public bool Contains(PortRange range)
{
if (this._specificLocalPort.HasValue)
{
return(this.Equals(range));
}
if (range._isSinglePort)
{
return(range.Begin == this.Begin);
}
return(this.Begin <= range.Begin && this.End >= range.End);
}
public static bool TryParse(string rangeString, out PortRange range)
{
range = null;
if (string.IsNullOrWhiteSpace(rangeString))
{
return(false);
}
var from = -1;
var to = default(int);
for (int i = 0; i < rangeString.Length; i++)
{
var c = rangeString[i];
if (c >= '0' && c <= '9')
{
to = to * 10 + (c - '0');
}
else if (c == '-' && to >= 0 && from == -1)
{
from = to;
to ^= to;
}
else if (char.IsWhiteSpace(c))
{
continue;
}
else
{
if (TryParseSpecificLocalPort(rangeString, out var sp))
{
range = new PortRange(sp.Value);
return(true);
}
return(false);
}
}
if (from == -1)
{
if (to > ushort.MaxValue || to < ushort.MinValue)
{
return(false);
}
range = new PortRange((ushort)to);
}
else
{
if (from > ushort.MaxValue || from < ushort.MinValue)
{
return(false);
}
if (to > ushort.MaxValue || to < ushort.MinValue)
{
return(false);
}
if (from > to)
{
from ^= to ^= from ^= to;
}
range = new PortRange((ushort)from, (ushort)to);
}
return(true);
}