private void ParseBody(byte[] data)
{
this.UnprocessedData = new byte[] { };
if (StartBoundary == "--") //isEmpty = > singlepart
{
this._bodyBytes = data;
}
else //multipart
{
var crlf = DefaultEncoding.GetBytes(CRLF);
int index = 0;
byte[] stringBytes;
//чтение собственного текста
{
int nextIndex = index;
while (readLine(data, ref nextIndex, out stringBytes))
{
if (stringBytes.ValueEquals(this.StartBoundaryBytes1) || stringBytes.ValueEquals(this.EndBoundaryBytes))
{
this._bodyBytes = data.GetSubArray(0, index);
break;
}
index = nextIndex;
}
index = nextIndex;
}
//достигнут конец данных
if (stringBytes == null || stringBytes.ValueEquals(this.EndBoundaryBytes))
{
return;
}
int endIndex = BytesExtensions.IndexOf(data, this.EndBoundaryBytes, index);
if (endIndex == -1)
{
endIndex = data.Length;
}
while (index < endIndex)
{
int nextIndex = BytesExtensions.IndexOf(data, this.StartBoundaryBytes1, index);
if (nextIndex == -1)
{
nextIndex = data.Length + crlf.Length;
}
var childData = data.GetSubArray(index, nextIndex - index - crlf.Length);
var child = createMimeReader(this, childData);
this.Children.Add(child);
index = nextIndex + this.StartBoundaryBytes1.Length + crlf.Length;
}
}
}
private bool readLine(byte[] data, ref int index, out byte[] stringBytes)
{
if (index >= data.Length)
{
stringBytes = null;
return(false);
}
else
{
var crlf = DefaultEncoding.GetBytes(CRLF);
var crlfIndex = BytesExtensions.IndexOf(data, crlf, index);
if (crlfIndex == -1)
{
stringBytes = data.GetSubArrayStartingAt(index);
index = data.Length;
}
else
{
stringBytes = data.GetSubArray(index, crlfIndex - index);
index = crlfIndex + crlf.Length;
}
return(true);
}
}
private byte[] ParseHeaders(byte[] data)
{
var crlf = DefaultEncoding.GetBytes(CRLF);
var endOfHeader = false;
var currentHeader = "";
int index = 0;
while (index < data.Length && !endOfHeader)
{
int lineBreakIndex = BytesExtensions.IndexOf(data, crlf, index);
var breakFound = (lineBreakIndex != -1);
if (!breakFound)
{
lineBreakIndex = data.Length;
}
int subStringLength = lineBreakIndex - index;
var headerLineBytes = new byte[subStringLength];
Array.Copy(data, index, headerLineBytes, 0, subStringLength);
var line = DefaultEncoding.GetString(headerLineBytes);
processHeaderLine(ref currentHeader, line, ref endOfHeader);
index = lineBreakIndex;
if (breakFound)
{
index += crlf.Length;
}
}
this._headerBytes = new byte[index];
Array.Copy(data, this._headerBytes, index);
processCommonHeaderAttribs();
return(getUnprocessedData(data, index));
}