private byte[] ReadNextPart(Stream targetStream, Func <byte[], Encoding, byte[]> decoder, Encoding useEncoding, byte[] boundaryMarker)
{
var addNewLine = false;
while (true)
{
byte[] buffer;
var chunkStop = ReadChunkOrLine(out buffer, BUFFER_SIZE);
if (boundaryMarker != null && BufferStartsWith(buffer, boundaryMarker))
{
return(buffer);
}
if (boundaryMarker != null && chunkStop == ChunkStop.EndOfStream)
{
throw XRoadException.MultipartManusegaSõnumiOotamatuLõpp();
}
if (decoder != null)
{
buffer = decoder(buffer, useEncoding);
}
if (decoder == null && addNewLine)
{
targetStream.Write(newLine, 0, newLine.Length);
}
targetStream.Write(buffer, 0, buffer.Length);
if (chunkStop == ChunkStop.EndOfStream)
{
return(buffer);
}
addNewLine = chunkStop == ChunkStop.NewLine;
}
}
