Annotation of mandoc/mdoc.c, Revision 1.25
1.25 ! kristaps 1: /* $Id: mdoc.c,v 1.24 2009/01/08 15:05:50 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 }, /* \" */
1.24 kristaps 88: { macro_constant, MDOC_PROLOGUE }, /* Dd */
89: { macro_constant, MDOC_PROLOGUE }, /* Dt */
90: { macro_constant, 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:
1.25 ! kristaps 246: p->last = xcalloc(1, sizeof(struct mdoc_node));
! 247: p->last->type = MDOC_ROOT;
! 248: p->first = p->last;
! 249:
! 250: p->next = MDOC_NEXT_CHILD;
1.4 kristaps 251: p->htab = mdoc_tokhash_alloc();
1.25 ! kristaps 252:
1.1 kristaps 253: return(p);
254: }
255:
256:
257: int
1.20 kristaps 258: mdoc_endparse(struct mdoc *mdoc)
259: {
260:
261: if (MDOC_HALT & mdoc->flags)
262: return(0);
263: if (NULL == mdoc->first)
264: return(1);
265:
266: assert(mdoc->last);
267: if ( ! macro_end(mdoc)) {
268: mdoc->flags |= MDOC_HALT;
269: return(0);
270: }
271: return(1);
272: }
273:
274:
275: int
276: mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
1.1 kristaps 277: {
278: int c, i;
279: char tmp[5];
280:
1.20 kristaps 281: if (MDOC_HALT & mdoc->flags)
282: return(0);
283:
1.5 kristaps 284: if ('.' != *buf) {
1.23 kristaps 285: if (SEC_PROLOGUE != mdoc->sec_lastn) {
286: mdoc_word_alloc(mdoc, line, 0, buf);
287: mdoc->next = MDOC_NEXT_SIBLING;
288: return(1);
289: }
290: return(mdoc_perr(mdoc, line, 0, ERR_SYNTAX_NOTEXT));
1.1 kristaps 291: }
292:
293: if (buf[1] && '\\' == buf[1])
294: if (buf[2] && '\"' == buf[2])
295: return(1);
296:
297: i = 1;
298: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
299: i++;
300:
1.20 kristaps 301: if (i == (int)sizeof(tmp)) {
302: mdoc->flags |= MDOC_HALT;
1.23 kristaps 303: return(mdoc_perr(mdoc, line, 1, ERR_MACRO_NOTSUP));
1.20 kristaps 304: } else if (i <= 2) {
305: mdoc->flags |= MDOC_HALT;
1.23 kristaps 306: return(mdoc_perr(mdoc, line, 1, ERR_MACRO_NOTSUP));
1.20 kristaps 307: }
1.1 kristaps 308:
309: i--;
310:
1.2 kristaps 311: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 312: tmp[i++] = 0;
313:
1.20 kristaps 314: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
315: mdoc->flags |= MDOC_HALT;
1.23 kristaps 316: return(mdoc_perr(mdoc, line, 1, ERR_MACRO_NOTSUP));
1.20 kristaps 317: }
1.1 kristaps 318:
319: while (buf[i] && isspace(buf[i]))
320: i++;
321:
1.21 kristaps 322: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 323: mdoc->flags |= MDOC_HALT;
324: return(0);
325: }
326: return(1);
1.1 kristaps 327: }
328:
329:
330: void
1.23 kristaps 331: mdoc_msg(struct mdoc *mdoc, const char *fmt, ...)
1.1 kristaps 332: {
1.23 kristaps 333: struct mdoc_node *n;
334: va_list ap;
335: char buf[256];
1.1 kristaps 336:
337: if (NULL == mdoc->cb.mdoc_msg)
338: return;
339:
1.23 kristaps 340: n = mdoc->last;
341: assert(n);
342:
1.1 kristaps 343: va_start(ap, fmt);
344: (void)vsnprintf(buf, sizeof(buf), fmt, ap);
345: va_end(ap);
346:
1.23 kristaps 347: (*mdoc->cb.mdoc_msg)(mdoc->data, n->line, n->pos, buf);
1.1 kristaps 348: }
349:
350:
351: int
1.23 kristaps 352: mdoc_perr(struct mdoc *mdoc,
353: int line, int pos, enum mdoc_err type)
1.1 kristaps 354: {
355:
356: if (NULL == mdoc->cb.mdoc_err)
357: return(0);
1.23 kristaps 358: return((*mdoc->cb.mdoc_err)(mdoc->data, line, pos, type));
1.1 kristaps 359: }
360:
361:
362: int
1.23 kristaps 363: mdoc_pwarn(struct mdoc *mdoc,
364: int line, int pos, enum mdoc_warn type)
1.1 kristaps 365: {
366:
367: if (NULL == mdoc->cb.mdoc_warn)
368: return(0);
1.23 kristaps 369: return((*mdoc->cb.mdoc_warn)(mdoc->data, line, pos, type));
1.1 kristaps 370: }
371:
372:
373: int
1.21 kristaps 374: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 kristaps 375: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 376: {
377:
1.17 kristaps 378: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
1.13 kristaps 379: SEC_PROLOGUE == mdoc->sec_lastn)
1.23 kristaps 380: return(mdoc_perr(mdoc, ln, ppos, ERR_SEC_PROLOGUE));
1.13 kristaps 381:
1.23 kristaps 382: if (NULL == (mdoc_macros[tok].fp))
383: return(mdoc_perr(mdoc, ln, ppos, ERR_MACRO_NOTSUP));
1.3 kristaps 384:
1.23 kristaps 385: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
386: return(mdoc_perr(mdoc, ln, ppos, ERR_MACRO_NOTCALL));
1.1 kristaps 387:
1.23 kristaps 388: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 389: }
390:
391:
1.23 kristaps 392: static int
393: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 394: {
395: const char *nn, *on, *nt, *ot, *act;
396:
397: switch (p->type) {
398: case (MDOC_TEXT):
1.5 kristaps 399: nn = p->data.text.string;
1.1 kristaps 400: nt = "text";
401: break;
402: case (MDOC_BODY):
403: nn = mdoc_macronames[p->data.body.tok];
404: nt = "body";
405: break;
406: case (MDOC_ELEM):
407: nn = mdoc_macronames[p->data.elem.tok];
408: nt = "elem";
409: break;
410: case (MDOC_HEAD):
411: nn = mdoc_macronames[p->data.head.tok];
412: nt = "head";
413: break;
1.17 kristaps 414: case (MDOC_TAIL):
415: nn = mdoc_macronames[p->data.tail.tok];
416: nt = "tail";
417: break;
1.1 kristaps 418: case (MDOC_BLOCK):
419: nn = mdoc_macronames[p->data.block.tok];
420: nt = "block";
421: break;
1.2 kristaps 422: default:
423: abort();
424: /* NOTREACHED */
1.1 kristaps 425: }
426:
1.25 ! kristaps 427: assert(mdoc->last);
! 428: assert(mdoc->first);
! 429: assert(MDOC_ROOT != p->type);
1.1 kristaps 430:
431: switch (mdoc->last->type) {
432: case (MDOC_TEXT):
433: on = "<text>";
434: ot = "text";
435: break;
436: case (MDOC_BODY):
437: on = mdoc_macronames[mdoc->last->data.body.tok];
438: ot = "body";
439: break;
440: case (MDOC_ELEM):
441: on = mdoc_macronames[mdoc->last->data.elem.tok];
442: ot = "elem";
443: break;
444: case (MDOC_HEAD):
445: on = mdoc_macronames[mdoc->last->data.head.tok];
446: ot = "head";
447: break;
1.17 kristaps 448: case (MDOC_TAIL):
449: on = mdoc_macronames[mdoc->last->data.tail.tok];
450: ot = "tail";
451: break;
1.1 kristaps 452: case (MDOC_BLOCK):
453: on = mdoc_macronames[mdoc->last->data.block.tok];
454: ot = "block";
455: break;
1.25 ! kristaps 456: case (MDOC_ROOT):
! 457: on = "root";
! 458: ot = "root";
! 459: break;
1.2 kristaps 460: default:
461: abort();
462: /* NOTREACHED */
1.1 kristaps 463: }
464:
1.13 kristaps 465: switch (mdoc->next) {
466: case (MDOC_NEXT_SIBLING):
1.6 kristaps 467: mdoc->last->next = p;
468: p->prev = mdoc->last;
1.13 kristaps 469: p->parent = mdoc->last->parent;
1.6 kristaps 470: act = "sibling";
1.1 kristaps 471: break;
1.13 kristaps 472: case (MDOC_NEXT_CHILD):
473: mdoc->last->child = p;
1.1 kristaps 474: p->parent = mdoc->last;
475: act = "child";
476: break;
477: default:
1.13 kristaps 478: abort();
479: /* NOTREACHED */
1.1 kristaps 480: }
481:
1.23 kristaps 482: if ( ! mdoc_valid_pre(mdoc, p))
483: return(0);
484: if ( ! mdoc_action_pre(mdoc, p))
485: return(0);
1.1 kristaps 486: mdoc->last = p;
1.23 kristaps 487: mdoc_msg(mdoc, "parse: %s of %s `%s'", act, ot, on);
488: return(1);
1.1 kristaps 489: }
490:
491:
1.23 kristaps 492: int
1.22 kristaps 493: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 494: {
495: struct mdoc_node *p;
496:
497: assert(mdoc->first);
498: assert(mdoc->last);
499:
500: p = xcalloc(1, sizeof(struct mdoc_node));
501:
1.22 kristaps 502: p->line = line;
503: p->pos = pos;
1.17 kristaps 504: p->type = MDOC_TAIL;
505: p->data.tail.tok = tok;
506:
1.23 kristaps 507: return(mdoc_node_append(mdoc, p));
1.17 kristaps 508: }
509:
510:
1.23 kristaps 511: int
1.22 kristaps 512: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 513: {
514: struct mdoc_node *p;
515:
516: assert(mdoc->first);
517: assert(mdoc->last);
518:
519: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 520:
1.22 kristaps 521: p->line = line;
522: p->pos = pos;
1.1 kristaps 523: p->type = MDOC_HEAD;
524: p->data.head.tok = tok;
525:
1.23 kristaps 526: return(mdoc_node_append(mdoc, p));
1.1 kristaps 527: }
528:
529:
1.23 kristaps 530: int
1.22 kristaps 531: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 532: {
533: struct mdoc_node *p;
534:
535: assert(mdoc->first);
536: assert(mdoc->last);
537:
538: p = xcalloc(1, sizeof(struct mdoc_node));
539:
1.22 kristaps 540: p->line = line;
541: p->pos = pos;
1.1 kristaps 542: p->type = MDOC_BODY;
543: p->data.body.tok = tok;
544:
1.23 kristaps 545: return(mdoc_node_append(mdoc, p));
1.1 kristaps 546: }
547:
548:
1.23 kristaps 549: int
1.25 ! kristaps 550: mdoc_root_alloc(struct mdoc *mdoc)
! 551: {
! 552: struct mdoc_node *p;
! 553:
! 554: p = xcalloc(1, sizeof(struct mdoc_node));
! 555:
! 556: p->type = MDOC_ROOT;
! 557:
! 558: return(mdoc_node_append(mdoc, p));
! 559: }
! 560:
! 561:
! 562: int
1.22 kristaps 563: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
564: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 565: {
566: struct mdoc_node *p;
567:
568: p = xcalloc(1, sizeof(struct mdoc_node));
569:
1.22 kristaps 570: p->pos = pos;
571: p->line = line;
1.1 kristaps 572: p->type = MDOC_BLOCK;
573: p->data.block.tok = tok;
574: p->data.block.argc = argsz;
575: p->data.block.argv = argdup(argsz, args);
576:
1.23 kristaps 577: return(mdoc_node_append(mdoc, p));
1.1 kristaps 578: }
579:
580:
1.23 kristaps 581: int
1.22 kristaps 582: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
583: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 584: {
585: struct mdoc_node *p;
586:
587: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 588:
589: p->line = line;
590: p->pos = pos;
1.1 kristaps 591: p->type = MDOC_ELEM;
592: p->data.elem.tok = tok;
593: p->data.elem.argc = argsz;
594: p->data.elem.argv = argdup(argsz, args);
595:
1.23 kristaps 596: return(mdoc_node_append(mdoc, p));
1.1 kristaps 597: }
598:
599:
1.23 kristaps 600: int
1.22 kristaps 601: mdoc_word_alloc(struct mdoc *mdoc,
602: int line, int pos, const char *word)
1.1 kristaps 603: {
604: struct mdoc_node *p;
605:
606: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 607: p->line = line;
608: p->pos = pos;
1.1 kristaps 609: p->type = MDOC_TEXT;
610: p->data.text.string = xstrdup(word);
611:
1.23 kristaps 612: return(mdoc_node_append(mdoc, p));
1.1 kristaps 613: }
614:
615:
616: static void
617: argfree(size_t sz, struct mdoc_arg *p)
618: {
1.2 kristaps 619: int i, j;
1.1 kristaps 620:
621: if (0 == sz)
622: return;
623:
624: assert(p);
1.2 kristaps 625: /* LINTED */
626: for (i = 0; i < (int)sz; i++)
1.1 kristaps 627: if (p[i].sz > 0) {
628: assert(p[i].value);
1.2 kristaps 629: /* LINTED */
630: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 631: free(p[i].value[j]);
1.19 kristaps 632: free(p[i].value);
1.1 kristaps 633: }
634: free(p);
635: }
636:
637:
638: static void
639: mdoc_elem_free(struct mdoc_elem *p)
640: {
641:
642: argfree(p->argc, p->argv);
643: }
644:
645:
646: static void
647: mdoc_block_free(struct mdoc_block *p)
648: {
649:
650: argfree(p->argc, p->argv);
651: }
652:
653:
654: static void
655: mdoc_text_free(struct mdoc_text *p)
656: {
657:
658: if (p->string)
659: free(p->string);
660: }
661:
662:
663: void
664: mdoc_node_free(struct mdoc_node *p)
665: {
666:
667: switch (p->type) {
668: case (MDOC_TEXT):
669: mdoc_text_free(&p->data.text);
670: break;
671: case (MDOC_ELEM):
672: mdoc_elem_free(&p->data.elem);
673: break;
674: case (MDOC_BLOCK):
675: mdoc_block_free(&p->data.block);
676: break;
677: default:
678: break;
679: }
680:
681: free(p);
682: }
683:
684:
685: static void
686: mdoc_node_freelist(struct mdoc_node *p)
687: {
688:
689: if (p->child)
690: mdoc_node_freelist(p->child);
691: if (p->next)
692: mdoc_node_freelist(p->next);
693:
694: mdoc_node_free(p);
695: }
696:
697:
698: int
699: mdoc_find(const struct mdoc *mdoc, const char *key)
700: {
701:
1.4 kristaps 702: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 703: }
704:
705:
706: static void
707: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
708: {
1.2 kristaps 709: int i;
1.1 kristaps 710:
711: dst->arg = src->arg;
712: if (0 == (dst->sz = src->sz))
713: return;
714: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 715: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 716: dst->value[i] = xstrdup(src->value[i]);
717: }
718:
719:
720: static struct mdoc_arg *
721: argdup(size_t argsz, const struct mdoc_arg *args)
722: {
723: struct mdoc_arg *pp;
1.2 kristaps 724: int i;
1.1 kristaps 725:
726: if (0 == argsz)
727: return(NULL);
728:
729: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 730: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 731: argcpy(&pp[i], &args[i]);
732:
733: return(pp);
734: }
735:
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