/// <summary>
/// Parses the file defined by the given <see cref="FileInfo" />.
/// </summary>
/// <remarks>
/// Currently this compiler only handles files in the Olson (TZDB) zone info format.
/// </remarks>
/// <param name="file">The file to parse.</param>
/// <param name="database">The <see cref="TzdbDatabase" /> where the parsed data is placed.</param>
internal void ParseFile(FileInfo file, TzdbDatabase database)
{
using (FileStream stream = file.OpenRead())
{
tzdbParser.Parse(stream, database);
}
}
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 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);
}
}
}
}
/// <summary>
/// Helper method to create a database and call Parse with the given text.
/// </summary>
private TzdbDatabase ParseText(string line)
{
var parser = new TzdbZoneInfoParser();
var database = new TzdbDatabase("version");
parser.Parse(new StringReader(line), database);
return database;
}
private static List<DateTimeZone> LoadTzSources(IEnumerable<byte[]> sources)
{
var parser = new TzdbZoneInfoParser();
var database = new TzdbDatabase(version: "ignored");
foreach (var source in sources)
{
parser.Parse(new MemoryStream(source), database);
}
return database.GenerateDateTimeZones()
.Concat(database.Aliases.Keys.Select(database.GenerateDateTimeZone))
.ToList();
}