Adblock Plus Crawler rewrite

lib/commandLine.js

Index: lib/commandLine.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/lib/commandLine.js
@@ -0,0 +1,59 @@
+/*
+ * This Source Code is subject to the terms of the Mozilla Public License
+ * version 2.0 (the "License"). You can obtain a copy of the License at
+ * http://mozilla.org/MPL/2.0/.
+ */
+
+/**
+ * @module commandLine
+ */
+
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+let CommandLineHandler =
+{
+  // Starting the entry with "k" makes it have slightly higher priority than default command line handlers.
+  classDescription: "k-abpcrawler",
+  contractID: "@adblockplus.org/abpcrawler/cmdline;1",
+  classID: Components.ID("{973636c2-e842-11e4-b02c-1681e6b88ec1}"),
+  xpcom_categories: ["command-line-handler"],
+
+  init: function()
+  {
+    let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+    registrar.registerFactory(this.classID, this.classDescription, this.contractID, this);
+
+    let catMan = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager);
+    for (let category of this.xpcom_categories)
+      catMan.addCategoryEntry(category, this.classDescription, this.contractID, false, true);
+
+    onShutdown.add((function()

[Sebastian Noack, 2015/05/07 12:33:04]

Nit: I'd rather use an arrow function instead (function() {}).bind(this)

+    {
+      for (let category of this.xpcom_categories)
+        catMan.deleteCategoryEntry(category, this.classDescription, false);
+
+      registrar.unregisterFactory(this.classID, this);
+    }).bind(this));
+  },
+
+  createInstance: function(outer, iid)
+  {
+    if (outer)
+      throw Cr.NS_ERROR_NO_AGGREGATION;
+    return this.QueryInterface(iid);
+  },
+
+  helpInfo: "  -crawler-port      Port that ABP Crawler should communicate to\n",
+
+  handle: function(cmdline)
+  {
+    let port = cmdline.handleFlagWithParam("crawler-port", false);
+    if (port != null)
+      require("main").startup(parseInt(port));
+  },
+
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsICommandLineHandler, Ci.nsIFactory])
+};
+
+CommandLineHandler.init();