From 49f6704694a08ce2018419a30620cf67e030a090 Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Tue, 30 Sep 2025 14:05:34 -0400
Subject: [PATCH] Add initial XZ printer

---
 SabreTools.Serialization/Printer.cs     |  12 +++
 SabreTools.Serialization/Printers/XZ.cs | 109 ++++++++++++++++++++++++
 2 files changed, 121 insertions(+)
 create mode 100644 SabreTools.Serialization/Printers/XZ.cs

diff --git a/SabreTools.Serialization/Printer.cs b/SabreTools.Serialization/Printer.cs
index 2287912c..ea14ee45 100644
--- a/SabreTools.Serialization/Printer.cs
+++ b/SabreTools.Serialization/Printer.cs
@@ -75,6 +75,7 @@ namespace SabreTools.Serialization
                 Wrapper.WiseSectionHeader item => item.PrettyPrint(),
                 Wrapper.XeMID item => item.PrettyPrint(),
                 Wrapper.XMID item => item.PrettyPrint(),
+                Wrapper.XZ item => item.PrettyPrint(),
                 Wrapper.XZP item => item.PrettyPrint(),
                 _ => null,
             };
@@ -130,6 +131,7 @@ namespace SabreTools.Serialization
                 Wrapper.WiseSectionHeader item => item.ExportJSON(),
                 Wrapper.XeMID item => item.ExportJSON(),
                 Wrapper.XMID item => item.ExportJSON(),
+                Wrapper.XZ item => item.ExportJSON(),
                 Wrapper.XZP item => item.ExportJSON(),
                 _ => string.Empty,
             };
@@ -558,6 +560,16 @@ namespace SabreTools.Serialization
             return builder;
         }
 
+        /// <summary>
+        /// Export the item information as pretty-printed text
+        /// </summary>
+        private static StringBuilder PrettyPrint(this Wrapper.XZ item)
+        {
+            var builder = new StringBuilder();
+            XZ.Print(builder, item.Model);
+            return builder;
+        }
+
         /// <summary>
         /// Export the item information as pretty-printed text
         /// </summary>
diff --git a/SabreTools.Serialization/Printers/XZ.cs b/SabreTools.Serialization/Printers/XZ.cs
new file mode 100644
index 00000000..6deabdb9
--- /dev/null
+++ b/SabreTools.Serialization/Printers/XZ.cs
@@ -0,0 +1,109 @@
+using System.Text;
+using SabreTools.Data.Models.XZ;
+
+namespace SabreTools.Data.Printers
+{
+    public class XZ : IPrinter<Archive>
+    {
+        /// <inheritdoc/>
+        public void PrintInformation(StringBuilder builder, Archive model)
+            => Print(builder, model);
+
+        public static void Print(StringBuilder builder, Archive archive)
+        {
+            builder.AppendLine("xz Information:");
+            builder.AppendLine("-------------------------");
+            builder.AppendLine();
+
+            Print(builder, archive.Header);
+            Print(builder, archive.Blocks);
+            Print(builder, archive.Index);
+            Print(builder, archive.Footer);
+        }
+
+        private static void Print(StringBuilder builder, Header? header)
+        {
+            builder.AppendLine("  Header Information:");
+            builder.AppendLine("  -------------------------");
+            if (header == null)
+            {
+                builder.AppendLine("  No header");
+                builder.AppendLine();
+                return;
+            }
+
+            builder.AppendLine(header.Signature, "  Signature");
+            builder.AppendLine($" Flags: {header.Flags} (0x{(ushort)header.Flags:X4})");
+            builder.AppendLine(header.Crc32, "  CRC-32");
+            builder.AppendLine();
+        }
+
+        private static void Print(StringBuilder builder, Block[]? blocks)
+        {
+            builder.AppendLine("  Blocks Information:");
+            builder.AppendLine("  -------------------------");
+            if (blocks == null || blocks.Length == 0)
+            {
+                builder.AppendLine("  No blocks");
+                builder.AppendLine();
+                return;
+            }
+
+            for (int i = 0; i < blocks.Length; i++)
+            {
+                var block = blocks[i];
+
+                builder.AppendLine($"  Block {i}:");
+                builder.AppendLine(block.HeaderSize, "    Header size");
+                builder.AppendLine($" Flags: {block.Flags} (0x{(byte)block.Flags:X2})");
+                builder.AppendLine(block.CompressedSize, "    Compressed size");
+                builder.AppendLine(block.UncompressedSize, "    Uncompressed size");
+                // TODO: Print filter flags
+                builder.AppendLine(block.HeaderPadding, "    Header padding");
+                builder.AppendLine(block.Crc32, "    CRC-32");
+                // TODO: Print the actual compressed data length
+                builder.AppendLine(block.BlockPadding, "    Block padding");
+                builder.AppendLine(block.Check, "    Check");
+            }
+
+            builder.AppendLine();
+        }
+
+        private static void Print(StringBuilder builder, Index? index)
+        {
+            builder.AppendLine("  Index Information:");
+            builder.AppendLine("  -------------------------");
+            if (index == null)
+            {
+                builder.AppendLine("  No index");
+                builder.AppendLine();
+                return;
+            }
+
+            builder.AppendLine(index.IndexIndicator, "  Index indicator");
+            builder.AppendLine(index.NumberOfRecords, "  Number of records");
+            // TODO: Print records
+            builder.AppendLine(index.Padding, "  Padding");
+            builder.AppendLine(index.Crc32, "  CRC-32");
+            builder.AppendLine();
+        }
+
+        private static void Print(StringBuilder builder, Footer? footer)
+        {
+            builder.AppendLine("  Footer Information:");
+            builder.AppendLine("  -------------------------");
+            if (footer == null)
+            {
+                builder.AppendLine("  No footer");
+                builder.AppendLine();
+                return;
+            }
+
+            builder.AppendLine(footer.Crc32, "  CRC-32");
+            builder.AppendLine(footer.BackwardSize, "  Backward size");
+            builder.AppendLine($" Flags: {footer.Flags} (0x{(ushort)footer.Flags:X4})");
+            builder.AppendLine(footer.Signature, "  Signature");
+            builder.AppendLine();
+        }
+    }
+}