public void SetContentType(MajorContentType contentType, MimeString boundaryValue)
{
if (contentType == MajorContentType.Multipart) {
int offset;
int count;
var data = boundaryValue.GetData(out offset, out count);
var numArray = new byte[MimeString.TwoDashes.Length + count + MimeString.TwoDashes.Length];
var length = MimeString.TwoDashes.Length;
System.Buffer.BlockCopy(MimeString.TwoDashes, 0, numArray, 0, length);
System.Buffer.BlockCopy(data, offset, numArray, length, count);
var num1 = length + count;
boundaryCrc = Internal.ByteString.ComputeCrc(numArray, 0, num1);
System.Buffer.BlockCopy(MimeString.TwoDashes, 0, numArray, num1, MimeString.TwoDashes.Length);
var num2 = num1 + MimeString.TwoDashes.Length;
endBoundaryCrc = Internal.ByteString.ComputeCrc(numArray, 0, num2);
this.boundaryValue = new MimeString(numArray, 0, num2);
} else {
this.boundaryValue = new MimeString();
boundaryCrc = 0U;
endBoundaryCrc = 0U;
}
this.ContentType = contentType;
}
private bool IsQuotingRequired(MimeString mimeStr, bool allowUTF8)
{
var writeState = WriteState.Begin;
var mimeString = new MimeString(WordBreakBytes, 0, WordBreakBytes.Length);
int offset;
int count;
var data = mimeStr.GetData(out offset, out count);
while (count != 0) {
switch (writeState) {
case WriteState.Begin:
var characterCount = 0;
var endOf = MimeScan.FindEndOf(MimeScan.Token.Atom, data, offset, count, out characterCount, allowUTF8);
if (endOf == 0) {
if (count <= 3 || offset != 0 || !mimeString.HasPrefixEq(data, 0, 3))
return true;
offset += 3;
count -= 3;
writeState = WriteState.Begin;
continue;
}
offset += endOf;
count -= endOf;
writeState = WriteState.Atom;
continue;
case WriteState.Atom:
if ((count < 2 || data[offset] != 32) && (count < 1 || data[offset] != 46))
return true;
++offset;
--count;
writeState = WriteState.Begin;
continue;
default:
continue;
}
}
return false;
}