SSL ChromeWorkerScope.cpp Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "ChromeWorkerScope.h"

#include "jsapi.h"
#include "js/PropertyAndElement.h"  // JS_GetProperty
#include "js/experimental/CTypes.h"  // JS::InitCTypesClass, JS::CTypesCallbacks, JS::SetCTypesCallbacks
#include "js/MemoryFunctions.h"

#include "nsNativeCharsetUtils.h"
#include "nsString.h"

namespace mozilla::dom {

namespace {

#ifdef BUILD_CTYPES

char* UnicodeToNative(JSContext* aCx, const char16_t* aSource,
                      size_t aSourceLen) {
  nsDependentSubstring unicode(aSource, aSourceLen);

  nsAutoCString native;
  if (NS_FAILED(NS_CopyUnicodeToNative(unicode, native))) {
    JS_ReportErrorASCII(aCx, "Could not convert string to native charset!");
    return nullptr;
  }

  char* result = static_cast<char*>(JS_malloc(aCx, native.Length() + 1));
  if (!result) {
    return nullptr;
  }

  memcpy(result, native.get(), native.Length());
  result[native.Length()] = 0;
  return result;
}

#endif  // BUILD_CTYPES

}  // namespace

bool DefineChromeWorkerFunctions(JSContext* aCx,
                                 JS::Handle<JSObject*> aGlobal) {
  // Currently ctypes is the only special property given to ChromeWorkers.
#ifdef BUILD_CTYPES
  {
    JS::Rooted<JS::Value> ctypes(aCx);
    if (!JS::InitCTypesClass(aCx, aGlobal) ||
        !JS_GetProperty(aCx, aGlobal, "ctypes", &ctypes)) {
      return false;
    }

    static const JS::CTypesCallbacks callbacks = {UnicodeToNative};

    JS::SetCTypesCallbacks(ctypes.toObjectOrNull(), &callbacks);
  }
#endif  // BUILD_CTYPES

  return true;
}

}  // namespace mozilla::dom

quality100%

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.