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Class: ActionDispatch::Routing::RouteSet::NamedRouteCollection::UrlHelper::OptimizedUrlHelper

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, UrlHelper
Instance Chain:
self, UrlHelper
Inherits: UrlHelper
  • ::Object
Defined in: actionpack/lib/action_dispatch/routing/route_set.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(route, options, route_name) ⇒ OptimizedUrlHelper

[ GitHub ] 

  


# File 'actionpack/lib/action_dispatch/routing/route_set.rb', line 197



def initialize(route, options, route_name)
  super
  @required_parts = @route.required_parts
  @arg_size       = @required_parts.size
  # A sole :format option can be rendered by the route's own optional
  # format segment, unless the route has a default for it: the general
  # path omits a format equal to the default, which the fast path
  # cannot know about.
  @format_optimizable = route.path.names.include?("format") && !route.defaults.key?(:format)
end


  







Instance Attribute Details



  

    #arg_size   (readonly)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/routing/route_set.rb', line 195



attr_reader :arg_size


  







Instance Method Details



  

    #call(t, method_name, args, inner_options, url_strategy)  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/routing/route_set.rb', line 208



def call(t, method_name, args, inner_options, url_strategy)
  if args.size == arg_size && optimizable_options?(inner_options) && optimize_routes_generation?(t)
    options = t.url_options.merge @options
    format = inner_options && inner_options[:format]
    path = optimized_helper(args, format)
    path << "/" if options[:trailing_slash] && !format && !path.end_with?("/")
    options[:path] = path

    original_script_name = options.delete(:original_script_name)
    script_name = t._routes.find_script_name(options)

    if original_script_name
      script_name = original_script_name + script_name
    end

    options[:script_name] = script_name

    url_strategy.call options
  else
    super
  end
end


  








  

    #optimizable_options?(inner_options)  ⇒ Boolean  (private)
  



  

    
  





  


  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/routing/route_set.rb', line 232



def optimizable_options?(inner_options)
  inner_options.nil? ||
    (@format_optimizable && inner_options.size == 1 && inner_options[:format])
end


  








  

    #optimize_routes_generation?(t)  ⇒ Boolean  (private)
  



  

    
  





  


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# File 'actionpack/lib/action_dispatch/routing/route_set.rb', line 251



def optimize_routes_generation?(t)
  t.send(:optimize_routes_generation?)
end


  








  

    #optimized_helper(args, format = nil)   (private)
  

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# File 'actionpack/lib/action_dispatch/routing/route_set.rb', line 237



def optimized_helper(args, format = nil)
  params = parameterize_args(args) do
    raise_generation_error(args)
  end
  if format
    # As in the general path, a blank format is dropped rather than
    # rendered as a trailing dot.
    format = format.to_param
    params[:format] = format if format.present?
  end

  @route.format params
end


  








  

    #parameterize_args(args)   (private)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/routing/route_set.rb', line 255



def parameterize_args(args)
  params = {}
  @arg_size.times { |i|
    key = @required_parts[i]
    value = args[i].to_param
    yield key if value.nil? || value.empty?
    params[key] = value
  }
  params
end


  








  

    #raise_generation_error(args)   (private)
  



  

    
  





  
Raises:





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# File 'actionpack/lib/action_dispatch/routing/route_set.rb', line 266



def raise_generation_error(args)
  missing_keys = []
  params = parameterize_args(args) { |missing_key|
    missing_keys << missing_key
  }
  constraints = Hash[@route.requirements.merge(params).sort_by { |k, v| k.to_s }]
  message = +"No route matches #{constraints.inspect}"
  message << ", missing required keys: #{missing_keys.sort.inspect}"

  raise ActionController::UrlGenerationError, message
end