jinja : attribute support for join, map and sort (#18883)

* support negative array index and default value * attribute support (int and str) for join, map and sort * add tests * update CODEOWNERS * improve fixme sorting comment
2026-01-18 02:53:01 +01:00
parent 10c98cbdf6
commit d03c45c9c5
4 changed files with 144 additions and 38 deletions
@@ -168,8 +168,20 @@ struct value_t {
        }
        return val_obj.unordered.at(key);
    }
-    virtual value & at(size_t index) {
-        if (index >= val_arr.size()) {
+    virtual value & at(int64_t index, value & default_val) {
+        if (index < 0) {
+            index += val_arr.size();
+        }
+        if (index < 0 || static_cast<size_t>(index) >= val_arr.size()) {
+            return default_val;
+        }
+        return val_arr[index];
+    }
+    virtual value & at(int64_t index) {
+        if (index < 0) {
+            index += val_arr.size();
+        }
+        if (index < 0 || static_cast<size_t>(index) >= val_arr.size()) {
            throw std::runtime_error("Index " + std::to_string(index) + " out of bounds for array of size " + std::to_string(val_arr.size()));
        }
        return val_arr[index];