public static ExtraDataBlockHandler GetInstance(ExtraDataBlock item, ShellLinkFile context)
{
var typename = $"Shellify.IO.{item.GetType().Name}Handler";
var type = Type.GetType(typename);
if (type == null)
{
throw new ArgumentException(typename);
}
return((ExtraDataBlockHandler)Activator.CreateInstance(type, new object[] { item, context }));
}
/// <summary>
/// Reads the extra data block.
/// </summary>
/// <param name="binaryReader">The binary reader.</param>
/// <returns></returns>
internal static ExtraDataBlock ReadExtraDataBlock(this BinaryReader binaryReader)
{
int blockSize = binaryReader.ReadInt32();
if (blockSize < 0x4)
{
return(null);
}
var signature = (ExtraDataBlockSignature)(binaryReader.ReadInt32());
var extraDataBlock = default(ExtraDataBlock);
switch (signature)
{
// Raw
case ExtraDataBlockSignature.UnknownDataBlock:
case ExtraDataBlockSignature.ConsoleDataBlock:
case ExtraDataBlockSignature.ConsoleFEDataBlock:
case ExtraDataBlockSignature.PropertyStoreDataBlock:
case ExtraDataBlockSignature.ShimDataBlock:
case ExtraDataBlockSignature.TrackerDataBlock:
case ExtraDataBlockSignature.VistaAndAboveIDListDataBlock:
// Base Folder ID
case ExtraDataBlockSignature.KnownFolderDataBlock:
case ExtraDataBlockSignature.SpecialFolderDataBlock:
{
// Skip reading these extra data blocks.
binaryReader.BaseStream.Seek(blockSize - Marshal.SizeOf(blockSize) - Marshal.SizeOf(typeof(int)), SeekOrigin.Current);
extraDataBlock = new ExtraDataBlock()
{
Signature = signature
};
break;
}
// String
case ExtraDataBlockSignature.DarwinDataBlock:
case ExtraDataBlockSignature.EnvironmentVariableDataBlock:
case ExtraDataBlockSignature.IconEnvironmentDataBlock:
{
extraDataBlock = binaryReader.ReadStringExtraDataBlock(signature);
break;
}
}
return(extraDataBlock);
}
public void TestHandler()
{
foreach (ExtraDataBlockSignature signature in Enum.GetValues(typeof(ExtraDataBlockSignature)))
{
ExtraDataBlock block = null;
try
{
block = ExtraDataBlockFactory.GetInstance(signature);
}
catch (Exception)
{
Assert.Fail("Check ExtraDataBlockFactory with '{0}' signature", signature);
}
try
{
ExtraDataBlockHandlerFactory.GetInstance(block, null);
}
catch (Exception)
{
Assert.Fail("Check ExtraDataBlockHandlerFactory with '{0}' block type", block.GetType().Name);
}
}
}
