vendor/rails/railties/lib/rails_generator/simple_logger.rb

   1 module Rails
   2   module Generator
   3     class SimpleLogger # :nodoc:
   4       attr_reader :out
   5       attr_accessor :quiet
   6
   7       def initialize(out = $stdout)
   8         @out = out
   9         @quiet = false
  10         @level = 0
  11       end
  12
  13       def log(status, message, &block)
  14         @out.print("%12s  %s%s\n" % [status, '  ' * @level, message]) unless quiet
  15         indent(&block) if block_given?
  16       end
  17
  18       def indent(&block)
  19         @level += 1
  20         if block_given?
  21           begin
  22             block.call
  23           ensure
  24             outdent
  25           end
  26         end
  27       end
  28
  29       def outdent
  30         @level -= 1
  31         if block_given?
  32           begin
  33             block.call
  34           ensure
  35             indent
  36           end
  37         end
  38       end
  39
  40       private
  41         def method_missing(method, *args, &block)
  42           log(method.to_s, args.first, &block)
  43         end
  44     end
  45   end
  46 end