Annotation of mandoc/main.c, Revision 1.188
1.188 ! schwarze 1: /* $Id: main.c,v 1.187 2014/08/23 22:26:06 schwarze Exp $ */
1.1 kristaps 2: /*
1.183 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.170 schwarze 4: * Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.169 schwarze 5: * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.25 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.25 kristaps 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.58 kristaps 19: #include "config.h"
1.178 schwarze 20:
21: #include <sys/types.h>
1.58 kristaps 22:
1.1 kristaps 23: #include <assert.h>
1.185 schwarze 24: #include <ctype.h>
1.183 schwarze 25: #include <errno.h>
1.186 schwarze 26: #include <fcntl.h>
1.1 kristaps 27: #include <stdio.h>
1.45 kristaps 28: #include <stdint.h>
1.1 kristaps 29: #include <stdlib.h>
30: #include <string.h>
31: #include <unistd.h>
32:
1.71 kristaps 33: #include "mandoc.h"
1.172 schwarze 34: #include "mandoc_aux.h"
1.90 kristaps 35: #include "main.h"
1.1 kristaps 36: #include "mdoc.h"
1.10 kristaps 37: #include "man.h"
1.180 schwarze 38: #include "manpath.h"
39: #include "mansearch.h"
1.101 joerg 40:
1.55 kristaps 41: #if !defined(__GNUC__) || (__GNUC__ < 2)
1.56 kristaps 42: # if !defined(lint)
43: # define __attribute__(x)
44: # endif
1.55 kristaps 45: #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
1.16 kristaps 46:
1.181 schwarze 47: enum outmode {
48: OUTMODE_DEF = 0,
49: OUTMODE_FLN,
50: OUTMODE_LST,
51: OUTMODE_ALL,
52: OUTMODE_INT,
53: OUTMODE_ONE
54: };
55:
1.42 kristaps 56: typedef void (*out_mdoc)(void *, const struct mdoc *);
57: typedef void (*out_man)(void *, const struct man *);
1.22 kristaps 58: typedef void (*out_free)(void *);
59:
1.19 kristaps 60: enum outt {
1.154 kristaps 61: OUTT_ASCII = 0, /* -Tascii */
1.162 kristaps 62: OUTT_LOCALE, /* -Tlocale */
1.163 kristaps 63: OUTT_UTF8, /* -Tutf8 */
1.154 kristaps 64: OUTT_TREE, /* -Ttree */
1.164 schwarze 65: OUTT_MAN, /* -Tman */
1.154 kristaps 66: OUTT_HTML, /* -Thtml */
67: OUTT_XHTML, /* -Txhtml */
68: OUTT_LINT, /* -Tlint */
69: OUTT_PS, /* -Tps */
70: OUTT_PDF /* -Tpdf */
1.19 kristaps 71: };
72:
1.5 kristaps 73: struct curparse {
1.154 kristaps 74: struct mparse *mp;
1.148 kristaps 75: enum mandoclevel wlevel; /* ignore messages below this */
76: int wstop; /* stop after a file with a warning */
1.173 schwarze 77: enum outt outtype; /* which output to use */
1.79 kristaps 78: out_mdoc outmdoc; /* mdoc output ptr */
1.173 schwarze 79: out_man outman; /* man output ptr */
1.79 kristaps 80: out_free outfree; /* free output ptr */
81: void *outdata; /* data for output */
82: char outopts[BUFSIZ]; /* buf of output opts */
83: };
84:
1.170 schwarze 85: static int moptions(int *, char *);
1.155 kristaps 86: static void mmsg(enum mandocerr, enum mandoclevel,
87: const char *, int, int, const char *);
1.173 schwarze 88: static void parse(struct curparse *, int,
1.154 kristaps 89: const char *, enum mandoclevel *);
1.186 schwarze 90: static enum mandoclevel passthrough(const char *);
1.183 schwarze 91: static void spawn_pager(void);
1.66 kristaps 92: static int toptions(struct curparse *, char *);
1.180 schwarze 93: static void usage(enum argmode) __attribute__((noreturn));
1.55 kristaps 94: static void version(void) __attribute__((noreturn));
1.103 schwarze 95: static int woptions(struct curparse *, char *);
1.1 kristaps 96:
1.182 schwarze 97: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.54 kristaps 98: static const char *progname;
1.1 kristaps 99:
1.173 schwarze 100:
1.1 kristaps 101: int
102: main(int argc, char *argv[])
103: {
1.5 kristaps 104: struct curparse curp;
1.180 schwarze 105: struct mansearch search;
106: struct manpaths paths;
107: char *conf_file, *defpaths, *auxpaths;
108: char *defos;
109: #if HAVE_SQLITE3
1.186 schwarze 110: struct manpage *res, *resp;
1.182 schwarze 111: size_t isec, i, sz;
112: int prio, best_prio;
113: char sec;
1.180 schwarze 114: #endif
115: enum mandoclevel rc;
1.181 schwarze 116: enum outmode outmode;
1.180 schwarze 117: int show_usage;
1.183 schwarze 118: int use_pager;
1.170 schwarze 119: int options;
1.180 schwarze 120: int c;
1.1 kristaps 121:
1.54 kristaps 122: progname = strrchr(argv[0], '/');
123: if (progname == NULL)
124: progname = argv[0];
125: else
126: ++progname;
1.179 schwarze 127:
1.180 schwarze 128: /* Search options. */
129:
130: memset(&paths, 0, sizeof(struct manpaths));
131: conf_file = defpaths = auxpaths = NULL;
132:
133: memset(&search, 0, sizeof(struct mansearch));
134: search.outkey = "Nd";
135:
136: if (strcmp(progname, "man") == 0)
137: search.argmode = ARG_NAME;
138: else if (strncmp(progname, "apropos", 7) == 0)
139: search.argmode = ARG_EXPR;
140: else if (strncmp(progname, "whatis", 6) == 0)
141: search.argmode = ARG_WORD;
142: else
143: search.argmode = ARG_FILE;
144:
145: /* Parser and formatter options. */
1.54 kristaps 146:
1.51 kristaps 147: memset(&curp, 0, sizeof(struct curparse));
1.22 kristaps 148: curp.outtype = OUTT_ASCII;
1.103 schwarze 149: curp.wlevel = MANDOCLEVEL_FATAL;
1.180 schwarze 150: options = MPARSE_SO;
1.166 schwarze 151: defos = NULL;
1.19 kristaps 152:
1.183 schwarze 153: use_pager = 1;
1.180 schwarze 154: show_usage = 0;
1.181 schwarze 155: outmode = OUTMODE_DEF;
1.183 schwarze 156:
1.188 ! schwarze 157: while (-1 != (c = getopt(argc, argv, "aC:cfI:iklM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 158: switch (c) {
1.181 schwarze 159: case 'a':
160: outmode = OUTMODE_ALL;
161: break;
1.180 schwarze 162: case 'C':
163: conf_file = optarg;
164: break;
1.183 schwarze 165: case 'c':
166: use_pager = 0;
167: break;
1.180 schwarze 168: case 'f':
169: search.argmode = ARG_WORD;
170: break;
1.173 schwarze 171: case 'I':
1.166 schwarze 172: if (strncmp(optarg, "os=", 3)) {
1.173 schwarze 173: fprintf(stderr,
1.176 schwarze 174: "%s: -I%s: Bad argument\n",
175: progname, optarg);
1.166 schwarze 176: return((int)MANDOCLEVEL_BADARG);
177: }
178: if (defos) {
1.173 schwarze 179: fprintf(stderr,
1.176 schwarze 180: "%s: -I%s: Duplicate argument\n",
181: progname, optarg);
1.166 schwarze 182: return((int)MANDOCLEVEL_BADARG);
183: }
184: defos = mandoc_strdup(optarg + 3);
185: break;
1.181 schwarze 186: case 'i':
187: outmode = OUTMODE_INT;
188: break;
1.180 schwarze 189: case 'k':
190: search.argmode = ARG_EXPR;
191: break;
1.188 ! schwarze 192: case 'l':
! 193: search.argmode = ARG_FILE;
! 194: outmode = OUTMODE_ALL;
! 195: break;
1.180 schwarze 196: case 'M':
197: defpaths = optarg;
198: break;
1.173 schwarze 199: case 'm':
1.180 schwarze 200: auxpaths = optarg;
1.10 kristaps 201: break;
1.173 schwarze 202: case 'O':
1.180 schwarze 203: search.outkey = optarg;
1.49 kristaps 204: (void)strlcat(curp.outopts, optarg, BUFSIZ);
205: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44 kristaps 206: break;
1.180 schwarze 207: case 'S':
208: search.arch = optarg;
209: break;
210: case 's':
211: search.sec = optarg;
212: break;
1.173 schwarze 213: case 'T':
1.60 kristaps 214: if ( ! toptions(&curp, optarg))
1.105 kristaps 215: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 216: break;
1.173 schwarze 217: case 'W':
1.103 schwarze 218: if ( ! woptions(&curp, optarg))
1.105 kristaps 219: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 220: break;
1.181 schwarze 221: case 'w':
222: outmode = OUTMODE_FLN;
223: break;
1.173 schwarze 224: case 'V':
1.1 kristaps 225: version();
226: /* NOTREACHED */
227: default:
1.180 schwarze 228: show_usage = 1;
229: break;
1.1 kristaps 230: }
1.180 schwarze 231: }
232:
233: if (show_usage)
234: usage(search.argmode);
235:
1.185 schwarze 236: /* Postprocess options. */
237:
1.181 schwarze 238: if (outmode == OUTMODE_DEF) {
239: switch (search.argmode) {
240: case ARG_FILE:
241: outmode = OUTMODE_ALL;
1.183 schwarze 242: use_pager = 0;
1.181 schwarze 243: break;
244: case ARG_NAME:
245: outmode = OUTMODE_ONE;
246: break;
247: default:
248: outmode = OUTMODE_LST;
249: break;
250: }
251: }
252:
1.185 schwarze 253: /* Parse arguments. */
254:
1.180 schwarze 255: argc -= optind;
256: argv += optind;
1.182 schwarze 257: #if HAVE_SQLITE3
1.186 schwarze 258: resp = NULL;
1.182 schwarze 259: #endif
1.185 schwarze 260:
261: /* Quirk for a man(1) section argument without -s. */
262:
263: if (search.argmode == ARG_NAME &&
264: argv[0] != NULL &&
265: isdigit((unsigned char)argv[0][0]) &&
266: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
267: search.sec = argv[0];
268: argv++;
269: argc--;
270: }
1.182 schwarze 271:
272: rc = MANDOCLEVEL_OK;
1.180 schwarze 273:
274: /* man(1), whatis(1), apropos(1) */
275:
276: if (search.argmode != ARG_FILE) {
277: #if HAVE_SQLITE3
278: if (argc == 0)
279: usage(search.argmode);
1.182 schwarze 280:
281: /* Access the mandoc database. */
282:
1.180 schwarze 283: manpath_parse(&paths, conf_file, defpaths, auxpaths);
284: mansearch_setup(1);
285: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
286: usage(search.argmode);
287: manpath_free(&paths);
1.186 schwarze 288: resp = res;
1.187 schwarze 289:
290: if (sz == 0) {
291: if (search.argmode == ARG_NAME)
292: fprintf(stderr, "%s: No entry for %s "
293: "in the manual.\n", progname, argv[0]);
294: rc = MANDOCLEVEL_BADARG;
295: goto out;
296: }
1.182 schwarze 297:
298: /*
299: * For standard man(1) and -a output mode,
300: * prepare for copying filename pointers
301: * into the program parameter array.
302: */
303:
304: if (outmode == OUTMODE_ONE) {
305: argc = 1;
306: best_prio = 10;
1.186 schwarze 307: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 308: argc = (int)sz;
309:
310: /* Iterate all matching manuals. */
311:
1.181 schwarze 312: for (i = 0; i < sz; i++) {
313: if (outmode == OUTMODE_FLN)
314: puts(res[i].file);
1.182 schwarze 315: else if (outmode == OUTMODE_LST)
1.181 schwarze 316: printf("%s - %s\n", res[i].names,
317: res[i].output == NULL ? "" :
318: res[i].output);
1.186 schwarze 319: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 320: /* Search for the best section. */
321: isec = strcspn(res[i].file, "123456789");
322: sec = res[i].file[isec];
323: if ('\0' == sec)
324: continue;
325: prio = sec_prios[sec - '1'];
326: if (prio >= best_prio)
327: continue;
328: best_prio = prio;
1.186 schwarze 329: resp = res + i;
1.182 schwarze 330: }
1.181 schwarze 331: }
1.182 schwarze 332:
333: /*
334: * For man(1), -a and -i output mode, fall through
335: * to the main mandoc(1) code iterating files
336: * and running the parsers on each of them.
337: */
338:
339: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
340: goto out;
1.180 schwarze 341: #else
342: fputs("mandoc: database support not compiled in\n",
343: stderr);
344: return((int)MANDOCLEVEL_BADARG);
345: #endif
346: }
347:
348: /* mandoc(1) */
349:
350: if ( ! moptions(&options, auxpaths))
351: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 352:
1.183 schwarze 353: if (use_pager && isatty(STDOUT_FILENO))
354: spawn_pager();
355:
1.170 schwarze 356: curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
1.154 kristaps 357:
1.165 kristaps 358: /*
359: * Conditionally start up the lookaside buffer before parsing.
360: */
361: if (OUTT_MAN == curp.outtype)
362: mparse_keep(curp.mp);
363:
1.186 schwarze 364: if (argc == 0)
1.154 kristaps 365: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.64 kristaps 366:
1.186 schwarze 367: while (argc) {
368: #if HAVE_SQLITE3
369: if (resp != NULL) {
370: if (resp->form)
371: parse(&curp, -1, resp->file, &rc);
372: else
373: rc = passthrough(resp->file);
374: resp++;
375: } else
376: #endif
377: parse(&curp, -1, *argv++, &rc);
1.154 kristaps 378: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.64 kristaps 379: break;
1.186 schwarze 380: argc--;
1.1 kristaps 381: }
382:
1.22 kristaps 383: if (curp.outfree)
384: (*curp.outfree)(curp.outdata);
1.154 kristaps 385: if (curp.mp)
386: mparse_free(curp.mp);
1.182 schwarze 387:
388: #if HAVE_SQLITE3
389: out:
390: if (search.argmode != ARG_FILE) {
391: mansearch_free(res, sz);
392: mansearch_setup(0);
393: }
394: #endif
395:
1.166 schwarze 396: free(defos);
1.1 kristaps 397:
1.154 kristaps 398: return((int)rc);
1.1 kristaps 399: }
400:
1.55 kristaps 401: static void
1.1 kristaps 402: version(void)
403: {
404:
1.180 schwarze 405: printf("mandoc %s\n", VERSION);
1.105 kristaps 406: exit((int)MANDOCLEVEL_OK);
1.1 kristaps 407: }
408:
1.55 kristaps 409: static void
1.180 schwarze 410: usage(enum argmode argmode)
1.1 kristaps 411: {
412:
1.180 schwarze 413: switch (argmode) {
414: case ARG_FILE:
1.188 ! schwarze 415: fputs("usage: mandoc [-acfklV] [-Ios=name] "
! 416: "[-mformat] [-Ooption] [-Toutput] [-Wlevel]\n"
1.180 schwarze 417: "\t [file ...]\n", stderr);
418: break;
419: case ARG_NAME:
1.188 ! schwarze 420: fputs("usage: man [-acfhklVw] [-C file] "
1.180 schwarze 421: "[-M path] [-m path] [-S arch] [-s section]\n"
422: "\t [section] name ...\n", stderr);
423: break;
424: case ARG_WORD:
1.188 ! schwarze 425: fputs("usage: whatis [-acfklVw] [-C file] "
! 426: "[-M path] [-m path] [-O outkey] [-S arch]\n"
! 427: "\t [-s section] name ...\n", stderr);
1.180 schwarze 428: break;
429: case ARG_EXPR:
1.188 ! schwarze 430: fputs("usage: apropos [-acfklVw] [-C file] "
! 431: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 432: "\t [-s section] expression ...\n", stderr);
433: break;
434: }
1.105 kristaps 435: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 436: }
437:
1.64 kristaps 438: static void
1.173 schwarze 439: parse(struct curparse *curp, int fd, const char *file,
440: enum mandoclevel *level)
1.1 kristaps 441: {
1.154 kristaps 442: enum mandoclevel rc;
443: struct mdoc *mdoc;
444: struct man *man;
1.112 kristaps 445:
1.154 kristaps 446: /* Begin by parsing the file itself. */
1.112 kristaps 447:
1.154 kristaps 448: assert(file);
449: assert(fd >= -1);
1.112 kristaps 450:
1.154 kristaps 451: rc = mparse_readfd(curp->mp, fd, file);
1.112 kristaps 452:
1.154 kristaps 453: /* Stop immediately if the parse has failed. */
1.92 kristaps 454:
1.154 kristaps 455: if (MANDOCLEVEL_FATAL <= rc)
1.111 kristaps 456: goto cleanup;
457:
1.1 kristaps 458: /*
1.154 kristaps 459: * With -Wstop and warnings or errors of at least the requested
460: * level, do not produce output.
1.1 kristaps 461: */
462:
1.154 kristaps 463: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.111 kristaps 464: goto cleanup;
465:
466: /* If unset, allocate output dev now (if applicable). */
467:
468: if ( ! (curp->outman && curp->outmdoc)) {
469: switch (curp->outtype) {
1.173 schwarze 470: case OUTT_XHTML:
1.111 kristaps 471: curp->outdata = xhtml_alloc(curp->outopts);
1.162 kristaps 472: curp->outfree = html_free;
1.111 kristaps 473: break;
1.173 schwarze 474: case OUTT_HTML:
1.111 kristaps 475: curp->outdata = html_alloc(curp->outopts);
1.162 kristaps 476: curp->outfree = html_free;
477: break;
1.173 schwarze 478: case OUTT_UTF8:
1.163 kristaps 479: curp->outdata = utf8_alloc(curp->outopts);
480: curp->outfree = ascii_free;
481: break;
1.173 schwarze 482: case OUTT_LOCALE:
1.162 kristaps 483: curp->outdata = locale_alloc(curp->outopts);
484: curp->outfree = ascii_free;
1.111 kristaps 485: break;
1.173 schwarze 486: case OUTT_ASCII:
1.111 kristaps 487: curp->outdata = ascii_alloc(curp->outopts);
488: curp->outfree = ascii_free;
489: break;
1.173 schwarze 490: case OUTT_PDF:
1.111 kristaps 491: curp->outdata = pdf_alloc(curp->outopts);
492: curp->outfree = pspdf_free;
493: break;
1.173 schwarze 494: case OUTT_PS:
1.111 kristaps 495: curp->outdata = ps_alloc(curp->outopts);
496: curp->outfree = pspdf_free;
497: break;
498: default:
499: break;
500: }
501:
502: switch (curp->outtype) {
1.173 schwarze 503: case OUTT_HTML:
1.111 kristaps 504: /* FALLTHROUGH */
1.173 schwarze 505: case OUTT_XHTML:
1.111 kristaps 506: curp->outman = html_man;
507: curp->outmdoc = html_mdoc;
508: break;
1.173 schwarze 509: case OUTT_TREE:
1.111 kristaps 510: curp->outman = tree_man;
511: curp->outmdoc = tree_mdoc;
512: break;
1.173 schwarze 513: case OUTT_MAN:
1.164 schwarze 514: curp->outmdoc = man_mdoc;
1.165 kristaps 515: curp->outman = man_man;
1.164 schwarze 516: break;
1.173 schwarze 517: case OUTT_PDF:
1.111 kristaps 518: /* FALLTHROUGH */
1.173 schwarze 519: case OUTT_ASCII:
1.111 kristaps 520: /* FALLTHROUGH */
1.173 schwarze 521: case OUTT_UTF8:
1.163 kristaps 522: /* FALLTHROUGH */
1.173 schwarze 523: case OUTT_LOCALE:
1.162 kristaps 524: /* FALLTHROUGH */
1.173 schwarze 525: case OUTT_PS:
1.111 kristaps 526: curp->outman = terminal_man;
527: curp->outmdoc = terminal_mdoc;
528: break;
529: default:
530: break;
531: }
532: }
533:
1.171 schwarze 534: mparse_result(curp->mp, &mdoc, &man, NULL);
1.154 kristaps 535:
1.111 kristaps 536: /* Execute the out device, if it exists. */
537:
1.154 kristaps 538: if (man && curp->outman)
539: (*curp->outman)(curp->outdata, man);
540: if (mdoc && curp->outmdoc)
541: (*curp->outmdoc)(curp->outdata, mdoc);
1.111 kristaps 542:
543: cleanup:
1.112 kristaps 544:
1.154 kristaps 545: mparse_reset(curp->mp);
1.111 kristaps 546:
1.154 kristaps 547: if (*level < rc)
548: *level = rc;
1.186 schwarze 549: }
550:
551: static enum mandoclevel
552: passthrough(const char *file)
553: {
554: char buf[BUFSIZ];
555: const char *syscall;
556: ssize_t nr, nw, off;
557: int fd;
558:
559: fd = open(file, O_RDONLY);
560: if (fd == -1) {
561: syscall = "open";
562: goto fail;
563: }
564:
565: while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
566: for (off = 0; off < nr; off += nw)
567: if ((nw = write(STDOUT_FILENO, buf + off,
568: (size_t)(nr - off))) == -1 || nw == 0) {
569: syscall = "write";
570: goto fail;
571: }
572:
573: if (nr == 0) {
574: close(fd);
575: return(MANDOCLEVEL_OK);
576: }
577:
578: syscall = "read";
579: fail:
580: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
581: progname, file, syscall, strerror(errno));
582: return(MANDOCLEVEL_SYSERR);
1.10 kristaps 583: }
584:
585: static int
1.170 schwarze 586: moptions(int *options, char *arg)
1.10 kristaps 587: {
588:
1.180 schwarze 589: if (arg == NULL)
590: /* nothing to do */;
591: else if (0 == strcmp(arg, "doc"))
1.170 schwarze 592: *options |= MPARSE_MDOC;
1.19 kristaps 593: else if (0 == strcmp(arg, "andoc"))
1.170 schwarze 594: /* nothing to do */;
1.17 kristaps 595: else if (0 == strcmp(arg, "an"))
1.170 schwarze 596: *options |= MPARSE_MAN;
1.10 kristaps 597: else {
1.176 schwarze 598: fprintf(stderr, "%s: -m%s: Bad argument\n",
599: progname, arg);
1.10 kristaps 600: return(0);
601: }
602:
603: return(1);
1.1 kristaps 604: }
605:
606: static int
1.60 kristaps 607: toptions(struct curparse *curp, char *arg)
1.1 kristaps 608: {
609:
610: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 611: curp->outtype = OUTT_ASCII;
612: else if (0 == strcmp(arg, "lint")) {
613: curp->outtype = OUTT_LINT;
1.103 schwarze 614: curp->wlevel = MANDOCLEVEL_WARNING;
1.154 kristaps 615: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 616: curp->outtype = OUTT_TREE;
1.164 schwarze 617: else if (0 == strcmp(arg, "man"))
618: curp->outtype = OUTT_MAN;
1.43 kristaps 619: else if (0 == strcmp(arg, "html"))
1.60 kristaps 620: curp->outtype = OUTT_HTML;
1.163 kristaps 621: else if (0 == strcmp(arg, "utf8"))
622: curp->outtype = OUTT_UTF8;
1.162 kristaps 623: else if (0 == strcmp(arg, "locale"))
624: curp->outtype = OUTT_LOCALE;
1.59 kristaps 625: else if (0 == strcmp(arg, "xhtml"))
1.60 kristaps 626: curp->outtype = OUTT_XHTML;
1.85 kristaps 627: else if (0 == strcmp(arg, "ps"))
628: curp->outtype = OUTT_PS;
1.100 kristaps 629: else if (0 == strcmp(arg, "pdf"))
630: curp->outtype = OUTT_PDF;
1.1 kristaps 631: else {
1.176 schwarze 632: fprintf(stderr, "%s: -T%s: Bad argument\n",
633: progname, arg);
1.1 kristaps 634: return(0);
635: }
636:
637: return(1);
638: }
639:
640: static int
1.103 schwarze 641: woptions(struct curparse *curp, char *arg)
1.1 kristaps 642: {
1.34 kristaps 643: char *v, *o;
1.173 schwarze 644: const char *toks[6];
1.1 kristaps 645:
1.103 schwarze 646: toks[0] = "stop";
647: toks[1] = "all";
648: toks[2] = "warning";
649: toks[3] = "error";
650: toks[4] = "fatal";
651: toks[5] = NULL;
1.1 kristaps 652:
1.34 kristaps 653: while (*arg) {
654: o = arg;
1.45 kristaps 655: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.173 schwarze 656: case 0:
1.103 schwarze 657: curp->wstop = 1;
1.1 kristaps 658: break;
1.173 schwarze 659: case 1:
1.103 schwarze 660: /* FALLTHROUGH */
1.173 schwarze 661: case 2:
1.103 schwarze 662: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 663: break;
1.173 schwarze 664: case 3:
1.103 schwarze 665: curp->wlevel = MANDOCLEVEL_ERROR;
1.24 kristaps 666: break;
1.173 schwarze 667: case 4:
1.103 schwarze 668: curp->wlevel = MANDOCLEVEL_FATAL;
1.50 kristaps 669: break;
1.1 kristaps 670: default:
1.176 schwarze 671: fprintf(stderr, "%s: -W%s: Bad argument\n",
672: progname, o);
1.1 kristaps 673: return(0);
674: }
1.34 kristaps 675: }
1.1 kristaps 676:
677: return(1);
678: }
679:
1.153 kristaps 680: static void
1.173 schwarze 681: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.155 kristaps 682: const char *file, int line, int col, const char *msg)
1.71 kristaps 683: {
1.177 schwarze 684: const char *mparse_msg;
1.103 schwarze 685:
1.175 schwarze 686: fprintf(stderr, "%s: %s:", progname, file);
687:
688: if (line)
689: fprintf(stderr, "%d:%d:", line, col + 1);
690:
1.177 schwarze 691: fprintf(stderr, " %s", mparse_strlevel(lvl));
692:
693: if (NULL != (mparse_msg = mparse_strerror(t)))
694: fprintf(stderr, ": %s", mparse_msg);
1.154 kristaps 695:
1.73 kristaps 696: if (msg)
697: fprintf(stderr, ": %s", msg);
1.154 kristaps 698:
1.73 kristaps 699: fputc('\n', stderr);
1.183 schwarze 700: }
701:
702: static void
703: spawn_pager(void)
704: {
1.184 schwarze 705: #define MAX_PAGER_ARGS 16
706: char *argv[MAX_PAGER_ARGS];
707: const char *pager;
708: char *cp;
709: int fildes[2];
710: int argc;
1.183 schwarze 711:
712: if (pipe(fildes) == -1) {
713: fprintf(stderr, "%s: pipe: %s\n",
714: progname, strerror(errno));
715: return;
716: }
717:
718: switch (fork()) {
719: case -1:
720: fprintf(stderr, "%s: fork: %s\n",
721: progname, strerror(errno));
722: exit((int)MANDOCLEVEL_SYSERR);
723: case 0:
724: close(fildes[0]);
725: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
726: fprintf(stderr, "%s: dup output: %s\n",
727: progname, strerror(errno));
728: exit((int)MANDOCLEVEL_SYSERR);
729: }
730: return;
731: default:
1.184 schwarze 732: break;
733: }
734:
735: /* The original process becomes the pager. */
736:
737: close(fildes[1]);
738: if (dup2(fildes[0], STDIN_FILENO) == -1) {
739: fprintf(stderr, "%s: dup input: %s\n",
740: progname, strerror(errno));
1.183 schwarze 741: exit((int)MANDOCLEVEL_SYSERR);
742: }
1.184 schwarze 743:
744: pager = getenv("MANPAGER");
745: if (pager == NULL || *pager == '\0')
746: pager = getenv("PAGER");
747: if (pager == NULL || *pager == '\0')
748: pager = "/usr/bin/more -s";
749: cp = mandoc_strdup(pager);
750:
751: /*
752: * Parse the pager command into words.
753: * Intentionally do not do anything fancy here.
754: */
755:
756: argc = 0;
757: while (argc + 1 < MAX_PAGER_ARGS) {
758: argv[argc++] = cp;
759: cp = strchr(cp, ' ');
760: if (cp == NULL)
761: break;
762: *cp++ = '\0';
763: while (*cp == ' ')
764: cp++;
765: if (*cp == '\0')
766: break;
767: }
768: argv[argc] = NULL;
769:
770: /* Hand over to the pager. */
771:
772: execvp(argv[0], argv);
773: fprintf(stderr, "%s: exec: %s\n",
774: progname, strerror(errno));
775: exit((int)MANDOCLEVEL_SYSERR);
1.71 kristaps 776: }
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