Class: TreeRepl::Ls

Inherits:
Cmd
  • Object
show all
Defined in:
lib/treerepl/cmds.rb

Instance Attribute Summary

Attributes inherited from Cmd

#name, #repl

Instance Method Summary collapse

Constructor Details

#initialize(repl) ⇒ Ls

Returns a new instance of Ls.



18
19
20
 
# File 'lib/treerepl/cmds.rb', line 18

def initialize(repl)
  super(repl,'ls')
end

Instance Method Details

#exec(args) ⇒ Object 



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
 
# File 'lib/treerepl/cmds.rb', line 21

def exec(args)
  def ls_print(n,prefix=nil)
    def pr(s,prefix)
      if prefix
        puts File.join prefix,s
      else
        puts s
      end
    end
    puts if prefix
    ['.','..'].each do |s|
      pr s,prefix
    end
    n.children.each do |node|
      pr node.name,prefix
    end
  end
  args = ['.'] if args.empty?
  args.uniq!
  args.each do |path|
    n = repl.eval_path repl.cur,path
    if n
      prefix = args.length > 1 ? path : nil
      ls_print n,prefix
    end
  end
end

#help ⇒ Object 



48
49
50
 
# File 'lib/treerepl/cmds.rb', line 48

def help
  'List directory'
end

#ls_print(n, prefix = nil) ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/treerepl/cmds.rb', line 22

def ls_print(n,prefix=nil)
  def pr(s,prefix)
    if prefix
      puts File.join prefix,s
    else
      puts s
    end
  end
  puts if prefix
  ['.','..'].each do |s|
    pr s,prefix
  end
  n.children.each do |node|
    pr node.name,prefix
  end
end

#pr(s, prefix) ⇒ Object 



23
24
25
26
27
28
29
 
# File 'lib/treerepl/cmds.rb', line 23

def pr(s,prefix)
  if prefix
    puts File.join prefix,s
  else
    puts s
  end
end