia.com> 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 <frans.englich@nokia.com> 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 } 134 135 QT_END_NAMESPACE 136 137 QT_END_HEADER 138 139 #endif 140