using System.Text.Json.Nodes; using System.Text.Json.Schema; namespace System.Text.Json.Serialization.Converters { internal sealed class JsonArrayConverter : JsonConverter<JsonArray> { public override void Write(Utf8JsonWriter writer, JsonArray value, JsonSerializerOptions options) { if (value == null) writer.WriteNullValue(); else value.WriteTo(writer, options); } public override JsonArray Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) { switch (reader.TokenType) { case JsonTokenType.StartArray: if (!options.AllowDuplicateProperties) return ReadAsJsonNode(ref reader, options.GetNodeOptions()); return ReadAsJsonElement(ref reader, options.GetNodeOptions()); case JsonTokenType.Null: return null; default: throw ThrowHelper.GetInvalidOperationException_ExpectedArray(reader.TokenType); } } internal static JsonArray ReadAsJsonElement(ref Utf8JsonReader reader, JsonNodeOptions options) { return new JsonArray(JsonElement.ParseValue(ref reader), options); } internal static JsonArray ReadAsJsonNode(ref Utf8JsonReader reader, JsonNodeOptions options) { JsonArray jsonArray = new JsonArray(options, default(ReadOnlySpan<JsonNode>)); while (reader.Read()) { if (reader.TokenType == JsonTokenType.EndArray) return jsonArray; JsonNode item = JsonNodeConverter.ReadAsJsonNode(ref reader, options); jsonArray.Add(item); } ThrowHelper.ThrowJsonException(null); return null; } internal override JsonSchema GetSchema(JsonNumberHandling _) { return new JsonSchema { Type = JsonSchemaType.Array }; } } }