Bug: NoMethodError: private method `gsub' called for nil:NilClass

[Jason Garber]

I copied it into a Lighthouse ticket.  Thanks for reporting the bug

http://jgarber.lighthouseapp.com/projects/13054-redcloth/tickets/200-nil-gsub-when-img-with-src-and-filter_html-is-on

On Tue, Dec 4, 2007 at 9:05 AM, Douglas F Shearer <dougal.s at gmail.com>wrote:

> Hi there.
>
> I'm using RedCloth as part of a social network's blog system.
>
> I came across the following bug when an img tag with the src attribute
> is inputted, and filter_html is set to true.
>
> I have pasted the code sample below.
>
>  >> require 'RubyGems'
> => true
>  >> require 'RedCloth'
> => true
>  >> RedCloth.new('<img src="">',[:filter_html]).to_html
> NoMethodError: private method `gsub' called for nil:NilClass
>        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/
> ruby/gems/1.8/gems/RedCloth-3.0.4/lib/RedCloth.rb:1118:in `clean_html'
>        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/
> ruby/gems/1.8/gems/RedCloth-3.0.4/lib/RedCloth.rb:1113:in `each'
>        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/
> ruby/gems/1.8/gems/RedCloth-3.0.4/lib/RedCloth.rb:1113:in `clean_html'
>        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/
> ruby/gems/1.8/gems/RedCloth-3.0.4/lib/RedCloth.rb:1112:in `each'
>        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/
> ruby/gems/1.8/gems/RedCloth-3.0.4/lib/RedCloth.rb:1112:in `clean_html'
>        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/
> ruby/gems/1.8/gems/RedCloth-3.0.4/lib/RedCloth.rb:1107:in `gsub!'
>        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/
> ruby/gems/1.8/gems/RedCloth-3.0.4/lib/RedCloth.rb:1107:in `clean_html'
>        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/
> ruby/gems/1.8/gems/RedCloth-3.0.4/lib/RedCloth.rb:310:in `to_html'
>        from (irb):3
>  >>
>
> Thanks.
>
> Douglas F Shearer
> dougal.s at gmail.com
> http://douglasfshearer.com
>
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>
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