Class: ActionDispatch::Journey::Router

Inherits:
Object
  • Object
show all
Defined in:
actionpack/lib/action_dispatch/journey/router.rb,
actionpack/lib/action_dispatch/journey/router/utils.rb

Overview

:nodoc:

Defined Under Namespace

Classes: Utils

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(routes) ⇒ Router

Returns a new instance of Router.



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# File 'actionpack/lib/action_dispatch/journey/router.rb', line 19

def initialize(routes)
  @routes = routes
end

Instance Attribute Details

#routes ⇒ Object

Returns the value of attribute routes.



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# File 'actionpack/lib/action_dispatch/journey/router.rb', line 17

def routes
  @routes
end

Instance Method Details

#eager_load! ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/router.rb', line 23

def eager_load!
  # Eagerly trigger the simulator's initialization so it doesn't happen during a
  # request cycle.
  simulator
  nil
end

#recognize(req, &block) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/router.rb', line 43

def recognize(req, &block)
  req_params  = req.path_parameters
  path_info   = req.path_info
  script_name = req.script_name

  routes = filter_routes(path_info)

  custom_routes.each { |r|
    routes << r if r.path.match?(path_info)
  }

  if req.head?
    routes = match_head_routes(routes, req)
  else
    routes.select! { |r| r.matches?(req) }
  end

  if routes.size > 1
    routes.sort! do |a, b|
      a.precedence <=> b.precedence
    end
  end

  routes.each do |r|
    match_data = r.path.match(path_info)

    path_parameters = req_params.merge r.defaults

    index = 1
    match_data.names.each do |name|
      if val = match_data[index]
        val = if val.include?("%")
          CGI.unescapeURIComponent(val)
        else
          val
        end
        val.force_encoding(::Encoding::UTF_8)
        path_parameters[name.to_sym] = val
      end
      index += 1
    end

    if r.path.anchored
      yield(r, path_parameters)
    else
      req.script_name = (script_name.to_s + match_data.to_s).chomp("/")
      req.path_info = match_data.post_match
      req.path_info = "/" + req.path_info unless req.path_info.start_with? "/"

      yield(r, path_parameters)

      req.script_name     = script_name
      req.path_info       = path_info
    end

    req.path_parameters = req_params
  end
end

#serve(req) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/router.rb', line 30

def serve(req)
  recognize(req) do |route, parameters|
    req.path_parameters = parameters
    req.route = route

    _, headers, _ = response = route.app.serve(req)

    return response unless headers[Constants::X_CASCADE] == "pass"
  end

  [404, { Constants::X_CASCADE => "pass" }, ["Not Found"]]
end