From 87df6b3ebde1fbcd0916d9fefcdec23c98b58929 Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Wed, 25 Oct 2023 14:51:07 -0400
Subject: [PATCH] Add IRD wrapper

---
 Wrappers/IRD.cs | 94 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 Wrappers/IRD.cs

diff --git a/Wrappers/IRD.cs b/Wrappers/IRD.cs
new file mode 100644
index 00000000..e4676718
--- /dev/null
+++ b/Wrappers/IRD.cs
@@ -0,0 +1,94 @@
+using System.IO;
+
+namespace SabreTools.Serialization.Wrappers
+{
+    public class IRD : WrapperBase<Models.IRD.IRD>
+    {
+        #region Descriptive Properties
+
+        /// <inheritdoc/>
+        public override string DescriptionString => "PS3 IRD file";
+
+        #endregion
+
+        #region Constructors
+
+        /// <inheritdoc/>
+#if NET48
+        public IRD(Models.IRD.IRD model, byte[] data, int offset)
+#else
+        public IRD(Models.IRD.IRD? model, byte[]? data, int offset)
+#endif
+            : base(model, data, offset)
+        {
+            // All logic is handled by the base class
+        }
+
+        /// <inheritdoc/>
+#if NET48
+        public IRD(Models.IRD.IRD model, Stream data)
+#else
+        public IRD(Models.IRD.IRD? model, Stream? data)
+#endif
+            : base(model, data)
+        {
+            // All logic is handled by the base class
+        }
+
+        /// <summary>
+        /// Create an IRD from a byte array and offset
+        /// </summary>
+        /// <param name="data">Byte array representing the archive</param>
+        /// <param name="offset">Offset within the array to parse</param>
+        /// <returns>An IRD wrapper on success, null on failure</returns>
+#if NET48
+        public static IRD Create(byte[] data, int offset)
+#else
+        public static IRD? Create(byte[]? data, int offset)
+#endif
+        {
+            // If the data is invalid
+            if (data == null)
+                return null;
+
+            // If the offset is out of bounds
+            if (offset < 0 || offset >= data.Length)
+                return null;
+
+            // Create a memory stream and use that
+            MemoryStream dataStream = new MemoryStream(data, offset, data.Length - offset);
+            return Create(dataStream);
+        }
+
+        /// <summary>
+        /// Create an IRD from a Stream
+        /// </summary>
+        /// <param name="data">Stream representing the archive</param>
+        /// <returns>An IRD wrapper on success, null on failure</returns>
+#if NET48
+        public static IRD Create(Stream data)
+#else
+        public static IRD? Create(Stream? data)
+#endif
+        {
+            // If the data is invalid
+            if (data == null || data.Length == 0 || !data.CanSeek || !data.CanRead)
+                return null;
+
+            var ird = new Streams.IRD().Deserialize(data);
+            if (ird == null)
+                return null;
+
+            try
+            {
+                return new IRD(ird, data);
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file