Annotation of mandoc/mdoc.c, Revision 1.39
1.39 ! kristaps 1: /* $Id: mdoc.c,v 1.38 2009/01/19 17:53:54 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 }, /* \" */
1.39 ! 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 */
1.34 kristaps 143: { macro_constant_delimited, 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:
1.23 kristaps 208: static int mdoc_node_append(struct mdoc *,
1.1 kristaps 209: struct mdoc_node *);
210: static void mdoc_elem_free(struct mdoc_elem *);
211: static void mdoc_text_free(struct mdoc_text *);
212:
213:
214: const struct mdoc_node *
1.37 kristaps 215: mdoc_node(struct mdoc *mdoc)
1.1 kristaps 216: {
217:
218: return(mdoc->first);
219: }
220:
221:
1.37 kristaps 222: const struct mdoc_meta *
223: mdoc_meta(struct mdoc *mdoc)
224: {
225:
226: return(&mdoc->meta);
227: }
228:
229:
1.1 kristaps 230: void
1.38 kristaps 231: mdoc_free(struct mdoc *mdoc)
1.34 kristaps 232: {
233:
1.38 kristaps 234: if (mdoc->first)
235: mdoc_node_freelist(mdoc->first);
236: if (mdoc->htab)
237: mdoc_tokhash_free(mdoc->htab);
1.34 kristaps 238: if (mdoc->meta.title)
239: free(mdoc->meta.title);
240: if (mdoc->meta.os)
241: free(mdoc->meta.os);
242: if (mdoc->meta.name)
243: free(mdoc->meta.name);
244:
1.1 kristaps 245: free(mdoc);
246: }
247:
248:
249: struct mdoc *
250: mdoc_alloc(void *data, const struct mdoc_cb *cb)
251: {
252: struct mdoc *p;
253:
254: p = xcalloc(1, sizeof(struct mdoc));
255:
256: p->data = data;
1.33 kristaps 257: if (cb)
258: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
1.1 kristaps 259:
1.25 kristaps 260: p->last = xcalloc(1, sizeof(struct mdoc_node));
261: p->last->type = MDOC_ROOT;
262: p->first = p->last;
263:
264: p->next = MDOC_NEXT_CHILD;
1.4 kristaps 265: p->htab = mdoc_tokhash_alloc();
1.25 kristaps 266:
1.1 kristaps 267: return(p);
268: }
269:
270:
271: int
1.20 kristaps 272: mdoc_endparse(struct mdoc *mdoc)
273: {
274:
275: if (MDOC_HALT & mdoc->flags)
276: return(0);
277: if (NULL == mdoc->first)
278: return(1);
279:
280: assert(mdoc->last);
281: if ( ! macro_end(mdoc)) {
282: mdoc->flags |= MDOC_HALT;
283: return(0);
284: }
285: return(1);
286: }
287:
288:
289: int
290: mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
1.1 kristaps 291: {
292: int c, i;
293: char tmp[5];
294:
1.20 kristaps 295: if (MDOC_HALT & mdoc->flags)
296: return(0);
297:
1.39 ! kristaps 298: mdoc->linetok = 0;
! 299:
1.5 kristaps 300: if ('.' != *buf) {
1.39 ! kristaps 301: if ( ! (MDOC_BODYPARSE & mdoc->flags))
! 302: return(mdoc_perr(mdoc, line, 0, "text disallowed"));
! 303: if ( ! mdoc_word_alloc(mdoc, line, 0, buf))
! 304: return(0);
! 305: mdoc->next = MDOC_NEXT_SIBLING;
! 306: return(1);
1.1 kristaps 307: }
308:
309: if (buf[1] && '\\' == buf[1])
310: if (buf[2] && '\"' == buf[2])
311: return(1);
312:
313: i = 1;
314: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
315: i++;
316:
1.20 kristaps 317: if (i == (int)sizeof(tmp)) {
318: mdoc->flags |= MDOC_HALT;
1.31 kristaps 319: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 320: } else if (i <= 2) {
321: mdoc->flags |= MDOC_HALT;
1.31 kristaps 322: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 323: }
1.1 kristaps 324:
325: i--;
326:
1.2 kristaps 327: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 328: tmp[i++] = 0;
329:
1.20 kristaps 330: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
331: mdoc->flags |= MDOC_HALT;
1.31 kristaps 332: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 333: }
1.1 kristaps 334:
335: while (buf[i] && isspace(buf[i]))
336: i++;
337:
1.21 kristaps 338: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 339: mdoc->flags |= MDOC_HALT;
340: return(0);
341: }
342: return(1);
1.1 kristaps 343: }
344:
345:
346: void
1.31 kristaps 347: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 348: {
1.31 kristaps 349: char buf[256];
1.23 kristaps 350: va_list ap;
1.1 kristaps 351:
352: if (NULL == mdoc->cb.mdoc_msg)
353: return;
354:
355: va_start(ap, fmt);
1.31 kristaps 356: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 357: va_end(ap);
1.31 kristaps 358: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 359: }
360:
361:
362: int
1.31 kristaps 363: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
364: const char *fmt, ...)
1.1 kristaps 365: {
1.31 kristaps 366: char buf[256];
367: va_list ap;
1.1 kristaps 368:
369: if (NULL == mdoc->cb.mdoc_err)
370: return(0);
1.31 kristaps 371:
372: va_start(ap, fmt);
373: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
374: va_end(ap);
375: return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 376: }
377:
378:
379: int
1.31 kristaps 380: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
381: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 382: {
1.31 kristaps 383: char buf[256];
384: va_list ap;
1.1 kristaps 385:
386: if (NULL == mdoc->cb.mdoc_warn)
387: return(0);
1.31 kristaps 388:
389: va_start(ap, fmt);
390: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
391: va_end(ap);
392: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 393: }
394:
395:
396: int
1.21 kristaps 397: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 kristaps 398: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 399: {
400:
1.31 kristaps 401: assert(mdoc_macros[tok].fp);
402:
1.17 kristaps 403: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
1.39 ! kristaps 404: ! (MDOC_BODYPARSE & mdoc->flags))
! 405: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed: not in document body"));
1.23 kristaps 406: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.31 kristaps 407: return(mdoc_perr(mdoc, ln, ppos, "macro not callable"));
1.23 kristaps 408: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 409: }
410:
411:
1.23 kristaps 412: static int
413: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 414: {
1.30 kristaps 415: const char *nn, *nt, *on, *ot, *act;
1.1 kristaps 416:
1.25 kristaps 417: assert(mdoc->last);
418: assert(mdoc->first);
419: assert(MDOC_ROOT != p->type);
1.1 kristaps 420:
1.39 ! kristaps 421: /* See if we exceed the suggest line-max. */
! 422:
! 423: switch (p->type) {
! 424: case (MDOC_TEXT):
! 425: /* FALLTHROUGH */
! 426: case (MDOC_ELEM):
! 427: /* FALLTHROUGH */
! 428: case (MDOC_BLOCK):
! 429: mdoc->linetok++;
! 430: break;
! 431: default:
! 432: break;
! 433: }
! 434:
! 435: if (mdoc->linetok > MDOC_LINEARG_SOFTMAX)
! 436: if ( ! mdoc_nwarn(mdoc, p, WARN_COMPAT,
! 437: "suggested %d tokens per line exceeded (has %d)",
! 438: MDOC_LINEARG_SOFTMAX, mdoc->linetok))
! 439: return(0);
! 440:
1.27 kristaps 441: if (MDOC_TEXT == mdoc->last->type)
442: on = "<text>";
443: else if (MDOC_ROOT == mdoc->last->type)
444: on = "<root>";
445: else
446: on = mdoc_macronames[mdoc->last->tok];
447:
1.30 kristaps 448: if (MDOC_TEXT == p->type)
449: nn = "<text>";
450: else if (MDOC_ROOT == p->type)
451: nn = "<root>";
452: else
453: nn = mdoc_macronames[p->tok];
454:
455: ot = mdoc_type2a(mdoc->last->type);
456: nt = mdoc_type2a(p->type);
1.1 kristaps 457:
1.13 kristaps 458: switch (mdoc->next) {
459: case (MDOC_NEXT_SIBLING):
1.6 kristaps 460: mdoc->last->next = p;
461: p->prev = mdoc->last;
1.13 kristaps 462: p->parent = mdoc->last->parent;
1.6 kristaps 463: act = "sibling";
1.1 kristaps 464: break;
1.13 kristaps 465: case (MDOC_NEXT_CHILD):
466: mdoc->last->child = p;
1.1 kristaps 467: p->parent = mdoc->last;
468: act = "child";
469: break;
470: default:
1.13 kristaps 471: abort();
472: /* NOTREACHED */
1.1 kristaps 473: }
474:
1.23 kristaps 475: if ( ! mdoc_valid_pre(mdoc, p))
476: return(0);
1.27 kristaps 477:
478: switch (p->type) {
479: case (MDOC_HEAD):
480: assert(MDOC_BLOCK == p->parent->type);
481: p->parent->data.block.head = p;
482: break;
483: case (MDOC_TAIL):
484: assert(MDOC_BLOCK == p->parent->type);
485: p->parent->data.block.tail = p;
486: break;
487: case (MDOC_BODY):
488: assert(MDOC_BLOCK == p->parent->type);
489: p->parent->data.block.body = p;
490: break;
491: default:
492: break;
493: }
494:
1.1 kristaps 495: mdoc->last = p;
1.30 kristaps 496: mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'",
497: nt, nn, act, ot, on);
1.23 kristaps 498: return(1);
1.1 kristaps 499: }
500:
501:
1.23 kristaps 502: int
1.22 kristaps 503: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 504: {
505: struct mdoc_node *p;
506:
507: assert(mdoc->first);
508: assert(mdoc->last);
509:
510: p = xcalloc(1, sizeof(struct mdoc_node));
511:
1.22 kristaps 512: p->line = line;
513: p->pos = pos;
1.17 kristaps 514: p->type = MDOC_TAIL;
1.27 kristaps 515: p->tok = tok;
1.17 kristaps 516:
1.23 kristaps 517: return(mdoc_node_append(mdoc, p));
1.17 kristaps 518: }
519:
520:
1.23 kristaps 521: int
1.22 kristaps 522: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 523: {
524: struct mdoc_node *p;
525:
526: assert(mdoc->first);
527: assert(mdoc->last);
528:
529: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 530:
1.22 kristaps 531: p->line = line;
532: p->pos = pos;
1.1 kristaps 533: p->type = MDOC_HEAD;
1.27 kristaps 534: p->tok = tok;
1.1 kristaps 535:
1.23 kristaps 536: return(mdoc_node_append(mdoc, p));
1.1 kristaps 537: }
538:
539:
1.23 kristaps 540: int
1.22 kristaps 541: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 542: {
543: struct mdoc_node *p;
544:
545: assert(mdoc->first);
546: assert(mdoc->last);
547:
548: p = xcalloc(1, sizeof(struct mdoc_node));
549:
1.22 kristaps 550: p->line = line;
551: p->pos = pos;
1.1 kristaps 552: p->type = MDOC_BODY;
1.27 kristaps 553: p->tok = tok;
1.1 kristaps 554:
1.23 kristaps 555: return(mdoc_node_append(mdoc, p));
1.1 kristaps 556: }
557:
558:
1.23 kristaps 559: int
1.25 kristaps 560: mdoc_root_alloc(struct mdoc *mdoc)
561: {
562: struct mdoc_node *p;
563:
564: p = xcalloc(1, sizeof(struct mdoc_node));
565:
566: p->type = MDOC_ROOT;
567:
568: return(mdoc_node_append(mdoc, p));
569: }
570:
571:
572: int
1.22 kristaps 573: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
574: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 575: {
576: struct mdoc_node *p;
577:
578: p = xcalloc(1, sizeof(struct mdoc_node));
579:
1.22 kristaps 580: p->pos = pos;
581: p->line = line;
1.1 kristaps 582: p->type = MDOC_BLOCK;
1.27 kristaps 583: p->tok = tok;
1.1 kristaps 584: p->data.block.argc = argsz;
585: p->data.block.argv = argdup(argsz, args);
586:
1.23 kristaps 587: return(mdoc_node_append(mdoc, p));
1.1 kristaps 588: }
589:
590:
1.23 kristaps 591: int
1.22 kristaps 592: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
593: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 594: {
595: struct mdoc_node *p;
596:
597: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 598:
599: p->line = line;
600: p->pos = pos;
1.1 kristaps 601: p->type = MDOC_ELEM;
1.27 kristaps 602: p->tok = tok;
1.1 kristaps 603: p->data.elem.argc = argsz;
604: p->data.elem.argv = argdup(argsz, args);
605:
1.23 kristaps 606: return(mdoc_node_append(mdoc, p));
1.1 kristaps 607: }
608:
609:
1.23 kristaps 610: int
1.22 kristaps 611: mdoc_word_alloc(struct mdoc *mdoc,
612: int line, int pos, const char *word)
1.1 kristaps 613: {
614: struct mdoc_node *p;
615:
616: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 617: p->line = line;
618: p->pos = pos;
1.1 kristaps 619: p->type = MDOC_TEXT;
620: p->data.text.string = xstrdup(word);
621:
1.23 kristaps 622: return(mdoc_node_append(mdoc, p));
1.1 kristaps 623: }
624:
625:
626: static void
627: argfree(size_t sz, struct mdoc_arg *p)
628: {
1.2 kristaps 629: int i, j;
1.1 kristaps 630:
631: if (0 == sz)
632: return;
633:
634: assert(p);
1.2 kristaps 635: /* LINTED */
636: for (i = 0; i < (int)sz; i++)
1.1 kristaps 637: if (p[i].sz > 0) {
638: assert(p[i].value);
1.2 kristaps 639: /* LINTED */
640: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 641: free(p[i].value[j]);
1.19 kristaps 642: free(p[i].value);
1.1 kristaps 643: }
644: free(p);
645: }
646:
647:
648: static void
649: mdoc_elem_free(struct mdoc_elem *p)
650: {
651:
652: argfree(p->argc, p->argv);
653: }
654:
655:
656: static void
657: mdoc_block_free(struct mdoc_block *p)
658: {
659:
660: argfree(p->argc, p->argv);
661: }
662:
663:
664: static void
665: mdoc_text_free(struct mdoc_text *p)
666: {
667:
668: if (p->string)
669: free(p->string);
670: }
671:
672:
673: void
674: mdoc_node_free(struct mdoc_node *p)
675: {
676:
677: switch (p->type) {
678: case (MDOC_TEXT):
679: mdoc_text_free(&p->data.text);
680: break;
681: case (MDOC_ELEM):
682: mdoc_elem_free(&p->data.elem);
683: break;
684: case (MDOC_BLOCK):
685: mdoc_block_free(&p->data.block);
686: break;
687: default:
688: break;
689: }
690:
691: free(p);
692: }
693:
694:
1.37 kristaps 695: void
1.1 kristaps 696: mdoc_node_freelist(struct mdoc_node *p)
697: {
698:
699: if (p->child)
700: mdoc_node_freelist(p->child);
701: if (p->next)
702: mdoc_node_freelist(p->next);
703:
704: mdoc_node_free(p);
705: }
706:
707:
708: int
709: mdoc_find(const struct mdoc *mdoc, const char *key)
710: {
711:
1.4 kristaps 712: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 713: }
714:
715:
716: static void
717: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
718: {
1.2 kristaps 719: int i;
1.1 kristaps 720:
1.26 kristaps 721: dst->line = src->line;
722: dst->pos = src->pos;
1.1 kristaps 723: dst->arg = src->arg;
724: if (0 == (dst->sz = src->sz))
725: return;
726: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 727: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 728: dst->value[i] = xstrdup(src->value[i]);
729: }
730:
731:
732: static struct mdoc_arg *
733: argdup(size_t argsz, const struct mdoc_arg *args)
734: {
735: struct mdoc_arg *pp;
1.2 kristaps 736: int i;
1.1 kristaps 737:
738: if (0 == argsz)
739: return(NULL);
740:
741: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 742: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 743: argcpy(&pp[i], &args[i]);
744:
745: return(pp);
746: }
747:
1.35 kristaps 748:
1.36 kristaps 749: /* FIXME: deprecate. */
1.35 kristaps 750: char *
751: mdoc_node2a(struct mdoc_node *node)
752: {
753: static char buf[64];
754:
755: assert(node);
756:
757: buf[0] = 0;
758: (void)xstrlcat(buf, mdoc_type2a(node->type), 64);
759: if (MDOC_ROOT == node->type)
760: return(buf);
761: (void)xstrlcat(buf, " `", 64);
762: if (MDOC_TEXT == node->type)
763: (void)xstrlcat(buf, node->data.text.string, 64);
764: else
765: (void)xstrlcat(buf, mdoc_macronames[node->tok], 64);
1.36 kristaps 766: (void)xstrlcat(buf, "'", 64);
1.35 kristaps 767:
768: return(buf);
769: }
770:
771:
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