private static void ParseValue(MimeStringList list, out System.DateTime utcDateTime, out System.TimeSpan timeZoneOffset)
{
var phrase = new MimeStringList();
var valueParser = new ValueParser(list, false);
var parseStage = ParseStage.DayOfWeek;
var numArray = new int[8];
byte num1 = 32;
while (parseStage != ParseStage.Count) {
valueParser.ParseCFWS(false, ref phrase, true);
var ch = valueParser.ParseGet();
if (ch != 0) {
if (!MimeScan.IsToken(ch) || ch == 45 || ch == 43) {
num1 = ch;
valueParser.ParseCFWS(false, ref phrase, true);
} else {
if (MimeScan.IsDigit(ch)) {
if (parseStage == ParseStage.DayOfWeek)
parseStage = ParseStage.DayOfMonth;
if (parseStage == ParseStage.Second && num1 != 58)
parseStage = ParseStage.Zone;
var num2 = 0;
do {
++num2;
numArray[(int) parseStage] *= 10;
numArray[(int) parseStage] += ch - 48;
ch = valueParser.ParseGet();
} while (ch != 0 && MimeScan.IsDigit(ch));
if (ch != 0)
valueParser.ParseUnget();
if (parseStage == ParseStage.Year && num2 <= 2)
numArray[(int) parseStage] += numArray[(int) parseStage] < 30 ? 2000 : 1900;
if (parseStage == ParseStage.Zone && num2 <= 2)
numArray[(int) parseStage] *= 100;
if (parseStage == ParseStage.Zone && num1 == 45)
numArray[(int) parseStage] = -numArray[(int) parseStage];
++parseStage;
} else if (MimeScan.IsAlpha(ch)) {
valueParser.ParseUnget();
var mimeString = valueParser.ParseToken(MimeScan.Token.Alpha);
if (parseStage == ParseStage.DayOfWeek)
parseStage = ParseStage.DayOfMonth;
else if (parseStage == ParseStage.Month) {
numArray[(int) parseStage] = DateHeader.MapMonthToInt(mimeString.Data, mimeString.Offset, mimeString.Length);
parseStage = ParseStage.Year;
} else if (parseStage >= ParseStage.Second) {
if (mimeString.Length == 2 && 65 == DateHeader.MakeUpper(mimeString[0]) && 77 == DateHeader.MakeUpper(mimeString[1])) {
if (numArray[4] == 12)
numArray[4] = 0;
parseStage = ParseStage.Zone;
} else if (mimeString.Length == 2 && 80 == DateHeader.MakeUpper(mimeString[0]) && 77 == DateHeader.MakeUpper(mimeString[1])) {
if (numArray[4] < 12)
numArray[4] += 12;
parseStage = ParseStage.Zone;
} else {
numArray[7] = (int) DateHeader.MapZoneToInt(mimeString.Data, mimeString.Offset, mimeString.Length);
parseStage = ParseStage.Count;
}
}
}
num1 = 32;
}
} else
break;
}
if (parseStage > ParseStage.Year) {
var year = numArray[3];
var month = numArray[2];
var day = numArray[1];
var hour = numArray[4];
var minute = numArray[5];
var second = numArray[6];
if (hour == 23 && minute == 59 && second == 60)
second = 59;
if (year >= 1900 && year <= 9999 && (month >= 1 && month <= 12) && (day >= 1 && day <= System.DateTime.DaysInMonth(year, month) && (hour >= 0 && hour < 24)) && (minute >= 0 && minute < 60 && second >= 0)) {
if (second < 60) {
try {
utcDateTime = new System.DateTime(year, month, day, hour, minute, second, 0, System.DateTimeKind.Utc);
goto label_46;
} catch (System.ArgumentException ex) {
utcDateTime = minDateTime;
goto label_46;
}
}
}
utcDateTime = minDateTime;
} else
utcDateTime = minDateTime;
label_46:
if (parseStage == ParseStage.Count && utcDateTime > minDateTime) {
var hours = numArray[7]/100;
var minutes = numArray[7]%100;
if (hours > 99 || hours < -99) {
hours = 0;
minutes = 0;
}
if (minutes > 59 || minutes < -59)
minutes = 0;
timeZoneOffset = new System.TimeSpan(hours, minutes, 0);
if (utcDateTime.Ticks >= timeZoneOffset.Ticks && System.DateTime.MaxValue.Ticks >= utcDateTime.Ticks - timeZoneOffset.Ticks)
utcDateTime -= timeZoneOffset;
else {
utcDateTime = minDateTime;
timeZoneOffset = System.TimeSpan.Zero;
}
} else
timeZoneOffset = System.TimeSpan.Zero;
}
private void Parse()
{
this.Reset();
parsed = true;
var headerDecodingOptions = this.GetHeaderDecodingOptions();
var valueParser = new ValueParser(this.Lines, headerDecodingOptions.AllowUTF8);
var mimeStringList1 = new MimeStringList();
var mimeStringList2 = new MimeStringList();
var mimeString1 = new MimeString();
var mimeString2 = MimeString.Empty;
var parseState1 = ParseState.None;
while (true) {
valueParser.ParseWhitespace(true, ref mimeStringList1);
var num1 = valueParser.ParseGet();
if (num1 != 0) {
if (59 == num1)
parseState1 = ParseState.Date;
else if (40 == num1 && parseState1 == ParseState.DomainValue)
parseState1 = ParseState.DomainAddress;
else {
valueParser.ParseUnget();
mimeString1 = valueParser.ParseToken();
if (mimeString1.Length == 0) {
int num2 = valueParser.ParseGet();
mimeStringList2.TakeOverAppend(ref mimeStringList1);
valueParser.ParseAppendLastByte(ref mimeStringList2);
continue;
}
var parseState2 = this.StateFromToken(mimeString1);
if (ParseState.None != parseState2)
parseState1 = parseState2;
}
switch (parseState1) {
case ParseState.Domain:
case ParseState.OptInfo:
if (mimeString2.Length != 0)
this.FinishClause(ref mimeString2, ref mimeStringList2, headerDecodingOptions.AllowUTF8);
else
mimeStringList2.Reset();
mimeString2 = mimeString1;
valueParser.ParseWhitespace(false, ref mimeStringList1);
mimeStringList1.Reset();
++parseState1;
continue;
case ParseState.DomainValue:
mimeStringList2.TakeOverAppend(ref mimeStringList1);
mimeStringList2.AppendFragment(mimeString1);
continue;
case ParseState.DomainAddress:
var flag = mimeString2.CompareEqI(ParamFrom);
this.FinishClause(ref mimeString2, ref mimeStringList2, headerDecodingOptions.AllowUTF8);
mimeStringList1.Reset();
valueParser.ParseUnget();
valueParser.ParseComment(true, false, ref mimeStringList2, true);
var sz1 = mimeStringList2.GetSz();
var str = sz1 == null ? null : Internal.ByteString.BytesToString(sz1, headerDecodingOptions.AllowUTF8);
if (flag)
fromTcpInfoValue = str;
else
byTcpInfoValue = str;
mimeStringList2.Reset();
parseState1 = ParseState.None;
continue;
case ParseState.OptInfoValue:
mimeStringList2.TakeOverAppend(ref mimeStringList1);
mimeStringList2.AppendFragment(mimeString1);
continue;
case ParseState.Date:
this.FinishClause(ref mimeString2, ref mimeStringList2, headerDecodingOptions.AllowUTF8);
mimeStringList1.Reset();
valueParser.ParseWhitespace(false, ref mimeStringList1);
valueParser.ParseToEnd(ref mimeStringList2);
var sz2 = mimeStringList2.GetSz();
dateValue = sz2 == null ? null : Internal.ByteString.BytesToString(sz2, false);
continue;
case ParseState.None:
mimeStringList2.Reset();
continue;
default:
continue;
}
}
break;
}
this.FinishClause(ref mimeString2, ref mimeStringList2, headerDecodingOptions.AllowUTF8);
}