private void LoadLocationFiles(FileSource source, TzdbDatabase database)
{
if (!source.Contains(Iso3166TabFile))
{
return;
}
var iso3166 = source.ReadLines(Iso3166TabFile)
.Where(line => line != "" && !line.StartsWith("#"))
.Select(line => line.Split('\t'))
.ToList();
if (source.Contains(ZoneTabFile))
{
var iso3166Dict = iso3166.ToDictionary(bits => bits[0], bits => bits[1]);
database.ZoneLocations = source.ReadLines(ZoneTabFile)
.Where(line => line != "" && !line.StartsWith("#"))
.Select(line => TzdbZoneLocationParser.ParseLocation(line, iso3166Dict))
.ToList();
}
if (source.Contains(Zone1970TabFile))
{
var iso3166Dict = iso3166.ToDictionary(bits => bits[0], bits => new TzdbZone1970Location.Country(code: bits[0], name: bits[1]));
database.Zone1970Locations = source.ReadLines(ZoneTabFile)
.Where(line => line != "" && !line.StartsWith("#"))
.Select(line => TzdbZoneLocationParser.ParseEnhancedLocation(line, iso3166Dict))
.ToList();
}
}
private void LoadZoneFiles(FileSource source, TzdbDatabase database)
{
var tzdbParser = new TzdbZoneInfoParser();
foreach (var file in ZoneFiles)
{
if (source.Contains(file))
{
log?.WriteLine("Parsing file {0} . . .", file);
using (var stream = source.Open(file))
{
tzdbParser.Parse(stream, database);
}
}
}
}
private async Task <FileSource> LoadSourceAsync(string path)
{
if (path.StartsWith("ftp://") || path.StartsWith("http://") || path.StartsWith("https://"))
{
log?.WriteLine($"Downloading {path}");
var data = await FileUtility.LoadFileOrUrlAsync(path);
return(FileSource.FromArchive(new MemoryStream(data), path));
}
if (Directory.Exists(path))
{
log?.WriteLine($"Compiling from directory {path}");
return(FileSource.FromDirectory(path));
}
else
{
log?.WriteLine($"Compiling from archive file {path}");
using (var file = File.OpenRead(path))
{
return(FileSource.FromArchive(file, path));
}
}
}
private string InferVersion(FileSource source)
{
if (source.Contains(Makefile))
{
foreach (var line in source.ReadLines(Makefile))
{
if (Regex.IsMatch(line, @"VERSION=\d{4}.*"))
{
var version = line.Substring(8).Trim();
log?.WriteLine($"Inferred version {version} from {Makefile}");
return(version);
}
}
}
var match = VersionRegex.Match(source.Origin);
if (match.Success)
{
var version = match.Value;
log?.WriteLine($"Inferred version {version} from file/directory name {source.Origin}");
return(version);
}
throw new InvalidDataException("Unable to determine TZDB version from source");
}
internal static IEnumerable <string> ReadLines(this FileSource source, string name) => ReadLines(() => new StreamReader(source.Open(name)));
private string InferVersion(FileSource source)
{
if (source.Contains(Makefile))
{
foreach (var line in source.ReadLines(Makefile))
{
if (line.StartsWith("VERSION="))
{
var version = line.Substring(8).Trim();
log?.WriteLine($"Inferred version {version} from {Makefile}");
return version;
}
}
}
var match = VersionRegex.Match(source.Origin);
if (match.Success)
{
var version = match.Value;
log?.WriteLine($"Inferred version {version} from file/directory name {source.Origin}");
return version;
}
throw new InvalidDataException("Unable to determine TZDB version from source");
}