4.3BSD - /usr/src/ucb/window/lcmd1.c

   1: #ifndef lint
   2: static char sccsid[] = "@(#)lcmd1.c	3.30 4/24/85";
   3: #endif
   4: 
   5: /*
   6:  * Copyright (c) 1983 Regents of the University of California,
   7:  * All rights reserved.  Redistribution permitted subject to
   8:  * the terms of the Berkeley Software License Agreement.
   9:  */
  10: 
  11: #include "defs.h"
  12: #include "string.h"
  13: #include "value.h"
  14: #include "lcmd.h"
  15: #include "var.h"
  16: 
  17: struct lcmd_arg arg_window[] = {
  18:     { "row",    1,  ARG_NUM },
  19:     { "column", 1,  ARG_NUM },
  20:     { "nrows",  2,  ARG_NUM },
  21:     { "ncols",  2,  ARG_NUM },
  22:     { "nlines", 2,  ARG_NUM },
  23:     { "label",  1,  ARG_STR },
  24:     { "pty",    1,  ARG_ANY },
  25:     { "frame",  1,  ARG_ANY },
  26:     { "mapnl",  1,  ARG_ANY },
  27:     { "shell",  1,  ARG_STR|ARG_LIST },
  28:     0
  29: };
  30: 
  31: l_window(v, a)
  32: struct value *v;
  33: register struct value *a;
  34: {
  35:     struct ww *w;
  36:     int col, row, ncol, nrow, id, nline;
  37:     char *label;
  38:     char haspty, hasframe, mapnl;
  39:     char *shf, **sh;
  40:     char *argv[sizeof shell / sizeof *shell];
  41:     register char **pp;
  42: 
  43:     if ((id = findid()) < 0)
  44:         return;
  45:     row = a->v_type == V_ERR ? 1 : a->v_num;
  46:     a++;
  47:     col = a->v_type == V_ERR ? 0 : a->v_num;
  48:     a++;
  49:     nrow = a->v_type == V_ERR ? wwnrow - row : a->v_num;
  50:     a++;
  51:     ncol = a->v_type == V_ERR ? wwncol - col : a->v_num;
  52:     a++;
  53:     nline = a->v_type == V_ERR ? nbufline : a->v_num;
  54:     a++;
  55:     label = a->v_type == V_ERR ? 0 : a->v_str;
  56:     if ((haspty = vtobool(++a, 1, -1)) < 0)
  57:         return;
  58:     if ((hasframe = vtobool(++a, 1, -1)) < 0)
  59:         return;
  60:     if ((mapnl = vtobool(++a, !haspty, -1)) < 0)
  61:         return;
  62:     if ((++a)->v_type != V_ERR) {
  63:         for (pp = argv; a->v_type != V_ERR &&
  64:              pp < &argv[sizeof argv/sizeof *argv-1]; pp++, a++)
  65:             *pp = a->v_str;
  66:         *pp = 0;
  67:         shf = *(sh = argv);
  68:         if (*sh = rindex(shf, '/'))
  69:             (*sh)++;
  70:         else
  71:             *sh = shf;
  72:     } else {
  73:         sh = shell;
  74:         shf = shellfile;
  75:     }
  76:     if ((w = openwin(id, row, col, nrow, ncol, nline, label, haspty,
  77:         hasframe, shf, sh)) == 0)
  78:         return;
  79:     w->ww_mapnl = mapnl;
  80:     v->v_type = V_NUM;
  81:     v->v_num = id + 1;
  82: }
  83: 
  84: struct lcmd_arg arg_nline[] = {
  85:     { "nlines", 1,  ARG_NUM },
  86:     0
  87: };
  88: 
  89: l_nline(v, a)
  90: register struct value *v, *a;
  91: {
  92:     v->v_num = nbufline;
  93:     v->v_type = V_NUM;
  94:     if (a->v_type != V_ERR)
  95:         nbufline = a->v_num;
  96: }
  97: 
  98: struct lcmd_arg arg_select[] = {
  99:     { "window", 1,  ARG_NUM },
 100:     0
 101: };
 102: 
 103: l_select(v, a)
 104: register struct value *v, *a;
 105: {
 106:     struct ww *w;
 107: 
 108:     v->v_type = V_NUM;
 109:     v->v_num = selwin ? selwin->ww_id + 1 : -1;
 110:     if (a->v_type == V_ERR)
 111:         return;
 112:     if ((w = vtowin(a, (struct ww *)0)) == 0)
 113:         return;
 114:     setselwin(w);
 115: }
 116: 
 117: struct lcmd_arg arg_debug[] = {
 118:     { "flag",   1,  ARG_ANY },
 119:     0
 120: };
 121: 
 122: l_debug(v, a)
 123: register struct value *v, *a;
 124: {
 125:     v->v_type = V_NUM;
 126:     v->v_num = debug;
 127:     debug = vtobool(a, debug, debug);
 128: }
 129: 
 130: struct lcmd_arg arg_escape[] = {
 131:     { "escapec",    1,  ARG_STR },
 132:     0
 133: };
 134: 
 135: l_escape(v, a)
 136: register struct value *v, *a;
 137: {
 138:     char buf[2];
 139: 
 140:     buf[0] = escapec;
 141:     buf[1] = 0;
 142:     if ((v->v_str = str_cpy(buf)) == 0) {
 143:         error("Out of memory.");
 144:         return;
 145:     }
 146:     v->v_type = V_STR;
 147:     if (a->v_type != V_ERR)
 148:         setescape(a->v_str);
 149: }
 150: 
 151: struct lcmd_arg arg_label[] = {
 152:     { "window", 1,  ARG_NUM },
 153:     { "label",  1,  ARG_STR },
 154:     0
 155: };
 156: 
 157: /*ARGSUSED*/
 158: l_label(v, a)
 159: struct value *v;
 160: register struct value *a;
 161: {
 162:     struct ww *w;
 163: 
 164:     if ((w = vtowin(a, selwin)) == 0)
 165:         return;
 166:     if ((++a)->v_type != V_ERR && setlabel(w, a->v_str) < 0)
 167:         error("Out of memory.");
 168:     reframe();
 169: }
 170: 
 171: struct lcmd_arg arg_foreground[] = {
 172:     { "window", 1,  ARG_NUM },
 173:     { "flag",   1,  ARG_ANY },
 174:     0
 175: };
 176: 
 177: l_foreground(v, a)
 178: register struct value *v, *a;
 179: {
 180:     struct ww *w;
 181:     char flag;
 182: 
 183:     if ((w = vtowin(a, selwin)) == 0)
 184:         return;
 185:     v->v_type = V_NUM;
 186:     v->v_num = isfg(w);
 187:     flag = vtobool(++a, v->v_num, v->v_num);
 188:     if (flag == v->v_num)
 189:         return;
 190:     deletewin(w);
 191:     addwin(w, flag);
 192:     reframe();
 193: }
 194: 
 195: struct lcmd_arg arg_terse[] = {
 196:     { "flag",   1,  ARG_ANY },
 197:     0
 198: };
 199: 
 200: l_terse(v, a)
 201: register struct value *v, *a;
 202: {
 203:     v->v_type = V_NUM;
 204:     v->v_num = terse;
 205:     setterse(vtobool(a, terse, terse));
 206: }
 207: 
 208: struct lcmd_arg arg_source[] = {
 209:     { "filename",   1,  ARG_STR },
 210:     0
 211: };
 212: 
 213: l_source(v, a)
 214: register struct value *v, *a;
 215: {
 216:     v->v_type = V_NUM;
 217:     if (a->v_type != V_ERR && dosource(a->v_str) < 0) {
 218:         error("Can't open %s.", a->v_str);
 219:         v->v_num = -1;
 220:     } else
 221:         v->v_num = 0;
 222: }
 223: 
 224: struct lcmd_arg arg_write[] = {
 225:     { "window", 1,  ARG_NUM },
 226:     { "",       0,  ARG_ANY|ARG_LIST },
 227:     0
 228: };
 229: 
 230: /*ARGSUSED*/
 231: l_write(v, a)
 232: struct value *v;
 233: register struct value *a;
 234: {
 235:     char buf[20];
 236:     struct ww *w;
 237: 
 238:     if ((w = vtowin(a++, selwin)) == 0)
 239:         return;
 240:     while (a->v_type != V_ERR) {
 241:         if (a->v_type == V_NUM) {
 242:             (void) sprintf(buf, "%d", a->v_num);
 243:             (void) write(w->ww_pty, buf, strlen(buf));
 244:         } else
 245:             (void) write(w->ww_pty, a->v_str, strlen(a->v_str));
 246:         if ((++a)->v_type != V_ERR)
 247:             (void) write(w->ww_pty, " ", 1);
 248:     }
 249: }
 250: 
 251: struct lcmd_arg arg_close[] = {
 252:     { "window", 1,  ARG_ANY|ARG_LIST },
 253:     0
 254: };
 255: 
 256: /*ARGSUSED*/
 257: l_close(v, a)
 258: struct value *v;
 259: register struct value *a;
 260: {
 261:     struct ww *w;
 262: 
 263:     if (a->v_type == V_STR && str_match(a->v_str, "all", 3))
 264:         c_close((struct ww *)0);
 265:     else
 266:         for (; a->v_type != V_ERR; a++)
 267:             if ((w = vtowin(a, (struct ww *)0)) != 0)
 268:                 c_close(w);
 269: }
 270: 
 271: struct lcmd_arg arg_cursormodes[] = {
 272:     { "modes",  1,  ARG_NUM },
 273:     0
 274: };
 275: 
 276: l_cursormodes(v, a)
 277: register struct value *v, *a;
 278: {
 279: 
 280:     v->v_type = V_NUM;
 281:     v->v_num = wwcursormodes;
 282:     if (a->v_type != V_ERR)
 283:         wwsetcursormodes(a->v_num);
 284: }
 285: 
 286: struct lcmd_arg arg_unset[] = {
 287:     { "variable",   1,  ARG_ANY },
 288:     0
 289: };
 290: 
 291: l_unset(v, a)
 292: register struct value *v, *a;
 293: {
 294:     v->v_type = V_NUM;
 295:     switch (a->v_type) {
 296:     case V_ERR:
 297:         v->v_num = -1;
 298:         return;
 299:     case V_NUM:
 300:         if ((a->v_str = str_itoa(a->v_num)) == 0) {
 301:             error("Out of memory.");
 302:             v->v_num = -1;
 303:             return;
 304:         }
 305:         a->v_type = V_STR;
 306:         break;
 307:     }
 308:     v->v_num = var_unset(a->v_str);
 309: }
 310: 
 311: struct ww *
 312: vtowin(v, w)
 313: register struct value *v;
 314: struct ww *w;
 315: {
 316:     switch (v->v_type) {
 317:     case V_ERR:
 318:         if (w != 0)
 319:             return w;
 320:         error("No window specified.");
 321:         return 0;
 322:     case V_STR:
 323:         error("%s: No such window.", v->v_str);
 324:         return 0;
 325:     }
 326:     if (v->v_num < 1 || v->v_num > NWINDOW
 327:         || (w = window[v->v_num - 1]) == 0) {
 328:         error("%d: No such window.", v->v_num);
 329:         return 0;
 330:     }
 331:     return w;
 332: }
 333: 
 334: vtobool(v, def, err)
 335: register struct value *v;
 336: char def, err;
 337: {
 338:     switch (v->v_type) {
 339:     case V_NUM:
 340:         return v->v_num != 0;
 341:     case V_STR:
 342:         if (str_match(v->v_str, "true", 1)
 343:             || str_match(v->v_str, "on", 2)
 344:             || str_match(v->v_str, "yes", 1))
 345:             return 1;
 346:         else if (str_match(v->v_str, "false", 1)
 347:             || str_match(v->v_str, "off", 2)
 348:             || str_match(v->v_str, "no", 1))
 349:             return 0;
 350:         else {
 351:             error("%s: Illegal boolean value.", v->v_str);
 352:             return err;
 353:         }
 354:         /*NOTREACHED*/
 355:     case V_ERR:
 356:         return def;
 357:     }
 358:     /*NOTREACHED*/
 359: }

Defined functions

Defined variables