Add gross hack because isbios, isdevice, and ismechanical are separate

SabreTools.Core/Filter/FilterRunner.cs

@@ -20,6 +20,17 @@ namespace SabreTools.Core.Filter
         /// </summary>
         private readonly string[] _datItemTypeNames = TypeHelper.GetDatItemTypeNames();
 
+        /// <summary>
+        /// Set of machine type keys that are logically grouped
+        /// </summary>
+        /// TODO: REMOVE THISWHEN A PROPER IMPLEMENTATION IS FOUND
+        private readonly string[] _machineTypeKeys =
+        [
+            $"{MetadataFile.MachineKey}.{Machine.IsBiosKey}",
+            $"{MetadataFile.MachineKey}.{Machine.IsDeviceKey}",
+            $"{MetadataFile.MachineKey}.{Machine.IsMechanicalKey}",
+        ];
+
         public FilterRunner(FilterObject[] filters)
         {
             Filters = filters;
@@ -73,6 +84,46 @@ namespace SabreTools.Core.Filter
                 filterDictionary[key].Add(filter);
             }
 
+            // TODO: REMOVE THIS ENTIRE BLOCK WHEN A PROPER IMPLEMENTATION IS FOUND
+            // Handle special keys that work in tandem
+            if (itemName == MetadataFile.MachineKey)
+            {
+                // Check that one of the special keys exists
+                bool containsKey = false;
+                foreach (string key in _machineTypeKeys)
+                {
+                    if (filterDictionary.ContainsKey(key))
+                        containsKey = true;
+                }
+
+                // If at least one exists
+                if (containsKey)
+                {
+                    bool matchAny = false;
+                    foreach (string filterKey in _machineTypeKeys)
+                    {
+                        // Skip missing keys
+                        if (!filterDictionary.ContainsKey(filterKey))
+                            continue;
+
+                        foreach (var filter in filterDictionary[filterKey])
+                        {
+                            matchAny |= filter.Matches(dictionaryBase);
+                        }
+                    }
+
+                    // If we don't get a match, it's a failure
+                    if (!matchAny)
+                        return false;
+
+                    // Remove the keys from the dictionary
+                    foreach (string key in _machineTypeKeys)
+                    {
+                        filterDictionary.Remove(key);
+                    }
+                }
+            }
+
             // Loop through and run each filter in order
             foreach (var filterKey in filterDictionary.Keys)
             {