From: Dave Thomas <dave@...>
Date: 2004-10-06T11:17:44+09:00
Subject: Re: rdoc and C files again


On Oct 5, 2004, at 16:50, Charles Mills wrote:

> Looks like rdoc doesn't replace tabs in .c files like expected (when 
> using the -w option).
> I added a handle_tab_width() function to parse_c.rb and it seems to 
> work fine.
> Here is the diff <myversion> <1.9version> output:
>
> $ diff parse_c.rb 
> /Users/boson/local/lib/ruby/1.9/rdoc/parsers/parse_c.rb
> 177c177
> <       @body = handle_tab_width(handle_ifdefs_in(body))
> ---
> >       @body = handle_ifdefs_in(body)
> 514,527d513
> <
> <               def handle_tab_width(body)
> <                       if /\t/ =~ body
> <                               tab_str = ' ' * 
> Options.instance.tab_width
> <                               body.gsub(/\t/, tab_str)

This doesn't work if you have

abc<tab>def

That's why we have the somewhat uglier:

> <                               #tab_width = Options.instance.tab_width
> <                               #content = content.split(/\n/).map do 
> |line|
> <                               #1 while line.gsub!(/\t+/) { ' ' * 
> (tab_width*$&.length - $`.length % tab_width)}  && $~ #`
> <                               #       line
> <                               #end .join("\n")
> <                       else


Cheers

Dave