From: Douglas Shearer <dougal.s@...>
Date: 2007-12-04T04:06:23+09:00
Subject: Redcloth ignore YouTube embeds?

Hi folks.

I'm trying to process blog posts using RedCloth, stripping any html
entered by the user, but leaving <object>, <embed> and <param> tags
untouched.

So far I've tried...

# ========================
require 'rubygems'
require 'redcloth'

t = 'I am a *badger* <object width="425" height="355"><param
name="movie"
value="http://www.youtube.com/v/xyujSekNfsg&rel=1"></param><param
name="wmode" value="transparent"></param><embed
src="http://www.youtube.com/v/xyujSekNfsg&rel=1"
type="application/x-shockwave-flash" wmode="transparent" width="425"
height="355"></embed></object>'

t = t.gsub( /(<object(.|\n)+?<\/object>)/ ,
"<notextile>#{$1}</notextile>")

r = RedCloth.new(t, [:filter_html])
p r.to_html
# ========================

=> "<p>I am a <strong>badger</strong> </p>"

But the object tags are still stripped, as the filter_html ignores the
notextlie tags.

Has anyone done similar to this before, or know how I can add tags to
the ignore list?

Thanks in advance.
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