1 /* $NetBSD: eln.c,v 1.18 2015/03/24 21:26:50 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.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the NetBSD
18 * Foundation, Inc. and its contributors.
19 * 4. Neither the name of The NetBSD Foundation nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
36 #if !defined(lint) && !defined(SCCSID)
37 __RCSID("$NetBSD: eln.c,v 1.18 2015/03/24 21:26:50 christos Exp $");
38 #endif /* not lint && not SCCSID */
48 el_getc(EditLine *el, char *cp)
53 if (!(el->el_flags & CHARSET_IS_UTF8))
54 el->el_flags |= IGNORE_EXTCHARS;
55 num_read = el_wgetc (el, &wc);
56 if (!(el->el_flags & CHARSET_IS_UTF8))
57 el->el_flags &= ~IGNORE_EXTCHARS;
66 el_push(EditLine *el, const char *str)
68 /* Using multibyte->wide string decoding works fine under single-byte
69 * character sets too, and Does The Right Thing. */
70 el_wpush(el, ct_decode_string(str, &el->el_lgcyconv));
75 el_gets(EditLine *el, int *nread)
82 if (!(el->el_flags & CHARSET_IS_UTF8))
83 el->el_flags |= IGNORE_EXTCHARS;
84 tmp = el_wgets(el, &nwread);
85 if (!(el->el_flags & CHARSET_IS_UTF8))
86 el->el_flags &= ~IGNORE_EXTCHARS;
87 for (int i = 0; i < nwread; i++)
88 *nread += ct_enc_width(tmp[i]);
89 return ct_encode_string(tmp, &el->el_lgcyconv);
94 el_parse(EditLine *el, int argc, const char *argv[])
97 const wchar_t **wargv;
99 wargv = (const wchar_t **)
100 ct_decode_argv(argc, argv, &el->el_lgcyconv);
103 ret = el_wparse(el, argc, wargv);
111 el_set(EditLine *el, int op, ...)
121 case EL_PROMPT: /* el_pfunc_t */
123 el_pfunc_t p = va_arg(ap, el_pfunc_t);
124 ret = prompt_set(el, p, 0, op, 0);
129 el_zfunc_t p = va_arg(ap, el_zfunc_t);
130 void *arg = va_arg(ap, void *);
131 ret = ch_resizefun(el, p, arg);
135 case EL_ALIAS_TEXT: {
136 el_afunc_t p = va_arg(ap, el_afunc_t);
137 void *arg = va_arg(ap, void *);
138 ret = ch_aliasfun(el, p, arg);
143 case EL_RPROMPT_ESC: {
144 el_pfunc_t p = va_arg(ap, el_pfunc_t);
145 int c = va_arg(ap, int);
147 ret = prompt_set(el, p, c, op, 0);
151 case EL_TERMINAL: /* const char * */
152 ret = el_wset(el, op, va_arg(ap, char *));
155 case EL_EDITOR: /* const wchar_t * */
156 ret = el_wset(el, op, ct_decode_string(va_arg(ap, char *),
160 case EL_SIGNAL: /* int */
164 ret = el_wset(el, op, va_arg(ap, int));
167 case EL_BIND: /* const char * list -> const wchar_t * list */
172 const char *argv[20];
174 const wchar_t **wargv;
175 for (i = 1; i < (int)__arraycount(argv) - 1; ++i)
176 if ((argv[i] = va_arg(ap, const char *)) == NULL)
178 argv[0] = argv[i] = NULL;
179 wargv = (const wchar_t **)
180 ct_decode_argv(i + 1, argv, &el->el_lgcyconv);
186 * AFAIK we can't portably pass through our new wargv to
187 * el_wset(), so we have to reimplement the body of
188 * el_wset() for these ops.
192 wargv[0] = STR("bind");
193 ret = map_bind(el, i, wargv);
196 wargv[0] = STR("telltc");
197 ret = terminal_telltc(el, i, wargv);
200 wargv[0] = STR("settc");
201 ret = terminal_settc(el, i, wargv);
204 wargv[0] = STR("echotc");
205 ret = terminal_echotc(el, i, wargv);
208 wargv[0] = STR("setty");
209 ret = tty_stty(el, i, wargv);
218 /* XXX: do we need to change el_func_t too? */
219 case EL_ADDFN: { /* const char *, const char *, el_func_t */
224 args[0] = va_arg(ap, const char *);
225 args[1] = va_arg(ap, const char *);
226 func = va_arg(ap, el_func_t);
228 wargv = ct_decode_argv(2, args, &el->el_lgcyconv);
233 // XXX: The two strdup's leak
234 ret = map_addfunc(el, Strdup(wargv[0]), Strdup(wargv[1]),
239 case EL_HIST: { /* hist_fun_t, const char * */
240 hist_fun_t fun = va_arg(ap, hist_fun_t);
241 void *ptr = va_arg(ap, void *);
242 ret = hist_set(el, fun, ptr);
243 el->el_flags |= NARROW_HISTORY;
247 /* XXX: do we need to change el_rfunc_t? */
248 case EL_GETCFN: /* el_rfunc_t */
249 ret = el_wset(el, op, va_arg(ap, el_rfunc_t));
250 el->el_flags |= NARROW_READ;
253 case EL_CLIENTDATA: /* void * */
254 ret = el_wset(el, op, va_arg(ap, void *));
257 case EL_SETFP: { /* int, FILE * */
258 int what = va_arg(ap, int);
259 FILE *fp = va_arg(ap, FILE *);
260 ret = el_wset(el, op, what, fp);
265 re_clear_display(el);
283 el_get(EditLine *el, int op, ...)
294 case EL_PROMPT: /* el_pfunc_t * */
296 el_pfunc_t *p = va_arg(ap, el_pfunc_t *);
297 ret = prompt_get(el, p, 0, op);
301 case EL_PROMPT_ESC: /* el_pfunc_t *, char **/
302 case EL_RPROMPT_ESC: {
303 el_pfunc_t *p = va_arg(ap, el_pfunc_t *);
304 char *c = va_arg(ap, char *);
306 ret = prompt_get(el, p, &wc, op);
312 const char **p = va_arg(ap, const char **);
314 ret = el_wget(el, op, &pw);
315 *p = ct_encode_string(pw, &el->el_lgcyconv);
316 if (!el->el_lgcyconv.csize)
321 case EL_TERMINAL: /* const char ** */
322 ret = el_wget(el, op, va_arg(ap, const char **));
325 case EL_SIGNAL: /* int * */
329 ret = el_wget(el, op, va_arg(ap, int *));
334 static char gettc[] = "gettc";
336 for (i = 1; i < (int)__arraycount(argv); ++i)
337 if ((argv[i] = va_arg(ap, char *)) == NULL)
340 ret = terminal_gettc(el, i, argv);
344 /* XXX: do we need to change el_rfunc_t? */
345 case EL_GETCFN: /* el_rfunc_t */
346 ret = el_wget(el, op, va_arg(ap, el_rfunc_t *));
349 case EL_CLIENTDATA: /* void ** */
350 ret = el_wget(el, op, va_arg(ap, void **));
353 case EL_GETFP: { /* int, FILE ** */
354 int what = va_arg(ap, int);
355 FILE **fpp = va_arg(ap, FILE **);
356 ret = el_wget(el, op, what, fpp);
371 el_line(EditLine *el)
373 const LineInfoW *winfo = el_wline(el);
374 LineInfo *info = &el->el_lgcylinfo;
378 info->buffer = ct_encode_string(winfo->buffer, &el->el_lgcyconv);
381 for (p = winfo->buffer; p < winfo->cursor; p++)
382 offset += ct_enc_width(*p);
383 info->cursor = info->buffer + offset;
386 for (p = winfo->buffer; p < winfo->lastchar; p++)
387 offset += ct_enc_width(*p);
388 info->lastchar = info->buffer + offset;
395 el_insertstr(EditLine *el, const char *str)
397 return el_winsertstr(el, ct_decode_string(str, &el->el_lgcyconv));