/// <summary>
/// This method is used to deserialize the ExGuid basic object from the specified byte array and start index.
/// </summary>
/// <param name="byteArray">Specify the byte array.</param>
/// <param name="startIndex">Specify the start index from the byte array.</param>
/// <returns>Return the length in byte of the ExGuid basic object.</returns>
protected override int DoDeserializeFromByteArray(byte[] byteArray, int startIndex)
{
using (BitReader bitReader = new BitReader(byteArray, startIndex))
{
int numberOfContinousZeroBit = 0;
while (numberOfContinousZeroBit < 8 && bitReader.MoveNext())
{
if (bitReader.Current == false)
{
numberOfContinousZeroBit++;
}
else
{
break;
}
}
switch (numberOfContinousZeroBit)
{
case 2:
this.Value = bitReader.ReadUInt32(5);
this.GUID = bitReader.ReadGuid();
this.Type = ExtendedGUID5BitUintType;
return(17);
case 5:
this.Value = bitReader.ReadUInt32(10);
this.GUID = bitReader.ReadGuid();
this.Type = ExtendedGUID10BitUintType;
return(18);
case 6:
this.Value = bitReader.ReadUInt32(17);
this.GUID = bitReader.ReadGuid();
this.Type = ExtendedGUID17BitUintType;
return(19);
case 7:
this.Value = bitReader.ReadUInt32(32);
this.GUID = bitReader.ReadGuid();
this.Type = ExtendedGUID32BitUintType;
return(21);
case 8:
this.GUID = Guid.Empty;
this.Type = ExtendedGUIDNullType;
return(1);
default:
throw new InvalidOperationException("Failed to parse the ExGuid, the type value is unexpected");
}
}
}
/// <summary>
/// This method is used to get the compressed size value from the data file signature.
/// </summary>
/// <param name="dataFileSignature">Specify the signature of the zip file content.</param>
/// <returns>Return the compressed size value.</returns>
private ulong GetCompressedSize(byte[] dataFileSignature)
{
using (BitReader reader = new BitReader(dataFileSignature, 0))
{
reader.ReadUInt32(32);
return(reader.ReadUInt64(64));
}
}
/// <summary>
/// This method is used to deserialize the StreamObjectHeaderEnd16bit basic object from the specified byte array and start index.
/// </summary>
/// <param name="byteArray">Specify the byte array.</param>
/// <param name="startIndex">Specify the start index from the byte array.</param>
/// <returns>Return the length in byte of the StreamObjectHeaderEnd16bit basic object.</returns>
protected override int DoDeserializeFromByteArray(byte[] byteArray, int startIndex)
{
using (BitReader reader = new BitReader(byteArray, startIndex))
{
int headerType = reader.ReadInt32(2);
if (headerType != 0x3)
{
throw new InvalidOperationException(string.Format("Failed to get the StreamObjectHeaderEnd16bit header type value, expect value {0}, but actual value is {1}", 0x3, headerType));
}
uint typeValue = reader.ReadUInt32(14);
if (!Enum.IsDefined(typeof(StreamObjectTypeHeaderEnd), (int)typeValue))
{
throw new InvalidOperationException(string.Format("Failed to get the StreamObjectHeaderEnd16bit type value, the value {0} is not defined", typeValue));
}
this.Type = (StreamObjectTypeHeaderEnd)typeValue;
return(2);
}
}
