Annotation of mandoc/mdoc.c, Revision 1.23
1.23 ! kristaps 1: /* $Id: mdoc.c,v 1.22 2009/01/07 16:11:40 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 */
1.23 ! kristaps 129: { macro_constant, MDOC_QUOTABLE }, /* %A */
! 130: { macro_constant, MDOC_QUOTABLE }, /* %B */
1.13 kristaps 131: { macro_constant, MDOC_QUOTABLE }, /* %D */
1.23 ! kristaps 132: { macro_constant, MDOC_QUOTABLE }, /* %I */
! 133: { macro_constant, MDOC_QUOTABLE }, /* %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 */
1.23 ! kristaps 138: { macro_constant, MDOC_QUOTABLE }, /* %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 *);
1.23 ! kristaps 209: static int mdoc_node_append(struct mdoc *,
1.1 kristaps 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) {
1.23 ! kristaps 279: if (SEC_PROLOGUE != mdoc->sec_lastn) {
! 280: mdoc_word_alloc(mdoc, line, 0, buf);
! 281: mdoc->next = MDOC_NEXT_SIBLING;
! 282: return(1);
! 283: }
! 284: return(mdoc_perr(mdoc, line, 0, ERR_SYNTAX_NOTEXT));
1.1 kristaps 285: }
286:
287: if (buf[1] && '\\' == buf[1])
288: if (buf[2] && '\"' == buf[2])
289: return(1);
290:
291: i = 1;
292: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
293: i++;
294:
1.20 kristaps 295: if (i == (int)sizeof(tmp)) {
296: mdoc->flags |= MDOC_HALT;
1.23 ! kristaps 297: return(mdoc_perr(mdoc, line, 1, ERR_MACRO_NOTSUP));
1.20 kristaps 298: } else if (i <= 2) {
299: mdoc->flags |= MDOC_HALT;
1.23 ! kristaps 300: return(mdoc_perr(mdoc, line, 1, ERR_MACRO_NOTSUP));
1.20 kristaps 301: }
1.1 kristaps 302:
303: i--;
304:
1.2 kristaps 305: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 306: tmp[i++] = 0;
307:
1.20 kristaps 308: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
309: mdoc->flags |= MDOC_HALT;
1.23 ! kristaps 310: return(mdoc_perr(mdoc, line, 1, ERR_MACRO_NOTSUP));
1.20 kristaps 311: }
1.1 kristaps 312:
313: while (buf[i] && isspace(buf[i]))
314: i++;
315:
1.21 kristaps 316: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 317: mdoc->flags |= MDOC_HALT;
318: return(0);
319: }
320: return(1);
1.1 kristaps 321: }
322:
323:
324: void
1.23 ! kristaps 325: mdoc_msg(struct mdoc *mdoc, const char *fmt, ...)
1.1 kristaps 326: {
1.23 ! kristaps 327: struct mdoc_node *n;
! 328: va_list ap;
! 329: char buf[256];
1.1 kristaps 330:
331: if (NULL == mdoc->cb.mdoc_msg)
332: return;
333:
1.23 ! kristaps 334: n = mdoc->last;
! 335: assert(n);
! 336:
1.1 kristaps 337: va_start(ap, fmt);
338: (void)vsnprintf(buf, sizeof(buf), fmt, ap);
339: va_end(ap);
340:
1.23 ! kristaps 341: (*mdoc->cb.mdoc_msg)(mdoc->data, n->line, n->pos, buf);
1.1 kristaps 342: }
343:
344:
345: int
1.23 ! kristaps 346: mdoc_perr(struct mdoc *mdoc,
! 347: int line, int pos, enum mdoc_err type)
1.1 kristaps 348: {
349:
350: if (NULL == mdoc->cb.mdoc_err)
351: return(0);
1.23 ! kristaps 352: return((*mdoc->cb.mdoc_err)(mdoc->data, line, pos, type));
1.1 kristaps 353: }
354:
355:
356: int
1.23 ! kristaps 357: mdoc_pwarn(struct mdoc *mdoc,
! 358: int line, int pos, enum mdoc_warn type)
1.1 kristaps 359: {
360:
361: if (NULL == mdoc->cb.mdoc_warn)
362: return(0);
1.23 ! kristaps 363: return((*mdoc->cb.mdoc_warn)(mdoc->data, line, pos, type));
1.1 kristaps 364: }
365:
366:
367: int
1.21 kristaps 368: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 ! kristaps 369: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 370: {
371:
1.17 kristaps 372: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
1.13 kristaps 373: SEC_PROLOGUE == mdoc->sec_lastn)
1.23 ! kristaps 374: return(mdoc_perr(mdoc, ln, ppos, ERR_SEC_PROLOGUE));
1.13 kristaps 375:
1.23 ! kristaps 376: if (NULL == (mdoc_macros[tok].fp))
! 377: return(mdoc_perr(mdoc, ln, ppos, ERR_MACRO_NOTSUP));
1.3 kristaps 378:
1.23 ! kristaps 379: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
! 380: return(mdoc_perr(mdoc, ln, ppos, ERR_MACRO_NOTCALL));
1.1 kristaps 381:
1.23 ! kristaps 382: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 383: }
384:
385:
1.23 ! kristaps 386: static int
! 387: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 388: {
389: const char *nn, *on, *nt, *ot, *act;
390:
391: switch (p->type) {
392: case (MDOC_TEXT):
1.5 kristaps 393: nn = p->data.text.string;
1.1 kristaps 394: nt = "text";
395: break;
396: case (MDOC_BODY):
397: nn = mdoc_macronames[p->data.body.tok];
398: nt = "body";
399: break;
400: case (MDOC_ELEM):
401: nn = mdoc_macronames[p->data.elem.tok];
402: nt = "elem";
403: break;
404: case (MDOC_HEAD):
405: nn = mdoc_macronames[p->data.head.tok];
406: nt = "head";
407: break;
1.17 kristaps 408: case (MDOC_TAIL):
409: nn = mdoc_macronames[p->data.tail.tok];
410: nt = "tail";
411: break;
1.1 kristaps 412: case (MDOC_BLOCK):
413: nn = mdoc_macronames[p->data.block.tok];
414: nt = "block";
415: break;
1.2 kristaps 416: default:
417: abort();
418: /* NOTREACHED */
1.1 kristaps 419: }
420:
421: if (NULL == mdoc->first) {
422: assert(NULL == mdoc->last);
1.23 ! kristaps 423: if ( ! mdoc_valid_pre(mdoc, p))
! 424: return(0);
! 425: if ( ! mdoc_action_pre(mdoc, p))
! 426: return(0);
1.1 kristaps 427: mdoc->first = p;
428: mdoc->last = p;
1.23 ! kristaps 429: mdoc_msg(mdoc, "parse: root %s `%s'", nt, nn);
! 430: return(1);
1.1 kristaps 431: }
432:
433: switch (mdoc->last->type) {
434: case (MDOC_TEXT):
435: on = "<text>";
436: ot = "text";
437: break;
438: case (MDOC_BODY):
439: on = mdoc_macronames[mdoc->last->data.body.tok];
440: ot = "body";
441: break;
442: case (MDOC_ELEM):
443: on = mdoc_macronames[mdoc->last->data.elem.tok];
444: ot = "elem";
445: break;
446: case (MDOC_HEAD):
447: on = mdoc_macronames[mdoc->last->data.head.tok];
448: ot = "head";
449: break;
1.17 kristaps 450: case (MDOC_TAIL):
451: on = mdoc_macronames[mdoc->last->data.tail.tok];
452: ot = "tail";
453: break;
1.1 kristaps 454: case (MDOC_BLOCK):
455: on = mdoc_macronames[mdoc->last->data.block.tok];
456: ot = "block";
457: break;
1.2 kristaps 458: default:
459: abort();
460: /* NOTREACHED */
1.1 kristaps 461: }
462:
1.13 kristaps 463: switch (mdoc->next) {
464: case (MDOC_NEXT_SIBLING):
1.6 kristaps 465: mdoc->last->next = p;
466: p->prev = mdoc->last;
1.13 kristaps 467: p->parent = mdoc->last->parent;
1.6 kristaps 468: act = "sibling";
1.1 kristaps 469: break;
1.13 kristaps 470: case (MDOC_NEXT_CHILD):
471: mdoc->last->child = p;
1.1 kristaps 472: p->parent = mdoc->last;
473: act = "child";
474: break;
475: default:
1.13 kristaps 476: abort();
477: /* NOTREACHED */
1.1 kristaps 478: }
479:
1.23 ! kristaps 480: if ( ! mdoc_valid_pre(mdoc, p))
! 481: return(0);
! 482: if ( ! mdoc_action_pre(mdoc, p))
! 483: return(0);
1.1 kristaps 484: mdoc->last = p;
1.23 ! kristaps 485: mdoc_msg(mdoc, "parse: %s of %s `%s'", act, ot, on);
! 486: return(1);
1.1 kristaps 487: }
488:
489:
1.23 ! kristaps 490: int
1.22 kristaps 491: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 492: {
493: struct mdoc_node *p;
494:
495: assert(mdoc->first);
496: assert(mdoc->last);
497:
498: p = xcalloc(1, sizeof(struct mdoc_node));
499:
1.22 kristaps 500: p->line = line;
501: p->pos = pos;
1.17 kristaps 502: p->type = MDOC_TAIL;
503: p->data.tail.tok = tok;
504:
1.23 ! kristaps 505: return(mdoc_node_append(mdoc, p));
1.17 kristaps 506: }
507:
508:
1.23 ! kristaps 509: int
1.22 kristaps 510: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 511: {
512: struct mdoc_node *p;
513:
514: assert(mdoc->first);
515: assert(mdoc->last);
516:
517: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 518:
1.22 kristaps 519: p->line = line;
520: p->pos = pos;
1.1 kristaps 521: p->type = MDOC_HEAD;
522: p->data.head.tok = tok;
523:
1.23 ! kristaps 524: return(mdoc_node_append(mdoc, p));
1.1 kristaps 525: }
526:
527:
1.23 ! kristaps 528: int
1.22 kristaps 529: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 530: {
531: struct mdoc_node *p;
532:
533: assert(mdoc->first);
534: assert(mdoc->last);
535:
536: p = xcalloc(1, sizeof(struct mdoc_node));
537:
1.22 kristaps 538: p->line = line;
539: p->pos = pos;
1.1 kristaps 540: p->type = MDOC_BODY;
541: p->data.body.tok = tok;
542:
1.23 ! kristaps 543: return(mdoc_node_append(mdoc, p));
1.1 kristaps 544: }
545:
546:
1.23 ! kristaps 547: int
1.22 kristaps 548: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
549: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 550: {
551: struct mdoc_node *p;
552:
553: p = xcalloc(1, sizeof(struct mdoc_node));
554:
1.22 kristaps 555: p->pos = pos;
556: p->line = line;
1.1 kristaps 557: p->type = MDOC_BLOCK;
558: p->data.block.tok = tok;
559: p->data.block.argc = argsz;
560: p->data.block.argv = argdup(argsz, args);
561:
1.23 ! kristaps 562: return(mdoc_node_append(mdoc, p));
1.1 kristaps 563: }
564:
565:
1.23 ! kristaps 566: int
1.22 kristaps 567: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
568: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 569: {
570: struct mdoc_node *p;
571:
572: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 573:
574: p->line = line;
575: p->pos = pos;
1.1 kristaps 576: p->type = MDOC_ELEM;
577: p->data.elem.tok = tok;
578: p->data.elem.argc = argsz;
579: p->data.elem.argv = argdup(argsz, args);
580:
1.23 ! kristaps 581: return(mdoc_node_append(mdoc, p));
1.1 kristaps 582: }
583:
584:
1.23 ! kristaps 585: int
1.22 kristaps 586: mdoc_word_alloc(struct mdoc *mdoc,
587: int line, int pos, const char *word)
1.1 kristaps 588: {
589: struct mdoc_node *p;
590:
591: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 592: p->line = line;
593: p->pos = pos;
1.1 kristaps 594: p->type = MDOC_TEXT;
595: p->data.text.string = xstrdup(word);
596:
1.23 ! kristaps 597: return(mdoc_node_append(mdoc, p));
1.1 kristaps 598: }
599:
600:
601: static void
602: argfree(size_t sz, struct mdoc_arg *p)
603: {
1.2 kristaps 604: int i, j;
1.1 kristaps 605:
606: if (0 == sz)
607: return;
608:
609: assert(p);
1.2 kristaps 610: /* LINTED */
611: for (i = 0; i < (int)sz; i++)
1.1 kristaps 612: if (p[i].sz > 0) {
613: assert(p[i].value);
1.2 kristaps 614: /* LINTED */
615: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 616: free(p[i].value[j]);
1.19 kristaps 617: free(p[i].value);
1.1 kristaps 618: }
619: free(p);
620: }
621:
622:
623: static void
624: mdoc_elem_free(struct mdoc_elem *p)
625: {
626:
627: argfree(p->argc, p->argv);
628: }
629:
630:
631: static void
632: mdoc_block_free(struct mdoc_block *p)
633: {
634:
635: argfree(p->argc, p->argv);
636: }
637:
638:
639: static void
640: mdoc_text_free(struct mdoc_text *p)
641: {
642:
643: if (p->string)
644: free(p->string);
645: }
646:
647:
648: void
649: mdoc_node_free(struct mdoc_node *p)
650: {
651:
652: switch (p->type) {
653: case (MDOC_TEXT):
654: mdoc_text_free(&p->data.text);
655: break;
656: case (MDOC_ELEM):
657: mdoc_elem_free(&p->data.elem);
658: break;
659: case (MDOC_BLOCK):
660: mdoc_block_free(&p->data.block);
661: break;
662: default:
663: break;
664: }
665:
666: free(p);
667: }
668:
669:
670: static void
671: mdoc_node_freelist(struct mdoc_node *p)
672: {
673:
674: if (p->child)
675: mdoc_node_freelist(p->child);
676: if (p->next)
677: mdoc_node_freelist(p->next);
678:
679: mdoc_node_free(p);
680: }
681:
682:
683: int
684: mdoc_find(const struct mdoc *mdoc, const char *key)
685: {
686:
1.4 kristaps 687: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 688: }
689:
690:
691: static void
692: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
693: {
1.2 kristaps 694: int i;
1.1 kristaps 695:
696: dst->arg = src->arg;
697: if (0 == (dst->sz = src->sz))
698: return;
699: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 700: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 701: dst->value[i] = xstrdup(src->value[i]);
702: }
703:
704:
705: static struct mdoc_arg *
706: argdup(size_t argsz, const struct mdoc_arg *args)
707: {
708: struct mdoc_arg *pp;
1.2 kristaps 709: int i;
1.1 kristaps 710:
711: if (0 == argsz)
712: return(NULL);
713:
714: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 715: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 716: argcpy(&pp[i], &args[i]);
717:
718: return(pp);
719: }
720:
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