#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;
}
}
-static int diff_grep(struct diff_filepair *p, regex_t *regexp, struct diff_options *o)
+static int diff_grep(struct diff_filepair *p, struct diff_options *o,
+ regex_t *regexp, kwset_t kws)
{
regmatch_t regmatch;
struct userdiff_driver *textconv_one = NULL;
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(®ex, o->pickaxe, REG_EXTENDED | REG_NEWLINE);
if (err) {
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, ®ex, o))
- goto out; /* do not munge the queue */
- }
+ pickaxe(&diff_queued_diff, o, ®ex, 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, ®ex, o))
- diff_q(&outq, p);
- else
- diff_free_filepair(p);
- }
- }
-
- free(q->queue);
- *q = outq;
-
- out:
regfree(®ex);
return;
}
-static unsigned int contains(struct diff_filespec *one,
- const char *needle, unsigned long len,
+static unsigned int contains(struct diff_filespec *one, struct diff_options *o,
regex_t *regexp, kwset_t kws)
{
unsigned int cnt;
unsigned long sz;
const char *data;
- if (!len)
+ if (!o->pickaxe[0])
return 0;
if (diff_populate_filespec(one, 0))
return 0;
} else { /* Classic exact string match */
while (sz) {
- size_t offset = kwsexec(kws, data, sz, NULL);
+ struct kwsmatch kwsm;
+ size_t offset = kwsexec(kws, data, sz, &kwsm);
const char *found;
if (offset == -1)
break;
else
found = data + offset;
- sz -= found - data + len;
- data = found + len;
+ sz -= found - data + kwsm.size[0];
+ data = found + kwsm.size[0];
cnt++;
}
}
return cnt;
}
-static int has_changes(struct diff_filepair *p, const char *needle,
- unsigned long len, regex_t *regexp, kwset_t kws)
+static int has_changes(struct diff_filepair *p, struct diff_options *o,
+ 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;
+ return contains(p->two, o, regexp, kws) != 0;
}
if (!DIFF_FILE_VALID(p->two))
- return contains(p->one, needle, len, regexp, kws) != 0;
+ return contains(p->one, o, regexp, kws) != 0;
if (!diff_unmodified_pair(p)) {
- return contains(p->one, needle, len, regexp, kws) !=
- contains(p->two, needle, len, regexp, kws);
+ return contains(p->one, o, regexp, kws) !=
+ contains(p->two, o, regexp, kws);
}
return 0;
}
{
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;
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, needle, len, 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, needle, len, 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(®ex);
else