blob: 0fd104fe4e43ac97e98634797d0414137184f42b [file] [log] [blame]
/*
* Copyright (C) 2004, 2005, 2008, 2009 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
* Copyright (C) 2018-2019 Apple Inc. All rights reserved.
*
* 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.
*/
#pragma once
#include "Document.h"
#include "QualifiedName.h"
#include "SVGPropertyOwnerRegistry.h"
namespace WebCore {
class SVGElement;
class SVGURIReference {
WTF_MAKE_NONCOPYABLE(SVGURIReference);
public:
virtual ~SVGURIReference() = default;
void parseAttribute(const QualifiedName&, const AtomString&);
static String fragmentIdentifierFromIRIString(const String&, const Document&);
struct TargetElementResult {
RefPtr<Element> element;
String identifier;
};
static TargetElementResult targetElementFromIRIString(const String&, const TreeScope&, RefPtr<Document> externalDocument = nullptr);
static bool isExternalURIReference(const String& uri, const Document& document)
{
// Fragment-only URIs are always internal
if (uri.startsWith('#'))
return false;
// If the URI matches our documents URL, we're dealing with a local reference.
URL url = document.completeURL(uri);
ASSERT(!url.protocolIsData());
return !equalIgnoringFragmentIdentifier(url, document.url());
}
using PropertyRegistry = SVGPropertyOwnerRegistry<SVGURIReference>;
String href() const { return m_href->currentValue(); }
SVGAnimatedString& hrefAnimated() { return m_href; }
protected:
SVGURIReference(SVGElement* contextElement);
static bool isKnownAttribute(const QualifiedName& attributeName);
private:
Ref<SVGAnimatedString> m_href;
};
} // namespace WebCore