Make JsEngine::Evaluate() return a wrapper for v8::Value to accessdifferent variable types easily

lib/api.js

Index: lib/api.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/lib/api.js
@@ -0,0 +1,131 @@
+/*
+ * This file is part of the Adblock Plus extension,
+ * Copyright (C) 2006-2012 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/>.
+ */
+
+var API = (function()
+{
+  var Filter = require("filterClasses").Filter;
+  var Subscription = require("subscriptionClasses").Subscription;
+  var SpecialSubscription = require("subscriptionClasses").SpecialSubscription;
+  var FilterStorage = require("filterStorage").FilterStorage;
+  var defaultMatcher = require("matcher").defaultMatcher;
+  var ElemHide = require("elemHide").ElemHide;
+  var Synchronizer = require("synchronizer").Synchronizer;
+
+  return {
+    getFilterFromText: function(text)
+    {
+      text = Filter.normalize(text);
+      if (!text)
+        throw "Attempted to create a filter from empty text";
+      return Filter.fromText(text);
+    },
+
+    isListedFilter: function(filter)
+    {
+      return filter.subscriptions.some(function(s)
+      {
+        return (s instanceof SpecialSubscription && !s.disabled);
+      });
+    },
+
+    addFilterToList: function(filter)
+    {
+      FilterStorage.addFilter(filter);
+    },
+
+    removeFilterFromList: function(filter)
+    {
+      FilterStorage.removeFilter(filter);
+    },
+
+    getListedFilters: function()
+    {
+      var filters = {};
+      for (var i = 0; i < FilterStorage.subscriptions.length; i++)
+      {
+        var subscription = FilterStorage.subscriptions[i];
+        if (subscription instanceof SpecialSubscription)
+        {
+          for (var j = 0; j < subscription.filters.length; j++)
+          {
+            var filter = subscription.filters[j];
+            if (!(filter.text in filters))
+              filters[filter.text] = filter;
+          }
+        }
+      }
+      return Object.keys(filters).map(function(k)
+      {
+        return filters[k];
+      });
+    },
+
+    getSubscriptionFromUrl: function(url)
+    {
+      return Subscription.fromURL(url);
+    },
+
+    isListedSubscription: function(subscription)
+    {
+      return subscription.url in FilterStorage.knownSubscriptions;
+    },
+
+    addSubscriptionToList: function(subscription)
+    {
+      FilterStorage.addSubscription(subscription);
+
+      // TODO, this currently crashes due to errors reported on a thread
+      //if (!subscription.lastDownload)
+      //  Synchronizer.execute(subscription);
+    },
+
+    removeSubscriptionFromList: function(subscription)
+    {
+      FilterStorage.removeSubscription(subscription);
+    },
+
+    updateSubscription: function(subscription)
+    {
+      Synchronizer.execute(subscription);
+    },
+
+    isSubscriptionUpdating: function(subscription)
+    {
+      return Synchronizer.isExecuting(subscription.url);
+    },
+
+    getListedSubscriptions: function()
+    {
+      return FilterStorage.subscriptions.filter(function(s)
+      {
+        return !(s instanceof SpecialSubscription)
+      });
+    },
+
+    checkFilterMatch: function(url, contentType, documentUrl)
+    {
+      // TODO: set thirdParty properly
+      var thirdParty = false;
+      return defaultMatcher.matchesAny(url, contentType, documentUrl, thirdParty);
+    },
+
+    getElementHidingSelectors: function(domain)
+    {
+      return ElemHide.getSelectorsForDomain(domain, false);
+    }
+  };
+})();