Commandline handler for '-jsconsole' argument; calling mozilla with -jsconsole now brings up the javascript console (only).

Handler, idea and all clues courtesy Martijn Pieters <mj@digicool.com>

xpfe/components/console/Makefile.in

@@ -30,3 +30,7 @@ include $(DEPTH)/config/autoconf.mk
 DIRS		= resources
 
 include $(topsrcdir)/config/rules.mk
+
+install::
+	$(INSTALL) $(srcdir)/jsconsole-clhandler.js $(DIST)/bin/components
+

xpfe/components/console/jsconsole-clhandler.js

@@ -0,0 +1,114 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is mozilla.org code.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1999 Netscape Communications Corporation.  All
+ * Rights Reserved.
+ * 
+ * Contributor(s): Martijn Pieters <mj@digicool.com>
+ */
+
+/*
+ * -jsconsole commandline handler; starts up the JavaScript console.
+ */
+
+/*
+ * Constants
+ */
+
+const JSCONSOLEHANDLER_PROGID =
+    "component://netscape/commandlinehandler/general-startup-jsconsole";
+
+const JSCONSOLEHANDLER_CID = 
+    Components.ID('{1698ef18-c128-41a1-b4d0-7f9acd2ae86c}');
+
+/*
+ * Classes
+ */
+
+/* jsConsoleHandler class constructor */
+function jsConsoleHandler() {}
+
+/* jsConsoleHandler class def */
+jsConsoleHandler.prototype = {
+    commandLineArgument: '-jsconsole',
+    prefNameForStartup: 'general.startup.jsconsole',
+    chromeUrlForTask: 'chrome://global/content/console.xul',
+    helpText: 'Start with Javascript Console',
+    handlesArgs: false,
+    defaultArgs: null,
+    openWindowWithArgs: false
+};
+
+/*
+ * Objects
+ */
+
+/* jsConsoleHandler Module (for XPCOM registration) */
+var jsConsoleHandlerModule = {
+    registerSelf: function(compMgr, fileSpec, location, type) {
+        compMgr.registerComponentWithType(JSCONSOLEHANDLER_CID, 
+            'JS Console Commandline Handler component',
+            JSCONSOLEHANDLER_PROGID, fileSpec,
+            location, true, true, type);
+        var catman = Components.classes["mozilla.categorymanager.1"]
+            .getService(Components.interfaces.nsICategoryManager);
+        catman.addCategoryEntry("command-line-argument-handlers",
+            JSCONSOLEHANDLER_PROGID, "jsconsole command line handler",
+            true, true);
+    },
+
+    unregisterSelf: function(compMgr, fileSpec, location) {
+        compMgr.unregisterComponentSpec(JSCONSOLEHANDLER_CID, fileSpec);
+        var catman = Components.classes["mozilla.categorymanager.1"]
+            .getService(Components.interfaces.nsICategoryManager);
+        catman.deleteCategoryEntry("command-line-argument-handlers",
+            JSCONSOLEHANDLER_PROGID, true);
+    },
+
+    getClassObject: function(compMgr, cid, iid) {
+        if (!cid.equals(JSCONSOLEHANDLER_CID))
+            throw Components.results.NS_ERROR_NO_INTERFACE;
+
+        if (!iid.equals(Components.interfaces.nsIFactory))
+            throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
+
+        return jsConsoleHandlerFactory;
+    },
+
+    canUnload: function(compMgr) { return true; }
+};
+
+/* jsConsoleHandler Class Factory */
+var jsConsoleHandlerFactory = {
+    CreateInstance: function(outer, iid) {
+        if (outer != null)
+            throw Components.results.NS_ERROR_NO_AGGREGATION;
+    
+        if (!iid.equals(Components.interfaces.nsICmdLineHandler) &&
+            !iid.equals(Components.interfaces.nsISupports))
+            throw Components.results.NS_ERROR_INVALID_ARG;
+
+        return new jsConsoleHandler();
+    }
+}
+
+/*
+ * Functions
+ */
+
+/* module initialisation */
+function NSGetModule(comMgr, fileSpec) { return jsConsoleHandlerModule; }
+
+// vim:sw=4:sr:sta:et:sts:

xpfe/components/console/makefile.win

@@ -28,3 +28,6 @@ include <$(DEPTH)/config/config.mak>
 DIRS          = resources
 
 include <$(DEPTH)\config\rules.mak>
+
+install:: jsconsole-clhandler.js
+	!@$(MAKE_INSTALL) $** $(DIST)\bin\components