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

#include "qcommonsequencetypes_p.h"

#include "qcalltemplate_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

CallTemplate::CallTemplate(const QXmlName &name,

                           const WithParam::Hash &withParams) : TemplateInvoker(withParams, name)

{

}

Item::Iterator::Ptr CallTemplate::evaluateSequence(const DynamicContext::Ptr &context) const

{

    Q_ASSERT(m_template);

    return m_template->body->evaluateSequence(m_template->createContext(this, context, true));

}

bool CallTemplate::evaluateEBV(const DynamicContext::Ptr &context) const

{

    Q_ASSERT(m_template);

    return m_template->body->evaluateEBV(m_template->createContext(this, context, true));

}

void CallTemplate::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const

{

    Q_ASSERT(m_template);

    m_template->body->evaluateToSequenceReceiver(m_template->createContext(this, context, true));

}

Expression::Ptr CallTemplate::typeCheck(const StaticContext::Ptr &context,

                                        const SequenceType::Ptr &reqType)

{

    /* Check XTSE0680, that every @c xsl:with-param has a corresponding @c

     * xsl:param declaration. */

    {

        const WithParam::Hash::const_iterator end(m_withParams.constEnd());

        for(WithParam::Hash::const_iterator it(m_withParams.constBegin());

            it != end;

            ++it)

        {

            if(!VariableDeclaration::contains(m_template->templateParameters, it.value()->name()))

                Template::raiseXTSE0680(context, it.value()->name(), this);

        }

    }

    const Expression::Ptr me(TemplateInvoker::typeCheck(context, reqType));

    const VariableDeclaration::List args(m_template->templateParameters);

    const VariableDeclaration::List::const_iterator end(args.constEnd());

    VariableDeclaration::List::const_iterator it(args.constBegin());

    for(; it != end; ++it)

    {

        // TODO

        Q_ASSERT((*it)->sequenceType);

    }

    return me;

}

Expression::Properties CallTemplate::properties() const

{

    Q_ASSERT(!m_template || m_template->body);

    /* We may be called before our m_template is resolved, namely when we're

     * the body of a variable. In that case querytransformparser.ypp will

     * manually call TypeChecker::applyFunctionConversion(), which is before

     * ExpressionFactory::createExpression() has resolved us. */

    if(m_template && !isRecursive())

        return m_template->properties();

    else

        return Properties();

}

Expression::Properties CallTemplate::dependencies() const

{

    if(m_template && !isRecursive())

        return m_template->dependencies();

    else

        return Properties();

}

SequenceType::Ptr CallTemplate::staticType() const

{

    return CommonSequenceTypes::ZeroOrMoreItems;

}

ExpressionVisitorResult::Ptr CallTemplate::accept(const ExpressionVisitor::Ptr &visitor) const

{

    return visitor->visit(this);

}

bool CallTemplate::configureRecursion(const CallTargetDescription::Ptr &sign)

{

    Q_UNUSED(sign);

    return false;

}

Expression::Ptr CallTemplate::body() const

{

    return m_template->body;

}

CallTargetDescription::Ptr CallTemplate::callTargetDescription() const

{

    return CallTargetDescription::Ptr();

}

QT_END_NAMESPACE