Add the base for an IComponent implementation

src/common/serialization/vst3/component.cpp

@@ -0,0 +1,51 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020  Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "component.h"
+
+YaComponent::YaComponent(){FUNKNOWN_CTOR}
+
+YaComponent::YaComponent(
+    Steinberg::IPtr<Steinberg::Vst::IComponent> component) {
+    FUNKNOWN_CTOR
+
+    // `IComponent::getControllerClassId`
+    component->getControllerClassId(edit_controller_cid);
+
+    // Everything else is handled directly through callbacks to minimize the
+    // potential for errors
+}
+
+YaComponent::~YaComponent() {
+    FUNKNOWN_DTOR
+}
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdelete-non-virtual-dtor"
+IMPLEMENT_REFCOUNT(YaComponent)
+#pragma GCC diagnostic pop
+
+tresult PLUGIN_API YaComponent::queryInterface(Steinberg::FIDString _iid,
+                                               void** obj) {
+    QUERY_INTERFACE(_iid, obj, Steinberg::FUnknown::iid, Steinberg::IPluginBase)
+    QUERY_INTERFACE(_iid, obj, Steinberg::IPluginBase::iid,
+                    Steinberg::IPluginBase)
+    QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IComponent::iid,
+                    Steinberg::Vst::IComponent)
+
+    *obj = nullptr;
+    return Steinberg::kNoInterface;
+}