Class: Reverse

Inherits:
Object
  • Object
show all
Defined in:
lib/reverse.rb,
lib/reverse/version.rb

Constant Summary collapse

ADDR_REG_EXP = 
/\b((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))\b/
VERSION = 
"0.0.7"

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Reverse

Returns a new instance of Reverse.



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

def initialize
  @resolv = Resolv::DNS.new(nameserver: ["8.8.8.8", "8.8.4.4"], ndots: 1)
  @list = {}
  @options = {color: true}
  Signal.trap(:INT){ exit(0) }
end

Instance Method Details

#exec(argv) ⇒ Object 



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# File 'lib/reverse.rb', line 17

def exec(argv)
  opt = OptionParser.new
  opt.on('-V', '--verion',   'Show version number and quit') {|v| @options[:verion] = v }
  opt.on('-v', '--verbose',  'Verbose Mode (IP Address with reverse DNS)') {|v| @options[:verbose] = v }
  opt.on('--no-color',  'No Color Mode') {|v| @options[:color] = v }
  opt.parse!(argv)

  if @options[:verion]
    name = File.basename($PROGRAM_NAME)
    puts "#{name} #{VERSION}"
    exit
  end

  while line = gets
    output =
      if line =~ ADDR_REG_EXP
        replace_addr(line)
      else
        line
      end
    print output
  end
end