Annotation of src/usr.bin/mandoc/mdoc_action.c, Revision 1.14
1.14 ! schwarze 1: /* $Id: mdoc_action.c,v 1.13 2009/07/12 21:45:44 schwarze Exp $ */
1.1 kristaps 2: /*
1.2 schwarze 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.2 schwarze 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
17: #include <sys/utsname.h>
18:
19: #include <assert.h>
20: #include <errno.h>
21: #include <stdio.h>
22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "libmdoc.h"
26:
27: #define PRE_ARGS struct mdoc *m, const struct mdoc_node *n
28: #define POST_ARGS struct mdoc *m
29:
30: struct actions {
31: int (*pre)(PRE_ARGS);
32: int (*post)(POST_ARGS);
33: };
34:
35: static int concat(struct mdoc *, const struct mdoc_node *,
36: char *, size_t);
37:
38: static int post_ar(POST_ARGS);
39: static int post_bl(POST_ARGS);
1.6 schwarze 40: static int post_bl_head(POST_ARGS);
1.1 kristaps 41: static int post_bl_width(POST_ARGS);
42: static int post_bl_tagwidth(POST_ARGS);
43: static int post_dd(POST_ARGS);
44: static int post_display(POST_ARGS);
45: static int post_dt(POST_ARGS);
1.3 schwarze 46: static int post_lk(POST_ARGS);
1.1 kristaps 47: static int post_nm(POST_ARGS);
48: static int post_os(POST_ARGS);
49: static int post_prol(POST_ARGS);
50: static int post_sh(POST_ARGS);
51: static int post_std(POST_ARGS);
52:
53: static int pre_bd(PRE_ARGS);
54: static int pre_dl(PRE_ARGS);
55:
56: const struct actions mdoc_actions[MDOC_MAX] = {
1.4 schwarze 57: { NULL, NULL }, /* Ap */
1.1 kristaps 58: { NULL, post_dd }, /* Dd */
59: { NULL, post_dt }, /* Dt */
60: { NULL, post_os }, /* Os */
61: { NULL, post_sh }, /* Sh */
62: { NULL, NULL }, /* Ss */
63: { NULL, NULL }, /* Pp */
64: { NULL, NULL }, /* D1 */
65: { pre_dl, post_display }, /* Dl */
66: { pre_bd, post_display }, /* Bd */
67: { NULL, NULL }, /* Ed */
68: { NULL, post_bl }, /* Bl */
69: { NULL, NULL }, /* El */
70: { NULL, NULL }, /* It */
71: { NULL, NULL }, /* Ad */
72: { NULL, NULL }, /* An */
73: { NULL, post_ar }, /* Ar */
1.9 schwarze 74: { NULL, NULL }, /* Cd */ /* FIXME: tabs are accepted! */
1.1 kristaps 75: { NULL, NULL }, /* Cm */
76: { NULL, NULL }, /* Dv */
77: { NULL, NULL }, /* Er */
78: { NULL, NULL }, /* Ev */
79: { NULL, post_std }, /* Ex */
80: { NULL, NULL }, /* Fa */
81: { NULL, NULL }, /* Fd */
82: { NULL, NULL }, /* Fl */
83: { NULL, NULL }, /* Fn */
84: { NULL, NULL }, /* Ft */
85: { NULL, NULL }, /* Ic */
86: { NULL, NULL }, /* In */
87: { NULL, NULL }, /* Li */
88: { NULL, NULL }, /* Nd */
89: { NULL, post_nm }, /* Nm */
90: { NULL, NULL }, /* Op */
91: { NULL, NULL }, /* Ot */
92: { NULL, NULL }, /* Pa */
93: { NULL, post_std }, /* Rv */
94: { NULL, NULL }, /* St */
95: { NULL, NULL }, /* Va */
96: { NULL, NULL }, /* Vt */
97: { NULL, NULL }, /* Xr */
98: { NULL, NULL }, /* %A */
99: { NULL, NULL }, /* %B */
100: { NULL, NULL }, /* %D */
101: { NULL, NULL }, /* %I */
102: { NULL, NULL }, /* %J */
103: { NULL, NULL }, /* %N */
104: { NULL, NULL }, /* %O */
105: { NULL, NULL }, /* %P */
106: { NULL, NULL }, /* %R */
107: { NULL, NULL }, /* %T */
108: { NULL, NULL }, /* %V */
109: { NULL, NULL }, /* Ac */
110: { NULL, NULL }, /* Ao */
111: { NULL, NULL }, /* Aq */
112: { NULL, NULL }, /* At */
113: { NULL, NULL }, /* Bc */
114: { NULL, NULL }, /* Bf */
115: { NULL, NULL }, /* Bo */
116: { NULL, NULL }, /* Bq */
117: { NULL, NULL }, /* Bsx */
118: { NULL, NULL }, /* Bx */
119: { NULL, NULL }, /* Db */
120: { NULL, NULL }, /* Dc */
121: { NULL, NULL }, /* Do */
122: { NULL, NULL }, /* Dq */
123: { NULL, NULL }, /* Ec */
124: { NULL, NULL }, /* Ef */
125: { NULL, NULL }, /* Em */
126: { NULL, NULL }, /* Eo */
127: { NULL, NULL }, /* Fx */
128: { NULL, NULL }, /* Ms */
129: { NULL, NULL }, /* No */
130: { NULL, NULL }, /* Ns */
131: { NULL, NULL }, /* Nx */
132: { NULL, NULL }, /* Ox */
133: { NULL, NULL }, /* Pc */
134: { NULL, NULL }, /* Pf */
135: { NULL, NULL }, /* Po */
136: { NULL, NULL }, /* Pq */
137: { NULL, NULL }, /* Qc */
138: { NULL, NULL }, /* Ql */
139: { NULL, NULL }, /* Qo */
140: { NULL, NULL }, /* Qq */
141: { NULL, NULL }, /* Re */
142: { NULL, NULL }, /* Rs */
143: { NULL, NULL }, /* Sc */
144: { NULL, NULL }, /* So */
145: { NULL, NULL }, /* Sq */
146: { NULL, NULL }, /* Sm */
147: { NULL, NULL }, /* Sx */
148: { NULL, NULL }, /* Sy */
149: { NULL, NULL }, /* Tn */
150: { NULL, NULL }, /* Ux */
151: { NULL, NULL }, /* Xc */
152: { NULL, NULL }, /* Xo */
153: { NULL, NULL }, /* Fo */
154: { NULL, NULL }, /* Fc */
155: { NULL, NULL }, /* Oo */
156: { NULL, NULL }, /* Oc */
157: { NULL, NULL }, /* Bk */
158: { NULL, NULL }, /* Ek */
159: { NULL, NULL }, /* Bt */
160: { NULL, NULL }, /* Hf */
161: { NULL, NULL }, /* Fr */
162: { NULL, NULL }, /* Ud */
163: { NULL, NULL }, /* Lb */
164: { NULL, NULL }, /* Lp */
1.3 schwarze 165: { NULL, post_lk }, /* Lk */
1.1 kristaps 166: { NULL, NULL }, /* Mt */
167: { NULL, NULL }, /* Brq */
168: { NULL, NULL }, /* Bro */
169: { NULL, NULL }, /* Brc */
170: { NULL, NULL }, /* %C */
171: { NULL, NULL }, /* Es */
172: { NULL, NULL }, /* En */
173: { NULL, NULL }, /* Dx */
174: { NULL, NULL }, /* %Q */
175: };
176:
177:
178: int
179: mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
180: {
181:
182: switch (n->type) {
183: case (MDOC_ROOT):
184: /* FALLTHROUGH */
185: case (MDOC_TEXT):
186: return(1);
187: default:
188: break;
189: }
190:
191: if (NULL == mdoc_actions[n->tok].pre)
192: return(1);
193: return((*mdoc_actions[n->tok].pre)(m, n));
194: }
195:
196:
197: int
198: mdoc_action_post(struct mdoc *m)
199: {
200:
201: if (MDOC_ACTED & m->last->flags)
202: return(1);
203: m->last->flags |= MDOC_ACTED;
204:
205: switch (m->last->type) {
206: case (MDOC_TEXT):
207: /* FALLTHROUGH */
208: case (MDOC_ROOT):
209: return(1);
210: default:
211: break;
212: }
213:
214: if (NULL == mdoc_actions[m->last->tok].post)
215: return(1);
216: return((*mdoc_actions[m->last->tok].post)(m));
217: }
218:
219:
220: static int
221: concat(struct mdoc *m, const struct mdoc_node *n,
222: char *buf, size_t sz)
223: {
224:
225: for ( ; n; n = n->next) {
226: assert(MDOC_TEXT == n->type);
227: if (strlcat(buf, n->string, sz) >= sz)
1.12 schwarze 228: return(mdoc_nerr(m, n, ETOOLONG));
1.1 kristaps 229: if (NULL == n->next)
230: continue;
231: if (strlcat(buf, " ", sz) >= sz)
1.12 schwarze 232: return(mdoc_nerr(m, n, ETOOLONG));
1.1 kristaps 233: }
234:
235: return(1);
236: }
237:
238:
239: static int
240: post_std(POST_ARGS)
241: {
242:
243: /*
244: * If '-std' is invoked without an argument, fill it in with our
245: * name (if it's been set).
246: */
247:
248: if (NULL == m->last->args)
249: return(1);
250: if (m->last->args->argv[0].sz)
251: return(1);
252:
253: assert(m->meta.name);
254:
255: m->last->args->argv[0].value = calloc(1, sizeof(char *));
256: if (NULL == m->last->args->argv[0].value)
1.12 schwarze 257: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 258:
259: m->last->args->argv[0].sz = 1;
260: m->last->args->argv[0].value[0] = strdup(m->meta.name);
261: if (NULL == m->last->args->argv[0].value[0])
1.12 schwarze 262: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 263:
264: return(1);
265: }
266:
267:
268: static int
269: post_nm(POST_ARGS)
270: {
271: char buf[64];
272:
273: if (m->meta.name)
274: return(1);
275:
276: buf[0] = 0;
277: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
278: return(0);
1.2 schwarze 279:
1.1 kristaps 280: if (NULL == (m->meta.name = strdup(buf)))
1.12 schwarze 281: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 schwarze 282:
1.1 kristaps 283: return(1);
284: }
285:
286:
287: static int
288: post_sh(POST_ARGS)
289: {
290: enum mdoc_sec sec;
291: char buf[64];
292:
293: /*
294: * We keep track of the current section /and/ the "named"
295: * section, which is one of the conventional ones, in order to
296: * check ordering.
297: */
298:
299: if (MDOC_HEAD != m->last->type)
300: return(1);
301:
302: buf[0] = 0;
303: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
304: return(0);
305: if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
306: m->lastnamed = sec;
307:
308: switch ((m->lastsec = sec)) {
309: case (SEC_RETURN_VALUES):
310: /* FALLTHROUGH */
311: case (SEC_ERRORS):
312: switch (m->meta.msec) {
313: case (2):
314: /* FALLTHROUGH */
315: case (3):
316: /* FALLTHROUGH */
317: case (9):
318: break;
319: default:
1.14 ! schwarze 320: return(mdoc_nwarn(m, m->last, EBADSEC));
1.1 kristaps 321: }
322: break;
323: default:
324: break;
325: }
326: return(1);
327: }
328:
329:
330: static int
331: post_dt(POST_ARGS)
332: {
333: struct mdoc_node *n;
334: const char *cp;
335: char *ep;
336: long lval;
337:
338: if (m->meta.title)
339: free(m->meta.title);
340: if (m->meta.vol)
341: free(m->meta.vol);
342: if (m->meta.arch)
343: free(m->meta.arch);
344:
345: m->meta.title = m->meta.vol = m->meta.arch = NULL;
346: m->meta.msec = 0;
347:
348: /* Handles: `.Dt'
349: * --> title = unknown, volume = local, msec = 0, arch = NULL
350: */
351:
352: if (NULL == (n = m->last->child)) {
353: if (NULL == (m->meta.title = strdup("unknown")))
1.12 schwarze 354: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 355: if (NULL == (m->meta.vol = strdup("local")))
1.12 schwarze 356: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 357: return(post_prol(m));
358: }
359:
360: /* Handles: `.Dt TITLE'
361: * --> title = TITLE, volume = local, msec = 0, arch = NULL
362: */
363:
364: if (NULL == (m->meta.title = strdup(n->string)))
1.12 schwarze 365: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 366:
367: if (NULL == (n = n->next)) {
368: if (NULL == (m->meta.vol = strdup("local")))
1.12 schwarze 369: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 370: return(post_prol(m));
371: }
372:
373: /* Handles: `.Dt TITLE SEC'
374: * --> title = TITLE, volume = SEC is msec ?
375: * format(msec) : SEC,
376: * msec = SEC is msec ? atoi(msec) : 0,
377: * arch = NULL
378: */
379:
380: cp = mdoc_a2msec(n->string);
381: if (cp) {
382: if (NULL == (m->meta.vol = strdup(cp)))
1.12 schwarze 383: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 384: errno = 0;
385: lval = strtol(n->string, &ep, 10);
386: if (n->string[0] != '\0' && *ep == '\0')
387: m->meta.msec = (int)lval;
388: } else if (NULL == (m->meta.vol = strdup(n->string)))
1.12 schwarze 389: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 390:
391: if (NULL == (n = n->next))
392: return(post_prol(m));
393:
394: /* Handles: `.Dt TITLE SEC VOL'
395: * --> title = TITLE, volume = VOL is vol ?
396: * format(VOL) :
397: * VOL is arch ? format(arch) :
398: * VOL
399: */
400:
401: cp = mdoc_a2vol(n->string);
402: if (cp) {
403: free(m->meta.vol);
404: if (NULL == (m->meta.vol = strdup(cp)))
1.12 schwarze 405: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 406: n = n->next;
407: } else {
408: cp = mdoc_a2arch(n->string);
409: if (NULL == cp) {
410: free(m->meta.vol);
411: if (NULL == (m->meta.vol = strdup(n->string)))
1.12 schwarze 412: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 413: } else if (NULL == (m->meta.arch = strdup(cp)))
1.12 schwarze 414: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 415: }
416:
417: /* Ignore any subsequent parameters... */
418:
419: return(post_prol(m));
420: }
421:
422:
423: static int
424: post_os(POST_ARGS)
425: {
426: char buf[64];
427: struct utsname utsname;
428:
429: if (m->meta.os)
430: free(m->meta.os);
431:
432: buf[0] = 0;
433: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
434: return(0);
435:
436: if (0 == buf[0]) {
437: if (-1 == uname(&utsname))
1.12 schwarze 438: return(mdoc_nerr(m, m->last, EUTSNAME));
1.1 kristaps 439: if (strlcat(buf, utsname.sysname, 64) >= 64)
1.12 schwarze 440: return(mdoc_nerr(m, m->last, ETOOLONG));
1.1 kristaps 441: if (strlcat(buf, " ", 64) >= 64)
1.12 schwarze 442: return(mdoc_nerr(m, m->last, ETOOLONG));
1.1 kristaps 443: if (strlcat(buf, utsname.release, 64) >= 64)
1.12 schwarze 444: return(mdoc_nerr(m, m->last, ETOOLONG));
1.1 kristaps 445: }
446:
447: if (NULL == (m->meta.os = strdup(buf)))
1.12 schwarze 448: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 449:
1.5 schwarze 450: m->flags |= MDOC_PBODY;
1.1 kristaps 451: return(post_prol(m));
452: }
453:
454:
455: /*
456: * Calculate the -width for a `Bl -tag' list if it hasn't been provided.
457: * Uses the first head macro.
458: */
459: static int
460: post_bl_tagwidth(struct mdoc *m)
461: {
462: struct mdoc_node *n;
463: int sz;
464: char buf[32];
465:
466: /*
467: * Use the text width, if a text node, or the default macro
468: * width if a macro.
469: */
470:
1.3 schwarze 471: n = m->last->body->child;
472: if (n) {
1.1 kristaps 473: assert(MDOC_BLOCK == n->type);
474: assert(MDOC_It == n->tok);
475: n = n->head->child;
476: }
477:
478: sz = 10; /* Default size. */
479:
480: if (n) {
481: if (MDOC_TEXT != n->type) {
482: if (0 == (sz = (int)mdoc_macro2len(n->tok)))
1.14 ! schwarze 483: if ( ! mdoc_nwarn(m, m->last, ENOWIDTH))
1.1 kristaps 484: return(0);
485: } else
486: sz = (int)strlen(n->string) + 1;
487: }
488:
489: if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
1.12 schwarze 490: return(mdoc_nerr(m, m->last, ENUMFMT));
1.1 kristaps 491:
492: /*
493: * We have to dynamically add this to the macro's argument list.
494: * We're guaranteed that a MDOC_Width doesn't already exist.
495: */
496:
497: n = m->last;
498: assert(n->args);
499: sz = (int)(n->args->argc)++;
500:
501: n->args->argv = realloc(n->args->argv,
502: n->args->argc * sizeof(struct mdoc_argv));
503:
504: if (NULL == n->args->argv)
1.12 schwarze 505: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 506:
507: n->args->argv[sz].arg = MDOC_Width;
508: n->args->argv[sz].line = m->last->line;
509: n->args->argv[sz].pos = m->last->pos;
510: n->args->argv[sz].sz = 1;
511: n->args->argv[sz].value = calloc(1, sizeof(char *));
512:
513: if (NULL == n->args->argv[sz].value)
1.12 schwarze 514: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 515: if (NULL == (n->args->argv[sz].value[0] = strdup(buf)))
1.12 schwarze 516: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 517:
518: return(1);
519: }
520:
521:
522: static int
523: post_bl_width(struct mdoc *m)
524: {
525: size_t width;
526: int i, tok;
527: char buf[32];
528: char *p;
529:
530: if (NULL == m->last->args)
531: return(1);
532:
533: for (i = 0; i < (int)m->last->args->argc; i++)
534: if (MDOC_Width == m->last->args->argv[i].arg)
535: break;
536:
537: if (i == (int)m->last->args->argc)
538: return(1);
539: p = m->last->args->argv[i].value[0];
540:
541: /*
542: * If the value to -width is a macro, then we re-write it to be
543: * the macro's width as set in share/tmac/mdoc/doc-common.
544: */
545:
546: if (0 == strcmp(p, "Ds"))
1.9 schwarze 547: width = 6;
1.1 kristaps 548: else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p)))
549: return(1);
550: else if (0 == (width = mdoc_macro2len(tok)))
1.14 ! schwarze 551: return(mdoc_nwarn(m, m->last, ENOWIDTH));
1.1 kristaps 552:
553: /* The value already exists: free and reallocate it. */
554:
555: if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
1.12 schwarze 556: return(mdoc_nerr(m, m->last, ENUMFMT));
1.1 kristaps 557:
558: free(m->last->args->argv[i].value[0]);
559: m->last->args->argv[i].value[0] = strdup(buf);
560: if (NULL == m->last->args->argv[i].value[0])
1.12 schwarze 561: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 562:
563: return(1);
564: }
565:
566:
567: static int
1.6 schwarze 568: post_bl_head(POST_ARGS)
569: {
570: int i, c;
571: struct mdoc_node *n, *nn, *nnp;
572:
573: if (NULL == m->last->child)
574: return(1);
575:
576: n = m->last->parent;
577: assert(n->args);
578:
579: for (c = 0; c < (int)n->args->argc; c++)
580: if (MDOC_Column == n->args->argv[c].arg)
581: break;
582:
583: /* Only process -column. */
584:
585: if (c == (int)n->args->argc)
586: return(1);
587:
588: assert(0 == n->args->argv[c].sz);
589:
590: /*
591: * Accomodate for new-style groff column syntax. Shuffle the
592: * child nodes, all of which must be TEXT, as arguments for the
593: * column field. Then, delete the head children.
594: */
595:
1.8 schwarze 596: n->args->argv[c].sz = (size_t)m->last->nchild;
597: n->args->argv[c].value = malloc
598: ((size_t)m->last->nchild * sizeof(char *));
1.6 schwarze 599:
600: for (i = 0, nn = m->last->child; nn; i++) {
601: n->args->argv[c].value[i] = nn->string;
602: nn->string = NULL;
603: nnp = nn;
604: nn = nn->next;
605: mdoc_node_free(nnp);
606: }
607:
1.8 schwarze 608: m->last->nchild = 0;
1.6 schwarze 609: m->last->child = NULL;
1.8 schwarze 610:
1.6 schwarze 611: return(1);
612: }
613:
614:
615: static int
1.1 kristaps 616: post_bl(POST_ARGS)
617: {
618: int i, r, len;
619:
1.6 schwarze 620: if (MDOC_HEAD == m->last->type)
621: return(post_bl_head(m));
1.1 kristaps 622: if (MDOC_BLOCK != m->last->type)
623: return(1);
624:
625: /*
626: * These are fairly complicated, so we've broken them into two
627: * functions. post_bl_tagwidth() is called when a -tag is
628: * specified, but no -width (it must be guessed). The second
629: * when a -width is specified (macro indicators must be
630: * rewritten into real lengths).
631: */
632:
633: len = (int)(m->last->args ? m->last->args->argc : 0);
634:
635: for (r = i = 0; i < len; i++) {
636: if (MDOC_Tag == m->last->args->argv[i].arg)
637: r |= 1 << 0;
638: if (MDOC_Width == m->last->args->argv[i].arg)
639: r |= 1 << 1;
640: }
641:
642: if (r & (1 << 0) && ! (r & (1 << 1))) {
643: if ( ! post_bl_tagwidth(m))
644: return(0);
645: } else if (r & (1 << 1))
646: if ( ! post_bl_width(m))
647: return(0);
648:
1.3 schwarze 649: return(1);
650: }
651:
652:
653: static int
654: post_lk(POST_ARGS)
655: {
656: struct mdoc_node *n;
657:
658: if (m->last->child)
659: return(1);
660:
661: n = m->last;
662: m->next = MDOC_NEXT_CHILD;
663: /* FIXME: this isn't documented anywhere! */
664: if ( ! mdoc_word_alloc(m, m->last->line,
665: m->last->pos, "~"))
666: return(0);
667:
668: m->last = n;
669: m->next = MDOC_NEXT_SIBLING;
1.1 kristaps 670: return(1);
671: }
672:
673:
674: static int
675: post_ar(POST_ARGS)
676: {
677: struct mdoc_node *n;
678:
679: if (m->last->child)
680: return(1);
681:
682: n = m->last;
683: m->next = MDOC_NEXT_CHILD;
684: if ( ! mdoc_word_alloc(m, m->last->line,
685: m->last->pos, "file"))
686: return(0);
687: m->next = MDOC_NEXT_SIBLING;
688: if ( ! mdoc_word_alloc(m, m->last->line,
689: m->last->pos, "..."))
690: return(0);
691:
692: m->last = n;
693: m->next = MDOC_NEXT_SIBLING;
694: return(1);
695: }
696:
697:
698: static int
699: post_dd(POST_ARGS)
700: {
701: char buf[64];
702:
703: buf[0] = 0;
704: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
705: return(0);
706:
707: if (0 == (m->meta.date = mdoc_atotime(buf))) {
1.14 ! schwarze 708: if ( ! mdoc_nwarn(m, m->last, EBADDATE))
1.1 kristaps 709: return(0);
710: m->meta.date = time(NULL);
711: }
712:
713: return(post_prol(m));
714: }
715:
716:
717: static int
718: post_prol(POST_ARGS)
719: {
720: struct mdoc_node *n;
721:
722: /*
723: * The end document shouldn't have the prologue macros as part
724: * of the syntax tree (they encompass only meta-data).
725: */
726:
727: if (m->last->parent->child == m->last)
728: m->last->parent->child = m->last->prev;
729: if (m->last->prev)
730: m->last->prev->next = NULL;
731:
732: n = m->last;
733: assert(NULL == m->last->next);
734:
735: if (m->last->prev) {
736: m->last = m->last->prev;
737: m->next = MDOC_NEXT_SIBLING;
738: } else {
739: m->last = m->last->parent;
740: m->next = MDOC_NEXT_CHILD;
741: }
742:
743: mdoc_node_freelist(n);
744: return(1);
745: }
746:
747:
748: static int
749: pre_dl(PRE_ARGS)
750: {
751:
1.7 schwarze 752: if (MDOC_BODY == n->type)
753: m->flags |= MDOC_LITERAL;
1.1 kristaps 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:
766: /* Enter literal context if `Bd -literal' or * -unfilled'. */
767:
768: for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
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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