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