#!/usr/bin/env ruby
#
# Keyringer secret management system.
#
# Copyright (C) 2011 Keyringer Development Team.
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
# 
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

module Keyringer
  class Parser
    def initialize
      require 'optparse'

      options  = {}
      optparse = OptionParser.new do |opts|
        # Set a banner, displayed at the top of the help screen.
        opts.banner = "Usage: #{File.basename($0)} [options] file1 file2 ..."

        # TODO: example option
        options[:verbose] = false
        opts.on( '-v', '--verbose', 'Output more information' ) do
          options[:verbose] = true
        end

        # TODO: example option
        options[:logfile] = nil
        opts.on( '-l', '--logfile FILE', 'Write log to FILE' ) do |file|
          options[:logfile] = file
        end

        # This displays the help screen
        opts.on( '-h', '--help', 'Display this help message' ) do
          puts opts
          exit
        end
      end

      # Parse using 'parse!' to remove all options found at ARGV
      optparse.parse!

      # Parse positional arguments
      $args    = ARGV
      $keyring = $args.shift
      $action  = $args.shift
    end
  end
end