Annotation of src/usr.bin/mandoc/mdoc_validate.c, Revision 1.36
1.36 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.35 2009/08/22 22:50:17 schwarze Exp $ */
1.1 kristaps 2: /*
1.2 schwarze 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.2 schwarze 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
17: #include <sys/types.h>
18:
19: #include <assert.h>
20: #include <ctype.h>
1.31 schwarze 21: #include <errno.h>
22: #include <limits.h>
1.1 kristaps 23: #include <stdarg.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
27: #include "libmdoc.h"
1.15 schwarze 28: #include "libmandoc.h"
1.1 kristaps 29:
30: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
31: /* TODO: ignoring Pp (it's superfluous in some invocations). */
32:
1.28 schwarze 33: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
34: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 35:
36: typedef int (*v_pre)(PRE_ARGS);
37: typedef int (*v_post)(POST_ARGS);
38:
39: struct valids {
40: v_pre *pre;
41: v_post *post;
42: };
43:
1.28 schwarze 44: static int check_parent(PRE_ARGS, int, enum mdoc_type);
45: static int check_msec(PRE_ARGS, ...);
46: static int check_sec(PRE_ARGS, ...);
47: static int check_stdarg(PRE_ARGS);
48: static int check_text(struct mdoc *, int, int, const char *);
49: static int check_argv(struct mdoc *,
1.1 kristaps 50: const struct mdoc_node *,
51: const struct mdoc_argv *);
1.28 schwarze 52: static int check_args(struct mdoc *,
1.1 kristaps 53: const struct mdoc_node *);
1.28 schwarze 54: static int err_child_lt(struct mdoc *, const char *, int);
55: static int warn_child_lt(struct mdoc *, const char *, int);
56: static int err_child_gt(struct mdoc *, const char *, int);
57: static int warn_child_gt(struct mdoc *, const char *, int);
58: static int err_child_eq(struct mdoc *, const char *, int);
59: static int warn_child_eq(struct mdoc *, const char *, int);
60: static int warn_print(struct mdoc *, int, int);
61: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 62: int, const char *, int);
1.28 schwarze 63: static int err_count(struct mdoc *, const char *,
1.1 kristaps 64: int, const char *, int);
1.28 schwarze 65:
66: static int berr_ge1(POST_ARGS);
67: static int bwarn_ge1(POST_ARGS);
68: static int ebool(POST_ARGS);
69: static int eerr_eq0(POST_ARGS);
70: static int eerr_eq1(POST_ARGS);
71: static int eerr_ge1(POST_ARGS);
72: static int eerr_le2(POST_ARGS);
73: static int ewarn_ge1(POST_ARGS);
74: static int herr_eq0(POST_ARGS);
75: static int herr_ge1(POST_ARGS);
76: static int hwarn_eq1(POST_ARGS);
77: static int hwarn_le1(POST_ARGS);
78:
79: static int post_an(POST_ARGS);
80: static int post_at(POST_ARGS);
81: static int post_bf(POST_ARGS);
82: static int post_bl(POST_ARGS);
83: static int post_bl_head(POST_ARGS);
84: static int post_it(POST_ARGS);
85: static int post_lb(POST_ARGS);
86: static int post_nm(POST_ARGS);
87: static int post_root(POST_ARGS);
1.36 ! schwarze 88: static int post_rs(POST_ARGS);
1.28 schwarze 89: static int post_sh(POST_ARGS);
90: static int post_sh_body(POST_ARGS);
91: static int post_sh_head(POST_ARGS);
1.31 schwarze 92: static int post_sp(POST_ARGS);
1.28 schwarze 93: static int post_st(POST_ARGS);
94: static int pre_an(PRE_ARGS);
95: static int pre_bd(PRE_ARGS);
96: static int pre_bl(PRE_ARGS);
97: static int pre_cd(PRE_ARGS);
98: static int pre_dd(PRE_ARGS);
99: static int pre_display(PRE_ARGS);
100: static int pre_dt(PRE_ARGS);
101: static int pre_er(PRE_ARGS);
102: static int pre_ex(PRE_ARGS);
103: static int pre_fd(PRE_ARGS);
104: static int pre_it(PRE_ARGS);
105: static int pre_lb(PRE_ARGS);
106: static int pre_os(PRE_ARGS);
107: static int pre_rv(PRE_ARGS);
108: static int pre_sh(PRE_ARGS);
109: static int pre_ss(PRE_ARGS);
110:
111: static v_post posts_an[] = { post_an, NULL };
112: static v_post posts_at[] = { post_at, NULL };
113: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
114: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
115: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
116: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
117: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
118: static v_post posts_in[] = { eerr_eq1, NULL };
119: static v_post posts_it[] = { post_it, NULL };
120: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
121: static v_post posts_nd[] = { berr_ge1, NULL };
122: static v_post posts_nm[] = { post_nm, NULL };
123: static v_post posts_notext[] = { eerr_eq0, NULL };
124: static v_post posts_pf[] = { eerr_eq1, NULL };
1.36 ! schwarze 125: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.28 schwarze 126: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.31 schwarze 127: static v_post posts_sp[] = { post_sp, NULL };
1.28 schwarze 128: static v_post posts_ss[] = { herr_ge1, NULL };
129: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
130: static v_post posts_text[] = { eerr_ge1, NULL };
131: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
132: static v_post posts_wtext[] = { ewarn_ge1, NULL };
133: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
134: static v_pre pres_an[] = { pre_an, NULL };
135: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
136: static v_pre pres_bl[] = { pre_bl, NULL };
137: static v_pre pres_cd[] = { pre_cd, NULL };
138: static v_pre pres_d1[] = { pre_display, NULL };
139: static v_pre pres_dd[] = { pre_dd, NULL };
140: static v_pre pres_dt[] = { pre_dt, NULL };
141: static v_pre pres_er[] = { pre_er, NULL };
142: static v_pre pres_ex[] = { pre_ex, NULL };
143: static v_pre pres_fd[] = { pre_fd, NULL };
144: static v_pre pres_it[] = { pre_it, NULL };
145: static v_pre pres_lb[] = { pre_lb, NULL };
146: static v_pre pres_os[] = { pre_os, NULL };
147: static v_pre pres_rv[] = { pre_rv, NULL };
148: static v_pre pres_sh[] = { pre_sh, NULL };
149: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 150:
151: const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 152: { NULL, NULL }, /* Ap */
1.1 kristaps 153: { pres_dd, posts_text }, /* Dd */
154: { pres_dt, NULL }, /* Dt */
155: { pres_os, NULL }, /* Os */
156: { pres_sh, posts_sh }, /* Sh */
157: { pres_ss, posts_ss }, /* Ss */
1.31 schwarze 158: { NULL, posts_notext }, /* Pp */
1.1 kristaps 159: { pres_d1, posts_wline }, /* D1 */
160: { pres_d1, posts_wline }, /* Dl */
161: { pres_bd, posts_bd }, /* Bd */
162: { NULL, NULL }, /* Ed */
163: { pres_bl, posts_bl }, /* Bl */
164: { NULL, NULL }, /* El */
165: { pres_it, posts_it }, /* It */
166: { NULL, posts_text }, /* Ad */
167: { pres_an, posts_an }, /* An */
168: { NULL, NULL }, /* Ar */
169: { pres_cd, posts_text }, /* Cd */
170: { NULL, NULL }, /* Cm */
171: { NULL, NULL }, /* Dv */
172: { pres_er, posts_text }, /* Er */
173: { NULL, NULL }, /* Ev */
1.35 schwarze 174: { pres_ex, NULL }, /* Ex */
1.1 kristaps 175: { NULL, NULL }, /* Fa */
176: { pres_fd, posts_wtext }, /* Fd */
177: { NULL, NULL }, /* Fl */
178: { NULL, posts_text }, /* Fn */
179: { NULL, posts_wtext }, /* Ft */
180: { NULL, posts_text }, /* Ic */
181: { NULL, posts_in }, /* In */
182: { NULL, NULL }, /* Li */
1.25 schwarze 183: { NULL, posts_nd }, /* Nd */
1.1 kristaps 184: { NULL, posts_nm }, /* Nm */
185: { NULL, posts_wline }, /* Op */
186: { NULL, NULL }, /* Ot */
187: { NULL, NULL }, /* Pa */
1.35 schwarze 188: { pres_rv, NULL }, /* Rv */
1.1 kristaps 189: { NULL, posts_st }, /* St */
190: { NULL, NULL }, /* Va */
191: { NULL, posts_text }, /* Vt */
192: { NULL, posts_xr }, /* Xr */
193: { NULL, posts_text }, /* %A */
194: { NULL, posts_text }, /* %B */
195: { NULL, posts_text }, /* %D */
196: { NULL, posts_text }, /* %I */
197: { NULL, posts_text }, /* %J */
198: { NULL, posts_text }, /* %N */
199: { NULL, posts_text }, /* %O */
200: { NULL, posts_text }, /* %P */
201: { NULL, posts_text }, /* %R */
202: { NULL, posts_text }, /* %T */
203: { NULL, posts_text }, /* %V */
204: { NULL, NULL }, /* Ac */
205: { NULL, NULL }, /* Ao */
206: { NULL, posts_wline }, /* Aq */
207: { NULL, posts_at }, /* At */
208: { NULL, NULL }, /* Bc */
209: { NULL, posts_bf }, /* Bf */
210: { NULL, NULL }, /* Bo */
211: { NULL, posts_wline }, /* Bq */
212: { NULL, NULL }, /* Bsx */
213: { NULL, NULL }, /* Bx */
214: { NULL, posts_bool }, /* Db */
215: { NULL, NULL }, /* Dc */
216: { NULL, NULL }, /* Do */
217: { NULL, posts_wline }, /* Dq */
218: { NULL, NULL }, /* Ec */
219: { NULL, NULL }, /* Ef */
220: { NULL, NULL }, /* Em */
221: { NULL, NULL }, /* Eo */
222: { NULL, NULL }, /* Fx */
223: { NULL, posts_text }, /* Ms */
224: { NULL, posts_notext }, /* No */
225: { NULL, posts_notext }, /* Ns */
226: { NULL, NULL }, /* Nx */
227: { NULL, NULL }, /* Ox */
228: { NULL, NULL }, /* Pc */
229: { NULL, posts_pf }, /* Pf */
230: { NULL, NULL }, /* Po */
231: { NULL, posts_wline }, /* Pq */
232: { NULL, NULL }, /* Qc */
233: { NULL, posts_wline }, /* Ql */
234: { NULL, NULL }, /* Qo */
235: { NULL, posts_wline }, /* Qq */
236: { NULL, NULL }, /* Re */
1.36 ! schwarze 237: { NULL, posts_rs }, /* Rs */
1.1 kristaps 238: { NULL, NULL }, /* Sc */
239: { NULL, NULL }, /* So */
240: { NULL, posts_wline }, /* Sq */
241: { NULL, posts_bool }, /* Sm */
242: { NULL, posts_text }, /* Sx */
243: { NULL, posts_text }, /* Sy */
244: { NULL, posts_text }, /* Tn */
245: { NULL, NULL }, /* Ux */
246: { NULL, NULL }, /* Xc */
247: { NULL, NULL }, /* Xo */
248: { NULL, posts_fo }, /* Fo */
249: { NULL, NULL }, /* Fc */
250: { NULL, NULL }, /* Oo */
251: { NULL, NULL }, /* Oc */
252: { NULL, posts_wline }, /* Bk */
253: { NULL, NULL }, /* Ek */
254: { NULL, posts_notext }, /* Bt */
255: { NULL, NULL }, /* Hf */
256: { NULL, NULL }, /* Fr */
257: { NULL, posts_notext }, /* Ud */
258: { pres_lb, posts_lb }, /* Lb */
1.31 schwarze 259: { NULL, posts_notext }, /* Lp */
1.4 schwarze 260: { NULL, NULL }, /* Lk */
1.1 kristaps 261: { NULL, posts_text }, /* Mt */
262: { NULL, posts_wline }, /* Brq */
263: { NULL, NULL }, /* Bro */
264: { NULL, NULL }, /* Brc */
265: { NULL, posts_text }, /* %C */
266: { NULL, NULL }, /* Es */
267: { NULL, NULL }, /* En */
268: { NULL, NULL }, /* Dx */
269: { NULL, posts_text }, /* %Q */
1.31 schwarze 270: { NULL, posts_notext }, /* br */
271: { NULL, posts_sp }, /* sp */
1.1 kristaps 272: };
273:
274:
275: int
1.28 schwarze 276: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 277: {
278: v_pre *p;
279: int line, pos;
280: const char *tp;
281:
282: if (MDOC_TEXT == n->type) {
283: tp = n->string;
284: line = n->line;
285: pos = n->pos;
286: return(check_text(mdoc, line, pos, tp));
287: }
288:
289: if ( ! check_args(mdoc, n))
290: return(0);
291: if (NULL == mdoc_valids[n->tok].pre)
292: return(1);
293: for (p = mdoc_valids[n->tok].pre; *p; p++)
294: if ( ! (*p)(mdoc, n))
295: return(0);
296: return(1);
297: }
298:
299:
300: int
301: mdoc_valid_post(struct mdoc *mdoc)
302: {
303: v_post *p;
304:
305: if (MDOC_VALID & mdoc->last->flags)
306: return(1);
307: mdoc->last->flags |= MDOC_VALID;
308:
309: if (MDOC_TEXT == mdoc->last->type)
310: return(1);
311: if (MDOC_ROOT == mdoc->last->type)
312: return(post_root(mdoc));
313:
314: if (NULL == mdoc_valids[mdoc->last->tok].post)
315: return(1);
316: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
317: if ( ! (*p)(mdoc))
318: return(0);
319:
320: return(1);
321: }
322:
323:
324: static int
1.3 schwarze 325: warn_print(struct mdoc *m, int ln, int pos)
326: {
1.20 schwarze 327:
1.3 schwarze 328: if (MDOC_IGN_CHARS & m->pflags)
1.21 schwarze 329: return(mdoc_pwarn(m, ln, pos, EPRINT));
1.20 schwarze 330: return(mdoc_perr(m, ln, pos, EPRINT));
1.3 schwarze 331: }
332:
1.1 kristaps 333:
334: static inline int
335: warn_count(struct mdoc *m, const char *k,
336: int want, const char *v, int has)
337: {
338:
1.16 schwarze 339: return(mdoc_vwarn(m, m->last->line, m->last->pos,
1.1 kristaps 340: "suggests %s %s %d (has %d)", v, k, want, has));
341: }
342:
343:
344: static inline int
345: err_count(struct mdoc *m, const char *k,
346: int want, const char *v, int has)
347: {
348:
1.17 schwarze 349: return(mdoc_verr(m, m->last->line, m->last->pos,
1.1 kristaps 350: "requires %s %s %d (has %d)", v, k, want, has));
351: }
352:
353:
354: /*
355: * Build these up with macros because they're basically the same check
356: * for different inequalities. Yes, this could be done with functions,
357: * but this is reasonable for now.
358: */
359:
360: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
361: static int \
362: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
363: { \
1.12 schwarze 364: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 365: return(1); \
1.12 schwarze 366: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 367: }
368:
369: #define CHECK_BODY_DEFN(name, lvl, func, num) \
370: static int \
371: b##lvl##_##name(POST_ARGS) \
372: { \
373: if (MDOC_BODY != mdoc->last->type) \
374: return(1); \
375: return(func(mdoc, "multi-line arguments", (num))); \
376: }
377:
378: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
379: static int \
380: e##lvl##_##name(POST_ARGS) \
381: { \
382: assert(MDOC_ELEM == mdoc->last->type); \
383: return(func(mdoc, "line arguments", (num))); \
384: }
385:
386: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
387: static int \
388: h##lvl##_##name(POST_ARGS) \
389: { \
390: if (MDOC_HEAD != mdoc->last->type) \
391: return(1); \
392: return(func(mdoc, "line arguments", (num))); \
393: }
394:
395:
396: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
397: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
398: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
399: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
400: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
401: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
402: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.25 schwarze 403: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 404: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
405: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
406: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
407: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
408: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
409: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
410: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
411: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
412: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
413:
414:
415: static int
416: check_stdarg(PRE_ARGS)
417: {
418:
419: if (n->args && 1 == n->args->argc)
420: if (MDOC_Std == n->args->argv[0].arg)
421: return(1);
1.21 schwarze 422: return(mdoc_nwarn(mdoc, n, EARGVAL));
1.1 kristaps 423: }
424:
425:
426: static int
427: check_sec(PRE_ARGS, ...)
428: {
429: enum mdoc_sec sec;
430: va_list ap;
431:
432: va_start(ap, n);
433:
434: for (;;) {
435: /* LINTED */
436: sec = (enum mdoc_sec)va_arg(ap, int);
437: if (SEC_CUSTOM == sec)
438: break;
439: if (sec != mdoc->lastsec)
440: continue;
441: va_end(ap);
442: return(1);
443: }
444:
445: va_end(ap);
1.21 schwarze 446: return(mdoc_nwarn(mdoc, n, EBADSEC));
1.1 kristaps 447: }
448:
449:
450: static int
451: check_msec(PRE_ARGS, ...)
452: {
453: va_list ap;
454: int msec;
455:
456: va_start(ap, n);
457: for (;;) {
458: /* LINTED */
459: if (0 == (msec = va_arg(ap, int)))
460: break;
461: if (msec != mdoc->meta.msec)
462: continue;
463: va_end(ap);
464: return(1);
465: }
466:
467: va_end(ap);
1.21 schwarze 468: return(mdoc_nwarn(mdoc, n, EBADMSEC));
1.1 kristaps 469: }
470:
471:
472: static int
473: check_args(struct mdoc *m, const struct mdoc_node *n)
474: {
475: int i;
476:
477: if (NULL == n->args)
478: return(1);
479:
480: assert(n->args->argc);
481: for (i = 0; i < (int)n->args->argc; i++)
482: if ( ! check_argv(m, n, &n->args->argv[i]))
483: return(0);
484:
485: return(1);
486: }
487:
488:
489: static int
490: check_argv(struct mdoc *m, const struct mdoc_node *n,
491: const struct mdoc_argv *v)
492: {
493: int i;
494:
495: for (i = 0; i < (int)v->sz; i++)
496: if ( ! check_text(m, v->line, v->pos, v->value[i]))
497: return(0);
498:
499: if (MDOC_Std == v->arg) {
500: /* `Nm' name must be set. */
501: if (v->sz || m->meta.name)
502: return(1);
1.19 schwarze 503: return(mdoc_nerr(m, n, ENAME));
1.1 kristaps 504: }
505:
506: return(1);
507: }
508:
509:
510: static int
511: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
512: {
1.15 schwarze 513: int c;
1.1 kristaps 514:
1.15 schwarze 515: for ( ; *p; p++, pos++) {
1.1 kristaps 516: if ('\t' == *p) {
517: if ( ! (MDOC_LITERAL & mdoc->flags))
1.3 schwarze 518: if ( ! warn_print(mdoc, line, pos))
1.1 kristaps 519: return(0);
520: } else if ( ! isprint((u_char)*p))
1.3 schwarze 521: if ( ! warn_print(mdoc, line, pos))
1.1 kristaps 522: return(0);
523:
524: if ('\\' != *p)
525: continue;
526:
1.15 schwarze 527: c = mandoc_special(p);
1.1 kristaps 528: if (c) {
1.15 schwarze 529: p += c - 1;
530: pos += c - 1;
1.1 kristaps 531: continue;
532: }
533: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
1.20 schwarze 534: return(mdoc_perr(mdoc, line, pos, EESCAPE));
1.24 schwarze 535: if ( ! mdoc_pwarn(mdoc, line, pos, EESCAPE))
1.1 kristaps 536: return(0);
537: }
538:
539: return(1);
540: }
541:
542:
543:
544:
545: static int
546: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
547: {
548:
549: assert(n->parent);
550: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
551: (t == n->parent->type))
552: return(1);
553:
1.17 schwarze 554: return(mdoc_verr(mdoc, n->line, n->pos, "require parent %s",
1.1 kristaps 555: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
556: }
557:
558:
559:
560: static int
561: pre_display(PRE_ARGS)
562: {
563: struct mdoc_node *node;
564:
565: /* Display elements (`Bd', `D1'...) cannot be nested. */
566:
567: if (MDOC_BLOCK != n->type)
568: return(1);
569:
570: /* LINTED */
571: for (node = mdoc->last->parent; node; node = node->parent)
572: if (MDOC_BLOCK == node->type)
573: if (MDOC_Bd == node->tok)
574: break;
575: if (NULL == node)
576: return(1);
577:
1.19 schwarze 578: return(mdoc_nerr(mdoc, n, ENESTDISP));
1.1 kristaps 579: }
580:
581:
582: static int
583: pre_bl(PRE_ARGS)
584: {
1.11 schwarze 585: int pos, type, width, offset;
1.1 kristaps 586:
587: if (MDOC_BLOCK != n->type)
588: return(1);
589: if (NULL == n->args)
1.19 schwarze 590: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 591:
592: /* Make sure that only one type of list is specified. */
593:
1.11 schwarze 594: type = offset = width = -1;
1.1 kristaps 595:
596: /* LINTED */
1.5 schwarze 597: for (pos = 0; pos < (int)n->args->argc; pos++)
598: switch (n->args->argv[pos].arg) {
1.1 kristaps 599: case (MDOC_Bullet):
600: /* FALLTHROUGH */
601: case (MDOC_Dash):
602: /* FALLTHROUGH */
603: case (MDOC_Enum):
604: /* FALLTHROUGH */
605: case (MDOC_Hyphen):
606: /* FALLTHROUGH */
607: case (MDOC_Item):
608: /* FALLTHROUGH */
609: case (MDOC_Tag):
610: /* FALLTHROUGH */
611: case (MDOC_Diag):
612: /* FALLTHROUGH */
613: case (MDOC_Hang):
614: /* FALLTHROUGH */
615: case (MDOC_Ohang):
616: /* FALLTHROUGH */
617: case (MDOC_Inset):
618: /* FALLTHROUGH */
619: case (MDOC_Column):
1.5 schwarze 620: if (-1 != type)
1.19 schwarze 621: return(mdoc_nerr(mdoc, n, EMULTILIST));
1.5 schwarze 622: type = n->args->argv[pos].arg;
623: break;
1.1 kristaps 624: case (MDOC_Width):
1.5 schwarze 625: if (-1 != width)
1.19 schwarze 626: return(mdoc_nerr(mdoc, n, EARGREP));
1.5 schwarze 627: width = n->args->argv[pos].arg;
628: break;
1.1 kristaps 629: case (MDOC_Offset):
1.5 schwarze 630: if (-1 != offset)
1.19 schwarze 631: return(mdoc_nerr(mdoc, n, EARGREP));
1.5 schwarze 632: offset = n->args->argv[pos].arg;
633: break;
1.1 kristaps 634: default:
635: break;
636: }
637:
638: if (-1 == type)
1.19 schwarze 639: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 640:
1.5 schwarze 641: /*
642: * Validate the width field. Some list types don't need width
643: * types and should be warned about them. Others should have it
644: * and must also be warned.
645: */
646:
1.1 kristaps 647: switch (type) {
1.5 schwarze 648: case (MDOC_Tag):
1.21 schwarze 649: if (-1 == width && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
1.5 schwarze 650: return(0);
651: break;
1.1 kristaps 652: case (MDOC_Column):
653: /* FALLTHROUGH */
654: case (MDOC_Diag):
655: /* FALLTHROUGH */
656: case (MDOC_Inset):
657: /* FALLTHROUGH */
658: case (MDOC_Item):
1.21 schwarze 659: if (-1 != width && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
1.5 schwarze 660: return(0);
661: break;
662: default:
663: break;
664: }
665:
1.1 kristaps 666: return(1);
667: }
668:
669:
670: static int
671: pre_bd(PRE_ARGS)
672: {
673: int i, type, err;
674:
675: if (MDOC_BLOCK != n->type)
676: return(1);
677: if (NULL == n->args)
1.19 schwarze 678: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 679:
680: /* Make sure that only one type of display is specified. */
681:
682: /* LINTED */
683: for (i = 0, err = type = 0; ! err &&
684: i < (int)n->args->argc; i++)
685: switch (n->args->argv[i].arg) {
686: case (MDOC_Ragged):
687: /* FALLTHROUGH */
688: case (MDOC_Unfilled):
689: /* FALLTHROUGH */
690: case (MDOC_Filled):
691: /* FALLTHROUGH */
692: case (MDOC_Literal):
693: /* FALLTHROUGH */
694: case (MDOC_File):
695: if (0 == type++)
696: break;
1.19 schwarze 697: return(mdoc_nerr(mdoc, n, EMULTIDISP));
1.1 kristaps 698: default:
699: break;
700: }
701:
702: if (type)
703: return(1);
1.19 schwarze 704: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 705: }
706:
707:
708: static int
709: pre_ss(PRE_ARGS)
710: {
711:
712: if (MDOC_BLOCK != n->type)
713: return(1);
714: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
715: }
716:
717:
718: static int
719: pre_sh(PRE_ARGS)
720: {
721:
722: if (MDOC_BLOCK != n->type)
723: return(1);
724: return(check_parent(mdoc, n, -1, MDOC_ROOT));
725: }
726:
727:
728: static int
729: pre_it(PRE_ARGS)
730: {
731:
732: if (MDOC_BLOCK != n->type)
733: return(1);
734: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
735: }
736:
737:
738: static int
739: pre_an(PRE_ARGS)
740: {
741:
742: if (NULL == n->args || 1 == n->args->argc)
743: return(1);
1.17 schwarze 744: return(mdoc_verr(mdoc, n->line, n->pos,
745: "only one argument allowed"));
1.1 kristaps 746: }
747:
748:
749: static int
750: pre_lb(PRE_ARGS)
751: {
752:
753: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
754: }
755:
756:
757: static int
758: pre_rv(PRE_ARGS)
759: {
760:
761: if ( ! check_msec(mdoc, n, 2, 3, 0))
762: return(0);
763: return(check_stdarg(mdoc, n));
764: }
765:
766:
767: static int
768: pre_ex(PRE_ARGS)
769: {
770:
771: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
772: return(0);
773: return(check_stdarg(mdoc, n));
774: }
775:
776:
777: static int
778: pre_er(PRE_ARGS)
779: {
780:
1.6 schwarze 781: return(check_msec(mdoc, n, 2, 3, 9, 0));
1.1 kristaps 782: }
783:
784:
785: static int
786: pre_cd(PRE_ARGS)
787: {
788:
789: return(check_msec(mdoc, n, 4, 0));
790: }
791:
792:
793: static int
794: pre_dt(PRE_ARGS)
795: {
796:
797: if (0 == mdoc->meta.date || mdoc->meta.os)
1.21 schwarze 798: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 799: return(0);
800: if (mdoc->meta.title)
1.21 schwarze 801: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 802: return(0);
803: return(1);
804: }
805:
806:
807: static int
808: pre_os(PRE_ARGS)
809: {
810:
811: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.21 schwarze 812: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 813: return(0);
814: if (mdoc->meta.os)
1.21 schwarze 815: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 816: return(0);
817: return(1);
818: }
819:
820:
821: static int
822: pre_dd(PRE_ARGS)
823: {
824:
825: if (mdoc->meta.title || mdoc->meta.os)
1.21 schwarze 826: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 827: return(0);
828: if (mdoc->meta.date)
1.21 schwarze 829: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 830: return(0);
831: return(1);
832: }
833:
834:
835: static int
836: post_bf(POST_ARGS)
837: {
838: char *p;
839: struct mdoc_node *head;
840:
841: if (MDOC_BLOCK != mdoc->last->type)
842: return(1);
843:
844: head = mdoc->last->head;
845:
1.10 schwarze 846: if (mdoc->last->args && head->child)
1.19 schwarze 847: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.10 schwarze 848: else if (mdoc->last->args)
849: return(1);
850:
851: if (NULL == head->child || MDOC_TEXT != head->child->type)
1.19 schwarze 852: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 853:
1.10 schwarze 854: p = head->child->string;
1.1 kristaps 855:
1.10 schwarze 856: if (0 == strcmp(p, "Em"))
857: return(1);
858: else if (0 == strcmp(p, "Li"))
859: return(1);
1.30 schwarze 860: else if (0 == strcmp(p, "Sy"))
1.10 schwarze 861: return(1);
1.1 kristaps 862:
1.19 schwarze 863: return(mdoc_nerr(mdoc, head, EFONT));
1.27 schwarze 864: }
865:
866:
867: static int
868: post_lb(POST_ARGS)
869: {
870:
871: if (mdoc_a2lib(mdoc->last->child->string))
872: return(1);
873: return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
1.1 kristaps 874: }
875:
876:
877: static int
878: post_nm(POST_ARGS)
879: {
880:
881: if (mdoc->last->child)
882: return(1);
883: if (mdoc->meta.name)
884: return(1);
1.19 schwarze 885: return(mdoc_nerr(mdoc, mdoc->last, ENAME));
1.1 kristaps 886: }
887:
888:
889: static int
890: post_at(POST_ARGS)
891: {
892:
893: if (NULL == mdoc->last->child)
894: return(1);
895: if (MDOC_TEXT != mdoc->last->child->type)
1.19 schwarze 896: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 897: if (mdoc_a2att(mdoc->last->child->string))
898: return(1);
1.19 schwarze 899: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 900: }
901:
902:
903: static int
904: post_an(POST_ARGS)
905: {
906:
907: if (mdoc->last->args) {
908: if (NULL == mdoc->last->child)
909: return(1);
1.34 schwarze 910: return(mdoc_nerr(mdoc, mdoc->last, ENOLINE));
1.1 kristaps 911: }
912:
913: if (mdoc->last->child)
914: return(1);
1.19 schwarze 915: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 916: }
917:
918:
919: static int
920: post_it(POST_ARGS)
921: {
922: int type, i, cols;
923: struct mdoc_node *n, *c;
924:
925: if (MDOC_BLOCK != mdoc->last->type)
926: return(1);
927:
928: n = mdoc->last->parent->parent;
929: if (NULL == n->args)
1.19 schwarze 930: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 931:
932: /* Some types require block-head, some not. */
933:
934: /* LINTED */
935: for (cols = type = -1, i = 0; -1 == type &&
936: i < (int)n->args->argc; i++)
937: switch (n->args->argv[i].arg) {
938: case (MDOC_Tag):
939: /* FALLTHROUGH */
940: case (MDOC_Diag):
941: /* FALLTHROUGH */
942: case (MDOC_Hang):
943: /* FALLTHROUGH */
944: case (MDOC_Ohang):
945: /* FALLTHROUGH */
946: case (MDOC_Inset):
947: /* FALLTHROUGH */
948: case (MDOC_Bullet):
949: /* FALLTHROUGH */
950: case (MDOC_Dash):
951: /* FALLTHROUGH */
952: case (MDOC_Enum):
953: /* FALLTHROUGH */
954: case (MDOC_Hyphen):
955: /* FALLTHROUGH */
956: case (MDOC_Item):
957: type = n->args->argv[i].arg;
958: break;
959: case (MDOC_Column):
960: type = n->args->argv[i].arg;
961: cols = (int)n->args->argv[i].sz;
962: break;
963: default:
964: break;
965: }
966:
967: if (-1 == type)
1.19 schwarze 968: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 969:
970: switch (type) {
971: case (MDOC_Tag):
972: if (NULL == mdoc->last->head->child)
1.21 schwarze 973: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 974: return(0);
975: break;
976: case (MDOC_Hang):
977: /* FALLTHROUGH */
978: case (MDOC_Ohang):
979: /* FALLTHROUGH */
980: case (MDOC_Inset):
981: /* FALLTHROUGH */
982: case (MDOC_Diag):
983: if (NULL == mdoc->last->head->child)
1.21 schwarze 984: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 985: return(0);
986: if (NULL == mdoc->last->body->child)
1.21 schwarze 987: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 988: return(0);
989: break;
990: case (MDOC_Bullet):
991: /* FALLTHROUGH */
992: case (MDOC_Dash):
993: /* FALLTHROUGH */
994: case (MDOC_Enum):
995: /* FALLTHROUGH */
996: case (MDOC_Hyphen):
997: /* FALLTHROUGH */
998: case (MDOC_Item):
999: if (mdoc->last->head->child)
1.21 schwarze 1000: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
1.1 kristaps 1001: return(0);
1002: if (NULL == mdoc->last->body->child)
1.21 schwarze 1003: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 1004: return(0);
1005: break;
1006: case (MDOC_Column):
1007: if (NULL == mdoc->last->head->child)
1.21 schwarze 1008: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 1009: return(0);
1010: if (mdoc->last->body->child)
1.21 schwarze 1011: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
1.1 kristaps 1012: return(0);
1013: c = mdoc->last->child;
1014: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1015: i++;
1.32 schwarze 1016:
1.33 schwarze 1017: if (i < cols || i == (cols + 1)) {
1.32 schwarze 1018: if ( ! mdoc_vwarn(mdoc, mdoc->last->line,
1019: mdoc->last->pos, "column "
1020: "mismatch: have %d, want %d",
1021: i, cols))
1022: return(0);
1.1 kristaps 1023: break;
1.32 schwarze 1024: } else if (i == cols)
1025: break;
1026:
1027: return(mdoc_verr(mdoc, mdoc->last->line,
1028: mdoc->last->pos, "column mismatch: "
1029: "have %d, want %d", i, cols));
1.1 kristaps 1030: default:
1031: break;
1032: }
1033:
1034: return(1);
1035: }
1036:
1037:
1038: static int
1.11 schwarze 1039: post_bl_head(POST_ARGS)
1040: {
1041: int i;
1042: const struct mdoc_node *n;
1043:
1044: n = mdoc->last->parent;
1045: assert(n->args);
1046:
1047: for (i = 0; i < (int)n->args->argc; i++)
1048: if (n->args->argv[i].arg == MDOC_Column)
1049: break;
1050:
1051: if (i == (int)n->args->argc)
1052: return(1);
1053:
1054: if (n->args->argv[i].sz && mdoc->last->child)
1.19 schwarze 1055: return(mdoc_nerr(mdoc, n, ECOLMIS));
1.11 schwarze 1056:
1057: return(1);
1058: }
1059:
1060:
1061: static int
1.1 kristaps 1062: post_bl(POST_ARGS)
1063: {
1064: struct mdoc_node *n;
1065:
1.11 schwarze 1066: if (MDOC_HEAD == mdoc->last->type)
1067: return(post_bl_head(mdoc));
1.1 kristaps 1068: if (MDOC_BODY != mdoc->last->type)
1069: return(1);
1070: if (NULL == mdoc->last->child)
1071: return(1);
1072:
1073: /* LINTED */
1074: for (n = mdoc->last->child; n; n = n->next) {
1075: if (MDOC_BLOCK == n->type)
1076: if (MDOC_It == n->tok)
1077: continue;
1.36 ! schwarze 1078: return(mdoc_nerr(mdoc, n, EBADCHILD));
1.1 kristaps 1079: }
1080:
1081: return(1);
1082: }
1083:
1084:
1085: static int
1086: ebool(struct mdoc *mdoc)
1087: {
1088: struct mdoc_node *n;
1089:
1090: /* LINTED */
1091: for (n = mdoc->last->child; n; n = n->next) {
1092: if (MDOC_TEXT != n->type)
1093: break;
1094: if (0 == strcmp(n->string, "on"))
1095: continue;
1096: if (0 == strcmp(n->string, "off"))
1097: continue;
1098: break;
1099: }
1100:
1101: if (NULL == n)
1102: return(1);
1.19 schwarze 1103: return(mdoc_nerr(mdoc, n, EBOOL));
1.1 kristaps 1104: }
1105:
1106:
1107: static int
1108: post_root(POST_ARGS)
1109: {
1110:
1111: if (NULL == mdoc->first->child)
1.19 schwarze 1112: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.9 schwarze 1113: if ( ! (MDOC_PBODY & mdoc->flags))
1.19 schwarze 1114: return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
1.1 kristaps 1115:
1116: if (MDOC_BLOCK != mdoc->first->child->type)
1.19 schwarze 1117: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1118: if (MDOC_Sh != mdoc->first->child->tok)
1.19 schwarze 1119: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1120:
1121: return(1);
1122: }
1.31 schwarze 1123:
1124:
1125: static int
1126: post_sp(POST_ARGS)
1127: {
1128: long lval;
1129: char *ep, *buf;
1130:
1131: if (NULL == mdoc->last->child)
1132: return(1);
1133: else if ( ! eerr_eq1(mdoc))
1134: return(0);
1135:
1136: assert(MDOC_TEXT == mdoc->last->child->type);
1137: buf = mdoc->last->child->string;
1138: assert(buf);
1139:
1140: /* From OpenBSD's strtol(3). */
1141: errno = 0;
1142: lval = strtol(buf, &ep, 10);
1143: if (buf[0] == '\0' || *ep != '\0')
1144: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1145:
1146: if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
1147: (lval > INT_MAX || lval < 0))
1148: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1149:
1150: return(1);
1151: }
1152:
1153:
1.1 kristaps 1154:
1155:
1156: static int
1157: post_st(POST_ARGS)
1158: {
1159:
1160: if (mdoc_a2st(mdoc->last->child->string))
1161: return(1);
1.29 schwarze 1162: return(mdoc_nerr(mdoc, mdoc->last, EBADSTAND));
1.36 ! schwarze 1163: }
! 1164:
! 1165:
! 1166: static int
! 1167: post_rs(POST_ARGS)
! 1168: {
! 1169: struct mdoc_node *nn;
! 1170:
! 1171: if (MDOC_BODY != mdoc->last->type)
! 1172: return(1);
! 1173:
! 1174: for (nn = mdoc->last->child; nn; nn = nn->next)
! 1175: switch (nn->tok) {
! 1176: case(MDOC__Q):
! 1177: /* FALLTHROUGH */
! 1178: case(MDOC__C):
! 1179: /* FALLTHROUGH */
! 1180: case(MDOC__A):
! 1181: /* FALLTHROUGH */
! 1182: case(MDOC__B):
! 1183: /* FALLTHROUGH */
! 1184: case(MDOC__D):
! 1185: /* FALLTHROUGH */
! 1186: case(MDOC__I):
! 1187: /* FALLTHROUGH */
! 1188: case(MDOC__J):
! 1189: /* FALLTHROUGH */
! 1190: case(MDOC__N):
! 1191: /* FALLTHROUGH */
! 1192: case(MDOC__O):
! 1193: /* FALLTHROUGH */
! 1194: case(MDOC__P):
! 1195: /* FALLTHROUGH */
! 1196: case(MDOC__R):
! 1197: /* FALLTHROUGH */
! 1198: case(MDOC__T):
! 1199: /* FALLTHROUGH */
! 1200: case(MDOC__V):
! 1201: break;
! 1202: default:
! 1203: return(mdoc_nerr(mdoc, nn, EBADCHILD));
! 1204: }
! 1205:
! 1206: return(1);
1.1 kristaps 1207: }
1208:
1209:
1210: static int
1211: post_sh(POST_ARGS)
1212: {
1213:
1214: if (MDOC_HEAD == mdoc->last->type)
1215: return(post_sh_head(mdoc));
1216: if (MDOC_BODY == mdoc->last->type)
1217: return(post_sh_body(mdoc));
1218:
1219: return(1);
1220: }
1221:
1222:
1223: static int
1224: post_sh_body(POST_ARGS)
1225: {
1226: struct mdoc_node *n;
1227:
1.26 schwarze 1228: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1229: return(1);
1230:
1231: /*
1232: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1233: * macros (can have multiple `Nm' and one `Nd'). Note that the
1234: * children of the BODY declaration can also be "text".
1235: */
1236:
1237: if (NULL == (n = mdoc->last->child))
1.21 schwarze 1238: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1239:
1240: for ( ; n && n->next; n = n->next) {
1241: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1242: continue;
1243: if (MDOC_TEXT == n->type)
1244: continue;
1.21 schwarze 1245: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
1.1 kristaps 1246: return(0);
1247: }
1248:
1.34 schwarze 1249: assert(n);
1.25 schwarze 1250: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1251: return(1);
1.21 schwarze 1252: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1253: }
1254:
1255:
1256: static int
1257: post_sh_head(POST_ARGS)
1258: {
1259: char buf[64];
1260: enum mdoc_sec sec;
1261: const struct mdoc_node *n;
1262:
1263: /*
1264: * Process a new section. Sections are either "named" or
1265: * "custom"; custom sections are user-defined, while named ones
1266: * usually follow a conventional order and may only appear in
1267: * certain manual sections.
1268: */
1269:
1.9 schwarze 1270: buf[0] = 0;
1.1 kristaps 1271:
1272: for (n = mdoc->last->child; n; n = n->next) {
1.9 schwarze 1273: /* XXX - copied from compact(). */
1.1 kristaps 1274: assert(MDOC_TEXT == n->type);
1.9 schwarze 1275:
1.1 kristaps 1276: if (strlcat(buf, n->string, 64) >= 64)
1.19 schwarze 1277: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1278: if (NULL == n->next)
1279: continue;
1280: if (strlcat(buf, " ", 64) >= 64)
1.19 schwarze 1281: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1282: }
1283:
1284: sec = mdoc_atosec(buf);
1285:
1.9 schwarze 1286: /*
1287: * Check: NAME should always be first, CUSTOM has no roles,
1288: * non-CUSTOM has a conventional order to be followed.
1289: */
1.1 kristaps 1290:
1.9 schwarze 1291: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.19 schwarze 1292: return(mdoc_nerr(mdoc, mdoc->last, ESECNAME));
1.1 kristaps 1293: if (SEC_CUSTOM == sec)
1294: return(1);
1295: if (sec == mdoc->lastnamed)
1.23 schwarze 1296: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
1297: return(0);
1.1 kristaps 1298: if (sec < mdoc->lastnamed)
1.23 schwarze 1299: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
1300: return(0);
1.1 kristaps 1301:
1.9 schwarze 1302: /*
1303: * Check particular section/manual conventions. LIBRARY can
1304: * only occur in msec 2, 3 (TODO: are there more of these?).
1305: */
1.1 kristaps 1306:
1307: switch (sec) {
1308: case (SEC_LIBRARY):
1309: switch (mdoc->meta.msec) {
1310: case (2):
1311: /* FALLTHROUGH */
1312: case (3):
1313: break;
1314: default:
1.21 schwarze 1315: return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
1.1 kristaps 1316: }
1317: break;
1318: default:
1319: break;
1320: }
1321:
1322: return(1);
1323: }
1324:
1325:
1326: static int
1327: pre_fd(PRE_ARGS)
1328: {
1329:
1330: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1331: }
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