def encode_to_stream(self, value, out, nested):
# Compatible with Java's IterableLikeCoder.
if hasattr(value, '__len__'):
out.write_bigendian_int32(len(value))
for elem in value:
self._elem_coder.encode_to_stream(elem, out, True)
else:
# We don't know the size without traversing it so use a fixed size buffer
# and encode as many elements as possible into it before outputting
# the size followed by the elements.
# -1 to indicate that the length is not known.
out.write_bigendian_int32(-1)
buffer = create_OutputStream()
prev_index = index = -1
for index, elem in enumerate(value):
self._elem_coder.encode_to_stream(elem, buffer, True)
if out.size() > self._DEFAULT_BUFFER_SIZE:
out.write_var_int64(index - prev_index)
out.write(buffer.get())
prev_index = index
buffer = create_OutputStream()
if index > prev_index:
out.write_var_int64(index - prev_index)
out.write(buffer.get())
out.write_var_int64(0)
def encode_to_stream(self, value, out, nested):
# Compatible with Java's IterableLikeCoder.
if hasattr(value, '__len__'):
out.write_bigendian_int32(len(value))
for elem in value:
self._elem_coder.encode_to_stream(elem, out, True)
else:
# We don't know the size without traversing it so use a fixed size buffer
# and encode as many elements as possible into it before outputting
# the size followed by the elements.
# -1 to indicate that the length is not known.
out.write_bigendian_int32(-1)
buffer = create_OutputStream()
prev_index = index = -1
for index, elem in enumerate(value):
self._elem_coder.encode_to_stream(elem, buffer, True)
if out.size() > self._DEFAULT_BUFFER_SIZE:
out.write_var_int64(index - prev_index)
out.write(buffer.get())
prev_index = index
buffer = create_OutputStream()
if index > prev_index:
out.write_var_int64(index - prev_index)
out.write(buffer.get())
out.write_var_int64(0)
def encode(self, value): out = create_OutputStream() self.encode_to_stream(value, out, False) return out.get()
def encode(self, value):
out = create_OutputStream()
self.encode_to_stream(value, out, False)
return out.get()