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88 lines
3.4 KiB
C++
88 lines
3.4 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsUnicodeDecodeHelper_h__
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#define nsUnicodeDecodeHelper_h__
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#include "nsIUnicodeDecoder.h"
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#include "uconvutil.h"
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//----------------------------------------------------------------------
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// Class nsUnicodeDecodeHelper [declaration]
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/**
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*
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* @created 18/Mar/1998
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* @author Catalin Rotaru [CATA]
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*/
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class nsUnicodeDecodeHelper
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{
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public:
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/**
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* Converts data using a lookup table and optional shift table
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*/
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static nsresult ConvertByTable(const char * aSrc, PRInt32 * aSrcLength,
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PRUnichar * aDest, PRInt32 * aDestLength,
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uScanClassID aScanClass,
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uShiftInTable * aShiftInTable,
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uMappingTable * aMappingTable,
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bool aErrorSignal = false);
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/**
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* Converts data using a set of lookup tables.
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*/
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static nsresult ConvertByMultiTable(const char * aSrc, PRInt32 * aSrcLength,
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PRUnichar * aDest, PRInt32 * aDestLength, PRInt32 aTableCount,
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const uRange * aRangeArray, uScanClassID * aScanClassArray,
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uMappingTable ** aMappingTable, bool aErrorSignal = false);
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/**
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* Converts data using a fast lookup table.
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*/
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static nsresult ConvertByFastTable(const char * aSrc, PRInt32 * aSrcLength,
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PRUnichar * aDest, PRInt32 * aDestLength, const PRUnichar * aFastTable,
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PRInt32 aTableSize, bool aErrorSignal);
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/**
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* Create a cache-like fast lookup table from a normal one.
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*/
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static nsresult CreateFastTable(uMappingTable * aMappingTable,
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PRUnichar * aFastTable, PRInt32 aTableSize);
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};
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#endif // nsUnicodeDecodeHelper_h__
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