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Re: Streaming XML and SAX

• From: Tom Harding <tomh@t...>
• To: XML-Dev Mailing list <xml-dev@i...>
• Date: Wed, 24 Feb 1999 12:42:01 -0800

David Megginson wrote:

> 1. Use a non-XML mechanism for separating XML packets -- that way,
>    there's not a tight dependency between the stream-handler and the
>    parser (the stream handler knows the bounds of each packet without
>    doing any XML parsing).

What bit sequence would you use as a separator and how would you ensure that no conceivable
encoding would produce it spuriously?


> 2. Separate information about the packages from the packets
>    themselves.  The information could be linear, or it could itself be
>    XML packets of a different sort.  You should not have to parse an
>    entire packet to know its sequencing, etc.

How could you terminate a document with another doc element?  The only thing allowed after all
legitimate Misc markup at the end of a document is more Misc markup.


> Putting a PI in the XML packet itself seems a little awkward to me.

How about thinking of it as a "network-ready" document?  Or if you like, explicitly define a
"packet" as such a document.

Tom Harding



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