1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** Contact: Qt Software Information ([email protected])
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5 | **
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6 | ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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7 | **
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8 | ** $QT_BEGIN_LICENSE:LGPL$
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9 | ** Commercial Usage
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10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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11 | ** accordance with the Qt Commercial License Agreement provided with the
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12 | ** Software or, alternatively, in accordance with the terms contained in
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13 | ** a written agreement between you and Nokia.
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14 | **
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15 | ** GNU Lesser General Public License Usage
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16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 | ** General Public License version 2.1 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 | ** packaging of this file. Please review the following information to
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20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 | **
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23 | ** In addition, as a special exception, Nokia gives you certain
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24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 | ** package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you are unsure which license is appropriate for your use, please
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37 | ** contact the sales department at [email protected].
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | //
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43 | // W A R N I N G
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44 | // -------------
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45 | //
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46 | // This file is not part of the Qt API. It exists purely as an
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47 | // implementation detail. This header file may change from version to
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48 | // version without notice, or even be removed.
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49 | //
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50 | // We mean it.
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51 |
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52 | #ifndef Patternist_ContextFNs_H
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53 | #define Patternist_ContextFNs_H
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54 |
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55 | #include "qfunctioncall_p.h"
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56 |
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57 | /**
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58 | * @file
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59 | * @short Contains classes implementing the functions found in
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60 | * <a href="http://www.w3.org/TR/xpath-functions/#context">XQuery 1.0 and
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61 | * XPath 2.0 Functions and Operators, 16 Context Functions</a>.
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62 | *
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63 | * @ingroup Patternist_functions
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64 | */
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65 |
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66 | QT_BEGIN_HEADER
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67 |
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68 | QT_BEGIN_NAMESPACE
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69 |
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70 | namespace QPatternist
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71 | {
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72 | /**
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73 | * @short Implements the function <tt>fn:position()</tt>.
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74 | *
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75 | * @see <a href="http://www.w3.org/TR/xpath-functions/#func-position">XQuery 1.0
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76 | * and XPath 2.0 Functions and Operators, 16.1 fn:position</a>
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77 | * @ingroup Patternist_functions
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78 | * @author Frans Englich <[email protected]>
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79 | */
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80 | class PositionFN : public FunctionCall
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81 | {
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82 | public:
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83 | virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
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84 | };
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85 |
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86 | /**
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87 | * @short Implements the function <tt>fn:last()</tt>.
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88 | *
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89 | * @see <a href="http://www.w3.org/TR/xpath-functions/#func-last">XQuery 1.0
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90 | * and XPath 2.0 Functions and Operators, 16.2 fn:last</a>
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91 | * @ingroup Patternist_functions
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92 | * @author Frans Englich <[email protected]>
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93 | */
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94 | class LastFN : public FunctionCall
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95 | {
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96 | public:
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97 | virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
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98 | };
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99 |
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100 | /**
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101 | * @short Implements the function <tt>fn:implicit-timezone()</tt>.
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102 | *
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103 | * @see <a href="http://www.w3.org/TR/xpath-functions/#func-implicit-timezone">XQuery 1.0
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104 | * and XPath 2.0 Functions and Operators, 16.6 fn:implicit-timezone</a>
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105 | * @ingroup Patternist_functions
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106 | * @author Frans Englich <[email protected]>
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107 | */
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108 | class ImplicitTimezoneFN : public FunctionCall
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109 | {
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110 | public:
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111 | virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
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112 | };
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113 |
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114 | /**
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115 | * @short Implements the function <tt>fn:current-dateTime()</tt>.
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116 | *
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117 | * @see <a href="http://www.w3.org/TR/xpath-functions/#func-current-dateTime">XQuery 1.0
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118 | * and XPath 2.0 Functions and Operators, 16.3 fn:current-dateTime</a>
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119 | * @ingroup Patternist_functions
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120 | * @author Frans Englich <[email protected]>
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121 | */
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122 | class CurrentDateTimeFN : public FunctionCall
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123 | {
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124 | public:
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125 | virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
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126 | };
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127 |
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128 | /**
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129 | * @short Implements the function <tt>fn:current-date()</tt>.
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130 | *
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131 | * @see <a href="http://www.w3.org/TR/xpath-functions/#func-current-date">XQuery 1.0
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132 | * and XPath 2.0 Functions and Operators, 16.4 fn:current-date</a>
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133 | * @ingroup Patternist_functions
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134 | * @author Frans Englich <[email protected]>
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135 | */
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136 | class CurrentDateFN : public FunctionCall
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137 | {
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138 | public:
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139 | virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
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140 | };
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141 |
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142 | /**
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143 | * @short Implements the function <tt>fn:current-time()</tt>.
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144 | *
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145 | * @see <a href="http://www.w3.org/TR/xpath-functions/#func-current-time">XQuery 1.0
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146 | * and XPath 2.0 Functions and Operators, 16.5 fn:current-date</a>
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147 | * @ingroup Patternist_functions
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148 | * @author Frans Englich <[email protected]>
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149 | */
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150 | class CurrentTimeFN : public FunctionCall
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151 | {
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152 | public:
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153 | virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
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154 | };
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155 |
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156 | /**
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157 | * @short Implements the function <tt>fn:default-collation()</tt>.
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158 | *
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159 | * This is done by rewriting to StaticContext::defaultCollation() at the typeCheck() stage.
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160 | *
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161 | * @see <a href="http://www.w3.org/TR/xpath-functions/#func-default-collation">XQuery 1.0
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162 | * and XPath 2.0 Functions and Operators, 16.7 fn:default-collation</a>
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163 | * @ingroup Patternist_functions
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164 | * @author Frans Englich <[email protected]>
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165 | */
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166 | class DefaultCollationFN : public FunctionCall
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167 | {
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168 | public:
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169 | virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
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170 | const SequenceType::Ptr &reqType);
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171 | };
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172 |
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173 | /**
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174 | * @short Implements the function <tt>fn:static-base-uri()</tt>.
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175 | *
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176 | * This is done by rewriting to StaticContext::baseURI() at the typeCheck() stage.
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177 | *
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178 | * @see <a href="http://www.w3.org/TR/xpath-functions/#func-static-base-uri">XQuery 1.0
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179 | * and XPath 2.0 Functions and Operators, 16.8 fn:static-base-uri</a>
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180 | * @ingroup Patternist_functions
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181 | * @author Frans Englich <[email protected]>
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182 | */
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183 | class StaticBaseURIFN : public FunctionCall
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184 | {
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185 | public:
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186 | virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
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187 | const SequenceType::Ptr &reqType);
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188 | };
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189 | }
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190 |
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191 | QT_END_NAMESPACE
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192 |
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193 | QT_END_HEADER
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194 |
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195 | #endif
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