--- a/secureswitools/swisistools/source/rscparser/dictionarycompression.cpp	Tue Aug 31 15:21:33 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,170 +0,0 @@
-// Copyright (c) 2010 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:
-// dictionarycompression.cpp
-//
-/** 
-* @file dictionarycompression.cpp
-*
-* @internalComponent
-* @released
-*/
-
-#include "dictionarycompression.h"
-
-RDictionaryCompressionBitStream::RDictionaryCompressionBitStream() :
-	iNumberOfBitsUsedForDictionaryTokens(0),
-	iOffsetToFirstBit(-1),
-	iOffsetToCurrentBit(-1),
-	iOffsetOnePastLastBit(-1),
-	iOwnsBitBuffer(false),
-	iBuffer(NULL)
-	{
-	}
-
-void RDictionaryCompressionBitStream::OpenL(
-				TInt aNumberOfBitsUsedForDictionaryTokens,
-				TInt aOffsetToFirstBit,
-				TInt aOffsetOnePastLastBit,
-				TBool aTransferringOwnershipOfBuffer,
-				TUint8* aBuffer)
-	{
-	iNumberOfBitsUsedForDictionaryTokens = aNumberOfBitsUsedForDictionaryTokens;
-	iOffsetToFirstBit = aOffsetToFirstBit;
-	iOffsetToCurrentBit = aOffsetToFirstBit;
-	iOffsetOnePastLastBit = aOffsetOnePastLastBit;
-	iOwnsBitBuffer = aTransferringOwnershipOfBuffer;
-	iBuffer = aBuffer;
-
-	assert(aBuffer!=NULL);
-	assert(aOffsetToFirstBit >= 0);
-	assert(aOffsetToFirstBit<=aOffsetOnePastLastBit);
-	}
-
-void RDictionaryCompressionBitStream::Close()
-	{
-	if (iOwnsBitBuffer)
-		{
-		iOwnsBitBuffer=EFalse;
-		delete [] iBuffer;
-		}
-	iBuffer=NULL;
-	}
-
-TBool RDictionaryCompressionBitStream::EndOfStreamL() const
-	{
-	assert(iBuffer!=NULL);
-	assert(iOffsetToFirstBit >= 0);
-	assert(iOffsetToCurrentBit>=iOffsetToFirstBit);
-	assert(iOffsetToCurrentBit<=iOffsetOnePastLastBit);
-	return iOffsetToCurrentBit>=iOffsetOnePastLastBit;
-	}
-
-TInt RDictionaryCompressionBitStream::IndexOfDictionaryEntryL()
-	{
-	// increments the current bit-position if it returns a value >=0; returns KErrNotFound if the next thing in the stream is plain data rather than the index of a dictionary entry
-	assert(iBuffer!=NULL);
-	assert(!EndOfStreamL());
-	if (!CurrentBitIsOn())
-		{
-		++iOffsetToCurrentBit;
-		return ReadIntegerL(iNumberOfBitsUsedForDictionaryTokens);
-		}
-	return KErrNotFound;
-	}
-
-void RDictionaryCompressionBitStream::ReadL(Ptr8 aBufferToAppendTo,TBool aCalypsoFileFormat)
-	{
-	// can only be called if IndexOfDictionaryEntry returned a negative value
-	assert(iBuffer!=NULL);
-	assert(!EndOfStreamL());
-	TInt numberOfConsecutivePrefixBits=0;
-	TInt i;
-	for (i=0; i<4; ++i)
-		{
-		const TBool currentBitIsOn=CurrentBitIsOn();
-		++iOffsetToCurrentBit; // increment this regardless whether the current bit is on
-		if (!currentBitIsOn)
-			{
-			break;
-			}
-		++numberOfConsecutivePrefixBits;
-		}
-	assert(numberOfConsecutivePrefixBits>0);
-	assert(numberOfConsecutivePrefixBits<=4);
-	TInt numberOfBytesToRead = numberOfConsecutivePrefixBits;
-	if (numberOfConsecutivePrefixBits==3)
-		{
-		numberOfBytesToRead=3+ReadIntegerL(3);
-		}
-	else if (numberOfConsecutivePrefixBits==4)
-		{
-		numberOfBytesToRead=ReadIntegerL(8);
-		if (!aCalypsoFileFormat)
-			{
-			numberOfBytesToRead+=3+(1<<3);
-			}
-		}
-
-	const TInt numberOfBitsOffByteBoundary=iOffsetToCurrentBit%8;
-	const TUint8* currentByte=iBuffer+(iOffsetToCurrentBit/8);
-	assert((numberOfBytesToRead + aBufferToAppendTo.GetLength()) <= aBufferToAppendTo.GetMaxLength());
-	for (i=0; i<numberOfBytesToRead; ++i, ++currentByte)
-		{
-		TUint byte=*currentByte;
-		assert(numberOfBitsOffByteBoundary>=0);
-		if (numberOfBitsOffByteBoundary>0)
-			{
-			byte>>=numberOfBitsOffByteBoundary;
-			byte|=(*(currentByte+1)<<(8-numberOfBitsOffByteBoundary));
-			byte&=0xff;
-			}
-		aBufferToAppendTo.Append(byte,1);
-		}
-	iOffsetToCurrentBit+=numberOfBytesToRead*8;
-	assert(numberOfBitsOffByteBoundary==iOffsetToCurrentBit%8);
-	}
-
-TBool RDictionaryCompressionBitStream::CurrentBitIsOn() const
-	{
-	// does not increment the current bit-position
-	assert(iBuffer!=NULL);
-	return iBuffer[iOffsetToCurrentBit/8]&(1<<(iOffsetToCurrentBit%8));
-	}
-
-TUint RDictionaryCompressionBitStream::ReadIntegerL(TInt aNumberOfBits)
-	{
-	// increments the current bit-position
-	assert(iBuffer!=NULL);
-	TInt integer=0;
-	TInt numberOfBitsLeftToRead=aNumberOfBits;
-//	FOREVER
-	while(1)
-		{
-		const TInt offsetToFirstBitToReadInCurrentByte=iOffsetToCurrentBit%8;
-		const TInt offsetOnePastLastBitToReadInCurrentByte=Min(8,offsetToFirstBitToReadInCurrentByte+numberOfBitsLeftToRead);
-		const TInt numberOfBitsReadFromCurrentByte=offsetOnePastLastBitToReadInCurrentByte-offsetToFirstBitToReadInCurrentByte;
-		assert(numberOfBitsReadFromCurrentByte>0);
-		const TUint bitsReadFromCurrentByte=((iBuffer[iOffsetToCurrentBit/8]>>offsetToFirstBitToReadInCurrentByte)&((1<<numberOfBitsReadFromCurrentByte)-1));
-		integer|=(bitsReadFromCurrentByte<<(aNumberOfBits-numberOfBitsLeftToRead));
-		iOffsetToCurrentBit+=numberOfBitsReadFromCurrentByte;
-		numberOfBitsLeftToRead-=numberOfBitsReadFromCurrentByte;
-		assert(numberOfBitsLeftToRead>=0);
-		if (numberOfBitsLeftToRead<=0)
-			{
-			break;
-			}
-		}
-	return integer;
-	}
-