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pickaxe: factor out has_changes

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Move duplicate if/else construct into its own helper function.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2011-10-06 18:26:24 +02:00 committed by Junio C Hamano
parent 8e854b00d8
commit 15dafaf80d
1 changed files with 21 additions and 36 deletions
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57
diffcore-pickaxe.c
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@ -190,13 +190,31 @@ static unsigned int contains(struct diff_filespec *one,
return cnt;
}
static int has_changes(struct diff_filepair *p, const char *needle,
unsigned long len, regex_t *regexp, kwset_t kws)
{
if (!DIFF_FILE_VALID(p->one)) {
if (!DIFF_FILE_VALID(p->two))
return 0; /* ignore unmerged */
/* created */
return contains(p->two, needle, len, regexp, kws) != 0;
}
if (!DIFF_FILE_VALID(p->two))
return contains(p->one, needle, len, regexp, kws) != 0;
if (!diff_unmodified_pair(p)) {
return contains(p->one, needle, len, regexp, kws) !=
contains(p->two, needle, len, regexp, kws);
}
return 0;
}
static void diffcore_pickaxe_count(struct diff_options *o)
{
const char *needle = o->pickaxe;
int opts = o->pickaxe_opts;
struct diff_queue_struct *q = &diff_queued_diff;
unsigned long len = strlen(needle);
int i, has_changes;
int i;
regex_t regex, *regexp = NULL;
kwset_t kws = NULL;
struct diff_queue_struct outq;
@ -223,22 +241,7 @@ static void diffcore_pickaxe_count(struct diff_options *o)
/* Showing the whole changeset if needle exists */
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
if (!DIFF_FILE_VALID(p->one)) {
if (!DIFF_FILE_VALID(p->two))
continue; /* ignore unmerged */
/* created */
if (contains(p->two, needle, len, regexp, kws))
has_changes++;
}
else if (!DIFF_FILE_VALID(p->two)) {
if (contains(p->one, needle, len, regexp, kws))
has_changes++;
}
else if (!diff_unmodified_pair(p) &&
contains(p->one, needle, len, regexp, kws) !=
contains(p->two, needle, len, regexp, kws))
has_changes++;
if (has_changes)
if (has_changes(p, needle, len, regexp, kws))
goto out; /* do not munge the queue */
}
@ -254,25 +257,7 @@ static void diffcore_pickaxe_count(struct diff_options *o)
/* Showing only the filepairs that has the needle */
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
has_changes = 0;
if (!DIFF_FILE_VALID(p->one)) {
if (!DIFF_FILE_VALID(p->two))
; /* ignore unmerged */
/* created */
else if (contains(p->two, needle, len, regexp,
kws))
has_changes = 1;
}
else if (!DIFF_FILE_VALID(p->two)) {
if (contains(p->one, needle, len, regexp, kws))
has_changes = 1;
}
else if (!diff_unmodified_pair(p) &&
contains(p->one, needle, len, regexp, kws) !=
contains(p->two, needle, len, regexp, kws))
has_changes = 1;
if (has_changes)
if (has_changes(p, needle, len, regexp, kws))
diff_q(&outq, p);
else
diff_free_filepair(p);