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

**

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

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

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#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