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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2008 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_XsdAttributeReference_H |
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53 #define Patternist_XsdAttributeReference_H |
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54 |
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55 #include "qxsdattributeuse_p.h" |
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56 |
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57 #include <QtXmlPatterns/QSourceLocation> |
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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 A helper class for attribute reference resolving. |
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67 * |
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68 * For easy resolving of attribute references, we have this class |
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69 * that can be used as a place holder for the real attribute use |
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70 * object it is referring to. |
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71 * So whenever the parser detects an attribute reference, it creates |
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72 * a XsdAttributeReference and returns it instead of the XsdAttributeUse. |
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73 * During a later phase, the resolver will look for all XsdAttributeReferences |
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74 * in the schema and will replace them with their referring XsdAttributeUse |
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75 * objects. |
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76 * |
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77 * @ingroup Patternist_schema |
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78 * @author Tobias Koenig <tobias.koenig@nokia.com> |
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79 */ |
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80 class XsdAttributeReference : public XsdAttributeUse |
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81 { |
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82 public: |
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83 typedef QExplicitlySharedDataPointer<XsdAttributeReference> Ptr; |
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84 |
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85 /** |
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86 * Describes the type of the attribute reference. |
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87 */ |
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88 enum Type |
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89 { |
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90 AttributeUse, ///< The reference points to an attribute use. |
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91 AttributeGroup ///< The reference points to an attribute group. |
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92 }; |
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93 |
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94 /** |
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95 * Always returns false, used to avoid dynamic casts. |
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96 */ |
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97 virtual bool isAttributeUse() const; |
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98 |
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99 /** |
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100 * Always returns true, used to avoid dynamic casts. |
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101 */ |
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102 virtual bool isReference() const; |
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103 |
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104 /** |
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105 * Sets the @p type of the attribute reference. |
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106 */ |
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107 void setType(Type type); |
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108 |
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109 /** |
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110 * Returns the type of the attribute reference. |
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111 */ |
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112 Type type() const; |
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113 |
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114 /** |
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115 * Sets the @p name of the attribute or attribute group the |
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116 * attribute reference refers to. |
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117 */ |
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118 void setReferenceName(const QXmlName &name); |
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119 |
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120 /** |
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121 * Returns the name of the attribute or attribute group the |
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122 * attribute reference refers to. |
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123 */ |
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124 QXmlName referenceName() const; |
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125 |
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126 /** |
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127 * Sets the source @p location where the reference is located. |
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128 */ |
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129 void setSourceLocation(const QSourceLocation &location); |
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130 |
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131 /** |
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132 * Returns the source location where the reference is located. |
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133 */ |
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134 QSourceLocation sourceLocation() const; |
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135 |
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136 private: |
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137 Type m_type; |
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138 QXmlName m_referenceName; |
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139 QSourceLocation m_sourceLocation; |
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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 |
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145 QT_END_HEADER |
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146 |
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147 #endif |