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Add support for binary encoding #9

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Add support for binary encoding #9

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2 changes: 2 additions & 0 deletions decode/constants.go
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,8 @@ const SHARED_STRING_REFERENCE_LONG_2 = 0xED
const SHARED_STRING_REFERENCE_LONG_3 = 0xEE
const SHARED_STRING_REFERENCE_LONG_4 = 0xEF
const STRING_END byte = 0xFC
const START_BINARY byte = 0xFD
const END_BINARY byte = 0xFF

const EMPTY_STRING byte = 0x20
const NULL byte = 0x21
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15 changes: 15 additions & 0 deletions decode/decoder.go
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Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,22 @@ func (d *Decoder) parseBinaryLongTextStructureValues(smileBytes []byte) ([]byte,
return smileBytes[2:], value, err
case LONG_UTF8:
return readVariableLengthText(smileBytes)
case START_BINARY:
return d.parseBinary(smileBytes[1:])
}

return nil, nil, fmt.Errorf("unknown byte '%X' in parseBinaryLongTextStructureValues\n", nextByte)
}

func (d *Decoder) parseBinary(smileBytes []byte) ([]byte, interface{}, error) {
smileBytes, length, err := readVarInt(smileBytes, true)
if err != nil {
return smileBytes, nil, err
}
data := smileBytes[:length*2]
smileBytes = smileBytes[length*2:]
if smileBytes[0] == END_BINARY {
return smileBytes[1:], data, nil
}
return smileBytes, data, nil
}