1 files changed, 55 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/filter_nest/nest.h b/src/fluent-bit/plugins/filter_nest/nest.h
new file mode 100644
index 000000000..47c35ee1e
--- /dev/null
+++ b/src/fluent-bit/plugins/filter_nest/nest.h
@@ -0,0 +1,55 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2015-2022 The Fluent Bit Authors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef FLB_FILTER_NEST_H
+#define FLB_FILTER_NEST_H
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_filter.h>
+
+enum FILTER_NEST_OPERATION {
+  NEST,
+  LIFT
+};
+
+struct filter_nest_ctx
+{
+    enum FILTER_NEST_OPERATION operation;
+    char *key;
+    int key_len;
+    char *prefix;
+    int prefix_len;
+    // nest
+    struct mk_list wildcards;
+    int wildcards_cnt;
+    bool remove_prefix;
+    // lift
+    bool add_prefix;
+    struct flb_filter_instance *ins;
+};
+
+struct filter_nest_wildcard
+{
+    char *key;
+    int key_len;
+    bool key_is_dynamic;
+    struct mk_list _head;
+};
+
+#endif