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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_QuantifiedExpression_H
53 #define Patternist_QuantifiedExpression_H
55 #include <private/qpaircontainer_p.h>
64 * @short Implements XPath 2.0's quantification expressions @c some and @c every.
66 * @see <a href="http://www.w3.org/TR/xpath20/#id-quantified-expressions">XML Path Language
67 * (XPath) 2.0, 3.9 Quantified Expressions</a>
68 * @author Frans Englich <frans.englich@nokia.com>
69 * @ingroup Patternist_expressions
71 class Q_AUTOTEST_EXPORT QuantifiedExpression : public PairContainer
80 QuantifiedExpression(const VariableSlotID varSlot,
81 const Operator quantifier,
82 const Expression::Ptr &inClause,
83 const Expression::Ptr &testExpression);
85 virtual bool evaluateEBV(const DynamicContext::Ptr &context) const;
86 virtual SequenceType::Ptr staticType() const;
87 virtual SequenceType::List expectedOperandTypes() const;
89 Operator operatorID() const;
92 * Determines the string representation for a quantification operator.
94 * @return "some" if @p quantifier is Some, or "every" if @p quantifier
97 static QString displayName(const Operator quantifier);
99 virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
101 inline Item mapToItem(const Item &item, const DynamicContext::Ptr &context) const;
104 typedef QExplicitlySharedDataPointer<const QuantifiedExpression> ConstPtr;
105 const VariableSlotID m_varSlot;
106 const Operator m_quantifier;