private static bool IsDisplayNameValid(StringSegment chars)
{
if (chars == StringSegment.Empty)
{
return(true);
}
if (SipCharacters.IsValidQuoted(chars))
{
return(true);
}
if (SipCharacters.IsValidTokenExcludeWhitespase(chars))
{
return(true);
}
return(false);
}
private bool IsValidValue()
{
if (isSingleName)
{
return(true);
}
if (currentValue == StringSegment.Empty)
{
return(false);
}
if (SipCharacters.IsValidQuoted(currentValue))
{
return(true);
}
if (!SipCharacters.IsValidToken(currentValue))
{
return(false);
}
return(true);
}