1 /**************************************************************************** 2 * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 31 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 32 ****************************************************************************/ 33 34 /* 35 * tput.c -- shellscript access to terminal capabilities 36 * 37 * by Eric S. Raymond <esr@snark.thyrsus.com>, portions based on code from 38 * Ross Ridge's mytinfo package. 39 */ 40 41 #include <progs.priv.h> 42 43 #if !PURE_TERMINFO 44 #include <termsort.c> 45 #endif 46 #include <transform.h> 47 48 MODULE_ID("$Id: tput.c,v 1.26 2001/03/24 21:59:48 tom Exp $") 49 50 #define PUTS(s) fputs(s, stdout) 51 #define PUTCHAR(c) putchar(c) 52 #define FLUSH fflush(stdout) 53 54 typedef enum { 55 Numbers = 0 56 ,Num_Str 57 ,Num_Str_Str 58 } TParams; 59 60 static char *prg_name; 61 static bool is_init = FALSE; 62 static bool is_reset = FALSE; 63 64 static void 65 quit(int status, const char *fmt,...) 66 { 67 va_list argp; 68 69 va_start(argp, fmt); 70 vfprintf(stderr, fmt, argp); 71 fprintf(stderr, "\n"); 72 va_end(argp); 73 exit(status); 74 } 75 76 static void 77 usage(void) 78 { 79 fprintf(stderr, "usage: %s [-V] [-S] [-T term] capname\n", prg_name); 80 exit(EXIT_FAILURE); 81 } 82 83 static void 84 check_aliases(const char *name) 85 { 86 is_init = (strcmp(name, PROG_INIT) == 0); 87 is_reset = (strcmp(name, PROG_RESET) == 0); 88 } 89 90 /* 91 * Lookup the type of call we should make to tparm(). This ignores the actual 92 * terminfo capability (bad, because it is not extensible), but makes this 93 * code portable to platforms where sizeof(int) != sizeof(char *). 94 * 95 * FIXME: If we want extensibility, analyze the capability string as we do 96 * in tparm() to decide how to parse the varargs list. 97 */ 98 static TParams 99 tparm_type(const char *name) 100 { 101 #define TD(code, longname, ti, tc) {code,longname},{code,ti},{code,tc} 102 TParams result = Numbers; 103 /* *INDENT-OFF* */ 104 static const struct { 105 TParams code; 106 const char *name; 107 } table[] = { 108 TD(Num_Str, "pkey_key", "pfkey", "pk"), 109 TD(Num_Str, "pkey_local", "pfloc", "pl"), 110 TD(Num_Str, "pkey_xmit", "pfx", "px"), 111 TD(Num_Str, "plab_norm", "pln", "pn"), 112 TD(Num_Str_Str, "pkey_plab", "pfxl", "xl"), 113 }; 114 /* *INDENT-ON* */ 115 116 unsigned n; 117 for (n = 0; n < SIZEOF(table); n++) { 118 if (!strcmp(name, table[n].name)) { 119 result = table[n].code; 120 break; 121 } 122 } 123 return result; 124 } 125 126 static int 127 tput(int argc, char *argv[]) 128 { 129 NCURSES_CONST char *name; 130 char *s; 131 int i, j, c; 132 int status; 133 FILE *f; 134 135 check_aliases(name = argv[0]); 136 if (is_reset || is_init) { 137 if (init_prog != 0) { 138 system(init_prog); 139 } 140 FLUSH; 141 142 if (is_reset && reset_1string != 0) { 143 PUTS(reset_1string); 144 } else if (init_1string != 0) { 145 PUTS(init_1string); 146 } 147 FLUSH; 148 149 if (is_reset && reset_2string != 0) { 150 PUTS(reset_2string); 151 } else if (init_2string != 0) { 152 PUTS(init_2string); 153 } 154 FLUSH; 155 156 if (set_lr_margin != 0) { 157 PUTS(tparm(set_lr_margin, 0, columns - 1)); 158 } else if (set_left_margin_parm != 0 159 && set_right_margin_parm != 0) { 160 PUTS(tparm(set_left_margin_parm, 0)); 161 PUTS(tparm(set_right_margin_parm, columns - 1)); 162 } else if (clear_margins != 0 163 && set_left_margin != 0 164 && set_right_margin != 0) { 165 PUTS(clear_margins); 166 if (carriage_return != 0) { 167 PUTS(carriage_return); 168 } else { 169 PUTCHAR('\r'); 170 } 171 PUTS(set_left_margin); 172 if (parm_right_cursor) { 173 PUTS(tparm(parm_right_cursor, columns - 1)); 174 } else { 175 for (i = 0; i < columns - 1; i++) { 176 PUTCHAR(' '); 177 } 178 } 179 PUTS(set_right_margin); 180 if (carriage_return != 0) { 181 PUTS(carriage_return); 182 } else { 183 PUTCHAR('\r'); 184 } 185 } 186 FLUSH; 187 188 if (init_tabs != 8) { 189 if (clear_all_tabs != 0 && set_tab != 0) { 190 for (i = 0; i < columns - 1; i += 8) { 191 if (parm_right_cursor) { 192 PUTS(tparm(parm_right_cursor, 8)); 193 } else { 194 for (j = 0; j < 8; j++) 195 PUTCHAR(' '); 196 } 197 PUTS(set_tab); 198 } 199 FLUSH; 200 } 201 } 202 203 if (is_reset && reset_file != 0) { 204 f = fopen(reset_file, "r"); 205 if (f == 0) { 206 quit(errno, "Can't open reset_file: '%s'", reset_file); 207 } 208 while ((c = fgetc(f)) != EOF) { 209 PUTCHAR(c); 210 } 211 fclose(f); 212 } else if (init_file != 0) { 213 f = fopen(init_file, "r"); 214 if (f == 0) { 215 quit(errno, "Can't open init_file: '%s'", init_file); 216 } 217 while ((c = fgetc(f)) != EOF) { 218 PUTCHAR(c); 219 } 220 fclose(f); 221 } 222 FLUSH; 223 224 if (is_reset && reset_3string != 0) { 225 PUTS(reset_3string); 226 } else if (init_2string != 0) { 227 PUTS(init_2string); 228 } 229 FLUSH; 230 return 0; 231 } 232 233 if (strcmp(name, "longname") == 0) { 234 PUTS(longname()); 235 return 0; 236 } 237 #if !PURE_TERMINFO 238 { 239 const struct name_table_entry *np; 240 241 if ((np = _nc_find_entry(name, _nc_get_hash_table(1))) != 0) 242 switch (np->nte_type) { 243 case BOOLEAN: 244 if (bool_from_termcap[np->nte_index]) 245 name = boolnames[np->nte_index]; 246 break; 247 248 case NUMBER: 249 if (num_from_termcap[np->nte_index]) 250 name = numnames[np->nte_index]; 251 break; 252 253 case STRING: 254 if (str_from_termcap[np->nte_index]) 255 name = strnames[np->nte_index]; 256 break; 257 } 258 } 259 #endif 260 261 if ((status = tigetflag(name)) != -1) { 262 return (status != 0); 263 } else if ((status = tigetnum(name)) != CANCELLED_NUMERIC) { 264 (void) printf("%d\n", status); 265 return (0); 266 } else if ((s = tigetstr(name)) == CANCELLED_STRING) { 267 quit(4, "%s: unknown terminfo capability '%s'", prg_name, name); 268 } else if (s != ABSENT_STRING) { 269 if (argc > 1) { 270 int k; 271 int numbers[10]; 272 char *strings[10]; 273 274 /* Nasty hack time. The tparm function needs to see numeric 275 * parameters as numbers, not as pointers to their string 276 * representations 277 */ 278 279 for (k = 1; k < argc; k++) { 280 char *tmp = 0; 281 strings[k] = argv[k]; 282 numbers[k] = strtol(argv[k], &tmp, 0); 283 if (tmp == 0 || *tmp != 0) 284 numbers[k] = 0; 285 } 286 for (k = argc; k <= 9; k++) { 287 numbers[k] = 0; 288 strings[k] = 0; 289 } 290 291 switch (tparm_type(name)) { 292 case Num_Str: 293 s = tparm(s, numbers[1], strings[2]); 294 break; 295 case Num_Str_Str: 296 s = tparm(s, numbers[1], strings[2], strings[3]); 297 break; 298 default: 299 s = tparm(s, 300 numbers[1], numbers[2], numbers[3], 301 numbers[4], numbers[5], numbers[6], 302 numbers[7], numbers[8], numbers[9]); 303 break; 304 } 305 } 306 307 /* use putp() in order to perform padding */ 308 putp(s); 309 return (0); 310 } 311 return (0); 312 } 313 314 int 315 main(int argc, char **argv) 316 { 317 char *term; 318 int errret; 319 bool cmdline = TRUE; 320 int c; 321 char buf[BUFSIZ]; 322 int errors = 0; 323 324 check_aliases(prg_name = _nc_basename(argv[0])); 325 326 term = getenv("TERM"); 327 328 while ((c = getopt(argc, argv, "ST:V")) != EOF) { 329 switch (c) { 330 case 'S': 331 cmdline = FALSE; 332 break; 333 case 'T': 334 use_env(FALSE); 335 term = optarg; 336 break; 337 case 'V': 338 puts(curses_version()); 339 return EXIT_SUCCESS; 340 default: 341 usage(); 342 /* NOTREACHED */ 343 } 344 } 345 346 /* 347 * Modify the argument list to omit the options we processed. 348 */ 349 if (is_reset || is_init) { 350 if (optind-- < argc) { 351 argc -= optind; 352 argv += optind; 353 } 354 argv[0] = prg_name; 355 } else { 356 argc -= optind; 357 argv += optind; 358 } 359 360 if (term == 0 || *term == '\0') 361 quit(2, "No value for $TERM and no -T specified"); 362 363 if (setupterm(term, STDOUT_FILENO, &errret) != OK && errret <= 0) 364 quit(3, "unknown terminal \"%s\"", term); 365 366 if (cmdline) { 367 if ((argc <= 0) && !is_reset && !is_init) 368 usage(); 369 return tput(argc, argv); 370 } 371 372 while (fgets(buf, sizeof(buf), stdin) != 0) { 373 char *argvec[16]; /* command, 9 parms, null, & slop */ 374 int argnum = 0; 375 char *cp; 376 377 /* crack the argument list into a dope vector */ 378 for (cp = buf; *cp; cp++) { 379 if (isspace(CharOf(*cp))) 380 *cp = '\0'; 381 else if (cp == buf || cp[-1] == 0) 382 argvec[argnum++] = cp; 383 } 384 argvec[argnum] = 0; 385 386 if (tput(argnum, argvec) != 0) 387 errors++; 388 } 389 390 return errors > 0; 391 } 392