def AppendSInt64(self, field_number, value):
"""Appends a 64-bit integer to our buffer, zigzag-encoded and then
varint-encoded.
"""
self._AppendTag(field_number, wire_format.WIRETYPE_VARINT)
zigzag_value = wire_format.ZigZagEncode(value)
self._stream.AppendVarUInt64(zigzag_value)
def encode_svarint(value):
"""Zigzag encode the potentially signed value prior to encoding"""
# zigzag encode value
return encode_uvarint(wire_format.ZigZagEncode(value))
def _encode_signed_varint(cls, value):
value = protobuf_wire_format.ZigZagEncode(value)
data = []
_SignedVarintEncoder(data.append, value)
return b''.join(data)
def AppendSInt64NoTag(self, value):
"""Appends a 64-bit integer to our buffer, zigzag-encoded and then
varint-encoded.
"""
zigzag_value = wire_format.ZigZagEncode(value)
self._stream.AppendVarUInt64(zigzag_value)
def write_long_no_tag(self, val):
_EncodeVarint(self._write, wire_format.ZigZagEncode(val))
