<source lang="lua">
function Encoder.put(self, chunk)
if self.buffersize < 2 then coroutine.yield(chunk) else if #self.buffer + #chunk > self.buffersize then local written = 0 local fbuffer = self.buffersize - #self.buffer
coroutine.yield(self.buffer .. chunk:sub(written + 1, fbuffer)) written = fbuffer
while #chunk - written > self.buffersize do fbuffer = written + self.buffersize coroutine.yield(chunk:sub(written + 1, fbuffer)) written = fbuffer end
self.buffer = chunk:sub(written + 1) else self.buffer = self.buffer .. chunk end end
end
</source>