content/xul/templates/src/nsContentSupportMap.cpp
author David Zbarsky <dzbarsky@gmail.com>
Tue, 27 Sep 2011 09:54:58 +0200
changeset 77683 80ff402f2f7e9d4c42b4658febf1a252a89b6347
parent 20665 7233eee300e8159118ce513670a85c3527951218
child 94475 f4157e8c410708d76703f19e4dfb61859bfe32d8
child 105239 cad26d2fb5af799dfe030fd2a8948d617eac2f52
permissions -rw-r--r--
Bug 682367 - Call nsINode::GetChildAt less. r=smaug

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
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 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Chris Waterson <waterson@netscape.com>
 *
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 * either of the GNU General Public License Version 2 or later (the "GPL"),
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#include "nsContentSupportMap.h"
#include "nsXULElement.h"

void
nsContentSupportMap::Init()
{
    if (!PL_DHashTableInit(&mMap, PL_DHashGetStubOps(), nsnull,
                           sizeof(Entry), PL_DHASH_MIN_SIZE))
        mMap.ops = nsnull;
}

void
nsContentSupportMap::Finish()
{
    if (mMap.ops)
        PL_DHashTableFinish(&mMap);
}

nsresult
nsContentSupportMap::Remove(nsIContent* aElement)
{
    if (!mMap.ops)
        return NS_ERROR_NOT_INITIALIZED;
    
    nsIContent* child = aElement;    
    do {
        PL_DHashTableOperate(&mMap, child, PL_DHASH_REMOVE);
        child = child->GetNextNode(aElement);
    } while(child);

    return NS_OK;
}