1 /*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "JSNodeList.h"
28
29 #include "DynamicNodeList.h"
30 #include "JSNode.h"
31 #include "Node.h"
32 #include "NodeList.h"
33 #include <wtf/text/AtomicString.h>
34
35 using namespace JSC;
36
37 namespace WebCore {
38
isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle,void *,SlotVisitor & visitor)39 bool JSNodeListOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
40 {
41 JSNodeList* jsNodeList = static_cast<JSNodeList*>(handle.get().asCell());
42 if (!jsNodeList->hasCustomProperties())
43 return false;
44 if (!jsNodeList->impl()->isDynamicNodeList())
45 return false;
46 return visitor.containsOpaqueRoot(root(static_cast<DynamicNodeList*>(jsNodeList->impl())->rootNode()));
47 }
48
49 // Need to support call so that list(0) works.
callNodeList(ExecState * exec)50 static EncodedJSValue JSC_HOST_CALL callNodeList(ExecState* exec)
51 {
52 bool ok;
53 unsigned index = Identifier::toUInt32(exec->argument(0).toString(exec), ok);
54 if (!ok)
55 return JSValue::encode(jsUndefined());
56 JSNodeList* thisObj = static_cast<JSNodeList*>(exec->callee());
57 return JSValue::encode(toJS(exec, thisObj->globalObject(), thisObj->impl()->item(index)));
58 }
59
getCallData(CallData & callData)60 CallType JSNodeList::getCallData(CallData& callData)
61 {
62 callData.native.function = callNodeList;
63 return CallTypeHost;
64 }
65
canGetItemsForName(ExecState *,NodeList * impl,const Identifier & propertyName)66 bool JSNodeList::canGetItemsForName(ExecState*, NodeList* impl, const Identifier& propertyName)
67 {
68 return impl->itemWithName(identifierToAtomicString(propertyName));
69 }
70
nameGetter(ExecState * exec,JSValue slotBase,const Identifier & propertyName)71 JSValue JSNodeList::nameGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
72 {
73 JSNodeList* thisObj = static_cast<JSNodeList*>(asObject(slotBase));
74 return toJS(exec, thisObj->globalObject(), thisObj->impl()->itemWithName(identifierToAtomicString(propertyName)));
75 }
76
77 } // namespace WebCore
78