diff: factor out match_filter()
diffcore_apply_filter() checks if a filepair matches the filter
given with the "--diff-filter" option for each input filepairs with
a fairly complex expression in two places.
Create a helper function and call it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/diff.c b/diff.c
index 41c64f2..0220c19 100644
--- a/diff.c
+++ b/diff.c
@@ -4509,6 +4509,17 @@
}
}
+static int match_filter(const struct diff_options *options, const struct diff_filepair *p)
+{
+ return (((p->status == DIFF_STATUS_MODIFIED) &&
+ ((p->score &&
+ strchr(options->filter, DIFF_STATUS_FILTER_BROKEN)) ||
+ (!p->score &&
+ strchr(options->filter, DIFF_STATUS_MODIFIED)))) ||
+ ((p->status != DIFF_STATUS_MODIFIED) &&
+ strchr(options->filter, p->status)));
+}
+
static void diffcore_apply_filter(struct diff_options *options)
{
int i;
@@ -4524,14 +4535,7 @@
if (strchr(filter, DIFF_STATUS_FILTER_AON)) {
int found;
for (i = found = 0; !found && i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (((p->status == DIFF_STATUS_MODIFIED) &&
- ((p->score &&
- strchr(filter, DIFF_STATUS_FILTER_BROKEN)) ||
- (!p->score &&
- strchr(filter, DIFF_STATUS_MODIFIED)))) ||
- ((p->status != DIFF_STATUS_MODIFIED) &&
- strchr(filter, p->status)))
+ if (match_filter(options, q->queue[i]))
found++;
}
if (found)
@@ -4549,14 +4553,7 @@
/* Only the matching ones */
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
-
- if (((p->status == DIFF_STATUS_MODIFIED) &&
- ((p->score &&
- strchr(filter, DIFF_STATUS_FILTER_BROKEN)) ||
- (!p->score &&
- strchr(filter, DIFF_STATUS_MODIFIED)))) ||
- ((p->status != DIFF_STATUS_MODIFIED) &&
- strchr(filter, p->status)))
+ if (match_filter(options, p))
diff_q(&outq, p);
else
diff_free_filepair(p);
