''

def parseWriteSheet(self, cnames):

    self.repeatUse = {}
    self.useless = []
    for index in range(1, (self.xbook.getSheetCount() + 1)):
        name = self.xbook.getSheetNameByIndex(index)
        if (name in cnames):
            self.repeatUse[name] = index
        else:
            self.useless.append(index)
    return
