----- Original Message -----
From: "Elliotte Rusty Harold" <>
To: "Karl Waclawek" <>
Cc: <>; <>
Sent: Friday, February 27, 2004 7:33 PM
> At 6:43 PM -0500 2/27/04, Karl Waclawek wrote:
>
> >> Even in the indefinite future,. I think the real way to handle this
> >> is a stack of nested exceptions thrown by parse().
> >
> >Would this solve the problem of propagating the error info through
> >a chain of filters?
>
> I think it could. Each layer just catches the exception thrown by the
> underlying layer, wraps it in a new exception, and tosses it to the
> layer above it (unless it wants to fix the problem somehow. Right now
> I'm toying with the idea of an XMLFilter that fixes all the bugs I've
> uncovered in Xerces, including incorrect exception handling.)
I thought of the reverse direction.
How would a filter *down* the chain deal with an "end of parsing"
if it doesn't know why parsing stopped. Was it the end of the document?
Was there an exception? I think someone else pointed that out already,
but I missed the name.
Karl
