Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 99 insertions, 0 deletions

diff --git a/Source/WebCore/html/HTMLNameCollection.cpp b/Source/WebCore/html/HTMLNameCollection.cpp
new file mode 100644
index 000000000..ad73d3201
--- /dev/null
+++ b/Source/WebCore/html/HTMLNameCollection.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2011, 2012 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(Document* document, CollectionType type, const AtomicString& name)
+    : HTMLCollection(document, type)
+    , m_name(name)
+{
+}
+
+Element* HTMLNameCollection::itemAfter(Element* previous) const
+{
+    if (!base())
+        return 0;
+
+    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->getIdAttribute() == 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->getIdAttribute() == m_name)
+                        return e;
+                } else if (e->hasTagName(objectTag)) {
+                    if ((e->getAttribute(nameAttr) == m_name || e->getIdAttribute() == m_name)
+                            && static_cast<HTMLObjectElement*>(e)->isDocNamedItem())
+                        return e;
+                } else if (e->hasTagName(imgTag)) {
+                    if (e->getAttribute(nameAttr) == m_name || (e->getIdAttribute() == m_name && e->hasAttribute(nameAttr)))
+                        return e;
+                }
+                break;
+        default:
+            ASSERT_NOT_REACHED();
+        }
+    }
+
+    return 0;
+}
+
+}