Contents

class String
  # Word wrap a string not exceeding max width.
  #
  #   require 'facet/string/word_wrap'
  #
  #   puts "this is a test".word_wrap(4)
  #
  # _produces_
  #
  #   this
  #   is a
  #   test
  #
  def word_wrap(max=80)
    c = dup
    c.word_wrap!(max)
    c
  end
  
  # Like #word_wrap, but modifies the string in place.
  def word_wrap!(max=80)
    raise ArgumentError, "Wrap margin too low: #{n}" if max <= 2
    #gsub!( Regexp.new( "(.{1,#{max-1}}\\w)\\b\\s*" ), "\\1\n")
    gsub!( /(.{1,#{max-1}}\S)([ ]|\n)/, "\\1\n")
  end
end


=begin
# --- dev test ---

if $0 == __FILE__

s = "PackMule is a rake front-end thisisaverylongwordtoseeifgetsdivededornot"
s << " tool that makes it easy to 'pack-out' your Ruby packages. PackMule can run tests, build"
s << " .tgz and .zip packages, create gem packages, perform a manual"
s << " install, generate rdocs and publish them, and CVS support"
s << " might be added soon."

puts s.word_wrap(60)

end
=end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
facets-0.6.3	lib/facet/string/word_wrap.rb