Class: Twitchus::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/twitchus/cli.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cli

Returns a new instance of Cli.



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# File 'lib/twitchus/cli.rb', line 8

def initialize
  @options = {}
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/twitchus/cli.rb', line 6

def options
  @options
end

Instance Method Details

#parse(argv, env) ⇒ Object 



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# File 'lib/twitchus/cli.rb', line 32

def parse(argv, env)
  parser.parse! argv

  if @options[:config]
    if File.exists? @options[:config]
      worker = Twitchus::Worker.new(@options[:config])
      worker.run

      exit 0
    else
      raise OptionParser::ParseError, "The config file you specified doesn't exist"
    end
  else
    raise OptionParser::ParseError, "You must specify a config file."
  end

  return true
rescue OptionParser::ParseError => e
  $stderr.puts e
  $stderr.puts
  $stderr.puts parser.help
  exit 1
end

#parser ⇒ Object 



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# File 'lib/twitchus/cli.rb', line 12

def parser
  @parser ||= OptionParser.new do |opts|

    opts.on("-c CONFIG", "Specify a config file.") do |config|
      @options[:config] = config
    end

    opts.on( "-h", "--help", "Display this message.") do |h|
      $stdout.puts opts.to_s
      exit 0
    end

    opts.on( "-v", "--version", "Output the version of Twitchus.") do |v|
      $stdout.puts "Twitchus version #{Twitchus::VERSION}"
      exit 0
    end

  end
end

#run(argv = ARGV, env = ENV) ⇒ Object 



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# File 'lib/twitchus/cli.rb', line 56

def run(argv = ARGV, env = ENV)
  parse(argv, env)
end