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/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Christos Zoulas of Cornell University.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1992, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#if !defined(lint) && !defined(SCCSID)
static char sccsid[] = "@(#)test.c 8.1 (Berkeley) 6/4/93";
#endif /* not lint && not SCCSID */
/*
* test.c: A little test program
*/
#include "sys.h"
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <sys/wait.h>
#include <ctype.h>
#include <stdlib.h>
#include <unistd.h>
#include <dirent.h>
#include "histedit.h"
#include "tokenizer.h"
static int continuation = 0;
static EditLine *el = NULL;
static char *
/*ARGSUSED*/
prompt(el)
EditLine *el;
{
static char a[] = "Edit$";
static char b[] = "Edit>";
return continuation ? b : a;
}
static void
sig(i)
int i;
{
(void) fprintf(stderr, "Got signal %d.\n", i);
el_reset(el);
}
static unsigned char
/*ARGSUSED*/
complete(el, ch)
EditLine *el;
int ch;
{
DIR *dd = opendir(".");
struct dirent *dp;
const char* ptr;
const LineInfo *lf = el_line(el);
int len;
/*
* Find the last word
*/
for (ptr = lf->cursor - 1; !isspace(*ptr) && ptr > lf->buffer; ptr--)
continue;
len = lf->cursor - ++ptr;
for (dp = readdir(dd); dp != NULL; dp = readdir(dd)) {
if (len > strlen(dp->d_name))
continue;
if (strncmp(dp->d_name, ptr, len) == 0) {
closedir(dd);
if (el_insertstr(el, &dp->d_name[len]) == -1)
return CC_ERROR;
else
return CC_REFRESH;
}
}
closedir(dd);
return CC_ERROR;
}
int
/*ARGSUSED*/
main(argc, argv)
int argc;
char *argv[];
{
int num;
const char *buf;
Tokenizer *tok;
History *hist;
(void) signal(SIGINT, sig);
(void) signal(SIGQUIT, sig);
(void) signal(SIGHUP, sig);
(void) signal(SIGTERM, sig);
hist = history_init(); /* Init the builtin history */
history(hist, H_EVENT, 100); /* Remember 100 events */
tok = tok_init(NULL); /* Initialize the tokenizer */
el = el_init(*argv, stdin, stdout); /* Initialize editline */
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);
el_set(el, EL_BIND, "^I", "ed-complete", NULL);/* Bind tab to it */
/*
* 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;
char **av;
#ifdef DEBUG
(void) fprintf(stderr, "got %d %s", num, buf);
#endif
if (!continuation && num == 1)
continue;
if (tok_line(tok, buf, &ac, &av) > 0) {
history(hist, continuation ? H_ADD : H_ENTER, buf);
continuation = 1;
continue;
}
history(hist, continuation ? H_ADD : H_ENTER, buf);
continuation = 0;
if (strcmp(av[0], "history") == 0) {
const struct HistEvent *he;
switch (ac) {
case 1:
for (he = history(hist, H_LAST); he;
he = history(hist, H_PREV))
(void) fprintf(stdout, "%4d %s", he->num, he->str);
break;
case 2:
if (strcmp(av[1], "clear") == 0)
history(hist, H_CLEAR);
else
goto badhist;
break;
case 3:
if (strcmp(av[1], "load") == 0)
history(hist, H_LOAD, av[2]);
else if (strcmp(av[1], "save") == 0)
history(hist, 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], 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;
}
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