Annotation of mandoc/mdoc.c, Revision 1.11
1.11 ! kristaps 1: /* $Id: mdoc.c,v 1.10 2008/12/29 19:25:29 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 }, /* \" */
1.3 kristaps 87: { macro_prologue_ddate, 0 }, /* Dd */
88: { macro_prologue_dtitle, 0 }, /* Dt */
1.4 kristaps 89: { macro_prologue_os, 0 }, /* Os */
1.1 kristaps 90: { macro_scoped_implicit, 0 }, /* Sh */
91: { macro_scoped_implicit, 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 */
1.5 kristaps 95: { macro_scoped_explicit, MDOC_EXPLICIT }, /* Bd */
96: { macro_scoped_explicit, 0 }, /* Ed */
1.4 kristaps 97: { macro_scoped_explicit, MDOC_EXPLICIT }, /* Bl */
98: { macro_scoped_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 */
103: { NULL, 0 }, /* Cd */
104: { macro_text, MDOC_CALLABLE }, /* Cm */
105: { macro_text, MDOC_CALLABLE }, /* Dv */
106: { macro_text, MDOC_CALLABLE }, /* Er */
107: { macro_text, MDOC_CALLABLE }, /* Ev */
1.11 ! kristaps 108: { macro_constant_argv, 0 }, /* Ex */
1.1 kristaps 109: { macro_text, MDOC_CALLABLE }, /* Fa */
110: { NULL, 0 }, /* Fd */
111: { macro_text, MDOC_CALLABLE }, /* Fl */
112: { NULL, 0 }, /* Fn */
113: { macro_text, 0 }, /* Ft */
114: { macro_text, MDOC_CALLABLE }, /* Ic */
115: { NULL, 0 }, /* In */
116: { macro_text, MDOC_CALLABLE }, /* Li */
1.10 kristaps 117: { macro_constant, 0 }, /* Nd */
1.1 kristaps 118: { NULL, 0 }, /* Nm */
119: { NULL, 0 }, /* Op */
120: { NULL, 0 }, /* Ot */
121: { macro_text, MDOC_CALLABLE }, /* Pa */
1.11 ! kristaps 122: { macro_constant_argv, 0 }, /* Rv */
1.1 kristaps 123: { NULL, 0 }, /* St */
124: { macro_text, MDOC_CALLABLE }, /* Va */
125: { macro_text, MDOC_CALLABLE }, /* Vt */
126: { NULL, 0 }, /* Xr */
127: { NULL, 0 }, /* %A */
128: { NULL, 0 }, /* %B */
129: { NULL, 0 }, /* %D */
130: { NULL, 0 }, /* %I */
131: { NULL, 0 }, /* %J */
132: { NULL, 0 }, /* %N */
133: { NULL, 0 }, /* %O */
134: { NULL, 0 }, /* %P */
135: { NULL, 0 }, /* %R */
136: { NULL, 0 }, /* %T */
137: { NULL, 0 }, /* %V */
138: { NULL, 0 }, /* Ac */
139: { NULL, 0 }, /* Ao */
1.7 kristaps 140: { macro_scoped_pline, 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 */
1.7 kristaps 145: { macro_scoped_pline, MDOC_CALLABLE }, /* Bq */
1.8 kristaps 146: { macro_constant_delimited, 0 }, /* Bsx */
147: { macro_constant_delimited, 0 }, /* Bx */
1.1 kristaps 148: { NULL, 0 }, /* Db */
149: { NULL, 0 }, /* Dc */
150: { NULL, 0 }, /* Do */
1.7 kristaps 151: { macro_scoped_pline, 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 */
158: { NULL, 0 }, /* No */
159: { NULL, 0 }, /* 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 */
1.7 kristaps 165: { macro_scoped_pline, MDOC_CALLABLE }, /* Pq */
1.1 kristaps 166: { NULL, 0 }, /* Qc */
1.7 kristaps 167: { macro_scoped_pline, MDOC_CALLABLE }, /* Ql */
1.1 kristaps 168: { NULL, 0 }, /* Qo */
1.6 kristaps 169: { macro_scoped_pline, MDOC_CALLABLE }, /* Qq */
1.1 kristaps 170: { NULL, 0 }, /* Re */
171: { NULL, 0 }, /* Rs */
172: { NULL, 0 }, /* Sc */
173: { NULL, 0 }, /* So */
1.7 kristaps 174: { macro_scoped_pline, MDOC_CALLABLE }, /* Sq */
1.1 kristaps 175: { NULL, 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 */
1.1 kristaps 190: { NULL, 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);
257: return(1);
1.1 kristaps 258: }
259:
260: if (buf[1] && '\\' == buf[1])
261: if (buf[2] && '\"' == buf[2])
262: return(1);
263:
264: i = 1;
265: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
266: i++;
267:
268: if (i == (int)sizeof(tmp))
269: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
270: else if (i <= 2)
271: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
272:
273: i--;
274:
1.2 kristaps 275: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 276: tmp[i++] = 0;
277:
278: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp)))
279: return(mdoc_err(mdoc, c, 1, ERR_MACRO_NOTSUP));
280:
281: while (buf[i] && isspace(buf[i]))
282: i++;
283:
1.3 kristaps 284: return(mdoc_macro(mdoc, c, 1, &i, buf));
1.1 kristaps 285: }
286:
287:
288: void
289: mdoc_msg(struct mdoc *mdoc, int pos, const char *fmt, ...)
290: {
291: va_list ap;
292: char buf[256];
293:
294: if (NULL == mdoc->cb.mdoc_msg)
295: return;
296:
297: va_start(ap, fmt);
298: (void)vsnprintf(buf, sizeof(buf), fmt, ap);
299: va_end(ap);
300:
301: (*mdoc->cb.mdoc_msg)(mdoc->data, pos, buf);
302: }
303:
304:
305: int
306: mdoc_err(struct mdoc *mdoc, int tok, int pos, enum mdoc_err type)
307: {
308:
309: if (NULL == mdoc->cb.mdoc_err)
310: return(0);
311: return((*mdoc->cb.mdoc_err)(mdoc->data, tok, pos, type));
312: }
313:
314:
315: int
316: mdoc_warn(struct mdoc *mdoc, int tok, int pos, enum mdoc_warn type)
317: {
318:
319: if (NULL == mdoc->cb.mdoc_warn)
320: return(0);
321: return((*mdoc->cb.mdoc_warn)(mdoc->data, tok, pos, type));
322: }
323:
324:
325: int
326: mdoc_macro(struct mdoc *mdoc, int tok, int ppos, int *pos, char *buf)
327: {
328:
329: if (NULL == (mdoc_macros[tok].fp)) {
330: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTSUP);
331: return(0);
1.3 kristaps 332: }
333:
334: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
1.1 kristaps 335: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTCALL);
336: return(0);
337: }
338:
1.6 kristaps 339: /*mdoc_msg(mdoc, ppos, "calling `%s'", mdoc_macronames[tok]);*/
340:
1.1 kristaps 341: return((*mdoc_macros[tok].fp)(mdoc, tok, ppos, pos, buf));
342: }
343:
344:
345: static void
346: mdoc_node_append(struct mdoc *mdoc, int pos, struct mdoc_node *p)
347: {
348: const char *nn, *on, *nt, *ot, *act;
349:
350: switch (p->type) {
351: case (MDOC_TEXT):
1.5 kristaps 352: nn = p->data.text.string;
1.1 kristaps 353: nt = "text";
354: break;
355: case (MDOC_BODY):
356: nn = mdoc_macronames[p->data.body.tok];
357: nt = "body";
358: break;
359: case (MDOC_ELEM):
360: nn = mdoc_macronames[p->data.elem.tok];
361: nt = "elem";
362: break;
363: case (MDOC_HEAD):
364: nn = mdoc_macronames[p->data.head.tok];
365: nt = "head";
366: break;
367: case (MDOC_BLOCK):
368: nn = mdoc_macronames[p->data.block.tok];
369: nt = "block";
370: break;
1.2 kristaps 371: default:
372: abort();
373: /* NOTREACHED */
1.1 kristaps 374: }
375:
376: if (NULL == mdoc->first) {
377: assert(NULL == mdoc->last);
378: mdoc->first = p;
379: mdoc->last = p;
380: mdoc_msg(mdoc, pos, "parse: root %s `%s'", nt, nn);
381: return;
382: }
383:
384: switch (mdoc->last->type) {
385: case (MDOC_TEXT):
386: on = "<text>";
387: ot = "text";
388: break;
389: case (MDOC_BODY):
390: on = mdoc_macronames[mdoc->last->data.body.tok];
391: ot = "body";
392: break;
393: case (MDOC_ELEM):
394: on = mdoc_macronames[mdoc->last->data.elem.tok];
395: ot = "elem";
396: break;
397: case (MDOC_HEAD):
398: on = mdoc_macronames[mdoc->last->data.head.tok];
399: ot = "head";
400: break;
401: case (MDOC_BLOCK):
402: on = mdoc_macronames[mdoc->last->data.block.tok];
403: ot = "block";
404: break;
1.2 kristaps 405: default:
406: abort();
407: /* NOTREACHED */
1.1 kristaps 408: }
409:
410: switch (p->type) {
411: case (MDOC_BODY):
1.6 kristaps 412: p->parent = mdoc->last->parent;
413: mdoc->last->next = p;
414: p->prev = mdoc->last;
415: act = "sibling";
1.1 kristaps 416: break;
1.6 kristaps 417:
1.1 kristaps 418: case (MDOC_HEAD):
419: assert(mdoc->last->type == MDOC_BLOCK);
420: p->parent = mdoc->last;
421: mdoc->last->child = p;
422: act = "child";
423: break;
1.6 kristaps 424:
1.1 kristaps 425: default:
426: switch (mdoc->last->type) {
427: case (MDOC_BODY):
428: /* FALLTHROUGH */
429: case (MDOC_HEAD):
1.6 kristaps 430: p->parent = mdoc->last;
1.1 kristaps 431: mdoc->last->child = p;
432: act = "child";
433: break;
434: default:
435: p->parent = mdoc->last->parent;
1.5 kristaps 436: p->prev = mdoc->last;
1.1 kristaps 437: mdoc->last->next = p;
438: act = "sibling";
439: break;
440: }
441: break;
442: }
443:
444: mdoc_msg(mdoc, pos, "parse: %s `%s' %s %s `%s'",
445: nt, nn, act, ot, on);
446: mdoc->last = p;
447: }
448:
449:
1.6 kristaps 450: /* FIXME: deprecate paramsz, params. */
1.1 kristaps 451: void
452: mdoc_head_alloc(struct mdoc *mdoc, int pos, int tok,
453: size_t paramsz, const char **params)
454: {
455: struct mdoc_node *p;
456:
457: assert(mdoc->first);
458: assert(mdoc->last);
459: assert(mdoc->last->type == MDOC_BLOCK);
460: assert(mdoc->last->data.block.tok == tok);
461:
462: p = xcalloc(1, sizeof(struct mdoc_node));
463: p->type = MDOC_HEAD;
464: p->data.head.tok = tok;
465: p->data.head.sz = paramsz;
466: p->data.head.args = paramdup(paramsz, params);
467:
468: mdoc_node_append(mdoc, pos, p);
469: }
470:
471:
472: void
473: mdoc_body_alloc(struct mdoc *mdoc, int pos, int tok)
474: {
475: struct mdoc_node *p;
476:
477: assert(mdoc->first);
478: assert(mdoc->last);
479: assert((mdoc->last->type == MDOC_BLOCK) ||
480: (mdoc->last->type == MDOC_HEAD));
481: if (mdoc->last->type == MDOC_BLOCK)
482: assert(mdoc->last->data.block.tok == tok);
483: else
484: assert(mdoc->last->data.head.tok == tok);
485:
486: p = xcalloc(1, sizeof(struct mdoc_node));
487:
488: p->type = MDOC_BODY;
489: p->data.body.tok = tok;
490:
491: mdoc_node_append(mdoc, pos, p);
492: }
493:
494:
495: void
496: mdoc_block_alloc(struct mdoc *mdoc, int pos, int tok,
497: size_t argsz, const struct mdoc_arg *args)
498: {
499: struct mdoc_node *p;
500:
501: p = xcalloc(1, sizeof(struct mdoc_node));
502:
503: p->type = MDOC_BLOCK;
504: p->data.block.tok = tok;
505: p->data.block.argc = argsz;
506: p->data.block.argv = argdup(argsz, args);
507:
508: mdoc_node_append(mdoc, pos, p);
509: }
510:
511:
512: void
513: mdoc_elem_alloc(struct mdoc *mdoc, int pos, int tok,
514: size_t argsz, const struct mdoc_arg *args,
515: size_t paramsz, const char **params)
516: {
517: struct mdoc_node *p;
518:
519: p = xcalloc(1, sizeof(struct mdoc_node));
520: p->type = MDOC_ELEM;
521: p->data.elem.tok = tok;
522: p->data.elem.sz = paramsz;
523: p->data.elem.args = paramdup(paramsz, params);
524: p->data.elem.argc = argsz;
525: p->data.elem.argv = argdup(argsz, args);
526:
527: mdoc_node_append(mdoc, pos, p);
528: }
529:
530:
531: void
532: mdoc_word_alloc(struct mdoc *mdoc, int pos, const char *word)
533: {
534: struct mdoc_node *p;
535:
536: p = xcalloc(1, sizeof(struct mdoc_node));
537: p->type = MDOC_TEXT;
538: p->data.text.string = xstrdup(word);
539:
540: mdoc_node_append(mdoc, pos, p);
541: }
542:
543:
544: static void
545: argfree(size_t sz, struct mdoc_arg *p)
546: {
1.2 kristaps 547: int i, j;
1.1 kristaps 548:
549: if (0 == sz)
550: return;
551:
552: assert(p);
1.2 kristaps 553: /* LINTED */
554: for (i = 0; i < (int)sz; i++)
1.1 kristaps 555: if (p[i].sz > 0) {
556: assert(p[i].value);
1.2 kristaps 557: /* LINTED */
558: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 559: free(p[i].value[j]);
560: }
561: free(p);
562: }
563:
564:
565: static void
566: mdoc_elem_free(struct mdoc_elem *p)
567: {
568:
569: paramfree(p->sz, p->args);
570: argfree(p->argc, p->argv);
571: }
572:
573:
574: static void
575: mdoc_block_free(struct mdoc_block *p)
576: {
577:
578: argfree(p->argc, p->argv);
579: }
580:
581:
582: static void
583: mdoc_text_free(struct mdoc_text *p)
584: {
585:
586: if (p->string)
587: free(p->string);
588: }
589:
590:
591: static void
592: mdoc_head_free(struct mdoc_head *p)
593: {
594:
595: paramfree(p->sz, p->args);
596: }
597:
598:
599: void
600: mdoc_node_free(struct mdoc_node *p)
601: {
602:
603: switch (p->type) {
604: case (MDOC_TEXT):
605: mdoc_text_free(&p->data.text);
606: break;
607: case (MDOC_ELEM):
608: mdoc_elem_free(&p->data.elem);
609: break;
610: case (MDOC_BLOCK):
611: mdoc_block_free(&p->data.block);
612: break;
613: case (MDOC_HEAD):
614: mdoc_head_free(&p->data.head);
615: break;
616: default:
617: break;
618: }
619:
620: free(p);
621: }
622:
623:
624: static void
625: mdoc_node_freelist(struct mdoc_node *p)
626: {
627:
628: if (p->child)
629: mdoc_node_freelist(p->child);
630: if (p->next)
631: mdoc_node_freelist(p->next);
632:
633: mdoc_node_free(p);
634: }
635:
636:
637: int
638: mdoc_find(const struct mdoc *mdoc, const char *key)
639: {
640:
1.4 kristaps 641: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 642: }
643:
644:
645: static void
646: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
647: {
1.2 kristaps 648: int i;
1.1 kristaps 649:
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:
675:
676: static void
677: paramfree(size_t sz, char **p)
678: {
1.2 kristaps 679: int i;
1.1 kristaps 680:
681: if (0 == sz)
682: return;
683:
684: assert(p);
1.2 kristaps 685: /* LINTED */
686: for (i = 0; i < (int)sz; i++)
1.1 kristaps 687: free(p[i]);
688: free(p);
689: }
690:
691:
692: static char **
693: paramdup(size_t sz, const char **p)
694: {
695: char **pp;
1.2 kristaps 696: int i;
1.1 kristaps 697:
698: if (0 == sz)
699: return(NULL);
700:
701: pp = xcalloc(sz, sizeof(char *));
1.2 kristaps 702: for (i = 0; i < (int)sz; i++)
1.1 kristaps 703: pp[i] = xstrdup(p[i]);
704:
705: return(pp);
706: }
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