SMAPI/ModLoader/Newtonsoft.Json/Linq/JProperty.Async.cs

119 lines
5.8 KiB
C#

#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.Threading;
using System.Threading.Tasks;
using Newtonsoft.Json.Utilities;
namespace Newtonsoft.Json.Linq
{
public partial class JProperty
{
/// <summary>
/// Writes this token to a <see cref="JsonWriter"/> asynchronously.
/// </summary>
/// <param name="writer">A <see cref="JsonWriter"/> into which this method will write.</param>
/// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
/// <param name="converters">A collection of <see cref="JsonConverter"/> which will be used when writing the token.</param>
/// <returns>A <see cref="Task"/> that represents the asynchronous write operation.</returns>
public override Task WriteToAsync(JsonWriter writer, CancellationToken cancellationToken, params JsonConverter[] converters)
{
Task task = writer.WritePropertyNameAsync(_name, cancellationToken);
if (task.IsCompletedSucessfully())
{
return WriteValueAsync(writer, cancellationToken, converters);
}
return WriteToAsync(task, writer, cancellationToken, converters);
}
private async Task WriteToAsync(Task task, JsonWriter writer, CancellationToken cancellationToken, params JsonConverter[] converters)
{
await task.ConfigureAwait(false);
await WriteValueAsync(writer, cancellationToken, converters).ConfigureAwait(false);
}
private Task WriteValueAsync(JsonWriter writer, CancellationToken cancellationToken, JsonConverter[] converters)
{
JToken value = Value;
return value != null
? value.WriteToAsync(writer, cancellationToken, converters)
: writer.WriteNullAsync(cancellationToken);
}
/// <summary>
/// Asynchronously loads a <see cref="JProperty"/> from a <see cref="JsonReader"/>.
/// </summary>
/// <param name="reader">A <see cref="JsonReader"/> that will be read for the content of the <see cref="JProperty"/>.</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 a <see cref="JProperty"/> that contains the JSON that was read from the specified <see cref="JsonReader"/>.</returns>
public new static Task<JProperty> LoadAsync(JsonReader reader, CancellationToken cancellationToken = default)
{
return LoadAsync(reader, null, cancellationToken);
}
/// <summary>
/// Asynchronously loads a <see cref="JProperty"/> from a <see cref="JsonReader"/>.
/// </summary>
/// <param name="reader">A <see cref="JsonReader"/> that will be read for the content of the <see cref="JProperty"/>.</param>
/// <param name="settings">The <see cref="JsonLoadSettings"/> used to load the JSON.
/// If this is <c>null</c>, default load settings will be used.</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 a <see cref="JProperty"/> that contains the JSON that was read from the specified <see cref="JsonReader"/>.</returns>
public new static async Task<JProperty> LoadAsync(JsonReader reader, JsonLoadSettings settings, CancellationToken cancellationToken = default)
{
if (reader.TokenType == JsonToken.None)
{
if (!await reader.ReadAsync(cancellationToken).ConfigureAwait(false))
{
throw JsonReaderException.Create(reader, "Error reading JProperty from JsonReader.");
}
}
await reader.MoveToContentAsync(cancellationToken).ConfigureAwait(false);
if (reader.TokenType != JsonToken.PropertyName)
{
throw JsonReaderException.Create(reader, "Error reading JProperty from JsonReader. Current JsonReader item is not a property: {0}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType));
}
JProperty p = new JProperty((string)reader.Value);
p.SetLineInfo(reader as IJsonLineInfo, settings);
await p.ReadTokenFromAsync(reader, settings, cancellationToken).ConfigureAwait(false);
return p;
}
}
}
#endif