Class: Frag::App

Inherits:
Object
  • Object
show all
Defined in:
lib/frag/app.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args, input = STDIN, output = STDOUT, error = STDERR) ⇒ App

Returns a new instance of App.



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
 
# File 'lib/frag/app.rb', line 7

def initialize(args, input=STDIN, output=STDOUT, error=STDERR)
  @input, @output, @error = input, output, error
  @status = 0

  beginning = 'GEN:'
  ending = 'ENDGEN'
  leader = '#'
  trailer = ''
  @backup_prefix = @backup_suffix = nil

  parser = OptionParser.new do |parser|
    parser.banner = "USAGE: #$0 [options] file ..."

    parser.on '-b', '--begin DELIMITER' do |value|
      beginning = Regexp.escape(value)
    end
    parser.on '-e', '--end DELIMITER' do |value|
      ending = Regexp.escape(value)
    end
    parser.on '-l', '--leader STRING' do |value|
      leader = Regexp.escape(value)
    end
    parser.on '-t', '--trailer STRING' do |value|
      trailer = Regexp.escape(value)
    end
    parser.on '-p', '--backup-prefix PREFIX' do |value|
      @backup_prefix = value
    end
    parser.on '-s', '--backup-suffix SUFFIX' do |value|
      @backup_suffix = value
    end
  end

  parser.parse!(args)
  args.size > 0 or
    return error "no files given"

  @begin_line = Regexp.new(['^', leader, beginning, '(.*)', trailer, '$'].reject(&:empty?).join('\\s*'))
  @end_line = Regexp.new(['^', leader, ending, trailer, '$'].reject(&:empty?).join('\\s*'))
  @input_paths = args
end

Instance Attribute Details

#status ⇒ Object (readonly)

Returns the value of attribute status.



59
60
61
 
# File 'lib/frag/app.rb', line 59

def status
  @status
end

Instance Method Details

#run ⇒ Object 



49
50
51
52
53
54
55
56
57
 
# File 'lib/frag/app.rb', line 49

def run
  return @status if @status != 0
  @input_paths.each do |input_path|
    manage_files(input_path) do |input, output|
      process(input, output)
    end
  end
  @status
end