Annotation of mandoc/mdoc.c, Revision 1.22
1.22 ! kristaps 1: /* $Id: mdoc.c,v 1.21 2009/01/07 15:57:14 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 */
1.19 kristaps 94: { macro_scoped_line, MDOC_PARSED }, /* D1 */
95: { macro_scoped_line, MDOC_PARSED }, /* 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 */
1.19 kristaps 100: { macro_scoped, MDOC_NESTED | MDOC_PARSED }, /* It */
101: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
102: { macro_constant, MDOC_PARSED }, /* An */
103: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.12 kristaps 104: { macro_constant, MDOC_QUOTABLE }, /* Cd */
1.19 kristaps 105: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
106: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
107: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
108: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.13 kristaps 109: { macro_constant, 0 }, /* Ex */
1.19 kristaps 110: { macro_text, MDOC_CALLABLE | MDOC_QUOTABLE | MDOC_PARSED }, /* Fa */
1.13 kristaps 111: { macro_constant, 0 }, /* Fd */
1.19 kristaps 112: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
113: { macro_text, MDOC_CALLABLE | MDOC_QUOTABLE | MDOC_PARSED }, /* Fn */
114: { macro_text, MDOC_PARSED }, /* Ft */
115: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */
1.13 kristaps 116: { macro_constant, 0 }, /* In */
1.19 kristaps 117: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Li */
1.10 kristaps 118: { macro_constant, 0 }, /* Nd */
1.19 kristaps 119: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
120: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.13 kristaps 121: { macro_obsolete, 0 }, /* Ot */
1.19 kristaps 122: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
1.13 kristaps 123: { macro_constant, 0 }, /* Rv */
1.22 ! kristaps 124: /* XXX - .St supposed to be (but isn't) callable. */
1.19 kristaps 125: { macro_constant_delimited, MDOC_PARSED }, /* St */
126: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
127: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
128: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
129: { macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %A */
130: { macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %B */
1.13 kristaps 131: { macro_constant, MDOC_QUOTABLE }, /* %D */
1.19 kristaps 132: { macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %I */
133: { macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %J */
1.13 kristaps 134: { macro_constant, MDOC_QUOTABLE }, /* %N */
135: { macro_constant, MDOC_QUOTABLE }, /* %O */
136: { macro_constant, MDOC_QUOTABLE }, /* %P */
137: { macro_constant, MDOC_QUOTABLE }, /* %R */
1.19 kristaps 138: { macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %T */
1.13 kristaps 139: { macro_constant, MDOC_QUOTABLE }, /* %V */
1.19 kristaps 140: { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Ac */
141: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Ao */
142: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */
1.9 kristaps 143: { macro_constant, 0 }, /* At */
1.19 kristaps 144: { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Bc */
1.16 kristaps 145: { macro_scoped, MDOC_EXPLICIT }, /* Bf */
1.19 kristaps 146: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Bo */
147: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */
148: { macro_constant_delimited, MDOC_PARSED }, /* Bsx */
149: { macro_constant_delimited, MDOC_PARSED }, /* Bx */
1.13 kristaps 150: { macro_constant, 0 }, /* Db */
1.19 kristaps 151: { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Dc */
152: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Do */
153: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */
154: { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Ec */
1.14 kristaps 155: { macro_close_explicit, 0 }, /* Ef */
1.19 kristaps 156: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Em */
157: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Eo */
158: { macro_constant_delimited, MDOC_PARSED }, /* Fx */
159: { macro_text, MDOC_PARSED }, /* Ms */
160: { macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* No */
161: { macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */
162: { macro_constant_delimited, MDOC_PARSED }, /* Nx */
163: { macro_constant_delimited, MDOC_PARSED }, /* Ox */
164: { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Pc */
165: { macro_constant, MDOC_PARSED }, /* Pf */
166: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Po */
167: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */
168: { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Qc */
169: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */
170: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Qo */
171: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */
1.18 kristaps 172: { macro_close_explicit, 0 }, /* Re */
1.13 kristaps 173: { macro_scoped, MDOC_EXPLICIT }, /* Rs */
1.19 kristaps 174: { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Sc */
175: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* So */
176: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */
1.13 kristaps 177: { macro_constant, 0 }, /* Sm */
1.19 kristaps 178: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */
179: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */
180: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
181: { macro_constant_delimited, MDOC_PARSED }, /* Ux */
182: { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
183: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Xo */
184: /* XXX - .Fo supposed to be (but isn't) callable. */
185: { macro_scoped, MDOC_EXPLICIT | MDOC_PARSED }, /* Fo */
186: /* XXX - .Fc supposed to be (but isn't) callable. */
187: { macro_close_explicit, MDOC_PARSED }, /* Fc */
188: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Oo */
189: { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Oc */
1.17 kristaps 190: { macro_scoped, MDOC_EXPLICIT }, /* Bk */
191: { macro_close_explicit, 0 }, /* Ek */
1.9 kristaps 192: { macro_constant, 0 }, /* Bt */
1.10 kristaps 193: { macro_constant, 0 }, /* Hf */
1.12 kristaps 194: { macro_obsolete, 0 }, /* Fr */
1.9 kristaps 195: { macro_constant, 0 }, /* Ud */
1.1 kristaps 196: };
197:
198: const char * const *mdoc_macronames = __mdoc_macronames;
199: const char * const *mdoc_argnames = __mdoc_argnames;
200: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
201:
202:
203: static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *);
204: static void argfree(size_t, struct mdoc_arg *);
205: static void argcpy(struct mdoc_arg *,
206: const struct mdoc_arg *);
207:
208: static void mdoc_node_freelist(struct mdoc_node *);
209: static void mdoc_node_append(struct mdoc *, int,
210: struct mdoc_node *);
211: static void mdoc_elem_free(struct mdoc_elem *);
212: static void mdoc_text_free(struct mdoc_text *);
213:
214:
215: const struct mdoc_node *
216: mdoc_result(struct mdoc *mdoc)
217: {
218:
219: return(mdoc->first);
220: }
221:
222:
223: void
224: mdoc_free(struct mdoc *mdoc)
225: {
226:
227: if (mdoc->first)
228: mdoc_node_freelist(mdoc->first);
229: if (mdoc->htab)
1.4 kristaps 230: mdoc_tokhash_free(mdoc->htab);
1.1 kristaps 231:
232: free(mdoc);
233: }
234:
235:
236: struct mdoc *
237: mdoc_alloc(void *data, const struct mdoc_cb *cb)
238: {
239: struct mdoc *p;
240:
241: p = xcalloc(1, sizeof(struct mdoc));
242:
243: p->data = data;
244: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
245:
1.4 kristaps 246: p->htab = mdoc_tokhash_alloc();
1.1 kristaps 247: return(p);
248: }
249:
250:
251: int
1.20 kristaps 252: mdoc_endparse(struct mdoc *mdoc)
253: {
254:
255: if (MDOC_HALT & mdoc->flags)
256: return(0);
257: if (NULL == mdoc->first)
258: return(1);
259:
260: assert(mdoc->last);
261: if ( ! macro_end(mdoc)) {
262: mdoc->flags |= MDOC_HALT;
263: return(0);
264: }
265: return(1);
266: }
267:
268:
269: int
270: mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
1.1 kristaps 271: {
272: int c, i;
273: char tmp[5];
274:
1.20 kristaps 275: if (MDOC_HALT & mdoc->flags)
276: return(0);
277:
1.5 kristaps 278: if ('.' != *buf) {
1.18 kristaps 279: if (SEC_PROLOGUE == mdoc->sec_lastn)
280: return(mdoc_err(mdoc, -1, 0, ERR_SYNTAX_NOTEXT));
1.22 ! kristaps 281: mdoc_word_alloc(mdoc, line, 0, buf);
1.13 kristaps 282: mdoc->next = MDOC_NEXT_SIBLING;
1.5 kristaps 283: return(1);
1.1 kristaps 284: }
285:
286: if (buf[1] && '\\' == buf[1])
287: if (buf[2] && '\"' == buf[2])
288: return(1);
289:
290: i = 1;
291: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
292: i++;
293:
1.20 kristaps 294: if (i == (int)sizeof(tmp)) {
295: mdoc->flags |= MDOC_HALT;
1.1 kristaps 296: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
1.20 kristaps 297: } else if (i <= 2) {
298: mdoc->flags |= MDOC_HALT;
1.1 kristaps 299: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
1.20 kristaps 300: }
1.1 kristaps 301:
302: i--;
303:
1.2 kristaps 304: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 305: tmp[i++] = 0;
306:
1.20 kristaps 307: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
308: mdoc->flags |= MDOC_HALT;
1.1 kristaps 309: return(mdoc_err(mdoc, c, 1, ERR_MACRO_NOTSUP));
1.20 kristaps 310: }
1.1 kristaps 311:
312: while (buf[i] && isspace(buf[i]))
313: i++;
314:
1.21 kristaps 315: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 316: mdoc->flags |= MDOC_HALT;
317: return(0);
318: }
319: return(1);
1.1 kristaps 320: }
321:
322:
323: void
324: mdoc_msg(struct mdoc *mdoc, int pos, const char *fmt, ...)
325: {
326: va_list ap;
327: char buf[256];
328:
329: if (NULL == mdoc->cb.mdoc_msg)
330: return;
331:
332: va_start(ap, fmt);
333: (void)vsnprintf(buf, sizeof(buf), fmt, ap);
334: va_end(ap);
335:
336: (*mdoc->cb.mdoc_msg)(mdoc->data, pos, buf);
337: }
338:
339:
340: int
341: mdoc_err(struct mdoc *mdoc, int tok, int pos, enum mdoc_err type)
342: {
343:
344: if (NULL == mdoc->cb.mdoc_err)
345: return(0);
346: return((*mdoc->cb.mdoc_err)(mdoc->data, tok, pos, type));
347: }
348:
349:
350: int
351: mdoc_warn(struct mdoc *mdoc, int tok, int pos, enum mdoc_warn type)
352: {
353:
354: if (NULL == mdoc->cb.mdoc_warn)
355: return(0);
356: return((*mdoc->cb.mdoc_warn)(mdoc->data, tok, pos, type));
357: }
358:
359:
360: int
1.21 kristaps 361: mdoc_macro(struct mdoc *mdoc, int tok,
362: int line, int ppos, int *pos, char *buf)
1.1 kristaps 363: {
364:
1.17 kristaps 365: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
1.13 kristaps 366: SEC_PROLOGUE == mdoc->sec_lastn)
367: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
368:
1.1 kristaps 369: if (NULL == (mdoc_macros[tok].fp)) {
370: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTSUP);
371: return(0);
1.3 kristaps 372: }
373:
374: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
1.1 kristaps 375: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTCALL);
376: return(0);
377: }
378:
1.22 ! kristaps 379: return((*mdoc_macros[tok].fp)(mdoc, tok,
! 380: line, ppos, pos, buf));
1.1 kristaps 381: }
382:
383:
384: static void
385: mdoc_node_append(struct mdoc *mdoc, int pos, struct mdoc_node *p)
386: {
387: const char *nn, *on, *nt, *ot, *act;
388:
389: switch (p->type) {
390: case (MDOC_TEXT):
1.5 kristaps 391: nn = p->data.text.string;
1.1 kristaps 392: nt = "text";
393: break;
394: case (MDOC_BODY):
395: nn = mdoc_macronames[p->data.body.tok];
396: nt = "body";
397: break;
398: case (MDOC_ELEM):
399: nn = mdoc_macronames[p->data.elem.tok];
400: nt = "elem";
401: break;
402: case (MDOC_HEAD):
403: nn = mdoc_macronames[p->data.head.tok];
404: nt = "head";
405: break;
1.17 kristaps 406: case (MDOC_TAIL):
407: nn = mdoc_macronames[p->data.tail.tok];
408: nt = "tail";
409: break;
1.1 kristaps 410: case (MDOC_BLOCK):
411: nn = mdoc_macronames[p->data.block.tok];
412: nt = "block";
413: break;
1.2 kristaps 414: default:
415: abort();
416: /* NOTREACHED */
1.1 kristaps 417: }
418:
419: if (NULL == mdoc->first) {
420: assert(NULL == mdoc->last);
421: mdoc->first = p;
422: mdoc->last = p;
423: mdoc_msg(mdoc, pos, "parse: root %s `%s'", nt, nn);
424: return;
425: }
426:
427: switch (mdoc->last->type) {
428: case (MDOC_TEXT):
429: on = "<text>";
430: ot = "text";
431: break;
432: case (MDOC_BODY):
433: on = mdoc_macronames[mdoc->last->data.body.tok];
434: ot = "body";
435: break;
436: case (MDOC_ELEM):
437: on = mdoc_macronames[mdoc->last->data.elem.tok];
438: ot = "elem";
439: break;
440: case (MDOC_HEAD):
441: on = mdoc_macronames[mdoc->last->data.head.tok];
442: ot = "head";
443: break;
1.17 kristaps 444: case (MDOC_TAIL):
445: on = mdoc_macronames[mdoc->last->data.tail.tok];
446: ot = "tail";
447: break;
1.1 kristaps 448: case (MDOC_BLOCK):
449: on = mdoc_macronames[mdoc->last->data.block.tok];
450: ot = "block";
451: break;
1.2 kristaps 452: default:
453: abort();
454: /* NOTREACHED */
1.1 kristaps 455: }
456:
1.13 kristaps 457: switch (mdoc->next) {
458: case (MDOC_NEXT_SIBLING):
1.6 kristaps 459: mdoc->last->next = p;
460: p->prev = mdoc->last;
1.13 kristaps 461: p->parent = mdoc->last->parent;
1.6 kristaps 462: act = "sibling";
1.1 kristaps 463: break;
1.13 kristaps 464: case (MDOC_NEXT_CHILD):
465: mdoc->last->child = p;
1.1 kristaps 466: p->parent = mdoc->last;
467: act = "child";
468: break;
469: default:
1.13 kristaps 470: abort();
471: /* NOTREACHED */
1.1 kristaps 472: }
473:
1.13 kristaps 474: mdoc_msg(mdoc, pos, "parse: %s `%s' %s of %s `%s'",
1.1 kristaps 475: nt, nn, act, ot, on);
1.13 kristaps 476:
1.1 kristaps 477: mdoc->last = p;
478: }
479:
480:
481: void
1.22 ! kristaps 482: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 483: {
484: struct mdoc_node *p;
485:
486: assert(mdoc->first);
487: assert(mdoc->last);
488:
489: p = xcalloc(1, sizeof(struct mdoc_node));
490:
1.22 ! kristaps 491: p->line = line;
! 492: p->pos = pos;
1.17 kristaps 493: p->type = MDOC_TAIL;
494: p->data.tail.tok = tok;
495:
496: mdoc_node_append(mdoc, pos, p);
497: }
498:
499:
500: void
1.22 ! kristaps 501: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 502: {
503: struct mdoc_node *p;
504:
505: assert(mdoc->first);
506: assert(mdoc->last);
507:
508: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 509:
1.22 ! kristaps 510: p->line = line;
! 511: p->pos = pos;
1.1 kristaps 512: p->type = MDOC_HEAD;
513: p->data.head.tok = tok;
514:
515: mdoc_node_append(mdoc, pos, p);
516: }
517:
518:
519: void
1.22 ! kristaps 520: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 521: {
522: struct mdoc_node *p;
523:
524: assert(mdoc->first);
525: assert(mdoc->last);
526:
527: p = xcalloc(1, sizeof(struct mdoc_node));
528:
1.22 ! kristaps 529: p->line = line;
! 530: p->pos = pos;
1.1 kristaps 531: p->type = MDOC_BODY;
532: p->data.body.tok = tok;
533:
534: mdoc_node_append(mdoc, pos, p);
535: }
536:
537:
538: void
1.22 ! kristaps 539: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
! 540: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 541: {
542: struct mdoc_node *p;
543:
544: p = xcalloc(1, sizeof(struct mdoc_node));
545:
1.22 ! kristaps 546: p->pos = pos;
! 547: p->line = line;
1.1 kristaps 548: p->type = MDOC_BLOCK;
549: p->data.block.tok = tok;
550: p->data.block.argc = argsz;
551: p->data.block.argv = argdup(argsz, args);
552:
553: mdoc_node_append(mdoc, pos, p);
554: }
555:
556:
557: void
1.22 ! kristaps 558: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
! 559: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 560: {
561: struct mdoc_node *p;
562:
563: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 ! kristaps 564:
! 565: p->line = line;
! 566: p->pos = pos;
1.1 kristaps 567: p->type = MDOC_ELEM;
568: p->data.elem.tok = tok;
569: p->data.elem.argc = argsz;
570: p->data.elem.argv = argdup(argsz, args);
571:
572: mdoc_node_append(mdoc, pos, p);
573: }
574:
575:
576: void
1.22 ! kristaps 577: mdoc_word_alloc(struct mdoc *mdoc,
! 578: int line, int pos, const char *word)
1.1 kristaps 579: {
580: struct mdoc_node *p;
581:
582: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 ! kristaps 583: p->line = line;
! 584: p->pos = pos;
1.1 kristaps 585: p->type = MDOC_TEXT;
586: p->data.text.string = xstrdup(word);
587:
588: mdoc_node_append(mdoc, pos, p);
589: }
590:
591:
592: static void
593: argfree(size_t sz, struct mdoc_arg *p)
594: {
1.2 kristaps 595: int i, j;
1.1 kristaps 596:
597: if (0 == sz)
598: return;
599:
600: assert(p);
1.2 kristaps 601: /* LINTED */
602: for (i = 0; i < (int)sz; i++)
1.1 kristaps 603: if (p[i].sz > 0) {
604: assert(p[i].value);
1.2 kristaps 605: /* LINTED */
606: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 607: free(p[i].value[j]);
1.19 kristaps 608: free(p[i].value);
1.1 kristaps 609: }
610: free(p);
611: }
612:
613:
614: static void
615: mdoc_elem_free(struct mdoc_elem *p)
616: {
617:
618: argfree(p->argc, p->argv);
619: }
620:
621:
622: static void
623: mdoc_block_free(struct mdoc_block *p)
624: {
625:
626: argfree(p->argc, p->argv);
627: }
628:
629:
630: static void
631: mdoc_text_free(struct mdoc_text *p)
632: {
633:
634: if (p->string)
635: free(p->string);
636: }
637:
638:
639: void
640: mdoc_node_free(struct mdoc_node *p)
641: {
642:
643: switch (p->type) {
644: case (MDOC_TEXT):
645: mdoc_text_free(&p->data.text);
646: break;
647: case (MDOC_ELEM):
648: mdoc_elem_free(&p->data.elem);
649: break;
650: case (MDOC_BLOCK):
651: mdoc_block_free(&p->data.block);
652: break;
653: default:
654: break;
655: }
656:
657: free(p);
658: }
659:
660:
661: static void
662: mdoc_node_freelist(struct mdoc_node *p)
663: {
664:
665: if (p->child)
666: mdoc_node_freelist(p->child);
667: if (p->next)
668: mdoc_node_freelist(p->next);
669:
670: mdoc_node_free(p);
671: }
672:
673:
674: int
675: mdoc_find(const struct mdoc *mdoc, const char *key)
676: {
677:
1.4 kristaps 678: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 679: }
680:
681:
682: static void
683: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
684: {
1.2 kristaps 685: int i;
1.1 kristaps 686:
687: dst->arg = src->arg;
688: if (0 == (dst->sz = src->sz))
689: return;
690: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 691: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 692: dst->value[i] = xstrdup(src->value[i]);
693: }
694:
695:
696: static struct mdoc_arg *
697: argdup(size_t argsz, const struct mdoc_arg *args)
698: {
699: struct mdoc_arg *pp;
1.2 kristaps 700: int i;
1.1 kristaps 701:
702: if (0 == argsz)
703: return(NULL);
704:
705: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 706: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 707: argcpy(&pp[i], &args[i]);
708:
709: return(pp);
710: }
711:
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