Module: Roebe::WordWrap

Defined in:
lib/roebe/classes/word_wrap.rb

Overview

Roebe::WordWrap

Constant Summary collapse

N_CHARACTERS_LIMIT =
#

N_CHARACTERS_LIMIT

Specify the default line width here.

#
80

Class Method Summary collapse

Class Method Details

.[](i, n_characters_limit = :default) ⇒ Object

#

Roebe::WordWrap[]

#


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# File 'lib/roebe/classes/word_wrap.rb', line 29

def self.[](
    i, n_characters_limit = :default
  )
  case n_characters_limit
  # ======================================================================= #
  # === :default
  # ======================================================================= #
  when :default
    n_characters_limit = N_CHARACTERS_LIMIT
  end
  if i.is_a? Array
    i.flatten!
    if File.exist?(i.first) # Handle existing files here.
      i = File.readlines(i.first)
    end
  end
  i = i.join("\n") if i.is_a? Array
  begin
    i.gsub!(/(.{1,#{n_characters_limit}})(\s+|$)/, "\\1\n")
  rescue ArgumentError => error
    p error
  end
  return i
end