1 files changed, 37 insertions, 0 deletions
diff --git a/rust/src/detect/error.rs b/rust/src/detect/error.rs
new file mode 100644
index 0000000..4959e2c
--- /dev/null
+++ b/rust/src/detect/error.rs
@@ -0,0 +1,37 @@
+/* Copyright (C) 2022 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use nom7::error::{ErrorKind, ParseError};
+
+/// Custom rule parse errors.
+///
+/// Implemented based on the Nom example for implementing custom errors.
+#[derive(Debug, PartialEq, Eq)]
+pub enum RuleParseError<I> {
+    InvalidByteMath(String),
+
+    Nom(I, ErrorKind),
+}
+impl<I> ParseError<I> for RuleParseError<I> {
+    fn from_error_kind(input: I, kind: ErrorKind) -> Self {
+        RuleParseError::Nom(input, kind)
+    }
+
+    fn append(_: I, _: ErrorKind, other: Self) -> Self {
+        other
+    }
+}