Add bin and edit workflow

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

@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Lexers
+    class TeX < RegexLexer
+      title "TeX"
+      desc "The TeX typesetting system"
+      tag 'tex'
+      aliases 'TeX', 'LaTeX', 'latex'
+
+      filenames '*.tex', '*.aux', '*.toc', '*.sty', '*.cls'
+      mimetypes 'text/x-tex', 'text/x-latex'
+
+      def self.detect?(text)
+        return true if text =~ /\A\s*\\(documentclass|input|documentstyle|relax|ProvidesPackage|ProvidesClass)/
+      end
+
+      command = /\\([a-z]+|\s+|.)/i
+
+      state :general do
+        rule %r/%.*$/, Comment
+        rule %r/[{}&_^]/, Punctuation
+      end
+
+      state :root do
+        rule %r/\\\[/, Punctuation, :displaymath
+        rule %r/\\\(/, Punctuation, :inlinemath
+        rule %r/\$\$/, Punctuation, :displaymath
+        rule %r/\$/, Punctuation, :inlinemath
+        rule %r/\\(begin|end)\{.*?\}/, Name::Tag
+
+        rule %r/(\\verb)\b(\S)(.*?)(\2)/ do
+          groups Name::Builtin, Keyword::Pseudo, Str::Other, Keyword::Pseudo
+        end
+
+        rule command, Keyword, :command
+        mixin :general
+        rule %r/[^\\$%&_^{}]+/, Text
+      end
+
+      state :math do
+        rule command, Name::Variable
+        mixin :general
+        rule %r/[0-9]+/, Num
+        rule %r/[-=!+*\/()\[\]]/, Operator
+        rule %r/[^=!+*\/()\[\]\\$%&_^{}0-9-]+/, Name::Builtin
+      end
+
+      state :inlinemath do
+        rule %r/\\\)/, Punctuation, :pop!
+        rule %r/\$/, Punctuation, :pop!
+        mixin :math
+      end
+
+      state :displaymath do
+        rule %r/\\\]/, Punctuation, :pop!
+        rule %r/\$\$/, Punctuation, :pop!
+        rule %r/\$/, Name::Builtin
+        mixin :math
+      end
+
+      state :command do
+        rule %r/\[.*?\]/, Name::Attribute
+        rule %r/\*/, Keyword
+        rule(//) { pop! }
+      end
+    end
+  end
+end