private void parseStream()
{
m_Stream.Position = 0;
long firstEOLPos = StreamHelpers.Find(m_Stream, EOL_CRLF_BYTES);
if (firstEOLPos == StreamHelpers.NOT_FOUND_POS)
{
firstEOLPos = StreamHelpers.Find(m_Stream, EOL_LF_BYTES);
if (firstEOLPos == StreamHelpers.NOT_FOUND_POS)
{
throw new NFXException(StringConsts.MULTIPART_NO_LF_NOR_CRLF_ISNT_FOUND_ERROR + this.GetType().Name + ".ParseStream");
}
m_EOL = EOL_LF_BYTES;
}
else
{
m_EOL = EOL_CRLF_BYTES;
}
byte[] boundaryBytes = new byte[firstEOLPos];
boundaryBytes = new byte[firstEOLPos];
m_Stream.Read(boundaryBytes, 0, (int)firstEOLPos);
if (m_Boundary != null)
{
string streamBoundaryStr = m_Encoding.GetString(boundaryBytes).Substring(2);
if (streamBoundaryStr != m_Boundary)
{
throw new NFXException(StringConsts.MULTIPART_BOUNDARY_MISMATCH_ERROR.Args(m_Boundary, streamBoundaryStr) +
this.GetType().Name + ".ParseStream");
}
}
else
{
var fullBoundary = m_Encoding.GetString(boundaryBytes);
if (fullBoundary.Length < 3)
{
throw new NFXException(StringConsts.MULTIPART_BOUNDARY_COULDNT_BE_SHORTER_3_ERROR + this.GetType().Name + ".ParseStream");
}
m_Boundary = fullBoundary.Substring(2); // remove two leading hyphens
}
m_Stream.Position = 0;
int boundaryLength = boundaryBytes.Length;
byte[] endBoundaryBytes = new byte[boundaryLength + 2];
m_Stream.Read(endBoundaryBytes, 0, boundaryLength);
endBoundaryBytes[boundaryLength] = HYPHEN_BYTE; endBoundaryBytes[boundaryLength + 1] = HYPHEN_BYTE;
long terminatorPos = StreamHelpers.Find(m_Stream, endBoundaryBytes);
if (terminatorPos == StreamHelpers.NOT_FOUND_POS)
{
throw new NFXException(StringConsts.MULTIPART_TERMINATOR_ISNT_FOUND_ERROR + this.GetType().Name + ".ParseStream");
}
var splitSegmentCoordinates = StreamHelpers.Split(m_Stream, boundaryBytes, whatLast: terminatorPos).ToArray();
foreach (var coordinate in splitSegmentCoordinates.Where(c => (c.Item2 - c.Item1) > m_EOL.Length))
{
if (!StreamHelpers.EndsWith(m_Stream, m_EOL, coordinate.Item1, coordinate.Item2))
{
throw new NFXException(StringConsts.MULTIPART_PART_SEGMENT_ISNT_TERMINATED_CORRECTLY_ERROR.Args(m_EOL) + this.GetType().Name + ".ParseStream");
}
var part = new MultiPart(m_Stream, coordinate.Item1, coordinate.Item2 - m_EOL.Length, m_EOL, m_Encoding);
m_Parts.Add(part);
}
}