Пример #1
0
        private Expression <Func <object[], T> > CreateFromObjectsMethod()
        {
            var objectArray        = Expression.Parameter(typeof(object[]), "item");
            var item               = Expression.Variable(Type);
            List <Expression> list = new List <Expression>();

            if (!DataType.IsPrimitiveType(Type))
            {
                list.Add(Expression.Assign(item, Expression.New(item.Type.GetConstructor(new Type[] { }))));
            }

            list.Add(ObjectsHelper.FromObjects(item, objectArray, MembersOrder));
            list.Add(Expression.Label(Expression.Label(typeof(T)), item));

            var body = Expression.Block(typeof(T), new ParameterExpression[] { item }, list);

            return(Expression.Lambda <Func <object[], T> >(body, objectArray));
        }
Пример #2
0
        private Expression <Func <object[], IData> > CreateFromObjectsMethod()
        {
            var objectArray = Expression.Parameter(typeof(object[]), "item");
            var data        = Expression.Variable(typeof(Data <>).MakeGenericType(Type));

            List <Expression> list = new List <Expression>();

            list.Add(Expression.Assign(data, Expression.New(data.Type.GetConstructor(new Type[] { }))));

            if (!DataType.IsPrimitiveType(Type))
            {
                list.Add(Expression.Assign(data.Value(), Expression.New(data.Value().Type.GetConstructor(new Type[] { }))));
            }

            list.Add(ObjectsHelper.FromObjects(data.Value(), objectArray, MembersOrder));
            list.Add(Expression.Label(Expression.Label(typeof(IData)), data));

            var body = Expression.Block(typeof(IData), new ParameterExpression[] { data }, list);

            return(Expression.Lambda <Func <object[], IData> >(body, objectArray));
        }