public void ParseAppendSpace(ref MimeStringList phrase)
{
if (position == start || bytes[position - 1] != 32)
phrase.AppendFragment(SpaceLine);
else
phrase.AppendFragment(new MimeString(bytes, position - 1, 1));
}
public void ParseCFWS(bool save, ref MimeStringList phrase, bool handleISO2022)
{
do {
var count = MimeScan.SkipLwsp(bytes, position, end - position);
if (save && count != 0)
phrase.AppendFragment(new MimeString(bytes, position, count));
position += count;
if (position != end) {
if (bytes[position] == 40)
this.ParseComment(save, false, ref phrase, handleISO2022);
else
goto label_6;
}
} while (this.ParseNextLine());
goto label_7;
label_6:
return;
label_7:
;
}
private bool ParseEscapeSequence(bool save, ref MimeStringList outStr)
{
var num1 = this.ParseGet();
var num2 = this.ParseGet();
var num3 = this.ParseGet();
if (num3 != 0)
this.ParseUnget();
if (num2 != 0)
this.ParseUnget();
if (num1 != 0)
this.ParseUnget();
var num4 = 0;
var flag = false;
switch (num1) {
case 36:
if (num2 == 66 || num2 == 65 || num2 == 64) {
num4 = 2;
flag = true;
break;
}
if (num2 == 40 && (num3 == 67 || num3 == 68)) {
num4 = 3;
flag = true;
}
break;
case 40:
if (num2 == 73) {
flag = true;
num4 = 2;
break;
}
if (num2 == 66 || num2 == 74 || num2 == 72)
num4 = 2;
break;
case 78:
case 79:
if (num2 >= 33) {
num4 = 2;
if (num3 >= 33)
num4 = 3;
}
break;
}
while (num4-- != 0) {
int num5 = this.ParseGet();
if (save)
outStr.AppendFragment(new MimeString(bytes, position - 1, 1, 536870912U));
}
return flag;
}
public void ParseAppendLastByte(ref MimeStringList phrase)
{
phrase.AppendFragment(new MimeString(bytes, position - 1, 1));
}
public void ParseWhitespace(bool save, ref MimeStringList phrase)
{
do {
var count = MimeScan.SkipLwsp(bytes, position, end - position);
if (save && count != 0)
phrase.AppendFragment(new MimeString(bytes, position, count));
position += count;
} while (position == end && this.ParseNextLine());
}
private void ParseEscapedString(bool save, ref MimeStringList outStr, out bool singleByte)
{
var flag = bytes[position] == 27;
if (save)
outStr.AppendFragment(new MimeString(bytes, position, 1, 536870912U));
++position;
if (flag && !this.ParseEscapeSequence(save, ref outStr))
singleByte = true;
else {
singleByte = false;
do {
var count = MimeScan.ScanJISString(bytes, position, end - position, ref singleByte);
if (save && count != 0)
outStr.AppendFragment(new MimeString(bytes, position, count, 536870912U));
position += count;
} while (!singleByte && this.ParseNextLine());
if (flag || position == end || bytes[position] != 15)
return;
if (save)
outStr.AppendFragment(new MimeString(bytes, position, 1, 536870912U));
++position;
}
}
public void ParseToEnd(ref MimeStringList phrase)
{
if (position != end) {
phrase.AppendFragment(new MimeString(bytes, position, end - position));
position = end;
}
while (this.ParseNextLine()) {
phrase.AppendFragment(new MimeString(bytes, start, end - start));
position = end;
}
}
public MimeString ParseToken(MimeScan.Token token)
{
var mimeStringList = new MimeStringList();
while (position != end || this.ParseNextLine()) {
var characterCount = 0;
var endOf = MimeScan.FindEndOf(token, bytes, position, end - position, out characterCount, allowUTF8);
if (endOf != 0) {
mimeStringList.AppendFragment(new MimeString(bytes, position, endOf));
position += endOf;
} else
break;
}
if (mimeStringList.Count == 0)
return new MimeString();
if (mimeStringList.Count == 1)
return mimeStringList[0];
var sz = mimeStringList.GetSz();
return new MimeString(sz, 0, sz.Length);
}
public void ParseQString(bool save, ref MimeStringList phrase, bool handleISO2022)
{
var quotedPair = false;
if (save)
phrase.AppendFragment(new MimeString(bytes, position, 1, 268435456U));
++position;
var singleByte = true;
do {
var count = MimeScan.ScanQuotedString(bytes, position, end - position, handleISO2022, ref quotedPair);
if (count != 0) {
if (save)
phrase.AppendFragment(new MimeString(bytes, position, count));
position += count;
}
if (position != end) {
if (bytes[position] == 14 || bytes[position] == 27)
this.ParseEscapedString(save, ref phrase, out singleByte);
else {
if (save)
phrase.AppendFragment(new MimeString(bytes, position, 1, 268435456U));
++position;
if (bytes[position - 1] == 34)
return;
quotedPair = true;
}
}
} while (this.ParseNextLine());
if (!save || !singleByte)
return;
phrase.AppendFragment(new MimeString(MimeString.DoubleQuote, 0, MimeString.DoubleQuote.Length, 268435456U));
}
public bool ParseToDelimiter(bool ignoreNextByte, bool separateWithWhitespace, ref MimeStringList phrase)
{
var flag = false;
var num = ignoreNextByte ? 1 : 0;
while (true) {
var characterCount = 0;
var count = num + MimeScan.FindEndOf(MimeScan.Token.Atom, bytes, position + num, end - position - num, out characterCount, allowUTF8);
if (count != 0) {
flag = true;
if (phrase.Length != 0 && separateWithWhitespace) {
if (position == start || bytes[position - 1] != 32)
phrase.AppendFragment(SpaceLine);
else {
--position;
++count;
}
}
separateWithWhitespace = false;
phrase.AppendFragment(new MimeString(bytes, position, count));
position += count;
}
if (position == end && this.ParseNextLine())
num = 0;
else
break;
}
return flag;
}
public void ParseParameterValue(ref MimeStringList value, ref bool goodValue, bool handleISO2022)
{
var mimeStringList = new MimeStringList();
goodValue = true;
while (position != end || this.ParseNextLine()) {
var ch = bytes[position];
switch (ch) {
case 34:
value.Reset();
mimeStringList.Reset();
this.ParseQString(true, ref value, handleISO2022);
return;
case 40:
this.ParseCFWS(true, ref mimeStringList, handleISO2022);
continue;
default:
if (!MimeScan.IsLWSP(ch)) {
if (ch == 59)
return;
var offset = position;
do {
var bytesUsed = 1;
if (!MimeScan.IsToken(ch)) {
if (allowUTF8 && ch >= 128) {
if (!MimeScan.IsUTF8NonASCII(bytes, position, end, out bytesUsed)) {
bytesUsed = 1;
goodValue = false;
}
} else
goodValue = false;
}
position += bytesUsed;
if (position != end) {
ch = bytes[position];
switch (ch) {
case 59:
case 40:
goto label_17;
default:
continue;
}
}
break;
} while (!MimeScan.IsLWSP(ch));
label_17:
value.TakeOverAppend(ref mimeStringList);
value.AppendFragment(new MimeString(bytes, offset, position - offset));
continue;
}
goto case (byte) 40;
}
}
}
public void ParseDomainLiteral(bool save, ref MimeStringList domain)
{
var flag = false;
var offset = position;
++position;
byte num;
do {
if (position == end) {
if (offset != position && save)
domain.AppendFragment(new MimeString(bytes, offset, position - offset));
if (!this.ParseNextLine()) {
offset = position;
break;
}
offset = position;
}
num = bytes[position++];
if (flag)
flag = false;
else if (num == 92)
flag = true;
} while (num != 93);
if (offset == position || !save)
return;
domain.AppendFragment(new MimeString(bytes, offset, position - offset));
}
public void ParseComment(bool save, bool saveInnerOnly, ref MimeStringList comment, bool handleISO2022)
{
var level = 1;
var quotedPair = false;
var num1 = 0;
if (save && !saveInnerOnly)
comment.AppendFragment(new MimeString(bytes, position, 1));
++position;
do {
var num2 = MimeScan.ScanComment(bytes, position, end - position, handleISO2022, ref level, ref quotedPair);
if (num2 != 0) {
if (save) {
if (level == 0 && saveInnerOnly)
num1 = 1;
comment.AppendFragment(new MimeString(bytes, position, num2 - num1));
}
position += num2;
if (level == 0)
break;
}
if (position != end && (bytes[position] == 14 || bytes[position] == 27)) {
bool singleByte;
this.ParseEscapedString(save, ref comment, out singleByte);
}
} while (this.ParseNextLine());
}
public AddressParserResult ParseNextMailbox(ref MimeStringList displayName, ref MimeStringList address)
{
var addressParserResult = groupInProgress ? AddressParserResult.GroupInProgress : AddressParserResult.Mailbox;
var parserStage = ParserStage.BEGIN;
var mimeStringList1 = new MimeStringList();
var mimeStringList2 = new MimeStringList();
var mimeStringList3 = new MimeStringList();
var flag1 = true;
var flag2 = false;
var ignoreNextByte = false;
if (!this.Initialized)
throw new System.InvalidOperationException(Resources.Strings.AddressParserNotInitialized);
while (true) {
byte num1;
do {
do {
do {
do {
if (valueParser.ParseToDelimiter(ignoreNextByte, !flag1 && flag2, ref mimeStringList1)) {
flag2 = false;
ignoreNextByte = false;
flag1 = false;
}
num1 = valueParser.ParseGet();
var num2 = num1;
if (num2 <= 34U) {
switch (num2) {
case 0:
goto label_24;
case 9:
case 10:
case 13:
case 32:
valueParser.ParseWhitespace(false, ref mimeStringList3);
flag2 = true;
continue;
case 34:
valueParser.ParseUnget();
if (mimeStringList1.Length != 0 && !flag1)
valueParser.ParseAppendSpace(ref mimeStringList1);
else
flag1 = false;
valueParser.ParseQString(true, ref mimeStringList1, true);
flag2 = true;
continue;
}
} else if (num2 <= 46U) {
switch (num2) {
case 40:
if (mimeStringList2.Length != 0)
mimeStringList2.Reset();
valueParser.ParseUnget();
if (ignoreComments) {
valueParser.ParseComment(true, false, ref mimeStringList2, true);
if (flag2)
mimeStringList1.AppendFragment(new MimeString(" "));
mimeStringList1.TakeOverAppend(ref mimeStringList2);
} else
valueParser.ParseComment(true, true, ref mimeStringList2, true);
flag2 = true;
continue;
case 44:
goto label_24;
case 46:
valueParser.ParseAppendLastByte(ref mimeStringList1);
flag1 = true;
continue;
}
} else {
switch (num2) {
case 58:
case 59:
case 60:
case 62:
case 64:
case 91:
case 93:
goto label_24;
}
}
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
label_24:
switch (parserStage) {
case ParserStage.BEGIN:
var num3 = num1;
if (num3 <= 44U) {
if (num3 != 0) {
if (num3 != 44)
goto label_41;
} else
goto label_40;
} else {
switch (num3) {
case 58:
continue;
case 59:
groupInProgress = false;
addressParserResult = AddressParserResult.Mailbox;
break;
case 60:
goto label_38;
case 62:
goto label_39;
case 64:
goto label_35;
case 91:
goto label_36;
default:
goto label_41;
}
}
if (mimeStringList1.GetLength(4026531839U) != 0) {
displayName.TakeOver(ref mimeStringList1);
goto label_89;
}
mimeStringList1.Reset();
continue;
case ParserStage.ANGLEADDR:
goto label_42;
case ParserStage.ADDRSPEC:
goto label_60;
case ParserStage.ROUTEDOMAIN:
goto label_75;
case ParserStage.END:
goto label_85;
default:
goto label_89;
}
} while (mimeStringList1.GetLength(4026531839U) == 0);
displayName.TakeOver(ref mimeStringList1);
groupInProgress = true;
return AddressParserResult.GroupStart;
label_35:
var length = mimeStringList1.Length;
valueParser.ParseAppendLastByte(ref mimeStringList1);
address.TakeOver(ref mimeStringList1);
parserStage = ParserStage.ADDRSPEC;
continue;
label_36:
if (!useSquareBrackets) {
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
label_38:
displayName.TakeOver(ref mimeStringList1);
parserStage = ParserStage.ANGLEADDR;
continue;
label_39:
mimeStringList1.Reset();
continue;
label_40:
displayName.TakeOver(ref mimeStringList1);
goto label_89;
label_41:
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
label_42:
var num4 = num1;
if (num4 <= 44U) {
if (num4 != 0) {
if (num4 == 44)
goto label_57;
goto label_59;
}
goto label_58;
}
switch (num4) {
case 58:
goto label_56;
case 60:
continue;
case 62:
goto label_55;
case 64:
if (mimeStringList1.Length == 0) {
parserStage = ParserStage.ROUTEDOMAIN;
continue;
}
valueParser.ParseAppendLastByte(ref mimeStringList1);
address.TakeOver(ref mimeStringList1);
parserStage = ParserStage.ADDRSPEC;
continue;
case 91:
if (!useSquareBrackets) {
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
goto case (byte) 60;
case 93:
goto label_53;
default:
goto label_59;
}
} while (mimeStringList1.Length == 0);
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
label_53:
if (!useSquareBrackets) {
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
label_55:
address.TakeOver(ref mimeStringList1);
parserStage = address.Length != 0 || displayName.Length != 0 ? ParserStage.END : ParserStage.BEGIN;
continue;
label_56:
mimeStringList1.Reset();
continue;
label_57:
;
} while (displayName.Length == 0 && mimeStringList1.Length == 0);
label_58:
address.TakeOver(ref mimeStringList1);
break;
label_59:
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
label_60:
var num5 = num1;
if (num5 <= 44U) {
if (num5 != 0 && num5 != 44)
goto label_74;
} else {
switch (num5) {
case 59:
groupInProgress = false;
break;
case 60:
if (displayName.Length == 0) {
displayName.TakeOverAppend(ref address);
parserStage = ParserStage.ANGLEADDR;
continue;
}
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
case 62:
address.TakeOverAppend(ref mimeStringList1);
parserStage = ParserStage.END;
continue;
case 91:
if (mimeStringList1.Length == 0) {
valueParser.ParseUnget();
valueParser.ParseDomainLiteral(true, ref mimeStringList1);
address.TakeOverAppend(ref mimeStringList1);
parserStage = ParserStage.END;
continue;
}
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
case 93:
if (!useSquareBrackets) {
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
goto case (byte) 62;
default:
goto label_74;
}
}
address.TakeOverAppend(ref mimeStringList1);
} while (address.Length == 0 && displayName.Length == 0 && num1 != 0);
break;
label_74:
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
label_75:
var num6 = num1;
if (num6 <= 44U) {
if (num6 != 0) {
if (num6 != 44)
goto label_84;
} else
break;
} else {
switch (num6) {
case 58:
break;
case 62:
mimeStringList1.Reset();
parserStage = ParserStage.END;
continue;
case 91:
mimeStringList1.Reset();
valueParser.ParseUnget();
valueParser.ParseDomainLiteral(false, ref mimeStringList3);
continue;
case 93:
if (!useSquareBrackets) {
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
}
goto case (byte) 62;
default:
goto label_84;
}
}
mimeStringList1.Reset();
parserStage = ParserStage.ANGLEADDR;
continue;
label_84:
valueParser.ParseUnget();
ignoreNextByte = true;
continue;
label_85:
mimeStringList1.Reset();
switch (num1) {
case 0:
case 44:
if (address.Length == 0 && displayName.Length == 0 && num1 != 0) {
parserStage = ParserStage.BEGIN;
continue;
}
goto label_89;
case 59:
groupInProgress = false;
goto case (byte) 0;
default:
continue;
}
}
label_89:
if (displayName.Length == 0 && mimeStringList2.Length != 0 && address.Length != 0)
displayName.TakeOver(ref mimeStringList2);
if (address.Length == 0 && displayName.Length == 0)
addressParserResult = AddressParserResult.End;
return addressParserResult;
}
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);
}
