Issue 4128, 5138 - Add Parser and Serializer implemented in C++

compiled/storage/Serializer.h

+/*
+* This file is part of Adblock Plus <https://adblockplus.org/>,
+* Copyright (C) 2006-present eyeo GmbH
+*
+* Adblock Plus is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 3 as
+* published by the Free Software Foundation.
+*
+* Adblock Plus 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 Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+#include "../bindings/runtime.h"
+#include "../intrusive_ptr.h"
+#include "../String.h"
+
+class Subscription;
+class Serializer : public ref_counted
+{
+  ~Serializer() {}
+public:
+  Serializer();
+  static Serializer* BINDINGS_EXPORTED Create()
+  {
+    return new Serializer();
+  }
+  const String& BINDINGS_EXPORTED GetData() const
+  {
+    return mStream;
+  }
+  void BINDINGS_EXPORTED Serialize(const Subscription& subscription);
+private:
+  OwnedString mStream;
+};