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authorMatt Montgomery <33811686+ConfusedPolarBear@users.noreply.github.com>2020-08-12 15:38:07 -0500
committerMatt Montgomery <33811686+ConfusedPolarBear@users.noreply.github.com>2020-08-12 15:38:07 -0500
commit4fa3d3f4f3083a43622d69aa76ae714b7a7aabd7 (patch)
tree4f2e3984788ae0b98c7f49abcd0d60374bfde16b /MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs
parent31d3b1b83aa356221e8af2f316b58584579207fe (diff)
parent741ab4301c6e7cb4b43da9b03732731efdd648a1 (diff)
Merge remote-tracking branch 'upstream/master' into quickconnect
Diffstat (limited to 'MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs')
-rw-r--r--MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs56
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..d18fd95d5
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+++ b/MediaBrowser.Common/Json/Converters/JsonInt64Converter.cs
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+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>
+ /// Long to String JSON converter.
+ /// 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 string.
+ /// </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.WriteStringValue(value.ToString(NumberFormatInfo.InvariantInfo));
+ }
+ }
+}