On September 13, 2002 at 02:55, Mooffie wrote:
> > This relates to the TODO item of having
> > chained filters.
>
> Chained? You mean that they'll run one after the other?
>
> If you examine a filter in HSMA, you'll see that its structure is:
>
> sub my_new_HTML_filter {
> # 1. do some processing...
> # 2. call MHA's HTML filter
> # 3. do some more processing...
> }
>
> And this looks more usefull than a simple chain.
What you have is kind of a chain, but nothing prevents what you
currently have. The chain filters would be something similiar
to how the Apache API works. Therefore, you could register pre-
and post-filter. For example, I could register a pre-filter for
text/* types that converts all text to a single character encoding,
or does some input error correction before the data is passed to the
main filter.
--ewh
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