source: trunk/src/xmlpatterns/expr/qapplytemplate.cpp@ 615

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtDebug>

#include "qaxisstep_p.h"
#include "qcommonsequencetypes_p.h"
#include "qcommonvalues_p.h"
#include "qitemmappingiterator_p.h"
#include "qsequencemappingiterator_p.h"
#include "qpatternistlocale_p.h"

#include "qapplytemplate_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

ApplyTemplate::ApplyTemplate(const TemplateMode::Ptr &mode,
                             const WithParam::Hash &withParams,
                             const TemplateMode::Ptr &defaultMode) : TemplateInvoker(withParams)
                                                                   , m_mode(mode)
                                                                   , m_defaultMode(defaultMode)
{
    Q_ASSERT_X(m_mode || m_defaultMode, Q_FUNC_INFO,
               "Either a mode, or the default mode must be supplied.");
}

Item ApplyTemplate::mapToItem(const QXmlNodeModelIndex &node,
                              const DynamicContext::Ptr &) const
{
    return Item(node);
}

Item::Iterator::Ptr ApplyTemplate::mapToSequence(const Item &item,
                                                 const DynamicContext::Ptr &context) const
{
    Q_UNUSED(item);
    return evaluateSequence(context);
}

TemplateMode::Ptr ApplyTemplate::effectiveMode(const DynamicContext::Ptr &context) const
{
    if(m_mode)
        return m_mode;
    else
    {
        const TemplateMode::Ptr currentMode(context->currentTemplateMode());

        if(currentMode)
            return currentMode;
        else
            return m_defaultMode;
    }
}

Template::Ptr ApplyTemplate::findTemplate(const DynamicContext::Ptr &context,
                                          const TemplateMode::Ptr &templateMode) const
{
    const int count = templateMode->templatePatterns.count();
    Template::Ptr result;