Class: RubyConfig::OptionsParser

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby_config/options_parser.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ OptionsParser

Returns a new instance of OptionsParser.



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# File 'lib/ruby_config/options_parser.rb', line 4

def initialize
  create_options
end

Instance Method Details

#create_options ⇒ Object 



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# File 'lib/ruby_config/options_parser.rb', line 12

def create_options
  @options = OpenStruct.new
  @options.verbose = false
  @options.list_available = false
  @options.list_installed = false
  @options.use = false
  @options.runtime = nil
  @options.install = false
  @options.uninstall = false
  @options.help = false
  @options.setup = false
  
  @optparse = OptionParser.new do |opts|
    opts.banner = "Usage: ruby-config [options]"

    opts.on('-a', '--list-available', 'List available Ruby runtimes') do
      @options.list_available = true
    end

    opts.on('-l', '--list-installed', 'List installed Ruby runtimes') do
      @options.list_installed = true
    end

    opts.on('-u', '--use [HANDLE]', 'Use specific Ruby runtime') do |runtime|
      @options.use = true
      @options.runtime = runtime        
      abort("No Runtime specified") unless runtime
    end

    opts.on('-i', '--install [HANDLE]', 'Install specific Ruby runtime') do |runtime|
      @options.install = true
      @options.runtime = runtime
      abort("No Runtime specified") unless runtime
    end

    opts.on('--uninstall [HANDLE]', 'Uninstall specific Ruby runtime') do |runtime|
      @options.uninstall = true
      @options.runtime = runtime
      abort("No Runtime specified") unless runtime
    end
    
    opts.on('--setup', 'Setup your bash script') do
      @options.setup = true
    end

    opts.on('-v', '--version', 'Display version' ) do
      puts "ruby-config version: #{RubyConfig.version}"
      exit
    end

    opts.on('-h', '--help', 'Display this screen' ) do
      @options.help = true
    end
  end
  
end

#parse ⇒ Object 



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# File 'lib/ruby_config/options_parser.rb', line 69

def parse
  @optparse.parse!
  @options
end

#print_help ⇒ Object 



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# File 'lib/ruby_config/options_parser.rb', line 8

def print_help
  puts @optparse
end