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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_AndExpression_H
53 #define Patternist_AndExpression_H
55 #include <private/qpaircontainer_p.h>
65 * @short Implements XPath 2.0's logical expression @c and.
67 * The @c and expression is the same in XQuery 1.0 as in XPath 2.0.
69 * @see <a href="http://www.w3.org/TR/xpath20/#id-logical-expressions">XML Path Language
70 * (XPath) 2.0, 3.6 Logical Expressions</a>
71 * @author Frans Englich <frans.englich@nokia.com>
72 * @ingroup Patternist_expressions
74 class AndExpression : public PairContainer
77 AndExpression(const Expression::Ptr &operand1,
78 const Expression::Ptr &operand2);
80 virtual bool evaluateEBV(const DynamicContext::Ptr &context) const;
82 virtual SequenceType::List expectedOperandTypes() const;
84 virtual Expression::Ptr compress(const StaticContext::Ptr &context);
86 * @returns always CommonSequenceTypes::ExactlyOneBoolean
88 virtual SequenceType::Ptr staticType() const;
90 virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;