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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 test suite 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 #include <QCoreApplication> |
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43 #include <QFile> |
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44 #include <QtDebug> |
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45 #include <QXmlResultItems> |
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46 #include <QXmlNamePool> |
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47 |
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48 #include "Global.h" |
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49 |
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50 #include "qcommonsequencetypes_p.h" |
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51 #include "qdebug_p.h" |
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52 #include "qatomicstring_p.h" |
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53 |
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54 #include "ExternalSourceLoader.h" |
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55 |
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56 using namespace QPatternistSDK; |
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57 using namespace QPatternist; |
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58 |
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59 ExternalSourceLoader::ExternalSourceLoader(const VariableMap &varMap, |
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60 const QPatternist::ResourceLoader::Ptr &r) : m_variableMap(varMap) |
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61 , m_resourceLoader(r) |
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62 , m_query(Global::namePoolAsPublic()) |
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63 { |
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64 Q_ASSERT(m_resourceLoader); |
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65 } |
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66 |
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67 QPatternist::SequenceType::Ptr |
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68 ExternalSourceLoader::announceExternalVariable(const QXmlName name, |
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69 const QPatternist::SequenceType::Ptr &declaredType) |
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70 { |
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71 pDebug() << "ExternalSourceLoader::announceExternalVariable()"; |
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72 Q_ASSERT(!name.isNull()); |
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73 Q_ASSERT(declaredType); |
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74 Q_UNUSED(declaredType); /* Needed when bulding in release mode. */ |
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75 |
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76 if(name.namespaceURI() == QPatternist::StandardNamespaces::empty) |
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77 { |
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78 const VariableValue variable(m_variableMap.value(Global::namePool()->stringForLocalName(name.localName()))); |
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79 |
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80 if(variable.first.isEmpty()) |
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81 return QPatternist::SequenceType::Ptr(); |
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82 else |
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83 { |
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84 /* If announceDocument() can't load a document for uriForVar, it will return |
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85 * null, which we will too, which is fine, since we can't supply a value for |
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86 * this variable then. */ |
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87 if(variable.second == Document) |
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88 return m_resourceLoader->announceDocument(variable.first, QPatternist::ResourceLoader::WillUse); |
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89 else if(variable.second == URI) |
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90 { |
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91 return QPatternist::CommonSequenceTypes::ExactlyOneString; |
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92 } |
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93 else |
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94 { |
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95 /* The type is Query, and we don't pre-load |
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96 * them. No particular reason, just not worth it. */ |
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97 return QPatternist::CommonSequenceTypes::ZeroOrMoreItems; |
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98 } |
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99 } |
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100 } |
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101 else |
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102 return QPatternist::SequenceType::Ptr(); |
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103 } |
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104 |
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105 QPatternist::Item |
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106 ExternalSourceLoader::evaluateSingleton(const QXmlName name, |
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107 const QPatternist::DynamicContext::Ptr &context) |
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108 { |
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109 Q_ASSERT(!name.isNull()); |
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110 const VariableValue variable(m_variableMap.value(Global::namePool()->stringForLocalName(name.localName()))); |
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111 |
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112 if(variable.second == Document) |
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113 { |
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114 Q_ASSERT_X(QFile::exists(variable.first.toLocalFile()), Q_FUNC_INFO, |
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115 qPrintable(QString::fromLatin1("The file %1 doesn't exist").arg(variable.first.toLocalFile()))); |
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116 Q_ASSERT_X(m_resourceLoader->openDocument(variable.first, context), Q_FUNC_INFO, |
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117 "We're supposed to have the value. If not, an error should have been issued at query compile time."); |
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118 |
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119 return m_resourceLoader->openDocument(variable.first, context); |
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120 } |
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121 else if(variable.second == Query) |
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122 { |
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123 /* Well, here we open the file and execute it. */ |
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124 m_query.setQuery(QUrl::fromLocalFile(variable.first.toLocalFile())); |
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125 Q_ASSERT(m_query.isValid()); |
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126 |
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127 QXmlResultItems result; |
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128 m_query.evaluateTo(&result); |
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129 |
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130 return QPatternist::Item::fromPublic(result.next()); |
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131 } |
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132 else |
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133 { |
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134 Q_ASSERT(variable.second == URI); |
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135 return QPatternist::AtomicString::fromValue(variable.first.toString()); |
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136 } |
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137 } |
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138 |
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139 // vim: et:ts=4:sw=4:sts=4 |
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140 |