1 /*

     2 * Copyright (c) 1997-2000 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 

    20 #if !defined(__CONVDATA_H__)

    21 #define __CONVDATA_H__

    22 

    23 /**

    24 @internalComponent

    25 */

    26 struct SCnvConversionData

    27 	{

    28 /** Specifies the default endian-ness of the current character set. Used by SetDefaultEndiannessOfForeignCharacters(). */

    29 	enum TEndianness // the values of these *must not* change they are used hard-coded in CNVTOOL.PL

    30 		{

    31 		EUnspecified		=0,

    32 		EFixedLittleEndian	=1,

    33 		EFixedBigEndian		=2

    34 		};

    35 	struct SVariableByteData

    36 		{

    37 		struct SRange

    38 			{

    39 			TUint8 iFirstInitialByteValueInRange;

    40 			TUint8 iLastInitialByteValueInRange;

    41 			TUint8 iNumberOfSubsequentBytes;

    42 			TUint8 iSpare;

    43 			};

    44 		TInt iNumberOfRanges;

    45 		const SRange* iRangeArray;

    46 		};

    47 	struct SOneDirectionData

    48 		{

    49 		struct SRange

    50 			{

    51 			enum TAlgorithm

    52 				{

    53 				// each of these, with the exception of EDirect, has a corresponding member of UData

    54 				EDirect,

    55 				EOffset,

    56 				EIndexedTable16,

    57 				EKeyedTable1616,

    58 				EKeyedTable16OfIndexedTables16

    59 				};

    60 			union UData

    61 				{

    62 				struct SIndexedTable16

    63 					{

    64 					struct SEntry

    65 						{

    66 						TUint16 iOutputCharacterCode;

    67 						};

    68 					const SEntry* iEntryArray;

    69 					};

    70 				struct SKeyedTable1616

    71 					{

    72 					struct SEntry

    73 						{

    74 						TUint16 iKey;

    75 						TUint16 iOutputCharacterCode;

    76 						};

    77 					TInt iNumberOfEntries;

    78 					const SEntry* iEntryArray;

    79 					};

    80 				struct SKeyedTable16OfIndexedTables16

    81 					{

    82 					struct SKeyedEntry

    83 						{

    84 						TUint16 iFirstInputCharacterCodeInIndexedTable;

    85 						TUint16 iLastInputCharacterCodeInIndexedTable;

    86 						const TUint16* iIndexedEntryArray;

    87 						};

    88 					TInt iNumberOfKeyedEntries;

    89 					const SKeyedEntry* iKeyedEntryArray;

    90 					};

    91 				TInt iOffset;

    92 				SIndexedTable16 iIndexedTable16;

    93 				SKeyedTable1616 iKeyedTable1616;

    94 				SKeyedTable16OfIndexedTables16 iKeyedTable16OfIndexedTables16;

    95 				};

    96 			TUint iFirstInputCharacterCodeInRange;

    97 			TUint iLastInputCharacterCodeInRange;

    98 			TUint8 iAlgorithm; // one of the TAlgorithm values

    99 			TUint8 iSizeOfOutputCharacterCodeInBytesIfForeign; // only used in SCnvConversionData::iUnicodeToForeignData

   100 			TUint16 iSpare;

   101 #if defined(CONST_STATIC_UNIONS_ARE_POSSIBLE)

   102 			UData iData;

   103 #else

   104 			struct

   105 				{

   106 				TUint iWord1;

   107 				TUint iWord2;

   108 				} iData;

   109 #endif

   110 			};

   111 		TInt iNumberOfRanges;

   112 		const SRange* iRangeArray;

   113 		};

   114 	TEndianness iEndiannessOfForeignCharacters;

   115 	SVariableByteData iForeignVariableByteData;

   116 	SOneDirectionData iForeignToUnicodeData;

   117 	SOneDirectionData iUnicodeToForeignData;

   118 	TAny* iSpareForFutureUse_1;

   119 	TAny* iSpareForFutureUse_2;

   120 	};

   121 

   122 /**

   123 @internalComponent

   124 */

   125 #define UData_SIndexedTable16(a) \

   126 	reinterpret_cast<TUint>(const_cast<SCnvConversionData::SOneDirectionData::SRange::UData::SIndexedTable16::SEntry*>(a)) 

   127 /**

   128 @internalComponent

   129 */

   130 #define UData_SKeyedTable1616(a) \

   131 	static_cast<TUint>ARRAY_LENGTH(a), \

   132 	reinterpret_cast<TUint>(const_cast<SCnvConversionData::SOneDirectionData::SRange::UData::SKeyedTable1616::SEntry*>(a))

   133 /**

   134 @internalComponent

   135 */

   136 #define UData_SKeyedTable16OfIndexedTables16(a)	\

   137 	static_cast<TUint>ARRAY_LENGTH(a), \

   138 	reinterpret_cast<TUint>(const_cast<SCnvConversionData::SOneDirectionData::SRange::UData::SKeyedTable16OfIndexedTables16::SKeyedEntry *>(a)) 

   139 

   140 #endif

   141