diff -r 000000000000 -r 2e3d3ce01487 filehandling/htmltorichtextconverter/inc/CHtmlToCrtConvBuffer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/filehandling/htmltorichtextconverter/inc/CHtmlToCrtConvBuffer.h Tue Feb 02 10:12:00 2010 +0200 @@ -0,0 +1,67 @@ +// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// + +#include +#include +#include +#include + +class CHtmlToCrtConvBuffer : public CBase + { + public: + static CHtmlToCrtConvBuffer* NewL(const TDesC& aFile, RFs& aFsSession, CCnvCharacterSetConverter& aCnvCharacterSetConverter); + ~CHtmlToCrtConvBuffer(); + + /** + @fn TBool ReadCharacterL(TChar& aCharacter, TInt& aBufferPosition, TBool& aEndOfBuffer) + Intended Usage : gets next character from the file + @param aCharacter the character which was read + @param aBufferPosition the current buffer position + @param aEndOfBuffer ETrue if end of buffer reached, else EFalse + @return TBool ETrue if character read, else EFalse + */ + TBool ReadCharacterL(TChar& aCharacter, TInt& aBufferPosition, TBool& aEndOfBuffer); + void GetPartOfBufferL(TPtrC16& aPartOfBuffer, TInt aStartPosition, TInt aEndPosition) const; + void GetToEndOfBufferL(TPtrC16& aPartOfBuffer, TInt aStartPosition) const; + /** + @fn GetSampleOfTextFromFileL(TDes8& aSample, TInt aLength, TInt aOffset) + Intended Usage : reads the specified number of characters from the file at a specified offset + @param aSample descriptor into which characters are read + @param aLength number of characters to be read + @param aOffset offset from start of file + @return void + */ + void GetSampleOfTextFromFileL(TDes8& aSample, TInt aLength, TInt aOffset); + void ResetL(); + + private: + CHtmlToCrtConvBuffer(CCnvCharacterSetConverter& aCnvCharacterSetConverter); + void ConstructL(const TDesC& aFile, RFs& aFsSession); + /** + @fn TBool FillBufferL() + Intended Usage : used to read characters from the file into the buffer + @return TBool EFalse if no characters read from file, else Etrue + */ + TBool FillBufferL(); + void DoConvertBufferL(TPtr8& aSourcePtr, TPtr16& aUnicodePtr, TInt& aLength, TBool& aEndOfFile); + + private: + CCnvCharacterSetConverter& iCnvCharacterSetConverter; + TInt iState; + RFile iFile; + HBufC8* iSourceBuffer; + HBufC16* iUnicodeBuffer; + TInt iBufferPosition; + };