/* -*- 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 "mozilla/dom/ToJSValue.h"

#include "mozilla/dom/DOMException.h"

#include "mozilla/dom/Exceptions.h"

#include "mozilla/dom/Promise.h"

#include "nsAString.h"

#include "nsContentUtils.h"

#include "nsStringBuffer.h"

#include "xpcpublic.h"

namespace mozilla {

namespace dom {

bool

ToJSValue(JSContext* aCx, const nsAString& aArgument,

          JS::MutableHandle<JS::Value> aValue)

{

  // Make sure we're called in a compartment

  MOZ_ASSERT(JS::CurrentGlobalOrNull(aCx));

// XXXkhuey I'd love to use xpc::NonVoidStringToJsval here, but it requires

  // a non-const nsAString for silly reasons.

  nsStringBuffer* sharedBuffer;

  if (!XPCStringConvert::ReadableToJSVal(aCx, aArgument, &sharedBuffer,

                                         aValue)) {

    return false;

  }

  if (sharedBuffer) {

    NS_ADDREF(sharedBuffer);

  }

  return true;

}

bool

ToJSValue(JSContext* aCx,

          nsresult aArgument,

          JS::MutableHandle<JS::Value> aValue)

{

  RefPtr<Exception> exception = CreateException(aArgument);

  return ToJSValue(aCx, exception, aValue);

}

bool

ToJSValue(JSContext* aCx,

          ErrorResult& aArgument,

          JS::MutableHandle<JS::Value> aValue)

{

  MOZ_ASSERT(aArgument.Failed());

  MOZ_ASSERT(!aArgument.IsUncatchableException(),

             "Doesn't make sense to convert uncatchable exception to a JS value!");

  MOZ_ALWAYS_TRUE(aArgument.MaybeSetPendingException(aCx));

  MOZ_ALWAYS_TRUE(JS_GetPendingException(aCx, aValue));

  JS_ClearPendingException(aCx);

  return true;

}

bool

ToJSValue(JSContext* aCx, Promise& aArgument,

          JS::MutableHandle<JS::Value> aValue)

{

  aValue.setObject(*aArgument.PromiseObj());

  return MaybeWrapObjectValue(aCx, aValue);

}

} // namespace dom

} // namespace mozilla