self.controller_relative_to(controller, previous) — ActionController::Routing

self.controller_relative_to(controller, previous)

Returns a controller path for a new controller based on a previous controller path. Handles 4 scenarios:

stay in the previous controller:

controller_relative_to( nil, "groups/discussion" ) # => "groups/discussion"

stay in the previous namespace:

controller_relative_to( "posts", "groups/discussion" ) # => "groups/posts"

forced move to the root namespace:

controller_relative_to( "/posts", "groups/discussion" ) # => "posts"

previous namespace is root:

controller_relative_to( "posts", "anything_with_no_slashes" ) # =>"posts"

Parameters

controller req
previous req

Source

# File actionpack/lib/action_controller/routing.rb, line 363
      def controller_relative_to(controller, previous)
        if controller.nil?           then previous
        elsif controller[0] == ?/    then controller[1..-1]
        elsif %r{^(.*)/} =~ previous then "#{$1}/#{controller}"
        else controller
        end
      end

Defined in actionpack/lib/action_controller/routing.rb line 363 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionController::Routing

Signature

Parameters