Module: Alki::Execution::Helpers

Included in:
ValueHelpers
Defined in:
lib/alki/execution/helpers.rb

Instance Method Summary collapse

Instance Method Details

#lazy(*path) ⇒ Object 



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# File 'lib/alki/execution/helpers.rb', line 22

def lazy(*path)
  path = path.flatten.inject('') do |new_path,elem|
    unless elem.is_a?(String) or elem.is_a?(Symbol)
      raise ArgumentError.new("lookup can only take Strings or Symbols")
    end
    new_path << elem.to_s
  end
  Alki::ServiceDelegator.new self, path
end

#lookup(*path) ⇒ Object 



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# File 'lib/alki/execution/helpers.rb', line 6

def lookup(*path)
  path.flatten.inject(self) do |from_group,elem|
    unless elem.is_a?(String) or elem.is_a?(Symbol)
      raise ArgumentError.new("lookup can only take Strings or Symbols")
    end
    elem.to_s.split('.').inject(from_group) do |group,name|
      raise "Invalid lookup elem" unless group.is_a? Helpers
      if name =~ /^\d/
        group[name.to_i]
      else
        group.send name.to_sym
      end
    end
  end
end

#reference(path, *args, &blk) ⇒ Object 



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# File 'lib/alki/execution/helpers.rb', line 32

def reference(path,*args,&blk)
  __reference__ path, args, blk
end