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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** This file is part of the QtXmlPatterns module of the Qt Toolkit. | |
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** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
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** file. Please review the following information to ensure the GNU Lesser | |
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** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
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** file. Please review the following information to ensure the GNU General | |
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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 "qdynamiccontext_p.h" | |
#include "qitem_p.h" | |
#include "qatomictypedispatch_p.h" | |
QT_BEGIN_HEADER | |
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 | |
QT_END_HEADER | |
#endif |