Source/bindings/v8/custom/V8HTMLAllCollectionCustom.cpp

/*
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#include "config.h"
#include "V8HTMLAllCollection.h"

#include "V8Node.h"
#include "V8NodeList.h"
#include "bindings/v8/V8Binding.h"
#include "core/dom/NamedNodesCollection.h"
#include "core/html/HTMLAllCollection.h"
#include "core/page/UseCounter.h"

namespace WebCore {

template<class CallbackInfo>
static v8::Handle<v8::Value> getNamedItems(HTMLAllCollection* collection, AtomicString name, const CallbackInfo& callbackInfo)
{
    Vector<RefPtr<Node> > namedItems;
    collection->namedItems(name, namedItems);

    if (!namedItems.size())
        return v8Undefined();

    if (namedItems.size() == 1)
        return toV8(namedItems.at(0).release(), callbackInfo.Holder(), callbackInfo.GetIsolate());

    // FIXME: HTML5 specification says this should be a HTMLCollection.
    // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmlallcollection
    return toV8(NamedNodesCollection::create(namedItems), callbackInfo.Holder(), callbackInfo.GetIsolate());
}

template<class CallbackInfo>
static v8::Handle<v8::Value> getItem(HTMLAllCollection* collection, v8::Handle<v8::Value> argument, const CallbackInfo& callbackInfo)
{
    v8::Local<v8::Uint32> index = argument->ToArrayIndex();
    if (index.IsEmpty()) {
        V8TRYCATCH_FOR_V8STRINGRESOURCE_RETURN(V8StringResource<>, name, argument, v8::Undefined(callbackInfo.GetIsolate()));
        v8::Handle<v8::Value> result = getNamedItems(collection, name, callbackInfo);

        if (result.IsEmpty())
            return v8::Undefined(callbackInfo.GetIsolate());

        return result;
    }

    RefPtr<Node> result = collection->item(index->Uint32Value());
    return toV8(result.release(), callbackInfo.Holder(), callbackInfo.GetIsolate());
}

void V8HTMLAllCollection::itemMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
{
    HTMLAllCollection* imp = V8HTMLAllCollection::toNative(args.Holder());
    v8SetReturnValue(args, getItem(imp, args[0], args));
}

void V8HTMLAllCollection::namedItemMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
{
    V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, name, args[0]);

    HTMLAllCollection* imp = V8HTMLAllCollection::toNative(args.Holder());
    v8::Handle<v8::Value> result = getNamedItems(imp, name, args);

    if (result.IsEmpty()) {
        v8SetReturnValueNull(args);
        return;
    }

    v8SetReturnValue(args, result);
}

void V8HTMLAllCollection::legacyCallCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
{
    if (args.Length() < 1)
        return;

    HTMLAllCollection* imp = V8HTMLAllCollection::toNative(args.Holder());
    Node* ownerNode = imp->ownerNode();
    ASSERT(ownerNode);

    UseCounter::count(ownerNode->document(), UseCounter::DocumentAllLegacyCall);

    if (args.Length() == 1) {
        v8SetReturnValue(args, getItem(imp, args[0], args));
        return;
    }

    // If there is a second argument it is the index of the item we want.
    V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, name, args[0]);
    v8::Local<v8::Uint32> index = args[1]->ToArrayIndex();
    if (index.IsEmpty())
        return;

    if (Node* node = imp->namedItemWithIndex(name, index->Uint32Value())) {
        v8SetReturnValueFast(args, node, imp);
        return;
    }
}

} // namespace WebCore