libdocument: Add length and nth methods to EvMappingList

donald · Jan 17, 2013 · 19db23a · 19db23a
1 parent 751df48
commit 19db23a
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Showing 2 changed files with 20 additions and 0 deletions.
diff --git a/libdocument/ev-mapping-list.c b/libdocument/ev-mapping-list.c
@@ -60,6 +60,15 @@ ev_mapping_list_find_custom (EvMappingList *mapping_list,
 	return NULL;
 }
 
+EvMapping *
+ev_mapping_list_nth (EvMappingList *mapping_list,
+                     guint          n)
+{
+        g_return_val_if_fail (mapping_list != NULL, NULL);
+
+        return (EvMapping *)g_list_nth_data (mapping_list->list, n);
+}
+
 gpointer
 ev_mapping_list_get_data (EvMappingList *mapping_list,
 			  gdouble        x,
@@ -93,6 +102,14 @@ ev_mapping_list_get_page (EvMappingList *mapping_list)
 	return mapping_list->page;
 }
 
+guint
+ev_mapping_list_length (EvMappingList *mapping_list)
+{
+        g_return_val_if_fail (mapping_list != NULL, 0);
+
+        return g_list_length (mapping_list->list);
+}
+
 EvMappingList *
 ev_mapping_list_new (guint          page,
 		     GList         *list,

diff --git a/libdocument/ev-mapping-list.h b/libdocument/ev-mapping-list.h
@@ -47,6 +47,9 @@ EvMapping     *ev_mapping_list_find_custom (EvMappingList *mapping_list,
 gpointer       ev_mapping_list_get_data    (EvMappingList *mapping_list,
 					    gdouble        x,
 					    gdouble        y);
+EvMapping     *ev_mapping_list_nth         (EvMappingList *mapping_list,
+                                            guint          n);
+guint          ev_mapping_list_length      (EvMappingList *mapping_list);
 
 G_END_DECLS