Method: Postycode.parse

Defined in:
lib/postycode.rb

.parse(argv) ⇒ Object

Converts code point ranges in ARGV to final string



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# File 'lib/postycode.rb', line 13

def self.parse(argv)
  escaped_syms = String.new

  argv.each do |arg|
    range = arg.scan(/[0-9A-Fa-f]{4}/)
    if range.count == 2 # If given a range instead of an individual code point
      range = (range[0].hex..range[1].hex).to_a # 00AB-00AD -> [171, 172, 173]
      range.collect! { |num| num.to_s(16).rjust(4, '0') } # e.g., 172 -> 00ac
    end
    range.collect! { |num| num.prepend('\u') } # e.g., 00ac -> \u00ac
    escaped_syms << range.join
  end
  escaped_syms
end