Add bin and edit workflow

bin/gems/rouge-4.5.1/lib/rouge/lexers/dot.rb

@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Lexers
+    class Dot < RegexLexer
+      title "DOT"
+      desc "graph description language"
+
+      tag 'dot'
+      aliases 'graphviz'
+      filenames '*.dot'
+      mimetypes 'text/vnd.graphviz'
+
+      start do
+        @html = HTML.new(options)
+      end
+
+      state :comments_and_whitespace do
+        rule %r/\s+/, Text
+        rule %r(#.*), Comment::Single
+        rule %r(//.*?$), Comment::Single
+        rule %r(/(\\\n)?[*].*?[*](\\\n)?/)m, Comment::Multiline
+      end
+
+      state :html do
+        rule %r/[^<>]+/ do
+          delegate @html
+        end
+        rule %r/<.+?>/m do
+          delegate @html
+        end
+        rule %r/>/, Punctuation, :pop!
+      end
+
+      state :ID do
+        rule %r/([a-zA-Z][a-zA-Z_0-9]*)(\s*)(=)/ do |m|
+          token Name, m[1]
+          token Text, m[2]
+          token Punctuation, m[3]
+        end
+        rule %r/[a-zA-Z][a-zA-Z_0-9]*/, Name::Variable
+        rule %r/([0-9]+)?\.[0-9]+/, Num::Float
+        rule %r/[0-9]+/, Num::Integer
+        rule %r/"(\\"|[^"])*"/, Str::Double
+        rule %r/</ do
+          token Punctuation
+          @html.reset!
+          push :html
+        end
+      end
+
+      state :a_list do
+        mixin :comments_and_whitespace
+        mixin :ID
+        rule %r/[=;,]/, Punctuation
+        rule %r/\]/, Operator, :pop!
+      end
+
+      state :root do
+        mixin :comments_and_whitespace
+        rule %r/\b(strict|graph|digraph|subgraph|node|edge)\b/i, Keyword
+        rule %r/[{};:=]/, Punctuation
+        rule %r/-[->]/, Operator
+        rule %r/\[/, Operator, :a_list
+        mixin :ID
+      end
+    end
+  end
+end