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url-mode+config: wip: add url.regex option

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Daniel Eklöf 2025-01-30 12:26:23 +01:00
parent e76d8dd7af
commit d41b28bd02
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5 changed files with 76 additions and 54 deletions
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57
url-mode.c
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@ -380,54 +380,7 @@ regex_detected(const struct terminal *term, enum url_action action, url_list_t *
}
}
/*
* Based on https://gist.github.com/gruber/249502, but modified:
* - Do not allow {} at all
* - Do allow matched []
*/
regex_t preg;
const char *regex_string =
"("
"[a-z][[:alnum:]-]+:" // protocol
"("
"/{1,3}|[a-z0-9%]" // slashes (what's the OR part for?)
")"
"|"
"www[:digit:]{0,3}[.]"
"|"
"[a-z0-9.\\-]+[.][a-z]{2,4}/"
")"
"("
"[^[:space:](){}<>]+"
"|"
"\\(([^[:space:](){}<>]+|(\\([^[:space:](){}<>]+\\)))*\\)"
"|"
"\\[([^]\\[[:space:](){}<>]+|(\\[[^]\\[[:space:](){}<>]+\\]))*\\]"
")+"
"("
"\\(([^[:space:](){}<>]+|(\\([^[:space:](){}<>]+\\)))*\\)"
"|"
"\\[([^]\\[[:space:](){}<>]+|(\\[[^]\\[[:space:](){}<>]+\\]))*\\]"
"|"
"[^]\\[[:space:]`!(){};:'\".,<>?«»“”‘’]"
")"
;
int r = regcomp(&preg, regex_string, REG_EXTENDED);
if (r != 0) {
char err_buf[1024];
regerror(r, &preg, err_buf, sizeof(err_buf));
LOG_ERR("failed to compile regular expression: %s", err_buf);
for (size_t i = 0; i < ALEN(vlines); i++) {
const struct vline *v = &vlines[i];
free(v->utf8);
free(v->map);
}
return;
}
const regex_t *preg = &term->conf->url.preg;
for (size_t i = 0; i < ALEN(vlines); i++) {
const struct vline *v = &vlines[i];
@ -436,9 +389,8 @@ regex_detected(const struct terminal *term, enum url_action action, url_list_t *
const char *search_string = v->utf8;
while (true) {
regmatch_t matches[preg.re_nsub + 1];
r = regexec(&preg, search_string, preg.re_nsub + 1, matches, 0);
regmatch_t matches[preg->re_nsub + 1];
int r = regexec(preg, search_string, preg->re_nsub + 1, matches, 0);
if (r == REG_NOMATCH)
break;
@ -470,9 +422,8 @@ regex_detected(const struct terminal *term, enum url_action action, url_list_t *
free(v->utf8);
free(v->map);
}
regfree(&preg);
}
static void
osc8_uris(const struct terminal *term, enum url_action action, url_list_t *urls)
{