Annotation of mandoc/mdoc.c, Revision 1.49
1.49 ! kristaps 1: /* $Id: mdoc.c,v 1.48 2009/02/23 12:45:19 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include <assert.h>
20: #include <ctype.h>
21: #include <err.h>
22: #include <stdarg.h>
23: #include <stdlib.h>
24: #include <stdio.h>
25: #include <string.h>
26:
27: #include "private.h"
28:
1.41 kristaps 29: /*
30: * Main caller in the libmdoc library. This begins the parsing routine,
31: * handles allocation of data, and so forth. Most of the "work" is done
1.48 kristaps 32: * in macro.c and validate.c.
1.41 kristaps 33: */
34:
1.48 kristaps 35: static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *);
36: static void argfree(size_t, struct mdoc_arg *);
37: static void argcpy(struct mdoc_arg *,
38: const struct mdoc_arg *);
39:
40: static struct mdoc_node *mdoc_node_alloc(const struct mdoc *);
41: static int mdoc_node_append(struct mdoc *,
42: struct mdoc_node *);
43: static void mdoc_elem_free(struct mdoc_elem *);
44: static void mdoc_text_free(struct mdoc_text *);
45:
46:
1.1 kristaps 47: const char *const __mdoc_macronames[MDOC_MAX] = {
48: "\\\"", "Dd", "Dt", "Os",
49: "Sh", "Ss", "Pp", "D1",
50: "Dl", "Bd", "Ed", "Bl",
51: "El", "It", "Ad", "An",
52: "Ar", "Cd", "Cm", "Dv",
53: "Er", "Ev", "Ex", "Fa",
54: "Fd", "Fl", "Fn", "Ft",
55: "Ic", "In", "Li", "Nd",
56: "Nm", "Op", "Ot", "Pa",
57: "Rv", "St", "Va", "Vt",
58: /* LINTED */
59: "Xr", "\%A", "\%B", "\%D",
60: /* LINTED */
61: "\%I", "\%J", "\%N", "\%O",
62: /* LINTED */
63: "\%P", "\%R", "\%T", "\%V",
64: "Ac", "Ao", "Aq", "At",
65: "Bc", "Bf", "Bo", "Bq",
66: "Bsx", "Bx", "Db", "Dc",
67: "Do", "Dq", "Ec", "Ef",
68: "Em", "Eo", "Fx", "Ms",
69: "No", "Ns", "Nx", "Ox",
70: "Pc", "Pf", "Po", "Pq",
71: "Qc", "Ql", "Qo", "Qq",
72: "Re", "Rs", "Sc", "So",
73: "Sq", "Sm", "Sx", "Sy",
74: "Tn", "Ux", "Xc", "Xo",
75: "Fo", "Fc", "Oo", "Oc",
76: "Bk", "Ek", "Bt", "Hf",
77: "Fr", "Ud",
78: };
79:
80: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
81: "split", "nosplit", "ragged",
82: "unfilled", "literal", "file",
83: "offset", "bullet", "dash",
84: "hyphen", "item", "enum",
85: "tag", "diag", "hang",
86: "ohang", "inset", "column",
87: "width", "compact", "std",
88: "p1003.1-88", "p1003.1-90", "p1003.1-96",
89: "p1003.1-2001", "p1003.1-2004", "p1003.1",
90: "p1003.1b", "p1003.1b-93", "p1003.1c-95",
91: "p1003.1g-2000", "p1003.2-92", "p1387.2-95",
92: "p1003.2", "p1387.2", "isoC-90",
93: "isoC-amd1", "isoC-tcor1", "isoC-tcor2",
94: "isoC-99", "ansiC", "ansiC-89",
95: "ansiC-99", "ieee754", "iso8802-3",
96: "xpg3", "xpg4", "xpg4.2",
97: "xpg4.3", "xbd5", "xcu5",
98: "xsh5", "xns5", "xns5.2d2.0",
99: "xcurses4.2", "susv2", "susv3",
100: "svid4", "filled", "words",
1.14 kristaps 101: "emphasis", "symbolic",
1.1 kristaps 102: };
103:
104: const char * const *mdoc_macronames = __mdoc_macronames;
105: const char * const *mdoc_argnames = __mdoc_argnames;
106:
1.45 kristaps 107:
1.1 kristaps 108: const struct mdoc_node *
1.47 kristaps 109: mdoc_node(const struct mdoc *mdoc)
1.1 kristaps 110: {
111:
112: return(mdoc->first);
113: }
114:
115:
1.37 kristaps 116: const struct mdoc_meta *
1.47 kristaps 117: mdoc_meta(const struct mdoc *mdoc)
1.37 kristaps 118: {
119:
120: return(&mdoc->meta);
121: }
122:
123:
1.1 kristaps 124: void
1.38 kristaps 125: mdoc_free(struct mdoc *mdoc)
1.34 kristaps 126: {
127:
1.38 kristaps 128: if (mdoc->first)
129: mdoc_node_freelist(mdoc->first);
130: if (mdoc->htab)
131: mdoc_tokhash_free(mdoc->htab);
1.34 kristaps 132: if (mdoc->meta.title)
133: free(mdoc->meta.title);
134: if (mdoc->meta.os)
135: free(mdoc->meta.os);
136: if (mdoc->meta.name)
137: free(mdoc->meta.name);
138:
1.1 kristaps 139: free(mdoc);
140: }
141:
142:
143: struct mdoc *
144: mdoc_alloc(void *data, const struct mdoc_cb *cb)
145: {
146: struct mdoc *p;
147:
148: p = xcalloc(1, sizeof(struct mdoc));
149:
150: p->data = data;
1.33 kristaps 151: if (cb)
152: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
1.1 kristaps 153:
1.25 kristaps 154: p->last = xcalloc(1, sizeof(struct mdoc_node));
155: p->last->type = MDOC_ROOT;
156: p->first = p->last;
157:
158: p->next = MDOC_NEXT_CHILD;
1.4 kristaps 159: p->htab = mdoc_tokhash_alloc();
1.25 kristaps 160:
1.1 kristaps 161: return(p);
162: }
163:
164:
165: int
1.20 kristaps 166: mdoc_endparse(struct mdoc *mdoc)
167: {
168:
169: if (MDOC_HALT & mdoc->flags)
170: return(0);
171: if (NULL == mdoc->first)
172: return(1);
173:
174: assert(mdoc->last);
175: if ( ! macro_end(mdoc)) {
176: mdoc->flags |= MDOC_HALT;
177: return(0);
178: }
179: return(1);
180: }
181:
182:
183: int
184: mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
1.1 kristaps 185: {
186: int c, i;
187: char tmp[5];
188:
1.20 kristaps 189: if (MDOC_HALT & mdoc->flags)
190: return(0);
191:
1.39 kristaps 192: mdoc->linetok = 0;
193:
1.49 ! kristaps 194: /*
! 195: * FIXME: should puke on whitespace in non-literal displays.
! 196: */
! 197:
1.5 kristaps 198: if ('.' != *buf) {
1.44 kristaps 199: if (SEC_PROLOGUE == mdoc->lastnamed)
1.49 ! kristaps 200: return(mdoc_perr(mdoc, line, 0,
! 201: "no text in document prologue"));
1.39 kristaps 202: if ( ! mdoc_word_alloc(mdoc, line, 0, buf))
203: return(0);
204: mdoc->next = MDOC_NEXT_SIBLING;
205: return(1);
1.1 kristaps 206: }
207:
208: if (buf[1] && '\\' == buf[1])
209: if (buf[2] && '\"' == buf[2])
210: return(1);
211:
212: i = 1;
1.42 kristaps 213: while (buf[i] && ! isspace((int)buf[i]) && i < (int)sizeof(tmp))
1.1 kristaps 214: i++;
215:
1.20 kristaps 216: if (i == (int)sizeof(tmp)) {
217: mdoc->flags |= MDOC_HALT;
1.31 kristaps 218: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 219: } else if (i <= 2) {
220: mdoc->flags |= MDOC_HALT;
1.31 kristaps 221: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 222: }
1.1 kristaps 223:
224: i--;
225:
1.2 kristaps 226: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 227: tmp[i++] = 0;
228:
1.20 kristaps 229: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
230: mdoc->flags |= MDOC_HALT;
1.31 kristaps 231: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 232: }
1.1 kristaps 233:
1.42 kristaps 234: while (buf[i] && isspace((int)buf[i]))
1.1 kristaps 235: i++;
236:
1.21 kristaps 237: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 238: mdoc->flags |= MDOC_HALT;
239: return(0);
240: }
241: return(1);
1.1 kristaps 242: }
243:
244:
245: void
1.31 kristaps 246: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 247: {
1.31 kristaps 248: char buf[256];
1.23 kristaps 249: va_list ap;
1.1 kristaps 250:
251: if (NULL == mdoc->cb.mdoc_msg)
252: return;
253:
254: va_start(ap, fmt);
1.31 kristaps 255: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 256: va_end(ap);
1.31 kristaps 257: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 258: }
259:
260:
261: int
1.31 kristaps 262: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
263: const char *fmt, ...)
1.1 kristaps 264: {
1.31 kristaps 265: char buf[256];
266: va_list ap;
1.1 kristaps 267:
268: if (NULL == mdoc->cb.mdoc_err)
269: return(0);
1.31 kristaps 270:
271: va_start(ap, fmt);
272: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
273: va_end(ap);
274: return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 275: }
276:
277:
278: int
1.31 kristaps 279: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
280: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 281: {
1.31 kristaps 282: char buf[256];
283: va_list ap;
1.1 kristaps 284:
285: if (NULL == mdoc->cb.mdoc_warn)
286: return(0);
1.31 kristaps 287:
288: va_start(ap, fmt);
289: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
290: va_end(ap);
291: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 292: }
293:
294:
295: int
1.21 kristaps 296: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 kristaps 297: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 298: {
299:
1.31 kristaps 300: assert(mdoc_macros[tok].fp);
301:
1.44 kristaps 302: if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
303: SEC_PROLOGUE != mdoc->lastnamed)
304: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document body"));
305: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
306: SEC_PROLOGUE == mdoc->lastnamed)
307: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document prologue"));
1.23 kristaps 308: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.31 kristaps 309: return(mdoc_perr(mdoc, ln, ppos, "macro not callable"));
1.23 kristaps 310: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 311: }
312:
313:
1.23 kristaps 314: static int
315: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 316: {
1.30 kristaps 317: const char *nn, *nt, *on, *ot, *act;
1.1 kristaps 318:
1.25 kristaps 319: assert(mdoc->last);
320: assert(mdoc->first);
321: assert(MDOC_ROOT != p->type);
1.1 kristaps 322:
1.39 kristaps 323: /* See if we exceed the suggest line-max. */
324:
325: switch (p->type) {
326: case (MDOC_TEXT):
327: /* FALLTHROUGH */
328: case (MDOC_ELEM):
329: /* FALLTHROUGH */
330: case (MDOC_BLOCK):
331: mdoc->linetok++;
332: break;
333: default:
334: break;
335: }
336:
1.40 kristaps 337: /* This sort-of works (re-opening of text macros...). */
1.39 kristaps 338: if (mdoc->linetok > MDOC_LINEARG_SOFTMAX)
339: if ( ! mdoc_nwarn(mdoc, p, WARN_COMPAT,
340: "suggested %d tokens per line exceeded (has %d)",
341: MDOC_LINEARG_SOFTMAX, mdoc->linetok))
342: return(0);
343:
1.27 kristaps 344: if (MDOC_TEXT == mdoc->last->type)
345: on = "<text>";
346: else if (MDOC_ROOT == mdoc->last->type)
347: on = "<root>";
348: else
349: on = mdoc_macronames[mdoc->last->tok];
350:
1.30 kristaps 351: if (MDOC_TEXT == p->type)
352: nn = "<text>";
353: else if (MDOC_ROOT == p->type)
354: nn = "<root>";
355: else
356: nn = mdoc_macronames[p->tok];
357:
358: ot = mdoc_type2a(mdoc->last->type);
359: nt = mdoc_type2a(p->type);
1.1 kristaps 360:
1.13 kristaps 361: switch (mdoc->next) {
362: case (MDOC_NEXT_SIBLING):
1.6 kristaps 363: mdoc->last->next = p;
364: p->prev = mdoc->last;
1.13 kristaps 365: p->parent = mdoc->last->parent;
1.6 kristaps 366: act = "sibling";
1.1 kristaps 367: break;
1.13 kristaps 368: case (MDOC_NEXT_CHILD):
369: mdoc->last->child = p;
1.1 kristaps 370: p->parent = mdoc->last;
371: act = "child";
372: break;
373: default:
1.13 kristaps 374: abort();
375: /* NOTREACHED */
1.1 kristaps 376: }
377:
1.23 kristaps 378: if ( ! mdoc_valid_pre(mdoc, p))
379: return(0);
1.27 kristaps 380:
381: switch (p->type) {
382: case (MDOC_HEAD):
383: assert(MDOC_BLOCK == p->parent->type);
384: p->parent->data.block.head = p;
385: break;
386: case (MDOC_TAIL):
387: assert(MDOC_BLOCK == p->parent->type);
388: p->parent->data.block.tail = p;
389: break;
390: case (MDOC_BODY):
391: assert(MDOC_BLOCK == p->parent->type);
392: p->parent->data.block.body = p;
393: break;
394: default:
395: break;
396: }
397:
1.1 kristaps 398: mdoc->last = p;
1.30 kristaps 399: mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'",
400: nt, nn, act, ot, on);
1.23 kristaps 401: return(1);
1.1 kristaps 402: }
403:
404:
1.45 kristaps 405: static struct mdoc_node *
1.46 kristaps 406: mdoc_node_alloc(const struct mdoc *mdoc)
1.45 kristaps 407: {
1.46 kristaps 408: struct mdoc_node *p;
409:
410: p = xcalloc(1, sizeof(struct mdoc_node));
411: p->sec = mdoc->lastsec;
1.45 kristaps 412:
1.46 kristaps 413: return(p);
1.45 kristaps 414: }
415:
416:
1.23 kristaps 417: int
1.22 kristaps 418: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 419: {
420: struct mdoc_node *p;
421:
422: assert(mdoc->first);
423: assert(mdoc->last);
424:
1.46 kristaps 425: p = mdoc_node_alloc(mdoc);
1.17 kristaps 426:
1.22 kristaps 427: p->line = line;
428: p->pos = pos;
1.17 kristaps 429: p->type = MDOC_TAIL;
1.27 kristaps 430: p->tok = tok;
1.17 kristaps 431:
1.23 kristaps 432: return(mdoc_node_append(mdoc, p));
1.17 kristaps 433: }
434:
435:
1.23 kristaps 436: int
1.22 kristaps 437: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 438: {
439: struct mdoc_node *p;
440:
441: assert(mdoc->first);
442: assert(mdoc->last);
443:
1.46 kristaps 444: p = mdoc_node_alloc(mdoc);
1.13 kristaps 445:
1.22 kristaps 446: p->line = line;
447: p->pos = pos;
1.1 kristaps 448: p->type = MDOC_HEAD;
1.27 kristaps 449: p->tok = tok;
1.1 kristaps 450:
1.23 kristaps 451: return(mdoc_node_append(mdoc, p));
1.1 kristaps 452: }
453:
454:
1.23 kristaps 455: int
1.22 kristaps 456: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 457: {
458: struct mdoc_node *p;
459:
460: assert(mdoc->first);
461: assert(mdoc->last);
462:
1.46 kristaps 463: p = mdoc_node_alloc(mdoc);
1.1 kristaps 464:
1.22 kristaps 465: p->line = line;
466: p->pos = pos;
1.1 kristaps 467: p->type = MDOC_BODY;
1.27 kristaps 468: p->tok = tok;
1.1 kristaps 469:
1.23 kristaps 470: return(mdoc_node_append(mdoc, p));
1.1 kristaps 471: }
472:
473:
1.23 kristaps 474: int
1.25 kristaps 475: mdoc_root_alloc(struct mdoc *mdoc)
476: {
477: struct mdoc_node *p;
478:
1.46 kristaps 479: p = mdoc_node_alloc(mdoc);
1.25 kristaps 480:
481: p->type = MDOC_ROOT;
482:
483: return(mdoc_node_append(mdoc, p));
484: }
485:
486:
487: int
1.22 kristaps 488: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
489: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 490: {
491: struct mdoc_node *p;
492:
1.46 kristaps 493: p = mdoc_node_alloc(mdoc);
1.1 kristaps 494:
1.22 kristaps 495: p->pos = pos;
496: p->line = line;
1.1 kristaps 497: p->type = MDOC_BLOCK;
1.27 kristaps 498: p->tok = tok;
1.1 kristaps 499: p->data.block.argc = argsz;
500: p->data.block.argv = argdup(argsz, args);
501:
1.23 kristaps 502: return(mdoc_node_append(mdoc, p));
1.1 kristaps 503: }
504:
505:
1.23 kristaps 506: int
1.22 kristaps 507: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
508: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 509: {
510: struct mdoc_node *p;
511:
1.46 kristaps 512: p = mdoc_node_alloc(mdoc);
1.22 kristaps 513:
514: p->line = line;
515: p->pos = pos;
1.1 kristaps 516: p->type = MDOC_ELEM;
1.27 kristaps 517: p->tok = tok;
1.1 kristaps 518: p->data.elem.argc = argsz;
519: p->data.elem.argv = argdup(argsz, args);
520:
1.23 kristaps 521: return(mdoc_node_append(mdoc, p));
1.1 kristaps 522: }
523:
524:
1.23 kristaps 525: int
1.22 kristaps 526: mdoc_word_alloc(struct mdoc *mdoc,
527: int line, int pos, const char *word)
1.1 kristaps 528: {
529: struct mdoc_node *p;
530:
1.46 kristaps 531: p = mdoc_node_alloc(mdoc);
1.45 kristaps 532:
1.22 kristaps 533: p->line = line;
534: p->pos = pos;
1.1 kristaps 535: p->type = MDOC_TEXT;
536: p->data.text.string = xstrdup(word);
537:
1.23 kristaps 538: return(mdoc_node_append(mdoc, p));
1.1 kristaps 539: }
540:
541:
542: static void
543: argfree(size_t sz, struct mdoc_arg *p)
544: {
1.2 kristaps 545: int i, j;
1.1 kristaps 546:
547: if (0 == sz)
548: return;
549:
550: assert(p);
1.2 kristaps 551: /* LINTED */
552: for (i = 0; i < (int)sz; i++)
1.1 kristaps 553: if (p[i].sz > 0) {
554: assert(p[i].value);
1.2 kristaps 555: /* LINTED */
556: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 557: free(p[i].value[j]);
1.19 kristaps 558: free(p[i].value);
1.1 kristaps 559: }
560: free(p);
561: }
562:
563:
564: static void
565: mdoc_elem_free(struct mdoc_elem *p)
566: {
567:
568: argfree(p->argc, p->argv);
569: }
570:
571:
572: static void
573: mdoc_block_free(struct mdoc_block *p)
574: {
575:
576: argfree(p->argc, p->argv);
577: }
578:
579:
580: static void
581: mdoc_text_free(struct mdoc_text *p)
582: {
583:
584: if (p->string)
585: free(p->string);
586: }
587:
588:
589: void
590: mdoc_node_free(struct mdoc_node *p)
591: {
592:
593: switch (p->type) {
594: case (MDOC_TEXT):
595: mdoc_text_free(&p->data.text);
596: break;
597: case (MDOC_ELEM):
598: mdoc_elem_free(&p->data.elem);
599: break;
600: case (MDOC_BLOCK):
601: mdoc_block_free(&p->data.block);
602: break;
603: default:
604: break;
605: }
606:
607: free(p);
608: }
609:
610:
1.37 kristaps 611: void
1.1 kristaps 612: mdoc_node_freelist(struct mdoc_node *p)
613: {
614:
615: if (p->child)
616: mdoc_node_freelist(p->child);
617: if (p->next)
618: mdoc_node_freelist(p->next);
619:
620: mdoc_node_free(p);
621: }
622:
623:
624: int
625: mdoc_find(const struct mdoc *mdoc, const char *key)
626: {
627:
1.4 kristaps 628: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 629: }
630:
631:
632: static void
633: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
634: {
1.2 kristaps 635: int i;
1.1 kristaps 636:
1.26 kristaps 637: dst->line = src->line;
638: dst->pos = src->pos;
1.1 kristaps 639: dst->arg = src->arg;
640: if (0 == (dst->sz = src->sz))
641: return;
642: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 643: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 644: dst->value[i] = xstrdup(src->value[i]);
645: }
646:
647:
648: static struct mdoc_arg *
649: argdup(size_t argsz, const struct mdoc_arg *args)
650: {
651: struct mdoc_arg *pp;
1.2 kristaps 652: int i;
1.1 kristaps 653:
654: if (0 == argsz)
655: return(NULL);
656:
657: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 658: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 659: argcpy(&pp[i], &args[i]);
660:
661: return(pp);
662: }
663:
1.35 kristaps 664:
1.36 kristaps 665: /* FIXME: deprecate. */
1.35 kristaps 666: char *
667: mdoc_node2a(struct mdoc_node *node)
668: {
669: static char buf[64];
670:
671: assert(node);
672:
673: buf[0] = 0;
674: (void)xstrlcat(buf, mdoc_type2a(node->type), 64);
675: if (MDOC_ROOT == node->type)
676: return(buf);
677: (void)xstrlcat(buf, " `", 64);
678: if (MDOC_TEXT == node->type)
679: (void)xstrlcat(buf, node->data.text.string, 64);
680: else
681: (void)xstrlcat(buf, mdoc_macronames[node->tok], 64);
1.36 kristaps 682: (void)xstrlcat(buf, "'", 64);
1.35 kristaps 683:
684: return(buf);
685: }
686:
687:
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