| Class | ActionController::Routing::Optimisation::PositionalArguments |
| In: |
vendor/rails/actionpack/lib/action_controller/routing_optimisation.rb
|
| Parent: | Optimiser |
Given a route: map.person ’/people/:id‘
If the user calls person_url(@person), we can simply return a string like "/people/#{@person.to_param}" rather than triggering the expensive logic in url_for
# File vendor/rails/actionpack/lib/action_controller/routing_optimisation.rb, line 69
69: def generation_code
70: elements = []
71: idx = 0
72:
73: if kind == :url
74: elements << '#{request.protocol}'
75: elements << '#{request.host_with_port}'
76: end
77:
78: elements << '#{request.relative_url_root if request.relative_url_root}'
79:
80: # The last entry in route.segments appears to # *always* be a
81: # 'divider segment' for '/' but we have assertions to ensure that
82: # we don't include the trailing slashes, so skip them.
83: (route.segments.size == 1 ? route.segments : route.segments[0..-2]).each do |segment|
84: if segment.is_a?(DynamicSegment)
85: elements << segment.interpolation_chunk("args[#{idx}].to_param")
86: idx += 1
87: else
88: elements << segment.interpolation_chunk
89: end
90: end
91: %("#{elements * ''}")
92: end
# File vendor/rails/actionpack/lib/action_controller/routing_optimisation.rb, line 58
58: def guard_condition
59: number_of_arguments = route.segment_keys.size
60: # if they're using foo_url(:id=>2) it's one
61: # argument, but we don't want to generate /foos/id2
62: if number_of_arguments == 1
63: "defined?(request) && request && args.size == 1 && !args.first.is_a?(Hash)"
64: else
65: "defined?(request) && request && args.size == #{number_of_arguments}"
66: end
67: end