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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 "qanyuri_p.h"

#include "qunparsedtextfn_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

Item UnparsedTextFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
    Q_ASSERT(m_operands.count() == 1 || m_operands.count() == 2);
    const Item href(m_operands.first()->evaluateSingleton(context));
    if(!href)
        return Item();

    const QUrl mayRela(AnyURI::toQUrl<ReportContext::XTDE1170>(href.stringValue(),
                                                               context,
                                                               this));

    const QUrl uri(context->resolveURI(mayRela, staticBaseURI()));

    if(uri.hasFragment())
    {
        context->error(QtXmlPatterns::tr("The URI cannot have a fragment"),
                       ReportContext::XTDE1170, this);
    }

    QString encoding;

    if(m_operands.count() == 2)
    {
        const Item encodingArg(m_operands.at(1)->evaluateSingleton(context));
        if(encodingArg)
            encoding = encodingArg.stringValue();
    }

    Q_ASSERT(uri.isValid() && !uri.isRelative());
    return context->resourceLoader()->openUnparsedText(uri, encoding, context, this);
}

QT_END_NAMESPACE