From: Erik Veenstra <pan@...>
Date: 2005-08-07T20:26:08+09:00
Subject: Re: Unpack binary files.

> I think you should reformat gpl.txt in a text editor so that
> it's exactly the way you want it to look. Then display your
> new file in the widget ??
>
> Otherwise you will be writing a text formatter ;)

I've once written this String#reformat. It might help you. I
added a test to the script.

gegroet,
Erik V. - http://www.erikveen.dds.nl/

----------------------------------------------------------------

 class String
   def wrap(width, prefix="", prefixoneveryline=true)
     prefix      = prefix.to_s
     text        = self.to_s
     res         = []

     while not text.empty?
       line      = text[0..width-2-prefix.length]
       line      = text.gsub(/ .*/, "")          unless line.include?(" ")
       line      = line.gsub(/ [^ ]*$/, "")      unless line == text or text[line.length..-1] =~ /^ /

       res << prefix + line

       prefix    = prefix.gsub(/./, " ")        unless prefixoneveryline
       text      = text[line.length..-1]
       text      = text.gsub(/^ /, "")
     end

     text        = res.join("\n")
   end

   def reformat(width, prefix="", prefixoneveryline=true)
     paragraphs = self.split(/\s*\r*\n\r*\n[\r\n]*\s*/)
     paragraphs.collect! do |paragraph|
       paragraph.gsub!(/^[\r\n\s]+/, "")
       paragraph.gsub!(/[\r\n\s]+$/, "")
       paragraph.gsub!(/[\r\n\s]+/, " ")
       paragraph.wrap(width, prefix, prefixoneveryline)
     end
     paragraphs.join("\n\n")
   end
 end

 text   = DATA.read

 puts text.reformat(55, "# ")

__END__

Version 2, June 1991

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