Introduce filter_refs() which will act as an API for users to
call and provide a function which will iterate over a set of refs
while filtering out the required refs.
Currently this will wrap around ref_filter_handler(). Hence,
ref_filter_handler is made file scope static.
Helped-by: Junio C Hamano <gitster@xxxxxxxxx>
Mentored-by: Christian Couder <christian.couder@xxxxxxxxx>
Mentored-by: Matthieu Moy <matthieu.moy@xxxxxxxxxxxxxxx>
Signed-off-by: Karthik Nayak <karthik.188@xxxxxxxxx>
---
ref-filter.c | 12 +++++++++++-
ref-filter.h | 8 ++++++--
2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/ref-filter.c b/ref-filter.c
index ece16a1..886c3d7 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -858,7 +858,7 @@ static struct ref_array_item *new_ref_array_item(const char *refname,
* A call-back given to for_each_ref(). Filter refs and keep them for
* later object processing.
*/
-int ref_filter_handler(const char *refname, const struct object_id *oid, int flag, void *cb_data)
+static int ref_filter_handler(const char *refname, const struct object_id *oid, int flag, void *cb_data)
{
struct ref_filter_cbdata *ref_cbdata = cb_data;
struct ref_filter *filter = &ref_cbdata->filter;
@@ -904,6 +904,16 @@ void ref_array_clear(struct ref_array *array)
array->nr = array->alloc = 0;
}
+/*
+ * API for filtering a set of refs. The refs are provided and iterated
+ * over using the for_each_ref_fn(). The refs are stored into and filtered
+ * based on the ref_filter_cbdata structure.
+ */
+int filter_refs(int (for_each_ref_fn)(each_ref_fn, void *), struct ref_filter_cbdata *data)
+{
+ return for_each_ref_fn(ref_filter_handler, data);
+}
+
static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, struct ref_array_item *b)
{
struct atom_value *va, *vb;
diff --git a/ref-filter.h b/ref-filter.h
index c2c5d37..15e6766 100644
--- a/ref-filter.h
+++ b/ref-filter.h
@@ -46,8 +46,12 @@ struct ref_filter_cbdata {
struct ref_filter filter;
};
-/* Callback function for for_each_*ref(). This filters the refs based on the filters set */
-int ref_filter_handler(const char *refname, const struct object_id *oid, int flag, void *cb_data);
+/*
+ * API for filtering a set of refs. The refs are provided and iterated
+ * over using the for_each_ref_fn(). The refs are stored into and filtered
+ * based on the ref_filter_cbdata structure.
+ */
+int filter_refs(int (for_each_ref_fn)(each_ref_fn, void *), struct ref_filter_cbdata *data);
/* Clear all memory allocated to ref_array */
void ref_array_clear(struct ref_array *array);
/* Parse format string and sort specifiers */
--
2.4.2
--
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