public override int Read(byte[] buffer, int offset, int count)
{
// find the number of bytes to copy
int numBytes = _length - _pos;
if (count < numBytes)
{
numBytes = count;
}
// copy the bytes
if (numBytes > 0)
{
_data.CopyBytes(_offset + _pos, buffer, offset, numBytes);
}
// adjust the position
_pos += numBytes;
return(numBytes);
}
private void ParsePartHeaders()
{
_partName = null;
_partFilename = null;
_partContentType = null;
while (GetNextLine())
{
if (_lineLength == 0)
{
break; // empty line signals end of headers
}
// get line as String
byte[] lineBytes = new byte[_lineLength];
_data.CopyBytes(_lineStart, lineBytes, 0, _lineLength);
String line = _encoding.GetString(lineBytes);
// parse into header and value
int ic = line.IndexOf(':');
if (ic < 0)
{
continue; // not a header
}
// remeber header
String header = line.Substring(0, ic);
if (StringUtil.EqualsIgnoreCase(header, "Content-Disposition"))
{
// parse name and filename
_partName = ExtractValueFromContentDispositionHeader(line, ic + 1, "name");
_partFilename = ExtractValueFromContentDispositionHeader(line, ic + 1, "filename");
}
else if (StringUtil.EqualsIgnoreCase(header, "Content-Type"))
{
_partContentType = line.Substring(ic + 1).Trim();
}
}
}
