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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 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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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 <frans.englich@nokia.com> |
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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 <frans.englich@nokia.com> |
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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 <frans.englich@nokia.com> |
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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 <frans.englich@nokia.com> |
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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 <frans.englich@nokia.com> |
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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 <frans.englich@nokia.com> |
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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 <frans.englich@nokia.com> |
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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 <frans.englich@nokia.com> |
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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 |