lib/roo/google.rb in roo-1.2.0 vs lib/roo/google.rb in roo-1.2.1

@@ -160,10 +160,11 @@
   # * :string
   # * :date
   # * :percentage
   # * :formula
   # * :time
+    # * :datetime
   def celltype(row, col, sheet=nil)
     sheet = @default_sheet unless sheet
     read_cells(sheet) unless @cells_read[sheet]
     row,col = normalize(row,col)
     if @formula[sheet]["#{row},#{col}"]
@@ -319,9 +320,10 @@
   private
 
   # read all cells in a sheet
   def read_cells(sheet=nil)
     sheet = @default_sheet unless sheet
+    raise RangeError, "illegal sheet <#{sheet}>" unless sheets.index(sheet)
     sheet_no = sheets.index(sheet)+1
     doc = @gs.fulldoc(sheet_no)
     (doc/"gs:cell").each {|item|
       row = item['row']
       col = item['col']