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

**

** Copyright (C) 2010 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 "qbuiltintypes_p.h"

#include "qcommonnamespaces_p.h"

#include "qcommonsequencetypes_p.h"

#include "qpatternistlocale_p.h"

#include "qqnamevalue_p.h"

#include "qatomicstring_p.h"

#include "qattributenamevalidator_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

AttributeNameValidator::AttributeNameValidator(const Expression::Ptr &source) : SingleContainer(source)

{

}

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

{

    const Item name(m_operand->evaluateSingleton(context));

    const QXmlName qName(name.as<QNameValue>()->qName());

    if(qName.namespaceURI() == StandardNamespaces::xmlns)

    {

        context->error(QtXmlPatterns::tr("The namespace URI in the name for a "

                                         "computed attribute cannot be %1.")

                       .arg(formatURI(CommonNamespaces::XMLNS)),

                       ReportContext::XQDY0044, this);

        return Item(); /* Silence warning. */

    }

    else if(qName.namespaceURI() == StandardNamespaces::empty &&

            qName.localName() == StandardLocalNames::xmlns)

    {

        context->error(QtXmlPatterns::tr("The name for a computed attribute "

                                         "cannot have the namespace URI %1 "

                                         "with the local name %2.")

                          .arg(formatURI(CommonNamespaces::XMLNS))

                          .arg(formatKeyword("xmlns")),

                       ReportContext::XQDY0044, this);

        return Item(); /* Silence warning. */

    }

    else if(!qName.hasPrefix() && qName.hasNamespace())

    {

        return Item(QNameValue::fromValue(context->namePool(),

                                          QXmlName(qName.namespaceURI(), qName.localName(), StandardPrefixes::ns0)));

    }

    else

        return name;

}

SequenceType::Ptr AttributeNameValidator::staticType() const

{

    return m_operand->staticType();

}

SequenceType::List AttributeNameValidator::expectedOperandTypes() const

{

    SequenceType::List result;

    result.append(CommonSequenceTypes::ExactlyOneQName);

    return result;

}

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

{

    return visitor->visit(this);

}

QT_END_NAMESPACE