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module ActionDispatch
module Journey # :nodoc:
module NFA # :nodoc:
module Dot # :nodoc:
def to_dot
edges = transitions.map { |from, sym, to|
" #{from} -> #{to} [label=\"#{sym || 'ε'}\"];"
}
#memo_nodes = memos.values.flatten.map { |n|
# label = n
# if Journey::Route === n
# label = "#{n.verb.source} #{n.path.spec}"
# end
# " #{n.object_id} [label=\"#{label}\", shape=box];"
#}
#memo_edges = memos.flat_map { |k, memos|
# (memos || []).map { |v| " #{k} -> #{v.object_id};" }
#}.uniq
<<-eodot
digraph nfa {
rankdir=LR;
node [shape = doublecircle];
#{accepting_states.join ' '};
node [shape = circle];
#{edges.join "\n"}
}
eodot
end
end
end
end
end
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