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));
}
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));
}
private Expression <Func <T, object[]> > CreateToObjectsMethod()
{
var item = Expression.Parameter(Type);
return(Expression.Lambda <Func <T, object[]> >(ObjectsHelper.ToObjects(item, MembersOrder), item));
}
private Expression <Func <IData, object[]> > CreateToObjectsMethod()
{
var data = Expression.Parameter(typeof(IData), "data");
var d = Expression.Variable(typeof(Data <>).MakeGenericType(Type), "d");
var body = Expression.Block(new ParameterExpression[] { d }, Expression.Assign(d, Expression.Convert(data, d.Type)), ObjectsHelper.ToObjects(d.Value(), MembersOrder));
return(Expression.Lambda <Func <IData, object[]> >(body, data));
}