Add bin and edit workflow

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

@@ -0,0 +1,50 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  class TextAnalyzer < String
+    # Find a shebang.  Returns nil if no shebang is present.
+    def shebang
+      return @shebang if instance_variable_defined? :@shebang
+
+      self =~ /\A\s*#!(.*)$/
+      @shebang = $1
+    end
+
+    # Check if the given shebang is present.
+    #
+    # This normalizes things so that `text.shebang?('bash')` will detect
+    # `#!/bash`, '#!/bin/bash', '#!/usr/bin/env bash', and '#!/bin/bash -x'
+    def shebang?(match)
+      return false unless shebang
+      match = /\b#{match}(\s|$)/
+      match === shebang
+    end
+
+    # Return the contents of the doctype tag if present, nil otherwise.
+    def doctype
+      return @doctype if instance_variable_defined? :@doctype
+
+      self =~ %r(\A\s*
+        (?:<\?.*?\?>\s*)? # possible <?xml...?> tag
+        <!DOCTYPE\s+(.+?)>
+      )xm
+      @doctype = $1
+    end
+
+    # Check if the doctype matches a given regexp or string
+    def doctype?(type=//)
+      type === doctype
+    end
+
+    # Return true if the result of lexing with the given lexer contains no
+    # error tokens.
+    def lexes_cleanly?(lexer)
+      lexer.lex(self) do |(tok, _)|
+        return false if tok.name == 'Error'
+      end
+
+      true
+    end
+  end
+end