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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_AtomicMathematician_H
53 #define Patternist_AtomicMathematician_H
57 #include <private/qdynamiccontext_p.h>
58 #include <private/qitem_p.h>
59 #include <private/qatomictypedispatch_p.h>
68 * @short Base class for classes that performs arithmetic operations between atomic values.
70 * @ingroup Patternist_xdm
71 * @author Frans Englich <frans.englich@nokia.com>
73 class Q_AUTOTEST_EXPORT AtomicMathematician : public AtomicTypeVisitorResult
76 virtual ~AtomicMathematician();
78 typedef QExplicitlySharedDataPointer<AtomicMathematician> Ptr;
83 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-divide">XQuery 1.0
84 * and XPath 2.0 Functions and Operators, 6.2.4 op:numeric-divide</a>
89 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-integer-divide">XQuery 1.0
90 * and XPath 2.0 Functions and Operators, 6.2.5 op:numeric-integer-divide</a>
95 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-subtract">XQuery 1.0
96 * and XPath 2.0 Functions and Operators, 6.2.2 op:numeric-subtract</a>
101 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-mod">XQuery 1.0
102 * and XPath 2.0 Functions and Operators, 6.2.6 op:numeric-mod</a>
107 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-multiply">XQuery 1.0
108 * and XPath 2.0 Functions and Operators, 6.2.3 op:numeric-multiply</a>
113 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-add">XQuery 1.0
114 * and XPath 2.0 Functions and Operators, 6.2.1 op:numeric-add</a>
119 typedef QFlags<Operator> Operators;
121 virtual Item calculate(const Item &operand1,
123 const Item &operand2,
124 const QExplicitlySharedDataPointer<DynamicContext> &context) const = 0;
126 static QString displayName(const AtomicMathematician::Operator op);
129 Q_DECLARE_OPERATORS_FOR_FLAGS(AtomicMathematician::Operators)