Annotation of mandoc/mdoc_validate.c, Revision 1.78
1.78 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.77 2010/05/14 17:54:26 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:
29: #include "libmdoc.h"
1.18 kristaps 30: #include "libmandoc.h"
1.1 kristaps 31:
32: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
33: /* TODO: ignoring Pp (it's superfluous in some invocations). */
34:
1.32 kristaps 35: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
36: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 37:
38: typedef int (*v_pre)(PRE_ARGS);
39: typedef int (*v_post)(POST_ARGS);
40:
41: struct valids {
42: v_pre *pre;
43: v_post *post;
44: };
45:
1.59 kristaps 46: static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
1.32 kristaps 47: static int check_stdarg(PRE_ARGS);
48: static int check_text(struct mdoc *, int, int, const char *);
49: static int check_argv(struct mdoc *,
1.1 kristaps 50: const struct mdoc_node *,
51: const struct mdoc_argv *);
1.32 kristaps 52: static int check_args(struct mdoc *,
1.1 kristaps 53: const struct mdoc_node *);
1.32 kristaps 54: static int err_child_lt(struct mdoc *, const char *, int);
55: static int warn_child_lt(struct mdoc *, const char *, int);
56: static int err_child_gt(struct mdoc *, const char *, int);
57: static int warn_child_gt(struct mdoc *, const char *, int);
58: static int err_child_eq(struct mdoc *, const char *, int);
59: static int warn_child_eq(struct mdoc *, const char *, int);
60: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 61: int, const char *, int);
1.32 kristaps 62: static int err_count(struct mdoc *, const char *,
1.1 kristaps 63: int, const char *, int);
1.32 kristaps 64:
65: static int berr_ge1(POST_ARGS);
66: static int bwarn_ge1(POST_ARGS);
67: static int ebool(POST_ARGS);
68: static int eerr_eq0(POST_ARGS);
69: static int eerr_eq1(POST_ARGS);
70: static int eerr_ge1(POST_ARGS);
1.46 kristaps 71: static int eerr_le1(POST_ARGS);
1.32 kristaps 72: static int ewarn_ge1(POST_ARGS);
73: static int herr_eq0(POST_ARGS);
74: static int herr_ge1(POST_ARGS);
75: static int hwarn_eq1(POST_ARGS);
1.66 kristaps 76: static int hwarn_eq0(POST_ARGS);
1.32 kristaps 77: static int hwarn_le1(POST_ARGS);
78:
79: static int post_an(POST_ARGS);
80: static int post_at(POST_ARGS);
81: static int post_bf(POST_ARGS);
82: static int post_bl(POST_ARGS);
83: static int post_bl_head(POST_ARGS);
84: static int post_it(POST_ARGS);
85: static int post_lb(POST_ARGS);
86: static int post_nm(POST_ARGS);
87: static int post_root(POST_ARGS);
1.43 kristaps 88: static int post_rs(POST_ARGS);
1.32 kristaps 89: static int post_sh(POST_ARGS);
90: static int post_sh_body(POST_ARGS);
91: static int post_sh_head(POST_ARGS);
92: static int post_st(POST_ARGS);
1.57 kristaps 93: static int post_vt(POST_ARGS);
1.32 kristaps 94: static int pre_an(PRE_ARGS);
95: static int pre_bd(PRE_ARGS);
96: static int pre_bl(PRE_ARGS);
97: static int pre_dd(PRE_ARGS);
98: static int pre_display(PRE_ARGS);
99: static int pre_dt(PRE_ARGS);
100: static int pre_it(PRE_ARGS);
101: static int pre_os(PRE_ARGS);
102: static int pre_rv(PRE_ARGS);
103: static int pre_sh(PRE_ARGS);
104: static int pre_ss(PRE_ARGS);
105:
106: static v_post posts_an[] = { post_an, NULL };
107: static v_post posts_at[] = { post_at, NULL };
1.66 kristaps 108: static v_post posts_bd[] = { hwarn_eq0, bwarn_ge1, NULL };
1.32 kristaps 109: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
110: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
111: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
112: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
113: static v_post posts_it[] = { post_it, NULL };
114: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
115: static v_post posts_nd[] = { berr_ge1, NULL };
116: static v_post posts_nm[] = { post_nm, NULL };
117: static v_post posts_notext[] = { eerr_eq0, NULL };
1.44 kristaps 118: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.32 kristaps 119: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.46 kristaps 120: static v_post posts_sp[] = { eerr_le1, NULL };
1.32 kristaps 121: static v_post posts_ss[] = { herr_ge1, NULL };
122: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
123: static v_post posts_text[] = { eerr_ge1, NULL };
1.51 kristaps 124: static v_post posts_text1[] = { eerr_eq1, NULL };
1.57 kristaps 125: static v_post posts_vt[] = { post_vt, NULL };
1.32 kristaps 126: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
127: static v_post posts_wtext[] = { ewarn_ge1, NULL };
1.63 kristaps 128: static v_post posts_xr[] = { ewarn_ge1, NULL };
1.32 kristaps 129: static v_pre pres_an[] = { pre_an, NULL };
130: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
131: static v_pre pres_bl[] = { pre_bl, NULL };
132: static v_pre pres_d1[] = { pre_display, NULL };
133: static v_pre pres_dd[] = { pre_dd, NULL };
134: static v_pre pres_dt[] = { pre_dt, NULL };
1.67 kristaps 135: static v_pre pres_er[] = { NULL, NULL };
1.76 kristaps 136: static v_pre pres_ex[] = { NULL, NULL };
1.77 kristaps 137: static v_pre pres_fd[] = { NULL, NULL };
1.32 kristaps 138: static v_pre pres_it[] = { pre_it, NULL };
1.77 kristaps 139: static v_pre pres_lb[] = { NULL, NULL };
1.32 kristaps 140: static v_pre pres_os[] = { pre_os, NULL };
141: static v_pre pres_rv[] = { pre_rv, NULL };
142: static v_pre pres_sh[] = { pre_sh, NULL };
143: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 144:
145: const struct valids mdoc_valids[MDOC_MAX] = {
1.10 kristaps 146: { NULL, NULL }, /* Ap */
1.1 kristaps 147: { pres_dd, posts_text }, /* Dd */
148: { pres_dt, NULL }, /* Dt */
149: { pres_os, NULL }, /* Os */
150: { pres_sh, posts_sh }, /* Sh */
151: { pres_ss, posts_ss }, /* Ss */
1.34 kristaps 152: { NULL, posts_notext }, /* Pp */
1.1 kristaps 153: { pres_d1, posts_wline }, /* D1 */
154: { pres_d1, posts_wline }, /* Dl */
155: { pres_bd, posts_bd }, /* Bd */
156: { NULL, NULL }, /* Ed */
157: { pres_bl, posts_bl }, /* Bl */
158: { NULL, NULL }, /* El */
159: { pres_it, posts_it }, /* It */
160: { NULL, posts_text }, /* Ad */
161: { pres_an, posts_an }, /* An */
162: { NULL, NULL }, /* Ar */
1.69 kristaps 163: { NULL, posts_text }, /* Cd */
1.1 kristaps 164: { NULL, NULL }, /* Cm */
165: { NULL, NULL }, /* Dv */
166: { pres_er, posts_text }, /* Er */
167: { NULL, NULL }, /* Ev */
1.42 kristaps 168: { pres_ex, NULL }, /* Ex */
1.1 kristaps 169: { NULL, NULL }, /* Fa */
170: { pres_fd, posts_wtext }, /* Fd */
171: { NULL, NULL }, /* Fl */
172: { NULL, posts_text }, /* Fn */
173: { NULL, posts_wtext }, /* Ft */
174: { NULL, posts_text }, /* Ic */
1.51 kristaps 175: { NULL, posts_text1 }, /* In */
1.1 kristaps 176: { NULL, NULL }, /* Li */
1.27 kristaps 177: { NULL, posts_nd }, /* Nd */
1.1 kristaps 178: { NULL, posts_nm }, /* Nm */
179: { NULL, posts_wline }, /* Op */
180: { NULL, NULL }, /* Ot */
181: { NULL, NULL }, /* Pa */
1.42 kristaps 182: { pres_rv, NULL }, /* Rv */
1.1 kristaps 183: { NULL, posts_st }, /* St */
184: { NULL, NULL }, /* Va */
1.57 kristaps 185: { NULL, posts_vt }, /* Vt */
1.1 kristaps 186: { NULL, posts_xr }, /* Xr */
187: { NULL, posts_text }, /* %A */
1.47 kristaps 188: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.54 kristaps 189: { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */
1.1 kristaps 190: { NULL, posts_text }, /* %I */
191: { NULL, posts_text }, /* %J */
192: { NULL, posts_text }, /* %N */
193: { NULL, posts_text }, /* %O */
194: { NULL, posts_text }, /* %P */
195: { NULL, posts_text }, /* %R */
1.47 kristaps 196: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 197: { NULL, posts_text }, /* %V */
198: { NULL, NULL }, /* Ac */
199: { NULL, NULL }, /* Ao */
200: { NULL, posts_wline }, /* Aq */
201: { NULL, posts_at }, /* At */
202: { NULL, NULL }, /* Bc */
203: { NULL, posts_bf }, /* Bf */
204: { NULL, NULL }, /* Bo */
205: { NULL, posts_wline }, /* Bq */
206: { NULL, NULL }, /* Bsx */
207: { NULL, NULL }, /* Bx */
208: { NULL, posts_bool }, /* Db */
209: { NULL, NULL }, /* Dc */
210: { NULL, NULL }, /* Do */
211: { NULL, posts_wline }, /* Dq */
212: { NULL, NULL }, /* Ec */
213: { NULL, NULL }, /* Ef */
214: { NULL, NULL }, /* Em */
215: { NULL, NULL }, /* Eo */
216: { NULL, NULL }, /* Fx */
217: { NULL, posts_text }, /* Ms */
218: { NULL, posts_notext }, /* No */
219: { NULL, posts_notext }, /* Ns */
220: { NULL, NULL }, /* Nx */
221: { NULL, NULL }, /* Ox */
222: { NULL, NULL }, /* Pc */
1.51 kristaps 223: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 224: { NULL, NULL }, /* Po */
225: { NULL, posts_wline }, /* Pq */
226: { NULL, NULL }, /* Qc */
227: { NULL, posts_wline }, /* Ql */
228: { NULL, NULL }, /* Qo */
229: { NULL, posts_wline }, /* Qq */
230: { NULL, NULL }, /* Re */
1.43 kristaps 231: { NULL, posts_rs }, /* Rs */
1.1 kristaps 232: { NULL, NULL }, /* Sc */
233: { NULL, NULL }, /* So */
234: { NULL, posts_wline }, /* Sq */
235: { NULL, posts_bool }, /* Sm */
236: { NULL, posts_text }, /* Sx */
237: { NULL, posts_text }, /* Sy */
238: { NULL, posts_text }, /* Tn */
239: { NULL, NULL }, /* Ux */
240: { NULL, NULL }, /* Xc */
241: { NULL, NULL }, /* Xo */
242: { NULL, posts_fo }, /* Fo */
243: { NULL, NULL }, /* Fc */
244: { NULL, NULL }, /* Oo */
245: { NULL, NULL }, /* Oc */
246: { NULL, posts_wline }, /* Bk */
247: { NULL, NULL }, /* Ek */
248: { NULL, posts_notext }, /* Bt */
249: { NULL, NULL }, /* Hf */
250: { NULL, NULL }, /* Fr */
251: { NULL, posts_notext }, /* Ud */
252: { pres_lb, posts_lb }, /* Lb */
1.34 kristaps 253: { NULL, posts_notext }, /* Lp */
1.51 kristaps 254: { NULL, posts_text }, /* Lk */
1.1 kristaps 255: { NULL, posts_text }, /* Mt */
256: { NULL, posts_wline }, /* Brq */
257: { NULL, NULL }, /* Bro */
258: { NULL, NULL }, /* Brc */
259: { NULL, posts_text }, /* %C */
260: { NULL, NULL }, /* Es */
261: { NULL, NULL }, /* En */
262: { NULL, NULL }, /* Dx */
263: { NULL, posts_text }, /* %Q */
1.33 kristaps 264: { NULL, posts_notext }, /* br */
1.35 kristaps 265: { NULL, posts_sp }, /* sp */
1.51 kristaps 266: { NULL, posts_text1 }, /* %U */
1.1 kristaps 267: };
268:
269:
270: int
1.32 kristaps 271: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 272: {
273: v_pre *p;
274: int line, pos;
275: const char *tp;
276:
277: if (MDOC_TEXT == n->type) {
278: tp = n->string;
279: line = n->line;
280: pos = n->pos;
281: return(check_text(mdoc, line, pos, tp));
282: }
283:
284: if ( ! check_args(mdoc, n))
285: return(0);
286: if (NULL == mdoc_valids[n->tok].pre)
287: return(1);
288: for (p = mdoc_valids[n->tok].pre; *p; p++)
289: if ( ! (*p)(mdoc, n))
290: return(0);
291: return(1);
292: }
293:
294:
295: int
296: mdoc_valid_post(struct mdoc *mdoc)
297: {
298: v_post *p;
299:
300: if (MDOC_VALID & mdoc->last->flags)
301: return(1);
302: mdoc->last->flags |= MDOC_VALID;
303:
304: if (MDOC_TEXT == mdoc->last->type)
305: return(1);
306: if (MDOC_ROOT == mdoc->last->type)
307: return(post_root(mdoc));
308:
309: if (NULL == mdoc_valids[mdoc->last->tok].post)
310: return(1);
311: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
312: if ( ! (*p)(mdoc))
313: return(0);
314:
315: return(1);
316: }
317:
318:
319: static inline int
320: warn_count(struct mdoc *m, const char *k,
321: int want, const char *v, int has)
322: {
323:
1.23 kristaps 324: return(mdoc_vwarn(m, m->last->line, m->last->pos,
325: "suggests %s %s %d (has %d)", v, k, want, has));
1.1 kristaps 326: }
327:
328:
329: static inline int
330: err_count(struct mdoc *m, const char *k,
331: int want, const char *v, int has)
332: {
333:
1.23 kristaps 334: return(mdoc_verr(m, m->last->line, m->last->pos,
1.1 kristaps 335: "requires %s %s %d (has %d)", v, k, want, has));
336: }
337:
338:
339: /*
340: * Build these up with macros because they're basically the same check
341: * for different inequalities. Yes, this could be done with functions,
342: * but this is reasonable for now.
343: */
344:
345: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
346: static int \
347: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
348: { \
1.16 kristaps 349: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 350: return(1); \
1.16 kristaps 351: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 352: }
353:
354: #define CHECK_BODY_DEFN(name, lvl, func, num) \
355: static int \
356: b##lvl##_##name(POST_ARGS) \
357: { \
358: if (MDOC_BODY != mdoc->last->type) \
359: return(1); \
360: return(func(mdoc, "multi-line arguments", (num))); \
361: }
362:
363: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
364: static int \
365: e##lvl##_##name(POST_ARGS) \
366: { \
367: assert(MDOC_ELEM == mdoc->last->type); \
368: return(func(mdoc, "line arguments", (num))); \
369: }
370:
371: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
372: static int \
373: h##lvl##_##name(POST_ARGS) \
374: { \
375: if (MDOC_HEAD != mdoc->last->type) \
376: return(1); \
377: return(func(mdoc, "line arguments", (num))); \
378: }
379:
380:
381: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
382: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
383: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
384: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
385: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
386: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
387: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.27 kristaps 388: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 389: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
390: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
1.46 kristaps 391: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
1.1 kristaps 392: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
393: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
394: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
395: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
396: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
397: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.66 kristaps 398: CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0) /* hwarn_eq0() */
1.1 kristaps 399:
400:
401: static int
402: check_stdarg(PRE_ARGS)
403: {
404:
405: if (n->args && 1 == n->args->argc)
406: if (MDOC_Std == n->args->argv[0].arg)
407: return(1);
1.23 kristaps 408: return(mdoc_nwarn(mdoc, n, EARGVAL));
1.1 kristaps 409: }
410:
411:
412: static int
413: check_args(struct mdoc *m, const struct mdoc_node *n)
414: {
415: int i;
416:
417: if (NULL == n->args)
418: return(1);
419:
420: assert(n->args->argc);
421: for (i = 0; i < (int)n->args->argc; i++)
422: if ( ! check_argv(m, n, &n->args->argv[i]))
423: return(0);
424:
425: return(1);
426: }
427:
428:
429: static int
430: check_argv(struct mdoc *m, const struct mdoc_node *n,
431: const struct mdoc_argv *v)
432: {
433: int i;
434:
435: for (i = 0; i < (int)v->sz; i++)
436: if ( ! check_text(m, v->line, v->pos, v->value[i]))
437: return(0);
438:
439: if (MDOC_Std == v->arg) {
440: /* `Nm' name must be set. */
441: if (v->sz || m->meta.name)
442: return(1);
1.23 kristaps 443: return(mdoc_nerr(m, n, ENAME));
1.1 kristaps 444: }
445:
446: return(1);
447: }
448:
449:
450: static int
451: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
452: {
1.18 kristaps 453: int c;
1.1 kristaps 454:
1.18 kristaps 455: for ( ; *p; p++, pos++) {
1.1 kristaps 456: if ('\t' == *p) {
457: if ( ! (MDOC_LITERAL & mdoc->flags))
1.71 kristaps 458: if ( ! mdoc_pwarn(mdoc, line, pos, EPRINT))
1.4 kristaps 459: return(0);
1.1 kristaps 460: } else if ( ! isprint((u_char)*p))
1.71 kristaps 461: if ( ! mdoc_pwarn(mdoc, line, pos, EPRINT))
1.4 kristaps 462: return(0);
1.1 kristaps 463:
464: if ('\\' != *p)
465: continue;
466:
1.18 kristaps 467: c = mandoc_special(p);
1.1 kristaps 468: if (c) {
1.18 kristaps 469: p += c - 1;
470: pos += c - 1;
1.1 kristaps 471: continue;
472: }
473: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
1.23 kristaps 474: return(mdoc_perr(mdoc, line, pos, EESCAPE));
1.32 kristaps 475: if ( ! mdoc_pwarn(mdoc, line, pos, EESCAPE))
1.1 kristaps 476: return(0);
477: }
478:
479: return(1);
480: }
481:
482:
483:
484:
485: static int
1.59 kristaps 486: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 487: {
488:
489: assert(n->parent);
490: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
491: (t == n->parent->type))
492: return(1);
493:
1.23 kristaps 494: return(mdoc_verr(mdoc, n->line, n->pos, "require parent %s",
1.1 kristaps 495: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
496: }
497:
498:
499:
500: static int
501: pre_display(PRE_ARGS)
502: {
503: struct mdoc_node *node;
504:
505: /* Display elements (`Bd', `D1'...) cannot be nested. */
506:
507: if (MDOC_BLOCK != n->type)
508: return(1);
509:
510: /* LINTED */
511: for (node = mdoc->last->parent; node; node = node->parent)
512: if (MDOC_BLOCK == node->type)
513: if (MDOC_Bd == node->tok)
514: break;
515: if (NULL == node)
516: return(1);
517:
1.23 kristaps 518: return(mdoc_nerr(mdoc, n, ENESTDISP));
1.1 kristaps 519: }
520:
521:
522: static int
523: pre_bl(PRE_ARGS)
524: {
1.15 kristaps 525: int pos, type, width, offset;
1.1 kristaps 526:
527: if (MDOC_BLOCK != n->type)
528: return(1);
529: if (NULL == n->args)
1.23 kristaps 530: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 531:
532: /* Make sure that only one type of list is specified. */
533:
1.15 kristaps 534: type = offset = width = -1;
1.1 kristaps 535:
536: /* LINTED */
1.8 kristaps 537: for (pos = 0; pos < (int)n->args->argc; pos++)
538: switch (n->args->argv[pos].arg) {
1.1 kristaps 539: case (MDOC_Bullet):
540: /* FALLTHROUGH */
541: case (MDOC_Dash):
542: /* FALLTHROUGH */
543: case (MDOC_Enum):
544: /* FALLTHROUGH */
545: case (MDOC_Hyphen):
546: /* FALLTHROUGH */
547: case (MDOC_Item):
548: /* FALLTHROUGH */
549: case (MDOC_Tag):
550: /* FALLTHROUGH */
551: case (MDOC_Diag):
552: /* FALLTHROUGH */
553: case (MDOC_Hang):
554: /* FALLTHROUGH */
555: case (MDOC_Ohang):
556: /* FALLTHROUGH */
557: case (MDOC_Inset):
558: /* FALLTHROUGH */
559: case (MDOC_Column):
1.61 kristaps 560: /*
561: * Note that if a duplicate is detected, we
562: * remove the duplicate instead of passing it
563: * over. If we don't do this, mdoc_action will
564: * become confused when it scans over multiple
565: * types whilst setting its bitmasks.
1.62 kristaps 566: *
567: * FIXME: this should occur in mdoc_action.c.
1.61 kristaps 568: */
569: if (type >= 0) {
570: if ( ! mdoc_nwarn(mdoc, n, EMULTILIST))
571: return(0);
572: mdoc_argn_free(n->args, pos);
573: break;
574: }
1.8 kristaps 575: type = n->args->argv[pos].arg;
576: break;
1.45 kristaps 577: case (MDOC_Compact):
578: if (type < 0 && ! mdoc_nwarn(mdoc, n, ENOTYPE))
579: return(0);
580: break;
1.1 kristaps 581: case (MDOC_Width):
1.45 kristaps 582: if (width >= 0)
1.23 kristaps 583: return(mdoc_nerr(mdoc, n, EARGREP));
1.45 kristaps 584: if (type < 0 && ! mdoc_nwarn(mdoc, n, ENOTYPE))
585: return(0);
1.8 kristaps 586: width = n->args->argv[pos].arg;
587: break;
1.1 kristaps 588: case (MDOC_Offset):
1.45 kristaps 589: if (offset >= 0)
1.23 kristaps 590: return(mdoc_nerr(mdoc, n, EARGREP));
1.45 kristaps 591: if (type < 0 && ! mdoc_nwarn(mdoc, n, ENOTYPE))
592: return(0);
1.8 kristaps 593: offset = n->args->argv[pos].arg;
594: break;
1.1 kristaps 595: default:
596: break;
597: }
598:
1.45 kristaps 599: if (type < 0)
1.23 kristaps 600: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 601:
1.8 kristaps 602: /*
603: * Validate the width field. Some list types don't need width
604: * types and should be warned about them. Others should have it
605: * and must also be warned.
606: */
607:
1.1 kristaps 608: switch (type) {
1.8 kristaps 609: case (MDOC_Tag):
1.45 kristaps 610: if (width < 0 && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
1.8 kristaps 611: return(0);
612: break;
1.1 kristaps 613: case (MDOC_Column):
614: /* FALLTHROUGH */
615: case (MDOC_Diag):
616: /* FALLTHROUGH */
1.53 kristaps 617: case (MDOC_Ohang):
618: /* FALLTHROUGH */
1.1 kristaps 619: case (MDOC_Inset):
620: /* FALLTHROUGH */
621: case (MDOC_Item):
1.45 kristaps 622: if (width >= 0 && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
1.8 kristaps 623: return(0);
624: break;
625: default:
626: break;
627: }
628:
1.1 kristaps 629: return(1);
630: }
631:
632:
633: static int
634: pre_bd(PRE_ARGS)
635: {
636: int i, type, err;
637:
638: if (MDOC_BLOCK != n->type)
639: return(1);
640: if (NULL == n->args)
1.23 kristaps 641: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 642:
643: /* Make sure that only one type of display is specified. */
644:
645: /* LINTED */
646: for (i = 0, err = type = 0; ! err &&
647: i < (int)n->args->argc; i++)
648: switch (n->args->argv[i].arg) {
1.49 kristaps 649: case (MDOC_Centred):
650: /* FALLTHROUGH */
1.1 kristaps 651: case (MDOC_Ragged):
652: /* FALLTHROUGH */
653: case (MDOC_Unfilled):
654: /* FALLTHROUGH */
655: case (MDOC_Filled):
656: /* FALLTHROUGH */
657: case (MDOC_Literal):
658: if (0 == type++)
659: break;
1.23 kristaps 660: return(mdoc_nerr(mdoc, n, EMULTIDISP));
1.1 kristaps 661: default:
662: break;
663: }
664:
665: if (type)
666: return(1);
1.23 kristaps 667: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 668: }
669:
670:
671: static int
672: pre_ss(PRE_ARGS)
673: {
674:
675: if (MDOC_BLOCK != n->type)
676: return(1);
677: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
678: }
679:
680:
681: static int
682: pre_sh(PRE_ARGS)
683: {
684:
685: if (MDOC_BLOCK != n->type)
686: return(1);
1.70 kristaps 687: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 688: }
689:
690:
691: static int
692: pre_it(PRE_ARGS)
693: {
694:
695: if (MDOC_BLOCK != n->type)
696: return(1);
697: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
698: }
699:
700:
701: static int
702: pre_an(PRE_ARGS)
703: {
704:
705: if (NULL == n->args || 1 == n->args->argc)
706: return(1);
1.23 kristaps 707: return(mdoc_verr(mdoc, n->line, n->pos,
708: "only one argument allowed"));
1.1 kristaps 709: }
710:
711:
712: static int
713: pre_rv(PRE_ARGS)
714: {
715:
716: return(check_stdarg(mdoc, n));
717: }
718:
719:
720: static int
721: pre_dt(PRE_ARGS)
722: {
723:
1.54 kristaps 724: /* FIXME: make sure is capitalised. */
725:
1.1 kristaps 726: if (0 == mdoc->meta.date || mdoc->meta.os)
1.23 kristaps 727: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 728: return(0);
729: if (mdoc->meta.title)
1.23 kristaps 730: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 731: return(0);
732: return(1);
733: }
734:
735:
736: static int
737: pre_os(PRE_ARGS)
738: {
739:
740: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.23 kristaps 741: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 742: return(0);
743: if (mdoc->meta.os)
1.23 kristaps 744: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 745: return(0);
746: return(1);
747: }
748:
749:
750: static int
751: pre_dd(PRE_ARGS)
752: {
753:
754: if (mdoc->meta.title || mdoc->meta.os)
1.23 kristaps 755: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 756: return(0);
757: if (mdoc->meta.date)
1.23 kristaps 758: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 759: return(0);
760: return(1);
761: }
762:
763:
764: static int
765: post_bf(POST_ARGS)
766: {
767: char *p;
768: struct mdoc_node *head;
769:
770: if (MDOC_BLOCK != mdoc->last->type)
771: return(1);
772:
773: head = mdoc->last->head;
774:
1.12 kristaps 775: if (mdoc->last->args && head->child)
1.24 kristaps 776: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.13 kristaps 777: else if (mdoc->last->args)
778: return(1);
1.12 kristaps 779:
1.13 kristaps 780: if (NULL == head->child || MDOC_TEXT != head->child->type)
1.24 kristaps 781: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 782:
1.13 kristaps 783: p = head->child->string;
1.1 kristaps 784:
1.13 kristaps 785: if (0 == strcmp(p, "Em"))
786: return(1);
787: else if (0 == strcmp(p, "Li"))
788: return(1);
1.37 kristaps 789: else if (0 == strcmp(p, "Sy"))
1.13 kristaps 790: return(1);
1.1 kristaps 791:
1.23 kristaps 792: return(mdoc_nerr(mdoc, head, EFONT));
1.1 kristaps 793: }
794:
795:
796: static int
1.31 kristaps 797: post_lb(POST_ARGS)
798: {
799:
800: if (mdoc_a2lib(mdoc->last->child->string))
801: return(1);
802: return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
803: }
804:
805:
806: static int
1.57 kristaps 807: post_vt(POST_ARGS)
808: {
809: const struct mdoc_node *n;
810:
811: /*
812: * The Vt macro comes in both ELEM and BLOCK form, both of which
813: * have different syntaxes (yet more context-sensitive
814: * behaviour). ELEM types must have a child; BLOCK types,
815: * specifically the BODY, should only have TEXT children.
816: */
817:
818: if (MDOC_ELEM == mdoc->last->type)
819: return(eerr_ge1(mdoc));
820: if (MDOC_BODY != mdoc->last->type)
821: return(1);
822:
823: for (n = mdoc->last->child; n; n = n->next)
824: if (MDOC_TEXT != n->type)
825: if ( ! mdoc_nwarn(mdoc, n, EBADCHILD))
826: return(0);
827:
828: return(1);
829: }
830:
831:
832: static int
1.1 kristaps 833: post_nm(POST_ARGS)
834: {
835:
836: if (mdoc->last->child)
837: return(1);
838: if (mdoc->meta.name)
839: return(1);
1.23 kristaps 840: return(mdoc_nerr(mdoc, mdoc->last, ENAME));
1.1 kristaps 841: }
842:
843:
844: static int
845: post_at(POST_ARGS)
846: {
847:
848: if (NULL == mdoc->last->child)
849: return(1);
850: if (MDOC_TEXT != mdoc->last->child->type)
1.23 kristaps 851: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 852: if (mdoc_a2att(mdoc->last->child->string))
853: return(1);
1.75 kristaps 854: return(mdoc_nwarn(mdoc, mdoc->last, EATT));
1.1 kristaps 855: }
856:
857:
858: static int
859: post_an(POST_ARGS)
860: {
861:
862: if (mdoc->last->args) {
863: if (NULL == mdoc->last->child)
864: return(1);
1.40 kristaps 865: return(mdoc_nerr(mdoc, mdoc->last, ENOLINE));
1.1 kristaps 866: }
867:
868: if (mdoc->last->child)
869: return(1);
1.23 kristaps 870: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 871: }
872:
873:
874: static int
875: post_it(POST_ARGS)
876: {
877: int type, i, cols;
878: struct mdoc_node *n, *c;
879:
880: if (MDOC_BLOCK != mdoc->last->type)
881: return(1);
882:
883: n = mdoc->last->parent->parent;
884: if (NULL == n->args)
1.23 kristaps 885: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 886:
887: /* Some types require block-head, some not. */
888:
889: /* LINTED */
890: for (cols = type = -1, i = 0; -1 == type &&
891: i < (int)n->args->argc; i++)
892: switch (n->args->argv[i].arg) {
893: case (MDOC_Tag):
894: /* FALLTHROUGH */
895: case (MDOC_Diag):
896: /* FALLTHROUGH */
897: case (MDOC_Hang):
898: /* FALLTHROUGH */
899: case (MDOC_Ohang):
900: /* FALLTHROUGH */
901: case (MDOC_Inset):
902: /* FALLTHROUGH */
903: case (MDOC_Bullet):
904: /* FALLTHROUGH */
905: case (MDOC_Dash):
906: /* FALLTHROUGH */
907: case (MDOC_Enum):
908: /* FALLTHROUGH */
909: case (MDOC_Hyphen):
910: /* FALLTHROUGH */
911: case (MDOC_Item):
912: type = n->args->argv[i].arg;
913: break;
914: case (MDOC_Column):
915: type = n->args->argv[i].arg;
916: cols = (int)n->args->argv[i].sz;
917: break;
918: default:
919: break;
920: }
921:
922: if (-1 == type)
1.23 kristaps 923: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 924:
925: switch (type) {
926: case (MDOC_Tag):
927: if (NULL == mdoc->last->head->child)
1.23 kristaps 928: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 929: return(0);
930: break;
931: case (MDOC_Hang):
932: /* FALLTHROUGH */
933: case (MDOC_Ohang):
934: /* FALLTHROUGH */
935: case (MDOC_Inset):
936: /* FALLTHROUGH */
937: case (MDOC_Diag):
938: if (NULL == mdoc->last->head->child)
1.23 kristaps 939: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 940: return(0);
941: if (NULL == mdoc->last->body->child)
1.23 kristaps 942: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 943: return(0);
944: break;
945: case (MDOC_Bullet):
946: /* FALLTHROUGH */
947: case (MDOC_Dash):
948: /* FALLTHROUGH */
949: case (MDOC_Enum):
950: /* FALLTHROUGH */
951: case (MDOC_Hyphen):
952: /* FALLTHROUGH */
953: case (MDOC_Item):
954: if (mdoc->last->head->child)
1.23 kristaps 955: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
1.1 kristaps 956: return(0);
957: if (NULL == mdoc->last->body->child)
1.23 kristaps 958: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 959: return(0);
960: break;
961: case (MDOC_Column):
962: if (NULL == mdoc->last->head->child)
1.23 kristaps 963: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 964: return(0);
965: if (mdoc->last->body->child)
1.23 kristaps 966: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
1.1 kristaps 967: return(0);
968: c = mdoc->last->child;
969: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
970: i++;
1.38 kristaps 971:
1.73 kristaps 972: if (i < cols) {
1.38 kristaps 973: if ( ! mdoc_vwarn(mdoc, mdoc->last->line,
974: mdoc->last->pos, "column "
975: "mismatch: have %d, want %d",
976: i, cols))
977: return(0);
1.1 kristaps 978: break;
1.73 kristaps 979: } else if (i == cols || i == cols + 1)
1.38 kristaps 980: break;
981:
982: return(mdoc_verr(mdoc, mdoc->last->line,
983: mdoc->last->pos, "column mismatch: "
984: "have %d, want %d", i, cols));
1.1 kristaps 985: default:
986: break;
987: }
988:
989: return(1);
990: }
991:
992:
993: static int
1.14 kristaps 994: post_bl_head(POST_ARGS)
995: {
996: int i;
997: const struct mdoc_node *n;
1.65 kristaps 998: const struct mdoc_argv *a;
1.14 kristaps 999:
1000: n = mdoc->last->parent;
1001: assert(n->args);
1002:
1.65 kristaps 1003: for (i = 0; i < (int)n->args->argc; i++) {
1004: a = &n->args->argv[i];
1005: if (a->arg == MDOC_Column) {
1006: if (a->sz && mdoc->last->nchild)
1007: return(mdoc_nerr(mdoc, n, ECOLMIS));
1008: return(1);
1009: }
1010: }
1.14 kristaps 1011:
1.65 kristaps 1012: if (0 == (i = mdoc->last->nchild))
1013: return(1);
1014: return(warn_count(mdoc, "==", 0, "line arguments", i));
1.14 kristaps 1015: }
1016:
1017:
1018: static int
1.1 kristaps 1019: post_bl(POST_ARGS)
1020: {
1021: struct mdoc_node *n;
1022:
1.14 kristaps 1023: if (MDOC_HEAD == mdoc->last->type)
1024: return(post_bl_head(mdoc));
1.1 kristaps 1025: if (MDOC_BODY != mdoc->last->type)
1026: return(1);
1027: if (NULL == mdoc->last->child)
1028: return(1);
1029:
1.55 kristaps 1030: /*
1031: * We only allow certain children of `Bl'. This is usually on
1032: * `It', but apparently `Sm' occurs here and there, so we let
1033: * that one through, too.
1034: */
1035:
1.1 kristaps 1036: /* LINTED */
1037: for (n = mdoc->last->child; n; n = n->next) {
1.55 kristaps 1038: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1039: continue;
1040: if (MDOC_Sm == n->tok)
1041: continue;
1.43 kristaps 1042: return(mdoc_nerr(mdoc, n, EBADCHILD));
1.1 kristaps 1043: }
1044:
1045: return(1);
1046: }
1047:
1048:
1049: static int
1050: ebool(struct mdoc *mdoc)
1051: {
1052: struct mdoc_node *n;
1053:
1054: /* LINTED */
1055: for (n = mdoc->last->child; n; n = n->next) {
1056: if (MDOC_TEXT != n->type)
1057: break;
1.2 kristaps 1058: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1059: continue;
1.2 kristaps 1060: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1061: continue;
1062: break;
1063: }
1064:
1065: if (NULL == n)
1066: return(1);
1.23 kristaps 1067: return(mdoc_nerr(mdoc, n, EBOOL));
1.1 kristaps 1068: }
1069:
1070:
1071: static int
1072: post_root(POST_ARGS)
1073: {
1074:
1075: if (NULL == mdoc->first->child)
1.23 kristaps 1076: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.12 kristaps 1077: if ( ! (MDOC_PBODY & mdoc->flags))
1.23 kristaps 1078: return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
1.1 kristaps 1079:
1080: if (MDOC_BLOCK != mdoc->first->child->type)
1.23 kristaps 1081: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1082: if (MDOC_Sh != mdoc->first->child->tok)
1.23 kristaps 1083: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1084:
1085: return(1);
1086: }
1087:
1088:
1089: static int
1090: post_st(POST_ARGS)
1091: {
1092:
1093: if (mdoc_a2st(mdoc->last->child->string))
1094: return(1);
1.74 kristaps 1095: return(mdoc_nwarn(mdoc, mdoc->last, EBADSTAND));
1.1 kristaps 1096: }
1097:
1098:
1099: static int
1.43 kristaps 1100: post_rs(POST_ARGS)
1101: {
1102: struct mdoc_node *nn;
1103:
1104: if (MDOC_BODY != mdoc->last->type)
1105: return(1);
1106:
1107: for (nn = mdoc->last->child; nn; nn = nn->next)
1108: switch (nn->tok) {
1.50 kristaps 1109: case(MDOC__U):
1110: /* FALLTHROUGH */
1.43 kristaps 1111: case(MDOC__Q):
1112: /* FALLTHROUGH */
1113: case(MDOC__C):
1114: /* FALLTHROUGH */
1115: case(MDOC__A):
1116: /* FALLTHROUGH */
1117: case(MDOC__B):
1118: /* FALLTHROUGH */
1119: case(MDOC__D):
1120: /* FALLTHROUGH */
1121: case(MDOC__I):
1122: /* FALLTHROUGH */
1123: case(MDOC__J):
1124: /* FALLTHROUGH */
1125: case(MDOC__N):
1126: /* FALLTHROUGH */
1127: case(MDOC__O):
1128: /* FALLTHROUGH */
1129: case(MDOC__P):
1130: /* FALLTHROUGH */
1131: case(MDOC__R):
1132: /* FALLTHROUGH */
1133: case(MDOC__T):
1134: /* FALLTHROUGH */
1135: case(MDOC__V):
1136: break;
1137: default:
1138: return(mdoc_nerr(mdoc, nn, EBADCHILD));
1139: }
1140:
1141: return(1);
1142: }
1143:
1144:
1145: static int
1.1 kristaps 1146: post_sh(POST_ARGS)
1147: {
1148:
1149: if (MDOC_HEAD == mdoc->last->type)
1150: return(post_sh_head(mdoc));
1151: if (MDOC_BODY == mdoc->last->type)
1152: return(post_sh_body(mdoc));
1153:
1154: return(1);
1155: }
1156:
1157:
1158: static int
1159: post_sh_body(POST_ARGS)
1160: {
1161: struct mdoc_node *n;
1162:
1.29 kristaps 1163: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1164: return(1);
1165:
1166: /*
1167: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1168: * macros (can have multiple `Nm' and one `Nd'). Note that the
1169: * children of the BODY declaration can also be "text".
1170: */
1171:
1172: if (NULL == (n = mdoc->last->child))
1.23 kristaps 1173: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1174:
1175: for ( ; n && n->next; n = n->next) {
1176: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1177: continue;
1.28 kristaps 1178: if (MDOC_TEXT == n->type)
1179: continue;
1.23 kristaps 1180: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
1.1 kristaps 1181: return(0);
1182: }
1183:
1.41 kristaps 1184: assert(n);
1.27 kristaps 1185: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1186: return(1);
1.23 kristaps 1187: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1188: }
1189:
1190:
1191: static int
1192: post_sh_head(POST_ARGS)
1193: {
1.2 kristaps 1194: char buf[64];
1195: enum mdoc_sec sec;
1196: const struct mdoc_node *n;
1.1 kristaps 1197:
1198: /*
1199: * Process a new section. Sections are either "named" or
1200: * "custom"; custom sections are user-defined, while named ones
1201: * usually follow a conventional order and may only appear in
1202: * certain manual sections.
1203: */
1204:
1.12 kristaps 1205: buf[0] = 0;
1.1 kristaps 1206:
1.2 kristaps 1207: for (n = mdoc->last->child; n; n = n->next) {
1.12 kristaps 1208: /* XXX - copied from compact(). */
1.2 kristaps 1209: assert(MDOC_TEXT == n->type);
1.12 kristaps 1210:
1.2 kristaps 1211: if (strlcat(buf, n->string, 64) >= 64)
1.23 kristaps 1212: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.2 kristaps 1213: if (NULL == n->next)
1214: continue;
1215: if (strlcat(buf, " ", 64) >= 64)
1.23 kristaps 1216: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.2 kristaps 1217: }
1.1 kristaps 1218:
1.72 kristaps 1219: sec = mdoc_str2sec(buf);
1.1 kristaps 1220:
1.12 kristaps 1221: /*
1222: * Check: NAME should always be first, CUSTOM has no roles,
1223: * non-CUSTOM has a conventional order to be followed.
1224: */
1.1 kristaps 1225:
1.72 kristaps 1226: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1227: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECNAME))
1228: return(0);
1229:
1.1 kristaps 1230: if (SEC_CUSTOM == sec)
1231: return(1);
1.72 kristaps 1232:
1.1 kristaps 1233: if (sec == mdoc->lastnamed)
1.26 kristaps 1234: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
1235: return(0);
1.72 kristaps 1236:
1.1 kristaps 1237: if (sec < mdoc->lastnamed)
1.26 kristaps 1238: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
1239: return(0);
1.1 kristaps 1240:
1.12 kristaps 1241: /*
1242: * Check particular section/manual conventions. LIBRARY can
1.78 ! kristaps 1243: * only occur in manual section 2, 3, and 9.
1.12 kristaps 1244: */
1.1 kristaps 1245:
1246: switch (sec) {
1247: case (SEC_LIBRARY):
1.78 ! kristaps 1248: assert(mdoc->meta.msec);
! 1249: if (*mdoc->meta.msec == '2')
! 1250: break;
! 1251: if (*mdoc->meta.msec == '3')
! 1252: break;
! 1253: if (*mdoc->meta.msec == '9')
1.1 kristaps 1254: break;
1.78 ! kristaps 1255: return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
1.1 kristaps 1256: default:
1257: break;
1258: }
1259:
1260: return(1);
1261: }
CVSweb