gistfile1.txt

grammar ThingFeed
  
  rule thing_file
    thing_header thing_feed_body+ footer
  end
  
  rule thing_header
    file_version_number pipe header_value pipe feed_id pipe feed_type pipe source pipe feed_date pipe results_file_name pipe record_count newline
  end

  rule thing_feed_body
    recording_sequence pipe event_id pipe client_product_code pipe credit_card_account_id pipe customer_member_number pipe thing_name pipe points newline
  end
  
  rule thing_name
    'ONP' {
      def value
        valid_regexes = [/ONP/,/OFP/,/SRE/,/FST/,/S6E[0-9]/,/ADJ/]
        if valid_regexes.select{|regex| regex.match(value) }.size > 0
          text_value
        end
      end
    }
    / 
    'OFP' {
      def value
        valid_regexes = [/ONP/,/OFP/,/SRE/,/FST/,/S6E[0-9]/,/ADJ/]
        if valid_regexes.select{|regex| regex.match(value) }.size > 0
          text_value
        end
      end
    }
    / 
    'SRE' {
      def value
        valid_regexes = [/ONP/,/OFP/,/SRE/,/FST/,/S6E[0-9]/,/ADJ/]
        if valid_regexes.select{|regex| regex.match(value) }.size > 0
          text_value
        end
      end
    }
    / 
    'FST' {
      def value
        valid_regexes = [/ONP/,/OFP/,/SRE/,/FST/,/S6E[0-9]/,/ADJ/]
        if valid_regexes.select{|regex| regex.match(value) }.size > 0
          text_value
        end
      end
    }
    / 
    'S6E' number+ {
      def value
        valid_regexes = [/ONP/,/OFP/,/SRE/,/FST/,/S6E[0-9]/,/ADJ/]
        if valid_regexes.select{|regex| regex.match(value) }.size > 0
          text_value
        end
      end
    }
    / 
    'ADJ' {
      def value
        valid_regexes = [/ONP/,/OFP/,/SRE/,/FST/,/S6E[0-9]/,/ADJ/]
        if valid_regexes.select{|regex| regex.match(value) }.size > 0
          text_value
        end
      end
    }
  end
  
  rule points
    number+
  end

  rule footer
    'End' newline
  end

 rule alpha
    [a-zA-Z]
  end

  rule email_address
    [a-zA-Z\-_.0-9]+ '@' [a-zA-Z\-_.0-9]+
  end
  
  rule newline
    [\n]
  end
  
  rule number
    [0-9]
  end
  
  rule pipe
    '|'
  end
  
  rule string
    [a-zA-Z .-_]
  end

  rule feed_type
    'Thing'
  end

  rule results_file_name
     'ThingFeed.' number+ '_' number+ '.Result.txt' 
  end

  rule client_product_code
    'XYZ'
  end

  rule credit_card_account_id
    number+
  end
  
  rule customer_member_number
    number+
  end
  
  rule event_id
    number+
  end
  
  rule recording_sequence
    number+
  end

 rule feed_date
    number+ '_' number+
  end

  rule feed_id
    number+
  end

  rule file_version_number
    'V1.0'
  end
  
  rule header_value
    'Begin'
  end
  
  rule record_count
    number+
  end
   
  rule source
    alpha+
  end
end