Annotation of mandoc/mdoc_action.c, Revision 1.5
1.5 ! kristaps 1: /* $Id: mdoc_action.c,v 1.4 2009/04/02 16:37:40 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:
215: if (NULL == mdoc_actions[m->last->tok].pre)
216: return(1);
217: return((*mdoc_actions[m->last->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);
350: if (NULL == (m->meta.name = strdup(buf)))
351: return(verr(m, EMALLOC));
1.1 kristaps 352:
353: return(1);
354: }
355:
356:
357: static int
358: post_sh(POST_ARGS)
359: {
360: enum mdoc_sec sec;
361: char buf[64];
362:
363: /*
364: * We keep track of the current section /and/ the "named"
365: * section, which is one of the conventional ones, in order to
366: * check ordering.
367: */
368:
369: if (MDOC_HEAD != m->last->type)
370: return(1);
1.5 ! kristaps 371:
! 372: buf[0] = 0;
1.2 kristaps 373: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
374: return(0);
1.1 kristaps 375: if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
376: m->lastnamed = sec;
377:
378: switch ((m->lastsec = sec)) {
379: case (SEC_RETURN_VALUES):
380: /* FALLTHROUGH */
381: case (SEC_ERRORS):
382: switch (m->meta.msec) {
383: case (2):
384: /* FALLTHROUGH */
385: case (3):
386: /* FALLTHROUGH */
387: case (9):
388: break;
389: default:
1.2 kristaps 390: return(vwarn(m, WBADSEC));
1.1 kristaps 391: }
392: break;
393: default:
394: break;
395: }
396: return(1);
397: }
398:
399:
400: static int
401: post_dt(POST_ARGS)
402: {
403: struct mdoc_node *n;
404: const char *cp;
405: char *ep;
406: long lval;
407:
408: if (m->meta.title)
409: free(m->meta.title);
410: if (m->meta.vol)
411: free(m->meta.vol);
412: if (m->meta.arch)
413: free(m->meta.arch);
414:
415: m->meta.title = m->meta.vol = m->meta.arch = NULL;
416: m->meta.msec = 0;
417:
418: /* Handles: `.Dt'
419: * --> title = unknown, volume = local, msec = 0, arch = NULL
420: */
421:
422: if (NULL == (n = m->last->child)) {
1.2 kristaps 423: if (NULL == (m->meta.title = strdup("unknown")))
424: return(verr(m, EMALLOC));
425: if (NULL == (m->meta.vol = strdup("local")))
426: return(verr(m, EMALLOC));
1.1 kristaps 427: return(post_prol(m));
428: }
429:
430: /* Handles: `.Dt TITLE'
431: * --> title = TITLE, volume = local, msec = 0, arch = NULL
432: */
433:
1.2 kristaps 434: if (NULL == (m->meta.title = strdup(n->string)))
435: return(verr(m, EMALLOC));
1.1 kristaps 436:
437: if (NULL == (n = n->next)) {
1.2 kristaps 438: if (NULL == (m->meta.vol = strdup("local")))
439: return(verr(m, EMALLOC));
1.1 kristaps 440: return(post_prol(m));
441: }
442:
443: /* Handles: `.Dt TITLE SEC'
444: * --> title = TITLE, volume = SEC is msec ?
445: * format(msec) : SEC,
446: * msec = SEC is msec ? atoi(msec) : 0,
447: * arch = NULL
448: */
449:
450: cp = mdoc_a2msec(n->string);
451: if (cp) {
1.2 kristaps 452: if (NULL == (m->meta.vol = strdup(cp)))
453: return(verr(m, EMALLOC));
1.1 kristaps 454: errno = 0;
455: lval = strtol(n->string, &ep, 10);
456: if (n->string[0] != '\0' && *ep == '\0')
457: m->meta.msec = (int)lval;
1.2 kristaps 458: } else if (NULL == (m->meta.vol = strdup(n->string)))
459: return(verr(m, EMALLOC));
1.1 kristaps 460:
461: if (NULL == (n = n->next))
462: return(post_prol(m));
463:
464: /* Handles: `.Dt TITLE SEC VOL'
465: * --> title = TITLE, volume = VOL is vol ?
466: * format(VOL) :
467: * VOL is arch ? format(arch) :
468: * VOL
469: */
470:
471: cp = mdoc_a2vol(n->string);
472: if (cp) {
473: free(m->meta.vol);
1.2 kristaps 474: if (NULL == (m->meta.vol = strdup(cp)))
475: return(verr(m, EMALLOC));
1.1 kristaps 476: n = n->next;
477: } else {
478: cp = mdoc_a2arch(n->string);
479: if (NULL == cp) {
480: free(m->meta.vol);
1.2 kristaps 481: if (NULL == (m->meta.vol = strdup(n->string)))
482: return(verr(m, EMALLOC));
483: } else if (NULL == (m->meta.arch = strdup(cp)))
484: return(verr(m, EMALLOC));
1.1 kristaps 485: }
486:
487: /* Ignore any subsequent parameters... */
488:
489: return(post_prol(m));
490: }
491:
492:
493: static int
494: post_os(POST_ARGS)
495: {
496: char buf[64];
497: struct utsname utsname;
498:
499: if (m->meta.os)
500: free(m->meta.os);
1.4 kristaps 501:
502: buf[0] = 0;
1.2 kristaps 503: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
504: return(0);
1.1 kristaps 505:
506: if (0 == buf[0]) {
507: if (-1 == uname(&utsname))
508: return(mdoc_err(m, "utsname"));
1.4 kristaps 509: if (strlcat(buf, utsname.sysname, 64) >= 64)
1.2 kristaps 510: return(verr(m, ETOOLONG));
511: if (strlcat(buf, " ", 64) >= 64)
512: return(verr(m, ETOOLONG));
513: if (strlcat(buf, utsname.release, 64) >= 64)
514: return(verr(m, ETOOLONG));
1.1 kristaps 515: }
516:
1.2 kristaps 517: if (NULL == (m->meta.os = strdup(buf)))
518: return(verr(m, EMALLOC));
1.1 kristaps 519: m->lastnamed = m->lastsec = SEC_BODY;
520:
521: return(post_prol(m));
522: }
523:
524:
525: /*
526: * Calculate the -width for a `Bl -tag' list if it hasn't been provided.
527: * Uses the first head macro.
528: */
529: static int
530: post_bl_tagwidth(struct mdoc *m)
531: {
532: struct mdoc_node *n;
533: int sz;
534: char buf[32];
535:
536: /*
537: * Use the text width, if a text node, or the default macro
538: * width if a macro.
539: */
540:
541: if ((n = m->last->body->child)) {
542: assert(MDOC_BLOCK == n->type);
543: assert(MDOC_It == n->tok);
544: n = n->head->child;
545: }
546:
547: sz = 10; /* Default size. */
548:
549: if (n) {
550: if (MDOC_TEXT != n->type) {
551: if (0 == (sz = (int)mdoc_macro2len(n->tok)))
1.2 kristaps 552: if ( ! vwarn(m, WNOWIDTH))
1.1 kristaps 553: return(0);
554: } else
555: sz = (int)strlen(n->string) + 1;
556: }
557:
1.2 kristaps 558: if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
559: return(verr(m, ENUMFMT));
1.1 kristaps 560:
561: /*
562: * We have to dynamically add this to the macro's argument list.
563: * We're guaranteed that a MDOC_Width doesn't already exist.
564: */
565:
566: n = m->last;
567: assert(n->args);
1.2 kristaps 568: sz = (int)(n->args->argc)++;
1.1 kristaps 569:
1.2 kristaps 570: n->args->argv = realloc(n->args->argv,
1.1 kristaps 571: n->args->argc * sizeof(struct mdoc_argv));
572:
1.2 kristaps 573: if (NULL == n->args->argv)
574: return(verr(m, EMALLOC));
575:
1.1 kristaps 576: n->args->argv[sz].arg = MDOC_Width;
577: n->args->argv[sz].line = m->last->line;
578: n->args->argv[sz].pos = m->last->pos;
579: n->args->argv[sz].sz = 1;
580: n->args->argv[sz].value = calloc(1, sizeof(char *));
1.2 kristaps 581:
1.1 kristaps 582: if (NULL == n->args->argv[sz].value)
1.2 kristaps 583: return(verr(m, EMALLOC));
584: if (NULL == (n->args->argv[sz].value[0] = strdup(buf)))
585: return(verr(m, EMALLOC));
1.1 kristaps 586:
587: return(1);
588: }
589:
590:
591: static int
592: post_bl_width(struct mdoc *m)
593: {
594: size_t width;
595: int i, tok;
596: char buf[32];
597: char *p;
598:
599: if (NULL == m->last->args)
600: return(1);
601:
602: for (i = 0; i < (int)m->last->args->argc; i++)
603: if (MDOC_Width == m->last->args->argv[i].arg)
604: break;
605:
606: if (i == (int)m->last->args->argc)
607: return(1);
608: p = m->last->args->argv[i].value[0];
609:
610: /*
611: * If the value to -width is a macro, then we re-write it to be
612: * the macro's width as set in share/tmac/mdoc/doc-common.
613: */
614:
1.2 kristaps 615: if (0 == strcmp(p, "Ds"))
1.1 kristaps 616: width = 8;
1.3 kristaps 617: else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p)))
1.1 kristaps 618: return(1);
619: else if (0 == (width = mdoc_macro2len(tok)))
1.2 kristaps 620: return(vwarn(m, WNOWIDTH));
1.1 kristaps 621:
622: /* The value already exists: free and reallocate it. */
623:
1.2 kristaps 624: if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
625: return(verr(m, ENUMFMT));
1.1 kristaps 626:
627: free(m->last->args->argv[i].value[0]);
1.2 kristaps 628: m->last->args->argv[i].value[0] = strdup(buf);
629: if (NULL == m->last->args->argv[i].value[0])
630: return(verr(m, EMALLOC));
1.1 kristaps 631:
632: return(1);
633: }
634:
635:
636: static int
637: post_bl(POST_ARGS)
638: {
639: int i, r, len;
640:
641: if (MDOC_BLOCK != m->last->type)
642: return(1);
643:
644: /*
645: * These are fairly complicated, so we've broken them into two
646: * functions. post_bl_tagwidth() is called when a -tag is
647: * specified, but no -width (it must be guessed). The second
648: * when a -width is specified (macro indicators must be
649: * rewritten into real lengths).
650: */
651:
652: len = (int)(m->last->args ? m->last->args->argc : 0);
653:
654: for (r = i = 0; i < len; i++) {
655: if (MDOC_Tag == m->last->args->argv[i].arg)
656: r |= 1 << 0;
657: if (MDOC_Width == m->last->args->argv[i].arg)
658: r |= 1 << 1;
659: }
660:
661: if (r & (1 << 0) && ! (r & (1 << 1))) {
662: if ( ! post_bl_tagwidth(m))
663: return(0);
664: } else if (r & (1 << 1))
665: if ( ! post_bl_width(m))
666: return(0);
667:
668: return(1);
669: }
670:
671:
672: static int
673: post_ar(POST_ARGS)
674: {
675: struct mdoc_node *n;
676:
677: if (m->last->child)
678: return(1);
679:
680: n = m->last;
681: m->next = MDOC_NEXT_CHILD;
682: if ( ! mdoc_word_alloc(m, m->last->line,
683: m->last->pos, "file"))
684: return(0);
685: m->next = MDOC_NEXT_SIBLING;
686: if ( ! mdoc_word_alloc(m, m->last->line,
687: m->last->pos, "..."))
688: return(0);
689:
690: m->last = n;
691: m->next = MDOC_NEXT_SIBLING;
692: return(1);
693: }
694:
695:
696: static int
697: post_dd(POST_ARGS)
698: {
699: char buf[64];
700:
1.5 ! kristaps 701: buf[0] = 0;
1.2 kristaps 702: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
703: return(0);
1.1 kristaps 704:
705: if (0 == (m->meta.date = mdoc_atotime(buf))) {
1.2 kristaps 706: if ( ! vwarn(m, WBADDATE))
1.1 kristaps 707: return(0);
708: m->meta.date = time(NULL);
709: }
710:
711: return(post_prol(m));
712: }
713:
714:
715: static int
716: post_prol(POST_ARGS)
717: {
718: struct mdoc_node *n;
719:
720: /*
721: * The end document shouldn't have the prologue macros as part
722: * of the syntax tree (they encompass only meta-data).
723: */
724:
725: if (m->last->parent->child == m->last)
726: m->last->parent->child = m->last->prev;
727: if (m->last->prev)
728: m->last->prev->next = NULL;
729:
730: n = m->last;
731: assert(NULL == m->last->next);
732:
733: if (m->last->prev) {
734: m->last = m->last->prev;
735: m->next = MDOC_NEXT_SIBLING;
736: } else {
737: m->last = m->last->parent;
738: m->next = MDOC_NEXT_CHILD;
739: }
740:
741: mdoc_node_freelist(n);
742: return(1);
743: }
744:
745:
746: static int
747: pre_dl(PRE_ARGS)
748: {
749:
750: if (MDOC_BODY != n->type)
751: return(1);
752: m->flags |= MDOC_LITERAL;
753: return(1);
754: }
755:
756:
757: static int
758: pre_bd(PRE_ARGS)
759: {
760: int i;
761:
762: if (MDOC_BODY != n->type)
763: return(1);
764:
1.2 kristaps 765: /* Enter literal context if `Bd -literal' or * -unfilled'. */
1.1 kristaps 766:
1.2 kristaps 767: for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
1.1 kristaps 768: if (MDOC_Literal == n->args->argv[i].arg)
769: break;
770: else if (MDOC_Unfilled == n->args->argv[i].arg)
771: break;
772:
773: if (i < (int)n->args->argc)
774: m->flags |= MDOC_LITERAL;
775:
776: return(1);
777: }
778:
779:
780: static int
781: post_display(POST_ARGS)
782: {
783:
784: if (MDOC_BODY == m->last->type)
785: m->flags &= ~MDOC_LITERAL;
786: return(1);
787: }
788:
789:
CVSweb
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to mdoc_action.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc