Contents

require 'optparse'
require 'optparse/time'
require 'ostruct'

module Forgitter
  module CLI
    class OptionParser
      attr_accessor :options, :opt_parser

      def initialize
        # The options specified on the command line will be collected in *options*.
        # We set default values here.
        @options = Forgitter::DEFAULT_OPTIONS

        @opt_parser = ::OptionParser.new do |opts|
          opts.banner = 'Usage: forgitter TAG1 [TAG2 ...]'

          opts.separator ''
          opts.separator 'Specific options:'

          opts.on('-l', '--list [TAGS]',
                  'List the available types. You may optionally provide a comma-separated list of tags to search for.') do |tags|
            tags = tags.nil? ? [] : tags.split(',')
            Forgitter.list_types(tags)
            exit
          end

          opts.on('-c', '--stdout',
                  'Write the combined .gitignore to the standard output stream and not to disk.') do
            options[:stdout] = true
          end

          opts.separator ''
          opts.separator 'Common options:'

          # No argument, shows at tail.  This will print an options summary.
          # Try it and see!
          opts.on_tail('-h', '--help', 'Show this message') do
            puts opts
            exit
          end

          # Another typical switch to print the version.
          opts.on_tail('-v', '--version', 'Show version') do
            puts Forgitter::VERSION
            exit
          end
        end

      end

      def help
        opt_parser.help
      end

      #
      # Return a structure describing the options.
      #
      def parse(args)
        begin      
          opt_parser.parse!(args)
        rescue ::OptionParser::InvalidOption => e
          puts help
          exit(1)
        end
        options
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
forgitter-0.0.7	lib/forgitter/cli/option_parser.rb