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List:       privoxy-developers
Subject:    Re: [privoxy-devel] New Tags Feature
From:       Fabian Keil <freebsd-listen () fabiankeil ! de>
Date:       2007-04-17 18:53:09
Message-ID: 20070417205309.38ef1ced () localhost
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Fabian Keil <freebsd-listen@fabiankeil.de> wrote:

> Currently tagging works like this:
> 
>  1 Privoxy receives the request from the client
>  2 The action settings are initialised based on the URL patterns
>  3 The client-header taggers are executed
>  4 The action settings are updated base on the tags
>  5 The client-header filters are executed.
>  6 Privoxy checks if the request has to be crunched
>  7 The request is forwarded to the server
>  8 The server-header taggers are executed
>  9 The action settings are updated again
> 10 The server-header filters are executed
> 11 The content filters are executed

That's no longer true, the action bits are now also
updated directly after a new tag is set. As a result,
this limitation is gone:
 
> One also can't enable taggers based on tags created by
> the same type, because the client-header taggers work with
> the action settings based on step 2 only, and the
> server-header taggers with the ones from step 2 and 4.
> Changing this wouldn't be a big deal, but so far I didn't
> see the need.

The main reason was that updating the action bits
directly allows Privoxy to give feedback whether
or not a tag activated one or more tag-pattern sections.

Fabian

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