Annotation of mandoc/main.c, Revision 1.204
1.204 ! schwarze 1: /* $Id: main.c,v 1.203 2014/12/09 07:29:42 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_LINT, /* -Tlint */
68: OUTT_PS, /* -Tps */
69: OUTT_PDF /* -Tpdf */
1.19 kristaps 70: };
71:
1.5 kristaps 72: struct curparse {
1.154 kristaps 73: struct mparse *mp;
1.195 schwarze 74: struct mchars *mchars; /* character table */
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:
1.194 schwarze 85: static int koptions(int *, char *);
1.203 schwarze 86: #if HAVE_SQLITE3
87: int mandocdb(int, char**);
88: #endif
1.170 schwarze 89: static int moptions(int *, char *);
1.155 kristaps 90: static void mmsg(enum mandocerr, enum mandoclevel,
91: const char *, int, int, const char *);
1.173 schwarze 92: static void parse(struct curparse *, int,
1.154 kristaps 93: const char *, enum mandoclevel *);
1.197 schwarze 94: static enum mandoclevel passthrough(const char *, int, int);
1.183 schwarze 95: static void spawn_pager(void);
1.66 kristaps 96: static int toptions(struct curparse *, char *);
1.180 schwarze 97: static void usage(enum argmode) __attribute__((noreturn));
1.55 kristaps 98: static void version(void) __attribute__((noreturn));
1.103 schwarze 99: static int woptions(struct curparse *, char *);
1.1 kristaps 100:
1.182 schwarze 101: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.202 schwarze 102: static char help_arg[] = "help";
103: static char *help_argv[] = {help_arg, NULL};
1.54 kristaps 104: static const char *progname;
1.1 kristaps 105:
1.173 schwarze 106:
1.1 kristaps 107: int
108: main(int argc, char *argv[])
109: {
1.5 kristaps 110: struct curparse curp;
1.180 schwarze 111: struct mansearch search;
112: struct manpaths paths;
113: char *conf_file, *defpaths, *auxpaths;
114: char *defos;
115: #if HAVE_SQLITE3
1.186 schwarze 116: struct manpage *res, *resp;
1.182 schwarze 117: size_t isec, i, sz;
118: int prio, best_prio;
119: char sec;
1.180 schwarze 120: #endif
121: enum mandoclevel rc;
1.181 schwarze 122: enum outmode outmode;
1.192 schwarze 123: int fd;
1.180 schwarze 124: int show_usage;
1.183 schwarze 125: int use_pager;
1.197 schwarze 126: int synopsis_only;
1.170 schwarze 127: int options;
1.180 schwarze 128: int c;
1.1 kristaps 129:
1.54 kristaps 130: progname = strrchr(argv[0], '/');
131: if (progname == NULL)
132: progname = argv[0];
133: else
134: ++progname;
1.203 schwarze 135:
136: #if HAVE_SQLITE3
1.204 ! schwarze 137: if (strcmp(progname, BINM_MAKEWHATIS) == 0)
1.203 schwarze 138: return(mandocdb(argc, argv));
139: #endif
1.179 schwarze 140:
1.180 schwarze 141: /* Search options. */
142:
143: memset(&paths, 0, sizeof(struct manpaths));
144: conf_file = defpaths = auxpaths = NULL;
145:
146: memset(&search, 0, sizeof(struct mansearch));
147: search.outkey = "Nd";
148:
1.204 ! schwarze 149: if (strcmp(progname, BINM_MAN) == 0)
1.180 schwarze 150: search.argmode = ARG_NAME;
1.204 ! schwarze 151: else if (strcmp(progname, BINM_APROPOS) == 0)
1.180 schwarze 152: search.argmode = ARG_EXPR;
1.204 ! schwarze 153: else if (strcmp(progname, BINM_WHATIS) == 0)
1.180 schwarze 154: search.argmode = ARG_WORD;
1.202 schwarze 155: else if (strncmp(progname, "help", 4) == 0)
156: search.argmode = ARG_NAME;
1.180 schwarze 157: else
158: search.argmode = ARG_FILE;
159:
160: /* Parser and formatter options. */
1.54 kristaps 161:
1.51 kristaps 162: memset(&curp, 0, sizeof(struct curparse));
1.201 schwarze 163: curp.outtype = OUTT_LOCALE;
1.103 schwarze 164: curp.wlevel = MANDOCLEVEL_FATAL;
1.194 schwarze 165: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.166 schwarze 166: defos = NULL;
1.19 kristaps 167:
1.183 schwarze 168: use_pager = 1;
1.180 schwarze 169: show_usage = 0;
1.197 schwarze 170: synopsis_only = 0;
1.181 schwarze 171: outmode = OUTMODE_DEF;
1.183 schwarze 172:
1.194 schwarze 173: while (-1 != (c = getopt(argc, argv,
174: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 175: switch (c) {
1.181 schwarze 176: case 'a':
177: outmode = OUTMODE_ALL;
178: break;
1.180 schwarze 179: case 'C':
180: conf_file = optarg;
181: break;
1.183 schwarze 182: case 'c':
183: use_pager = 0;
184: break;
1.180 schwarze 185: case 'f':
186: search.argmode = ARG_WORD;
187: break;
1.190 schwarze 188: case 'h':
189: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
1.197 schwarze 190: synopsis_only = 1;
1.198 schwarze 191: use_pager = 0;
1.190 schwarze 192: outmode = OUTMODE_ALL;
193: break;
1.173 schwarze 194: case 'I':
1.166 schwarze 195: if (strncmp(optarg, "os=", 3)) {
1.173 schwarze 196: fprintf(stderr,
1.176 schwarze 197: "%s: -I%s: Bad argument\n",
198: progname, optarg);
1.166 schwarze 199: return((int)MANDOCLEVEL_BADARG);
200: }
201: if (defos) {
1.173 schwarze 202: fprintf(stderr,
1.176 schwarze 203: "%s: -I%s: Duplicate argument\n",
204: progname, optarg);
1.166 schwarze 205: return((int)MANDOCLEVEL_BADARG);
206: }
207: defos = mandoc_strdup(optarg + 3);
208: break;
1.181 schwarze 209: case 'i':
210: outmode = OUTMODE_INT;
211: break;
1.194 schwarze 212: case 'K':
213: if ( ! koptions(&options, optarg))
214: return((int)MANDOCLEVEL_BADARG);
215: break;
1.180 schwarze 216: case 'k':
217: search.argmode = ARG_EXPR;
218: break;
1.188 schwarze 219: case 'l':
220: search.argmode = ARG_FILE;
221: outmode = OUTMODE_ALL;
222: break;
1.180 schwarze 223: case 'M':
224: defpaths = optarg;
225: break;
1.173 schwarze 226: case 'm':
1.180 schwarze 227: auxpaths = optarg;
1.10 kristaps 228: break;
1.173 schwarze 229: case 'O':
1.180 schwarze 230: search.outkey = optarg;
1.49 kristaps 231: (void)strlcat(curp.outopts, optarg, BUFSIZ);
232: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44 kristaps 233: break;
1.180 schwarze 234: case 'S':
235: search.arch = optarg;
236: break;
237: case 's':
238: search.sec = optarg;
239: break;
1.173 schwarze 240: case 'T':
1.60 kristaps 241: if ( ! toptions(&curp, optarg))
1.105 kristaps 242: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 243: break;
1.173 schwarze 244: case 'W':
1.103 schwarze 245: if ( ! woptions(&curp, optarg))
1.105 kristaps 246: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 247: break;
1.181 schwarze 248: case 'w':
249: outmode = OUTMODE_FLN;
250: break;
1.173 schwarze 251: case 'V':
1.1 kristaps 252: version();
253: /* NOTREACHED */
254: default:
1.180 schwarze 255: show_usage = 1;
256: break;
1.1 kristaps 257: }
1.180 schwarze 258: }
259:
260: if (show_usage)
261: usage(search.argmode);
262:
1.185 schwarze 263: /* Postprocess options. */
264:
1.181 schwarze 265: if (outmode == OUTMODE_DEF) {
266: switch (search.argmode) {
267: case ARG_FILE:
268: outmode = OUTMODE_ALL;
1.183 schwarze 269: use_pager = 0;
1.181 schwarze 270: break;
271: case ARG_NAME:
272: outmode = OUTMODE_ONE;
273: break;
274: default:
275: outmode = OUTMODE_LST;
276: break;
277: }
278: }
279:
1.185 schwarze 280: /* Parse arguments. */
281:
1.180 schwarze 282: argc -= optind;
283: argv += optind;
1.182 schwarze 284: #if HAVE_SQLITE3
1.186 schwarze 285: resp = NULL;
1.182 schwarze 286: #endif
1.185 schwarze 287:
1.202 schwarze 288: /*
289: * Quirks for help(1)
290: * and for a man(1) section argument without -s.
291: */
292:
293: if (search.argmode == ARG_NAME) {
294: if (*progname == 'h') {
295: if (argc == 0) {
296: argv = help_argv;
297: argc = 1;
298: }
299: } else if (argv[0] != NULL &&
300: isdigit((unsigned char)argv[0][0]) &&
301: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
302: search.sec = argv[0];
303: argv++;
304: argc--;
305: }
1.185 schwarze 306: }
1.182 schwarze 307:
308: rc = MANDOCLEVEL_OK;
1.180 schwarze 309:
310: /* man(1), whatis(1), apropos(1) */
311:
312: if (search.argmode != ARG_FILE) {
313: #if HAVE_SQLITE3
314: if (argc == 0)
315: usage(search.argmode);
1.199 schwarze 316:
317: if (search.argmode == ARG_NAME &&
318: outmode == OUTMODE_ONE)
319: search.firstmatch = 1;
1.182 schwarze 320:
321: /* Access the mandoc database. */
322:
1.180 schwarze 323: manpath_parse(&paths, conf_file, defpaths, auxpaths);
324: mansearch_setup(1);
325: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
326: usage(search.argmode);
1.186 schwarze 327: resp = res;
1.187 schwarze 328:
329: if (sz == 0) {
330: if (search.argmode == ARG_NAME)
331: fprintf(stderr, "%s: No entry for %s "
332: "in the manual.\n", progname, argv[0]);
333: rc = MANDOCLEVEL_BADARG;
334: goto out;
335: }
1.182 schwarze 336:
337: /*
338: * For standard man(1) and -a output mode,
339: * prepare for copying filename pointers
340: * into the program parameter array.
341: */
342:
343: if (outmode == OUTMODE_ONE) {
344: argc = 1;
345: best_prio = 10;
1.186 schwarze 346: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 347: argc = (int)sz;
348:
349: /* Iterate all matching manuals. */
350:
1.181 schwarze 351: for (i = 0; i < sz; i++) {
352: if (outmode == OUTMODE_FLN)
353: puts(res[i].file);
1.182 schwarze 354: else if (outmode == OUTMODE_LST)
1.181 schwarze 355: printf("%s - %s\n", res[i].names,
356: res[i].output == NULL ? "" :
357: res[i].output);
1.186 schwarze 358: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 359: /* Search for the best section. */
360: isec = strcspn(res[i].file, "123456789");
361: sec = res[i].file[isec];
362: if ('\0' == sec)
363: continue;
364: prio = sec_prios[sec - '1'];
365: if (prio >= best_prio)
366: continue;
367: best_prio = prio;
1.186 schwarze 368: resp = res + i;
1.182 schwarze 369: }
1.181 schwarze 370: }
1.182 schwarze 371:
372: /*
373: * For man(1), -a and -i output mode, fall through
374: * to the main mandoc(1) code iterating files
375: * and running the parsers on each of them.
376: */
377:
378: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
379: goto out;
1.180 schwarze 380: #else
381: fputs("mandoc: database support not compiled in\n",
382: stderr);
383: return((int)MANDOCLEVEL_BADARG);
384: #endif
385: }
386:
387: /* mandoc(1) */
388:
389: if ( ! moptions(&options, auxpaths))
390: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 391:
1.183 schwarze 392: if (use_pager && isatty(STDOUT_FILENO))
393: spawn_pager();
394:
1.195 schwarze 395: curp.mchars = mchars_alloc();
396: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
397: curp.mchars, defos);
1.154 kristaps 398:
1.165 kristaps 399: /*
400: * Conditionally start up the lookaside buffer before parsing.
401: */
402: if (OUTT_MAN == curp.outtype)
403: mparse_keep(curp.mp);
404:
1.186 schwarze 405: if (argc == 0)
1.154 kristaps 406: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.64 kristaps 407:
1.186 schwarze 408: while (argc) {
409: #if HAVE_SQLITE3
410: if (resp != NULL) {
1.200 schwarze 411: rc = mparse_open(curp.mp, &fd, resp->file);
1.192 schwarze 412: if (fd == -1)
413: /* nothing */;
414: else if (resp->form & FORM_SRC) {
1.189 schwarze 415: /* For .so only; ignore failure. */
416: chdir(paths.paths[resp->ipath]);
1.192 schwarze 417: parse(&curp, fd, resp->file, &rc);
1.189 schwarze 418: } else
1.197 schwarze 419: rc = passthrough(resp->file, fd,
420: synopsis_only);
1.186 schwarze 421: resp++;
422: } else
423: #endif
1.192 schwarze 424: {
1.200 schwarze 425: rc = mparse_open(curp.mp, &fd, *argv++);
1.192 schwarze 426: if (fd != -1)
427: parse(&curp, fd, argv[-1], &rc);
428: }
429:
1.200 schwarze 430: if (mparse_wait(curp.mp) != MANDOCLEVEL_OK)
1.192 schwarze 431: rc = MANDOCLEVEL_SYSERR;
432:
1.154 kristaps 433: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.64 kristaps 434: break;
1.186 schwarze 435: argc--;
1.1 kristaps 436: }
437:
1.22 kristaps 438: if (curp.outfree)
439: (*curp.outfree)(curp.outdata);
1.195 schwarze 440: mparse_free(curp.mp);
441: mchars_free(curp.mchars);
1.182 schwarze 442:
443: #if HAVE_SQLITE3
444: out:
445: if (search.argmode != ARG_FILE) {
1.189 schwarze 446: manpath_free(&paths);
1.182 schwarze 447: mansearch_free(res, sz);
448: mansearch_setup(0);
449: }
450: #endif
451:
1.166 schwarze 452: free(defos);
1.1 kristaps 453:
1.154 kristaps 454: return((int)rc);
1.1 kristaps 455: }
456:
1.55 kristaps 457: static void
1.1 kristaps 458: version(void)
459: {
460:
1.180 schwarze 461: printf("mandoc %s\n", VERSION);
1.105 kristaps 462: exit((int)MANDOCLEVEL_OK);
1.1 kristaps 463: }
464:
1.55 kristaps 465: static void
1.180 schwarze 466: usage(enum argmode argmode)
1.1 kristaps 467: {
468:
1.180 schwarze 469: switch (argmode) {
470: case ARG_FILE:
1.190 schwarze 471: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.196 schwarze 472: "[-Kencoding] [-mformat] [-Ooption]\n"
473: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.180 schwarze 474: break;
475: case ARG_NAME:
1.188 schwarze 476: fputs("usage: man [-acfhklVw] [-C file] "
1.180 schwarze 477: "[-M path] [-m path] [-S arch] [-s section]\n"
478: "\t [section] name ...\n", stderr);
479: break;
480: case ARG_WORD:
1.190 schwarze 481: fputs("usage: whatis [-acfhklVw] [-C file] "
1.188 schwarze 482: "[-M path] [-m path] [-O outkey] [-S arch]\n"
483: "\t [-s section] name ...\n", stderr);
1.180 schwarze 484: break;
485: case ARG_EXPR:
1.190 schwarze 486: fputs("usage: apropos [-acfhklVw] [-C file] "
1.188 schwarze 487: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 488: "\t [-s section] expression ...\n", stderr);
489: break;
490: }
1.105 kristaps 491: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 492: }
493:
1.64 kristaps 494: static void
1.173 schwarze 495: parse(struct curparse *curp, int fd, const char *file,
496: enum mandoclevel *level)
1.1 kristaps 497: {
1.154 kristaps 498: enum mandoclevel rc;
499: struct mdoc *mdoc;
500: struct man *man;
1.112 kristaps 501:
1.154 kristaps 502: /* Begin by parsing the file itself. */
1.112 kristaps 503:
1.154 kristaps 504: assert(file);
505: assert(fd >= -1);
1.112 kristaps 506:
1.154 kristaps 507: rc = mparse_readfd(curp->mp, fd, file);
1.112 kristaps 508:
1.154 kristaps 509: /* Stop immediately if the parse has failed. */
1.92 kristaps 510:
1.154 kristaps 511: if (MANDOCLEVEL_FATAL <= rc)
1.111 kristaps 512: goto cleanup;
513:
1.1 kristaps 514: /*
1.154 kristaps 515: * With -Wstop and warnings or errors of at least the requested
516: * level, do not produce output.
1.1 kristaps 517: */
518:
1.154 kristaps 519: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.111 kristaps 520: goto cleanup;
521:
522: /* If unset, allocate output dev now (if applicable). */
523:
524: if ( ! (curp->outman && curp->outmdoc)) {
525: switch (curp->outtype) {
1.173 schwarze 526: case OUTT_HTML:
1.195 schwarze 527: curp->outdata = html_alloc(curp->mchars,
528: curp->outopts);
1.162 kristaps 529: curp->outfree = html_free;
530: break;
1.173 schwarze 531: case OUTT_UTF8:
1.195 schwarze 532: curp->outdata = utf8_alloc(curp->mchars,
533: curp->outopts);
1.163 kristaps 534: curp->outfree = ascii_free;
535: break;
1.173 schwarze 536: case OUTT_LOCALE:
1.195 schwarze 537: curp->outdata = locale_alloc(curp->mchars,
538: curp->outopts);
1.162 kristaps 539: curp->outfree = ascii_free;
1.111 kristaps 540: break;
1.173 schwarze 541: case OUTT_ASCII:
1.195 schwarze 542: curp->outdata = ascii_alloc(curp->mchars,
543: curp->outopts);
1.111 kristaps 544: curp->outfree = ascii_free;
545: break;
1.173 schwarze 546: case OUTT_PDF:
1.195 schwarze 547: curp->outdata = pdf_alloc(curp->mchars,
548: curp->outopts);
1.111 kristaps 549: curp->outfree = pspdf_free;
550: break;
1.173 schwarze 551: case OUTT_PS:
1.195 schwarze 552: curp->outdata = ps_alloc(curp->mchars,
553: curp->outopts);
1.111 kristaps 554: curp->outfree = pspdf_free;
555: break;
556: default:
557: break;
558: }
559:
560: switch (curp->outtype) {
1.173 schwarze 561: case OUTT_HTML:
1.111 kristaps 562: curp->outman = html_man;
563: curp->outmdoc = html_mdoc;
564: break;
1.173 schwarze 565: case OUTT_TREE:
1.111 kristaps 566: curp->outman = tree_man;
567: curp->outmdoc = tree_mdoc;
568: break;
1.173 schwarze 569: case OUTT_MAN:
1.164 schwarze 570: curp->outmdoc = man_mdoc;
1.165 kristaps 571: curp->outman = man_man;
1.164 schwarze 572: break;
1.173 schwarze 573: case OUTT_PDF:
1.111 kristaps 574: /* FALLTHROUGH */
1.173 schwarze 575: case OUTT_ASCII:
1.111 kristaps 576: /* FALLTHROUGH */
1.173 schwarze 577: case OUTT_UTF8:
1.163 kristaps 578: /* FALLTHROUGH */
1.173 schwarze 579: case OUTT_LOCALE:
1.162 kristaps 580: /* FALLTHROUGH */
1.173 schwarze 581: case OUTT_PS:
1.111 kristaps 582: curp->outman = terminal_man;
583: curp->outmdoc = terminal_mdoc;
584: break;
585: default:
586: break;
587: }
588: }
589:
1.171 schwarze 590: mparse_result(curp->mp, &mdoc, &man, NULL);
1.154 kristaps 591:
1.111 kristaps 592: /* Execute the out device, if it exists. */
593:
1.154 kristaps 594: if (man && curp->outman)
595: (*curp->outman)(curp->outdata, man);
596: if (mdoc && curp->outmdoc)
597: (*curp->outmdoc)(curp->outdata, mdoc);
1.111 kristaps 598:
599: cleanup:
1.112 kristaps 600:
1.154 kristaps 601: mparse_reset(curp->mp);
1.111 kristaps 602:
1.154 kristaps 603: if (*level < rc)
604: *level = rc;
1.186 schwarze 605: }
606:
607: static enum mandoclevel
1.197 schwarze 608: passthrough(const char *file, int fd, int synopsis_only)
1.186 schwarze 609: {
1.197 schwarze 610: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
611: const char synr[] = "SYNOPSIS";
612:
613: FILE *stream;
1.186 schwarze 614: const char *syscall;
1.197 schwarze 615: char *line;
616: size_t len, off;
617: ssize_t nw;
618: int print;
619:
620: if ((stream = fdopen(fd, "r")) == NULL) {
621: close(fd);
622: syscall = "fdopen";
623: goto fail;
624: }
1.186 schwarze 625:
1.197 schwarze 626: print = 0;
627: while ((line = fgetln(stream, &len)) != NULL) {
628: if (synopsis_only) {
629: if (print) {
630: if ( ! isspace((unsigned char)*line))
631: goto done;
632: while (len &&
633: isspace((unsigned char)*line)) {
634: line++;
635: len--;
636: }
637: } else {
638: if ((len == sizeof(synb) &&
639: ! strncmp(line, synb, len - 1)) ||
640: (len == sizeof(synr) &&
641: ! strncmp(line, synr, len - 1)))
642: print = 1;
643: continue;
644: }
645: }
646: for (off = 0; off < len; off += nw)
647: if ((nw = write(STDOUT_FILENO, line + off,
648: len - off)) == -1 || nw == 0) {
649: fclose(stream);
1.186 schwarze 650: syscall = "write";
651: goto fail;
652: }
1.197 schwarze 653: }
1.186 schwarze 654:
1.197 schwarze 655: if (ferror(stream)) {
656: fclose(stream);
657: syscall = "fgetln";
658: goto fail;
659: }
1.193 schwarze 660:
1.197 schwarze 661: done:
662: fclose(stream);
663: return(MANDOCLEVEL_OK);
1.186 schwarze 664:
665: fail:
666: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
667: progname, file, syscall, strerror(errno));
668: return(MANDOCLEVEL_SYSERR);
1.194 schwarze 669: }
670:
671: static int
672: koptions(int *options, char *arg)
673: {
674:
675: if ( ! strcmp(arg, "utf-8")) {
676: *options |= MPARSE_UTF8;
677: *options &= ~MPARSE_LATIN1;
678: } else if ( ! strcmp(arg, "iso-8859-1")) {
679: *options |= MPARSE_LATIN1;
680: *options &= ~MPARSE_UTF8;
681: } else if ( ! strcmp(arg, "us-ascii")) {
682: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
683: } else {
684: fprintf(stderr, "%s: -K%s: Bad argument\n",
685: progname, arg);
686: return(0);
687: }
688: return(1);
1.10 kristaps 689: }
690:
691: static int
1.170 schwarze 692: moptions(int *options, char *arg)
1.10 kristaps 693: {
694:
1.180 schwarze 695: if (arg == NULL)
696: /* nothing to do */;
697: else if (0 == strcmp(arg, "doc"))
1.170 schwarze 698: *options |= MPARSE_MDOC;
1.19 kristaps 699: else if (0 == strcmp(arg, "andoc"))
1.170 schwarze 700: /* nothing to do */;
1.17 kristaps 701: else if (0 == strcmp(arg, "an"))
1.170 schwarze 702: *options |= MPARSE_MAN;
1.10 kristaps 703: else {
1.176 schwarze 704: fprintf(stderr, "%s: -m%s: Bad argument\n",
705: progname, arg);
1.10 kristaps 706: return(0);
707: }
708:
709: return(1);
1.1 kristaps 710: }
711:
712: static int
1.60 kristaps 713: toptions(struct curparse *curp, char *arg)
1.1 kristaps 714: {
715:
716: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 717: curp->outtype = OUTT_ASCII;
718: else if (0 == strcmp(arg, "lint")) {
719: curp->outtype = OUTT_LINT;
1.103 schwarze 720: curp->wlevel = MANDOCLEVEL_WARNING;
1.154 kristaps 721: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 722: curp->outtype = OUTT_TREE;
1.164 schwarze 723: else if (0 == strcmp(arg, "man"))
724: curp->outtype = OUTT_MAN;
1.43 kristaps 725: else if (0 == strcmp(arg, "html"))
1.60 kristaps 726: curp->outtype = OUTT_HTML;
1.163 kristaps 727: else if (0 == strcmp(arg, "utf8"))
728: curp->outtype = OUTT_UTF8;
1.162 kristaps 729: else if (0 == strcmp(arg, "locale"))
730: curp->outtype = OUTT_LOCALE;
1.59 kristaps 731: else if (0 == strcmp(arg, "xhtml"))
1.195 schwarze 732: curp->outtype = OUTT_HTML;
1.85 kristaps 733: else if (0 == strcmp(arg, "ps"))
734: curp->outtype = OUTT_PS;
1.100 kristaps 735: else if (0 == strcmp(arg, "pdf"))
736: curp->outtype = OUTT_PDF;
1.1 kristaps 737: else {
1.176 schwarze 738: fprintf(stderr, "%s: -T%s: Bad argument\n",
739: progname, arg);
1.1 kristaps 740: return(0);
741: }
742:
743: return(1);
744: }
745:
746: static int
1.103 schwarze 747: woptions(struct curparse *curp, char *arg)
1.1 kristaps 748: {
1.34 kristaps 749: char *v, *o;
1.173 schwarze 750: const char *toks[6];
1.1 kristaps 751:
1.103 schwarze 752: toks[0] = "stop";
753: toks[1] = "all";
754: toks[2] = "warning";
755: toks[3] = "error";
756: toks[4] = "fatal";
757: toks[5] = NULL;
1.1 kristaps 758:
1.34 kristaps 759: while (*arg) {
760: o = arg;
1.45 kristaps 761: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.173 schwarze 762: case 0:
1.103 schwarze 763: curp->wstop = 1;
1.1 kristaps 764: break;
1.173 schwarze 765: case 1:
1.103 schwarze 766: /* FALLTHROUGH */
1.173 schwarze 767: case 2:
1.103 schwarze 768: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 769: break;
1.173 schwarze 770: case 3:
1.103 schwarze 771: curp->wlevel = MANDOCLEVEL_ERROR;
1.24 kristaps 772: break;
1.173 schwarze 773: case 4:
1.103 schwarze 774: curp->wlevel = MANDOCLEVEL_FATAL;
1.50 kristaps 775: break;
1.1 kristaps 776: default:
1.176 schwarze 777: fprintf(stderr, "%s: -W%s: Bad argument\n",
778: progname, o);
1.1 kristaps 779: return(0);
780: }
1.34 kristaps 781: }
1.1 kristaps 782:
783: return(1);
784: }
785:
1.153 kristaps 786: static void
1.173 schwarze 787: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.155 kristaps 788: const char *file, int line, int col, const char *msg)
1.71 kristaps 789: {
1.177 schwarze 790: const char *mparse_msg;
1.103 schwarze 791:
1.175 schwarze 792: fprintf(stderr, "%s: %s:", progname, file);
793:
794: if (line)
795: fprintf(stderr, "%d:%d:", line, col + 1);
796:
1.177 schwarze 797: fprintf(stderr, " %s", mparse_strlevel(lvl));
798:
799: if (NULL != (mparse_msg = mparse_strerror(t)))
800: fprintf(stderr, ": %s", mparse_msg);
1.154 kristaps 801:
1.73 kristaps 802: if (msg)
803: fprintf(stderr, ": %s", msg);
1.154 kristaps 804:
1.73 kristaps 805: fputc('\n', stderr);
1.183 schwarze 806: }
807:
808: static void
809: spawn_pager(void)
810: {
1.184 schwarze 811: #define MAX_PAGER_ARGS 16
812: char *argv[MAX_PAGER_ARGS];
813: const char *pager;
814: char *cp;
815: int fildes[2];
816: int argc;
1.183 schwarze 817:
818: if (pipe(fildes) == -1) {
819: fprintf(stderr, "%s: pipe: %s\n",
820: progname, strerror(errno));
821: return;
822: }
823:
824: switch (fork()) {
825: case -1:
826: fprintf(stderr, "%s: fork: %s\n",
827: progname, strerror(errno));
828: exit((int)MANDOCLEVEL_SYSERR);
829: case 0:
830: close(fildes[0]);
831: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
832: fprintf(stderr, "%s: dup output: %s\n",
833: progname, strerror(errno));
834: exit((int)MANDOCLEVEL_SYSERR);
835: }
836: return;
837: default:
1.184 schwarze 838: break;
839: }
840:
841: /* The original process becomes the pager. */
842:
843: close(fildes[1]);
844: if (dup2(fildes[0], STDIN_FILENO) == -1) {
845: fprintf(stderr, "%s: dup input: %s\n",
846: progname, strerror(errno));
1.183 schwarze 847: exit((int)MANDOCLEVEL_SYSERR);
848: }
1.184 schwarze 849:
850: pager = getenv("MANPAGER");
851: if (pager == NULL || *pager == '\0')
852: pager = getenv("PAGER");
853: if (pager == NULL || *pager == '\0')
854: pager = "/usr/bin/more -s";
855: cp = mandoc_strdup(pager);
856:
857: /*
858: * Parse the pager command into words.
859: * Intentionally do not do anything fancy here.
860: */
861:
862: argc = 0;
863: while (argc + 1 < MAX_PAGER_ARGS) {
864: argv[argc++] = cp;
865: cp = strchr(cp, ' ');
866: if (cp == NULL)
867: break;
868: *cp++ = '\0';
869: while (*cp == ' ')
870: cp++;
871: if (*cp == '\0')
872: break;
873: }
874: argv[argc] = NULL;
875:
876: /* Hand over to the pager. */
877:
878: execvp(argv[0], argv);
879: fprintf(stderr, "%s: exec: %s\n",
880: progname, strerror(errno));
881: exit((int)MANDOCLEVEL_SYSERR);
1.71 kristaps 882: }
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