protected override Expression VisitNew(NewExpression expression)
{
if (_target != null)
{
return(base.VisitNew(expression));
}
_target = new TargetObject(expression.Type);
var parameters = expression.Constructor.GetParameters();
for (var i = 0; i < parameters.Length; i++)
{
_currentField = _target.StartBinding(parameters[i].Name);
Visit(expression.Arguments[i]);
}
return(expression);
}
protected override Expression VisitNew(NewExpression expression)
{
if (_target == null)
{
_target = new TargetObject(expression.Type);
if (expression.Type.GetTypeInfo().HasAttribute <CompilerGeneratedAttribute>())
{
// it's anonymous, and the rules are different
var parameters = expression.Constructor.GetParameters();
for (var i = 0; i < parameters.Length; i++)
{
var prop = expression.Type.GetProperty(parameters[i].Name);
_currentField = _target.StartBinding(prop);
Visit(expression.Arguments[i]);
}
return(null);
}
}
return(base.VisitNew(expression));
}
public SelectTransformer(IQueryableDocument mapping, TargetObject target, bool distinct)
: base(distinct, target.ToSelectField(mapping))
{
}
public SelectTransformer(IQueryableDocument mapping, TargetObject target)
: base(target.ToSelectField(mapping))
{
}