From b3bea2bea5c90435f0f1ed42b0cf82e453105c13 Mon Sep 17 00:00:00 2001
From: Edoardo La Greca
Date: Thu, 7 Aug 2025 19:04:10 +0200
Subject: add genFID to PathInfo

---
 src/main/kotlin/PathInfo.kt | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/main/kotlin/PathInfo.kt b/src/main/kotlin/PathInfo.kt
index 4981662..c803e17 100644
--- a/src/main/kotlin/PathInfo.kt
+++ b/src/main/kotlin/PathInfo.kt
@@ -68,4 +68,19 @@ class PathInfo() {
     fun getAllPaths(): Set<Path> {
         return this.paths.toSet()
     }
+
+    /**
+     * Generate a new FID which is not already in use.
+     *
+     * @return The new FID.
+     * @throws IllegalStateException if there is no available FID.
+     */
+    fun genFID(): UInt {
+        for (newFid in 0u..UInt.MAX_VALUE) {
+            if (findByFID(newFid) == null) {
+                return newFid
+            }
+        }
+        throw IllegalStateException()
+    }
 }
\ No newline at end of file
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