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* YANG Leafref feature update

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* Closer adherence to RFC 7950. Some of this is changed behavior, some is new feature.
  * Essentially instead of looking at the referring leaf, context is referred(target) node
  * Validation uses referred node
    * Validation changed to use type of referred node, instead of just "string"
  * Auto-cli
    * Changed to use type of referred node for typecheck
    * Completion uses referred node
  * Required instance / less strict validation
    * New: Leafrefs must refer to existing data leaf ONLY IF YANG `required-instance` is true
    * Previous: All leafrefs must refer to existing data leaf node
* Fixed: [Autocli does not offer completions for leafref to identityref #254](https://github.com/clicon/clixon/issues/254)
This commit is contained in:
Olof hagsand 2021-08-16 13:57:51 +02:00
parent 8db716ca07
commit 980718178a
18 changed files with 1151 additions and 115 deletions
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1
lib/clixon/clixon.h.in
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@ -101,6 +101,7 @@ extern "C" {
#include <clixon/clixon_xpath_ctx.h>
#include <clixon/clixon_xpath.h>
#include <clixon/clixon_xpath_optimize.h>
#include <clixon/clixon_xpath_yang.h>
#include <clixon/clixon_json.h>
#include <clixon/clixon_nacm.h>
#include <clixon/clixon_xml_changelog.h>

47
lib/clixon/clixon_xpath_yang.h Normal file
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@ -0,0 +1,47 @@
/*
*
***** BEGIN LICENSE BLOCK *****
Copyright (C) 2017-2019 Olof Hagsand
Copyright (C) 2020-2021 Olof Hagsand and Rubicon Communications, LLC (Netgate)
This file is part of CLIXON.
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.
Alternatively, the contents of this file may be used under the terms of
the GNU General Public License Version 3 or later (the "GPL"),
in which case the provisions of the GPL are applicable instead
of those above. If you wish to allow use of your version of this file only
under the terms of the GPL, and not to allow others to
use your version of this file under the terms of Apache License version 2,
indicate your decision by deleting the provisions above and replace them with
the notice and other provisions required by the GPL. If you do not delete
the provisions above, a recipient may use your version of this file under
the terms of any one of the Apache License version 2 or the GPL.
***** END LICENSE BLOCK *****
* Clixon XML XPATH 1.0 according to https://www.w3.org/TR/xpath-10
* Note: for YANG which is constrained to path-arg as defined in rfc7950
* See: clixon_xpath.[ch] for full XML XPATH implementation
*/
#ifndef _CLIXON_XPATH_YANG_H
#define _CLIXON_XPATH_YANG_H
/*
* Prototypes
*/
int yang_path_arg(yang_stmt *ys, const char *xpath, yang_stmt **yref);
#endif /* _CLIXON_XPATH_YANG_H */