private bool CheckForItselfOrAnyChildIsConditional(
ref HashSet <IBindingContainer> used,
BindingExtenderBox bindingContainerBox,
IBindingContainer bindingContainer
)
{
if (bindingContainer is null)
{
throw new ArgumentNullException(nameof(bindingContainer));
}
if (used is null)
{
throw new ArgumentNullException(nameof(used));
}
if (bindingContainerBox is null)
{
throw new ArgumentNullException(nameof(bindingContainerBox));
}
if (used.Contains(bindingContainer))
{
//found cycle, skip this subtree as circular
return(false);
}
used.Add(bindingContainer);
if (bindingContainer.IsConditional)
{
return(true);
}
if (bindingContainerBox.TryGetChildren(bindingContainer, true, out var pairs))
{
foreach (var pair in pairs)
{
var used2 = new HashSet <IBindingContainer>(used);
if (CheckForItselfOrAnyChildIsConditional(
ref used2,
bindingContainerBox,
pair.BindingExtender.BindingContainer
))
{
return(true);
}
}
}
return(false);
}
private bool CheckForHasUnresolvedChildren(
ref HashSet <IBindingContainer> used,
BindingExtenderBox box,
IBindingContainer bindingContainer
)
{
if (bindingContainer is null)
{
throw new ArgumentNullException(nameof(bindingContainer));
}
if (used is null)
{
throw new ArgumentNullException(nameof(used));
}
if (box is null)
{
throw new ArgumentNullException(nameof(box));
}
if (used.Contains(bindingContainer))
{
//found cycle, skip this subtree as circular
return(false);
}
used.Add(bindingContainer);
if (!box.TryGetChildren(bindingContainer, false, out var pairs))
{
//at least one child does not found
return(true);
}
foreach (var pair in pairs)
{
var used2 = new HashSet <IBindingContainer>(used);
if (CheckForHasUnresolvedChildren(
ref used2,
box,
pair.BindingExtender.BindingContainer
))
{
return(true);
}
}
return(false);
}
public ClusterBindings(
ITypeSymbol clusterType,
IReadOnlyList <IBindingContainer> bindingContainers
)
{
if (clusterType is null)
{
throw new ArgumentNullException(nameof(clusterType));
}
if (bindingContainers is null)
{
throw new ArgumentNullException(nameof(bindingContainers));
}
ClusterType = clusterType;
BindingContainers = bindingContainers;
BindingExtenders = bindingContainers.ConvertAll(c => new BindingExtender(c));
Box = new BindingExtenderBox(
BindingExtenders
);
}