libramaze-ruby1.8 2010.06.18-2 / usr / lib / ruby / 1.8 / ramaze / snippets / object / __dir__.rb

#          Copyright (c) 2008 Michael Fellinger m.fellinger@gmail.com
# All files in this distribution are subject to the terms of the Ruby license.

module Ramaze
  module CoreExtensions

    # Extensions for Object

    module Object
      unless defined?(__DIR__)

        # This is similar to +__FILE__+ and +__LINE__+, and returns a String
        # representing the directory of the current file is.
        # Unlike +__FILE__+ the path returned is absolute.
        #
        # This method is convenience for the
        #  File.expand_path(File.dirname(__FILE__))
        # idiom.

        def __DIR__(*args)
          filename = caller[0][/^(.*):/, 1]
          dir = File.expand_path(File.dirname(filename))
          ::File.expand_path(::File.join(dir, *args.map{|a| a.to_s}))
        end
      end
    end

  end
end