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/*
* Copyright (C) 2004, 2005, 2008, 2009 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 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.
*/
#ifndef SVGURIReference_h
#define SVGURIReference_h
#include "core/CoreExport.h"
#include "core/dom/Document.h"
#include "core/svg/SVGAnimatedHref.h"
#include "platform/heap/Handle.h"
namespace blink {
class Element;
class CORE_EXPORT SVGURIReference : public GarbageCollectedMixin {
public:
virtual ~SVGURIReference() {}
bool isKnownAttribute(const QualifiedName&);
// Use this for accesses to 'href' or 'xlink:href' (in that order) for
// elements where both are allowed and don't necessarily inherit from
// SVGURIReference.
static const AtomicString& legacyHrefString(const SVGElement&);
// Like above, but for elements that inherit from SVGURIReference. Resolves
// against the base URL of the passed Document.
KURL legacyHrefURL(const Document&) const;
static AtomicString fragmentIdentifierFromIRIString(const String&,
const TreeScope&);
static Element* targetElementFromIRIString(const String&,
const TreeScope&,
AtomicString* = nullptr);
const String& hrefString() const { return m_href->currentValue()->value(); }
// JS API
SVGAnimatedHref* href() const { return m_href.get(); }
DECLARE_VIRTUAL_TRACE();
protected:
explicit SVGURIReference(SVGElement*);
private:
Member<SVGAnimatedHref> m_href;
};
// Helper class used to resolve fragment references. Handles the 'local url
// flag' per https://drafts.csswg.org/css-values/#local-urls .
class SVGURLReferenceResolver {
STACK_ALLOCATED();
public:
SVGURLReferenceResolver(const String& urlString, const Document&);
bool isLocal() const;
KURL absoluteUrl() const;
AtomicString fragmentIdentifier() const;
private:
const String& m_relativeUrl;
Member<const Document> m_document;
mutable KURL m_absoluteUrl;
bool m_isLocal;
};
} // namespace blink
#endif // SVGURIReference_h
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