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require 'delegate'
module ActionDispatch
module Routing
class RouteWrapper < SimpleDelegator
def endpoint
rack_app ? rack_app.inspect : "#{controller}##{action}"
end
def constraints
requirements.except(:controller, :action)
end
def rack_app(app = self.app)
@rack_app ||= begin
class_name = app.class.name.to_s
if class_name == "ActionDispatch::Routing::Mapper::Constraints"
rack_app(app.app)
elsif ActionDispatch::Routing::Redirect === app || class_name !~ /^ActionDispatch::Routing/
app
end
end
end
def verb
super.source.gsub(/[$^]/, '')
end
def path
super.spec.to_s
end
def name
super.to_s
end
def reqs
@reqs ||= begin
reqs = endpoint
reqs += " #{constraints.to_s}" unless constraints.empty?
reqs
end
end
def controller
requirements[:controller] || ':controller'
end
def action
requirements[:action] || ':action'
end
def internal?
controller =~ %r{\Arails/(info|welcome)} || path =~ %r{\A#{Rails.application.config.assets.prefix}}
end
def engine?
rack_app && rack_app.respond_to?(:routes)
end
end
##
# This class is just used for displaying route information when someone
# executes `rake routes`. People should not use this class.
class RoutesInspector # :nodoc:
def initialize
@engines = Hash.new
end
def format(all_routes, filter = nil, format = :txt)
if filter
all_routes = all_routes.select{ |route| route.defaults[:controller] == filter }
end
routes = collect_routes(all_routes)
routes = formatted_routes(routes, format) + formatted_routes_for_engines(format)
if format == :html
routes.join('')
else
routes
end
end
def collect_routes(routes)
routes = routes.collect do |route|
RouteWrapper.new(route)
end.reject do |route|
route.internal?
end.collect do |route|
collect_engine_routes(route)
{:name => route.name, :verb => route.verb, :path => route.path, :reqs => route.reqs }
end
end
def collect_engine_routes(route)
name = route.endpoint
return unless route.engine?
return if @engines[name]
routes = route.rack_app.routes
if routes.is_a?(ActionDispatch::Routing::RouteSet)
@engines[name] = collect_routes(routes.routes)
end
end
def formatted_routes_for_engines(format)
@engines.map do |name, routes|
["\nRoutes for #{name}:"] + formatted_routes(routes, format)
end.flatten
end
def formatted_routes(routes, format)
name_width = routes.map{ |r| r[:name].length }.max
verb_width = routes.map{ |r| r[:verb].length }.max
path_width = routes.map{ |r| r[:path].length }.max
routes.map do |r|
if format == :txt
"#{r[:name].rjust(name_width)} " +
"#{r[:verb].ljust(verb_width)} " +
"#{r[:path].ljust(path_width)} " +
"#{r[:reqs]}"
elsif format == :html
route = r
"<tr class='route-row' data-helper='path' #{[:name, :verb, :path, :reqs].each {|key| "data-#{key}='#{route[key]}'"} } >" +
"<td class='route-name'>#{route[:name] + "<span class='helper'>_path</span>" if route[:name].present?}</td>" +
"<td class='route-verb'>#{route[:verb]}</td>" +
"<td class='route-path'>#{route[:path]}</td>" +
"<td class='route-reqs'>#{route[:reqs]}</td>" +
"</tr>"
end
end
end
end
end
end
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