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39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49
50#ifndef Patternist_AndExpression_H
51#define Patternist_AndExpression_H
52
53#include <private/qpaircontainer_p.h>
54
55QT_BEGIN_NAMESPACE
56
57namespace QPatternist
58{
59
60 /**
61 * @short Implements XPath 2.0's logical expression @c and.
62 *
63 * The @c and expression is the same in XQuery 1.0 as in XPath 2.0.
64 *
65 * @see <a href="http://www.w3.org/TR/xpath20/#id-logical-expressions">XML Path Language
66 * (XPath) 2.0, 3.6 Logical Expressions</a>
67 * @author Frans Englich <frans.englich@nokia.com>
68 * @ingroup Patternist_expressions
69 */
70 class AndExpression : public PairContainer
71 {
72 public:
73 AndExpression(const Expression::Ptr &operand1,
74 const Expression::Ptr &operand2);
75
76 virtual bool evaluateEBV(const DynamicContext::Ptr &context) const;
77
78 virtual SequenceType::List expectedOperandTypes() const;
79
80 virtual Expression::Ptr compress(const StaticContext::Ptr &context);
81 /**
82 * @returns always CommonSequenceTypes::ExactlyOneBoolean
83 */
84 virtual SequenceType::Ptr staticType() const;
85
86 virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
87 };
88}
89
90QT_END_NAMESPACE
91
92#endif
93

source code of qtxmlpatterns/src/xmlpatterns/expr/qandexpression_p.h