vis: refactor selections_match_next

A lot of code from selections_match_next was duplicated in
selections_match_next_literal.  Use the new text_object_find_next/prev
functions to combine the two match_next functions into one.

1 files changed, 8 insertions, 35 deletions

diff --git a/main.c b/main.c
index eb855ae..a740697 100644
--- a/main.c
+++ b/main.c
@@ -1337,37 +1337,6 @@ static const Selection *selection_new_primary(View *view, Filerange *r) {
 	return s;
 }
 
-static const char *selections_match_next_literal(Vis *vis, const char *keys, const Arg *arg) {
-	Text *txt = vis_text(vis);
-	View *view = vis_view(vis);
-	Selection *s = view_selections_primary_get(view);
-	Filerange sel = view_selections_get(s);
-	size_t len = text_range_size(&sel);
-	if (!len)
-		return keys;
-
-	char *buf = text_bytes_alloc0(txt, sel.start, len);
-	if (!buf)
-		return keys;
-
-	size_t start = text_find_next(txt, sel.end, buf);
-	Filerange match = text_range_new(start, start+len);
-	if (start != sel.end && selection_new_primary(view, &match))
-		goto out;
-
-	sel = view_selections_get(view_selections(view));
-	start = text_find_prev(txt, sel.start, buf);
-	if (start == sel.start)
-		goto out;
-
-	match = text_range_new(start, start+len);
-	selection_new_primary(view, &match);
-
-out:
-	free(buf);
-	return keys;
-}
-
 static const char *selections_match_next(Vis *vis, const char *keys, const Arg *arg) {
 	Text *txt = vis_text(vis);
 	View *view = vis_view(vis);
@@ -1383,19 +1352,23 @@ static const char *selections_match_next(Vis *vis, const char *keys, const Arg *
 		match_word = text_range_equal(&sel, &word);
 	}
 
-	if (!match_word)
-		return selections_match_next_literal(vis, keys, arg);
+	Filerange (*find_next)(Text *, size_t, const char *) = text_object_word_find_next;
+	Filerange (*find_prev)(Text *, size_t, const char *) = text_object_word_find_prev;
+	if (!match_word) {
+		find_next = text_object_find_next;
+		find_prev = text_object_find_prev;
+	}
 
 	char *buf = text_bytes_alloc0(txt, sel.start, text_range_size(&sel));
 	if (!buf)
 		return keys;
 
-	Filerange word = text_object_word_find_next(txt, sel.end, buf);
+	Filerange word = find_next(txt, sel.end, buf);
 	if (text_range_valid(&word) && selection_new_primary(view, &word))
 		goto out;
 
 	sel = view_selections_get(view_selections(view));
-	word = text_object_word_find_prev(txt, sel.start, buf);
+	word = find_prev(txt, sel.start, buf);
 	if (!text_range_valid(&word))
 		goto out;
 	selection_new_primary(view, &word);