Some Improvements on Adblocker

[David Faure]

On Sunday 08 October 2006 12:13, Philipp Hülsdunk wrote:
> I am trying now to make my idea clear.
> My Idea of ad blocker contains two parts.
> The first part is a block-list: It contains regular expressions of sources of 
> imgaes. If one regular expression matches to the a source of an image that 
> image will not be shown. This part is already in khtml implemented. It is the 
> current ad blocker.
> My second part of my idea is to search the html code with regular expressions 
> and to replace it by regular expressions. These find and replace expressions 
> are stored in a list. This part allows to remove java script ads too.
> It works should wor like Proxomitron or Privoxy.
> Look here to know about 
> Proxomitron "http://en.wikipedia.org/wiki/Proxomitron".
> What I need to implement this is to have direct access to the html code and to 
> manipulate. So could somebody tell me how can I do this. I do not know much 
> of khtml and its functions.

The text comes to khtml in KHTMLPart::write() but that's probably too early to
filter it; it needs to be converted to the right encoding first... Better add your hooks
into Tokenizer::write which is called by khtmlpart. Make sure to make it fast though,
this is speed-critical code...

-- 
David Faure, faure at kde.org, sponsored by Trolltech to work on KDE,
Konqueror (http://www.konqueror.org), and KOffice (http://www.koffice.org).