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-rw-r--r--NEWS2
-rw-r--r--URPM.pm6
-rw-r--r--URPM.xs43
3 files changed, 51 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index 4719b89..51d2efc 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+- add traverse_tag_find()
+
Version 3.16 - 26 June 2008, by Pascal "Pixel" Rigaux
- when not selecting a package because already installed,
diff --git a/URPM.pm b/URPM.pm
index d9630be..63f7de2 100644
--- a/URPM.pm
+++ b/URPM.pm
@@ -453,6 +453,12 @@ $names is a reference to an array, holding the acceptable values of the said
tag for the searched variables.
Then, $callback is called for each matching package in the DB.
+=item $db->traverse_tag_find($tag,$name,$callback)
+
+Quite similar to C<traverse_tag>, but stops when $callback returns true.
+
+(also note that only one $name is handled)
+
=item $db->create_transaction($prefix)
Creates and returns a new transaction (an C<URPM::Transaction> object) on the
diff --git a/URPM.xs b/URPM.xs
index 5a30d22..679bede 100644
--- a/URPM.xs
+++ b/URPM.xs
@@ -2921,6 +2921,49 @@ Db_traverse_tag(db,tag,names,callback)
OUTPUT:
RETVAL
+int
+Db_traverse_tag_find(db,tag,name,callback)
+ URPM::DB db
+ char *tag
+ char *name
+ SV *callback
+ PREINIT:
+ Header header;
+ rpmdbMatchIterator mi;
+ CODE:
+ int rpmtag = rpmtag_from_string(tag);
+ int found = 0;
+
+ db->ts = rpmtsLink(db->ts, "URPM::DB::traverse_tag");
+ ts_nosignature(db->ts);
+ mi = rpmtsInitIterator(db->ts, rpmtag, name, 0);
+ while ((header = rpmdbNextIterator(mi))) {
+ dSP;
+ URPM__Package pkg = calloc(1, sizeof(struct s_Package));
+
+ pkg->flag = FLAG_ID_INVALID | FLAG_NO_HEADER_FREE;
+ pkg->h = header;
+
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(sv_setref_pv(newSVpv("", 0), "URPM::Package", pkg)));
+ PUTBACK;
+
+ int count = call_sv(callback, G_SCALAR);
+
+ SPAGAIN;
+ pkg->h = 0; /* avoid using it anymore, in case it has been copied inside callback */
+
+ if (count == 1 && POPi) {
+ found = 1;
+ break;
+ }
+ }
+ rpmdbFreeIterator(mi);
+ rpmtsFree(db->ts);
+ RETVAL = found;
+ OUTPUT:
+ RETVAL
+
URPM::Transaction
Db_create_transaction(db, prefix="/")
URPM::DB db