public static TFilter GetTag <TFilter>(this TFilter filter, out FilterTag tag)
where TFilter : IBaseFilter
{
tag = new EmptyTag();
tag.AddInput(filter);
return(filter);
}
public static FilterTag Append(this FilterTag tag, FilterTag newTag)
{
if (tag != null && newTag != null)
{
newTag.AddInputLabel(tag);
}
return(newTag ?? tag);
}
public static bool IsNullOrEmpty(this FilterTag tag)
{
return(tag == null || tag.IsEmpty());
}
public bool ConnectedTo(FilterTag tag)
{
return((m_Index < tag.m_Index)
? tag.HasAncestor(this)
: HasAncestor(tag));
}
public bool HasAncestor(FilterTag ancestor)
{
return((this == ancestor) ||
(m_Index > ancestor.m_Index &&
m_InputTags.Any(t => t.HasAncestor(ancestor))));
}
public void AddInputLabel(FilterTag tag)
{
m_InputTags.Add(tag);
}
public static TFilter Tagged <TFilter>(this TFilter filter, FilterTag tag)
where TFilter : IBaseFilter
{
filter.AddTag(tag);
return(filter);
}
public void AddTag(FilterTag newTag)
{
Tag = Tag.Append(newTag);
}
