Returns the type of the encoder. The result is one of the followin values:
HaruEncoder::TYPE_SINGLE_BYTE - the encoder is for single byte characters. |
HaruEncoder::TYPE_DOUBLE_BYTE - the encoder is for multibyte characters. |
HaruEncoder::TYPE_UNINITIALIZED - the encoder is not initialized. |
HaruEncoder::UNKNOWN - the encoder is invalid. |