public static bool Write(this IBlockOutDevice me, IBlockInDevice source)
{
bool result = source.NotNull() && me.NotNull();
Collection.IVector<byte> data;
while (result && !source.Empty && (data = source.Read()).NotNull() && data.Count > 0)
result &= me.Write(data);
return result;
}
public static Generic.IEnumerator <Tasks.Task <Collection.IBlock <byte> > > GetEnumerator(this IBlockInDevice device)
{
yield return(device.Read());
}
protected BlockDeviceCombiner(IBlockInDevice inDevice, IBlockOutDevice outDevice)
{
this.inDevice = inDevice;
this.outDevice = outDevice;
}
public virtual bool Close()
{
bool result;
if (result = this.inDevice.NotNull() && !this.Wrapped)
{
this.inDevice.Close();
this.inDevice = null;
}
if (this.outDevice.NotNull() && !this.Wrapped)
{
result |= this.outDevice.NotNull();
this.outDevice.Close();
this.outDevice = null;
}
return result;
}
protected BlockDeviceCombiner(IBlockInDevice inDevice) :
this(inDevice, null)
{
}
public static IBlockDevice Wrap(IBlockInDevice inDevice, IBlockOutDevice outDevice)
{
return inDevice.NotNull() || outDevice.NotNull() ? new BlockDeviceCombiner(inDevice, outDevice) { Wrapped = true } : null;
}
public static IBlockDevice Wrap(IBlockInDevice inDevice)
{
return BlockDeviceCombiner.Wrap(inDevice, null);
}
public static IBlockDevice Open(IBlockInDevice inDevice, IBlockOutDevice outDevice)
{
return inDevice.NotNull() || outDevice.NotNull() ? new BlockDeviceCombiner(inDevice, outDevice) : null;
}
public static IBlockDevice Open(IBlockInDevice inDevice)
{
return BlockDeviceCombiner.Open(inDevice, null);
}