internal override void ParseValue(ValueParser parser, bool storeValue)
{
MimeStringList mimeStringList = default(MimeStringList);
parser.ParseCFWS(false, ref mimeStringList, true);
MimeString mimeString = parser.ParseToken();
if (storeValue)
{
if (mimeString.Length == 0)
{
this.disp = string.Empty;
return;
}
this.disp = Header.NormalizeString(mimeString.Data, mimeString.Offset, mimeString.Length, false);
}
}
public ValueParser(MimeStringList lines, ValueParser valueParser)
{
this.lines = lines;
this.allowUTF8 = valueParser.allowUTF8;
this.nextLine = valueParser.nextLine;
if (this.nextLine > 0 && this.nextLine <= this.lines.Count)
{
int num;
this.bytes = this.lines[this.nextLine - 1].GetData(out this.start, out num);
this.start = valueParser.start;
this.position = valueParser.position;
this.end = valueParser.end;
return;
}
this.bytes = null;
this.start = 0;
this.end = 0;
this.position = 0;
}
// Token: 0x06000302 RID: 770 RVA: 0x00010A58 File Offset: 0x0000EC58
internal override long WriteTo(Stream stream, EncodingOptions encodingOptions, MimeOutputFilter filter, ref MimeStringLength currentLineLength, ref byte[] scratchBuffer)
{
MimeStringList fragments = this.valueFragments;
long num = 0L;
if (this.valueFragments.Length == 0 && this.decodedValue != null && 0 < this.decodedValue.Length)
{
fragments = this.EncodeValue(this.decodedValue, encodingOptions);
this.valueFragments = fragments;
}
else if ((byte)(EncodingFlags.ForceReencode & encodingOptions.EncodingFlags) != 0 && 0 >= this.segmentNumber)
{
fragments = this.EncodeValue(this.Value, encodingOptions);
}
bool flag = false;
if (this.IsQuotingReqired() || fragments.Length == 0)
{
flag = true;
}
else
{
for (int i = 0; i < fragments.Count; i++)
{
MimeString str = fragments[i];
int num2 = 0;
int num3 = ValueParser.ParseToken(str, out num2, encodingOptions.AllowUTF8);
if (268435456U != str.Mask && str.Length != num3)
{
flag = true;
break;
}
}
}
MimeNode mimeNode = null;
if (this.segmentNumber == 0)
{
mimeNode = base.FirstChild;
while (mimeNode != null && !(mimeNode is MimeParameter))
{
mimeNode = mimeNode.NextSibling;
}
}
MimeString mimeString = ((this.segmentNumber == 0 && mimeNode != null) || 0 < this.segmentNumber) ? new MimeString(this.segmentNumber.ToString()) : default(MimeString);
if (1 < currentLineLength.InChars)
{
int num4 = 1 + this.paramName.Length + 1;
byte[] sz = fragments.GetSz();
int num5 = ByteString.BytesToCharCount(sz, encodingOptions.AllowUTF8);
if (mimeString.Length != 0)
{
num4 += 1 + mimeString.Length;
}
if (this.valueEncoded)
{
num4++;
}
int num6 = num5;
if (flag)
{
num6 += 2;
}
if (base.NextSibling != null)
{
if (num5 == 0)
{
num4++;
}
else
{
num6++;
}
}
num6 += num4;
if (currentLineLength.InChars + num6 > 78)
{
num += Header.WriteLineEnd(stream, ref currentLineLength);
stream.Write(Header.LineStartWhitespace, 0, Header.LineStartWhitespace.Length);
num += (long)Header.LineStartWhitespace.Length;
currentLineLength.IncrementBy(Header.LineStartWhitespace.Length);
}
else
{
stream.Write(MimeString.Space, 0, MimeString.Space.Length);
num += (long)MimeString.Space.Length;
currentLineLength.IncrementBy(MimeString.Space.Length);
}
}
int num7 = ByteString.StringToBytesCount(this.paramName, false);
if (scratchBuffer == null || scratchBuffer.Length < num7)
{
scratchBuffer = new byte[Math.Max(998, num7)];
}
int num8 = ByteString.StringToBytes(this.paramName, scratchBuffer, 0, false);
stream.Write(scratchBuffer, 0, num8);
num += (long)num8;
currentLineLength.IncrementBy(this.paramName.Length, num8);
if (mimeString.Length != 0)
{
stream.Write(MimeString.Asterisk, 0, MimeString.Asterisk.Length);
num += (long)MimeString.Asterisk.Length;
currentLineLength.IncrementBy(MimeString.Asterisk.Length);
mimeString.WriteTo(stream);
num += (long)mimeString.Length;
currentLineLength.IncrementBy(mimeString.Length);
}
if (this.valueEncoded)
{
stream.Write(MimeString.Asterisk, 0, MimeString.Asterisk.Length);
num += (long)MimeString.Asterisk.Length;
currentLineLength.IncrementBy(MimeString.Asterisk.Length);
}
stream.Write(MimeString.EqualTo, 0, MimeString.EqualTo.Length);
num += (long)MimeString.EqualTo.Length;
currentLineLength.IncrementBy(MimeString.EqualTo.Length);
int num9 = 0;
if (base.NextSibling != null)
{
num9++;
}
num += Header.QuoteAndFold(stream, fragments, 4026531839U, flag, false, encodingOptions.AllowUTF8, num9, ref currentLineLength, ref scratchBuffer);
int num10 = 0;
while (mimeNode != null)
{
MimeParameter mimeParameter = mimeNode as MimeParameter;
if (mimeParameter != null)
{
num10++;
mimeParameter.segmentNumber = num10;
stream.Write(MimeString.Semicolon, 0, MimeString.Semicolon.Length);
num += (long)MimeString.Semicolon.Length;
currentLineLength.IncrementBy(MimeString.Semicolon.Length);
num += Header.WriteLineEnd(stream, ref currentLineLength);
stream.Write(Header.LineStartWhitespace, 0, Header.LineStartWhitespace.Length);
num += (long)Header.LineStartWhitespace.Length;
currentLineLength.IncrementBy(Header.LineStartWhitespace.Length);
num += mimeNode.WriteTo(stream, encodingOptions, null, ref currentLineLength, ref scratchBuffer);
}
mimeNode = mimeNode.NextSibling;
}
return(num);
}
private void Parse()
{
this.Reset();
this.parsed = true;
DecodingOptions headerDecodingOptions = base.GetHeaderDecodingOptions();
ValueParser valueParser = new ValueParser(base.Lines, headerDecodingOptions.AllowUTF8);
MimeStringList mimeStringList = default(MimeStringList);
MimeStringList mimeStringList2 = default(MimeStringList);
MimeString mimeString = default(MimeString);
MimeString mimeString2 = MimeString.Empty;
ReceivedHeader.ParseState parseState = ReceivedHeader.ParseState.None;
for (;;)
{
valueParser.ParseWhitespace(true, ref mimeStringList);
byte b = valueParser.ParseGet();
if (b == 0)
{
break;
}
if (59 == b)
{
parseState = ReceivedHeader.ParseState.Date;
}
else if (40 == b && parseState == ReceivedHeader.ParseState.DomainValue)
{
parseState = ReceivedHeader.ParseState.DomainAddress;
}
else
{
valueParser.ParseUnget();
mimeString = valueParser.ParseToken();
if (mimeString.Length == 0)
{
valueParser.ParseGet();
mimeStringList2.TakeOverAppend(ref mimeStringList);
valueParser.ParseAppendLastByte(ref mimeStringList2);
continue;
}
ReceivedHeader.ParseState parseState2 = this.StateFromToken(mimeString);
if (ReceivedHeader.ParseState.None != parseState2)
{
parseState = parseState2;
}
}
switch (parseState)
{
case ReceivedHeader.ParseState.Domain:
case ReceivedHeader.ParseState.OptInfo:
if (mimeString2.Length != 0)
{
this.FinishClause(ref mimeString2, ref mimeStringList2, headerDecodingOptions.AllowUTF8);
}
else
{
mimeStringList2.Reset();
}
mimeString2 = mimeString;
valueParser.ParseWhitespace(false, ref mimeStringList);
mimeStringList.Reset();
parseState++;
break;
case ReceivedHeader.ParseState.DomainValue:
mimeStringList2.TakeOverAppend(ref mimeStringList);
mimeStringList2.AppendFragment(mimeString);
break;
case ReceivedHeader.ParseState.DomainAddress:
{
bool flag = mimeString2.CompareEqI(ReceivedHeader.ParamFrom);
this.FinishClause(ref mimeString2, ref mimeStringList2, headerDecodingOptions.AllowUTF8);
mimeStringList.Reset();
valueParser.ParseUnget();
valueParser.ParseComment(true, false, ref mimeStringList2, true);
byte[] sz = mimeStringList2.GetSz();
string text = (sz == null) ? null : ByteString.BytesToString(sz, headerDecodingOptions.AllowUTF8);
if (flag)
{
this.fromTcpInfoValue = text;
}
else
{
this.byTcpInfoValue = text;
}
mimeStringList2.Reset();
parseState = ReceivedHeader.ParseState.None;
break;
}
case ReceivedHeader.ParseState.OptInfoValue:
mimeStringList2.TakeOverAppend(ref mimeStringList);
mimeStringList2.AppendFragment(mimeString);
break;
case ReceivedHeader.ParseState.Date:
{
this.FinishClause(ref mimeString2, ref mimeStringList2, headerDecodingOptions.AllowUTF8);
mimeStringList.Reset();
valueParser.ParseWhitespace(false, ref mimeStringList);
valueParser.ParseToEnd(ref mimeStringList2);
byte[] sz2 = mimeStringList2.GetSz();
this.dateValue = ((sz2 == null) ? null : ByteString.BytesToString(sz2, false));
break;
}
case ReceivedHeader.ParseState.None:
mimeStringList2.Reset();
break;
}
}
this.FinishClause(ref mimeString2, ref mimeStringList2, headerDecodingOptions.AllowUTF8);
}
private static void ParseValue(MimeStringList list, out DateTime utcDateTime, out TimeSpan timeZoneOffset)
{
MimeStringList mimeStringList = default(MimeStringList);
ValueParser valueParser = new ValueParser(list, false);
DateHeader.ParseStage parseStage = DateHeader.ParseStage.DayOfWeek;
int[] array = new int[8];
byte b = 32;
while (parseStage != DateHeader.ParseStage.Count)
{
valueParser.ParseCFWS(false, ref mimeStringList, true);
byte b2 = valueParser.ParseGet();
if (b2 == 0)
{
break;
}
if (!MimeScan.IsToken(b2) || b2 == 45 || b2 == 43)
{
b = b2;
valueParser.ParseCFWS(false, ref mimeStringList, true);
}
else
{
if (MimeScan.IsDigit(b2))
{
if (parseStage == DateHeader.ParseStage.DayOfWeek)
{
parseStage = DateHeader.ParseStage.DayOfMonth;
}
if (parseStage == DateHeader.ParseStage.Second && b != 58)
{
parseStage = DateHeader.ParseStage.Zone;
}
int num = 0;
do
{
num++;
array[(int)parseStage] *= 10;
array[(int)parseStage] += (int)(b2 - 48);
b2 = valueParser.ParseGet();
}while (b2 != 0 && MimeScan.IsDigit(b2));
if (b2 != 0)
{
valueParser.ParseUnget();
}
if (parseStage == DateHeader.ParseStage.Year && num <= 2)
{
array[(int)parseStage] += ((array[(int)parseStage] < 30) ? 2000 : 1900);
}
if (parseStage == DateHeader.ParseStage.Zone && num <= 2)
{
array[(int)parseStage] *= 100;
}
if (parseStage == DateHeader.ParseStage.Zone && b == 45)
{
array[(int)parseStage] = -array[(int)parseStage];
}
parseStage++;
}
else if (MimeScan.IsAlpha(b2))
{
valueParser.ParseUnget();
MimeString mimeString = valueParser.ParseToken(MimeScan.Token.Alpha);
if (parseStage == DateHeader.ParseStage.DayOfWeek)
{
parseStage = DateHeader.ParseStage.DayOfMonth;
}
else if (parseStage == DateHeader.ParseStage.Month)
{
array[(int)parseStage] = DateHeader.MapMonthToInt(mimeString.Data, mimeString.Offset, mimeString.Length);
parseStage = DateHeader.ParseStage.Year;
}
else if (parseStage >= DateHeader.ParseStage.Second)
{
if (mimeString.Length == 2 && 65 == DateHeader.MakeUpper(mimeString[0]) && 77 == DateHeader.MakeUpper(mimeString[1]))
{
if (array[4] == 12)
{
array[4] = 0;
}
parseStage = DateHeader.ParseStage.Zone;
}
else if (mimeString.Length == 2 && 80 == DateHeader.MakeUpper(mimeString[0]) && 77 == DateHeader.MakeUpper(mimeString[1]))
{
if (array[4] < 12)
{
array[4] += 12;
}
parseStage = DateHeader.ParseStage.Zone;
}
else
{
array[7] = (int)DateHeader.MapZoneToInt(mimeString.Data, mimeString.Offset, mimeString.Length);
parseStage = DateHeader.ParseStage.Count;
}
}
}
b = 32;
}
}
if (parseStage > DateHeader.ParseStage.Year)
{
int num2 = array[3];
int num3 = array[2];
int num4 = array[1];
int num5 = array[4];
int num6 = array[5];
int num7 = array[6];
if (num5 == 23 && num6 == 59 && num7 == 60)
{
num7 = 59;
}
if (num2 >= 1900 && num2 <= 9999 && num3 >= 1 && num3 <= 12 && num4 >= 1 && num4 <= DateTime.DaysInMonth(num2, num3) && num5 >= 0 && num5 < 24 && num6 >= 0 && num6 < 60 && num7 >= 0 && num7 < 60)
{
try
{
utcDateTime = new DateTime(num2, num3, num4, num5, num6, num7, 0, DateTimeKind.Utc);
goto IL_319;
}
catch (ArgumentException)
{
utcDateTime = DateHeader.minDateTime;
goto IL_319;
}
}
utcDateTime = DateHeader.minDateTime;
}
else
{
utcDateTime = DateHeader.minDateTime;
}
IL_319:
if (parseStage != DateHeader.ParseStage.Count || !(utcDateTime > DateHeader.minDateTime))
{
timeZoneOffset = TimeSpan.Zero;
return;
}
int num8 = array[7] / 100;
int num9 = array[7] % 100;
if (num8 > 99 || num8 < -99)
{
num8 = 0;
num9 = 0;
}
if (num9 > 59 || num9 < -59)
{
num9 = 0;
}
timeZoneOffset = new TimeSpan(num8, num9, 0);
if (utcDateTime.Ticks >= timeZoneOffset.Ticks && DateTime.MaxValue.Ticks >= utcDateTime.Ticks - timeZoneOffset.Ticks)
{
utcDateTime -= timeZoneOffset;
return;
}
utcDateTime = DateHeader.minDateTime;
timeZoneOffset = TimeSpan.Zero;
}
public sealed override bool IsValueValid(string value)
{
return(value != null && ValueParser.ParseToken(value, 0, false) == value.Length);
}
internal void ParseParameters(ref ValueParser parser, DecodingOptions decodingOptions, int countLimit, int bytesLimit)
{
MimeStringList mimeStringList = default(MimeStringList);
MimeStringList mimeStringList2 = default(MimeStringList);
bool flag = false;
int num = 0;
bool flag2 = DecodingFlags.None != (DecodingFlags.Rfc2231 & decodingOptions.DecodingFlags);
for (;;)
{
parser.ParseCFWS(false, ref mimeStringList, this.handleISO2022);
byte b = parser.ParseGet();
if (b != 59)
{
if (b == 0)
{
break;
}
parser.ParseUnget();
parser.ParseSkipToNextDelimiterByte(59);
}
else
{
parser.ParseCFWS(false, ref mimeStringList, this.handleISO2022);
MimeString mimeString = parser.ParseToken();
if (mimeString.Length != 0 && mimeString.Length < 128)
{
parser.ParseCFWS(false, ref mimeStringList, this.handleISO2022);
b = parser.ParseGet();
if (b != 61)
{
if (b == 0)
{
return;
}
parser.ParseUnget();
}
else
{
parser.ParseCFWS(false, ref mimeStringList, this.handleISO2022);
parser.ParseParameterValue(ref mimeStringList2, ref flag, this.handleISO2022);
if (2147483647 != countLimit || 2147483647 != bytesLimit)
{
if (++num > countLimit)
{
goto Block_8;
}
if (mimeStringList2.Length > bytesLimit)
{
goto Block_9;
}
}
else
{
bool valueEncoded = false;
int num2 = -1;
if (flag2)
{
int num3 = ByteString.IndexOf(mimeString.Data, 42, mimeString.Offset, mimeString.Length);
if (num3 > 0)
{
int num4 = mimeString.Offset + mimeString.Length;
int num5 = num3 + 1;
num2 = 0;
while (num5 != num4 && mimeString.Data[num5] >= 48 && mimeString.Data[num5] <= 57)
{
num2 = num2 * 10 + (int)(mimeString.Data[num5] - 48);
if (10000 < num2)
{
num2 = -1;
break;
}
num5++;
}
if (-1 != num2)
{
bool flag3 = 42 == mimeString.Data[num4 - 1];
if (num5 < num4 - 1 || (num5 < num4 && !flag3))
{
num2 = -1;
}
else
{
valueEncoded = flag3;
mimeString.TrimRight(num4 - num3);
}
}
}
}
string text = Header.NormalizeString(mimeString.Data, mimeString.Offset, mimeString.Length, false);
MimeParameter mimeParameter = new MimeParameter(text);
mimeParameter.AppendValue(ref mimeStringList2);
mimeParameter.SegmentNumber = num2;
mimeParameter.ValueEncoded = valueEncoded;
MimeNode mimeNode;
MimeNode nextSibling;
for (mimeNode = base.FirstChild; mimeNode != null; mimeNode = nextSibling)
{
nextSibling = mimeNode.NextSibling;
MimeParameter mimeParameter2 = mimeNode as MimeParameter;
if (mimeParameter2 != null && mimeParameter2.Name == text)
{
break;
}
}
if (0 >= num2)
{
if (mimeNode != null)
{
mimeParameter.AllowAppend = true;
for (MimeNode mimeNode2 = mimeNode.FirstChild; mimeNode2 != null; mimeNode2 = nextSibling)
{
nextSibling = mimeNode2.NextSibling;
if (mimeNode2 is MimeParameter)
{
mimeNode.RemoveChild(mimeNode2);
mimeParameter.InternalAppendChild(mimeNode2);
}
}
mimeParameter.AllowAppend = false;
base.InternalRemoveChild(mimeNode);
}
base.InternalAppendChild(mimeParameter);
}
else
{
if (mimeNode == null)
{
MimeParameter mimeParameter3 = new MimeParameter(text);
mimeParameter3.SegmentNumber = 0;
base.InternalAppendChild(mimeParameter3);
mimeNode = mimeParameter3;
}
MimeNode mimeNode3;
MimeNode previousSibling;
for (mimeNode3 = mimeNode.LastChild; mimeNode3 != null; mimeNode3 = previousSibling)
{
previousSibling = mimeNode3.PreviousSibling;
MimeParameter mimeParameter4 = mimeNode3 as MimeParameter;
if (mimeParameter4 != null && mimeParameter4.SegmentNumber <= num2)
{
break;
}
}
MimeParameter mimeParameter5 = (MimeParameter)mimeNode;
mimeParameter5.AllowAppend = true;
mimeParameter5.InternalInsertAfter(mimeParameter, mimeNode3);
mimeParameter5.AllowAppend = false;
}
}
}
}
}
if (b == 0)
{
return;
}
}
return;
Block_8:
throw new MimeException(Strings.TooManyParameters(num, countLimit));
Block_9:
throw new MimeException(Strings.TooManyTextValueBytes(mimeStringList2.Length, bytesLimit));
}
internal abstract void ParseValue(ValueParser parser, bool storeValue);