author Jonas Sicking <>
Wed, 25 Feb 2009 00:20:25 -0800
changeset 23418 4933de6ea0749db930033fcb66d7607a76ee01a7
parent 19026 89f146305b76720cc3e982b762a12d29020cba1f
permissions -rw-r--r--
Backed out changeset 223c4d40bb76 (bug 479521)

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 * 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
 * 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 code.
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * ***** END LICENSE BLOCK ***** */

#ifndef nsJSUtils_h__
#define nsJSUtils_h__

 * This is not a generated file. It contains common utility functions 
 * invoked from the JavaScript code generated from IDL interfaces.
 * The goal of the utility functions is to cut down on the size of
 * the generated code itself.

#include "nsISupports.h"
#include "jsapi.h"
#include "nsString.h"

class nsIDOMEventListener;
class nsIScriptContext;
class nsIScriptGlobalObject;
class nsIPrincipal;

class nsJSUtils
  static JSBool GetCallingLocation(JSContext* aContext, const char* *aFilename,
                                   PRUint32* aLineno, nsIPrincipal* aPrincipal);

  static nsIScriptGlobalObject *GetStaticScriptGlobal(JSContext* aContext,
                                                      JSObject* aObj);

  static nsIScriptContext *GetStaticScriptContext(JSContext* aContext,
                                                  JSObject* aObj);

  static nsIScriptGlobalObject *GetDynamicScriptGlobal(JSContext *aContext);

  static nsIScriptContext *GetDynamicScriptContext(JSContext *aContext);

class nsDependentJSString : public nsDependentString
  explicit nsDependentJSString(jsval v)
    : nsDependentString((PRUnichar *)::JS_GetStringChars(JSVAL_TO_STRING(v)),

  explicit nsDependentJSString(JSString *str)
    : nsDependentString((PRUnichar *)::JS_GetStringChars(str), ::JS_GetStringLength(str))


#endif /* nsJSUtils_h__ */