1 files changed, 50 insertions, 0 deletions
diff --git a/lib/leap_cli/commands/util.rb b/lib/leap_cli/commands/util.rb
new file mode 100644
index 00000000..c1da570e
--- /dev/null
+++ b/lib/leap_cli/commands/util.rb
@@ -0,0 +1,50 @@
+module LeapCli; module Commands
+
+  extend self
+  extend LeapCli::Util
+  extend LeapCli::Util::RemoteCommand
+
+  def path(name)
+    Path.named_path(name)
+  end
+
+  #
+  # 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
+
+
+  def parse_node_list(nodes)
+    if nodes.is_a? Config::Object
+      Config::ObjectList.new(nodes)
+    elsif nodes.is_a? Config::ObjectList
+      nodes
+    elsif nodes.is_a? String
+      manager.filter!(nodes)
+    else
+      bail! "argument error"
+    end
+  end
+
+end; end