lib/pdf/reader/cmap.rb in pdf-reader-2.6.0 vs lib/pdf/reader/cmap.rb in pdf-reader-2.7.0

@@ -1,6 +1,7 @@
 # coding: utf-8
+# typed: false
 # frozen_string_literal: true
 
 ################################################################################
 #
 # Copyright (C) 2008 James Healy ([e-mail])
@@ -30,10 +31,11 @@
 
   # wraps a string containing a PDF CMap and provides convenience methods for
   # extracting various useful information.
   #
   class CMap # :nodoc:
+
     CMAP_KEYWORDS = {
       "begincodespacerange" => 1,
       "endcodespacerange" => 1,
       "beginbfchar" => 1,
       "endbfchar" => 1,
@@ -51,25 +53,25 @@
       process_data(data)
     end
 
     def process_data(data)
       parser = build_parser(data)
-      mode = nil
+      mode = :none
       instructions = []
 
       while token = parser.parse_token(CMAP_KEYWORDS)
         if token == "beginbfchar"
           mode = :char
         elsif token == "endbfchar"
           process_bfchar_instructions(instructions)
           instructions = []
-          mode = nil
+          mode = :none
         elsif token == "beginbfrange"
           mode = :range
         elsif token == "endbfrange"
           process_bfrange_instructions(instructions)
           instructions = []
-          mode = nil
+          mode = :none
         elsif mode == :char || mode == :range
           instructions << token
         end
       end
     end