/// <summary>
/// Read a line from the byte stream
/// </summary>
/// <returns></returns>
public async Task <string> ReadLineAsync()
{
byte lastChar = default(byte);
int bufferDataLength = 0;
// try to use the thread static buffer, usually it is enough
var buffer = Buffer;
while (stream.DataAvailable || await stream.FillBufferAsync())
{
byte newChar = stream.ReadByteFromBuffer();
buffer[bufferDataLength] = newChar;
//if new line
if (lastChar == '\r' && newChar == '\n')
{
return(encoding.GetString(buffer, 0, bufferDataLength - 1));
}
//end of stream
if (newChar == '\0')
{
return(encoding.GetString(buffer, 0, bufferDataLength));
}
bufferDataLength++;
//store last char for new line comparison
lastChar = newChar;
if (bufferDataLength == buffer.Length)
{
ResizeBuffer(ref buffer, bufferDataLength * 2);
}
}
if (bufferDataLength == 0)
{
return(null);
}
return(encoding.GetString(buffer, 0, bufferDataLength));
}
/// <summary>
/// Fills the buffer asynchronous.
/// </summary>
/// <returns></returns>
Task <bool> IBufferedStream.FillBufferAsync()
{
return(baseStream.FillBufferAsync());
}