// Token: 0x060004A4 RID: 1188 RVA: 0x0001A7C4 File Offset: 0x000189C4
public override string ToString()
{
int count = this.Count;
if (count <= 1)
{
return(this.first.ToString());
}
StringBuilder stringBuilder = ScratchPad.GetStringBuilder(this.Length);
for (int i = 0; i < count; i++)
{
MimeString mimeString = this[i];
string value = ByteString.BytesToString(mimeString.Data, mimeString.Offset, mimeString.Length, true);
stringBuilder.Append(value);
}
ScratchPad.ReleaseStringBuilder();
return(stringBuilder.ToString());
}
public bool TryDecodeValue(Charset defaultCharset, bool enableFallback, bool allowControlCharacters, bool enable2047, bool enableJisDetection, bool enableUtf8Detection, bool enableDbcsDetection, out string charsetName, out string cultureName, out EncodingScheme encodingScheme, out string value)
{
charsetName = null;
cultureName = null;
encodingScheme = EncodingScheme.None;
value = null;
StringBuilder stringBuilder = ScratchPad.GetStringBuilder(Math.Min(1024, this.iterator.TotalLength));
char[] array = null;
byte[] array2 = null;
ValuePosition currentPosition = this.iterator.CurrentPosition;
bool flag = false;
bool flag2 = false;
if (defaultCharset != null && (enableJisDetection || enableUtf8Detection || (enableDbcsDetection && FeInboundCharsetDetector.IsSupportedFarEastCharset(defaultCharset))))
{
defaultCharset = this.DetectValueCharset(defaultCharset, enableJisDetection, enableUtf8Detection, enableDbcsDetection, out encodingScheme);
flag2 = true;
}
Decoder decoder = null;
string text = null;
if (!enable2047)
{
this.iterator.SkipToEof();
}
else
{
string lastEncodedWordLanguage = null;
Charset charset = null;
Decoder decoder2 = null;
bool flag3 = true;
string text2;
for (;;)
{
this.ParseRawFragment(ref flag);
if (this.iterator.Eof)
{
goto IL_217;
}
ValuePosition currentPosition2 = this.iterator.CurrentPosition;
string text3;
byte bOrQ;
ValuePosition encodedWordContentStart;
ValuePosition encodedWordContentEnd;
if (!this.ParseEncodedWord(text, lastEncodedWordLanguage, ref array2, out text2, out text3, out bOrQ, out encodedWordContentStart, out encodedWordContentEnd))
{
flag = false;
}
else
{
if (text == null)
{
encodingScheme = EncodingScheme.Rfc2047;
charsetName = text2;
cultureName = text3;
}
text = text2;
if (currentPosition != currentPosition2 && !flag)
{
if (!flag3)
{
this.FlushDecoder(decoder2, allowControlCharacters, ref array2, ref array, stringBuilder);
flag3 = true;
}
if (decoder == null)
{
if (defaultCharset == null || !defaultCharset.IsAvailable)
{
if (!enableFallback)
{
break;
}
}
else
{
decoder = defaultCharset.GetEncoding().GetDecoder();
}
}
if (decoder != null)
{
this.ConvertRawFragment(currentPosition, currentPosition2, decoder, allowControlCharacters, ref array, stringBuilder);
}
else
{
this.ZeroExpandFragment(currentPosition, currentPosition2, allowControlCharacters, stringBuilder);
}
}
Charset charset2;
if (!Charset.TryGetCharset(text2, out charset2))
{
if (!flag3)
{
this.FlushDecoder(decoder2, allowControlCharacters, ref array2, ref array, stringBuilder);
flag3 = true;
}
if (!enableFallback)
{
goto Block_19;
}
decoder2 = null;
}
else if (charset2 != charset)
{
if (!flag3)
{
this.FlushDecoder(decoder2, allowControlCharacters, ref array2, ref array, stringBuilder);
flag3 = true;
}
if (!charset2.IsAvailable)
{
if (!enableFallback)
{
goto Block_23;
}
decoder2 = null;
}
else
{
decoder2 = charset2.GetEncoding().GetDecoder();
charset = charset2;
}
}
if (decoder2 != null)
{
this.DecodeEncodedWord(bOrQ, decoder2, encodedWordContentStart, encodedWordContentEnd, allowControlCharacters, ref array2, ref array, stringBuilder);
flag3 = false;
}
else
{
this.ZeroExpandFragment(currentPosition2, this.iterator.CurrentPosition, allowControlCharacters, stringBuilder);
}
currentPosition = this.iterator.CurrentPosition;
flag = true;
}
}
charsetName = ((defaultCharset == null) ? null : defaultCharset.Name);
return(false);
Block_19:
charsetName = text2;
return(false);
Block_23:
charsetName = text2;
return(false);
IL_217:
if (!flag3)
{
this.FlushDecoder(decoder2, allowControlCharacters, ref array2, ref array, stringBuilder);
}
}
if (currentPosition != this.iterator.CurrentPosition)
{
if (text == null)
{
if (flag2 && encodingScheme == EncodingScheme.None && defaultCharset != null && !defaultCharset.IsSevenBit && defaultCharset.AsciiSupport == CodePageAsciiSupport.Complete)
{
charsetName = Charset.ASCII.Name;
}
else
{
charsetName = ((defaultCharset == null) ? null : defaultCharset.Name);
}
}
if (decoder == null)
{
if (defaultCharset == null || !defaultCharset.IsAvailable)
{
if (!enableFallback)
{
charsetName = ((defaultCharset == null) ? null : defaultCharset.Name);
return(false);
}
decoder = null;
}
else
{
decoder = defaultCharset.GetEncoding().GetDecoder();
}
}
if (decoder != null)
{
this.ConvertRawFragment(currentPosition, this.iterator.CurrentPosition, decoder, allowControlCharacters, ref array, stringBuilder);
}
else
{
this.ZeroExpandFragment(currentPosition, this.iterator.CurrentPosition, allowControlCharacters, stringBuilder);
}
}
ScratchPad.ReleaseStringBuilder();
value = stringBuilder.ToString();
return(true);
}
