Whare can I get this rhino.jar? ----- Original Message ----- From: "Shaun Oliver" <shaun_oliver@xxxxxxxxxxxxxxx> To: <speakup at braille.uwo.ca> Sent: Friday, May 24, 2002 12:49 AM Subject: an interesting idea on how to deal with javascript. dealing with javascript (fwd) > I thought that this might be of interest to some folks here. > > > -- > Shaun Oliver > > Man is the best computer we can put aboard a spacecraft ... and the > > > only one that can be mass produced with unskilled labor. > > > -- Wernher von Braun. > > > email: shaun_oliver at optusnet.com.au > > > icq:76958435 > > ---------- Forwarded message ---------- > Date: Thu, 23 May 2002 08:11:37 -0700 > From: T. V. Raman <raman at cs.cornell.edu> > Reply-To: blinux-list at redhat.com > To: blinux-list at redhat.com > Subject: dealing with javascript > > > If you want to write some code, here is an approach that > will work: > > Basically Javascript of interest does one of 3 things: > > 0) generate content (document.write ) > 1) Provides an event handler e.g. for mouse rollovers etc > --the only handler that is really of interest is the one on > form submit and anchor clicks (href="javascript:") > > 2) These handlers typically show up as JS functions written > by the site author -- and eventually end up calling > window.open or something equivalent like > document.location="url" > > You can handle all of these by essentially running the HTML > page through a JS interpreter and telling the interpreter to > produce HTML with the JS code evaluated > and results spliced back in as HTML. > > Look at rhino.jar for a full JS implementation in Java > --take rhino.jar and write yourself the above interpreter > --if you dont like Java pick your favorite language. > > Finally hook the "interpreter" above > into a proxy server and test it. > the proxy server should run JS enabled WWW pages through > your interpreter. > > If you build this it will work for all browsers. > > >>>>> "RAYNER" == RAYNER Peter <peter.rayner at csiro.au> writes: > > RAYNER> I guess we're all running into problems with > RAYNER> javascript more and more often. I'm wondering > RAYNER> if it's time to put some collective effort into > RAYNER> a solution and, if so, what it might be. The > RAYNER> last time this topic turned up on the emacs-w3 > RAYNER> list, Bill Perry's suggestion was for some kind > RAYNER> of external parser, rather than extending the > RAYNER> capabilities of emacs-w3 itself. The other > RAYNER> alternatives I see are to wait and hope the > RAYNER> netscape accessibility efforts make the problem > RAYNER> go away or to extend the capabilities of some > RAYNER> other access tool. Does anyone have any > RAYNER> suggestions for which alternative might be > RAYNER> preferable? If we do decide on an external > RAYNER> filter what kinds of capabilities must it have? > RAYNER> The few times I've looked inside inaccessible > RAYNER> pages the JS seems to be doing uninteresting > RAYNER> things like drop-down lists which could easily > RAYNER> be handled other ways. But I don't know enough > RAYNER> about the capabilities of javascript to know > RAYNER> what other kinds of events we might have to deal > RAYNER> with. I'm happy to try and hack something > RAYNER> together to do this provided there's a > RAYNER> reasonable chance of success; it's about time I > RAYNER> brushed up my perl anyway. There also look to > RAYNER> be some open-source implementations of > RAYNER> interpretters out there we could possibly modify > RAYNER> for the task. So do people have a view of > RAYNER> whether and how to go forward with this? Any > RAYNER> currently active projects? Other comments > RAYNER> cheers Peter Rayner > > > > RAYNER> _______________________________________________ > RAYNER> Blinux-list mailing list Blinux-list at redhat.com > RAYNER> https://listman.redhat.com/mailman/listinfo/blinux-list > > -- > Best Regards, > --raman > > > Email: raman at cs.cornell.edu > WWW: http://www.cs.cornell.edu/home/raman/ > AIM: TVRaman > PGP: http://www.cs.cornell.edu/home/raman/raman.asc > > > > _______________________________________________ > Blinux-list mailing list > Blinux-list at redhat.com > https://listman.redhat.com/mailman/listinfo/blinux-list > > > _______________________________________________ > Speakup mailing list > Speakup at braille.uwo.ca > http://speech.braille.uwo.ca/mailman/listinfo/speakup >
