Contents

module BELParser
  # Adds a levenshtein implementation based on which ruby engine is used.
  module Levenshtein

    unless self.methods.include?(:distance)

      if RUBY_ENGINE =~ /^jruby/i
        require 'levenshtein'
        define_singleton_method(:distance) do |string1, string2|
          ::Levenshtein.distance(string1, string2)
        end
      else
        require "damerau-levenshtein"
        define_singleton_method(:distance) do |string1, string2|
          ::DamerauLevenshtein.distance(string1, string2)
        end
      end
    end
  end
end

Version data entries

11 entries across 11 versions & 1 rubygems

Version	Path
bel_parser-1.1.6-java	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.6	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.5	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.4-java	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.4	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.3-java	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.3	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.2-java	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.2	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.1-java	lib/bel_parser/mixin/levenshtein.rb
bel_parser-1.1.1	lib/bel_parser/mixin/levenshtein.rb