Method: EastAsianWidthSimple#initialize

Defined in:
lib/east_asian_width_simple.rb

#initialize(east_asian_width_txt_io) ⇒ EastAsianWidthSimple

Returns a new instance of EastAsianWidthSimple.



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# File 'lib/east_asian_width_simple.rb', line 10

def initialize(east_asian_width_txt_io)
  @lookup_table = Array.new(2**21)
  east_asian_width_txt_io.each_line do |line|
    next unless line.start_with?(HEX_DIGIT_REGEXP)

    code_point, property = line.split(' ').first.split(';')
    if code_point.include?('..')
      first, last = code_point.split('..')
      @lookup_table.fill(property.to_sym, first.to_i(16)..last.to_i(16))
    else
      @lookup_table[code_point.to_i(16)] = property.to_sym
    end
  end
end