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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_Template_H |
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53 #define Patternist_Template_H |
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54 |
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55 #include <QSharedData> |
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56 #include <QVector> |
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57 |
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58 #include "qdynamiccontext_p.h" |
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59 #include "qexpression_p.h" |
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60 #include "qsourcelocationreflection_p.h" |
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61 #include "qtemplateinvoker_p.h" |
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62 #include "qvariabledeclaration_p.h" |
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63 |
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64 QT_BEGIN_HEADER |
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65 QT_BEGIN_NAMESPACE |
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66 |
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67 namespace QPatternist |
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68 { |
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69 /** |
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70 * @short Contains data related to a template. |
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71 * |
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72 * A Template is associated with a mode, by being housed |
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73 * inside a TemplateMode instance. |
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74 * |
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75 * Template has role very similar to UserFunction. |
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76 * |
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77 * @see TemplateMode |
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78 * @see TemplatePattern |
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79 * @see UserFunction |
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80 * @author Frans Englich <frans.englich@nokia.com> |
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81 * @ingroup Patternist_expressions |
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82 * @since 4.5 |
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83 */ |
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84 class Template : public QSharedData |
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85 , public SourceLocationReflection |
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86 |
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87 { |
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88 public: |
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89 typedef QExplicitlySharedDataPointer<Template> Ptr; |
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90 typedef QVector<Template::Ptr> Vector; |
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91 |
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92 inline Template(const ImportPrecedence ip, |
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93 const SequenceType::Ptr &reqType) : importPrecedence(ip) |
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94 , m_reqType(reqType) |
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95 { |
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96 } |
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97 |
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98 Expression::Ptr body; |
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99 |
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100 /** |
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101 * Returns @c this. |
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102 */ |
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103 virtual const SourceLocationReflection* actualReflection() const; |
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104 |
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105 const ImportPrecedence importPrecedence; |
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106 |
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107 VariableDeclaration::List templateParameters; |
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108 |
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109 /** |
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110 * If @p isCallTemplate, the caller is @c xsl:call-template, as opposed |
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111 * to for instance @c xsl:apply-templates. This affects error |
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112 * reporting. |
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113 */ |
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114 DynamicContext::Ptr createContext(const TemplateInvoker *const invoker, |
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115 const DynamicContext::Ptr &context, |
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116 const bool isCallTemplate) const; |
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117 |
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118 /** |
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119 * Since we have our template parameters in templateParameters, we need |
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120 * this separate step to do the regular phases: |
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121 * Expression::typeCheck(), and Expression::compress(). |
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122 */ |
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123 void compileParameters(const StaticContext::Ptr &context); |
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124 |
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125 /** |
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126 * A value which takes into account the body and its template |
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127 * parameters. |
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128 */ |
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129 Expression::Properties properties() const; |
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130 |
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131 Expression::Properties dependencies() const; |
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132 |
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133 static void raiseXTSE0680(const ReportContext::Ptr &context, |
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134 const QXmlName &name, |
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135 const SourceLocationReflection *const reflection); |
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136 |
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137 private: |
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138 DynamicContext::TemplateParameterHash parametersAsHash() const; |
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139 const SequenceType::Ptr m_reqType; |
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140 }; |
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141 } |
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142 |
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143 QT_END_NAMESPACE |
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144 QT_END_HEADER |
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145 |
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146 #endif |