Class: ActionDispatch::Journey::Router

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

Overview

:nodoc:

Defined Under Namespace

Classes: RoutingError, Strexp, Utils

Constant Summary collapse

VERSION =

:nodoc:

'2.0.0'
RouteSet = 
ActionDispatch::Journey::Router
RegexpWithNamedGroups = 
ActionDispatch::Journey::Path::Pattern

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(routes) ⇒ Router

Returns a new instance of Router.



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# File 'lib/action_dispatch/journey/router.rb', line 25

def initialize(routes)
  @routes = routes
end

Instance Attribute Details

#routes ⇒ Object

Returns the value of attribute routes.



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

def routes
  @routes
end

Instance Method Details

#recognize(rails_req) ⇒ Object 



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# File 'lib/action_dispatch/journey/router.rb', line 58

def recognize(rails_req)
  find_routes(rails_req).each do |match, parameters, route|
    unless route.path.anchored
      rails_req.script_name = match.to_s
      rails_req.path_info   = match.post_match.sub(/^([^\/])/, '/\1')
    end

    yield(route, parameters)
  end
end

#serve(req) ⇒ Object 



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# File 'lib/action_dispatch/journey/router.rb', line 29

def serve(req)
  find_routes(req).each do |match, parameters, route|
    set_params  = req.path_parameters
    path_info   = req.path_info
    script_name = req.script_name

    unless route.path.anchored
      req.script_name = (script_name.to_s + match.to_s).chomp('/')
      req.path_info = match.post_match
      req.path_info = "/" + req.path_info unless req.path_info.start_with? "/"
    end

    req.path_parameters = set_params.merge parameters

    status, headers, body = route.app.serve(req)

    if 'pass' == headers['X-Cascade']
      req.script_name     = script_name
      req.path_info       = path_info
      req.path_parameters = set_params
      next
    end

    return [status, headers, body]
  end

  return [404, {'X-Cascade' => 'pass'}, ['Not Found']]
end

#visualizer ⇒ Object 



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# File 'lib/action_dispatch/journey/router.rb', line 69

def visualizer
  tt     = GTG::Builder.new(ast).transition_table
  groups = partitioned_routes.first.map(&:ast).group_by { |a| a.to_s }
  asts   = groups.values.map { |v| v.first }
  tt.visualizer(asts)
end