qschemanumeric_p.h

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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_Numeric_H
#define Patternist_Numeric_H

#include "qitem_p.h"
#include "qprimitives_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    class Numeric : public AtomicValue
    {
    public:

        typedef QExplicitlySharedDataPointer<Numeric> Ptr;

        static AtomicValue::Ptr fromLexical(const QString &number);

        virtual xsDouble toDouble() const = 0;

        virtual xsInteger toInteger() const = 0;

        virtual qulonglong toUnsignedInteger() const = 0;

        virtual xsFloat toFloat() const = 0;

        virtual xsFloat toDecimal() const = 0;

        virtual Numeric::Ptr round() const = 0;

        virtual Numeric::Ptr roundHalfToEven(const xsInteger scale) const = 0;

        virtual Numeric::Ptr floor() const = 0;

        virtual Numeric::Ptr ceiling() const = 0;

        virtual Numeric::Ptr abs() const = 0;

        virtual bool isNaN() const = 0;

        virtual bool isInf() const = 0;

        virtual Item toNegated() const = 0;

        virtual bool isSigned() const = 0;

    protected:
        static xsDouble roundFloat(const xsDouble val);
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif