private static int Main(string[] args)
{
Options options = new Options();
ICommandLineParser parser = new CommandLineParser(new CommandLineParserSettings(Console.Error) { MutuallyExclusive = true });
if (!parser.ParseArguments(args, options))
{
return 1;
}
List<DateTimeZone> zones = LoadSource(options);
zones = zones.OrderBy(zone => zone.Id, StringComparer.Ordinal).ToList();
if (options.ZoneId != null)
{
var zone = zones.FirstOrDefault(z => z.Id == options.ZoneId);
if (zone == null)
{
throw new Exception($"Unknown zone ID: {options.ZoneId}");
}
DumpZone(zone, options);
}
else
{
foreach (var zone in zones)
{
DumpZone(zone, options);
Console.Write("\r\n");
}
}
return 0;
}
private static int Main(string[] args)
{
Options options = new Options();
ICommandLineParser parser = new CommandLineParser(new CommandLineParserSettings(Console.Error) { MutuallyExclusive = true });
if (!parser.ParseArguments(args, options))
{
return 1;
}
TzdbDateTimeZoneSource source = LoadSource(options.Source);
var dumper = new ZoneDumper(source, options);
try
{
using (var writer = options.OutputFile == null ? Console.Out : File.CreateText(options.OutputFile))
{
dumper.Dump(writer);
}
}
catch (UserErrorException e)
{
Console.Error.WriteLine($"Error: {e.Message}");
return 1;
}
return 0;
}
// This will do something soon :)
public IActionResult Generate(int startYear = 1, int endYear = 2035)
{
var source = TzdbDateTimeZoneSource.Default;
var writer = new StringWriter();
var options = new Options { FromYear = startYear, ToYear = endYear };
var dumper = new ZoneDumper(source, options);
dumper.Dump(writer);
return new ContentResult
{
Content = writer.ToString(),
ContentType = "text/plain",
StatusCode = (int) HttpStatusCode.OK
};
}
private static void DumpZone(DateTimeZone zone, Options options)
{
Console.Write("{0}\r\n", zone.Id);
var initial = zone.GetZoneInterval(Instant.MinValue);
Console.Write("Initially: {0} {1} {2}\r\n",
OffsetPattern.Format(initial.WallOffset),
initial.Savings != Offset.Zero ? "daylight" : "standard",
initial.Name);
foreach (var zoneInterval in zone.GetZoneIntervals(options.Start, options.End)
.Where(zi => zi.HasStart && zi.Start >= options.Start))
{
Console.Write("{0} {1} {2} {3}\r\n",
InstantPattern.Format(zoneInterval.Start),
OffsetPattern.Format(zoneInterval.WallOffset),
zoneInterval.Savings != Offset.Zero ? "daylight" : "standard",
zoneInterval.Name);
}
}
private static int Main(string[] args)
{
Options options = new Options();
ICommandLineParser parser = new CommandLineParser(new CommandLineParserSettings(Console.Error) { MutuallyExclusive = true });
if (!parser.ParseArguments(args, options))
{
return 1;
}
List<DateTimeZone> zones = LoadSource(options.Source);
zones = zones.OrderBy(zone => zone.Id, StringComparer.Ordinal).ToList();
foreach (var zone in zones)
{
DumpZone(zone, options);
Console.Write("\r\n");
}
return 0;
}
private static List<DateTimeZone> LoadSource(Options options)
{
var source = options.Source;
if (source == null)
{
var provider = DateTimeZoneProviders.Tzdb;
return provider.Ids.Select(id => provider[id]).ToList();
}
if (source.EndsWith(".nzd"))
{
var data = LoadFileOrUrl(source);
var tzdbSource = TzdbDateTimeZoneSource.FromStream(new MemoryStream(data));
return tzdbSource.GetIds().Select(id => tzdbSource.ForId(id)).ToList();
}
else
{
var compiler = new TzdbZoneInfoCompiler(log: null);
var database = compiler.Compile(source);
return database.GenerateDateTimeZones()
.Concat(database.Aliases.Keys.Select(database.GenerateDateTimeZone))
.ToList();
}
}
public ZoneDumper(TzdbDateTimeZoneSource source, Options options)
{
this.source = source;
this.options = options;
}