private static bool ZTryAsQuotedUTF8(string pString, bool pSecret, out cTextCommandPart rResult)
{
if (pString == null)
{
rResult = null; return(false);
}
var lEncBytes = Encoding.UTF8.GetBytes(pString);
var lBytes = new cByteList(lEncBytes.Length + 2);
lBytes.Add(cASCII.DQUOTE);
foreach (byte lByte in lEncBytes)
{
if (lByte == cASCII.NUL || lByte == cASCII.CR || lByte == cASCII.LF)
{
rResult = null; return(false);
}
if (lByte == cASCII.DQUOTE || lByte == cASCII.BACKSL)
{
lBytes.Add(cASCII.BACKSL);
}
lBytes.Add(lByte);
}
lBytes.Add(cASCII.DQUOTE);
rResult = new cTextCommandPart(lBytes, pSecret);
return(true);
}
private static bool ZTryAsQuotedASCII(string pString, bool pSecret, out cTextCommandPart rResult)
{
if (pString == null)
{
rResult = null; return(false);
}
var lBytes = new cByteList(pString.Length + 2);
lBytes.Add(cASCII.DQUOTE);
foreach (char lChar in pString)
{
if (lChar == cChar.NUL || lChar == cChar.CR || lChar == cChar.LF || lChar > cChar.DEL)
{
rResult = null; return(false);
}
if (lChar == '"' || lChar == '\\')
{
lBytes.Add(cASCII.BACKSL);
}
lBytes.Add((byte)lChar);
}
lBytes.Add(cASCII.DQUOTE);
rResult = new cTextCommandPart(lBytes, pSecret);
return(true);
}
private static bool ZTryAsQuotedASCII(IList <byte> pBytes, bool pSecret, bool pEncoded, out cTextCommandPart rResult)
{
if (pBytes == null)
{
rResult = null; return(false);
}
var lBytes = new cByteList(pBytes.Count + 2);
lBytes.Add(cASCII.DQUOTE);
foreach (byte lByte in pBytes)
{
if (lByte == cASCII.NUL || lByte == cASCII.CR || lByte == cASCII.LF || lByte > cASCII.DEL)
{
rResult = null; return(false);
}
if (lByte == cASCII.DQUOTE || lByte == cASCII.BACKSL)
{
lBytes.Add(cASCII.BACKSL);
}
lBytes.Add(lByte);
}
lBytes.Add(cASCII.DQUOTE);
rResult = new cTextCommandPart(lBytes, pSecret, pEncoded);
return(true);
}
public static bool TryAsUTF8String(string pString, out cTextCommandPart rResult)
{
if (pString == null)
{
rResult = null; return(false);
}
return(ZTryAsQuotedUTF8(pString, false, out rResult));
}
private static void _Tests_MailboxName(string pMailboxPath, bool pExpectFail, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cMailboxName), nameof(_Tests_MailboxName), pMailboxPath);
cCommandPartFactory lFactory;
cCommandPart lCommandPart;
cBytesCursor lCursor;
IList <byte> lEncodedMailboxPath;
cMailboxName lMailboxName;
lFactory = new cCommandPartFactory(false, null);
if (!lFactory.TryAsMailbox(pMailboxPath, '/', out lCommandPart, out _))
{
throw new cTestsException($"mailboxname conversion failed on '{pMailboxPath}'");
}
cTextCommandPart lTCP = lCommandPart as cTextCommandPart;
lCursor = new cBytesCursor(lTCP.Bytes);
lCursor.GetAString(out lEncodedMailboxPath);
if (cMailboxName.TryConstruct(lEncodedMailboxPath, cASCII.SLASH, false, out lMailboxName))
{
if (pExpectFail)
{
throw new cTestsException($"mailboxname construction succeeded on '{pMailboxPath}' and it shouldn't have");
}
}
else
{
if (!pExpectFail)
{
throw new cTestsException($"mailboxname construction failed on '{pMailboxPath}' and it shouldn't have");
}
return;
}
if (lMailboxName.Path != pMailboxPath)
{
throw new cTestsException($"mailboxname conversion failed on '{pMailboxPath}' -> {lTCP.Bytes} -> '{lMailboxName}'", lContext);
}
lFactory = new cCommandPartFactory(true, null);
lFactory.TryAsMailbox(pMailboxPath, '/', out lCommandPart, out _);
lTCP = lCommandPart as cTextCommandPart;
lCursor = new cBytesCursor(lTCP.Bytes);
lCursor.GetAString(out lEncodedMailboxPath);
cMailboxName.TryConstruct(lEncodedMailboxPath, cASCII.SLASH, true, out lMailboxName);
if (lMailboxName.Path != pMailboxPath)
{
throw new cTestsException($"mailboxname conversion failed on '{pMailboxPath}' -> {lTCP.Bytes} -> '{lMailboxName}'", lContext);
}
}
public static bool TryAsCharsetName(string pString, out cTextCommandPart rResult)
{
// rfc 3501 says a charset can be an astring; rfc 5256 says a charset can be an atom or a quoted string
// I'm going with the latter here ...
//
if (TryAsAtom(pString, out rResult))
{
return(true);
}
if (ZTryAsQuotedASCII(pString, false, out rResult))
{
return(true);
}
return(false);
}
private static bool ZTryAsBytesInCharset(IList <byte> pBytes, cCharset pCharset, bool pSecret, bool pEncoded, out cTextCommandPart rResult)
{
if (pBytes == null || pBytes.Count == 0)
{
rResult = null; return(false);
}
foreach (byte lByte in pBytes)
{
if (!pCharset.Contains(lByte))
{
rResult = null; return(false);
}
}
rResult = new cTextCommandPart(pBytes, pSecret, pEncoded);
return(true);
}
private static bool ZTryAsBytesInCharset(string pString, cCharset pCharset, bool pSecret, out cTextCommandPart rResult)
{
if (string.IsNullOrEmpty(pString))
{
rResult = null; return(false);
}
var lBytes = new cByteList(pString.Length);
foreach (char lChar in pString)
{
if (!pCharset.Contains(lChar))
{
rResult = null; return(false);
}
lBytes.Add((byte)lChar);
}
rResult = new cTextCommandPart(lBytes, pSecret);
return(true);
}
public cCommandPartFactory(bool pUTF8Enabled, Encoding pEncoding)
{
UTF8Enabled = pUTF8Enabled;
if (pUTF8Enabled)
{
CharsetName = null;
}
else
{
Encoding = pEncoding;
if (pEncoding == null)
{
CharsetName = null;
}
else if (!TryAsCharsetName(pEncoding.WebName, out CharsetName))
{
throw new ArgumentOutOfRangeException(nameof(pEncoding));
}
}
}
public static bool TryAsAtom(string pString, out cTextCommandPart rResult) => ZTryAsBytesInCharset(pString, cCharset.Atom, false, out rResult);