michael@0: /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef nsUnicodeDecodeHelper_h__
michael@0: #define nsUnicodeDecodeHelper_h__
michael@0: 
michael@0: #include "nsError.h"
michael@0: #include "uconvutil.h"
michael@0: //----------------------------------------------------------------------
michael@0: // Class nsUnicodeDecodeHelper [declaration]
michael@0: 
michael@0: /**
michael@0:  *
michael@0:  * @created         18/Mar/1998
michael@0:  * @author  Catalin Rotaru [CATA]
michael@0:  */
michael@0: class nsUnicodeDecodeHelper
michael@0: {
michael@0: public:
michael@0:   /**
michael@0:    * Converts data using a lookup table and optional shift table
michael@0:    */
michael@0:   static nsresult ConvertByTable(const char * aSrc, int32_t * aSrcLength, 
michael@0:                                  char16_t * aDest, int32_t * aDestLength,
michael@0:                                  uScanClassID aScanClass,
michael@0:                                  uShiftInTable * aShiftInTable,
michael@0:                                  uMappingTable  * aMappingTable,
michael@0:                                  bool aErrorSignal = false);
michael@0: 
michael@0:   /**
michael@0:    * Converts data using a set of lookup tables.
michael@0:    */
michael@0:   static nsresult ConvertByMultiTable(const char * aSrc, int32_t * aSrcLength,
michael@0:       char16_t * aDest, int32_t * aDestLength, int32_t aTableCount, 
michael@0:       const uRange * aRangeArray, uScanClassID * aScanClassArray,
michael@0:       uMappingTable ** aMappingTable, bool aErrorSignal = false);
michael@0: 
michael@0:   /**
michael@0:    * Converts data using a fast lookup table.
michael@0:    */
michael@0:   static nsresult ConvertByFastTable(const char * aSrc, int32_t * aSrcLength, 
michael@0:       char16_t * aDest, int32_t * aDestLength, const char16_t * aFastTable, 
michael@0:       int32_t aTableSize, bool aErrorSignal);
michael@0: 
michael@0:   /**
michael@0:    * Create a cache-like fast lookup table from a normal one.
michael@0:    */
michael@0:   static nsresult CreateFastTable(uMappingTable * aMappingTable,
michael@0:       char16_t * aFastTable,  int32_t aTableSize);
michael@0: };
michael@0: 
michael@0: #endif // nsUnicodeDecodeHelper_h__
michael@0: 
michael@0: