Annotation of mandoc/mdoc.c, Revision 1.51
1.51 ! kristaps 1: /* $Id: mdoc.c,v 1.50 2009/03/02 17:14:46 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;
1.51 ! kristaps 223: while (buf[i] && ! isspace((u_char)buf[i]) &&
! 224: i < (int)sizeof(tmp))
1.1 kristaps 225: i++;
226:
1.20 kristaps 227: if (i == (int)sizeof(tmp)) {
228: mdoc->flags |= MDOC_HALT;
1.31 kristaps 229: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 230: } else if (i <= 2) {
231: mdoc->flags |= MDOC_HALT;
1.31 kristaps 232: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 233: }
1.1 kristaps 234:
235: i--;
236:
1.2 kristaps 237: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 238: tmp[i++] = 0;
239:
1.20 kristaps 240: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
241: mdoc->flags |= MDOC_HALT;
1.31 kristaps 242: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 243: }
1.1 kristaps 244:
1.51 ! kristaps 245: while (buf[i] && isspace((u_char)buf[i]))
1.1 kristaps 246: i++;
247:
1.21 kristaps 248: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 249: mdoc->flags |= MDOC_HALT;
250: return(0);
251: }
1.50 kristaps 252:
1.20 kristaps 253: return(1);
1.1 kristaps 254: }
255:
256:
257: void
1.31 kristaps 258: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 259: {
1.31 kristaps 260: char buf[256];
1.23 kristaps 261: va_list ap;
1.1 kristaps 262:
263: if (NULL == mdoc->cb.mdoc_msg)
264: return;
265:
266: va_start(ap, fmt);
1.31 kristaps 267: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 268: va_end(ap);
1.31 kristaps 269: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 270: }
271:
272:
273: int
1.31 kristaps 274: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
275: 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_err)
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_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 287: }
288:
289:
290: int
1.31 kristaps 291: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
292: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 293: {
1.31 kristaps 294: char buf[256];
295: va_list ap;
1.1 kristaps 296:
297: if (NULL == mdoc->cb.mdoc_warn)
298: return(0);
1.31 kristaps 299:
300: va_start(ap, fmt);
301: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
302: va_end(ap);
303: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 304: }
305:
306:
307: int
1.21 kristaps 308: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 kristaps 309: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 310: {
311:
1.31 kristaps 312: assert(mdoc_macros[tok].fp);
313:
1.44 kristaps 314: if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
315: SEC_PROLOGUE != mdoc->lastnamed)
316: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document body"));
317: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
318: SEC_PROLOGUE == mdoc->lastnamed)
319: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document prologue"));
1.23 kristaps 320: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.31 kristaps 321: return(mdoc_perr(mdoc, ln, ppos, "macro not callable"));
1.23 kristaps 322: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 323: }
324:
325:
1.23 kristaps 326: static int
327: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 328: {
1.30 kristaps 329: const char *nn, *nt, *on, *ot, *act;
1.1 kristaps 330:
1.25 kristaps 331: assert(mdoc->last);
332: assert(mdoc->first);
333: assert(MDOC_ROOT != p->type);
1.1 kristaps 334:
1.39 kristaps 335: /* See if we exceed the suggest line-max. */
336:
337: switch (p->type) {
338: case (MDOC_TEXT):
339: /* FALLTHROUGH */
340: case (MDOC_ELEM):
341: /* FALLTHROUGH */
342: case (MDOC_BLOCK):
343: mdoc->linetok++;
344: break;
345: default:
346: break;
347: }
348:
1.40 kristaps 349: /* This sort-of works (re-opening of text macros...). */
1.39 kristaps 350: if (mdoc->linetok > MDOC_LINEARG_SOFTMAX)
351: if ( ! mdoc_nwarn(mdoc, p, WARN_COMPAT,
352: "suggested %d tokens per line exceeded (has %d)",
353: MDOC_LINEARG_SOFTMAX, mdoc->linetok))
354: return(0);
355:
1.27 kristaps 356: if (MDOC_TEXT == mdoc->last->type)
357: on = "<text>";
358: else if (MDOC_ROOT == mdoc->last->type)
359: on = "<root>";
360: else
361: on = mdoc_macronames[mdoc->last->tok];
362:
1.30 kristaps 363: if (MDOC_TEXT == p->type)
364: nn = "<text>";
365: else if (MDOC_ROOT == p->type)
366: nn = "<root>";
367: else
368: nn = mdoc_macronames[p->tok];
369:
370: ot = mdoc_type2a(mdoc->last->type);
371: nt = mdoc_type2a(p->type);
1.1 kristaps 372:
1.13 kristaps 373: switch (mdoc->next) {
374: case (MDOC_NEXT_SIBLING):
1.6 kristaps 375: mdoc->last->next = p;
376: p->prev = mdoc->last;
1.13 kristaps 377: p->parent = mdoc->last->parent;
1.6 kristaps 378: act = "sibling";
1.1 kristaps 379: break;
1.13 kristaps 380: case (MDOC_NEXT_CHILD):
381: mdoc->last->child = p;
1.1 kristaps 382: p->parent = mdoc->last;
383: act = "child";
384: break;
385: default:
1.13 kristaps 386: abort();
387: /* NOTREACHED */
1.1 kristaps 388: }
389:
1.23 kristaps 390: if ( ! mdoc_valid_pre(mdoc, p))
391: return(0);
1.27 kristaps 392:
393: switch (p->type) {
394: case (MDOC_HEAD):
395: assert(MDOC_BLOCK == p->parent->type);
396: p->parent->data.block.head = p;
397: break;
398: case (MDOC_TAIL):
399: assert(MDOC_BLOCK == p->parent->type);
400: p->parent->data.block.tail = p;
401: break;
402: case (MDOC_BODY):
403: assert(MDOC_BLOCK == p->parent->type);
404: p->parent->data.block.body = p;
405: break;
406: default:
407: break;
408: }
409:
1.1 kristaps 410: mdoc->last = p;
1.30 kristaps 411: mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'",
412: nt, nn, act, ot, on);
1.23 kristaps 413: return(1);
1.1 kristaps 414: }
415:
416:
1.45 kristaps 417: static struct mdoc_node *
1.46 kristaps 418: mdoc_node_alloc(const struct mdoc *mdoc)
1.45 kristaps 419: {
1.46 kristaps 420: struct mdoc_node *p;
421:
422: p = xcalloc(1, sizeof(struct mdoc_node));
423: p->sec = mdoc->lastsec;
1.45 kristaps 424:
1.46 kristaps 425: return(p);
1.45 kristaps 426: }
427:
428:
1.23 kristaps 429: int
1.22 kristaps 430: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 431: {
432: struct mdoc_node *p;
433:
434: assert(mdoc->first);
435: assert(mdoc->last);
436:
1.46 kristaps 437: p = mdoc_node_alloc(mdoc);
1.17 kristaps 438:
1.22 kristaps 439: p->line = line;
440: p->pos = pos;
1.17 kristaps 441: p->type = MDOC_TAIL;
1.27 kristaps 442: p->tok = tok;
1.17 kristaps 443:
1.23 kristaps 444: return(mdoc_node_append(mdoc, p));
1.17 kristaps 445: }
446:
447:
1.23 kristaps 448: int
1.22 kristaps 449: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 450: {
451: struct mdoc_node *p;
452:
453: assert(mdoc->first);
454: assert(mdoc->last);
455:
1.46 kristaps 456: p = mdoc_node_alloc(mdoc);
1.13 kristaps 457:
1.22 kristaps 458: p->line = line;
459: p->pos = pos;
1.1 kristaps 460: p->type = MDOC_HEAD;
1.27 kristaps 461: p->tok = tok;
1.1 kristaps 462:
1.23 kristaps 463: return(mdoc_node_append(mdoc, p));
1.1 kristaps 464: }
465:
466:
1.23 kristaps 467: int
1.22 kristaps 468: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 469: {
470: struct mdoc_node *p;
471:
472: assert(mdoc->first);
473: assert(mdoc->last);
474:
1.46 kristaps 475: p = mdoc_node_alloc(mdoc);
1.1 kristaps 476:
1.22 kristaps 477: p->line = line;
478: p->pos = pos;
1.1 kristaps 479: p->type = MDOC_BODY;
1.27 kristaps 480: p->tok = tok;
1.1 kristaps 481:
1.23 kristaps 482: return(mdoc_node_append(mdoc, p));
1.1 kristaps 483: }
484:
485:
1.23 kristaps 486: int
1.25 kristaps 487: mdoc_root_alloc(struct mdoc *mdoc)
488: {
489: struct mdoc_node *p;
490:
1.46 kristaps 491: p = mdoc_node_alloc(mdoc);
1.25 kristaps 492:
493: p->type = MDOC_ROOT;
494:
495: return(mdoc_node_append(mdoc, p));
496: }
497:
498:
499: int
1.22 kristaps 500: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
501: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 502: {
503: struct mdoc_node *p;
504:
1.46 kristaps 505: p = mdoc_node_alloc(mdoc);
1.1 kristaps 506:
1.22 kristaps 507: p->pos = pos;
508: p->line = line;
1.1 kristaps 509: p->type = MDOC_BLOCK;
1.27 kristaps 510: p->tok = tok;
1.1 kristaps 511: p->data.block.argc = argsz;
512: p->data.block.argv = argdup(argsz, args);
513:
1.23 kristaps 514: return(mdoc_node_append(mdoc, p));
1.1 kristaps 515: }
516:
517:
1.23 kristaps 518: int
1.22 kristaps 519: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
520: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 521: {
522: struct mdoc_node *p;
523:
1.46 kristaps 524: p = mdoc_node_alloc(mdoc);
1.22 kristaps 525:
526: p->line = line;
527: p->pos = pos;
1.1 kristaps 528: p->type = MDOC_ELEM;
1.27 kristaps 529: p->tok = tok;
1.1 kristaps 530: p->data.elem.argc = argsz;
531: p->data.elem.argv = argdup(argsz, args);
532:
1.23 kristaps 533: return(mdoc_node_append(mdoc, p));
1.1 kristaps 534: }
535:
536:
1.23 kristaps 537: int
1.22 kristaps 538: mdoc_word_alloc(struct mdoc *mdoc,
539: int line, int pos, const char *word)
1.1 kristaps 540: {
541: struct mdoc_node *p;
542:
1.46 kristaps 543: p = mdoc_node_alloc(mdoc);
1.45 kristaps 544:
1.22 kristaps 545: p->line = line;
546: p->pos = pos;
1.1 kristaps 547: p->type = MDOC_TEXT;
548: p->data.text.string = xstrdup(word);
549:
1.23 kristaps 550: return(mdoc_node_append(mdoc, p));
1.1 kristaps 551: }
552:
553:
554: static void
555: argfree(size_t sz, struct mdoc_arg *p)
556: {
1.2 kristaps 557: int i, j;
1.1 kristaps 558:
559: if (0 == sz)
560: return;
561:
562: assert(p);
1.2 kristaps 563: /* LINTED */
564: for (i = 0; i < (int)sz; i++)
1.1 kristaps 565: if (p[i].sz > 0) {
566: assert(p[i].value);
1.2 kristaps 567: /* LINTED */
568: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 569: free(p[i].value[j]);
1.19 kristaps 570: free(p[i].value);
1.1 kristaps 571: }
572: free(p);
573: }
574:
575:
576: static void
577: mdoc_elem_free(struct mdoc_elem *p)
578: {
579:
580: argfree(p->argc, p->argv);
581: }
582:
583:
584: static void
585: mdoc_block_free(struct mdoc_block *p)
586: {
587:
588: argfree(p->argc, p->argv);
589: }
590:
591:
592: static void
593: mdoc_text_free(struct mdoc_text *p)
594: {
595:
596: if (p->string)
597: free(p->string);
598: }
599:
600:
601: void
602: mdoc_node_free(struct mdoc_node *p)
603: {
604:
605: switch (p->type) {
606: case (MDOC_TEXT):
607: mdoc_text_free(&p->data.text);
608: break;
609: case (MDOC_ELEM):
610: mdoc_elem_free(&p->data.elem);
611: break;
612: case (MDOC_BLOCK):
613: mdoc_block_free(&p->data.block);
614: break;
615: default:
616: break;
617: }
618:
619: free(p);
620: }
621:
622:
1.37 kristaps 623: void
1.1 kristaps 624: mdoc_node_freelist(struct mdoc_node *p)
625: {
626:
627: if (p->child)
628: mdoc_node_freelist(p->child);
629: if (p->next)
630: mdoc_node_freelist(p->next);
631:
632: mdoc_node_free(p);
633: }
634:
635:
636: int
637: mdoc_find(const struct mdoc *mdoc, const char *key)
638: {
639:
1.4 kristaps 640: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 641: }
642:
643:
644: static void
645: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
646: {
1.2 kristaps 647: int i;
1.1 kristaps 648:
1.26 kristaps 649: dst->line = src->line;
650: dst->pos = src->pos;
1.1 kristaps 651: dst->arg = src->arg;
652: if (0 == (dst->sz = src->sz))
653: return;
654: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 655: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 656: dst->value[i] = xstrdup(src->value[i]);
657: }
658:
659:
660: static struct mdoc_arg *
661: argdup(size_t argsz, const struct mdoc_arg *args)
662: {
663: struct mdoc_arg *pp;
1.2 kristaps 664: int i;
1.1 kristaps 665:
666: if (0 == argsz)
667: return(NULL);
668:
669: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 670: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 671: argcpy(&pp[i], &args[i]);
672:
673: return(pp);
674: }
675:
1.35 kristaps 676:
1.36 kristaps 677: /* FIXME: deprecate. */
1.35 kristaps 678: char *
679: mdoc_node2a(struct mdoc_node *node)
680: {
681: static char buf[64];
682:
683: assert(node);
684:
685: buf[0] = 0;
686: (void)xstrlcat(buf, mdoc_type2a(node->type), 64);
687: if (MDOC_ROOT == node->type)
688: return(buf);
689: (void)xstrlcat(buf, " `", 64);
690: if (MDOC_TEXT == node->type)
691: (void)xstrlcat(buf, node->data.text.string, 64);
692: else
693: (void)xstrlcat(buf, mdoc_macronames[node->tok], 64);
1.36 kristaps 694: (void)xstrlcat(buf, "'", 64);
1.35 kristaps 695:
696: return(buf);
697: }
698:
699:
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