Class: Manywords::Command

Inherits:
Object
  • Object
show all
Includes:
Methadone::CLILogging, Methadone::Main
Defined in:
lib/manywords/command.rb

Class Method Summary collapse

Class Method Details

.run ⇒ Object 



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# File 'lib/manywords/command.rb', line 10

def self.run

  main do |letters, pattern = ''|
    # Make sure the given dictionary exists
    unless File.exists? options['dictionary']
      fatal "Could not load the dictionary"
      return
    end

    # Load the dictionary
    dictionary = DictionaryNode.new
    File.open(options['dictionary'], 'r') do |file|
      info "Reading the dictionary..."

      file.each_line do |line|
        # Skip proper nouns
        next if line =~ /[A-Z]/

        # Skip 1 letter words
        line.strip!
        next if line.length <= 1

        # Clean up the line
        line.downcase!

        # Add it!
        dictionary.add_word line
      end

      info "Read #{dictionary.count} words."
    end

    # Construct the pattern if given
    regex = Regexp.new(pattern)

    walker = Walker.new
    walker.walk letters do |word|
      result = dictionary.find_word word

      if result == :yes
        test_word = word.is_a?(Array) ? word.join('') : word.to_s

        puts test_word if regex =~ test_word
      end

      result
    end
  end

  version     Manywords::VERSION
  description 'Determine word combinations given a series of letters and an optional regular expression to filter.'

  arg         :letters, :required
  arg         :pattern, :optional

  options['dictionary'] = '/usr/share/dict/words'
  on('-d PATH', '--dictionary', 'Dictionary')

  go!
end