Annotation of mandoc/mdoc.c, Revision 1.40
1.40 ! kristaps 1: /* $Id: mdoc.c,v 1.39 2009/01/20 12:51:28 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:
1.40 ! kristaps 435: /* This sort-of works (re-opening of text macros...). */
1.39 kristaps 436: if (mdoc->linetok > MDOC_LINEARG_SOFTMAX)
437: if ( ! mdoc_nwarn(mdoc, p, WARN_COMPAT,
438: "suggested %d tokens per line exceeded (has %d)",
439: MDOC_LINEARG_SOFTMAX, mdoc->linetok))
440: return(0);
441:
1.27 kristaps 442: if (MDOC_TEXT == mdoc->last->type)
443: on = "<text>";
444: else if (MDOC_ROOT == mdoc->last->type)
445: on = "<root>";
446: else
447: on = mdoc_macronames[mdoc->last->tok];
448:
1.30 kristaps 449: if (MDOC_TEXT == p->type)
450: nn = "<text>";
451: else if (MDOC_ROOT == p->type)
452: nn = "<root>";
453: else
454: nn = mdoc_macronames[p->tok];
455:
456: ot = mdoc_type2a(mdoc->last->type);
457: nt = mdoc_type2a(p->type);
1.1 kristaps 458:
1.13 kristaps 459: switch (mdoc->next) {
460: case (MDOC_NEXT_SIBLING):
1.6 kristaps 461: mdoc->last->next = p;
462: p->prev = mdoc->last;
1.13 kristaps 463: p->parent = mdoc->last->parent;
1.6 kristaps 464: act = "sibling";
1.1 kristaps 465: break;
1.13 kristaps 466: case (MDOC_NEXT_CHILD):
467: mdoc->last->child = p;
1.1 kristaps 468: p->parent = mdoc->last;
469: act = "child";
470: break;
471: default:
1.13 kristaps 472: abort();
473: /* NOTREACHED */
1.1 kristaps 474: }
475:
1.23 kristaps 476: if ( ! mdoc_valid_pre(mdoc, p))
477: return(0);
1.27 kristaps 478:
479: switch (p->type) {
480: case (MDOC_HEAD):
481: assert(MDOC_BLOCK == p->parent->type);
482: p->parent->data.block.head = p;
483: break;
484: case (MDOC_TAIL):
485: assert(MDOC_BLOCK == p->parent->type);
486: p->parent->data.block.tail = p;
487: break;
488: case (MDOC_BODY):
489: assert(MDOC_BLOCK == p->parent->type);
490: p->parent->data.block.body = p;
491: break;
492: default:
493: break;
494: }
495:
1.1 kristaps 496: mdoc->last = p;
1.30 kristaps 497: mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'",
498: nt, nn, act, ot, on);
1.23 kristaps 499: return(1);
1.1 kristaps 500: }
501:
502:
1.23 kristaps 503: int
1.22 kristaps 504: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 505: {
506: struct mdoc_node *p;
507:
508: assert(mdoc->first);
509: assert(mdoc->last);
510:
511: p = xcalloc(1, sizeof(struct mdoc_node));
512:
1.22 kristaps 513: p->line = line;
514: p->pos = pos;
1.17 kristaps 515: p->type = MDOC_TAIL;
1.27 kristaps 516: p->tok = tok;
1.17 kristaps 517:
1.23 kristaps 518: return(mdoc_node_append(mdoc, p));
1.17 kristaps 519: }
520:
521:
1.23 kristaps 522: int
1.22 kristaps 523: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 524: {
525: struct mdoc_node *p;
526:
527: assert(mdoc->first);
528: assert(mdoc->last);
529:
530: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 531:
1.22 kristaps 532: p->line = line;
533: p->pos = pos;
1.1 kristaps 534: p->type = MDOC_HEAD;
1.27 kristaps 535: p->tok = tok;
1.1 kristaps 536:
1.23 kristaps 537: return(mdoc_node_append(mdoc, p));
1.1 kristaps 538: }
539:
540:
1.23 kristaps 541: int
1.22 kristaps 542: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 543: {
544: struct mdoc_node *p;
545:
546: assert(mdoc->first);
547: assert(mdoc->last);
548:
549: p = xcalloc(1, sizeof(struct mdoc_node));
550:
1.22 kristaps 551: p->line = line;
552: p->pos = pos;
1.1 kristaps 553: p->type = MDOC_BODY;
1.27 kristaps 554: p->tok = tok;
1.1 kristaps 555:
1.23 kristaps 556: return(mdoc_node_append(mdoc, p));
1.1 kristaps 557: }
558:
559:
1.23 kristaps 560: int
1.25 kristaps 561: mdoc_root_alloc(struct mdoc *mdoc)
562: {
563: struct mdoc_node *p;
564:
565: p = xcalloc(1, sizeof(struct mdoc_node));
566:
567: p->type = MDOC_ROOT;
568:
569: return(mdoc_node_append(mdoc, p));
570: }
571:
572:
573: int
1.22 kristaps 574: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
575: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 576: {
577: struct mdoc_node *p;
578:
579: p = xcalloc(1, sizeof(struct mdoc_node));
580:
1.22 kristaps 581: p->pos = pos;
582: p->line = line;
1.1 kristaps 583: p->type = MDOC_BLOCK;
1.27 kristaps 584: p->tok = tok;
1.1 kristaps 585: p->data.block.argc = argsz;
586: p->data.block.argv = argdup(argsz, args);
587:
1.23 kristaps 588: return(mdoc_node_append(mdoc, p));
1.1 kristaps 589: }
590:
591:
1.23 kristaps 592: int
1.22 kristaps 593: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
594: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 595: {
596: struct mdoc_node *p;
597:
598: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 599:
600: p->line = line;
601: p->pos = pos;
1.1 kristaps 602: p->type = MDOC_ELEM;
1.27 kristaps 603: p->tok = tok;
1.1 kristaps 604: p->data.elem.argc = argsz;
605: p->data.elem.argv = argdup(argsz, args);
606:
1.23 kristaps 607: return(mdoc_node_append(mdoc, p));
1.1 kristaps 608: }
609:
610:
1.23 kristaps 611: int
1.22 kristaps 612: mdoc_word_alloc(struct mdoc *mdoc,
613: int line, int pos, const char *word)
1.1 kristaps 614: {
615: struct mdoc_node *p;
616:
617: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 618: p->line = line;
619: p->pos = pos;
1.1 kristaps 620: p->type = MDOC_TEXT;
621: p->data.text.string = xstrdup(word);
622:
1.23 kristaps 623: return(mdoc_node_append(mdoc, p));
1.1 kristaps 624: }
625:
626:
627: static void
628: argfree(size_t sz, struct mdoc_arg *p)
629: {
1.2 kristaps 630: int i, j;
1.1 kristaps 631:
632: if (0 == sz)
633: return;
634:
635: assert(p);
1.2 kristaps 636: /* LINTED */
637: for (i = 0; i < (int)sz; i++)
1.1 kristaps 638: if (p[i].sz > 0) {
639: assert(p[i].value);
1.2 kristaps 640: /* LINTED */
641: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 642: free(p[i].value[j]);
1.19 kristaps 643: free(p[i].value);
1.1 kristaps 644: }
645: free(p);
646: }
647:
648:
649: static void
650: mdoc_elem_free(struct mdoc_elem *p)
651: {
652:
653: argfree(p->argc, p->argv);
654: }
655:
656:
657: static void
658: mdoc_block_free(struct mdoc_block *p)
659: {
660:
661: argfree(p->argc, p->argv);
662: }
663:
664:
665: static void
666: mdoc_text_free(struct mdoc_text *p)
667: {
668:
669: if (p->string)
670: free(p->string);
671: }
672:
673:
674: void
675: mdoc_node_free(struct mdoc_node *p)
676: {
677:
678: switch (p->type) {
679: case (MDOC_TEXT):
680: mdoc_text_free(&p->data.text);
681: break;
682: case (MDOC_ELEM):
683: mdoc_elem_free(&p->data.elem);
684: break;
685: case (MDOC_BLOCK):
686: mdoc_block_free(&p->data.block);
687: break;
688: default:
689: break;
690: }
691:
692: free(p);
693: }
694:
695:
1.37 kristaps 696: void
1.1 kristaps 697: mdoc_node_freelist(struct mdoc_node *p)
698: {
699:
700: if (p->child)
701: mdoc_node_freelist(p->child);
702: if (p->next)
703: mdoc_node_freelist(p->next);
704:
705: mdoc_node_free(p);
706: }
707:
708:
709: int
710: mdoc_find(const struct mdoc *mdoc, const char *key)
711: {
712:
1.4 kristaps 713: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 714: }
715:
716:
717: static void
718: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
719: {
1.2 kristaps 720: int i;
1.1 kristaps 721:
1.26 kristaps 722: dst->line = src->line;
723: dst->pos = src->pos;
1.1 kristaps 724: dst->arg = src->arg;
725: if (0 == (dst->sz = src->sz))
726: return;
727: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 728: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 729: dst->value[i] = xstrdup(src->value[i]);
730: }
731:
732:
733: static struct mdoc_arg *
734: argdup(size_t argsz, const struct mdoc_arg *args)
735: {
736: struct mdoc_arg *pp;
1.2 kristaps 737: int i;
1.1 kristaps 738:
739: if (0 == argsz)
740: return(NULL);
741:
742: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 743: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 744: argcpy(&pp[i], &args[i]);
745:
746: return(pp);
747: }
748:
1.35 kristaps 749:
1.36 kristaps 750: /* FIXME: deprecate. */
1.35 kristaps 751: char *
752: mdoc_node2a(struct mdoc_node *node)
753: {
754: static char buf[64];
755:
756: assert(node);
757:
758: buf[0] = 0;
759: (void)xstrlcat(buf, mdoc_type2a(node->type), 64);
760: if (MDOC_ROOT == node->type)
761: return(buf);
762: (void)xstrlcat(buf, " `", 64);
763: if (MDOC_TEXT == node->type)
764: (void)xstrlcat(buf, node->data.text.string, 64);
765: else
766: (void)xstrlcat(buf, mdoc_macronames[node->tok], 64);
1.36 kristaps 767: (void)xstrlcat(buf, "'", 64);
1.35 kristaps 768:
769: return(buf);
770: }
771:
772:
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