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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_NCNameConstructor_H |
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53 #define Patternist_NCNameConstructor_H |
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54 |
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55 #include "qsinglecontainer_p.h" |
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56 #include "qpatternistlocale_p.h" |
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57 #include "private/qxmlutils_p.h" |
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58 |
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59 QT_BEGIN_HEADER |
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60 |
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61 QT_BEGIN_NAMESPACE |
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62 |
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63 namespace QPatternist |
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64 { |
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65 /** |
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66 * @short Ensures the lexical space of the string value of the Item returned |
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67 * from its child Expression is an NCName. |
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68 * |
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69 * @note It doesn't actually construct an @c xs:NCName. It only ensures the lexical |
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70 * space is an @c NCName. The atomic value can be of any string type, such as @c xs:untypedAtomic |
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71 * of @c xs:string. |
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72 * |
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73 * @author Frans Englich <frans.englich@nokia.com> |
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74 * @ingroup Patternist_expressions |
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75 */ |
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76 class NCNameConstructor : public SingleContainer |
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77 { |
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78 public: |
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79 |
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80 NCNameConstructor(const Expression::Ptr &source); |
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81 |
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82 virtual Item evaluateSingleton(const DynamicContext::Ptr &) const; |
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83 |
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84 virtual SequenceType::List expectedOperandTypes() const; |
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85 |
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86 virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context, |
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87 const SequenceType::Ptr &reqType); |
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88 |
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89 virtual SequenceType::Ptr staticType() const; |
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90 |
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91 virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const; |
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92 |
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93 /** |
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94 * Validates @p lexicalNCName as a processing instruction's target |
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95 * name, and raise an error if it's not an @c NCName. |
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96 */ |
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97 template<typename TReportContext, |
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98 const ReportContext::ErrorCode NameIsXML, |
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99 const ReportContext::ErrorCode LexicallyInvalid> |
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100 static inline |
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101 void validateTargetName(const QString &lexicalNCName, |
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102 const TReportContext &context, |
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103 const SourceLocationReflection *const r); |
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104 private: |
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105 |
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106 /** |
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107 * This translation string is put here in order to avoid duplicate messages and |
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108 * hence reduce work for translators and increase consistency. |
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109 */ |
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110 static |
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111 const QString nameIsXML(const QString &lexTarget) |
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112 { |
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113 return QtXmlPatterns::tr("The target name in a processing instruction " |
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114 "cannot be %1 in any combination of upper " |
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115 "and lower case. Therefore, is %2 invalid.") |
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116 .arg(formatKeyword("xml"), formatKeyword(lexTarget)); |
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117 } |
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118 }; |
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119 |
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120 template<typename TReportContext, |
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121 const ReportContext::ErrorCode NameIsXML, |
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122 const ReportContext::ErrorCode LexicallyInvalid> |
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123 inline |
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124 void NCNameConstructor::validateTargetName(const QString &lexicalTarget, |
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125 const TReportContext &context, |
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126 const SourceLocationReflection *const r) |
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127 { |
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128 Q_ASSERT(context); |
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129 |
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130 if(QXmlUtils::isNCName(lexicalTarget)) |
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131 { |
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132 if(QString::compare(QLatin1String("xml"), lexicalTarget, Qt::CaseInsensitive) == 0) |
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133 context->error(nameIsXML(lexicalTarget), NameIsXML, r); |
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134 } |
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135 else |
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136 { |
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137 context->error(QtXmlPatterns::tr("%1 is not a valid target name in " |
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138 "a processing instruction. It " |
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139 "must be a %2 value, e.g. %3.") |
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140 .arg(formatKeyword(lexicalTarget)) |
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141 .arg(formatType(context->namePool(), |
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142 BuiltinTypes::xsNCName)) |
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143 .arg(formatKeyword("my-name.123")), |
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144 LexicallyInvalid, |
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145 r); |
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146 } |
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147 } |
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148 } |
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149 |
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150 QT_END_NAMESPACE |
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151 |
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152 QT_END_HEADER |
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153 |
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154 #endif |