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filter to strip presentation tags - Printable Version

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- jardokraka - Apr. 01, 2004 06:30 PM

Hello:


could anyone please help me solve this task.

this is what is needed:

1) see if the URL matches a list of URLs in, say, restyle.txt;

2) if yes, strip all presentation markup;

3) display page according the stylesheet in, say, restyle.css


nothing fancy there. i'd just like to see certain pages in a better
format. something like verdana / tahoma, in black, against some
light-creme or gray background.

i'm sure some people have this covered in their setups.


thanks in advance.

marc

- ProxRocks - Apr. 01, 2004 07:43 PM

Not sure how 'effective' that would be...
For one, the "names" of the CSS-based line-items would need to be identical for every page in your .txt list of sites...

Below is a small portion of a .css style sheet open in another window at this very moment...

Code:
.fHL {font-size:12pt; font-family:Arial}
.fBT {font-size:12pt; font-family:Arial; font-weight:bold}
.fFP {font-size: 90%; font-family:ms sans serif,helvetica; font-weight:normal}
.fFL {font-size: 90%; color:#AAA5A3; font-family:ms sans serif,helvetica; font-weight:normal}
.fRC {color:#CC0000; font-size: 11px; font-family:verdana,helvetica; font-weight:bold}
.fCC {font-size: 11px; font-family:arial}
.fHT {font-size: 11px; font-family:arial; font-weight:bold}
.fOH {font-size: 11px; font-family:verdana,helvetica}
.fTT {font-weight:normal; font-size: 90%; font-family:ms sans serif,helvetica}.fSB {font-size:14px; font-family:verdana,helvetica,sans-serif; font-weight:bold; color:#000000}
.fST {font-size:14px; font-family:verdana,helvetica,sans-serif;}
.fLT {font-size: 11px; font-family:verdana,helvetica,sans-serif;}
.fLTW {font-size: 11px; font-family:verdana,helvetica,sans-serif; color: white; text-decoration:none; }
.fLB {font-size: 11px; font-family:verdana,helvetica,sans-serif; font-weight:bold;}
.fTH {font-size:11pt; font-family:verdana,helvetica,sans-serif; font-weight:bold;}
.fMH {font-size: 11px; font-family:verdana,helvetica,sans-serif; font-weight:bold;}

Sure, you can replace "their" style sheet with one of your own, but you need to keep all of the "names" the same for them to be 'applied' to the page...

I can insert that above .css into EVERY page that I visit, but if none of those pages "reference" fCC (number 6 in the above .css), then NOTHING will happen on the page that I inserted that .css into...

Sure, there are "fixes"...
I insert a .css into EVERY page that defines link formatting for visited links, .pdf links, .gif and .jpg links, javascript links, and mailto: links...

And then I disable all .css style sheets...

Or I use a "zap presentational html" bookmarklet that proves quite effective...

- jardokraka - Apr. 01, 2004 07:51 PM

i understand. but there're simpler cases. like, say, a given page is formated with font tags. i presume some filter might strip this inline formatting, and then reapply a user-defined stylesheet to the background, p, h1-h6, and links.

am i wrong?

- ProxRocks - Apr. 01, 2004 08:47 PM

Sounds do-able, yes...

I guess I'd have to see the actual .css (and web page) to really know for sure...

Perhaps just insert your own .css into every page that defines links, p, h1-h6, and background as "!important;"...

- sidki3003 - Apr. 01, 2004 09:08 PM

What i'm doing is just blocking all original external stylesheets ...
Code:
[Patterns]
Name = "<link>: Cancel Styles on sel. Sites"
Active = TRUE
URL = "$TYPE(htm)$LST(foo)"
Bounds = "<link\s*>"
Limit = 256
Match = "(*rel=)\1$AV(stylesheet)\2"
Replace = "\1"alternate stylesheet"\2"
... and injecting my one.
I didn't need to remove the <style> blocks yet but that is probably easy: bounds=$NEST(<style,</style >) match=*.
I wouldn't bother about the other smallish style tags and attributes, unless they actually disturb the page layout *after* applying my user CSS.

sidki

- jardokraka - Apr. 01, 2004 10:28 PM

sidki, i just checked out quickly your config, and well, yes, the stylesheet substitution feature is what i needed.

now Smile!, i have been using JD's advanced config for ages, and i'm not ready / willing (as of yet) to switch to a different config. if you could help incorporate the restyling feature into JD's advanced?

i can't figure out exactly what rule to copy from your config.

thanks so much in advance.

- ProxRocks - Apr. 01, 2004 10:37 PM

JD_Advanced already "inserts" a pre-defined .css script to every page...

Just edit JD's "prox-links.css" to incorporate the .css inclusions you are attempting to implement...

- jardokraka - Apr. 01, 2004 11:06 PM

thing is, i want the changes to affect only the sites listed in restyle.txt - not _every_ page.

- JD5000 - Apr. 01, 2004 11:19 PM

You can add that filter to my set, just add it and create the new list. Look in the Proxo helps files on how to create a list. Smile!

~JD

- jardokraka - Apr. 01, 2004 11:23 PM

JD5000, what filter exactly are you referring to? the stylesheets must also go to some folder. which one?

thanks.

- JD5000 - Apr. 01, 2004 11:30 PM

Based on sidki's, I would think...

Code:
[Patterns]
Name = "<link>: Cancel Styles on sel. Sites"
Active = TRUE
URL = "$LST(CustomCSS)$TYPE(htm)"
Bounds = "<link\s*>"
Limit = 256
Match = "*rel=$AV(stylesheet)*"
Replace = "<link type="text/css" rel="stylesheet" href="http://local.ptron/CustomCSS/Custom.css" />    "


Then the stylesheets would go in the html folder.

<prox dir>/html/CustomCSS/Custom.css

HTH

~JD

- JD5000 - Apr. 01, 2004 11:35 PM

Sidki, just reminded me. If they have more then one CSS file (Alternate displays), yours will be injected more then once.

- jardokraka - Apr. 01, 2004 11:35 PM

thanks, JD5000. in sidki's config it's handled in a rather cool way - i can assign a particular CSS to each given site:

Code:
# use a local stylesheet      $SET(usercss=CSS_NAME)
# CSS_NAME can be one of the 3 included W3C Core Styles:
# chocolate, oldstyle, or steely-mod
# -----------------------------------------------------------------------------
white.sakura.ne.jp/~piro/      $SET(usercss=chocolate)

how could i achive the same effect with your config?

thanks so much.

- JD5000 - Apr. 01, 2004 11:37 PM

Can't be done right now. In the new set, should be able to do it the same way. Smile!

- jardokraka - Apr. 02, 2004 12:10 AM

ok, let's see what i did and where it went wrong.

[ i am modifying JD_advanced config. ]

1) created a list named CustomCSS.txt, added this line there -

Code:
http://www.geocities.com/srl_list/

and put it into <prox dir>/Lists/JD_Lists/Misc Lists/

so the path to the newly created list is -

<prox dir>/Lists/JD_Lists/Misc Lists/CustomCSS.txt

great.

2) added the list to proxomitron's lists through configure > block lists > add. the list is called "CustomCSS".

3) inserted the code supploed by JD5000 earlier in this thread

Code:
[Patterns]
Name = "<link>: Cancel Styles on sel. Sites"
Active = TRUE
URL = "$LST(CustomCSS)$TYPE(htm)"
Bounds = "<link\s*>"
Limit = 256
Match = "*rel=$AV(stylesheet)*"
Replace = "<link type="text/css" rel="stylesheet" href="http://local.ptron/CustomCSS/Custom.css" /> "

saved default config. reloaded proxomitron. cleared cache.

went to http://www.geocities.com/srl_list/index.html - no changes.

where did i go wrong?

thanks so much.