apewer-dotnet/Apewer/Externals/Newtonsoft.Json-11.0.1/Linq/JRaw.Async.cs

#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

#if HAVE_ASYNC

using System.Globalization;
using System.IO;
using System.Threading;
using System.Threading.Tasks;

namespace Newtonsoft.Json.Linq
{
    internal partial class JRaw
    {
        /// <summary>
        /// Asynchronously creates an instance of <see cref="JRaw"/> with the content of the reader's current token.
        /// </summary>
        /// <param name="reader">The reader.</param>
        /// <param name="cancellationToken">The token to monitor for cancellation requests. The default value is <see cref="CancellationToken.None"/>.</param>
        /// <returns>A <see cref="Task{TResult}"/> representing the asynchronous creation. The <see cref="Task{TResult}.Result"/>
        /// property returns an instance of <see cref="JRaw"/> with the content of the reader's current token.</returns>
        public static async Task<JRaw> CreateAsync(JsonReader reader, CancellationToken cancellationToken = default(CancellationToken))
        {
            using (StringWriter sw = new StringWriter(CultureInfo.InvariantCulture))
            using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
            {
                await jsonWriter.WriteTokenSyncReadingAsync(reader, cancellationToken).ConfigureAwait(false);

                return new JRaw(sw.ToString());
            }
        }
    }
}

#endif