mirror of
https://github.com/classilla/tenfourfox.git
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93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __NSTARRAYHELPERS_H__
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#define __NSTARRAYHELPERS_H__
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#include "jsapi.h"
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#include "nsContentUtils.h"
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#include "nsTArray.h"
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template <class T>
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inline nsresult
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nsTArrayToJSArray(JSContext* aCx, const nsTArray<T>& aSourceArray,
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JS::MutableHandle<JSObject*> aResultArray)
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{
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MOZ_ASSERT(aCx);
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JS::Rooted<JSObject*> arrayObj(aCx,
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JS_NewArrayObject(aCx, aSourceArray.Length()));
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if (!arrayObj) {
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NS_WARNING("JS_NewArrayObject failed!");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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for (uint32_t index = 0; index < aSourceArray.Length(); index++) {
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nsCOMPtr<nsISupports> obj;
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nsresult rv = aSourceArray[index]->QueryInterface(NS_GET_IID(nsISupports), getter_AddRefs(obj));
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NS_ENSURE_SUCCESS(rv, rv);
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JS::RootedValue wrappedVal(aCx);
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rv = nsContentUtils::WrapNative(aCx, obj, &wrappedVal);
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NS_ENSURE_SUCCESS(rv, rv);
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if (!JS_DefineElement(aCx, arrayObj, index, wrappedVal, JSPROP_ENUMERATE)) {
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NS_WARNING("JS_DefineElement failed!");
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return NS_ERROR_FAILURE;
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}
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}
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if (!JS_FreezeObject(aCx, arrayObj)) {
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NS_WARNING("JS_FreezeObject failed!");
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return NS_ERROR_FAILURE;
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}
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aResultArray.set(arrayObj);
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return NS_OK;
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}
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template <>
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inline nsresult
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nsTArrayToJSArray<nsString>(JSContext* aCx,
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const nsTArray<nsString>& aSourceArray,
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JS::MutableHandle<JSObject*> aResultArray)
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{
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MOZ_ASSERT(aCx);
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JS::Rooted<JSObject*> arrayObj(aCx,
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JS_NewArrayObject(aCx, aSourceArray.Length()));
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if (!arrayObj) {
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NS_WARNING("JS_NewArrayObject failed!");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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JS::Rooted<JSString*> s(aCx);
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for (uint32_t index = 0; index < aSourceArray.Length(); index++) {
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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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if (!JS_DefineElement(aCx, arrayObj, index, s, JSPROP_ENUMERATE)) {
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NS_WARNING("JS_DefineElement failed!");
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return NS_ERROR_FAILURE;
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}
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}
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if (!JS_FreezeObject(aCx, arrayObj)) {
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NS_WARNING("JS_FreezeObject failed!");
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return NS_ERROR_FAILURE;
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}
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aResultArray.set(arrayObj);
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return NS_OK;
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}
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#endif /* __NSTARRAYHELPERS_H__ */
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