public bool IsValidName(ReadOnlyString newName, out ReadOnlyString validatedName)
{
validatedName = newName.Chars.Trim();
if (validatedName.IsEmpty)
{
return(true);
}
var nameSpan = validatedName.Span;
for (int i = 0; i < nameSpan.Length; i++)
{
char c = nameSpan[i];
if (!(
ExpressionTokenizer.IsNameToken(c) ||
ExpressionTokenizer.IsSpaceToken(c) ||
(i > 0 && ExpressionTokenizer.IsDigitToken(c))))
{
return(false);
}
}
if (Expressions.ContainsKey(validatedName))
{
return(false);
}
return(true);
}
public bool ConsistsOfDigits()
{
var span = Value.AsSpan();
for (int i = 0; i < span.Length; i++)
{
char c = span[i];
if (!ExpressionTokenizer.IsDigitToken(c))
{
return(false);
}
}
return(true);
}