usr.bin/window/lcmd1.c

   1 /*      $NetBSD: lcmd1.c,v 1.11 2006/12/18 20:04:55 christos Exp $      */
   2
   3 /*
   4  * Copyright (c) 1983, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Edward Wang at The University of California, Berkeley.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include <sys/cdefs.h>
  36 #ifndef lint
  37 #if 0
  38 static char sccsid[] = "@(#)lcmd1.c     8.1 (Berkeley) 6/6/93";
  39 #else
  40 __RCSID("$NetBSD: lcmd1.c,v 1.11 2006/12/18 20:04:55 christos Exp $");
  41 #endif
  42 #endif /* not lint */
  43
  44 #include <string.h>
  45 #include <unistd.h>
  46 #include "defs.h"
  47 #include "window_string.h"
  48 #include "lcmd.h"
  49 #include "var.h"
  50
  51 char    vtobool(struct value *, char, char);
  52
  53 struct lcmd_arg arg_window[] = {
  54         { "row",        1,      ARG_NUM },
  55         { "column",     1,      ARG_NUM },
  56         { "nrows",      2,      ARG_NUM },
  57         { "ncols",      2,      ARG_NUM },
  58         { "nlines",     2,      ARG_NUM },
  59         { "label",      1,      ARG_STR },
  60         { "pty",        1,      ARG_ANY },
  61         { "frame",      1,      ARG_ANY },
  62         { "mapnl",      1,      ARG_ANY },
  63         { "keepopen",   1,      ARG_ANY },
  64         { "smooth",     1,      ARG_ANY },
  65         { "shell",      1,      ARG_STR|ARG_LIST },
  66         { NULL,         0,      0 }
  67 };
  68
  69 void
  70 l_window(struct value *v, struct value *a)
  71 {
  72         struct ww *w;
  73         int col, row, ncol, nrow, id, nline;
  74         char *label;
  75         int haspty, hasframe, mapnl, keepopen, smooth;
  76         char *shf, **sh;
  77         char *argv[sizeof default_shell / sizeof *default_shell];
  78         char **pp;
  79
  80         if ((id = findid()) < 0)
  81                 return;
  82         row = a->v_type == V_ERR ? 1 : a->v_num;
  83         a++;
  84         col = a->v_type == V_ERR ? 0 : a->v_num;
  85         a++;
  86         nrow = a->v_type == V_ERR ? wwnrow - row : a->v_num;
  87         a++;
  88         ncol = a->v_type == V_ERR ? wwncol - col : a->v_num;
  89         a++;
  90         nline = a->v_type == V_ERR ? default_nline : a->v_num;
  91         a++;
  92         label = a->v_type == V_ERR ? 0 : a->v_str;
  93         if ((haspty = vtobool(++a, 1, -1)) < 0)
  94                 return;
  95         if ((hasframe = vtobool(++a, 1, -1)) < 0)
  96                 return;
  97         if ((mapnl = vtobool(++a, !haspty, -1)) < 0)
  98                 return;
  99         if ((keepopen = vtobool(++a, 0, -1)) < 0)
 100                 return;
 101         if ((smooth = vtobool(++a, default_smooth, -1)) < 0)
 102                 return;
 103         if ((++a)->v_type != V_ERR) {
 104                 for (pp = argv; a->v_type != V_ERR &&
 105                      pp < &argv[sizeof argv/sizeof *argv-1]; pp++, a++)
 106                         *pp = a->v_str;
 107                 *pp = 0;
 108                 shf = *(sh = argv);
 109                 if ((*sh = strrchr(shf, '/')))
 110                         (*sh)++;
 111                 else
 112                         *sh = shf;
 113         } else {
 114                 sh = default_shell;
 115                 shf = default_shellfile;
 116         }
 117         if ((w = openwin(id, row, col, nrow, ncol, nline, label,
 118             haspty ? WWT_PTY : WWT_SOCKET, hasframe ? WWU_HASFRAME : 0, shf,
 119             sh)) == 0)
 120                 return;
 121         if (mapnl)
 122                 SET(w->ww_wflags, WWW_MAPNL);
 123         else
 124                 CLR(w->ww_wflags, WWW_MAPNL);
 125         if (keepopen)
 126                 SET(w->ww_uflags, WWU_KEEPOPEN);
 127         else
 128                 CLR(w->ww_uflags, WWU_KEEPOPEN);
 129         if (!smooth)
 130                 SET(w->ww_wflags, WWW_NOUPDATE);
 131         else
 132                 CLR(w->ww_wflags, WWW_NOUPDATE);
 133         v->v_type = V_NUM;
 134         v->v_num = id + 1;
 135 }
 136
 137 struct lcmd_arg arg_def_nline[] = {
 138         { "nlines",     1,      ARG_NUM },
 139         { NULL,         0,      0 }
 140 };
 141
 142 void
 143 l_def_nline(struct value *v, struct value *a)
 144 {
 145         v->v_num = default_nline;
 146         v->v_type = V_NUM;
 147         if (a->v_type != V_ERR)
 148                 default_nline = a->v_num;
 149 }
 150
 151 struct lcmd_arg arg_smooth[] = {
 152         { "window",     1,      ARG_NUM },
 153         { "flag",       1,      ARG_ANY },
 154         { NULL,         0,      0 }
 155 };
 156
 157 void
 158 l_smooth(struct value *v, struct value *a)
 159 {
 160         struct ww *w;
 161
 162         v->v_type = V_NUM;
 163         v->v_num = 0;
 164         if ((w = vtowin(a++, selwin)) == 0)
 165                 return;
 166         v->v_num = ISSET(w->ww_wflags, WWW_NOUPDATE) == 0;
 167         if (!vtobool(a, v->v_num, v->v_num))
 168                 SET(w->ww_wflags, WWW_NOUPDATE);
 169         else
 170                 CLR(w->ww_wflags, WWW_NOUPDATE);
 171 }
 172
 173 struct lcmd_arg arg_def_smooth[] = {
 174         { "flag",       1,      ARG_ANY },
 175         { NULL,         0,      0 }
 176 };
 177
 178 void
 179 l_def_smooth(struct value *v, struct value *a)
 180 {
 181         v->v_type = V_NUM;
 182         v->v_num = default_smooth;
 183         default_smooth = vtobool(a, v->v_num, v->v_num);
 184 }
 185
 186 struct lcmd_arg arg_select[] = {
 187         { "window",     1,      ARG_NUM },
 188         { NULL,         0,      0 }
 189 };
 190
 191 void
 192 l_select(struct value *v, struct value *a)
 193 {
 194         struct ww *w;
 195
 196         v->v_type = V_NUM;
 197         v->v_num = selwin ? selwin->ww_id + 1 : -1;
 198         if (a->v_type == V_ERR)
 199                 return;
 200         if ((w = vtowin(a, (struct ww *)0)) == 0)
 201                 return;
 202         setselwin(w);
 203 }
 204
 205 struct lcmd_arg arg_debug[] = {
 206         { "flag",       1,      ARG_ANY },
 207         { NULL,         0,      0 }
 208 };
 209
 210 void
 211 l_debug(struct value *v, struct value *a)
 212 {
 213         v->v_type = V_NUM;
 214         v->v_num = debug;
 215         debug = vtobool(a, debug, debug);
 216 }
 217
 218 struct lcmd_arg arg_escape[] = {
 219         { "escapec",    1,      ARG_STR },
 220         { NULL,         0,      0 }
 221 };
 222
 223 void
 224 l_escape(struct value *v, struct value *a)
 225 {
 226         char buf[2];
 227
 228         buf[0] = escapec;
 229         buf[1] = 0;
 230         if ((v->v_str = str_cpy(buf)) == 0) {
 231                 error("Out of memory.");
 232                 return;
 233         }
 234         v->v_type = V_STR;
 235         if (a->v_type != V_ERR)
 236                 setescape(a->v_str);
 237 }
 238
 239 struct lcmd_arg arg_label[] = {
 240         { "window",     1,      ARG_NUM },
 241         { "label",      1,      ARG_STR },
 242         { NULL,         0,      0 }
 243 };
 244
 245 void
 246 l_label(struct value *v __unused, struct value *a)
 247 {
 248         struct ww *w;
 249
 250         if ((w = vtowin(a, selwin)) == 0)
 251                 return;
 252         if ((++a)->v_type != V_ERR && setlabel(w, a->v_str) < 0)
 253                 error("Out of memory.");
 254         reframe();
 255 }
 256
 257 struct lcmd_arg arg_foreground[] = {
 258         { "window",     1,      ARG_NUM },
 259         { "flag",       1,      ARG_ANY },
 260         { NULL,         0,      0 }
 261 };
 262
 263 void
 264 l_foreground(struct value *v, struct value *a)
 265 {
 266         struct ww *w;
 267         char flag;
 268
 269         if ((w = vtowin(a, selwin)) == 0)
 270                 return;
 271         v->v_type = V_NUM;
 272         v->v_num = isfg(w);
 273         flag = vtobool(++a, v->v_num, v->v_num);
 274         if (flag == v->v_num)
 275                 return;
 276         deletewin(w);
 277         addwin(w, flag);
 278         reframe();
 279 }
 280
 281 struct lcmd_arg arg_terse[] = {
 282         { "flag",       1,      ARG_ANY },
 283         { NULL,         0,      0 }
 284 };
 285
 286 void
 287 l_terse(struct value *v, struct value *a)
 288 {
 289         v->v_type = V_NUM;
 290         v->v_num = terse;
 291         setterse(vtobool(a, terse, terse));
 292 }
 293
 294 struct lcmd_arg arg_source[] = {
 295         { "filename",   1,      ARG_STR },
 296         { NULL,         0,      0 }
 297 };
 298
 299 void
 300 l_source(struct value *v, struct value *a)
 301 {
 302         v->v_type = V_NUM;
 303         if (a->v_type != V_ERR && dosource(a->v_str) < 0) {
 304                 error("Can't open %s.", a->v_str);
 305                 v->v_num = -1;
 306         } else
 307                 v->v_num = 0;
 308 }
 309
 310 struct lcmd_arg arg_write[] = {
 311         { "window",     1,      ARG_NUM },
 312         { "",           0,      ARG_ANY|ARG_LIST },
 313         { NULL,         0,      0 }
 314 };
 315
 316 void
 317 l_write(struct value *v __unused, struct value *a)
 318 {
 319         char buf[20];
 320         struct ww *w;
 321
 322         if ((w = vtowin(a++, selwin)) == 0)
 323                 return;
 324         while (a->v_type != V_ERR) {
 325                 if (a->v_type == V_NUM) {
 326                         (void) sprintf(buf, "%d", a->v_num);
 327                         (void) write(w->ww_pty, buf, strlen(buf));
 328                 } else
 329                         (void) write(w->ww_pty, a->v_str, strlen(a->v_str));
 330                 if ((++a)->v_type != V_ERR)
 331                         (void) write(w->ww_pty, " ", 1);
 332         }
 333 }
 334
 335 struct lcmd_arg arg_close[] = {
 336         { "window",     1,      ARG_ANY|ARG_LIST },
 337         { NULL,         0,      0 }
 338 };
 339
 340 void
 341 l_close(struct value *v __unused, struct value *a)
 342 {
 343         struct ww *w;
 344
 345         if (a->v_type == V_STR && str_match(a->v_str, "all", 3))
 346                 closewin((struct ww *)0);
 347         else
 348                 for (; a->v_type != V_ERR; a++)
 349                         if ((w = vtowin(a, (struct ww *)0)) != 0)
 350                                 closewin(w);
 351 }
 352
 353 struct lcmd_arg arg_cursormodes[] = {
 354         { "modes",      1,      ARG_NUM },
 355         { NULL,         0,      0 }
 356 };
 357
 358 void
 359 l_cursormodes(struct value *v, struct value *a)
 360 {
 361
 362         v->v_type = V_NUM;
 363         v->v_num = wwcursormodes;
 364         if (a->v_type != V_ERR)
 365                 wwsetcursormodes(a->v_num);
 366 }
 367
 368 struct lcmd_arg arg_unset[] = {
 369         { "variable",   1,      ARG_ANY },
 370         { NULL,         0,      0 }
 371 };
 372
 373 void
 374 l_unset(struct value *v, struct value *a)
 375 {
 376         v->v_type = V_NUM;
 377         switch (a->v_type) {
 378         case V_ERR:
 379                 v->v_num = -1;
 380                 return;
 381         case V_NUM:
 382                 if ((a->v_str = str_itoa(a->v_num)) == 0) {
 383                         error("Out of memory.");
 384                         v->v_num = -1;
 385                         return;
 386                 }
 387                 a->v_type = V_STR;
 388                 break;
 389         }
 390         v->v_num = var_unset(a->v_str);
 391 }
 392
 393 struct ww *
 394 vtowin(struct value *v, struct ww *w)
 395 {
 396         switch (v->v_type) {
 397         case V_ERR:
 398                 if (w != 0)
 399                         return w;
 400                 error("No window specified.");
 401                 return 0;
 402         case V_STR:
 403                 error("%s: No such window.", v->v_str);
 404                 return 0;
 405         }
 406         if (v->v_num < 1 || v->v_num > NWINDOW
 407             || (w = window[v->v_num - 1]) == 0) {
 408                 error("%d: No such window.", v->v_num);
 409                 return 0;
 410         }
 411         return w;
 412 }
 413
 414 char
 415 vtobool(struct value *v, char def, char err)
 416 {
 417         switch (v->v_type) {
 418         case V_NUM:
 419                 return v->v_num != 0;
 420         case V_STR:
 421                 if (str_match(v->v_str, "true", 1)
 422                     || str_match(v->v_str, "on", 2)
 423                     || str_match(v->v_str, "yes", 1))
 424                         return 1;
 425                 else if (str_match(v->v_str, "false", 1)
 426                     || str_match(v->v_str, "off", 2)
 427                     || str_match(v->v_str, "no", 1))
 428                         return 0;
 429                 else {
 430                         error("%s: Illegal boolean value.", v->v_str);
 431                         return err;
 432                 }
 433                 /*NOTREACHED*/
 434         case V_ERR:
 435                 return def;
 436         }
 437         /*NOTREACHED*/
 438         return (0);
 439 }