LibCore: Add CObject::for_each_child(callback).

deoxxa · May 27, 2019 · 906fde8 · 906fde8
1 parent 3654c33
commit 906fde8
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Showing 2 changed files with 13 additions and 3 deletions.
diff --git a/LibCore/CObject.cpp b/LibCore/CObject.cpp
@@ -100,9 +100,10 @@ void CObject::dump_tree(int indent)
  }
  printf("%s{%p}\n", class_name(), this);
 
- for (auto* child : children()) {
- child->dump_tree(indent + 2);
- }
+ for_each_child([&] (auto& child) {
+ child.dump_tree(indent + 2);
+ return IterationDecision::Continue;
+ });
 }
 
 void CObject::deferred_invoke(Function<void(CObject&)> invokee)

diff --git a/LibCore/CObject.h b/LibCore/CObject.h
@@ -20,6 +20,15 @@ class CObject : public Weakable<CObject> {
  Vector<CObject*>& children() { return m_children; }
  const Vector<CObject*>& children() const { return m_children; }
 
+ template<typename Callback>
+ void for_each_child(Callback callback)
+ {
+ for (auto* child : m_children) {
+ if (callback(*child) == IterationDecision::Abort)
+ return;
+ }
+ }
+
  CObject* parent() { return m_parent; }
  const CObject* parent() const { return m_parent; }