vis: overhaul search related code, support "/ register

1 files changed, 14 insertions, 0 deletions

diff --git a/vis.c b/vis.c
index 7bb5d6a..7c04347 100644
--- a/vis.c
+++ b/vis.c
@@ -1112,6 +1112,20 @@ void vis_insert_nl(Vis *vis) {
 		copy_indent_from_previous_line(vis->win);
 }
 
+Regex *vis_regex(Vis *vis, const char *pattern) {
+	if (!pattern && !(pattern = register_get(vis, &vis->registers[VIS_REG_SEARCH], NULL)))
+		return NULL;
+	Regex *regex = text_regex_new();
+	if (!regex)
+		return NULL;
+	if (text_regex_compile(regex, pattern, REG_EXTENDED|REG_NEWLINE) != 0) {
+		text_regex_free(regex);
+		return NULL;
+	}
+	register_put(vis, &vis->registers[VIS_REG_SEARCH], pattern, strlen(pattern)+1);
+	return regex;
+}
+
 Text *vis_text(Vis *vis) {
 	return vis->win->file->text;
 }