| | | 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 DoubleConverter : JsonPrimitiveConverter<double> |
| | | 11 | | { |
| | 0 | 12 | | public DoubleConverter() |
| | 0 | 13 | | { |
| | 0 | 14 | | IsInternalConverterForNumberType = true; |
| | 0 | 15 | | } |
| | | 16 | | |
| | 0 | 17 | | internal override bool IsIeeeFloatingPointConverter => true; |
| | | 18 | | |
| | | 19 | | public override double Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) |
| | 0 | 20 | | { |
| | 0 | 21 | | if (options?.NumberHandling is not null and not JsonNumberHandling.Strict) |
| | 0 | 22 | | { |
| | 0 | 23 | | return ReadNumberWithCustomHandling(ref reader, options.NumberHandling, options); |
| | | 24 | | } |
| | | 25 | | |
| | 0 | 26 | | return reader.GetDouble(); |
| | 0 | 27 | | } |
| | | 28 | | |
| | | 29 | | public override void Write(Utf8JsonWriter writer, double value, JsonSerializerOptions options) |
| | 0 | 30 | | { |
| | 0 | 31 | | if (options?.NumberHandling is not null and not JsonNumberHandling.Strict) |
| | 0 | 32 | | { |
| | 0 | 33 | | WriteNumberWithCustomHandling(writer, value, options.NumberHandling); |
| | 0 | 34 | | return; |
| | | 35 | | } |
| | | 36 | | |
| | 0 | 37 | | writer.WriteNumberValue(value); |
| | 0 | 38 | | } |
| | | 39 | | |
| | | 40 | | internal override double ReadAsPropertyNameCore(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOpt |
| | 0 | 41 | | { |
| | 0 | 42 | | Debug.Assert(reader.TokenType == JsonTokenType.PropertyName); |
| | 0 | 43 | | return reader.GetDoubleWithQuotes(); |
| | 0 | 44 | | } |
| | | 45 | | |
| | | 46 | | internal override void WriteAsPropertyNameCore(Utf8JsonWriter writer, double value, JsonSerializerOptions option |
| | 0 | 47 | | { |
| | 0 | 48 | | writer.WritePropertyName(value); |
| | 0 | 49 | | } |
| | | 50 | | |
| | | 51 | | internal override double ReadNumberWithCustomHandling(ref Utf8JsonReader reader, JsonNumberHandling handling, Js |
| | 0 | 52 | | { |
| | 0 | 53 | | if (reader.TokenType == JsonTokenType.String) |
| | 0 | 54 | | { |
| | 0 | 55 | | if ((JsonNumberHandling.AllowReadingFromString & handling) != 0) |
| | 0 | 56 | | { |
| | 0 | 57 | | return reader.GetDoubleWithQuotes(); |
| | | 58 | | } |
| | 0 | 59 | | else if ((JsonNumberHandling.AllowNamedFloatingPointLiterals & handling) != 0) |
| | 0 | 60 | | { |
| | 0 | 61 | | return reader.GetDoubleFloatingPointConstant(); |
| | | 62 | | } |
| | 0 | 63 | | } |
| | | 64 | | |
| | 0 | 65 | | return reader.GetDouble(); |
| | 0 | 66 | | } |
| | | 67 | | |
| | | 68 | | internal override void WriteNumberWithCustomHandling(Utf8JsonWriter writer, double value, JsonNumberHandling han |
| | 0 | 69 | | { |
| | 0 | 70 | | if ((JsonNumberHandling.WriteAsString & handling) != 0) |
| | 0 | 71 | | { |
| | 0 | 72 | | writer.WriteNumberValueAsString(value); |
| | 0 | 73 | | } |
| | 0 | 74 | | else if ((JsonNumberHandling.AllowNamedFloatingPointLiterals & handling) != 0) |
| | 0 | 75 | | { |
| | 0 | 76 | | writer.WriteFloatingPointConstant(value); |
| | 0 | 77 | | } |
| | | 78 | | else |
| | 0 | 79 | | { |
| | 0 | 80 | | writer.WriteNumberValue(value); |
| | 0 | 81 | | } |
| | 0 | 82 | | } |
| | | 83 | | |
| | | 84 | | internal override JsonSchema? GetSchema(JsonNumberHandling numberHandling) => |
| | 0 | 85 | | GetSchemaForNumericType(JsonSchemaType.Number, numberHandling, isIeeeFloatingPoint: true); |
| | | 86 | | |
| | | 87 | | internal override JsonValueType GetSupportedJsonValueTypes(JsonNumberHandling numberHandling) => |
| | 0 | 88 | | GetSupportedJsonValueTypesForNumericType(numberHandling); |
| | | 89 | | } |
| | | 90 | | } |
| | | 91 | | |