#include "diffcore.h"
#include "xdiff-interface.h"
#include "kwset.h"
+#include "commit.h"
+#include "quote.h"
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)
-{
- 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 (pickaxe_match(p, o, regexp, kws, fn))
- 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 (pickaxe_match(p, o, regexp, kws, fn))
- diff_q(&outq, p);
- else
- diff_free_filepair(p);
- }
- }
-
- free(q->queue);
- *q = outq;
-}
-
struct diffgrep_cb {
regex_t *regexp;
int hit;
ecbdata.hit = 0;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
- xdi_diff_outf(one, two, diffgrep_consume, &ecbdata,
- &xpp, &xecfg);
+ if (xdi_diff_outf(one, two, diffgrep_consume, &ecbdata, &xpp, &xecfg))
+ return 0;
return ecbdata.hit;
}
-static void diffcore_pickaxe_grep(struct diff_options *o)
-{
- int err;
- regex_t regex;
- int cflags = REG_EXTENDED | REG_NEWLINE;
-
- if (DIFF_OPT_TST(o, PICKAXE_IGNORE_CASE))
- cflags |= REG_ICASE;
-
- err = regcomp(®ex, o->pickaxe, cflags);
- if (err) {
- char errbuf[1024];
- regerror(err, ®ex, errbuf, 1024);
- regfree(®ex);
- die("invalid regex: %s", errbuf);
- }
-
- pickaxe(&diff_queued_diff, o, ®ex, NULL, diff_grep);
-
- regfree(®ex);
- return;
-}
-
static unsigned int contains(mmfile_t *mf, regex_t *regexp, kwset_t kws)
{
unsigned int cnt;
while (sz) {
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 + kwsm.size[0];
- data = found + kwsm.size[0];
+ sz -= offset + kwsm.size[0];
+ data += offset + kwsm.size[0];
cnt++;
}
}
return ret;
}
-static void diffcore_pickaxe_count(struct diff_options *o)
+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 (pickaxe_match(p, o, regexp, kws, fn))
+ 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 (pickaxe_match(p, o, regexp, kws, fn))
+ diff_q(&outq, p);
+ else
+ diff_free_filepair(p);
+ }
+ }
+
+ free(q->queue);
+ *q = outq;
+}
+
+static void regcomp_or_die(regex_t *regex, const char *needle, int cflags)
+{
+ int err = regcomp(regex, needle, cflags);
+ if (err) {
+ /* The POSIX.2 people are surely sick */
+ char errbuf[1024];
+ regerror(err, regex, errbuf, 1024);
+ regfree(regex);
+ die("invalid regex: %s", errbuf);
+ }
+}
+
+void diffcore_pickaxe(struct diff_options *o)
{
const char *needle = o->pickaxe;
int opts = o->pickaxe_opts;
- unsigned long len = strlen(needle);
regex_t regex, *regexp = NULL;
kwset_t kws = NULL;
- if (opts & DIFF_PICKAXE_REGEX) {
- int err;
- err = regcomp(®ex, needle, REG_EXTENDED | REG_NEWLINE);
- if (err) {
- /* The POSIX.2 people are surely sick */
- char errbuf[1024];
- regerror(err, ®ex, errbuf, 1024);
- regfree(®ex);
- die("invalid regex: %s", errbuf);
- }
+ if (opts & (DIFF_PICKAXE_REGEX | DIFF_PICKAXE_KIND_G)) {
+ int cflags = REG_EXTENDED | REG_NEWLINE;
+ if (DIFF_OPT_TST(o, PICKAXE_IGNORE_CASE))
+ cflags |= REG_ICASE;
+ regcomp_or_die(®ex, needle, cflags);
+ regexp = ®ex;
+ } else if (DIFF_OPT_TST(o, PICKAXE_IGNORE_CASE) &&
+ has_non_ascii(needle)) {
+ struct strbuf sb = STRBUF_INIT;
+ int cflags = REG_NEWLINE | REG_ICASE;
+
+ basic_regex_quote_buf(&sb, needle);
+ regcomp_or_die(®ex, sb.buf, cflags);
+ strbuf_release(&sb);
regexp = ®ex;
} else {
kws = kwsalloc(DIFF_OPT_TST(o, PICKAXE_IGNORE_CASE)
? tolower_trans_tbl : NULL);
- kwsincr(kws, needle, len);
+ kwsincr(kws, needle, strlen(needle));
kwsprep(kws);
}
- pickaxe(&diff_queued_diff, o, regexp, kws, has_changes);
+ /* Might want to warn when both S and G are on; I don't care... */
+ pickaxe(&diff_queued_diff, o, regexp, kws,
+ (opts & DIFF_PICKAXE_KIND_G) ? diff_grep : has_changes);
- if (opts & DIFF_PICKAXE_REGEX)
- regfree(®ex);
+ if (regexp)
+ regfree(regexp);
else
kwsfree(kws);
return;
}
-
-void diffcore_pickaxe(struct diff_options *o)
-{
- /* Might want to warn when both S and G are on; I don't care... */
- if (o->pickaxe_opts & DIFF_PICKAXE_KIND_G)
- diffcore_pickaxe_grep(o);
- else
- diffcore_pickaxe_count(o);
-}