Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/uidescription/uidescriptionaddonregistry.cpp

@@ -0,0 +1,70 @@
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#include "uidescriptionaddonregistry.h"
+
+//------------------------------------------------------------------------
+namespace VSTGUI {
+
+//------------------------------------------------------------------------
+struct UIDescriptionAddOnRegistry::Impl
+{
+	AddOnID counter {0};
+	using AddOns = std::vector<AddOn>;
+	AddOns addOns;
+
+	AddOnID addInternal (std::unique_ptr<IUIDescriptionAddOn>&& addOn);
+	void removeInternal (AddOnID identifier);
+};
+
+//------------------------------------------------------------------------
+auto UIDescriptionAddOnRegistry::Impl::addInternal (std::unique_ptr<IUIDescriptionAddOn>&& addOn)
+	-> AddOnID
+{
+	AddOnID result = ++counter;
+	addOns.push_back ({result, std::move (addOn)});
+	return result;
+}
+
+//------------------------------------------------------------------------
+void UIDescriptionAddOnRegistry::Impl::removeInternal (AddOnID identifier)
+{
+	auto it = std::find_if (addOns.begin (), addOns.end (),
+							[&] (const auto& el) { return el.identifier == identifier; });
+	if (it != addOns.end ())
+		addOns.erase (it);
+}
+
+//------------------------------------------------------------------------
+UIDescriptionAddOnRegistry::UIDescriptionAddOnRegistry () { impl = std::make_unique<Impl> (); }
+
+//------------------------------------------------------------------------
+UIDescriptionAddOnRegistry::~UIDescriptionAddOnRegistry () noexcept = default;
+
+//------------------------------------------------------------------------
+auto UIDescriptionAddOnRegistry::begin () -> iterator { return impl->addOns.begin (); }
+
+//------------------------------------------------------------------------
+auto UIDescriptionAddOnRegistry::end () -> iterator { return impl->addOns.end (); }
+
+//------------------------------------------------------------------------
+auto UIDescriptionAddOnRegistry::add (std::unique_ptr<IUIDescriptionAddOn>&& addOn) -> AddOnID
+{
+	return instance ().impl->addInternal (std::move (addOn));
+}
+
+//------------------------------------------------------------------------
+void UIDescriptionAddOnRegistry::remove (AddOnID identifier)
+{
+	instance ().impl->removeInternal (identifier);
+}
+
+//------------------------------------------------------------------------
+auto UIDescriptionAddOnRegistry::instance () -> UIDescriptionAddOnRegistry&
+{
+	static UIDescriptionAddOnRegistry obj;
+	return obj;
+}
+
+//------------------------------------------------------------------------
+} // VSTGUI