Class: Kor::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/kor/cli.rb

Constant Summary collapse

USAGE = 
"kor [option] [input-plugin] [input-option] [output-plugin] [output-option]\nexample:\n  $ kor --sync csv markdown --strip\n"

Instance Method Summary collapse

Constructor Details

#initialize(argv = ARGV, input_io = $stdin, output_io = $stdout) ⇒ Cli

Returns a new instance of Cli.



13
14
15
16
17
 
# File 'lib/kor/cli.rb', line 13

def initialize(argv = ARGV, input_io = $stdin, output_io = $stdout)
  @argv = argv
  @input_io = input_io
  @output_io = output_io
end

Instance Method Details

#run ⇒ Object 



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
51
52
53
54
55
56
57
58
59
 
# File 'lib/kor/cli.rb', line 19

def run
  cli_args = shift
  cli_opt = OptionParser.new
  cli_opt.on("--sync", "I/O sync mode") do |arg|
    @input_io.sync = true
    @output_io.sync = true
  end
  cli_opt.parse(cli_args)

  input_plugin = @argv.shift
  input_args = shift
  unless input_plugin
    @output_io.puts Cli::USAGE
    exit 0
  end
  require_plugin "kor/input/#{input_plugin}"
  in_class = Kor::Input.const_get(input_plugin.capitalize)
  in_obj = in_class.new(@input_io)
  in_opt = OptionParser.new
  in_obj.parse(in_opt)
  in_opt.parse(input_args)

  output_plugin = @argv.shift
  output_args = shift
  unless output_plugin
    @output_io.puts Cli::USAGE
    exit 0
  end
  require_plugin "kor/output/#{output_plugin}"
  out_class = Kor::Output.const_get(output_plugin.capitalize)
  out_obj = out_class.new(@output_io)
  out_opt = OptionParser.new
  out_obj.parse(out_opt)
  out_opt.parse(output_args)

  out_obj.head(in_obj.head)
  while body = in_obj.gets
    out_obj.puts(body)
  end
  out_obj.finish
end