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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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5
lib/src/clixon_yang.c
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@ -2054,6 +2054,10 @@ ys_populate_range(clicon_handle h,
if (yang_type_resolve(ys, ys, (yang_stmt*)yparent, &yrestype,
&options, NULL, NULL, NULL, &fraction_digits) < 0)
goto done;
if (yrestype == NULL){
clicon_err(OE_YANG, 0, "result-type should not be NULL");
goto done;
}
restype = yrestype?yrestype->ys_argument:NULL;
if (nodeid_split(yang_argument_get(yparent), NULL, &origtype) < 0)
goto done;
@ -2540,6 +2544,7 @@ ys_populate2(yang_stmt *ys,
break;
case Y_MANDATORY: /* call yang_mandatory() to check if set */
case Y_CONFIG:
case Y_REQUIRE_INSTANCE:
if (ys_parse(ys, CGV_BOOL) == NULL)
goto done;
break;