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authorRené Scharfe <rene.scharfe@lsrfire.ath.cx>2011-10-06 18:50:28 +0200
committerJunio C Hamano <gitster@pobox.com>2011-10-07 15:46:14 -0700
commit8a94151d61eda539a3588f2ad009e0117867525f (patch)
tree6ae6284b47e91f7ae3416937068a262251581a63 /diffcore-pickaxe.c
parentdb99cb700098942d3fced9e5d8ec873aabe6e1ef (diff)
downloadgit-8a94151d61eda539a3588f2ad009e0117867525f.tar.gz
pickaxe: factor out pickaxers/pickaxe
Move the duplicate diff queue loop into its own function that accepts a match function: has_changes() for -S and diff_grep() for -G. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'diffcore-pickaxe.c')
-rw-r--r--diffcore-pickaxe.c110
1 files changed, 43 insertions, 67 deletions
diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c
index 226fa0c5ac..380a837b5b 100644
--- a/diffcore-pickaxe.c
+++ b/diffcore-pickaxe.c
@@ -8,6 +8,46 @@
#include "xdiff-interface.h"
#include "kwset.h"
+typedef int (*pickaxe_fn)(struct diff_filepair *p, struct diff_options *o, regex_t *regexp, kwset_t kws);
+
+static void pickaxe(struct diff_queue_struct *q, struct diff_options *o,
+ regex_t *regexp, kwset_t kws, pickaxe_fn fn)
+{
+ int i;
+ struct diff_queue_struct outq;
+
+ DIFF_QUEUE_CLEAR(&outq);
+
+ if (o->pickaxe_opts & DIFF_PICKAXE_ALL) {
+ /* Showing the whole changeset if needle exists */
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (fn(p, o, regexp, kws))
+ return; /* do not munge the queue */
+ }
+
+ /*
+ * Otherwise we will clear the whole queue by copying
+ * the empty outq at the end of this function, but
+ * first clear the current entries in the queue.
+ */
+ for (i = 0; i < q->nr; i++)
+ diff_free_filepair(q->queue[i]);
+ } else {
+ /* Showing only the filepairs that has the needle */
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (fn(p, o, regexp, kws))
+ diff_q(&outq, p);
+ else
+ diff_free_filepair(p);
+ }
+ }
+
+ free(q->queue);
+ *q = outq;
+}
+
struct diffgrep_cb {
regex_t *regexp;
int hit;
@@ -96,12 +136,8 @@ static int diff_grep(struct diff_filepair *p, struct diff_options *o,
static void diffcore_pickaxe_grep(struct diff_options *o)
{
- struct diff_queue_struct *q = &diff_queued_diff;
- int i, err;
+ int err;
regex_t regex;
- struct diff_queue_struct outq;
- outq.queue = NULL;
- outq.nr = outq.alloc = 0;
err = regcomp(&regex, o->pickaxe, REG_EXTENDED | REG_NEWLINE);
if (err) {
@@ -111,36 +147,8 @@ static void diffcore_pickaxe_grep(struct diff_options *o)
die("invalid log-grep regex: %s", errbuf);
}
- if (o->pickaxe_opts & DIFF_PICKAXE_ALL) {
- /* Showing the whole changeset if needle exists */
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (diff_grep(p, o, &regex, NULL))
- goto out; /* do not munge the queue */
- }
+ pickaxe(&diff_queued_diff, o, &regex, NULL, diff_grep);
- /*
- * Otherwise we will clear the whole queue by copying
- * the empty outq at the end of this function, but
- * first clear the current entries in the queue.
- */
- for (i = 0; i < q->nr; i++)
- diff_free_filepair(q->queue[i]);
- } else {
- /* Showing only the filepairs that has the needle */
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (diff_grep(p, o, &regex, NULL))
- diff_q(&outq, p);
- else
- diff_free_filepair(p);
- }
- }
-
- free(q->queue);
- *q = outq;
-
- out:
regfree(&regex);
return;
}
@@ -213,13 +221,9 @@ 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;
regex_t regex, *regexp = NULL;
kwset_t kws = NULL;
- struct diff_queue_struct outq;
- DIFF_QUEUE_CLEAR(&outq);
if (opts & DIFF_PICKAXE_REGEX) {
int err;
@@ -238,36 +242,8 @@ static void diffcore_pickaxe_count(struct diff_options *o)
kwsprep(kws);
}
- if (opts & DIFF_PICKAXE_ALL) {
- /* Showing the whole changeset if needle exists */
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (has_changes(p, o, regexp, kws))
- goto out; /* do not munge the queue */
- }
-
- /* otherwise we will clear the whole queue
- * by copying the empty outq at the end of this
- * function, but first clear the current entries
- * in the queue.
- */
- for (i = 0; i < q->nr; i++)
- diff_free_filepair(q->queue[i]);
- }
- else
- /* Showing only the filepairs that has the needle */
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (has_changes(p, o, regexp, kws))
- diff_q(&outq, p);
- else
- diff_free_filepair(p);
- }
-
- free(q->queue);
- *q = outq;
+ pickaxe(&diff_queued_diff, o, regexp, kws, has_changes);
- out:
if (opts & DIFF_PICKAXE_REGEX)
regfree(&regex);
else