1 /* $NetBSD: eln.c,v 1.35 2019/04/26 16:56:57 christos Exp $ */
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
29 #if !defined(lint) && !defined(SCCSID)
30 __RCSID("$NetBSD: eln.c,v 1.35 2019/04/26 16:56:57 christos Exp $");
31 #endif /* not lint && not SCCSID */
41 el_getc(EditLine *el, char *cp)
46 num_read = el_wgetc(el, &wc);
51 if (num_read == EOF) {
62 el_push(EditLine *el, const char *str)
64 /* Using multibyte->wide string decoding works fine under single-byte
65 * character sets too, and Does The Right Thing. */
66 el_wpush(el, ct_decode_string(str, &el->el_lgcyconv));
71 el_gets(EditLine *el, int *nread)
75 tmp = el_wgets(el, nread);
80 for (i = 0; i < *nread; i++)
81 nwread += ct_enc_width(tmp[i]);
84 return ct_encode_string(tmp, &el->el_lgcyconv);
89 el_parse(EditLine *el, int argc, const char *argv[])
92 const wchar_t **wargv;
94 wargv = (void *)ct_decode_argv(argc, argv, &el->el_lgcyconv);
97 ret = el_wparse(el, argc, wargv);
105 el_set(EditLine *el, int op, ...)
115 case EL_PROMPT: /* el_pfunc_t */
117 el_pfunc_t p = va_arg(ap, el_pfunc_t);
118 ret = prompt_set(el, p, 0, op, 0);
123 el_zfunc_t p = va_arg(ap, el_zfunc_t);
124 void *arg = va_arg(ap, void *);
125 ret = ch_resizefun(el, p, arg);
129 case EL_ALIAS_TEXT: {
130 el_afunc_t p = va_arg(ap, el_afunc_t);
131 void *arg = va_arg(ap, void *);
132 ret = ch_aliasfun(el, p, arg);
137 case EL_RPROMPT_ESC: {
138 el_pfunc_t p = va_arg(ap, el_pfunc_t);
139 int c = va_arg(ap, int);
141 ret = prompt_set(el, p, c, op, 0);
145 case EL_TERMINAL: /* const char * */
146 ret = el_wset(el, op, va_arg(ap, char *));
149 case EL_EDITOR: /* const wchar_t * */
150 ret = el_wset(el, op, ct_decode_string(va_arg(ap, char *),
154 case EL_SIGNAL: /* int */
158 ret = el_wset(el, op, va_arg(ap, int));
161 case EL_BIND: /* const char * list -> const wchar_t * list */
166 const char *argv[20];
168 const wchar_t **wargv;
169 for (i = 1; i < (int)__arraycount(argv) - 1; ++i)
170 if ((argv[i] = va_arg(ap, const char *)) == NULL)
172 argv[0] = argv[i] = NULL;
173 wargv = (void *)ct_decode_argv(i + 1, argv, &el->el_lgcyconv);
179 * AFAIK we can't portably pass through our new wargv to
180 * el_wset(), so we have to reimplement the body of
181 * el_wset() for these ops.
186 ret = map_bind(el, i, wargv);
189 wargv[0] = L"telltc";
190 ret = terminal_telltc(el, i, wargv);
194 ret = terminal_settc(el, i, wargv);
197 wargv[0] = L"echotc";
198 ret = terminal_echotc(el, i, wargv);
202 ret = tty_stty(el, i, wargv);
211 /* XXX: do we need to change el_func_t too? */
212 case EL_ADDFN: { /* const char *, const char *, el_func_t */
217 args[0] = va_arg(ap, const char *);
218 args[1] = va_arg(ap, const char *);
219 func = va_arg(ap, el_func_t);
221 wargv = ct_decode_argv(2, args, &el->el_lgcyconv);
226 /* XXX: The two strdup's leak */
227 ret = map_addfunc(el, wcsdup(wargv[0]), wcsdup(wargv[1]),
232 case EL_HIST: { /* hist_fun_t, const char * */
233 hist_fun_t fun = va_arg(ap, hist_fun_t);
234 void *ptr = va_arg(ap, void *);
235 ret = hist_set(el, fun, ptr);
236 el->el_flags |= NARROW_HISTORY;
240 case EL_GETCFN: /* el_rfunc_t */
241 ret = el_wset(el, op, va_arg(ap, el_rfunc_t));
244 case EL_CLIENTDATA: /* void * */
245 ret = el_wset(el, op, va_arg(ap, void *));
248 case EL_SETFP: { /* int, FILE * */
249 int what = va_arg(ap, int);
250 FILE *fp = va_arg(ap, FILE *);
251 ret = el_wset(el, op, what, fp);
256 re_clear_display(el);
274 el_get(EditLine *el, int op, ...)
285 case EL_PROMPT: /* el_pfunc_t * */
287 el_pfunc_t *p = va_arg(ap, el_pfunc_t *);
288 ret = prompt_get(el, p, 0, op);
292 case EL_PROMPT_ESC: /* el_pfunc_t *, char **/
293 case EL_RPROMPT_ESC: {
294 el_pfunc_t *p = va_arg(ap, el_pfunc_t *);
295 char *c = va_arg(ap, char *);
297 ret = prompt_get(el, p, &wc, op);
303 const char **p = va_arg(ap, const char **);
305 ret = el_wget(el, op, &pw);
306 *p = ct_encode_string(pw, &el->el_lgcyconv);
307 if (!el->el_lgcyconv.csize)
312 case EL_TERMINAL: /* const char ** */
313 ret = el_wget(el, op, va_arg(ap, const char **));
316 case EL_SIGNAL: /* int * */
320 ret = el_wget(el, op, va_arg(ap, int *));
325 static char gettc[] = "gettc";
327 argv[1] = va_arg(ap, char *);
328 argv[2] = va_arg(ap, void *);
329 ret = terminal_gettc(el, 3, argv);
333 case EL_GETCFN: /* el_rfunc_t */
334 ret = el_wget(el, op, va_arg(ap, el_rfunc_t *));
337 case EL_CLIENTDATA: /* void ** */
338 ret = el_wget(el, op, va_arg(ap, void **));
341 case EL_GETFP: { /* int, FILE ** */
342 int what = va_arg(ap, int);
343 FILE **fpp = va_arg(ap, FILE **);
344 ret = el_wget(el, op, what, fpp);
359 el_line(EditLine *el)
361 const LineInfoW *winfo = el_wline(el);
362 LineInfo *info = &el->el_lgcylinfo;
366 info->buffer = ct_encode_string(winfo->buffer, &el->el_lgcyconv);
369 for (p = winfo->buffer; p < winfo->cursor; p++)
370 offset += ct_enc_width(*p);
371 info->cursor = info->buffer + offset;
374 for (p = winfo->buffer; p < winfo->lastchar; p++)
375 offset += ct_enc_width(*p);
376 info->lastchar = info->buffer + offset;
383 el_insertstr(EditLine *el, const char *str)
385 return el_winsertstr(el, ct_decode_string(str, &el->el_lgcyconv));