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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_XsdSchemaResolver_H |
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53 #define Patternist_XsdSchemaResolver_H |
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54 |
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55 #include "qnamespacesupport_p.h" |
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56 #include "qschematype_p.h" |
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57 #include "qschematypefactory_p.h" |
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58 #include "qxsdalternative_p.h" |
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59 #include "qxsdattribute_p.h" |
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60 #include "qxsdattributegroup_p.h" |
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61 #include "qxsdelement_p.h" |
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62 #include "qxsdmodelgroup_p.h" |
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63 #include "qxsdnotation_p.h" |
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64 #include "qxsdreference_p.h" |
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65 #include "qxsdschema_p.h" |
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66 #include "qxsdschemachecker_p.h" |
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67 #include "qxsdsimpletype_p.h" |
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68 |
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69 #include <QtCore/QExplicitlySharedDataPointer> |
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70 |
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71 QT_BEGIN_HEADER |
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72 |
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73 QT_BEGIN_NAMESPACE |
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74 |
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75 namespace QPatternist |
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76 { |
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77 class XsdSchemaContext; |
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78 class XsdSchemaParserContext; |
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79 |
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80 /** |
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81 * @short Encapsulates the resolving of type/element references in a schema after parsing has finished. |
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82 * |
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83 * This class collects task for resolving types or element references. After the parsing has finished, |
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84 * one can start the resolve process by calling resolve(). |
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85 * |
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86 * @ingroup Patternist_schema |
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87 * @author Tobias Koenig <tobias.koenig@nokia.com> |
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88 */ |
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89 class XsdSchemaResolver : public QSharedData |
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90 { |
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91 public: |
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92 typedef QExplicitlySharedDataPointer<XsdSchemaResolver> Ptr; |
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93 |
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94 /** |
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95 * Creates a new schema resolver. |
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96 * |
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97 * @param context The schema context used for error reporting etc.. |
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98 * @param parserContext The schema parser context where all objects to resolve belong to. |
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99 */ |
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100 XsdSchemaResolver(const QExplicitlySharedDataPointer<XsdSchemaContext> &context, const XsdSchemaParserContext *parserContext); |
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101 |
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102 /** |
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103 * Destroys the schema resolver. |
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104 */ |
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105 ~XsdSchemaResolver(); |
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106 |
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107 /** |
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108 * Starts the resolve process. |
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109 */ |
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110 void resolve(); |
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111 |
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112 /** |
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113 * Adds a resolve task for key references. |
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114 * |
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115 * The resolver will try to set the referencedKey property of @p keyRef to the <em>key</em> or <em>unique</em> object |
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116 * of @p element that has the given @p name. |
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117 */ |
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118 void addKeyReference(const XsdElement::Ptr &element, const XsdIdentityConstraint::Ptr &keyRef, const QXmlName &name, const QSourceLocation &location); |
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119 |
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120 /** |
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121 * Adds a resolve task for the base type of restriction of a simple type. |
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122 * |
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123 * The resolver will set the base type of @p simpleType to the type named by @p baseName. |
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124 */ |
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125 void addSimpleRestrictionBase(const XsdSimpleType::Ptr &simpleType, const QXmlName &baseName, const QSourceLocation &location); |
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126 |
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127 /** |
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128 * Removes the resolve task for the base type of restriction of the simple @p type. |
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129 */ |
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130 void removeSimpleRestrictionBase(const XsdSimpleType::Ptr &type); |
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131 |
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132 /** |
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133 * Adds a resolve task for the list type of a simple type. |
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134 * |
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135 * The resolver will set the itemType property of @p simpleType to the type named by @p typeName. |
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136 */ |
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137 void addSimpleListType(const XsdSimpleType::Ptr &simpleType, const QXmlName &typeName, const QSourceLocation &location); |
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138 |
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139 /** |
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140 * Adds a resolve task for the member types of a simple type. |
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141 * |
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142 * The resolver will set the memberTypes property of @p simpleType to the types named by @p typeNames. |
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143 */ |
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144 void addSimpleUnionTypes(const XsdSimpleType::Ptr &simpleType, const QList<QXmlName> &typeNames, const QSourceLocation &location); |
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145 |
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146 /** |
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147 * Adds a resolve task for the type of an element. |
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148 * |
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149 * The resolver will set the type of the @p element to the type named by @p typeName. |
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150 */ |
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151 void addElementType(const XsdElement::Ptr &element, const QXmlName &typeName, const QSourceLocation &location); |
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152 |
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153 /** |
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154 * Adds a resolve task for the base type of a complex type. |
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155 * |
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156 * The resolver will set the base type of @p complexType to the type named by @p baseName. |
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157 */ |
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158 void addComplexBaseType(const XsdComplexType::Ptr &complexType, const QXmlName &baseName, const QSourceLocation &location, const XsdFacet::Hash &facets = XsdFacet::Hash()); |
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159 |
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160 /** |
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161 * Removes the resolve task for the base type of the complex @p type. |
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162 */ |
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163 void removeComplexBaseType(const XsdComplexType::Ptr &type); |
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164 |
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165 /** |
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166 * Adds a resolve task for the content type of a complex type. |
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167 * |
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168 * The resolver will set the content type properties for @p complexType based on the |
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169 * given explicit @p content and effective @p mixed value. |
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170 */ |
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171 void addComplexContentType(const XsdComplexType::Ptr &complexType, const XsdParticle::Ptr &content, bool mixed); |
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172 |
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173 /** |
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174 * Adds a resolve task for the type of an attribute. |
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175 * |
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176 * The resolver will set the type of the @p attribute to the type named by @p typeName. |
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177 */ |
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178 void addAttributeType(const XsdAttribute::Ptr &attribute, const QXmlName &typeName, const QSourceLocation &location); |
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179 |
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180 /** |
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181 * Adds a resolve task for the type of an alternative. |
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182 * |
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183 * The resolver will set the type of the @p alternative to the type named by @p typeName. |
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184 */ |
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185 void addAlternativeType(const XsdAlternative::Ptr &alternative, const QXmlName &typeName, const QSourceLocation &location); |
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186 |
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187 /** |
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188 * Adds a resolve task for the type of an alternative. |
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189 * |
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190 * The resolver will set the type of the @p alternative to the type of the @p element after |
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191 * the type of the @p element has been resolved. |
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192 */ |
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193 void addAlternativeType(const XsdAlternative::Ptr &alternative, const XsdElement::Ptr &element); |
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194 |
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195 /** |
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196 * Adds a resolve task for the substituion group affiliations of an element. |
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197 * |
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198 * The resolver will set the substitution group affiliations of the @p element to the |
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199 * top-level element named by @p elementNames. |
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200 */ |
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201 void addSubstitutionGroupAffiliation(const XsdElement::Ptr &element, const QList<QXmlName> &elementName, const QSourceLocation &location); |
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202 |
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203 /** |
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204 * Adds a resolve task for an element that has no type specified, only a substitution group |
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205 * affiliation. |
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206 * |
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207 * The resolver will set the type of the substitution group affiliation as type for the element. |
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208 */ |
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209 void addSubstitutionGroupType(const XsdElement::Ptr &element); |
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210 |
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211 /** |
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212 * Adds the component location hash, so the resolver is able to report meaning full |
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213 * error messages. |
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214 */ |
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215 void addComponentLocationHash(const QHash<NamedSchemaComponent::Ptr, QSourceLocation> &hash); |
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216 |
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217 /** |
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218 * Add a resolve task for enumeration facet values. |
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219 * |
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220 * In case the enumeration is of type QName or NOTATION, we have to resolve the QName later, |
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221 * so we store the namespace bindings together with the facet value here and resolve it as soon as |
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222 * we have all type information available. |
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223 */ |
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224 void addEnumerationFacetValue(const AtomicValue::Ptr &facetValue, const NamespaceSupport &namespaceSupport); |
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225 |
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226 /** |
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227 * Add a check job for redefined groups. |
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228 * |
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229 * When an element group is redefined, we have to check whether the redefined group is a valid |
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230 * restriction of the group it redefines. As we need all type information for that, we keep them |
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231 * here for later checking. |
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232 */ |
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233 void addRedefinedGroups(const XsdModelGroup::Ptr &redefinedGroup, const XsdModelGroup::Ptr &group); |
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234 |
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235 /** |
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236 * Add a check job for redefined attribute groups. |
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237 * |
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238 * When an attribute group is redefined, we have to check whether the redefined group is a valid |
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239 * restriction of the group it redefines. As we need all type information for that, we keep them |
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240 * here for later checking. |
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241 */ |
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242 void addRedefinedAttributeGroups(const XsdAttributeGroup::Ptr &redefinedGroup, const XsdAttributeGroup::Ptr &group); |
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243 |
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244 /** |
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245 * Adds a check for nested <em>all</em> groups. |
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246 */ |
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247 void addAllGroupCheck(const XsdReference::Ptr &reference); |
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248 |
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249 /** |
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250 * Copies the data to resolve to an @p other resolver. |
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251 * |
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252 * @note That functionality is only used by the redefine algorithm in the XsdSchemaParser. |
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253 */ |
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254 void copyDataTo(const XsdSchemaResolver::Ptr &other) const; |
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255 |
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256 /** |
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257 * Returns the to resolve base type name for the given @p type. |
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258 * |
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259 * @note That functionality is only used by the redefine algorithm in the XsdSchemaParser. |
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260 */ |
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261 QXmlName baseTypeNameOfType(const SchemaType::Ptr &type) const; |
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262 |
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263 /** |
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264 * Returns the to resolve type name for the given @p attribute. |
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265 * |
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266 * @note That functionality is only used by the redefine algorithm in the XsdSchemaParser. |
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267 */ |
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268 QXmlName typeNameOfAttribute(const XsdAttribute::Ptr &attribute) const; |
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269 |
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270 /** |
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271 * Sets the defaultOpenContent object from the schema parser. |
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272 */ |
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273 void setDefaultOpenContent(const XsdComplexType::OpenContent::Ptr &openContent, bool appliesToEmpty); |
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274 |
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275 private: |
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276 /** |
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277 * Resolves key references. |
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278 */ |
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279 void resolveKeyReferences(); |
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280 |
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281 /** |
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282 * Resolves the base types of simple types derived by restriction. |
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283 */ |
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284 void resolveSimpleRestrictionBaseTypes(); |
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285 |
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286 /** |
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287 * Resolves the other properties except the base type |
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288 * of all simple restrictions. |
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289 */ |
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290 void resolveSimpleRestrictions(); |
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291 |
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292 /** |
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293 * Resolves the other properties except the base type |
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294 * of the given simple restriction. |
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295 * |
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296 * @param simpleType The restricted type to resolve. |
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297 * @param visitedTypes A set of already resolved types, used for termination of recursion. |
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298 */ |
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299 void resolveSimpleRestrictions(const XsdSimpleType::Ptr &simpleType, QSet<XsdSimpleType::Ptr> &visitedTypes); |
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300 |
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301 /** |
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302 * Resolves the item type property of simple types derived by list. |
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303 */ |
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304 void resolveSimpleListType(); |
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305 |
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306 /** |
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307 * Resolves the member types property of simple types derived by union. |
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308 */ |
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309 void resolveSimpleUnionTypes(); |
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310 |
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311 /** |
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312 * Resolves element types. |
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313 */ |
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314 void resolveElementTypes(); |
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315 |
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316 /** |
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317 * Resolves base type of complex types. |
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318 */ |
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319 void resolveComplexBaseTypes(); |
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320 |
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321 /** |
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322 * Resolves the simple content model of a complex type |
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323 * depending on its base type. |
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324 */ |
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325 void resolveSimpleContentComplexTypes(); |
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326 |
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327 /** |
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328 * Resolves the complex content model of a complex type |
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329 * depending on its base type. |
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330 */ |
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331 void resolveComplexContentComplexTypes(); |
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332 |
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333 /** |
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334 * Resolves the simple content model of a complex type |
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335 * depending on its base type. |
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336 * |
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337 * @param complexType The complex type to resolve. |
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338 * @param visitedTypes A set of already resolved types, used for termination of recursion. |
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339 */ |
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340 void resolveSimpleContentComplexTypes(const XsdComplexType::Ptr &complexType, QSet<XsdComplexType::Ptr> &visitedTypes); |
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341 |
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342 /** |
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343 * Resolves the complex content model of a complex type |
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344 * depending on its base type. |
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345 * |
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346 * @param complexType The complex type to resolve. |
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347 * @param visitedTypes A set of already resolved types, used for termination of recursion. |
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348 */ |
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349 void resolveComplexContentComplexTypes(const XsdComplexType::Ptr &complexType, QSet<XsdComplexType::Ptr> &visitedTypes); |
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350 |
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351 /** |
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352 * Resolves attribute types. |
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353 */ |
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354 void resolveAttributeTypes(); |
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355 |
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356 /** |
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357 * Resolves alternative types. |
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358 */ |
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359 void resolveAlternativeTypes(); |
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360 |
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361 /** |
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362 * Resolves substitution group affiliations. |
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363 */ |
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364 void resolveSubstitutionGroupAffiliations(); |
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365 |
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366 /** |
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367 * Resolves substitution groups. |
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368 */ |
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369 void resolveSubstitutionGroups(); |
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370 |
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371 /** |
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372 * Resolves all XsdReferences in the schema by their corresponding XsdElement or XsdModelGroup terms. |
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373 */ |
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374 void resolveTermReferences(); |
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375 |
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376 /** |
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377 * Resolves all XsdReferences in the @p particle recursive by their corresponding XsdElement or XsdModelGroup terms. |
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378 */ |
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379 void resolveTermReference(const XsdParticle::Ptr &particle, QSet<QXmlName> visitedGroups); |
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380 |
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381 /** |
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382 * Resolves all XsdAttributeReferences in the schema by their corresponding XsdAttributeUse objects. |
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383 */ |
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384 void resolveAttributeTermReferences(); |
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385 |
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386 /** |
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387 * Resolves all XsdAttributeReferences in the list of @p attributeUses by their corresponding XsdAttributeUse objects. |
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388 */ |
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389 XsdAttributeUse::List resolveAttributeTermReferences(const XsdAttributeUse::List &attributeUses, XsdWildcard::Ptr &wildcard, QSet<QXmlName> visitedAttributeGroups); |
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390 |
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391 /** |
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392 * Resolves the attribute inheritance of complex types. |
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393 * |
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394 * @note This method must be called after all base types have been resolved. |
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395 */ |
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396 void resolveAttributeInheritance(); |
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397 |
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398 /** |
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399 * Resolves the attribute inheritance of the given complex types. |
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400 * |
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401 * @param complexType The complex type to resolve. |
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402 * @param visitedTypes A set of already resolved types, used for termination of recursion. |
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403 * |
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404 * @note This method must be called after all base types have been resolved. |
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405 */ |
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406 void resolveAttributeInheritance(const XsdComplexType::Ptr &complexType, QSet<XsdComplexType::Ptr> &visitedTypes); |
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407 |
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408 /** |
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409 * Resolves the enumeration facet values for QName and NOTATION based facets. |
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410 */ |
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411 void resolveEnumerationFacetValues(); |
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412 |
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413 /** |
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414 * Returns the source location of the given schema @p component or a dummy |
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415 * source location if the component is not found in the component location hash. |
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416 */ |
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417 QSourceLocation sourceLocation(const NamedSchemaComponent::Ptr component) const; |
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418 |
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419 /** |
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420 * Returns the facets that are marked for the given complex @p type with a simple |
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421 * type restriction. |
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422 */ |
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423 XsdFacet::Hash complexTypeFacets(const XsdComplexType::Ptr &complexType) const; |
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424 |
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425 /** |
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426 * Finds the primitive type for the given simple @p type. |
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427 * |
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428 * The type is found by walking up the inheritance tree, until one of the builtin |
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429 * primitive type definitions is reached. |
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430 */ |
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431 AnySimpleType::Ptr findPrimitiveType(const AnySimpleType::Ptr &type, QSet<AnySimpleType::Ptr> &visitedTypes); |
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432 |
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433 /** |
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434 * Checks the redefined groups. |
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435 */ |
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436 void checkRedefinedGroups(); |
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437 |
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438 /** |
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439 * Checks the redefined attribute groups. |
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440 */ |
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441 void checkRedefinedAttributeGroups(); |
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442 |
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443 class KeyReference |
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444 { |
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445 public: |
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446 XsdElement::Ptr element; |
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447 XsdIdentityConstraint::Ptr keyRef; |
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448 QXmlName reference; |
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449 QSourceLocation location; |
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450 }; |
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451 |
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452 class SimpleRestrictionBase |
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453 { |
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454 public: |
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455 XsdSimpleType::Ptr simpleType; |
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456 QXmlName baseName; |
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457 QSourceLocation location; |
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458 }; |
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459 |
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460 class SimpleListType |
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461 { |
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462 public: |
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463 XsdSimpleType::Ptr simpleType; |
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464 QXmlName typeName; |
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465 QSourceLocation location; |
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466 }; |
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467 |
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468 class SimpleUnionType |
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469 { |
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470 public: |
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471 XsdSimpleType::Ptr simpleType; |
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472 QList<QXmlName> typeNames; |
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473 QSourceLocation location; |
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474 }; |
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475 |
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476 class ElementType |
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477 { |
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478 public: |
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479 XsdElement::Ptr element; |
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480 QXmlName typeName; |
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481 QSourceLocation location; |
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482 }; |
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483 |
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484 class ComplexBaseType |
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485 { |
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486 public: |
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487 XsdComplexType::Ptr complexType; |
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488 QXmlName baseName; |
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489 QSourceLocation location; |
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490 XsdFacet::Hash facets; |
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491 }; |
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492 |
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493 class ComplexContentType |
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494 { |
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495 public: |
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496 XsdComplexType::Ptr complexType; |
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497 XsdParticle::Ptr explicitContent; |
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498 bool effectiveMixed; |
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499 }; |
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500 |
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501 class AttributeType |
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502 { |
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503 public: |
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504 XsdAttribute::Ptr attribute; |
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505 QXmlName typeName; |
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506 QSourceLocation location; |
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507 }; |
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508 |
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509 class AlternativeType |
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510 { |
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511 public: |
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512 XsdAlternative::Ptr alternative; |
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513 QXmlName typeName; |
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514 QSourceLocation location; |
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515 }; |
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516 |
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517 class AlternativeTypeElement |
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518 { |
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519 public: |
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520 XsdAlternative::Ptr alternative; |
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521 XsdElement::Ptr element; |
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522 }; |
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523 |
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524 class SubstitutionGroupAffiliation |
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525 { |
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526 public: |
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527 XsdElement::Ptr element; |
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528 QList<QXmlName> elementNames; |
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529 QSourceLocation location; |
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530 }; |
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531 |
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532 class RedefinedGroups |
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533 { |
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534 public: |
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535 XsdModelGroup::Ptr redefinedGroup; |
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536 XsdModelGroup::Ptr group; |
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537 }; |
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538 |
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539 class RedefinedAttributeGroups |
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540 { |
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541 public: |
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542 XsdAttributeGroup::Ptr redefinedGroup; |
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543 XsdAttributeGroup::Ptr group; |
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544 }; |
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545 |
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546 QVector<KeyReference> m_keyReferences; |
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547 QVector<SimpleRestrictionBase> m_simpleRestrictionBases; |
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548 QVector<SimpleListType> m_simpleListTypes; |
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549 QVector<SimpleUnionType> m_simpleUnionTypes; |
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550 QVector<ElementType> m_elementTypes; |
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551 QVector<ComplexBaseType> m_complexBaseTypes; |
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552 QVector<ComplexContentType> m_complexContentTypes; |
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553 QVector<AttributeType> m_attributeTypes; |
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554 QVector<AlternativeType> m_alternativeTypes; |
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555 QVector<AlternativeTypeElement> m_alternativeTypeElements; |
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556 QVector<SubstitutionGroupAffiliation> m_substitutionGroupAffiliations; |
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557 QVector<XsdElement::Ptr> m_substitutionGroupTypes; |
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558 QVector<RedefinedGroups> m_redefinedGroups; |
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559 QVector<RedefinedAttributeGroups> m_redefinedAttributeGroups; |
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560 QHash<AtomicValue::Ptr, NamespaceSupport> m_enumerationFacetValues; |
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561 QSet<XsdReference::Ptr> m_allGroups; |
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562 |
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563 QExplicitlySharedDataPointer<XsdSchemaContext> m_context; |
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564 QExplicitlySharedDataPointer<XsdSchemaChecker> m_checker; |
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565 NamePool::Ptr m_namePool; |
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566 XsdSchema::Ptr m_schema; |
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567 QHash<NamedSchemaComponent::Ptr, QSourceLocation> m_componentLocationHash; |
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568 XsdComplexType::OpenContent::Ptr m_defaultOpenContent; |
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569 bool m_defaultOpenContentAppliesToEmpty; |
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570 SchemaType::List m_predefinedSchemaTypes; |
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571 }; |
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572 } |
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573 |
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574 QT_END_NAMESPACE |
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575 |
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576 QT_END_HEADER |
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577 |
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578 #endif |