Annotation of mandoc/main.c, Revision 1.186
1.186 ! schwarze 1: /* $Id: main.c,v 1.185 2014/08/22 18:07:15 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:
157: while (-1 != (c = getopt(argc, argv, "aC:cfI:ikM: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;
192: case 'M':
193: defpaths = optarg;
194: break;
1.173 schwarze 195: case 'm':
1.180 schwarze 196: auxpaths = optarg;
1.10 kristaps 197: break;
1.173 schwarze 198: case 'O':
1.180 schwarze 199: search.outkey = optarg;
1.49 kristaps 200: (void)strlcat(curp.outopts, optarg, BUFSIZ);
201: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44 kristaps 202: break;
1.180 schwarze 203: case 'S':
204: search.arch = optarg;
205: break;
206: case 's':
207: search.sec = optarg;
208: break;
1.173 schwarze 209: case 'T':
1.60 kristaps 210: if ( ! toptions(&curp, optarg))
1.105 kristaps 211: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 212: break;
1.173 schwarze 213: case 'W':
1.103 schwarze 214: if ( ! woptions(&curp, optarg))
1.105 kristaps 215: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 216: break;
1.181 schwarze 217: case 'w':
218: outmode = OUTMODE_FLN;
219: break;
1.173 schwarze 220: case 'V':
1.1 kristaps 221: version();
222: /* NOTREACHED */
223: default:
1.180 schwarze 224: show_usage = 1;
225: break;
1.1 kristaps 226: }
1.180 schwarze 227: }
228:
229: if (show_usage)
230: usage(search.argmode);
231:
1.185 schwarze 232: /* Postprocess options. */
233:
1.181 schwarze 234: if (outmode == OUTMODE_DEF) {
235: switch (search.argmode) {
236: case ARG_FILE:
237: outmode = OUTMODE_ALL;
1.183 schwarze 238: use_pager = 0;
1.181 schwarze 239: break;
240: case ARG_NAME:
241: outmode = OUTMODE_ONE;
242: break;
243: default:
244: outmode = OUTMODE_LST;
245: break;
246: }
247: }
248:
1.185 schwarze 249: /* Parse arguments. */
250:
1.180 schwarze 251: argc -= optind;
252: argv += optind;
1.182 schwarze 253: #if HAVE_SQLITE3
1.186 ! schwarze 254: resp = NULL;
1.182 schwarze 255: #endif
1.185 schwarze 256:
257: /* Quirk for a man(1) section argument without -s. */
258:
259: if (search.argmode == ARG_NAME &&
260: argv[0] != NULL &&
261: isdigit((unsigned char)argv[0][0]) &&
262: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
263: search.sec = argv[0];
264: argv++;
265: argc--;
266: }
1.182 schwarze 267:
268: rc = MANDOCLEVEL_OK;
1.180 schwarze 269:
270: /* man(1), whatis(1), apropos(1) */
271:
272: if (search.argmode != ARG_FILE) {
273: #if HAVE_SQLITE3
274: if (argc == 0)
275: usage(search.argmode);
1.182 schwarze 276:
277: /* Access the mandoc database. */
278:
1.180 schwarze 279: manpath_parse(&paths, conf_file, defpaths, auxpaths);
280: mansearch_setup(1);
281: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
282: usage(search.argmode);
283: manpath_free(&paths);
1.186 ! schwarze 284: resp = res;
1.182 schwarze 285:
286: /*
287: * For standard man(1) and -a output mode,
288: * prepare for copying filename pointers
289: * into the program parameter array.
290: */
291:
292: if (outmode == OUTMODE_ONE) {
293: argc = 1;
294: best_prio = 10;
1.186 ! schwarze 295: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 296: argc = (int)sz;
297:
298: /* Iterate all matching manuals. */
299:
1.181 schwarze 300: for (i = 0; i < sz; i++) {
301: if (outmode == OUTMODE_FLN)
302: puts(res[i].file);
1.182 schwarze 303: else if (outmode == OUTMODE_LST)
1.181 schwarze 304: printf("%s - %s\n", res[i].names,
305: res[i].output == NULL ? "" :
306: res[i].output);
1.186 ! schwarze 307: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 308: /* Search for the best section. */
309: isec = strcspn(res[i].file, "123456789");
310: sec = res[i].file[isec];
311: if ('\0' == sec)
312: continue;
313: prio = sec_prios[sec - '1'];
314: if (prio >= best_prio)
315: continue;
316: best_prio = prio;
1.186 ! schwarze 317: resp = res + i;
1.182 schwarze 318: }
1.181 schwarze 319: }
1.182 schwarze 320:
321: /*
322: * For man(1), -a and -i output mode, fall through
323: * to the main mandoc(1) code iterating files
324: * and running the parsers on each of them.
325: */
326:
327: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
328: goto out;
1.180 schwarze 329: #else
330: fputs("mandoc: database support not compiled in\n",
331: stderr);
332: return((int)MANDOCLEVEL_BADARG);
333: #endif
334: }
335:
336: /* mandoc(1) */
337:
338: if ( ! moptions(&options, auxpaths))
339: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 340:
1.183 schwarze 341: if (use_pager && isatty(STDOUT_FILENO))
342: spawn_pager();
343:
1.170 schwarze 344: curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
1.154 kristaps 345:
1.165 kristaps 346: /*
347: * Conditionally start up the lookaside buffer before parsing.
348: */
349: if (OUTT_MAN == curp.outtype)
350: mparse_keep(curp.mp);
351:
1.186 ! schwarze 352: if (argc == 0)
1.154 kristaps 353: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.64 kristaps 354:
1.186 ! schwarze 355: while (argc) {
! 356: #if HAVE_SQLITE3
! 357: if (resp != NULL) {
! 358: if (resp->form)
! 359: parse(&curp, -1, resp->file, &rc);
! 360: else
! 361: rc = passthrough(resp->file);
! 362: resp++;
! 363: } else
! 364: #endif
! 365: parse(&curp, -1, *argv++, &rc);
1.154 kristaps 366: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.64 kristaps 367: break;
1.186 ! schwarze 368: argc--;
1.1 kristaps 369: }
370:
1.22 kristaps 371: if (curp.outfree)
372: (*curp.outfree)(curp.outdata);
1.154 kristaps 373: if (curp.mp)
374: mparse_free(curp.mp);
1.182 schwarze 375:
376: #if HAVE_SQLITE3
377: out:
378: if (search.argmode != ARG_FILE) {
379: mansearch_free(res, sz);
380: mansearch_setup(0);
381: }
382: #endif
383:
1.166 schwarze 384: free(defos);
1.1 kristaps 385:
1.154 kristaps 386: return((int)rc);
1.1 kristaps 387: }
388:
1.55 kristaps 389: static void
1.1 kristaps 390: version(void)
391: {
392:
1.180 schwarze 393: printf("mandoc %s\n", VERSION);
1.105 kristaps 394: exit((int)MANDOCLEVEL_OK);
1.1 kristaps 395: }
396:
1.55 kristaps 397: static void
1.180 schwarze 398: usage(enum argmode argmode)
1.1 kristaps 399: {
400:
1.180 schwarze 401: switch (argmode) {
402: case ARG_FILE:
403: fputs("usage: mandoc [-V] [-Ios=name] [-mformat]"
404: " [-Ooption] [-Toutput] [-Wlevel]\n"
405: "\t [file ...]\n", stderr);
406: break;
407: case ARG_NAME:
408: fputs("usage: man [-acfhkVw] [-C file] "
409: "[-M path] [-m path] [-S arch] [-s section]\n"
410: "\t [section] name ...\n", stderr);
411: break;
412: case ARG_WORD:
413: fputs("usage: whatis [-V] [-C file] [-M path] [-m path] "
414: "[-S arch] [-s section] name ...\n", stderr);
415: break;
416: case ARG_EXPR:
417: fputs("usage: apropos [-V] [-C file] [-M path] [-m path] "
418: "[-O outkey] [-S arch]\n"
419: "\t [-s section] expression ...\n", stderr);
420: break;
421: }
1.105 kristaps 422: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 423: }
424:
1.64 kristaps 425: static void
1.173 schwarze 426: parse(struct curparse *curp, int fd, const char *file,
427: enum mandoclevel *level)
1.1 kristaps 428: {
1.154 kristaps 429: enum mandoclevel rc;
430: struct mdoc *mdoc;
431: struct man *man;
1.112 kristaps 432:
1.154 kristaps 433: /* Begin by parsing the file itself. */
1.112 kristaps 434:
1.154 kristaps 435: assert(file);
436: assert(fd >= -1);
1.112 kristaps 437:
1.154 kristaps 438: rc = mparse_readfd(curp->mp, fd, file);
1.112 kristaps 439:
1.154 kristaps 440: /* Stop immediately if the parse has failed. */
1.92 kristaps 441:
1.154 kristaps 442: if (MANDOCLEVEL_FATAL <= rc)
1.111 kristaps 443: goto cleanup;
444:
1.1 kristaps 445: /*
1.154 kristaps 446: * With -Wstop and warnings or errors of at least the requested
447: * level, do not produce output.
1.1 kristaps 448: */
449:
1.154 kristaps 450: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.111 kristaps 451: goto cleanup;
452:
453: /* If unset, allocate output dev now (if applicable). */
454:
455: if ( ! (curp->outman && curp->outmdoc)) {
456: switch (curp->outtype) {
1.173 schwarze 457: case OUTT_XHTML:
1.111 kristaps 458: curp->outdata = xhtml_alloc(curp->outopts);
1.162 kristaps 459: curp->outfree = html_free;
1.111 kristaps 460: break;
1.173 schwarze 461: case OUTT_HTML:
1.111 kristaps 462: curp->outdata = html_alloc(curp->outopts);
1.162 kristaps 463: curp->outfree = html_free;
464: break;
1.173 schwarze 465: case OUTT_UTF8:
1.163 kristaps 466: curp->outdata = utf8_alloc(curp->outopts);
467: curp->outfree = ascii_free;
468: break;
1.173 schwarze 469: case OUTT_LOCALE:
1.162 kristaps 470: curp->outdata = locale_alloc(curp->outopts);
471: curp->outfree = ascii_free;
1.111 kristaps 472: break;
1.173 schwarze 473: case OUTT_ASCII:
1.111 kristaps 474: curp->outdata = ascii_alloc(curp->outopts);
475: curp->outfree = ascii_free;
476: break;
1.173 schwarze 477: case OUTT_PDF:
1.111 kristaps 478: curp->outdata = pdf_alloc(curp->outopts);
479: curp->outfree = pspdf_free;
480: break;
1.173 schwarze 481: case OUTT_PS:
1.111 kristaps 482: curp->outdata = ps_alloc(curp->outopts);
483: curp->outfree = pspdf_free;
484: break;
485: default:
486: break;
487: }
488:
489: switch (curp->outtype) {
1.173 schwarze 490: case OUTT_HTML:
1.111 kristaps 491: /* FALLTHROUGH */
1.173 schwarze 492: case OUTT_XHTML:
1.111 kristaps 493: curp->outman = html_man;
494: curp->outmdoc = html_mdoc;
495: break;
1.173 schwarze 496: case OUTT_TREE:
1.111 kristaps 497: curp->outman = tree_man;
498: curp->outmdoc = tree_mdoc;
499: break;
1.173 schwarze 500: case OUTT_MAN:
1.164 schwarze 501: curp->outmdoc = man_mdoc;
1.165 kristaps 502: curp->outman = man_man;
1.164 schwarze 503: break;
1.173 schwarze 504: case OUTT_PDF:
1.111 kristaps 505: /* FALLTHROUGH */
1.173 schwarze 506: case OUTT_ASCII:
1.111 kristaps 507: /* FALLTHROUGH */
1.173 schwarze 508: case OUTT_UTF8:
1.163 kristaps 509: /* FALLTHROUGH */
1.173 schwarze 510: case OUTT_LOCALE:
1.162 kristaps 511: /* FALLTHROUGH */
1.173 schwarze 512: case OUTT_PS:
1.111 kristaps 513: curp->outman = terminal_man;
514: curp->outmdoc = terminal_mdoc;
515: break;
516: default:
517: break;
518: }
519: }
520:
1.171 schwarze 521: mparse_result(curp->mp, &mdoc, &man, NULL);
1.154 kristaps 522:
1.111 kristaps 523: /* Execute the out device, if it exists. */
524:
1.154 kristaps 525: if (man && curp->outman)
526: (*curp->outman)(curp->outdata, man);
527: if (mdoc && curp->outmdoc)
528: (*curp->outmdoc)(curp->outdata, mdoc);
1.111 kristaps 529:
530: cleanup:
1.112 kristaps 531:
1.154 kristaps 532: mparse_reset(curp->mp);
1.111 kristaps 533:
1.154 kristaps 534: if (*level < rc)
535: *level = rc;
1.186 ! schwarze 536: }
! 537:
! 538: static enum mandoclevel
! 539: passthrough(const char *file)
! 540: {
! 541: char buf[BUFSIZ];
! 542: const char *syscall;
! 543: ssize_t nr, nw, off;
! 544: int fd;
! 545:
! 546: fd = open(file, O_RDONLY);
! 547: if (fd == -1) {
! 548: syscall = "open";
! 549: goto fail;
! 550: }
! 551:
! 552: while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
! 553: for (off = 0; off < nr; off += nw)
! 554: if ((nw = write(STDOUT_FILENO, buf + off,
! 555: (size_t)(nr - off))) == -1 || nw == 0) {
! 556: syscall = "write";
! 557: goto fail;
! 558: }
! 559:
! 560: if (nr == 0) {
! 561: close(fd);
! 562: return(MANDOCLEVEL_OK);
! 563: }
! 564:
! 565: syscall = "read";
! 566: fail:
! 567: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
! 568: progname, file, syscall, strerror(errno));
! 569: return(MANDOCLEVEL_SYSERR);
1.10 kristaps 570: }
571:
572: static int
1.170 schwarze 573: moptions(int *options, char *arg)
1.10 kristaps 574: {
575:
1.180 schwarze 576: if (arg == NULL)
577: /* nothing to do */;
578: else if (0 == strcmp(arg, "doc"))
1.170 schwarze 579: *options |= MPARSE_MDOC;
1.19 kristaps 580: else if (0 == strcmp(arg, "andoc"))
1.170 schwarze 581: /* nothing to do */;
1.17 kristaps 582: else if (0 == strcmp(arg, "an"))
1.170 schwarze 583: *options |= MPARSE_MAN;
1.10 kristaps 584: else {
1.176 schwarze 585: fprintf(stderr, "%s: -m%s: Bad argument\n",
586: progname, arg);
1.10 kristaps 587: return(0);
588: }
589:
590: return(1);
1.1 kristaps 591: }
592:
593: static int
1.60 kristaps 594: toptions(struct curparse *curp, char *arg)
1.1 kristaps 595: {
596:
597: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 598: curp->outtype = OUTT_ASCII;
599: else if (0 == strcmp(arg, "lint")) {
600: curp->outtype = OUTT_LINT;
1.103 schwarze 601: curp->wlevel = MANDOCLEVEL_WARNING;
1.154 kristaps 602: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 603: curp->outtype = OUTT_TREE;
1.164 schwarze 604: else if (0 == strcmp(arg, "man"))
605: curp->outtype = OUTT_MAN;
1.43 kristaps 606: else if (0 == strcmp(arg, "html"))
1.60 kristaps 607: curp->outtype = OUTT_HTML;
1.163 kristaps 608: else if (0 == strcmp(arg, "utf8"))
609: curp->outtype = OUTT_UTF8;
1.162 kristaps 610: else if (0 == strcmp(arg, "locale"))
611: curp->outtype = OUTT_LOCALE;
1.59 kristaps 612: else if (0 == strcmp(arg, "xhtml"))
1.60 kristaps 613: curp->outtype = OUTT_XHTML;
1.85 kristaps 614: else if (0 == strcmp(arg, "ps"))
615: curp->outtype = OUTT_PS;
1.100 kristaps 616: else if (0 == strcmp(arg, "pdf"))
617: curp->outtype = OUTT_PDF;
1.1 kristaps 618: else {
1.176 schwarze 619: fprintf(stderr, "%s: -T%s: Bad argument\n",
620: progname, arg);
1.1 kristaps 621: return(0);
622: }
623:
624: return(1);
625: }
626:
627: static int
1.103 schwarze 628: woptions(struct curparse *curp, char *arg)
1.1 kristaps 629: {
1.34 kristaps 630: char *v, *o;
1.173 schwarze 631: const char *toks[6];
1.1 kristaps 632:
1.103 schwarze 633: toks[0] = "stop";
634: toks[1] = "all";
635: toks[2] = "warning";
636: toks[3] = "error";
637: toks[4] = "fatal";
638: toks[5] = NULL;
1.1 kristaps 639:
1.34 kristaps 640: while (*arg) {
641: o = arg;
1.45 kristaps 642: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.173 schwarze 643: case 0:
1.103 schwarze 644: curp->wstop = 1;
1.1 kristaps 645: break;
1.173 schwarze 646: case 1:
1.103 schwarze 647: /* FALLTHROUGH */
1.173 schwarze 648: case 2:
1.103 schwarze 649: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 650: break;
1.173 schwarze 651: case 3:
1.103 schwarze 652: curp->wlevel = MANDOCLEVEL_ERROR;
1.24 kristaps 653: break;
1.173 schwarze 654: case 4:
1.103 schwarze 655: curp->wlevel = MANDOCLEVEL_FATAL;
1.50 kristaps 656: break;
1.1 kristaps 657: default:
1.176 schwarze 658: fprintf(stderr, "%s: -W%s: Bad argument\n",
659: progname, o);
1.1 kristaps 660: return(0);
661: }
1.34 kristaps 662: }
1.1 kristaps 663:
664: return(1);
665: }
666:
1.153 kristaps 667: static void
1.173 schwarze 668: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.155 kristaps 669: const char *file, int line, int col, const char *msg)
1.71 kristaps 670: {
1.177 schwarze 671: const char *mparse_msg;
1.103 schwarze 672:
1.175 schwarze 673: fprintf(stderr, "%s: %s:", progname, file);
674:
675: if (line)
676: fprintf(stderr, "%d:%d:", line, col + 1);
677:
1.177 schwarze 678: fprintf(stderr, " %s", mparse_strlevel(lvl));
679:
680: if (NULL != (mparse_msg = mparse_strerror(t)))
681: fprintf(stderr, ": %s", mparse_msg);
1.154 kristaps 682:
1.73 kristaps 683: if (msg)
684: fprintf(stderr, ": %s", msg);
1.154 kristaps 685:
1.73 kristaps 686: fputc('\n', stderr);
1.183 schwarze 687: }
688:
689: static void
690: spawn_pager(void)
691: {
1.184 schwarze 692: #define MAX_PAGER_ARGS 16
693: char *argv[MAX_PAGER_ARGS];
694: const char *pager;
695: char *cp;
696: int fildes[2];
697: int argc;
1.183 schwarze 698:
699: if (pipe(fildes) == -1) {
700: fprintf(stderr, "%s: pipe: %s\n",
701: progname, strerror(errno));
702: return;
703: }
704:
705: switch (fork()) {
706: case -1:
707: fprintf(stderr, "%s: fork: %s\n",
708: progname, strerror(errno));
709: exit((int)MANDOCLEVEL_SYSERR);
710: case 0:
711: close(fildes[0]);
712: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
713: fprintf(stderr, "%s: dup output: %s\n",
714: progname, strerror(errno));
715: exit((int)MANDOCLEVEL_SYSERR);
716: }
717: return;
718: default:
1.184 schwarze 719: break;
720: }
721:
722: /* The original process becomes the pager. */
723:
724: close(fildes[1]);
725: if (dup2(fildes[0], STDIN_FILENO) == -1) {
726: fprintf(stderr, "%s: dup input: %s\n",
727: progname, strerror(errno));
1.183 schwarze 728: exit((int)MANDOCLEVEL_SYSERR);
729: }
1.184 schwarze 730:
731: pager = getenv("MANPAGER");
732: if (pager == NULL || *pager == '\0')
733: pager = getenv("PAGER");
734: if (pager == NULL || *pager == '\0')
735: pager = "/usr/bin/more -s";
736: cp = mandoc_strdup(pager);
737:
738: /*
739: * Parse the pager command into words.
740: * Intentionally do not do anything fancy here.
741: */
742:
743: argc = 0;
744: while (argc + 1 < MAX_PAGER_ARGS) {
745: argv[argc++] = cp;
746: cp = strchr(cp, ' ');
747: if (cp == NULL)
748: break;
749: *cp++ = '\0';
750: while (*cp == ' ')
751: cp++;
752: if (*cp == '\0')
753: break;
754: }
755: argv[argc] = NULL;
756:
757: /* Hand over to the pager. */
758:
759: execvp(argv[0], argv);
760: fprintf(stderr, "%s: exec: %s\n",
761: progname, strerror(errno));
762: exit((int)MANDOCLEVEL_SYSERR);
1.71 kristaps 763: }
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