fix: adding some methods for getting text out of an entity easier

src/Nitride.Yaml/NitrideYamlEntityExtensions.cs

@@ -33,13 +33,10 @@ public static class NitrideYamlEntityExtensions
         this Entity entity,
         IDeserializer deserializer)
     {
-        if (!entity.TryGet(out ITextContent content))
-        {
-            return default;
-        }
+        string? text = entity.GetText();
 
-        string text = content.GetText();
-
-        return deserializer.Deserialize<TType>(text);
+        return text != null
+            ? deserializer.Deserialize<TType>(text)
+            : default;
     }
 }

src/Nitride/Contents/TextContentExtensions.cs

@@ -1,5 +1,7 @@
 using System.IO;
 
+using Gallium;
+
 namespace Nitride.Contents;
 
 public static class TextContentExtensions
@@ -18,4 +20,31 @@ public static class TextContentExtensions
 
         return writer.ToString();
     }
+
+    public static string? GetText(this IBinaryContent content)
+    {
+        if (content is ITextContentConvertable convertableContent)
+        {
+            return convertableContent
+                .ToTextContent()
+                .GetText();
+        }
+
+        return null;
+    }
+
+    public static string? GetText(this Entity entity)
+    {
+        if (entity.TryGet(out ITextContent textContent))
+        {
+            return textContent.GetText();
+        }
+
+        if (entity.TryGet(out IBinaryContent binaryContent))
+        {
+            return binaryContent.GetText();
+        }
+
+        return null;
+    }
 }