Annotation of mandoc/mdoc_action.c, Revision 1.2
1.2 ! kristaps 1: /* $Id: mdoc_action.c,v 1.1 2009/03/25 15:36:05 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include <sys/utsname.h>
20:
21: #include <assert.h>
22: #include <errno.h>
23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
27: #include "libmdoc.h"
28:
29: enum mwarn {
30: WBADSEC,
31: WNOWIDTH,
32: WBADDATE
33: };
34:
1.2 ! kristaps 35: enum merr {
! 36: ETOOLONG,
! 37: EMALLOC,
! 38: ENUMFMT
! 39: };
! 40:
1.1 kristaps 41: #define PRE_ARGS struct mdoc *m, const struct mdoc_node *n
42: #define POST_ARGS struct mdoc *m
43:
44: struct actions {
45: int (*pre)(PRE_ARGS);
46: int (*post)(POST_ARGS);
47: };
48:
49: static int pwarn(struct mdoc *, int, int, enum mwarn);
1.2 ! kristaps 50: static int perr(struct mdoc *, int, int, enum merr);
! 51: static int concat(struct mdoc *, const struct mdoc_node *,
! 52: char *, size_t);
1.1 kristaps 53:
54: static int post_ar(POST_ARGS);
55: static int post_bl(POST_ARGS);
56: static int post_bl_width(POST_ARGS);
57: static int post_bl_tagwidth(POST_ARGS);
58: static int post_dd(POST_ARGS);
59: static int post_display(POST_ARGS);
60: static int post_dt(POST_ARGS);
61: static int post_nm(POST_ARGS);
62: static int post_os(POST_ARGS);
63: static int post_prol(POST_ARGS);
64: static int post_sh(POST_ARGS);
65: static int post_std(POST_ARGS);
66:
67: static int pre_bd(PRE_ARGS);
68: static int pre_dl(PRE_ARGS);
69:
1.2 ! kristaps 70: #define vwarn(m, t) pwarn((m), (m)->last->line, (m)->last->pos, (t))
! 71: #define verr(m, t) perr((m), (m)->last->line, (m)->last->pos, (t))
! 72: #define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t))
1.1 kristaps 73:
74: const struct actions mdoc_actions[MDOC_MAX] = {
75: { NULL, NULL }, /* \" */
76: { NULL, post_dd }, /* Dd */
77: { NULL, post_dt }, /* Dt */
78: { NULL, post_os }, /* Os */
79: { NULL, post_sh }, /* Sh */
80: { NULL, NULL }, /* Ss */
81: { NULL, NULL }, /* Pp */
82: { NULL, NULL }, /* D1 */
83: { pre_dl, post_display }, /* Dl */
84: { pre_bd, post_display }, /* Bd */
85: { NULL, NULL }, /* Ed */
86: { NULL, post_bl }, /* Bl */
87: { NULL, NULL }, /* El */
88: { NULL, NULL }, /* It */
89: { NULL, NULL }, /* Ad */
90: { NULL, NULL }, /* An */
91: { NULL, post_ar }, /* Ar */
92: { NULL, NULL }, /* Cd */
93: { NULL, NULL }, /* Cm */
94: { NULL, NULL }, /* Dv */
95: { NULL, NULL }, /* Er */
96: { NULL, NULL }, /* Ev */
97: { NULL, post_std }, /* Ex */
98: { NULL, NULL }, /* Fa */
99: { NULL, NULL }, /* Fd */
100: { NULL, NULL }, /* Fl */
101: { NULL, NULL }, /* Fn */
102: { NULL, NULL }, /* Ft */
103: { NULL, NULL }, /* Ic */
104: { NULL, NULL }, /* In */
105: { NULL, NULL }, /* Li */
106: { NULL, NULL }, /* Nd */
107: { NULL, post_nm }, /* Nm */
108: { NULL, NULL }, /* Op */
109: { NULL, NULL }, /* Ot */
110: { NULL, NULL }, /* Pa */
111: { NULL, post_std }, /* Rv */
112: { NULL, NULL }, /* St */
113: { NULL, NULL }, /* Va */
114: { NULL, NULL }, /* Vt */
115: { NULL, NULL }, /* Xr */
116: { NULL, NULL }, /* %A */
117: { NULL, NULL }, /* %B */
118: { NULL, NULL }, /* %D */
119: { NULL, NULL }, /* %I */
120: { NULL, NULL }, /* %J */
121: { NULL, NULL }, /* %N */
122: { NULL, NULL }, /* %O */
123: { NULL, NULL }, /* %P */
124: { NULL, NULL }, /* %R */
125: { NULL, NULL }, /* %T */
126: { NULL, NULL }, /* %V */
127: { NULL, NULL }, /* Ac */
128: { NULL, NULL }, /* Ao */
129: { NULL, NULL }, /* Aq */
130: { NULL, NULL }, /* At */
131: { NULL, NULL }, /* Bc */
132: { NULL, NULL }, /* Bf */
133: { NULL, NULL }, /* Bo */
134: { NULL, NULL }, /* Bq */
135: { NULL, NULL }, /* Bsx */
136: { NULL, NULL }, /* Bx */
137: { NULL, NULL }, /* Db */
138: { NULL, NULL }, /* Dc */
139: { NULL, NULL }, /* Do */
140: { NULL, NULL }, /* Dq */
141: { NULL, NULL }, /* Ec */
142: { NULL, NULL }, /* Ef */
143: { NULL, NULL }, /* Em */
144: { NULL, NULL }, /* Eo */
145: { NULL, NULL }, /* Fx */
146: { NULL, NULL }, /* Ms */
147: { NULL, NULL }, /* No */
148: { NULL, NULL }, /* Ns */
149: { NULL, NULL }, /* Nx */
150: { NULL, NULL }, /* Ox */
151: { NULL, NULL }, /* Pc */
152: { NULL, NULL }, /* Pf */
153: { NULL, NULL }, /* Po */
154: { NULL, NULL }, /* Pq */
155: { NULL, NULL }, /* Qc */
156: { NULL, NULL }, /* Ql */
157: { NULL, NULL }, /* Qo */
158: { NULL, NULL }, /* Qq */
159: { NULL, NULL }, /* Re */
160: { NULL, NULL }, /* Rs */
161: { NULL, NULL }, /* Sc */
162: { NULL, NULL }, /* So */
163: { NULL, NULL }, /* Sq */
164: { NULL, NULL }, /* Sm */
165: { NULL, NULL }, /* Sx */
166: { NULL, NULL }, /* Sy */
167: { NULL, NULL }, /* Tn */
168: { NULL, NULL }, /* Ux */
169: { NULL, NULL }, /* Xc */
170: { NULL, NULL }, /* Xo */
171: { NULL, NULL }, /* Fo */
172: { NULL, NULL }, /* Fc */
173: { NULL, NULL }, /* Oo */
174: { NULL, NULL }, /* Oc */
175: { NULL, NULL }, /* Bk */
176: { NULL, NULL }, /* Ek */
177: { NULL, NULL }, /* Bt */
178: { NULL, NULL }, /* Hf */
179: { NULL, NULL }, /* Fr */
180: { NULL, NULL }, /* Ud */
181: { NULL, NULL }, /* Lb */
182: { NULL, NULL }, /* Ap */
183: { NULL, NULL }, /* Lp */
184: { NULL, NULL }, /* Lk */
185: { NULL, NULL }, /* Mt */
186: { NULL, NULL }, /* Brq */
187: { NULL, NULL }, /* Bro */
188: { NULL, NULL }, /* Brc */
189: { NULL, NULL }, /* %C */
190: { NULL, NULL }, /* Es */
191: { NULL, NULL }, /* En */
192: { NULL, NULL }, /* Dx */
193: { NULL, NULL }, /* %Q */
194: };
195:
196:
1.2 ! kristaps 197: #ifdef __linux__
! 198: extern size_t strlcpy(char *, const char *, size_t);
! 199: extern size_t strlcat(char *, const char *, size_t);
! 200: #endif
! 201:
! 202:
1.1 kristaps 203: int
204: mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
205: {
206:
207: switch (n->type) {
208: case (MDOC_ROOT):
1.2 ! kristaps 209: /* FALLTHROUGH */
1.1 kristaps 210: case (MDOC_TEXT):
1.2 ! kristaps 211: return(1);
! 212: default:
1.1 kristaps 213: break;
214: }
1.2 ! kristaps 215:
! 216: if (NULL == mdoc_actions[m->last->tok].pre)
! 217: return(1);
! 218: return((*mdoc_actions[m->last->tok].pre)(m, n));
1.1 kristaps 219: }
220:
221:
222: int
223: mdoc_action_post(struct mdoc *m)
224: {
225:
226: if (MDOC_ACTED & m->last->flags)
227: return(1);
228: m->last->flags |= MDOC_ACTED;
229:
230: switch (m->last->type) {
231: case (MDOC_TEXT):
1.2 ! kristaps 232: /* FALLTHROUGH */
1.1 kristaps 233: case (MDOC_ROOT):
1.2 ! kristaps 234: return(1);
! 235: default:
1.1 kristaps 236: break;
237: }
1.2 ! kristaps 238:
! 239: if (NULL == mdoc_actions[m->last->tok].post)
! 240: return(1);
! 241: return((*mdoc_actions[m->last->tok].post)(m));
! 242: }
! 243:
! 244:
! 245: static int
! 246: concat(struct mdoc *m, const struct mdoc_node *n,
! 247: char *buf, size_t sz)
! 248: {
! 249:
! 250: for ( ; n; n = n->next) {
! 251: assert(MDOC_TEXT == n->type);
! 252: if (strlcat(buf, n->string, sz) >= sz)
! 253: return(nerr(m, n, ETOOLONG));
! 254: if (NULL == n->next)
! 255: continue;
! 256: if (strlcat(buf, " ", sz) >= sz)
! 257: return(nerr(m, n, ETOOLONG));
! 258: }
! 259:
1.1 kristaps 260: return(1);
261: }
262:
263:
264: static int
1.2 ! kristaps 265: perr(struct mdoc *m, int line, int pos, enum merr type)
! 266: {
! 267: char *p;
! 268:
! 269: p = NULL;
! 270: switch (type) {
! 271: case (ENUMFMT):
! 272: p = "bad number format";
! 273: break;
! 274: case (ETOOLONG):
! 275: p = "argument text too long";
! 276: break;
! 277: case (EMALLOC):
! 278: p = "memory exhausted";
! 279: break;
! 280: }
! 281: assert(p);
! 282: return(mdoc_perr(m, line, pos, p));
! 283: }
! 284:
! 285:
! 286: static int
1.1 kristaps 287: pwarn(struct mdoc *m, int line, int pos, enum mwarn type)
288: {
289: char *p;
290: int c;
291:
292: p = NULL;
293: c = WARN_SYNTAX;
294: switch (type) {
295: case (WBADSEC):
296: p = "inappropriate document section in manual section";
297: c = WARN_COMPAT;
298: break;
299: case (WNOWIDTH):
300: p = "cannot determine default width";
301: break;
302: case (WBADDATE):
303: p = "malformed date syntax";
304: break;
305: }
306: assert(p);
307: return(mdoc_pwarn(m, line, pos, c, p));
308: }
309:
310:
311: static int
312: post_std(POST_ARGS)
313: {
314:
315: /*
316: * If '-std' is invoked without an argument, fill it in with our
317: * name (if it's been set).
318: */
319:
320: if (NULL == m->last->args)
321: return(1);
322: if (m->last->args->argv[0].sz)
323: return(1);
324:
325: assert(m->meta.name);
326:
327: m->last->args->argv[0].value = calloc(1, sizeof(char *));
328: if (NULL == m->last->args->argv[0].value)
1.2 ! kristaps 329: return(verr(m, EMALLOC));
1.1 kristaps 330:
331: m->last->args->argv[0].sz = 1;
1.2 ! kristaps 332: m->last->args->argv[0].value[0] = strdup(m->meta.name);
! 333: if (NULL == m->last->args->argv[0].value[0])
! 334: return(verr(m, EMALLOC));
! 335:
1.1 kristaps 336: return(1);
337: }
338:
339:
340: static int
341: post_nm(POST_ARGS)
342: {
343: char buf[64];
344:
345: if (m->meta.name)
346: return(1);
1.2 ! kristaps 347: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
! 348: return(0);
! 349: if (NULL == (m->meta.name = strdup(buf)))
! 350: return(verr(m, EMALLOC));
1.1 kristaps 351:
352: return(1);
353: }
354:
355:
356: static int
357: post_sh(POST_ARGS)
358: {
359: enum mdoc_sec sec;
360: char buf[64];
361:
362: /*
363: * We keep track of the current section /and/ the "named"
364: * section, which is one of the conventional ones, in order to
365: * check ordering.
366: */
367:
368: if (MDOC_HEAD != m->last->type)
369: return(1);
1.2 ! kristaps 370: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
! 371: return(0);
1.1 kristaps 372: if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
373: m->lastnamed = sec;
374:
375: switch ((m->lastsec = sec)) {
376: case (SEC_RETURN_VALUES):
377: /* FALLTHROUGH */
378: case (SEC_ERRORS):
379: switch (m->meta.msec) {
380: case (2):
381: /* FALLTHROUGH */
382: case (3):
383: /* FALLTHROUGH */
384: case (9):
385: break;
386: default:
1.2 ! kristaps 387: return(vwarn(m, WBADSEC));
1.1 kristaps 388: }
389: break;
390: default:
391: break;
392: }
393: return(1);
394: }
395:
396:
397: static int
398: post_dt(POST_ARGS)
399: {
400: struct mdoc_node *n;
401: const char *cp;
402: char *ep;
403: long lval;
404:
405: if (m->meta.title)
406: free(m->meta.title);
407: if (m->meta.vol)
408: free(m->meta.vol);
409: if (m->meta.arch)
410: free(m->meta.arch);
411:
412: m->meta.title = m->meta.vol = m->meta.arch = NULL;
413: m->meta.msec = 0;
414:
415: /* Handles: `.Dt'
416: * --> title = unknown, volume = local, msec = 0, arch = NULL
417: */
418:
419: if (NULL == (n = m->last->child)) {
1.2 ! kristaps 420: if (NULL == (m->meta.title = strdup("unknown")))
! 421: return(verr(m, EMALLOC));
! 422: if (NULL == (m->meta.vol = strdup("local")))
! 423: return(verr(m, EMALLOC));
1.1 kristaps 424: return(post_prol(m));
425: }
426:
427: /* Handles: `.Dt TITLE'
428: * --> title = TITLE, volume = local, msec = 0, arch = NULL
429: */
430:
1.2 ! kristaps 431: if (NULL == (m->meta.title = strdup(n->string)))
! 432: return(verr(m, EMALLOC));
1.1 kristaps 433:
434: if (NULL == (n = n->next)) {
1.2 ! kristaps 435: if (NULL == (m->meta.vol = strdup("local")))
! 436: return(verr(m, EMALLOC));
1.1 kristaps 437: return(post_prol(m));
438: }
439:
440: /* Handles: `.Dt TITLE SEC'
441: * --> title = TITLE, volume = SEC is msec ?
442: * format(msec) : SEC,
443: * msec = SEC is msec ? atoi(msec) : 0,
444: * arch = NULL
445: */
446:
447: cp = mdoc_a2msec(n->string);
448: if (cp) {
1.2 ! kristaps 449: if (NULL == (m->meta.vol = strdup(cp)))
! 450: return(verr(m, EMALLOC));
1.1 kristaps 451: errno = 0;
452: lval = strtol(n->string, &ep, 10);
453: if (n->string[0] != '\0' && *ep == '\0')
454: m->meta.msec = (int)lval;
1.2 ! kristaps 455: } else if (NULL == (m->meta.vol = strdup(n->string)))
! 456: return(verr(m, EMALLOC));
1.1 kristaps 457:
458: if (NULL == (n = n->next))
459: return(post_prol(m));
460:
461: /* Handles: `.Dt TITLE SEC VOL'
462: * --> title = TITLE, volume = VOL is vol ?
463: * format(VOL) :
464: * VOL is arch ? format(arch) :
465: * VOL
466: */
467:
468: cp = mdoc_a2vol(n->string);
469: if (cp) {
470: free(m->meta.vol);
1.2 ! kristaps 471: if (NULL == (m->meta.vol = strdup(cp)))
! 472: return(verr(m, EMALLOC));
1.1 kristaps 473: n = n->next;
474: } else {
475: cp = mdoc_a2arch(n->string);
476: if (NULL == cp) {
477: free(m->meta.vol);
1.2 ! kristaps 478: if (NULL == (m->meta.vol = strdup(n->string)))
! 479: return(verr(m, EMALLOC));
! 480: } else if (NULL == (m->meta.arch = strdup(cp)))
! 481: return(verr(m, EMALLOC));
1.1 kristaps 482: }
483:
484: /* Ignore any subsequent parameters... */
485:
486: return(post_prol(m));
487: }
488:
489:
490: static int
491: post_os(POST_ARGS)
492: {
493: char buf[64];
494: struct utsname utsname;
495:
496: if (m->meta.os)
497: free(m->meta.os);
1.2 ! kristaps 498: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
! 499: return(0);
1.1 kristaps 500:
501: if (0 == buf[0]) {
502: if (-1 == uname(&utsname))
503: return(mdoc_err(m, "utsname"));
1.2 ! kristaps 504: if (strlcpy(buf, utsname.sysname, 64) >= 64)
! 505: return(verr(m, ETOOLONG));
! 506: if (strlcat(buf, " ", 64) >= 64)
! 507: return(verr(m, ETOOLONG));
! 508: if (strlcat(buf, utsname.release, 64) >= 64)
! 509: return(verr(m, ETOOLONG));
1.1 kristaps 510: }
511:
1.2 ! kristaps 512: if (NULL == (m->meta.os = strdup(buf)))
! 513: return(verr(m, EMALLOC));
1.1 kristaps 514: m->lastnamed = m->lastsec = SEC_BODY;
515:
516: return(post_prol(m));
517: }
518:
519:
520: /*
521: * Calculate the -width for a `Bl -tag' list if it hasn't been provided.
522: * Uses the first head macro.
523: */
524: static int
525: post_bl_tagwidth(struct mdoc *m)
526: {
527: struct mdoc_node *n;
528: int sz;
529: char buf[32];
530:
531: /*
532: * Use the text width, if a text node, or the default macro
533: * width if a macro.
534: */
535:
536: if ((n = m->last->body->child)) {
537: assert(MDOC_BLOCK == n->type);
538: assert(MDOC_It == n->tok);
539: n = n->head->child;
540: }
541:
542: sz = 10; /* Default size. */
543:
544: if (n) {
545: if (MDOC_TEXT != n->type) {
546: if (0 == (sz = (int)mdoc_macro2len(n->tok)))
1.2 ! kristaps 547: if ( ! vwarn(m, WNOWIDTH))
1.1 kristaps 548: return(0);
549: } else
550: sz = (int)strlen(n->string) + 1;
551: }
552:
1.2 ! kristaps 553: if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
! 554: return(verr(m, ENUMFMT));
1.1 kristaps 555:
556: /*
557: * We have to dynamically add this to the macro's argument list.
558: * We're guaranteed that a MDOC_Width doesn't already exist.
559: */
560:
561: n = m->last;
562: assert(n->args);
1.2 ! kristaps 563: sz = (int)(n->args->argc)++;
1.1 kristaps 564:
1.2 ! kristaps 565: n->args->argv = realloc(n->args->argv,
1.1 kristaps 566: n->args->argc * sizeof(struct mdoc_argv));
567:
1.2 ! kristaps 568: if (NULL == n->args->argv)
! 569: return(verr(m, EMALLOC));
! 570:
1.1 kristaps 571: n->args->argv[sz].arg = MDOC_Width;
572: n->args->argv[sz].line = m->last->line;
573: n->args->argv[sz].pos = m->last->pos;
574: n->args->argv[sz].sz = 1;
575: n->args->argv[sz].value = calloc(1, sizeof(char *));
1.2 ! kristaps 576:
1.1 kristaps 577: if (NULL == n->args->argv[sz].value)
1.2 ! kristaps 578: return(verr(m, EMALLOC));
! 579: if (NULL == (n->args->argv[sz].value[0] = strdup(buf)))
! 580: return(verr(m, EMALLOC));
1.1 kristaps 581:
582: return(1);
583: }
584:
585:
586: static int
587: post_bl_width(struct mdoc *m)
588: {
589: size_t width;
590: int i, tok;
591: char buf[32];
592: char *p;
593:
594: if (NULL == m->last->args)
595: return(1);
596:
597: for (i = 0; i < (int)m->last->args->argc; i++)
598: if (MDOC_Width == m->last->args->argv[i].arg)
599: break;
600:
601: if (i == (int)m->last->args->argc)
602: return(1);
603: p = m->last->args->argv[i].value[0];
604:
605: /*
606: * If the value to -width is a macro, then we re-write it to be
607: * the macro's width as set in share/tmac/mdoc/doc-common.
608: */
609:
1.2 ! kristaps 610: if (0 == strcmp(p, "Ds"))
1.1 kristaps 611: width = 8;
612: else if (MDOC_MAX == (tok = mdoc_tokhash_find(m->htab, p)))
613: return(1);
614: else if (0 == (width = mdoc_macro2len(tok)))
1.2 ! kristaps 615: return(vwarn(m, WNOWIDTH));
1.1 kristaps 616:
617: /* The value already exists: free and reallocate it. */
618:
1.2 ! kristaps 619: if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
! 620: return(verr(m, ENUMFMT));
1.1 kristaps 621:
622: free(m->last->args->argv[i].value[0]);
1.2 ! kristaps 623: m->last->args->argv[i].value[0] = strdup(buf);
! 624: if (NULL == m->last->args->argv[i].value[0])
! 625: return(verr(m, EMALLOC));
1.1 kristaps 626:
627: return(1);
628: }
629:
630:
631: static int
632: post_bl(POST_ARGS)
633: {
634: int i, r, len;
635:
636: if (MDOC_BLOCK != m->last->type)
637: return(1);
638:
639: /*
640: * These are fairly complicated, so we've broken them into two
641: * functions. post_bl_tagwidth() is called when a -tag is
642: * specified, but no -width (it must be guessed). The second
643: * when a -width is specified (macro indicators must be
644: * rewritten into real lengths).
645: */
646:
647: len = (int)(m->last->args ? m->last->args->argc : 0);
648:
649: for (r = i = 0; i < len; i++) {
650: if (MDOC_Tag == m->last->args->argv[i].arg)
651: r |= 1 << 0;
652: if (MDOC_Width == m->last->args->argv[i].arg)
653: r |= 1 << 1;
654: }
655:
656: if (r & (1 << 0) && ! (r & (1 << 1))) {
657: if ( ! post_bl_tagwidth(m))
658: return(0);
659: } else if (r & (1 << 1))
660: if ( ! post_bl_width(m))
661: return(0);
662:
663: return(1);
664: }
665:
666:
667: static int
668: post_ar(POST_ARGS)
669: {
670: struct mdoc_node *n;
671:
672: if (m->last->child)
673: return(1);
674:
675: n = m->last;
676: m->next = MDOC_NEXT_CHILD;
677: if ( ! mdoc_word_alloc(m, m->last->line,
678: m->last->pos, "file"))
679: return(0);
680: m->next = MDOC_NEXT_SIBLING;
681: if ( ! mdoc_word_alloc(m, m->last->line,
682: m->last->pos, "..."))
683: return(0);
684:
685: m->last = n;
686: m->next = MDOC_NEXT_SIBLING;
687: return(1);
688: }
689:
690:
691: static int
692: post_dd(POST_ARGS)
693: {
694: char buf[64];
695:
1.2 ! kristaps 696: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
! 697: return(0);
1.1 kristaps 698:
699: if (0 == (m->meta.date = mdoc_atotime(buf))) {
1.2 ! kristaps 700: if ( ! vwarn(m, WBADDATE))
1.1 kristaps 701: return(0);
702: m->meta.date = time(NULL);
703: }
704:
705: return(post_prol(m));
706: }
707:
708:
709: static int
710: post_prol(POST_ARGS)
711: {
712: struct mdoc_node *n;
713:
714: /*
715: * The end document shouldn't have the prologue macros as part
716: * of the syntax tree (they encompass only meta-data).
717: */
718:
719: if (m->last->parent->child == m->last)
720: m->last->parent->child = m->last->prev;
721: if (m->last->prev)
722: m->last->prev->next = NULL;
723:
724: n = m->last;
725: assert(NULL == m->last->next);
726:
727: if (m->last->prev) {
728: m->last = m->last->prev;
729: m->next = MDOC_NEXT_SIBLING;
730: } else {
731: m->last = m->last->parent;
732: m->next = MDOC_NEXT_CHILD;
733: }
734:
735: mdoc_node_freelist(n);
736: return(1);
737: }
738:
739:
740: static int
741: pre_dl(PRE_ARGS)
742: {
743:
744: if (MDOC_BODY != n->type)
745: return(1);
746: m->flags |= MDOC_LITERAL;
747: return(1);
748: }
749:
750:
751: static int
752: pre_bd(PRE_ARGS)
753: {
754: int i;
755:
756: if (MDOC_BODY != n->type)
757: return(1);
758:
1.2 ! kristaps 759: /* Enter literal context if `Bd -literal' or * -unfilled'. */
1.1 kristaps 760:
1.2 ! kristaps 761: for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
1.1 kristaps 762: if (MDOC_Literal == n->args->argv[i].arg)
763: break;
764: else if (MDOC_Unfilled == n->args->argv[i].arg)
765: break;
766:
767: if (i < (int)n->args->argc)
768: m->flags |= MDOC_LITERAL;
769:
770: return(1);
771: }
772:
773:
774: static int
775: post_display(POST_ARGS)
776: {
777:
778: if (MDOC_BODY == m->last->type)
779: m->flags &= ~MDOC_LITERAL;
780: return(1);
781: }
782:
783:
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