Class: Text::Reform::BreakAt

Inherits:
Object
  • Object
show all
Defined in:
lib/text/reform.rb

Instance Method Summary collapse

Constructor Details

#initialize(hyphen) ⇒ BreakAt

Returns a new instance of BreakAt.



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# File 'lib/text/reform.rb', line 1470

def initialize hyphen
  @hyphen = hyphen
end

Instance Method Details

#break(str, initial_max_length, total_width) ⇒ Object

Break by inserting a hyphen string.

initial_max_length

The maximum size of the first part of the word that will remain on the first line.

total_width

The total width that can be appended to this first line.



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# File 'lib/text/reform.rb', line 1480

def break(str, initial_max_length, total_width)
  max = total_width - @hyphen.length
  if max <= 0
    ret = [str[0, 1], str[1, -1]]
  elsif str =~ /(.{1,#{max}}#@hyphen)(.*)/s
    ret = [ $1, $2 ]
  elsif str.length > total_width
    sep = initial_max_length-@hyphen.length
    ret = [
      str[0, sep]+@hyphen,
      str[sep..-1]
    ]
  else
    ret = [ '', str ]
  end

  return '', str if ret[0] =~ /\A\s*\Z/
    return ret
end