mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
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/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=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 "BluetoothUtils.h"
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#include "jsapi.h"
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#include "nsTArray.h"
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#include "nsString.h"
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#include "mozilla/Scoped.h"
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nsresult
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mozilla::dom::bluetooth::StringArrayToJSArray(JSContext* aCx, JSObject* aGlobal,
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const nsTArray<nsString>& aSourceArray,
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JSObject** aResultArray)
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{
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NS_ASSERTION(aCx, "Null context!");
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NS_ASSERTION(aGlobal, "Null global!");
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JSAutoRequest ar(aCx);
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JSAutoEnterCompartment ac;
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if (!ac.enter(aCx, aGlobal)) {
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NS_WARNING("Failed to enter compartment!");
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return NS_ERROR_FAILURE;
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}
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JSObject* arrayObj;
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if (aSourceArray.IsEmpty()) {
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arrayObj = JS_NewArrayObject(aCx, 0, nullptr);
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} else {
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uint32_t valLength = aSourceArray.Length();
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mozilla::ScopedDeleteArray<jsval> valArray(new jsval[valLength]);
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JS::AutoArrayRooter tvr(aCx, valLength, valArray);
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for (PRUint32 index = 0; index < valLength; index++) {
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JSString* s = JS_NewUCStringCopyN(aCx, aSourceArray[index].BeginReading(),
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aSourceArray[index].Length());
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if(!s) {
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NS_WARNING("Memory allocation error!");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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valArray[index] = STRING_TO_JSVAL(s);
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}
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arrayObj = JS_NewArrayObject(aCx, valLength, valArray);
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}
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if (!arrayObj) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// XXX This is not what Jonas wants. He wants it to be live.
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// Followup at bug 717414
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if (!JS_FreezeObject(aCx, arrayObj)) {
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return NS_ERROR_FAILURE;
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}
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*aResultArray = arrayObj;
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return NS_OK;
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}
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