Class: Elscripto::Options

Inherits:
Object
  • Object
show all
Defined in:
lib/elscripto/options.rb

Constant Summary collapse

VALID_COMMANDS = 
%W[init start]

Class Method Summary collapse

Class Method Details

.parse(command, args) ⇒ Object

A customized OptionsParser

Raises:



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# File 'lib/elscripto/options.rb', line 13

def self.parse(command,args)
  # The options specified on the command line will be collected in *options*.
  # We set default values here.
  options = OpenStruct.new
  options.verbose = false
  options.path = FileUtils.pwd
  options.command = command
  options.config_file = './.elscripto'
  options.commands = options.definitions = []
  options.enviroment = :production
  opts = OptionParser.new do |opts|
    opts.program_name = 'elscripto'
    opts.banner = "Usage: #{opts.program_name} init|start [options]".green
    opts.separator ""
    opts.separator "Options:".green
    
    opts.on('-p','--path PATH',"Set elscripto's working directory") do |path|
      options.path = path
    end
    
    opts.on('-c','--commands CMD1;CMD2;CMD3...','Pass a list of comma-separated commands') do |cmds|
      options.commands = cmds.split(';').map(&:strip)
    end
    
    opts.on('-d','--definitions DEF1;DEF2;DEF3...','Pass a list of comma-separated command definitions') do |defs|
      options.definitions = defs.split(';').map(&:strip)
    end
    
    opts.on('-f','--file CONFIG FILE PATH','Pass a path to a config file') do |conf_file|
      options.config_file = conf_file
    end
    
    opts.on('-e','--enviroment [production|development]','Define runtime enviroment') do |env|
      options.enviroment = env.to_sym
    end
  end
  
  opts.separator ""
  opts.separator "Common options:".green
  
  opts.on_tail("-h", "--help", "Show this message") do
    puts opts
    exit
  end
  
  opts.on_tail("-v", "--version", "Show version") do
    puts "#{opts.program_name} #{Elscripto::VERSION}\n(c) 2013, Achillefs Charmpilas".green
    exit
  end
  
  opts.parse!(args)
  raise Elscripto::InvalidCommandError, "Please specify a valid command [#{VALID_COMMANDS.join('|')}]" unless VALID_COMMANDS.include?(options.command)
  options
end