1 files changed, 92 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/bindings/js/JSNamedNodesCollection.cpp b/src/3rdparty/webkit/WebCore/bindings/js/JSNamedNodesCollection.cpp
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+++ b/src/3rdparty/webkit/WebCore/bindings/js/JSNamedNodesCollection.cpp
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+/*
+ * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "JSNamedNodesCollection.h"
+
+#include "AtomicString.h"
+#include "Element.h"
+#include "JSNode.h"
+#include "NamedAttrMap.h"
+
+namespace WebCore {
+
+using namespace JSC;
+
+ASSERT_CLASS_FITS_IN_CELL(JSNamedNodesCollection)
+
+const ClassInfo JSNamedNodesCollection::s_info = { "Collection", 0, 0, 0 };
+
+// Such a collection is usually very short-lived, it only exists
+// for constructs like document.forms.<name>[1],
+// so it shouldn't be a problem that it's storing all the nodes (with the same name). (David)
+JSNamedNodesCollection::JSNamedNodesCollection(ExecState* exec, const Vector<RefPtr<Node> >& nodes)
+    : DOMObject(getDOMStructure<JSNamedNodesCollection>(exec))
+    , m_nodes(new Vector<RefPtr<Node> >(nodes))
+{
+}
+
+JSValuePtr JSNamedNodesCollection::lengthGetter(ExecState* exec, const Identifier&, const PropertySlot& slot)
+{
+    JSNamedNodesCollection* thisObj = static_cast<JSNamedNodesCollection*>(asObject(slot.slotBase()));
+    return jsNumber(exec, thisObj->m_nodes->size());
+}
+
+JSValuePtr JSNamedNodesCollection::indexGetter(ExecState* exec, const Identifier&, const PropertySlot& slot)
+{
+    JSNamedNodesCollection *thisObj = static_cast<JSNamedNodesCollection*>(asObject(slot.slotBase()));
+    return toJS(exec, (*thisObj->m_nodes)[slot.index()].get());
+}
+
+bool JSNamedNodesCollection::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
+{
+    if (propertyName == exec->propertyNames().length) {
+        slot.setCustom(this, lengthGetter);
+        return true;
+    }
+
+    bool ok;
+    unsigned index = propertyName.toUInt32(&ok);
+    if (ok && index < m_nodes->size()) {
+        slot.setCustomIndex(this, index, indexGetter);
+        return true;
+    }
+
+    // For IE compatibility, we need to be able to look up elements in a
+    // document.formName.name result by id as well as be index.
+
+    AtomicString atomicPropertyName = propertyName;
+    for (unsigned i = 0; i < m_nodes->size(); i++) {
+        Node* node = (*m_nodes)[i].get();
+        if (node->hasAttributes() && node->attributes()->id() == atomicPropertyName) {
+            slot.setCustomIndex(this, i, indexGetter);
+            return true;
+        }
+    }
+
+    return DOMObject::getOwnPropertySlot(exec, propertyName, slot);
+}
+
+} // namespace WebCore