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-rw-r--r--WebCore/html/HTMLNameCollection.cpp96
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diff --git a/WebCore/html/HTMLNameCollection.cpp b/WebCore/html/HTMLNameCollection.cpp
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+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007 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.
+ *
+ */
+
+#include "config.h"
+#include "HTMLNameCollection.h"
+
+#include "Element.h"
+#include "HTMLDocument.h"
+#include "HTMLNames.h"
+#include "HTMLObjectElement.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLNameCollection::HTMLNameCollection(PassRefPtr<Document> document, Type type, const String& name)
+ : HTMLCollection(document.get(), type, document->nameCollectionInfo(type, name))
+ , m_name(name)
+{
+}
+
+Element* HTMLNameCollection::itemAfter(Element* previous) const
+{
+ ASSERT(previous != base());
+
+ Node* current;
+ if (!previous)
+ current = base()->firstChild();
+ else
+ current = previous->traverseNextNode(base());
+
+ for (; current; current = current->traverseNextNode(base())) {
+ if (!current->isElementNode())
+ continue;
+ Element* e = static_cast<Element*>(current);
+ switch (type()) {
+ case WindowNamedItems:
+ // find only images, forms, applets, embeds and objects by name,
+ // but anything by id
+ if (e->hasTagName(imgTag) ||
+ e->hasTagName(formTag) ||
+ e->hasTagName(appletTag) ||
+ e->hasTagName(embedTag) ||
+ e->hasTagName(objectTag))
+ if (e->getAttribute(nameAttr) == m_name)
+ return e;
+ if (e->getAttribute(idAttr) == m_name)
+ return e;
+ break;
+ case DocumentNamedItems:
+ // find images, forms, applets, embeds, objects and iframes by name,
+ // applets and object by id, and images by id but only if they have
+ // a name attribute (this very strange rule matches IE)
+ if (e->hasTagName(formTag) || e->hasTagName(embedTag) || e->hasTagName(iframeTag)) {
+ if (e->getAttribute(nameAttr) == m_name)
+ return e;
+ } else if (e->hasTagName(appletTag)) {
+ if (e->getAttribute(nameAttr) == m_name || e->getAttribute(idAttr) == m_name)
+ return e;
+ } else if (e->hasTagName(objectTag)) {
+ if ((e->getAttribute(nameAttr) == m_name || e->getAttribute(idAttr) == m_name)
+ && static_cast<HTMLObjectElement*>(e)->isDocNamedItem())
+ return e;
+ } else if (e->hasTagName(imgTag)) {
+ if (e->getAttribute(nameAttr) == m_name || (e->getAttribute(idAttr) == m_name && e->hasAttribute(nameAttr)))
+ return e;
+ }
+ break;
+ default:
+ ASSERT_NOT_REACHED();
+ }
+ }
+
+ return 0;
+}
+
+}