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/*
* Copyright (C) 2007-2012 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "bu/newline.h"
Bu::NewLine::NewLine( Bu::Stream &rNext ) :
Bu::Filter( rNext ),
bExChar( false )
{
}
Bu::NewLine::~NewLine()
{
}
void Bu::NewLine::start()
{
}
Bu::size Bu::NewLine::stop()
{
return 0;
}
Bu::size Bu::NewLine::read( void *pBufV, Bu::size iAmnt )
{
Bu::size iTotal = 0;
Bu::size iOffset = 0;
Bu::size iRead = rNext.read( pBufV, iAmnt );
char *pBuf = (char *)pBufV;
for( Bu::size i = 0; i < iRead; i++ )
{
if( pBuf[i] == '\r' )
{
pBuf[i+iOffset] = '\n';
if( pBuf[i+1] == '\n' )
{
iOffset--;
}
}
else if( pBuf[i] == '\n' )
{
pBuf[i+iOffset] = '\n';
if( pBuf[i+1] == '\r' )
{
iOffset--;
}
}
else if( iOffset )
{
pBuf[i+iOffset] = pBuf[i];
}
}
iTotal += iRead + iOffset;
return iTotal;
}
Bu::size Bu::NewLine::write( const void *, Bu::size )
{
return 0;
}
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