1 files changed, 125 insertions, 0 deletions
diff --git a/lib/leap_cli/commands/util.rb b/lib/leap_cli/commands/util.rb
new file mode 100644
index 0000000..ad4f01c
--- /dev/null
+++ b/lib/leap_cli/commands/util.rb
@@ -0,0 +1,125 @@
+module LeapCli
+  module Commands
+    extend self
+    extend LeapCli::Util
+#     #
+#     # keeps prompting the user for a numbered choice, until they pick a good one or bail out.
+#     #
+#     # block is yielded and is responsible for rendering the choices.
+#     #
+    def numbered_choice_menu(msg, items, &block)
+      while true
+        say("\n" + msg + ':')
+        items.each_with_index &block
+        say("q.  quit")
+        index = ask("number 1-#{items.length}> ")
+        if index.empty?
+          next
+        elsif index =~ /q/
+          bail!
+        else
+          i = index.to_i - 1
+          if i < 0 || i >= items.length
+            bail!
+          else
+            return i
+          end
+        end
+      end
+    end
+
+#     #
+#     # read a file, exit if the file doesn't exist.
+#     #
+#     def read_file!(file_path)
+#       if !File.exists?(file_path)
+#         bail!("File '%s' does not exist." % file_path)
+#       else
+#         File.readfile(file_path)
+#       end
+#     end
+
+#     ##
+#     ## LOGGING
+#     ##
+
+#     def log0(message=nil, &block)
+#       if message
+#         puts message
+#       elsif block
+#         puts yield(block)
+#       end
+#     end
+
+#     def log1(message=nil, &block)
+#       if LeapCli.log_level > 0
+#         if message
+#           puts message
+#         elsif block
+#           puts yield(block)
+#         end
+#       end
+#     end
+
+#     def log2(message=nil, &block)
+#       if LeapCli.log_level > 1
+#         if message
+#           puts message
+#         elsif block
+#           puts yield(block)
+#         end
+#       end
+#     end
+
+#     def progress(message)
+#       log1(" * " + message)
+#     end
+
+#     ##
+#     ## QUITTING
+#     ##
+
+#     #
+#     # quit and print help
+#     #
+#     def help!(message=nil)
+#       ENV['GLI_DEBUG'] = "false"
+#       help_now!(message)
+#       #say("ERROR: " + message)
+#     end
+
+#     #
+#     # quit with a message that we are bailing out.
+#     #
+#     def bail!(message="")
+#       say(message)
+#       say("Bailing out.")
+#       raise SystemExit.new
+#       #ENV['GLI_DEBUG'] = "false"
+#       #exit_now!(message)
+#     end
+
+#     #
+#     # quit with no message
+#     #
+#     def quit!(message='')
+#       say(message)
+#       raise SystemExit.new
+#     end
+
+#     #
+#     # bails out with message if assertion is false.
+#     #
+#     def assert!(boolean, message)
+#       bail!(message) unless boolean
+#     end
+
+#     #
+#     # assert that the command is available
+#     #
+#     def assert_bin!(cmd_name)
+#       assert! `which #{cmd_name}`.strip.any?, "Sorry, bailing out, the command '%s' is not installed." % cmd_name
+#     end
+
+  end
+end