| public static IsValidToken ( string input ) : bool | ||
| input | string | |
| return | bool | |
static string EncodeBase64Value(string value)
{
bool quoted = value.Length > 1 && value [0] == '"' && value [value.Length - 1] == '"';
if (quoted)
{
value = value.Substring(1, value.Length - 2);
}
for (int i = 0; i < value.Length; ++i)
{
var ch = value[i];
if (ch > 127)
{
var encoding = Encoding.UTF8;
return(string.Format("\"=?{0}?B?{1}?=\"",
encoding.WebName, Convert.ToBase64String(encoding.GetBytes(value))));
}
}
if (quoted || !Lexer.IsValidToken(value))
{
return("\"" + value + "\"");
}
return(value);
}
public static bool TryCheck(string s)
{
if (s == null)
{
return(false);
}
return(Lexer.IsValidToken(s));
}
public static bool TryParse(string input, out string result)
{
if (input != null && Lexer.IsValidToken(input))
{
result = input;
return(true);
}
result = null;
return(false);
}
public static void Check(string s)
{
if (s == null)
{
throw new ArgumentNullException();
}
if (!Lexer.IsValidToken(s))
{
if (s.Length == 0)
{
throw new ArgumentException();
}
throw new FormatException(s);
}
}
public static bool TryCheck(string s)
{
if (s == null)
{
return(false);
}
if (!Lexer.IsValidToken(s))
{
if (s.Length == 0)
{
return(false);
}
return(false);
}
return(true);
}
static string EncodeBase64Value(string value)
{
for (int i = 0; i < value.Length; ++i)
{
var ch = value[i];
if (ch > 127)
{
var encoding = Encoding.UTF8;
return(string.Format("\"=?{0}?B?{1}?=\"",
encoding.WebName, Convert.ToBase64String(encoding.GetBytes(value))));
}
}
if (!Lexer.IsValidToken(value))
{
return("\"" + value + "\"");
}
return(value);
}