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Do not go down the regex search path (which is expensive because we need

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to convert the grid data into a string for regexec and reverse it to
find the grid position) if the search string does not contain any regex
special characters.
This commit is contained in:
nicm
2020-04-01 08:07:05 +00:00
parent c129ed3233
commit cd30633d10
1 changed files with 8 additions and 4 deletions
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12
window-copy.c
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@@ -2714,23 +2714,27 @@ window_copy_search(struct window_mode_entry *wme, int direction, int regex)
struct screen *s = data->backing, ss; struct screen *s = data->backing, ss;
struct screen_write_ctx ctx; struct screen_write_ctx ctx;
struct grid *gd = s->grid; struct grid *gd = s->grid;
const char *str = data->searchstr;
u_int fx, fy, endline; u_int fx, fy, endline;
int wrapflag, cis, found; int wrapflag, cis, found;
if (regex && str[strcspn(str, "^$*+()?[].\\")] == '\0')
regex = 0;
free(wp->searchstr); free(wp->searchstr);
wp->searchstr = xstrdup(data->searchstr); wp->searchstr = xstrdup(str);
wp->searchregex = regex; wp->searchregex = regex;
fx = data->cx; fx = data->cx;
fy = screen_hsize(data->backing) - data->oy + data->cy; fy = screen_hsize(data->backing) - data->oy + data->cy;
screen_init(&ss, screen_write_strlen("%s", data->searchstr), 1, 0); screen_init(&ss, screen_write_strlen("%s", str), 1, 0);
screen_write_start(&ctx, NULL, &ss); screen_write_start(&ctx, NULL, &ss);
screen_write_nputs(&ctx, -1, &grid_default_cell, "%s", data->searchstr); screen_write_nputs(&ctx, -1, &grid_default_cell, "%s", str);
screen_write_stop(&ctx); screen_write_stop(&ctx);
wrapflag = options_get_number(wp->window->options, "wrap-search"); wrapflag = options_get_number(wp->window->options, "wrap-search");
cis = window_copy_is_lowercase(data->searchstr); cis = window_copy_is_lowercase(str);
if (direction) { if (direction) {
window_copy_move_right(s, &fx, &fy, wrapflag); window_copy_move_right(s, &fx, &fy, wrapflag);