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46 // This file is not part of the Qt API. It exists purely as an
47 // implementation detail. This header file may change from version to
48 // version without notice, or even be removed.
52 #ifndef Patternist_CommentConstructor_H
53 #define Patternist_CommentConstructor_H
55 #include <private/qsinglecontainer_p.h>
64 * @short Constructs a comment node. This covers both computed and directly constructed
67 * @see <a href="http://www.w3.org/TR/xquery/#id-constructors">XQuery
68 * 1.0: An XML Query Language, 3.7 Constructors</a>
69 * @author Frans Englich <frans.englich@nokia.com>
70 * @ingroup Patternist_expressions
72 class CommentConstructor : public SingleContainer
75 CommentConstructor(const Expression::Ptr &operand);
77 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
78 virtual void evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const;
80 virtual SequenceType::Ptr staticType() const;
83 * The first operand must be exactly one @c xs:string.
85 virtual SequenceType::List expectedOperandTypes() const;
87 virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
89 virtual Properties properties() const;
92 inline QString evaluateContent(const DynamicContext::Ptr &context) const;