private bool BufferEnd()
{
if (this.maxOffset != 0)
{
return(false);
}
if (this.readState != MimeHeaderReader.ReadState.ReadWS && this.readState != MimeHeaderReader.ReadState.ReadValue)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeReaderMalformedHeader", new object[0])));
}
this.readState = MimeHeaderReader.ReadState.EOF;
return(true);
}
public void Reset(Stream inputStream)
{
if (inputStream == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("inputStream");
}
if (this.readState != MimeHeaderReader.ReadState.EOF)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString("MimeReaderResetCalledBeforeEOF", new object[0])));
}
this.stream = inputStream;
this.readState = MimeHeaderReader.ReadState.ReadName;
this.maxOffset = 0;
this.offset = 0;
}
private bool ProcessBuffer(int maxBuffer, ref int remaining)
{
int num = this.offset;
int num2 = this.maxOffset;
int i = num;
switch (this.readState)
{
case MimeHeaderReader.ReadState.ReadName:
while (i < num2)
{
byte b = this.buffer[i];
if (b == 58)
{
this.AppendName(Encoding.UTF8.GetString(this.buffer, num, i - num), maxBuffer, ref remaining);
i++;
goto IL_177;
}
if (b >= 65 && b <= 90)
{
b += 32;
this.buffer[i] = b;
}
else if (b < 33 || b > 126)
{
if (this.name != null || b != 13)
{
string arg_118_0 = "MimeHeaderInvalidCharacter";
object[] array = new object[2];
array[0] = this.buffer[i];
object[] arg_115_0 = array;
int arg_115_1 = 1;
int num3 = (int)this.buffer[i];
arg_115_0[arg_115_1] = num3.ToString("X", CultureInfo.InvariantCulture);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString(arg_118_0, array)));
}
i++;
if (i >= num2 || this.buffer[i] != 10)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeReaderMalformedHeader", new object[0])));
}
goto IL_283;
}
i++;
}
this.AppendName(Encoding.UTF8.GetString(this.buffer, num, i - num), maxBuffer, ref remaining);
this.readState = MimeHeaderReader.ReadState.ReadName;
goto IL_293;
case MimeHeaderReader.ReadState.SkipWS:
break;
case MimeHeaderReader.ReadState.ReadValue:
goto IL_187;
case MimeHeaderReader.ReadState.ReadLF:
goto IL_20E;
case MimeHeaderReader.ReadState.ReadWS:
goto IL_248;
case MimeHeaderReader.ReadState.EOF:
goto IL_283;
default:
goto IL_293;
}
IL_177:
while (i < num2)
{
if (this.buffer[i] != 9 && this.buffer[i] != 32)
{
goto IL_187;
}
i++;
}
this.readState = MimeHeaderReader.ReadState.SkipWS;
goto IL_293;
IL_187:
num = i;
while (i < num2)
{
byte b2 = this.buffer[i];
if (b2 == 13)
{
this.AppendValue(Encoding.UTF8.GetString(this.buffer, num, i - num), maxBuffer, ref remaining);
i++;
goto IL_20E;
}
if (b2 == 10)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeReaderMalformedHeader", new object[0])));
}
i++;
}
this.AppendValue(Encoding.UTF8.GetString(this.buffer, num, i - num), maxBuffer, ref remaining);
this.readState = MimeHeaderReader.ReadState.ReadValue;
goto IL_293;
IL_20E:
if (i >= num2)
{
this.readState = MimeHeaderReader.ReadState.ReadLF;
goto IL_293;
}
if (this.buffer[i] != 10)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeReaderMalformedHeader", new object[0])));
}
i++;
IL_248:
if (i >= num2)
{
this.readState = MimeHeaderReader.ReadState.ReadWS;
goto IL_293;
}
if (this.buffer[i] != 32 && this.buffer[i] != 9)
{
this.readState = MimeHeaderReader.ReadState.ReadName;
this.offset = i;
return(true);
}
goto IL_187;
IL_283:
this.readState = MimeHeaderReader.ReadState.EOF;
this.offset = i;
return(true);
IL_293:
this.offset = i;
return(false);
}
public void Close()
{
this.stream.Dispose();// Close();
this.readState = MimeHeaderReader.ReadState.EOF;
}
