Annotation of src/usr.bin/mandoc/mdoc_validate.c, Revision 1.56
1.56 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.55 2010/05/23 22:45:01 schwarze Exp $ */
1.1 kristaps 2: /*
1.56 ! schwarze 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
1.2 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:
1.55 schwarze 25: #include "mandoc.h"
1.1 kristaps 26: #include "libmdoc.h"
1.15 schwarze 27: #include "libmandoc.h"
1.1 kristaps 28:
29: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
30: /* TODO: ignoring Pp (it's superfluous in some invocations). */
31:
1.28 schwarze 32: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
33: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 34:
35: typedef int (*v_pre)(PRE_ARGS);
36: typedef int (*v_post)(POST_ARGS);
37:
38: struct valids {
39: v_pre *pre;
40: v_post *post;
41: };
42:
1.44 schwarze 43: static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
1.28 schwarze 44: static int check_stdarg(PRE_ARGS);
45: static int check_text(struct mdoc *, int, int, const char *);
46: static int check_argv(struct mdoc *,
1.1 kristaps 47: const struct mdoc_node *,
48: const struct mdoc_argv *);
1.28 schwarze 49: static int check_args(struct mdoc *,
1.1 kristaps 50: const struct mdoc_node *);
1.28 schwarze 51: static int err_child_lt(struct mdoc *, const char *, int);
52: static int warn_child_lt(struct mdoc *, const char *, int);
53: static int err_child_gt(struct mdoc *, const char *, int);
54: static int warn_child_gt(struct mdoc *, const char *, int);
55: static int err_child_eq(struct mdoc *, const char *, int);
56: static int warn_child_eq(struct mdoc *, const char *, int);
57: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 58: int, const char *, int);
1.28 schwarze 59: static int err_count(struct mdoc *, const char *,
1.1 kristaps 60: int, const char *, int);
1.28 schwarze 61:
62: static int berr_ge1(POST_ARGS);
63: static int bwarn_ge1(POST_ARGS);
64: static int ebool(POST_ARGS);
65: static int eerr_eq0(POST_ARGS);
66: static int eerr_eq1(POST_ARGS);
67: static int eerr_ge1(POST_ARGS);
1.37 schwarze 68: static int eerr_le1(POST_ARGS);
1.28 schwarze 69: static int ewarn_ge1(POST_ARGS);
70: static int herr_eq0(POST_ARGS);
71: static int herr_ge1(POST_ARGS);
72: static int hwarn_eq1(POST_ARGS);
1.48 schwarze 73: static int hwarn_eq0(POST_ARGS);
1.28 schwarze 74: static int hwarn_le1(POST_ARGS);
75:
76: static int post_an(POST_ARGS);
77: static int post_at(POST_ARGS);
78: static int post_bf(POST_ARGS);
79: static int post_bl(POST_ARGS);
80: static int post_bl_head(POST_ARGS);
81: static int post_it(POST_ARGS);
82: static int post_lb(POST_ARGS);
83: static int post_nm(POST_ARGS);
84: static int post_root(POST_ARGS);
1.36 schwarze 85: static int post_rs(POST_ARGS);
1.28 schwarze 86: static int post_sh(POST_ARGS);
87: static int post_sh_body(POST_ARGS);
88: static int post_sh_head(POST_ARGS);
89: static int post_st(POST_ARGS);
1.42 schwarze 90: static int post_vt(POST_ARGS);
1.28 schwarze 91: static int pre_an(PRE_ARGS);
92: static int pre_bd(PRE_ARGS);
93: static int pre_bl(PRE_ARGS);
94: static int pre_dd(PRE_ARGS);
95: static int pre_display(PRE_ARGS);
96: static int pre_dt(PRE_ARGS);
97: static int pre_it(PRE_ARGS);
98: static int pre_os(PRE_ARGS);
99: static int pre_rv(PRE_ARGS);
100: static int pre_sh(PRE_ARGS);
101: static int pre_ss(PRE_ARGS);
102:
103: static v_post posts_an[] = { post_an, NULL };
104: static v_post posts_at[] = { post_at, NULL };
1.48 schwarze 105: static v_post posts_bd[] = { hwarn_eq0, bwarn_ge1, NULL };
1.28 schwarze 106: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
107: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
108: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
109: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
110: static v_post posts_it[] = { post_it, NULL };
111: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
112: static v_post posts_nd[] = { berr_ge1, NULL };
113: static v_post posts_nm[] = { post_nm, NULL };
114: static v_post posts_notext[] = { eerr_eq0, NULL };
1.36 schwarze 115: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.28 schwarze 116: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.37 schwarze 117: static v_post posts_sp[] = { eerr_le1, NULL };
1.28 schwarze 118: static v_post posts_ss[] = { herr_ge1, NULL };
119: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
120: static v_post posts_text[] = { eerr_ge1, NULL };
1.38 schwarze 121: static v_post posts_text1[] = { eerr_eq1, NULL };
1.42 schwarze 122: static v_post posts_vt[] = { post_vt, NULL };
1.28 schwarze 123: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
124: static v_post posts_wtext[] = { ewarn_ge1, NULL };
1.47 schwarze 125: static v_post posts_xr[] = { ewarn_ge1, NULL };
1.28 schwarze 126: static v_pre pres_an[] = { pre_an, NULL };
127: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
128: static v_pre pres_bl[] = { pre_bl, NULL };
129: static v_pre pres_d1[] = { pre_display, NULL };
130: static v_pre pres_dd[] = { pre_dd, NULL };
131: static v_pre pres_dt[] = { pre_dt, NULL };
1.48 schwarze 132: static v_pre pres_er[] = { NULL, NULL };
1.53 schwarze 133: static v_pre pres_ex[] = { NULL, NULL };
134: static v_pre pres_fd[] = { NULL, NULL };
1.28 schwarze 135: static v_pre pres_it[] = { pre_it, NULL };
1.53 schwarze 136: static v_pre pres_lb[] = { NULL, NULL };
1.28 schwarze 137: static v_pre pres_os[] = { pre_os, NULL };
138: static v_pre pres_rv[] = { pre_rv, NULL };
139: static v_pre pres_sh[] = { pre_sh, NULL };
140: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 141:
142: const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 143: { NULL, NULL }, /* Ap */
1.1 kristaps 144: { pres_dd, posts_text }, /* Dd */
145: { pres_dt, NULL }, /* Dt */
146: { pres_os, NULL }, /* Os */
147: { pres_sh, posts_sh }, /* Sh */
148: { pres_ss, posts_ss }, /* Ss */
1.31 schwarze 149: { NULL, posts_notext }, /* Pp */
1.1 kristaps 150: { pres_d1, posts_wline }, /* D1 */
151: { pres_d1, posts_wline }, /* Dl */
152: { pres_bd, posts_bd }, /* Bd */
153: { NULL, NULL }, /* Ed */
154: { pres_bl, posts_bl }, /* Bl */
155: { NULL, NULL }, /* El */
156: { pres_it, posts_it }, /* It */
157: { NULL, posts_text }, /* Ad */
158: { pres_an, posts_an }, /* An */
159: { NULL, NULL }, /* Ar */
1.50 schwarze 160: { NULL, posts_text }, /* Cd */
1.1 kristaps 161: { NULL, NULL }, /* Cm */
162: { NULL, NULL }, /* Dv */
163: { pres_er, posts_text }, /* Er */
164: { NULL, NULL }, /* Ev */
1.35 schwarze 165: { pres_ex, NULL }, /* Ex */
1.1 kristaps 166: { NULL, NULL }, /* Fa */
167: { pres_fd, posts_wtext }, /* Fd */
168: { NULL, NULL }, /* Fl */
169: { NULL, posts_text }, /* Fn */
170: { NULL, posts_wtext }, /* Ft */
171: { NULL, posts_text }, /* Ic */
1.38 schwarze 172: { NULL, posts_text1 }, /* In */
1.1 kristaps 173: { NULL, NULL }, /* Li */
1.25 schwarze 174: { NULL, posts_nd }, /* Nd */
1.1 kristaps 175: { NULL, posts_nm }, /* Nm */
176: { NULL, posts_wline }, /* Op */
177: { NULL, NULL }, /* Ot */
178: { NULL, NULL }, /* Pa */
1.35 schwarze 179: { pres_rv, NULL }, /* Rv */
1.1 kristaps 180: { NULL, posts_st }, /* St */
181: { NULL, NULL }, /* Va */
1.42 schwarze 182: { NULL, posts_vt }, /* Vt */
1.1 kristaps 183: { NULL, posts_xr }, /* Xr */
184: { NULL, posts_text }, /* %A */
1.37 schwarze 185: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.40 schwarze 186: { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */
1.1 kristaps 187: { NULL, posts_text }, /* %I */
188: { NULL, posts_text }, /* %J */
189: { NULL, posts_text }, /* %N */
190: { NULL, posts_text }, /* %O */
191: { NULL, posts_text }, /* %P */
192: { NULL, posts_text }, /* %R */
1.37 schwarze 193: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 194: { NULL, posts_text }, /* %V */
195: { NULL, NULL }, /* Ac */
196: { NULL, NULL }, /* Ao */
197: { NULL, posts_wline }, /* Aq */
198: { NULL, posts_at }, /* At */
199: { NULL, NULL }, /* Bc */
200: { NULL, posts_bf }, /* Bf */
201: { NULL, NULL }, /* Bo */
202: { NULL, posts_wline }, /* Bq */
203: { NULL, NULL }, /* Bsx */
204: { NULL, NULL }, /* Bx */
205: { NULL, posts_bool }, /* Db */
206: { NULL, NULL }, /* Dc */
207: { NULL, NULL }, /* Do */
208: { NULL, posts_wline }, /* Dq */
209: { NULL, NULL }, /* Ec */
210: { NULL, NULL }, /* Ef */
211: { NULL, NULL }, /* Em */
212: { NULL, NULL }, /* Eo */
213: { NULL, NULL }, /* Fx */
214: { NULL, posts_text }, /* Ms */
215: { NULL, posts_notext }, /* No */
216: { NULL, posts_notext }, /* Ns */
217: { NULL, NULL }, /* Nx */
218: { NULL, NULL }, /* Ox */
219: { NULL, NULL }, /* Pc */
1.38 schwarze 220: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 221: { NULL, NULL }, /* Po */
222: { NULL, posts_wline }, /* Pq */
223: { NULL, NULL }, /* Qc */
224: { NULL, posts_wline }, /* Ql */
225: { NULL, NULL }, /* Qo */
226: { NULL, posts_wline }, /* Qq */
227: { NULL, NULL }, /* Re */
1.36 schwarze 228: { NULL, posts_rs }, /* Rs */
1.1 kristaps 229: { NULL, NULL }, /* Sc */
230: { NULL, NULL }, /* So */
231: { NULL, posts_wline }, /* Sq */
232: { NULL, posts_bool }, /* Sm */
233: { NULL, posts_text }, /* Sx */
234: { NULL, posts_text }, /* Sy */
235: { NULL, posts_text }, /* Tn */
236: { NULL, NULL }, /* Ux */
237: { NULL, NULL }, /* Xc */
238: { NULL, NULL }, /* Xo */
239: { NULL, posts_fo }, /* Fo */
240: { NULL, NULL }, /* Fc */
241: { NULL, NULL }, /* Oo */
242: { NULL, NULL }, /* Oc */
243: { NULL, posts_wline }, /* Bk */
244: { NULL, NULL }, /* Ek */
245: { NULL, posts_notext }, /* Bt */
246: { NULL, NULL }, /* Hf */
247: { NULL, NULL }, /* Fr */
248: { NULL, posts_notext }, /* Ud */
249: { pres_lb, posts_lb }, /* Lb */
1.31 schwarze 250: { NULL, posts_notext }, /* Lp */
1.38 schwarze 251: { NULL, posts_text }, /* Lk */
1.1 kristaps 252: { NULL, posts_text }, /* Mt */
253: { NULL, posts_wline }, /* Brq */
254: { NULL, NULL }, /* Bro */
255: { NULL, NULL }, /* Brc */
256: { NULL, posts_text }, /* %C */
257: { NULL, NULL }, /* Es */
258: { NULL, NULL }, /* En */
259: { NULL, NULL }, /* Dx */
260: { NULL, posts_text }, /* %Q */
1.31 schwarze 261: { NULL, posts_notext }, /* br */
262: { NULL, posts_sp }, /* sp */
1.38 schwarze 263: { NULL, posts_text1 }, /* %U */
1.1 kristaps 264: };
265:
266:
267: int
1.28 schwarze 268: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 269: {
270: v_pre *p;
271: int line, pos;
272: const char *tp;
273:
274: if (MDOC_TEXT == n->type) {
275: tp = n->string;
276: line = n->line;
277: pos = n->pos;
278: return(check_text(mdoc, line, pos, tp));
279: }
280:
281: if ( ! check_args(mdoc, n))
282: return(0);
283: if (NULL == mdoc_valids[n->tok].pre)
284: return(1);
285: for (p = mdoc_valids[n->tok].pre; *p; p++)
286: if ( ! (*p)(mdoc, n))
287: return(0);
288: return(1);
289: }
290:
291:
292: int
293: mdoc_valid_post(struct mdoc *mdoc)
294: {
295: v_post *p;
296:
297: if (MDOC_VALID & mdoc->last->flags)
298: return(1);
299: mdoc->last->flags |= MDOC_VALID;
300:
301: if (MDOC_TEXT == mdoc->last->type)
302: return(1);
303: if (MDOC_ROOT == mdoc->last->type)
304: return(post_root(mdoc));
305:
306: if (NULL == mdoc_valids[mdoc->last->tok].post)
307: return(1);
308: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
309: if ( ! (*p)(mdoc))
310: return(0);
311:
312: return(1);
313: }
314:
315:
316: static inline int
317: warn_count(struct mdoc *m, const char *k,
318: int want, const char *v, int has)
319: {
320:
1.55 schwarze 321: return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
322: m->last->line, m->last->pos,
323: "%s %s %d (have %d)", v, k, want, has));
1.1 kristaps 324: }
325:
326:
327: static inline int
328: err_count(struct mdoc *m, const char *k,
329: int want, const char *v, int has)
330: {
331:
1.55 schwarze 332: mdoc_vmsg(m, MANDOCERR_SYNTARGCOUNT,
333: m->last->line, m->last->pos,
334: "%s %s %d (have %d)",
335: v, k, want, has);
336: return(0);
1.1 kristaps 337: }
338:
339:
340: /*
341: * Build these up with macros because they're basically the same check
342: * for different inequalities. Yes, this could be done with functions,
343: * but this is reasonable for now.
344: */
345:
346: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
347: static int \
348: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
349: { \
1.12 schwarze 350: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 351: return(1); \
1.12 schwarze 352: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 353: }
354:
355: #define CHECK_BODY_DEFN(name, lvl, func, num) \
356: static int \
357: b##lvl##_##name(POST_ARGS) \
358: { \
359: if (MDOC_BODY != mdoc->last->type) \
360: return(1); \
361: return(func(mdoc, "multi-line arguments", (num))); \
362: }
363:
364: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
365: static int \
366: e##lvl##_##name(POST_ARGS) \
367: { \
368: assert(MDOC_ELEM == mdoc->last->type); \
369: return(func(mdoc, "line arguments", (num))); \
370: }
371:
372: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
373: static int \
374: h##lvl##_##name(POST_ARGS) \
375: { \
376: if (MDOC_HEAD != mdoc->last->type) \
377: return(1); \
378: return(func(mdoc, "line arguments", (num))); \
379: }
380:
381:
382: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
383: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
384: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
385: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
386: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
387: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
388: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.25 schwarze 389: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 390: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
391: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
1.37 schwarze 392: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
1.1 kristaps 393: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
394: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
395: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
396: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
397: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
398: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.48 schwarze 399: CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0) /* hwarn_eq0() */
1.1 kristaps 400:
401:
402: static int
403: check_stdarg(PRE_ARGS)
404: {
405:
406: if (n->args && 1 == n->args->argc)
407: if (MDOC_Std == n->args->argv[0].arg)
408: return(1);
1.55 schwarze 409: return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));
1.1 kristaps 410: }
411:
412:
413: static int
414: check_args(struct mdoc *m, const struct mdoc_node *n)
415: {
416: int i;
417:
418: if (NULL == n->args)
419: return(1);
420:
421: assert(n->args->argc);
422: for (i = 0; i < (int)n->args->argc; i++)
423: if ( ! check_argv(m, n, &n->args->argv[i]))
424: return(0);
425:
426: return(1);
427: }
428:
429:
430: static int
431: check_argv(struct mdoc *m, const struct mdoc_node *n,
432: const struct mdoc_argv *v)
433: {
434: int i;
435:
436: for (i = 0; i < (int)v->sz; i++)
437: if ( ! check_text(m, v->line, v->pos, v->value[i]))
438: return(0);
439:
440: if (MDOC_Std == v->arg) {
441: if (v->sz || m->meta.name)
442: return(1);
1.55 schwarze 443: if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
444: return(0);
1.1 kristaps 445: }
446:
447: return(1);
448: }
449:
450:
451: static int
452: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
453: {
1.15 schwarze 454: int c;
1.1 kristaps 455:
1.15 schwarze 456: for ( ; *p; p++, pos++) {
1.1 kristaps 457: if ('\t' == *p) {
458: if ( ! (MDOC_LITERAL & mdoc->flags))
1.55 schwarze 459: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.1 kristaps 460: return(0);
461: } else if ( ! isprint((u_char)*p))
1.55 schwarze 462: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.1 kristaps 463: return(0);
464:
465: if ('\\' != *p)
466: continue;
467:
1.15 schwarze 468: c = mandoc_special(p);
1.1 kristaps 469: if (c) {
1.15 schwarze 470: p += c - 1;
471: pos += c - 1;
1.1 kristaps 472: continue;
473: }
1.55 schwarze 474:
475: c = mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADESCAPE);
476: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags) && ! c)
477: return(c);
1.1 kristaps 478: }
479:
480: return(1);
481: }
482:
483:
484:
485:
486: static int
1.44 schwarze 487: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 488: {
489:
490: assert(n->parent);
491: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
492: (t == n->parent->type))
493: return(1);
494:
1.55 schwarze 495: mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
496: n->line, n->pos, "want parent %s",
497: MDOC_ROOT == t ? "<root>" :
498: mdoc_macronames[tok]);
499: return(0);
1.1 kristaps 500: }
501:
502:
503:
504: static int
505: pre_display(PRE_ARGS)
506: {
507: struct mdoc_node *node;
508:
509: /* Display elements (`Bd', `D1'...) cannot be nested. */
510:
511: if (MDOC_BLOCK != n->type)
512: return(1);
513:
514: /* LINTED */
515: for (node = mdoc->last->parent; node; node = node->parent)
516: if (MDOC_BLOCK == node->type)
517: if (MDOC_Bd == node->tok)
518: break;
519: if (NULL == node)
520: return(1);
521:
1.55 schwarze 522: mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
523: return(0);
1.1 kristaps 524: }
525:
526:
527: static int
528: pre_bl(PRE_ARGS)
529: {
1.11 schwarze 530: int pos, type, width, offset;
1.1 kristaps 531:
532: if (MDOC_BLOCK != n->type)
533: return(1);
1.55 schwarze 534: if (NULL == n->args) {
535: mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE);
536: return(0);
537: }
1.1 kristaps 538:
539: /* Make sure that only one type of list is specified. */
540:
1.11 schwarze 541: type = offset = width = -1;
1.1 kristaps 542:
543: /* LINTED */
1.5 schwarze 544: for (pos = 0; pos < (int)n->args->argc; pos++)
545: switch (n->args->argv[pos].arg) {
1.1 kristaps 546: case (MDOC_Bullet):
547: /* FALLTHROUGH */
548: case (MDOC_Dash):
549: /* FALLTHROUGH */
550: case (MDOC_Enum):
551: /* FALLTHROUGH */
552: case (MDOC_Hyphen):
553: /* FALLTHROUGH */
554: case (MDOC_Item):
555: /* FALLTHROUGH */
556: case (MDOC_Tag):
557: /* FALLTHROUGH */
558: case (MDOC_Diag):
559: /* FALLTHROUGH */
560: case (MDOC_Hang):
561: /* FALLTHROUGH */
562: case (MDOC_Ohang):
563: /* FALLTHROUGH */
564: case (MDOC_Inset):
565: /* FALLTHROUGH */
566: case (MDOC_Column):
1.56 ! schwarze 567: if (type < 0) {
! 568: type = n->args->argv[pos].arg;
1.46 schwarze 569: break;
570: }
1.56 ! schwarze 571: if (mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
! 572: break;
! 573: return(0);
1.37 schwarze 574: case (MDOC_Compact):
1.56 ! schwarze 575: if (type >= 0)
! 576: break;
! 577: if (mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
! 578: break;
! 579: return(0);
1.1 kristaps 580: case (MDOC_Width):
1.37 schwarze 581: if (width >= 0)
1.55 schwarze 582: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
583: return(0);
584: if (type < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
1.37 schwarze 585: return(0);
1.5 schwarze 586: width = n->args->argv[pos].arg;
587: break;
1.1 kristaps 588: case (MDOC_Offset):
1.37 schwarze 589: if (offset >= 0)
1.55 schwarze 590: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
591: return(0);
592: if (type < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
1.37 schwarze 593: return(0);
1.5 schwarze 594: offset = n->args->argv[pos].arg;
595: break;
1.1 kristaps 596: default:
597: break;
598: }
599:
1.55 schwarze 600: if (type < 0) {
601: mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE);
602: return(0);
603: }
1.1 kristaps 604:
1.5 schwarze 605: /*
606: * Validate the width field. Some list types don't need width
607: * types and should be warned about them. Others should have it
608: * and must also be warned.
609: */
610:
1.1 kristaps 611: switch (type) {
1.5 schwarze 612: case (MDOC_Tag):
1.55 schwarze 613: if (width < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
1.5 schwarze 614: return(0);
615: break;
1.1 kristaps 616: case (MDOC_Column):
617: /* FALLTHROUGH */
618: case (MDOC_Diag):
619: /* FALLTHROUGH */
1.40 schwarze 620: case (MDOC_Ohang):
621: /* FALLTHROUGH */
1.1 kristaps 622: case (MDOC_Inset):
623: /* FALLTHROUGH */
624: case (MDOC_Item):
1.55 schwarze 625: if (width >= 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
1.5 schwarze 626: return(0);
627: break;
628: default:
629: break;
630: }
631:
1.1 kristaps 632: return(1);
633: }
634:
635:
636: static int
637: pre_bd(PRE_ARGS)
638: {
639: int i, type, err;
640:
641: if (MDOC_BLOCK != n->type)
642: return(1);
1.55 schwarze 643: if (NULL == n->args) {
644: mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
645: return(0);
646: }
1.1 kristaps 647:
648: /* Make sure that only one type of display is specified. */
649:
650: /* LINTED */
651: for (i = 0, err = type = 0; ! err &&
652: i < (int)n->args->argc; i++)
653: switch (n->args->argv[i].arg) {
1.38 schwarze 654: case (MDOC_Centred):
655: /* FALLTHROUGH */
1.1 kristaps 656: case (MDOC_Ragged):
657: /* FALLTHROUGH */
658: case (MDOC_Unfilled):
659: /* FALLTHROUGH */
660: case (MDOC_Filled):
661: /* FALLTHROUGH */
662: case (MDOC_Literal):
663: if (0 == type++)
664: break;
1.55 schwarze 665: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
666: return(0);
667: break;
1.1 kristaps 668: default:
669: break;
670: }
671:
672: if (type)
673: return(1);
1.55 schwarze 674: mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
675: return(0);
1.1 kristaps 676: }
677:
678:
679: static int
680: pre_ss(PRE_ARGS)
681: {
682:
683: if (MDOC_BLOCK != n->type)
684: return(1);
685: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
686: }
687:
688:
689: static int
690: pre_sh(PRE_ARGS)
691: {
692:
693: if (MDOC_BLOCK != n->type)
694: return(1);
1.50 schwarze 695: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 696: }
697:
698:
699: static int
700: pre_it(PRE_ARGS)
701: {
702:
703: if (MDOC_BLOCK != n->type)
704: return(1);
1.55 schwarze 705: /*
706: * FIXME: this can probably be lifted if we make the It into
707: * something else on-the-fly?
708: */
1.1 kristaps 709: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
710: }
711:
712:
713: static int
714: pre_an(PRE_ARGS)
715: {
716:
717: if (NULL == n->args || 1 == n->args->argc)
718: return(1);
1.55 schwarze 719: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
720: n->line, n->pos,
721: "line arguments == 1 (have %d)",
722: n->args->argc);
723: return(0);
1.1 kristaps 724: }
725:
726:
727: static int
728: pre_rv(PRE_ARGS)
729: {
730:
731: return(check_stdarg(mdoc, n));
732: }
733:
734:
735: static int
736: pre_dt(PRE_ARGS)
737: {
1.40 schwarze 738:
739: /* FIXME: make sure is capitalised. */
1.1 kristaps 740:
741: if (0 == mdoc->meta.date || mdoc->meta.os)
1.55 schwarze 742: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 743: return(0);
744: if (mdoc->meta.title)
1.55 schwarze 745: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 746: return(0);
747: return(1);
748: }
749:
750:
751: static int
752: pre_os(PRE_ARGS)
753: {
754:
755: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.55 schwarze 756: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 757: return(0);
758: if (mdoc->meta.os)
1.55 schwarze 759: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 760: return(0);
761: return(1);
762: }
763:
764:
765: static int
766: pre_dd(PRE_ARGS)
767: {
768:
769: if (mdoc->meta.title || mdoc->meta.os)
1.55 schwarze 770: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 771: return(0);
772: if (mdoc->meta.date)
1.55 schwarze 773: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 774: return(0);
775: return(1);
776: }
777:
778:
779: static int
780: post_bf(POST_ARGS)
781: {
782: char *p;
783: struct mdoc_node *head;
784:
785: if (MDOC_BLOCK != mdoc->last->type)
786: return(1);
787:
788: head = mdoc->last->head;
789:
1.55 schwarze 790: if (mdoc->last->args && head->child) {
791: /* FIXME: this should provide a default. */
792: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
793: return(0);
794: } else if (mdoc->last->args)
1.10 schwarze 795: return(1);
796:
1.55 schwarze 797: if (NULL == head->child || MDOC_TEXT != head->child->type) {
798: /* FIXME: this should provide a default. */
799: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
800: return(0);
801: }
1.1 kristaps 802:
1.10 schwarze 803: p = head->child->string;
1.1 kristaps 804:
1.10 schwarze 805: if (0 == strcmp(p, "Em"))
806: return(1);
807: else if (0 == strcmp(p, "Li"))
808: return(1);
1.30 schwarze 809: else if (0 == strcmp(p, "Sy"))
1.10 schwarze 810: return(1);
1.1 kristaps 811:
1.55 schwarze 812: mdoc_nmsg(mdoc, head, MANDOCERR_FONTTYPE);
813: return(0);
1.27 schwarze 814: }
815:
816:
817: static int
818: post_lb(POST_ARGS)
819: {
820:
821: if (mdoc_a2lib(mdoc->last->child->string))
822: return(1);
1.55 schwarze 823: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));
1.42 schwarze 824: }
825:
826:
827: static int
828: post_vt(POST_ARGS)
829: {
830: const struct mdoc_node *n;
831:
832: /*
833: * The Vt macro comes in both ELEM and BLOCK form, both of which
834: * have different syntaxes (yet more context-sensitive
835: * behaviour). ELEM types must have a child; BLOCK types,
836: * specifically the BODY, should only have TEXT children.
837: */
838:
839: if (MDOC_ELEM == mdoc->last->type)
840: return(eerr_ge1(mdoc));
841: if (MDOC_BODY != mdoc->last->type)
842: return(1);
843:
844: for (n = mdoc->last->child; n; n = n->next)
1.52 schwarze 845: if (MDOC_TEXT != n->type)
1.55 schwarze 846: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1.42 schwarze 847: return(0);
848:
849: return(1);
1.1 kristaps 850: }
851:
852:
853: static int
854: post_nm(POST_ARGS)
855: {
856:
857: if (mdoc->last->child)
858: return(1);
859: if (mdoc->meta.name)
860: return(1);
1.55 schwarze 861: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));
1.1 kristaps 862: }
863:
864:
865: static int
866: post_at(POST_ARGS)
867: {
868:
869: if (NULL == mdoc->last->child)
870: return(1);
1.55 schwarze 871: assert(MDOC_TEXT == mdoc->last->child->type);
1.1 kristaps 872: if (mdoc_a2att(mdoc->last->child->string))
873: return(1);
1.55 schwarze 874: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));
1.1 kristaps 875: }
876:
877:
878: static int
879: post_an(POST_ARGS)
880: {
881:
882: if (mdoc->last->args) {
883: if (NULL == mdoc->last->child)
884: return(1);
1.55 schwarze 885: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
1.1 kristaps 886: }
887:
888: if (mdoc->last->child)
889: return(1);
1.55 schwarze 890: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
1.1 kristaps 891: }
892:
893:
894: static int
895: post_it(POST_ARGS)
896: {
897: int type, i, cols;
898: struct mdoc_node *n, *c;
899:
900: if (MDOC_BLOCK != mdoc->last->type)
901: return(1);
902:
903: n = mdoc->last->parent->parent;
1.55 schwarze 904: if (NULL == n->args) {
905: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
906: return(0);
907: }
1.1 kristaps 908:
909: /* Some types require block-head, some not. */
910:
911: /* LINTED */
912: for (cols = type = -1, i = 0; -1 == type &&
913: i < (int)n->args->argc; i++)
914: switch (n->args->argv[i].arg) {
915: case (MDOC_Tag):
916: /* FALLTHROUGH */
917: case (MDOC_Diag):
918: /* FALLTHROUGH */
919: case (MDOC_Hang):
920: /* FALLTHROUGH */
921: case (MDOC_Ohang):
922: /* FALLTHROUGH */
923: case (MDOC_Inset):
924: /* FALLTHROUGH */
925: case (MDOC_Bullet):
926: /* FALLTHROUGH */
927: case (MDOC_Dash):
928: /* FALLTHROUGH */
929: case (MDOC_Enum):
930: /* FALLTHROUGH */
931: case (MDOC_Hyphen):
932: /* FALLTHROUGH */
933: case (MDOC_Item):
934: type = n->args->argv[i].arg;
935: break;
936: case (MDOC_Column):
937: type = n->args->argv[i].arg;
938: cols = (int)n->args->argv[i].sz;
939: break;
940: default:
941: break;
942: }
943:
1.55 schwarze 944: if (-1 == type) {
945: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
946: return(0);
947: }
1.1 kristaps 948:
949: switch (type) {
950: case (MDOC_Tag):
951: if (NULL == mdoc->last->head->child)
1.55 schwarze 952: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 953: return(0);
954: break;
955: case (MDOC_Hang):
956: /* FALLTHROUGH */
957: case (MDOC_Ohang):
958: /* FALLTHROUGH */
959: case (MDOC_Inset):
960: /* FALLTHROUGH */
961: case (MDOC_Diag):
962: if (NULL == mdoc->last->head->child)
1.55 schwarze 963: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 964: return(0);
965: if (NULL == mdoc->last->body->child)
1.55 schwarze 966: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 967: return(0);
968: break;
969: case (MDOC_Bullet):
970: /* FALLTHROUGH */
971: case (MDOC_Dash):
972: /* FALLTHROUGH */
973: case (MDOC_Enum):
974: /* FALLTHROUGH */
975: case (MDOC_Hyphen):
976: /* FALLTHROUGH */
977: case (MDOC_Item):
978: if (mdoc->last->head->child)
1.55 schwarze 979: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1.1 kristaps 980: return(0);
981: if (NULL == mdoc->last->body->child)
1.55 schwarze 982: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 983: return(0);
984: break;
985: case (MDOC_Column):
986: if (NULL == mdoc->last->head->child)
1.55 schwarze 987: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 988: return(0);
989: if (mdoc->last->body->child)
1.55 schwarze 990: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BODYLOST))
1.1 kristaps 991: return(0);
992: c = mdoc->last->child;
993: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
994: i++;
1.32 schwarze 995:
1.53 schwarze 996: if (i < cols) {
1.55 schwarze 997: if ( ! mdoc_vmsg(mdoc, MANDOCERR_ARGCOUNT,
998: mdoc->last->line,
999: mdoc->last->pos,
1000: "columns == %d (have %d)",
1001: cols, i))
1.32 schwarze 1002: return(0);
1.1 kristaps 1003: break;
1.53 schwarze 1004: } else if (i == cols || i == cols + 1)
1.32 schwarze 1005: break;
1006:
1.55 schwarze 1007: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
1008: mdoc->last->line, mdoc->last->pos,
1009: "columns == %d (have %d)", cols, i);
1010: return(0);
1.1 kristaps 1011: default:
1012: break;
1013: }
1014:
1015: return(1);
1016: }
1017:
1018:
1019: static int
1.11 schwarze 1020: post_bl_head(POST_ARGS)
1021: {
1022: int i;
1023: const struct mdoc_node *n;
1.48 schwarze 1024: const struct mdoc_argv *a;
1.11 schwarze 1025:
1026: n = mdoc->last->parent;
1027: assert(n->args);
1028:
1.48 schwarze 1029: for (i = 0; i < (int)n->args->argc; i++) {
1030: a = &n->args->argv[i];
1031: if (a->arg == MDOC_Column) {
1032: if (a->sz && mdoc->last->nchild)
1.55 schwarze 1033: return(mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS));
1.48 schwarze 1034: return(1);
1035: }
1036: }
1.11 schwarze 1037:
1.48 schwarze 1038: if (0 == (i = mdoc->last->nchild))
1.11 schwarze 1039: return(1);
1.48 schwarze 1040: return(warn_count(mdoc, "==", 0, "line arguments", i));
1.11 schwarze 1041: }
1042:
1043:
1044: static int
1.1 kristaps 1045: post_bl(POST_ARGS)
1046: {
1047: struct mdoc_node *n;
1048:
1.11 schwarze 1049: if (MDOC_HEAD == mdoc->last->type)
1050: return(post_bl_head(mdoc));
1.1 kristaps 1051: if (MDOC_BODY != mdoc->last->type)
1052: return(1);
1053: if (NULL == mdoc->last->child)
1054: return(1);
1055:
1.41 schwarze 1056: /*
1057: * We only allow certain children of `Bl'. This is usually on
1058: * `It', but apparently `Sm' occurs here and there, so we let
1059: * that one through, too.
1060: */
1061:
1.1 kristaps 1062: /* LINTED */
1063: for (n = mdoc->last->child; n; n = n->next) {
1.41 schwarze 1064: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1065: continue;
1066: if (MDOC_Sm == n->tok)
1067: continue;
1.55 schwarze 1068: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
1069: return(0);
1.1 kristaps 1070: }
1071:
1072: return(1);
1073: }
1074:
1075:
1076: static int
1077: ebool(struct mdoc *mdoc)
1078: {
1079: struct mdoc_node *n;
1080:
1081: /* LINTED */
1082: for (n = mdoc->last->child; n; n = n->next) {
1083: if (MDOC_TEXT != n->type)
1084: break;
1085: if (0 == strcmp(n->string, "on"))
1086: continue;
1087: if (0 == strcmp(n->string, "off"))
1088: continue;
1089: break;
1090: }
1091:
1092: if (NULL == n)
1093: return(1);
1.55 schwarze 1094: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1.1 kristaps 1095: }
1096:
1097:
1098: static int
1099: post_root(POST_ARGS)
1100: {
1101:
1102: if (NULL == mdoc->first->child)
1.55 schwarze 1103: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1104: else if ( ! (MDOC_PBODY & mdoc->flags))
1105: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
1106: else if (MDOC_BLOCK != mdoc->first->child->type)
1107: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1108: else if (MDOC_Sh != mdoc->first->child->tok)
1109: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1110: else
1111: return(1);
1.1 kristaps 1112:
1.55 schwarze 1113: return(0);
1.1 kristaps 1114: }
1115:
1116:
1117: static int
1118: post_st(POST_ARGS)
1119: {
1120:
1121: if (mdoc_a2st(mdoc->last->child->string))
1122: return(1);
1.55 schwarze 1123: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
1.36 schwarze 1124: }
1125:
1126:
1127: static int
1128: post_rs(POST_ARGS)
1129: {
1130: struct mdoc_node *nn;
1131:
1132: if (MDOC_BODY != mdoc->last->type)
1133: return(1);
1134:
1135: for (nn = mdoc->last->child; nn; nn = nn->next)
1136: switch (nn->tok) {
1.38 schwarze 1137: case(MDOC__U):
1138: /* FALLTHROUGH */
1.36 schwarze 1139: case(MDOC__Q):
1140: /* FALLTHROUGH */
1141: case(MDOC__C):
1142: /* FALLTHROUGH */
1143: case(MDOC__A):
1144: /* FALLTHROUGH */
1145: case(MDOC__B):
1146: /* FALLTHROUGH */
1147: case(MDOC__D):
1148: /* FALLTHROUGH */
1149: case(MDOC__I):
1150: /* FALLTHROUGH */
1151: case(MDOC__J):
1152: /* FALLTHROUGH */
1153: case(MDOC__N):
1154: /* FALLTHROUGH */
1155: case(MDOC__O):
1156: /* FALLTHROUGH */
1157: case(MDOC__P):
1158: /* FALLTHROUGH */
1159: case(MDOC__R):
1160: /* FALLTHROUGH */
1161: case(MDOC__T):
1162: /* FALLTHROUGH */
1163: case(MDOC__V):
1164: break;
1165: default:
1.55 schwarze 1166: mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
1167: return(0);
1.36 schwarze 1168: }
1169:
1170: return(1);
1.1 kristaps 1171: }
1172:
1173:
1174: static int
1175: post_sh(POST_ARGS)
1176: {
1177:
1178: if (MDOC_HEAD == mdoc->last->type)
1179: return(post_sh_head(mdoc));
1180: if (MDOC_BODY == mdoc->last->type)
1181: return(post_sh_body(mdoc));
1182:
1183: return(1);
1184: }
1185:
1186:
1187: static int
1188: post_sh_body(POST_ARGS)
1189: {
1190: struct mdoc_node *n;
1191:
1.26 schwarze 1192: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1193: return(1);
1194:
1195: /*
1196: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1197: * macros (can have multiple `Nm' and one `Nd'). Note that the
1198: * children of the BODY declaration can also be "text".
1199: */
1200:
1201: if (NULL == (n = mdoc->last->child))
1.55 schwarze 1202: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1203:
1204: for ( ; n && n->next; n = n->next) {
1205: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1206: continue;
1207: if (MDOC_TEXT == n->type)
1208: continue;
1.55 schwarze 1209: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1.1 kristaps 1210: return(0);
1211: }
1212:
1.34 schwarze 1213: assert(n);
1.25 schwarze 1214: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1215: return(1);
1.55 schwarze 1216: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1217: }
1218:
1219:
1220: static int
1221: post_sh_head(POST_ARGS)
1222: {
1223: char buf[64];
1224: enum mdoc_sec sec;
1225: const struct mdoc_node *n;
1226:
1227: /*
1228: * Process a new section. Sections are either "named" or
1229: * "custom"; custom sections are user-defined, while named ones
1230: * usually follow a conventional order and may only appear in
1231: * certain manual sections.
1232: */
1233:
1.55 schwarze 1234: buf[0] = '\0';
1235:
1236: /*
1237: * FIXME: yes, these can use a dynamic buffer, but I don't do so
1238: * in the interests of simplicity.
1239: */
1.1 kristaps 1240:
1241: for (n = mdoc->last->child; n; n = n->next) {
1.9 schwarze 1242: /* XXX - copied from compact(). */
1.1 kristaps 1243: assert(MDOC_TEXT == n->type);
1.9 schwarze 1244:
1.55 schwarze 1245: if (strlcat(buf, n->string, 64) >= 64) {
1246: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1247: return(0);
1248: }
1.1 kristaps 1249: if (NULL == n->next)
1250: continue;
1.55 schwarze 1251: if (strlcat(buf, " ", 64) >= 64) {
1252: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1253: return(0);
1254: }
1.1 kristaps 1255: }
1256:
1.51 schwarze 1257: sec = mdoc_str2sec(buf);
1.1 kristaps 1258:
1.9 schwarze 1259: /*
1260: * Check: NAME should always be first, CUSTOM has no roles,
1261: * non-CUSTOM has a conventional order to be followed.
1262: */
1.1 kristaps 1263:
1.51 schwarze 1264: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.55 schwarze 1265: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
1.51 schwarze 1266: return(0);
1267:
1.1 kristaps 1268: if (SEC_CUSTOM == sec)
1269: return(1);
1.51 schwarze 1270:
1.1 kristaps 1271: if (sec == mdoc->lastnamed)
1.55 schwarze 1272: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))
1.23 schwarze 1273: return(0);
1.51 schwarze 1274:
1.1 kristaps 1275: if (sec < mdoc->lastnamed)
1.55 schwarze 1276: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))
1.23 schwarze 1277: return(0);
1.1 kristaps 1278:
1.9 schwarze 1279: /*
1280: * Check particular section/manual conventions. LIBRARY can
1.54 schwarze 1281: * only occur in manual section 2, 3, and 9.
1.9 schwarze 1282: */
1.1 kristaps 1283:
1284: switch (sec) {
1285: case (SEC_LIBRARY):
1.54 schwarze 1286: assert(mdoc->meta.msec);
1287: if (*mdoc->meta.msec == '2')
1288: break;
1289: if (*mdoc->meta.msec == '3')
1290: break;
1291: if (*mdoc->meta.msec == '9')
1.1 kristaps 1292: break;
1.55 schwarze 1293: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));
1.1 kristaps 1294: default:
1295: break;
1296: }
1297:
1298: return(1);
1299: }
![[BACK]](/icons/back.gif){kind=icon}
Return to mdoc_validate.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / mandoc