Method get_encoded_meta_string

python/pyfory/registry.py:297–323

(self, metastr)

        self._encoded_metastrings = {}

    def get_encoded_meta_string(self, metastr) -> EncodedMetaString:
        encoded_meta_string = self._metastr_to_bytes.get(metastr)
        if encoded_meta_string is not None:
            return encoded_meta_string
        data = metastr.encoded_data
        length = len(data)
        if length == 0:
            encoded_meta_string = EncodedMetaString(b"", 0)
        elif length <= 16:
            if length <= 8:
                v1 = int.from_bytes(data, "little", signed=False)
                v2 = 0
            else:
                v1 = int.from_bytes(data[:8], "little", signed=False)
                v2 = int.from_bytes(data[8:], "little", signed=False)
            from pyfory.context import hash_small_metastring

            hashcode = hash_small_metastring(v1, v2, length, metastr.encoding.value)
            encoded_meta_string = self.get_or_create_encoded_meta_string(data, hashcode)
        else:
            from pyfory.lib.mmh3 import hash_buffer

            hashcode = hash_buffer(data, seed=47)[0]
            hashcode = (hashcode >> 8 << 8) | (metastr.encoding.value & 0xFF)
            encoded_meta_string = self.get_or_create_encoded_meta_string(data, hashcode)
        self._metastr_to_bytes[metastr] = encoded_meta_string
        return encoded_meta_string

    def get_or_create_encoded_meta_string(self, data: bytes, hashcode: int) -> EncodedMetaString:
        if len(data) == 0: