qcastingplatform_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_CastingPlatform_H
#define Patternist_CastingPlatform_H

#include "qatomiccasterlocator_p.h"
#include "qatomiccaster_p.h"
#include "qatomicstring_p.h"
#include "qatomictype_p.h"
#include "qbuiltintypes_p.h"
#include "qcommonsequencetypes_p.h"
#include "qpatternistlocale_p.h"
#include "qqnamevalue_p.h"
#include "qschematypefactory_p.h"
#include "qstaticcontext_p.h"
#include "qvalidationerror_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    template<typename TSubClass, const bool issueError>
    class CastingPlatform
    {
    protected:
        inline CastingPlatform(const ReportContext::ErrorCode code = ReportContext::FORG0001) : m_errorCode(code)
        {
        }

        Item cast(const Item &sourceValue,
                  const ReportContext::Ptr &context) const;

        bool prepareCasting(const ReportContext::Ptr &context,
                            const ItemType::Ptr &sourceType);

        void checkTargetType(const ReportContext::Ptr &context) const;

    private:
        inline Item castWithCaster(const Item &sourceValue,
                                   const AtomicCaster::Ptr &caster,
                                   const ReportContext::Ptr &context) const;

        static AtomicCaster::Ptr locateCaster(const ItemType::Ptr &sourceType,
                                              const ReportContext::Ptr &context,
                                              bool &castImpossible,
                                              const SourceLocationReflection *const location,
                                              const ItemType::Ptr &targetType);
    private:
        inline Item castWithCaster(const Item &sourceValue,
                                   const AtomicCaster::Ptr &caster,
                                   const DynamicContext::Ptr &context) const;


        inline ItemType::Ptr targetType() const
        {
            Q_ASSERT(static_cast<const TSubClass *>(this)->targetType());
            return static_cast<const TSubClass *>(this)->targetType();
        }

        void issueCastError(const Item &validationError,
                            const Item &sourceValue,
                            const ReportContext::Ptr &context) const;

        Q_DISABLE_COPY(CastingPlatform)
        AtomicCaster::Ptr m_caster;
        const ReportContext::ErrorCode m_errorCode;
    };

#include "qcastingplatform.cpp"

}

QT_END_NAMESPACE

QT_END_HEADER

#endif