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

#include "qatomiccaster_p.h"

#include "qatomicstring_p.h"

#include "qcastingplatform_p.h"

#include "qvaluefactory_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

/**

 * @short Helper class for ValueFactory::fromLexical() which exposes

 * CastingPlatform appropriately.

 *

 * @relates ValueFactory

 */

class PerformValueConstruction : public CastingPlatform<PerformValueConstruction, false>

                               , public SourceLocationReflection

{

public:

    PerformValueConstruction(const SourceLocationReflection *const sourceLocationReflection,

                             const SchemaType::Ptr &toType) : m_sourceReflection(sourceLocationReflection)

                                                            , m_targetType(AtomicType::Ptr(toType))

    {

        Q_ASSERT(m_sourceReflection);

    }

    AtomicValue::Ptr operator()(const AtomicValue::Ptr &lexicalValue,

                                const SchemaType::Ptr & /*type*/,

                                const ReportContext::Ptr &context)

    {

        prepareCasting(context, BuiltinTypes::xsString);

        return AtomicValue::Ptr(const_cast<AtomicValue *>(cast(lexicalValue, context).asAtomicValue()));

    }

    const SourceLocationReflection *actualReflection() const

    {

        return m_sourceReflection;

    }

    ItemType::Ptr targetType() const

    {

        return m_targetType;

    }

private:

    const SourceLocationReflection *const m_sourceReflection;

    const ItemType::Ptr                   m_targetType;

};

AtomicValue::Ptr ValueFactory::fromLexical(const QString &lexicalValue,

                                           const SchemaType::Ptr &type,

                                           const ReportContext::Ptr &context,

                                           const SourceLocationReflection *const sourceLocationReflection)

{

    Q_ASSERT(context);

    Q_ASSERT(type);

    Q_ASSERT_X(type->category() == SchemaType::SimpleTypeAtomic, Q_FUNC_INFO,

               "We can only construct for atomic values.");

    return PerformValueConstruction(sourceLocationReflection, type)(AtomicString::fromValue(lexicalValue),

                                                                    type,

                                                                    context);

}

QT_END_NAMESPACE