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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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
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