private void ParseEscapedString(bool save, ref MimeStringList outStr, out bool singleByte)
{
bool flag = this.bytes[this.position] == 27;
if (save)
{
outStr.AppendFragment(new MimeString(this.bytes, this.position, 1, 536870912U));
}
this.position++;
if (flag && !this.ParseEscapeSequence(save, ref outStr))
{
singleByte = true;
return;
}
singleByte = false;
do
{
int num = MimeScan.ScanJISString(this.bytes, this.position, this.end - this.position, ref singleByte);
if (save && num != 0)
{
outStr.AppendFragment(new MimeString(this.bytes, this.position, num, 536870912U));
}
this.position += num;
}while (!singleByte && this.ParseNextLine());
if (!flag && this.position != this.end && this.bytes[this.position] == 15)
{
if (save)
{
outStr.AppendFragment(new MimeString(this.bytes, this.position, 1, 536870912U));
}
this.position++;
}
}
public void ParseAppendSpace(ref MimeStringList phrase)
{
if (this.position == this.start || this.bytes[this.position - 1] != 32)
{
phrase.AppendFragment(ValueParser.SpaceLine);
return;
}
phrase.AppendFragment(new MimeString(this.bytes, this.position - 1, 1));
}
public void ParseQString(bool save, ref MimeStringList phrase, bool handleISO2022)
{
bool flag = false;
if (save)
{
phrase.AppendFragment(new MimeString(this.bytes, this.position, 1, 268435456U));
}
this.position++;
bool flag2 = true;
for (;;)
{
int num = MimeScan.ScanQuotedString(this.bytes, this.position, this.end - this.position, handleISO2022, ref flag);
if (num != 0)
{
if (save)
{
phrase.AppendFragment(new MimeString(this.bytes, this.position, num));
}
this.position += num;
}
if (this.position != this.end)
{
if (this.bytes[this.position] == 14 || this.bytes[this.position] == 27)
{
this.ParseEscapedString(save, ref phrase, out flag2);
}
else
{
if (save)
{
phrase.AppendFragment(new MimeString(this.bytes, this.position, 1, 268435456U));
}
this.position++;
if (this.bytes[this.position - 1] == 34)
{
break;
}
flag = true;
}
}
else if (!this.ParseNextLine())
{
goto Block_8;
}
}
return;
Block_8:
if (save && flag2)
{
phrase.AppendFragment(new MimeString(MimeString.DoubleQuote, 0, MimeString.DoubleQuote.Length, 268435456U));
}
}
public void ParseToEnd(ref MimeStringList phrase)
{
if (this.position != this.end)
{
phrase.AppendFragment(new MimeString(this.bytes, this.position, this.end - this.position));
this.position = this.end;
}
while (this.ParseNextLine())
{
phrase.AppendFragment(new MimeString(this.bytes, this.start, this.end - this.start));
this.position = this.end;
}
}
public MimeString ParseToken(MimeScan.Token token)
{
MimeStringList mimeStringList = default(MimeStringList);
while (this.position != this.end || this.ParseNextLine())
{
int num = 0;
int num2 = MimeScan.FindEndOf(token, this.bytes, this.position, this.end - this.position, out num, this.allowUTF8);
if (num2 == 0)
{
break;
}
mimeStringList.AppendFragment(new MimeString(this.bytes, this.position, num2));
this.position += num2;
}
if (mimeStringList.Count == 0)
{
return(default(MimeString));
}
if (mimeStringList.Count == 1)
{
return(mimeStringList[0]);
}
byte[] sz = mimeStringList.GetSz();
return(new MimeString(sz, 0, sz.Length));
}
public void ParseParameterValue(ref MimeStringList value, ref bool goodValue, bool handleISO2022)
{
MimeStringList mimeStringList = default(MimeStringList);
goodValue = true;
while (this.position != this.end || this.ParseNextLine())
{
byte b = this.bytes[this.position];
if (b == 34)
{
value.Reset();
mimeStringList.Reset();
this.ParseQString(true, ref value, handleISO2022);
return;
}
if (b == 40 || MimeScan.IsLWSP(b))
{
this.ParseCFWS(true, ref mimeStringList, handleISO2022);
}
else
{
if (b == 59)
{
return;
}
int num = this.position;
do
{
int num2 = 1;
if (!MimeScan.IsToken(b))
{
if (this.allowUTF8 && b >= 128)
{
if (!MimeScan.IsUTF8NonASCII(this.bytes, this.position, this.end, out num2))
{
num2 = 1;
goodValue = false;
}
}
else
{
goodValue = false;
}
}
this.position += num2;
if (this.position == this.end)
{
break;
}
b = this.bytes[this.position];
}while (b != 59 && b != 40 && !MimeScan.IsLWSP(b));
value.TakeOverAppend(ref mimeStringList);
value.AppendFragment(new MimeString(this.bytes, num, this.position - num));
}
}
}
public void ParseDomainLiteral(bool save, ref MimeStringList domain)
{
bool flag = false;
int num = this.position;
this.position++;
for (;;)
{
if (this.position == this.end)
{
if (num != this.position && save)
{
domain.AppendFragment(new MimeString(this.bytes, num, this.position - num));
}
if (!this.ParseNextLine())
{
break;
}
num = this.position;
}
byte b = this.bytes[this.position++];
if (flag)
{
flag = false;
}
else if (b == 92)
{
flag = true;
}
else if (b == 93)
{
goto IL_91;
}
}
num = this.position;
IL_91:
if (num != this.position && save)
{
domain.AppendFragment(new MimeString(this.bytes, num, this.position - num));
}
}
public void ParseComment(bool save, bool saveInnerOnly, ref MimeStringList comment, bool handleISO2022)
{
int num = 1;
bool flag = false;
int num2 = 0;
if (save && !saveInnerOnly)
{
comment.AppendFragment(new MimeString(this.bytes, this.position, 1));
}
this.position++;
for (;;)
{
int num3 = MimeScan.ScanComment(this.bytes, this.position, this.end - this.position, handleISO2022, ref num, ref flag);
if (num3 != 0)
{
if (save)
{
if (num == 0 && saveInnerOnly)
{
num2 = 1;
}
comment.AppendFragment(new MimeString(this.bytes, this.position, num3 - num2));
}
this.position += num3;
if (num == 0)
{
break;
}
}
if (this.position != this.end && (this.bytes[this.position] == 14 || this.bytes[this.position] == 27))
{
bool flag2;
this.ParseEscapedString(save, ref comment, out flag2);
}
else if (!this.ParseNextLine())
{
return;
}
}
}
public bool ParseToDelimiter(bool ignoreNextByte, bool separateWithWhitespace, ref MimeStringList phrase)
{
bool result = false;
int num = ignoreNextByte ? 1 : 0;
for (;;)
{
int num2 = 0;
num += MimeScan.FindEndOf(MimeScan.Token.Atom, this.bytes, this.position + num, this.end - this.position - num, out num2, this.allowUTF8);
if (num != 0)
{
result = true;
if (phrase.Length != 0 && separateWithWhitespace)
{
if (this.position == this.start || this.bytes[this.position - 1] != 32)
{
phrase.AppendFragment(ValueParser.SpaceLine);
}
else
{
this.position--;
num++;
}
}
separateWithWhitespace = false;
phrase.AppendFragment(new MimeString(this.bytes, this.position, num));
this.position += num;
}
if (this.position != this.end || !this.ParseNextLine())
{
break;
}
num = 0;
}
return(result);
}
public void ParseWhitespace(bool save, ref MimeStringList phrase)
{
for (;;)
{
int num = MimeScan.SkipLwsp(this.bytes, this.position, this.end - this.position);
if (save && num != 0)
{
phrase.AppendFragment(new MimeString(this.bytes, this.position, num));
}
this.position += num;
if (this.position != this.end)
{
break;
}
if (!this.ParseNextLine())
{
return;
}
}
}
public void ParseCFWS(bool save, ref MimeStringList phrase, bool handleISO2022)
{
for (;;)
{
int num = MimeScan.SkipLwsp(this.bytes, this.position, this.end - this.position);
if (save && num != 0)
{
phrase.AppendFragment(new MimeString(this.bytes, this.position, num));
}
this.position += num;
if (this.position != this.end)
{
if (this.bytes[this.position] != 40)
{
break;
}
this.ParseComment(save, false, ref phrase, handleISO2022);
}
else if (!this.ParseNextLine())
{
break;
}
}
}
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 bool ParseEscapeSequence(bool save, ref MimeStringList outStr)
{
byte b = this.ParseGet();
byte b2 = this.ParseGet();
byte b3 = this.ParseGet();
if (b3 != 0)
{
this.ParseUnget();
}
if (b2 != 0)
{
this.ParseUnget();
}
if (b != 0)
{
this.ParseUnget();
}
int num = 0;
bool result = false;
byte b4 = b;
if (b4 != 36)
{
if (b4 != 40)
{
switch (b4)
{
case 78:
case 79:
if (b2 >= 33)
{
num = 2;
if (b3 >= 33)
{
num = 3;
}
}
break;
}
}
else if (b2 == 73)
{
result = true;
num = 2;
}
else if (b2 == 66 || b2 == 74 || b2 == 72)
{
num = 2;
}
}
else if (b2 == 66 || b2 == 65 || b2 == 64)
{
num = 2;
result = true;
}
else if (b2 == 40 && (b3 == 67 || b3 == 68))
{
num = 3;
result = true;
}
while (num-- != 0)
{
this.ParseGet();
if (save)
{
outStr.AppendFragment(new MimeString(this.bytes, this.position - 1, 1, 536870912U));
}
}
return(result);
}
public void ParseAppendLastByte(ref MimeStringList phrase)
{
phrase.AppendFragment(new MimeString(this.bytes, this.position - 1, 1));
}
// Token: 0x06000249 RID: 585 RVA: 0x0000A614 File Offset: 0x00008814
public AddressParserResult ParseNextMailbox(ref MimeStringList displayName, ref MimeStringList address)
{
AddressParserResult result = this.groupInProgress ? AddressParserResult.GroupInProgress : AddressParserResult.Mailbox;
MimeAddressParser.ParserStage parserStage = MimeAddressParser.ParserStage.BEGIN;
MimeStringList mimeStringList = default(MimeStringList);
MimeStringList mimeStringList2 = default(MimeStringList);
MimeStringList mimeStringList3 = default(MimeStringList);
bool flag = true;
bool flag2 = false;
bool ignoreNextByte = false;
if (!this.parserInit)
{
throw new InvalidOperationException(Strings.AddressParserNotInitialized);
}
for (;;)
{
if (this.valueParser.ParseToDelimiter(ignoreNextByte, !flag && flag2, ref mimeStringList))
{
flag2 = false;
ignoreNextByte = false;
flag = false;
}
byte b = this.valueParser.ParseGet();
byte b2 = b;
if (b2 <= 34)
{
if (b2 != 0)
{
switch (b2)
{
case 9:
case 10:
case 13:
break;
case 11:
case 12:
goto IL_200;
default:
switch (b2)
{
case 32:
break;
case 33:
goto IL_200;
case 34:
this.valueParser.ParseUnget();
if (mimeStringList.Length != 0 && !flag)
{
this.valueParser.ParseAppendSpace(ref mimeStringList);
}
else
{
flag = false;
}
this.valueParser.ParseQString(true, ref mimeStringList, true);
flag2 = true;
continue;
default:
goto IL_200;
}
break;
}
this.valueParser.ParseWhitespace(false, ref mimeStringList3);
flag2 = true;
continue;
}
goto IL_213;
}
else if (b2 <= 46)
{
if (b2 == 40)
{
if (mimeStringList2.Length != 0)
{
mimeStringList2.Reset();
}
this.valueParser.ParseUnget();
if (this.ignoreComments)
{
this.valueParser.ParseComment(true, false, ref mimeStringList2, true);
if (flag2)
{
mimeStringList.AppendFragment(new MimeString(" "));
}
mimeStringList.TakeOverAppend(ref mimeStringList2);
}
else
{
this.valueParser.ParseComment(true, true, ref mimeStringList2, true);
}
flag2 = true;
continue;
}
switch (b2)
{
case 44:
goto IL_213;
case 46:
this.valueParser.ParseAppendLastByte(ref mimeStringList);
flag = true;
continue;
}
}
else
{
switch (b2)
{
case 58:
case 59:
case 60:
case 62:
case 64:
goto IL_213;
case 61:
case 63:
break;
default:
switch (b2)
{
case 91:
case 93:
goto IL_213;
}
break;
}
}
IL_200:
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
IL_213:
switch (parserStage)
{
case MimeAddressParser.ParserStage.BEGIN:
{
byte b3 = b;
if (b3 > 44)
{
switch (b3)
{
case 58:
if (mimeStringList.GetLength(4026531839U) != 0)
{
goto Block_26;
}
continue;
case 59:
this.groupInProgress = false;
result = AddressParserResult.Mailbox;
goto IL_28D;
case 60:
break;
case 61:
case 63:
goto IL_33D;
case 62:
mimeStringList.Reset();
continue;
case 64:
{
int length = mimeStringList.Length;
this.valueParser.ParseAppendLastByte(ref mimeStringList);
address.TakeOver(ref mimeStringList);
parserStage = MimeAddressParser.ParserStage.ADDRSPEC;
continue;
}
default:
if (b3 != 91)
{
goto IL_33D;
}
if (!this.useSquareBrackets)
{
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
break;
}
displayName.TakeOver(ref mimeStringList);
parserStage = MimeAddressParser.ParserStage.ANGLEADDR;
continue;
}
if (b3 == 0)
{
goto IL_330;
}
if (b3 != 44)
{
goto IL_33D;
}
IL_28D:
if (mimeStringList.GetLength(4026531839U) != 0)
{
goto Block_25;
}
mimeStringList.Reset();
continue;
IL_33D:
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
case MimeAddressParser.ParserStage.ANGLEADDR:
{
byte b4 = b;
if (b4 <= 44)
{
if (b4 == 0)
{
goto IL_478;
}
if (b4 == 44)
{
if (displayName.Length != 0 || mimeStringList.Length != 0)
{
goto IL_478;
}
continue;
}
}
else
{
switch (b4)
{
case 58:
mimeStringList.Reset();
continue;
case 59:
case 61:
case 63:
goto IL_485;
case 60:
break;
case 62:
goto IL_432;
case 64:
if (mimeStringList.Length == 0)
{
parserStage = MimeAddressParser.ParserStage.ROUTEDOMAIN;
continue;
}
this.valueParser.ParseAppendLastByte(ref mimeStringList);
address.TakeOver(ref mimeStringList);
parserStage = MimeAddressParser.ParserStage.ADDRSPEC;
continue;
default:
switch (b4)
{
case 91:
if (!this.useSquareBrackets)
{
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
break;
case 92:
goto IL_485;
case 93:
if (!this.useSquareBrackets)
{
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
goto IL_432;
default:
goto IL_485;
}
break;
}
if (mimeStringList.Length != 0)
{
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
continue;
IL_432:
address.TakeOver(ref mimeStringList);
if (address.Length != 0 || displayName.Length != 0)
{
parserStage = MimeAddressParser.ParserStage.END;
continue;
}
parserStage = MimeAddressParser.ParserStage.BEGIN;
continue;
}
IL_485:
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
case MimeAddressParser.ParserStage.ADDRSPEC:
{
byte b5 = b;
if (b5 > 44)
{
switch (b5)
{
case 59:
this.groupInProgress = false;
goto IL_58B;
case 60:
if (displayName.Length == 0)
{
displayName.TakeOverAppend(ref address);
parserStage = MimeAddressParser.ParserStage.ANGLEADDR;
continue;
}
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
case 61:
goto IL_5B5;
case 62:
break;
default:
switch (b5)
{
case 91:
if (mimeStringList.Length == 0)
{
this.valueParser.ParseUnget();
this.valueParser.ParseDomainLiteral(true, ref mimeStringList);
address.TakeOverAppend(ref mimeStringList);
parserStage = MimeAddressParser.ParserStage.END;
continue;
}
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
case 92:
goto IL_5B5;
case 93:
if (!this.useSquareBrackets)
{
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
break;
default:
goto IL_5B5;
}
break;
}
address.TakeOverAppend(ref mimeStringList);
parserStage = MimeAddressParser.ParserStage.END;
continue;
}
if (b5 != 0 && b5 != 44)
{
goto IL_5B5;
}
IL_58B:
address.TakeOverAppend(ref mimeStringList);
if (address.Length == 0 && displayName.Length == 0 && b != 0)
{
continue;
}
break;
IL_5B5:
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
case MimeAddressParser.ParserStage.ROUTEDOMAIN:
{
byte b6 = b;
if (b6 <= 44)
{
if (b6 == 0)
{
break;
}
if (b6 != 44)
{
goto IL_665;
}
}
else if (b6 != 58)
{
if (b6 != 62)
{
switch (b6)
{
case 91:
mimeStringList.Reset();
this.valueParser.ParseUnget();
this.valueParser.ParseDomainLiteral(false, ref mimeStringList3);
continue;
case 92:
goto IL_665;
case 93:
if (!this.useSquareBrackets)
{
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
break;
default:
goto IL_665;
}
}
mimeStringList.Reset();
parserStage = MimeAddressParser.ParserStage.END;
continue;
}
mimeStringList.Reset();
parserStage = MimeAddressParser.ParserStage.ANGLEADDR;
continue;
IL_665:
this.valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
case MimeAddressParser.ParserStage.END:
{
mimeStringList.Reset();
byte b7 = b;
if (b7 != 0 && b7 != 44)
{
if (b7 != 59)
{
continue;
}
this.groupInProgress = false;
}
if (address.Length == 0 && displayName.Length == 0 && b != 0)
{
parserStage = MimeAddressParser.ParserStage.BEGIN;
continue;
}
break;
}
}
break;
}
goto IL_6B9;
Block_25:
displayName.TakeOver(ref mimeStringList);
goto IL_6B9;
Block_26:
displayName.TakeOver(ref mimeStringList);
this.groupInProgress = true;
return(AddressParserResult.GroupStart);
IL_330:
displayName.TakeOver(ref mimeStringList);
goto IL_6B9;
IL_478:
address.TakeOver(ref mimeStringList);
IL_6B9:
if (displayName.Length == 0 && mimeStringList2.Length != 0 && address.Length != 0)
{
displayName.TakeOver(ref mimeStringList2);
}
if (address.Length == 0 && displayName.Length == 0)
{
result = AddressParserResult.End;
}
return(result);
}
