Class: Skylark::ArgumentConfiguration

Inherits:
Configuration
  • Object
show all
Defined in:
lib/skylark/argument_configuration.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ArgumentConfiguration

Returns a new instance of ArgumentConfiguration.



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# File 'lib/skylark/argument_configuration.rb', line 31

def initialize
  super

  self[:spec_files] = []
  self[:logger_level] = :warn
end

Class Method Details

.parse(argv) ⇒ Object 



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# File 'lib/skylark/argument_configuration.rb', line 8

def self.parse(argv)
  configuration = self.new

  args = OptionParser.new do |parser|
    configuration.define_options(parser)

    parser.parse!(argv)

    if argv.empty?
      puts parser
      $stderr.puts "Expected at least one filename; exiting."
      exit
    end

    configuration[:spec_files] = argv.select do |argument|
      argument_as_filename = File.expand_path(argument, Dir.pwd)
      File.readable?(argument_as_filename)
    end
  end

  configuration
end

Instance Method Details

#add_verbosity_option(parser) ⇒ Object 



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# File 'lib/skylark/argument_configuration.rb', line 61

def add_verbosity_option(parser)
  parser.on('-d', '--debug-level LEVEL', 'Sets the debugging level to LEVEL.') do |level|
    self[:logger_level] = level.downcase.to_sym
  end

  parser.on('-v', '--verbose', 'Sets the debugging level to a sensible verbose default.') do
    self[:logger_level] = :debug
  end
end

#define_options(parser) ⇒ Object 



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# File 'lib/skylark/argument_configuration.rb', line 38

def define_options(parser)
  parser.banner = "Usage: \#{$0} [options] [--] <filename> [<filename>...]\n"
  parser.separator ""
  parser.separator "OPTIONS:"

  add_verbosity_option(parser)

  parser.separator ""
  parser.separator "GENERAL OPTIONS:"

  parser.on_tail('-h', '--help', 'Show this usage message.') do
    puts parser
    exit
  end

  parser.on_tail('--version', 'Print the version.') do
    puts Skytrain::VERSION
    exit
  end
end