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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_OrExpression_H
53 #define Patternist_OrExpression_H
55 #include <private/qandexpression_p.h>
64 * @short Implements XPath 2.0's logical expression @c or.
66 * @see <a href="http://www.w3.org/TR/xpath20/#id-logical-expressions">XML Path Language
67 * (XPath) 2.0, 3.6 Logical Expressions</a>
68 * @author Frans Englich <frans.englich@nokia.com>
69 * @ingroup Patternist_expressions
71 class OrExpression : public AndExpression
74 OrExpression(const Expression::Ptr &operand1,
75 const Expression::Ptr &operand2);
77 virtual bool evaluateEBV(const DynamicContext::Ptr &context) const;
79 virtual Expression::Ptr compress(const StaticContext::Ptr &context);
80 virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;