Class: Joggle::CLI::OptionParser

Inherits:
Object
  • Object
show all
Defined in:
lib/joggle/cli/option-parser.rb

Overview

Option parser for Joggle command-line interface.

Constant Summary collapse

DEFAULTS =

Default configuration.

{
  # pull default jabber username and password from environment
  'jabber.user' => ENV['JOGGLE_USERNAME'],
  'jabber.pass' => ENV['JOGGLE_PASSWORD'],
}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ OptionParser

Create new command-line option parser.



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# File 'lib/joggle/cli/option-parser.rb', line 31

def initialize(app)
  @app = app
end

Class Method Details

.run(app, args) ⇒ Object

Create and run a new command-line option parser.



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# File 'lib/joggle/cli/option-parser.rb', line 24

def self.run(app, args)
  new(app).run(args)
end

Instance Method Details

#run(args) ⇒ Object

Run command-line option parser.



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# File 'lib/joggle/cli/option-parser.rb', line 38

def run(args)
  ret = DEFAULTS.merge({})

  # create option parser
  o = ::OptionParser.new do |o|
    o.banner = "Usage: #@app [options]"
    o.separator " "

    # add command-line options
    o.separator "Options:"

    o.on('-A', '--allow USER', 'Allow Jabber subscription from USER.') do |v|
      add_allowed(ret, v)
    end

    o.on('-c', '--config FILE', 'Use configuration file FILE.') do |v|
      Joggle::ConfigParser.run(v) do |key, val|
        if key == 'engine.allow'
          add_allowed(ret, val)
        elsif key == 'engine.update.range'
          add_update_range(ret, val)
        else
          ret[key] = val
        end
      end
    end

    o.on('-D', '--daemon', 'Run as daemon (in background).') do |v|
      ret['cli.daemon'] = true
    end

    o.on('--foreground', 'Run in foreground (the default).') do |v|
      ret['cli.daemon'] = false
    end

    o.on('-L', '--log-level LEVEL', 'Set log level to LEVEL.') do |v|
      ret['runner.log.level'] = v
    end

    o.on('-l', '--log FILE', 'Log to FILE.') do |v|
      ret['runner.log.path'] = v
    end

    o.on('-p', '--password PASS', 'Jabber password (INSECURE!).') do |v|
      ret['jabber.pass'] = v
    end

    o.on('-s', '--store FILE', 'Use FILE as backing store.') do |v|
      ret['runner.store.path'] = v
    end

    o.on('-u', '--username USER', 'Jabber username.') do |v|
      ret['jabber.user'] = v
    end

    o.separator ' '

    o.on_tail('-v', '--version', 'Print version string.') do
      puts "Joggle %s, by %s" % [
        Joggle::VERSION,
        'Paul Duncan <[email protected]>',
      ]
      exit
    end

    o.on_tail('-h', '--help', 'Print help information.') do
      puts o
      exit
    end
  end

  # parse arguments
  o.parse(args)

  # return results
  ret
end