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7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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22 ** GNU General Public License Usage
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40 ****************************************************************************/
44 #include "qcommonsequencetypes_p.h"
45 #include "qnodebuilder_p.h"
46 #include "qqnamevalue_p.h"
48 #include "qattributeconstructor_p.h"
52 using namespace QPatternist;
54 AttributeConstructor::AttributeConstructor(const Expression::Ptr &op1,
55 const Expression::Ptr &op2) : PairContainer(op1, op2)
59 QString AttributeConstructor::processValue(const QXmlName name,
64 else if(name == QXmlName(StandardNamespaces::xml, StandardLocalNames::id))
65 return value.stringValue().simplified();
67 return value.stringValue();
70 Item AttributeConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
72 const Item nameItem(m_operand1->evaluateSingleton(context));
73 const Item content(m_operand2->evaluateSingleton(context));
75 const QXmlName name(nameItem.as<QNameValue>()->qName());
76 const QString value(processValue(name, content));
77 const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(QUrl()));
79 nodeBuilder->attribute(name, QStringRef(&value));
81 const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
82 context->addNodeModel(nm);
83 return nm->root(QXmlNodeModelIndex());
86 void AttributeConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
88 QAbstractXmlReceiver *const receiver = context->outputReceiver();
89 const Item nameItem(m_operand1->evaluateSingleton(context));
91 const Item content(m_operand2->evaluateSingleton(context));
92 const QXmlName name(nameItem.as<QNameValue>()->qName());
93 const QString value(processValue(name, content));
95 receiver->attribute(name, QStringRef(&value));
98 SequenceType::Ptr AttributeConstructor::staticType() const
100 return CommonSequenceTypes::ExactlyOneAttribute;
103 SequenceType::List AttributeConstructor::expectedOperandTypes() const
105 SequenceType::List result;
106 result.append(CommonSequenceTypes::ExactlyOneQName);
107 result.append(CommonSequenceTypes::ZeroOrMoreItems);
111 Expression::Properties AttributeConstructor::properties() const
113 return DisableElimination | IsNodeConstructor;
116 ExpressionVisitorResult::Ptr
117 AttributeConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
119 return visitor->visit(this);
122 Expression::ID AttributeConstructor::id() const
124 return IDAttributeConstructor;