| | | 1 | | // Licensed to the .NET Foundation under one or more agreements. |
| | | 2 | | // The .NET Foundation licenses this file to you under the MIT license. |
| | | 3 | | |
| | | 4 | | using System.Diagnostics; |
| | | 5 | | using System.Text.Json.Nodes; |
| | | 6 | | using System.Text.Json.Schema; |
| | | 7 | | |
| | | 8 | | namespace System.Text.Json.Serialization.Converters |
| | | 9 | | { |
| | | 10 | | internal sealed class JsonArrayConverter : JsonConverter<JsonArray?> |
| | | 11 | | { |
| | | 12 | | public override void Write(Utf8JsonWriter writer, JsonArray? value, JsonSerializerOptions options) |
| | 0 | 13 | | { |
| | 0 | 14 | | if (value is null) |
| | 0 | 15 | | { |
| | 0 | 16 | | writer.WriteNullValue(); |
| | 0 | 17 | | return; |
| | | 18 | | } |
| | | 19 | | |
| | 0 | 20 | | value.WriteTo(writer, options); |
| | 0 | 21 | | } |
| | | 22 | | |
| | | 23 | | public override JsonArray? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) |
| | 12 | 24 | | { |
| | 12 | 25 | | switch (reader.TokenType) |
| | | 26 | | { |
| | | 27 | | case JsonTokenType.StartArray: |
| | 8 | 28 | | return options.AllowDuplicateProperties |
| | 8 | 29 | | ? ReadAsJsonElement(ref reader, options.GetNodeOptions()) |
| | 8 | 30 | | : ReadAsJsonNode(ref reader, options.GetNodeOptions()); |
| | | 31 | | case JsonTokenType.Null: |
| | 0 | 32 | | return null; |
| | | 33 | | default: |
| | 4 | 34 | | throw ThrowHelper.GetInvalidOperationException_ExpectedArray(reader.TokenType); |
| | | 35 | | } |
| | 0 | 36 | | } |
| | | 37 | | |
| | | 38 | | internal static JsonArray ReadAsJsonElement(ref Utf8JsonReader reader, JsonNodeOptions options) |
| | 16 | 39 | | { |
| | 16 | 40 | | JsonElement jElement = JsonElement.ParseValue(ref reader); |
| | 0 | 41 | | return new JsonArray(jElement, options); |
| | 0 | 42 | | } |
| | | 43 | | |
| | | 44 | | internal static JsonArray ReadAsJsonNode(ref Utf8JsonReader reader, JsonNodeOptions options) |
| | 0 | 45 | | { |
| | 0 | 46 | | Debug.Assert(reader.TokenType == JsonTokenType.StartArray); |
| | | 47 | | |
| | 0 | 48 | | JsonArray jArray = new JsonArray(options); |
| | | 49 | | |
| | 0 | 50 | | while (reader.Read()) |
| | 0 | 51 | | { |
| | 0 | 52 | | if (reader.TokenType == JsonTokenType.EndArray) |
| | 0 | 53 | | { |
| | 0 | 54 | | return jArray; |
| | | 55 | | } |
| | | 56 | | |
| | 0 | 57 | | JsonNode? item = JsonNodeConverter.ReadAsJsonNode(ref reader, options); |
| | 0 | 58 | | jArray.Add(item); |
| | 0 | 59 | | } |
| | | 60 | | |
| | | 61 | | // JSON is invalid so reader would have already thrown. |
| | 0 | 62 | | Debug.Fail("End array token not found."); |
| | | 63 | | ThrowHelper.ThrowJsonException(); |
| | | 64 | | return null; |
| | 0 | 65 | | } |
| | | 66 | | |
| | 0 | 67 | | internal override JsonValueType GetSupportedJsonValueTypes(JsonNumberHandling _) => JsonValueType.Array; |
| | | 68 | | |
| | 0 | 69 | | internal override JsonSchema? GetSchema(JsonNumberHandling _) => new() { Type = JsonSchemaType.Array }; |
| | | 70 | | } |
| | | 71 | | } |
| | | 72 | | |