Issue 5137 - [emscripten] Added basic filter storage implementation

compiled/bindings/main.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2017 eyeo GmbH
+ * 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.
  *
@@ skipping 110 matching lines @@
         .property("softExpiration", &DownloadableSubscription::GetSoftExpiration, &DownloadableSubscription::SetSoftExpiration)
         .property("lastDownload", &DownloadableSubscription::GetLastDownload, &DownloadableSubscription::SetLastDownload)
         .property("downloadStatus", &DownloadableSubscription::GetDownloadStatus, &DownloadableSubscription::SetDownloadStatus)
         .property("lastSuccess", &DownloadableSubscription::GetLastSuccess, &DownloadableSubscription::SetLastSuccess)
         .property("errors", &DownloadableSubscription::GetErrorCount, &DownloadableSubscription::SetErrorCount)
         .property("version", &DownloadableSubscription::GetDataRevision, &DownloadableSubscription::SetDataRevision)
         .property("requiredVersion", &DownloadableSubscription::GetRequiredVersion, &DownloadableSubscription::SetRequiredVersion)
         .property("downloadCount", &DownloadableSubscription::GetDownloadCount, &DownloadableSubscription::SetDownloadCount)
         .function("serialize", &DownloadableSubscription::Serialize);
 
-    namespace_("FilterStorage")
+    singleton<FilterStorage>("FilterStorage", &FilterStorage::GetInstance)
         .property("subscriptionCount", &FilterStorage::GetSubscriptionCount)
         .function("subscriptionAt", &FilterStorage::SubscriptionAt)
         .function("indexOfSubscription", &FilterStorage::IndexOfSubscription)
         .function("getSubscriptionForFilter", &FilterStorage::GetSubscriptionForFilter)
         .function("addSubscription", &FilterStorage::AddSubscription)
         .function("removeSubscription", &FilterStorage::RemoveSubscription)
         .function("moveSubscription", &FilterStorage::MoveSubscription);
 
     printBindings();
     RegExpFilter::GenerateCustomBindings();
     FilterNotifier::GenerateCustomBindings();
 
     return 0;
   }
   catch (const std::exception& e)
   {
     EM_ASM_ARGS(
       console.error("Error occurred generating JavaScript bindings: " +
           Module.AsciiToString($0)), e.what()
     );
     return 1;
   }
 }