mirror of
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81 lines
2.2 KiB
C++
81 lines
2.2 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/ToJSValue.h"
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#include "mozilla/dom/DOMException.h"
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#include "mozilla/dom/Exceptions.h"
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#ifdef SPIDERMONKEY_PROMISE
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#include "mozilla/dom/Promise.h"
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#endif // SPIDERMONKEY_PROMISE
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#include "nsAString.h"
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#include "nsContentUtils.h"
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#include "nsStringBuffer.h"
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#include "xpcpublic.h"
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namespace mozilla {
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namespace dom {
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bool
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ToJSValue(JSContext* aCx, const nsAString& aArgument,
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JS::MutableHandle<JS::Value> aValue)
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{
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// Make sure we're called in a compartment
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MOZ_ASSERT(JS::CurrentGlobalOrNull(aCx));
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// XXXkhuey I'd love to use xpc::NonVoidStringToJsval here, but it requires
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// a non-const nsAString for silly reasons.
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nsStringBuffer* sharedBuffer;
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if (!XPCStringConvert::ReadableToJSVal(aCx, aArgument, &sharedBuffer,
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aValue)) {
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return false;
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}
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if (sharedBuffer) {
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NS_ADDREF(sharedBuffer);
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}
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return true;
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}
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bool
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ToJSValue(JSContext* aCx,
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nsresult aArgument,
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JS::MutableHandle<JS::Value> aValue)
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{
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RefPtr<Exception> exception = CreateException(aCx, aArgument);
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return ToJSValue(aCx, exception, aValue);
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}
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bool
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ToJSValue(JSContext* aCx,
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ErrorResult& aArgument,
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JS::MutableHandle<JS::Value> aValue)
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{
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MOZ_ASSERT(aArgument.Failed());
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MOZ_ASSERT(!aArgument.IsUncatchableException(),
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"Doesn't make sense to convert uncatchable exception to a JS value!");
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DebugOnly<bool> throwResult = aArgument.MaybeSetPendingException(aCx);
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MOZ_ASSERT(throwResult);
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DebugOnly<bool> getPendingResult = JS_GetPendingException(aCx, aValue);
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MOZ_ASSERT(getPendingResult);
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JS_ClearPendingException(aCx);
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return true;
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}
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#ifdef SPIDERMONKEY_PROMISE
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bool
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ToJSValue(JSContext* aCx, Promise& aArgument,
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JS::MutableHandle<JS::Value> aValue)
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{
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aValue.setObject(*aArgument.PromiseObj());
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return true;
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}
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#endif // SPIDERMONKEY_PROMISE
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} // namespace dom
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} // namespace mozilla
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