Annotation of mandoc/mdoc_action.c, Revision 1.22
1.22 ! kristaps 1: /* $Id: mdoc_action.c,v 1.21 2009/07/06 09:21:24 kristaps Exp $ */
1.1 kristaps 2: /*
1.9 kristaps 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
1.8 kristaps 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: *
1.8 kristaps 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:
1.2 kristaps 27: enum merr {
1.22 ! kristaps 28: EBADDATE,
! 29: ENOWIDTH,
! 30: EBADSEC,
1.2 kristaps 31: ETOOLONG,
32: EMALLOC,
1.20 kristaps 33: EUTSNAME,
1.2 kristaps 34: ENUMFMT
35: };
36:
1.1 kristaps 37: #define PRE_ARGS struct mdoc *m, const struct mdoc_node *n
38: #define POST_ARGS struct mdoc *m
39:
40: struct actions {
41: int (*pre)(PRE_ARGS);
42: int (*post)(POST_ARGS);
43: };
44:
1.22 ! kristaps 45: static int perr(struct mdoc *, int, int, enum merr, int);
1.2 kristaps 46: static int concat(struct mdoc *, const struct mdoc_node *,
47: char *, size_t);
1.1 kristaps 48:
49: static int post_ar(POST_ARGS);
50: static int post_bl(POST_ARGS);
1.14 kristaps 51: static int post_bl_head(POST_ARGS);
1.1 kristaps 52: static int post_bl_width(POST_ARGS);
53: static int post_bl_tagwidth(POST_ARGS);
54: static int post_dd(POST_ARGS);
55: static int post_display(POST_ARGS);
56: static int post_dt(POST_ARGS);
1.10 kristaps 57: static int post_lk(POST_ARGS);
1.1 kristaps 58: static int post_nm(POST_ARGS);
59: static int post_os(POST_ARGS);
60: static int post_prol(POST_ARGS);
61: static int post_sh(POST_ARGS);
62: static int post_std(POST_ARGS);
63:
64: static int pre_bd(PRE_ARGS);
65: static int pre_dl(PRE_ARGS);
66:
1.22 ! kristaps 67: #define vwarn(m, t) perr((m), (m)->last->line, (m)->last->pos, (t), 0)
! 68: #define verr(m, t) perr((m), (m)->last->line, (m)->last->pos, (t), 1)
! 69: #define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t), 1)
1.1 kristaps 70:
71: const struct actions mdoc_actions[MDOC_MAX] = {
1.12 kristaps 72: { NULL, NULL }, /* Ap */
1.1 kristaps 73: { NULL, post_dd }, /* Dd */
74: { NULL, post_dt }, /* Dt */
75: { NULL, post_os }, /* Os */
76: { NULL, post_sh }, /* Sh */
77: { NULL, NULL }, /* Ss */
78: { NULL, NULL }, /* Pp */
79: { NULL, NULL }, /* D1 */
80: { pre_dl, post_display }, /* Dl */
81: { pre_bd, post_display }, /* Bd */
82: { NULL, NULL }, /* Ed */
83: { NULL, post_bl }, /* Bl */
84: { NULL, NULL }, /* El */
85: { NULL, NULL }, /* It */
86: { NULL, NULL }, /* Ad */
87: { NULL, NULL }, /* An */
88: { NULL, post_ar }, /* Ar */
1.19 kristaps 89: { NULL, NULL }, /* Cd */ /* FIXME: tabs are accepted! */
1.1 kristaps 90: { NULL, NULL }, /* Cm */
91: { NULL, NULL }, /* Dv */
92: { NULL, NULL }, /* Er */
93: { NULL, NULL }, /* Ev */
94: { NULL, post_std }, /* Ex */
95: { NULL, NULL }, /* Fa */
96: { NULL, NULL }, /* Fd */
97: { NULL, NULL }, /* Fl */
98: { NULL, NULL }, /* Fn */
99: { NULL, NULL }, /* Ft */
100: { NULL, NULL }, /* Ic */
101: { NULL, NULL }, /* In */
102: { NULL, NULL }, /* Li */
103: { NULL, NULL }, /* Nd */
104: { NULL, post_nm }, /* Nm */
105: { NULL, NULL }, /* Op */
106: { NULL, NULL }, /* Ot */
107: { NULL, NULL }, /* Pa */
108: { NULL, post_std }, /* Rv */
109: { NULL, NULL }, /* St */
110: { NULL, NULL }, /* Va */
111: { NULL, NULL }, /* Vt */
112: { NULL, NULL }, /* Xr */
113: { NULL, NULL }, /* %A */
114: { NULL, NULL }, /* %B */
115: { NULL, NULL }, /* %D */
116: { NULL, NULL }, /* %I */
117: { NULL, NULL }, /* %J */
118: { NULL, NULL }, /* %N */
119: { NULL, NULL }, /* %O */
120: { NULL, NULL }, /* %P */
121: { NULL, NULL }, /* %R */
122: { NULL, NULL }, /* %T */
123: { NULL, NULL }, /* %V */
124: { NULL, NULL }, /* Ac */
125: { NULL, NULL }, /* Ao */
126: { NULL, NULL }, /* Aq */
127: { NULL, NULL }, /* At */
128: { NULL, NULL }, /* Bc */
129: { NULL, NULL }, /* Bf */
130: { NULL, NULL }, /* Bo */
131: { NULL, NULL }, /* Bq */
132: { NULL, NULL }, /* Bsx */
133: { NULL, NULL }, /* Bx */
134: { NULL, NULL }, /* Db */
135: { NULL, NULL }, /* Dc */
136: { NULL, NULL }, /* Do */
137: { NULL, NULL }, /* Dq */
138: { NULL, NULL }, /* Ec */
139: { NULL, NULL }, /* Ef */
140: { NULL, NULL }, /* Em */
141: { NULL, NULL }, /* Eo */
142: { NULL, NULL }, /* Fx */
143: { NULL, NULL }, /* Ms */
144: { NULL, NULL }, /* No */
145: { NULL, NULL }, /* Ns */
146: { NULL, NULL }, /* Nx */
147: { NULL, NULL }, /* Ox */
148: { NULL, NULL }, /* Pc */
149: { NULL, NULL }, /* Pf */
150: { NULL, NULL }, /* Po */
151: { NULL, NULL }, /* Pq */
152: { NULL, NULL }, /* Qc */
153: { NULL, NULL }, /* Ql */
154: { NULL, NULL }, /* Qo */
155: { NULL, NULL }, /* Qq */
156: { NULL, NULL }, /* Re */
157: { NULL, NULL }, /* Rs */
158: { NULL, NULL }, /* Sc */
159: { NULL, NULL }, /* So */
160: { NULL, NULL }, /* Sq */
161: { NULL, NULL }, /* Sm */
162: { NULL, NULL }, /* Sx */
163: { NULL, NULL }, /* Sy */
164: { NULL, NULL }, /* Tn */
165: { NULL, NULL }, /* Ux */
166: { NULL, NULL }, /* Xc */
167: { NULL, NULL }, /* Xo */
168: { NULL, NULL }, /* Fo */
169: { NULL, NULL }, /* Fc */
170: { NULL, NULL }, /* Oo */
171: { NULL, NULL }, /* Oc */
172: { NULL, NULL }, /* Bk */
173: { NULL, NULL }, /* Ek */
174: { NULL, NULL }, /* Bt */
175: { NULL, NULL }, /* Hf */
176: { NULL, NULL }, /* Fr */
177: { NULL, NULL }, /* Ud */
178: { NULL, NULL }, /* Lb */
179: { NULL, NULL }, /* Lp */
1.10 kristaps 180: { NULL, post_lk }, /* Lk */
1.1 kristaps 181: { NULL, NULL }, /* Mt */
182: { NULL, NULL }, /* Brq */
183: { NULL, NULL }, /* Bro */
184: { NULL, NULL }, /* Brc */
185: { NULL, NULL }, /* %C */
186: { NULL, NULL }, /* Es */
187: { NULL, NULL }, /* En */
188: { NULL, NULL }, /* Dx */
189: { NULL, NULL }, /* %Q */
190: };
191:
192:
1.2 kristaps 193: #ifdef __linux__
194: extern size_t strlcat(char *, const char *, size_t);
195: #endif
196:
197:
1.1 kristaps 198: int
199: mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
200: {
201:
202: switch (n->type) {
203: case (MDOC_ROOT):
1.2 kristaps 204: /* FALLTHROUGH */
1.1 kristaps 205: case (MDOC_TEXT):
1.2 kristaps 206: return(1);
207: default:
1.1 kristaps 208: break;
209: }
1.2 kristaps 210:
1.6 kristaps 211: if (NULL == mdoc_actions[n->tok].pre)
1.2 kristaps 212: return(1);
1.6 kristaps 213: return((*mdoc_actions[n->tok].pre)(m, n));
1.1 kristaps 214: }
215:
216:
217: int
218: mdoc_action_post(struct mdoc *m)
219: {
220:
221: if (MDOC_ACTED & m->last->flags)
222: return(1);
223: m->last->flags |= MDOC_ACTED;
224:
225: switch (m->last->type) {
226: case (MDOC_TEXT):
1.2 kristaps 227: /* FALLTHROUGH */
1.1 kristaps 228: case (MDOC_ROOT):
1.2 kristaps 229: return(1);
230: default:
1.1 kristaps 231: break;
232: }
1.2 kristaps 233:
234: if (NULL == mdoc_actions[m->last->tok].post)
235: return(1);
236: return((*mdoc_actions[m->last->tok].post)(m));
237: }
238:
239:
240: static int
241: concat(struct mdoc *m, const struct mdoc_node *n,
242: char *buf, size_t sz)
243: {
244:
245: for ( ; n; n = n->next) {
246: assert(MDOC_TEXT == n->type);
247: if (strlcat(buf, n->string, sz) >= sz)
248: return(nerr(m, n, ETOOLONG));
249: if (NULL == n->next)
250: continue;
251: if (strlcat(buf, " ", sz) >= sz)
252: return(nerr(m, n, ETOOLONG));
253: }
254:
1.1 kristaps 255: return(1);
256: }
257:
258:
259: static int
1.22 ! kristaps 260: perr(struct mdoc *m, int line, int pos, enum merr type, int iserr)
1.2 kristaps 261: {
262: char *p;
263:
264: p = NULL;
1.22 ! kristaps 265:
1.2 kristaps 266: switch (type) {
267: case (ENUMFMT):
268: p = "bad number format";
269: break;
270: case (ETOOLONG):
271: p = "argument text too long";
272: break;
1.20 kristaps 273: case (EUTSNAME):
274: p = "utsname";
275: break;
1.2 kristaps 276: case (EMALLOC):
277: p = "memory exhausted";
278: break;
1.22 ! kristaps 279: case (EBADSEC):
1.1 kristaps 280: p = "inappropriate document section in manual section";
281: break;
1.22 ! kristaps 282: case (ENOWIDTH):
1.1 kristaps 283: p = "cannot determine default width";
284: break;
1.22 ! kristaps 285: case (EBADDATE):
1.1 kristaps 286: p = "malformed date syntax";
287: break;
288: }
1.21 kristaps 289:
1.1 kristaps 290: assert(p);
1.22 ! kristaps 291: if (iserr)
! 292: return(mdoc_perr(m, line, pos, p));
! 293:
1.21 kristaps 294: return(mdoc_pwarn(m, line, pos, p));
1.1 kristaps 295: }
296:
297:
298: static int
299: post_std(POST_ARGS)
300: {
301:
302: /*
303: * If '-std' is invoked without an argument, fill it in with our
304: * name (if it's been set).
305: */
306:
307: if (NULL == m->last->args)
308: return(1);
309: if (m->last->args->argv[0].sz)
310: return(1);
311:
312: assert(m->meta.name);
313:
314: m->last->args->argv[0].value = calloc(1, sizeof(char *));
315: if (NULL == m->last->args->argv[0].value)
1.2 kristaps 316: return(verr(m, EMALLOC));
1.1 kristaps 317:
318: m->last->args->argv[0].sz = 1;
1.2 kristaps 319: m->last->args->argv[0].value[0] = strdup(m->meta.name);
320: if (NULL == m->last->args->argv[0].value[0])
321: return(verr(m, EMALLOC));
322:
1.1 kristaps 323: return(1);
324: }
325:
326:
327: static int
328: post_nm(POST_ARGS)
329: {
330: char buf[64];
331:
332: if (m->meta.name)
333: return(1);
1.5 kristaps 334:
335: buf[0] = 0;
1.2 kristaps 336: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
337: return(0);
1.6 kristaps 338:
1.2 kristaps 339: if (NULL == (m->meta.name = strdup(buf)))
340: return(verr(m, EMALLOC));
1.1 kristaps 341:
342: return(1);
343: }
344:
345:
346: static int
347: post_sh(POST_ARGS)
348: {
349: enum mdoc_sec sec;
350: char buf[64];
351:
352: /*
353: * We keep track of the current section /and/ the "named"
354: * section, which is one of the conventional ones, in order to
355: * check ordering.
356: */
357:
358: if (MDOC_HEAD != m->last->type)
359: return(1);
1.5 kristaps 360:
361: buf[0] = 0;
1.2 kristaps 362: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
363: return(0);
1.1 kristaps 364: if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
365: m->lastnamed = sec;
366:
367: switch ((m->lastsec = sec)) {
368: case (SEC_RETURN_VALUES):
369: /* FALLTHROUGH */
370: case (SEC_ERRORS):
371: switch (m->meta.msec) {
372: case (2):
373: /* FALLTHROUGH */
374: case (3):
375: /* FALLTHROUGH */
376: case (9):
377: break;
378: default:
1.22 ! kristaps 379: return(vwarn(m, EBADSEC));
1.1 kristaps 380: }
381: break;
382: default:
383: break;
384: }
385: return(1);
386: }
387:
388:
389: static int
390: post_dt(POST_ARGS)
391: {
392: struct mdoc_node *n;
393: const char *cp;
394: char *ep;
395: long lval;
396:
397: if (m->meta.title)
398: free(m->meta.title);
399: if (m->meta.vol)
400: free(m->meta.vol);
401: if (m->meta.arch)
402: free(m->meta.arch);
403:
404: m->meta.title = m->meta.vol = m->meta.arch = NULL;
405: m->meta.msec = 0;
406:
407: /* Handles: `.Dt'
408: * --> title = unknown, volume = local, msec = 0, arch = NULL
409: */
410:
411: if (NULL == (n = m->last->child)) {
1.2 kristaps 412: if (NULL == (m->meta.title = strdup("unknown")))
413: return(verr(m, EMALLOC));
414: if (NULL == (m->meta.vol = strdup("local")))
415: return(verr(m, EMALLOC));
1.1 kristaps 416: return(post_prol(m));
417: }
418:
419: /* Handles: `.Dt TITLE'
420: * --> title = TITLE, volume = local, msec = 0, arch = NULL
421: */
422:
1.2 kristaps 423: if (NULL == (m->meta.title = strdup(n->string)))
424: return(verr(m, EMALLOC));
1.1 kristaps 425:
426: if (NULL == (n = n->next)) {
1.2 kristaps 427: if (NULL == (m->meta.vol = strdup("local")))
428: return(verr(m, EMALLOC));
1.1 kristaps 429: return(post_prol(m));
430: }
431:
432: /* Handles: `.Dt TITLE SEC'
433: * --> title = TITLE, volume = SEC is msec ?
434: * format(msec) : SEC,
435: * msec = SEC is msec ? atoi(msec) : 0,
436: * arch = NULL
437: */
438:
439: cp = mdoc_a2msec(n->string);
440: if (cp) {
1.2 kristaps 441: if (NULL == (m->meta.vol = strdup(cp)))
442: return(verr(m, EMALLOC));
1.1 kristaps 443: errno = 0;
444: lval = strtol(n->string, &ep, 10);
445: if (n->string[0] != '\0' && *ep == '\0')
446: m->meta.msec = (int)lval;
1.2 kristaps 447: } else if (NULL == (m->meta.vol = strdup(n->string)))
448: return(verr(m, EMALLOC));
1.1 kristaps 449:
450: if (NULL == (n = n->next))
451: return(post_prol(m));
452:
453: /* Handles: `.Dt TITLE SEC VOL'
454: * --> title = TITLE, volume = VOL is vol ?
455: * format(VOL) :
456: * VOL is arch ? format(arch) :
457: * VOL
458: */
459:
460: cp = mdoc_a2vol(n->string);
461: if (cp) {
462: free(m->meta.vol);
1.2 kristaps 463: if (NULL == (m->meta.vol = strdup(cp)))
464: return(verr(m, EMALLOC));
1.1 kristaps 465: n = n->next;
466: } else {
467: cp = mdoc_a2arch(n->string);
468: if (NULL == cp) {
469: free(m->meta.vol);
1.2 kristaps 470: if (NULL == (m->meta.vol = strdup(n->string)))
471: return(verr(m, EMALLOC));
472: } else if (NULL == (m->meta.arch = strdup(cp)))
473: return(verr(m, EMALLOC));
1.1 kristaps 474: }
475:
476: /* Ignore any subsequent parameters... */
477:
478: return(post_prol(m));
479: }
480:
481:
482: static int
483: post_os(POST_ARGS)
484: {
485: char buf[64];
486: struct utsname utsname;
487:
488: if (m->meta.os)
489: free(m->meta.os);
1.4 kristaps 490:
491: buf[0] = 0;
1.2 kristaps 492: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
493: return(0);
1.1 kristaps 494:
495: if (0 == buf[0]) {
496: if (-1 == uname(&utsname))
1.20 kristaps 497: return(verr(m, EUTSNAME));
1.4 kristaps 498: if (strlcat(buf, utsname.sysname, 64) >= 64)
1.2 kristaps 499: return(verr(m, ETOOLONG));
500: if (strlcat(buf, " ", 64) >= 64)
501: return(verr(m, ETOOLONG));
502: if (strlcat(buf, utsname.release, 64) >= 64)
503: return(verr(m, ETOOLONG));
1.1 kristaps 504: }
505:
1.2 kristaps 506: if (NULL == (m->meta.os = strdup(buf)))
507: return(verr(m, EMALLOC));
1.1 kristaps 508:
1.13 kristaps 509: m->flags |= MDOC_PBODY;
1.1 kristaps 510: return(post_prol(m));
511: }
512:
513:
514: /*
515: * Calculate the -width for a `Bl -tag' list if it hasn't been provided.
516: * Uses the first head macro.
517: */
518: static int
519: post_bl_tagwidth(struct mdoc *m)
520: {
521: struct mdoc_node *n;
522: int sz;
523: char buf[32];
524:
525: /*
526: * Use the text width, if a text node, or the default macro
527: * width if a macro.
528: */
529:
1.11 kristaps 530: n = m->last->body->child;
531: if (n) {
1.1 kristaps 532: assert(MDOC_BLOCK == n->type);
533: assert(MDOC_It == n->tok);
534: n = n->head->child;
535: }
536:
537: sz = 10; /* Default size. */
538:
539: if (n) {
540: if (MDOC_TEXT != n->type) {
541: if (0 == (sz = (int)mdoc_macro2len(n->tok)))
1.22 ! kristaps 542: if ( ! vwarn(m, ENOWIDTH))
1.1 kristaps 543: return(0);
544: } else
545: sz = (int)strlen(n->string) + 1;
546: }
547:
1.2 kristaps 548: if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
549: return(verr(m, ENUMFMT));
1.1 kristaps 550:
551: /*
552: * We have to dynamically add this to the macro's argument list.
553: * We're guaranteed that a MDOC_Width doesn't already exist.
554: */
555:
556: n = m->last;
557: assert(n->args);
1.2 kristaps 558: sz = (int)(n->args->argc)++;
1.1 kristaps 559:
1.2 kristaps 560: n->args->argv = realloc(n->args->argv,
1.1 kristaps 561: n->args->argc * sizeof(struct mdoc_argv));
562:
1.2 kristaps 563: if (NULL == n->args->argv)
564: return(verr(m, EMALLOC));
565:
1.1 kristaps 566: n->args->argv[sz].arg = MDOC_Width;
567: n->args->argv[sz].line = m->last->line;
568: n->args->argv[sz].pos = m->last->pos;
569: n->args->argv[sz].sz = 1;
570: n->args->argv[sz].value = calloc(1, sizeof(char *));
1.2 kristaps 571:
1.1 kristaps 572: if (NULL == n->args->argv[sz].value)
1.2 kristaps 573: return(verr(m, EMALLOC));
574: if (NULL == (n->args->argv[sz].value[0] = strdup(buf)))
575: return(verr(m, EMALLOC));
1.1 kristaps 576:
577: return(1);
578: }
579:
580:
581: static int
582: post_bl_width(struct mdoc *m)
583: {
584: size_t width;
585: int i, tok;
586: char buf[32];
587: char *p;
588:
589: if (NULL == m->last->args)
590: return(1);
591:
592: for (i = 0; i < (int)m->last->args->argc; i++)
593: if (MDOC_Width == m->last->args->argv[i].arg)
594: break;
595:
596: if (i == (int)m->last->args->argc)
597: return(1);
598: p = m->last->args->argv[i].value[0];
599:
600: /*
601: * If the value to -width is a macro, then we re-write it to be
602: * the macro's width as set in share/tmac/mdoc/doc-common.
603: */
604:
1.2 kristaps 605: if (0 == strcmp(p, "Ds"))
1.18 kristaps 606: width = 6;
1.3 kristaps 607: else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p)))
1.1 kristaps 608: return(1);
609: else if (0 == (width = mdoc_macro2len(tok)))
1.22 ! kristaps 610: return(vwarn(m, ENOWIDTH));
1.1 kristaps 611:
612: /* The value already exists: free and reallocate it. */
613:
1.2 kristaps 614: if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
615: return(verr(m, ENUMFMT));
1.1 kristaps 616:
617: free(m->last->args->argv[i].value[0]);
1.2 kristaps 618: m->last->args->argv[i].value[0] = strdup(buf);
619: if (NULL == m->last->args->argv[i].value[0])
620: return(verr(m, EMALLOC));
1.1 kristaps 621:
622: return(1);
623: }
624:
625:
626: static int
1.14 kristaps 627: post_bl_head(POST_ARGS)
628: {
629: int i, c;
630: struct mdoc_node *n, *nn, *nnp;
631:
632: if (NULL == m->last->child)
633: return(1);
634:
635: n = m->last->parent;
636: assert(n->args);
637:
638: for (c = 0; c < (int)n->args->argc; c++)
639: if (MDOC_Column == n->args->argv[c].arg)
640: break;
641:
642: /* Only process -column. */
643:
644: if (c == (int)n->args->argc)
645: return(1);
646:
647: assert(0 == n->args->argv[c].sz);
648:
649: /*
650: * Accomodate for new-style groff column syntax. Shuffle the
651: * child nodes, all of which must be TEXT, as arguments for the
652: * column field. Then, delete the head children.
653: */
654:
1.17 kristaps 655: n->args->argv[c].sz = (size_t)m->last->nchild;
656: n->args->argv[c].value = malloc
657: ((size_t)m->last->nchild * sizeof(char *));
1.14 kristaps 658:
659: for (i = 0, nn = m->last->child; nn; i++) {
660: n->args->argv[c].value[i] = nn->string;
661: nn->string = NULL;
662: nnp = nn;
663: nn = nn->next;
664: mdoc_node_free(nnp);
665: }
666:
1.17 kristaps 667: m->last->nchild = 0;
1.14 kristaps 668: m->last->child = NULL;
1.17 kristaps 669:
1.14 kristaps 670: return(1);
671: }
672:
673:
674: static int
1.1 kristaps 675: post_bl(POST_ARGS)
676: {
677: int i, r, len;
678:
1.14 kristaps 679: if (MDOC_HEAD == m->last->type)
680: return(post_bl_head(m));
1.1 kristaps 681: if (MDOC_BLOCK != m->last->type)
682: return(1);
683:
684: /*
685: * These are fairly complicated, so we've broken them into two
686: * functions. post_bl_tagwidth() is called when a -tag is
687: * specified, but no -width (it must be guessed). The second
688: * when a -width is specified (macro indicators must be
689: * rewritten into real lengths).
690: */
691:
692: len = (int)(m->last->args ? m->last->args->argc : 0);
693:
694: for (r = i = 0; i < len; i++) {
695: if (MDOC_Tag == m->last->args->argv[i].arg)
696: r |= 1 << 0;
697: if (MDOC_Width == m->last->args->argv[i].arg)
698: r |= 1 << 1;
699: }
700:
701: if (r & (1 << 0) && ! (r & (1 << 1))) {
702: if ( ! post_bl_tagwidth(m))
703: return(0);
704: } else if (r & (1 << 1))
705: if ( ! post_bl_width(m))
706: return(0);
707:
708: return(1);
709: }
710:
711:
712: static int
1.10 kristaps 713: post_lk(POST_ARGS)
714: {
715: struct mdoc_node *n;
716:
717: if (m->last->child)
718: return(1);
719:
720: n = m->last;
721: m->next = MDOC_NEXT_CHILD;
722: /* FIXME: this isn't documented anywhere! */
723: if ( ! mdoc_word_alloc(m, m->last->line,
724: m->last->pos, "~"))
725: return(0);
726:
727: m->last = n;
728: m->next = MDOC_NEXT_SIBLING;
729: return(1);
730: }
731:
732:
733: static int
1.1 kristaps 734: post_ar(POST_ARGS)
735: {
736: struct mdoc_node *n;
737:
738: if (m->last->child)
739: return(1);
740:
741: n = m->last;
742: m->next = MDOC_NEXT_CHILD;
743: if ( ! mdoc_word_alloc(m, m->last->line,
744: m->last->pos, "file"))
745: return(0);
746: m->next = MDOC_NEXT_SIBLING;
747: if ( ! mdoc_word_alloc(m, m->last->line,
748: m->last->pos, "..."))
749: return(0);
750:
751: m->last = n;
752: m->next = MDOC_NEXT_SIBLING;
753: return(1);
754: }
755:
756:
757: static int
758: post_dd(POST_ARGS)
759: {
760: char buf[64];
761:
1.5 kristaps 762: buf[0] = 0;
1.2 kristaps 763: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
764: return(0);
1.1 kristaps 765:
766: if (0 == (m->meta.date = mdoc_atotime(buf))) {
1.22 ! kristaps 767: if ( ! vwarn(m, EBADDATE))
1.1 kristaps 768: return(0);
769: m->meta.date = time(NULL);
770: }
771:
772: return(post_prol(m));
773: }
774:
775:
776: static int
777: post_prol(POST_ARGS)
778: {
779: struct mdoc_node *n;
780:
781: /*
782: * The end document shouldn't have the prologue macros as part
783: * of the syntax tree (they encompass only meta-data).
784: */
785:
786: if (m->last->parent->child == m->last)
787: m->last->parent->child = m->last->prev;
788: if (m->last->prev)
789: m->last->prev->next = NULL;
790:
791: n = m->last;
792: assert(NULL == m->last->next);
793:
794: if (m->last->prev) {
795: m->last = m->last->prev;
796: m->next = MDOC_NEXT_SIBLING;
797: } else {
798: m->last = m->last->parent;
799: m->next = MDOC_NEXT_CHILD;
800: }
801:
802: mdoc_node_freelist(n);
803: return(1);
804: }
805:
806:
807: static int
808: pre_dl(PRE_ARGS)
809: {
810:
1.16 kristaps 811: if (MDOC_BODY == n->type)
812: m->flags |= MDOC_LITERAL;
1.1 kristaps 813: return(1);
814: }
815:
816:
817: static int
818: pre_bd(PRE_ARGS)
819: {
820: int i;
821:
822: if (MDOC_BODY != n->type)
823: return(1);
824:
1.2 kristaps 825: /* Enter literal context if `Bd -literal' or * -unfilled'. */
1.1 kristaps 826:
1.2 kristaps 827: for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
1.1 kristaps 828: if (MDOC_Literal == n->args->argv[i].arg)
829: break;
830: else if (MDOC_Unfilled == n->args->argv[i].arg)
831: break;
832:
833: if (i < (int)n->args->argc)
834: m->flags |= MDOC_LITERAL;
835:
836: return(1);
837: }
838:
839:
840: static int
841: post_display(POST_ARGS)
842: {
843:
844: if (MDOC_BODY == m->last->type)
845: m->flags &= ~MDOC_LITERAL;
846: return(1);
847: }
848:
849:
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