// Token: 0x0600025C RID: 604 RVA: 0x0000BAE0 File Offset: 0x00009CE0
internal static LineTerminationState AdvanceLineTerminationState(LineTerminationState previousLineTerminationState, byte[] data, int offset, int count)
{
if (count == 0)
{
return(previousLineTerminationState);
}
byte b = data[offset + count - 1];
if (b == 13)
{
return(LineTerminationState.CR);
}
if (b != 10)
{
return(LineTerminationState.Other);
}
if (count >= 2)
{
if (data[offset + count - 2] == 13)
{
return(LineTerminationState.CRLF);
}
return(LineTerminationState.Other);
}
else
{
if (previousLineTerminationState == LineTerminationState.CR)
{
return(LineTerminationState.CRLF);
}
return(LineTerminationState.Other);
}
}
internal static LineTerminationState AdvanceLineTerminationState(LineTerminationState previousLineTerminationState, byte[] data, int offset, int count)
{
if (count == 0)
return previousLineTerminationState;
switch (data[offset + count - 1]) {
case 13:
return LineTerminationState.CR;
case 10:
if (count >= 2)
return (int) data[offset + count - 2] == 13 ? LineTerminationState.CRLF : LineTerminationState.Other;
return previousLineTerminationState == LineTerminationState.CR ? LineTerminationState.CRLF : LineTerminationState.Other;
default:
return LineTerminationState.Other;
}
}
protected virtual void Dispose(bool disposing)
{
if (data == null)
return;
try {
if (!disposing)
return;
while (partDepth != 0)
this.EndPart();
this.FlushWriteQueue();
if (lineTermination == LineTerminationState.CRLF)
return;
if (lineTermination == LineTerminationState.CR)
data.Write(MimeString.CrLf, 1, 1);
else
data.Write(MimeString.CrLf, 0, MimeString.CrLf.Length);
lineTermination = LineTerminationState.CRLF;
} finally {
if (disposing) {
if (encodedPartContent != null)
encodedPartContent.Dispose();
if (partContent != null)
partContent.Dispose();
data.Dispose();
}
state = MimeWriteState.Complete;
encodedPartContent = null;
partContent = null;
data = null;
}
}
internal void QueueWrite(byte[] data, int offset, int count)
{
bytesWritten += count;
lineTermination = MimeCommon.AdvanceLineTerminationState(lineTermination, data, offset, count);
if ((writeCount == 1 ? currentWrite.Length - currentWrite.Count : (writeCount == 0 ? QueuedWrite.QueuedWriteSize : 0)) >= count) {
if (writeCount == 0) {
var write = new QueuedWrite();
this.PushWrite(ref write);
}
currentWrite.Append(data, offset, count);
} else {
var write = new QueuedWrite();
if (count < QueuedWrite.QueuedWriteSize && writeCount > 0)
write = currentWrite;
this.FlushWriteQueue();
if (count < QueuedWrite.QueuedWriteSize && write.Length > 0) {
write.Reset();
write.Append(data, offset, count);
this.PushWrite(ref write);
} else
this.data.Write(data, offset, count);
}
}