LCOV - code coverage report
Current view: directory - js/xpconnect/src - XPCWrapper.h (source / functions) Found Hit Coverage
Test: app.info Lines: 4 4 100.0 %
Date: 2012-06-02 Functions: 2 2 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim: set ts=2 sw=2 et tw=78: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is mozilla.org code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * The Mozilla Foundation.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 2005
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Johnny Stenback <jst@mozilla.org> (original author)
      25                 :  *   Brendan Eich <brendan@mozilla.org>
      26                 :  *   Boris Zbarsky <bzbarsky@mit.edu>
      27                 :  *   Blake Kaplan <mrbkap@gmail.com>
      28                 :  *
      29                 :  * Alternatively, the contents of this file may be used under the terms of
      30                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      31                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      32                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      33                 :  * of those above. If you wish to allow use of your version of this file only
      34                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      35                 :  * use your version of this file under the terms of the MPL, indicate your
      36                 :  * decision by deleting the provisions above and replace them with the notice
      37                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      38                 :  * the provisions above, a recipient may use your version of this file under
      39                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      40                 :  *
      41                 :  * ***** END LICENSE BLOCK ***** */
      42                 : 
      43                 : #ifndef XPC_WRAPPER_H
      44                 : #define XPC_WRAPPER_H 1
      45                 : 
      46                 : #include "xpcprivate.h"
      47                 : 
      48                 : namespace XPCNativeWrapper {
      49                 : 
      50                 : // Given an XPCWrappedNative pointer and the name of the function on
      51                 : // XPCNativeScriptableFlags corresponding with a flag, returns 'true'
      52                 : // if the flag is set.
      53                 : // XXX Convert to using GetFlags() and not a macro.
      54                 : #define NATIVE_HAS_FLAG(_wn, _flag)                                           \
      55                 :   ((_wn)->GetScriptableInfo() &&                                              \
      56                 :    (_wn)->GetScriptableInfo()->GetFlags()._flag())
      57                 : 
      58                 : bool
      59                 : AttachNewConstructorObject(XPCCallContext &ccx, JSObject *aGlobalObject);
      60                 : 
      61                 : } // namespace XPCNativeWrapper
      62                 : 
      63                 : // This namespace wraps some common functionality between the three existing
      64                 : // wrappers. Its main purpose is to allow XPCCrossOriginWrapper to act both
      65                 : // as an XPCSafeJSObjectWrapper and as an XPCNativeWrapper when required to
      66                 : // do so (the decision is based on the principals of the wrapper and wrapped
      67                 : // objects).
      68                 : namespace XPCWrapper {
      69                 : 
      70                 : /**
      71                 :  * Returns the script security manager used by XPConnect.
      72                 :  */
      73                 : inline nsIScriptSecurityManager *
      74         1662851 : GetSecurityManager()
      75                 : {
      76         1662851 :   return nsXPConnect::gScriptSecurityManager;
      77                 : }
      78                 : 
      79                 : inline JSBool
      80         1195369 : IsSecurityWrapper(JSObject *wrapper)
      81                 : {
      82         1195369 :   return js::IsWrapper(wrapper);
      83                 : }
      84                 : 
      85                 : /**
      86                 :  * Given an arbitrary object, Unwrap will return the wrapped object if the
      87                 :  * passed-in object is a wrapper that Unwrap knows about *and* the
      88                 :  * currently running code has permission to access both the wrapper and
      89                 :  * wrapped object.
      90                 :  *
      91                 :  * Since this is meant to be called from functions like
      92                 :  * XPCWrappedNative::GetWrappedNativeOfJSObject, it does not set an
      93                 :  * exception on |cx|.
      94                 :  */
      95                 : JSObject *
      96                 : Unwrap(JSContext *cx, JSObject *wrapper, bool stopAtOuter = true);
      97                 : 
      98                 : JSObject *
      99                 : UnsafeUnwrapSecurityWrapper(JSObject *obj);
     100                 : 
     101                 : } // namespace XPCWrapper
     102                 : 
     103                 : 
     104                 : #endif

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