Annotation of src/usr.bin/mandoc/mdoc_action.c, Revision 1.23
1.23 ! schwarze 1: /* $Id: mdoc_action.c,v 1.22 2009/10/19 15:44:01 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:
1.20 schwarze 27: #define POST_ARGS struct mdoc *m, struct mdoc_node *n
1.1 kristaps 28: #define PRE_ARGS struct mdoc *m, const struct mdoc_node *n
29:
30: struct actions {
31: int (*pre)(PRE_ARGS);
32: int (*post)(POST_ARGS);
33: };
34:
1.23 ! schwarze 35: static int concat(struct mdoc *,
! 36: const struct mdoc_node *,
! 37: char *, size_t);
! 38: static inline int order_rs(int);
! 39:
1.1 kristaps 40: static int post_ar(POST_ARGS);
1.15 schwarze 41: static int post_at(POST_ARGS);
1.1 kristaps 42: static int post_bl(POST_ARGS);
1.6 schwarze 43: static int post_bl_head(POST_ARGS);
1.15 schwarze 44: static int post_bl_tagwidth(POST_ARGS);
1.1 kristaps 45: static int post_bl_width(POST_ARGS);
46: static int post_dd(POST_ARGS);
47: static int post_display(POST_ARGS);
48: static int post_dt(POST_ARGS);
1.15 schwarze 49: static int post_lb(POST_ARGS);
1.1 kristaps 50: static int post_nm(POST_ARGS);
51: static int post_os(POST_ARGS);
52: static int post_prol(POST_ARGS);
1.23 ! schwarze 53: static int post_rs(POST_ARGS);
1.1 kristaps 54: static int post_sh(POST_ARGS);
1.15 schwarze 55: static int post_st(POST_ARGS);
1.1 kristaps 56: static int post_std(POST_ARGS);
1.17 schwarze 57: static int post_tilde(POST_ARGS);
1.1 kristaps 58:
59: static int pre_bd(PRE_ARGS);
1.22 schwarze 60: static int pre_bl(PRE_ARGS);
1.1 kristaps 61: static int pre_dl(PRE_ARGS);
1.22 schwarze 62: static int pre_offset(PRE_ARGS);
1.1 kristaps 63:
1.21 schwarze 64: static const struct actions mdoc_actions[MDOC_MAX] = {
1.4 schwarze 65: { NULL, NULL }, /* Ap */
1.1 kristaps 66: { NULL, post_dd }, /* Dd */
67: { NULL, post_dt }, /* Dt */
68: { NULL, post_os }, /* Os */
69: { NULL, post_sh }, /* Sh */
70: { NULL, NULL }, /* Ss */
71: { NULL, NULL }, /* Pp */
72: { NULL, NULL }, /* D1 */
73: { pre_dl, post_display }, /* Dl */
74: { pre_bd, post_display }, /* Bd */
75: { NULL, NULL }, /* Ed */
1.22 schwarze 76: { pre_bl, post_bl }, /* Bl */
1.1 kristaps 77: { NULL, NULL }, /* El */
78: { NULL, NULL }, /* It */
79: { NULL, NULL }, /* Ad */
80: { NULL, NULL }, /* An */
81: { NULL, post_ar }, /* Ar */
1.20 schwarze 82: { NULL, NULL }, /* Cd */
1.1 kristaps 83: { NULL, NULL }, /* Cm */
84: { NULL, NULL }, /* Dv */
85: { NULL, NULL }, /* Er */
86: { NULL, NULL }, /* Ev */
87: { NULL, post_std }, /* Ex */
88: { NULL, NULL }, /* Fa */
89: { NULL, NULL }, /* Fd */
90: { NULL, NULL }, /* Fl */
91: { NULL, NULL }, /* Fn */
92: { NULL, NULL }, /* Ft */
93: { NULL, NULL }, /* Ic */
94: { NULL, NULL }, /* In */
95: { NULL, NULL }, /* Li */
96: { NULL, NULL }, /* Nd */
97: { NULL, post_nm }, /* Nm */
98: { NULL, NULL }, /* Op */
99: { NULL, NULL }, /* Ot */
1.17 schwarze 100: { NULL, post_tilde }, /* Pa */
1.1 kristaps 101: { NULL, post_std }, /* Rv */
1.15 schwarze 102: { NULL, post_st }, /* St */
1.1 kristaps 103: { NULL, NULL }, /* Va */
104: { NULL, NULL }, /* Vt */
105: { NULL, NULL }, /* Xr */
106: { NULL, NULL }, /* %A */
107: { NULL, NULL }, /* %B */
108: { NULL, NULL }, /* %D */
109: { NULL, NULL }, /* %I */
110: { NULL, NULL }, /* %J */
111: { NULL, NULL }, /* %N */
112: { NULL, NULL }, /* %O */
113: { NULL, NULL }, /* %P */
114: { NULL, NULL }, /* %R */
115: { NULL, NULL }, /* %T */
116: { NULL, NULL }, /* %V */
117: { NULL, NULL }, /* Ac */
118: { NULL, NULL }, /* Ao */
119: { NULL, NULL }, /* Aq */
1.15 schwarze 120: { NULL, post_at }, /* At */
1.1 kristaps 121: { NULL, NULL }, /* Bc */
122: { NULL, NULL }, /* Bf */
123: { NULL, NULL }, /* Bo */
124: { NULL, NULL }, /* Bq */
125: { NULL, NULL }, /* Bsx */
126: { NULL, NULL }, /* Bx */
127: { NULL, NULL }, /* Db */
128: { NULL, NULL }, /* Dc */
129: { NULL, NULL }, /* Do */
130: { NULL, NULL }, /* Dq */
131: { NULL, NULL }, /* Ec */
132: { NULL, NULL }, /* Ef */
133: { NULL, NULL }, /* Em */
134: { NULL, NULL }, /* Eo */
135: { NULL, NULL }, /* Fx */
136: { NULL, NULL }, /* Ms */
137: { NULL, NULL }, /* No */
138: { NULL, NULL }, /* Ns */
139: { NULL, NULL }, /* Nx */
140: { NULL, NULL }, /* Ox */
141: { NULL, NULL }, /* Pc */
142: { NULL, NULL }, /* Pf */
143: { NULL, NULL }, /* Po */
144: { NULL, NULL }, /* Pq */
145: { NULL, NULL }, /* Qc */
146: { NULL, NULL }, /* Ql */
147: { NULL, NULL }, /* Qo */
148: { NULL, NULL }, /* Qq */
149: { NULL, NULL }, /* Re */
1.23 ! schwarze 150: { NULL, post_rs }, /* Rs */
1.1 kristaps 151: { NULL, NULL }, /* Sc */
152: { NULL, NULL }, /* So */
153: { NULL, NULL }, /* Sq */
154: { NULL, NULL }, /* Sm */
155: { NULL, NULL }, /* Sx */
156: { NULL, NULL }, /* Sy */
157: { NULL, NULL }, /* Tn */
158: { NULL, NULL }, /* Ux */
159: { NULL, NULL }, /* Xc */
160: { NULL, NULL }, /* Xo */
161: { NULL, NULL }, /* Fo */
162: { NULL, NULL }, /* Fc */
163: { NULL, NULL }, /* Oo */
164: { NULL, NULL }, /* Oc */
165: { NULL, NULL }, /* Bk */
166: { NULL, NULL }, /* Ek */
167: { NULL, NULL }, /* Bt */
168: { NULL, NULL }, /* Hf */
169: { NULL, NULL }, /* Fr */
170: { NULL, NULL }, /* Ud */
1.15 schwarze 171: { NULL, post_lb }, /* Lb */
1.1 kristaps 172: { NULL, NULL }, /* Lp */
1.17 schwarze 173: { NULL, post_tilde }, /* Lk */
1.1 kristaps 174: { NULL, NULL }, /* Mt */
175: { NULL, NULL }, /* Brq */
176: { NULL, NULL }, /* Bro */
177: { NULL, NULL }, /* Brc */
178: { NULL, NULL }, /* %C */
179: { NULL, NULL }, /* Es */
180: { NULL, NULL }, /* En */
181: { NULL, NULL }, /* Dx */
182: { NULL, NULL }, /* %Q */
1.16 schwarze 183: { NULL, NULL }, /* br */
184: { NULL, NULL }, /* sp */
1.1 kristaps 185: };
186:
1.23 ! schwarze 187: #define RSORD_MAX 13
! 188:
! 189: static const int rsord[RSORD_MAX] = {
! 190: MDOC__A,
! 191: MDOC__T,
! 192: MDOC__B,
! 193: MDOC__I,
! 194: MDOC__J,
! 195: MDOC__R,
! 196: MDOC__N,
! 197: MDOC__V,
! 198: MDOC__P,
! 199: MDOC__Q,
! 200: MDOC__D,
! 201: MDOC__O,
! 202: MDOC__C
! 203: };
1.15 schwarze 204:
1.1 kristaps 205:
206: int
207: mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
208: {
209:
210: switch (n->type) {
211: case (MDOC_ROOT):
212: /* FALLTHROUGH */
213: case (MDOC_TEXT):
214: return(1);
215: default:
216: break;
217: }
218:
219: if (NULL == mdoc_actions[n->tok].pre)
220: return(1);
221: return((*mdoc_actions[n->tok].pre)(m, n));
222: }
223:
224:
225: int
226: mdoc_action_post(struct mdoc *m)
227: {
228:
229: if (MDOC_ACTED & m->last->flags)
230: return(1);
231: m->last->flags |= MDOC_ACTED;
232:
233: switch (m->last->type) {
234: case (MDOC_TEXT):
235: /* FALLTHROUGH */
236: case (MDOC_ROOT):
237: return(1);
238: default:
239: break;
240: }
241:
242: if (NULL == mdoc_actions[m->last->tok].post)
243: return(1);
1.20 schwarze 244: return((*mdoc_actions[m->last->tok].post)(m, m->last));
1.1 kristaps 245: }
246:
247:
248: static int
249: concat(struct mdoc *m, const struct mdoc_node *n,
250: char *buf, size_t sz)
251: {
252:
253: for ( ; n; n = n->next) {
254: assert(MDOC_TEXT == n->type);
255: if (strlcat(buf, n->string, sz) >= sz)
1.12 schwarze 256: return(mdoc_nerr(m, n, ETOOLONG));
1.1 kristaps 257: if (NULL == n->next)
258: continue;
259: if (strlcat(buf, " ", sz) >= sz)
1.12 schwarze 260: return(mdoc_nerr(m, n, ETOOLONG));
1.1 kristaps 261: }
262:
263: return(1);
264: }
265:
266:
267: static int
268: post_std(POST_ARGS)
269: {
1.20 schwarze 270: struct mdoc_node *nn;
1.1 kristaps 271:
1.20 schwarze 272: if (n->child)
1.1 kristaps 273: return(1);
1.20 schwarze 274:
275: nn = n;
276: m->next = MDOC_NEXT_CHILD;
1.1 kristaps 277: assert(m->meta.name);
1.20 schwarze 278: if ( ! mdoc_word_alloc(m, n->line, n->pos, m->meta.name))
279: return(0);
280: m->last = nn;
1.1 kristaps 281:
282: return(1);
283: }
284:
285:
286: static int
287: post_nm(POST_ARGS)
288: {
289: char buf[64];
290:
291: if (m->meta.name)
292: return(1);
293:
294: buf[0] = 0;
1.20 schwarze 295: if ( ! concat(m, n->child, buf, sizeof(buf)))
1.1 kristaps 296: return(0);
297: if (NULL == (m->meta.name = strdup(buf)))
1.20 schwarze 298: return(mdoc_nerr(m, n, EMALLOC));
1.2 schwarze 299:
1.1 kristaps 300: return(1);
301: }
302:
303:
304: static int
1.15 schwarze 305: post_lb(POST_ARGS)
306: {
307: const char *p;
308: char *buf;
309: size_t sz;
310:
1.20 schwarze 311: assert(MDOC_TEXT == n->child->type);
312: p = mdoc_a2lib(n->child->string);
1.15 schwarze 313: if (NULL == p) {
1.20 schwarze 314: sz = strlen(n->child->string) +
1.15 schwarze 315: 2 + strlen("\\(lqlibrary\\(rq");
316: buf = malloc(sz);
317: if (NULL == buf)
1.20 schwarze 318: return(mdoc_nerr(m, n, EMALLOC));
1.15 schwarze 319: (void)snprintf(buf, sz, "library \\(lq%s\\(rq",
1.20 schwarze 320: n->child->string);
321: free(n->child->string);
322: n->child->string = buf;
1.15 schwarze 323: return(1);
324: }
325:
1.20 schwarze 326: free(n->child->string);
327: n->child->string = strdup(p);
328: if (NULL == n->child->string)
329: return(mdoc_nerr(m, n, EMALLOC));
330:
1.15 schwarze 331: return(1);
332: }
333:
334:
335: static int
336: post_st(POST_ARGS)
337: {
338: const char *p;
339:
1.20 schwarze 340: assert(MDOC_TEXT == n->child->type);
341: p = mdoc_a2st(n->child->string);
1.15 schwarze 342: assert(p);
1.20 schwarze 343: free(n->child->string);
344: n->child->string = strdup(p);
345: if (NULL == n->child->string)
346: return(mdoc_nerr(m, n, EMALLOC));
347:
1.15 schwarze 348: return(1);
349: }
350:
351:
352: static int
353: post_at(POST_ARGS)
354: {
1.20 schwarze 355: struct mdoc_node *nn;
356: const char *p;
1.15 schwarze 357:
1.20 schwarze 358: if (n->child) {
359: assert(MDOC_TEXT == n->child->type);
360: p = mdoc_a2att(n->child->string);
1.15 schwarze 361: assert(p);
1.20 schwarze 362: free(n->child->string);
363: n->child->string = strdup(p);
364: if (NULL == n->child->string)
365: return(mdoc_nerr(m, n, EMALLOC));
1.15 schwarze 366: return(1);
367: }
368:
1.20 schwarze 369: nn = n;
1.15 schwarze 370: m->next = MDOC_NEXT_CHILD;
371:
1.20 schwarze 372: if ( ! mdoc_word_alloc(m, nn->line, nn->pos, "AT&T UNIX"))
1.15 schwarze 373: return(0);
1.20 schwarze 374: m->last = nn;
1.15 schwarze 375:
376: return(1);
377: }
378:
379:
380: static int
1.1 kristaps 381: post_sh(POST_ARGS)
382: {
383: enum mdoc_sec sec;
384: char buf[64];
385:
386: /*
387: * We keep track of the current section /and/ the "named"
388: * section, which is one of the conventional ones, in order to
389: * check ordering.
390: */
391:
1.20 schwarze 392: if (MDOC_HEAD != n->type)
1.1 kristaps 393: return(1);
394:
395: buf[0] = 0;
1.20 schwarze 396: if ( ! concat(m, n->child, buf, sizeof(buf)))
1.1 kristaps 397: return(0);
398: if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
399: m->lastnamed = sec;
400:
401: switch ((m->lastsec = sec)) {
402: case (SEC_RETURN_VALUES):
403: /* FALLTHROUGH */
404: case (SEC_ERRORS):
405: switch (m->meta.msec) {
406: case (2):
407: /* FALLTHROUGH */
408: case (3):
409: /* FALLTHROUGH */
410: case (9):
411: break;
412: default:
1.20 schwarze 413: return(mdoc_nwarn(m, n, EBADSEC));
1.1 kristaps 414: }
415: break;
416: default:
417: break;
418: }
419: return(1);
420: }
421:
422:
423: static int
424: post_dt(POST_ARGS)
425: {
1.20 schwarze 426: struct mdoc_node *nn;
1.1 kristaps 427: const char *cp;
428: char *ep;
429: long lval;
430:
431: if (m->meta.title)
432: free(m->meta.title);
433: if (m->meta.vol)
434: free(m->meta.vol);
435: if (m->meta.arch)
436: free(m->meta.arch);
437:
438: m->meta.title = m->meta.vol = m->meta.arch = NULL;
439: m->meta.msec = 0;
440:
441: /* Handles: `.Dt'
442: * --> title = unknown, volume = local, msec = 0, arch = NULL
443: */
444:
1.20 schwarze 445: if (NULL == (nn = n->child)) {
1.1 kristaps 446: if (NULL == (m->meta.title = strdup("unknown")))
1.20 schwarze 447: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 448: if (NULL == (m->meta.vol = strdup("local")))
1.20 schwarze 449: return(mdoc_nerr(m, n, EMALLOC));
450: return(post_prol(m, n));
1.1 kristaps 451: }
452:
453: /* Handles: `.Dt TITLE'
454: * --> title = TITLE, volume = local, msec = 0, arch = NULL
455: */
456:
1.20 schwarze 457: if (NULL == (m->meta.title = strdup(nn->string)))
458: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 459:
1.20 schwarze 460: if (NULL == (nn = nn->next)) {
1.1 kristaps 461: if (NULL == (m->meta.vol = strdup("local")))
1.20 schwarze 462: return(mdoc_nerr(m, n, EMALLOC));
463: return(post_prol(m, n));
1.1 kristaps 464: }
465:
466: /* Handles: `.Dt TITLE SEC'
467: * --> title = TITLE, volume = SEC is msec ?
468: * format(msec) : SEC,
469: * msec = SEC is msec ? atoi(msec) : 0,
470: * arch = NULL
471: */
472:
1.20 schwarze 473: cp = mdoc_a2msec(nn->string);
1.1 kristaps 474: if (cp) {
475: if (NULL == (m->meta.vol = strdup(cp)))
1.20 schwarze 476: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 477: errno = 0;
1.20 schwarze 478: lval = strtol(nn->string, &ep, 10);
479: if (nn->string[0] != '\0' && *ep == '\0')
1.1 kristaps 480: m->meta.msec = (int)lval;
1.20 schwarze 481: } else if (NULL == (m->meta.vol = strdup(nn->string)))
482: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 483:
1.20 schwarze 484: if (NULL == (nn = nn->next))
485: return(post_prol(m, n));
1.1 kristaps 486:
487: /* Handles: `.Dt TITLE SEC VOL'
488: * --> title = TITLE, volume = VOL is vol ?
489: * format(VOL) :
490: * VOL is arch ? format(arch) :
491: * VOL
492: */
493:
1.20 schwarze 494: cp = mdoc_a2vol(nn->string);
1.1 kristaps 495: if (cp) {
496: free(m->meta.vol);
497: if (NULL == (m->meta.vol = strdup(cp)))
1.20 schwarze 498: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 499: } else {
1.20 schwarze 500: cp = mdoc_a2arch(nn->string);
1.1 kristaps 501: if (NULL == cp) {
502: free(m->meta.vol);
1.20 schwarze 503: if (NULL == (m->meta.vol = strdup(nn->string)))
504: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 505: } else if (NULL == (m->meta.arch = strdup(cp)))
1.20 schwarze 506: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 507: }
508:
509: /* Ignore any subsequent parameters... */
510:
1.20 schwarze 511: return(post_prol(m, n));
1.1 kristaps 512: }
513:
514:
515: static int
516: post_os(POST_ARGS)
517: {
518: char buf[64];
519: struct utsname utsname;
520:
521: if (m->meta.os)
522: free(m->meta.os);
523:
524: buf[0] = 0;
1.20 schwarze 525: if ( ! concat(m, n->child, buf, sizeof(buf)))
1.1 kristaps 526: return(0);
527:
528: if (0 == buf[0]) {
529: if (-1 == uname(&utsname))
1.20 schwarze 530: return(mdoc_nerr(m, n, EUTSNAME));
1.1 kristaps 531: if (strlcat(buf, utsname.sysname, 64) >= 64)
1.20 schwarze 532: return(mdoc_nerr(m, n, ETOOLONG));
1.1 kristaps 533: if (strlcat(buf, " ", 64) >= 64)
1.20 schwarze 534: return(mdoc_nerr(m, n, ETOOLONG));
1.1 kristaps 535: if (strlcat(buf, utsname.release, 64) >= 64)
1.20 schwarze 536: return(mdoc_nerr(m, n, ETOOLONG));
1.1 kristaps 537: }
538:
539: if (NULL == (m->meta.os = strdup(buf)))
1.20 schwarze 540: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 541:
1.20 schwarze 542: return(post_prol(m, n));
1.1 kristaps 543: }
544:
545:
546: /*
547: * Calculate the -width for a `Bl -tag' list if it hasn't been provided.
548: * Uses the first head macro.
549: */
550: static int
1.20 schwarze 551: post_bl_tagwidth(POST_ARGS)
1.1 kristaps 552: {
1.20 schwarze 553: struct mdoc_node *nn;
1.1 kristaps 554: int sz;
555: char buf[32];
556:
557: /*
558: * Use the text width, if a text node, or the default macro
559: * width if a macro.
560: */
561:
1.20 schwarze 562: nn = n->body->child;
563: if (nn) {
564: assert(MDOC_BLOCK == nn->type);
565: assert(MDOC_It == nn->tok);
566: nn = nn->head->child;
1.1 kristaps 567: }
568:
569: sz = 10; /* Default size. */
570:
1.20 schwarze 571: if (nn) {
572: if (MDOC_TEXT != nn->type) {
573: if (0 == (sz = (int)mdoc_macro2len(nn->tok)))
574: if ( ! mdoc_nwarn(m, n, ENOWIDTH))
1.1 kristaps 575: return(0);
576: } else
1.20 schwarze 577: sz = (int)strlen(nn->string) + 1;
1.1 kristaps 578: }
579:
580: if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
1.20 schwarze 581: return(mdoc_nerr(m, n, ENUMFMT));
1.1 kristaps 582:
583: /*
584: * We have to dynamically add this to the macro's argument list.
585: * We're guaranteed that a MDOC_Width doesn't already exist.
586: */
587:
1.20 schwarze 588: nn = n;
589: assert(nn->args);
590: sz = (int)(nn->args->argc)++;
1.1 kristaps 591:
1.20 schwarze 592: nn->args->argv = realloc(nn->args->argv,
593: nn->args->argc * sizeof(struct mdoc_argv));
1.1 kristaps 594:
1.20 schwarze 595: if (NULL == nn->args->argv)
596: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 597:
1.20 schwarze 598: nn->args->argv[sz].arg = MDOC_Width;
599: nn->args->argv[sz].line = n->line;
600: nn->args->argv[sz].pos = n->pos;
601: nn->args->argv[sz].sz = 1;
602: nn->args->argv[sz].value = calloc(1, sizeof(char *));
1.1 kristaps 603:
1.20 schwarze 604: if (NULL == nn->args->argv[sz].value)
605: return(mdoc_nerr(m, n, EMALLOC));
606: if (NULL == (nn->args->argv[sz].value[0] = strdup(buf)))
607: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 608:
609: return(1);
610: }
611:
612:
613: static int
1.20 schwarze 614: post_bl_width(POST_ARGS)
1.1 kristaps 615: {
616: size_t width;
617: int i, tok;
618: char buf[32];
619: char *p;
620:
1.20 schwarze 621: if (NULL == n->args)
1.1 kristaps 622: return(1);
623:
1.20 schwarze 624: for (i = 0; i < (int)n->args->argc; i++)
625: if (MDOC_Width == n->args->argv[i].arg)
1.1 kristaps 626: break;
627:
1.20 schwarze 628: if (i == (int)n->args->argc)
1.1 kristaps 629: return(1);
1.20 schwarze 630: p = n->args->argv[i].value[0];
1.1 kristaps 631:
632: /*
633: * If the value to -width is a macro, then we re-write it to be
634: * the macro's width as set in share/tmac/mdoc/doc-common.
635: */
636:
637: if (0 == strcmp(p, "Ds"))
1.9 schwarze 638: width = 6;
1.21 schwarze 639: else if (MDOC_MAX == (tok = mdoc_hash_find(p)))
1.1 kristaps 640: return(1);
641: else if (0 == (width = mdoc_macro2len(tok)))
1.20 schwarze 642: return(mdoc_nwarn(m, n, ENOWIDTH));
1.1 kristaps 643:
644: /* The value already exists: free and reallocate it. */
645:
646: if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
1.20 schwarze 647: return(mdoc_nerr(m, n, ENUMFMT));
1.1 kristaps 648:
1.20 schwarze 649: free(n->args->argv[i].value[0]);
650: n->args->argv[i].value[0] = strdup(buf);
651: if (NULL == n->args->argv[i].value[0])
652: return(mdoc_nerr(m, n, EMALLOC));
1.1 kristaps 653:
654: return(1);
655: }
656:
657:
1.20 schwarze 658: /* ARGSUSED */
1.1 kristaps 659: static int
1.6 schwarze 660: post_bl_head(POST_ARGS)
661: {
662: int i, c;
1.20 schwarze 663: struct mdoc_node *np, *nn, *nnp;
1.6 schwarze 664:
1.20 schwarze 665: if (NULL == n->child)
1.6 schwarze 666: return(1);
667:
1.20 schwarze 668: np = n->parent;
669: assert(np->args);
1.6 schwarze 670:
1.20 schwarze 671: for (c = 0; c < (int)np->args->argc; c++)
672: if (MDOC_Column == np->args->argv[c].arg)
1.6 schwarze 673: break;
674:
675: /* Only process -column. */
676:
1.20 schwarze 677: if (c == (int)np->args->argc)
1.6 schwarze 678: return(1);
679:
1.20 schwarze 680: assert(0 == np->args->argv[c].sz);
1.6 schwarze 681:
682: /*
683: * Accomodate for new-style groff column syntax. Shuffle the
684: * child nodes, all of which must be TEXT, as arguments for the
685: * column field. Then, delete the head children.
686: */
687:
1.20 schwarze 688: np->args->argv[c].sz = (size_t)n->nchild;
689: np->args->argv[c].value = malloc
690: ((size_t)n->nchild * sizeof(char *));
1.6 schwarze 691:
1.20 schwarze 692: for (i = 0, nn = n->child; nn; i++) {
693: np->args->argv[c].value[i] = nn->string;
1.6 schwarze 694: nn->string = NULL;
695: nnp = nn;
696: nn = nn->next;
697: mdoc_node_free(nnp);
698: }
699:
1.20 schwarze 700: n->nchild = 0;
701: n->child = NULL;
1.8 schwarze 702:
1.6 schwarze 703: return(1);
704: }
705:
706:
707: static int
1.1 kristaps 708: post_bl(POST_ARGS)
709: {
710: int i, r, len;
711:
1.20 schwarze 712: if (MDOC_HEAD == n->type)
713: return(post_bl_head(m, n));
714: if (MDOC_BLOCK != n->type)
1.1 kristaps 715: return(1);
716:
717: /*
718: * These are fairly complicated, so we've broken them into two
719: * functions. post_bl_tagwidth() is called when a -tag is
720: * specified, but no -width (it must be guessed). The second
721: * when a -width is specified (macro indicators must be
722: * rewritten into real lengths).
723: */
724:
1.20 schwarze 725: len = (int)(n->args ? n->args->argc : 0);
1.1 kristaps 726:
727: for (r = i = 0; i < len; i++) {
1.20 schwarze 728: if (MDOC_Tag == n->args->argv[i].arg)
1.1 kristaps 729: r |= 1 << 0;
1.20 schwarze 730: if (MDOC_Width == n->args->argv[i].arg)
1.1 kristaps 731: r |= 1 << 1;
732: }
733:
734: if (r & (1 << 0) && ! (r & (1 << 1))) {
1.20 schwarze 735: if ( ! post_bl_tagwidth(m, n))
1.1 kristaps 736: return(0);
737: } else if (r & (1 << 1))
1.20 schwarze 738: if ( ! post_bl_width(m, n))
1.1 kristaps 739: return(0);
740:
1.3 schwarze 741: return(1);
742: }
743:
744:
745: static int
1.17 schwarze 746: post_tilde(POST_ARGS)
1.3 schwarze 747: {
1.20 schwarze 748: struct mdoc_node *np;
1.3 schwarze 749:
1.20 schwarze 750: if (n->child)
1.3 schwarze 751: return(1);
752:
1.20 schwarze 753: np = n;
1.3 schwarze 754: m->next = MDOC_NEXT_CHILD;
1.15 schwarze 755:
1.17 schwarze 756: /* XXX: not documented for `Lk'. */
1.20 schwarze 757: if ( ! mdoc_word_alloc(m, n->line, n->pos, "~"))
1.3 schwarze 758: return(0);
1.20 schwarze 759: m->last = np;
1.3 schwarze 760:
1.1 kristaps 761: return(1);
762: }
763:
764:
765: static int
766: post_ar(POST_ARGS)
767: {
1.20 schwarze 768: struct mdoc_node *np;
1.1 kristaps 769:
1.20 schwarze 770: if (n->child)
1.1 kristaps 771: return(1);
772:
1.20 schwarze 773: np = n;
1.1 kristaps 774: m->next = MDOC_NEXT_CHILD;
1.20 schwarze 775: if ( ! mdoc_word_alloc(m, n->line, n->pos, "file"))
1.1 kristaps 776: return(0);
1.20 schwarze 777: if ( ! mdoc_word_alloc(m, n->line, n->pos, "..."))
1.1 kristaps 778: return(0);
1.20 schwarze 779: m->last = np;
1.1 kristaps 780:
781: return(1);
782: }
783:
784:
785: static int
786: post_dd(POST_ARGS)
787: {
788: char buf[64];
789:
790: buf[0] = 0;
1.20 schwarze 791: if ( ! concat(m, n->child, buf, sizeof(buf)))
1.1 kristaps 792: return(0);
793:
794: if (0 == (m->meta.date = mdoc_atotime(buf))) {
1.20 schwarze 795: if ( ! mdoc_nwarn(m, n, EBADDATE))
1.1 kristaps 796: return(0);
797: m->meta.date = time(NULL);
798: }
799:
1.20 schwarze 800: return(post_prol(m, n));
1.1 kristaps 801: }
802:
803:
804: static int
805: post_prol(POST_ARGS)
806: {
1.20 schwarze 807: struct mdoc_node *np;
1.1 kristaps 808:
1.20 schwarze 809: /* Remove prologue macros from AST. */
1.1 kristaps 810:
1.20 schwarze 811: if (n->parent->child == n)
812: n->parent->child = n->prev;
813: if (n->prev)
814: n->prev->next = NULL;
1.1 kristaps 815:
1.20 schwarze 816: np = n;
817: assert(NULL == n->next);
1.1 kristaps 818:
1.20 schwarze 819: if (n->prev) {
820: m->last = n->prev;
1.1 kristaps 821: m->next = MDOC_NEXT_SIBLING;
822: } else {
1.20 schwarze 823: m->last = n->parent;
1.1 kristaps 824: m->next = MDOC_NEXT_CHILD;
825: }
826:
1.20 schwarze 827: mdoc_node_freelist(np);
1.18 schwarze 828:
829: if (m->meta.title && m->meta.date && m->meta.os)
830: m->flags |= MDOC_PBODY;
1.20 schwarze 831:
1.1 kristaps 832: return(1);
833: }
834:
835:
836: static int
837: pre_dl(PRE_ARGS)
838: {
839:
1.7 schwarze 840: if (MDOC_BODY == n->type)
841: m->flags |= MDOC_LITERAL;
1.1 kristaps 842: return(1);
843: }
844:
845:
846: static int
1.22 schwarze 847: pre_offset(PRE_ARGS)
848: {
849: int i;
850:
851: /*
852: * Make sure that an empty offset produces an 8n length space as
853: * stipulated by mdoc.samples.
854: */
855:
856: assert(n->args);
857: for (i = 0; i < (int)n->args->argc; i++) {
858: if (MDOC_Offset != n->args->argv[i].arg)
859: continue;
860: if (n->args->argv[i].sz)
861: break;
862: assert(1 == n->args->refcnt);
863: /* If no value set, length of <string>. */
864: n->args->argv[i].value =
865: calloc(1, sizeof(char *));
866: if (NULL == n->args->argv[i].value)
867: return(mdoc_nerr(m, n, EMALLOC));
868: n->args->argv[i].sz++;
869: n->args->argv[i].value[0] = strdup("8n");
870: if (NULL == n->args->argv[i].value[0])
871: return(mdoc_nerr(m, n, EMALLOC));
872: break;
873: }
874:
875: return(1);
876: }
877:
878:
879: static int
880: pre_bl(PRE_ARGS)
881: {
882:
883: return(MDOC_BLOCK == n->type ? pre_offset(m, n) : 1);
884: }
885:
886:
887: static int
1.1 kristaps 888: pre_bd(PRE_ARGS)
889: {
890: int i;
891:
1.22 schwarze 892: if (MDOC_BLOCK == n->type)
893: return(pre_offset(m, n));
1.1 kristaps 894: if (MDOC_BODY != n->type)
895: return(1);
896:
1.19 schwarze 897: /* Enter literal context if `Bd -literal' or `-unfilled'. */
898:
1.1 kristaps 899: for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
900: if (MDOC_Literal == n->args->argv[i].arg)
1.22 schwarze 901: m->flags |= MDOC_LITERAL;
1.1 kristaps 902: else if (MDOC_Unfilled == n->args->argv[i].arg)
1.22 schwarze 903: m->flags |= MDOC_LITERAL;
1.1 kristaps 904:
905: return(1);
906: }
907:
908:
909: static int
910: post_display(POST_ARGS)
911: {
912:
1.20 schwarze 913: if (MDOC_BODY == n->type)
1.1 kristaps 914: m->flags &= ~MDOC_LITERAL;
915: return(1);
916: }
917:
918:
1.23 ! schwarze 919: static inline int
! 920: order_rs(int t)
! 921: {
! 922: int i;
! 923:
! 924: for (i = 0; i < RSORD_MAX; i++)
! 925: if (rsord[i] == t)
! 926: return(i);
! 927:
! 928: abort();
! 929: /* NOTREACHED */
! 930: }
! 931:
! 932:
! 933: /* ARGSUSED */
! 934: static int
! 935: post_rs(POST_ARGS)
! 936: {
! 937: struct mdoc_node *nn, *next, *prev;
! 938: int o;
! 939:
! 940: if (MDOC_BLOCK != n->type)
! 941: return(1);
! 942:
! 943: assert(n->body->child);
! 944: for (next = NULL, nn = n->body->child->next; nn; nn = next) {
! 945: o = order_rs(nn->tok);
! 946:
! 947: /* Remove `nn' from the chain. */
! 948: next = nn->next;
! 949: if (next)
! 950: next->prev = nn->prev;
! 951:
! 952: prev = nn->prev;
! 953: if (prev)
! 954: prev->next = nn->next;
! 955:
! 956: nn->prev = nn->next = NULL;
! 957:
! 958: /*
! 959: * Scan back until we reach a node that's ordered before
! 960: * us, then set ourselves as being the next.
! 961: */
! 962: for ( ; prev; prev = prev->prev)
! 963: if (order_rs(prev->tok) <= o)
! 964: break;
! 965:
! 966: nn->prev = prev;
! 967: if (prev) {
! 968: if (prev->next)
! 969: prev->next->prev = nn;
! 970: nn->next = prev->next;
! 971: prev->next = nn;
! 972: continue;
! 973: }
! 974:
! 975: n->body->child->prev = nn;
! 976: nn->next = n->body->child;
! 977: n->body->child = nn;
! 978: }
! 979: return(1);
! 980: }
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