Class: R19Cov::OptionParser

Inherits:
Object
  • Object
show all
Defined in:
lib/r19cov/option_parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(out = STDOUT, err = STDERR) ⇒ OptionParser

Returns a new instance of OptionParser.



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# File 'lib/r19cov/option_parser.rb', line 7

def initialize(out = STDOUT, err = STDERR)
  @out = out
  @err = err
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/r19cov/option_parser.rb', line 12

def options
  @options
end

Instance Method Details

#parse(args) ⇒ Object 



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# File 'lib/r19cov/option_parser.rb', line 14

def parse(args)
  @options = Options.new
  if (idx = args.index('--'))
    extra_args = args[idx + 1 .. -1]
    args = args[0, idx].dup
  else
    extra_args = []
    args = args.dup
  end
  @options.raw_options = args.dup
  args = ['--help'] if args.empty?
  ::OptionParser.new { |opt|
    opt.banner = "Usage: r19cov [options] (FILE|DIRECTORY)+ [-- --extra-options]"
    opt.on('-h', '--help', 'Show help messages') { @out.puts opt }
    opt.on('-o', '--output [OUTPUT_DIR]', 'Specifies output directory of coverage report') { 
      |v| @options.output_dir = v 
    }
    opt.on('-x', '--exclude [PATTERNS]', 'Don\'t generate info for files matching a pattern',
           '(comma-separated regexp list)') { |v| @options.exclude = v.split(/,/) }
    opt.on('-v', '--version', 'Show version') { @out.puts "r19cov #{R19Cov::VERSION}" }
    opt.parse!(args)
  }
  @options.targets = args
  @options.raw_options -= @options.targets
  ARGV.replace extra_args
  @options
end