Annotation of mandoc/mdoc_action.c, Revision 1.7
1.7 ! kristaps 1: /* $Id: mdoc_action.c,v 1.6 2009/04/06 08:53:12 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 strlcat(char *, const char *, size_t);
199: #endif
200:
201:
1.1 kristaps 202: int
203: mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
204: {
205:
206: switch (n->type) {
207: case (MDOC_ROOT):
1.2 kristaps 208: /* FALLTHROUGH */
1.1 kristaps 209: case (MDOC_TEXT):
1.2 kristaps 210: return(1);
211: default:
1.1 kristaps 212: break;
213: }
1.2 kristaps 214:
1.6 kristaps 215: if (NULL == mdoc_actions[n->tok].pre)
1.2 kristaps 216: return(1);
1.6 kristaps 217: return((*mdoc_actions[n->tok].pre)(m, n));
1.1 kristaps 218: }
219:
220:
221: int
222: mdoc_action_post(struct mdoc *m)
223: {
224:
225: if (MDOC_ACTED & m->last->flags)
226: return(1);
227: m->last->flags |= MDOC_ACTED;
228:
229: switch (m->last->type) {
230: case (MDOC_TEXT):
1.2 kristaps 231: /* FALLTHROUGH */
1.1 kristaps 232: case (MDOC_ROOT):
1.2 kristaps 233: return(1);
234: default:
1.1 kristaps 235: break;
236: }
1.2 kristaps 237:
238: if (NULL == mdoc_actions[m->last->tok].post)
239: return(1);
240: return((*mdoc_actions[m->last->tok].post)(m));
241: }
242:
243:
244: static int
245: concat(struct mdoc *m, const struct mdoc_node *n,
246: char *buf, size_t sz)
247: {
248:
249: for ( ; n; n = n->next) {
250: assert(MDOC_TEXT == n->type);
251: if (strlcat(buf, n->string, sz) >= sz)
252: return(nerr(m, n, ETOOLONG));
253: if (NULL == n->next)
254: continue;
255: if (strlcat(buf, " ", sz) >= sz)
256: return(nerr(m, n, ETOOLONG));
257: }
258:
1.1 kristaps 259: return(1);
260: }
261:
262:
263: static int
1.2 kristaps 264: perr(struct mdoc *m, int line, int pos, enum merr type)
265: {
266: char *p;
267:
268: p = NULL;
269: switch (type) {
270: case (ENUMFMT):
271: p = "bad number format";
272: break;
273: case (ETOOLONG):
274: p = "argument text too long";
275: break;
276: case (EMALLOC):
277: p = "memory exhausted";
278: break;
279: }
280: assert(p);
281: return(mdoc_perr(m, line, pos, p));
282: }
283:
284:
285: static int
1.1 kristaps 286: pwarn(struct mdoc *m, int line, int pos, enum mwarn type)
287: {
288: char *p;
289: int c;
290:
291: p = NULL;
292: c = WARN_SYNTAX;
293: switch (type) {
294: case (WBADSEC):
295: p = "inappropriate document section in manual section";
296: c = WARN_COMPAT;
297: break;
298: case (WNOWIDTH):
299: p = "cannot determine default width";
300: break;
301: case (WBADDATE):
302: p = "malformed date syntax";
303: break;
304: }
305: assert(p);
306: return(mdoc_pwarn(m, line, pos, c, p));
307: }
308:
309:
310: static int
311: post_std(POST_ARGS)
312: {
313:
314: /*
315: * If '-std' is invoked without an argument, fill it in with our
316: * name (if it's been set).
317: */
318:
319: if (NULL == m->last->args)
320: return(1);
321: if (m->last->args->argv[0].sz)
322: return(1);
323:
324: assert(m->meta.name);
325:
326: m->last->args->argv[0].value = calloc(1, sizeof(char *));
327: if (NULL == m->last->args->argv[0].value)
1.2 kristaps 328: return(verr(m, EMALLOC));
1.1 kristaps 329:
330: m->last->args->argv[0].sz = 1;
1.2 kristaps 331: m->last->args->argv[0].value[0] = strdup(m->meta.name);
332: if (NULL == m->last->args->argv[0].value[0])
333: return(verr(m, EMALLOC));
334:
1.1 kristaps 335: return(1);
336: }
337:
338:
339: static int
340: post_nm(POST_ARGS)
341: {
342: char buf[64];
343:
344: if (m->meta.name)
345: return(1);
1.5 kristaps 346:
347: buf[0] = 0;
1.2 kristaps 348: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
349: return(0);
1.6 kristaps 350:
1.2 kristaps 351: if (NULL == (m->meta.name = strdup(buf)))
352: return(verr(m, EMALLOC));
1.1 kristaps 353:
354: return(1);
355: }
356:
357:
358: static int
359: post_sh(POST_ARGS)
360: {
361: enum mdoc_sec sec;
362: char buf[64];
363:
364: /*
365: * We keep track of the current section /and/ the "named"
366: * section, which is one of the conventional ones, in order to
367: * check ordering.
368: */
369:
370: if (MDOC_HEAD != m->last->type)
371: return(1);
1.5 kristaps 372:
373: buf[0] = 0;
1.2 kristaps 374: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
375: return(0);
1.1 kristaps 376: if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
377: m->lastnamed = sec;
378:
379: switch ((m->lastsec = sec)) {
380: case (SEC_RETURN_VALUES):
381: /* FALLTHROUGH */
382: case (SEC_ERRORS):
383: switch (m->meta.msec) {
384: case (2):
385: /* FALLTHROUGH */
386: case (3):
387: /* FALLTHROUGH */
388: case (9):
389: break;
390: default:
1.2 kristaps 391: return(vwarn(m, WBADSEC));
1.1 kristaps 392: }
393: break;
394: default:
395: break;
396: }
397: return(1);
398: }
399:
400:
401: static int
402: post_dt(POST_ARGS)
403: {
404: struct mdoc_node *n;
405: const char *cp;
406: char *ep;
407: long lval;
408:
409: if (m->meta.title)
410: free(m->meta.title);
411: if (m->meta.vol)
412: free(m->meta.vol);
413: if (m->meta.arch)
414: free(m->meta.arch);
415:
416: m->meta.title = m->meta.vol = m->meta.arch = NULL;
417: m->meta.msec = 0;
418:
419: /* Handles: `.Dt'
420: * --> title = unknown, volume = local, msec = 0, arch = NULL
421: */
422:
423: if (NULL == (n = m->last->child)) {
1.2 kristaps 424: if (NULL == (m->meta.title = strdup("unknown")))
425: return(verr(m, EMALLOC));
426: if (NULL == (m->meta.vol = strdup("local")))
427: return(verr(m, EMALLOC));
1.1 kristaps 428: return(post_prol(m));
429: }
430:
431: /* Handles: `.Dt TITLE'
432: * --> title = TITLE, volume = local, msec = 0, arch = NULL
433: */
434:
1.2 kristaps 435: if (NULL == (m->meta.title = strdup(n->string)))
436: return(verr(m, EMALLOC));
1.1 kristaps 437:
438: if (NULL == (n = n->next)) {
1.2 kristaps 439: if (NULL == (m->meta.vol = strdup("local")))
440: return(verr(m, EMALLOC));
1.1 kristaps 441: return(post_prol(m));
442: }
443:
444: /* Handles: `.Dt TITLE SEC'
445: * --> title = TITLE, volume = SEC is msec ?
446: * format(msec) : SEC,
447: * msec = SEC is msec ? atoi(msec) : 0,
448: * arch = NULL
449: */
450:
451: cp = mdoc_a2msec(n->string);
452: if (cp) {
1.2 kristaps 453: if (NULL == (m->meta.vol = strdup(cp)))
454: return(verr(m, EMALLOC));
1.1 kristaps 455: errno = 0;
456: lval = strtol(n->string, &ep, 10);
457: if (n->string[0] != '\0' && *ep == '\0')
458: m->meta.msec = (int)lval;
1.2 kristaps 459: } else if (NULL == (m->meta.vol = strdup(n->string)))
460: return(verr(m, EMALLOC));
1.1 kristaps 461:
462: if (NULL == (n = n->next))
463: return(post_prol(m));
464:
465: /* Handles: `.Dt TITLE SEC VOL'
466: * --> title = TITLE, volume = VOL is vol ?
467: * format(VOL) :
468: * VOL is arch ? format(arch) :
469: * VOL
470: */
471:
472: cp = mdoc_a2vol(n->string);
473: if (cp) {
474: free(m->meta.vol);
1.2 kristaps 475: if (NULL == (m->meta.vol = strdup(cp)))
476: return(verr(m, EMALLOC));
1.1 kristaps 477: n = n->next;
478: } else {
479: cp = mdoc_a2arch(n->string);
480: if (NULL == cp) {
481: free(m->meta.vol);
1.2 kristaps 482: if (NULL == (m->meta.vol = strdup(n->string)))
483: return(verr(m, EMALLOC));
484: } else if (NULL == (m->meta.arch = strdup(cp)))
485: return(verr(m, EMALLOC));
1.1 kristaps 486: }
487:
488: /* Ignore any subsequent parameters... */
489:
490: return(post_prol(m));
491: }
492:
493:
494: static int
495: post_os(POST_ARGS)
496: {
497: char buf[64];
498: struct utsname utsname;
499:
500: if (m->meta.os)
501: free(m->meta.os);
1.4 kristaps 502:
503: buf[0] = 0;
1.2 kristaps 504: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
505: return(0);
1.1 kristaps 506:
507: if (0 == buf[0]) {
508: if (-1 == uname(&utsname))
509: return(mdoc_err(m, "utsname"));
1.4 kristaps 510: if (strlcat(buf, utsname.sysname, 64) >= 64)
1.2 kristaps 511: return(verr(m, ETOOLONG));
512: if (strlcat(buf, " ", 64) >= 64)
513: return(verr(m, ETOOLONG));
514: if (strlcat(buf, utsname.release, 64) >= 64)
515: return(verr(m, ETOOLONG));
1.1 kristaps 516: }
517:
1.2 kristaps 518: if (NULL == (m->meta.os = strdup(buf)))
519: return(verr(m, EMALLOC));
1.1 kristaps 520: m->lastnamed = m->lastsec = SEC_BODY;
521:
522: return(post_prol(m));
523: }
524:
525:
526: /*
527: * Calculate the -width for a `Bl -tag' list if it hasn't been provided.
528: * Uses the first head macro.
529: */
530: static int
531: post_bl_tagwidth(struct mdoc *m)
532: {
533: struct mdoc_node *n;
534: int sz;
535: char buf[32];
536:
537: /*
538: * Use the text width, if a text node, or the default macro
539: * width if a macro.
540: */
541:
542: if ((n = m->last->body->child)) {
543: assert(MDOC_BLOCK == n->type);
544: assert(MDOC_It == n->tok);
545: n = n->head->child;
546: }
547:
548: sz = 10; /* Default size. */
549:
550: if (n) {
551: if (MDOC_TEXT != n->type) {
552: if (0 == (sz = (int)mdoc_macro2len(n->tok)))
1.2 kristaps 553: if ( ! vwarn(m, WNOWIDTH))
1.1 kristaps 554: return(0);
555: } else
556: sz = (int)strlen(n->string) + 1;
557: }
558:
1.2 kristaps 559: if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
560: return(verr(m, ENUMFMT));
1.1 kristaps 561:
562: /*
563: * We have to dynamically add this to the macro's argument list.
564: * We're guaranteed that a MDOC_Width doesn't already exist.
565: */
566:
567: n = m->last;
568: assert(n->args);
1.2 kristaps 569: sz = (int)(n->args->argc)++;
1.1 kristaps 570:
1.2 kristaps 571: n->args->argv = realloc(n->args->argv,
1.1 kristaps 572: n->args->argc * sizeof(struct mdoc_argv));
573:
1.2 kristaps 574: if (NULL == n->args->argv)
575: return(verr(m, EMALLOC));
576:
1.1 kristaps 577: n->args->argv[sz].arg = MDOC_Width;
578: n->args->argv[sz].line = m->last->line;
579: n->args->argv[sz].pos = m->last->pos;
580: n->args->argv[sz].sz = 1;
581: n->args->argv[sz].value = calloc(1, sizeof(char *));
1.2 kristaps 582:
1.1 kristaps 583: if (NULL == n->args->argv[sz].value)
1.2 kristaps 584: return(verr(m, EMALLOC));
585: if (NULL == (n->args->argv[sz].value[0] = strdup(buf)))
586: return(verr(m, EMALLOC));
1.1 kristaps 587:
588: return(1);
589: }
590:
591:
592: static int
593: post_bl_width(struct mdoc *m)
594: {
595: size_t width;
596: int i, tok;
597: char buf[32];
598: char *p;
599:
600: if (NULL == m->last->args)
601: return(1);
602:
603: for (i = 0; i < (int)m->last->args->argc; i++)
604: if (MDOC_Width == m->last->args->argv[i].arg)
605: break;
606:
607: if (i == (int)m->last->args->argc)
608: return(1);
609: p = m->last->args->argv[i].value[0];
610:
611: /*
612: * If the value to -width is a macro, then we re-write it to be
613: * the macro's width as set in share/tmac/mdoc/doc-common.
614: */
615:
1.2 kristaps 616: if (0 == strcmp(p, "Ds"))
1.1 kristaps 617: width = 8;
1.3 kristaps 618: else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p)))
1.1 kristaps 619: return(1);
620: else if (0 == (width = mdoc_macro2len(tok)))
1.2 kristaps 621: return(vwarn(m, WNOWIDTH));
1.1 kristaps 622:
623: /* The value already exists: free and reallocate it. */
624:
1.2 kristaps 625: if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
626: return(verr(m, ENUMFMT));
1.1 kristaps 627:
628: free(m->last->args->argv[i].value[0]);
1.2 kristaps 629: m->last->args->argv[i].value[0] = strdup(buf);
630: if (NULL == m->last->args->argv[i].value[0])
631: return(verr(m, EMALLOC));
1.1 kristaps 632:
633: return(1);
634: }
635:
636:
637: static int
638: post_bl(POST_ARGS)
639: {
640: int i, r, len;
641:
642: if (MDOC_BLOCK != m->last->type)
643: return(1);
644:
645: /*
646: * These are fairly complicated, so we've broken them into two
647: * functions. post_bl_tagwidth() is called when a -tag is
648: * specified, but no -width (it must be guessed). The second
649: * when a -width is specified (macro indicators must be
650: * rewritten into real lengths).
651: */
652:
653: len = (int)(m->last->args ? m->last->args->argc : 0);
654:
655: for (r = i = 0; i < len; i++) {
656: if (MDOC_Tag == m->last->args->argv[i].arg)
657: r |= 1 << 0;
658: if (MDOC_Width == m->last->args->argv[i].arg)
659: r |= 1 << 1;
660: }
661:
662: if (r & (1 << 0) && ! (r & (1 << 1))) {
663: if ( ! post_bl_tagwidth(m))
664: return(0);
665: } else if (r & (1 << 1))
666: if ( ! post_bl_width(m))
667: return(0);
668:
669: return(1);
670: }
671:
672:
673: static int
674: post_ar(POST_ARGS)
675: {
676: struct mdoc_node *n;
677:
678: if (m->last->child)
679: return(1);
680:
681: n = m->last;
682: m->next = MDOC_NEXT_CHILD;
683: if ( ! mdoc_word_alloc(m, m->last->line,
684: m->last->pos, "file"))
685: return(0);
686: m->next = MDOC_NEXT_SIBLING;
687: if ( ! mdoc_word_alloc(m, m->last->line,
688: m->last->pos, "..."))
689: return(0);
690:
691: m->last = n;
692: m->next = MDOC_NEXT_SIBLING;
693: return(1);
694: }
695:
696:
697: static int
698: post_dd(POST_ARGS)
699: {
700: char buf[64];
701:
1.5 kristaps 702: buf[0] = 0;
1.2 kristaps 703: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
704: return(0);
1.1 kristaps 705:
706: if (0 == (m->meta.date = mdoc_atotime(buf))) {
1.2 kristaps 707: if ( ! vwarn(m, WBADDATE))
1.1 kristaps 708: return(0);
709: m->meta.date = time(NULL);
710: }
711:
712: return(post_prol(m));
713: }
714:
715:
716: static int
717: post_prol(POST_ARGS)
718: {
719: struct mdoc_node *n;
720:
721: /*
722: * The end document shouldn't have the prologue macros as part
723: * of the syntax tree (they encompass only meta-data).
724: */
725:
726: if (m->last->parent->child == m->last)
727: m->last->parent->child = m->last->prev;
728: if (m->last->prev)
729: m->last->prev->next = NULL;
730:
731: n = m->last;
732: assert(NULL == m->last->next);
733:
734: if (m->last->prev) {
735: m->last = m->last->prev;
736: m->next = MDOC_NEXT_SIBLING;
737: } else {
738: m->last = m->last->parent;
739: m->next = MDOC_NEXT_CHILD;
740: }
741:
742: mdoc_node_freelist(n);
743: return(1);
744: }
745:
746:
747: static int
748: pre_dl(PRE_ARGS)
749: {
750:
751: if (MDOC_BODY != n->type)
752: return(1);
753: m->flags |= MDOC_LITERAL;
754: return(1);
755: }
756:
757:
758: static int
759: pre_bd(PRE_ARGS)
760: {
761: int i;
762:
763: if (MDOC_BODY != n->type)
764: return(1);
765:
1.2 kristaps 766: /* Enter literal context if `Bd -literal' or * -unfilled'. */
1.1 kristaps 767:
1.2 kristaps 768: for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
1.1 kristaps 769: if (MDOC_Literal == n->args->argv[i].arg)
770: break;
771: else if (MDOC_Unfilled == n->args->argv[i].arg)
772: break;
773:
774: if (i < (int)n->args->argc)
775: m->flags |= MDOC_LITERAL;
776:
777: return(1);
778: }
779:
780:
781: static int
782: post_display(POST_ARGS)
783: {
784:
785: if (MDOC_BODY == m->last->type)
786: m->flags &= ~MDOC_LITERAL;
787: return(1);
788: }
789:
790:
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