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Implement URL opening

weechat-hashes
C. McEnroe 2020-02-08 19:04:25 -05:00
parent f502260dd0
commit 9b9794df33
1 changed files with 58 additions and 15 deletions
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73
url.c
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@ -14,12 +14,15 @@
* along with this program. If not, see <https://www.gnu.org/licenses/>. * along with this program. If not, see <https://www.gnu.org/licenses/>.
*/ */
#include <assert.h>
#include <err.h> #include <err.h>
#include <errno.h>
#include <regex.h> #include <regex.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <sysexits.h> #include <sysexits.h>
#include <unistd.h>
#include "chat.h" #include "chat.h"
@ -55,26 +58,31 @@ static void compile(void) {
errx(EX_SOFTWARE, "regcomp: %s: %s", buf, Pattern); errx(EX_SOFTWARE, "regcomp: %s: %s", buf, Pattern);
} }
struct URL {
size_t id;
char *nick;
char *url;
};
enum { Cap = 32 }; enum { Cap = 32 };
static struct { static struct {
size_t ids[Cap]; struct URL urls[Cap];
char *nicks[Cap];
char *urls[Cap];
size_t len; size_t len;
} ring; } ring;
static_assert(!(Cap & (Cap - 1)), "Cap is power of two");
static void push(size_t id, const char *nick, const char *url, size_t len) { static void push(size_t id, const char *nick, const char *str, size_t len) {
size_t i = ring.len++ % Cap; struct URL *url = &ring.urls[ring.len++ % Cap];
free(ring.nicks[i]); free(url->nick);
free(ring.urls[i]); free(url->url);
ring.ids[i] = id; url->id = id;
ring.nicks[i] = NULL; url->nick = NULL;
if (nick) { if (nick) {
ring.nicks[i] = strdup(nick); url->nick = strdup(nick);
if (!ring.nicks[i]) err(EX_OSERR, "strdup"); if (!url->nick) err(EX_OSERR, "strdup");
} }
ring.urls[i] = strndup(url, len); url->url = strndup(str, len);
if (!ring.urls[i]) err(EX_OSERR, "strndup"); if (!url->url) err(EX_OSERR, "strndup");
} }
void urlScan(size_t id, const char *nick, const char *mesg) { void urlScan(size_t id, const char *nick, const char *mesg) {
@ -87,10 +95,45 @@ void urlScan(size_t id, const char *nick, const char *mesg) {
} }
} }
static const char *OpenBins[] = { "open", "xdg-open" };
static void urlOpen(const char *url) {
pid_t pid = fork();
if (pid < 0) err(EX_OSERR, "fork");
if (pid) return;
close(STDIN_FILENO);
dup2(procPipe[1], STDOUT_FILENO);
dup2(procPipe[1], STDERR_FILENO);
for (size_t i = 0; i < ARRAY_LEN(OpenBins); ++i) {
execlp(OpenBins[i], OpenBins[i], url, NULL);
if (errno != ENOENT) {
warn("%s", OpenBins[i]);
_exit(EX_CONFIG);
}
}
warnx("no open utility found");
_exit(EX_CONFIG);
}
void urlOpenCount(size_t id, size_t count) { void urlOpenCount(size_t id, size_t count) {
// TODO for (size_t i = 1; i <= Cap; ++i) {
const struct URL *url = &ring.urls[(ring.len - i) % Cap];
if (!url->url) break;
if (url->id != id) continue;
urlOpen(url->url);
if (!--count) break;
}
} }
void urlOpenMatch(size_t id, const char *str) { void urlOpenMatch(size_t id, const char *str) {
// TODO for (size_t i = 1; i <= Cap; ++i) {
const struct URL *url = &ring.urls[(ring.len - i) % Cap];
if (!url->url) break;
if (url->id != id) continue;
if ((url->nick && !strcmp(url->nick, str)) || strstr(url->url, str)) {
urlOpen(url->url);
break;
}
}
} }