aboutsummaryrefslogtreecommitdiff
path: root/lib/leap_cli/commands/util.rb
blob: c1da570e342b5b64b3dcd2eff83a8093dbc4d8a5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
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