Module: Fixy::Formatter::Alphanumeric

Defined in:
lib/fixy/formatter/alphanumeric.rb

Instance Method Summary collapse

Instance Method Details

#format_alphanumeric(input, byte_width) ⇒ Object

Alphanumeric Formatter

Only contains printable characters and is left-justified and filled with spaces.



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# File 'lib/fixy/formatter/alphanumeric.rb', line 12

def format_alphanumeric(input, byte_width)
  input_string = String.new(input.to_s).tr "#{self.class::LINE_ENDING_CRLF}#{line_ending}", ''
  result = ''

  if input_string.bytesize <= byte_width
    result << input_string
  else
    input_string.each_char do |char|
      if result.bytesize + char.bytesize <= byte_width
        result << char
      else
        break
      end
    end
  end

  result << ' ' * (byte_width - result.bytesize)
end