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 ParseSkipToNextDelimiterByte(byte delimiter)
{
MimeStringList mimeStringList = default(MimeStringList);
for (;;)
{
if (this.position != this.end)
{
byte b = this.bytes[this.position];
if (b == delimiter)
{
break;
}
if (b == 34)
{
this.ParseQString(false, ref mimeStringList, true);
}
else if (b == 40)
{
this.ParseComment(false, false, ref mimeStringList, true);
}
else
{
this.position++;
this.ParseCFWS(false, ref mimeStringList, true);
int num = 0;
this.position += MimeScan.FindEndOf(MimeScan.Token.Atom, this.bytes, this.position, this.end - this.position, out num, this.allowUTF8);
}
}
else if (!this.ParseNextLine())
{
return;
}
}
}
// Token: 0x0600019F RID: 415 RVA: 0x00007578 File Offset: 0x00005778
private bool IsQuotingRequired(MimeString mimeStr, bool allowUTF8)
{
AddressItem.WriteState writeState = AddressItem.WriteState.Begin;
MimeString mimeString = new MimeString(AddressItem.WordBreakBytes, 0, AddressItem.WordBreakBytes.Length);
int num;
int num2;
byte[] data = mimeStr.GetData(out num, out num2);
while (num2 != 0)
{
switch (writeState)
{
case AddressItem.WriteState.Begin:
{
int num3 = 0;
int num4 = MimeScan.FindEndOf(MimeScan.Token.Atom, data, num, num2, out num3, allowUTF8);
if (num4 == 0)
{
if (num2 <= 3 || num != 0 || !mimeString.HasPrefixEq(data, 0, 3))
{
return(true);
}
num += 3;
num2 -= 3;
writeState = AddressItem.WriteState.Begin;
}
else
{
num += num4;
num2 -= num4;
writeState = AddressItem.WriteState.Atom;
}
break;
}
case AddressItem.WriteState.Atom:
if ((num2 < 2 || data[num] != 32) && (num2 < 1 || data[num] != 46))
{
return(true);
}
num++;
num2--;
writeState = AddressItem.WriteState.Begin;
break;
}
}
return(false);
}
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);
}
// Token: 0x0600046A RID: 1130 RVA: 0x00019454 File Offset: 0x00017654
public static int SkipLwsp(byte[] bytes, int offset, int length)
{
int num = 0;
return(MimeScan.FindEndOf(MimeScan.Token.Lwsp, bytes, offset, length, out num, false));
}
public static int ParseToken(MimeString str, out int characterCount, bool allowUTF8)
{
return(MimeScan.FindEndOf(MimeScan.Token.Token, str.Data, str.Offset, str.Length, out characterCount, allowUTF8));
}
public static int ParseToken(string value, int currentOffset, bool allowUTF8)
{
return(MimeScan.FindEndOf(MimeScan.Token.Token, value, currentOffset, allowUTF8));
}
// Token: 0x06000324 RID: 804 RVA: 0x0001178C File Offset: 0x0000F98C
public MimeToken Parse(byte[] data, int start, int end, bool flush)
{
int num = start + this.currentOffset;
int num2 = start + this.lineOffset;
switch (this.state)
{
case MimeParser.ParseState.Headers:
{
bool flag = false;
int num3 = ByteString.IndexOf(data, 10, num, end - num);
if (num3 == -1)
{
num3 = end;
}
if (num3 == end)
{
if ((end - start <= 998 && !flush) || (!flush && end - start <= 999 && data[end - 1] == 13))
{
this.currentOffset = end - start;
return(new MimeToken(MimeTokenId.None, 0));
}
}
else if (num3 == start || data[num3 - 1] != 13)
{
this.compliance |= MimeComplianceStatus.BareLinefeedInHeader;
flag = true;
}
else
{
num3--;
}
this.headerNameLength = 0;
this.headerDataOffset = 0;
int num4;
if (num3 - start > 998)
{
this.compliance |= MimeComplianceStatus.InvalidWrapping;
this.currentOffset = num3 - (start + 998);
this.lineOffset = num2 - (start + 998);
num3 = start + 998;
num4 = 0;
}
else
{
this.currentOffset = 0;
this.lineOffset = ((num3 == end) ? (num2 - num3) : 0);
num4 = ((num3 == end) ? 0 : (flag ? 1 : 2));
}
if (num3 == start)
{
this.state = MimeParser.ParseState.EndOfHeaders;
this.lastTokenLength = num4;
return(new MimeToken(MimeTokenId.EndOfHeaders, this.lastTokenLength));
}
if (num4 != 0 && num3 + num4 < end && data[num3 + num4] != 32 && data[num3 + num4] != 9)
{
this.headerComplete = true;
}
else
{
this.headerComplete = false;
}
if (!this.firstHeader && (num2 < start || data[num2] == 32 || data[num2] == 9))
{
this.lastTokenLength = num3 + num4 - start;
return(new MimeToken(MimeTokenId.HeaderContinuation, this.lastTokenLength));
}
this.firstHeader = false;
int num5 = 0;
this.headerNameLength = MimeScan.FindEndOf(MimeScan.Token.Field, data, start, num3 - start, out num5, false);
if (this.headerNameLength == 0)
{
this.compliance |= MimeComplianceStatus.InvalidHeader;
this.lastTokenLength = num3 + num4 - start;
return(new MimeToken(MimeTokenId.Header, this.lastTokenLength));
}
int num6 = start + this.headerNameLength;
if (num6 == num3 || data[num6] != 58)
{
num6 += MimeScan.SkipLwsp(data, num6, num3 - num6);
if (num6 == num3 || data[num6] != 58)
{
this.headerNameLength = 0;
if (this.mime && (this.parseStackTop > 0 || this.currentLevel.ContentType == MajorContentType.Multipart) && num3 - num2 > 2 && data[num2] == 45 && data[num2 + 1] == 45 && this.FindBoundary(data, num2, num3, out this.nextBoundaryLevel, out this.nextBoundaryEnd))
{
this.compliance |= MimeComplianceStatus.MissingBodySeparator;
if (this.nextBoundaryLevel != this.parseStackTop)
{
this.compliance |= MimeComplianceStatus.MissingBoundary;
}
this.lineOffset = 0;
this.currentOffset = num3 - start;
this.state = MimeParser.ParseState.EndOfHeaders;
return(new MimeToken(MimeTokenId.EndOfHeaders, 0));
}
this.compliance |= MimeComplianceStatus.InvalidHeader;
this.lastTokenLength = num3 + num4 - start;
return(new MimeToken(MimeTokenId.Header, this.lastTokenLength));
}
}
this.headerDataOffset = num6 + 1 - start;
this.lastTokenLength = num3 + num4 - start;
return(new MimeToken(MimeTokenId.Header, this.lastTokenLength));
}
case MimeParser.ParseState.EndOfHeaders:
this.CheckMimeConstraints();
if (this.mime && this.parseEmbeddedMessages && this.currentLevel.ContentType == MajorContentType.MessageRfc822 && !this.currentLevel.StreamMode)
{
this.PushLevel(false);
this.lastTokenLength = 0;
return(new MimeToken(MimeTokenId.EmbeddedStart, 0));
}
this.state = MimeParser.ParseState.Body;
break;
case MimeParser.ParseState.Body:
break;
default:
return(new MimeToken(MimeTokenId.EndOfFile, 0));
}
return(this.ParseBody(data, start, end, flush, num2, num));
}
