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nsAtomListUtils.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
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 * The Original Code is nsAtomListUtils.h .
 *
 * The Initial Developer of the Original Code is L. David Baron.
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 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   L. David Baron <dbaron@dbaron.org> (original author)
 *
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/*
 * Static helper class for implementing atom lists.
 */

#include "nsAtomListUtils.h"
#include "nsIAtom.h"
#include "nsStaticAtom.h"

/* static */ PRBool
nsAtomListUtils::IsMember(nsIAtom *aAtom,
                          const nsStaticAtom* aInfo,
                          PRUint32 aInfoCount)
{
    for (const nsStaticAtom *info = aInfo, *info_end = aInfo + aInfoCount;
         info != info_end; ++info) {
        if (aAtom == *(info->mAtom))
            return PR_TRUE;
    }
    return PR_FALSE;
}

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