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39
40#include <QUrl>
41
42#include "qcommonsequencetypes_p.h"
43#include "qnodebuilder_p.h"
44
45#include "qtextnodeconstructor_p.h"
46
47QT_BEGIN_NAMESPACE
48
49using namespace QPatternist;
50
51TextNodeConstructor::TextNodeConstructor(const Expression::Ptr &op) : SingleContainer(op)
52{
53}
54
55Item TextNodeConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
56{
57 const Item chars(m_operand->evaluateSingleton(context));
58
59 if(!chars)
60 return Item();
61
62 const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(baseURI: QUrl()));
63 const QString &v = chars.stringValue();
64 nodeBuilder->characters(value: QStringRef(&v));
65
66 const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
67 context->addNodeModel(nm);
68
69 return nm->root(n: QXmlNodeModelIndex());
70}
71
72void TextNodeConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
73{
74 const Item item(m_operand->evaluateSingleton(context));
75
76 QAbstractXmlReceiver *const receiver = context->outputReceiver();
77
78 if(item)
79 {
80 const QString &v = item.stringValue();
81 receiver->characters(value: QStringRef(&v));
82 }
83 else
84 receiver->characters(value: QStringRef());
85}
86
87SequenceType::Ptr TextNodeConstructor::staticType() const
88{
89 if(m_operand->staticType()->cardinality().allowsEmpty())
90 return CommonSequenceTypes::ZeroOrOneTextNode;
91 else
92 return CommonSequenceTypes::ExactlyOneTextNode;
93}
94
95SequenceType::List TextNodeConstructor::expectedOperandTypes() const
96{
97 SequenceType::List result;
98 result.append(t: CommonSequenceTypes::ZeroOrOneString);
99 return result;
100}
101
102Expression::Properties TextNodeConstructor::properties() const
103{
104 return DisableElimination | IsNodeConstructor;
105}
106
107ExpressionVisitorResult::Ptr
108TextNodeConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
109{
110 return visitor->visit(this);
111}
112
113QT_END_NAMESPACE
114

source code of qtxmlpatterns/src/xmlpatterns/expr/qtextnodeconstructor.cpp