Re: [xml] Problems with realtime XML processing using xmlreader interface

[Daniel Veillard <veillard redhat com>]

On Mon, May 26, 2003 at 09:57:40AM +0200, Jacek Konieczny wrote:
> The first is that the xmlreader interface is broken when used to process
> XML streams as they come. The Expand function assumes a node is fully
> read, when it finds the next node instead of waiting just for the end of

  It's not broken, it's Expand semantic. For Jabber like applications
use the Next() interface !

> This fixes the libxml2 library, but the python bindings are also broken 
> - high-level IO routines are used (like C fopen()) which block when all
> requested data is not available. So even when whole node is available on 
> input stream it will be not processed unless whole chunk is read. But

  Right it's a performance trade-off, a flush kind of interface would be
neeeded.

> the node usually is shorter than a chunk. This is also reported in
> bugzilla: http://bugzilla.gnome.org/show_bug.cgi?id=113578
> The bug report also contains a simple workaround.
>
> The patch and the workaround together fix all the "blocking" problems
> for me. I hope some solution will be included in the next official
> libxml2 release.

  I will look at it, but without adding an interface I don't see how
this could be fixed in a correct way.

Daniel

-- 
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