Annotation of mandoc/mdoc.c, Revision 1.17
1.17 ! kristaps 1: /* $Id: mdoc.c,v 1.16 2009/01/05 14:14:04 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 }, /* \" */
1.17 ! kristaps 88: { macro_prologue, MDOC_PROLOGUE }, /* Dd */
! 89: { macro_prologue, MDOC_PROLOGUE }, /* Dt */
! 90: { macro_prologue, MDOC_PROLOGUE }, /* Os */
1.13 kristaps 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 */
1.17 ! kristaps 100: { macro_scoped, MDOC_NESTED }, /* It */
1.1 kristaps 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 */
1.17 ! kristaps 119: { macro_text, MDOC_CALLABLE }, /* 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 */
1.17 ! kristaps 139: { macro_close_explicit, MDOC_CALLABLE }, /* Ac */
! 140: { macro_constant_scoped, MDOC_CALLABLE }, /* Ao */
1.13 kristaps 141: { macro_scoped_line, MDOC_CALLABLE }, /* Aq */
1.9 kristaps 142: { macro_constant, 0 }, /* At */
1.17 ! kristaps 143: { macro_close_explicit, MDOC_CALLABLE }, /* Bc */
1.16 kristaps 144: { macro_scoped, MDOC_EXPLICIT }, /* Bf */
1.17 ! kristaps 145: { macro_constant_scoped, MDOC_CALLABLE }, /* 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 */
1.17 ! kristaps 150: { macro_close_explicit, MDOC_CALLABLE }, /* Dc */
! 151: { macro_constant_scoped, MDOC_CALLABLE }, /* Do */
1.13 kristaps 152: { macro_scoped_line, MDOC_CALLABLE }, /* Dq */
1.17 ! kristaps 153: { macro_close_explicit, MDOC_CALLABLE }, /* Ec */
1.14 kristaps 154: { macro_close_explicit, 0 }, /* Ef */
1.1 kristaps 155: { macro_text, MDOC_CALLABLE }, /* Em */
1.17 ! kristaps 156: { macro_constant_scoped, MDOC_CALLABLE }, /* 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 */
1.17 ! kristaps 163: { macro_close_explicit, MDOC_CALLABLE }, /* Pc */
1.14 kristaps 164: { macro_constant, 0 }, /* Pf */
1.17 ! kristaps 165: { macro_constant_scoped, MDOC_CALLABLE }, /* Po */
1.13 kristaps 166: { macro_scoped_line, MDOC_CALLABLE }, /* Pq */
1.17 ! kristaps 167: { macro_close_explicit, MDOC_CALLABLE }, /* Qc */
1.13 kristaps 168: { macro_scoped_line, MDOC_CALLABLE }, /* Ql */
1.17 ! kristaps 169: { macro_constant_scoped, MDOC_CALLABLE }, /* Qo */
1.13 kristaps 170: { macro_scoped_line, MDOC_CALLABLE }, /* Qq */
171: { macro_scoped, MDOC_EXPLICIT }, /* Re */
172: { macro_scoped, MDOC_EXPLICIT }, /* Rs */
1.17 ! kristaps 173: { macro_close_explicit, MDOC_CALLABLE }, /* Sc */
! 174: { macro_constant_scoped, MDOC_CALLABLE }, /* 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 */
1.17 ! kristaps 181: { macro_close_explicit, MDOC_CALLABLE }, /* Xc */
! 182: { macro_constant_scoped, MDOC_CALLABLE }, /* Xo */
! 183: { macro_scoped, MDOC_EXPLICIT }, /* Fo */ /* XXX - supposed to be (but isn't) callable. */
! 184: { macro_close_explicit, 0 }, /* Fc */ /* XXX - supposed to be (but isn't) callable. */
! 185: { macro_constant_scoped, MDOC_CALLABLE }, /* Oo */
! 186: { macro_close_explicit, MDOC_CALLABLE }, /* Oc */
! 187: { macro_scoped, MDOC_EXPLICIT }, /* Bk */
! 188: { macro_close_explicit, 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:
205: static void mdoc_node_freelist(struct mdoc_node *);
206: static void mdoc_node_append(struct mdoc *, int,
207: struct mdoc_node *);
208: static void mdoc_elem_free(struct mdoc_elem *);
209: static void mdoc_text_free(struct mdoc_text *);
210:
211:
212: const struct mdoc_node *
213: mdoc_result(struct mdoc *mdoc)
214: {
215:
216: return(mdoc->first);
217: }
218:
219:
220: void
221: mdoc_free(struct mdoc *mdoc)
222: {
223:
224: if (mdoc->first)
225: mdoc_node_freelist(mdoc->first);
226: if (mdoc->htab)
1.4 kristaps 227: mdoc_tokhash_free(mdoc->htab);
1.1 kristaps 228:
229: free(mdoc);
230: }
231:
232:
233: struct mdoc *
234: mdoc_alloc(void *data, const struct mdoc_cb *cb)
235: {
236: struct mdoc *p;
237:
238: p = xcalloc(1, sizeof(struct mdoc));
239:
240: p->data = data;
241: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
242:
1.4 kristaps 243: p->htab = mdoc_tokhash_alloc();
1.1 kristaps 244: return(p);
245: }
246:
247:
248: int
249: mdoc_parseln(struct mdoc *mdoc, char *buf)
250: {
251: int c, i;
252: char tmp[5];
253:
1.5 kristaps 254: if ('.' != *buf) {
255: mdoc_word_alloc(mdoc, 0, buf);
1.13 kristaps 256: mdoc->next = MDOC_NEXT_SIBLING;
1.5 kristaps 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:
1.17 ! kristaps 329: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
1.13 kristaps 330: SEC_PROLOGUE == mdoc->sec_lastn)
331: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
332:
1.1 kristaps 333: if (NULL == (mdoc_macros[tok].fp)) {
334: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTSUP);
335: return(0);
1.3 kristaps 336: }
337:
338: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
1.1 kristaps 339: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTCALL);
340: return(0);
341: }
342:
343: return((*mdoc_macros[tok].fp)(mdoc, tok, ppos, pos, buf));
344: }
345:
346:
347: static void
348: mdoc_node_append(struct mdoc *mdoc, int pos, struct mdoc_node *p)
349: {
350: const char *nn, *on, *nt, *ot, *act;
351:
352: switch (p->type) {
353: case (MDOC_TEXT):
1.5 kristaps 354: nn = p->data.text.string;
1.1 kristaps 355: nt = "text";
356: break;
357: case (MDOC_BODY):
358: nn = mdoc_macronames[p->data.body.tok];
359: nt = "body";
360: break;
361: case (MDOC_ELEM):
362: nn = mdoc_macronames[p->data.elem.tok];
363: nt = "elem";
364: break;
365: case (MDOC_HEAD):
366: nn = mdoc_macronames[p->data.head.tok];
367: nt = "head";
368: break;
1.17 ! kristaps 369: case (MDOC_TAIL):
! 370: nn = mdoc_macronames[p->data.tail.tok];
! 371: nt = "tail";
! 372: break;
1.1 kristaps 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;
1.17 ! kristaps 407: case (MDOC_TAIL):
! 408: on = mdoc_macronames[mdoc->last->data.tail.tok];
! 409: ot = "tail";
! 410: break;
1.1 kristaps 411: case (MDOC_BLOCK):
412: on = mdoc_macronames[mdoc->last->data.block.tok];
413: ot = "block";
414: break;
1.2 kristaps 415: default:
416: abort();
417: /* NOTREACHED */
1.1 kristaps 418: }
419:
1.13 kristaps 420: switch (mdoc->next) {
421: case (MDOC_NEXT_SIBLING):
1.6 kristaps 422: mdoc->last->next = p;
423: p->prev = mdoc->last;
1.13 kristaps 424: p->parent = mdoc->last->parent;
1.6 kristaps 425: act = "sibling";
1.1 kristaps 426: break;
1.13 kristaps 427: case (MDOC_NEXT_CHILD):
428: mdoc->last->child = p;
1.1 kristaps 429: p->parent = mdoc->last;
430: act = "child";
431: break;
432: default:
1.13 kristaps 433: abort();
434: /* NOTREACHED */
1.1 kristaps 435: }
436:
1.13 kristaps 437: mdoc_msg(mdoc, pos, "parse: %s `%s' %s of %s `%s'",
1.1 kristaps 438: nt, nn, act, ot, on);
1.13 kristaps 439:
1.1 kristaps 440: mdoc->last = p;
441: }
442:
443:
444: void
1.17 ! kristaps 445: mdoc_tail_alloc(struct mdoc *mdoc, int pos, int tok)
! 446: {
! 447: struct mdoc_node *p;
! 448:
! 449: assert(mdoc->first);
! 450: assert(mdoc->last);
! 451:
! 452: p = xcalloc(1, sizeof(struct mdoc_node));
! 453:
! 454: p->type = MDOC_TAIL;
! 455: p->data.tail.tok = tok;
! 456:
! 457: mdoc_node_append(mdoc, pos, p);
! 458: }
! 459:
! 460:
! 461: void
1.13 kristaps 462: mdoc_head_alloc(struct mdoc *mdoc, int pos, int tok)
1.1 kristaps 463: {
464: struct mdoc_node *p;
465:
466: assert(mdoc->first);
467: assert(mdoc->last);
468:
469: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 470:
1.1 kristaps 471: p->type = MDOC_HEAD;
472: p->data.head.tok = tok;
473:
474: mdoc_node_append(mdoc, pos, p);
475: }
476:
477:
478: void
479: mdoc_body_alloc(struct mdoc *mdoc, int pos, int tok)
480: {
481: struct mdoc_node *p;
482:
483: assert(mdoc->first);
484: assert(mdoc->last);
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,
1.15 kristaps 514: size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 515: {
516: struct mdoc_node *p;
517:
518: p = xcalloc(1, sizeof(struct mdoc_node));
519: p->type = MDOC_ELEM;
520: p->data.elem.tok = tok;
521: p->data.elem.argc = argsz;
522: p->data.elem.argv = argdup(argsz, args);
523:
524: mdoc_node_append(mdoc, pos, p);
525: }
526:
527:
528: void
529: mdoc_word_alloc(struct mdoc *mdoc, int pos, const char *word)
530: {
531: struct mdoc_node *p;
532:
533: p = xcalloc(1, sizeof(struct mdoc_node));
534: p->type = MDOC_TEXT;
535: p->data.text.string = xstrdup(word);
536:
537: mdoc_node_append(mdoc, pos, p);
538: }
539:
540:
541: static void
542: argfree(size_t sz, struct mdoc_arg *p)
543: {
1.2 kristaps 544: int i, j;
1.1 kristaps 545:
546: if (0 == sz)
547: return;
548:
549: assert(p);
1.2 kristaps 550: /* LINTED */
551: for (i = 0; i < (int)sz; i++)
1.1 kristaps 552: if (p[i].sz > 0) {
553: assert(p[i].value);
1.2 kristaps 554: /* LINTED */
555: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 556: free(p[i].value[j]);
557: }
558: free(p);
559: }
560:
561:
562: static void
563: mdoc_elem_free(struct mdoc_elem *p)
564: {
565:
566: argfree(p->argc, p->argv);
567: }
568:
569:
570: static void
571: mdoc_block_free(struct mdoc_block *p)
572: {
573:
574: argfree(p->argc, p->argv);
575: }
576:
577:
578: static void
579: mdoc_text_free(struct mdoc_text *p)
580: {
581:
582: if (p->string)
583: free(p->string);
584: }
585:
586:
587: void
588: mdoc_node_free(struct mdoc_node *p)
589: {
590:
591: switch (p->type) {
592: case (MDOC_TEXT):
593: mdoc_text_free(&p->data.text);
594: break;
595: case (MDOC_ELEM):
596: mdoc_elem_free(&p->data.elem);
597: break;
598: case (MDOC_BLOCK):
599: mdoc_block_free(&p->data.block);
600: break;
601: default:
602: break;
603: }
604:
605: free(p);
606: }
607:
608:
609: static void
610: mdoc_node_freelist(struct mdoc_node *p)
611: {
612:
613: if (p->child)
614: mdoc_node_freelist(p->child);
615: if (p->next)
616: mdoc_node_freelist(p->next);
617:
618: mdoc_node_free(p);
619: }
620:
621:
622: int
623: mdoc_find(const struct mdoc *mdoc, const char *key)
624: {
625:
1.4 kristaps 626: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 627: }
628:
629:
630: static void
631: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
632: {
1.2 kristaps 633: int i;
1.1 kristaps 634:
635: dst->arg = src->arg;
636: if (0 == (dst->sz = src->sz))
637: return;
638: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 639: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 640: dst->value[i] = xstrdup(src->value[i]);
641: }
642:
643:
644: static struct mdoc_arg *
645: argdup(size_t argsz, const struct mdoc_arg *args)
646: {
647: struct mdoc_arg *pp;
1.2 kristaps 648: int i;
1.1 kristaps 649:
650: if (0 == argsz)
651: return(NULL);
652:
653: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 654: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 655: argcpy(&pp[i], &args[i]);
656:
657: return(pp);
658: }
659:
CVSweb
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to mdoc.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc