Add support for 'href' (w/o XLink NS) for various SVG elements

third_party/WebKit/Source/core/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 "core/svg/SVGURIReference.h"
 
 #include "core/XLinkNames.h"
+#include "core/html/parser/HTMLParserIdioms.h"
 #include "core/svg/SVGElement.h"
 #include "platform/weborigin/KURL.h"
 
 namespace blink {
 
 SVGURIReference::SVGURIReference(SVGElement* element)
-    : m_href(SVGAnimatedString::create(element, XLinkNames::hrefAttr, SVGString::create()))
+    : m_href(SVGAnimatedHref::create(element))
 {
     ASSERT(element);
-    element->addToPropertyMap(m_href);
+    m_href->addToPropertyMap(element);
 }
 
 DEFINE_TRACE(SVGURIReference)
 {
     visitor->trace(m_href);
 }
 
 bool SVGURIReference::isKnownAttribute(const QualifiedName& attrName)
 {
-    return attrName.matches(XLinkNames::hrefAttr);
+    return SVGAnimatedHref::isKnownAttribute(attrName);
+}
+
+const AtomicString& SVGURIReference::legacyHrefString(const SVGElement& element)
+{
+    if (element.hasAttribute(SVGNames::hrefAttr))
+        return element.getAttribute(SVGNames::hrefAttr);
+    return element.getAttribute(XLinkNames::hrefAttr);
+}
+
+KURL SVGURIReference::legacyHrefURL(const Document& document) const
+{
+    return document.completeURL(stripLeadingAndTrailingHTMLSpaces(hrefString()));
 }
 
 AtomicString SVGURIReference::fragmentIdentifierFromIRIString(const String& url, const TreeScope& treeScope)
 {
     size_t start = url.find('#');
     if (start == kNotFound)
         return emptyAtom;
 
     const Document& document = treeScope.document();
     KURL base = start ? KURL(document.baseURI(), url.substring(0, start)) : document.baseURI();
@@ skipping 44 matching lines @@
     }
 
     // Exit early if the referenced url is external, and we have no externalDocument given.
     if (isExternalURIReference(iri, document))
         return nullptr;
 
     return treeScope.getElementById(id);
 }
 
 } // namespace blink