Annotation of src/usr.bin/mandoc/mdoc_action.c, Revision 1.13
1.13 ! schwarze 1: /* $Id: mdoc_action.c,v 1.12 2009/07/12 21:08:29 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: enum mwarn {
28: WBADSEC,
29: WNOWIDTH,
30: WBADDATE
31: };
32:
33: #define PRE_ARGS struct mdoc *m, const struct mdoc_node *n
34: #define POST_ARGS struct mdoc *m
35:
36: struct actions {
37: int (*pre)(PRE_ARGS);
38: int (*post)(POST_ARGS);
39: };
40:
41: static int pwarn(struct mdoc *, int, int, enum mwarn);
42: static int concat(struct mdoc *, const struct mdoc_node *,
43: char *, size_t);
44:
45: static int post_ar(POST_ARGS);
46: static int post_bl(POST_ARGS);
1.6 schwarze 47: static int post_bl_head(POST_ARGS);
1.1 kristaps 48: static int post_bl_width(POST_ARGS);
49: static int post_bl_tagwidth(POST_ARGS);
50: static int post_dd(POST_ARGS);
51: static int post_display(POST_ARGS);
52: static int post_dt(POST_ARGS);
1.3 schwarze 53: static int post_lk(POST_ARGS);
1.1 kristaps 54: static int post_nm(POST_ARGS);
55: static int post_os(POST_ARGS);
56: static int post_prol(POST_ARGS);
57: static int post_sh(POST_ARGS);
58: static int post_std(POST_ARGS);
59:
60: static int pre_bd(PRE_ARGS);
61: static int pre_dl(PRE_ARGS);
62:
63: #define vwarn(m, t) pwarn((m), (m)->last->line, (m)->last->pos, (t))
64:
65: const struct actions mdoc_actions[MDOC_MAX] = {
1.4 schwarze 66: { NULL, NULL }, /* Ap */
1.1 kristaps 67: { NULL, post_dd }, /* Dd */
68: { NULL, post_dt }, /* Dt */
69: { NULL, post_os }, /* Os */
70: { NULL, post_sh }, /* Sh */
71: { NULL, NULL }, /* Ss */
72: { NULL, NULL }, /* Pp */
73: { NULL, NULL }, /* D1 */
74: { pre_dl, post_display }, /* Dl */
75: { pre_bd, post_display }, /* Bd */
76: { NULL, NULL }, /* Ed */
77: { NULL, post_bl }, /* Bl */
78: { NULL, NULL }, /* El */
79: { NULL, NULL }, /* It */
80: { NULL, NULL }, /* Ad */
81: { NULL, NULL }, /* An */
82: { NULL, post_ar }, /* Ar */
1.9 schwarze 83: { NULL, NULL }, /* Cd */ /* FIXME: tabs are accepted! */
1.1 kristaps 84: { NULL, NULL }, /* Cm */
85: { NULL, NULL }, /* Dv */
86: { NULL, NULL }, /* Er */
87: { NULL, NULL }, /* Ev */
88: { NULL, post_std }, /* Ex */
89: { NULL, NULL }, /* Fa */
90: { NULL, NULL }, /* Fd */
91: { NULL, NULL }, /* Fl */
92: { NULL, NULL }, /* Fn */
93: { NULL, NULL }, /* Ft */
94: { NULL, NULL }, /* Ic */
95: { NULL, NULL }, /* In */
96: { NULL, NULL }, /* Li */
97: { NULL, NULL }, /* Nd */
98: { NULL, post_nm }, /* Nm */
99: { NULL, NULL }, /* Op */
100: { NULL, NULL }, /* Ot */
101: { NULL, NULL }, /* Pa */
102: { NULL, post_std }, /* Rv */
103: { NULL, NULL }, /* St */
104: { NULL, NULL }, /* Va */
105: { NULL, NULL }, /* Vt */
106: { NULL, NULL }, /* Xr */
107: { NULL, NULL }, /* %A */
108: { NULL, NULL }, /* %B */
109: { NULL, NULL }, /* %D */
110: { NULL, NULL }, /* %I */
111: { NULL, NULL }, /* %J */
112: { NULL, NULL }, /* %N */
113: { NULL, NULL }, /* %O */
114: { NULL, NULL }, /* %P */
115: { NULL, NULL }, /* %R */
116: { NULL, NULL }, /* %T */
117: { NULL, NULL }, /* %V */
118: { NULL, NULL }, /* Ac */
119: { NULL, NULL }, /* Ao */
120: { NULL, NULL }, /* Aq */
121: { NULL, NULL }, /* At */
122: { NULL, NULL }, /* Bc */
123: { NULL, NULL }, /* Bf */
124: { NULL, NULL }, /* Bo */
125: { NULL, NULL }, /* Bq */
126: { NULL, NULL }, /* Bsx */
127: { NULL, NULL }, /* Bx */
128: { NULL, NULL }, /* Db */
129: { NULL, NULL }, /* Dc */
130: { NULL, NULL }, /* Do */
131: { NULL, NULL }, /* Dq */
132: { NULL, NULL }, /* Ec */
133: { NULL, NULL }, /* Ef */
134: { NULL, NULL }, /* Em */
135: { NULL, NULL }, /* Eo */
136: { NULL, NULL }, /* Fx */
137: { NULL, NULL }, /* Ms */
138: { NULL, NULL }, /* No */
139: { NULL, NULL }, /* Ns */
140: { NULL, NULL }, /* Nx */
141: { NULL, NULL }, /* Ox */
142: { NULL, NULL }, /* Pc */
143: { NULL, NULL }, /* Pf */
144: { NULL, NULL }, /* Po */
145: { NULL, NULL }, /* Pq */
146: { NULL, NULL }, /* Qc */
147: { NULL, NULL }, /* Ql */
148: { NULL, NULL }, /* Qo */
149: { NULL, NULL }, /* Qq */
150: { NULL, NULL }, /* Re */
151: { NULL, NULL }, /* Rs */
152: { NULL, NULL }, /* Sc */
153: { NULL, NULL }, /* So */
154: { NULL, NULL }, /* Sq */
155: { NULL, NULL }, /* Sm */
156: { NULL, NULL }, /* Sx */
157: { NULL, NULL }, /* Sy */
158: { NULL, NULL }, /* Tn */
159: { NULL, NULL }, /* Ux */
160: { NULL, NULL }, /* Xc */
161: { NULL, NULL }, /* Xo */
162: { NULL, NULL }, /* Fo */
163: { NULL, NULL }, /* Fc */
164: { NULL, NULL }, /* Oo */
165: { NULL, NULL }, /* Oc */
166: { NULL, NULL }, /* Bk */
167: { NULL, NULL }, /* Ek */
168: { NULL, NULL }, /* Bt */
169: { NULL, NULL }, /* Hf */
170: { NULL, NULL }, /* Fr */
171: { NULL, NULL }, /* Ud */
172: { NULL, NULL }, /* Lb */
173: { NULL, NULL }, /* Lp */
1.3 schwarze 174: { NULL, post_lk }, /* Lk */
1.1 kristaps 175: { NULL, NULL }, /* Mt */
176: { NULL, NULL }, /* Brq */
177: { NULL, NULL }, /* Bro */
178: { NULL, NULL }, /* Brc */
179: { NULL, NULL }, /* %C */
180: { NULL, NULL }, /* Es */
181: { NULL, NULL }, /* En */
182: { NULL, NULL }, /* Dx */
183: { NULL, NULL }, /* %Q */
184: };
185:
186:
187: int
188: mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
189: {
190:
191: switch (n->type) {
192: case (MDOC_ROOT):
193: /* FALLTHROUGH */
194: case (MDOC_TEXT):
195: return(1);
196: default:
197: break;
198: }
199:
200: if (NULL == mdoc_actions[n->tok].pre)
201: return(1);
202: return((*mdoc_actions[n->tok].pre)(m, n));
203: }
204:
205:
206: int
207: mdoc_action_post(struct mdoc *m)
208: {
209:
210: if (MDOC_ACTED & m->last->flags)
211: return(1);
212: m->last->flags |= MDOC_ACTED;
213:
214: switch (m->last->type) {
215: case (MDOC_TEXT):
216: /* FALLTHROUGH */
217: case (MDOC_ROOT):
218: return(1);
219: default:
220: break;
221: }
222:
223: if (NULL == mdoc_actions[m->last->tok].post)
224: return(1);
225: return((*mdoc_actions[m->last->tok].post)(m));
226: }
227:
228:
229: static int
230: concat(struct mdoc *m, const struct mdoc_node *n,
231: char *buf, size_t sz)
232: {
233:
234: for ( ; n; n = n->next) {
235: assert(MDOC_TEXT == n->type);
236: if (strlcat(buf, n->string, sz) >= sz)
1.12 schwarze 237: return(mdoc_nerr(m, n, ETOOLONG));
1.1 kristaps 238: if (NULL == n->next)
239: continue;
240: if (strlcat(buf, " ", sz) >= sz)
1.12 schwarze 241: return(mdoc_nerr(m, n, ETOOLONG));
1.1 kristaps 242: }
243:
244: return(1);
245: }
246:
247:
248: static int
249: pwarn(struct mdoc *m, int line, int pos, enum mwarn type)
250: {
251: char *p;
252: int c;
253:
254: p = NULL;
255: c = WARN_SYNTAX;
256: switch (type) {
257: case (WBADSEC):
258: p = "inappropriate document section in manual section";
259: c = WARN_COMPAT;
260: break;
261: case (WNOWIDTH):
262: p = "cannot determine default width";
263: break;
264: case (WBADDATE):
265: p = "malformed date syntax";
266: break;
267: }
268: assert(p);
269: return(mdoc_pwarn(m, line, pos, c, p));
270: }
271:
272:
273: static int
274: post_std(POST_ARGS)
275: {
276:
277: /*
278: * If '-std' is invoked without an argument, fill it in with our
279: * name (if it's been set).
280: */
281:
282: if (NULL == m->last->args)
283: return(1);
284: if (m->last->args->argv[0].sz)
285: return(1);
286:
287: assert(m->meta.name);
288:
289: m->last->args->argv[0].value = calloc(1, sizeof(char *));
290: if (NULL == m->last->args->argv[0].value)
1.12 schwarze 291: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 292:
293: m->last->args->argv[0].sz = 1;
294: m->last->args->argv[0].value[0] = strdup(m->meta.name);
295: if (NULL == m->last->args->argv[0].value[0])
1.12 schwarze 296: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 297:
298: return(1);
299: }
300:
301:
302: static int
303: post_nm(POST_ARGS)
304: {
305: char buf[64];
306:
307: if (m->meta.name)
308: return(1);
309:
310: buf[0] = 0;
311: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
312: return(0);
1.2 schwarze 313:
1.1 kristaps 314: if (NULL == (m->meta.name = strdup(buf)))
1.12 schwarze 315: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 schwarze 316:
1.1 kristaps 317: return(1);
318: }
319:
320:
321: static int
322: post_sh(POST_ARGS)
323: {
324: enum mdoc_sec sec;
325: char buf[64];
326:
327: /*
328: * We keep track of the current section /and/ the "named"
329: * section, which is one of the conventional ones, in order to
330: * check ordering.
331: */
332:
333: if (MDOC_HEAD != m->last->type)
334: return(1);
335:
336: buf[0] = 0;
337: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
338: return(0);
339: if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
340: m->lastnamed = sec;
341:
342: switch ((m->lastsec = sec)) {
343: case (SEC_RETURN_VALUES):
344: /* FALLTHROUGH */
345: case (SEC_ERRORS):
346: switch (m->meta.msec) {
347: case (2):
348: /* FALLTHROUGH */
349: case (3):
350: /* FALLTHROUGH */
351: case (9):
352: break;
353: default:
354: return(vwarn(m, WBADSEC));
355: }
356: break;
357: default:
358: break;
359: }
360: return(1);
361: }
362:
363:
364: static int
365: post_dt(POST_ARGS)
366: {
367: struct mdoc_node *n;
368: const char *cp;
369: char *ep;
370: long lval;
371:
372: if (m->meta.title)
373: free(m->meta.title);
374: if (m->meta.vol)
375: free(m->meta.vol);
376: if (m->meta.arch)
377: free(m->meta.arch);
378:
379: m->meta.title = m->meta.vol = m->meta.arch = NULL;
380: m->meta.msec = 0;
381:
382: /* Handles: `.Dt'
383: * --> title = unknown, volume = local, msec = 0, arch = NULL
384: */
385:
386: if (NULL == (n = m->last->child)) {
387: if (NULL == (m->meta.title = strdup("unknown")))
1.12 schwarze 388: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 389: if (NULL == (m->meta.vol = strdup("local")))
1.12 schwarze 390: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 391: return(post_prol(m));
392: }
393:
394: /* Handles: `.Dt TITLE'
395: * --> title = TITLE, volume = local, msec = 0, arch = NULL
396: */
397:
398: if (NULL == (m->meta.title = strdup(n->string)))
1.12 schwarze 399: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 400:
401: if (NULL == (n = n->next)) {
402: if (NULL == (m->meta.vol = strdup("local")))
1.12 schwarze 403: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 404: return(post_prol(m));
405: }
406:
407: /* Handles: `.Dt TITLE SEC'
408: * --> title = TITLE, volume = SEC is msec ?
409: * format(msec) : SEC,
410: * msec = SEC is msec ? atoi(msec) : 0,
411: * arch = NULL
412: */
413:
414: cp = mdoc_a2msec(n->string);
415: if (cp) {
416: if (NULL == (m->meta.vol = strdup(cp)))
1.12 schwarze 417: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 418: errno = 0;
419: lval = strtol(n->string, &ep, 10);
420: if (n->string[0] != '\0' && *ep == '\0')
421: m->meta.msec = (int)lval;
422: } else if (NULL == (m->meta.vol = strdup(n->string)))
1.12 schwarze 423: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 424:
425: if (NULL == (n = n->next))
426: return(post_prol(m));
427:
428: /* Handles: `.Dt TITLE SEC VOL'
429: * --> title = TITLE, volume = VOL is vol ?
430: * format(VOL) :
431: * VOL is arch ? format(arch) :
432: * VOL
433: */
434:
435: cp = mdoc_a2vol(n->string);
436: if (cp) {
437: free(m->meta.vol);
438: if (NULL == (m->meta.vol = strdup(cp)))
1.12 schwarze 439: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 440: n = n->next;
441: } else {
442: cp = mdoc_a2arch(n->string);
443: if (NULL == cp) {
444: free(m->meta.vol);
445: if (NULL == (m->meta.vol = strdup(n->string)))
1.12 schwarze 446: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 447: } else if (NULL == (m->meta.arch = strdup(cp)))
1.12 schwarze 448: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 449: }
450:
451: /* Ignore any subsequent parameters... */
452:
453: return(post_prol(m));
454: }
455:
456:
457: static int
458: post_os(POST_ARGS)
459: {
460: char buf[64];
461: struct utsname utsname;
462:
463: if (m->meta.os)
464: free(m->meta.os);
465:
466: buf[0] = 0;
467: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
468: return(0);
469:
470: if (0 == buf[0]) {
471: if (-1 == uname(&utsname))
1.12 schwarze 472: return(mdoc_nerr(m, m->last, EUTSNAME));
1.1 kristaps 473: if (strlcat(buf, utsname.sysname, 64) >= 64)
1.12 schwarze 474: return(mdoc_nerr(m, m->last, ETOOLONG));
1.1 kristaps 475: if (strlcat(buf, " ", 64) >= 64)
1.12 schwarze 476: return(mdoc_nerr(m, m->last, ETOOLONG));
1.1 kristaps 477: if (strlcat(buf, utsname.release, 64) >= 64)
1.12 schwarze 478: return(mdoc_nerr(m, m->last, ETOOLONG));
1.1 kristaps 479: }
480:
481: if (NULL == (m->meta.os = strdup(buf)))
1.12 schwarze 482: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 483:
1.5 schwarze 484: m->flags |= MDOC_PBODY;
1.1 kristaps 485: return(post_prol(m));
486: }
487:
488:
489: /*
490: * Calculate the -width for a `Bl -tag' list if it hasn't been provided.
491: * Uses the first head macro.
492: */
493: static int
494: post_bl_tagwidth(struct mdoc *m)
495: {
496: struct mdoc_node *n;
497: int sz;
498: char buf[32];
499:
500: /*
501: * Use the text width, if a text node, or the default macro
502: * width if a macro.
503: */
504:
1.3 schwarze 505: n = m->last->body->child;
506: if (n) {
1.1 kristaps 507: assert(MDOC_BLOCK == n->type);
508: assert(MDOC_It == n->tok);
509: n = n->head->child;
510: }
511:
512: sz = 10; /* Default size. */
513:
514: if (n) {
515: if (MDOC_TEXT != n->type) {
516: if (0 == (sz = (int)mdoc_macro2len(n->tok)))
517: if ( ! vwarn(m, WNOWIDTH))
518: return(0);
519: } else
520: sz = (int)strlen(n->string) + 1;
521: }
522:
523: if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
1.12 schwarze 524: return(mdoc_nerr(m, m->last, ENUMFMT));
1.1 kristaps 525:
526: /*
527: * We have to dynamically add this to the macro's argument list.
528: * We're guaranteed that a MDOC_Width doesn't already exist.
529: */
530:
531: n = m->last;
532: assert(n->args);
533: sz = (int)(n->args->argc)++;
534:
535: n->args->argv = realloc(n->args->argv,
536: n->args->argc * sizeof(struct mdoc_argv));
537:
538: if (NULL == n->args->argv)
1.12 schwarze 539: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 540:
541: n->args->argv[sz].arg = MDOC_Width;
542: n->args->argv[sz].line = m->last->line;
543: n->args->argv[sz].pos = m->last->pos;
544: n->args->argv[sz].sz = 1;
545: n->args->argv[sz].value = calloc(1, sizeof(char *));
546:
547: if (NULL == n->args->argv[sz].value)
1.12 schwarze 548: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 549: if (NULL == (n->args->argv[sz].value[0] = strdup(buf)))
1.12 schwarze 550: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 551:
552: return(1);
553: }
554:
555:
556: static int
557: post_bl_width(struct mdoc *m)
558: {
559: size_t width;
560: int i, tok;
561: char buf[32];
562: char *p;
563:
564: if (NULL == m->last->args)
565: return(1);
566:
567: for (i = 0; i < (int)m->last->args->argc; i++)
568: if (MDOC_Width == m->last->args->argv[i].arg)
569: break;
570:
571: if (i == (int)m->last->args->argc)
572: return(1);
573: p = m->last->args->argv[i].value[0];
574:
575: /*
576: * If the value to -width is a macro, then we re-write it to be
577: * the macro's width as set in share/tmac/mdoc/doc-common.
578: */
579:
580: if (0 == strcmp(p, "Ds"))
1.9 schwarze 581: width = 6;
1.1 kristaps 582: else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p)))
583: return(1);
584: else if (0 == (width = mdoc_macro2len(tok)))
585: return(vwarn(m, WNOWIDTH));
586:
587: /* The value already exists: free and reallocate it. */
588:
589: if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
1.12 schwarze 590: return(mdoc_nerr(m, m->last, ENUMFMT));
1.1 kristaps 591:
592: free(m->last->args->argv[i].value[0]);
593: m->last->args->argv[i].value[0] = strdup(buf);
594: if (NULL == m->last->args->argv[i].value[0])
1.12 schwarze 595: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 596:
597: return(1);
598: }
599:
600:
601: static int
1.6 schwarze 602: post_bl_head(POST_ARGS)
603: {
604: int i, c;
605: struct mdoc_node *n, *nn, *nnp;
606:
607: if (NULL == m->last->child)
608: return(1);
609:
610: n = m->last->parent;
611: assert(n->args);
612:
613: for (c = 0; c < (int)n->args->argc; c++)
614: if (MDOC_Column == n->args->argv[c].arg)
615: break;
616:
617: /* Only process -column. */
618:
619: if (c == (int)n->args->argc)
620: return(1);
621:
622: assert(0 == n->args->argv[c].sz);
623:
624: /*
625: * Accomodate for new-style groff column syntax. Shuffle the
626: * child nodes, all of which must be TEXT, as arguments for the
627: * column field. Then, delete the head children.
628: */
629:
1.8 schwarze 630: n->args->argv[c].sz = (size_t)m->last->nchild;
631: n->args->argv[c].value = malloc
632: ((size_t)m->last->nchild * sizeof(char *));
1.6 schwarze 633:
634: for (i = 0, nn = m->last->child; nn; i++) {
635: n->args->argv[c].value[i] = nn->string;
636: nn->string = NULL;
637: nnp = nn;
638: nn = nn->next;
639: mdoc_node_free(nnp);
640: }
641:
1.8 schwarze 642: m->last->nchild = 0;
1.6 schwarze 643: m->last->child = NULL;
1.8 schwarze 644:
1.6 schwarze 645: return(1);
646: }
647:
648:
649: static int
1.1 kristaps 650: post_bl(POST_ARGS)
651: {
652: int i, r, len;
653:
1.6 schwarze 654: if (MDOC_HEAD == m->last->type)
655: return(post_bl_head(m));
1.1 kristaps 656: if (MDOC_BLOCK != m->last->type)
657: return(1);
658:
659: /*
660: * These are fairly complicated, so we've broken them into two
661: * functions. post_bl_tagwidth() is called when a -tag is
662: * specified, but no -width (it must be guessed). The second
663: * when a -width is specified (macro indicators must be
664: * rewritten into real lengths).
665: */
666:
667: len = (int)(m->last->args ? m->last->args->argc : 0);
668:
669: for (r = i = 0; i < len; i++) {
670: if (MDOC_Tag == m->last->args->argv[i].arg)
671: r |= 1 << 0;
672: if (MDOC_Width == m->last->args->argv[i].arg)
673: r |= 1 << 1;
674: }
675:
676: if (r & (1 << 0) && ! (r & (1 << 1))) {
677: if ( ! post_bl_tagwidth(m))
678: return(0);
679: } else if (r & (1 << 1))
680: if ( ! post_bl_width(m))
681: return(0);
682:
1.3 schwarze 683: return(1);
684: }
685:
686:
687: static int
688: post_lk(POST_ARGS)
689: {
690: struct mdoc_node *n;
691:
692: if (m->last->child)
693: return(1);
694:
695: n = m->last;
696: m->next = MDOC_NEXT_CHILD;
697: /* FIXME: this isn't documented anywhere! */
698: if ( ! mdoc_word_alloc(m, m->last->line,
699: m->last->pos, "~"))
700: return(0);
701:
702: m->last = n;
703: m->next = MDOC_NEXT_SIBLING;
1.1 kristaps 704: return(1);
705: }
706:
707:
708: static int
709: post_ar(POST_ARGS)
710: {
711: struct mdoc_node *n;
712:
713: if (m->last->child)
714: return(1);
715:
716: n = m->last;
717: m->next = MDOC_NEXT_CHILD;
718: if ( ! mdoc_word_alloc(m, m->last->line,
719: m->last->pos, "file"))
720: return(0);
721: m->next = MDOC_NEXT_SIBLING;
722: if ( ! mdoc_word_alloc(m, m->last->line,
723: m->last->pos, "..."))
724: return(0);
725:
726: m->last = n;
727: m->next = MDOC_NEXT_SIBLING;
728: return(1);
729: }
730:
731:
732: static int
733: post_dd(POST_ARGS)
734: {
735: char buf[64];
736:
737: buf[0] = 0;
738: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
739: return(0);
740:
741: if (0 == (m->meta.date = mdoc_atotime(buf))) {
742: if ( ! vwarn(m, WBADDATE))
743: return(0);
744: m->meta.date = time(NULL);
745: }
746:
747: return(post_prol(m));
748: }
749:
750:
751: static int
752: post_prol(POST_ARGS)
753: {
754: struct mdoc_node *n;
755:
756: /*
757: * The end document shouldn't have the prologue macros as part
758: * of the syntax tree (they encompass only meta-data).
759: */
760:
761: if (m->last->parent->child == m->last)
762: m->last->parent->child = m->last->prev;
763: if (m->last->prev)
764: m->last->prev->next = NULL;
765:
766: n = m->last;
767: assert(NULL == m->last->next);
768:
769: if (m->last->prev) {
770: m->last = m->last->prev;
771: m->next = MDOC_NEXT_SIBLING;
772: } else {
773: m->last = m->last->parent;
774: m->next = MDOC_NEXT_CHILD;
775: }
776:
777: mdoc_node_freelist(n);
778: return(1);
779: }
780:
781:
782: static int
783: pre_dl(PRE_ARGS)
784: {
785:
1.7 schwarze 786: if (MDOC_BODY == n->type)
787: m->flags |= MDOC_LITERAL;
1.1 kristaps 788: return(1);
789: }
790:
791:
792: static int
793: pre_bd(PRE_ARGS)
794: {
795: int i;
796:
797: if (MDOC_BODY != n->type)
798: return(1);
799:
800: /* Enter literal context if `Bd -literal' or * -unfilled'. */
801:
802: for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
803: if (MDOC_Literal == n->args->argv[i].arg)
804: break;
805: else if (MDOC_Unfilled == n->args->argv[i].arg)
806: break;
807:
808: if (i < (int)n->args->argc)
809: m->flags |= MDOC_LITERAL;
810:
811: return(1);
812: }
813:
814:
815: static int
816: post_display(POST_ARGS)
817: {
818:
819: if (MDOC_BODY == m->last->type)
820: m->flags &= ~MDOC_LITERAL;
821: return(1);
822: }
823:
824:
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