Use std::array for serializing UIDs

These are easily assignable and we have to convert between char
pointers, char arrays and UID objects all the time anyways.

src/common/serialization/vst3/base.h

@@ -0,0 +1,36 @@
+// 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/>.
+
+#pragma once
+
+#include <array>
+
+#include <pluginterfaces/base/ftypes.h>
+#include <pluginterfaces/base/funknown.h>
+
+// Yet Another layer of includes, but these are some VST3-specific typedefs that
+// we'll need for all of our interfaces
+
+using Steinberg::TBool, Steinberg::int8, Steinberg::int32, Steinberg::tresult;
+
+/**
+ * Both `TUID` (`int8_t[16]`) and `FIDString` (`char*`) are hard to work with
+ * because you can't just copy them. So when serializing/deserializing them
+ * we'll use `std::array`.
+ */
+using ArrayUID = std::array<
+    std::remove_reference_t<decltype(std::declval<Steinberg::TUID>()[0])>,
+    std::extent_v<Steinberg::TUID>>;