qatomiccasters_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_AtomicCasters_H
#define Patternist_AtomicCasters_H

#include "qatomiccaster_p.h"
#include "qdecimal_p.h"
#include "qderivedinteger_p.h"
#include "qderivedstring_p.h"
#include "qinteger_p.h"
#include "qvalidationerror_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{

    template<TypeOfDerivedString DerivedType>
    class ToStringCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const
        {
            Q_ASSERT(from);
            return DerivedString<DerivedType>::fromLexical(context->namePool(), from.stringValue());
        }
    };

    class ToUntypedAtomicCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class ToAnyURICaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class HexBinaryToBase64BinaryCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class Base64BinaryToHexBinaryCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToBase64BinaryCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToHexBinaryCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class NumericToBooleanCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToBooleanCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    template <const bool IsInteger>
    class NumericToDecimalCaster : public AtomicCaster
    {
    public:
        static inline QString errorMessage()
        {
            return QtXmlPatterns::tr("When casting to %1 from %2, the source value cannot be %3.");
        }

        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const
        {
            const ItemType::Ptr t(from.type());
            const Numeric *const num = from.template as<Numeric>();

            if(BuiltinTypes::xsDouble->xdtTypeMatches(t) || BuiltinTypes::xsFloat->xdtTypeMatches(t))
            {
                if(num->isInf() || num->isNaN())
                {
                    return ValidationError::createError(errorMessage()
                                                        .arg(formatType(context->namePool(), IsInteger ? BuiltinTypes::xsInteger : BuiltinTypes::xsDecimal))
                                                        .arg(formatType(context->namePool(), t))
                                                        .arg(formatData(num->stringValue())),
                                                        ReportContext::FOCA0002);
                }
            }

            if(IsInteger)
                return Integer::fromValue(num->toInteger());
            else
                return toItem(Decimal::fromValue(num->toDecimal()));
        }
    };

    class StringToDecimalCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToIntegerCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class BooleanToDecimalCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class BooleanToIntegerCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class SelfToSelfCaster : public AtomicCaster
    {
    public:

        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToGYearCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToGDayCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToGMonthCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToGYearMonthCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToGMonthDayCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToDateTimeCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToTimeCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToDateCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToDurationCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToDayTimeDurationCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class StringToYearMonthDurationCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };


    class AbstractDateTimeToGYearCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDateTimeToGYearMonthCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDateTimeToGMonthCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDateTimeToGMonthDayCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDateTimeToGDayCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDateTimeToDateTimeCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDateTimeToDateCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDateTimeToTimeCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDurationToDurationCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDurationToDayTimeDurationCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    class AbstractDurationToYearMonthDurationCaster : public AtomicCaster
    {
    public:
        virtual Item castFrom(const Item &from,
                              const QExplicitlySharedDataPointer<DynamicContext> &context) const;
    };

    template<TypeOfDerivedInteger type>
    class StringToDerivedIntegerCaster : public AtomicCaster
    {
    public:
        virtual Item
        castFrom(const Item &from,
                 const QExplicitlySharedDataPointer<DynamicContext> &context) const
        {
            return DerivedInteger<type>::fromLexical(context->namePool(), from.stringValue());
        }
    };

    template<TypeOfDerivedInteger type>
    class BooleanToDerivedIntegerCaster : public AtomicCaster
    {
    public:
        virtual Item
        castFrom(const Item &from,
                 const QExplicitlySharedDataPointer<DynamicContext> &context) const
        {
            return DerivedInteger<type>::fromValue(context->namePool(), from.template as<AtomicValue>()->evaluateEBV(context) ? 1 : 0);
        }
    };

    template<TypeOfDerivedString type>
    class AnyToDerivedStringCaster : public AtomicCaster
    {
    public:
        virtual Item
        castFrom(const Item &from,
                 const QExplicitlySharedDataPointer<DynamicContext> &context) const
        {
            return DerivedString<type>::fromLexical(context->namePool(), from.stringValue());
        }
    };

    template<TypeOfDerivedInteger type>
    class NumericToDerivedIntegerCaster : public AtomicCaster
    {
    public:
        virtual Item
        castFrom(const Item &from,
                 const QExplicitlySharedDataPointer<DynamicContext> &context) const
        {
            const ItemType::Ptr t(from.type());
            const Numeric *const num = from.template as<Numeric>();

            if(BuiltinTypes::xsDouble->xdtTypeMatches(t) || BuiltinTypes::xsFloat->xdtTypeMatches(t))
            {
                if(num->isInf() || num->isNaN())
                {
                    return ValidationError::createError(NumericToDecimalCaster<false>::errorMessage()
                                                        .arg(formatType(context->namePool(), DerivedInteger<type>::itemType()))
                                                        .arg(formatType(context->namePool(), t))
                                                        .arg(formatData(num->stringValue())),
                                                        ReportContext::FOCA0002);
                }
            }

            return toItem(DerivedInteger<type>::fromValue(context->namePool(), from.template as<Numeric>()->toInteger()));
        }
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif