/// <summary>
/// Create expression that writes each map item to map bin.
/// </summary>
public static Exp PutItems(MapPolicy policy, Exp map, Exp bin, params CTX[] ctx)
{
Packer packer = new Packer();
if (policy.flags != 0)
{
PackUtil.Init(packer, ctx);
packer.PackArrayBegin(4);
packer.PackNumber(MapOperation.PUT_ITEMS);
map.Pack(packer);
packer.PackNumber(policy.attributes);
packer.PackNumber(policy.flags);
}
else
{
if (policy.itemsCommand == MapOperation.REPLACE_ITEMS)
{
// Replace doesn't allow map attributes because it does not create on non-existing key.
PackUtil.Init(packer, ctx);
packer.PackArrayBegin(2);
packer.PackNumber(policy.itemsCommand);
map.Pack(packer);
}
else
{
PackUtil.Init(packer, ctx);
packer.PackArrayBegin(3);
packer.PackNumber(policy.itemsCommand);
map.Pack(packer);
packer.PackNumber(policy.attributes);
}
}
byte[] bytes = packer.ToByteArray();
return(AddWrite(bin, bytes, ctx));
}
internal static byte[] PackRangeOperation(int command, int returnType, Exp begin, Exp end, CTX[] ctx)
{
Packer packer = new Packer();
PackUtil.Init(packer, ctx);
packer.PackArrayBegin((end != null) ? 4 : 3);
packer.PackNumber(command);
packer.PackNumber(returnType);
if (begin != null)
{
begin.Pack(packer);
}
else
{
packer.PackNil();
}
if (end != null)
{
end.Pack(packer);
}
return(packer.ToByteArray());
}