lib/saxlsx/rows_collection.rb in saxlsx-0.2.0 vs lib/saxlsx/rows_collection.rb in saxlsx-0.3.0

@@ -5,16 +5,23 @@
 
     def initialize(index, file_system, shared_strings)
       @index = index
       @file_system = file_system
       @shared_strings = shared_strings
+      @sheet = file_system.sheet(index)
     end
 
     def each(&block)
-      RowsCollectionParser.parse @index, @file_system, @shared_strings, &block
+      RowsCollectionParser.parse @index, @sheet, @shared_strings, &block
     end
 
+    def count
+      @count ||= @sheet.match(/<dimension ref="[^:]+:[A-Z]*(\d+)"/)[1].to_i
+    end
+
+    alias :size :count
+
     def [](value)
       to_a[value]
     end
   end
-end
\ No newline at end of file
+end