Annotation of src/usr.bin/mandoc/mdoc_validate.c, Revision 1.53
1.53 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.52 2010/05/14 19:52:43 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 <limits.h>
1.1 kristaps 22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "libmdoc.h"
1.15 schwarze 26: #include "libmandoc.h"
1.1 kristaps 27:
28: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
29: /* TODO: ignoring Pp (it's superfluous in some invocations). */
30:
1.28 schwarze 31: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
32: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 33:
34: typedef int (*v_pre)(PRE_ARGS);
35: typedef int (*v_post)(POST_ARGS);
36:
37: struct valids {
38: v_pre *pre;
39: v_post *post;
40: };
41:
1.44 schwarze 42: static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
1.28 schwarze 43: static int check_stdarg(PRE_ARGS);
44: static int check_text(struct mdoc *, int, int, const char *);
45: static int check_argv(struct mdoc *,
1.1 kristaps 46: const struct mdoc_node *,
47: const struct mdoc_argv *);
1.28 schwarze 48: static int check_args(struct mdoc *,
1.1 kristaps 49: const struct mdoc_node *);
1.28 schwarze 50: static int err_child_lt(struct mdoc *, const char *, int);
51: static int warn_child_lt(struct mdoc *, const char *, int);
52: static int err_child_gt(struct mdoc *, const char *, int);
53: static int warn_child_gt(struct mdoc *, const char *, int);
54: static int err_child_eq(struct mdoc *, const char *, int);
55: static int warn_child_eq(struct mdoc *, const char *, int);
56: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 57: int, const char *, int);
1.28 schwarze 58: static int err_count(struct mdoc *, const char *,
1.1 kristaps 59: int, const char *, int);
1.28 schwarze 60:
61: static int berr_ge1(POST_ARGS);
62: static int bwarn_ge1(POST_ARGS);
63: static int ebool(POST_ARGS);
64: static int eerr_eq0(POST_ARGS);
65: static int eerr_eq1(POST_ARGS);
66: static int eerr_ge1(POST_ARGS);
1.37 schwarze 67: static int eerr_le1(POST_ARGS);
1.28 schwarze 68: static int ewarn_ge1(POST_ARGS);
69: static int herr_eq0(POST_ARGS);
70: static int herr_ge1(POST_ARGS);
71: static int hwarn_eq1(POST_ARGS);
1.48 schwarze 72: static int hwarn_eq0(POST_ARGS);
1.28 schwarze 73: static int hwarn_le1(POST_ARGS);
74:
75: static int post_an(POST_ARGS);
76: static int post_at(POST_ARGS);
77: static int post_bf(POST_ARGS);
78: static int post_bl(POST_ARGS);
79: static int post_bl_head(POST_ARGS);
80: static int post_it(POST_ARGS);
81: static int post_lb(POST_ARGS);
82: static int post_nm(POST_ARGS);
83: static int post_root(POST_ARGS);
1.36 schwarze 84: static int post_rs(POST_ARGS);
1.28 schwarze 85: static int post_sh(POST_ARGS);
86: static int post_sh_body(POST_ARGS);
87: static int post_sh_head(POST_ARGS);
88: static int post_st(POST_ARGS);
1.42 schwarze 89: static int post_vt(POST_ARGS);
1.28 schwarze 90: static int pre_an(PRE_ARGS);
91: static int pre_bd(PRE_ARGS);
92: static int pre_bl(PRE_ARGS);
93: static int pre_dd(PRE_ARGS);
94: static int pre_display(PRE_ARGS);
95: static int pre_dt(PRE_ARGS);
96: static int pre_it(PRE_ARGS);
97: static int pre_os(PRE_ARGS);
98: static int pre_rv(PRE_ARGS);
99: static int pre_sh(PRE_ARGS);
100: static int pre_ss(PRE_ARGS);
101:
102: static v_post posts_an[] = { post_an, NULL };
103: static v_post posts_at[] = { post_at, NULL };
1.48 schwarze 104: static v_post posts_bd[] = { hwarn_eq0, bwarn_ge1, NULL };
1.28 schwarze 105: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
106: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
107: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
108: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
109: static v_post posts_it[] = { post_it, NULL };
110: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
111: static v_post posts_nd[] = { berr_ge1, NULL };
112: static v_post posts_nm[] = { post_nm, NULL };
113: static v_post posts_notext[] = { eerr_eq0, NULL };
1.36 schwarze 114: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.28 schwarze 115: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.37 schwarze 116: static v_post posts_sp[] = { eerr_le1, NULL };
1.28 schwarze 117: static v_post posts_ss[] = { herr_ge1, NULL };
118: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
119: static v_post posts_text[] = { eerr_ge1, NULL };
1.38 schwarze 120: static v_post posts_text1[] = { eerr_eq1, NULL };
1.42 schwarze 121: static v_post posts_vt[] = { post_vt, NULL };
1.28 schwarze 122: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
123: static v_post posts_wtext[] = { ewarn_ge1, NULL };
1.47 schwarze 124: static v_post posts_xr[] = { ewarn_ge1, NULL };
1.28 schwarze 125: static v_pre pres_an[] = { pre_an, NULL };
126: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
127: static v_pre pres_bl[] = { pre_bl, NULL };
128: static v_pre pres_d1[] = { pre_display, NULL };
129: static v_pre pres_dd[] = { pre_dd, NULL };
130: static v_pre pres_dt[] = { pre_dt, NULL };
1.48 schwarze 131: static v_pre pres_er[] = { NULL, NULL };
1.53 ! schwarze 132: static v_pre pres_ex[] = { NULL, NULL };
! 133: static v_pre pres_fd[] = { NULL, NULL };
1.28 schwarze 134: static v_pre pres_it[] = { pre_it, NULL };
1.53 ! schwarze 135: static v_pre pres_lb[] = { NULL, NULL };
1.28 schwarze 136: static v_pre pres_os[] = { pre_os, NULL };
137: static v_pre pres_rv[] = { pre_rv, NULL };
138: static v_pre pres_sh[] = { pre_sh, NULL };
139: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 140:
141: const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 142: { NULL, NULL }, /* Ap */
1.1 kristaps 143: { pres_dd, posts_text }, /* Dd */
144: { pres_dt, NULL }, /* Dt */
145: { pres_os, NULL }, /* Os */
146: { pres_sh, posts_sh }, /* Sh */
147: { pres_ss, posts_ss }, /* Ss */
1.31 schwarze 148: { NULL, posts_notext }, /* Pp */
1.1 kristaps 149: { pres_d1, posts_wline }, /* D1 */
150: { pres_d1, posts_wline }, /* Dl */
151: { pres_bd, posts_bd }, /* Bd */
152: { NULL, NULL }, /* Ed */
153: { pres_bl, posts_bl }, /* Bl */
154: { NULL, NULL }, /* El */
155: { pres_it, posts_it }, /* It */
156: { NULL, posts_text }, /* Ad */
157: { pres_an, posts_an }, /* An */
158: { NULL, NULL }, /* Ar */
1.50 schwarze 159: { NULL, posts_text }, /* Cd */
1.1 kristaps 160: { NULL, NULL }, /* Cm */
161: { NULL, NULL }, /* Dv */
162: { pres_er, posts_text }, /* Er */
163: { NULL, NULL }, /* Ev */
1.35 schwarze 164: { pres_ex, NULL }, /* Ex */
1.1 kristaps 165: { NULL, NULL }, /* Fa */
166: { pres_fd, posts_wtext }, /* Fd */
167: { NULL, NULL }, /* Fl */
168: { NULL, posts_text }, /* Fn */
169: { NULL, posts_wtext }, /* Ft */
170: { NULL, posts_text }, /* Ic */
1.38 schwarze 171: { NULL, posts_text1 }, /* In */
1.1 kristaps 172: { NULL, NULL }, /* Li */
1.25 schwarze 173: { NULL, posts_nd }, /* Nd */
1.1 kristaps 174: { NULL, posts_nm }, /* Nm */
175: { NULL, posts_wline }, /* Op */
176: { NULL, NULL }, /* Ot */
177: { NULL, NULL }, /* Pa */
1.35 schwarze 178: { pres_rv, NULL }, /* Rv */
1.1 kristaps 179: { NULL, posts_st }, /* St */
180: { NULL, NULL }, /* Va */
1.42 schwarze 181: { NULL, posts_vt }, /* Vt */
1.1 kristaps 182: { NULL, posts_xr }, /* Xr */
183: { NULL, posts_text }, /* %A */
1.37 schwarze 184: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.40 schwarze 185: { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */
1.1 kristaps 186: { NULL, posts_text }, /* %I */
187: { NULL, posts_text }, /* %J */
188: { NULL, posts_text }, /* %N */
189: { NULL, posts_text }, /* %O */
190: { NULL, posts_text }, /* %P */
191: { NULL, posts_text }, /* %R */
1.37 schwarze 192: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 193: { NULL, posts_text }, /* %V */
194: { NULL, NULL }, /* Ac */
195: { NULL, NULL }, /* Ao */
196: { NULL, posts_wline }, /* Aq */
197: { NULL, posts_at }, /* At */
198: { NULL, NULL }, /* Bc */
199: { NULL, posts_bf }, /* Bf */
200: { NULL, NULL }, /* Bo */
201: { NULL, posts_wline }, /* Bq */
202: { NULL, NULL }, /* Bsx */
203: { NULL, NULL }, /* Bx */
204: { NULL, posts_bool }, /* Db */
205: { NULL, NULL }, /* Dc */
206: { NULL, NULL }, /* Do */
207: { NULL, posts_wline }, /* Dq */
208: { NULL, NULL }, /* Ec */
209: { NULL, NULL }, /* Ef */
210: { NULL, NULL }, /* Em */
211: { NULL, NULL }, /* Eo */
212: { NULL, NULL }, /* Fx */
213: { NULL, posts_text }, /* Ms */
214: { NULL, posts_notext }, /* No */
215: { NULL, posts_notext }, /* Ns */
216: { NULL, NULL }, /* Nx */
217: { NULL, NULL }, /* Ox */
218: { NULL, NULL }, /* Pc */
1.38 schwarze 219: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 220: { NULL, NULL }, /* Po */
221: { NULL, posts_wline }, /* Pq */
222: { NULL, NULL }, /* Qc */
223: { NULL, posts_wline }, /* Ql */
224: { NULL, NULL }, /* Qo */
225: { NULL, posts_wline }, /* Qq */
226: { NULL, NULL }, /* Re */
1.36 schwarze 227: { NULL, posts_rs }, /* Rs */
1.1 kristaps 228: { NULL, NULL }, /* Sc */
229: { NULL, NULL }, /* So */
230: { NULL, posts_wline }, /* Sq */
231: { NULL, posts_bool }, /* Sm */
232: { NULL, posts_text }, /* Sx */
233: { NULL, posts_text }, /* Sy */
234: { NULL, posts_text }, /* Tn */
235: { NULL, NULL }, /* Ux */
236: { NULL, NULL }, /* Xc */
237: { NULL, NULL }, /* Xo */
238: { NULL, posts_fo }, /* Fo */
239: { NULL, NULL }, /* Fc */
240: { NULL, NULL }, /* Oo */
241: { NULL, NULL }, /* Oc */
242: { NULL, posts_wline }, /* Bk */
243: { NULL, NULL }, /* Ek */
244: { NULL, posts_notext }, /* Bt */
245: { NULL, NULL }, /* Hf */
246: { NULL, NULL }, /* Fr */
247: { NULL, posts_notext }, /* Ud */
248: { pres_lb, posts_lb }, /* Lb */
1.31 schwarze 249: { NULL, posts_notext }, /* Lp */
1.38 schwarze 250: { NULL, posts_text }, /* Lk */
1.1 kristaps 251: { NULL, posts_text }, /* Mt */
252: { NULL, posts_wline }, /* Brq */
253: { NULL, NULL }, /* Bro */
254: { NULL, NULL }, /* Brc */
255: { NULL, posts_text }, /* %C */
256: { NULL, NULL }, /* Es */
257: { NULL, NULL }, /* En */
258: { NULL, NULL }, /* Dx */
259: { NULL, posts_text }, /* %Q */
1.31 schwarze 260: { NULL, posts_notext }, /* br */
261: { NULL, posts_sp }, /* sp */
1.38 schwarze 262: { NULL, posts_text1 }, /* %U */
1.1 kristaps 263: };
264:
265:
266: int
1.28 schwarze 267: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 268: {
269: v_pre *p;
270: int line, pos;
271: const char *tp;
272:
273: if (MDOC_TEXT == n->type) {
274: tp = n->string;
275: line = n->line;
276: pos = n->pos;
277: return(check_text(mdoc, line, pos, tp));
278: }
279:
280: if ( ! check_args(mdoc, n))
281: return(0);
282: if (NULL == mdoc_valids[n->tok].pre)
283: return(1);
284: for (p = mdoc_valids[n->tok].pre; *p; p++)
285: if ( ! (*p)(mdoc, n))
286: return(0);
287: return(1);
288: }
289:
290:
291: int
292: mdoc_valid_post(struct mdoc *mdoc)
293: {
294: v_post *p;
295:
296: if (MDOC_VALID & mdoc->last->flags)
297: return(1);
298: mdoc->last->flags |= MDOC_VALID;
299:
300: if (MDOC_TEXT == mdoc->last->type)
301: return(1);
302: if (MDOC_ROOT == mdoc->last->type)
303: return(post_root(mdoc));
304:
305: if (NULL == mdoc_valids[mdoc->last->tok].post)
306: return(1);
307: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
308: if ( ! (*p)(mdoc))
309: return(0);
310:
311: return(1);
312: }
313:
314:
315: static inline int
316: warn_count(struct mdoc *m, const char *k,
317: int want, const char *v, int has)
318: {
319:
1.16 schwarze 320: return(mdoc_vwarn(m, m->last->line, m->last->pos,
1.1 kristaps 321: "suggests %s %s %d (has %d)", v, k, want, has));
322: }
323:
324:
325: static inline int
326: err_count(struct mdoc *m, const char *k,
327: int want, const char *v, int has)
328: {
329:
1.17 schwarze 330: return(mdoc_verr(m, m->last->line, m->last->pos,
1.1 kristaps 331: "requires %s %s %d (has %d)", v, k, want, has));
332: }
333:
334:
335: /*
336: * Build these up with macros because they're basically the same check
337: * for different inequalities. Yes, this could be done with functions,
338: * but this is reasonable for now.
339: */
340:
341: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
342: static int \
343: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
344: { \
1.12 schwarze 345: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 346: return(1); \
1.12 schwarze 347: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 348: }
349:
350: #define CHECK_BODY_DEFN(name, lvl, func, num) \
351: static int \
352: b##lvl##_##name(POST_ARGS) \
353: { \
354: if (MDOC_BODY != mdoc->last->type) \
355: return(1); \
356: return(func(mdoc, "multi-line arguments", (num))); \
357: }
358:
359: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
360: static int \
361: e##lvl##_##name(POST_ARGS) \
362: { \
363: assert(MDOC_ELEM == mdoc->last->type); \
364: return(func(mdoc, "line arguments", (num))); \
365: }
366:
367: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
368: static int \
369: h##lvl##_##name(POST_ARGS) \
370: { \
371: if (MDOC_HEAD != mdoc->last->type) \
372: return(1); \
373: return(func(mdoc, "line arguments", (num))); \
374: }
375:
376:
377: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
378: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
379: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
380: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
381: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
382: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
383: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.25 schwarze 384: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 385: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
386: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
1.37 schwarze 387: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
1.1 kristaps 388: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
389: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
390: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
391: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
392: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
393: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.48 schwarze 394: CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0) /* hwarn_eq0() */
1.1 kristaps 395:
396:
397: static int
398: check_stdarg(PRE_ARGS)
399: {
400:
401: if (n->args && 1 == n->args->argc)
402: if (MDOC_Std == n->args->argv[0].arg)
403: return(1);
1.21 schwarze 404: return(mdoc_nwarn(mdoc, n, EARGVAL));
1.1 kristaps 405: }
406:
407:
408: static int
409: check_args(struct mdoc *m, const struct mdoc_node *n)
410: {
411: int i;
412:
413: if (NULL == n->args)
414: return(1);
415:
416: assert(n->args->argc);
417: for (i = 0; i < (int)n->args->argc; i++)
418: if ( ! check_argv(m, n, &n->args->argv[i]))
419: return(0);
420:
421: return(1);
422: }
423:
424:
425: static int
426: check_argv(struct mdoc *m, const struct mdoc_node *n,
427: const struct mdoc_argv *v)
428: {
429: int i;
430:
431: for (i = 0; i < (int)v->sz; i++)
432: if ( ! check_text(m, v->line, v->pos, v->value[i]))
433: return(0);
434:
435: if (MDOC_Std == v->arg) {
436: /* `Nm' name must be set. */
437: if (v->sz || m->meta.name)
438: return(1);
1.19 schwarze 439: return(mdoc_nerr(m, n, ENAME));
1.1 kristaps 440: }
441:
442: return(1);
443: }
444:
445:
446: static int
447: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
448: {
1.15 schwarze 449: int c;
1.1 kristaps 450:
1.15 schwarze 451: for ( ; *p; p++, pos++) {
1.1 kristaps 452: if ('\t' == *p) {
453: if ( ! (MDOC_LITERAL & mdoc->flags))
1.49 schwarze 454: if ( ! mdoc_pwarn(mdoc, line, pos, EPRINT))
1.1 kristaps 455: return(0);
456: } else if ( ! isprint((u_char)*p))
1.49 schwarze 457: if ( ! mdoc_pwarn(mdoc, line, pos, EPRINT))
1.1 kristaps 458: return(0);
459:
460: if ('\\' != *p)
461: continue;
462:
1.15 schwarze 463: c = mandoc_special(p);
1.1 kristaps 464: if (c) {
1.15 schwarze 465: p += c - 1;
466: pos += c - 1;
1.1 kristaps 467: continue;
468: }
469: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
1.20 schwarze 470: return(mdoc_perr(mdoc, line, pos, EESCAPE));
1.24 schwarze 471: if ( ! mdoc_pwarn(mdoc, line, pos, EESCAPE))
1.1 kristaps 472: return(0);
473: }
474:
475: return(1);
476: }
477:
478:
479:
480:
481: static int
1.44 schwarze 482: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 483: {
484:
485: assert(n->parent);
486: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
487: (t == n->parent->type))
488: return(1);
489:
1.17 schwarze 490: return(mdoc_verr(mdoc, n->line, n->pos, "require parent %s",
1.1 kristaps 491: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
492: }
493:
494:
495:
496: static int
497: pre_display(PRE_ARGS)
498: {
499: struct mdoc_node *node;
500:
501: /* Display elements (`Bd', `D1'...) cannot be nested. */
502:
503: if (MDOC_BLOCK != n->type)
504: return(1);
505:
506: /* LINTED */
507: for (node = mdoc->last->parent; node; node = node->parent)
508: if (MDOC_BLOCK == node->type)
509: if (MDOC_Bd == node->tok)
510: break;
511: if (NULL == node)
512: return(1);
513:
1.19 schwarze 514: return(mdoc_nerr(mdoc, n, ENESTDISP));
1.1 kristaps 515: }
516:
517:
518: static int
519: pre_bl(PRE_ARGS)
520: {
1.11 schwarze 521: int pos, type, width, offset;
1.1 kristaps 522:
523: if (MDOC_BLOCK != n->type)
524: return(1);
525: if (NULL == n->args)
1.19 schwarze 526: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 527:
528: /* Make sure that only one type of list is specified. */
529:
1.11 schwarze 530: type = offset = width = -1;
1.1 kristaps 531:
532: /* LINTED */
1.5 schwarze 533: for (pos = 0; pos < (int)n->args->argc; pos++)
534: switch (n->args->argv[pos].arg) {
1.1 kristaps 535: case (MDOC_Bullet):
536: /* FALLTHROUGH */
537: case (MDOC_Dash):
538: /* FALLTHROUGH */
539: case (MDOC_Enum):
540: /* FALLTHROUGH */
541: case (MDOC_Hyphen):
542: /* FALLTHROUGH */
543: case (MDOC_Item):
544: /* FALLTHROUGH */
545: case (MDOC_Tag):
546: /* FALLTHROUGH */
547: case (MDOC_Diag):
548: /* FALLTHROUGH */
549: case (MDOC_Hang):
550: /* FALLTHROUGH */
551: case (MDOC_Ohang):
552: /* FALLTHROUGH */
553: case (MDOC_Inset):
554: /* FALLTHROUGH */
555: case (MDOC_Column):
1.48 schwarze 556: /*
557: * Note that if a duplicate is detected, we
558: * remove the duplicate instead of passing it
559: * over. If we don't do this, mdoc_action will
560: * become confused when it scans over multiple
561: * types whilst setting its bitmasks.
562: *
563: * FIXME: this should occur in mdoc_action.c.
564: */
1.46 schwarze 565: if (type >= 0) {
566: if ( ! mdoc_nwarn(mdoc, n, EMULTILIST))
567: return(0);
568: mdoc_argn_free(n->args, pos);
569: break;
570: }
1.5 schwarze 571: type = n->args->argv[pos].arg;
572: break;
1.37 schwarze 573: case (MDOC_Compact):
574: if (type < 0 && ! mdoc_nwarn(mdoc, n, ENOTYPE))
575: return(0);
576: break;
1.1 kristaps 577: case (MDOC_Width):
1.37 schwarze 578: if (width >= 0)
1.19 schwarze 579: return(mdoc_nerr(mdoc, n, EARGREP));
1.37 schwarze 580: if (type < 0 && ! mdoc_nwarn(mdoc, n, ENOTYPE))
581: return(0);
1.5 schwarze 582: width = n->args->argv[pos].arg;
583: break;
1.1 kristaps 584: case (MDOC_Offset):
1.37 schwarze 585: if (offset >= 0)
1.19 schwarze 586: return(mdoc_nerr(mdoc, n, EARGREP));
1.37 schwarze 587: if (type < 0 && ! mdoc_nwarn(mdoc, n, ENOTYPE))
588: return(0);
1.5 schwarze 589: offset = n->args->argv[pos].arg;
590: break;
1.1 kristaps 591: default:
592: break;
593: }
594:
1.37 schwarze 595: if (type < 0)
1.19 schwarze 596: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 597:
1.5 schwarze 598: /*
599: * Validate the width field. Some list types don't need width
600: * types and should be warned about them. Others should have it
601: * and must also be warned.
602: */
603:
1.1 kristaps 604: switch (type) {
1.5 schwarze 605: case (MDOC_Tag):
1.37 schwarze 606: if (width < 0 && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
1.5 schwarze 607: return(0);
608: break;
1.1 kristaps 609: case (MDOC_Column):
610: /* FALLTHROUGH */
611: case (MDOC_Diag):
612: /* FALLTHROUGH */
1.40 schwarze 613: case (MDOC_Ohang):
614: /* FALLTHROUGH */
1.1 kristaps 615: case (MDOC_Inset):
616: /* FALLTHROUGH */
617: case (MDOC_Item):
1.37 schwarze 618: if (width >= 0 && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
1.5 schwarze 619: return(0);
620: break;
621: default:
622: break;
623: }
624:
1.1 kristaps 625: return(1);
626: }
627:
628:
629: static int
630: pre_bd(PRE_ARGS)
631: {
632: int i, type, err;
633:
634: if (MDOC_BLOCK != n->type)
635: return(1);
636: if (NULL == n->args)
1.19 schwarze 637: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 638:
639: /* Make sure that only one type of display is specified. */
640:
641: /* LINTED */
642: for (i = 0, err = type = 0; ! err &&
643: i < (int)n->args->argc; i++)
644: switch (n->args->argv[i].arg) {
1.38 schwarze 645: case (MDOC_Centred):
646: /* FALLTHROUGH */
1.1 kristaps 647: case (MDOC_Ragged):
648: /* FALLTHROUGH */
649: case (MDOC_Unfilled):
650: /* FALLTHROUGH */
651: case (MDOC_Filled):
652: /* FALLTHROUGH */
653: case (MDOC_Literal):
654: if (0 == type++)
655: break;
1.19 schwarze 656: return(mdoc_nerr(mdoc, n, EMULTIDISP));
1.1 kristaps 657: default:
658: break;
659: }
660:
661: if (type)
662: return(1);
1.19 schwarze 663: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 664: }
665:
666:
667: static int
668: pre_ss(PRE_ARGS)
669: {
670:
671: if (MDOC_BLOCK != n->type)
672: return(1);
673: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
674: }
675:
676:
677: static int
678: pre_sh(PRE_ARGS)
679: {
680:
681: if (MDOC_BLOCK != n->type)
682: return(1);
1.50 schwarze 683: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 684: }
685:
686:
687: static int
688: pre_it(PRE_ARGS)
689: {
690:
691: if (MDOC_BLOCK != n->type)
692: return(1);
693: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
694: }
695:
696:
697: static int
698: pre_an(PRE_ARGS)
699: {
700:
701: if (NULL == n->args || 1 == n->args->argc)
702: return(1);
1.17 schwarze 703: return(mdoc_verr(mdoc, n->line, n->pos,
704: "only one argument allowed"));
1.1 kristaps 705: }
706:
707:
708: static int
709: pre_rv(PRE_ARGS)
710: {
711:
712: return(check_stdarg(mdoc, n));
713: }
714:
715:
716: static int
717: pre_dt(PRE_ARGS)
718: {
1.40 schwarze 719:
720: /* FIXME: make sure is capitalised. */
1.1 kristaps 721:
722: if (0 == mdoc->meta.date || mdoc->meta.os)
1.21 schwarze 723: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 724: return(0);
725: if (mdoc->meta.title)
1.21 schwarze 726: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 727: return(0);
728: return(1);
729: }
730:
731:
732: static int
733: pre_os(PRE_ARGS)
734: {
735:
736: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.21 schwarze 737: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 738: return(0);
739: if (mdoc->meta.os)
1.21 schwarze 740: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 741: return(0);
742: return(1);
743: }
744:
745:
746: static int
747: pre_dd(PRE_ARGS)
748: {
749:
750: if (mdoc->meta.title || mdoc->meta.os)
1.21 schwarze 751: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 752: return(0);
753: if (mdoc->meta.date)
1.21 schwarze 754: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 755: return(0);
756: return(1);
757: }
758:
759:
760: static int
761: post_bf(POST_ARGS)
762: {
763: char *p;
764: struct mdoc_node *head;
765:
766: if (MDOC_BLOCK != mdoc->last->type)
767: return(1);
768:
769: head = mdoc->last->head;
770:
1.10 schwarze 771: if (mdoc->last->args && head->child)
1.19 schwarze 772: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.10 schwarze 773: else if (mdoc->last->args)
774: return(1);
775:
776: if (NULL == head->child || MDOC_TEXT != head->child->type)
1.19 schwarze 777: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 778:
1.10 schwarze 779: p = head->child->string;
1.1 kristaps 780:
1.10 schwarze 781: if (0 == strcmp(p, "Em"))
782: return(1);
783: else if (0 == strcmp(p, "Li"))
784: return(1);
1.30 schwarze 785: else if (0 == strcmp(p, "Sy"))
1.10 schwarze 786: return(1);
1.1 kristaps 787:
1.19 schwarze 788: return(mdoc_nerr(mdoc, head, EFONT));
1.27 schwarze 789: }
790:
791:
792: static int
793: post_lb(POST_ARGS)
794: {
795:
796: if (mdoc_a2lib(mdoc->last->child->string))
797: return(1);
798: return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
1.42 schwarze 799: }
800:
801:
802: static int
803: post_vt(POST_ARGS)
804: {
805: const struct mdoc_node *n;
806:
807: /*
808: * The Vt macro comes in both ELEM and BLOCK form, both of which
809: * have different syntaxes (yet more context-sensitive
810: * behaviour). ELEM types must have a child; BLOCK types,
811: * specifically the BODY, should only have TEXT children.
812: */
813:
814: if (MDOC_ELEM == mdoc->last->type)
815: return(eerr_ge1(mdoc));
816: if (MDOC_BODY != mdoc->last->type)
817: return(1);
818:
819: for (n = mdoc->last->child; n; n = n->next)
1.52 schwarze 820: if (MDOC_TEXT != n->type)
1.42 schwarze 821: if ( ! mdoc_nwarn(mdoc, n, EBADCHILD))
822: return(0);
823:
824: return(1);
1.1 kristaps 825: }
826:
827:
828: static int
829: post_nm(POST_ARGS)
830: {
831:
832: if (mdoc->last->child)
833: return(1);
834: if (mdoc->meta.name)
835: return(1);
1.19 schwarze 836: return(mdoc_nerr(mdoc, mdoc->last, ENAME));
1.1 kristaps 837: }
838:
839:
840: static int
841: post_at(POST_ARGS)
842: {
843:
844: if (NULL == mdoc->last->child)
845: return(1);
846: if (MDOC_TEXT != mdoc->last->child->type)
1.19 schwarze 847: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 848: if (mdoc_a2att(mdoc->last->child->string))
849: return(1);
1.53 ! schwarze 850: return(mdoc_nwarn(mdoc, mdoc->last, EATT));
1.1 kristaps 851: }
852:
853:
854: static int
855: post_an(POST_ARGS)
856: {
857:
858: if (mdoc->last->args) {
859: if (NULL == mdoc->last->child)
860: return(1);
1.34 schwarze 861: return(mdoc_nerr(mdoc, mdoc->last, ENOLINE));
1.1 kristaps 862: }
863:
864: if (mdoc->last->child)
865: return(1);
1.19 schwarze 866: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 867: }
868:
869:
870: static int
871: post_it(POST_ARGS)
872: {
873: int type, i, cols;
874: struct mdoc_node *n, *c;
875:
876: if (MDOC_BLOCK != mdoc->last->type)
877: return(1);
878:
879: n = mdoc->last->parent->parent;
880: if (NULL == n->args)
1.19 schwarze 881: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 882:
883: /* Some types require block-head, some not. */
884:
885: /* LINTED */
886: for (cols = type = -1, i = 0; -1 == type &&
887: i < (int)n->args->argc; i++)
888: switch (n->args->argv[i].arg) {
889: case (MDOC_Tag):
890: /* FALLTHROUGH */
891: case (MDOC_Diag):
892: /* FALLTHROUGH */
893: case (MDOC_Hang):
894: /* FALLTHROUGH */
895: case (MDOC_Ohang):
896: /* FALLTHROUGH */
897: case (MDOC_Inset):
898: /* FALLTHROUGH */
899: case (MDOC_Bullet):
900: /* FALLTHROUGH */
901: case (MDOC_Dash):
902: /* FALLTHROUGH */
903: case (MDOC_Enum):
904: /* FALLTHROUGH */
905: case (MDOC_Hyphen):
906: /* FALLTHROUGH */
907: case (MDOC_Item):
908: type = n->args->argv[i].arg;
909: break;
910: case (MDOC_Column):
911: type = n->args->argv[i].arg;
912: cols = (int)n->args->argv[i].sz;
913: break;
914: default:
915: break;
916: }
917:
918: if (-1 == type)
1.19 schwarze 919: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 920:
921: switch (type) {
922: case (MDOC_Tag):
923: if (NULL == mdoc->last->head->child)
1.21 schwarze 924: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 925: return(0);
926: break;
927: case (MDOC_Hang):
928: /* FALLTHROUGH */
929: case (MDOC_Ohang):
930: /* FALLTHROUGH */
931: case (MDOC_Inset):
932: /* FALLTHROUGH */
933: case (MDOC_Diag):
934: if (NULL == mdoc->last->head->child)
1.21 schwarze 935: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 936: return(0);
937: if (NULL == mdoc->last->body->child)
1.21 schwarze 938: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 939: return(0);
940: break;
941: case (MDOC_Bullet):
942: /* FALLTHROUGH */
943: case (MDOC_Dash):
944: /* FALLTHROUGH */
945: case (MDOC_Enum):
946: /* FALLTHROUGH */
947: case (MDOC_Hyphen):
948: /* FALLTHROUGH */
949: case (MDOC_Item):
950: if (mdoc->last->head->child)
1.21 schwarze 951: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
1.1 kristaps 952: return(0);
953: if (NULL == mdoc->last->body->child)
1.21 schwarze 954: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 955: return(0);
956: break;
957: case (MDOC_Column):
958: if (NULL == mdoc->last->head->child)
1.21 schwarze 959: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 960: return(0);
961: if (mdoc->last->body->child)
1.21 schwarze 962: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
1.1 kristaps 963: return(0);
964: c = mdoc->last->child;
965: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
966: i++;
1.32 schwarze 967:
1.53 ! schwarze 968: if (i < cols) {
1.32 schwarze 969: if ( ! mdoc_vwarn(mdoc, mdoc->last->line,
970: mdoc->last->pos, "column "
971: "mismatch: have %d, want %d",
972: i, cols))
973: return(0);
1.1 kristaps 974: break;
1.53 ! schwarze 975: } else if (i == cols || i == cols + 1)
1.32 schwarze 976: break;
977:
978: return(mdoc_verr(mdoc, mdoc->last->line,
979: mdoc->last->pos, "column mismatch: "
980: "have %d, want %d", i, cols));
1.1 kristaps 981: default:
982: break;
983: }
984:
985: return(1);
986: }
987:
988:
989: static int
1.11 schwarze 990: post_bl_head(POST_ARGS)
991: {
992: int i;
993: const struct mdoc_node *n;
1.48 schwarze 994: const struct mdoc_argv *a;
1.11 schwarze 995:
996: n = mdoc->last->parent;
997: assert(n->args);
998:
1.48 schwarze 999: for (i = 0; i < (int)n->args->argc; i++) {
1000: a = &n->args->argv[i];
1001: if (a->arg == MDOC_Column) {
1002: if (a->sz && mdoc->last->nchild)
1003: return(mdoc_nerr(mdoc, n, ECOLMIS));
1004: return(1);
1005: }
1006: }
1.11 schwarze 1007:
1.48 schwarze 1008: if (0 == (i = mdoc->last->nchild))
1.11 schwarze 1009: return(1);
1.48 schwarze 1010: return(warn_count(mdoc, "==", 0, "line arguments", i));
1.11 schwarze 1011: }
1012:
1013:
1014: static int
1.1 kristaps 1015: post_bl(POST_ARGS)
1016: {
1017: struct mdoc_node *n;
1018:
1.11 schwarze 1019: if (MDOC_HEAD == mdoc->last->type)
1020: return(post_bl_head(mdoc));
1.1 kristaps 1021: if (MDOC_BODY != mdoc->last->type)
1022: return(1);
1023: if (NULL == mdoc->last->child)
1024: return(1);
1025:
1.41 schwarze 1026: /*
1027: * We only allow certain children of `Bl'. This is usually on
1028: * `It', but apparently `Sm' occurs here and there, so we let
1029: * that one through, too.
1030: */
1031:
1.1 kristaps 1032: /* LINTED */
1033: for (n = mdoc->last->child; n; n = n->next) {
1.41 schwarze 1034: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1035: continue;
1036: if (MDOC_Sm == n->tok)
1037: continue;
1.36 schwarze 1038: return(mdoc_nerr(mdoc, n, EBADCHILD));
1.1 kristaps 1039: }
1040:
1041: return(1);
1042: }
1043:
1044:
1045: static int
1046: ebool(struct mdoc *mdoc)
1047: {
1048: struct mdoc_node *n;
1049:
1050: /* LINTED */
1051: for (n = mdoc->last->child; n; n = n->next) {
1052: if (MDOC_TEXT != n->type)
1053: break;
1054: if (0 == strcmp(n->string, "on"))
1055: continue;
1056: if (0 == strcmp(n->string, "off"))
1057: continue;
1058: break;
1059: }
1060:
1061: if (NULL == n)
1062: return(1);
1.19 schwarze 1063: return(mdoc_nerr(mdoc, n, EBOOL));
1.1 kristaps 1064: }
1065:
1066:
1067: static int
1068: post_root(POST_ARGS)
1069: {
1070:
1071: if (NULL == mdoc->first->child)
1.19 schwarze 1072: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.9 schwarze 1073: if ( ! (MDOC_PBODY & mdoc->flags))
1.19 schwarze 1074: return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
1.1 kristaps 1075:
1076: if (MDOC_BLOCK != mdoc->first->child->type)
1.19 schwarze 1077: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1078: if (MDOC_Sh != mdoc->first->child->tok)
1.19 schwarze 1079: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1080:
1081: return(1);
1082: }
1083:
1084:
1085: static int
1086: post_st(POST_ARGS)
1087: {
1088:
1089: if (mdoc_a2st(mdoc->last->child->string))
1090: return(1);
1.53 ! schwarze 1091: return(mdoc_nwarn(mdoc, mdoc->last, EBADSTAND));
1.36 schwarze 1092: }
1093:
1094:
1095: static int
1096: post_rs(POST_ARGS)
1097: {
1098: struct mdoc_node *nn;
1099:
1100: if (MDOC_BODY != mdoc->last->type)
1101: return(1);
1102:
1103: for (nn = mdoc->last->child; nn; nn = nn->next)
1104: switch (nn->tok) {
1.38 schwarze 1105: case(MDOC__U):
1106: /* FALLTHROUGH */
1.36 schwarze 1107: case(MDOC__Q):
1108: /* FALLTHROUGH */
1109: case(MDOC__C):
1110: /* FALLTHROUGH */
1111: case(MDOC__A):
1112: /* FALLTHROUGH */
1113: case(MDOC__B):
1114: /* FALLTHROUGH */
1115: case(MDOC__D):
1116: /* FALLTHROUGH */
1117: case(MDOC__I):
1118: /* FALLTHROUGH */
1119: case(MDOC__J):
1120: /* FALLTHROUGH */
1121: case(MDOC__N):
1122: /* FALLTHROUGH */
1123: case(MDOC__O):
1124: /* FALLTHROUGH */
1125: case(MDOC__P):
1126: /* FALLTHROUGH */
1127: case(MDOC__R):
1128: /* FALLTHROUGH */
1129: case(MDOC__T):
1130: /* FALLTHROUGH */
1131: case(MDOC__V):
1132: break;
1133: default:
1134: return(mdoc_nerr(mdoc, nn, EBADCHILD));
1135: }
1136:
1137: return(1);
1.1 kristaps 1138: }
1139:
1140:
1141: static int
1142: post_sh(POST_ARGS)
1143: {
1144:
1145: if (MDOC_HEAD == mdoc->last->type)
1146: return(post_sh_head(mdoc));
1147: if (MDOC_BODY == mdoc->last->type)
1148: return(post_sh_body(mdoc));
1149:
1150: return(1);
1151: }
1152:
1153:
1154: static int
1155: post_sh_body(POST_ARGS)
1156: {
1157: struct mdoc_node *n;
1158:
1.26 schwarze 1159: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1160: return(1);
1161:
1162: /*
1163: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1164: * macros (can have multiple `Nm' and one `Nd'). Note that the
1165: * children of the BODY declaration can also be "text".
1166: */
1167:
1168: if (NULL == (n = mdoc->last->child))
1.21 schwarze 1169: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1170:
1171: for ( ; n && n->next; n = n->next) {
1172: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1173: continue;
1174: if (MDOC_TEXT == n->type)
1175: continue;
1.21 schwarze 1176: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
1.1 kristaps 1177: return(0);
1178: }
1179:
1.34 schwarze 1180: assert(n);
1.25 schwarze 1181: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1182: return(1);
1.21 schwarze 1183: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1184: }
1185:
1186:
1187: static int
1188: post_sh_head(POST_ARGS)
1189: {
1190: char buf[64];
1191: enum mdoc_sec sec;
1192: const struct mdoc_node *n;
1193:
1194: /*
1195: * Process a new section. Sections are either "named" or
1196: * "custom"; custom sections are user-defined, while named ones
1197: * usually follow a conventional order and may only appear in
1198: * certain manual sections.
1199: */
1200:
1.9 schwarze 1201: buf[0] = 0;
1.1 kristaps 1202:
1203: for (n = mdoc->last->child; n; n = n->next) {
1.9 schwarze 1204: /* XXX - copied from compact(). */
1.1 kristaps 1205: assert(MDOC_TEXT == n->type);
1.9 schwarze 1206:
1.1 kristaps 1207: if (strlcat(buf, n->string, 64) >= 64)
1.19 schwarze 1208: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1209: if (NULL == n->next)
1210: continue;
1211: if (strlcat(buf, " ", 64) >= 64)
1.19 schwarze 1212: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1213: }
1214:
1.51 schwarze 1215: sec = mdoc_str2sec(buf);
1.1 kristaps 1216:
1.9 schwarze 1217: /*
1218: * Check: NAME should always be first, CUSTOM has no roles,
1219: * non-CUSTOM has a conventional order to be followed.
1220: */
1.1 kristaps 1221:
1.51 schwarze 1222: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1223: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECNAME))
1224: return(0);
1225:
1.1 kristaps 1226: if (SEC_CUSTOM == sec)
1227: return(1);
1.51 schwarze 1228:
1.1 kristaps 1229: if (sec == mdoc->lastnamed)
1.23 schwarze 1230: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
1231: return(0);
1.51 schwarze 1232:
1.1 kristaps 1233: if (sec < mdoc->lastnamed)
1.23 schwarze 1234: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
1235: return(0);
1.1 kristaps 1236:
1.9 schwarze 1237: /*
1238: * Check particular section/manual conventions. LIBRARY can
1239: * only occur in msec 2, 3 (TODO: are there more of these?).
1240: */
1.1 kristaps 1241:
1242: switch (sec) {
1243: case (SEC_LIBRARY):
1244: switch (mdoc->meta.msec) {
1245: case (2):
1246: /* FALLTHROUGH */
1247: case (3):
1248: break;
1249: default:
1.21 schwarze 1250: return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
1.1 kristaps 1251: }
1252: break;
1253: default:
1254: break;
1255: }
1256:
1257: return(1);
1258: }
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