gecko-dev/intl/uconv/util/nsUnicodeEncodeHelper.h

81 lines
3.1 KiB
C++

/* -*- Mode: C; tab-width: 4; 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
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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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* ***** END LICENSE BLOCK ***** */
#ifndef nsUnicodeEncodeHelper_h__
#define nsUnicodeEncodeHelper_h__
#include "nsIUnicodeEncoder.h"
#include "uconvutil.h"
//----------------------------------------------------------------------
// Class nsUnicodeEncodeHelper [declaration]
/**
*
* @created 22/Nov/1998
* @author Catalin Rotaru [CATA]
*/
class nsUnicodeEncodeHelper
{
public:
//--------------------------------------------------------------------
/**
* Converts data using a lookup table and optional shift table.
*/
static nsresult ConvertByTable(const PRUnichar * aSrc, PRInt32 * aSrcLength,
char * aDest, PRInt32 * aDestLength, uScanClassID aScanClass,
uShiftOutTable * aShiftOutTable, uMappingTable * aMappingTable);
/**
* Converts data using a set of lookup tables and optional shift tables.
*/
static nsresult ConvertByMultiTable(const PRUnichar * aSrc, PRInt32 * aSrcLength,
char * aDest, PRInt32 * aDestLength, PRInt32 aTableCount,
uScanClassID * aScanClassArray,
uShiftOutTable ** aShiftOutTable, uMappingTable ** aMappingTable);
/**
* Create Char Representable Info
*/
static nsresult FillInfo(PRUint32* aInfo, uMappingTable * aMappingTable);
static nsresult FillInfo(PRUint32* aInfo, PRInt32 aTableCount, uMappingTable ** aMappingTable);
};
#endif // nsUnicodeEncodeHelper_h__