/// <summary>
/// Reads a time zone from the specified reader.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="id">The id.</param>
/// <returns>The time zone.</returns>
public static DateTimeZone ReadLegacy(LegacyDateTimeZoneReader reader, string id)
{
string[] stringPool = new string[reader.ReadCount()];
for (int i = 0; i < stringPool.Length; i++)
{
stringPool[i] = reader.ReadString();
}
int size = reader.ReadCount();
var periods = new ZoneInterval[size];
var start = reader.ReadZoneIntervalTransition(null);
for (int i = 0; i < size; i++)
{
int nameIndex = stringPool.Length < 256 ? reader.ReadByte() : reader.ReadInt32();
var name = stringPool[nameIndex];
var offset = reader.ReadOffset();
var savings = reader.ReadOffset();
var nextStart = reader.ReadZoneIntervalTransition(start);
periods[i] = new ZoneInterval(name, start, nextStart, offset, savings);
start = nextStart;
}
var tailZone = reader.ReadTimeZone(id + "-tail");
return(new PrecalculatedDateTimeZone(id, periods, tailZone));
}
/// <summary>
/// Reads the zone from the specified reader.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="id">The id.</param>
/// <returns></returns>
internal static DateTimeZone ReadLegacy(LegacyDateTimeZoneReader reader, string id)
{
Preconditions.CheckNotNull(reader, "reader");
var timeZone = reader.ReadTimeZone(id);
return(ForZone(timeZone));
}