extensions CHANGE base for substatements support in extension instances
Proof of concept on Metadata annotation implementation. So far just some
of the structures, function stubs and the process framework. functions to
convert extension's substatements to lysp structures are still missing.
diff --git a/src/plugins_exts_metadata.h b/src/plugins_exts_metadata.h
new file mode 100644
index 0000000..653a5f1
--- /dev/null
+++ b/src/plugins_exts_metadata.h
@@ -0,0 +1,39 @@
+/**
+ * @file plugins_exts_metadata.h
+ * @author Radek Krejci <rkrejci@cesnet.cz>
+ * @brief ietf-yang-metadata API
+ *
+ * Copyright (c) 2019 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ */
+
+#ifndef LY_PLUGINS_EXTS_METADATA_H_
+#define LY_PLUGINS_EXTS_METADATA_H_
+
+#include "tree_schema.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Representation of the compiled metadata substatements as provided by libyang 2 metadata extension plugin.
+ */
+struct lyext_metadata {
+ struct lysc_type *type; /**< type of the metadata (mandatory) */
+ const char *units; /**< units of the leaf's type */
+ struct lysc_iffeature *iffeatures; /**< list of if-feature expressions ([sized array](@ref sizedarrays)) */
+ uint16_t flags; /**< [schema node flags](@ref snodeflags) - only LYS_STATUS_* values are allowed */
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LY_PLUGINS_EXTS_METADATA_H_ */