williamr@2: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: // All rights reserved.
williamr@2: // This component and the accompanying materials are made available
williamr@2: // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
williamr@2: // which accompanies this distribution, and is available
williamr@2: // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2: //
williamr@2: // Initial Contributors:
williamr@2: // Nokia Corporation - initial contribution.
williamr@2: //
williamr@2: // Contributors:
williamr@2: //
williamr@2: // Description:
williamr@2: //
williamr@2: 
williamr@2: #if !defined(__CONVDATA_H__)
williamr@2: #define __CONVDATA_H__
williamr@2: 
williamr@2: /**
williamr@2: @internalComponent
williamr@2: */
williamr@2: struct SCnvConversionData
williamr@2: 	{
williamr@2: /** Specifies the default endian-ness of the current character set. Used by SetDefaultEndiannessOfForeignCharacters(). */
williamr@2: 	enum TEndianness // the values of these *must not* change they are used hard-coded in CNVTOOL.PL
williamr@2: 		{
williamr@2: 		EUnspecified		=0,
williamr@2: 		EFixedLittleEndian	=1,
williamr@2: 		EFixedBigEndian		=2
williamr@2: 		};
williamr@2: 	struct SVariableByteData
williamr@2: 		{
williamr@2: 		struct SRange
williamr@2: 			{
williamr@2: 			TUint8 iFirstInitialByteValueInRange;
williamr@2: 			TUint8 iLastInitialByteValueInRange;
williamr@2: 			TUint8 iNumberOfSubsequentBytes;
williamr@2: 			TUint8 iSpare;
williamr@2: 			};
williamr@2: 		TInt iNumberOfRanges;
williamr@2: 		const SRange* iRangeArray;
williamr@2: 		};
williamr@2: 	struct SOneDirectionData
williamr@2: 		{
williamr@2: 		struct SRange
williamr@2: 			{
williamr@2: 			enum TAlgorithm
williamr@2: 				{
williamr@2: 				// each of these, with the exception of EDirect, has a corresponding member of UData
williamr@2: 				EDirect,
williamr@2: 				EOffset,
williamr@2: 				EIndexedTable16,
williamr@2: 				EKeyedTable1616,
williamr@2: 				EKeyedTable16OfIndexedTables16
williamr@2: 				};
williamr@2: 			union UData
williamr@2: 				{
williamr@2: 				struct SIndexedTable16
williamr@2: 					{
williamr@2: 					struct SEntry
williamr@2: 						{
williamr@2: 						TUint16 iOutputCharacterCode;
williamr@2: 						};
williamr@2: 					const SEntry* iEntryArray;
williamr@2: 					};
williamr@2: 				struct SKeyedTable1616
williamr@2: 					{
williamr@2: 					struct SEntry
williamr@2: 						{
williamr@2: 						TUint16 iKey;
williamr@2: 						TUint16 iOutputCharacterCode;
williamr@2: 						};
williamr@2: 					TInt iNumberOfEntries;
williamr@2: 					const SEntry* iEntryArray;
williamr@2: 					};
williamr@2: 				struct SKeyedTable16OfIndexedTables16
williamr@2: 					{
williamr@2: 					struct SKeyedEntry
williamr@2: 						{
williamr@2: 						TUint16 iFirstInputCharacterCodeInIndexedTable;
williamr@2: 						TUint16 iLastInputCharacterCodeInIndexedTable;
williamr@2: 						const TUint16* iIndexedEntryArray;
williamr@2: 						};
williamr@2: 					TInt iNumberOfKeyedEntries;
williamr@2: 					const SKeyedEntry* iKeyedEntryArray;
williamr@2: 					};
williamr@2: 				TInt iOffset;
williamr@2: 				SIndexedTable16 iIndexedTable16;
williamr@2: 				SKeyedTable1616 iKeyedTable1616;
williamr@2: 				SKeyedTable16OfIndexedTables16 iKeyedTable16OfIndexedTables16;
williamr@2: 				};
williamr@2: 			TUint iFirstInputCharacterCodeInRange;
williamr@2: 			TUint iLastInputCharacterCodeInRange;
williamr@2: 			TUint8 iAlgorithm; // one of the TAlgorithm values
williamr@2: 			TUint8 iSizeOfOutputCharacterCodeInBytesIfForeign; // only used in SCnvConversionData::iUnicodeToForeignData
williamr@2: 			TUint16 iSpare;
williamr@2: #if defined(CONST_STATIC_UNIONS_ARE_POSSIBLE)
williamr@2: 			UData iData;
williamr@2: #else
williamr@2: 			struct
williamr@2: 				{
williamr@2: 				TUint iWord1;
williamr@2: 				TUint iWord2;
williamr@2: 				} iData;
williamr@2: #endif
williamr@2: 			};
williamr@2: 		TInt iNumberOfRanges;
williamr@2: 		const SRange* iRangeArray;
williamr@2: 		};
williamr@2: 	TEndianness iEndiannessOfForeignCharacters;
williamr@2: 	SVariableByteData iForeignVariableByteData;
williamr@2: 	SOneDirectionData iForeignToUnicodeData;
williamr@2: 	SOneDirectionData iUnicodeToForeignData;
williamr@2: 	TAny* iSpareForFutureUse_1;
williamr@2: 	TAny* iSpareForFutureUse_2;
williamr@2: 	};
williamr@2: 
williamr@2: /**
williamr@2: @internalComponent
williamr@2: */
williamr@2: #define UData_SIndexedTable16(a) \
williamr@2: 	reinterpret_cast<TUint>(const_cast<SCnvConversionData::SOneDirectionData::SRange::UData::SIndexedTable16::SEntry*>(a)) 
williamr@2: /**
williamr@2: @internalComponent
williamr@2: */
williamr@2: #define UData_SKeyedTable1616(a) \
williamr@2: 	static_cast<TUint>ARRAY_LENGTH(a), \
williamr@2: 	reinterpret_cast<TUint>(const_cast<SCnvConversionData::SOneDirectionData::SRange::UData::SKeyedTable1616::SEntry*>(a))
williamr@2: /**
williamr@2: @internalComponent
williamr@2: */
williamr@2: #define UData_SKeyedTable16OfIndexedTables16(a)	\
williamr@2: 	static_cast<TUint>ARRAY_LENGTH(a), \
williamr@2: 	reinterpret_cast<TUint>(const_cast<SCnvConversionData::SOneDirectionData::SRange::UData::SKeyedTable16OfIndexedTables16::SKeyedEntry *>(a)) 
williamr@2: 
williamr@2: #endif