Sha256: 3e86af3b113a163c3b050817b689dd4026a8007b3ae85e52688d57fddf3ff058
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Versions: 47
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Stored size: 1 KB
Contents
# frozen_string_literal: true
require "strscan"
module ActionDispatch
module Journey # :nodoc:
module NFA # :nodoc:
class MatchData # :nodoc:
attr_reader :memos
def initialize(memos)
@memos = memos
end
end
class Simulator # :nodoc:
attr_reader :tt
def initialize(transition_table)
@tt = transition_table
end
def simulate(string)
input = StringScanner.new(string)
state = tt.eclosure(0)
until input.eos?
sym = input.scan(%r([/.?]|[^/.?]+))
state = tt.eclosure(tt.move(state, sym))
end
acceptance_states = state.find_all { |s|
tt.accepting?(tt.eclosure(s).sort.last)
}
return if acceptance_states.empty?
memos = acceptance_states.flat_map { |x| tt.memo(x) }.compact
MatchData.new(memos)
end
alias :=~ :simulate
alias :match :simulate
end
end
end
end
Version data entries
47 entries across 45 versions & 5 rubygems