Contents

require_relative 'meta_extension'

module Path
  extend MetaExtension
  extension_attr :pkgdir, :libdir

  def self.caller_lib_dir(file = nil, relative_to = ['lib', 'bin'])
    
    if file.nil?
      caller_dup = caller.dup
      while file = caller_dup.shift
        break unless file =~ /scout\/(?:resource\.rb|workflow\.rb)/ or
          file =~ /scout\/path\.rb/ or
          file =~ /scout\/persist.rb/
      end
      file = file.sub(/\.rb[^\w].*/,'.rb')
    end

    relative_to = [relative_to] unless Array === relative_to
    file = File.expand_path(file)
    return Path.setup(file) if relative_to.select{|d| File.exist? File.join(file, d)}.any?

    while file != '/'
      dir = File.dirname file

      return dir if relative_to.select{|d| File.exist? File.join(dir, d)}.any?

      file = File.dirname file
    end

    return nil
  end

  def self.setup(path, pkgdir = 'scout', libdir = nil)
    path.extend Path
    path.pkgdir = pkgdir
    path.libdir = libdir || Path.caller_lib_dir
    path
  end

  def join(subpath, prevpath = nil)
    subpath = subpath.to_s if Symbol === subpath
    prevpath = prevpath.to_s if Symbol === prevpath

    subpath = File.join(prevpath.to_s, subpath) if prevpath
    new = File.join(self, subpath)
    self.annotate(new)
    new
  end

  alias [] join
  alias / join

  def method_missing(name, prev = nil, *args, &block)
    if block_given? || name.to_s.start_with?('to_')
      super name, prev, *args, &block
    else
      join(name, prev)
    end
  end

end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
scout-gear-1.1.1	lib/scout/path.rb
scout-gear-1.1.0	lib/scout/path.rb