Annotation of mandoc/mdoc.c, Revision 1.13
1.13 ! kristaps 1: /* $Id: mdoc.c,v 1.12 2008/12/30 19:06:03 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:
29: const char *const __mdoc_macronames[MDOC_MAX] = {
30: "\\\"", "Dd", "Dt", "Os",
31: "Sh", "Ss", "Pp", "D1",
32: "Dl", "Bd", "Ed", "Bl",
33: "El", "It", "Ad", "An",
34: "Ar", "Cd", "Cm", "Dv",
35: "Er", "Ev", "Ex", "Fa",
36: "Fd", "Fl", "Fn", "Ft",
37: "Ic", "In", "Li", "Nd",
38: "Nm", "Op", "Ot", "Pa",
39: "Rv", "St", "Va", "Vt",
40: /* LINTED */
41: "Xr", "\%A", "\%B", "\%D",
42: /* LINTED */
43: "\%I", "\%J", "\%N", "\%O",
44: /* LINTED */
45: "\%P", "\%R", "\%T", "\%V",
46: "Ac", "Ao", "Aq", "At",
47: "Bc", "Bf", "Bo", "Bq",
48: "Bsx", "Bx", "Db", "Dc",
49: "Do", "Dq", "Ec", "Ef",
50: "Em", "Eo", "Fx", "Ms",
51: "No", "Ns", "Nx", "Ox",
52: "Pc", "Pf", "Po", "Pq",
53: "Qc", "Ql", "Qo", "Qq",
54: "Re", "Rs", "Sc", "So",
55: "Sq", "Sm", "Sx", "Sy",
56: "Tn", "Ux", "Xc", "Xo",
57: "Fo", "Fc", "Oo", "Oc",
58: "Bk", "Ek", "Bt", "Hf",
59: "Fr", "Ud",
60: };
61:
62: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
63: "split", "nosplit", "ragged",
64: "unfilled", "literal", "file",
65: "offset", "bullet", "dash",
66: "hyphen", "item", "enum",
67: "tag", "diag", "hang",
68: "ohang", "inset", "column",
69: "width", "compact", "std",
70: "p1003.1-88", "p1003.1-90", "p1003.1-96",
71: "p1003.1-2001", "p1003.1-2004", "p1003.1",
72: "p1003.1b", "p1003.1b-93", "p1003.1c-95",
73: "p1003.1g-2000", "p1003.2-92", "p1387.2-95",
74: "p1003.2", "p1387.2", "isoC-90",
75: "isoC-amd1", "isoC-tcor1", "isoC-tcor2",
76: "isoC-99", "ansiC", "ansiC-89",
77: "ansiC-99", "ieee754", "iso8802-3",
78: "xpg3", "xpg4", "xpg4.2",
79: "xpg4.3", "xbd5", "xcu5",
80: "xsh5", "xns5", "xns5.2d2.0",
81: "xcurses4.2", "susv2", "susv3",
82: "svid4", "filled", "words",
83: };
84:
85: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
86: { NULL, 0 }, /* \" */
1.13 ! kristaps 87: { NULL, MDOC_PROLOGUE }, /* Dd */
! 88: { NULL, MDOC_PROLOGUE }, /* Dt */
! 89: { NULL, MDOC_PROLOGUE }, /* Os */
! 90: { macro_scoped, 0 }, /* Sh */
! 91: { macro_scoped, 0 }, /* Ss */
1.5 kristaps 92: { macro_text, 0 }, /* Pp */
1.6 kristaps 93: { macro_scoped_line, 0 }, /* D1 */
94: { macro_scoped_line, 0 }, /* Dl */
1.13 ! kristaps 95: { macro_scoped, MDOC_EXPLICIT }, /* Bd */
! 96: { macro_close_explicit, 0 }, /* Ed */
! 97: { macro_scoped, MDOC_EXPLICIT }, /* Bl */
! 98: { macro_close_explicit, 0 }, /* El */
1.1 kristaps 99: { NULL, 0 }, /* It */
100: { macro_text, MDOC_CALLABLE }, /* Ad */
101: { NULL, 0 }, /* An */
102: { macro_text, MDOC_CALLABLE }, /* Ar */
1.12 kristaps 103: { macro_constant, MDOC_QUOTABLE }, /* Cd */
1.1 kristaps 104: { macro_text, MDOC_CALLABLE }, /* Cm */
105: { macro_text, MDOC_CALLABLE }, /* Dv */
106: { macro_text, MDOC_CALLABLE }, /* Er */
107: { macro_text, MDOC_CALLABLE }, /* Ev */
1.13 ! kristaps 108: { macro_constant, 0 }, /* Ex */
1.1 kristaps 109: { macro_text, MDOC_CALLABLE }, /* Fa */
1.13 ! kristaps 110: { macro_constant, 0 }, /* Fd */
1.1 kristaps 111: { macro_text, MDOC_CALLABLE }, /* Fl */
1.12 kristaps 112: { macro_text, MDOC_CALLABLE | MDOC_QUOTABLE }, /* Fn */
1.1 kristaps 113: { macro_text, 0 }, /* Ft */
114: { macro_text, MDOC_CALLABLE }, /* Ic */
1.13 ! kristaps 115: { macro_constant, 0 }, /* In */
1.1 kristaps 116: { macro_text, MDOC_CALLABLE }, /* Li */
1.10 kristaps 117: { macro_constant, 0 }, /* Nd */
1.1 kristaps 118: { NULL, 0 }, /* Nm */
1.13 ! kristaps 119: { macro_scoped_line, MDOC_CALLABLE }, /* Op */
! 120: { macro_obsolete, 0 }, /* Ot */
1.1 kristaps 121: { macro_text, MDOC_CALLABLE }, /* Pa */
1.13 ! kristaps 122: { macro_constant, 0 }, /* Rv */
! 123: { macro_constant, 0 }, /* St */
1.1 kristaps 124: { macro_text, MDOC_CALLABLE }, /* Va */
125: { macro_text, MDOC_CALLABLE }, /* Vt */
1.13 ! kristaps 126: { macro_text, MDOC_CALLABLE }, /* Xr */
! 127: { macro_constant, MDOC_QUOTABLE }, /* %A */
! 128: { macro_constant, MDOC_QUOTABLE }, /* %B */
! 129: { macro_constant, MDOC_QUOTABLE }, /* %D */
! 130: { macro_constant, MDOC_QUOTABLE }, /* %I */
! 131: { macro_constant, MDOC_QUOTABLE }, /* %J */
! 132: { macro_constant, MDOC_QUOTABLE }, /* %N */
! 133: { macro_constant, MDOC_QUOTABLE }, /* %O */
! 134: { macro_constant, MDOC_QUOTABLE }, /* %P */
! 135: { macro_constant, MDOC_QUOTABLE }, /* %R */
! 136: { macro_constant, MDOC_QUOTABLE }, /* %T */
! 137: { macro_constant, MDOC_QUOTABLE }, /* %V */
1.1 kristaps 138: { NULL, 0 }, /* Ac */
139: { NULL, 0 }, /* Ao */
1.13 ! kristaps 140: { macro_scoped_line, MDOC_CALLABLE }, /* Aq */
1.9 kristaps 141: { macro_constant, 0 }, /* At */
1.1 kristaps 142: { NULL, 0 }, /* Bc */
143: { NULL, 0 }, /* Bf */
144: { NULL, 0 }, /* Bo */
1.13 ! kristaps 145: { macro_scoped_line, MDOC_CALLABLE }, /* Bq */
1.8 kristaps 146: { macro_constant_delimited, 0 }, /* Bsx */
147: { macro_constant_delimited, 0 }, /* Bx */
1.13 ! kristaps 148: { macro_constant, 0 }, /* Db */
1.1 kristaps 149: { NULL, 0 }, /* Dc */
150: { NULL, 0 }, /* Do */
1.13 ! kristaps 151: { macro_scoped_line, MDOC_CALLABLE }, /* Dq */
1.1 kristaps 152: { NULL, 0 }, /* Ec */
153: { NULL, 0 }, /* Ef */
154: { macro_text, MDOC_CALLABLE }, /* Em */
155: { NULL, 0 }, /* Eo */
1.8 kristaps 156: { macro_constant_delimited, 0 }, /* Fx */
1.1 kristaps 157: { macro_text, 0 }, /* Ms */
1.13 ! kristaps 158: { macro_constant_delimited, MDOC_CALLABLE }, /* No */
! 159: { macro_constant_delimited, MDOC_CALLABLE }, /* Ns */
1.8 kristaps 160: { macro_constant_delimited, 0 }, /* Nx */
161: { macro_constant_delimited, 0 }, /* Ox */
1.1 kristaps 162: { NULL, 0 }, /* Pc */
163: { NULL, 0 }, /* Pf */
164: { NULL, 0 }, /* Po */
1.13 ! kristaps 165: { macro_scoped_line, MDOC_CALLABLE }, /* Pq */
1.1 kristaps 166: { NULL, 0 }, /* Qc */
1.13 ! kristaps 167: { macro_scoped_line, MDOC_CALLABLE }, /* Ql */
1.1 kristaps 168: { NULL, 0 }, /* Qo */
1.13 ! kristaps 169: { macro_scoped_line, MDOC_CALLABLE }, /* Qq */
! 170: { macro_scoped, MDOC_EXPLICIT }, /* Re */
! 171: { macro_scoped, MDOC_EXPLICIT }, /* Rs */
1.1 kristaps 172: { NULL, 0 }, /* Sc */
173: { NULL, 0 }, /* So */
1.13 ! kristaps 174: { macro_scoped_line, MDOC_CALLABLE }, /* Sq */
! 175: { macro_constant, 0 }, /* Sm */
1.10 kristaps 176: { macro_text, MDOC_CALLABLE }, /* Sx */
177: { macro_text, MDOC_CALLABLE }, /* Sy */
1.1 kristaps 178: { macro_text, MDOC_CALLABLE }, /* Tn */
1.8 kristaps 179: { macro_constant_delimited, 0 }, /* Ux */
1.1 kristaps 180: { NULL, 0 }, /* Xc */
181: { NULL, 0 }, /* Xo */
182: { NULL, 0 }, /* Fo */
183: { NULL, 0 }, /* Fc */
184: { NULL, 0 }, /* Oo */
185: { NULL, 0 }, /* Oc */
186: { NULL, 0 }, /* Bk */
187: { NULL, 0 }, /* Ek */
1.9 kristaps 188: { macro_constant, 0 }, /* Bt */
1.10 kristaps 189: { macro_constant, 0 }, /* Hf */
1.12 kristaps 190: { macro_obsolete, 0 }, /* Fr */
1.9 kristaps 191: { macro_constant, 0 }, /* Ud */
1.1 kristaps 192: };
193:
194: const char * const *mdoc_macronames = __mdoc_macronames;
195: const char * const *mdoc_argnames = __mdoc_argnames;
196: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
197:
198:
199: static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *);
200: static void argfree(size_t, struct mdoc_arg *);
201: static void argcpy(struct mdoc_arg *,
202: const struct mdoc_arg *);
203: static char **paramdup(size_t, const char **);
204: static void paramfree(size_t, char **);
205:
206: static void mdoc_node_freelist(struct mdoc_node *);
207: static void mdoc_node_append(struct mdoc *, int,
208: struct mdoc_node *);
209: static void mdoc_elem_free(struct mdoc_elem *);
210: static void mdoc_text_free(struct mdoc_text *);
211:
212:
213: const struct mdoc_node *
214: mdoc_result(struct mdoc *mdoc)
215: {
216:
217: return(mdoc->first);
218: }
219:
220:
221: void
222: mdoc_free(struct mdoc *mdoc)
223: {
224:
225: if (mdoc->first)
226: mdoc_node_freelist(mdoc->first);
227: if (mdoc->htab)
1.4 kristaps 228: mdoc_tokhash_free(mdoc->htab);
1.1 kristaps 229:
230: free(mdoc);
231: }
232:
233:
234: struct mdoc *
235: mdoc_alloc(void *data, const struct mdoc_cb *cb)
236: {
237: struct mdoc *p;
238:
239: p = xcalloc(1, sizeof(struct mdoc));
240:
241: p->data = data;
242: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
243:
1.4 kristaps 244: p->htab = mdoc_tokhash_alloc();
1.1 kristaps 245: return(p);
246: }
247:
248:
249: int
250: mdoc_parseln(struct mdoc *mdoc, char *buf)
251: {
252: int c, i;
253: char tmp[5];
254:
1.5 kristaps 255: if ('.' != *buf) {
256: mdoc_word_alloc(mdoc, 0, buf);
1.13 ! kristaps 257: mdoc->next = MDOC_NEXT_SIBLING;
1.5 kristaps 258: return(1);
1.1 kristaps 259: }
260:
261: if (buf[1] && '\\' == buf[1])
262: if (buf[2] && '\"' == buf[2])
263: return(1);
264:
265: i = 1;
266: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
267: i++;
268:
269: if (i == (int)sizeof(tmp))
270: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
271: else if (i <= 2)
272: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
273:
274: i--;
275:
1.2 kristaps 276: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 277: tmp[i++] = 0;
278:
279: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp)))
280: return(mdoc_err(mdoc, c, 1, ERR_MACRO_NOTSUP));
281:
282: while (buf[i] && isspace(buf[i]))
283: i++;
284:
1.3 kristaps 285: return(mdoc_macro(mdoc, c, 1, &i, buf));
1.1 kristaps 286: }
287:
288:
289: void
290: mdoc_msg(struct mdoc *mdoc, int pos, const char *fmt, ...)
291: {
292: va_list ap;
293: char buf[256];
294:
295: if (NULL == mdoc->cb.mdoc_msg)
296: return;
297:
298: va_start(ap, fmt);
299: (void)vsnprintf(buf, sizeof(buf), fmt, ap);
300: va_end(ap);
301:
302: (*mdoc->cb.mdoc_msg)(mdoc->data, pos, buf);
303: }
304:
305:
306: int
307: mdoc_err(struct mdoc *mdoc, int tok, int pos, enum mdoc_err type)
308: {
309:
310: if (NULL == mdoc->cb.mdoc_err)
311: return(0);
312: return((*mdoc->cb.mdoc_err)(mdoc->data, tok, pos, type));
313: }
314:
315:
316: int
317: mdoc_warn(struct mdoc *mdoc, int tok, int pos, enum mdoc_warn type)
318: {
319:
320: if (NULL == mdoc->cb.mdoc_warn)
321: return(0);
322: return((*mdoc->cb.mdoc_warn)(mdoc->data, tok, pos, type));
323: }
324:
325:
326: int
327: mdoc_macro(struct mdoc *mdoc, int tok, int ppos, int *pos, char *buf)
328: {
329:
1.13 ! kristaps 330: if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
! 331: SEC_PROLOGUE == mdoc->sec_lastn)
! 332: return(macro_prologue(mdoc, tok, ppos, pos, buf));
! 333:
! 334: if (SEC_PROLOGUE == mdoc->sec_lastn)
! 335: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
! 336:
1.1 kristaps 337: if (NULL == (mdoc_macros[tok].fp)) {
338: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTSUP);
339: return(0);
1.3 kristaps 340: }
341:
342: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
1.1 kristaps 343: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTCALL);
344: return(0);
345: }
346:
347: return((*mdoc_macros[tok].fp)(mdoc, tok, ppos, pos, buf));
348: }
349:
350:
351: static void
352: mdoc_node_append(struct mdoc *mdoc, int pos, struct mdoc_node *p)
353: {
354: const char *nn, *on, *nt, *ot, *act;
355:
356: switch (p->type) {
357: case (MDOC_TEXT):
1.5 kristaps 358: nn = p->data.text.string;
1.1 kristaps 359: nt = "text";
360: break;
361: case (MDOC_BODY):
362: nn = mdoc_macronames[p->data.body.tok];
363: nt = "body";
364: break;
365: case (MDOC_ELEM):
366: nn = mdoc_macronames[p->data.elem.tok];
367: nt = "elem";
368: break;
369: case (MDOC_HEAD):
370: nn = mdoc_macronames[p->data.head.tok];
371: nt = "head";
372: break;
373: case (MDOC_BLOCK):
374: nn = mdoc_macronames[p->data.block.tok];
375: nt = "block";
376: break;
1.2 kristaps 377: default:
378: abort();
379: /* NOTREACHED */
1.1 kristaps 380: }
381:
382: if (NULL == mdoc->first) {
383: assert(NULL == mdoc->last);
384: mdoc->first = p;
385: mdoc->last = p;
386: mdoc_msg(mdoc, pos, "parse: root %s `%s'", nt, nn);
387: return;
388: }
389:
390: switch (mdoc->last->type) {
391: case (MDOC_TEXT):
392: on = "<text>";
393: ot = "text";
394: break;
395: case (MDOC_BODY):
396: on = mdoc_macronames[mdoc->last->data.body.tok];
397: ot = "body";
398: break;
399: case (MDOC_ELEM):
400: on = mdoc_macronames[mdoc->last->data.elem.tok];
401: ot = "elem";
402: break;
403: case (MDOC_HEAD):
404: on = mdoc_macronames[mdoc->last->data.head.tok];
405: ot = "head";
406: break;
407: case (MDOC_BLOCK):
408: on = mdoc_macronames[mdoc->last->data.block.tok];
409: ot = "block";
410: break;
1.2 kristaps 411: default:
412: abort();
413: /* NOTREACHED */
1.1 kristaps 414: }
415:
1.13 ! kristaps 416: switch (mdoc->next) {
! 417: case (MDOC_NEXT_SIBLING):
1.6 kristaps 418: mdoc->last->next = p;
419: p->prev = mdoc->last;
1.13 ! kristaps 420: p->parent = mdoc->last->parent;
1.6 kristaps 421: act = "sibling";
1.1 kristaps 422: break;
1.13 ! kristaps 423: case (MDOC_NEXT_CHILD):
! 424: mdoc->last->child = p;
1.1 kristaps 425: p->parent = mdoc->last;
426: act = "child";
427: break;
428: default:
1.13 ! kristaps 429: abort();
! 430: /* NOTREACHED */
1.1 kristaps 431: }
432:
1.13 ! kristaps 433: mdoc_msg(mdoc, pos, "parse: %s `%s' %s of %s `%s'",
1.1 kristaps 434: nt, nn, act, ot, on);
1.13 ! kristaps 435:
1.1 kristaps 436: mdoc->last = p;
437: }
438:
439:
440: void
1.13 ! kristaps 441: mdoc_head_alloc(struct mdoc *mdoc, int pos, int tok)
1.1 kristaps 442: {
443: struct mdoc_node *p;
444:
445: assert(mdoc->first);
446: assert(mdoc->last);
447:
448: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 ! kristaps 449:
1.1 kristaps 450: p->type = MDOC_HEAD;
451: p->data.head.tok = tok;
452:
453: mdoc_node_append(mdoc, pos, p);
454: }
455:
456:
457: void
458: mdoc_body_alloc(struct mdoc *mdoc, int pos, int tok)
459: {
460: struct mdoc_node *p;
461:
462: assert(mdoc->first);
463: assert(mdoc->last);
464:
465: p = xcalloc(1, sizeof(struct mdoc_node));
466:
467: p->type = MDOC_BODY;
468: p->data.body.tok = tok;
469:
470: mdoc_node_append(mdoc, pos, p);
471: }
472:
473:
474: void
475: mdoc_block_alloc(struct mdoc *mdoc, int pos, int tok,
476: size_t argsz, const struct mdoc_arg *args)
477: {
478: struct mdoc_node *p;
479:
480: p = xcalloc(1, sizeof(struct mdoc_node));
481:
482: p->type = MDOC_BLOCK;
483: p->data.block.tok = tok;
484: p->data.block.argc = argsz;
485: p->data.block.argv = argdup(argsz, args);
486:
487: mdoc_node_append(mdoc, pos, p);
488: }
489:
490:
491: void
492: mdoc_elem_alloc(struct mdoc *mdoc, int pos, int tok,
493: size_t argsz, const struct mdoc_arg *args,
494: size_t paramsz, const char **params)
495: {
496: struct mdoc_node *p;
497:
498: p = xcalloc(1, sizeof(struct mdoc_node));
499: p->type = MDOC_ELEM;
500: p->data.elem.tok = tok;
501: p->data.elem.sz = paramsz;
502: p->data.elem.args = paramdup(paramsz, params);
503: p->data.elem.argc = argsz;
504: p->data.elem.argv = argdup(argsz, args);
505:
506: mdoc_node_append(mdoc, pos, p);
507: }
508:
509:
510: void
511: mdoc_word_alloc(struct mdoc *mdoc, int pos, const char *word)
512: {
513: struct mdoc_node *p;
514:
515: p = xcalloc(1, sizeof(struct mdoc_node));
516: p->type = MDOC_TEXT;
517: p->data.text.string = xstrdup(word);
518:
519: mdoc_node_append(mdoc, pos, p);
520: }
521:
522:
523: static void
524: argfree(size_t sz, struct mdoc_arg *p)
525: {
1.2 kristaps 526: int i, j;
1.1 kristaps 527:
528: if (0 == sz)
529: return;
530:
531: assert(p);
1.2 kristaps 532: /* LINTED */
533: for (i = 0; i < (int)sz; i++)
1.1 kristaps 534: if (p[i].sz > 0) {
535: assert(p[i].value);
1.2 kristaps 536: /* LINTED */
537: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 538: free(p[i].value[j]);
539: }
540: free(p);
541: }
542:
543:
544: static void
545: mdoc_elem_free(struct mdoc_elem *p)
546: {
547:
548: paramfree(p->sz, p->args);
549: argfree(p->argc, p->argv);
550: }
551:
552:
553: static void
554: mdoc_block_free(struct mdoc_block *p)
555: {
556:
557: argfree(p->argc, p->argv);
558: }
559:
560:
561: static void
562: mdoc_text_free(struct mdoc_text *p)
563: {
564:
565: if (p->string)
566: free(p->string);
567: }
568:
569:
570: void
571: mdoc_node_free(struct mdoc_node *p)
572: {
573:
574: switch (p->type) {
575: case (MDOC_TEXT):
576: mdoc_text_free(&p->data.text);
577: break;
578: case (MDOC_ELEM):
579: mdoc_elem_free(&p->data.elem);
580: break;
581: case (MDOC_BLOCK):
582: mdoc_block_free(&p->data.block);
583: break;
584: default:
585: break;
586: }
587:
588: free(p);
589: }
590:
591:
592: static void
593: mdoc_node_freelist(struct mdoc_node *p)
594: {
595:
596: if (p->child)
597: mdoc_node_freelist(p->child);
598: if (p->next)
599: mdoc_node_freelist(p->next);
600:
601: mdoc_node_free(p);
602: }
603:
604:
605: int
606: mdoc_find(const struct mdoc *mdoc, const char *key)
607: {
608:
1.4 kristaps 609: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 610: }
611:
612:
613: static void
614: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
615: {
1.2 kristaps 616: int i;
1.1 kristaps 617:
618: dst->arg = src->arg;
619: if (0 == (dst->sz = src->sz))
620: return;
621: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 622: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 623: dst->value[i] = xstrdup(src->value[i]);
624: }
625:
626:
627: static struct mdoc_arg *
628: argdup(size_t argsz, const struct mdoc_arg *args)
629: {
630: struct mdoc_arg *pp;
1.2 kristaps 631: int i;
1.1 kristaps 632:
633: if (0 == argsz)
634: return(NULL);
635:
636: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 637: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 638: argcpy(&pp[i], &args[i]);
639:
640: return(pp);
641: }
642:
643:
644: static void
645: paramfree(size_t sz, char **p)
646: {
1.2 kristaps 647: int i;
1.1 kristaps 648:
649: if (0 == sz)
650: return;
651:
652: assert(p);
1.2 kristaps 653: /* LINTED */
654: for (i = 0; i < (int)sz; i++)
1.1 kristaps 655: free(p[i]);
656: free(p);
657: }
658:
659:
660: static char **
661: paramdup(size_t sz, const char **p)
662: {
663: char **pp;
1.2 kristaps 664: int i;
1.1 kristaps 665:
666: if (0 == sz)
667: return(NULL);
668:
669: pp = xcalloc(sz, sizeof(char *));
1.2 kristaps 670: for (i = 0; i < (int)sz; i++)
1.1 kristaps 671: pp[i] = xstrdup(p[i]);
672:
673: return(pp);
674: }
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