xref: /external/webkit/Source/WebCore/svg/SVGURIReference.cpp

/*
 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005, 2006 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 "SVGURIReference.h"

#include "Attribute.h"

namespace WebCore {

bool SVGURIReference::parseMappedAttribute(Attribute* attr)
{
    if (attr->name().matches(XLinkNames::hrefAttr)) {
        setHrefBaseValue(attr->value());
        return true;
    }

    return false;
}

bool SVGURIReference::isKnownAttribute(const QualifiedName& attrName)
{
    return attrName.matches(XLinkNames::hrefAttr);
}

String SVGURIReference::getTarget(const String& url)
{
    if (url.startsWith("url(")) { // URI References, ie. fill:url(#target)
        size_t start = url.find('#') + 1;
        size_t end = url.reverseFind(')');
        return url.substring(start, end - start);
    }
    if (url.find('#') != notFound) { // format is #target
        size_t start = url.find('#') + 1;
        return url.substring(start, url.length() - start);
    }

    // The url doesn't have any target.
    return String();
}

}

#endif // ENABLE(SVG)