/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (the "License"); you may not use this file except in
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 * http://www.mozilla.org/NPL/
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 * 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 Communicator client code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *
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 * 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"),
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#ifndef nsICharsetAlias_h___
#define nsICharsetAlias_h___

#include "nscore.h"
#include "nsString.h"
#include "nsISupports.h"

// {CCD4D374-CCDC-11d2-B3B1-00805F8A6670}
#define NS_ICHARSETALIAS_IID \
{ 0xccd4d374, 0xccdc, 0x11d2, { 0xb3, 0xb1, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 }}
static NS_DEFINE_IID(kICharsetAliasIID, NS_ICHARSETALIAS_IID);


// {98D41C21-CCF3-11d2-B3B1-00805F8A6670}
#define NS_CHARSETALIAS_CID \
{ 0x98d41c21, 0xccf3, 0x11d2, { 0xb3, 0xb1, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 }}
static NS_DEFINE_IID(kCharsetAliasCID, NS_CHARSETALIAS_CID);

#define NS_CHARSETALIAS_CID \
{ 0x98d41c21, 0xccf3, 0x11d2, { 0xb3, 0xb1, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 }}

#define NS_CHARSETALIAS_CONTRACTID "@mozilla.org/intl/charsetalias;1"

class nsICharsetAlias : public nsISupports
{
public:
   NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICHARSETALIAS_IID)

   NS_IMETHOD GetPreferred(const nsAReadableString& aAlias, nsAWritableString& aResult) = 0;
   NS_IMETHOD GetPreferred(const PRUnichar* aAlias, const PRUnichar** aResult) = 0;
   NS_IMETHOD GetPreferred(const char* aAlias, char* aResult, PRInt32 aBufLength) = 0;

   NS_IMETHOD Equals(const nsAReadableString& aCharset1, const nsAReadableString& aCharset2, PRBool* aResult) = 0;
   NS_IMETHOD Equals(const PRUnichar* aCharset1, const PRUnichar* aCharset2, PRBool* aResult) = 0;
   NS_IMETHOD Equals(const char* aCharset1, const char* aCharset2, PRBool* aResult) = 0;

};

#endif /* nsICharsetAlias_h___ */