Method: FatCore::String#wrap

Defined in:
lib/fat_core/string.rb

#wrap(width = 70, hang = 0) ⇒ String

Return a string wrapped to width characters with lines following the first indented by hang characters.

Returns:

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# File 'lib/fat_core/string.rb', line 51

def wrap(width = 70, hang = 0)
  result = ''
  first_line = true
  first_word_on_line = true
  line_width_so_far = 0
  words = split(' ')
  words.each do |w|
    if !first_line && first_word_on_line
      w = ' ' * hang + w
    end
    unless first_word_on_line
      w = ' ' + w
    end
    result << w
    first_word_on_line = false
    line_width_so_far += 1 + w.length
    if line_width_so_far >= width
      result << "\n"
      line_width_so_far = 0
      first_line = false
      first_word_on_line = true
    end
  end
  result.strip
end