Annotation of mandoc/mdoc_validate.c, Revision 1.79
1.79 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.78 2010/05/15 16:24:38 kristaps Exp $ */
1.1 kristaps 2: /*
1.77 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.5 kristaps 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: *
1.5 kristaps 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: */
1.56 kristaps 17: #ifdef HAVE_CONFIG_H
18: #include "config.h"
19: #endif
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.35 kristaps 25: #include <limits.h>
1.1 kristaps 26: #include <stdlib.h>
1.2 kristaps 27: #include <string.h>
1.1 kristaps 28:
1.79 ! kristaps 29: #include "mandoc.h"
1.1 kristaps 30: #include "libmdoc.h"
1.18 kristaps 31: #include "libmandoc.h"
1.1 kristaps 32:
33: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
34: /* TODO: ignoring Pp (it's superfluous in some invocations). */
35:
1.32 kristaps 36: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
37: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 38:
39: typedef int (*v_pre)(PRE_ARGS);
40: typedef int (*v_post)(POST_ARGS);
41:
42: struct valids {
43: v_pre *pre;
44: v_post *post;
45: };
46:
1.59 kristaps 47: static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
1.32 kristaps 48: static int check_stdarg(PRE_ARGS);
49: static int check_text(struct mdoc *, int, int, const char *);
50: static int check_argv(struct mdoc *,
1.1 kristaps 51: const struct mdoc_node *,
52: const struct mdoc_argv *);
1.32 kristaps 53: static int check_args(struct mdoc *,
1.1 kristaps 54: const struct mdoc_node *);
1.32 kristaps 55: static int err_child_lt(struct mdoc *, const char *, int);
56: static int warn_child_lt(struct mdoc *, const char *, int);
57: static int err_child_gt(struct mdoc *, const char *, int);
58: static int warn_child_gt(struct mdoc *, const char *, int);
59: static int err_child_eq(struct mdoc *, const char *, int);
60: static int warn_child_eq(struct mdoc *, const char *, int);
61: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 62: int, const char *, int);
1.32 kristaps 63: static int err_count(struct mdoc *, const char *,
1.1 kristaps 64: int, const char *, int);
1.32 kristaps 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);
1.46 kristaps 72: static int eerr_le1(POST_ARGS);
1.32 kristaps 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);
1.66 kristaps 77: static int hwarn_eq0(POST_ARGS);
1.32 kristaps 78: static int hwarn_le1(POST_ARGS);
79:
80: static int post_an(POST_ARGS);
81: static int post_at(POST_ARGS);
82: static int post_bf(POST_ARGS);
83: static int post_bl(POST_ARGS);
84: static int post_bl_head(POST_ARGS);
85: static int post_it(POST_ARGS);
86: static int post_lb(POST_ARGS);
87: static int post_nm(POST_ARGS);
88: static int post_root(POST_ARGS);
1.43 kristaps 89: static int post_rs(POST_ARGS);
1.32 kristaps 90: static int post_sh(POST_ARGS);
91: static int post_sh_body(POST_ARGS);
92: static int post_sh_head(POST_ARGS);
93: static int post_st(POST_ARGS);
1.57 kristaps 94: static int post_vt(POST_ARGS);
1.32 kristaps 95: static int pre_an(PRE_ARGS);
96: static int pre_bd(PRE_ARGS);
97: static int pre_bl(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_it(PRE_ARGS);
102: static int pre_os(PRE_ARGS);
103: static int pre_rv(PRE_ARGS);
104: static int pre_sh(PRE_ARGS);
105: static int pre_ss(PRE_ARGS);
106:
107: static v_post posts_an[] = { post_an, NULL };
108: static v_post posts_at[] = { post_at, NULL };
1.66 kristaps 109: static v_post posts_bd[] = { hwarn_eq0, bwarn_ge1, NULL };
1.32 kristaps 110: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
111: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
112: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
113: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
114: static v_post posts_it[] = { post_it, NULL };
115: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
116: static v_post posts_nd[] = { berr_ge1, NULL };
117: static v_post posts_nm[] = { post_nm, NULL };
118: static v_post posts_notext[] = { eerr_eq0, NULL };
1.44 kristaps 119: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.32 kristaps 120: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.46 kristaps 121: static v_post posts_sp[] = { eerr_le1, NULL };
1.32 kristaps 122: static v_post posts_ss[] = { herr_ge1, NULL };
123: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
124: static v_post posts_text[] = { eerr_ge1, NULL };
1.51 kristaps 125: static v_post posts_text1[] = { eerr_eq1, NULL };
1.57 kristaps 126: static v_post posts_vt[] = { post_vt, NULL };
1.32 kristaps 127: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
128: static v_post posts_wtext[] = { ewarn_ge1, NULL };
1.63 kristaps 129: static v_post posts_xr[] = { ewarn_ge1, NULL };
1.32 kristaps 130: static v_pre pres_an[] = { pre_an, NULL };
131: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
132: static v_pre pres_bl[] = { pre_bl, NULL };
133: static v_pre pres_d1[] = { pre_display, NULL };
134: static v_pre pres_dd[] = { pre_dd, NULL };
135: static v_pre pres_dt[] = { pre_dt, NULL };
1.67 kristaps 136: static v_pre pres_er[] = { NULL, NULL };
1.76 kristaps 137: static v_pre pres_ex[] = { NULL, NULL };
1.77 kristaps 138: static v_pre pres_fd[] = { NULL, NULL };
1.32 kristaps 139: static v_pre pres_it[] = { pre_it, NULL };
1.77 kristaps 140: static v_pre pres_lb[] = { NULL, NULL };
1.32 kristaps 141: static v_pre pres_os[] = { pre_os, NULL };
142: static v_pre pres_rv[] = { pre_rv, NULL };
143: static v_pre pres_sh[] = { pre_sh, NULL };
144: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 145:
146: const struct valids mdoc_valids[MDOC_MAX] = {
1.10 kristaps 147: { NULL, NULL }, /* Ap */
1.1 kristaps 148: { pres_dd, posts_text }, /* Dd */
149: { pres_dt, NULL }, /* Dt */
150: { pres_os, NULL }, /* Os */
151: { pres_sh, posts_sh }, /* Sh */
152: { pres_ss, posts_ss }, /* Ss */
1.34 kristaps 153: { NULL, posts_notext }, /* Pp */
1.1 kristaps 154: { pres_d1, posts_wline }, /* D1 */
155: { pres_d1, posts_wline }, /* Dl */
156: { pres_bd, posts_bd }, /* Bd */
157: { NULL, NULL }, /* Ed */
158: { pres_bl, posts_bl }, /* Bl */
159: { NULL, NULL }, /* El */
160: { pres_it, posts_it }, /* It */
161: { NULL, posts_text }, /* Ad */
162: { pres_an, posts_an }, /* An */
163: { NULL, NULL }, /* Ar */
1.69 kristaps 164: { NULL, posts_text }, /* Cd */
1.1 kristaps 165: { NULL, NULL }, /* Cm */
166: { NULL, NULL }, /* Dv */
167: { pres_er, posts_text }, /* Er */
168: { NULL, NULL }, /* Ev */
1.42 kristaps 169: { pres_ex, NULL }, /* Ex */
1.1 kristaps 170: { NULL, NULL }, /* Fa */
171: { pres_fd, posts_wtext }, /* Fd */
172: { NULL, NULL }, /* Fl */
173: { NULL, posts_text }, /* Fn */
174: { NULL, posts_wtext }, /* Ft */
175: { NULL, posts_text }, /* Ic */
1.51 kristaps 176: { NULL, posts_text1 }, /* In */
1.1 kristaps 177: { NULL, NULL }, /* Li */
1.27 kristaps 178: { NULL, posts_nd }, /* Nd */
1.1 kristaps 179: { NULL, posts_nm }, /* Nm */
180: { NULL, posts_wline }, /* Op */
181: { NULL, NULL }, /* Ot */
182: { NULL, NULL }, /* Pa */
1.42 kristaps 183: { pres_rv, NULL }, /* Rv */
1.1 kristaps 184: { NULL, posts_st }, /* St */
185: { NULL, NULL }, /* Va */
1.57 kristaps 186: { NULL, posts_vt }, /* Vt */
1.1 kristaps 187: { NULL, posts_xr }, /* Xr */
188: { NULL, posts_text }, /* %A */
1.47 kristaps 189: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.54 kristaps 190: { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */
1.1 kristaps 191: { NULL, posts_text }, /* %I */
192: { NULL, posts_text }, /* %J */
193: { NULL, posts_text }, /* %N */
194: { NULL, posts_text }, /* %O */
195: { NULL, posts_text }, /* %P */
196: { NULL, posts_text }, /* %R */
1.47 kristaps 197: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 198: { NULL, posts_text }, /* %V */
199: { NULL, NULL }, /* Ac */
200: { NULL, NULL }, /* Ao */
201: { NULL, posts_wline }, /* Aq */
202: { NULL, posts_at }, /* At */
203: { NULL, NULL }, /* Bc */
204: { NULL, posts_bf }, /* Bf */
205: { NULL, NULL }, /* Bo */
206: { NULL, posts_wline }, /* Bq */
207: { NULL, NULL }, /* Bsx */
208: { NULL, NULL }, /* Bx */
209: { NULL, posts_bool }, /* Db */
210: { NULL, NULL }, /* Dc */
211: { NULL, NULL }, /* Do */
212: { NULL, posts_wline }, /* Dq */
213: { NULL, NULL }, /* Ec */
214: { NULL, NULL }, /* Ef */
215: { NULL, NULL }, /* Em */
216: { NULL, NULL }, /* Eo */
217: { NULL, NULL }, /* Fx */
218: { NULL, posts_text }, /* Ms */
219: { NULL, posts_notext }, /* No */
220: { NULL, posts_notext }, /* Ns */
221: { NULL, NULL }, /* Nx */
222: { NULL, NULL }, /* Ox */
223: { NULL, NULL }, /* Pc */
1.51 kristaps 224: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 225: { NULL, NULL }, /* Po */
226: { NULL, posts_wline }, /* Pq */
227: { NULL, NULL }, /* Qc */
228: { NULL, posts_wline }, /* Ql */
229: { NULL, NULL }, /* Qo */
230: { NULL, posts_wline }, /* Qq */
231: { NULL, NULL }, /* Re */
1.43 kristaps 232: { NULL, posts_rs }, /* Rs */
1.1 kristaps 233: { NULL, NULL }, /* Sc */
234: { NULL, NULL }, /* So */
235: { NULL, posts_wline }, /* Sq */
236: { NULL, posts_bool }, /* Sm */
237: { NULL, posts_text }, /* Sx */
238: { NULL, posts_text }, /* Sy */
239: { NULL, posts_text }, /* Tn */
240: { NULL, NULL }, /* Ux */
241: { NULL, NULL }, /* Xc */
242: { NULL, NULL }, /* Xo */
243: { NULL, posts_fo }, /* Fo */
244: { NULL, NULL }, /* Fc */
245: { NULL, NULL }, /* Oo */
246: { NULL, NULL }, /* Oc */
247: { NULL, posts_wline }, /* Bk */
248: { NULL, NULL }, /* Ek */
249: { NULL, posts_notext }, /* Bt */
250: { NULL, NULL }, /* Hf */
251: { NULL, NULL }, /* Fr */
252: { NULL, posts_notext }, /* Ud */
253: { pres_lb, posts_lb }, /* Lb */
1.34 kristaps 254: { NULL, posts_notext }, /* Lp */
1.51 kristaps 255: { NULL, posts_text }, /* Lk */
1.1 kristaps 256: { NULL, posts_text }, /* Mt */
257: { NULL, posts_wline }, /* Brq */
258: { NULL, NULL }, /* Bro */
259: { NULL, NULL }, /* Brc */
260: { NULL, posts_text }, /* %C */
261: { NULL, NULL }, /* Es */
262: { NULL, NULL }, /* En */
263: { NULL, NULL }, /* Dx */
264: { NULL, posts_text }, /* %Q */
1.33 kristaps 265: { NULL, posts_notext }, /* br */
1.35 kristaps 266: { NULL, posts_sp }, /* sp */
1.51 kristaps 267: { NULL, posts_text1 }, /* %U */
1.1 kristaps 268: };
269:
270:
271: int
1.32 kristaps 272: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 273: {
274: v_pre *p;
275: int line, pos;
276: const char *tp;
277:
278: if (MDOC_TEXT == n->type) {
279: tp = n->string;
280: line = n->line;
281: pos = n->pos;
282: return(check_text(mdoc, line, pos, tp));
283: }
284:
285: if ( ! check_args(mdoc, n))
286: return(0);
287: if (NULL == mdoc_valids[n->tok].pre)
288: return(1);
289: for (p = mdoc_valids[n->tok].pre; *p; p++)
290: if ( ! (*p)(mdoc, n))
291: return(0);
292: return(1);
293: }
294:
295:
296: int
297: mdoc_valid_post(struct mdoc *mdoc)
298: {
299: v_post *p;
300:
301: if (MDOC_VALID & mdoc->last->flags)
302: return(1);
303: mdoc->last->flags |= MDOC_VALID;
304:
305: if (MDOC_TEXT == mdoc->last->type)
306: return(1);
307: if (MDOC_ROOT == mdoc->last->type)
308: return(post_root(mdoc));
309:
310: if (NULL == mdoc_valids[mdoc->last->tok].post)
311: return(1);
312: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
313: if ( ! (*p)(mdoc))
314: return(0);
315:
316: return(1);
317: }
318:
319:
320: static inline int
321: warn_count(struct mdoc *m, const char *k,
322: int want, const char *v, int has)
323: {
324:
1.79 ! kristaps 325: return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
! 326: m->last->line, m->last->pos,
! 327: "%s %s %d (have %d)", v, k, want, has));
1.1 kristaps 328: }
329:
330:
331: static inline int
332: err_count(struct mdoc *m, const char *k,
333: int want, const char *v, int has)
334: {
335:
1.79 ! kristaps 336: mdoc_vmsg(m, MANDOCERR_SYNTARGCOUNT,
! 337: m->last->line, m->last->pos,
! 338: "%s %s %d (have %d)",
! 339: v, k, want, has);
! 340: return(0);
1.1 kristaps 341: }
342:
343:
344: /*
345: * Build these up with macros because they're basically the same check
346: * for different inequalities. Yes, this could be done with functions,
347: * but this is reasonable for now.
348: */
349:
350: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
351: static int \
352: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
353: { \
1.16 kristaps 354: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 355: return(1); \
1.16 kristaps 356: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 357: }
358:
359: #define CHECK_BODY_DEFN(name, lvl, func, num) \
360: static int \
361: b##lvl##_##name(POST_ARGS) \
362: { \
363: if (MDOC_BODY != mdoc->last->type) \
364: return(1); \
365: return(func(mdoc, "multi-line arguments", (num))); \
366: }
367:
368: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
369: static int \
370: e##lvl##_##name(POST_ARGS) \
371: { \
372: assert(MDOC_ELEM == mdoc->last->type); \
373: return(func(mdoc, "line arguments", (num))); \
374: }
375:
376: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
377: static int \
378: h##lvl##_##name(POST_ARGS) \
379: { \
380: if (MDOC_HEAD != mdoc->last->type) \
381: return(1); \
382: return(func(mdoc, "line arguments", (num))); \
383: }
384:
385:
386: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
387: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
388: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
389: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
390: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
391: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
392: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.27 kristaps 393: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 394: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
395: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
1.46 kristaps 396: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
1.1 kristaps 397: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
398: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
399: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
400: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
401: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
402: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.66 kristaps 403: CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0) /* hwarn_eq0() */
1.1 kristaps 404:
405:
406: static int
407: check_stdarg(PRE_ARGS)
408: {
409:
410: if (n->args && 1 == n->args->argc)
411: if (MDOC_Std == n->args->argv[0].arg)
412: return(1);
1.79 ! kristaps 413: return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));
1.1 kristaps 414: }
415:
416:
417: static int
418: check_args(struct mdoc *m, const struct mdoc_node *n)
419: {
420: int i;
421:
422: if (NULL == n->args)
423: return(1);
424:
425: assert(n->args->argc);
426: for (i = 0; i < (int)n->args->argc; i++)
427: if ( ! check_argv(m, n, &n->args->argv[i]))
428: return(0);
429:
430: return(1);
431: }
432:
433:
434: static int
435: check_argv(struct mdoc *m, const struct mdoc_node *n,
436: const struct mdoc_argv *v)
437: {
438: int i;
439:
440: for (i = 0; i < (int)v->sz; i++)
441: if ( ! check_text(m, v->line, v->pos, v->value[i]))
442: return(0);
443:
444: if (MDOC_Std == v->arg) {
445: if (v->sz || m->meta.name)
446: return(1);
1.79 ! kristaps 447: if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
! 448: return(0);
1.1 kristaps 449: }
450:
451: return(1);
452: }
453:
454:
455: static int
456: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
457: {
1.18 kristaps 458: int c;
1.1 kristaps 459:
1.18 kristaps 460: for ( ; *p; p++, pos++) {
1.1 kristaps 461: if ('\t' == *p) {
462: if ( ! (MDOC_LITERAL & mdoc->flags))
1.79 ! kristaps 463: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.4 kristaps 464: return(0);
1.1 kristaps 465: } else if ( ! isprint((u_char)*p))
1.79 ! kristaps 466: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.4 kristaps 467: return(0);
1.1 kristaps 468:
469: if ('\\' != *p)
470: continue;
471:
1.18 kristaps 472: c = mandoc_special(p);
1.1 kristaps 473: if (c) {
1.18 kristaps 474: p += c - 1;
475: pos += c - 1;
1.1 kristaps 476: continue;
477: }
1.79 ! kristaps 478:
! 479: c = mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADESCAPE);
! 480: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags) && ! c)
! 481: return(c);
1.1 kristaps 482: }
483:
484: return(1);
485: }
486:
487:
488:
489:
490: static int
1.59 kristaps 491: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 492: {
493:
494: assert(n->parent);
495: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
496: (t == n->parent->type))
497: return(1);
498:
1.79 ! kristaps 499: mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
! 500: n->line, n->pos, "want parent %s",
! 501: MDOC_ROOT == t ? "<root>" :
! 502: mdoc_macronames[tok]);
! 503: return(0);
1.1 kristaps 504: }
505:
506:
507:
508: static int
509: pre_display(PRE_ARGS)
510: {
511: struct mdoc_node *node;
512:
513: /* Display elements (`Bd', `D1'...) cannot be nested. */
514:
515: if (MDOC_BLOCK != n->type)
516: return(1);
517:
518: /* LINTED */
519: for (node = mdoc->last->parent; node; node = node->parent)
520: if (MDOC_BLOCK == node->type)
521: if (MDOC_Bd == node->tok)
522: break;
523: if (NULL == node)
524: return(1);
525:
1.79 ! kristaps 526: mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
! 527: return(0);
1.1 kristaps 528: }
529:
530:
531: static int
532: pre_bl(PRE_ARGS)
533: {
1.15 kristaps 534: int pos, type, width, offset;
1.1 kristaps 535:
536: if (MDOC_BLOCK != n->type)
537: return(1);
1.79 ! kristaps 538: if (NULL == n->args) {
! 539: mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE);
! 540: return(0);
! 541: }
1.1 kristaps 542:
543: /* Make sure that only one type of list is specified. */
544:
1.15 kristaps 545: type = offset = width = -1;
1.1 kristaps 546:
547: /* LINTED */
1.8 kristaps 548: for (pos = 0; pos < (int)n->args->argc; pos++)
549: switch (n->args->argv[pos].arg) {
1.1 kristaps 550: case (MDOC_Bullet):
551: /* FALLTHROUGH */
552: case (MDOC_Dash):
553: /* FALLTHROUGH */
554: case (MDOC_Enum):
555: /* FALLTHROUGH */
556: case (MDOC_Hyphen):
557: /* FALLTHROUGH */
558: case (MDOC_Item):
559: /* FALLTHROUGH */
560: case (MDOC_Tag):
561: /* FALLTHROUGH */
562: case (MDOC_Diag):
563: /* FALLTHROUGH */
564: case (MDOC_Hang):
565: /* FALLTHROUGH */
566: case (MDOC_Ohang):
567: /* FALLTHROUGH */
568: case (MDOC_Inset):
569: /* FALLTHROUGH */
570: case (MDOC_Column):
1.61 kristaps 571: /*
572: * Note that if a duplicate is detected, we
573: * remove the duplicate instead of passing it
574: * over. If we don't do this, mdoc_action will
575: * become confused when it scans over multiple
576: * types whilst setting its bitmasks.
1.62 kristaps 577: *
578: * FIXME: this should occur in mdoc_action.c.
1.61 kristaps 579: */
580: if (type >= 0) {
1.79 ! kristaps 581: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
1.61 kristaps 582: return(0);
583: mdoc_argn_free(n->args, pos);
584: break;
585: }
1.8 kristaps 586: type = n->args->argv[pos].arg;
587: break;
1.45 kristaps 588: case (MDOC_Compact):
1.79 ! kristaps 589: if (type < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
1.45 kristaps 590: return(0);
591: break;
1.1 kristaps 592: case (MDOC_Width):
1.45 kristaps 593: if (width >= 0)
1.79 ! kristaps 594: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
! 595: return(0);
! 596: if (type < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
1.45 kristaps 597: return(0);
1.8 kristaps 598: width = n->args->argv[pos].arg;
599: break;
1.1 kristaps 600: case (MDOC_Offset):
1.45 kristaps 601: if (offset >= 0)
1.79 ! kristaps 602: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
! 603: return(0);
! 604: if (type < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
1.45 kristaps 605: return(0);
1.8 kristaps 606: offset = n->args->argv[pos].arg;
607: break;
1.1 kristaps 608: default:
609: break;
610: }
611:
1.79 ! kristaps 612: if (type < 0) {
! 613: mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE);
! 614: return(0);
! 615: }
1.1 kristaps 616:
1.8 kristaps 617: /*
618: * Validate the width field. Some list types don't need width
619: * types and should be warned about them. Others should have it
620: * and must also be warned.
621: */
622:
1.1 kristaps 623: switch (type) {
1.8 kristaps 624: case (MDOC_Tag):
1.79 ! kristaps 625: if (width < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
1.8 kristaps 626: return(0);
627: break;
1.1 kristaps 628: case (MDOC_Column):
629: /* FALLTHROUGH */
630: case (MDOC_Diag):
631: /* FALLTHROUGH */
1.53 kristaps 632: case (MDOC_Ohang):
633: /* FALLTHROUGH */
1.1 kristaps 634: case (MDOC_Inset):
635: /* FALLTHROUGH */
636: case (MDOC_Item):
1.79 ! kristaps 637: if (width >= 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
1.8 kristaps 638: return(0);
639: break;
640: default:
641: break;
642: }
643:
1.1 kristaps 644: return(1);
645: }
646:
647:
648: static int
649: pre_bd(PRE_ARGS)
650: {
651: int i, type, err;
652:
653: if (MDOC_BLOCK != n->type)
654: return(1);
1.79 ! kristaps 655: if (NULL == n->args) {
! 656: mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
! 657: return(0);
! 658: }
1.1 kristaps 659:
660: /* Make sure that only one type of display is specified. */
661:
662: /* LINTED */
663: for (i = 0, err = type = 0; ! err &&
664: i < (int)n->args->argc; i++)
665: switch (n->args->argv[i].arg) {
1.49 kristaps 666: case (MDOC_Centred):
667: /* FALLTHROUGH */
1.1 kristaps 668: case (MDOC_Ragged):
669: /* FALLTHROUGH */
670: case (MDOC_Unfilled):
671: /* FALLTHROUGH */
672: case (MDOC_Filled):
673: /* FALLTHROUGH */
674: case (MDOC_Literal):
675: if (0 == type++)
676: break;
1.79 ! kristaps 677: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
! 678: return(0);
! 679: break;
1.1 kristaps 680: default:
681: break;
682: }
683:
684: if (type)
685: return(1);
1.79 ! kristaps 686: mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
! 687: return(0);
1.1 kristaps 688: }
689:
690:
691: static int
692: pre_ss(PRE_ARGS)
693: {
694:
695: if (MDOC_BLOCK != n->type)
696: return(1);
697: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
698: }
699:
700:
701: static int
702: pre_sh(PRE_ARGS)
703: {
704:
705: if (MDOC_BLOCK != n->type)
706: return(1);
1.70 kristaps 707: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 708: }
709:
710:
711: static int
712: pre_it(PRE_ARGS)
713: {
714:
715: if (MDOC_BLOCK != n->type)
716: return(1);
1.79 ! kristaps 717: /*
! 718: * FIXME: this can probably be lifted if we make the It into
! 719: * something else on-the-fly?
! 720: */
1.1 kristaps 721: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
722: }
723:
724:
725: static int
726: pre_an(PRE_ARGS)
727: {
728:
729: if (NULL == n->args || 1 == n->args->argc)
730: return(1);
1.79 ! kristaps 731: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
! 732: n->line, n->pos,
! 733: "line arguments == 1 (have %d)",
! 734: n->args->argc);
! 735: return(0);
1.1 kristaps 736: }
737:
738:
739: static int
740: pre_rv(PRE_ARGS)
741: {
742:
743: return(check_stdarg(mdoc, n));
744: }
745:
746:
747: static int
748: pre_dt(PRE_ARGS)
749: {
750:
1.54 kristaps 751: /* FIXME: make sure is capitalised. */
752:
1.1 kristaps 753: if (0 == mdoc->meta.date || mdoc->meta.os)
1.79 ! kristaps 754: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 755: return(0);
756: if (mdoc->meta.title)
1.79 ! kristaps 757: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 758: return(0);
759: return(1);
760: }
761:
762:
763: static int
764: pre_os(PRE_ARGS)
765: {
766:
767: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.79 ! kristaps 768: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 769: return(0);
770: if (mdoc->meta.os)
1.79 ! kristaps 771: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 772: return(0);
773: return(1);
774: }
775:
776:
777: static int
778: pre_dd(PRE_ARGS)
779: {
780:
781: if (mdoc->meta.title || mdoc->meta.os)
1.79 ! kristaps 782: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 783: return(0);
784: if (mdoc->meta.date)
1.79 ! kristaps 785: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 786: return(0);
787: return(1);
788: }
789:
790:
791: static int
792: post_bf(POST_ARGS)
793: {
794: char *p;
795: struct mdoc_node *head;
796:
797: if (MDOC_BLOCK != mdoc->last->type)
798: return(1);
799:
800: head = mdoc->last->head;
801:
1.79 ! kristaps 802: if (mdoc->last->args && head->child) {
! 803: /* FIXME: this should provide a default. */
! 804: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
! 805: return(0);
! 806: } else if (mdoc->last->args)
1.13 kristaps 807: return(1);
1.12 kristaps 808:
1.79 ! kristaps 809: if (NULL == head->child || MDOC_TEXT != head->child->type) {
! 810: /* FIXME: this should provide a default. */
! 811: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
! 812: return(0);
! 813: }
1.1 kristaps 814:
1.13 kristaps 815: p = head->child->string;
1.1 kristaps 816:
1.13 kristaps 817: if (0 == strcmp(p, "Em"))
818: return(1);
819: else if (0 == strcmp(p, "Li"))
820: return(1);
1.37 kristaps 821: else if (0 == strcmp(p, "Sy"))
1.13 kristaps 822: return(1);
1.1 kristaps 823:
1.79 ! kristaps 824: mdoc_nmsg(mdoc, head, MANDOCERR_FONTTYPE);
! 825: return(0);
1.1 kristaps 826: }
827:
828:
829: static int
1.31 kristaps 830: post_lb(POST_ARGS)
831: {
832:
833: if (mdoc_a2lib(mdoc->last->child->string))
834: return(1);
1.79 ! kristaps 835: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));
1.31 kristaps 836: }
837:
838:
839: static int
1.57 kristaps 840: post_vt(POST_ARGS)
841: {
842: const struct mdoc_node *n;
843:
844: /*
845: * The Vt macro comes in both ELEM and BLOCK form, both of which
846: * have different syntaxes (yet more context-sensitive
847: * behaviour). ELEM types must have a child; BLOCK types,
848: * specifically the BODY, should only have TEXT children.
849: */
850:
851: if (MDOC_ELEM == mdoc->last->type)
852: return(eerr_ge1(mdoc));
853: if (MDOC_BODY != mdoc->last->type)
854: return(1);
855:
856: for (n = mdoc->last->child; n; n = n->next)
857: if (MDOC_TEXT != n->type)
1.79 ! kristaps 858: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1.57 kristaps 859: return(0);
860:
861: return(1);
862: }
863:
864:
865: static int
1.1 kristaps 866: post_nm(POST_ARGS)
867: {
868:
869: if (mdoc->last->child)
870: return(1);
871: if (mdoc->meta.name)
872: return(1);
1.79 ! kristaps 873: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));
1.1 kristaps 874: }
875:
876:
877: static int
878: post_at(POST_ARGS)
879: {
880:
881: if (NULL == mdoc->last->child)
882: return(1);
1.79 ! kristaps 883: assert(MDOC_TEXT == mdoc->last->child->type);
1.1 kristaps 884: if (mdoc_a2att(mdoc->last->child->string))
885: return(1);
1.79 ! kristaps 886: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));
1.1 kristaps 887: }
888:
889:
890: static int
891: post_an(POST_ARGS)
892: {
893:
894: if (mdoc->last->args) {
895: if (NULL == mdoc->last->child)
896: return(1);
1.79 ! kristaps 897: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
1.1 kristaps 898: }
899:
900: if (mdoc->last->child)
901: return(1);
1.79 ! kristaps 902: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
1.1 kristaps 903: }
904:
905:
906: static int
907: post_it(POST_ARGS)
908: {
909: int type, i, cols;
910: struct mdoc_node *n, *c;
911:
912: if (MDOC_BLOCK != mdoc->last->type)
913: return(1);
914:
915: n = mdoc->last->parent->parent;
1.79 ! kristaps 916: if (NULL == n->args) {
! 917: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
! 918: return(0);
! 919: }
1.1 kristaps 920:
921: /* Some types require block-head, some not. */
922:
923: /* LINTED */
924: for (cols = type = -1, i = 0; -1 == type &&
925: i < (int)n->args->argc; i++)
926: switch (n->args->argv[i].arg) {
927: case (MDOC_Tag):
928: /* FALLTHROUGH */
929: case (MDOC_Diag):
930: /* FALLTHROUGH */
931: case (MDOC_Hang):
932: /* FALLTHROUGH */
933: case (MDOC_Ohang):
934: /* FALLTHROUGH */
935: case (MDOC_Inset):
936: /* FALLTHROUGH */
937: case (MDOC_Bullet):
938: /* FALLTHROUGH */
939: case (MDOC_Dash):
940: /* FALLTHROUGH */
941: case (MDOC_Enum):
942: /* FALLTHROUGH */
943: case (MDOC_Hyphen):
944: /* FALLTHROUGH */
945: case (MDOC_Item):
946: type = n->args->argv[i].arg;
947: break;
948: case (MDOC_Column):
949: type = n->args->argv[i].arg;
950: cols = (int)n->args->argv[i].sz;
951: break;
952: default:
953: break;
954: }
955:
1.79 ! kristaps 956: if (-1 == type) {
! 957: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
! 958: return(0);
! 959: }
1.1 kristaps 960:
961: switch (type) {
962: case (MDOC_Tag):
963: if (NULL == mdoc->last->head->child)
1.79 ! kristaps 964: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 965: return(0);
966: break;
967: case (MDOC_Hang):
968: /* FALLTHROUGH */
969: case (MDOC_Ohang):
970: /* FALLTHROUGH */
971: case (MDOC_Inset):
972: /* FALLTHROUGH */
973: case (MDOC_Diag):
974: if (NULL == mdoc->last->head->child)
1.79 ! kristaps 975: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 976: return(0);
977: if (NULL == mdoc->last->body->child)
1.79 ! kristaps 978: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 979: return(0);
980: break;
981: case (MDOC_Bullet):
982: /* FALLTHROUGH */
983: case (MDOC_Dash):
984: /* FALLTHROUGH */
985: case (MDOC_Enum):
986: /* FALLTHROUGH */
987: case (MDOC_Hyphen):
988: /* FALLTHROUGH */
989: case (MDOC_Item):
990: if (mdoc->last->head->child)
1.79 ! kristaps 991: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1.1 kristaps 992: return(0);
993: if (NULL == mdoc->last->body->child)
1.79 ! kristaps 994: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 995: return(0);
996: break;
997: case (MDOC_Column):
998: if (NULL == mdoc->last->head->child)
1.79 ! kristaps 999: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 1000: return(0);
1001: if (mdoc->last->body->child)
1.79 ! kristaps 1002: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BODYLOST))
1.1 kristaps 1003: return(0);
1004: c = mdoc->last->child;
1005: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1006: i++;
1.38 kristaps 1007:
1.73 kristaps 1008: if (i < cols) {
1.79 ! kristaps 1009: if ( ! mdoc_vmsg(mdoc, MANDOCERR_ARGCOUNT,
! 1010: mdoc->last->line,
! 1011: mdoc->last->pos,
! 1012: "columns == %d (have %d)",
! 1013: cols, i))
1.38 kristaps 1014: return(0);
1.1 kristaps 1015: break;
1.73 kristaps 1016: } else if (i == cols || i == cols + 1)
1.38 kristaps 1017: break;
1018:
1.79 ! kristaps 1019: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
! 1020: mdoc->last->line, mdoc->last->pos,
! 1021: "columns == %d (have %d)", cols, i);
! 1022: return(0);
1.1 kristaps 1023: default:
1024: break;
1025: }
1026:
1027: return(1);
1028: }
1029:
1030:
1031: static int
1.14 kristaps 1032: post_bl_head(POST_ARGS)
1033: {
1034: int i;
1035: const struct mdoc_node *n;
1.65 kristaps 1036: const struct mdoc_argv *a;
1.14 kristaps 1037:
1038: n = mdoc->last->parent;
1039: assert(n->args);
1040:
1.65 kristaps 1041: for (i = 0; i < (int)n->args->argc; i++) {
1042: a = &n->args->argv[i];
1043: if (a->arg == MDOC_Column) {
1044: if (a->sz && mdoc->last->nchild)
1.79 ! kristaps 1045: return(mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS));
1.65 kristaps 1046: return(1);
1047: }
1048: }
1.14 kristaps 1049:
1.65 kristaps 1050: if (0 == (i = mdoc->last->nchild))
1051: return(1);
1052: return(warn_count(mdoc, "==", 0, "line arguments", i));
1.14 kristaps 1053: }
1054:
1055:
1056: static int
1.1 kristaps 1057: post_bl(POST_ARGS)
1058: {
1059: struct mdoc_node *n;
1060:
1.14 kristaps 1061: if (MDOC_HEAD == mdoc->last->type)
1062: return(post_bl_head(mdoc));
1.1 kristaps 1063: if (MDOC_BODY != mdoc->last->type)
1064: return(1);
1065: if (NULL == mdoc->last->child)
1066: return(1);
1067:
1.55 kristaps 1068: /*
1069: * We only allow certain children of `Bl'. This is usually on
1070: * `It', but apparently `Sm' occurs here and there, so we let
1071: * that one through, too.
1072: */
1073:
1.1 kristaps 1074: /* LINTED */
1075: for (n = mdoc->last->child; n; n = n->next) {
1.55 kristaps 1076: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1077: continue;
1078: if (MDOC_Sm == n->tok)
1079: continue;
1.79 ! kristaps 1080: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
! 1081: return(0);
1.1 kristaps 1082: }
1083:
1084: return(1);
1085: }
1086:
1087:
1088: static int
1089: ebool(struct mdoc *mdoc)
1090: {
1091: struct mdoc_node *n;
1092:
1093: /* LINTED */
1094: for (n = mdoc->last->child; n; n = n->next) {
1095: if (MDOC_TEXT != n->type)
1096: break;
1.2 kristaps 1097: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1098: continue;
1.2 kristaps 1099: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1100: continue;
1101: break;
1102: }
1103:
1104: if (NULL == n)
1105: return(1);
1.79 ! kristaps 1106: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1.1 kristaps 1107: }
1108:
1109:
1110: static int
1111: post_root(POST_ARGS)
1112: {
1113:
1114: if (NULL == mdoc->first->child)
1.79 ! kristaps 1115: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
! 1116: else if ( ! (MDOC_PBODY & mdoc->flags))
! 1117: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
! 1118: else if (MDOC_BLOCK != mdoc->first->child->type)
! 1119: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
! 1120: else if (MDOC_Sh != mdoc->first->child->tok)
! 1121: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
! 1122: else
! 1123: return(1);
1.1 kristaps 1124:
1.79 ! kristaps 1125: return(0);
1.1 kristaps 1126: }
1127:
1128:
1129: static int
1130: post_st(POST_ARGS)
1131: {
1132:
1133: if (mdoc_a2st(mdoc->last->child->string))
1134: return(1);
1.79 ! kristaps 1135: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
1.1 kristaps 1136: }
1137:
1138:
1139: static int
1.43 kristaps 1140: post_rs(POST_ARGS)
1141: {
1142: struct mdoc_node *nn;
1143:
1144: if (MDOC_BODY != mdoc->last->type)
1145: return(1);
1146:
1147: for (nn = mdoc->last->child; nn; nn = nn->next)
1148: switch (nn->tok) {
1.50 kristaps 1149: case(MDOC__U):
1150: /* FALLTHROUGH */
1.43 kristaps 1151: case(MDOC__Q):
1152: /* FALLTHROUGH */
1153: case(MDOC__C):
1154: /* FALLTHROUGH */
1155: case(MDOC__A):
1156: /* FALLTHROUGH */
1157: case(MDOC__B):
1158: /* FALLTHROUGH */
1159: case(MDOC__D):
1160: /* FALLTHROUGH */
1161: case(MDOC__I):
1162: /* FALLTHROUGH */
1163: case(MDOC__J):
1164: /* FALLTHROUGH */
1165: case(MDOC__N):
1166: /* FALLTHROUGH */
1167: case(MDOC__O):
1168: /* FALLTHROUGH */
1169: case(MDOC__P):
1170: /* FALLTHROUGH */
1171: case(MDOC__R):
1172: /* FALLTHROUGH */
1173: case(MDOC__T):
1174: /* FALLTHROUGH */
1175: case(MDOC__V):
1176: break;
1177: default:
1.79 ! kristaps 1178: mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
! 1179: return(0);
1.43 kristaps 1180: }
1181:
1182: return(1);
1183: }
1184:
1185:
1186: static int
1.1 kristaps 1187: post_sh(POST_ARGS)
1188: {
1189:
1190: if (MDOC_HEAD == mdoc->last->type)
1191: return(post_sh_head(mdoc));
1192: if (MDOC_BODY == mdoc->last->type)
1193: return(post_sh_body(mdoc));
1194:
1195: return(1);
1196: }
1197:
1198:
1199: static int
1200: post_sh_body(POST_ARGS)
1201: {
1202: struct mdoc_node *n;
1203:
1.29 kristaps 1204: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1205: return(1);
1206:
1207: /*
1208: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1209: * macros (can have multiple `Nm' and one `Nd'). Note that the
1210: * children of the BODY declaration can also be "text".
1211: */
1212:
1213: if (NULL == (n = mdoc->last->child))
1.79 ! kristaps 1214: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1215:
1216: for ( ; n && n->next; n = n->next) {
1217: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1218: continue;
1.28 kristaps 1219: if (MDOC_TEXT == n->type)
1220: continue;
1.79 ! kristaps 1221: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1.1 kristaps 1222: return(0);
1223: }
1224:
1.41 kristaps 1225: assert(n);
1.27 kristaps 1226: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1227: return(1);
1.79 ! kristaps 1228: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1229: }
1230:
1231:
1232: static int
1233: post_sh_head(POST_ARGS)
1234: {
1.2 kristaps 1235: char buf[64];
1236: enum mdoc_sec sec;
1237: const struct mdoc_node *n;
1.1 kristaps 1238:
1239: /*
1240: * Process a new section. Sections are either "named" or
1241: * "custom"; custom sections are user-defined, while named ones
1242: * usually follow a conventional order and may only appear in
1243: * certain manual sections.
1244: */
1245:
1.79 ! kristaps 1246: buf[0] = '\0';
! 1247:
! 1248: /*
! 1249: * FIXME: yes, these can use a dynamic buffer, but I don't do so
! 1250: * in the interests of simplicity.
! 1251: */
1.1 kristaps 1252:
1.2 kristaps 1253: for (n = mdoc->last->child; n; n = n->next) {
1.12 kristaps 1254: /* XXX - copied from compact(). */
1.2 kristaps 1255: assert(MDOC_TEXT == n->type);
1.12 kristaps 1256:
1.79 ! kristaps 1257: if (strlcat(buf, n->string, 64) >= 64) {
! 1258: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
! 1259: return(0);
! 1260: }
1.2 kristaps 1261: if (NULL == n->next)
1262: continue;
1.79 ! kristaps 1263: if (strlcat(buf, " ", 64) >= 64) {
! 1264: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
! 1265: return(0);
! 1266: }
1.2 kristaps 1267: }
1.1 kristaps 1268:
1.72 kristaps 1269: sec = mdoc_str2sec(buf);
1.1 kristaps 1270:
1.12 kristaps 1271: /*
1272: * Check: NAME should always be first, CUSTOM has no roles,
1273: * non-CUSTOM has a conventional order to be followed.
1274: */
1.1 kristaps 1275:
1.72 kristaps 1276: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.79 ! kristaps 1277: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
1.72 kristaps 1278: return(0);
1279:
1.1 kristaps 1280: if (SEC_CUSTOM == sec)
1281: return(1);
1.72 kristaps 1282:
1.1 kristaps 1283: if (sec == mdoc->lastnamed)
1.79 ! kristaps 1284: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))
1.26 kristaps 1285: return(0);
1.72 kristaps 1286:
1.1 kristaps 1287: if (sec < mdoc->lastnamed)
1.79 ! kristaps 1288: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))
1.26 kristaps 1289: return(0);
1.1 kristaps 1290:
1.12 kristaps 1291: /*
1292: * Check particular section/manual conventions. LIBRARY can
1.78 kristaps 1293: * only occur in manual section 2, 3, and 9.
1.12 kristaps 1294: */
1.1 kristaps 1295:
1296: switch (sec) {
1297: case (SEC_LIBRARY):
1.78 kristaps 1298: assert(mdoc->meta.msec);
1299: if (*mdoc->meta.msec == '2')
1300: break;
1301: if (*mdoc->meta.msec == '3')
1302: break;
1303: if (*mdoc->meta.msec == '9')
1.1 kristaps 1304: break;
1.79 ! kristaps 1305: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));
1.1 kristaps 1306: default:
1307: break;
1308: }
1309:
1310: return(1);
1311: }
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