Enlightenment CVS committal
Author : rephorm
Project : e17
Module : libs/ecore
Dir : e17/libs/ecore/src/lib/ecore
Modified Files:
Ecore_Data.h ecore_list.c
Log Message:
add ecore_list_find() to find a data node via a compare callback
===================================================================
RCS file: /cvs/e/e17/libs/ecore/src/lib/ecore/Ecore_Data.h,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -3 -r1.24 -r1.25
--- Ecore_Data.h 5 Nov 2006 16:42:30 -0000 1.24
+++ Ecore_Data.h 28 Dec 2006 03:30:11 -0000 1.25
@@ -113,6 +113,8 @@
/* Traversing the list and returning data */
EAPI void *ecore_list_next(Ecore_List * list);
+ EAPI void *ecore_list_find(Ecore_List *list, Ecore_Compare_Cb function,
+ void *user_data);
/* Check to see if there is any data in the list */
EAPI int ecore_list_is_empty(Ecore_List * list);
===================================================================
RCS file: /cvs/e/e17/libs/ecore/src/lib/ecore/ecore_list.c,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -3 -r1.24 -r1.25
--- ecore_list.c 25 Jul 2006 12:44:19 -0000 1.24
+++ ecore_list.c 28 Dec 2006 03:30:11 -0000 1.25
@@ -25,6 +25,7 @@
/* Iterative function */
static int _ecore_list_for_each(Ecore_List *list, Ecore_For_Each function,
void *user_data);
+static void *_ecore_list_find(Ecore_List *list, Ecore_Compare_Cb function,
void *user_data);
/* Private double linked list functions */
static void *_ecore_dlist_previous(Ecore_DList * list);
@@ -1018,6 +1019,35 @@
function(value, user_data);
return TRUE;
+}
+
+/**
+ * Find data in @p list using the compare function @p func
+ * @param list The list.
+ * @param function The function to test each node of @p list with
+ * @param user_data Data to match against (used by @p function)
+ * @return the first matching data node, or NULL if none match
+ */
+EAPI void *
+ecore_list_find(Ecore_List *list, Ecore_Compare_Cb function, void *user_data)
+{
+ CHECK_PARAM_POINTER_RETURN("list", list, NULL);
+
+ return _ecore_list_find(list, function, user_data);
+}
+
+/* The real meat of finding a node via a compare cb */
+static void *
+_ecore_list_find(Ecore_List *list, Ecore_Compare_Cb function, void *user_data)
+{
+ void *value;
+ if (!list || !function) return NULL;
+
+ _ecore_list_goto_first(list);
+ while ((value = _ecore_list_next(list)) != NULL)
+ if (!function(value, user_data)) return value;
+
+ return NULL;
}
/* Initialize a node to starting values */
-------------------------------------------------------------------------
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