Annotation of mandoc/mdoc_action.c, Revision 1.26
1.26 ! kristaps 1: /* $Id: mdoc_action.c,v 1.25 2009/07/12 20:24:24 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:
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);
1.26 ! kristaps 49: static int post_st(POST_ARGS);
1.1 kristaps 50: static int post_std(POST_ARGS);
51:
52: static int pre_bd(PRE_ARGS);
53: static int pre_dl(PRE_ARGS);
54:
55: const struct actions mdoc_actions[MDOC_MAX] = {
1.12 kristaps 56: { NULL, NULL }, /* Ap */
1.1 kristaps 57: { NULL, post_dd }, /* Dd */
58: { NULL, post_dt }, /* Dt */
59: { NULL, post_os }, /* Os */
60: { NULL, post_sh }, /* Sh */
61: { NULL, NULL }, /* Ss */
62: { NULL, NULL }, /* Pp */
63: { NULL, NULL }, /* D1 */
64: { pre_dl, post_display }, /* Dl */
65: { pre_bd, post_display }, /* Bd */
66: { NULL, NULL }, /* Ed */
67: { NULL, post_bl }, /* Bl */
68: { NULL, NULL }, /* El */
69: { NULL, NULL }, /* It */
70: { NULL, NULL }, /* Ad */
71: { NULL, NULL }, /* An */
72: { NULL, post_ar }, /* Ar */
1.19 kristaps 73: { NULL, NULL }, /* Cd */ /* FIXME: tabs are accepted! */
1.1 kristaps 74: { NULL, NULL }, /* Cm */
75: { NULL, NULL }, /* Dv */
76: { NULL, NULL }, /* Er */
77: { NULL, NULL }, /* Ev */
78: { NULL, post_std }, /* Ex */
79: { NULL, NULL }, /* Fa */
80: { NULL, NULL }, /* Fd */
81: { NULL, NULL }, /* Fl */
82: { NULL, NULL }, /* Fn */
83: { NULL, NULL }, /* Ft */
84: { NULL, NULL }, /* Ic */
85: { NULL, NULL }, /* In */
86: { NULL, NULL }, /* Li */
87: { NULL, NULL }, /* Nd */
88: { NULL, post_nm }, /* Nm */
89: { NULL, NULL }, /* Op */
90: { NULL, NULL }, /* Ot */
91: { NULL, NULL }, /* Pa */
92: { NULL, post_std }, /* Rv */
1.26 ! kristaps 93: { NULL, post_st }, /* St */
1.1 kristaps 94: { NULL, NULL }, /* Va */
95: { NULL, NULL }, /* Vt */
96: { NULL, NULL }, /* Xr */
97: { NULL, NULL }, /* %A */
98: { NULL, NULL }, /* %B */
99: { NULL, NULL }, /* %D */
100: { NULL, NULL }, /* %I */
101: { NULL, NULL }, /* %J */
102: { NULL, NULL }, /* %N */
103: { NULL, NULL }, /* %O */
104: { NULL, NULL }, /* %P */
105: { NULL, NULL }, /* %R */
106: { NULL, NULL }, /* %T */
107: { NULL, NULL }, /* %V */
108: { NULL, NULL }, /* Ac */
109: { NULL, NULL }, /* Ao */
110: { NULL, NULL }, /* Aq */
1.25 kristaps 111: { NULL, post_at }, /* At */
1.1 kristaps 112: { NULL, NULL }, /* Bc */
113: { NULL, NULL }, /* Bf */
114: { NULL, NULL }, /* Bo */
115: { NULL, NULL }, /* Bq */
116: { NULL, NULL }, /* Bsx */
117: { NULL, NULL }, /* Bx */
118: { NULL, NULL }, /* Db */
119: { NULL, NULL }, /* Dc */
120: { NULL, NULL }, /* Do */
121: { NULL, NULL }, /* Dq */
122: { NULL, NULL }, /* Ec */
123: { NULL, NULL }, /* Ef */
124: { NULL, NULL }, /* Em */
125: { NULL, NULL }, /* Eo */
126: { NULL, NULL }, /* Fx */
127: { NULL, NULL }, /* Ms */
128: { NULL, NULL }, /* No */
129: { NULL, NULL }, /* Ns */
130: { NULL, NULL }, /* Nx */
131: { NULL, NULL }, /* Ox */
132: { NULL, NULL }, /* Pc */
133: { NULL, NULL }, /* Pf */
134: { NULL, NULL }, /* Po */
135: { NULL, NULL }, /* Pq */
136: { NULL, NULL }, /* Qc */
137: { NULL, NULL }, /* Ql */
138: { NULL, NULL }, /* Qo */
139: { NULL, NULL }, /* Qq */
140: { NULL, NULL }, /* Re */
141: { NULL, NULL }, /* Rs */
142: { NULL, NULL }, /* Sc */
143: { NULL, NULL }, /* So */
144: { NULL, NULL }, /* Sq */
145: { NULL, NULL }, /* Sm */
146: { NULL, NULL }, /* Sx */
147: { NULL, NULL }, /* Sy */
148: { NULL, NULL }, /* Tn */
149: { NULL, NULL }, /* Ux */
150: { NULL, NULL }, /* Xc */
151: { NULL, NULL }, /* Xo */
152: { NULL, NULL }, /* Fo */
153: { NULL, NULL }, /* Fc */
154: { NULL, NULL }, /* Oo */
155: { NULL, NULL }, /* Oc */
156: { NULL, NULL }, /* Bk */
157: { NULL, NULL }, /* Ek */
158: { NULL, NULL }, /* Bt */
159: { NULL, NULL }, /* Hf */
160: { NULL, NULL }, /* Fr */
161: { NULL, NULL }, /* Ud */
162: { NULL, NULL }, /* Lb */
163: { NULL, NULL }, /* Lp */
1.10 kristaps 164: { NULL, post_lk }, /* Lk */
1.1 kristaps 165: { NULL, NULL }, /* Mt */
166: { NULL, NULL }, /* Brq */
167: { NULL, NULL }, /* Bro */
168: { NULL, NULL }, /* Brc */
169: { NULL, NULL }, /* %C */
170: { NULL, NULL }, /* Es */
171: { NULL, NULL }, /* En */
172: { NULL, NULL }, /* Dx */
173: { NULL, NULL }, /* %Q */
174: };
175:
1.25 kristaps 176: static int concat(struct mdoc *, const struct mdoc_node *,
177: char *, size_t);
1.1 kristaps 178:
1.2 kristaps 179: #ifdef __linux__
1.25 kristaps 180: extern size_t strlcat(char *, const char *, size_t);
1.2 kristaps 181: #endif
182:
183:
1.1 kristaps 184: int
185: mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
186: {
187:
188: switch (n->type) {
189: case (MDOC_ROOT):
1.2 kristaps 190: /* FALLTHROUGH */
1.1 kristaps 191: case (MDOC_TEXT):
1.2 kristaps 192: return(1);
193: default:
1.1 kristaps 194: break;
195: }
1.2 kristaps 196:
1.6 kristaps 197: if (NULL == mdoc_actions[n->tok].pre)
1.2 kristaps 198: return(1);
1.6 kristaps 199: return((*mdoc_actions[n->tok].pre)(m, n));
1.1 kristaps 200: }
201:
202:
203: int
204: mdoc_action_post(struct mdoc *m)
205: {
206:
207: if (MDOC_ACTED & m->last->flags)
208: return(1);
209: m->last->flags |= MDOC_ACTED;
210:
211: switch (m->last->type) {
212: case (MDOC_TEXT):
1.2 kristaps 213: /* FALLTHROUGH */
1.1 kristaps 214: case (MDOC_ROOT):
1.2 kristaps 215: return(1);
216: default:
1.1 kristaps 217: break;
218: }
1.2 kristaps 219:
220: if (NULL == mdoc_actions[m->last->tok].post)
221: return(1);
222: return((*mdoc_actions[m->last->tok].post)(m));
223: }
224:
225:
226: static int
227: concat(struct mdoc *m, const struct mdoc_node *n,
228: char *buf, size_t sz)
229: {
230:
231: for ( ; n; n = n->next) {
232: assert(MDOC_TEXT == n->type);
233: if (strlcat(buf, n->string, sz) >= sz)
1.23 kristaps 234: return(mdoc_nerr(m, n, ETOOLONG));
1.2 kristaps 235: if (NULL == n->next)
236: continue;
237: if (strlcat(buf, " ", sz) >= sz)
1.23 kristaps 238: return(mdoc_nerr(m, n, ETOOLONG));
1.2 kristaps 239: }
240:
1.1 kristaps 241: return(1);
242: }
243:
244:
245: static int
246: post_std(POST_ARGS)
247: {
248:
249: /*
250: * If '-std' is invoked without an argument, fill it in with our
251: * name (if it's been set).
252: */
253:
254: if (NULL == m->last->args)
255: return(1);
256: if (m->last->args->argv[0].sz)
257: return(1);
258:
259: assert(m->meta.name);
260:
261: m->last->args->argv[0].value = calloc(1, sizeof(char *));
262: if (NULL == m->last->args->argv[0].value)
1.23 kristaps 263: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 264:
265: m->last->args->argv[0].sz = 1;
1.2 kristaps 266: m->last->args->argv[0].value[0] = strdup(m->meta.name);
267: if (NULL == m->last->args->argv[0].value[0])
1.23 kristaps 268: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 269:
1.1 kristaps 270: return(1);
271: }
272:
273:
274: static int
275: post_nm(POST_ARGS)
276: {
277: char buf[64];
278:
279: if (m->meta.name)
280: return(1);
1.5 kristaps 281:
282: buf[0] = 0;
1.2 kristaps 283: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
284: return(0);
1.6 kristaps 285:
1.2 kristaps 286: if (NULL == (m->meta.name = strdup(buf)))
1.23 kristaps 287: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 288:
289: return(1);
290: }
291:
292:
293: static int
1.26 ! kristaps 294: post_st(POST_ARGS)
! 295: {
! 296: const char *p;
! 297:
! 298: assert(MDOC_TEXT == m->last->child->type);
! 299: p = mdoc_a2st(m->last->child->string);
! 300: assert(p);
! 301: free(m->last->child->string);
! 302: m->last->child->string = strdup(p);
! 303: if (NULL == m->last->child->string)
! 304: return(mdoc_nerr(m, m->last, EMALLOC));
! 305: return(1);
! 306: }
! 307:
! 308:
! 309: static int
1.25 kristaps 310: post_at(POST_ARGS)
311: {
312: struct mdoc_node *n;
313: const char *p;
314:
315: if (m->last->child) {
316: assert(MDOC_TEXT == m->last->child->type);
317: p = mdoc_a2att(m->last->child->string);
318: assert(p);
319: free(m->last->child->string);
320: m->last->child->string = strdup(p);
321: if (NULL == m->last->child->string)
322: return(mdoc_nerr(m, m->last, EMALLOC));
323: return(1);
324: }
325:
326: n = m->last;
327: m->next = MDOC_NEXT_CHILD;
328:
329: if ( ! mdoc_word_alloc(m, n->line, n->pos, "AT&T UNIX"))
330: return(0);
331:
332: m->last = n;
333: m->next = MDOC_NEXT_SIBLING;
334: return(1);
335: }
336:
337:
338: static int
1.1 kristaps 339: post_sh(POST_ARGS)
340: {
341: enum mdoc_sec sec;
342: char buf[64];
343:
344: /*
345: * We keep track of the current section /and/ the "named"
346: * section, which is one of the conventional ones, in order to
347: * check ordering.
348: */
349:
350: if (MDOC_HEAD != m->last->type)
351: return(1);
1.5 kristaps 352:
353: buf[0] = 0;
1.2 kristaps 354: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
355: return(0);
1.1 kristaps 356: if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
357: m->lastnamed = sec;
358:
359: switch ((m->lastsec = sec)) {
360: case (SEC_RETURN_VALUES):
361: /* FALLTHROUGH */
362: case (SEC_ERRORS):
363: switch (m->meta.msec) {
364: case (2):
365: /* FALLTHROUGH */
366: case (3):
367: /* FALLTHROUGH */
368: case (9):
369: break;
370: default:
1.23 kristaps 371: return(mdoc_nwarn(m, m->last, EBADSEC));
1.1 kristaps 372: }
373: break;
374: default:
375: break;
376: }
377: return(1);
378: }
379:
380:
381: static int
382: post_dt(POST_ARGS)
383: {
384: struct mdoc_node *n;
385: const char *cp;
386: char *ep;
387: long lval;
388:
389: if (m->meta.title)
390: free(m->meta.title);
391: if (m->meta.vol)
392: free(m->meta.vol);
393: if (m->meta.arch)
394: free(m->meta.arch);
395:
396: m->meta.title = m->meta.vol = m->meta.arch = NULL;
397: m->meta.msec = 0;
398:
399: /* Handles: `.Dt'
400: * --> title = unknown, volume = local, msec = 0, arch = NULL
401: */
402:
403: if (NULL == (n = m->last->child)) {
1.2 kristaps 404: if (NULL == (m->meta.title = strdup("unknown")))
1.23 kristaps 405: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 406: if (NULL == (m->meta.vol = strdup("local")))
1.23 kristaps 407: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 408: return(post_prol(m));
409: }
410:
411: /* Handles: `.Dt TITLE'
412: * --> title = TITLE, volume = local, msec = 0, arch = NULL
413: */
414:
1.2 kristaps 415: if (NULL == (m->meta.title = strdup(n->string)))
1.23 kristaps 416: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 417:
418: if (NULL == (n = n->next)) {
1.2 kristaps 419: if (NULL == (m->meta.vol = strdup("local")))
1.23 kristaps 420: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 421: return(post_prol(m));
422: }
423:
424: /* Handles: `.Dt TITLE SEC'
425: * --> title = TITLE, volume = SEC is msec ?
426: * format(msec) : SEC,
427: * msec = SEC is msec ? atoi(msec) : 0,
428: * arch = NULL
429: */
430:
431: cp = mdoc_a2msec(n->string);
432: if (cp) {
1.2 kristaps 433: if (NULL == (m->meta.vol = strdup(cp)))
1.23 kristaps 434: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 435: errno = 0;
436: lval = strtol(n->string, &ep, 10);
437: if (n->string[0] != '\0' && *ep == '\0')
438: m->meta.msec = (int)lval;
1.2 kristaps 439: } else if (NULL == (m->meta.vol = strdup(n->string)))
1.23 kristaps 440: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 441:
442: if (NULL == (n = n->next))
443: return(post_prol(m));
444:
445: /* Handles: `.Dt TITLE SEC VOL'
446: * --> title = TITLE, volume = VOL is vol ?
447: * format(VOL) :
448: * VOL is arch ? format(arch) :
449: * VOL
450: */
451:
452: cp = mdoc_a2vol(n->string);
453: if (cp) {
454: free(m->meta.vol);
1.2 kristaps 455: if (NULL == (m->meta.vol = strdup(cp)))
1.23 kristaps 456: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 457: n = n->next;
458: } else {
459: cp = mdoc_a2arch(n->string);
460: if (NULL == cp) {
461: free(m->meta.vol);
1.2 kristaps 462: if (NULL == (m->meta.vol = strdup(n->string)))
1.23 kristaps 463: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 464: } else if (NULL == (m->meta.arch = strdup(cp)))
1.23 kristaps 465: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 466: }
467:
468: /* Ignore any subsequent parameters... */
469:
470: return(post_prol(m));
471: }
472:
473:
474: static int
475: post_os(POST_ARGS)
476: {
477: char buf[64];
478: struct utsname utsname;
479:
480: if (m->meta.os)
481: free(m->meta.os);
1.4 kristaps 482:
483: buf[0] = 0;
1.2 kristaps 484: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
485: return(0);
1.1 kristaps 486:
487: if (0 == buf[0]) {
488: if (-1 == uname(&utsname))
1.23 kristaps 489: return(mdoc_nerr(m, m->last, EUTSNAME));
1.4 kristaps 490: if (strlcat(buf, utsname.sysname, 64) >= 64)
1.23 kristaps 491: return(mdoc_nerr(m, m->last, ETOOLONG));
1.2 kristaps 492: if (strlcat(buf, " ", 64) >= 64)
1.23 kristaps 493: return(mdoc_nerr(m, m->last, ETOOLONG));
1.2 kristaps 494: if (strlcat(buf, utsname.release, 64) >= 64)
1.23 kristaps 495: return(mdoc_nerr(m, m->last, ETOOLONG));
1.1 kristaps 496: }
497:
1.2 kristaps 498: if (NULL == (m->meta.os = strdup(buf)))
1.23 kristaps 499: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 500:
1.13 kristaps 501: m->flags |= MDOC_PBODY;
1.1 kristaps 502: return(post_prol(m));
503: }
504:
505:
506: /*
507: * Calculate the -width for a `Bl -tag' list if it hasn't been provided.
508: * Uses the first head macro.
509: */
510: static int
511: post_bl_tagwidth(struct mdoc *m)
512: {
513: struct mdoc_node *n;
514: int sz;
515: char buf[32];
516:
517: /*
518: * Use the text width, if a text node, or the default macro
519: * width if a macro.
520: */
521:
1.11 kristaps 522: n = m->last->body->child;
523: if (n) {
1.1 kristaps 524: assert(MDOC_BLOCK == n->type);
525: assert(MDOC_It == n->tok);
526: n = n->head->child;
527: }
528:
529: sz = 10; /* Default size. */
530:
531: if (n) {
532: if (MDOC_TEXT != n->type) {
533: if (0 == (sz = (int)mdoc_macro2len(n->tok)))
1.23 kristaps 534: if ( ! mdoc_nwarn(m, m->last, ENOWIDTH))
1.1 kristaps 535: return(0);
536: } else
537: sz = (int)strlen(n->string) + 1;
538: }
539:
1.2 kristaps 540: if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
1.23 kristaps 541: return(mdoc_nerr(m, m->last, ENUMFMT));
1.1 kristaps 542:
543: /*
544: * We have to dynamically add this to the macro's argument list.
545: * We're guaranteed that a MDOC_Width doesn't already exist.
546: */
547:
548: n = m->last;
549: assert(n->args);
1.2 kristaps 550: sz = (int)(n->args->argc)++;
1.1 kristaps 551:
1.2 kristaps 552: n->args->argv = realloc(n->args->argv,
1.1 kristaps 553: n->args->argc * sizeof(struct mdoc_argv));
554:
1.2 kristaps 555: if (NULL == n->args->argv)
1.23 kristaps 556: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 557:
1.1 kristaps 558: n->args->argv[sz].arg = MDOC_Width;
559: n->args->argv[sz].line = m->last->line;
560: n->args->argv[sz].pos = m->last->pos;
561: n->args->argv[sz].sz = 1;
562: n->args->argv[sz].value = calloc(1, sizeof(char *));
1.2 kristaps 563:
1.1 kristaps 564: if (NULL == n->args->argv[sz].value)
1.23 kristaps 565: return(mdoc_nerr(m, m->last, EMALLOC));
1.2 kristaps 566: if (NULL == (n->args->argv[sz].value[0] = strdup(buf)))
1.23 kristaps 567: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 568:
569: return(1);
570: }
571:
572:
573: static int
574: post_bl_width(struct mdoc *m)
575: {
576: size_t width;
577: int i, tok;
578: char buf[32];
579: char *p;
580:
581: if (NULL == m->last->args)
582: return(1);
583:
584: for (i = 0; i < (int)m->last->args->argc; i++)
585: if (MDOC_Width == m->last->args->argv[i].arg)
586: break;
587:
588: if (i == (int)m->last->args->argc)
589: return(1);
590: p = m->last->args->argv[i].value[0];
591:
592: /*
593: * If the value to -width is a macro, then we re-write it to be
594: * the macro's width as set in share/tmac/mdoc/doc-common.
595: */
596:
1.2 kristaps 597: if (0 == strcmp(p, "Ds"))
1.18 kristaps 598: width = 6;
1.3 kristaps 599: else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p)))
1.1 kristaps 600: return(1);
601: else if (0 == (width = mdoc_macro2len(tok)))
1.23 kristaps 602: return(mdoc_nwarn(m, m->last, ENOWIDTH));
1.1 kristaps 603:
604: /* The value already exists: free and reallocate it. */
605:
1.2 kristaps 606: if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
1.23 kristaps 607: return(mdoc_nerr(m, m->last, ENUMFMT));
1.1 kristaps 608:
609: free(m->last->args->argv[i].value[0]);
1.2 kristaps 610: m->last->args->argv[i].value[0] = strdup(buf);
611: if (NULL == m->last->args->argv[i].value[0])
1.23 kristaps 612: return(mdoc_nerr(m, m->last, EMALLOC));
1.1 kristaps 613:
614: return(1);
615: }
616:
617:
618: static int
1.14 kristaps 619: post_bl_head(POST_ARGS)
620: {
621: int i, c;
622: struct mdoc_node *n, *nn, *nnp;
623:
624: if (NULL == m->last->child)
625: return(1);
626:
627: n = m->last->parent;
628: assert(n->args);
629:
630: for (c = 0; c < (int)n->args->argc; c++)
631: if (MDOC_Column == n->args->argv[c].arg)
632: break;
633:
634: /* Only process -column. */
635:
636: if (c == (int)n->args->argc)
637: return(1);
638:
639: assert(0 == n->args->argv[c].sz);
640:
641: /*
642: * Accomodate for new-style groff column syntax. Shuffle the
643: * child nodes, all of which must be TEXT, as arguments for the
644: * column field. Then, delete the head children.
645: */
646:
1.17 kristaps 647: n->args->argv[c].sz = (size_t)m->last->nchild;
648: n->args->argv[c].value = malloc
649: ((size_t)m->last->nchild * sizeof(char *));
1.14 kristaps 650:
651: for (i = 0, nn = m->last->child; nn; i++) {
652: n->args->argv[c].value[i] = nn->string;
653: nn->string = NULL;
654: nnp = nn;
655: nn = nn->next;
656: mdoc_node_free(nnp);
657: }
658:
1.17 kristaps 659: m->last->nchild = 0;
1.14 kristaps 660: m->last->child = NULL;
1.17 kristaps 661:
1.14 kristaps 662: return(1);
663: }
664:
665:
666: static int
1.1 kristaps 667: post_bl(POST_ARGS)
668: {
669: int i, r, len;
670:
1.14 kristaps 671: if (MDOC_HEAD == m->last->type)
672: return(post_bl_head(m));
1.1 kristaps 673: if (MDOC_BLOCK != m->last->type)
674: return(1);
675:
676: /*
677: * These are fairly complicated, so we've broken them into two
678: * functions. post_bl_tagwidth() is called when a -tag is
679: * specified, but no -width (it must be guessed). The second
680: * when a -width is specified (macro indicators must be
681: * rewritten into real lengths).
682: */
683:
684: len = (int)(m->last->args ? m->last->args->argc : 0);
685:
686: for (r = i = 0; i < len; i++) {
687: if (MDOC_Tag == m->last->args->argv[i].arg)
688: r |= 1 << 0;
689: if (MDOC_Width == m->last->args->argv[i].arg)
690: r |= 1 << 1;
691: }
692:
693: if (r & (1 << 0) && ! (r & (1 << 1))) {
694: if ( ! post_bl_tagwidth(m))
695: return(0);
696: } else if (r & (1 << 1))
697: if ( ! post_bl_width(m))
698: return(0);
699:
700: return(1);
701: }
702:
703:
704: static int
1.10 kristaps 705: post_lk(POST_ARGS)
706: {
707: struct mdoc_node *n;
708:
709: if (m->last->child)
710: return(1);
711:
712: n = m->last;
713: m->next = MDOC_NEXT_CHILD;
1.24 kristaps 714:
715: /* XXX: this isn't documented anywhere! */
1.25 kristaps 716: if ( ! mdoc_word_alloc(m, m->last->line, m->last->pos, "~"))
1.10 kristaps 717: return(0);
718:
719: m->last = n;
720: m->next = MDOC_NEXT_SIBLING;
721: return(1);
722: }
723:
724:
725: static int
1.1 kristaps 726: post_ar(POST_ARGS)
727: {
728: struct mdoc_node *n;
729:
730: if (m->last->child)
731: return(1);
732:
733: n = m->last;
734: m->next = MDOC_NEXT_CHILD;
1.25 kristaps 735: if ( ! mdoc_word_alloc(m, m->last->line, m->last->pos, "file"))
1.1 kristaps 736: return(0);
737: m->next = MDOC_NEXT_SIBLING;
1.25 kristaps 738: if ( ! mdoc_word_alloc(m, m->last->line, m->last->pos, "..."))
1.1 kristaps 739: return(0);
740:
741: m->last = n;
742: m->next = MDOC_NEXT_SIBLING;
743: return(1);
744: }
745:
746:
747: static int
748: post_dd(POST_ARGS)
749: {
750: char buf[64];
751:
1.5 kristaps 752: buf[0] = 0;
1.2 kristaps 753: if ( ! concat(m, m->last->child, buf, sizeof(buf)))
754: return(0);
1.1 kristaps 755:
756: if (0 == (m->meta.date = mdoc_atotime(buf))) {
1.23 kristaps 757: if ( ! mdoc_nwarn(m, m->last, EBADDATE))
1.1 kristaps 758: return(0);
759: m->meta.date = time(NULL);
760: }
761:
762: return(post_prol(m));
763: }
764:
765:
766: static int
767: post_prol(POST_ARGS)
768: {
769: struct mdoc_node *n;
770:
771: /*
772: * The end document shouldn't have the prologue macros as part
773: * of the syntax tree (they encompass only meta-data).
774: */
775:
776: if (m->last->parent->child == m->last)
777: m->last->parent->child = m->last->prev;
778: if (m->last->prev)
779: m->last->prev->next = NULL;
780:
781: n = m->last;
782: assert(NULL == m->last->next);
783:
784: if (m->last->prev) {
785: m->last = m->last->prev;
786: m->next = MDOC_NEXT_SIBLING;
787: } else {
788: m->last = m->last->parent;
789: m->next = MDOC_NEXT_CHILD;
790: }
791:
792: mdoc_node_freelist(n);
793: return(1);
794: }
795:
796:
797: static int
798: pre_dl(PRE_ARGS)
799: {
800:
1.16 kristaps 801: if (MDOC_BODY == n->type)
802: m->flags |= MDOC_LITERAL;
1.1 kristaps 803: return(1);
804: }
805:
806:
807: static int
808: pre_bd(PRE_ARGS)
809: {
810: int i;
811:
812: if (MDOC_BODY != n->type)
813: return(1);
814:
1.2 kristaps 815: /* Enter literal context if `Bd -literal' or * -unfilled'. */
1.1 kristaps 816:
1.2 kristaps 817: for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
1.1 kristaps 818: if (MDOC_Literal == n->args->argv[i].arg)
819: break;
820: else if (MDOC_Unfilled == n->args->argv[i].arg)
821: break;
822:
823: if (i < (int)n->args->argc)
824: m->flags |= MDOC_LITERAL;
825:
826: return(1);
827: }
828:
829:
830: static int
831: post_display(POST_ARGS)
832: {
833:
834: if (MDOC_BODY == m->last->type)
835: m->flags &= ~MDOC_LITERAL;
836: return(1);
837: }
838:
839:
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