private static void ReadZone1970Locations(DateTimeZoneReader reader)
{
var count = reader.ReadCount();
Console.WriteLine($" Entries: {count}");
for (int i = 0; i < count; i++)
{
int latitudeSeconds = reader.ReadSignedCount();
int longitudeSeconds = reader.ReadSignedCount();
int countryCount = reader.ReadCount();
StringBuilder countries = new StringBuilder();
for (int j = 0; j < countryCount; j++)
{
countries.Append($"{reader.ReadString()} ({reader.ReadString()}), ");
}
if (countries.Length > 0)
{
// Remove the trailing comma+space.
countries.Length -= 2;
}
string zoneId = reader.ReadString();
string comment = reader.ReadString();
Console.WriteLine($" Lat seconds: {latitudeSeconds}; long seconds: {longitudeSeconds}: countries: [{countries}]; id: {zoneId}; comment: {comment}");
}
}
private static void ReadPrecalculatedTimeZone(DateTimeZoneReader reader)
{
int size = reader.ReadCount();
Console.WriteLine($" Precalculated intervals: {size}");
var start = reader.ReadZoneIntervalTransition(null);
for (int i = 0; i < size; i++)
{
var name = reader.ReadString();
var offset = reader.ReadOffset();
var savings = reader.ReadOffset();
var nextStart = reader.ReadZoneIntervalTransition(start);
Console.WriteLine(Invariant($" {start:yyyy-MM-dd'T'HH:mm:ss} - {nextStart:yyyy-MM-dd'T'HH:mm:ss}; wall offset: {offset}; savings: {savings}; name: {name}"));
start = nextStart;
}
if (reader.ReadByte() == 1)
{
Offset standardOffset = reader.ReadOffset();
string standardName = reader.ReadString();
ZoneYearOffset standardYearOffset = ZoneYearOffset.Read(reader);
string daylightName = reader.ReadString();
ZoneYearOffset daylightYearOffset = ZoneYearOffset.Read(reader);
Offset savings = reader.ReadOffset();
Console.WriteLine(" Tail zone:");
Console.WriteLine($" Standard time: {standardYearOffset}; offset: {standardOffset}; name: {standardName}");
Console.WriteLine($" Daylight time: {daylightYearOffset}; offset: {standardOffset + savings}; name: {daylightName}");
}
else
{
Console.WriteLine(" No tail zone");
}
}
private static void ReadMap(DateTimeZoneReader reader)
{
int count = reader.ReadCount();
Console.WriteLine($" Entries: {count}");
for (int i = 0; i < count; i++)
{
string key = reader.ReadString();
string value = reader.ReadString();
Console.WriteLine($" {key} -> {value}");
}
}
private static string[] ReadStringPool(DateTimeZoneReader reader)
{
int count = reader.ReadCount();
Console.WriteLine($" String pool contains {count} entries");
var stringPool = new string[count];
for (int i = 0; i < count; i++)
{
stringPool[i] = reader.ReadString();
}
return(stringPool);
}
private static void ReadZoneLocations(DateTimeZoneReader reader)
{
var count = reader.ReadCount();
Console.WriteLine($" Entries: {count}");
for (int i = 0; i < count; i++)
{
int latitudeSeconds = reader.ReadSignedCount();
int longitudeSeconds = reader.ReadSignedCount();
string countryName = reader.ReadString();
string countryCode = reader.ReadString();
string zoneId = reader.ReadString();
string comment = reader.ReadString();
Console.WriteLine($" Lat seconds: {latitudeSeconds}; long seconds: {longitudeSeconds}: country: {countryName} ({countryCode}); id: {zoneId}; comment: {comment}");
}
}
public void ReadCount_OutOfRange()
{
// Int32.MaxValue + 1 (as a uint) is 10000000_00000000_00000000_00000000
// So only bit 31 is set.
// Divided into 7 bit chunks (reverse order), with top bit set for continuation, this is:
// 10000000 - bits 0-6
// 10000000 - bits 7-13
// 10000000 - bits 14-20
// 10000000 - bits 21-27
// 00001000 - bits 28-34
byte[] data = new byte[] { 0x80, 0x80, 0x80, 0x80, 0b0000_1000 };
var stream = new MemoryStream(data);
var reader = new DateTimeZoneReader(stream, null);
Assert.Throws <InvalidNodaDataException>(() => reader.ReadCount());
}
