Issue 3363 - Implement IsDocumentWhitelisted and IsElemhideWhitelisted

src/FilterEngine.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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
@@ skipping 310 matching lines @@
       return match;
     lastDocumentUrl = documentUrl;
   }
 
   return CheckFilterMatch(url, contentType, lastDocumentUrl);
 }
 
 bool FilterEngine::IsDocumentWhitelisted(const std::string& url,
     const std::vector<std::string>& documentUrls) const
 {
-    return GetWhitelistingFilter(url, CONTENT_TYPE_DOCUMENT, documentUrls) != 0;
+    return !!GetWhitelistingFilter(url, CONTENT_TYPE_DOCUMENT, documentUrls);
 }
 
 bool FilterEngine::IsElemhideWhitelisted(const std::string& url,
     const std::vector<std::string>& documentUrls) const
 {
-    return GetWhitelistingFilter(url, CONTENT_TYPE_ELEMHIDE, documentUrls) != 0;
+    return !!GetWhitelistingFilter(url, CONTENT_TYPE_ELEMHIDE, documentUrls);
 }
 
 AdblockPlus::FilterPtr FilterEngine::CheckFilterMatch(const std::string& url,
     ContentType contentType,
     const std::string& documentUrl) const
 {
   JsValuePtr func = jsEngine->Evaluate("API.checkFilterMatch");
   JsValueList params;
   params.push_back(jsEngine->NewValue(url));
   params.push_back(jsEngine->NewValue(ContentTypeToString(contentType)));
@@ skipping 156 matching lines @@
                          currentUrl, contentType, parentUrl);
     if (filter)
     {
       return filter;
     }
     currentUrl = parentUrl;
   }
   while (urlIterator != documentUrls.end());
   return FilterPtr();
 }