lib/osheet/worksheet.rb in osheet-0.5.0 vs lib/osheet/worksheet.rb in osheet-0.6.0

@@ -5,10 +5,11 @@
   class Worksheet
     include Instance
     include Associations
     include WorkbookElement
     include MetaElement
+    include MarkupElement
 
     hm :columns
     hm :rows
 
     def initialize(workbook=nil, *args, &block)
@@ -32,10 +33,13 @@
 
     def sanitized_name(name_value)
       if get_ivar(:workbook) && get_ivar(:workbook).worksheets.collect{|ws| ws.name}.include?(name_value)
         raise ArgumentError, "the sheet name '#{name_value}' is already in use.  choose a sheet name that is not used by another sheet"
       end
-      name_value
+      if name_value.to_s.length > 31
+        raise ArgumentError, "worksheet names must be less than 32 characters long"
+      end
+      name_value.to_s
     end
 
   end
 end