49 lines
1.3 KiB
C#
49 lines
1.3 KiB
C#
using System.Text;
|
|
using MemoryPack;
|
|
|
|
namespace Phantom.Common.Data;
|
|
|
|
[MemoryPackable(GenerateType.VersionTolerant)]
|
|
readonly partial record struct PortRange(
|
|
[property: MemoryPackOrder(0)] ushort FirstPort,
|
|
[property: MemoryPackOrder(1)] ushort LastPort
|
|
) {
|
|
internal bool Contains(ushort port) {
|
|
return port >= FirstPort && port <= LastPort;
|
|
}
|
|
|
|
internal void ToString(StringBuilder builder) {
|
|
builder.Append(FirstPort);
|
|
|
|
if (LastPort != FirstPort) {
|
|
builder.Append('-');
|
|
builder.Append(LastPort);
|
|
}
|
|
}
|
|
|
|
internal static PortRange Parse(ReadOnlySpan<char> definition) {
|
|
int separatorIndex = definition.IndexOf('-');
|
|
if (separatorIndex == -1) {
|
|
var port = ParsePort(definition.Trim());
|
|
return new PortRange(port, port);
|
|
}
|
|
|
|
var firstPort = ParsePort(definition[..separatorIndex].Trim());
|
|
var lastPort = ParsePort(definition[(separatorIndex + 1)..].Trim());
|
|
if (lastPort < firstPort) {
|
|
throw new FormatException("Invalid port range '" + firstPort + "-" + lastPort + "'.");
|
|
}
|
|
else {
|
|
return new PortRange(firstPort, lastPort);
|
|
}
|
|
}
|
|
|
|
private static ushort ParsePort(ReadOnlySpan<char> port) {
|
|
try {
|
|
return ushort.Parse(port);
|
|
} catch (Exception) {
|
|
throw new FormatException("Invalid port '" + port.ToString() + "'.");
|
|
}
|
|
}
|
|
}
|