/// <summary>
/// Reads all data from the source <b>stream</b> and writes it to stream. Period handling and period terminator is added as required.
/// </summary>
/// <param name="stream">Source stream which data to write to stream.</param>
/// <returns>Returns number of bytes written to source stream.</returns>
/// <exception cref="ObjectDisposedException">Is raised when this object is disposed and this method is accessed.</exception>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b> is null.</exception>
/// <exception cref="LineSizeExceededException">Is raised when <b>stream</b> has too big line.</exception>
public long WritePeriodTerminated(Stream stream)
{
if (m_IsDisposed)
{
throw new ObjectDisposedException(GetType().Name);
}
if (stream == null)
{
throw new ArgumentNullException("stream");
}
// We need to read lines, do period handling and write them to stream.
long totalWritten = 0;
byte[] buffer = new byte[m_BufferSize];
ReadLineAsyncOP readLineOP = new ReadLineAsyncOP(buffer, SizeExceededAction.ThrowException);
SmartStream reader = new SmartStream(stream, false);
while (true)
{
reader.ReadLine(readLineOP, false);
if (readLineOP.Error != null)
{
throw readLineOP.Error;
}
// We reached end of stream, no more data.
if (readLineOP.BytesInBuffer == 0)
{
break;
}
// Period handling. If line starts with period(.), additional period is added.
if (readLineOP.LineBytesInBuffer > 0 && buffer[0] == '.')
{
// Add additional period.
Write(new[] {(byte) '.'}, 0, 1);
totalWritten++;
}
// Write line to source stream.
Write(buffer, 0, readLineOP.BytesInBuffer);
totalWritten += readLineOP.BytesInBuffer;
}
// Write period terminator.
WriteLine(".");
Flush();
return totalWritten;
}
