Add bin and edit workflow

bin/gems/pry-0.15.2/lib/pry/slop/commands.rb

@@ -0,0 +1,190 @@
+# frozen_string_literal: true
+
+class Pry
+  class Slop
+    class Commands
+      include Enumerable
+
+      attr_reader :config, :commands, :arguments
+      attr_writer :banner
+
+      # Create a new instance of Slop::Commands and optionally build
+      # Slop instances via a block. Any configuration options used in
+      # this method will be the default configuration options sent to
+      # each Slop object created.
+      #
+      # config - An optional configuration Hash.
+      # block  - Optional block used to define commands.
+      #
+      # Examples:
+      #
+      #   commands = Slop::Commands.new do
+      #     on :new do
+      #       on '-o', '--outdir=', 'The output directory'
+      #       on '-v', '--verbose', 'Enable verbose mode'
+      #     end
+      #
+      #     on :generate do
+      #       on '--assets', 'Generate assets', :default => true
+      #     end
+      #
+      #     global do
+      #       on '-D', '--debug', 'Enable debug mode', :default => false
+      #     end
+      #   end
+      #
+      #   commands[:new].class #=> Slop
+      #   commands.parse
+      #
+      def initialize(config = {}, &block)
+        @config = config
+        @commands = {}
+        @banner = nil
+        @triggered_command = nil
+
+        warn "[DEPRECATED] Slop::Commands is deprecated and will be removed in "\
+          "Slop version 4. Check out http://injekt.github.com/slop/#commands for "\
+          "a new implementation of commands."
+
+        return unless block_given?
+
+        block.arity == 1 ? yield(self) : instance_eval(&block)
+      end
+
+      # Optionally set the banner for this command help output.
+      #
+      # banner - The String text to set the banner.
+      #
+      # Returns the String banner if one is set.
+      def banner(banner = nil)
+        @banner = banner if banner
+        @banner
+      end
+
+      # Add a Slop instance for a specific command.
+      #
+      # command - A String or Symbol key used to identify this command.
+      # config  - A Hash of configuration options to pass to Slop.
+      # block   - An optional block used to pass options to Slop.
+      #
+      # Returns the newly created Slop instance mapped to command.
+      def on(command, config = {}, &block)
+        commands[command.to_s] = Slop.new(@config.merge(config), &block)
+      end
+
+      # Add a Slop instance used when no other commands exist.
+      #
+      # config - A Hash of configuration options to pass to Slop.
+      # block  - An optional block used to pass options to Slop.
+      #
+      # Returns the newly created Slop instance mapped to default.
+      def default(config = {}, &block)
+        on('default', config, &block)
+      end
+
+      # Add a global Slop instance.
+      #
+      # config - A Hash of configuration options to pass to Slop.
+      # block  - An optional block used to pass options to Slop.
+      #
+      # Returns the newly created Slop instance mapped to global.
+      def global(config = {}, &block)
+        on('global', config, &block)
+      end
+
+      # Fetch the instance of Slop tied to a command.
+      #
+      # key - The String or Symbol key used to locate this command.
+      #
+      # Returns the Slop instance if this key is found, nil otherwise.
+      def [](key)
+        commands[key.to_s]
+      end
+      alias get []
+
+      # Check for a command presence.
+      #
+      # Examples:
+      #
+      #   cmds.parse %w( foo )
+      #   cmds.present?(:foo) #=> true
+      #   cmds.present?(:bar) #=> false
+      #
+      # Returns true if the given key is present in the parsed arguments.
+      def present?(key)
+        key.to_s == @triggered_command
+      end
+
+      # Enumerable interface.
+      def each(&block)
+        @commands.each(&block)
+      end
+
+      # Parse a list of items.
+      #
+      # items - The Array of items to parse.
+      #
+      # Returns the original Array of items.
+      def parse(items = ARGV)
+        parse! items.dup
+        items
+      end
+
+      # Parse a list of items, removing any options or option arguments found.
+      #
+      # items - The Array of items to parse.
+      #
+      # Returns the original Array of items with options removed.
+      def parse!(items = ARGV)
+        if (opts = commands[items[0].to_s])
+          @triggered_command = items.shift
+          execute_arguments! items
+          opts.parse! items
+        elsif (opts = commands['default'])
+          opts.parse! items
+        elsif config[:strict] && items[0]
+          raise InvalidCommandError, "Unknown command `#{items[0]}`"
+        end
+        execute_global_opts! items
+        items
+      end
+
+      # Returns a nested Hash with Slop options and values. See Slop#to_hash.
+      def to_hash
+        Hash[commands.map { |k, v| [k.to_sym, v.to_hash] }]
+      end
+
+      # Returns the help String.
+      def to_s
+        defaults = commands.delete('default')
+        globals = commands.delete('global')
+        helps = commands.reject { |_, v| v.options.none? }
+        helps['Global options'] = globals.to_s if globals && globals.options.any?
+        helps['Other options'] = defaults.to_s if defaults && defaults.options.any?
+        banner = @banner ? "#{@banner}\n" : ""
+        banner + helps.map { |key, opts| "  #{key}\n#{opts}" }.join("\n\n")
+      end
+      alias help to_s
+
+      # Returns the inspection String.
+      def inspect
+        "#<Slop::Commands #{config.inspect} #{commands.values.map(&:inspect)}>"
+      end
+
+      private
+
+      # Returns nothing.
+      def execute_arguments!(items)
+        @arguments = items.take_while { |arg| !arg.start_with?('-') }
+        items.shift @arguments.size
+      end
+
+      # Returns nothing.
+      def execute_global_opts!(items)
+        return unless (global_opts = commands['global'])
+
+        global_opts.parse!(items)
+      end
+    end
+  end
+end