Add MediaStreamProtocol enum (#10153)

* Add MediaStreamProtocol enum

* Add default handling for enum during deserialization

---------

Co-authored-by: Cody Robibero <cody@robibe.ro>

1 files changed, 27 insertions, 0 deletions

diff --git a/src/Jellyfin.Extensions/Json/Utf8JsonExtensions.cs b/src/Jellyfin.Extensions/Json/Utf8JsonExtensions.cs
new file mode 100644
index 000000000..d06508a26
--- /dev/null
+++ b/src/Jellyfin.Extensions/Json/Utf8JsonExtensions.cs
@@ -0,0 +1,27 @@
+using System.Text.Json;
+
+namespace Jellyfin.Extensions.Json;
+
+/// <summary>
+/// Extensions for Utf8JsonReader and Utf8JsonWriter.
+/// </summary>
+public static class Utf8JsonExtensions
+{
+    /// <summary>
+    /// Determines if the reader contains an empty string.
+    /// </summary>
+    /// <param name="reader">The reader.</param>
+    /// <returns>Whether the reader contains an empty string.</returns>
+    public static bool IsEmptyString(this Utf8JsonReader reader)
+        => reader.TokenType == JsonTokenType.String
+           && ((reader.HasValueSequence && reader.ValueSequence.IsEmpty)
+               || (!reader.HasValueSequence && reader.ValueSpan.IsEmpty));
+
+    /// <summary>
+    /// Determines if the reader contains a null value.
+    /// </summary>
+    /// <param name="reader">The reader.</param>
+    /// <returns>Whether the reader contains null.</returns>
+    public static bool IsNull(this Utf8JsonReader reader)
+        => reader.TokenType == JsonTokenType.Null;
+}