/// <summary> /// Loads an <see cref="JObject"/> from a <see cref="JsonReader"/>. /// </summary> /// <param name="reader">A <see cref="JsonReader"/> that will be read for the content of the <see cref="JObject"/>.</param> /// <returns>A <see cref="JObject"/> that contains the JSON that was read from the specified <see cref="JsonReader"/>.</returns> public new static JObject Load(JsonReader reader) { ValidationUtils.ArgumentNotNull(reader, "reader"); if (reader.TokenType == JsonToken.None) { if (!reader.Read()) { throw JsonReaderException.Create(reader, "Error reading JObject from JsonReader."); } } while (reader.TokenType == JsonToken.Comment) { reader.Read(); } if (reader.TokenType != JsonToken.StartObject) { throw JsonReaderException.Create(reader, "Error reading JObject from JsonReader. Current JsonReader item is not an object: {0}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType)); } JObject o = new JObject(); o.SetLineInfo(reader as IJsonLineInfo); o.ReadTokenFrom(reader); return(o); }
/// <summary> /// Loads an <see cref="JObject"/> from a <see cref="JsonReader"/>. /// </summary> /// <param name="reader">A <see cref="JsonReader"/> that will be read for the content of the <see cref="JObject"/>.</param> /// <param name="settings">The <see cref="JsonLoadSettings"/> used to load the JSON. /// If this is null, default load settings will be used.</param> /// <returns>A <see cref="JObject"/> that contains the JSON that was read from the specified <see cref="JsonReader"/>.</returns> public new static JObject Load(JsonReader reader, JsonLoadSettings settings) { ValidationUtils.ArgumentNotNull(reader, nameof(reader)); if (reader.TokenType == JsonToken.None) { if (!reader.Read()) { throw JsonReaderException.Create(reader, "Error reading JObject from JsonReader."); } } reader.MoveToContent(); if (reader.TokenType != JsonToken.StartObject) { throw JsonReaderException.Create(reader, "Error reading JObject from JsonReader. Current JsonReader item is not an object: {0}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType)); } JObject o = new JObject(); o.SetLineInfo(reader as IJsonLineInfo, settings); o.ReadTokenFrom(reader, settings); return o; }
/// <summary> /// Asynchronously loads a <see cref="JObject"/> from a <see cref="JsonReader"/>. /// </summary> /// <param name="reader">A <see cref="JsonReader"/> that will be read for the content of the <see cref="JObject"/>.</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 load. The <see cref="Task{TResult}.Result"/> /// property returns a <see cref="JObject"/> that contains the JSON that was read from the specified <see cref="JsonReader"/>.</returns> public new static async Task <JObject> LoadAsync(JsonReader reader, JsonLoadSettings?settings, CancellationToken cancellationToken = default) { ValidationUtils.ArgumentNotNull(reader, nameof(reader)); if (reader.TokenType == JsonToken.None) { if (!await reader.ReadAsync(cancellationToken).ConfigureAwait(false)) { throw JsonReaderException.Create(reader, "Error reading JObject from JsonReader."); } } await reader.MoveToContentAsync(cancellationToken).ConfigureAwait(false); if (reader.TokenType != JsonToken.StartObject) { throw JsonReaderException.Create(reader, "Error reading JObject from JsonReader. Current JsonReader item is not an object: {0}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType)); } JObject o = new JObject(); o.SetLineInfo(reader as IJsonLineInfo, settings); await o.ReadTokenFromAsync(reader, settings, cancellationToken).ConfigureAwait(false); return(o); }
internal void ReadContentFrom(JsonReader r) { ValidationUtils.ArgumentNotNull(r, "r"); IJsonLineInfo lineInfo = r as IJsonLineInfo; JContainer parent = this; do { if (parent is JProperty && ((JProperty)parent).Value != null) { if (parent == this) { return; } parent = parent.Parent; } switch (r.TokenType) { case JsonToken.None: // new reader. move to actual content break; case JsonToken.StartArray: JArray a = new JArray(); a.SetLineInfo(lineInfo); parent.Add(a); parent = a; break; case JsonToken.EndArray: if (parent == this) { return; } parent = parent.Parent; break; case JsonToken.StartObject: JObject o = new JObject(); o.SetLineInfo(lineInfo); parent.Add(o); parent = o; break; case JsonToken.EndObject: if (parent == this) { return; } parent = parent.Parent; break; case JsonToken.StartConstructor: JConstructor constructor = new JConstructor(r.Value.ToString()); constructor.SetLineInfo(lineInfo); parent.Add(constructor); parent = constructor; break; case JsonToken.EndConstructor: if (parent == this) { return; } parent = parent.Parent; break; case JsonToken.String: case JsonToken.Integer: case JsonToken.Float: case JsonToken.Date: case JsonToken.Boolean: case JsonToken.Bytes: JValue v = new JValue(r.Value); v.SetLineInfo(lineInfo); parent.Add(v); break; case JsonToken.Comment: v = JValue.CreateComment(r.Value.ToString()); v.SetLineInfo(lineInfo); parent.Add(v); break; case JsonToken.Null: v = JValue.CreateNull(); v.SetLineInfo(lineInfo); parent.Add(v); break; case JsonToken.Undefined: v = JValue.CreateUndefined(); v.SetLineInfo(lineInfo); parent.Add(v); break; case JsonToken.PropertyName: string propertyName = r.Value.ToString(); JProperty property = new JProperty(propertyName); property.SetLineInfo(lineInfo); JObject parentObject = (JObject)parent; // handle multiple properties with the same name in JSON JProperty existingPropertyWithName = parentObject.Property(propertyName); if (existingPropertyWithName == null) { parent.Add(property); } else { existingPropertyWithName.Replace(property); } parent = property; break; default: throw new InvalidOperationException("The JsonReader should not be on a token of type {0}.".FormatWith(CultureInfo.InvariantCulture, r.TokenType)); } } while (r.Read()); }
private async Task ReadContentFromAsync(JsonReader reader, JsonLoadSettings?settings, CancellationToken cancellationToken = default) { IJsonLineInfo?lineInfo = reader as IJsonLineInfo; JContainer?parent = this; do { if (parent is JProperty p && p.Value != null) { if (parent == this) { return; } parent = parent.Parent; } MiscellaneousUtils.Assert(parent != null); switch (reader.TokenType) { case JsonToken.None: // new reader. move to actual content break; case JsonToken.StartArray: JArray a = new JArray(); a.SetLineInfo(lineInfo, settings); parent.Add(a); parent = a; break; case JsonToken.EndArray: if (parent == this) { return; } parent = parent.Parent; break; case JsonToken.StartObject: JObject o = new JObject(); o.SetLineInfo(lineInfo, settings); parent.Add(o); parent = o; break; case JsonToken.EndObject: if (parent == this) { return; } parent = parent.Parent; break; case JsonToken.StartConstructor: JConstructor constructor = new JConstructor(reader.Value !.ToString()); constructor.SetLineInfo(lineInfo, settings); parent.Add(constructor); parent = constructor; break; case JsonToken.EndConstructor: if (parent == this) { return; } parent = parent.Parent; break; 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); parent.Add(v); break; case JsonToken.Comment: if (settings != null && settings.CommentHandling == CommentHandling.Load) { v = JValue.CreateComment(reader.Value !.ToString()); v.SetLineInfo(lineInfo, settings); parent.Add(v); } break; case JsonToken.Null: v = JValue.CreateNull(); v.SetLineInfo(lineInfo, settings); parent.Add(v); break; case JsonToken.Undefined: v = JValue.CreateUndefined(); v.SetLineInfo(lineInfo, settings); parent.Add(v); break; case JsonToken.PropertyName: JProperty?property = ReadProperty(reader, settings, lineInfo, parent); if (property != null) { parent = property; } else { await reader.SkipAsync().ConfigureAwait(false); } break; default: throw new InvalidOperationException("The JsonReader should not be on a token of type {0}.".FormatWith(CultureInfo.InvariantCulture, reader.TokenType)); } } while (await reader.ReadAsync(cancellationToken).ConfigureAwait(false)); }