diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/bindings/js/JSNamedNodesCollection.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebCore/bindings/js/JSNamedNodesCollection.cpp | 92 |
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 new file mode 100644 index 0000000..8a7ee0e --- /dev/null +++ b/src/3rdparty/webkit/WebCore/bindings/js/JSNamedNodesCollection.cpp @@ -0,0 +1,92 @@ +/* + * 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 |