From 1efd50210cff4e1aa01a49b54c975d0adce27103 Mon Sep 17 00:00:00 2001
From: Timerix <timerix11@gmail.com>
Date: Sat, 5 Apr 2025 10:06:34 +0500
Subject: [PATCH] NoMatchExpression

---
 ParadoxSaveParser.Lib/SearchExpression.cs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/ParadoxSaveParser.Lib/SearchExpression.cs b/ParadoxSaveParser.Lib/SearchExpression.cs
index afa4b46..1acd038 100644
--- a/ParadoxSaveParser.Lib/SearchExpression.cs
+++ b/ParadoxSaveParser.Lib/SearchExpression.cs
@@ -88,7 +88,9 @@ public static class SearchExpressionCompiler
             remaining = query.Slice(partBeforePointLength + 1);
         if (part is "*") 
             return new AnyMatchExpression(remaining.IsEmpty ? null : Compile(remaining));
-
+        if (part is "~")
+            return new NoMatchExpression();
+        
         for (int j = 0; j < part.Length; j++)
             if (CharEqualsAndNotEscaped('*', part, j))
                 throw new NotImplementedException("pattern matching other than '*' is not implemented yet");
@@ -112,6 +114,15 @@ public static class SearchExpressionCompiler
         }
     }
 
+    private record NoMatchExpression : ISearchExpression
+    {
+        public bool DoesMatch(SearchArgs args, out ISearchExpression? nextSearchExpression)
+        {
+            nextSearchExpression = null;
+            return false;
+        }
+    }
+
     private record MultipleMatchExpression(List<ISearchExpression> subExprs) : ISearchExpression
     {
         public bool DoesMatch(SearchArgs args, out ISearchExpression? nextSearchExpression)