williamr@2: // Copyright (c) 2003-2009 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: #ifndef __CHARSETCONVERTER_H__
williamr@2: #define __CHARSETCONVERTER_H__
williamr@2: 
williamr@2: #include <f32file.h>
williamr@2: 
williamr@2: class CCnvCharacterSetConverter;
williamr@2: 
williamr@2: namespace Xml
williamr@2: {
williamr@2: 
williamr@2: /**
williamr@2: The CCharSetConverter class supplies algorithms for character conversion
williamr@2: between a chosen character set and unicode. Memory management
williamr@2: needed to hold the converted data is also handled.
williamr@2: 
williamr@2: @see CCnvCharacterSetConverter
williamr@2: @see CnvUtfConverter
williamr@2: @see MParser
williamr@2: 
williamr@2: @publishedPartner
williamr@2: @released
williamr@2: */
williamr@2: class CCharSetConverter : public CBase
williamr@2: 	{
williamr@2: public:
williamr@2: 
williamr@2: 	static CCharSetConverter* NewL();
williamr@2: 	virtual ~CCharSetConverter();
williamr@2: 
williamr@2: 	IMPORT_C void PrepareCharConvL(TUint& aCharSetUid, const TDesC8& aEncoding);
williamr@2: 	IMPORT_C void PrepareCharConvL(TUint& aCharSetUid, TInt aMibEnum);
williamr@2: 
williamr@2: 	IMPORT_C TInt ConvertToUnicodeL(TUint32 aSrcCharset, const TDesC8& aInputBuffer, 
williamr@2: 		                            HBufC16*& aUnicodeConversion);
williamr@2: 	IMPORT_C TInt ConvertFromUnicodeL(const TDesC16& aUnicodeConversion, TUint32 aDestCharset, 
williamr@2: 		                              HBufC8*& aOutputBuffer);
williamr@2: 	IMPORT_C void PrepareToConvertToOrFromL(TUint32 aCharSetUid);
williamr@2: 	IMPORT_C TInt ConvertUcs4CharactersToEncodingL(TUint32* aUcs4Src, TInt aUcs4Count, 
williamr@2: 		                                           TUint32 aDestCharset, HBufC8*& aConversion);
williamr@2: 	IMPORT_C void ConvertCharacterSetIdentifierToStandardNameL(TUint32 aCharSetUid, HBufC8*& aCharSet);
williamr@2: 	
williamr@2: 	IMPORT_C TInt ConvertToUnicodeL(TUint32 aSrcCharset, const TDesC8& aInputBuffer, TPtr16& aOutput);
williamr@2: 	IMPORT_C TInt ConvertFromUnicodeL(const TDesC16& aUnicodeConversion, TUint32 aDestCharset, TPtr8& aOutput);
williamr@2: 		
williamr@2: private:
williamr@2: 
williamr@2: 	CCharSetConverter();
williamr@2: 	CCharSetConverter(const CCharSetConverter& aOriginal);
williamr@2: 	CCharSetConverter& operator=(const CCharSetConverter& aRhs);
williamr@2: 	
williamr@2: 	void ConstructL();
williamr@2: 
williamr@2: 	TText16* Utf32ToUtf16(TText16* aUtf16Out, TUint32 aUtf32);
williamr@2: 
williamr@2: private:
williamr@2: 
williamr@2: /**
williamr@2: The CharConv instance that we use to help in the character conversions.
williamr@2: */
williamr@2: 	CCnvCharacterSetConverter* iCnvCharacterSetConverter;
williamr@2: 
williamr@2: /**
williamr@2: The File Server session handle.
williamr@2: */
williamr@2: 	RFs iFs;
williamr@2: 	
williamr@2: /**	
williamr@2: The buffer used to store the unicode conversion output.
williamr@2: */
williamr@2: 	TAny* iConversionBuffer;
williamr@2: 
williamr@2: /**	
williamr@2: The size of the unicode conversion buffer.
williamr@2: */
williamr@2: 	TUint32 iConversionBufferSize;
williamr@2: 	};
williamr@2: }
williamr@2: 
williamr@2: 
williamr@2: #endif //__CHARSETCONVERTER_H__