/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape security libraries.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  John Gardiner Myers <jgmyers@speakeasy.net>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
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 *
 * ***** END LICENSE BLOCK ***** */

#ifndef _NSUSAGEARRAYHELPER_H_
#define _NSUSAGEARRAYHELPER_H_

#include "certt.h"

#include "nsNSSComponent.h"

class nsUsageArrayHelper
{
public:
  nsUsageArrayHelper(CERTCertificate *aCert);

  nsresult GetUsagesArray(const char *suffix,
               PRBool ignoreOcsp,
               PRUint32 outArraySize,
               PRUint32 *_verified,
               PRUint32 *_count,
               PRUnichar **tmpUsages);

  enum { max_returned_out_array_size = 12 };

private:
  CERTCertificate *mCert;
  nsresult m_rv;
  CERTCertDBHandle *defaultcertdb;
  nsCOMPtr<nsINSSComponent> nssComponent;

  void check(const char *suffix,
             SECCertificateUsage aCertUsage,
             PRUint32 &aCounter,
             PRUnichar **outUsages);

  void verifyFailed(PRUint32 *_verified, int err);
};

#endif