diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/js/JSHTMLCollectionCustom.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSHTMLCollectionCustom.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2007, 2008 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 "JSHTMLCollection.h"
+
+#include "AtomicString.h"
+#include "HTMLCollection.h"
+#include "HTMLOptionsCollection.h"
+#include "HTMLAllCollection.h"
+#include "JSDOMBinding.h"
+#include "JSHTMLAllCollection.h"
+#include "JSHTMLOptionsCollection.h"
+#include "JSNode.h"
+#include "JSNodeList.h"
+#include "Node.h"
+#include "StaticNodeList.h"
+#include <wtf/Vector.h>
+
+using namespace JSC;
+
+namespace WebCore {
+
+static JSValue getNamedItems(ExecState* exec, JSHTMLCollection* collection, const Identifier& propertyName)
+{
+    Vector<RefPtr<Node> > namedItems;
+    collection->impl()->namedItems(identifierToAtomicString(propertyName), namedItems);
+
+    if (namedItems.isEmpty())
+        return jsUndefined();
+    if (namedItems.size() == 1)
+        return toJS(exec, collection->globalObject(), namedItems[0].get());
+
+    // FIXME: HTML5 specifies that this should be a DynamicNodeList.
+    // FIXME: HTML5 specifies that non-HTMLOptionsCollection collections should return
+    // the first matching item instead of a NodeList.
+    return toJS(exec, collection->globalObject(), StaticNodeList::adopt(namedItems).get());
+}
+
+// HTMLCollections are strange objects, they support both get and call,
+// so that document.forms.item(0) and document.forms(0) both work.
+static EncodedJSValue JSC_HOST_CALL callHTMLCollection(ExecState* exec)
+{
+    if (exec->argumentCount() < 1)
+        return JSValue::encode(jsUndefined());
+
+    // Do not use thisObj here. It can be the JSHTMLDocument, in the document.forms(i) case.
+    JSHTMLCollection* jsCollection = static_cast<JSHTMLCollection*>(exec->callee());
+    HTMLCollection* collection = jsCollection->impl();
+
+    // Also, do we need the TypeError test here ?
+
+    if (exec->argumentCount() == 1) {
+        // Support for document.all(<index>) etc.
+        bool ok;
+        UString string = exec->argument(0).toString(exec);
+        unsigned index = string.toUInt32(&ok, false);
+        if (ok)
+            return JSValue::encode(toJS(exec, jsCollection->globalObject(), collection->item(index)));
+
+        // Support for document.images('<name>') etc.
+        return JSValue::encode(getNamedItems(exec, jsCollection, Identifier(exec, string)));
+    }
+
+    // The second arg, if set, is the index of the item we want
+    bool ok;
+    UString string = exec->argument(0).toString(exec);
+    unsigned index = exec->argument(1).toString(exec).toUInt32(&ok, false);
+    if (ok) {
+        String pstr = ustringToString(string);
+        Node* node = collection->namedItem(pstr);
+        while (node) {
+            if (!index)
+                return JSValue::encode(toJS(exec, jsCollection->globalObject(), node));
+            node = collection->nextNamedItem(pstr);
+            --index;
+        }
+    }
+
+    return JSValue::encode(jsUndefined());
+}
+
+CallType JSHTMLCollection::getCallData(CallData& callData)
+{
+    callData.native.function = callHTMLCollection;
+    return CallTypeHost;
+}
+
+bool JSHTMLCollection::canGetItemsForName(ExecState*, HTMLCollection* collection, const Identifier& propertyName)
+{
+    Vector<RefPtr<Node> > namedItems;
+    collection->namedItems(identifierToAtomicString(propertyName), namedItems);
+    return !namedItems.isEmpty();
+}
+
+JSValue JSHTMLCollection::nameGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
+{
+    JSHTMLCollection* thisObj = static_cast<JSHTMLCollection*>(asObject(slotBase));
+    return getNamedItems(exec, thisObj, propertyName);
+}
+
+JSValue JSHTMLCollection::item(ExecState* exec)
+{
+    bool ok;
+    uint32_t index = exec->argument(0).toString(exec).toUInt32(&ok, false);
+    if (ok)
+        return toJS(exec, globalObject(), impl()->item(index));
+    return getNamedItems(exec, this, Identifier(exec, exec->argument(0).toString(exec)));
+}
+
+JSValue JSHTMLCollection::namedItem(ExecState* exec)
+{
+    return getNamedItems(exec, this, Identifier(exec, exec->argument(0).toString(exec)));
+}
+
+JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, HTMLCollection* collection)
+{
+    if (!collection)
+        return jsNull();
+
+    DOMObject* wrapper = getCachedDOMObjectWrapper(exec, collection);
+
+    if (wrapper)
+        return wrapper;
+
+    switch (collection->type()) {
+        case SelectOptions:
+            wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, globalObject, HTMLOptionsCollection, collection);
+            break;
+        case DocAll:
+            wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, globalObject, HTMLAllCollection, collection);
+            break;
+        default:
+            wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, globalObject, HTMLCollection, collection);
+            break;
+    }
+
+    return wrapper;
+}
+
+} // namespace WebCore