From 92b2e445b6589cd6a0663620fcae57032ffe10ae Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Fri, 5 Sep 2025 03:14:55 +0100
Subject: [PATCH] [AMG] Implement ListXAttr and GetXAttr.

---
 Aaru.Archives/Amg/Unimplemented.cs |  8 ------
 Aaru.Archives/Amg/Xattrs.cs        | 44 ++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 8 deletions(-)
 create mode 100644 Aaru.Archives/Amg/Xattrs.cs

diff --git a/Aaru.Archives/Amg/Unimplemented.cs b/Aaru.Archives/Amg/Unimplemented.cs
index 7fea2dea2..1a95e1641 100644
--- a/Aaru.Archives/Amg/Unimplemented.cs
+++ b/Aaru.Archives/Amg/Unimplemented.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using Aaru.CommonTypes.Enums;
 using Aaru.CommonTypes.Interfaces;
 using Aaru.CommonTypes.Structs;
@@ -10,13 +9,6 @@ public sealed partial class Amg
 {
 #region IArchive Members
 
-    /// <inheritdoc />
-    public ErrorNumber ListXAttr(int entryNumber, out List<string> xattrs) => throw new NotImplementedException();
-
-    /// <inheritdoc />
-    public ErrorNumber GetXattr(int entryNumber, string xattr, ref byte[] buffer) =>
-        throw new NotImplementedException();
-
     /// <inheritdoc />
     public ErrorNumber Stat(int entryNumber, out FileEntryInfo stat) => throw new NotImplementedException();
 
diff --git a/Aaru.Archives/Amg/Xattrs.cs b/Aaru.Archives/Amg/Xattrs.cs
new file mode 100644
index 000000000..3a3eb1d24
--- /dev/null
+++ b/Aaru.Archives/Amg/Xattrs.cs
@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+using System.Text;
+using Aaru.CommonTypes.Enums;
+
+namespace Aaru.Archives;
+
+public sealed partial class Amg
+{
+#region IArchive Members
+
+    /// <inheritdoc />
+    public ErrorNumber ListXAttr(int entryNumber, out List<string> xattrs)
+    {
+        xattrs = null;
+
+        if(!Opened) return ErrorNumber.NotOpened;
+
+        if(entryNumber < 0 || entryNumber >= _files.Count) return ErrorNumber.OutOfRange;
+
+        xattrs = [];
+
+        if(_files[entryNumber].Comment is not null) xattrs.Add("comment");
+
+        return ErrorNumber.NoError;
+    }
+
+    /// <inheritdoc />
+    public ErrorNumber GetXattr(int entryNumber, string xattr, ref byte[] buffer)
+    {
+        buffer = null;
+
+        if(!Opened) return ErrorNumber.NotOpened;
+
+        if(entryNumber < 0 || entryNumber >= _files.Count) return ErrorNumber.OutOfRange;
+
+        if(xattr != "comment" || _files[entryNumber].Comment is null) return ErrorNumber.NoSuchExtendedAttribute;
+
+        buffer = Encoding.UTF8.GetBytes(_files[entryNumber].Comment);
+
+        return ErrorNumber.NoError;
+    }
+
+#endregion
+}
\ No newline at end of file