/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Jungshik Shin <jshin@mailaps.org>.
 * Portions created by the Initial Developer are Copyright (C) 2003
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * 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
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#include "nsIMIMEHeaderParam.h"

#ifndef __nsmimeheaderparamimpl_h___
#define __nsmimeheaderparamimpl_h___
class nsMIMEHeaderParamImpl : public nsIMIMEHeaderParam
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSIMIMEHEADERPARAM

  nsMIMEHeaderParamImpl() {}
  virtual ~nsMIMEHeaderParamImpl() {}
private:
  // Toggles support for RFC 2231 decoding, or RFC 5987 (5987 profiles 2231
  // for use in HTTP, and, for instance, drops support for continuations)
  enum ParamDecoding {
    RFC_2231_DECODING = 1,
    RFC_5987_DECODING
  }; 

  nsresult DoGetParameter(const nsACString& aHeaderVal, 
                          const char *aParamName,
                          ParamDecoding aDecoding,
                          const nsACString& aFallbackCharset, 
                          bool aTryLocaleCharset, 
                          char **aLang, 
                          nsAString& aResult);

  nsresult DoParameterInternal(const char *aHeaderValue, 
                               const char *aParamName,
                               ParamDecoding aDecoding,
                               char **aCharset,
                               char **aLang,
                               char **aResult);

};

#endif 

