Add bin and edit workflow

bin/gems/rouge-4.5.1/lib/rouge/guesser.rb

@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+module Rouge
+  class Guesser
+    class Ambiguous < StandardError
+      attr_reader :alternatives
+      def initialize(alternatives); @alternatives = alternatives; end
+
+      def message
+        "Ambiguous guess: can't decide between #{alternatives.map(&:tag).inspect}"
+      end
+    end
+
+    def self.guess(guessers, lexers)
+      original_size = lexers.size
+
+      guessers.each do |g|
+        new_lexers = case g
+        when Guesser then g.filter(lexers)
+        when proc { |x| x.respond_to? :call } then g.call(lexers)
+        else raise "bad guesser: #{g}"
+        end
+
+        lexers = new_lexers && new_lexers.any? ? new_lexers : lexers
+      end
+
+      # if we haven't filtered the input at *all*,
+      # then we have no idea what language it is,
+      # so we bail and return [].
+      lexers.size < original_size ? lexers : []
+    end
+
+    def collect_best(lexers, opts={}, &scorer)
+      best = []
+      best_score = opts[:threshold]
+
+      lexers.each do |lexer|
+        score = scorer.call(lexer)
+
+        next if score.nil?
+
+        if best_score.nil? || score > best_score
+          best_score = score
+          best = [lexer]
+        elsif score == best_score
+          best << lexer
+        end
+      end
+
+      best
+    end
+
+    def filter(lexers)
+      raise 'abstract'
+    end
+  end
+end