Class: ActionDispatch::Routing::DeprecatedMapper

Inherits:
Object
  • Object
show all
Defined in:
lib/action_dispatch/routing/deprecated_mapper.rb

Overview

:nodoc:

Defined Under Namespace

Classes: Resource, SingletonResource

Constant Summary collapse

INHERITABLE_OPTIONS = 
:namespace, :shallow

Instance Method Summary collapse

Constructor Details

#initialize(set) ⇒ DeprecatedMapper

:nodoc:



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# File 'lib/action_dispatch/routing/deprecated_mapper.rb', line 33

def initialize(set) #:nodoc:
  ActiveSupport::Deprecation.warn "You are using the old router DSL which will be removed in Rails 3.1. " <<
    "Please check how to update your routes file at: http://www.engineyard.com/blog/2010/the-lowdown-on-routes-in-rails-3/"
  @set = set
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(route_name, *args, &proc) ⇒ Object

:nodoc:



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# File 'lib/action_dispatch/routing/deprecated_mapper.rb', line 204

def method_missing(route_name, *args, &proc) #:nodoc:
  super unless args.length >= 1 && proc.nil?
  named_route(route_name, *args)
end

Instance Method Details

#connect(path, options = {}) ⇒ Object 



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# File 'lib/action_dispatch/routing/deprecated_mapper.rb', line 39

def connect(path, options = {})
  options = options.dup

  if conditions = options.delete(:conditions)
    conditions = conditions.dup
    method = [conditions.delete(:method)].flatten.compact
    method.map! { |m|
      m = m.to_s.upcase

      if m == "HEAD"
        raise ArgumentError, "HTTP method HEAD is invalid in route conditions. Rails processes HEAD requests the same as GETs, returning just the response headers"
      end

      unless HTTP_METHODS.include?(m.downcase.to_sym)
        raise ArgumentError, "Invalid HTTP method specified in route conditions"
      end

      m
    }

    if method.length > 1
      method = Regexp.union(*method)
    elsif method.length == 1
      method = method.first
    else
      method = nil
    end
  end

  path_prefix = options.delete(:path_prefix)
  name_prefix = options.delete(:name_prefix)
  namespace  = options.delete(:namespace)

  name = options.delete(:_name)
  name = "#{name_prefix}#{name}" if name_prefix

  requirements = options.delete(:requirements) || {}
  defaults = options.delete(:defaults) || {}
  options.each do |k, v|
    if v.is_a?(Regexp)
      if value = options.delete(k)
        requirements[k.to_sym] = value
      end
    else
      value = options.delete(k)
      defaults[k.to_sym] = value.is_a?(Symbol) ? value : value.to_param
    end
  end

  requirements.each do |_, requirement|
    if requirement.source =~ %r{\A(\\A|\^)|(\\Z|\\z|\$)\Z}
      raise ArgumentError, "Regexp anchor characters are not allowed in routing requirements: #{requirement.inspect}"
    end
    if requirement.multiline?
      raise ArgumentError, "Regexp multiline option not allowed in routing requirements: #{requirement.inspect}"
    end
  end

  requirements[:controller] ||= @set.controller_constraints

  if defaults[:controller]
    defaults[:action] ||= 'index'
    defaults[:controller] = defaults[:controller].to_s
    defaults[:controller] = "#{namespace}#{defaults[:controller]}" if namespace
  end

  if defaults[:action]
    defaults[:action] = defaults[:action].to_s
  end

  if path.is_a?(String)
    path = "#{path_prefix}/#{path}" if path_prefix
    path = path.gsub('.:format', '(.:format)')
    path = optionalize_trailing_dynamic_segments(path, requirements, defaults)
    glob = $1.to_sym if path =~ /\/\*(\w+)$/
    path = ::Rack::Mount::Utils.normalize_path(path)

    if glob && !defaults[glob].blank?
      raise ActionController::RoutingError, "paths cannot have non-empty default values"
    end
  end

  app = Routing::RouteSet::Dispatcher.new(:defaults => defaults, :glob => glob)

  conditions = {}
  conditions[:request_method] = method if method
  conditions[:path_info] = path if path

  @set.add_route(app, conditions, requirements, defaults, name)
end

#named_route(name, path, options = {}) ⇒ Object

:nodoc:



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# File 'lib/action_dispatch/routing/deprecated_mapper.rb', line 191

def named_route(name, path, options = {}) #:nodoc:
  options[:_name] = name
  connect(path, options)
end

#namespace(name, options = {}, &block) ⇒ Object 



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# File 'lib/action_dispatch/routing/deprecated_mapper.rb', line 196

def namespace(name, options = {}, &block)
  if options[:namespace]
    with_options({:path_prefix => "#{options.delete(:path_prefix)}/#{name}", :name_prefix => "#{options.delete(:name_prefix)}#{name}_", :namespace => "#{options.delete(:namespace)}#{name}/" }.merge(options), &block)
  else
    with_options({:path_prefix => name, :name_prefix => "#{name}_", :namespace => "#{name}/" }.merge(options), &block)
  end
end

#resource(*entities, &block) ⇒ Object 



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# File 'lib/action_dispatch/routing/deprecated_mapper.rb', line 361

def resource(*entities, &block)
  options = entities.extract_options!
  entities.each { |entity| map_singleton_resource(entity, options.dup, &block) }
end

#resources(*entities, &block) ⇒ Object 



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# File 'lib/action_dispatch/routing/deprecated_mapper.rb', line 356

def resources(*entities, &block)
  options = entities.extract_options!
  entities.each { |entity| map_resource(entity, options.dup, &block) }
end

#root(options = {}) ⇒ Object

Creates a named route called “root” for matching the root level request.



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# File 'lib/action_dispatch/routing/deprecated_mapper.rb', line 182

def root(options = {})
  if options.is_a?(Symbol)
    if source_route = @set.named_routes.routes[options]
      options = source_route.defaults.merge({ :conditions => source_route.conditions })
    end
  end
  named_route("root", '', options)
end