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3 | ** Copyright (C) 2016 The Qt Company Ltd. |
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6 | ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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38 | ****************************************************************************/ |
39 | |
40 | #include <QUrl> |
41 | |
42 | #include "qcommonsequencetypes_p.h" |
43 | #include "qnodebuilder_p.h" |
44 | #include "qqnamevalue_p.h" |
45 | |
46 | #include "qattributeconstructor_p.h" |
47 | |
48 | QT_BEGIN_NAMESPACE |
49 | |
50 | using namespace QPatternist; |
51 | |
52 | AttributeConstructor::AttributeConstructor(const Expression::Ptr &op1, |
53 | const Expression::Ptr &op2) : PairContainer(op1, op2) |
54 | { |
55 | } |
56 | |
57 | QString AttributeConstructor::processValue(const QXmlName name, |
58 | const Item &value) |
59 | { |
60 | if(!value) |
61 | return QString(); |
62 | else if(name == QXmlName(StandardNamespaces::xml, StandardLocalNames::id)) |
63 | return value.stringValue().simplified(); |
64 | else |
65 | return value.stringValue(); |
66 | } |
67 | |
68 | Item AttributeConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const |
69 | { |
70 | const Item nameItem(m_operand1->evaluateSingleton(context)); |
71 | const Item content(m_operand2->evaluateSingleton(context)); |
72 | |
73 | const QXmlName name(nameItem.as<QNameValue>()->qName()); |
74 | const QString value(processValue(name, value: content)); |
75 | const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(baseURI: QUrl())); |
76 | |
77 | nodeBuilder->attribute(name, value: QStringRef(&value)); |
78 | |
79 | const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument()); |
80 | context->addNodeModel(nm); |
81 | return nm->root(n: QXmlNodeModelIndex()); |
82 | } |
83 | |
84 | void AttributeConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const |
85 | { |
86 | QAbstractXmlReceiver *const receiver = context->outputReceiver(); |
87 | const Item nameItem(m_operand1->evaluateSingleton(context)); |
88 | |
89 | const Item content(m_operand2->evaluateSingleton(context)); |
90 | const QXmlName name(nameItem.as<QNameValue>()->qName()); |
91 | const QString value(processValue(name, value: content)); |
92 | |
93 | receiver->attribute(name, value: QStringRef(&value)); |
94 | } |
95 | |
96 | SequenceType::Ptr AttributeConstructor::staticType() const |
97 | { |
98 | return CommonSequenceTypes::ExactlyOneAttribute; |
99 | } |
100 | |
101 | SequenceType::List AttributeConstructor::expectedOperandTypes() const |
102 | { |
103 | SequenceType::List result; |
104 | result.append(t: CommonSequenceTypes::ExactlyOneQName); |
105 | result.append(t: CommonSequenceTypes::ZeroOrMoreItems); |
106 | return result; |
107 | } |
108 | |
109 | Expression::Properties AttributeConstructor::properties() const |
110 | { |
111 | return DisableElimination | IsNodeConstructor; |
112 | } |
113 | |
114 | ExpressionVisitorResult::Ptr |
115 | AttributeConstructor::accept(const ExpressionVisitor::Ptr &visitor) const |
116 | { |
117 | return visitor->visit(this); |
118 | } |
119 | |
120 | Expression::ID AttributeConstructor::id() const |
121 | { |
122 | return IDAttributeConstructor; |
123 | } |
124 | |
125 | QT_END_NAMESPACE |
126 | |