experiments/clixon
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

commit xpath

Browse source
This commit is contained in:
Olof hagsand 2016-02-24 21:16:15 +01:00
parent 554c1cb9de
commit 9bd941ab76
14 changed files with 306 additions and 130 deletions
Download patch file Download diff file Expand all files Collapse all files

40
lib/src/clicon_xml.c
View file

@ -36,6 +36,7 @@
/* clicon */
#include "clicon_err.h"
#include "clicon_log.h"
#include "clicon_queue.h"
#include "clicon_chunk.h"
#include "clicon_xml.h"
@ -998,7 +999,7 @@ cxvec_append(cxobj *x,
return retval;
}
/*! Apply a function call recursively on all xml node recursively
/*! Apply a function call recursively on all xml node children recursively
* Recursively traverse all xml nodes in a parse-tree and apply fn(arg) for
* each object found. The function is called with the xml node and an
* argument as args.
@ -1037,3 +1038,40 @@ xml_apply(cxobj *xn,
done:
return retval;
}
/*! Apply a function call recursively on all ancestors
* Recursively traverse upwards to all ancestor nodes in a parse-tree and apply fn(arg) for
* each object found. The function is called with the xml node and an
* argument as args.
* @param[in] xn XML node
* @param[in] fn Callback
* @param[in] arg Argument
* @code
* int x_fn(cxobj *x, void *arg)
* {
* return 0;
* }
* xml_apply_ancestor(xn, x_fn, NULL);
* @endcode
* @see xml_apply
* @note do not delete or move around any children during this function
* @note It does not apply fn to the root node,..
*/
int
xml_apply_ancestor(cxobj *xn,
xml_applyfn_t fn,
void *arg)
{
int retval = -1;
cxobj *xp = NULL;
while ((xp = xml_parent(xn)) != NULL) {
if (fn(xp, arg) < 0)
goto done;
if (xml_apply_ancestor(xp, fn, arg) < 0)
goto done;
}
retval = 0;
done:
return retval;
}