From 5f04d0c224ab8d2445c32d75e4bb43728bc45bf2 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Fri, 13 Dec 2024 17:17:42 +0100
Subject: [PATCH] Validate input data files

---
 libgm/src/TileBitDatabase.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libgm/src/TileBitDatabase.cpp b/libgm/src/TileBitDatabase.cpp
index 183ced1..9d55ab3 100644
--- a/libgm/src/TileBitDatabase.cpp
+++ b/libgm/src/TileBitDatabase.cpp
@@ -95,7 +95,11 @@ std::vector<uint8_t> BaseBitDatabase::config_to_data(const TileConfig &cfg)
 {
     std::vector<bool> tile(num_bits, false);
     for (auto &w : cfg.cwords) {
-        words[w.name].set_value(tile, w.value);
+        if (words.count(w.name)) {
+            words[w.name].set_value(tile, w.value);
+        } else {
+            throw runtime_error(fmt("unknown word " << w.name << " found while converting data"));
+        }
     }
     return bits_to_bytes(tile);
 }