source: trunk/src/xmlpatterns/data/qatomicmathematicians_p.h@ 561

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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_AtomicMathematicians_H
#define Patternist_AtomicMathematicians_H

#include "qatomicmathematician_p.h"
#include "qsourcelocationreflection_p.h"

/**
 * @file
 * @short Contains classes performing arithemetic operations between atomic values, such as
 * subtracting two dates.
 */

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     *
     * @ingroup Patternist_xdm
     * @author Frans Englich <[email protected]>
     */
    class DecimalMathematician : public AtomicMathematician
                               , public DelegatingSourceLocationReflection
    {
    public:
        inline DecimalMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r)
        {
        }

        virtual Item calculate(const Item &o1,
                               const Operator op,
                               const Item &o2,
                               const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    /**
     * @short Performs arithmetics between Integer values.
     *
     * @ingroup Patternist_xdm
     * @author Frans Englich <[email protected]>
     */
    class IntegerMathematician : public AtomicMathematician
                               , public DelegatingSourceLocationReflection
    {
    public:
        inline IntegerMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r)
        {
        }

        virtual Item calculate(const Item &o1,
                               const Operator op,
                               const Item &o2,
                               const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    /**
     * @short Performs division or multiplication between either DayTimeDuration or YearMonthDuration
     * and Double values.
     *
     * @ingroup Patternist_xdm
     * @author Frans Englich <[email protected]>
     */
    class DurationNumericMathematician : public AtomicMathematician
                                       , public DelegatingSourceLocationReflection
    {
    public:
        inline DurationNumericMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r)
        {