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7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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42 #include "qcommonsequencetypes_p.h"
43 #include "qpatternistlocale_p.h"
44 #include "qnodebuilder_p.h"
46 #include "qcommentconstructor_p.h"
50 using namespace QPatternist;
52 CommentConstructor::CommentConstructor(const Expression::Ptr &op) : SingleContainer(op)
56 QString CommentConstructor::evaluateContent(const DynamicContext::Ptr &context) const
58 const Item item(m_operand->evaluateSingleton(context));
63 const QString content(item.stringValue());
65 if(content.contains(QLatin1String("--")))
67 context->error(QtXmlPatterns::tr("A comment cannot contain %1")
68 .arg(formatData("--")),
69 ReportContext::XQDY0072, this);
71 else if(content.endsWith(QLatin1Char('-')))
73 context->error(QtXmlPatterns::tr("A comment cannot end with a %1.")
74 .arg(formatData(QLatin1Char('-'))),
75 ReportContext::XQDY0072, this);
81 Item CommentConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
83 const QString content(evaluateContent(context));
84 const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(QUrl()));
85 nodeBuilder->comment(content);
87 const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
88 context->addNodeModel(nm);
90 return nm->root(QXmlNodeModelIndex());
93 void CommentConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
95 const QString content(evaluateContent(context));
96 QAbstractXmlReceiver *const receiver = context->outputReceiver();
98 receiver->comment(content);
101 SequenceType::Ptr CommentConstructor::staticType() const
103 return CommonSequenceTypes::ExactlyOneComment;
106 SequenceType::List CommentConstructor::expectedOperandTypes() const
108 SequenceType::List result;
109 result.append(CommonSequenceTypes::ZeroOrOneString);
113 Expression::Properties CommentConstructor::properties() const
115 return DisableElimination | IsNodeConstructor;
118 ExpressionVisitorResult::Ptr
119 CommentConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
121 return visitor->visit(this);