/*
* Split a sub-line and a completion context into a word and a
* completion type. Use the editline tokenizer to handle the quoting
* and splitting.
*/
static char *
split_word(int *cmpltype, const char *cmplarray, LineInfo *li)
{
static Tokenizer *t = NULL;
const char **argv;
char *word;
int argc;
int cursorc;
int cursoro;
int arraylen;
if (t != NULL)
tok_reset(t);
else {
if ((t = tok_init(NULL)) == NULL)
err(EXIT_FAILURE, "tok_init");
}
if (tok_line(t, li, &argc, &argv, &cursorc, &cursoro) == -1)
err(EXIT_FAILURE, "tok_line");
if (cursorc >= argc)
word = __UNCONST("");
else {
word = salloc((size_t)cursoro + 1);
(void)strlcpy(word, argv[cursorc], (size_t)cursoro + 1);
}
/* check for 'continuation' completes (which are uppercase) */
arraylen = (int)strlen(cmplarray);
if (cursorc >= arraylen &&
arraylen > 0 &&
isupper((unsigned char)cmplarray[arraylen - 1]))
cursorc = arraylen - 1;
if (cursorc >= arraylen)
return NULL;
*cmpltype = cmplarray[cursorc];
return word;
}
int
main(int argc, char *argv[])
{
EditLine *el = NULL;
int num;
const char *buf;
Tokenizer *tok;
#if 0
int lastevent = 0;
#endif
int ncontinuation;
History *hist;
HistEvent ev;
(void) setlocale(LC_CTYPE, "");
(void) signal(SIGINT, sig);
(void) signal(SIGQUIT, sig);
(void) signal(SIGHUP, sig);
(void) signal(SIGTERM, sig);
hist = history_init(); /* Init the builtin history */
/* Remember 100 events */
history(hist, &ev, H_SETSIZE, 100);
tok = tok_init(NULL); /* Initialize the tokenizer */
/* Initialize editline */
el = el_init(*argv, stdin, stdout, stderr);
el_set(el, EL_EDITOR, "vi"); /* Default editor is vi */
el_set(el, EL_SIGNAL, 1); /* Handle signals gracefully */
el_set(el, EL_PROMPT_ESC, prompt, '\1');/* Set the prompt function */
/* Tell editline to use this history interface */
el_set(el, EL_HIST, history, hist);
/* Add a user-defined function */
el_set(el, EL_ADDFN, "ed-complete", "Complete argument", complete);
/* Bind tab to it */
el_set(el, EL_BIND, "^I", "ed-complete", NULL);
/*
* Bind j, k in vi command mode to previous and next line, instead
* of previous and next history.
*/
el_set(el, EL_BIND, "-a", "k", "ed-prev-line", NULL);
el_set(el, EL_BIND, "-a", "j", "ed-next-line", NULL);
/*
* Source the user's defaults file.
*/
el_source(el, NULL);
while ((buf = el_gets(el, &num)) != NULL && num != 0) {
int ac, cc, co;
#ifdef DEBUG
int i;
#endif
const char **av;
const LineInfo *li;
li = el_line(el);
#ifdef DEBUG
(void) fprintf(stderr, "==> got %d %s", num, buf);
(void) fprintf(stderr, " > li `%.*s_%.*s'\n",
(li->cursor - li->buffer), li->buffer,
(li->lastchar - 1 - li->cursor),
(li->cursor >= li->lastchar) ? "" : li->cursor);
#endif
if (gotsig) {
(void) fprintf(stderr, "Got signal %d.\n", (int)gotsig);
gotsig = 0;
el_reset(el);
}
if (!continuation && num == 1)
continue;
ac = cc = co = 0;
ncontinuation = tok_line(tok, li, &ac, &av, &cc, &co);
if (ncontinuation < 0) {
(void) fprintf(stderr, "Internal error\n");
continuation = 0;
continue;
}
#ifdef DEBUG
(void) fprintf(stderr, " > nc %d ac %d cc %d co %d\n",
ncontinuation, ac, cc, co);
#endif
#if 0
if (continuation) {
/*
* Append to the right event in case the user
* moved around in history.
*/
if (history(hist, &ev, H_SET, lastevent) == -1)
err(1, "%d: %s", lastevent, ev.str);
history(hist, &ev, H_ADD , buf);
} else {
history(hist, &ev, H_ENTER, buf);
lastevent = ev.num;
}
#else
/* Simpler */
history(hist, &ev, continuation ? H_APPEND : H_ENTER, buf);
#endif
continuation = ncontinuation;
ncontinuation = 0;
if (continuation)
continue;
#ifdef DEBUG
for (i = 0; i < ac; i++) {
(void) fprintf(stderr, " > arg# %2d ", i);
if (i != cc)
(void) fprintf(stderr, "`%s'\n", av[i]);
else
(void) fprintf(stderr, "`%.*s_%s'\n",
co, av[i], av[i] + co);
}
#endif
if (strcmp(av[0], "history") == 0) {
int rv;
switch (ac) {
case 1:
for (rv = history(hist, &ev, H_LAST); rv != -1;
rv = history(hist, &ev, H_PREV))
(void) fprintf(stdout, "%4d %s",
ev.num, ev.str);
break;
case 2:
if (strcmp(av[1], "clear") == 0)
history(hist, &ev, H_CLEAR);
else
goto badhist;
break;
case 3:
if (strcmp(av[1], "load") == 0)
history(hist, &ev, H_LOAD, av[2]);
else if (strcmp(av[1], "save") == 0)
history(hist, &ev, H_SAVE, av[2]);
break;
badhist:
default:
(void) fprintf(stderr,
"Bad history arguments\n");
break;
}
} else if (el_parse(el, ac, av) == -1) {
switch (fork()) {
case 0:
execvp(av[0], __DECONST(char **, av));
perror(av[0]);
_exit(1);
/*NOTREACHED*/
break;
case -1:
perror("fork");
break;
default:
if (wait(&num) == -1)
perror("wait");
(void) fprintf(stderr, "Exit %x\n", num);
break;
}
}
tok_reset(tok);
}
el_end(el);
tok_end(tok);
history_end(hist);
return (0);
}
int
main(int argc, char *argv[])
{
int num;
const char *buf;
Tokenizer *tok;
#if 0
int lastevent = 0;
#endif
int ncontinuation;
History *hist;
HistEvent ev;
(void) signal(SIGINT, sig);
(void) signal(SIGQUIT, sig);
(void) signal(SIGHUP, sig);
(void) signal(SIGTERM, sig);
hist = history_init(); /* Init the builtin history */
/* Remember 100 events */
history(hist, &ev, H_SETSIZE, 100);
tok = tok_init(NULL); /* Initialize the tokenizer */
/* Initialize editline */
el = el_init(*argv, stdin, stdout, stderr);
el_set(el, EL_EDITOR, "vi"); /* Default editor is vi */
el_set(el, EL_SIGNAL, 1); /* Handle signals gracefully */
el_set(el, EL_PROMPT, prompt); /* Set the prompt function */
/* Tell editline to use this history interface */
el_set(el, EL_HIST, history, hist);
/* Add a user-defined function */
el_set(el, EL_ADDFN, "ed-complete", "Complete argument", complete);
/* Bind tab to it */
el_set(el, EL_BIND, "^I", "ed-complete", NULL);
/*
* Bind j, k in vi command mode to previous and next line, instead
* of previous and next history.
*/
el_set(el, EL_BIND, "-a", "k", "ed-prev-line", NULL);
el_set(el, EL_BIND, "-a", "j", "ed-next-line", NULL);
/*
* Source the user's defaults file.
*/
el_source(el, NULL);
while ((buf = el_gets(el, &num)) != NULL && num != 0) {
int ac;
const char **av;
#ifdef DEBUG
(void) fprintf(stderr, "got %d %s", num, buf);
#endif
if (!continuation && num == 1)
continue;
ncontinuation = tok_line(tok, buf, &ac, &av) > 0;
#if 0
if (continuation) {
/*
* Append to the right event in case the user
* moved around in history.
*/
if (history(hist, &ev, H_SET, lastevent) == -1)
err(1, "%d: %s\n", lastevent, ev.str);
history(hist, &ev, H_ADD , buf);
} else {
history(hist, &ev, H_ENTER, buf);
lastevent = ev.num;
}
#else
/* Simpler */
history(hist, &ev, continuation ? H_APPEND : H_ENTER, buf);
#endif
continuation = ncontinuation;
ncontinuation = 0;
if (strcmp(av[0], "history") == 0) {
int rv;
switch (ac) {
case 1:
for (rv = history(hist, &ev, H_LAST); rv != -1;
rv = history(hist, &ev, H_PREV))
(void) fprintf(stdout, "%4d %s",
ev.num, ev.str);
break;
case 2:
if (strcmp(av[1], "clear") == 0)
history(hist, &ev, H_CLEAR);
else
goto badhist;
break;
case 3:
if (strcmp(av[1], "load") == 0)
history(hist, &ev, H_LOAD, av[2]);
else if (strcmp(av[1], "save") == 0)
history(hist, &ev, H_SAVE, av[2]);
break;
badhist:
default:
(void) fprintf(stderr,
"Bad history arguments\n");
break;
}
} else if (el_parse(el, ac, av) == -1) {
switch (fork()) {
case 0:
execvp(av[0], (char *const *)av);
perror(av[0]);
_exit(1);
/*NOTREACHED*/
break;
case -1:
perror("fork");
break;
default:
if (wait(&num) == -1)
perror("wait");
(void) fprintf(stderr, "Exit %x\n", num);
break;
}
}
tok_reset(tok);
}
el_end(el);
tok_end(tok);
history_end(hist);
return (0);
}
