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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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_AtomicMathematicians_H
#define Patternist_AtomicMathematicians_H
#include <private/qatomicmathematician_p.h>
#include <private/qsourcelocationreflection_p.h>
/**
* @file
* @short Contains classes performing arithemetic operations between atomic values, such as
* subtracting two dates.
*/
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
*
* @ingroup Patternist_xdm
* @author Frans Englich <frans.englich@nokia.com>
*/
class DecimalMathematician : public AtomicMathematician
, public DelegatingSourceLocationReflection
{
public:
inline DecimalMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r)
{
}
Item calculate(const Item &o1,
const Operator op,
const Item &o2,
const QExplicitlySharedDataPointer<DynamicContext> &context) const override;
};
/**
* @short Performs arithmetics between Integer values.
*
* @ingroup Patternist_xdm
* @author Frans Englich <frans.englich@nokia.com>
*/
class IntegerMathematician : public AtomicMathematician
, public DelegatingSourceLocationReflection
{
public:
inline IntegerMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r)
{
}
Item calculate(const Item &o1,
const Operator op,
const Item &o2,
const QExplicitlySharedDataPointer<DynamicContext> &context) const override;
};
/**
* @short Performs division or multiplication between either DayTimeDuration or YearMonthDuration
* and Double values.
*
* @ingroup Patternist_xdm
* @author Frans Englich <frans.englich@nokia.com>
*/
class DurationNumericMathematician : public AtomicMathematician
, public DelegatingSourceLocationReflection
{
public:
inline DurationNumericMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r)
{
}
Item calculate(const Item &o1,
const Operator op,
const Item &o2,
const QExplicitlySharedDataPointer<DynamicContext> &context) const override;
};
/**
* @short Performs division between DayTimeDuration and DayTimeDuration, or
* YearMonthDuration and YearMonthDuration.
*
* @ingroup Patternist_xdm
* @author Frans Englich <frans.englich@nokia.com>
*/
class DurationDurationDivisor : public AtomicMathematician
{
public:
Item calculate(const Item &o1,
const Operator op,
const Item &o2,
const QExplicitlySharedDataPointer<DynamicContext> &context) const override;
};
/**
* @short Performs arithmetics between DayTimeDuration and DayTimeDuration, or
* YearMonthDuration and YearMonthDuration.
*
* @ingroup Patternist_xdm
* @author Frans Englich <frans.englich@nokia.com>
*/
class DurationDurationMathematician : public AtomicMathematician
{
public:
Item calculate(const Item &o1,
const Operator op,
const Item &o2,
const QExplicitlySharedDataPointer<DynamicContext> &context) const override;
};
/**
* @short Delegates an AtomicMathematician and switches its operands.
*
* Switches the operands of the call to a call to the calculate()
* on an AtomicMathematician such that the left operand becomes the right, and
* vice versa.
*
* Its constructor takes an AtomicMathematician instance which this OperandSwitcherMathematician
* should act as as a middle-man for, having the role of switching the two operands. Thus,
* OperandSwitcherMathematician can be described as a proxy or delegator class.
*
* This class is used for implementing operator combinations such as
* <tt>numeric * xs:yearMonthDuration</tt> and
* <tt>xs:yearMonthDuration * numeric</tt>.
*
* @ingroup Patternist_xdm
* @author Frans Englich <frans.englich@nokia.com>
*/
class OperandSwitcherMathematician : public AtomicMathematician
{
public:
/**
* Creates an OperandSwitcherMathematician.
*
* @param mathematician the AtomicMathematician this OperandSwitcherMathematician
* should switch the operands for. Must be a non @c null, valid pointer.
*/
OperandSwitcherMathematician(const AtomicMathematician::Ptr &mathematician);
/**
* Switch @p o1 and @p o2, and returns the value from the AtomicMathematician
* this OperandSwitcherMathematician represents.
*/
Item calculate(const Item &o1,
const Operator op,
const Item &o2,
const QExplicitlySharedDataPointer<DynamicContext> &context) const override;
private:
const AtomicMathematician::Ptr m_mather;
};
/**
* @short Performs arithmetics between an AbstractDateTime value and
* an AbstractDuration value.
*
* @ingroup Patternist_xdm
* @author Frans Englich <frans.englich@nokia.com>
*/
class DateTimeDurationMathematician : public AtomicMathematician
, public DelegatingSourceLocationReflection
{
public:
inline DateTimeDurationMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r)
{
}
/**
* @p o1 is an AbstractDateTime and @p o2 is an AbstractDuration.
*
*/
Item calculate(const Item &o1,
const Operator op,
const Item &o2,
const QExplicitlySharedDataPointer<DynamicContext> &context) const override;
};
/**
* @short Performs arithmetics between two AbstractDateTime values.
*
* @ingroup Patternist_xdm
* @author Frans Englich <frans.englich@nokia.com>
*/
class AbstractDateTimeMathematician : public AtomicMathematician
{
public:
Item calculate(const Item &o1,
const Operator op,
const Item &o2,
const QExplicitlySharedDataPointer<DynamicContext> &context) const override;
};
}
QT_END_NAMESPACE
#endif
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