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add xmpp_stanza_get_child_by_path()

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... to provide an easier way to find long paths.

After looking at some code in profanity-im/profanity#1605 I thought this
could help to make libstrophe-user code easier to write (and read).

Initially it started off as `xmpp_stanza_get_child_by_xpath()` but then
I was annoyed when it came to handling all those potential corner cases
like e.g. escaping URL's in the ns ... so here we go with a
vararg approach :)

Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
This commit is contained in:
Steffen Jaeckel
2021-12-01 15:55:35 +01:00
parent b0631e322f
commit 28f3ce19b8
4 changed files with 140 additions and 0 deletions
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strophe.h
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@@ -406,6 +406,9 @@ xmpp_stanza_t *xmpp_stanza_get_child_by_ns(xmpp_stanza_t *stanza,
xmpp_stanza_t *xmpp_stanza_get_child_by_name_and_ns(xmpp_stanza_t *stanza,
const char *name,
const char *ns);
/* helper macro for names with a namespace */
#define XMPP_STANZA_NAME_IN_NS(name, ns) name "[@ns='" ns "']"
xmpp_stanza_t *xmpp_stanza_get_child_by_path(xmpp_stanza_t *stanza, ...);
xmpp_stanza_t *xmpp_stanza_get_next(xmpp_stanza_t *stanza);
int xmpp_stanza_add_child(xmpp_stanza_t *stanza, xmpp_stanza_t *child);
int xmpp_stanza_add_child_ex(xmpp_stanza_t *stanza,