/// <summary>
/// Trim the 0x, x, 0X, or X from the beginning of the string if needed so the hex parse to a number will work
/// </summary>
/// <param name="s"></param>
public static void HexParsePrep(ref string s)
{
s = StringEx.UserText(s); if (s != null && s.Length >= 2 && s[0] == '0' && (s[1] == 'x' || s[1] == 'X'))
{
s = StringEx.UserText(s.Substring(2));
}
}
public static bool?GetBool(object val, bool parse)
{
if (val == null)
{
return(null);
}
try {
TypeCode tc = val.GetTypeCode();
switch (tc)
{
case TypeCode.String:
if (!parse)
{
return(null);
}
bool n;
string s = StringEx.UserText(val as string);
if (s == null)
{
return(null);
}
if (TryFromServer(s, out n, false))
{
return(n);
}
switch (s[0])
{
case 'T':
case 't':
case '1': return(true);
case 'F':
case 'f':
case '0': return(false);
default: return(null);
}
default:
if (IsNumeric(tc))
{
return(Convert.ToBoolean(val));
}
byte[] b = val as byte[];
int ix = 0;
if (b?.Length == sizeof(bool))
{
return(IOEx.GetBool(b, ref ix));
}
return(null);
}
} catch { return(null); }
}
public static int[] TryToInts(this string ids, char sep = StringEx.c_sep)
{
return(TryToInts(StringEx.UserText(ids)?.Split(sep)?.Select(z => z?.Trim())));
}
/// <summary>
/// IXmlSerializable implementation to export the key as a numeric string content
/// </summary>
public void ReadXml(XmlReader reader)
{
reader.MoveToContent(); Str = StringEx.UserText(reader.ReadElementContentAsString());
}