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

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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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

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

#include <QUrl>

#include "qanyuri_p.h"

#include "qliteral_p.h"

#include "qpatternistlocale_p.h"

#include "qatomicstring_p.h"

#include "qresolveurifn_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

Item ResolveURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const

{

    const Item relItem(m_operands.first()->evaluateSingleton(context));

    if(relItem)

    {

        const QString base(m_operands.last()->evaluateSingleton(context).stringValue());

        const QString relative(relItem.stringValue());

        const QUrl baseURI(AnyURI::toQUrl<ReportContext::FORG0002, DynamicContext::Ptr>(base, context, this));

        const QUrl relativeURI(AnyURI::toQUrl<ReportContext::FORG0002, DynamicContext::Ptr>(relative, context, this));

        return toItem(AnyURI::fromValue(baseURI.resolved(relativeURI)));

    }

    else

        return Item();

}

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

                                        const SequenceType::Ptr &reqType)

{

    Q_ASSERT(m_operands.count() == 1 || m_operands.count() == 2);

    if(m_operands.count() == 1)

    {

        /* Our base URI is always well-defined. */

        m_operands.append(wrapLiteral(toItem(AnyURI::fromValue(context->baseURI())), context, this));

    }

    return FunctionCall::typeCheck(context, reqType);

}

QT_END_NAMESPACE