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* Fixed: [when condition error under augment in restconf #227](https://github.com/clicon/clixon/issues/227)

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* As part of this fix added custom constant XML_PARENT_CANDIDATE
This commit is contained in:
Olof hagsand 2021-05-25 15:21:45 +02:00
parent 5b39418e92
commit 1ef7a280d7
8 changed files with 178 additions and 31 deletions
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25
include/clixon_custom.h
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@ -83,13 +83,32 @@
*/
#define STATE_ORDERED_BY_SYSTEM
/* Top-symbol in clixon datastores
/*! Top-symbol in clixon datastores
* This is traditionally same as NETCONF_INPUT_CONFIG ("config") but can be different
* If you change this, you need to change test shell variable in lib.sh: DATASTORE_TOP
* Consider making this an option or configure option
* Consider making this an option (but this has bootstrap problems) or configure option
*/
#define DATASTORE_TOP_SYMBOL "config"
/* Name of default netns for clixon-restconf.yang socket/namespace field
/*! Name of default netns for clixon-restconf.yang socket/namespace field
* Restconf allows opening sockets in different network namespaces. This is teh name of
* "host"/"default" namespace. Unsure what to really label this but seems like there is differing
* consensus on how to label it.
* Either find that proper label, or move it to a option
*/
#define RESTCONF_NETNS_DEFAULT "default"
/*! Set a temporary parent for use in special case "when" xpath calls
* Problem is when changing an existing (candidate) in-memory datastore that yang "when" conditionals
* should be changed in clixon_datastore_write.c:text_modify().
* Problem is that the tree is in an intermediate state so that a when condition may not see the
* full context.
* More specifically, new nodes (x0) are created without hooking them into the existing parent (x0p)
* and thus an xpath on the form ".."/PARENT may not be evaluated as they should. x0 is eventually
* added to its parent but then it is more difficult to check trhe when condition.
* This fix add the parent x0p as a "candidate" so that the xpath-eval function can use it as
* an alernative if it exists.
* Note although this solves many usecases involving parents and absolute paths, itstill does not
* solve all usecases, such as absolute usecases where the added node is looked for
*/
#define XML_PARENT_CANDIDATE