Re: memory stream parsing

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Article #6418

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#6418

From: Remy Lebeau (TeamB)
Date: Mon, 16 May 2005 17:12

40 lines
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"Vladimir Stefanovic" <antivari@po.sbb.co.yu> wrote in message
news:4287a0a4$1@newsgroups.borland.com...

> // UNTESTED !!!

You don't need a second stream, you can modify the source stream's data
directly, ie:

    {
        TMemoryStream *MS = new TMemoryStream;
        // fill stream as needed...

        LPBYTE Original = static_cast<LPBYTE>(MS->Memory);
        LPBYTE Ptr = Original;
        LPBYTE End = (Original + MS->Size);

        while( Ptr < End )
        {
            if( IS_CR_OR_LF(*Ptr) )
            {
                LPBYTE Temp = (Ptr + 1);
                while( (Temp < End) && IS_CR_OR_LF(*Temp) )
                    ++Temp;

                ::MoveMemory(Ptr, Temp, End - Temp);
                End -= (Temp - Ptr);
            }
            else
                ++Ptr;
        }

        MS->Size = (End - Original);
        // use new stream data as needed...

        delete MS;
    }


Gambit

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Subject: Re: memory stream parsing
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