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-rw-r--r--xdiff/xdiffi.c47
1 files changed, 45 insertions, 2 deletions
diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c
index bd035139f9..380eb728ed 100644
--- a/xdiff/xdiffi.c
+++ b/xdiff/xdiffi.c
@@ -998,7 +998,7 @@ static int xdl_call_hunk_func(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
return 0;
}
-static void xdl_mark_ignorable(xdchange_t *xscr, xdfenv_t *xe, long flags)
+static void xdl_mark_ignorable_lines(xdchange_t *xscr, xdfenv_t *xe, long flags)
{
xdchange_t *xch;
@@ -1019,6 +1019,46 @@ static void xdl_mark_ignorable(xdchange_t *xscr, xdfenv_t *xe, long flags)
}
}
+static int record_matches_regex(xrecord_t *rec, xpparam_t const *xpp) {
+ regmatch_t regmatch;
+ int i;
+
+ for (i = 0; i < xpp->ignore_regex_nr; i++)
+ if (!regexec_buf(xpp->ignore_regex[i], rec->ptr, rec->size, 1,
+ &regmatch, 0))
+ return 1;
+
+ return 0;
+}
+
+static void xdl_mark_ignorable_regex(xdchange_t *xscr, const xdfenv_t *xe,
+ xpparam_t const *xpp)
+{
+ xdchange_t *xch;
+
+ for (xch = xscr; xch; xch = xch->next) {
+ xrecord_t **rec;
+ int ignore = 1;
+ long i;
+
+ /*
+ * Do not override --ignore-blank-lines.
+ */
+ if (xch->ignore)
+ continue;
+
+ rec = &xe->xdf1.recs[xch->i1];
+ for (i = 0; i < xch->chg1 && ignore; i++)
+ ignore = record_matches_regex(rec[i], xpp);
+
+ rec = &xe->xdf2.recs[xch->i2];
+ for (i = 0; i < xch->chg2 && ignore; i++)
+ ignore = record_matches_regex(rec[i], xpp);
+
+ xch->ignore = ignore;
+ }
+}
+
int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
xdemitconf_t const *xecfg, xdemitcb_t *ecb) {
xdchange_t *xscr;
@@ -1038,7 +1078,10 @@ int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
}
if (xscr) {
if (xpp->flags & XDF_IGNORE_BLANK_LINES)
- xdl_mark_ignorable(xscr, &xe, xpp->flags);
+ xdl_mark_ignorable_lines(xscr, &xe, xpp->flags);
+
+ if (xpp->ignore_regex)
+ xdl_mark_ignorable_regex(xscr, &xe, xpp);
if (ef(&xe, xscr, ecb, xecfg) < 0) {