| 1 | /* opts.c */ |
| 2 | |
| 3 | /* Author: |
| 4 | * Steve Kirkendall |
| 5 | * 14407 SW Teal Blvd. #C |
| 6 | * Beaverton, OR 97005 |
| 7 | * kirkenda@cs.pdx.edu |
| 8 | */ |
| 9 | |
| 10 | |
| 11 | /* This file contains the code that manages the run-time options -- The |
| 12 | * values that can be modified via the "set" command. |
| 13 | */ |
| 14 | |
| 15 | #include "config.h" |
| 16 | #include "vi.h" |
| 17 | #include "ctype.h" |
| 18 | #ifndef NULL |
| 19 | #define NULL (char *)0 |
| 20 | #endif |
| 21 | |
| 22 | /* maximum width to permit for strings, including ="" */ |
| 23 | #define MAXWIDTH 20 |
| 24 | |
| 25 | /* These are the default values of all options */ |
| 26 | char o_autoindent[1] = {FALSE}; |
| 27 | char o_autoprint[1] = {TRUE}; |
| 28 | char o_autotab[1] = {TRUE}; |
| 29 | char o_autowrite[1] = {FALSE}; |
| 30 | char o_columns[3] = {80, 32, ~0}; |
| 31 | char o_directory[30] = TMPDIR; |
| 32 | char o_edcompatible[1] = {FALSE}; |
| 33 | char o_equalprg[80] = {"fmt"}; |
| 34 | char o_errorbells[1] = {TRUE}; |
| 35 | char o_exrefresh[1] = {TRUE}; |
| 36 | char o_ignorecase[1] = {FALSE}; |
| 37 | char o_keytime[3] = {2, 0, 50}; |
| 38 | char o_keywordprg[80] = {KEYWORDPRG}; |
| 39 | char o_lines[3] = {25, 2, 96}; |
| 40 | char o_list[1] = {FALSE}; |
| 41 | char o_number[1] = {FALSE}; |
| 42 | char o_readonly[1] = {FALSE}; |
| 43 | char o_remap[1] = {TRUE}; |
| 44 | char o_report[3] = {5, 1, 127}; |
| 45 | char o_scroll[3] = {12, 1, 127}; |
| 46 | char o_shell[60] = SHELL; |
| 47 | char o_shiftwidth[3] = {8, 1, ~0}; |
| 48 | char o_sidescroll[3] = {8, 1, 40}; |
| 49 | char o_sync[1] = {NEEDSYNC}; |
| 50 | char o_tabstop[3] = {8, 1, 40}; |
| 51 | char o_term[30] = "?"; |
| 52 | char o_flash[1] = {TRUE}; |
| 53 | char o_warn[1] = {TRUE}; |
| 54 | char o_wrapscan[1] = {TRUE}; |
| 55 | |
| 56 | #ifndef CRUNCH |
| 57 | char o_beautify[1] = {FALSE}; |
| 58 | char o_exrc[1] = {FALSE}; |
| 59 | char o_mesg[1] = {TRUE}; |
| 60 | char o_more[1] = {TRUE}; |
| 61 | char o_nearscroll[3] = {15, 0, ~0}; |
| 62 | char o_novice[1] = {FALSE}; |
| 63 | char o_prompt[1] = {TRUE}; |
| 64 | char o_taglength[3] = {0, 0, 30}; |
| 65 | char o_tags[256] = {"tags"}; |
| 66 | char o_terse[1] = {FALSE}; |
| 67 | char o_window[3] = {0, 1, 24}; |
| 68 | char o_wrapmargin[3] = {0, 0, ~0}; |
| 69 | char o_writeany[1] = {FALSE}; |
| 70 | #endif |
| 71 | |
| 72 | #ifndef NO_ERRLIST |
| 73 | char o_cc[30] = {CC_COMMAND}; |
| 74 | char o_make[30] = {MAKE_COMMAND}; |
| 75 | #endif |
| 76 | |
| 77 | #ifndef NO_CHARATTR |
| 78 | char o_charattr[1] = {FALSE}; |
| 79 | #endif |
| 80 | |
| 81 | #ifndef NO_DIGRAPH |
| 82 | char o_digraph[1] = {FALSE}; |
| 83 | char o_flipcase[80] |
| 84 | # ifdef CS_IBMPC |
| 85 | = {"\207\200\201\232\202\220\204\216\206\217\221\222\224\231\244\245"} |
| 86 | # endif |
| 87 | # ifdef CS_LATIN1 |
| 88 | /* initialized by initopts() */ |
| 89 | # endif |
| 90 | ; |
| 91 | #endif |
| 92 | |
| 93 | #ifndef NO_SENTENCE |
| 94 | char o_hideformat[1] = {FALSE}; |
| 95 | #endif |
| 96 | |
| 97 | #ifndef NO_EXTENSIONS |
| 98 | char o_inputmode[1] = {FALSE}; |
| 99 | char o_ruler[1] = {FALSE}; |
| 100 | #endif |
| 101 | |
| 102 | #ifndef NO_MAGIC |
| 103 | char o_magic[1] = {TRUE}; |
| 104 | #endif |
| 105 | |
| 106 | #ifndef NO_MODELINES |
| 107 | char o_modelines[1] = {FALSE}; |
| 108 | #endif |
| 109 | |
| 110 | #ifndef NO_SENTENCE |
| 111 | char o_paragraphs[30] = "PPppIPLPQP"; |
| 112 | char o_sections[30] = "NHSHSSSEse"; |
| 113 | #endif |
| 114 | |
| 115 | #if MSDOS |
| 116 | char o_pcbios[1] = {TRUE}; |
| 117 | #endif |
| 118 | |
| 119 | #ifndef NO_SHOWMATCH |
| 120 | char o_showmatch[1] = {FALSE}; |
| 121 | #endif |
| 122 | |
| 123 | #ifndef NO_SHOWMODE |
| 124 | char o_smd[1] = {FALSE}; |
| 125 | #endif |
| 126 | |
| 127 | #ifndef NO_TAGSTACK |
| 128 | char o_tagstack[1] = {TRUE}; |
| 129 | #endif |
| 130 | |
| 131 | |
| 132 | |
| 133 | /* The following describes the names & types of all options */ |
| 134 | #define BOOL 0 |
| 135 | #define NUM 1 |
| 136 | #define STR 2 |
| 137 | #define SET 0x01 /* this option has had its value altered */ |
| 138 | #define CANSET 0x02 /* this option can be set at any time */ |
| 139 | #define RCSET 0x06 /* this option can be set in a .exrc file only */ |
| 140 | #define NOSAVE 0x0a /* this option should never be saved by mkexrc */ |
| 141 | #define WSET 0x20 /* is this the "window" size option? */ |
| 142 | #define MR 0x40 /* does this option affect the way text is displayed? */ |
| 143 | struct |
| 144 | { |
| 145 | char *name; /* name of an option */ |
| 146 | char *nm; /* short name of an option */ |
| 147 | char type; /* type of an option */ |
| 148 | char flags; /* boolean: has this option been set? */ |
| 149 | char *value; /* value */ |
| 150 | } |
| 151 | opts[] = |
| 152 | { |
| 153 | /* name type flags value */ |
| 154 | { "autoindent", "ai", BOOL, CANSET, o_autoindent }, |
| 155 | { "autoprint", "ap", BOOL, CANSET, o_autoprint }, |
| 156 | { "autotab", "at", BOOL, CANSET, o_autotab }, |
| 157 | { "autowrite", "aw", BOOL, CANSET, o_autowrite }, |
| 158 | #ifndef CRUNCH |
| 159 | { "beautify", "bf", BOOL, CANSET, o_beautify }, |
| 160 | #endif |
| 161 | #ifndef NO_ERRLIST |
| 162 | { "cc", "cc", STR, CANSET, o_cc }, |
| 163 | #endif |
| 164 | #ifndef NO_CHARATTR |
| 165 | { "charattr", "ca", BOOL, CANSET|MR, o_charattr }, |
| 166 | #endif |
| 167 | { "columns", "co", NUM, SET|NOSAVE|MR, o_columns }, |
| 168 | #ifndef NO_DIGRAPH |
| 169 | { "digraph", "dig", BOOL, CANSET, o_digraph }, |
| 170 | #endif |
| 171 | { "directory", "dir", STR, RCSET, o_directory }, |
| 172 | { "edcompatible","ed", BOOL, CANSET, o_edcompatible }, |
| 173 | { "equalprg", "ep", STR, CANSET, o_equalprg }, |
| 174 | { "errorbells", "eb", BOOL, CANSET, o_errorbells }, |
| 175 | #ifndef CRUNCH |
| 176 | { "exrc", "exrc", BOOL, CANSET, o_exrc }, |
| 177 | #endif |
| 178 | { "exrefresh", "er", BOOL, CANSET, o_exrefresh }, |
| 179 | { "flash", "vbell",BOOL, CANSET, o_flash }, |
| 180 | #ifndef NO_DIGRAPH |
| 181 | { "flipcase", "fc", STR, CANSET, o_flipcase }, |
| 182 | #endif |
| 183 | #ifndef NO_SENTENCE |
| 184 | { "hideformat", "hf", BOOL, CANSET|MR, o_hideformat }, |
| 185 | #endif |
| 186 | { "ignorecase", "ic", BOOL, CANSET, o_ignorecase }, |
| 187 | #ifndef NO_EXTENSIONS |
| 188 | { "inputmode", "im", BOOL, CANSET, o_inputmode }, |
| 189 | #endif |
| 190 | { "keytime", "kt", NUM, CANSET, o_keytime }, |
| 191 | { "keywordprg", "kp", STR, CANSET, o_keywordprg }, |
| 192 | { "lines", "ls", NUM, SET|NOSAVE|MR, o_lines }, |
| 193 | { "list", "li", BOOL, CANSET|MR, o_list }, |
| 194 | #ifndef NO_MAGIC |
| 195 | { "magic", "ma", BOOL, CANSET, o_magic }, |
| 196 | #endif |
| 197 | #ifndef NO_ERRLIST |
| 198 | { "make", "mk", STR, CANSET, o_make }, |
| 199 | #endif |
| 200 | #ifndef CRUNCH |
| 201 | { "mesg", "me", BOOL, CANSET, o_mesg }, |
| 202 | #endif |
| 203 | #ifndef NO_MODELINES |
| 204 | { "modelines", "ml", BOOL, CANSET, o_modelines }, |
| 205 | #endif |
| 206 | #ifndef CRUNCH |
| 207 | { "more", "mo", BOOL, CANSET, o_more }, |
| 208 | { "nearscroll", "ns", NUM, CANSET, o_nearscroll }, |
| 209 | { "novice", "nov", BOOL, CANSET, o_novice }, |
| 210 | #endif |
| 211 | { "number", "nu", BOOL, CANSET|MR, o_number }, |
| 212 | #ifndef NO_SENTENCE |
| 213 | { "paragraphs", "para", STR, CANSET, o_paragraphs }, |
| 214 | #endif |
| 215 | #if MSDOS |
| 216 | { "pcbios", "pc", BOOL, SET|NOSAVE, o_pcbios }, |
| 217 | #endif |
| 218 | #ifndef CRUNCH |
| 219 | { "prompt", "pr", BOOL, CANSET, o_prompt }, |
| 220 | #endif |
| 221 | { "readonly", "ro", BOOL, CANSET, o_readonly }, |
| 222 | { "remap", "remap",BOOL, CANSET, o_remap }, |
| 223 | { "report", "re", NUM, CANSET, o_report }, |
| 224 | #ifndef NO_EXTENSIONS |
| 225 | { "ruler", "ru", BOOL, CANSET, o_ruler }, |
| 226 | #endif |
| 227 | { "scroll", "sc", NUM, CANSET, o_scroll }, |
| 228 | #ifndef NO_SENTENCE |
| 229 | { "sections", "sect", STR, CANSET, o_sections }, |
| 230 | #endif |
| 231 | { "shell", "sh", STR, CANSET, o_shell }, |
| 232 | #ifndef NO_SHOWMATCH |
| 233 | { "showmatch", "sm", BOOL, CANSET, o_showmatch }, |
| 234 | #endif |
| 235 | #ifndef NO_SHOWMODE |
| 236 | { "showmode", "smd", BOOL, CANSET, o_smd }, |
| 237 | #endif |
| 238 | { "shiftwidth", "sw", NUM, CANSET, o_shiftwidth }, |
| 239 | { "sidescroll", "ss", NUM, CANSET, o_sidescroll }, |
| 240 | { "sync", "sy", BOOL, CANSET, o_sync }, |
| 241 | { "tabstop", "ts", NUM, CANSET|MR, o_tabstop }, |
| 242 | #ifndef CRUNCH |
| 243 | { "taglength", "tl", NUM, CANSET, o_taglength }, |
| 244 | { "tags", "tag", STR, CANSET, o_tags }, |
| 245 | #endif |
| 246 | #ifndef NO_TAGSTACK |
| 247 | { "tagstack", "tgs", BOOL, CANSET, o_tagstack }, |
| 248 | #endif |
| 249 | { "term", "te", STR, SET, o_term }, |
| 250 | #ifndef CRUNCH |
| 251 | { "terse", "tr", BOOL, CANSET, o_terse }, |
| 252 | { "timeout", "to", BOOL, CANSET, o_keytime }, |
| 253 | #endif |
| 254 | #ifndef CRUNCH |
| 255 | { "window", "wi", NUM, CANSET|MR|WSET, o_window }, |
| 256 | { "wrapmargin", "wm", NUM, CANSET, o_wrapmargin }, |
| 257 | #endif |
| 258 | { "wrapscan", "ws", BOOL, CANSET, o_wrapscan }, |
| 259 | #ifndef CRUNCH |
| 260 | { "writeany", "wr", BOOL, CANSET, o_writeany }, |
| 261 | #endif |
| 262 | { NULL, NULL, 0, CANSET, NULL } |
| 263 | }; |
| 264 | |
| 265 | |
| 266 | /* This function initializes certain options from environment variables, etc. */ |
| 267 | void initopts() |
| 268 | { |
| 269 | char *val; |
| 270 | int i; |
| 271 | |
| 272 | /* set some stuff from environment variables */ |
| 273 | #if MSDOS |
| 274 | if (val = getenv("COMSPEC")) /* yes, ASSIGNMENT! */ |
| 275 | #else |
| 276 | if (val = getenv("SHELL")) /* yes, ASSIGNMENT! */ |
| 277 | #endif |
| 278 | { |
| 279 | strcpy(o_shell, val); |
| 280 | } |
| 281 | |
| 282 | strcpy(o_term, termtype); |
| 283 | #if MSDOS |
| 284 | if (strcmp(termtype, "pcbios")) |
| 285 | { |
| 286 | o_pcbios[0] = FALSE; |
| 287 | } |
| 288 | else |
| 289 | { |
| 290 | o_pcbios[0] = TRUE; |
| 291 | } |
| 292 | #endif |
| 293 | |
| 294 | #if AMIGA || MSDOS || TOS |
| 295 | if ((val = getenv("TMP")) /* yes, ASSIGNMENT! */ |
| 296 | || (val = getenv("TEMP"))) |
| 297 | strcpy(o_directory, val); |
| 298 | #endif |
| 299 | |
| 300 | #ifndef CRUNCH |
| 301 | if ((val = getenv("LINES")) && atoi(val) > 4) /* yes, ASSIGNMENT! */ |
| 302 | { |
| 303 | LINES = atoi(val); |
| 304 | } |
| 305 | if ((val = getenv("COLUMNS")) && atoi(val) > 30) /* yes, ASSIGNMENT! */ |
| 306 | { |
| 307 | COLS = atoi(val); |
| 308 | } |
| 309 | #endif |
| 310 | *o_lines = LINES; |
| 311 | *o_columns = COLS; |
| 312 | *o_scroll = LINES / 2 - 1; |
| 313 | #ifndef CRUNCH |
| 314 | if (o_window[0] == 0) |
| 315 | { |
| 316 | o_window[0] = o_window[2] = *o_lines; |
| 317 | } |
| 318 | *o_nearscroll = *o_lines; |
| 319 | #endif |
| 320 | |
| 321 | /* disable the flash option if we don't know how to do a flash */ |
| 322 | if (!has_VB) |
| 323 | { |
| 324 | for (i = 0; opts[i].value != o_flash; i++) |
| 325 | { |
| 326 | } |
| 327 | opts[i].flags &= ~CANSET; |
| 328 | *o_flash = FALSE; |
| 329 | } |
| 330 | |
| 331 | #ifndef NO_DIGRAPH |
| 332 | # ifdef CS_LATIN1 |
| 333 | for (i = 0, val = o_flipcase; i < 32; i++) |
| 334 | { |
| 335 | /* leave out the multiply/divide symbols */ |
| 336 | if (i == 23) |
| 337 | continue; |
| 338 | |
| 339 | /* add lower/uppercase pair */ |
| 340 | *val++ = i + 0xe0; |
| 341 | *val++ = i + 0xc0; |
| 342 | } |
| 343 | *val = '\0'; |
| 344 | # endif /* CS_LATIN1 */ |
| 345 | |
| 346 | /* initialize the ctype package */ |
| 347 | _ct_init(o_flipcase); |
| 348 | #else |
| 349 | _ct_init(""); |
| 350 | #endif /* not NO_DIGRAPH */ |
| 351 | } |
| 352 | |
| 353 | /* This function lists the current values of all options */ |
| 354 | void dumpopts(all) |
| 355 | int all; /* boolean: dump all options, or just set ones? */ |
| 356 | { |
| 357 | #ifndef NO_OPTCOLS |
| 358 | int i, j, k; |
| 359 | char nbuf[4]; /* used for converting numbers to ASCII */ |
| 360 | int widths[5]; /* width of each column, including gap */ |
| 361 | int ncols; /* number of columns */ |
| 362 | int nrows; /* number of options per column */ |
| 363 | int nset; /* number of options to be output */ |
| 364 | int width; /* width of a particular option */ |
| 365 | int todump[60]; /* indicies of options to be dumped */ |
| 366 | |
| 367 | /* step 1: count the number of set options */ |
| 368 | for (nset = i = 0; opts[i].name; i++) |
| 369 | { |
| 370 | if (all || (opts[i].flags & SET)) |
| 371 | { |
| 372 | todump[nset++] = i; |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | /* step two: try to use as many columns as possible */ |
| 377 | for (ncols = (nset > 5 ? 5 : nset); ncols > 1; ncols--) |
| 378 | { |
| 379 | /* how many would go in this column? */ |
| 380 | nrows = (nset + ncols - 1) / ncols; |
| 381 | |
| 382 | /* figure out the width of each column */ |
| 383 | for (i = 0; i < ncols; i++) |
| 384 | { |
| 385 | widths[i] = 0; |
| 386 | for (j = 0, k = nrows * i; j < nrows && k < nset; j++, k++) |
| 387 | { |
| 388 | /* figure out the width of a particular option */ |
| 389 | switch (opts[todump[k]].type) |
| 390 | { |
| 391 | case BOOL: |
| 392 | if (!*opts[todump[k]].value) |
| 393 | width = 2; |
| 394 | else |
| 395 | width = 0; |
| 396 | break; |
| 397 | |
| 398 | case STR: |
| 399 | width = 3 + strlen(opts[todump[k]].value); |
| 400 | if (width > MAXWIDTH) |
| 401 | width = MAXWIDTH; |
| 402 | break; |
| 403 | |
| 404 | case NUM: |
| 405 | width = 4; |
| 406 | break; |
| 407 | } |
| 408 | width += strlen(opts[todump[k]].name); |
| 409 | |
| 410 | /* if this is the widest so far, widen col */ |
| 411 | if (width > widths[i]) |
| 412 | { |
| 413 | widths[i] = width; |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | } |
| 418 | |
| 419 | /* if the total width is narrow enough, then use it */ |
| 420 | for (width = -2, i = 0; i < ncols; i++) |
| 421 | { |
| 422 | width += widths[i] + 2; |
| 423 | } |
| 424 | if (width < COLS - 1) |
| 425 | { |
| 426 | break; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | /* step 3: output the columns */ |
| 431 | nrows = (nset + ncols - 1) / ncols; |
| 432 | for (i = 0; i < nrows; i++) |
| 433 | { |
| 434 | for (j = 0; j < ncols; j++) |
| 435 | { |
| 436 | /* if we hit the end of the options, quit */ |
| 437 | k = i + j * nrows; |
| 438 | if (k >= nset) |
| 439 | { |
| 440 | break; |
| 441 | } |
| 442 | |
| 443 | /* output this option's value */ |
| 444 | width = 0; |
| 445 | switch (opts[todump[k]].type) |
| 446 | { |
| 447 | case BOOL: |
| 448 | if (!*opts[todump[k]].value) |
| 449 | { |
| 450 | qaddch('n'); |
| 451 | qaddch('o'); |
| 452 | width = 2; |
| 453 | } |
| 454 | qaddstr(opts[todump[k]].name); |
| 455 | width += strlen(opts[todump[k]].name); |
| 456 | break; |
| 457 | |
| 458 | case NUM: |
| 459 | sprintf(nbuf, "%-3d", UCHAR(*opts[todump[k]].value)); |
| 460 | qaddstr(opts[todump[k]].name); |
| 461 | qaddch('='); |
| 462 | qaddstr(nbuf); |
| 463 | width = 4 + strlen(opts[todump[k]].name); |
| 464 | break; |
| 465 | |
| 466 | case STR: |
| 467 | qaddstr(opts[todump[k]].name); |
| 468 | qaddch('='); |
| 469 | qaddch('"'); |
| 470 | strcpy(tmpblk.c, opts[todump[k]].value); |
| 471 | width = 3 + strlen(tmpblk.c); |
| 472 | if (width > MAXWIDTH) |
| 473 | { |
| 474 | width = MAXWIDTH; |
| 475 | strcpy(tmpblk.c + MAXWIDTH - 6, "..."); |
| 476 | } |
| 477 | qaddstr(tmpblk.c); |
| 478 | qaddch('"'); |
| 479 | width += strlen(opts[todump[k]].name); |
| 480 | break; |
| 481 | } |
| 482 | |
| 483 | /* pad the field to the correct size */ |
| 484 | if (k + nrows <= nset) |
| 485 | { |
| 486 | while (width < widths[j] + 2) |
| 487 | { |
| 488 | qaddch(' '); |
| 489 | width++; |
| 490 | } |
| 491 | } |
| 492 | } |
| 493 | addch('\n'); |
| 494 | exrefresh(); |
| 495 | } |
| 496 | #else |
| 497 | int i; |
| 498 | int col; |
| 499 | char nbuf[4]; |
| 500 | |
| 501 | for (i = col = 0; opts[i].name; i++) |
| 502 | { |
| 503 | /* if not set and not all, ignore this option */ |
| 504 | if (!all && !(opts[i].flags & SET)) |
| 505 | { |
| 506 | continue; |
| 507 | } |
| 508 | |
| 509 | /* align this option in one of the columns */ |
| 510 | if (col > 52) |
| 511 | { |
| 512 | addch('\n'); |
| 513 | col = 0; |
| 514 | } |
| 515 | else if (col > 26) |
| 516 | { |
| 517 | while (col < 52) |
| 518 | { |
| 519 | qaddch(' '); |
| 520 | col++; |
| 521 | } |
| 522 | } |
| 523 | else if (col > 0) |
| 524 | { |
| 525 | while (col < 26) |
| 526 | { |
| 527 | qaddch(' '); |
| 528 | col++; |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | switch (opts[i].type) |
| 533 | { |
| 534 | case BOOL: |
| 535 | if (!*opts[i].value) |
| 536 | { |
| 537 | qaddch('n'); |
| 538 | qaddch('o'); |
| 539 | col += 2; |
| 540 | } |
| 541 | qaddstr(opts[i].name); |
| 542 | col += strlen(opts[i].name); |
| 543 | break; |
| 544 | |
| 545 | case NUM: |
| 546 | sprintf(nbuf, "%-3d", UCHAR(*opts[i].value)); |
| 547 | qaddstr(opts[i].name); |
| 548 | qaddch('='); |
| 549 | qaddstr(nbuf); |
| 550 | col += 4 + strlen(opts[i].name); |
| 551 | break; |
| 552 | |
| 553 | case STR: |
| 554 | qaddstr(opts[i].name); |
| 555 | qaddch('='); |
| 556 | qaddch('"'); |
| 557 | qaddstr(opts[i].value); |
| 558 | qaddch('"'); |
| 559 | col += 3 + strlen(opts[i].name) + strlen(opts[i].value); |
| 560 | break; |
| 561 | } |
| 562 | exrefresh(); |
| 563 | } |
| 564 | if (col > 0) |
| 565 | { |
| 566 | addch('\n'); |
| 567 | exrefresh(); |
| 568 | } |
| 569 | #endif |
| 570 | } |
| 571 | |
| 572 | #ifndef NO_MKEXRC |
| 573 | /* This function saves the current configuration of options to a file */ |
| 574 | void saveopts(fd) |
| 575 | int fd; /* file descriptor to write to */ |
| 576 | { |
| 577 | int i; |
| 578 | char buf[256], *pos; |
| 579 | |
| 580 | /* write each set options */ |
| 581 | for (i = 0; opts[i].name; i++) |
| 582 | { |
| 583 | /* if unset or unsettable, ignore this option */ |
| 584 | if ((opts[i].flags & (SET|CANSET|NOSAVE)) != (SET|CANSET)) |
| 585 | { |
| 586 | continue; |
| 587 | } |
| 588 | |
| 589 | strcpy(buf, "set "); |
| 590 | pos = &buf[4]; |
| 591 | switch (opts[i].type) |
| 592 | { |
| 593 | case BOOL: |
| 594 | if (!*opts[i].value) |
| 595 | { |
| 596 | *pos++='n'; |
| 597 | *pos++='o'; |
| 598 | } |
| 599 | strcpy(pos, opts[i].name); |
| 600 | strcat(pos, "\n"); |
| 601 | break; |
| 602 | |
| 603 | case NUM: |
| 604 | sprintf(pos, "%s=%-3d\n", opts[i].name, *opts[i].value & 0xff); |
| 605 | break; |
| 606 | |
| 607 | case STR: |
| 608 | sprintf(pos, "%s=\"%s\"\n", opts[i].name, opts[i].value); |
| 609 | break; |
| 610 | } |
| 611 | twrite(fd, buf, (unsigned)strlen(buf)); |
| 612 | } |
| 613 | } |
| 614 | #endif |
| 615 | |
| 616 | |
| 617 | /* This function changes the values of one or more options. */ |
| 618 | void setopts(assignments) |
| 619 | char *assignments; /* a string containing option assignments */ |
| 620 | { |
| 621 | char *name; /* name of variable in assignments */ |
| 622 | char *value; /* value of the variable */ |
| 623 | char *scan; /* used for moving through strings */ |
| 624 | char *build; /* used for copying chars from "scan" */ |
| 625 | char *prefix; /* pointer to "neg" or "no" at front of a boolean */ |
| 626 | int quote; /* boolean: inside '"' quotes? */ |
| 627 | int i, j; |
| 628 | |
| 629 | #ifndef CRUNCH |
| 630 | /* reset the upper limit of "window" option to lines-1 */ |
| 631 | *o_window = *o_lines - 1; |
| 632 | #endif |
| 633 | |
| 634 | /* for each assignment... */ |
| 635 | for (name = assignments; *name; ) |
| 636 | { |
| 637 | /* skip whitespace */ |
| 638 | if (*name == ' ' || *name == '\t') |
| 639 | { |
| 640 | name++; |
| 641 | continue; |
| 642 | } |
| 643 | |
| 644 | /* after the name, find the value (if any) */ |
| 645 | for (scan = name; isalnum(*scan); scan++) |
| 646 | { |
| 647 | } |
| 648 | if (*scan == '=') |
| 649 | { |
| 650 | *scan++ = '\0'; |
| 651 | value = build = scan; |
| 652 | for (quote = FALSE; *scan && (quote || !isspace(*scan)); scan++) |
| 653 | { |
| 654 | if (*scan == '"') |
| 655 | { |
| 656 | quote = !quote; |
| 657 | } |
| 658 | else if (*scan == '\\' && scan[1]) |
| 659 | { |
| 660 | *build++ = *++scan; |
| 661 | } |
| 662 | else |
| 663 | { |
| 664 | *build++ = *scan; |
| 665 | } |
| 666 | } |
| 667 | if (*scan) |
| 668 | scan++; |
| 669 | *build = '\0'; |
| 670 | } |
| 671 | else /* no "=" so it is probably boolean... */ |
| 672 | { |
| 673 | if (*scan) |
| 674 | { |
| 675 | *scan++ = '\0'; |
| 676 | } |
| 677 | value = NULL; |
| 678 | prefix = name; |
| 679 | #ifndef CRUNCH |
| 680 | if (!strcmp(name, "novice")) |
| 681 | /* don't check for a "no" prefix */; |
| 682 | else |
| 683 | #endif |
| 684 | if (prefix[0] == 'n' && prefix[1] == 'o') |
| 685 | name += 2; |
| 686 | else if (prefix[0] == 'n' && prefix[1] == 'e' && prefix[2] == 'g') |
| 687 | name += 3; |
| 688 | } |
| 689 | |
| 690 | /* find the variable */ |
| 691 | for (i = 0; |
| 692 | opts[i].name && strcmp(opts[i].name, name) && strcmp(opts[i].nm, name); |
| 693 | i++) |
| 694 | { |
| 695 | } |
| 696 | |
| 697 | /* change the variable */ |
| 698 | if (!opts[i].name) |
| 699 | { |
| 700 | /* only complain about unknown options if we're editing |
| 701 | * a file; i.e., if we're not executing the .exrc now. |
| 702 | */ |
| 703 | if (tmpfd >= 0) |
| 704 | msg("invalid option name \"%s\"", name); |
| 705 | } |
| 706 | else if ((opts[i].flags & CANSET) != CANSET) |
| 707 | { |
| 708 | msg("option \"%s\" can't be altered", name); |
| 709 | } |
| 710 | else if ((opts[i].flags & RCSET) != CANSET && nlines >= 1L) |
| 711 | { |
| 712 | msg("option \"%s\" can only be set in a %s file", name, EXRC); |
| 713 | } |
| 714 | else if (value) |
| 715 | { |
| 716 | switch (opts[i].type) |
| 717 | { |
| 718 | case BOOL: |
| 719 | msg("option \"[no]%s\" is boolean", name); |
| 720 | break; |
| 721 | |
| 722 | case NUM: |
| 723 | j = atoi(value); |
| 724 | if (j == 0 && *value != '0') |
| 725 | { |
| 726 | msg("option \"%s\" must have a numeric value", name); |
| 727 | } |
| 728 | else if (j < opts[i].value[1] || j > (opts[i].value[2] & 0xff)) |
| 729 | { |
| 730 | msg("option \"%s\" must have a value between %d and %d", |
| 731 | name, opts[i].value[1], opts[i].value[2] & 0xff); |
| 732 | } |
| 733 | else |
| 734 | { |
| 735 | *opts[i].value = atoi(value); |
| 736 | opts[i].flags |= SET; |
| 737 | } |
| 738 | break; |
| 739 | |
| 740 | case STR: |
| 741 | strcpy(opts[i].value, value); |
| 742 | opts[i].flags |= SET; |
| 743 | break; |
| 744 | } |
| 745 | if (opts[i].flags & MR) |
| 746 | { |
| 747 | redraw(MARK_UNSET, FALSE); |
| 748 | } |
| 749 | #ifndef CRUNCH |
| 750 | if (opts[i].flags & WSET) |
| 751 | { |
| 752 | wset = TRUE; |
| 753 | } |
| 754 | #endif |
| 755 | } |
| 756 | else /* valid option, no value */ |
| 757 | { |
| 758 | if (opts[i].type == BOOL) |
| 759 | { |
| 760 | if (prefix == name) |
| 761 | *opts[i].value = TRUE; |
| 762 | else if (prefix[1] == 'o') |
| 763 | *opts[i].value = FALSE; |
| 764 | else |
| 765 | *opts[i].value = !*opts[i].value; |
| 766 | |
| 767 | opts[i].flags |= SET; |
| 768 | if (opts[i].flags & MR) |
| 769 | { |
| 770 | redraw(MARK_UNSET, FALSE); |
| 771 | } |
| 772 | } |
| 773 | else |
| 774 | { |
| 775 | msg("option \"%s\" must be given a value", name); |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | /* move on to the next option */ |
| 780 | name = scan; |
| 781 | } |
| 782 | |
| 783 | /* special processing ... */ |
| 784 | |
| 785 | #ifndef CRUNCH |
| 786 | /* if "novice" is set, then ":set report=1 showmode nomagic" */ |
| 787 | if (*o_novice) |
| 788 | { |
| 789 | *o_report = 1; |
| 790 | # ifndef NO_SHOWMODE |
| 791 | *o_smd = TRUE; |
| 792 | # endif |
| 793 | # ifndef NO_MAGIC |
| 794 | *o_magic = FALSE; |
| 795 | # endif |
| 796 | } |
| 797 | #endif |
| 798 | |
| 799 | /* if "readonly" then set the READONLY flag for this file */ |
| 800 | if (*o_readonly) |
| 801 | { |
| 802 | setflag(file, READONLY); |
| 803 | } |
| 804 | |
| 805 | #ifndef NO_DIGRAPH |
| 806 | /* re-initialize the ctype package */ |
| 807 | _ct_init(o_flipcase); |
| 808 | #endif /* not NO_DIGRAPH */ |
| 809 | |
| 810 | /* copy o_lines and o_columns into LINES and COLS */ |
| 811 | LINES = (*o_lines & 255); |
| 812 | COLS = (*o_columns & 255); |
| 813 | } |