lib/hexapdf/parser.rb in hexapdf-0.19.1 vs lib/hexapdf/parser.rb in hexapdf-0.19.2

@@ -60,13 +60,19 @@
       @tokenizer = Tokenizer.new(io, on_correctable_error: on_correctable_error)
       @document = document
       @object_stream_data = {}
       @reconstructed_revision = nil
       @in_reconstruct_revision = false
+      @contains_xref_streams = false
       retrieve_pdf_header_offset_and_version
     end
 
+    # Returns +true+ if the PDF file contains cross-reference streams.
+    def contains_xref_streams?
+      @contains_xref_streams
+    end
+
     # Loads the indirect (potentially compressed) object specified by the given cross-reference
     # entry.
     #
     # For information about the +xref_entry+ argument, have a look at HexaPDF::XRefSection and
     # HexaPDF::XRefSection::Entry.
@@ -228,9 +234,10 @@
         trailer = obj.trailer
         unless xref_section.entry?(obj.oid, obj.gen)
           maybe_raise("Cross-reference stream doesn't contain entry for itself", pos: pos)
           xref_section.add_in_use_entry(obj.oid, obj.gen, pos)
         end
+        @contains_xref_streams = true
       end
       xref_section.delete(0)
       [xref_section, trailer]
     end