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| author | Bond-009 <bond.009@outlook.com> | 2020-08-20 16:40:03 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-08-20 16:40:03 +0200 |
| commit | 5160e627f18fb4a763eaa77b836d20486e55c5e9 (patch) | |
| tree | 5fb90ba0ee4d217384d31d1828b6a42a74168a45 /MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs | |
| parent | 3588ee5229b76bca9417813e208e86492e06d609 (diff) | |
| parent | 250e351613e0eed7977c8cdad4a9078927458feb (diff) | |
Merge branch 'master' into feature/ffmpeg-version-check
Diffstat (limited to 'MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs')
| -rw-r--r-- | MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs b/MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs new file mode 100644 index 000000000..427f1fa7e --- /dev/null +++ b/MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs @@ -0,0 +1,56 @@ +using System; +using System.Buffers; +using System.Buffers.Text; +using System.Globalization; +using System.Text.Json; +using System.Text.Json.Serialization; + +namespace MediaBrowser.Common.Json.Converters +{ + /// <summary> + /// Parse JSON string as long. + /// Javascript does not support 64-bit integers. + /// </summary> + public class JsonInt64Converter : JsonConverter<long> + { + /// <summary> + /// Read JSON string as int64. + /// </summary> + /// <param name="reader"><see cref="Utf8JsonReader"/>.</param> + /// <param name="type">Type.</param> + /// <param name="options">Options.</param> + /// <returns>Parsed value.</returns> + public override long Read(ref Utf8JsonReader reader, Type type, JsonSerializerOptions options) + { + if (reader.TokenType == JsonTokenType.String) + { + // try to parse number directly from bytes + var span = reader.HasValueSequence ? reader.ValueSequence.ToArray() : reader.ValueSpan; + if (Utf8Parser.TryParse(span, out long number, out var bytesConsumed) && span.Length == bytesConsumed) + { + return number; + } + + // try to parse from a string if the above failed, this covers cases with other escaped/UTF characters + if (long.TryParse(reader.GetString(), out number)) + { + return number; + } + } + + // fallback to default handling + return reader.GetInt64(); + } + + /// <summary> + /// Write long to JSON long. + /// </summary> + /// <param name="writer"><see cref="Utf8JsonWriter"/>.</param> + /// <param name="value">Value to write.</param> + /// <param name="options">Options.</param> + public override void Write(Utf8JsonWriter writer, long value, JsonSerializerOptions options) + { + writer.WriteNumberValue(value); + } + } +} |
