Annotation of mandoc/mdoc.c, Revision 1.50
1.50 ! kristaps 1: /* $Id: mdoc.c,v 1.49 2009/03/01 23:14:15 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:
1.50 ! kristaps 183: /*
! 184: * Main line-parsing routine. If the line is a macro-line (started with
! 185: * a '.' control character), then pass along to the parser, which parses
! 186: * subsequent macros until the end of line. If normal text, simply
! 187: * append the entire line to the chain.
! 188: */
1.20 kristaps 189: int
190: mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
1.1 kristaps 191: {
192: int c, i;
193: char tmp[5];
194:
1.20 kristaps 195: if (MDOC_HALT & mdoc->flags)
196: return(0);
197:
1.39 kristaps 198: mdoc->linetok = 0;
199:
1.5 kristaps 200: if ('.' != *buf) {
1.50 ! kristaps 201: /*
! 202: * Free-form text. Not allowed in the prologue.
! 203: */
1.44 kristaps 204: if (SEC_PROLOGUE == mdoc->lastnamed)
1.49 kristaps 205: return(mdoc_perr(mdoc, line, 0,
1.50 ! kristaps 206: "no text in prologue"));
! 207:
1.39 kristaps 208: if ( ! mdoc_word_alloc(mdoc, line, 0, buf))
209: return(0);
210: mdoc->next = MDOC_NEXT_SIBLING;
211: return(1);
1.1 kristaps 212: }
213:
1.50 ! kristaps 214: /*
! 215: * Control-character detected. Begin the parsing sequence.
! 216: */
! 217:
1.1 kristaps 218: if (buf[1] && '\\' == buf[1])
219: if (buf[2] && '\"' == buf[2])
220: return(1);
221:
222: i = 1;
1.42 kristaps 223: while (buf[i] && ! isspace((int)buf[i]) && i < (int)sizeof(tmp))
1.1 kristaps 224: i++;
225:
1.20 kristaps 226: if (i == (int)sizeof(tmp)) {
227: mdoc->flags |= MDOC_HALT;
1.31 kristaps 228: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 229: } else if (i <= 2) {
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:
234: i--;
235:
1.2 kristaps 236: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 237: tmp[i++] = 0;
238:
1.20 kristaps 239: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
240: mdoc->flags |= MDOC_HALT;
1.31 kristaps 241: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 242: }
1.1 kristaps 243:
1.42 kristaps 244: while (buf[i] && isspace((int)buf[i]))
1.1 kristaps 245: i++;
246:
1.21 kristaps 247: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 248: mdoc->flags |= MDOC_HALT;
249: return(0);
250: }
1.50 ! kristaps 251:
1.20 kristaps 252: return(1);
1.1 kristaps 253: }
254:
255:
256: void
1.31 kristaps 257: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 258: {
1.31 kristaps 259: char buf[256];
1.23 kristaps 260: va_list ap;
1.1 kristaps 261:
262: if (NULL == mdoc->cb.mdoc_msg)
263: return;
264:
265: va_start(ap, fmt);
1.31 kristaps 266: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 267: va_end(ap);
1.31 kristaps 268: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 269: }
270:
271:
272: int
1.31 kristaps 273: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
274: const char *fmt, ...)
1.1 kristaps 275: {
1.31 kristaps 276: char buf[256];
277: va_list ap;
1.1 kristaps 278:
279: if (NULL == mdoc->cb.mdoc_err)
280: return(0);
1.31 kristaps 281:
282: va_start(ap, fmt);
283: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
284: va_end(ap);
285: return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 286: }
287:
288:
289: int
1.31 kristaps 290: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
291: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 292: {
1.31 kristaps 293: char buf[256];
294: va_list ap;
1.1 kristaps 295:
296: if (NULL == mdoc->cb.mdoc_warn)
297: return(0);
1.31 kristaps 298:
299: va_start(ap, fmt);
300: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
301: va_end(ap);
302: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 303: }
304:
305:
306: int
1.21 kristaps 307: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 kristaps 308: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 309: {
310:
1.31 kristaps 311: assert(mdoc_macros[tok].fp);
312:
1.44 kristaps 313: if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
314: SEC_PROLOGUE != mdoc->lastnamed)
315: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document body"));
316: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
317: SEC_PROLOGUE == mdoc->lastnamed)
318: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document prologue"));
1.23 kristaps 319: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.31 kristaps 320: return(mdoc_perr(mdoc, ln, ppos, "macro not callable"));
1.23 kristaps 321: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 322: }
323:
324:
1.23 kristaps 325: static int
326: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 327: {
1.30 kristaps 328: const char *nn, *nt, *on, *ot, *act;
1.1 kristaps 329:
1.25 kristaps 330: assert(mdoc->last);
331: assert(mdoc->first);
332: assert(MDOC_ROOT != p->type);
1.1 kristaps 333:
1.39 kristaps 334: /* See if we exceed the suggest line-max. */
335:
336: switch (p->type) {
337: case (MDOC_TEXT):
338: /* FALLTHROUGH */
339: case (MDOC_ELEM):
340: /* FALLTHROUGH */
341: case (MDOC_BLOCK):
342: mdoc->linetok++;
343: break;
344: default:
345: break;
346: }
347:
1.40 kristaps 348: /* This sort-of works (re-opening of text macros...). */
1.39 kristaps 349: if (mdoc->linetok > MDOC_LINEARG_SOFTMAX)
350: if ( ! mdoc_nwarn(mdoc, p, WARN_COMPAT,
351: "suggested %d tokens per line exceeded (has %d)",
352: MDOC_LINEARG_SOFTMAX, mdoc->linetok))
353: return(0);
354:
1.27 kristaps 355: if (MDOC_TEXT == mdoc->last->type)
356: on = "<text>";
357: else if (MDOC_ROOT == mdoc->last->type)
358: on = "<root>";
359: else
360: on = mdoc_macronames[mdoc->last->tok];
361:
1.30 kristaps 362: if (MDOC_TEXT == p->type)
363: nn = "<text>";
364: else if (MDOC_ROOT == p->type)
365: nn = "<root>";
366: else
367: nn = mdoc_macronames[p->tok];
368:
369: ot = mdoc_type2a(mdoc->last->type);
370: nt = mdoc_type2a(p->type);
1.1 kristaps 371:
1.13 kristaps 372: switch (mdoc->next) {
373: case (MDOC_NEXT_SIBLING):
1.6 kristaps 374: mdoc->last->next = p;
375: p->prev = mdoc->last;
1.13 kristaps 376: p->parent = mdoc->last->parent;
1.6 kristaps 377: act = "sibling";
1.1 kristaps 378: break;
1.13 kristaps 379: case (MDOC_NEXT_CHILD):
380: mdoc->last->child = p;
1.1 kristaps 381: p->parent = mdoc->last;
382: act = "child";
383: break;
384: default:
1.13 kristaps 385: abort();
386: /* NOTREACHED */
1.1 kristaps 387: }
388:
1.23 kristaps 389: if ( ! mdoc_valid_pre(mdoc, p))
390: return(0);
1.27 kristaps 391:
392: switch (p->type) {
393: case (MDOC_HEAD):
394: assert(MDOC_BLOCK == p->parent->type);
395: p->parent->data.block.head = p;
396: break;
397: case (MDOC_TAIL):
398: assert(MDOC_BLOCK == p->parent->type);
399: p->parent->data.block.tail = p;
400: break;
401: case (MDOC_BODY):
402: assert(MDOC_BLOCK == p->parent->type);
403: p->parent->data.block.body = p;
404: break;
405: default:
406: break;
407: }
408:
1.1 kristaps 409: mdoc->last = p;
1.30 kristaps 410: mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'",
411: nt, nn, act, ot, on);
1.23 kristaps 412: return(1);
1.1 kristaps 413: }
414:
415:
1.45 kristaps 416: static struct mdoc_node *
1.46 kristaps 417: mdoc_node_alloc(const struct mdoc *mdoc)
1.45 kristaps 418: {
1.46 kristaps 419: struct mdoc_node *p;
420:
421: p = xcalloc(1, sizeof(struct mdoc_node));
422: p->sec = mdoc->lastsec;
1.45 kristaps 423:
1.46 kristaps 424: return(p);
1.45 kristaps 425: }
426:
427:
1.23 kristaps 428: int
1.22 kristaps 429: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 430: {
431: struct mdoc_node *p;
432:
433: assert(mdoc->first);
434: assert(mdoc->last);
435:
1.46 kristaps 436: p = mdoc_node_alloc(mdoc);
1.17 kristaps 437:
1.22 kristaps 438: p->line = line;
439: p->pos = pos;
1.17 kristaps 440: p->type = MDOC_TAIL;
1.27 kristaps 441: p->tok = tok;
1.17 kristaps 442:
1.23 kristaps 443: return(mdoc_node_append(mdoc, p));
1.17 kristaps 444: }
445:
446:
1.23 kristaps 447: int
1.22 kristaps 448: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 449: {
450: struct mdoc_node *p;
451:
452: assert(mdoc->first);
453: assert(mdoc->last);
454:
1.46 kristaps 455: p = mdoc_node_alloc(mdoc);
1.13 kristaps 456:
1.22 kristaps 457: p->line = line;
458: p->pos = pos;
1.1 kristaps 459: p->type = MDOC_HEAD;
1.27 kristaps 460: p->tok = tok;
1.1 kristaps 461:
1.23 kristaps 462: return(mdoc_node_append(mdoc, p));
1.1 kristaps 463: }
464:
465:
1.23 kristaps 466: int
1.22 kristaps 467: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 468: {
469: struct mdoc_node *p;
470:
471: assert(mdoc->first);
472: assert(mdoc->last);
473:
1.46 kristaps 474: p = mdoc_node_alloc(mdoc);
1.1 kristaps 475:
1.22 kristaps 476: p->line = line;
477: p->pos = pos;
1.1 kristaps 478: p->type = MDOC_BODY;
1.27 kristaps 479: p->tok = tok;
1.1 kristaps 480:
1.23 kristaps 481: return(mdoc_node_append(mdoc, p));
1.1 kristaps 482: }
483:
484:
1.23 kristaps 485: int
1.25 kristaps 486: mdoc_root_alloc(struct mdoc *mdoc)
487: {
488: struct mdoc_node *p;
489:
1.46 kristaps 490: p = mdoc_node_alloc(mdoc);
1.25 kristaps 491:
492: p->type = MDOC_ROOT;
493:
494: return(mdoc_node_append(mdoc, p));
495: }
496:
497:
498: int
1.22 kristaps 499: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
500: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 501: {
502: struct mdoc_node *p;
503:
1.46 kristaps 504: p = mdoc_node_alloc(mdoc);
1.1 kristaps 505:
1.22 kristaps 506: p->pos = pos;
507: p->line = line;
1.1 kristaps 508: p->type = MDOC_BLOCK;
1.27 kristaps 509: p->tok = tok;
1.1 kristaps 510: p->data.block.argc = argsz;
511: p->data.block.argv = argdup(argsz, args);
512:
1.23 kristaps 513: return(mdoc_node_append(mdoc, p));
1.1 kristaps 514: }
515:
516:
1.23 kristaps 517: int
1.22 kristaps 518: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
519: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 520: {
521: struct mdoc_node *p;
522:
1.46 kristaps 523: p = mdoc_node_alloc(mdoc);
1.22 kristaps 524:
525: p->line = line;
526: p->pos = pos;
1.1 kristaps 527: p->type = MDOC_ELEM;
1.27 kristaps 528: p->tok = tok;
1.1 kristaps 529: p->data.elem.argc = argsz;
530: p->data.elem.argv = argdup(argsz, args);
531:
1.23 kristaps 532: return(mdoc_node_append(mdoc, p));
1.1 kristaps 533: }
534:
535:
1.23 kristaps 536: int
1.22 kristaps 537: mdoc_word_alloc(struct mdoc *mdoc,
538: int line, int pos, const char *word)
1.1 kristaps 539: {
540: struct mdoc_node *p;
541:
1.46 kristaps 542: p = mdoc_node_alloc(mdoc);
1.45 kristaps 543:
1.22 kristaps 544: p->line = line;
545: p->pos = pos;
1.1 kristaps 546: p->type = MDOC_TEXT;
547: p->data.text.string = xstrdup(word);
548:
1.23 kristaps 549: return(mdoc_node_append(mdoc, p));
1.1 kristaps 550: }
551:
552:
553: static void
554: argfree(size_t sz, struct mdoc_arg *p)
555: {
1.2 kristaps 556: int i, j;
1.1 kristaps 557:
558: if (0 == sz)
559: return;
560:
561: assert(p);
1.2 kristaps 562: /* LINTED */
563: for (i = 0; i < (int)sz; i++)
1.1 kristaps 564: if (p[i].sz > 0) {
565: assert(p[i].value);
1.2 kristaps 566: /* LINTED */
567: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 568: free(p[i].value[j]);
1.19 kristaps 569: free(p[i].value);
1.1 kristaps 570: }
571: free(p);
572: }
573:
574:
575: static void
576: mdoc_elem_free(struct mdoc_elem *p)
577: {
578:
579: argfree(p->argc, p->argv);
580: }
581:
582:
583: static void
584: mdoc_block_free(struct mdoc_block *p)
585: {
586:
587: argfree(p->argc, p->argv);
588: }
589:
590:
591: static void
592: mdoc_text_free(struct mdoc_text *p)
593: {
594:
595: if (p->string)
596: free(p->string);
597: }
598:
599:
600: void
601: mdoc_node_free(struct mdoc_node *p)
602: {
603:
604: switch (p->type) {
605: case (MDOC_TEXT):
606: mdoc_text_free(&p->data.text);
607: break;
608: case (MDOC_ELEM):
609: mdoc_elem_free(&p->data.elem);
610: break;
611: case (MDOC_BLOCK):
612: mdoc_block_free(&p->data.block);
613: break;
614: default:
615: break;
616: }
617:
618: free(p);
619: }
620:
621:
1.37 kristaps 622: void
1.1 kristaps 623: mdoc_node_freelist(struct mdoc_node *p)
624: {
625:
626: if (p->child)
627: mdoc_node_freelist(p->child);
628: if (p->next)
629: mdoc_node_freelist(p->next);
630:
631: mdoc_node_free(p);
632: }
633:
634:
635: int
636: mdoc_find(const struct mdoc *mdoc, const char *key)
637: {
638:
1.4 kristaps 639: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 640: }
641:
642:
643: static void
644: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
645: {
1.2 kristaps 646: int i;
1.1 kristaps 647:
1.26 kristaps 648: dst->line = src->line;
649: dst->pos = src->pos;
1.1 kristaps 650: dst->arg = src->arg;
651: if (0 == (dst->sz = src->sz))
652: return;
653: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 654: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 655: dst->value[i] = xstrdup(src->value[i]);
656: }
657:
658:
659: static struct mdoc_arg *
660: argdup(size_t argsz, const struct mdoc_arg *args)
661: {
662: struct mdoc_arg *pp;
1.2 kristaps 663: int i;
1.1 kristaps 664:
665: if (0 == argsz)
666: return(NULL);
667:
668: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 669: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 670: argcpy(&pp[i], &args[i]);
671:
672: return(pp);
673: }
674:
1.35 kristaps 675:
1.36 kristaps 676: /* FIXME: deprecate. */
1.35 kristaps 677: char *
678: mdoc_node2a(struct mdoc_node *node)
679: {
680: static char buf[64];
681:
682: assert(node);
683:
684: buf[0] = 0;
685: (void)xstrlcat(buf, mdoc_type2a(node->type), 64);
686: if (MDOC_ROOT == node->type)
687: return(buf);
688: (void)xstrlcat(buf, " `", 64);
689: if (MDOC_TEXT == node->type)
690: (void)xstrlcat(buf, node->data.text.string, 64);
691: else
692: (void)xstrlcat(buf, mdoc_macronames[node->tok], 64);
1.36 kristaps 693: (void)xstrlcat(buf, "'", 64);
1.35 kristaps 694:
695: return(buf);
696: }
697:
698:
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