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| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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| ** Alternatively, this file may be used under the terms of the GNU |
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| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| |
| #ifndef Patternist_AtomicMathematician_H |
| #define Patternist_AtomicMathematician_H |
| |
| #include <QFlags> |
| |
| #include <private/qdynamiccontext_p.h> |
| #include <private/qitem_p.h> |
| #include <private/qatomictypedispatch_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QPatternist |
| { |
| /** |
| * @short Base class for classes that performs arithmetic operations between atomic values. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class Q_AUTOTEST_EXPORT AtomicMathematician : public AtomicTypeVisitorResult |
| { |
| public: |
| virtual ~AtomicMathematician(); |
| |
| typedef QExplicitlySharedDataPointer<AtomicMathematician> Ptr; |
| |
| enum Operator |
| { |
| /** |
| * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-divide">XQuery 1.0 |
| * and XPath 2.0 Functions and Operators, 6.2.4 op:numeric-divide</a> |
| */ |
| Div = 1, |
| |
| /** |
| * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-integer-divide">XQuery 1.0 |
| * and XPath 2.0 Functions and Operators, 6.2.5 op:numeric-integer-divide</a> |
| */ |
| IDiv = 2, |
| |
| /** |
| * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-subtract">XQuery 1.0 |
| * and XPath 2.0 Functions and Operators, 6.2.2 op:numeric-subtract</a> |
| */ |
| Substract = 4, |
| |
| /** |
| * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-mod">XQuery 1.0 |
| * and XPath 2.0 Functions and Operators, 6.2.6 op:numeric-mod</a> |
| */ |
| Mod = 8, |
| |
| /** |
| * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-multiply">XQuery 1.0 |
| * and XPath 2.0 Functions and Operators, 6.2.3 op:numeric-multiply</a> |
| */ |
| Multiply = 16, |
| |
| /** |
| * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-add">XQuery 1.0 |
| * and XPath 2.0 Functions and Operators, 6.2.1 op:numeric-add</a> |
| */ |
| Add = 32 |
| }; |
| |
| typedef QFlags<Operator> Operators; |
| |
| virtual Item calculate(const Item &operand1, |
| const Operator op, |
| const Item &operand2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const = 0; |
| |
| static QString displayName(const AtomicMathematician::Operator op); |
| |
| }; |
| Q_DECLARE_OPERATORS_FOR_FLAGS(AtomicMathematician::Operators) |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |