/*

    Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>

                  2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License

    along with this library; see the file COPYING.LIB.  If not, write to

    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    Boston, MA 02110-1301, USA.

*/

#include "config.h"

#if ENABLE(SVG)

#include "SVGTests.h"

#include "Attribute.h"

#include "DOMImplementation.h"

#include "Language.h"

#include "SVGElement.h"

#include "SVGNames.h"

#include "SVGStringList.h"

namespace WebCore {

SVGTests::SVGTests()

{

}

SVGTests::~SVGTests()

{

}

SVGStringList* SVGTests::requiredFeatures() const

{

    if (!m_features)

        m_features = SVGStringList::create(SVGNames::requiredFeaturesAttr);

    return m_features.get();

}

SVGStringList* SVGTests::requiredExtensions() const

{

    if (!m_extensions)

        m_extensions = SVGStringList::create(SVGNames::requiredExtensionsAttr);

    return m_extensions.get();

}

SVGStringList* SVGTests::systemLanguage() const

{

    if (!m_systemLanguage)

        m_systemLanguage = SVGStringList::create(SVGNames::systemLanguageAttr);

    return m_systemLanguage.get();

}

bool SVGTests::hasExtension(const String&) const

{

    return false;

}

bool SVGTests::isValid() const

{

    ExceptionCode ec = 0;

    if (m_features) {

        for (unsigned long i = 0; i < m_features->numberOfItems(); i++) {

            String value = m_features->getItem(i, ec);

            if (value.isEmpty() || !DOMImplementation::hasFeature(value, String()))

                return false;

        }

    }

    if (m_systemLanguage) {

        for (unsigned long i = 0; i < m_systemLanguage->numberOfItems(); i++)

            if (m_systemLanguage->getItem(i, ec) != defaultLanguage().substring(0, 2))

                return false;

    }

    if (m_extensions && m_extensions->numberOfItems() > 0)

        return false;

    return true;

}

bool SVGTests::parseMappedAttribute(Attribute* attr)

{

    if (attr->name() == SVGNames::requiredFeaturesAttr) {

        requiredFeatures()->reset(attr->value());

        return true;

    } else if (attr->name() == SVGNames::requiredExtensionsAttr) {

        requiredExtensions()->reset(attr->value());

        return true;

    } else if (attr->name() == SVGNames::systemLanguageAttr) {

        systemLanguage()->reset(attr->value());

        return true;

    }

    return false;

}

bool SVGTests::isKnownAttribute(const QualifiedName& attrName)

{

    return (attrName == SVGNames::requiredFeaturesAttr ||

            attrName == SVGNames::requiredExtensionsAttr ||

            attrName == SVGNames::systemLanguageAttr);

}

}

#endif // ENABLE(SVG)