dom/simpledb/SDBResults.cpp
author Jan Varga <jan.varga@gmail.com>
Wed, 15 May 2019 06:11:11 +0200
changeset 2008607 2f6ae2152532743a874910d9dc3eccb49aced9ca
parent 1999336 32b8f9006e8516679ca63880b1e029d42e1839d2
permissions -rw-r--r--
Bug 1546723 - Part 5: Generalize code for getting datastores; r=asuth Differential Revision: https://phabricator.services.mozilla.com/D31200

/* -*- 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 "SDBResults.h"

#include "nsContentUtils.h"

namespace mozilla {
namespace dom {

SDBResult::SDBResult(const nsACString& aData) : mData(aData) {}

NS_IMPL_ISUPPORTS(SDBResult, nsISDBResult)

NS_IMETHODIMP
SDBResult::GetAsArray(nsTArray<uint8_t>& aData) {
  uint32_t length = mData.Length();
  aData.SetLength(length);

  if (length != 0) {
    memcpy(aData.Elements(), mData.BeginReading(), length * sizeof(uint8_t));
  }

  return NS_OK;
}

NS_IMETHODIMP
SDBResult::GetAsArrayBuffer(JSContext* aCx, JS::MutableHandleValue _retval) {
  JS::Rooted<JSObject*> arrayBuffer(aCx);
  nsresult rv =
      nsContentUtils::CreateArrayBuffer(aCx, mData, arrayBuffer.address());
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  _retval.setObject(*arrayBuffer);
  return NS_OK;
}

}  // namespace dom
}  // namespace mozilla