/// <summary> /// Asynchronously creates a <see cref="JToken"/> from a <see cref="JsonReader"/>. /// </summary> /// <param name="reader">An <see cref="JsonReader"/> positioned at the token to read into this <see cref="JToken"/>.</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}"/> that represents the asynchronous creation. The /// <see cref="Task{TResult}.Result"/> property returns a <see cref="JToken"/> that contains /// the token and its descendant tokens /// that were read from the reader. The runtime type of the token is determined /// by the token type of the first token encountered in the reader. /// </returns> public static async Task <JToken> ReadFromAsync(JsonReader reader, JsonLoadSettings settings, CancellationToken cancellationToken = default(CancellationToken)) { ValidationUtils.ArgumentNotNull(reader, nameof(reader)); if (reader.TokenType == JsonToken.None) { if (!await(settings != null && settings.CommentHandling == CommentHandling.Ignore ? reader.ReadAndMoveToContentAsync(cancellationToken) : reader.ReadAsync(cancellationToken)).ConfigureAwait(false)) { throw JsonReaderException.Create(reader, "Error reading JToken from JsonReader."); } } IJsonLineInfo lineInfo = reader as IJsonLineInfo; switch (reader.TokenType) { case JsonToken.StartObject: return(await JObject.LoadAsync(reader, settings, cancellationToken).ConfigureAwait(false)); case JsonToken.StartArray: return(await JArray.LoadAsync(reader, settings, cancellationToken).ConfigureAwait(false)); case JsonToken.StartConstructor: return(await JConstructor.LoadAsync(reader, settings, cancellationToken).ConfigureAwait(false)); case JsonToken.PropertyName: return(await JProperty.LoadAsync(reader, settings, cancellationToken).ConfigureAwait(false)); case JsonToken.String: case JsonToken.Integer: case JsonToken.Float: case JsonToken.Date: case JsonToken.Boolean: case JsonToken.Bytes: JValue v = new JValue(reader.Value); v.SetLineInfo(lineInfo, settings); return(v); case JsonToken.Comment: v = JValue.CreateComment(reader.Value.ToString()); v.SetLineInfo(lineInfo, settings); return(v); case JsonToken.Null: v = JValue.CreateNull(); v.SetLineInfo(lineInfo, settings); return(v); case JsonToken.Undefined: v = JValue.CreateUndefined(); v.SetLineInfo(lineInfo, settings); return(v); default: throw JsonReaderException.Create(reader, "Error reading JToken from JsonReader. Unexpected token: {0}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType)); } }
public static new Task <JConstructor> LoadAsync(JsonReader reader, CancellationToken cancellationToken = null) { return(JConstructor.LoadAsync(reader, null, cancellationToken)); }