| public static TryParseInt ( [ s, int &value ) : bool | ||
| s | [ | |
| value | int | |
| return | bool | |
protected override bool TryParse(string value, out int parsed)
{
return(FlexibleParser.TryParseInt(value, out parsed));
}
public static IEnumerable <int> ToDiapason([NotNull] this string s, int min, int max)
{
if (s == null)
{
throw new ArgumentNullException(nameof(s));
}
if (max < min)
{
throw new ArgumentOutOfRangeException(nameof(max));
}
return(s.Split(',', ';').Select(x => x.Trim()).SelectMany(part => {
int n = part.IndexOf('-'), fromValue, toValue;
if (n == 0)
{
var m = part.IndexOf('-', n + 1);
if (m != -1 && m != 1)
{
n = m;
}
}
if (n > 0 && n < part.Length - 1) // "x-y"
{
if (FlexibleParser.TryParseInt(part.Substring(0, n), out fromValue) &&
FlexibleParser.TryParseInt(part.Substring(n + 1), out toValue))
{
fromValue = Math.Max(fromValue, min);
return Enumerable.Range(fromValue, 1 + Math.Min(toValue, max) - fromValue);
}
}
else if (n < 0) // "x"
{
if (FlexibleParser.TryParseInt(part, out fromValue) && fromValue >= min && fromValue <= max)
{
return new[] { fromValue };
}
}
else if (part.Length == 1) // "-"
{
return Enumerable.Range(min, 1 + max - min);
}
else if (n == part.Length - 1) // "x-"
{
if (FlexibleParser.TryParseInt(part.Substring(0, n), out fromValue))
{
fromValue = Math.Max(fromValue, min);
return Enumerable.Range(fromValue, 1 + max - fromValue);
}
}
else // "-x"
{
if (FlexibleParser.TryParseInt(part.Substring(n + 1), out toValue))
{
return Enumerable.Range(min, 1 + Math.Min(toValue, max) - min);
}
}
return new int[0];
}));
}
