Issue 6064 - Put C++ code into a configurable namespace

compiled/subscription/UserDefinedSubscription.cpp

 /*
  * 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/>.
  */
 
 #include <cstdlib>
 
 #include "UserDefinedSubscription.h"
 #include "../FilterNotifier.h"
 
+ABP_NS_USING
+
 namespace
 {
   enum FilterCategory
   {
     NONE = 0,
     WHITELIST = 1,
     BLOCKING = 2,
     ELEMHIDE = 4,
   };
 
@@ skipping 76 matching lines @@
     if (mDefaults & FilterCategory::BLOCKING)
       result.append(u" blocking"_str);
     if (mDefaults & FilterCategory::WHITELIST)
       result.append(u" whitelist"_str);
     if (mDefaults & FilterCategory::ELEMHIDE)
       result.append(u" elemhide"_str);
     result.append(u'\n');
   }
   return result;
 }