private void AssignCollection(NodeAssignment assignment)
{
var firstNode = assignment.Assignment.Values.First();
var mutableUnit = new MutablePipelineUnit(firstNode, firstNode.Instance);
pipeline.Handle(assignment.Instance, assignment.Assignment.Member, mutableUnit, null, null);
if (mutableUnit.Handled)
{
return;
}
var parent = assignment.Assignment.Member.GetValue(assignment.Instance);
IEnumerable <object> children;
var mutableValue = mutableUnit.Value as IEnumerable <object>;
if (mutableValue != null)
{
children = mutableValue;
}
else
{
children = from n in assignment.Assignment.Values select n.Instance;
}
foreach (var child in children)
{
Collection.UniversalAdd(parent, child);
}
}
protected void ApplyAssignments(ConstructionNode node, INodeToObjectBuilder builder, BuilderContext context)
{
foreach (var assignment in node.Assignments)
{
var nodeAssignment = new NodeAssignment(assignment, node.Instance);
AssigmentApplier.ExecuteAssignment(nodeAssignment, builder, context);
}
}
public void ExecuteAssignment(NodeAssignment assignment, INodeToObjectBuilder builder, BuilderContext context)
{
if (!assignment.Assignment.Member.MemberType.IsCollection())
{
AssignSingleValue(assignment, builder, context);
}
else
{
AssignCollection(assignment);
}
}
private void AssignSingleValue(NodeAssignment assignment, INodeToObjectBuilder builder, BuilderContext context)
{
var children = assignment.Assignment.Values.ToList();
if (children.Count > 1)
{
throw new InvalidOperationException($"Cannot assign multiple values to a the property {assignment}");
}
var nodeBeingAssigned = children.First();
var value = nodeBeingAssigned.Instance;
var assign = new Assignment(assignment.Instance, assignment.Assignment.Member, value);
SetMember(assign, nodeBeingAssigned, builder, context);
}