Annotation of mandoc/mdoc.c, Revision 1.48
1.48 ! kristaps 1: /* $Id: mdoc.c,v 1.47 2009/02/22 22:58:39 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:
1.5 kristaps 194: if ('.' != *buf) {
1.44 kristaps 195: if (SEC_PROLOGUE == mdoc->lastnamed)
196: return(mdoc_perr(mdoc, line, 0, "text disallowed in document prologue"));
1.39 kristaps 197: if ( ! mdoc_word_alloc(mdoc, line, 0, buf))
198: return(0);
199: mdoc->next = MDOC_NEXT_SIBLING;
200: return(1);
1.1 kristaps 201: }
202:
203: if (buf[1] && '\\' == buf[1])
204: if (buf[2] && '\"' == buf[2])
205: return(1);
206:
207: i = 1;
1.42 kristaps 208: while (buf[i] && ! isspace((int)buf[i]) && i < (int)sizeof(tmp))
1.1 kristaps 209: i++;
210:
1.20 kristaps 211: if (i == (int)sizeof(tmp)) {
212: mdoc->flags |= MDOC_HALT;
1.31 kristaps 213: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 214: } else if (i <= 2) {
215: mdoc->flags |= MDOC_HALT;
1.31 kristaps 216: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 217: }
1.1 kristaps 218:
219: i--;
220:
1.2 kristaps 221: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 222: tmp[i++] = 0;
223:
1.20 kristaps 224: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
225: mdoc->flags |= MDOC_HALT;
1.31 kristaps 226: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 227: }
1.1 kristaps 228:
1.42 kristaps 229: while (buf[i] && isspace((int)buf[i]))
1.1 kristaps 230: i++;
231:
1.21 kristaps 232: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 233: mdoc->flags |= MDOC_HALT;
234: return(0);
235: }
236: return(1);
1.1 kristaps 237: }
238:
239:
240: void
1.31 kristaps 241: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 242: {
1.31 kristaps 243: char buf[256];
1.23 kristaps 244: va_list ap;
1.1 kristaps 245:
246: if (NULL == mdoc->cb.mdoc_msg)
247: return;
248:
249: va_start(ap, fmt);
1.31 kristaps 250: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 251: va_end(ap);
1.31 kristaps 252: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 253: }
254:
255:
256: int
1.31 kristaps 257: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
258: const char *fmt, ...)
1.1 kristaps 259: {
1.31 kristaps 260: char buf[256];
261: va_list ap;
1.1 kristaps 262:
263: if (NULL == mdoc->cb.mdoc_err)
264: return(0);
1.31 kristaps 265:
266: va_start(ap, fmt);
267: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
268: va_end(ap);
269: return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 270: }
271:
272:
273: int
1.31 kristaps 274: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
275: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 276: {
1.31 kristaps 277: char buf[256];
278: va_list ap;
1.1 kristaps 279:
280: if (NULL == mdoc->cb.mdoc_warn)
281: return(0);
1.31 kristaps 282:
283: va_start(ap, fmt);
284: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
285: va_end(ap);
286: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 287: }
288:
289:
290: int
1.21 kristaps 291: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 kristaps 292: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 293: {
294:
1.31 kristaps 295: assert(mdoc_macros[tok].fp);
296:
1.44 kristaps 297: if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
298: SEC_PROLOGUE != mdoc->lastnamed)
299: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document body"));
300: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
301: SEC_PROLOGUE == mdoc->lastnamed)
302: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document prologue"));
1.23 kristaps 303: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.31 kristaps 304: return(mdoc_perr(mdoc, ln, ppos, "macro not callable"));
1.23 kristaps 305: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 306: }
307:
308:
1.23 kristaps 309: static int
310: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 311: {
1.30 kristaps 312: const char *nn, *nt, *on, *ot, *act;
1.1 kristaps 313:
1.25 kristaps 314: assert(mdoc->last);
315: assert(mdoc->first);
316: assert(MDOC_ROOT != p->type);
1.1 kristaps 317:
1.39 kristaps 318: /* See if we exceed the suggest line-max. */
319:
320: switch (p->type) {
321: case (MDOC_TEXT):
322: /* FALLTHROUGH */
323: case (MDOC_ELEM):
324: /* FALLTHROUGH */
325: case (MDOC_BLOCK):
326: mdoc->linetok++;
327: break;
328: default:
329: break;
330: }
331:
1.40 kristaps 332: /* This sort-of works (re-opening of text macros...). */
1.39 kristaps 333: if (mdoc->linetok > MDOC_LINEARG_SOFTMAX)
334: if ( ! mdoc_nwarn(mdoc, p, WARN_COMPAT,
335: "suggested %d tokens per line exceeded (has %d)",
336: MDOC_LINEARG_SOFTMAX, mdoc->linetok))
337: return(0);
338:
1.27 kristaps 339: if (MDOC_TEXT == mdoc->last->type)
340: on = "<text>";
341: else if (MDOC_ROOT == mdoc->last->type)
342: on = "<root>";
343: else
344: on = mdoc_macronames[mdoc->last->tok];
345:
1.30 kristaps 346: if (MDOC_TEXT == p->type)
347: nn = "<text>";
348: else if (MDOC_ROOT == p->type)
349: nn = "<root>";
350: else
351: nn = mdoc_macronames[p->tok];
352:
353: ot = mdoc_type2a(mdoc->last->type);
354: nt = mdoc_type2a(p->type);
1.1 kristaps 355:
1.13 kristaps 356: switch (mdoc->next) {
357: case (MDOC_NEXT_SIBLING):
1.6 kristaps 358: mdoc->last->next = p;
359: p->prev = mdoc->last;
1.13 kristaps 360: p->parent = mdoc->last->parent;
1.6 kristaps 361: act = "sibling";
1.1 kristaps 362: break;
1.13 kristaps 363: case (MDOC_NEXT_CHILD):
364: mdoc->last->child = p;
1.1 kristaps 365: p->parent = mdoc->last;
366: act = "child";
367: break;
368: default:
1.13 kristaps 369: abort();
370: /* NOTREACHED */
1.1 kristaps 371: }
372:
1.23 kristaps 373: if ( ! mdoc_valid_pre(mdoc, p))
374: return(0);
1.27 kristaps 375:
376: switch (p->type) {
377: case (MDOC_HEAD):
378: assert(MDOC_BLOCK == p->parent->type);
379: p->parent->data.block.head = p;
380: break;
381: case (MDOC_TAIL):
382: assert(MDOC_BLOCK == p->parent->type);
383: p->parent->data.block.tail = p;
384: break;
385: case (MDOC_BODY):
386: assert(MDOC_BLOCK == p->parent->type);
387: p->parent->data.block.body = p;
388: break;
389: default:
390: break;
391: }
392:
1.1 kristaps 393: mdoc->last = p;
1.30 kristaps 394: mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'",
395: nt, nn, act, ot, on);
1.23 kristaps 396: return(1);
1.1 kristaps 397: }
398:
399:
1.45 kristaps 400: static struct mdoc_node *
1.46 kristaps 401: mdoc_node_alloc(const struct mdoc *mdoc)
1.45 kristaps 402: {
1.46 kristaps 403: struct mdoc_node *p;
404:
405: p = xcalloc(1, sizeof(struct mdoc_node));
406: p->sec = mdoc->lastsec;
1.45 kristaps 407:
1.46 kristaps 408: return(p);
1.45 kristaps 409: }
410:
411:
1.23 kristaps 412: int
1.22 kristaps 413: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 414: {
415: struct mdoc_node *p;
416:
417: assert(mdoc->first);
418: assert(mdoc->last);
419:
1.46 kristaps 420: p = mdoc_node_alloc(mdoc);
1.17 kristaps 421:
1.22 kristaps 422: p->line = line;
423: p->pos = pos;
1.17 kristaps 424: p->type = MDOC_TAIL;
1.27 kristaps 425: p->tok = tok;
1.17 kristaps 426:
1.23 kristaps 427: return(mdoc_node_append(mdoc, p));
1.17 kristaps 428: }
429:
430:
1.23 kristaps 431: int
1.22 kristaps 432: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 433: {
434: struct mdoc_node *p;
435:
436: assert(mdoc->first);
437: assert(mdoc->last);
438:
1.46 kristaps 439: p = mdoc_node_alloc(mdoc);
1.13 kristaps 440:
1.22 kristaps 441: p->line = line;
442: p->pos = pos;
1.1 kristaps 443: p->type = MDOC_HEAD;
1.27 kristaps 444: p->tok = tok;
1.1 kristaps 445:
1.23 kristaps 446: return(mdoc_node_append(mdoc, p));
1.1 kristaps 447: }
448:
449:
1.23 kristaps 450: int
1.22 kristaps 451: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 452: {
453: struct mdoc_node *p;
454:
455: assert(mdoc->first);
456: assert(mdoc->last);
457:
1.46 kristaps 458: p = mdoc_node_alloc(mdoc);
1.1 kristaps 459:
1.22 kristaps 460: p->line = line;
461: p->pos = pos;
1.1 kristaps 462: p->type = MDOC_BODY;
1.27 kristaps 463: p->tok = tok;
1.1 kristaps 464:
1.23 kristaps 465: return(mdoc_node_append(mdoc, p));
1.1 kristaps 466: }
467:
468:
1.23 kristaps 469: int
1.25 kristaps 470: mdoc_root_alloc(struct mdoc *mdoc)
471: {
472: struct mdoc_node *p;
473:
1.46 kristaps 474: p = mdoc_node_alloc(mdoc);
1.25 kristaps 475:
476: p->type = MDOC_ROOT;
477:
478: return(mdoc_node_append(mdoc, p));
479: }
480:
481:
482: int
1.22 kristaps 483: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
484: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 485: {
486: struct mdoc_node *p;
487:
1.46 kristaps 488: p = mdoc_node_alloc(mdoc);
1.1 kristaps 489:
1.22 kristaps 490: p->pos = pos;
491: p->line = line;
1.1 kristaps 492: p->type = MDOC_BLOCK;
1.27 kristaps 493: p->tok = tok;
1.1 kristaps 494: p->data.block.argc = argsz;
495: p->data.block.argv = argdup(argsz, args);
496:
1.23 kristaps 497: return(mdoc_node_append(mdoc, p));
1.1 kristaps 498: }
499:
500:
1.23 kristaps 501: int
1.22 kristaps 502: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
503: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 504: {
505: struct mdoc_node *p;
506:
1.46 kristaps 507: p = mdoc_node_alloc(mdoc);
1.22 kristaps 508:
509: p->line = line;
510: p->pos = pos;
1.1 kristaps 511: p->type = MDOC_ELEM;
1.27 kristaps 512: p->tok = tok;
1.1 kristaps 513: p->data.elem.argc = argsz;
514: p->data.elem.argv = argdup(argsz, args);
515:
1.23 kristaps 516: return(mdoc_node_append(mdoc, p));
1.1 kristaps 517: }
518:
519:
1.23 kristaps 520: int
1.22 kristaps 521: mdoc_word_alloc(struct mdoc *mdoc,
522: int line, int pos, const char *word)
1.1 kristaps 523: {
524: struct mdoc_node *p;
525:
1.46 kristaps 526: p = mdoc_node_alloc(mdoc);
1.45 kristaps 527:
1.22 kristaps 528: p->line = line;
529: p->pos = pos;
1.1 kristaps 530: p->type = MDOC_TEXT;
531: p->data.text.string = xstrdup(word);
532:
1.23 kristaps 533: return(mdoc_node_append(mdoc, p));
1.1 kristaps 534: }
535:
536:
537: static void
538: argfree(size_t sz, struct mdoc_arg *p)
539: {
1.2 kristaps 540: int i, j;
1.1 kristaps 541:
542: if (0 == sz)
543: return;
544:
545: assert(p);
1.2 kristaps 546: /* LINTED */
547: for (i = 0; i < (int)sz; i++)
1.1 kristaps 548: if (p[i].sz > 0) {
549: assert(p[i].value);
1.2 kristaps 550: /* LINTED */
551: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 552: free(p[i].value[j]);
1.19 kristaps 553: free(p[i].value);
1.1 kristaps 554: }
555: free(p);
556: }
557:
558:
559: static void
560: mdoc_elem_free(struct mdoc_elem *p)
561: {
562:
563: argfree(p->argc, p->argv);
564: }
565:
566:
567: static void
568: mdoc_block_free(struct mdoc_block *p)
569: {
570:
571: argfree(p->argc, p->argv);
572: }
573:
574:
575: static void
576: mdoc_text_free(struct mdoc_text *p)
577: {
578:
579: if (p->string)
580: free(p->string);
581: }
582:
583:
584: void
585: mdoc_node_free(struct mdoc_node *p)
586: {
587:
588: switch (p->type) {
589: case (MDOC_TEXT):
590: mdoc_text_free(&p->data.text);
591: break;
592: case (MDOC_ELEM):
593: mdoc_elem_free(&p->data.elem);
594: break;
595: case (MDOC_BLOCK):
596: mdoc_block_free(&p->data.block);
597: break;
598: default:
599: break;
600: }
601:
602: free(p);
603: }
604:
605:
1.37 kristaps 606: void
1.1 kristaps 607: mdoc_node_freelist(struct mdoc_node *p)
608: {
609:
610: if (p->child)
611: mdoc_node_freelist(p->child);
612: if (p->next)
613: mdoc_node_freelist(p->next);
614:
615: mdoc_node_free(p);
616: }
617:
618:
619: int
620: mdoc_find(const struct mdoc *mdoc, const char *key)
621: {
622:
1.4 kristaps 623: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 624: }
625:
626:
627: static void
628: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
629: {
1.2 kristaps 630: int i;
1.1 kristaps 631:
1.26 kristaps 632: dst->line = src->line;
633: dst->pos = src->pos;
1.1 kristaps 634: dst->arg = src->arg;
635: if (0 == (dst->sz = src->sz))
636: return;
637: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 638: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 639: dst->value[i] = xstrdup(src->value[i]);
640: }
641:
642:
643: static struct mdoc_arg *
644: argdup(size_t argsz, const struct mdoc_arg *args)
645: {
646: struct mdoc_arg *pp;
1.2 kristaps 647: int i;
1.1 kristaps 648:
649: if (0 == argsz)
650: return(NULL);
651:
652: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 653: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 654: argcpy(&pp[i], &args[i]);
655:
656: return(pp);
657: }
658:
1.35 kristaps 659:
1.36 kristaps 660: /* FIXME: deprecate. */
1.35 kristaps 661: char *
662: mdoc_node2a(struct mdoc_node *node)
663: {
664: static char buf[64];
665:
666: assert(node);
667:
668: buf[0] = 0;
669: (void)xstrlcat(buf, mdoc_type2a(node->type), 64);
670: if (MDOC_ROOT == node->type)
671: return(buf);
672: (void)xstrlcat(buf, " `", 64);
673: if (MDOC_TEXT == node->type)
674: (void)xstrlcat(buf, node->data.text.string, 64);
675: else
676: (void)xstrlcat(buf, mdoc_macronames[node->tok], 64);
1.36 kristaps 677: (void)xstrlcat(buf, "'", 64);
1.35 kristaps 678:
679: return(buf);
680: }
681:
682:
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