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56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsUnicodeDecodeHelper_h__
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#define nsUnicodeDecodeHelper_h__
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#include "nsError.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, int32_t * aSrcLength,
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char16_t * aDest, int32_t * 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, int32_t * aSrcLength,
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char16_t * aDest, int32_t * aDestLength, int32_t 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, int32_t * aSrcLength,
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char16_t * aDest, int32_t * aDestLength, const char16_t * aFastTable,
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int32_t 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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char16_t * aFastTable, int32_t aTableSize);
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};
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#endif // nsUnicodeDecodeHelper_h__
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