/****************************************************************************

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** This file is part of the QtXmlPatterns module of the Qt Toolkit.

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** this package.

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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_AbstractFloatCasters_H

#define Patternist_AbstractFloatCasters_H

#include "qabstractfloat_p.h"

#include "qatomiccaster_p.h"

#include "qschemanumeric_p.h"

/**

 * @file

 * @short Contains classes sub-classing AtomicCaster and which

 * are responsible of casting an atomic value to AbstractFloat.

 */

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist

{

    /**

     * @short Casts a @c numeric value, such as @c xs:integer or @c xs:float, to @c xs:double or xs:float.

     *

     * castFrom() uses Numeric::toDouble() for doing the actual casting.

     *

     * @ingroup Patternist_xdm

     * @author Vincent Ricard <magic@magicninja.org>

     */

    template <const bool isDouble>

    class NumericToAbstractFloatCaster : public AtomicCaster

    {

    public:

        virtual Item castFrom(const Item &from,

                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;

    };

    /**

     * @short Casts a string value, @c xs:string or @c xs:untypedAtomic, to @c xs:double or xs:float.

     *

     * @ingroup Patternist_xdm

     * @author Vincent Ricard <magic@magicninja.org>

     */

    template <const bool isDouble>

    class StringToAbstractFloatCaster : public AtomicCaster

    {

    public:

        virtual Item castFrom(const Item &from,

                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;

    };

    /**

     * @short Casts a value of type @c xs:boolean to @c xs:double or xs:float.

     *

     * @ingroup Patternist_xdm

     * @author Vincent Ricard <magic@magicninja.org>

     */

    template <const bool isDouble>

    class BooleanToAbstractFloatCaster : public AtomicCaster

    {

        public:

            virtual Item castFrom(const Item &from,

                                  const QExplicitlySharedDataPointer<DynamicContext> &context) const;

    };

#include "qabstractfloatcasters.cpp"

   /**

    * @short Casts a @c numeric value, such as @c xs:integer or @c xs:float, to @c xs:double.

    *

    * castFrom() uses Numeric::toDouble() for doing the actual casting.

    *

    * @ingroup Patternist_xdm

    * @author Frans Englich <frans.englich@nokia.com>

    */

    typedef NumericToAbstractFloatCaster<true> NumericToDoubleCaster;

   /**

    * @short Casts a @c numeric value, such as @c xs:double or @c xs:decimal, to @c xs:float.

    *

    * castFrom() uses Numeric::toFloat() for doing the actual casting.

    *

    * @ingroup Patternist_xdm

    * @author Frans Englich <frans.englich@nokia.com>

    */

    typedef NumericToAbstractFloatCaster<false> NumericToFloatCaster;

    /**

     * @short Casts a string value, @c xs:string or @c xs:untypedAtomic, to @c xs:double.

     *

     * @ingroup Patternist_xdm

     * @author Frans Englich <frans.englich@nokia.com>

     */

    typedef StringToAbstractFloatCaster<true> StringToDoubleCaster;

    /**

     * @short Casts a string value, @c xs:string or @c xs:untypedAtomic, to @c xs:float.

     *

     * @ingroup Patternist_xdm

     * @author Frans Englich <frans.englich@nokia.com>

     */

    typedef StringToAbstractFloatCaster<false> StringToFloatCaster;

   /**

    * @short Casts a value of type @c xs:boolean to @c xs:double.

    *

    * @ingroup Patternist_xdm

    * @author Frans Englich <frans.englich@nokia.com>

    */

    typedef BooleanToAbstractFloatCaster<true> BooleanToDoubleCaster;

    /**

     * @short Casts a value of type @c xs:boolean to @c xs:float.

     *

     * @ingroup Patternist_xdm

     * @author Frans Englich <frans.englich@nokia.com>

     */

    typedef BooleanToAbstractFloatCaster<false> BooleanToFloatCaster;

}

QT_END_NAMESPACE

QT_END_HEADER

#endif