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74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ChromeWorkerScope.h"
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#include "jsapi.h"
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#include "nsXPCOM.h"
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#include "nsNativeCharsetUtils.h"
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#include "nsString.h"
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#include "WorkerPrivate.h"
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using namespace mozilla::dom;
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USING_WORKERS_NAMESPACE
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namespace {
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#ifdef BUILD_CTYPES
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char*
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UnicodeToNative(JSContext* aCx, const jschar* aSource, size_t aSourceLen)
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{
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nsDependentString unicode(aSource, aSourceLen);
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nsAutoCString native;
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if (NS_FAILED(NS_CopyUnicodeToNative(unicode, native))) {
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JS_ReportError(aCx, "Could not convert string to native charset!");
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return nullptr;
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}
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char* result = static_cast<char*>(JS_malloc(aCx, native.Length() + 1));
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if (!result) {
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return nullptr;
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}
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memcpy(result, native.get(), native.Length());
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result[native.Length()] = 0;
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return result;
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}
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#endif // BUILD_CTYPES
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} // anonymous namespace
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BEGIN_WORKERS_NAMESPACE
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bool
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DefineChromeWorkerFunctions(JSContext* aCx, JS::Handle<JSObject*> aGlobal)
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{
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// Currently ctypes is the only special property given to ChromeWorkers.
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#ifdef BUILD_CTYPES
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{
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JS::Rooted<JS::Value> ctypes(aCx);
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if (!JS_InitCTypesClass(aCx, aGlobal) ||
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!JS_GetProperty(aCx, aGlobal, "ctypes", &ctypes)) {
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return false;
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}
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static JSCTypesCallbacks callbacks = {
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UnicodeToNative
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};
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JS_SetCTypesCallbacks(ctypes.toObjectOrNull(), &callbacks);
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}
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#endif // BUILD_CTYPES
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return true;
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}
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END_WORKERS_NAMESPACE
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