Class: Tane::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/tane/parser.rb

Class Method Summary collapse

Class Method Details

.global_option(name, *args) ⇒ Object 



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# File 'lib/tane/parser.rb', line 9

def global_option(name, *args)
  self.global_options << {:name => name, :args => args}
end

.global_options ⇒ Object 



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# File 'lib/tane/parser.rb', line 5

def global_options
  @global_options ||= []
end

.parse(args) ⇒ Object 



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# File 'lib/tane/parser.rb', line 13

def parse(args)
  # The options specified on the command line will be collected in *options*.
  # We set default values here.
  options = OpenStruct.new
  options.scheme = "http"
  options.host = "localhost"
  options.port = 3000
  options.inplace = false
  options.encoding = "utf8"
  options.transfer_type = :auto
  options.verbose = false

  global_option :port,    '-p', '--port PORT',     Integer, "The port your local Bushido app is running on"
  global_option :host,    '-n', '--host HOST',     String,  "The hostname where your local Bushido app is running"
  global_option :scheme,  '-s', '--scheme SCHEME', String,  "Either http or https, whichever protocol your local Bushido app is using"
  global_option :verbose, '-V', '--verbose',                "Output a lot of noise"

  opts = OptionParser.new do |opts|
    banner  = "Usage: tane command [options]\n"
    banner += Tane::Commands.command_list_and_help

    opts.banner = banner

    opts.separator ""
    opts.separator "Specific options:"

    # Mandatory argument.
    global_options.each do |option|
      opts.on(option[:name].to_s, *option[:args]) do |value|
        options.send("#{option[:name]}=", value)
      end
    end
    options.send("help_text=", opts.help())
    opts.parse!(args)
    return options
  end
end