Annotation of mandoc/mdoc.c, Revision 1.15
1.15 ! kristaps 1: /* $Id: mdoc.c,v 1.14 2009/01/02 14:06:16 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",
1.14 kristaps 83: "emphasis", "symbolic",
1.1 kristaps 84: };
85:
86: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
87: { NULL, 0 }, /* \" */
1.13 kristaps 88: { NULL, MDOC_PROLOGUE }, /* Dd */
89: { NULL, MDOC_PROLOGUE }, /* Dt */
90: { NULL, MDOC_PROLOGUE }, /* Os */
91: { macro_scoped, 0 }, /* Sh */
92: { macro_scoped, 0 }, /* Ss */
1.5 kristaps 93: { macro_text, 0 }, /* Pp */
1.6 kristaps 94: { macro_scoped_line, 0 }, /* D1 */
95: { macro_scoped_line, 0 }, /* Dl */
1.13 kristaps 96: { macro_scoped, MDOC_EXPLICIT }, /* Bd */
97: { macro_close_explicit, 0 }, /* Ed */
98: { macro_scoped, MDOC_EXPLICIT }, /* Bl */
99: { macro_close_explicit, 0 }, /* El */
1.1 kristaps 100: { NULL, 0 }, /* It */
101: { macro_text, MDOC_CALLABLE }, /* Ad */
1.14 kristaps 102: { macro_constant, 0 }, /* An */
1.1 kristaps 103: { macro_text, MDOC_CALLABLE }, /* Ar */
1.12 kristaps 104: { macro_constant, MDOC_QUOTABLE }, /* Cd */
1.1 kristaps 105: { macro_text, MDOC_CALLABLE }, /* Cm */
106: { macro_text, MDOC_CALLABLE }, /* Dv */
107: { macro_text, MDOC_CALLABLE }, /* Er */
108: { macro_text, MDOC_CALLABLE }, /* Ev */
1.13 kristaps 109: { macro_constant, 0 }, /* Ex */
1.1 kristaps 110: { macro_text, MDOC_CALLABLE }, /* Fa */
1.13 kristaps 111: { macro_constant, 0 }, /* Fd */
1.1 kristaps 112: { macro_text, MDOC_CALLABLE }, /* Fl */
1.12 kristaps 113: { macro_text, MDOC_CALLABLE | MDOC_QUOTABLE }, /* Fn */
1.1 kristaps 114: { macro_text, 0 }, /* Ft */
115: { macro_text, MDOC_CALLABLE }, /* Ic */
1.13 kristaps 116: { macro_constant, 0 }, /* In */
1.1 kristaps 117: { macro_text, MDOC_CALLABLE }, /* Li */
1.10 kristaps 118: { macro_constant, 0 }, /* Nd */
1.1 kristaps 119: { NULL, 0 }, /* Nm */
1.13 kristaps 120: { macro_scoped_line, MDOC_CALLABLE }, /* Op */
121: { macro_obsolete, 0 }, /* Ot */
1.1 kristaps 122: { macro_text, MDOC_CALLABLE }, /* Pa */
1.13 kristaps 123: { macro_constant, 0 }, /* Rv */
124: { macro_constant, 0 }, /* St */
1.1 kristaps 125: { macro_text, MDOC_CALLABLE }, /* Va */
126: { macro_text, MDOC_CALLABLE }, /* Vt */
1.13 kristaps 127: { macro_text, MDOC_CALLABLE }, /* Xr */
128: { macro_constant, MDOC_QUOTABLE }, /* %A */
129: { macro_constant, MDOC_QUOTABLE }, /* %B */
130: { macro_constant, MDOC_QUOTABLE }, /* %D */
131: { macro_constant, MDOC_QUOTABLE }, /* %I */
132: { macro_constant, MDOC_QUOTABLE }, /* %J */
133: { macro_constant, MDOC_QUOTABLE }, /* %N */
134: { macro_constant, MDOC_QUOTABLE }, /* %O */
135: { macro_constant, MDOC_QUOTABLE }, /* %P */
136: { macro_constant, MDOC_QUOTABLE }, /* %R */
137: { macro_constant, MDOC_QUOTABLE }, /* %T */
138: { macro_constant, MDOC_QUOTABLE }, /* %V */
1.1 kristaps 139: { NULL, 0 }, /* Ac */
140: { NULL, 0 }, /* Ao */
1.13 kristaps 141: { macro_scoped_line, MDOC_CALLABLE }, /* Aq */
1.9 kristaps 142: { macro_constant, 0 }, /* At */
1.1 kristaps 143: { NULL, 0 }, /* Bc */
1.14 kristaps 144: { macro_scoped, 0 }, /* Bf */
1.1 kristaps 145: { NULL, 0 }, /* Bo */
1.13 kristaps 146: { macro_scoped_line, MDOC_CALLABLE }, /* Bq */
1.8 kristaps 147: { macro_constant_delimited, 0 }, /* Bsx */
148: { macro_constant_delimited, 0 }, /* Bx */
1.13 kristaps 149: { macro_constant, 0 }, /* Db */
1.1 kristaps 150: { NULL, 0 }, /* Dc */
151: { NULL, 0 }, /* Do */
1.13 kristaps 152: { macro_scoped_line, MDOC_CALLABLE }, /* Dq */
1.1 kristaps 153: { NULL, 0 }, /* Ec */
1.14 kristaps 154: { macro_close_explicit, 0 }, /* Ef */
1.1 kristaps 155: { macro_text, MDOC_CALLABLE }, /* Em */
156: { NULL, 0 }, /* Eo */
1.8 kristaps 157: { macro_constant_delimited, 0 }, /* Fx */
1.1 kristaps 158: { macro_text, 0 }, /* Ms */
1.13 kristaps 159: { macro_constant_delimited, MDOC_CALLABLE }, /* No */
160: { macro_constant_delimited, MDOC_CALLABLE }, /* Ns */
1.8 kristaps 161: { macro_constant_delimited, 0 }, /* Nx */
162: { macro_constant_delimited, 0 }, /* Ox */
1.1 kristaps 163: { NULL, 0 }, /* Pc */
1.14 kristaps 164: { macro_constant, 0 }, /* Pf */
1.1 kristaps 165: { NULL, 0 }, /* Po */
1.13 kristaps 166: { macro_scoped_line, MDOC_CALLABLE }, /* Pq */
1.1 kristaps 167: { NULL, 0 }, /* Qc */
1.13 kristaps 168: { macro_scoped_line, MDOC_CALLABLE }, /* Ql */
1.1 kristaps 169: { NULL, 0 }, /* Qo */
1.13 kristaps 170: { macro_scoped_line, MDOC_CALLABLE }, /* Qq */
171: { macro_scoped, MDOC_EXPLICIT }, /* Re */
172: { macro_scoped, MDOC_EXPLICIT }, /* Rs */
1.1 kristaps 173: { NULL, 0 }, /* Sc */
174: { NULL, 0 }, /* So */
1.13 kristaps 175: { macro_scoped_line, MDOC_CALLABLE }, /* Sq */
176: { macro_constant, 0 }, /* Sm */
1.10 kristaps 177: { macro_text, MDOC_CALLABLE }, /* Sx */
178: { macro_text, MDOC_CALLABLE }, /* Sy */
1.1 kristaps 179: { macro_text, MDOC_CALLABLE }, /* Tn */
1.8 kristaps 180: { macro_constant_delimited, 0 }, /* Ux */
1.1 kristaps 181: { NULL, 0 }, /* Xc */
182: { NULL, 0 }, /* Xo */
183: { NULL, 0 }, /* Fo */
184: { NULL, 0 }, /* Fc */
185: { NULL, 0 }, /* Oo */
186: { NULL, 0 }, /* Oc */
187: { NULL, 0 }, /* Bk */
188: { NULL, 0 }, /* Ek */
1.9 kristaps 189: { macro_constant, 0 }, /* Bt */
1.10 kristaps 190: { macro_constant, 0 }, /* Hf */
1.12 kristaps 191: { macro_obsolete, 0 }, /* Fr */
1.9 kristaps 192: { macro_constant, 0 }, /* Ud */
1.1 kristaps 193: };
194:
195: const char * const *mdoc_macronames = __mdoc_macronames;
196: const char * const *mdoc_argnames = __mdoc_argnames;
197: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
198:
199:
200: static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *);
201: static void argfree(size_t, struct mdoc_arg *);
202: static void argcpy(struct mdoc_arg *,
203: const struct mdoc_arg *);
204: static char **paramdup(size_t, const char **);
205: static void paramfree(size_t, char **);
206:
207: static void mdoc_node_freelist(struct mdoc_node *);
208: static void mdoc_node_append(struct mdoc *, int,
209: struct mdoc_node *);
210: static void mdoc_elem_free(struct mdoc_elem *);
211: static void mdoc_text_free(struct mdoc_text *);
212:
213:
214: const struct mdoc_node *
215: mdoc_result(struct mdoc *mdoc)
216: {
217:
218: return(mdoc->first);
219: }
220:
221:
222: void
223: mdoc_free(struct mdoc *mdoc)
224: {
225:
226: if (mdoc->first)
227: mdoc_node_freelist(mdoc->first);
228: if (mdoc->htab)
1.4 kristaps 229: mdoc_tokhash_free(mdoc->htab);
1.1 kristaps 230:
231: free(mdoc);
232: }
233:
234:
235: struct mdoc *
236: mdoc_alloc(void *data, const struct mdoc_cb *cb)
237: {
238: struct mdoc *p;
239:
240: p = xcalloc(1, sizeof(struct mdoc));
241:
242: p->data = data;
243: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
244:
1.4 kristaps 245: p->htab = mdoc_tokhash_alloc();
1.1 kristaps 246: return(p);
247: }
248:
249:
250: int
251: mdoc_parseln(struct mdoc *mdoc, char *buf)
252: {
253: int c, i;
254: char tmp[5];
255:
1.5 kristaps 256: if ('.' != *buf) {
257: mdoc_word_alloc(mdoc, 0, buf);
1.13 kristaps 258: mdoc->next = MDOC_NEXT_SIBLING;
1.5 kristaps 259: return(1);
1.1 kristaps 260: }
261:
262: if (buf[1] && '\\' == buf[1])
263: if (buf[2] && '\"' == buf[2])
264: return(1);
265:
266: i = 1;
267: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
268: i++;
269:
270: if (i == (int)sizeof(tmp))
271: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
272: else if (i <= 2)
273: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
274:
275: i--;
276:
1.2 kristaps 277: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 278: tmp[i++] = 0;
279:
280: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp)))
281: return(mdoc_err(mdoc, c, 1, ERR_MACRO_NOTSUP));
282:
283: while (buf[i] && isspace(buf[i]))
284: i++;
285:
1.3 kristaps 286: return(mdoc_macro(mdoc, c, 1, &i, buf));
1.1 kristaps 287: }
288:
289:
290: void
291: mdoc_msg(struct mdoc *mdoc, int pos, const char *fmt, ...)
292: {
293: va_list ap;
294: char buf[256];
295:
296: if (NULL == mdoc->cb.mdoc_msg)
297: return;
298:
299: va_start(ap, fmt);
300: (void)vsnprintf(buf, sizeof(buf), fmt, ap);
301: va_end(ap);
302:
303: (*mdoc->cb.mdoc_msg)(mdoc->data, pos, buf);
304: }
305:
306:
307: int
308: mdoc_err(struct mdoc *mdoc, int tok, int pos, enum mdoc_err type)
309: {
310:
311: if (NULL == mdoc->cb.mdoc_err)
312: return(0);
313: return((*mdoc->cb.mdoc_err)(mdoc->data, tok, pos, type));
314: }
315:
316:
317: int
318: mdoc_warn(struct mdoc *mdoc, int tok, int pos, enum mdoc_warn type)
319: {
320:
321: if (NULL == mdoc->cb.mdoc_warn)
322: return(0);
323: return((*mdoc->cb.mdoc_warn)(mdoc->data, tok, pos, type));
324: }
325:
326:
327: int
328: mdoc_macro(struct mdoc *mdoc, int tok, int ppos, int *pos, char *buf)
329: {
330:
1.13 kristaps 331: if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
332: SEC_PROLOGUE == mdoc->sec_lastn)
333: return(macro_prologue(mdoc, tok, ppos, pos, buf));
334:
335: if (SEC_PROLOGUE == mdoc->sec_lastn)
336: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
337:
1.1 kristaps 338: if (NULL == (mdoc_macros[tok].fp)) {
339: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTSUP);
340: return(0);
1.3 kristaps 341: }
342:
343: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
1.1 kristaps 344: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTCALL);
345: return(0);
346: }
347:
348: return((*mdoc_macros[tok].fp)(mdoc, tok, ppos, pos, buf));
349: }
350:
351:
352: static void
353: mdoc_node_append(struct mdoc *mdoc, int pos, struct mdoc_node *p)
354: {
355: const char *nn, *on, *nt, *ot, *act;
356:
357: switch (p->type) {
358: case (MDOC_TEXT):
1.5 kristaps 359: nn = p->data.text.string;
1.1 kristaps 360: nt = "text";
361: break;
362: case (MDOC_BODY):
363: nn = mdoc_macronames[p->data.body.tok];
364: nt = "body";
365: break;
366: case (MDOC_ELEM):
367: nn = mdoc_macronames[p->data.elem.tok];
368: nt = "elem";
369: break;
370: case (MDOC_HEAD):
371: nn = mdoc_macronames[p->data.head.tok];
372: nt = "head";
373: break;
374: case (MDOC_BLOCK):
375: nn = mdoc_macronames[p->data.block.tok];
376: nt = "block";
377: break;
1.2 kristaps 378: default:
379: abort();
380: /* NOTREACHED */
1.1 kristaps 381: }
382:
383: if (NULL == mdoc->first) {
384: assert(NULL == mdoc->last);
385: mdoc->first = p;
386: mdoc->last = p;
387: mdoc_msg(mdoc, pos, "parse: root %s `%s'", nt, nn);
388: return;
389: }
390:
391: switch (mdoc->last->type) {
392: case (MDOC_TEXT):
393: on = "<text>";
394: ot = "text";
395: break;
396: case (MDOC_BODY):
397: on = mdoc_macronames[mdoc->last->data.body.tok];
398: ot = "body";
399: break;
400: case (MDOC_ELEM):
401: on = mdoc_macronames[mdoc->last->data.elem.tok];
402: ot = "elem";
403: break;
404: case (MDOC_HEAD):
405: on = mdoc_macronames[mdoc->last->data.head.tok];
406: ot = "head";
407: break;
408: case (MDOC_BLOCK):
409: on = mdoc_macronames[mdoc->last->data.block.tok];
410: ot = "block";
411: break;
1.2 kristaps 412: default:
413: abort();
414: /* NOTREACHED */
1.1 kristaps 415: }
416:
1.13 kristaps 417: switch (mdoc->next) {
418: case (MDOC_NEXT_SIBLING):
1.6 kristaps 419: mdoc->last->next = p;
420: p->prev = mdoc->last;
1.13 kristaps 421: p->parent = mdoc->last->parent;
1.6 kristaps 422: act = "sibling";
1.1 kristaps 423: break;
1.13 kristaps 424: case (MDOC_NEXT_CHILD):
425: mdoc->last->child = p;
1.1 kristaps 426: p->parent = mdoc->last;
427: act = "child";
428: break;
429: default:
1.13 kristaps 430: abort();
431: /* NOTREACHED */
1.1 kristaps 432: }
433:
1.13 kristaps 434: mdoc_msg(mdoc, pos, "parse: %s `%s' %s of %s `%s'",
1.1 kristaps 435: nt, nn, act, ot, on);
1.13 kristaps 436:
1.1 kristaps 437: mdoc->last = p;
438: }
439:
440:
441: void
1.13 kristaps 442: mdoc_head_alloc(struct mdoc *mdoc, int pos, int tok)
1.1 kristaps 443: {
444: struct mdoc_node *p;
445:
446: assert(mdoc->first);
447: assert(mdoc->last);
448:
449: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 450:
1.1 kristaps 451: p->type = MDOC_HEAD;
452: p->data.head.tok = tok;
453:
454: mdoc_node_append(mdoc, pos, p);
455: }
456:
457:
458: void
459: mdoc_body_alloc(struct mdoc *mdoc, int pos, int tok)
460: {
461: struct mdoc_node *p;
462:
463: assert(mdoc->first);
464: assert(mdoc->last);
465:
466: p = xcalloc(1, sizeof(struct mdoc_node));
467:
468: p->type = MDOC_BODY;
469: p->data.body.tok = tok;
470:
471: mdoc_node_append(mdoc, pos, p);
472: }
473:
474:
475: void
476: mdoc_block_alloc(struct mdoc *mdoc, int pos, int tok,
477: size_t argsz, const struct mdoc_arg *args)
478: {
479: struct mdoc_node *p;
480:
481: p = xcalloc(1, sizeof(struct mdoc_node));
482:
483: p->type = MDOC_BLOCK;
484: p->data.block.tok = tok;
485: p->data.block.argc = argsz;
486: p->data.block.argv = argdup(argsz, args);
487:
488: mdoc_node_append(mdoc, pos, p);
489: }
490:
491:
492: void
493: mdoc_elem_alloc(struct mdoc *mdoc, int pos, int tok,
1.15 ! kristaps 494: size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 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;
1.15 ! kristaps 501: /* FIXME: freeing of params... */
1.1 kristaps 502: p->data.elem.argc = argsz;
503: p->data.elem.argv = argdup(argsz, args);
504:
505: mdoc_node_append(mdoc, pos, p);
506: }
507:
508:
509: void
510: mdoc_word_alloc(struct mdoc *mdoc, int pos, const char *word)
511: {
512: struct mdoc_node *p;
513:
514: p = xcalloc(1, sizeof(struct mdoc_node));
515: p->type = MDOC_TEXT;
516: p->data.text.string = xstrdup(word);
517:
518: mdoc_node_append(mdoc, pos, p);
519: }
520:
521:
522: static void
523: argfree(size_t sz, struct mdoc_arg *p)
524: {
1.2 kristaps 525: int i, j;
1.1 kristaps 526:
527: if (0 == sz)
528: return;
529:
530: assert(p);
1.2 kristaps 531: /* LINTED */
532: for (i = 0; i < (int)sz; i++)
1.1 kristaps 533: if (p[i].sz > 0) {
534: assert(p[i].value);
1.2 kristaps 535: /* LINTED */
536: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 537: free(p[i].value[j]);
538: }
539: free(p);
540: }
541:
542:
543: static void
544: mdoc_elem_free(struct mdoc_elem *p)
545: {
546:
547: paramfree(p->sz, p->args);
548: argfree(p->argc, p->argv);
549: }
550:
551:
552: static void
553: mdoc_block_free(struct mdoc_block *p)
554: {
555:
556: argfree(p->argc, p->argv);
557: }
558:
559:
560: static void
561: mdoc_text_free(struct mdoc_text *p)
562: {
563:
564: if (p->string)
565: free(p->string);
566: }
567:
568:
569: void
570: mdoc_node_free(struct mdoc_node *p)
571: {
572:
573: switch (p->type) {
574: case (MDOC_TEXT):
575: mdoc_text_free(&p->data.text);
576: break;
577: case (MDOC_ELEM):
578: mdoc_elem_free(&p->data.elem);
579: break;
580: case (MDOC_BLOCK):
581: mdoc_block_free(&p->data.block);
582: break;
583: default:
584: break;
585: }
586:
587: free(p);
588: }
589:
590:
591: static void
592: mdoc_node_freelist(struct mdoc_node *p)
593: {
594:
595: if (p->child)
596: mdoc_node_freelist(p->child);
597: if (p->next)
598: mdoc_node_freelist(p->next);
599:
600: mdoc_node_free(p);
601: }
602:
603:
604: int
605: mdoc_find(const struct mdoc *mdoc, const char *key)
606: {
607:
1.4 kristaps 608: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 609: }
610:
611:
612: static void
613: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
614: {
1.2 kristaps 615: int i;
1.1 kristaps 616:
617: dst->arg = src->arg;
618: if (0 == (dst->sz = src->sz))
619: return;
620: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 621: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 622: dst->value[i] = xstrdup(src->value[i]);
623: }
624:
625:
626: static struct mdoc_arg *
627: argdup(size_t argsz, const struct mdoc_arg *args)
628: {
629: struct mdoc_arg *pp;
1.2 kristaps 630: int i;
1.1 kristaps 631:
632: if (0 == argsz)
633: return(NULL);
634:
635: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 636: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 637: argcpy(&pp[i], &args[i]);
638:
639: return(pp);
640: }
641:
642:
643: static void
644: paramfree(size_t sz, char **p)
645: {
1.2 kristaps 646: int i;
1.1 kristaps 647:
648: if (0 == sz)
649: return;
650:
651: assert(p);
1.2 kristaps 652: /* LINTED */
653: for (i = 0; i < (int)sz; i++)
1.1 kristaps 654: free(p[i]);
655: free(p);
656: }
657:
658:
659: static char **
660: paramdup(size_t sz, const char **p)
661: {
662: char **pp;
1.2 kristaps 663: int i;
1.1 kristaps 664:
665: if (0 == sz)
666: return(NULL);
667:
668: pp = xcalloc(sz, sizeof(char *));
1.2 kristaps 669: for (i = 0; i < (int)sz; i++)
1.1 kristaps 670: pp[i] = xstrdup(p[i]);
671:
672: return(pp);
673: }
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