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 ([email protected])
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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 | ** Commercial Usage
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11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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12 | ** accordance with the Qt Commercial License Agreement provided with the
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13 | ** Software or, alternatively, in accordance with the terms contained in
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14 | ** a written agreement between you and Nokia.
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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 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you have questions regarding the use of this file, please contact
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37 | ** Nokia at [email protected].
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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 | #include "qxmlschema.h"
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43 | #include "qxmlschema_p.h"
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44 |
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45 | #include <QtCore/QIODevice>
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46 | #include <QtCore/QUrl>
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47 |
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48 | QT_BEGIN_NAMESPACE
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49 |
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50 | /*!
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51 | \class QXmlSchema
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52 |
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53 | \brief The QXmlSchema class provides loading and validation of a W3C XML Schema.
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54 |
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55 | \reentrant
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56 | \since 4.6
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57 | \ingroup xml-tools
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58 |
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59 | The QXmlSchema class loads, compiles and validates W3C XML Schema files
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60 | that can be used further for validation of XML instance documents via
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61 | \l{QXmlSchemaValidator}.
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62 |
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63 | The following example shows how to load a XML Schema file from the network
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64 | and test whether it is a valid schema document:
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65 |
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66 | \snippet doc/src/snippets/qxmlschema/main.cpp 0
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67 |
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68 | \section1 XML Schema Version
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69 |
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70 | This class is used to represent schemas that conform to the \l{XML Schema} 1.0
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71 | specification.
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72 |
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73 | \sa QXmlSchemaValidator, {xmlpatterns/schema}{XML Schema Validation Example}
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74 | */
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75 |
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76 | /*!
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77 | Constructs an invalid, empty schema that cannot be used until
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78 | load() is called.
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79 | */
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80 | QXmlSchema::QXmlSchema()
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81 | : d(new QXmlSchemaPrivate(QXmlNamePool()))
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82 | {
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83 | }
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84 |
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85 | /*!
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86 | Constructs a QXmlSchema that is a copy of \a other. The new
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87 | instance will share resources with the existing schema
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88 | to the extent possible.
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89 | */
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90 | QXmlSchema::QXmlSchema(const QXmlSchema &other)
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91 | : d(other.d)
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92 | {
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93 | }
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94 |
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95 | /*!
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96 | Destroys this QXmlSchema.
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97 | */
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98 | QXmlSchema::~QXmlSchema()
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99 | {
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100 | }
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101 |
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102 | /*!
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103 | Sets this QXmlSchema to a schema loaded from the \a source
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104 | URI.
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105 |
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106 | If the schema \l {isValid()} {is invalid}, \c{false} is returned
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107 | and the behavior is undefined.
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108 |
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109 | Example:
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110 |
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111 | \snippet doc/src/snippets/qxmlschema/main.cpp 0
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112 |
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113 | \sa isValid()
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114 | */
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115 | bool QXmlSchema::load(const QUrl &source)
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116 | {
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117 | d->load(source, QString());
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118 | return d->isValid();
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119 | }
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120 |
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121 | /*!
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122 | Sets this QXmlSchema to a schema read from the \a source
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123 | device. The device must have been opened with at least
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124 | QIODevice::ReadOnly.
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125 |
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126 | \a documentUri represents the schema obtained from the \a source
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127 | device. It is the base URI of the schema, that is used
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128 | internally to resolve relative URIs that appear in the schema, and
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129 | for message reporting.
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130 |
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131 | If \a source is \c null or not readable, or if \a documentUri is not
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132 | a valid URI, behavior is undefined.
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133 |
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134 | If the schema \l {isValid()} {is invalid}, \c{false} is returned
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135 | and the behavior is undefined.
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136 |
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137 | Example:
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138 |
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139 | \snippet doc/src/snippets/qxmlschema/main.cpp 1
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140 |
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141 | \sa isValid()
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142 | */
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143 | bool QXmlSchema::load(QIODevice *source, const QUrl &documentUri)
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144 | {
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145 | d->load(source, documentUri, QString());
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146 | return d->isValid();
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147 | }
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148 |
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149 | /*!
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150 | Sets this QXmlSchema to a schema read from the \a data
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151 |
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152 | \a documentUri represents the schema obtained from the \a data.
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153 | It is the base URI of the schema, that is used internally to
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154 | resolve relative URIs that appear in the schema, and
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155 | for message reporting.
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156 |
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157 | If \a documentUri is not a valid URI, behavior is undefined.
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