public static BlockHandle ConvertToBlockHandle(this BlockAlias alias, BlockHandleMask mask)
{
if (!alias.IsDefined)
{
return(BlockHandle.Undefined);
}
// Idem, see above.
return(new BlockHandle(alias.Value ^ (~0x01u & (BlockHandle.DefaultMask ^ mask.Value))));
}
public static BlockAlias ConvertToBlockAlias(this BlockHandle handle, BlockHandleMask mask)
{
if (!handle.IsDefined)
{
return(BlockAlias.Undefined);
}
// The handle is XORed with the base mask and a client specific mask
// to obtain the alias. The '~0x01u' bits ensure that the 'IsDefined'
// bit is preserved when converting from handle to alias and vice-versa.
return(new BlockAlias(handle.Value ^ (~0x01u & (BlockHandle.DefaultMask ^ mask.Value))));
}