Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
       5             :  * You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "ChromeWorkerScope.h"
       8             : 
       9             : #include "jsapi.h"
      10             : 
      11             : #include "nsXPCOM.h"
      12             : #include "nsNativeCharsetUtils.h"
      13             : #include "nsString.h"
      14             : 
      15             : #include "WorkerPrivate.h"
      16             : 
      17             : using namespace mozilla::dom;
      18             : USING_WORKERS_NAMESPACE
      19             : 
      20             : namespace {
      21             : 
      22             : #ifdef BUILD_CTYPES
      23             : 
      24             : char*
      25           0 : UnicodeToNative(JSContext* aCx, const char16_t* aSource, size_t aSourceLen)
      26             : {
      27           0 :   nsDependentString unicode(aSource, aSourceLen);
      28             : 
      29           0 :   nsAutoCString native;
      30           0 :   if (NS_FAILED(NS_CopyUnicodeToNative(unicode, native))) {
      31           0 :     JS_ReportErrorASCII(aCx, "Could not convert string to native charset!");
      32           0 :     return nullptr;
      33             :   }
      34             : 
      35           0 :   char* result = static_cast<char*>(JS_malloc(aCx, native.Length() + 1));
      36           0 :   if (!result) {
      37           0 :     return nullptr;
      38             :   }
      39             : 
      40           0 :   memcpy(result, native.get(), native.Length());
      41           0 :   result[native.Length()] = 0;
      42           0 :   return result;
      43             : }
      44             : 
      45             : #endif // BUILD_CTYPES
      46             : 
      47             : } // namespace
      48             : 
      49             : BEGIN_WORKERS_NAMESPACE
      50             : 
      51             : bool
      52           1 : DefineChromeWorkerFunctions(JSContext* aCx, JS::Handle<JSObject*> aGlobal)
      53             : {
      54             :   // Currently ctypes is the only special property given to ChromeWorkers.
      55             : #ifdef BUILD_CTYPES
      56             :   {
      57           2 :     JS::Rooted<JS::Value> ctypes(aCx);
      58           4 :     if (!JS_InitCTypesClass(aCx, aGlobal) ||
      59           4 :         !JS_GetProperty(aCx, aGlobal, "ctypes", &ctypes)) {
      60           0 :       return false;
      61             :     }
      62             : 
      63             :     static const JSCTypesCallbacks callbacks = {
      64             :       UnicodeToNative
      65             :     };
      66             : 
      67           1 :     JS_SetCTypesCallbacks(ctypes.toObjectOrNull(), &callbacks);
      68             :   }
      69             : #endif // BUILD_CTYPES
      70             : 
      71           1 :   return true;
      72             : }
      73             : 
      74             : END_WORKERS_NAMESPACE