Annotation of mandoc/mdoc_action.c, Revision 1.25
1.25 ! kristaps 1: /* $Id: mdoc_action.c,v 1.24 2009/07/07 11:47:17 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:
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 post_ar(POST_ARGS);
1.25 ! kristaps 36: static int post_at(POST_ARGS);
1.1 kristaps 37: static int post_bl(POST_ARGS);
1.14 kristaps 38: static int post_bl_head(POST_ARGS);
1.25 ! kristaps 39: static int post_bl_tagwidth(POST_ARGS);
1.1 kristaps 40: static int post_bl_width(POST_ARGS);
41: static int post_dd(POST_ARGS);
42: static int post_display(POST_ARGS);
43: static int post_dt(POST_ARGS);
1.10 kristaps 44: static int post_lk(POST_ARGS);
1.1 kristaps 45: static int post_nm(POST_ARGS);
46: static int post_os(POST_ARGS);
47: static int post_prol(POST_ARGS);
48: static int post_sh(POST_ARGS);
49: static int post_std(POST_ARGS);
50:
51: static int pre_bd(PRE_ARGS);
52: static int pre_dl(PRE_ARGS);
53:
54: const struct actions mdoc_actions[MDOC_MAX] = {
1.12 kristaps 55: { NULL, NULL }, /* Ap */
1.1 kristaps 56: { NULL, post_dd }, /* Dd */
57: { NULL, post_dt }, /* Dt */
58: { NULL, post_os }, /* Os */
59: { NULL, post_sh }, /* Sh */
60: { NULL, NULL }, /* Ss */
61: { NULL, NULL }, /* Pp */
62: { NULL, NULL }, /* D1 */
63: { pre_dl, post_display }, /* Dl */
64: { pre_bd, post_display }, /* Bd */
65: { NULL, NULL }, /* Ed */
66: { NULL, post_bl }, /* Bl */
67: { NULL, NULL }, /* El */
68: { NULL, NULL }, /* It */
69: { NULL, NULL }, /* Ad */
70: { NULL, NULL }, /* An */
71: { NULL, post_ar }, /* Ar */
1.19 kristaps 72: { NULL, NULL }, /* Cd */ /* FIXME: tabs are accepted! */
1.1 kristaps 73: { NULL, NULL }, /* Cm */
74: { NULL, NULL }, /* Dv */
75: { NULL, NULL }, /* Er */
76: { NULL, NULL }, /* Ev */
77: { NULL, post_std }, /* Ex */
78: { NULL, NULL }, /* Fa */
79: { NULL, NULL }, /* Fd */
80: { NULL, NULL }, /* Fl */
81: { NULL, NULL }, /* Fn */
82: { NULL, NULL }, /* Ft */
83: { NULL, NULL }, /* Ic */
84: { NULL, NULL }, /* In */
85: { NULL, NULL }, /* Li */
86: { NULL, NULL }, /* Nd */
87: { NULL, post_nm }, /* Nm */
88: { NULL, NULL }, /* Op */
89: { NULL, NULL }, /* Ot */
90: { NULL, NULL }, /* Pa */
91: { NULL, post_std }, /* Rv */
92: { NULL, NULL }, /* St */
93: { NULL, NULL }, /* Va */
94: { NULL, NULL }, /* Vt */
95: { NULL, NULL }, /* Xr */
96: { NULL, NULL }, /* %A */
97: { NULL, NULL }, /* %B */
98: { NULL, NULL }, /* %D */
99: { NULL, NULL }, /* %I */
100: { NULL, NULL }, /* %J */
101: { NULL, NULL }, /* %N */
102: { NULL, NULL }, /* %O */
103: { NULL, NULL }, /* %P */
104: { NULL, NULL }, /* %R */
105: { NULL, NULL }, /* %T */
106: { NULL, NULL }, /* %V */
107: { NULL, NULL }, /* Ac */
108: { NULL, NULL }, /* Ao */
109: { NULL, NULL }, /* Aq */
1.25 ! kristaps 110: { NULL, post_at }, /* At */
1.1 kristaps 111: { NULL, NULL }, /* Bc */
112: { NULL, NULL }, /* Bf */
113: { NULL, NULL }, /* Bo */
114: { NULL, NULL }, /* Bq */
115: { NULL, NULL }, /* Bsx */
116: { NULL, NULL }, /* Bx */
117: { NULL, NULL }, /* Db */
118: { NULL, NULL }, /* Dc */
119: { NULL, NULL }, /* Do */
120: { NULL, NULL }, /* Dq */
121: { NULL, NULL }, /* Ec */
122: { NULL, NULL }, /* Ef */
123: { NULL, NULL }, /* Em */
124: { NULL, NULL }, /* Eo */
125: { NULL, NULL }, /* Fx */
126: { NULL, NULL }, /* Ms */
127: { NULL, NULL }, /* No */
128: { NULL, NULL }, /* Ns */
129: { NULL, NULL }, /* Nx */
130: { NULL, NULL }, /* Ox */
131: { NULL, NULL }, /* Pc */
132: { NULL, NULL }, /* Pf */
133: { NULL, NULL }, /* Po */
134: { NULL, NULL }, /* Pq */
135: { NULL, NULL }, /* Qc */
136: { NULL, NULL }, /* Ql */
137: { NULL, NULL }, /* Qo */
138: { NULL, NULL }, /* Qq */
139: { NULL, NULL }, /* Re */
140: { NULL, NULL }, /* Rs */
141: { NULL, NULL }, /* Sc */
142: { NULL, NULL }, /* So */
143: { NULL, NULL }, /* Sq */
144: { NULL, NULL }, /* Sm */
145: { NULL, NULL }, /* Sx */
146: { NULL, NULL }, /* Sy */
147: { NULL, NULL }, /* Tn */
148: { NULL, NULL }, /* Ux */
149: { NULL, NULL }, /* Xc */
150: { NULL, NULL }, /* Xo */
151: { NULL, NULL }, /* Fo */
152: { NULL, NULL }, /* Fc */
153: { NULL, NULL }, /* Oo */
154: { NULL, NULL }, /* Oc */
155: { NULL, NULL }, /* Bk */
156: { NULL, NULL }, /* Ek */
157: { NULL, NULL }, /* Bt */
158: { NULL, NULL }, /* Hf */
159: { NULL, NULL }, /* Fr */
160: { NULL, NULL }, /* Ud */
161: { NULL, NULL }, /* Lb */
162: { NULL, NULL }, /* Lp */
1.10 kristaps 163: { NULL, post_lk }, /* Lk */
1.1 kristaps 164: { NULL, NULL }, /* Mt */
165: { NULL, NULL }, /* Brq */
166: { NULL, NULL }, /* Bro */
167: { NULL, NULL }, /* Brc */
168: { NULL, NULL }, /* %C */
169: { NULL, NULL }, /* Es */
170: { NULL, NULL }, /* En */
171: { NULL, NULL }, /* Dx */
172: { NULL, NULL }, /* %Q */
173: };
174:
1.25 ! kristaps 175: static int concat(struct mdoc *, const struct mdoc_node *,
! 176: char *, size_t);
1.1 kristaps 177:
1.2 kristaps 178: #ifdef __linux__
1.25 ! kristaps 179: extern size_t strlcat(char *, const char *, size_t);
1.2 kristaps 180: #endif
181:
182:
1.1 kristaps 183: int
184: mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
185: {
186:
187: switch (n->type) {
188: case (MDOC_ROOT):
1.2 kristaps 189: /* FALLTHROUGH */
1.1 kristaps 190: case (MDOC_TEXT):
1.2 kristaps 191: return(1);
192: default:
1.1 kristaps 193: break;
194: }
1.2 kristaps 195:
1.6 kristaps 196: if (NULL == mdoc_actions[n->tok].pre)
1.2 kristaps 197: return(1);
1.6 kristaps 198: return((*mdoc_actions[n->tok].pre)(m, n));
1.1 kristaps 199: }
200:
201:
202: int
203: mdoc_action_post(struct mdoc *m)
204: {
205:
206: if (MDOC_ACTED & m->last->flags)
207: return(1);
208: m->last->flags |= MDOC_ACTED;
209:
210: switch (m->last->type) {
211: case (MDOC_TEXT):
1.2 kristaps 212: /* FALLTHROUGH */
1.1 kristaps 213: case (MDOC_ROOT):
1.2 kristaps 214: return(1);
215: default:
1.1 kristaps 216: break;
217: }
1.2 kristaps 218:
219: if (NULL == mdoc_actions[m->last->tok].post)
220: return(1);
221: return((*mdoc_actions[m->last->tok].post)(m));
222: }
223:
224:
225: static int
226: concat(struct mdoc *m, const struct mdoc_node *n,
227: char *buf, size_t sz)
228: {
229:
230: for ( ; n; n = n->next) {
231: assert(MDOC_TEXT == n->type);
232: if (strlcat(buf, n->string, sz) >= sz)
1.23 kristaps 233: return(mdoc_nerr(m, n, ETOOLONG));
1.2 kristaps 234: if (NULL == n->next)
235: continue;
236: if (strlcat(buf, " ", sz) >= sz)
1.23 kristaps 237: return(mdoc_nerr(m, n, ETOOLONG));
1.2 kristaps 238: }
239:
1.1 kristaps 240: return(1);
241: }
242:
243:
244: static int
245: post_std(POST_ARGS)
246: {
247:
248: /*
249: * If '-std' is invoked without an argument, fill it in with our
250: * name (if it's been set).
251: */
252:
253: if (NULL == m->last->args)
254: return(1);
255: if (m->last->args->argv[0].sz)
256: return(1);
257:
258: assert(m->meta.name);
259:
260: m->last->args->argv[0].value = calloc(1, sizeof(char *));
261: if (NULL == m->last->args->argv[0].value)
1.23 kristaps 262: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 263:
264: m->last->args->argv[0].sz = 1;
1.2 kristaps 265: m->last->args->argv[0].value[0] = strdup(m->meta.name);
266: if (NULL == m->last->args->argv[0].value[0])
1.23 kristaps 267: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 268:
1.1 kristaps 269: return(1);
270: }
271:
272:
273: static int
274: post_nm(POST_ARGS)
275: {
276: char buf[64];
277:
278: if (m->meta.name)
279: return(1);
1.5 kristaps 280:
281: buf[0] = 0;
1.2 kristaps 282: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
283: return(0);
1.6 kristaps 284:
1.2 kristaps 285: if (NULL == (m->meta.name = strdup(buf)))
1.23 kristaps 286: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 287:
288: return(1);
289: }
290:
291:
292: static int
1.25 ! kristaps 293: post_at(POST_ARGS)
! 294: {
! 295: struct mdoc_node *n;
! 296: const char *p;
! 297:
! 298: if (m->last->child) {
! 299: assert(MDOC_TEXT == m->last->child->type);
! 300: p = mdoc_a2att(m->last->child->string);
! 301: assert(p);
! 302: free(m->last->child->string);
! 303: m->last->child->string = strdup(p);
! 304: if (NULL == m->last->child->string)
! 305: return(mdoc_nerr(m, m->last, EMALLOC));
! 306: return(1);
! 307: }
! 308:
! 309: n = m->last;
! 310: m->next = MDOC_NEXT_CHILD;
! 311:
! 312: if ( ! mdoc_word_alloc(m, n->line, n->pos, "AT&T UNIX"))
! 313: return(0);
! 314:
! 315: m->last = n;
! 316: m->next = MDOC_NEXT_SIBLING;
! 317: return(1);
! 318: }
! 319:
! 320:
! 321: static int
1.1 kristaps 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);
1.5 kristaps 335:
336: buf[0] = 0;
1.2 kristaps 337: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
338: return(0);
1.1 kristaps 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:
1.23 kristaps 354: return(mdoc_nwarn(m, m->last, EBADSEC));
1.1 kristaps 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)) {
1.2 kristaps 387: if (NULL == (m->meta.title = strdup("unknown")))
1.23 kristaps 388: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 389: if (NULL == (m->meta.vol = strdup("local")))
1.23 kristaps 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:
1.2 kristaps 398: if (NULL == (m->meta.title = strdup(n->string)))
1.23 kristaps 399: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 400:
401: if (NULL == (n = n->next)) {
1.2 kristaps 402: if (NULL == (m->meta.vol = strdup("local")))
1.23 kristaps 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) {
1.2 kristaps 416: if (NULL == (m->meta.vol = strdup(cp)))
1.23 kristaps 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;
1.2 kristaps 422: } else if (NULL == (m->meta.vol = strdup(n->string)))
1.23 kristaps 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);
1.2 kristaps 438: if (NULL == (m->meta.vol = strdup(cp)))
1.23 kristaps 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);
1.2 kristaps 445: if (NULL == (m->meta.vol = strdup(n->string)))
1.23 kristaps 446: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 447: } else if (NULL == (m->meta.arch = strdup(cp)))
1.23 kristaps 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);
1.4 kristaps 465:
466: buf[0] = 0;
1.2 kristaps 467: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
468: return(0);
1.1 kristaps 469:
470: if (0 == buf[0]) {
471: if (-1 == uname(&utsname))
1.23 kristaps 472: return(mdoc_nerr(m, m->last, EUTSNAME));
1.4 kristaps 473: if (strlcat(buf, utsname.sysname, 64) >= 64)
1.23 kristaps 474: return(mdoc_nerr(m, m->last, ETOOLONG));
1.2 kristaps 475: if (strlcat(buf, " ", 64) >= 64)
1.23 kristaps 476: return(mdoc_nerr(m, m->last, ETOOLONG));
1.2 kristaps 477: if (strlcat(buf, utsname.release, 64) >= 64)
1.23 kristaps 478: return(mdoc_nerr(m, m->last, ETOOLONG));
1.1 kristaps 479: }
480:
1.2 kristaps 481: if (NULL == (m->meta.os = strdup(buf)))
1.23 kristaps 482: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 483:
1.13 kristaps 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:
1.11 kristaps 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)))
1.23 kristaps 517: if ( ! mdoc_nwarn(m, m->last, ENOWIDTH))
1.1 kristaps 518: return(0);
519: } else
520: sz = (int)strlen(n->string) + 1;
521: }
522:
1.2 kristaps 523: if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
1.23 kristaps 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);
1.2 kristaps 533: sz = (int)(n->args->argc)++;
1.1 kristaps 534:
1.2 kristaps 535: n->args->argv = realloc(n->args->argv,
1.1 kristaps 536: n->args->argc * sizeof(struct mdoc_argv));
537:
1.2 kristaps 538: if (NULL == n->args->argv)
1.23 kristaps 539: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 540:
1.1 kristaps 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 *));
1.2 kristaps 546:
1.1 kristaps 547: if (NULL == n->args->argv[sz].value)
1.23 kristaps 548: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 549: if (NULL == (n->args->argv[sz].value[0] = strdup(buf)))
1.23 kristaps 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:
1.2 kristaps 580: if (0 == strcmp(p, "Ds"))
1.18 kristaps 581: width = 6;
1.3 kristaps 582: else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p)))
1.1 kristaps 583: return(1);
584: else if (0 == (width = mdoc_macro2len(tok)))
1.23 kristaps 585: return(mdoc_nwarn(m, m->last, ENOWIDTH));
1.1 kristaps 586:
587: /* The value already exists: free and reallocate it. */
588:
1.2 kristaps 589: if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
1.23 kristaps 590: return(mdoc_nerr(m, m->last, ENUMFMT));
1.1 kristaps 591:
592: free(m->last->args->argv[i].value[0]);
1.2 kristaps 593: m->last->args->argv[i].value[0] = strdup(buf);
594: if (NULL == m->last->args->argv[i].value[0])
1.23 kristaps 595: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 596:
597: return(1);
598: }
599:
600:
601: static int
1.14 kristaps 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:
1.17 kristaps 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 *));
1.14 kristaps 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:
1.17 kristaps 642: m->last->nchild = 0;
1.14 kristaps 643: m->last->child = NULL;
1.17 kristaps 644:
1.14 kristaps 645: return(1);
646: }
647:
648:
649: static int
1.1 kristaps 650: post_bl(POST_ARGS)
651: {
652: int i, r, len;
653:
1.14 kristaps 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:
683: return(1);
684: }
685:
686:
687: static int
1.10 kristaps 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;
1.24 kristaps 697:
698: /* XXX: this isn't documented anywhere! */
1.25 ! kristaps 699: if ( ! mdoc_word_alloc(m, m->last->line, m->last->pos, "~"))
1.10 kristaps 700: return(0);
701:
702: m->last = n;
703: m->next = MDOC_NEXT_SIBLING;
704: return(1);
705: }
706:
707:
708: static int
1.1 kristaps 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;
1.25 ! kristaps 718: if ( ! mdoc_word_alloc(m, m->last->line, m->last->pos, "file"))
1.1 kristaps 719: return(0);
720: m->next = MDOC_NEXT_SIBLING;
1.25 ! kristaps 721: if ( ! mdoc_word_alloc(m, m->last->line, m->last->pos, "..."))
1.1 kristaps 722: return(0);
723:
724: m->last = n;
725: m->next = MDOC_NEXT_SIBLING;
726: return(1);
727: }
728:
729:
730: static int
731: post_dd(POST_ARGS)
732: {
733: char buf[64];
734:
1.5 kristaps 735: buf[0] = 0;
1.2 kristaps 736: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
737: return(0);
1.1 kristaps 738:
739: if (0 == (m->meta.date = mdoc_atotime(buf))) {
1.23 kristaps 740: if ( ! mdoc_nwarn(m, m->last, EBADDATE))
1.1 kristaps 741: return(0);
742: m->meta.date = time(NULL);
743: }
744:
745: return(post_prol(m));
746: }
747:
748:
749: static int
750: post_prol(POST_ARGS)
751: {
752: struct mdoc_node *n;
753:
754: /*
755: * The end document shouldn't have the prologue macros as part
756: * of the syntax tree (they encompass only meta-data).
757: */
758:
759: if (m->last->parent->child == m->last)
760: m->last->parent->child = m->last->prev;
761: if (m->last->prev)
762: m->last->prev->next = NULL;
763:
764: n = m->last;
765: assert(NULL == m->last->next);
766:
767: if (m->last->prev) {
768: m->last = m->last->prev;
769: m->next = MDOC_NEXT_SIBLING;
770: } else {
771: m->last = m->last->parent;
772: m->next = MDOC_NEXT_CHILD;
773: }
774:
775: mdoc_node_freelist(n);
776: return(1);
777: }
778:
779:
780: static int
781: pre_dl(PRE_ARGS)
782: {
783:
1.16 kristaps 784: if (MDOC_BODY == n->type)
785: m->flags |= MDOC_LITERAL;
1.1 kristaps 786: return(1);
787: }
788:
789:
790: static int
791: pre_bd(PRE_ARGS)
792: {
793: int i;
794:
795: if (MDOC_BODY != n->type)
796: return(1);
797:
1.2 kristaps 798: /* Enter literal context if `Bd -literal' or * -unfilled'. */
1.1 kristaps 799:
1.2 kristaps 800: for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
1.1 kristaps 801: if (MDOC_Literal == n->args->argv[i].arg)
802: break;
803: else if (MDOC_Unfilled == n->args->argv[i].arg)
804: break;
805:
806: if (i < (int)n->args->argc)
807: m->flags |= MDOC_LITERAL;
808:
809: return(1);
810: }
811:
812:
813: static int
814: post_display(POST_ARGS)
815: {
816:
817: if (MDOC_BODY == m->last->type)
818: m->flags &= ~MDOC_LITERAL;
819: return(1);
820: }
821:
822:
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