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|
module ActionDispatch
module Journey # :nodoc:
# The Routing table. Contains all routes for a system. Routes can be
# added to the table by calling Routes#add_route.
class Routes # :nodoc:
include Enumerable
attr_reader :routes, :named_routes, :custom_routes, :anchored_routes
def initialize
@routes = []
@named_routes = {}
@ast = nil
@anchored_routes = []
@custom_routes = []
@simulator = nil
end
def empty?
routes.empty?
end
def length
routes.length
end
alias :size :length
def last
routes.last
end
def each(&block)
routes.each(&block)
end
def clear
routes.clear
anchored_routes.clear
custom_routes.clear
named_routes.clear
end
def partition_route(route)
if route.path.anchored && route.ast.grep(Nodes::Symbol).all?(&:default_regexp?)
anchored_routes << route
else
custom_routes << route
end
end
def ast
@ast ||= begin
asts = anchored_routes.map(&:ast)
Nodes::Or.new(asts) unless asts.empty?
end
end
def simulator
@simulator ||= begin
gtg = GTG::Builder.new(ast).transition_table
GTG::Simulator.new(gtg)
end
end
# Add a route to the routing table.
def add_route(app, path, conditions, required_defaults, defaults, name = nil)
route = Route.new(name, app, path, conditions, required_defaults, defaults)
route.precedence = routes.length
routes << route
named_routes[name] = route if name && !named_routes[name]
partition_route(route)
clear_cache!
route
end
private
def clear_cache!
@ast = nil
@simulator = nil
end
end
end
end
|
