Issue 4125 - [emscripten] Convert filter classes to C++

lib/filterClasses.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2015 Eyeo GmbH
+ * Copyright (C) 2006-2016 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/>.
  */
 
 /**
  * @fileOverview Definition of Filter class and its subclasses.
  */
 
 "use strict";
 
 let {FilterNotifier} = require("filterNotifier");
-let {Utils} = require("utils");
 
 /**
  * Abstract base class for filters
  *
  * @param {String} text   string representation of the filter
  * @constructor
  */
 function Filter(text)
 {
   this.text = text;
@@ skipping 606 matching lines @@
       this.sitekeySource = null;
     }
 
     Object.defineProperty(this, "sitekeys", {value: sitekeys, enumerable: true});
     return this.sitekeys;
   },
 
   /**
    * Tests whether the URL matches this filter
    * @param {String} location URL to be tested
-   * @param {String} typeMask bitmask of content / request types to match
+   * @param {number} typeMask bitmask of content / request types to match
    * @param {String} docDomain domain name of the document that loads the URL
    * @param {Boolean} thirdParty should be true if the URL is a third-party request
    * @param {String} sitekey public key provided by the document
    * @return {Boolean} true in case of a match
    */
   matches: function(location, typeMask, docDomain, thirdParty, sitekey)
   {
     if (this.contentType & typeMask &&
         (this.thirdParty == null || this.thirdParty == thirdParty) &&
         this.isActiveOnDomain(docDomain, sitekey) && this.regexp.test(location))
@@ skipping 69 matching lines @@
         thirdParty = true;
       else if (option == "~THIRD_PARTY")
         thirdParty = false;
       else if (option == "COLLAPSE")
         collapse = true;
       else if (option == "~COLLAPSE")
         collapse = false;
       else if (option == "SITEKEY" && typeof value != "undefined")
         sitekeys = value;
       else
-        return new InvalidFilter(origText, "Unknown option " + option.toLowerCase());
+        return new InvalidFilter(origText, "filter_unknown_option");
     }
   }
 
   try
   {
     if (blocking)
       return new BlockingFilter(origText, text, contentType, matchCase, domains, thirdParty, sitekeys, collapse);
     else
       return new WhitelistFilter(origText, text, contentType, matchCase, domains, thirdParty, sitekeys);
   }
   catch (e)
   {
-    return new InvalidFilter(origText, e);
+    return new InvalidFilter(origText, "filter_invalid_regexp");
   }
 };
 
 /**
  * Maps type strings like "SCRIPT" or "OBJECT" to bit masks
  */
 RegExpFilter.typeMap = {
   OTHER: 1,
   SCRIPT: 2,
   IMAGE: 4,
@@ skipping 156 matching lines @@
         rule = rule.substr(1, rule.length - 2);
         let separatorPos = rule.indexOf("=");
         if (separatorPos > 0)
         {
           rule = rule.replace(/=/, '="') + '"';
           additional += "[" + rule + "]";
         }
         else
         {
           if (id)
-            return new InvalidFilter(text, Utils.getString("filter_elemhide_duplicate_id"));
+            return new InvalidFilter(text, "filter_elemhide_duplicate_id");
 
           id = rule;
         }
       }
     }
 
     if (id)
       selector = tagName + "." + id + additional + "," + tagName + "#" + id + additional;
     else if (tagName || additional)
       selector = tagName + additional;
     else
-      return new InvalidFilter(text, Utils.getString("filter_elemhide_nocriteria"));
+      return new InvalidFilter(text, "filter_elemhide_nocriteria");
   }
 
   if (isException)
     return new ElemHideException(text, domain, selector);
 
   let match = Filter.csspropertyRegExp.exec(selector);
   if (match)
   {
     // CSS property filters are inefficient so we need to make sure that
     // they're only applied if they specify active domains
     if (!/,[^~][^,.]*\.[^,]/.test("," + domain))
-      return new InvalidFilter(text, Utils.getString("filter_cssproperty_nodomain"));
+      return new InvalidFilter(text, "filter_cssproperty_nodomain");
 
     return new CSSPropertyFilter(text, domain, selector, match[2],
       selector.substr(0, match.index),
       selector.substr(match.index + match[0].length));
   }
 
   return new ElemHideFilter(text, domain, selector);
 };
 
 /**
@@ skipping 96 matching lines @@
     // several times on Safari, due to WebKit bug 132872
     let prop = Object.getOwnPropertyDescriptor(this, "regexpString");
     if (prop)
       return prop.value;
 
     let regexp = Filter.toRegExp(this.regexpSource);
     Object.defineProperty(this, "regexpString", {value: regexp});
     return regexp;
   }
 };