code: def get_size(self, name: str) -> int:
          
          crc32 = binascii.crc32(name.encode())
          if crc32 in self.crc32_map:
              return self.crc32_map[crc32]
  
          if name in self.name_map:
              return self.name_map[name]
  
          return 0
docs: Get a resource size from the RSTB.