#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);
+typedef int (*pickaxe_fn)(mmfile_t *one, mmfile_t *two,
+ struct diff_options *o,
+ regex_t *regexp, kwset_t kws);
+
+static int pickaxe_match(struct diff_filepair *p, struct diff_options *o,
+ regex_t *regexp, kwset_t kws, pickaxe_fn fn);
static void pickaxe(struct diff_queue_struct *q, struct diff_options *o,
regex_t *regexp, kwset_t kws, pickaxe_fn fn)
/* 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))
+ if (pickaxe_match(p, o, regexp, kws, fn))
return; /* do not munge the queue */
}
/* 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))
+ if (pickaxe_match(p, o, regexp, kws, fn))
diff_q(&outq, p);
else
diff_free_filepair(p);
line[len] = hold;
}
-static void fill_one(struct diff_filespec *one,
- mmfile_t *mf, struct userdiff_driver **textconv)
-{
- if (DIFF_FILE_VALID(one)) {
- *textconv = get_textconv(one);
- mf->size = fill_textconv(*textconv, one, &mf->ptr);
- } else {
- memset(mf, 0, sizeof(*mf));
- }
-}
-
-static int diff_grep(struct diff_filepair *p, struct diff_options *o,
+static int diff_grep(mmfile_t *one, mmfile_t *two,
+ struct diff_options *o,
regex_t *regexp, kwset_t kws)
{
regmatch_t regmatch;
- struct userdiff_driver *textconv_one = NULL;
- struct userdiff_driver *textconv_two = NULL;
- mmfile_t mf1, mf2;
- int hit;
+ struct diffgrep_cb ecbdata;
+ xpparam_t xpp;
+ xdemitconf_t xecfg;
- if (diff_unmodified_pair(p))
- return 0;
+ if (!one)
+ return !regexec(regexp, two->ptr, 1, ®match, 0);
+ if (!two)
+ return !regexec(regexp, one->ptr, 1, ®match, 0);
- fill_one(p->one, &mf1, &textconv_one);
- fill_one(p->two, &mf2, &textconv_two);
-
- if (!mf1.ptr) {
- if (!mf2.ptr)
- return 0; /* ignore unmerged */
- /* created "two" -- does it have what we are looking for? */
- hit = !regexec(regexp, mf2.ptr, 1, ®match, 0);
- } else if (!mf2.ptr) {
- /* removed "one" -- did it have what we are looking for? */
- hit = !regexec(regexp, mf1.ptr, 1, ®match, 0);
- } else {
- /*
- * We have both sides; need to run textual diff and see if
- * the pattern appears on added/deleted lines.
- */
- struct diffgrep_cb ecbdata;
- xpparam_t xpp;
- xdemitconf_t xecfg;
-
- memset(&xpp, 0, sizeof(xpp));
- memset(&xecfg, 0, sizeof(xecfg));
- ecbdata.regexp = regexp;
- ecbdata.hit = 0;
- xecfg.ctxlen = o->context;
- xecfg.interhunkctxlen = o->interhunkcontext;
- xdi_diff_outf(&mf1, &mf2, diffgrep_consume, &ecbdata,
- &xpp, &xecfg);
- hit = ecbdata.hit;
- }
- if (textconv_one)
- free(mf1.ptr);
- if (textconv_two)
- free(mf2.ptr);
- return hit;
+ /*
+ * We have both sides; need to run textual diff and see if
+ * the pattern appears on added/deleted lines.
+ */
+ memset(&xpp, 0, sizeof(xpp));
+ memset(&xecfg, 0, sizeof(xecfg));
+ ecbdata.regexp = regexp;
+ ecbdata.hit = 0;
+ xecfg.ctxlen = o->context;
+ xecfg.interhunkctxlen = o->interhunkcontext;
+ xdi_diff_outf(one, two, diffgrep_consume, &ecbdata,
+ &xpp, &xecfg);
+ return ecbdata.hit;
}
static void diffcore_pickaxe_grep(struct diff_options *o)
return cnt;
}
-static int has_changes(struct diff_filepair *p, struct diff_options *o,
+static int has_changes(mmfile_t *one, mmfile_t *two,
+ struct diff_options *o,
regex_t *regexp, kwset_t kws)
{
- struct userdiff_driver *textconv_one = get_textconv(p->one);
- struct userdiff_driver *textconv_two = get_textconv(p->two);
+ if (!one)
+ return contains(two, o, regexp, kws) != 0;
+ if (!two)
+ return contains(one, o, regexp, kws) != 0;
+ return contains(one, o, regexp, kws) != contains(two, o, regexp, kws);
+}
+
+static int pickaxe_match(struct diff_filepair *p, struct diff_options *o,
+ regex_t *regexp, kwset_t kws, pickaxe_fn fn)
+{
+ struct userdiff_driver *textconv_one = NULL;
+ struct userdiff_driver *textconv_two = NULL;
mmfile_t mf1, mf2;
int ret;
if (!o->pickaxe[0])
return 0;
+ /* ignore unmerged */
+ if (!DIFF_FILE_VALID(p->one) && !DIFF_FILE_VALID(p->two))
+ return 0;
+
+ if (DIFF_OPT_TST(o, ALLOW_TEXTCONV)) {
+ textconv_one = get_textconv(p->one);
+ textconv_two = get_textconv(p->two);
+ }
+
/*
* If we have an unmodified pair, we know that the count will be the
* same and don't even have to load the blobs. Unless textconv is in
if (textconv_one == textconv_two && diff_unmodified_pair(p))
return 0;
- fill_one(p->one, &mf1, &textconv_one);
- fill_one(p->two, &mf2, &textconv_two);
+ mf1.size = fill_textconv(textconv_one, p->one, &mf1.ptr);
+ mf2.size = fill_textconv(textconv_two, p->two, &mf2.ptr);
- if (!mf1.ptr) {
- if (!mf2.ptr)
- ret = 0; /* ignore unmerged */
- /* created */
- ret = contains(&mf2, o, regexp, kws) != 0;
- }
- else if (!mf2.ptr) /* removed */
- ret = contains(&mf1, o, regexp, kws) != 0;
- else
- ret = contains(&mf1, o, regexp, kws) !=
- contains(&mf2, o, regexp, kws);
+ ret = fn(DIFF_FILE_VALID(p->one) ? &mf1 : NULL,
+ DIFF_FILE_VALID(p->two) ? &mf2 : NULL,
+ o, regexp, kws);
if (textconv_one)
free(mf1.ptr);