Add internal class

2026-02-04 05:36:12 +00:00 · 2023-09-09 00:05:02 -04:00
parent 1d14899f7e
commit 9ab28c2678
1 changed files with 107 additions and 0 deletions
--- a/Internal.cs
+++ b/Internal.cs
@@ -0,0 +1,107 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using SabreTools.Models.Metadata;
+
+namespace SabreTools.Serialization
+{
+    public static class Internal
+    {
+        /// <summary>
+        /// Extract nested items from a Dump
+        /// </summary>
+#if NET48
+        public static DatItem[] ExtractItems(Dump item)
+#else
+        public static DatItem[]? ExtractItems(Dump? item)
+#endif
+        {
+            if (item == null)
+                return null;
+
+            var datItems = new List<DatItem>();
+
+            var rom = item.Read<Rom>(Dump.RomKey);
+            if (rom != null)
+                datItems.Add(rom);
+
+            var megaRom = item.Read<Rom>(Dump.MegaRomKey);
+            if (megaRom != null)
+                datItems.Add(megaRom);
+
+            var sccPlusCart = item.Read<Rom>(Dump.SCCPlusCartKey);
+            if (sccPlusCart != null)
+                datItems.Add(sccPlusCart);
+
+            return datItems.ToArray();
+        }
+
+        /// <summary>
+        /// Extract nested items from a Part
+        /// </summary>
+#if NET48
+        public static DatItem[] ExtractItems(Part item)
+#else
+        public static DatItem[]? ExtractItems(Part? item)
+#endif
+        {
+            if (item == null)
+                return null;
+
+            var datItems = new List<DatItem>();
+
+            var features = item.Read<Feature[]>(Part.FeatureKey);
+            if (features != null && features.Any())
+                datItems.AddRange(features);
+
+            var dataAreas = item.Read<DataArea[]>(Part.DataAreaKey);
+            if (dataAreas != null && dataAreas.Any())
+            {
+                datItems.AddRange(dataAreas
+                    .Where(d => d != null)
+                    .SelectMany(ExtractItems));
+            }
+
+            var diskAreas = item.Read<DiskArea[]>(Part.DiskAreaKey);
+            if (diskAreas != null && diskAreas.Any())
+            {
+                datItems.AddRange(diskAreas
+                    .Where(d => d != null)
+                    .SelectMany(ExtractItems));
+            }
+
+            var dipSwitches = item.Read<DipSwitch[]>(Part.DipSwitchKey);
+            if (dipSwitches != null && dipSwitches.Any())
+            {
+                datItems.AddRange(dipSwitches
+                    .Where(d => d != null));
+            }
+
+            return datItems.ToArray();
+        }
+
+        /// <summary>
+        /// Extract nested items from a DataArea
+        /// </summary>
+        private static Rom[] ExtractItems(DataArea item)
+        {
+            var roms = item.Read<Rom[]>(DataArea.RomKey);
+            if (roms == null || !roms.Any())
+                return Array.Empty<Rom>();
+
+            return roms.ToArray();
+        }
+
+        /// <summary>
+        /// Extract nested items from a DiskArea
+        /// </summary>
+        private static Disk[] ExtractItems(DiskArea item)
+        {
+            var roms = item.Read<Disk[]>(DiskArea.DiskKey);
+            if (roms == null || !roms.Any())
+                return Array.Empty<Disk>();
+
+            return roms.ToArray();
+        }
+    }
+}