public IoElement Decode(IBitReader reader)
{
byte num1 = reader != null?reader.ReadByte() : throw new ArgumentNullException(nameof(reader));
int num2 = 0;
int id = 0;
List <IoProperty> properties = new List <IoProperty>(num1);
while (num2 < num1)
{
bool bit;
if (reader.ReadBit(out bit) != 1)
{
throw new EndOfStreamException();
}
if (bit)
{
long bits1;
if (reader.ReadBits(out bits1, 3) < 3)
{
throw new EndOfStreamException();
}
if (bits1 == 0L)
{
long bits2;
if (reader.ReadBits(out bits2, 1) < 1)
{
throw new EndOfStreamException();
}
properties.Add(IoProperty.Create(id, (byte)bits2));
}
else
{
if (bits1 != 1L)
{
throw new Exception("Unknown type");
}
long bits2;
if (reader.ReadBits(out bits2, 32) < 32)
{
throw new EndOfStreamException();
}
properties.Add(IoProperty.Create(id, (int)bits2));
}
++num2;
}
++id;
}
return(new IoElement(0, properties));
}
public static int ReadBitSequence(IBitReader reader, out long value, int length)
{
value = 0L;
for (int index = 0; index < length; ++index)
{
bool bit;
if (reader.ReadBit(out bit) != 1)
{
return(index);
}
long num = (bit ? 1L : 0L) << index;
value |= num;
}
return(length);
}
public char DecodeChar(IBitReader reader)
{
var current = Root;
while (!(current?.IsLeaf() ?? true))
{
if (reader.ReadBit())
{
if (current.Right is not null)
{
current = current.Right;
}
}
else
{
if (current.Left is not null)
{
current = current.Left;
}
}
}
return(current?.Symbol ?? '\0');
}
public AvlData[] Decode(IBitReader reader)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
long y2Ktime;
if (ReadBitSequence(reader, out y2Ktime, 35) != 35)
{
throw new Exception("Wrong timestamp bits count");
}
long timestamp = Y2K2Timestamp(y2Ktime);
long bits;
if (reader.ReadBits(out bits, 5) != 5)
{
throw new Exception("Wrong element count bits count");
}
long num1 = Math.Min(bits, 24L);
List <AvlData> avlDataList = new List <AvlData>();
long compressedGws1 = 0;
long compressedGws2 = 0;
for (int index = 0; index < num1; ++index)
{
bool bit1;
if (reader.ReadBit(out bit1) != 1)
{
throw new Exception("Wrong data bits count");
}
if (bit1)
{
bool bit2;
if (reader.ReadBit(out bit2) != 1)
{
throw new Exception("Wrong data bits count");
}
if (bit2)
{
long num2;
if (ReadBitSequence(reader, out num2, 14) != 14)
{
throw new Exception("Wrong data bits count");
}
long num3;
if (ReadBitSequence(reader, out num3, 14) != 14)
{
throw new Exception("Wrong data bits count");
}
compressedGws1 = compressedGws1 - num2 + 8191L;
compressedGws2 = compressedGws2 - num3 + 8191L;
}
else
{
if (ReadBitSequence(reader, out compressedGws1, 21) != 21)
{
throw new Exception("Wrong data bits count");
}
if (ReadBitSequence(reader, out compressedGws2, 20) != 20)
{
throw new Exception("Wrong data bits count");
}
}
long num4 = DecompressGws(compressedGws1, -1800000000L, 1800000000L, 3600000000L, 2097151L);
long num5 = DecompressGws(compressedGws2, -900000000L, 900000000L, 1800000000L, 1048575L);
short speed = reader.ReadByte();
AvlData avlData = new AvlData(AvlDataPriority.Low, DateTimeExt.FromAvl(timestamp), new GpsElement((int)num4, (int)num5, 0, speed, 0, 3));
avlDataList.Add(avlData);
}
timestamp += 3600000L;
}
return(avlDataList.ToArray());
}
public void TestThatReadBitCallsInputStreamReadByteOnce()
{
bitReader.ReadBit();
inputStreamMock.Verify(x => x.ReadByte(), Times.Once);
}
