Annotation of src/usr.bin/mandoc/main.c, Revision 1.84
1.84 ! jmc 1: /* $Id: main.c,v 1.83 2012/05/24 23:33:23 schwarze Exp $ */
1.1 kristaps 2: /*
1.64 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.83 schwarze 4: * Copyright (c) 2010, 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.2 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
18:
19: #include <assert.h>
20: #include <stdio.h>
1.17 schwarze 21: #include <stdint.h>
1.1 kristaps 22: #include <stdlib.h>
23: #include <string.h>
24: #include <unistd.h>
25:
1.30 schwarze 26: #include "mandoc.h"
1.38 schwarze 27: #include "main.h"
1.1 kristaps 28: #include "mdoc.h"
29: #include "man.h"
30:
1.16 schwarze 31: typedef void (*out_mdoc)(void *, const struct mdoc *);
32: typedef void (*out_man)(void *, const struct man *);
1.1 kristaps 33: typedef void (*out_free)(void *);
34:
35: enum outt {
1.76 schwarze 36: OUTT_ASCII = 0, /* -Tascii */
1.77 schwarze 37: OUTT_LOCALE, /* -Tlocale */
38: OUTT_UTF8, /* -Tutf8 */
1.76 schwarze 39: OUTT_TREE, /* -Ttree */
1.78 schwarze 40: OUTT_MAN, /* -Tman */
1.76 schwarze 41: OUTT_HTML, /* -Thtml */
42: OUTT_XHTML, /* -Txhtml */
43: OUTT_LINT, /* -Tlint */
44: OUTT_PS, /* -Tps */
45: OUTT_PDF /* -Tpdf */
1.1 kristaps 46: };
47:
48: struct curparse {
1.76 schwarze 49: struct mparse *mp;
1.75 schwarze 50: enum mandoclevel wlevel; /* ignore messages below this */
51: int wstop; /* stop after a file with a warning */
1.33 schwarze 52: enum outt outtype; /* which output to use */
53: out_mdoc outmdoc; /* mdoc output ptr */
54: out_man outman; /* man output ptr */
55: out_free outfree; /* free output ptr */
56: void *outdata; /* data for output */
57: char outopts[BUFSIZ]; /* buf of output opts */
58: };
59:
1.79 schwarze 60: int apropos(int, char**);
61: int mandocdb(int, char**);
62:
1.76 schwarze 63: static int moptions(enum mparset *, char *);
64: static void mmsg(enum mandocerr, enum mandoclevel,
65: const char *, int, int, const char *);
66: static void parse(struct curparse *, int,
67: const char *, enum mandoclevel *);
1.27 schwarze 68: static int toptions(struct curparse *, char *);
69: static void usage(void) __attribute__((noreturn));
1.20 schwarze 70: static void version(void) __attribute__((noreturn));
1.45 schwarze 71: static int woptions(struct curparse *, char *);
1.1 kristaps 72:
1.19 schwarze 73: static const char *progname;
1.1 kristaps 74:
75: int
76: main(int argc, char *argv[])
77: {
1.27 schwarze 78: int c;
1.1 kristaps 79: struct curparse curp;
1.76 schwarze 80: enum mparset type;
81: enum mandoclevel rc;
1.83 schwarze 82: char *defos;
1.1 kristaps 83:
1.19 schwarze 84: progname = strrchr(argv[0], '/');
85: if (progname == NULL)
86: progname = argv[0];
87: else
88: ++progname;
1.79 schwarze 89:
1.81 schwarze 90: if (0 == strncmp(progname, "apropos", 7) ||
91: 0 == strncmp(progname, "whatis", 6))
1.79 schwarze 92: return(apropos(argc, argv));
1.82 schwarze 93: if (0 == strncmp(progname, "mandocdb", 8) ||
94: 0 == strncmp(progname, "makewhatis", 10))
1.79 schwarze 95: return(mandocdb(argc, argv));
1.19 schwarze 96:
97: memset(&curp, 0, sizeof(struct curparse));
1.1 kristaps 98:
1.76 schwarze 99: type = MPARSE_AUTO;
1.1 kristaps 100: curp.outtype = OUTT_ASCII;
1.45 schwarze 101: curp.wlevel = MANDOCLEVEL_FATAL;
1.83 schwarze 102: defos = NULL;
1.1 kristaps 103:
104: /* LINTED */
1.83 schwarze 105: while (-1 != (c = getopt(argc, argv, "I:m:O:T:VW:")))
1.1 kristaps 106: switch (c) {
1.83 schwarze 107: case ('I'):
108: if (strncmp(optarg, "os=", 3)) {
109: fprintf(stderr, "-I%s: Bad argument\n",
110: optarg);
111: return((int)MANDOCLEVEL_BADARG);
112: }
113: if (defos) {
114: fprintf(stderr, "-I%s: Duplicate argument\n",
115: optarg);
116: return((int)MANDOCLEVEL_BADARG);
117: }
118: defos = mandoc_strdup(optarg + 3);
119: break;
1.1 kristaps 120: case ('m'):
1.76 schwarze 121: if ( ! moptions(&type, optarg))
1.47 schwarze 122: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 123: break;
1.18 schwarze 124: case ('O'):
125: (void)strlcat(curp.outopts, optarg, BUFSIZ);
126: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 127: break;
1.1 kristaps 128: case ('T'):
1.22 schwarze 129: if ( ! toptions(&curp, optarg))
1.47 schwarze 130: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 131: break;
132: case ('W'):
1.45 schwarze 133: if ( ! woptions(&curp, optarg))
1.47 schwarze 134: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 135: break;
1.3 schwarze 136: case ('V'):
137: version();
138: /* NOTREACHED */
1.1 kristaps 139: default:
140: usage();
141: /* NOTREACHED */
142: }
143:
1.83 schwarze 144: curp.mp = mparse_alloc(type, curp.wlevel, mmsg, &curp, defos);
1.76 schwarze 145:
1.80 schwarze 146: /*
147: * Conditionally start up the lookaside buffer before parsing.
148: */
149: if (OUTT_MAN == curp.outtype)
150: mparse_keep(curp.mp);
151:
1.1 kristaps 152: argc -= optind;
153: argv += optind;
154:
1.76 schwarze 155: rc = MANDOCLEVEL_OK;
1.14 schwarze 156:
1.76 schwarze 157: if (NULL == *argv)
158: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 159:
160: while (*argv) {
1.76 schwarze 161: parse(&curp, -1, *argv, &rc);
162: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 163: break;
164: ++argv;
1.1 kristaps 165: }
166:
167: if (curp.outfree)
168: (*curp.outfree)(curp.outdata);
1.76 schwarze 169: if (curp.mp)
170: mparse_free(curp.mp);
1.83 schwarze 171: free(defos);
1.1 kristaps 172:
1.76 schwarze 173: return((int)rc);
1.1 kristaps 174: }
175:
1.20 schwarze 176: static void
1.3 schwarze 177: version(void)
178: {
179:
1.76 schwarze 180: printf("%s %s\n", progname, VERSION);
1.47 schwarze 181: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 182: }
183:
1.20 schwarze 184: static void
1.1 kristaps 185: usage(void)
186: {
187:
1.76 schwarze 188: fprintf(stderr, "usage: %s "
1.59 schwarze 189: "[-V] "
1.84 ! jmc 190: "[-Ios=name] "
1.59 schwarze 191: "[-mformat] "
192: "[-Ooption] "
193: "[-Toutput] "
1.84 ! jmc 194: "[-Wlevel]\n"
! 195: "\t [file ...]\n",
1.59 schwarze 196: progname);
197:
1.47 schwarze 198: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 199: }
200:
1.27 schwarze 201: static void
1.76 schwarze 202: parse(struct curparse *curp, int fd,
203: const char *file, enum mandoclevel *level)
1.52 schwarze 204: {
1.76 schwarze 205: enum mandoclevel rc;
206: struct mdoc *mdoc;
207: struct man *man;
1.52 schwarze 208:
1.76 schwarze 209: /* Begin by parsing the file itself. */
1.52 schwarze 210:
1.76 schwarze 211: assert(file);
212: assert(fd >= -1);
1.52 schwarze 213:
1.76 schwarze 214: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 215:
1.76 schwarze 216: /* Stop immediately if the parse has failed. */
1.1 kristaps 217:
1.76 schwarze 218: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 219: goto cleanup;
220:
221: /*
1.76 schwarze 222: * With -Wstop and warnings or errors of at least the requested
223: * level, do not produce output.
1.51 schwarze 224: */
225:
1.76 schwarze 226: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 227: goto cleanup;
228:
229: /* If unset, allocate output dev now (if applicable). */
230:
231: if ( ! (curp->outman && curp->outmdoc)) {
232: switch (curp->outtype) {
233: case (OUTT_XHTML):
234: curp->outdata = xhtml_alloc(curp->outopts);
1.77 schwarze 235: curp->outfree = html_free;
1.51 schwarze 236: break;
237: case (OUTT_HTML):
238: curp->outdata = html_alloc(curp->outopts);
1.77 schwarze 239: curp->outfree = html_free;
240: break;
241: case (OUTT_UTF8):
242: curp->outdata = utf8_alloc(curp->outopts);
243: curp->outfree = ascii_free;
244: break;
245: case (OUTT_LOCALE):
246: curp->outdata = locale_alloc(curp->outopts);
247: curp->outfree = ascii_free;
1.51 schwarze 248: break;
249: case (OUTT_ASCII):
250: curp->outdata = ascii_alloc(curp->outopts);
251: curp->outfree = ascii_free;
252: break;
253: case (OUTT_PDF):
254: curp->outdata = pdf_alloc(curp->outopts);
255: curp->outfree = pspdf_free;
256: break;
257: case (OUTT_PS):
258: curp->outdata = ps_alloc(curp->outopts);
259: curp->outfree = pspdf_free;
260: break;
261: default:
262: break;
263: }
264:
265: switch (curp->outtype) {
266: case (OUTT_HTML):
267: /* FALLTHROUGH */
268: case (OUTT_XHTML):
269: curp->outman = html_man;
270: curp->outmdoc = html_mdoc;
271: break;
272: case (OUTT_TREE):
273: curp->outman = tree_man;
274: curp->outmdoc = tree_mdoc;
275: break;
1.78 schwarze 276: case (OUTT_MAN):
277: curp->outmdoc = man_mdoc;
1.80 schwarze 278: curp->outman = man_man;
1.78 schwarze 279: break;
1.51 schwarze 280: case (OUTT_PDF):
281: /* FALLTHROUGH */
282: case (OUTT_ASCII):
283: /* FALLTHROUGH */
1.77 schwarze 284: case (OUTT_UTF8):
285: /* FALLTHROUGH */
286: case (OUTT_LOCALE):
287: /* FALLTHROUGH */
1.51 schwarze 288: case (OUTT_PS):
289: curp->outman = terminal_man;
290: curp->outmdoc = terminal_mdoc;
291: break;
292: default:
293: break;
294: }
295: }
296:
1.76 schwarze 297: mparse_result(curp->mp, &mdoc, &man);
298:
1.51 schwarze 299: /* Execute the out device, if it exists. */
300:
1.76 schwarze 301: if (man && curp->outman)
302: (*curp->outman)(curp->outdata, man);
303: if (mdoc && curp->outmdoc)
304: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 305:
306: cleanup:
1.59 schwarze 307:
1.76 schwarze 308: mparse_reset(curp->mp);
1.59 schwarze 309:
1.76 schwarze 310: if (*level < rc)
311: *level = rc;
1.1 kristaps 312: }
313:
314: static int
1.76 schwarze 315: moptions(enum mparset *tflags, char *arg)
1.1 kristaps 316: {
317:
318: if (0 == strcmp(arg, "doc"))
1.76 schwarze 319: *tflags = MPARSE_MDOC;
1.1 kristaps 320: else if (0 == strcmp(arg, "andoc"))
1.76 schwarze 321: *tflags = MPARSE_AUTO;
1.1 kristaps 322: else if (0 == strcmp(arg, "an"))
1.76 schwarze 323: *tflags = MPARSE_MAN;
1.1 kristaps 324: else {
1.20 schwarze 325: fprintf(stderr, "%s: Bad argument\n", arg);
1.1 kristaps 326: return(0);
327: }
328:
329: return(1);
330: }
331:
332: static int
1.22 schwarze 333: toptions(struct curparse *curp, char *arg)
1.1 kristaps 334: {
335:
336: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 337: curp->outtype = OUTT_ASCII;
338: else if (0 == strcmp(arg, "lint")) {
339: curp->outtype = OUTT_LINT;
1.45 schwarze 340: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 341: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 342: curp->outtype = OUTT_TREE;
1.78 schwarze 343: else if (0 == strcmp(arg, "man"))
344: curp->outtype = OUTT_MAN;
1.17 schwarze 345: else if (0 == strcmp(arg, "html"))
1.22 schwarze 346: curp->outtype = OUTT_HTML;
1.77 schwarze 347: else if (0 == strcmp(arg, "utf8"))
348: curp->outtype = OUTT_UTF8;
349: else if (0 == strcmp(arg, "locale"))
350: curp->outtype = OUTT_LOCALE;
1.21 schwarze 351: else if (0 == strcmp(arg, "xhtml"))
1.22 schwarze 352: curp->outtype = OUTT_XHTML;
1.36 schwarze 353: else if (0 == strcmp(arg, "ps"))
354: curp->outtype = OUTT_PS;
1.43 schwarze 355: else if (0 == strcmp(arg, "pdf"))
356: curp->outtype = OUTT_PDF;
1.1 kristaps 357: else {
1.20 schwarze 358: fprintf(stderr, "%s: Bad argument\n", arg);
1.1 kristaps 359: return(0);
360: }
361:
362: return(1);
363: }
364:
365: static int
1.45 schwarze 366: woptions(struct curparse *curp, char *arg)
1.1 kristaps 367: {
1.10 schwarze 368: char *v, *o;
1.45 schwarze 369: const char *toks[6];
1.1 kristaps 370:
1.45 schwarze 371: toks[0] = "stop";
372: toks[1] = "all";
373: toks[2] = "warning";
374: toks[3] = "error";
375: toks[4] = "fatal";
376: toks[5] = NULL;
1.1 kristaps 377:
1.10 schwarze 378: while (*arg) {
379: o = arg;
1.17 schwarze 380: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.1 kristaps 381: case (0):
1.45 schwarze 382: curp->wstop = 1;
1.1 kristaps 383: break;
384: case (1):
1.45 schwarze 385: /* FALLTHROUGH */
1.1 kristaps 386: case (2):
1.45 schwarze 387: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 388: break;
389: case (3):
1.45 schwarze 390: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 391: break;
392: case (4):
1.45 schwarze 393: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 394: break;
1.1 kristaps 395: default:
1.45 schwarze 396: fprintf(stderr, "-W%s: Bad argument\n", o);
1.1 kristaps 397: return(0);
398: }
1.10 schwarze 399: }
1.1 kristaps 400:
401: return(1);
402: }
403:
1.75 schwarze 404: static void
1.76 schwarze 405: mmsg(enum mandocerr t, enum mandoclevel lvl,
406: const char *file, int line, int col, const char *msg)
1.30 schwarze 407: {
1.45 schwarze 408:
1.76 schwarze 409: fprintf(stderr, "%s:%d:%d: %s: %s",
410: file, line, col + 1,
411: mparse_strlevel(lvl),
412: mparse_strerror(t));
1.30 schwarze 413:
414: if (msg)
415: fprintf(stderr, ": %s", msg);
1.76 schwarze 416:
1.30 schwarze 417: fputc('\n', stderr);
418: }
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