<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-GLhlTQ8iRABdZLl6O3oVMWSktQOp6b7In1Zl3/Jr59b6EGGoI1aFkw7cmDA6j6gD" crossorigin="anonymous">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.3.0/css/all.min.css"
        integrity="sha512-SzlrxWUlpfuzQ+pcUCosxcglQRNAq/DZjVsC0lE40xsADsfeQoEypE+enwcOiGjk/bSuGGKHEyjSoQ1zVisanQ=="
        crossorigin="anonymous" referrerpolicy="no-referrer" />
</head>
</html>
# frozen_string_literal: false
require "rexml/child"
module REXML
  module DTD
    class NotationDecl < Child
      START = "<!NOTATION"
      START_RE = /^\s*#{START}/um
      PUBLIC = /^\s*#{START}\s+(\w[\w-]*)\s+(PUBLIC)\s+((["']).*?\4)\s*>/um
      SYSTEM = /^\s*#{START}\s+(\w[\w-]*)\s+(SYSTEM)\s+((["']).*?\4)\s*>/um
      def initialize src
        super()
        if src.match( PUBLIC )
          md = src.match( PUBLIC, true )
        elsif src.match( SYSTEM )
          md = src.match( SYSTEM, true )
        else
          raise ParseException.new( "error parsing notation: no matching pattern", src )
        end
        @name = md[1]
        @middle = md[2]
        @rest = md[3]
      end

      def to_s
        "<!NOTATION #@name #@middle #@rest>"
      end

      def write( output, indent )
        indent( output, indent )
        output << to_s
      end

      def NotationDecl.parse_source source, listener
        md = source.match( PATTERN_RE, true )
        thing = md[0].squeeze(" \t\n\r")
        listener.send inspect.downcase, thing
      end
    end
  end
end
