Annotation of mandoc/main.c, Revision 1.198
1.198 ! schwarze 1: /* $Id: main.c,v 1.197 2014/11/11 02:10:04 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 *);
1.170 schwarze 86: static int moptions(int *, char *);
1.155 kristaps 87: static void mmsg(enum mandocerr, enum mandoclevel,
88: const char *, int, int, const char *);
1.173 schwarze 89: static void parse(struct curparse *, int,
1.154 kristaps 90: const char *, enum mandoclevel *);
1.197 schwarze 91: static enum mandoclevel passthrough(const char *, int, int);
1.183 schwarze 92: static void spawn_pager(void);
1.66 kristaps 93: static int toptions(struct curparse *, char *);
1.180 schwarze 94: static void usage(enum argmode) __attribute__((noreturn));
1.55 kristaps 95: static void version(void) __attribute__((noreturn));
1.103 schwarze 96: static int woptions(struct curparse *, char *);
1.1 kristaps 97:
1.182 schwarze 98: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.54 kristaps 99: static const char *progname;
1.1 kristaps 100:
1.173 schwarze 101:
1.1 kristaps 102: int
103: main(int argc, char *argv[])
104: {
1.5 kristaps 105: struct curparse curp;
1.180 schwarze 106: struct mansearch search;
107: struct manpaths paths;
108: char *conf_file, *defpaths, *auxpaths;
109: char *defos;
110: #if HAVE_SQLITE3
1.186 schwarze 111: struct manpage *res, *resp;
1.182 schwarze 112: size_t isec, i, sz;
113: int prio, best_prio;
114: char sec;
1.180 schwarze 115: #endif
116: enum mandoclevel rc;
1.181 schwarze 117: enum outmode outmode;
1.192 schwarze 118: pid_t child_pid;
119: int fd;
1.180 schwarze 120: int show_usage;
1.183 schwarze 121: int use_pager;
1.197 schwarze 122: int synopsis_only;
1.170 schwarze 123: int options;
1.180 schwarze 124: int c;
1.1 kristaps 125:
1.54 kristaps 126: progname = strrchr(argv[0], '/');
127: if (progname == NULL)
128: progname = argv[0];
129: else
130: ++progname;
1.179 schwarze 131:
1.180 schwarze 132: /* Search options. */
133:
134: memset(&paths, 0, sizeof(struct manpaths));
135: conf_file = defpaths = auxpaths = NULL;
136:
137: memset(&search, 0, sizeof(struct mansearch));
138: search.outkey = "Nd";
139:
140: if (strcmp(progname, "man") == 0)
141: search.argmode = ARG_NAME;
142: else if (strncmp(progname, "apropos", 7) == 0)
143: search.argmode = ARG_EXPR;
144: else if (strncmp(progname, "whatis", 6) == 0)
145: search.argmode = ARG_WORD;
146: else
147: search.argmode = ARG_FILE;
148:
149: /* Parser and formatter options. */
1.54 kristaps 150:
1.51 kristaps 151: memset(&curp, 0, sizeof(struct curparse));
1.22 kristaps 152: curp.outtype = OUTT_ASCII;
1.103 schwarze 153: curp.wlevel = MANDOCLEVEL_FATAL;
1.194 schwarze 154: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.166 schwarze 155: defos = NULL;
1.19 kristaps 156:
1.183 schwarze 157: use_pager = 1;
1.180 schwarze 158: show_usage = 0;
1.197 schwarze 159: synopsis_only = 0;
1.181 schwarze 160: outmode = OUTMODE_DEF;
1.183 schwarze 161:
1.194 schwarze 162: while (-1 != (c = getopt(argc, argv,
163: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 164: switch (c) {
1.181 schwarze 165: case 'a':
166: outmode = OUTMODE_ALL;
167: break;
1.180 schwarze 168: case 'C':
169: conf_file = optarg;
170: break;
1.183 schwarze 171: case 'c':
172: use_pager = 0;
173: break;
1.180 schwarze 174: case 'f':
175: search.argmode = ARG_WORD;
176: break;
1.190 schwarze 177: case 'h':
178: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
1.197 schwarze 179: synopsis_only = 1;
1.198 ! schwarze 180: use_pager = 0;
1.190 schwarze 181: outmode = OUTMODE_ALL;
182: break;
1.173 schwarze 183: case 'I':
1.166 schwarze 184: if (strncmp(optarg, "os=", 3)) {
1.173 schwarze 185: fprintf(stderr,
1.176 schwarze 186: "%s: -I%s: Bad argument\n",
187: progname, optarg);
1.166 schwarze 188: return((int)MANDOCLEVEL_BADARG);
189: }
190: if (defos) {
1.173 schwarze 191: fprintf(stderr,
1.176 schwarze 192: "%s: -I%s: Duplicate argument\n",
193: progname, optarg);
1.166 schwarze 194: return((int)MANDOCLEVEL_BADARG);
195: }
196: defos = mandoc_strdup(optarg + 3);
197: break;
1.181 schwarze 198: case 'i':
199: outmode = OUTMODE_INT;
200: break;
1.194 schwarze 201: case 'K':
202: if ( ! koptions(&options, optarg))
203: return((int)MANDOCLEVEL_BADARG);
204: break;
1.180 schwarze 205: case 'k':
206: search.argmode = ARG_EXPR;
207: break;
1.188 schwarze 208: case 'l':
209: search.argmode = ARG_FILE;
210: outmode = OUTMODE_ALL;
211: break;
1.180 schwarze 212: case 'M':
213: defpaths = optarg;
214: break;
1.173 schwarze 215: case 'm':
1.180 schwarze 216: auxpaths = optarg;
1.10 kristaps 217: break;
1.173 schwarze 218: case 'O':
1.180 schwarze 219: search.outkey = optarg;
1.49 kristaps 220: (void)strlcat(curp.outopts, optarg, BUFSIZ);
221: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44 kristaps 222: break;
1.180 schwarze 223: case 'S':
224: search.arch = optarg;
225: break;
226: case 's':
227: search.sec = optarg;
228: break;
1.173 schwarze 229: case 'T':
1.60 kristaps 230: if ( ! toptions(&curp, optarg))
1.105 kristaps 231: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 232: break;
1.173 schwarze 233: case 'W':
1.103 schwarze 234: if ( ! woptions(&curp, optarg))
1.105 kristaps 235: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 236: break;
1.181 schwarze 237: case 'w':
238: outmode = OUTMODE_FLN;
239: break;
1.173 schwarze 240: case 'V':
1.1 kristaps 241: version();
242: /* NOTREACHED */
243: default:
1.180 schwarze 244: show_usage = 1;
245: break;
1.1 kristaps 246: }
1.180 schwarze 247: }
248:
249: if (show_usage)
250: usage(search.argmode);
251:
1.185 schwarze 252: /* Postprocess options. */
253:
1.181 schwarze 254: if (outmode == OUTMODE_DEF) {
255: switch (search.argmode) {
256: case ARG_FILE:
257: outmode = OUTMODE_ALL;
1.183 schwarze 258: use_pager = 0;
1.181 schwarze 259: break;
260: case ARG_NAME:
261: outmode = OUTMODE_ONE;
262: break;
263: default:
264: outmode = OUTMODE_LST;
265: break;
266: }
267: }
268:
1.185 schwarze 269: /* Parse arguments. */
270:
1.180 schwarze 271: argc -= optind;
272: argv += optind;
1.182 schwarze 273: #if HAVE_SQLITE3
1.186 schwarze 274: resp = NULL;
1.182 schwarze 275: #endif
1.185 schwarze 276:
277: /* Quirk for a man(1) section argument without -s. */
278:
279: if (search.argmode == ARG_NAME &&
280: argv[0] != NULL &&
281: isdigit((unsigned char)argv[0][0]) &&
282: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
283: search.sec = argv[0];
284: argv++;
285: argc--;
286: }
1.182 schwarze 287:
288: rc = MANDOCLEVEL_OK;
1.180 schwarze 289:
290: /* man(1), whatis(1), apropos(1) */
291:
292: if (search.argmode != ARG_FILE) {
293: #if HAVE_SQLITE3
294: if (argc == 0)
295: usage(search.argmode);
1.182 schwarze 296:
297: /* Access the mandoc database. */
298:
1.180 schwarze 299: manpath_parse(&paths, conf_file, defpaths, auxpaths);
300: mansearch_setup(1);
301: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
302: usage(search.argmode);
1.186 schwarze 303: resp = res;
1.187 schwarze 304:
305: if (sz == 0) {
306: if (search.argmode == ARG_NAME)
307: fprintf(stderr, "%s: No entry for %s "
308: "in the manual.\n", progname, argv[0]);
309: rc = MANDOCLEVEL_BADARG;
310: goto out;
311: }
1.182 schwarze 312:
313: /*
314: * For standard man(1) and -a output mode,
315: * prepare for copying filename pointers
316: * into the program parameter array.
317: */
318:
319: if (outmode == OUTMODE_ONE) {
320: argc = 1;
321: best_prio = 10;
1.186 schwarze 322: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 323: argc = (int)sz;
324:
325: /* Iterate all matching manuals. */
326:
1.181 schwarze 327: for (i = 0; i < sz; i++) {
328: if (outmode == OUTMODE_FLN)
329: puts(res[i].file);
1.182 schwarze 330: else if (outmode == OUTMODE_LST)
1.181 schwarze 331: printf("%s - %s\n", res[i].names,
332: res[i].output == NULL ? "" :
333: res[i].output);
1.186 schwarze 334: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 335: /* Search for the best section. */
336: isec = strcspn(res[i].file, "123456789");
337: sec = res[i].file[isec];
338: if ('\0' == sec)
339: continue;
340: prio = sec_prios[sec - '1'];
341: if (prio >= best_prio)
342: continue;
343: best_prio = prio;
1.186 schwarze 344: resp = res + i;
1.182 schwarze 345: }
1.181 schwarze 346: }
1.182 schwarze 347:
348: /*
349: * For man(1), -a and -i output mode, fall through
350: * to the main mandoc(1) code iterating files
351: * and running the parsers on each of them.
352: */
353:
354: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
355: goto out;
1.180 schwarze 356: #else
357: fputs("mandoc: database support not compiled in\n",
358: stderr);
359: return((int)MANDOCLEVEL_BADARG);
360: #endif
361: }
362:
363: /* mandoc(1) */
364:
365: if ( ! moptions(&options, auxpaths))
366: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 367:
1.183 schwarze 368: if (use_pager && isatty(STDOUT_FILENO))
369: spawn_pager();
370:
1.195 schwarze 371: curp.mchars = mchars_alloc();
372: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
373: curp.mchars, defos);
1.154 kristaps 374:
1.165 kristaps 375: /*
376: * Conditionally start up the lookaside buffer before parsing.
377: */
378: if (OUTT_MAN == curp.outtype)
379: mparse_keep(curp.mp);
380:
1.186 schwarze 381: if (argc == 0)
1.154 kristaps 382: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.64 kristaps 383:
1.186 schwarze 384: while (argc) {
385: #if HAVE_SQLITE3
386: if (resp != NULL) {
1.192 schwarze 387: rc = mparse_open(curp.mp, &fd, resp->file,
388: &child_pid);
389: if (fd == -1)
390: /* nothing */;
391: else if (resp->form & FORM_SRC) {
1.189 schwarze 392: /* For .so only; ignore failure. */
393: chdir(paths.paths[resp->ipath]);
1.192 schwarze 394: parse(&curp, fd, resp->file, &rc);
1.189 schwarze 395: } else
1.197 schwarze 396: rc = passthrough(resp->file, fd,
397: synopsis_only);
1.186 schwarze 398: resp++;
399: } else
400: #endif
1.192 schwarze 401: {
402: rc = mparse_open(curp.mp, &fd, *argv++,
403: &child_pid);
404: if (fd != -1)
405: parse(&curp, fd, argv[-1], &rc);
406: }
407:
408: if (child_pid &&
409: mparse_wait(curp.mp, child_pid) != MANDOCLEVEL_OK)
410: rc = MANDOCLEVEL_SYSERR;
411:
1.154 kristaps 412: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.64 kristaps 413: break;
1.186 schwarze 414: argc--;
1.1 kristaps 415: }
416:
1.22 kristaps 417: if (curp.outfree)
418: (*curp.outfree)(curp.outdata);
1.195 schwarze 419: mparse_free(curp.mp);
420: mchars_free(curp.mchars);
1.182 schwarze 421:
422: #if HAVE_SQLITE3
423: out:
424: if (search.argmode != ARG_FILE) {
1.189 schwarze 425: manpath_free(&paths);
1.182 schwarze 426: mansearch_free(res, sz);
427: mansearch_setup(0);
428: }
429: #endif
430:
1.166 schwarze 431: free(defos);
1.1 kristaps 432:
1.154 kristaps 433: return((int)rc);
1.1 kristaps 434: }
435:
1.55 kristaps 436: static void
1.1 kristaps 437: version(void)
438: {
439:
1.180 schwarze 440: printf("mandoc %s\n", VERSION);
1.105 kristaps 441: exit((int)MANDOCLEVEL_OK);
1.1 kristaps 442: }
443:
1.55 kristaps 444: static void
1.180 schwarze 445: usage(enum argmode argmode)
1.1 kristaps 446: {
447:
1.180 schwarze 448: switch (argmode) {
449: case ARG_FILE:
1.190 schwarze 450: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.196 schwarze 451: "[-Kencoding] [-mformat] [-Ooption]\n"
452: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.180 schwarze 453: break;
454: case ARG_NAME:
1.188 schwarze 455: fputs("usage: man [-acfhklVw] [-C file] "
1.180 schwarze 456: "[-M path] [-m path] [-S arch] [-s section]\n"
457: "\t [section] name ...\n", stderr);
458: break;
459: case ARG_WORD:
1.190 schwarze 460: fputs("usage: whatis [-acfhklVw] [-C file] "
1.188 schwarze 461: "[-M path] [-m path] [-O outkey] [-S arch]\n"
462: "\t [-s section] name ...\n", stderr);
1.180 schwarze 463: break;
464: case ARG_EXPR:
1.190 schwarze 465: fputs("usage: apropos [-acfhklVw] [-C file] "
1.188 schwarze 466: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 467: "\t [-s section] expression ...\n", stderr);
468: break;
469: }
1.105 kristaps 470: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 471: }
472:
1.64 kristaps 473: static void
1.173 schwarze 474: parse(struct curparse *curp, int fd, const char *file,
475: enum mandoclevel *level)
1.1 kristaps 476: {
1.154 kristaps 477: enum mandoclevel rc;
478: struct mdoc *mdoc;
479: struct man *man;
1.112 kristaps 480:
1.154 kristaps 481: /* Begin by parsing the file itself. */
1.112 kristaps 482:
1.154 kristaps 483: assert(file);
484: assert(fd >= -1);
1.112 kristaps 485:
1.154 kristaps 486: rc = mparse_readfd(curp->mp, fd, file);
1.112 kristaps 487:
1.154 kristaps 488: /* Stop immediately if the parse has failed. */
1.92 kristaps 489:
1.154 kristaps 490: if (MANDOCLEVEL_FATAL <= rc)
1.111 kristaps 491: goto cleanup;
492:
1.1 kristaps 493: /*
1.154 kristaps 494: * With -Wstop and warnings or errors of at least the requested
495: * level, do not produce output.
1.1 kristaps 496: */
497:
1.154 kristaps 498: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.111 kristaps 499: goto cleanup;
500:
501: /* If unset, allocate output dev now (if applicable). */
502:
503: if ( ! (curp->outman && curp->outmdoc)) {
504: switch (curp->outtype) {
1.173 schwarze 505: case OUTT_HTML:
1.195 schwarze 506: curp->outdata = html_alloc(curp->mchars,
507: curp->outopts);
1.162 kristaps 508: curp->outfree = html_free;
509: break;
1.173 schwarze 510: case OUTT_UTF8:
1.195 schwarze 511: curp->outdata = utf8_alloc(curp->mchars,
512: curp->outopts);
1.163 kristaps 513: curp->outfree = ascii_free;
514: break;
1.173 schwarze 515: case OUTT_LOCALE:
1.195 schwarze 516: curp->outdata = locale_alloc(curp->mchars,
517: curp->outopts);
1.162 kristaps 518: curp->outfree = ascii_free;
1.111 kristaps 519: break;
1.173 schwarze 520: case OUTT_ASCII:
1.195 schwarze 521: curp->outdata = ascii_alloc(curp->mchars,
522: curp->outopts);
1.111 kristaps 523: curp->outfree = ascii_free;
524: break;
1.173 schwarze 525: case OUTT_PDF:
1.195 schwarze 526: curp->outdata = pdf_alloc(curp->mchars,
527: curp->outopts);
1.111 kristaps 528: curp->outfree = pspdf_free;
529: break;
1.173 schwarze 530: case OUTT_PS:
1.195 schwarze 531: curp->outdata = ps_alloc(curp->mchars,
532: curp->outopts);
1.111 kristaps 533: curp->outfree = pspdf_free;
534: break;
535: default:
536: break;
537: }
538:
539: switch (curp->outtype) {
1.173 schwarze 540: case OUTT_HTML:
1.111 kristaps 541: curp->outman = html_man;
542: curp->outmdoc = html_mdoc;
543: break;
1.173 schwarze 544: case OUTT_TREE:
1.111 kristaps 545: curp->outman = tree_man;
546: curp->outmdoc = tree_mdoc;
547: break;
1.173 schwarze 548: case OUTT_MAN:
1.164 schwarze 549: curp->outmdoc = man_mdoc;
1.165 kristaps 550: curp->outman = man_man;
1.164 schwarze 551: break;
1.173 schwarze 552: case OUTT_PDF:
1.111 kristaps 553: /* FALLTHROUGH */
1.173 schwarze 554: case OUTT_ASCII:
1.111 kristaps 555: /* FALLTHROUGH */
1.173 schwarze 556: case OUTT_UTF8:
1.163 kristaps 557: /* FALLTHROUGH */
1.173 schwarze 558: case OUTT_LOCALE:
1.162 kristaps 559: /* FALLTHROUGH */
1.173 schwarze 560: case OUTT_PS:
1.111 kristaps 561: curp->outman = terminal_man;
562: curp->outmdoc = terminal_mdoc;
563: break;
564: default:
565: break;
566: }
567: }
568:
1.171 schwarze 569: mparse_result(curp->mp, &mdoc, &man, NULL);
1.154 kristaps 570:
1.111 kristaps 571: /* Execute the out device, if it exists. */
572:
1.154 kristaps 573: if (man && curp->outman)
574: (*curp->outman)(curp->outdata, man);
575: if (mdoc && curp->outmdoc)
576: (*curp->outmdoc)(curp->outdata, mdoc);
1.111 kristaps 577:
578: cleanup:
1.112 kristaps 579:
1.154 kristaps 580: mparse_reset(curp->mp);
1.111 kristaps 581:
1.154 kristaps 582: if (*level < rc)
583: *level = rc;
1.186 schwarze 584: }
585:
586: static enum mandoclevel
1.197 schwarze 587: passthrough(const char *file, int fd, int synopsis_only)
1.186 schwarze 588: {
1.197 schwarze 589: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
590: const char synr[] = "SYNOPSIS";
591:
592: FILE *stream;
1.186 schwarze 593: const char *syscall;
1.197 schwarze 594: char *line;
595: size_t len, off;
596: ssize_t nw;
597: int print;
598:
599: if ((stream = fdopen(fd, "r")) == NULL) {
600: close(fd);
601: syscall = "fdopen";
602: goto fail;
603: }
1.186 schwarze 604:
1.197 schwarze 605: print = 0;
606: while ((line = fgetln(stream, &len)) != NULL) {
607: if (synopsis_only) {
608: if (print) {
609: if ( ! isspace((unsigned char)*line))
610: goto done;
611: while (len &&
612: isspace((unsigned char)*line)) {
613: line++;
614: len--;
615: }
616: } else {
617: if ((len == sizeof(synb) &&
618: ! strncmp(line, synb, len - 1)) ||
619: (len == sizeof(synr) &&
620: ! strncmp(line, synr, len - 1)))
621: print = 1;
622: continue;
623: }
624: }
625: for (off = 0; off < len; off += nw)
626: if ((nw = write(STDOUT_FILENO, line + off,
627: len - off)) == -1 || nw == 0) {
628: fclose(stream);
1.186 schwarze 629: syscall = "write";
630: goto fail;
631: }
1.197 schwarze 632: }
1.186 schwarze 633:
1.197 schwarze 634: if (ferror(stream)) {
635: fclose(stream);
636: syscall = "fgetln";
637: goto fail;
638: }
1.193 schwarze 639:
1.197 schwarze 640: done:
641: fclose(stream);
642: return(MANDOCLEVEL_OK);
1.186 schwarze 643:
644: fail:
645: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
646: progname, file, syscall, strerror(errno));
647: return(MANDOCLEVEL_SYSERR);
1.194 schwarze 648: }
649:
650: static int
651: koptions(int *options, char *arg)
652: {
653:
654: if ( ! strcmp(arg, "utf-8")) {
655: *options |= MPARSE_UTF8;
656: *options &= ~MPARSE_LATIN1;
657: } else if ( ! strcmp(arg, "iso-8859-1")) {
658: *options |= MPARSE_LATIN1;
659: *options &= ~MPARSE_UTF8;
660: } else if ( ! strcmp(arg, "us-ascii")) {
661: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
662: } else {
663: fprintf(stderr, "%s: -K%s: Bad argument\n",
664: progname, arg);
665: return(0);
666: }
667: return(1);
1.10 kristaps 668: }
669:
670: static int
1.170 schwarze 671: moptions(int *options, char *arg)
1.10 kristaps 672: {
673:
1.180 schwarze 674: if (arg == NULL)
675: /* nothing to do */;
676: else if (0 == strcmp(arg, "doc"))
1.170 schwarze 677: *options |= MPARSE_MDOC;
1.19 kristaps 678: else if (0 == strcmp(arg, "andoc"))
1.170 schwarze 679: /* nothing to do */;
1.17 kristaps 680: else if (0 == strcmp(arg, "an"))
1.170 schwarze 681: *options |= MPARSE_MAN;
1.10 kristaps 682: else {
1.176 schwarze 683: fprintf(stderr, "%s: -m%s: Bad argument\n",
684: progname, arg);
1.10 kristaps 685: return(0);
686: }
687:
688: return(1);
1.1 kristaps 689: }
690:
691: static int
1.60 kristaps 692: toptions(struct curparse *curp, char *arg)
1.1 kristaps 693: {
694:
695: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 696: curp->outtype = OUTT_ASCII;
697: else if (0 == strcmp(arg, "lint")) {
698: curp->outtype = OUTT_LINT;
1.103 schwarze 699: curp->wlevel = MANDOCLEVEL_WARNING;
1.154 kristaps 700: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 701: curp->outtype = OUTT_TREE;
1.164 schwarze 702: else if (0 == strcmp(arg, "man"))
703: curp->outtype = OUTT_MAN;
1.43 kristaps 704: else if (0 == strcmp(arg, "html"))
1.60 kristaps 705: curp->outtype = OUTT_HTML;
1.163 kristaps 706: else if (0 == strcmp(arg, "utf8"))
707: curp->outtype = OUTT_UTF8;
1.162 kristaps 708: else if (0 == strcmp(arg, "locale"))
709: curp->outtype = OUTT_LOCALE;
1.59 kristaps 710: else if (0 == strcmp(arg, "xhtml"))
1.195 schwarze 711: curp->outtype = OUTT_HTML;
1.85 kristaps 712: else if (0 == strcmp(arg, "ps"))
713: curp->outtype = OUTT_PS;
1.100 kristaps 714: else if (0 == strcmp(arg, "pdf"))
715: curp->outtype = OUTT_PDF;
1.1 kristaps 716: else {
1.176 schwarze 717: fprintf(stderr, "%s: -T%s: Bad argument\n",
718: progname, arg);
1.1 kristaps 719: return(0);
720: }
721:
722: return(1);
723: }
724:
725: static int
1.103 schwarze 726: woptions(struct curparse *curp, char *arg)
1.1 kristaps 727: {
1.34 kristaps 728: char *v, *o;
1.173 schwarze 729: const char *toks[6];
1.1 kristaps 730:
1.103 schwarze 731: toks[0] = "stop";
732: toks[1] = "all";
733: toks[2] = "warning";
734: toks[3] = "error";
735: toks[4] = "fatal";
736: toks[5] = NULL;
1.1 kristaps 737:
1.34 kristaps 738: while (*arg) {
739: o = arg;
1.45 kristaps 740: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.173 schwarze 741: case 0:
1.103 schwarze 742: curp->wstop = 1;
1.1 kristaps 743: break;
1.173 schwarze 744: case 1:
1.103 schwarze 745: /* FALLTHROUGH */
1.173 schwarze 746: case 2:
1.103 schwarze 747: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 748: break;
1.173 schwarze 749: case 3:
1.103 schwarze 750: curp->wlevel = MANDOCLEVEL_ERROR;
1.24 kristaps 751: break;
1.173 schwarze 752: case 4:
1.103 schwarze 753: curp->wlevel = MANDOCLEVEL_FATAL;
1.50 kristaps 754: break;
1.1 kristaps 755: default:
1.176 schwarze 756: fprintf(stderr, "%s: -W%s: Bad argument\n",
757: progname, o);
1.1 kristaps 758: return(0);
759: }
1.34 kristaps 760: }
1.1 kristaps 761:
762: return(1);
763: }
764:
1.153 kristaps 765: static void
1.173 schwarze 766: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.155 kristaps 767: const char *file, int line, int col, const char *msg)
1.71 kristaps 768: {
1.177 schwarze 769: const char *mparse_msg;
1.103 schwarze 770:
1.175 schwarze 771: fprintf(stderr, "%s: %s:", progname, file);
772:
773: if (line)
774: fprintf(stderr, "%d:%d:", line, col + 1);
775:
1.177 schwarze 776: fprintf(stderr, " %s", mparse_strlevel(lvl));
777:
778: if (NULL != (mparse_msg = mparse_strerror(t)))
779: fprintf(stderr, ": %s", mparse_msg);
1.154 kristaps 780:
1.73 kristaps 781: if (msg)
782: fprintf(stderr, ": %s", msg);
1.154 kristaps 783:
1.73 kristaps 784: fputc('\n', stderr);
1.183 schwarze 785: }
786:
787: static void
788: spawn_pager(void)
789: {
1.184 schwarze 790: #define MAX_PAGER_ARGS 16
791: char *argv[MAX_PAGER_ARGS];
792: const char *pager;
793: char *cp;
794: int fildes[2];
795: int argc;
1.183 schwarze 796:
797: if (pipe(fildes) == -1) {
798: fprintf(stderr, "%s: pipe: %s\n",
799: progname, strerror(errno));
800: return;
801: }
802:
803: switch (fork()) {
804: case -1:
805: fprintf(stderr, "%s: fork: %s\n",
806: progname, strerror(errno));
807: exit((int)MANDOCLEVEL_SYSERR);
808: case 0:
809: close(fildes[0]);
810: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
811: fprintf(stderr, "%s: dup output: %s\n",
812: progname, strerror(errno));
813: exit((int)MANDOCLEVEL_SYSERR);
814: }
815: return;
816: default:
1.184 schwarze 817: break;
818: }
819:
820: /* The original process becomes the pager. */
821:
822: close(fildes[1]);
823: if (dup2(fildes[0], STDIN_FILENO) == -1) {
824: fprintf(stderr, "%s: dup input: %s\n",
825: progname, strerror(errno));
1.183 schwarze 826: exit((int)MANDOCLEVEL_SYSERR);
827: }
1.184 schwarze 828:
829: pager = getenv("MANPAGER");
830: if (pager == NULL || *pager == '\0')
831: pager = getenv("PAGER");
832: if (pager == NULL || *pager == '\0')
833: pager = "/usr/bin/more -s";
834: cp = mandoc_strdup(pager);
835:
836: /*
837: * Parse the pager command into words.
838: * Intentionally do not do anything fancy here.
839: */
840:
841: argc = 0;
842: while (argc + 1 < MAX_PAGER_ARGS) {
843: argv[argc++] = cp;
844: cp = strchr(cp, ' ');
845: if (cp == NULL)
846: break;
847: *cp++ = '\0';
848: while (*cp == ' ')
849: cp++;
850: if (*cp == '\0')
851: break;
852: }
853: argv[argc] = NULL;
854:
855: /* Hand over to the pager. */
856:
857: execvp(argv[0], argv);
858: fprintf(stderr, "%s: exec: %s\n",
859: progname, strerror(errno));
860: exit((int)MANDOCLEVEL_SYSERR);
1.71 kristaps 861: }
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