Add dataiterator_final_{solvable,repo} functions

Those are needed by libzypp. They tell the dataiterator that it
should stay in the solvable/repository.

Author: mlschroe

src/dataiterator.h

@@ -179,10 +179,12 @@ void dataiterator_setpos(Dataiterator *di);
 void dataiterator_setpos_parent(Dataiterator *di);
 int  dataiterator_match(Dataiterator *di, Datamatcher *ma);
 void dataiterator_skip_attribute(Dataiterator *di);
-void dataiterator_skip_solvable(Dataiterator *di);
 void dataiterator_skip_repo(Dataiterator *di);
-void dataiterator_jump_to_solvid(Dataiterator *di, Id solvid);
+void dataiterator_skip_solvable(Dataiterator *di);
+void dataiterator_final_repo(Dataiterator *di);
+void dataiterator_final_solvable(Dataiterator *di);
 void dataiterator_jump_to_repo(Dataiterator *di, Repo *repo);
+void dataiterator_jump_to_solvid(Dataiterator *di, Id solvid);
 void dataiterator_entersub(Dataiterator *di);
 void dataiterator_clonepos(Dataiterator *di, Dataiterator *from);
 void dataiterator_seek(Dataiterator *di, int whence);

src/libsolv.ver

@@ -2,6 +2,8 @@ SOLV_1.0 {
 	global:
 		dataiterator_clonepos;
 		dataiterator_entersub;
+		dataiterator_final_repo;
+		dataiterator_final_solvable;
 		dataiterator_free;
 		dataiterator_init;
 		dataiterator_init_clone;

src/repodata.c

@@ -2143,6 +2143,19 @@ dataiterator_skip_repo(Dataiterator *di)
   di->state = di_nextrepo;
 }
 
+void
+dataiterator_final_solvable(Dataiterator *di)
+{
+  di->flags |= SEARCH_THISSOLVID;
+  di->repoid = 0;
+}
+
+void
+dataiterator_final_repo(Dataiterator *di)
+{
+  di->repoid = 0;
+}
+
 void
 dataiterator_jump_to_solvid(Dataiterator *di, Id solvid)
 {