Annotation of mandoc/mdoc.c, Revision 1.33
1.33 ! kristaps 1: /* $Id: mdoc.c,v 1.32 2009/01/16 14:04:26 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 */
1.29 kristaps 97: { macro_scoped_close, MDOC_EXPLICIT }, /* Ed */
1.13 kristaps 98: { macro_scoped, MDOC_EXPLICIT }, /* Bl */
1.29 kristaps 99: { macro_scoped_close, MDOC_EXPLICIT }, /* El */
100: { macro_scoped, MDOC_PARSED | MDOC_TABSEP}, /* It */
1.19 kristaps 101: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
1.32 kristaps 102: { macro_text, MDOC_PARSED }, /* An */
1.19 kristaps 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 */
1.32 kristaps 114: { macro_text, MDOC_PARSED | MDOC_QUOTABLE }, /* Ft */
1.19 kristaps 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 */
1.29 kristaps 140: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */
141: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */
1.19 kristaps 142: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */
1.9 kristaps 143: { macro_constant, 0 }, /* At */
1.29 kristaps 144: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */
1.16 kristaps 145: { macro_scoped, MDOC_EXPLICIT }, /* Bf */
1.29 kristaps 146: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */
1.19 kristaps 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 */
1.29 kristaps 151: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */
152: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */
1.19 kristaps 153: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */
1.29 kristaps 154: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */
155: { macro_scoped_close, MDOC_EXPLICIT }, /* Ef */
1.19 kristaps 156: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Em */
1.29 kristaps 157: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
1.19 kristaps 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 */
1.29 kristaps 164: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */
1.32 kristaps 165: { macro_constant_delimited, MDOC_PARSED }, /* Pf */
1.29 kristaps 166: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */
1.19 kristaps 167: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */
1.29 kristaps 168: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */
1.19 kristaps 169: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */
1.29 kristaps 170: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */
1.19 kristaps 171: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */
1.29 kristaps 172: { macro_scoped_close, MDOC_EXPLICIT }, /* Re */
1.13 kristaps 173: { macro_scoped, MDOC_EXPLICIT }, /* Rs */
1.29 kristaps 174: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */
175: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */
1.19 kristaps 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 */
1.29 kristaps 182: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
183: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.19 kristaps 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. */
1.29 kristaps 187: { macro_scoped_close, MDOC_EXPLICIT | MDOC_PARSED }, /* Fc */
188: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */
189: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */
1.17 kristaps 190: { macro_scoped, MDOC_EXPLICIT }, /* Bk */
1.29 kristaps 191: { macro_scoped_close, MDOC_EXPLICIT }, /* 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;
1.33 ! kristaps 244: if (cb)
! 245: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
1.1 kristaps 246:
1.25 kristaps 247: p->last = xcalloc(1, sizeof(struct mdoc_node));
248: p->last->type = MDOC_ROOT;
249: p->first = p->last;
250:
251: p->next = MDOC_NEXT_CHILD;
1.4 kristaps 252: p->htab = mdoc_tokhash_alloc();
1.25 kristaps 253:
1.1 kristaps 254: return(p);
255: }
256:
257:
258: int
1.20 kristaps 259: mdoc_endparse(struct mdoc *mdoc)
260: {
261:
262: if (MDOC_HALT & mdoc->flags)
263: return(0);
264: if (NULL == mdoc->first)
265: return(1);
266:
267: assert(mdoc->last);
268: if ( ! macro_end(mdoc)) {
269: mdoc->flags |= MDOC_HALT;
270: return(0);
271: }
272: return(1);
273: }
274:
275:
276: int
277: mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
1.1 kristaps 278: {
279: int c, i;
280: char tmp[5];
281:
1.20 kristaps 282: if (MDOC_HALT & mdoc->flags)
283: return(0);
284:
1.5 kristaps 285: if ('.' != *buf) {
1.23 kristaps 286: if (SEC_PROLOGUE != mdoc->sec_lastn) {
1.26 kristaps 287: if ( ! mdoc_word_alloc(mdoc, line, 0, buf))
288: return(0);
1.23 kristaps 289: mdoc->next = MDOC_NEXT_SIBLING;
290: return(1);
291: }
1.31 kristaps 292: return(mdoc_perr(mdoc, line, 0, "text disallowed"));
1.1 kristaps 293: }
294:
295: if (buf[1] && '\\' == buf[1])
296: if (buf[2] && '\"' == buf[2])
297: return(1);
298:
299: i = 1;
300: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
301: i++;
302:
1.20 kristaps 303: if (i == (int)sizeof(tmp)) {
304: mdoc->flags |= MDOC_HALT;
1.31 kristaps 305: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 306: } else if (i <= 2) {
307: mdoc->flags |= MDOC_HALT;
1.31 kristaps 308: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 309: }
1.1 kristaps 310:
311: i--;
312:
1.2 kristaps 313: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 314: tmp[i++] = 0;
315:
1.20 kristaps 316: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
317: mdoc->flags |= MDOC_HALT;
1.31 kristaps 318: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 319: }
1.1 kristaps 320:
321: while (buf[i] && isspace(buf[i]))
322: i++;
323:
1.21 kristaps 324: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 325: mdoc->flags |= MDOC_HALT;
326: return(0);
327: }
328: return(1);
1.1 kristaps 329: }
330:
331:
332: void
1.31 kristaps 333: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 334: {
1.31 kristaps 335: char buf[256];
1.23 kristaps 336: va_list ap;
1.1 kristaps 337:
338: if (NULL == mdoc->cb.mdoc_msg)
339: return;
340:
341: va_start(ap, fmt);
1.31 kristaps 342: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 343: va_end(ap);
1.31 kristaps 344: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 345: }
346:
347:
348: int
1.31 kristaps 349: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
350: const char *fmt, ...)
1.1 kristaps 351: {
1.31 kristaps 352: char buf[256];
353: va_list ap;
1.1 kristaps 354:
355: if (NULL == mdoc->cb.mdoc_err)
356: return(0);
1.31 kristaps 357:
358: va_start(ap, fmt);
359: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
360: va_end(ap);
361: return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 362: }
363:
364:
365: int
1.31 kristaps 366: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
367: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 368: {
1.31 kristaps 369: char buf[256];
370: va_list ap;
1.1 kristaps 371:
372: if (NULL == mdoc->cb.mdoc_warn)
373: return(0);
1.31 kristaps 374:
375: va_start(ap, fmt);
376: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
377: va_end(ap);
378: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 379: }
380:
381:
382: int
1.21 kristaps 383: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 kristaps 384: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 385: {
386:
1.31 kristaps 387: assert(mdoc_macros[tok].fp);
388:
1.17 kristaps 389: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
1.13 kristaps 390: SEC_PROLOGUE == mdoc->sec_lastn)
1.31 kristaps 391: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document prologue"));
1.23 kristaps 392: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.31 kristaps 393: return(mdoc_perr(mdoc, ln, ppos, "macro not callable"));
1.23 kristaps 394: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 395: }
396:
397:
1.23 kristaps 398: static int
399: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 400: {
1.30 kristaps 401: const char *nn, *nt, *on, *ot, *act;
1.1 kristaps 402:
1.25 kristaps 403: assert(mdoc->last);
404: assert(mdoc->first);
405: assert(MDOC_ROOT != p->type);
1.1 kristaps 406:
1.27 kristaps 407: if (MDOC_TEXT == mdoc->last->type)
408: on = "<text>";
409: else if (MDOC_ROOT == mdoc->last->type)
410: on = "<root>";
411: else
412: on = mdoc_macronames[mdoc->last->tok];
413:
1.30 kristaps 414: if (MDOC_TEXT == p->type)
415: nn = "<text>";
416: else if (MDOC_ROOT == p->type)
417: nn = "<root>";
418: else
419: nn = mdoc_macronames[p->tok];
420:
421: ot = mdoc_type2a(mdoc->last->type);
422: nt = mdoc_type2a(p->type);
1.1 kristaps 423:
1.13 kristaps 424: switch (mdoc->next) {
425: case (MDOC_NEXT_SIBLING):
1.6 kristaps 426: mdoc->last->next = p;
427: p->prev = mdoc->last;
1.13 kristaps 428: p->parent = mdoc->last->parent;
1.6 kristaps 429: act = "sibling";
1.1 kristaps 430: break;
1.13 kristaps 431: case (MDOC_NEXT_CHILD):
432: mdoc->last->child = p;
1.1 kristaps 433: p->parent = mdoc->last;
434: act = "child";
435: break;
436: default:
1.13 kristaps 437: abort();
438: /* NOTREACHED */
1.1 kristaps 439: }
440:
1.23 kristaps 441: if ( ! mdoc_valid_pre(mdoc, p))
442: return(0);
443: if ( ! mdoc_action_pre(mdoc, p))
444: return(0);
1.27 kristaps 445:
446: switch (p->type) {
447: case (MDOC_HEAD):
448: assert(MDOC_BLOCK == p->parent->type);
449: p->parent->data.block.head = p;
450: break;
451: case (MDOC_TAIL):
452: assert(MDOC_BLOCK == p->parent->type);
453: p->parent->data.block.tail = p;
454: break;
455: case (MDOC_BODY):
456: assert(MDOC_BLOCK == p->parent->type);
457: p->parent->data.block.body = p;
458: break;
459: default:
460: break;
461: }
462:
1.1 kristaps 463: mdoc->last = p;
1.30 kristaps 464: mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'",
465: nt, nn, act, ot, on);
1.23 kristaps 466: return(1);
1.1 kristaps 467: }
468:
469:
1.23 kristaps 470: int
1.22 kristaps 471: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 472: {
473: struct mdoc_node *p;
474:
475: assert(mdoc->first);
476: assert(mdoc->last);
477:
478: p = xcalloc(1, sizeof(struct mdoc_node));
479:
1.22 kristaps 480: p->line = line;
481: p->pos = pos;
1.17 kristaps 482: p->type = MDOC_TAIL;
1.27 kristaps 483: p->tok = tok;
1.17 kristaps 484:
1.23 kristaps 485: return(mdoc_node_append(mdoc, p));
1.17 kristaps 486: }
487:
488:
1.23 kristaps 489: int
1.22 kristaps 490: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 491: {
492: struct mdoc_node *p;
493:
494: assert(mdoc->first);
495: assert(mdoc->last);
496:
497: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 498:
1.22 kristaps 499: p->line = line;
500: p->pos = pos;
1.1 kristaps 501: p->type = MDOC_HEAD;
1.27 kristaps 502: p->tok = tok;
1.1 kristaps 503:
1.23 kristaps 504: return(mdoc_node_append(mdoc, p));
1.1 kristaps 505: }
506:
507:
1.23 kristaps 508: int
1.22 kristaps 509: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 510: {
511: struct mdoc_node *p;
512:
513: assert(mdoc->first);
514: assert(mdoc->last);
515:
516: p = xcalloc(1, sizeof(struct mdoc_node));
517:
1.22 kristaps 518: p->line = line;
519: p->pos = pos;
1.1 kristaps 520: p->type = MDOC_BODY;
1.27 kristaps 521: p->tok = tok;
1.1 kristaps 522:
1.23 kristaps 523: return(mdoc_node_append(mdoc, p));
1.1 kristaps 524: }
525:
526:
1.23 kristaps 527: int
1.25 kristaps 528: mdoc_root_alloc(struct mdoc *mdoc)
529: {
530: struct mdoc_node *p;
531:
532: p = xcalloc(1, sizeof(struct mdoc_node));
533:
534: p->type = MDOC_ROOT;
535:
536: return(mdoc_node_append(mdoc, p));
537: }
538:
539:
540: int
1.22 kristaps 541: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
542: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 543: {
544: struct mdoc_node *p;
545:
546: p = xcalloc(1, sizeof(struct mdoc_node));
547:
1.22 kristaps 548: p->pos = pos;
549: p->line = line;
1.1 kristaps 550: p->type = MDOC_BLOCK;
1.27 kristaps 551: p->tok = tok;
1.1 kristaps 552: p->data.block.argc = argsz;
553: p->data.block.argv = argdup(argsz, args);
554:
1.23 kristaps 555: return(mdoc_node_append(mdoc, p));
1.1 kristaps 556: }
557:
558:
1.23 kristaps 559: int
1.22 kristaps 560: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
561: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 562: {
563: struct mdoc_node *p;
564:
565: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 566:
567: p->line = line;
568: p->pos = pos;
1.1 kristaps 569: p->type = MDOC_ELEM;
1.27 kristaps 570: p->tok = tok;
1.1 kristaps 571: p->data.elem.argc = argsz;
572: p->data.elem.argv = argdup(argsz, args);
573:
1.23 kristaps 574: return(mdoc_node_append(mdoc, p));
1.1 kristaps 575: }
576:
577:
1.23 kristaps 578: int
1.22 kristaps 579: mdoc_word_alloc(struct mdoc *mdoc,
580: int line, int pos, const char *word)
1.1 kristaps 581: {
582: struct mdoc_node *p;
583:
584: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 585: p->line = line;
586: p->pos = pos;
1.1 kristaps 587: p->type = MDOC_TEXT;
588: p->data.text.string = xstrdup(word);
589:
1.23 kristaps 590: return(mdoc_node_append(mdoc, p));
1.1 kristaps 591: }
592:
593:
594: static void
595: argfree(size_t sz, struct mdoc_arg *p)
596: {
1.2 kristaps 597: int i, j;
1.1 kristaps 598:
599: if (0 == sz)
600: return;
601:
602: assert(p);
1.2 kristaps 603: /* LINTED */
604: for (i = 0; i < (int)sz; i++)
1.1 kristaps 605: if (p[i].sz > 0) {
606: assert(p[i].value);
1.2 kristaps 607: /* LINTED */
608: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 609: free(p[i].value[j]);
1.19 kristaps 610: free(p[i].value);
1.1 kristaps 611: }
612: free(p);
613: }
614:
615:
616: static void
617: mdoc_elem_free(struct mdoc_elem *p)
618: {
619:
620: argfree(p->argc, p->argv);
621: }
622:
623:
624: static void
625: mdoc_block_free(struct mdoc_block *p)
626: {
627:
628: argfree(p->argc, p->argv);
629: }
630:
631:
632: static void
633: mdoc_text_free(struct mdoc_text *p)
634: {
635:
636: if (p->string)
637: free(p->string);
638: }
639:
640:
641: void
642: mdoc_node_free(struct mdoc_node *p)
643: {
644:
645: switch (p->type) {
646: case (MDOC_TEXT):
647: mdoc_text_free(&p->data.text);
648: break;
649: case (MDOC_ELEM):
650: mdoc_elem_free(&p->data.elem);
651: break;
652: case (MDOC_BLOCK):
653: mdoc_block_free(&p->data.block);
654: break;
655: default:
656: break;
657: }
658:
659: free(p);
660: }
661:
662:
663: static void
664: mdoc_node_freelist(struct mdoc_node *p)
665: {
666:
667: if (p->child)
668: mdoc_node_freelist(p->child);
669: if (p->next)
670: mdoc_node_freelist(p->next);
671:
672: mdoc_node_free(p);
673: }
674:
675:
676: int
677: mdoc_find(const struct mdoc *mdoc, const char *key)
678: {
679:
1.4 kristaps 680: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 681: }
682:
683:
684: static void
685: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
686: {
1.2 kristaps 687: int i;
1.1 kristaps 688:
1.26 kristaps 689: dst->line = src->line;
690: dst->pos = src->pos;
1.1 kristaps 691: dst->arg = src->arg;
692: if (0 == (dst->sz = src->sz))
693: return;
694: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 695: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 696: dst->value[i] = xstrdup(src->value[i]);
697: }
698:
699:
700: static struct mdoc_arg *
701: argdup(size_t argsz, const struct mdoc_arg *args)
702: {
703: struct mdoc_arg *pp;
1.2 kristaps 704: int i;
1.1 kristaps 705:
706: if (0 == argsz)
707: return(NULL);
708:
709: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 710: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 711: argcpy(&pp[i], &args[i]);
712:
713: return(pp);
714: }
715:
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