Annotation of mandoc/mdoc_validate.c, Revision 1.131
1.131 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.130 2010/11/30 10:32:05 kristaps Exp $ */
1.1 kristaps 2: /*
1.110 schwarze 3: * Copyright (c) 2008, 2009, 2010 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>
1.81 kristaps 26: #include <stdio.h>
1.1 kristaps 27: #include <stdlib.h>
1.2 kristaps 28: #include <string.h>
1.1 kristaps 29:
1.79 kristaps 30: #include "mandoc.h"
1.1 kristaps 31: #include "libmdoc.h"
1.18 kristaps 32: #include "libmandoc.h"
1.1 kristaps 33:
34: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
35:
1.91 kristaps 36: #define PRE_ARGS struct mdoc *mdoc, struct mdoc_node *n
1.32 kristaps 37: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 38:
1.131 ! kristaps 39: #define NUMSIZ 32
! 40: #define DATESIZ 32
! 41:
1.120 kristaps 42: enum check_ineq {
43: CHECK_LT,
44: CHECK_GT,
45: CHECK_EQ
46: };
47:
48: enum check_lvl {
49: CHECK_WARN,
50: CHECK_ERROR,
51: CHECK_FATAL
52: };
53:
1.1 kristaps 54: typedef int (*v_pre)(PRE_ARGS);
55: typedef int (*v_post)(POST_ARGS);
56:
57: struct valids {
58: v_pre *pre;
59: v_post *post;
60: };
61:
1.120 kristaps 62: static int check_count(struct mdoc *, enum mdoc_type,
63: enum check_lvl, enum check_ineq, int);
1.59 kristaps 64: static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
1.32 kristaps 65: static int check_stdarg(PRE_ARGS);
1.92 kristaps 66: static int check_text(struct mdoc *, int, int, char *);
1.32 kristaps 67: static int check_argv(struct mdoc *,
1.92 kristaps 68: struct mdoc_node *, struct mdoc_argv *);
69: static int check_args(struct mdoc *, struct mdoc_node *);
1.32 kristaps 70:
1.120 kristaps 71: static int ebool(POST_ARGS);
1.32 kristaps 72: static int berr_ge1(POST_ARGS);
73: static int bwarn_ge1(POST_ARGS);
1.120 kristaps 74: static int eerr_eq0(POST_ARGS);
1.32 kristaps 75: static int eerr_eq1(POST_ARGS);
76: static int eerr_ge1(POST_ARGS);
1.46 kristaps 77: static int eerr_le1(POST_ARGS);
1.116 kristaps 78: static int ewarn_eq0(POST_ARGS);
1.32 kristaps 79: static int ewarn_ge1(POST_ARGS);
80: static int herr_eq0(POST_ARGS);
81: static int herr_ge1(POST_ARGS);
1.120 kristaps 82: static int hwarn_eq0(POST_ARGS);
1.32 kristaps 83: static int hwarn_eq1(POST_ARGS);
84: static int hwarn_le1(POST_ARGS);
85:
86: static int post_an(POST_ARGS);
87: static int post_at(POST_ARGS);
88: static int post_bf(POST_ARGS);
89: static int post_bl(POST_ARGS);
1.131 ! kristaps 90: static int post_bl_block(POST_ARGS);
! 91: static int post_bl_block_width(POST_ARGS);
! 92: static int post_bl_block_tag(POST_ARGS);
1.32 kristaps 93: static int post_bl_head(POST_ARGS);
1.123 kristaps 94: static int post_defaults(POST_ARGS);
1.128 kristaps 95: static int post_literal(POST_ARGS);
1.123 kristaps 96: static int post_eoln(POST_ARGS);
1.85 kristaps 97: static int post_dt(POST_ARGS);
1.32 kristaps 98: static int post_it(POST_ARGS);
99: static int post_lb(POST_ARGS);
100: static int post_nm(POST_ARGS);
101: static int post_root(POST_ARGS);
1.43 kristaps 102: static int post_rs(POST_ARGS);
1.32 kristaps 103: static int post_sh(POST_ARGS);
104: static int post_sh_body(POST_ARGS);
105: static int post_sh_head(POST_ARGS);
106: static int post_st(POST_ARGS);
1.57 kristaps 107: static int post_vt(POST_ARGS);
1.32 kristaps 108: static int pre_an(PRE_ARGS);
109: static int pre_bd(PRE_ARGS);
110: static int pre_bl(PRE_ARGS);
111: static int pre_dd(PRE_ARGS);
112: static int pre_display(PRE_ARGS);
113: static int pre_dt(PRE_ARGS);
114: static int pre_it(PRE_ARGS);
1.128 kristaps 115: static int pre_literal(PRE_ARGS);
1.32 kristaps 116: static int pre_os(PRE_ARGS);
1.124 kristaps 117: static int pre_par(PRE_ARGS);
1.32 kristaps 118: static int pre_rv(PRE_ARGS);
119: static int pre_sh(PRE_ARGS);
120: static int pre_ss(PRE_ARGS);
121:
122: static v_post posts_an[] = { post_an, NULL };
1.126 kristaps 123: static v_post posts_at[] = { post_at, post_defaults, NULL };
1.128 kristaps 124: static v_post posts_bd[] = { post_literal, hwarn_eq0, bwarn_ge1, NULL };
1.32 kristaps 125: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
1.128 kristaps 126: static v_post posts_bk[] = { hwarn_eq0, bwarn_ge1, NULL };
1.32 kristaps 127: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
128: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
1.84 kristaps 129: static v_post posts_eoln[] = { post_eoln, NULL };
1.123 kristaps 130: static v_post posts_defaults[] = { post_defaults, NULL };
1.128 kristaps 131: static v_post posts_dl[] = { post_literal, bwarn_ge1, herr_eq0, NULL };
1.85 kristaps 132: static v_post posts_dt[] = { post_dt, NULL };
1.32 kristaps 133: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
134: static v_post posts_it[] = { post_it, NULL };
135: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
136: static v_post posts_nd[] = { berr_ge1, NULL };
137: static v_post posts_nm[] = { post_nm, NULL };
1.116 kristaps 138: static v_post posts_notext[] = { ewarn_eq0, NULL };
1.44 kristaps 139: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.32 kristaps 140: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.46 kristaps 141: static v_post posts_sp[] = { eerr_le1, NULL };
1.32 kristaps 142: static v_post posts_ss[] = { herr_ge1, NULL };
143: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
144: static v_post posts_text[] = { eerr_ge1, NULL };
1.51 kristaps 145: static v_post posts_text1[] = { eerr_eq1, NULL };
1.57 kristaps 146: static v_post posts_vt[] = { post_vt, NULL };
1.32 kristaps 147: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
148: static v_post posts_wtext[] = { ewarn_ge1, NULL };
149: static v_pre pres_an[] = { pre_an, NULL };
1.128 kristaps 150: static v_pre pres_bd[] = { pre_display, pre_bd, pre_literal, pre_par, NULL };
1.124 kristaps 151: static v_pre pres_bl[] = { pre_bl, pre_par, NULL };
1.32 kristaps 152: static v_pre pres_d1[] = { pre_display, NULL };
1.128 kristaps 153: static v_pre pres_dl[] = { pre_literal, pre_display, NULL };
1.32 kristaps 154: static v_pre pres_dd[] = { pre_dd, NULL };
155: static v_pre pres_dt[] = { pre_dt, NULL };
1.67 kristaps 156: static v_pre pres_er[] = { NULL, NULL };
1.76 kristaps 157: static v_pre pres_ex[] = { NULL, NULL };
1.77 kristaps 158: static v_pre pres_fd[] = { NULL, NULL };
1.32 kristaps 159: static v_pre pres_it[] = { pre_it, NULL };
160: static v_pre pres_os[] = { pre_os, NULL };
1.124 kristaps 161: static v_pre pres_pp[] = { pre_par, NULL };
1.32 kristaps 162: static v_pre pres_rv[] = { pre_rv, NULL };
163: static v_pre pres_sh[] = { pre_sh, NULL };
164: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 165:
166: const struct valids mdoc_valids[MDOC_MAX] = {
1.10 kristaps 167: { NULL, NULL }, /* Ap */
1.114 kristaps 168: { pres_dd, posts_wtext }, /* Dd */
1.85 kristaps 169: { pres_dt, posts_dt }, /* Dt */
1.1 kristaps 170: { pres_os, NULL }, /* Os */
171: { pres_sh, posts_sh }, /* Sh */
172: { pres_ss, posts_ss }, /* Ss */
1.117 kristaps 173: { pres_pp, posts_notext }, /* Pp */
1.1 kristaps 174: { pres_d1, posts_wline }, /* D1 */
1.128 kristaps 175: { pres_dl, posts_dl }, /* Dl */
176: { pres_bd, posts_bd }, /* Bd */
1.1 kristaps 177: { NULL, NULL }, /* Ed */
178: { pres_bl, posts_bl }, /* Bl */
179: { NULL, NULL }, /* El */
180: { pres_it, posts_it }, /* It */
181: { NULL, posts_text }, /* Ad */
182: { pres_an, posts_an }, /* An */
1.123 kristaps 183: { NULL, posts_defaults }, /* Ar */
1.69 kristaps 184: { NULL, posts_text }, /* Cd */
1.1 kristaps 185: { NULL, NULL }, /* Cm */
186: { NULL, NULL }, /* Dv */
187: { pres_er, posts_text }, /* Er */
188: { NULL, NULL }, /* Ev */
1.42 kristaps 189: { pres_ex, NULL }, /* Ex */
1.1 kristaps 190: { NULL, NULL }, /* Fa */
191: { pres_fd, posts_wtext }, /* Fd */
192: { NULL, NULL }, /* Fl */
193: { NULL, posts_text }, /* Fn */
194: { NULL, posts_wtext }, /* Ft */
195: { NULL, posts_text }, /* Ic */
1.51 kristaps 196: { NULL, posts_text1 }, /* In */
1.123 kristaps 197: { NULL, posts_defaults }, /* Li */
1.27 kristaps 198: { NULL, posts_nd }, /* Nd */
1.1 kristaps 199: { NULL, posts_nm }, /* Nm */
200: { NULL, posts_wline }, /* Op */
201: { NULL, NULL }, /* Ot */
1.129 kristaps 202: { NULL, posts_defaults }, /* Pa */
1.42 kristaps 203: { pres_rv, NULL }, /* Rv */
1.1 kristaps 204: { NULL, posts_st }, /* St */
205: { NULL, NULL }, /* Va */
1.57 kristaps 206: { NULL, posts_vt }, /* Vt */
1.84 kristaps 207: { NULL, posts_wtext }, /* Xr */
1.1 kristaps 208: { NULL, posts_text }, /* %A */
1.47 kristaps 209: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.54 kristaps 210: { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */
1.1 kristaps 211: { NULL, posts_text }, /* %I */
212: { NULL, posts_text }, /* %J */
213: { NULL, posts_text }, /* %N */
214: { NULL, posts_text }, /* %O */
215: { NULL, posts_text }, /* %P */
216: { NULL, posts_text }, /* %R */
1.47 kristaps 217: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 218: { NULL, posts_text }, /* %V */
219: { NULL, NULL }, /* Ac */
220: { NULL, NULL }, /* Ao */
221: { NULL, posts_wline }, /* Aq */
222: { NULL, posts_at }, /* At */
223: { NULL, NULL }, /* Bc */
224: { NULL, posts_bf }, /* Bf */
225: { NULL, NULL }, /* Bo */
226: { NULL, posts_wline }, /* Bq */
227: { NULL, NULL }, /* Bsx */
228: { NULL, NULL }, /* Bx */
229: { NULL, posts_bool }, /* Db */
230: { NULL, NULL }, /* Dc */
231: { NULL, NULL }, /* Do */
232: { NULL, posts_wline }, /* Dq */
233: { NULL, NULL }, /* Ec */
234: { NULL, NULL }, /* Ef */
235: { NULL, NULL }, /* Em */
236: { NULL, NULL }, /* Eo */
237: { NULL, NULL }, /* Fx */
238: { NULL, posts_text }, /* Ms */
239: { NULL, posts_notext }, /* No */
240: { NULL, posts_notext }, /* Ns */
241: { NULL, NULL }, /* Nx */
242: { NULL, NULL }, /* Ox */
243: { NULL, NULL }, /* Pc */
1.51 kristaps 244: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 245: { NULL, NULL }, /* Po */
246: { NULL, posts_wline }, /* Pq */
247: { NULL, NULL }, /* Qc */
248: { NULL, posts_wline }, /* Ql */
249: { NULL, NULL }, /* Qo */
250: { NULL, posts_wline }, /* Qq */
251: { NULL, NULL }, /* Re */
1.43 kristaps 252: { NULL, posts_rs }, /* Rs */
1.1 kristaps 253: { NULL, NULL }, /* Sc */
254: { NULL, NULL }, /* So */
255: { NULL, posts_wline }, /* Sq */
256: { NULL, posts_bool }, /* Sm */
257: { NULL, posts_text }, /* Sx */
258: { NULL, posts_text }, /* Sy */
259: { NULL, posts_text }, /* Tn */
260: { NULL, NULL }, /* Ux */
261: { NULL, NULL }, /* Xc */
262: { NULL, NULL }, /* Xo */
263: { NULL, posts_fo }, /* Fo */
264: { NULL, NULL }, /* Fc */
265: { NULL, NULL }, /* Oo */
266: { NULL, NULL }, /* Oc */
1.128 kristaps 267: { NULL, posts_bk }, /* Bk */
1.1 kristaps 268: { NULL, NULL }, /* Ek */
1.84 kristaps 269: { NULL, posts_eoln }, /* Bt */
1.1 kristaps 270: { NULL, NULL }, /* Hf */
271: { NULL, NULL }, /* Fr */
1.84 kristaps 272: { NULL, posts_eoln }, /* Ud */
1.83 kristaps 273: { NULL, posts_lb }, /* Lb */
1.34 kristaps 274: { NULL, posts_notext }, /* Lp */
1.51 kristaps 275: { NULL, posts_text }, /* Lk */
1.123 kristaps 276: { NULL, posts_defaults }, /* Mt */
1.1 kristaps 277: { NULL, posts_wline }, /* Brq */
278: { NULL, NULL }, /* Bro */
279: { NULL, NULL }, /* Brc */
280: { NULL, posts_text }, /* %C */
281: { NULL, NULL }, /* Es */
282: { NULL, NULL }, /* En */
283: { NULL, NULL }, /* Dx */
284: { NULL, posts_text }, /* %Q */
1.33 kristaps 285: { NULL, posts_notext }, /* br */
1.119 schwarze 286: { pres_pp, posts_sp }, /* sp */
1.51 kristaps 287: { NULL, posts_text1 }, /* %U */
1.88 kristaps 288: { NULL, NULL }, /* Ta */
1.1 kristaps 289: };
290:
1.122 kristaps 291: #define RSORD_MAX 14 /* Number of `Rs' blocks. */
292:
293: static const enum mdoct rsord[RSORD_MAX] = {
294: MDOC__A,
295: MDOC__T,
296: MDOC__B,
297: MDOC__I,
298: MDOC__J,
299: MDOC__R,
300: MDOC__N,
301: MDOC__V,
302: MDOC__P,
303: MDOC__Q,
304: MDOC__D,
305: MDOC__O,
306: MDOC__C,
307: MDOC__U
308: };
309:
1.1 kristaps 310:
311: int
1.91 kristaps 312: mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
1.1 kristaps 313: {
314: v_pre *p;
315: int line, pos;
1.92 kristaps 316: char *tp;
1.1 kristaps 317:
318: if (MDOC_TEXT == n->type) {
319: tp = n->string;
320: line = n->line;
321: pos = n->pos;
322: return(check_text(mdoc, line, pos, tp));
323: }
324:
325: if ( ! check_args(mdoc, n))
326: return(0);
327: if (NULL == mdoc_valids[n->tok].pre)
328: return(1);
329: for (p = mdoc_valids[n->tok].pre; *p; p++)
330: if ( ! (*p)(mdoc, n))
331: return(0);
332: return(1);
333: }
334:
335:
336: int
337: mdoc_valid_post(struct mdoc *mdoc)
338: {
339: v_post *p;
340:
341: if (MDOC_VALID & mdoc->last->flags)
342: return(1);
343: mdoc->last->flags |= MDOC_VALID;
344:
345: if (MDOC_TEXT == mdoc->last->type)
346: return(1);
347: if (MDOC_ROOT == mdoc->last->type)
348: return(post_root(mdoc));
349:
350: if (NULL == mdoc_valids[mdoc->last->tok].post)
351: return(1);
352: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
353: if ( ! (*p)(mdoc))
354: return(0);
355:
356: return(1);
357: }
358:
1.120 kristaps 359: static int
360: check_count(struct mdoc *m, enum mdoc_type type,
361: enum check_lvl lvl, enum check_ineq ineq, int val)
362: {
363: const char *p;
364:
365: if (m->last->type != type)
366: return(1);
367:
368: switch (ineq) {
369: case (CHECK_LT):
370: p = "less than ";
371: if (m->last->nchild < val)
372: return(1);
373: break;
374: case (CHECK_GT):
375: p = "greater than ";
376: if (m->last->nchild > val)
377: return(1);
378: break;
379: case (CHECK_EQ):
380: p = "";
381: if (val == m->last->nchild)
382: return(1);
383: break;
384: }
385:
386: if (CHECK_WARN == lvl) {
387: return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
388: m->last->line, m->last->pos,
389: "want %s%d children (have %d)",
390: p, val, m->last->nchild));
391: }
392:
393: return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
394: m->last->line, m->last->pos,
395: "require %s%d children (have %d)",
396: p, val, m->last->nchild));
397: }
398:
399: static int
400: berr_ge1(POST_ARGS)
401: {
402:
403: return(check_count(mdoc, MDOC_BODY, CHECK_FATAL, CHECK_GT, 0));
404: }
405:
406: static int
407: bwarn_ge1(POST_ARGS)
408: {
409: return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0));
410: }
411:
412: static int
413: eerr_eq0(POST_ARGS)
414: {
415: return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 0));
416: }
1.1 kristaps 417:
1.120 kristaps 418: static int
419: eerr_eq1(POST_ARGS)
1.1 kristaps 420: {
1.120 kristaps 421: return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 1));
422: }
1.1 kristaps 423:
1.120 kristaps 424: static int
425: eerr_ge1(POST_ARGS)
426: {
427: return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_GT, 0));
1.1 kristaps 428: }
429:
1.120 kristaps 430: static int
431: eerr_le1(POST_ARGS)
432: {
433: return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_LT, 2));
434: }
1.1 kristaps 435:
1.120 kristaps 436: static int
437: ewarn_eq0(POST_ARGS)
1.1 kristaps 438: {
1.120 kristaps 439: return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0));
440: }
1.1 kristaps 441:
1.120 kristaps 442: static int
443: ewarn_ge1(POST_ARGS)
444: {
445: return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0));
1.1 kristaps 446: }
447:
1.120 kristaps 448: static int
449: herr_eq0(POST_ARGS)
450: {
451: return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_EQ, 0));
452: }
1.1 kristaps 453:
1.120 kristaps 454: static int
455: herr_ge1(POST_ARGS)
456: {
457: return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_GT, 0));
458: }
1.1 kristaps 459:
1.120 kristaps 460: static int
461: hwarn_eq0(POST_ARGS)
462: {
463: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0));
1.1 kristaps 464: }
465:
1.120 kristaps 466: static int
467: hwarn_eq1(POST_ARGS)
468: {
469: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 1));
470: }
1.1 kristaps 471:
1.120 kristaps 472: static int
473: hwarn_le1(POST_ARGS)
474: {
475: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_LT, 2));
476: }
1.1 kristaps 477:
478:
479: static int
480: check_stdarg(PRE_ARGS)
481: {
482:
483: if (n->args && 1 == n->args->argc)
484: if (MDOC_Std == n->args->argv[0].arg)
485: return(1);
1.79 kristaps 486: return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));
1.1 kristaps 487: }
488:
489:
490: static int
1.92 kristaps 491: check_args(struct mdoc *m, struct mdoc_node *n)
1.1 kristaps 492: {
493: int i;
494:
495: if (NULL == n->args)
496: return(1);
497:
498: assert(n->args->argc);
499: for (i = 0; i < (int)n->args->argc; i++)
500: if ( ! check_argv(m, n, &n->args->argv[i]))
501: return(0);
502:
503: return(1);
504: }
505:
506:
507: static int
1.92 kristaps 508: check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v)
1.1 kristaps 509: {
510: int i;
511:
512: for (i = 0; i < (int)v->sz; i++)
513: if ( ! check_text(m, v->line, v->pos, v->value[i]))
514: return(0);
515:
516: if (MDOC_Std == v->arg) {
517: if (v->sz || m->meta.name)
518: return(1);
1.79 kristaps 519: if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
520: return(0);
1.1 kristaps 521: }
522:
523: return(1);
524: }
525:
526:
527: static int
1.112 kristaps 528: check_text(struct mdoc *m, int ln, int pos, char *p)
1.1 kristaps 529: {
1.18 kristaps 530: int c;
1.112 kristaps 531: size_t sz;
1.102 kristaps 532:
1.112 kristaps 533: for ( ; *p; p++, pos++) {
534: sz = strcspn(p, "\t\\");
535: p += (int)sz;
536:
537: if ('\0' == *p)
538: break;
539:
540: pos += (int)sz;
1.1 kristaps 541:
542: if ('\t' == *p) {
1.112 kristaps 543: if (MDOC_LITERAL & m->flags)
544: continue;
545: if (mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB))
546: continue;
547: return(0);
548: }
1.1 kristaps 549:
1.112 kristaps 550: /* Check the special character. */
1.1 kristaps 551:
1.18 kristaps 552: c = mandoc_special(p);
1.1 kristaps 553: if (c) {
1.18 kristaps 554: p += c - 1;
555: pos += c - 1;
1.115 schwarze 556: } else
557: mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE);
1.1 kristaps 558: }
559:
560: return(1);
561: }
562:
563:
564: static int
1.59 kristaps 565: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 566: {
567:
568: assert(n->parent);
569: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
570: (t == n->parent->type))
571: return(1);
572:
1.79 kristaps 573: mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
574: n->line, n->pos, "want parent %s",
575: MDOC_ROOT == t ? "<root>" :
576: mdoc_macronames[tok]);
577: return(0);
1.1 kristaps 578: }
579:
580:
581: static int
582: pre_display(PRE_ARGS)
583: {
584: struct mdoc_node *node;
585:
586: /* Display elements (`Bd', `D1'...) cannot be nested. */
587:
588: if (MDOC_BLOCK != n->type)
589: return(1);
590:
591: /* LINTED */
592: for (node = mdoc->last->parent; node; node = node->parent)
593: if (MDOC_BLOCK == node->type)
594: if (MDOC_Bd == node->tok)
595: break;
1.128 kristaps 596:
1.1 kristaps 597: if (NULL == node)
598: return(1);
599:
1.79 kristaps 600: mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
601: return(0);
1.1 kristaps 602: }
603:
604:
605: static int
606: pre_bl(PRE_ARGS)
607: {
1.104 kristaps 608: int i, comp, dup;
609: const char *offs, *width;
610: enum mdoc_list lt;
611: struct mdoc_node *np;
1.1 kristaps 612:
1.91 kristaps 613: if (MDOC_BLOCK != n->type) {
1.104 kristaps 614: if (ENDBODY_NOT != n->end) {
615: assert(n->pending);
616: np = n->pending->parent;
617: } else
618: np = n->parent;
619:
620: assert(np);
621: assert(MDOC_BLOCK == np->type);
622: assert(MDOC_Bl == np->tok);
623: assert(np->data.Bl);
624: n->data.Bl = np->data.Bl;
1.1 kristaps 625: return(1);
1.79 kristaps 626: }
1.1 kristaps 627:
1.91 kristaps 628: /*
629: * First figure out which kind of list to use: bind ourselves to
630: * the first mentioned list type and warn about any remaining
631: * ones. If we find no list type, we default to LIST_item.
632: */
1.1 kristaps 633:
1.104 kristaps 634: assert(NULL == n->data.Bl);
635: n->data.Bl = mandoc_calloc(1, sizeof(struct mdoc_bl));
1.1 kristaps 636:
637: /* LINTED */
1.91 kristaps 638: for (i = 0; n->args && i < (int)n->args->argc; i++) {
639: lt = LIST__NONE;
1.97 kristaps 640: dup = comp = 0;
1.99 kristaps 641: width = offs = NULL;
1.91 kristaps 642: switch (n->args->argv[i].arg) {
643: /* Set list types. */
1.1 kristaps 644: case (MDOC_Bullet):
1.91 kristaps 645: lt = LIST_bullet;
646: break;
1.1 kristaps 647: case (MDOC_Dash):
1.91 kristaps 648: lt = LIST_dash;
649: break;
1.1 kristaps 650: case (MDOC_Enum):
1.91 kristaps 651: lt = LIST_enum;
652: break;
1.1 kristaps 653: case (MDOC_Hyphen):
1.91 kristaps 654: lt = LIST_hyphen;
655: break;
1.1 kristaps 656: case (MDOC_Item):
1.91 kristaps 657: lt = LIST_item;
658: break;
1.1 kristaps 659: case (MDOC_Tag):
1.91 kristaps 660: lt = LIST_tag;
661: break;
1.1 kristaps 662: case (MDOC_Diag):
1.91 kristaps 663: lt = LIST_diag;
664: break;
1.1 kristaps 665: case (MDOC_Hang):
1.91 kristaps 666: lt = LIST_hang;
667: break;
1.1 kristaps 668: case (MDOC_Ohang):
1.91 kristaps 669: lt = LIST_ohang;
670: break;
1.1 kristaps 671: case (MDOC_Inset):
1.91 kristaps 672: lt = LIST_inset;
673: break;
1.1 kristaps 674: case (MDOC_Column):
1.91 kristaps 675: lt = LIST_column;
676: break;
677: /* Set list arguments. */
1.45 kristaps 678: case (MDOC_Compact):
1.104 kristaps 679: dup = n->data.Bl->comp;
1.97 kristaps 680: comp = 1;
1.91 kristaps 681: break;
1.1 kristaps 682: case (MDOC_Width):
1.104 kristaps 683: dup = (NULL != n->data.Bl->width);
1.99 kristaps 684: width = n->args->argv[i].value[0];
1.8 kristaps 685: break;
1.1 kristaps 686: case (MDOC_Offset):
1.98 kristaps 687: /* NB: this can be empty! */
688: if (n->args->argv[i].sz) {
689: offs = n->args->argv[i].value[0];
1.104 kristaps 690: dup = (NULL != n->data.Bl->offs);
1.98 kristaps 691: break;
692: }
693: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
694: return(0);
1.1 kristaps 695: break;
1.113 kristaps 696: default:
697: continue;
1.1 kristaps 698: }
699:
1.91 kristaps 700: /* Check: duplicate auxiliary arguments. */
701:
1.97 kristaps 702: if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
703: return(0);
704:
705: if (comp && ! dup)
1.104 kristaps 706: n->data.Bl->comp = comp;
1.98 kristaps 707: if (offs && ! dup)
1.104 kristaps 708: n->data.Bl->offs = offs;
1.99 kristaps 709: if (width && ! dup)
1.104 kristaps 710: n->data.Bl->width = width;
1.91 kristaps 711:
712: /* Check: multiple list types. */
713:
1.104 kristaps 714: if (LIST__NONE != lt && n->data.Bl->type != LIST__NONE)
1.91 kristaps 715: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
716: return(0);
717:
718: /* Assign list type. */
719:
1.109 kristaps 720: if (LIST__NONE != lt && n->data.Bl->type == LIST__NONE) {
1.104 kristaps 721: n->data.Bl->type = lt;
1.109 kristaps 722: /* Set column information, too. */
723: if (LIST_column == lt) {
724: n->data.Bl->ncols =
725: n->args->argv[i].sz;
726: n->data.Bl->cols = (const char **)
727: n->args->argv[i].value;
728: }
729: }
1.91 kristaps 730:
731: /* The list type should come first. */
732:
1.104 kristaps 733: if (n->data.Bl->type == LIST__NONE)
734: if (n->data.Bl->width ||
735: n->data.Bl->offs ||
736: n->data.Bl->comp)
1.91 kristaps 737: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
738: return(0);
739:
740: continue;
741: }
742:
743: /* Allow lists to default to LIST_item. */
744:
1.104 kristaps 745: if (LIST__NONE == n->data.Bl->type) {
1.91 kristaps 746: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
747: return(0);
1.104 kristaps 748: n->data.Bl->type = LIST_item;
1.79 kristaps 749: }
1.1 kristaps 750:
1.8 kristaps 751: /*
752: * Validate the width field. Some list types don't need width
753: * types and should be warned about them. Others should have it
754: * and must also be warned.
755: */
756:
1.104 kristaps 757: switch (n->data.Bl->type) {
1.91 kristaps 758: case (LIST_tag):
1.104 kristaps 759: if (n->data.Bl->width)
1.91 kristaps 760: break;
761: if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
762: break;
763: return(0);
764: case (LIST_column):
1.1 kristaps 765: /* FALLTHROUGH */
1.91 kristaps 766: case (LIST_diag):
1.1 kristaps 767: /* FALLTHROUGH */
1.91 kristaps 768: case (LIST_ohang):
1.53 kristaps 769: /* FALLTHROUGH */
1.91 kristaps 770: case (LIST_inset):
1.1 kristaps 771: /* FALLTHROUGH */
1.91 kristaps 772: case (LIST_item):
1.104 kristaps 773: if (NULL == n->data.Bl->width)
1.91 kristaps 774: break;
775: if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
776: break;
777: return(0);
1.8 kristaps 778: default:
779: break;
780: }
781:
1.1 kristaps 782: return(1);
783: }
784:
785:
786: static int
787: pre_bd(PRE_ARGS)
788: {
1.104 kristaps 789: int i, dup, comp;
790: enum mdoc_disp dt;
791: const char *offs;
792: struct mdoc_node *np;
1.1 kristaps 793:
1.93 kristaps 794: if (MDOC_BLOCK != n->type) {
1.104 kristaps 795: if (ENDBODY_NOT != n->end) {
796: assert(n->pending);
797: np = n->pending->parent;
798: } else
799: np = n->parent;
800:
801: assert(np);
802: assert(MDOC_BLOCK == np->type);
803: assert(MDOC_Bd == np->tok);
804: assert(np->data.Bd);
805: n->data.Bd = np->data.Bd;
1.1 kristaps 806: return(1);
1.79 kristaps 807: }
1.1 kristaps 808:
1.104 kristaps 809: assert(NULL == n->data.Bd);
810: n->data.Bd = mandoc_calloc(1, sizeof(struct mdoc_bd));
1.1 kristaps 811:
812: /* LINTED */
1.93 kristaps 813: for (i = 0; n->args && i < (int)n->args->argc; i++) {
814: dt = DISP__NONE;
1.94 kristaps 815: dup = comp = 0;
816: offs = NULL;
817:
1.1 kristaps 818: switch (n->args->argv[i].arg) {
1.49 kristaps 819: case (MDOC_Centred):
1.93 kristaps 820: dt = DISP_centred;
821: break;
1.1 kristaps 822: case (MDOC_Ragged):
1.93 kristaps 823: dt = DISP_ragged;
824: break;
1.1 kristaps 825: case (MDOC_Unfilled):
1.93 kristaps 826: dt = DISP_unfilled;
827: break;
1.1 kristaps 828: case (MDOC_Filled):
1.93 kristaps 829: dt = DISP_filled;
830: break;
1.1 kristaps 831: case (MDOC_Literal):
1.93 kristaps 832: dt = DISP_literal;
1.79 kristaps 833: break;
1.93 kristaps 834: case (MDOC_File):
835: mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
836: return(0);
837: case (MDOC_Offset):
1.94 kristaps 838: /* NB: this can be empty! */
839: if (n->args->argv[i].sz) {
840: offs = n->args->argv[i].value[0];
1.104 kristaps 841: dup = (NULL != n->data.Bd->offs);
1.94 kristaps 842: break;
843: }
1.95 kristaps 844: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
845: return(0);
1.94 kristaps 846: break;
1.93 kristaps 847: case (MDOC_Compact):
1.94 kristaps 848: comp = 1;
1.104 kristaps 849: dup = n->data.Bd->comp;
1.94 kristaps 850: break;
1.1 kristaps 851: default:
1.94 kristaps 852: abort();
853: /* NOTREACHED */
1.1 kristaps 854: }
855:
1.94 kristaps 856: /* Check whether we have duplicates. */
857:
858: if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
859: return(0);
860:
861: /* Make our auxiliary assignments. */
862:
863: if (offs && ! dup)
1.104 kristaps 864: n->data.Bd->offs = offs;
1.94 kristaps 865: if (comp && ! dup)
1.104 kristaps 866: n->data.Bd->comp = comp;
1.94 kristaps 867:
868: /* Check whether a type has already been assigned. */
869:
1.104 kristaps 870: if (DISP__NONE != dt && n->data.Bd->type != DISP__NONE)
1.93 kristaps 871: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
872: return(0);
873:
1.94 kristaps 874: /* Make our type assignment. */
875:
1.104 kristaps 876: if (DISP__NONE != dt && n->data.Bd->type == DISP__NONE)
877: n->data.Bd->type = dt;
1.93 kristaps 878: }
879:
1.104 kristaps 880: if (DISP__NONE == n->data.Bd->type) {
1.93 kristaps 881: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE))
882: return(0);
1.104 kristaps 883: n->data.Bd->type = DISP_ragged;
1.93 kristaps 884: }
885:
886: return(1);
1.1 kristaps 887: }
888:
889:
890: static int
891: pre_ss(PRE_ARGS)
892: {
893:
894: if (MDOC_BLOCK != n->type)
895: return(1);
896: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
897: }
898:
899:
900: static int
901: pre_sh(PRE_ARGS)
902: {
903:
904: if (MDOC_BLOCK != n->type)
905: return(1);
1.100 kristaps 906:
907: mdoc->regs->regs[(int)REG_nS].set = 0;
1.70 kristaps 908: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 909: }
910:
911:
912: static int
913: pre_it(PRE_ARGS)
914: {
915:
916: if (MDOC_BLOCK != n->type)
917: return(1);
1.79 kristaps 918: /*
919: * FIXME: this can probably be lifted if we make the It into
920: * something else on-the-fly?
921: */
1.1 kristaps 922: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
923: }
924:
925:
926: static int
927: pre_an(PRE_ARGS)
928: {
1.121 kristaps 929: int i;
1.1 kristaps 930:
1.107 kristaps 931: if (NULL == n->args)
1.1 kristaps 932: return(1);
1.121 kristaps 933:
934: for (i = 1; i < (int)n->args->argc; i++)
935: if ( ! mdoc_pmsg(mdoc, n->args->argv[i].line,
936: n->args->argv[i].pos, MANDOCERR_IGNARGV))
1.107 kristaps 937: return(0);
1.120 kristaps 938:
1.107 kristaps 939: if (MDOC_Split == n->args->argv[0].arg)
940: n->data.An.auth = AUTH_split;
941: else if (MDOC_Nosplit == n->args->argv[0].arg)
942: n->data.An.auth = AUTH_nosplit;
943: else
944: abort();
945:
946: return(1);
1.1 kristaps 947: }
948:
949:
950: static int
951: pre_rv(PRE_ARGS)
952: {
953:
954: return(check_stdarg(mdoc, n));
955: }
956:
957:
958: static int
1.85 kristaps 959: post_dt(POST_ARGS)
960: {
961: const struct mdoc_node *nn;
962: const char *p;
963:
964: if (NULL != (nn = mdoc->last->child))
965: for (p = nn->string; *p; p++) {
1.86 kristaps 966: if (toupper((u_char)*p) == *p)
1.85 kristaps 967: continue;
968: if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
969: return(0);
970: break;
971: }
972:
973: return(1);
974: }
975:
976:
977: static int
1.1 kristaps 978: pre_dt(PRE_ARGS)
979: {
1.54 kristaps 980:
1.1 kristaps 981: if (0 == mdoc->meta.date || mdoc->meta.os)
1.79 kristaps 982: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 983: return(0);
984: if (mdoc->meta.title)
1.79 kristaps 985: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 986: return(0);
987: return(1);
988: }
989:
990:
991: static int
992: pre_os(PRE_ARGS)
993: {
994:
995: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.79 kristaps 996: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 997: return(0);
998: if (mdoc->meta.os)
1.79 kristaps 999: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 1000: return(0);
1001: return(1);
1002: }
1003:
1004:
1005: static int
1006: pre_dd(PRE_ARGS)
1007: {
1008:
1009: if (mdoc->meta.title || mdoc->meta.os)
1.79 kristaps 1010: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 1011: return(0);
1012: if (mdoc->meta.date)
1.79 kristaps 1013: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 1014: return(0);
1015: return(1);
1016: }
1017:
1018:
1019: static int
1020: post_bf(POST_ARGS)
1021: {
1.105 kristaps 1022: struct mdoc_node *np;
1.113 kristaps 1023: enum mdocargt arg;
1.105 kristaps 1024:
1025: /*
1026: * Unlike other data pointers, these are "housed" by the HEAD
1027: * element, which contains the goods.
1028: */
1.1 kristaps 1029:
1.105 kristaps 1030: if (MDOC_HEAD != mdoc->last->type) {
1031: if (ENDBODY_NOT != mdoc->last->end) {
1032: assert(mdoc->last->pending);
1033: np = mdoc->last->pending->parent->head;
1034: } else if (MDOC_BLOCK != mdoc->last->type) {
1035: np = mdoc->last->parent->head;
1036: } else
1037: np = mdoc->last->head;
1038:
1039: assert(np);
1040: assert(MDOC_HEAD == np->type);
1041: assert(MDOC_Bf == np->tok);
1042: assert(np->data.Bf);
1043: mdoc->last->data.Bf = np->data.Bf;
1.1 kristaps 1044: return(1);
1.105 kristaps 1045: }
1.1 kristaps 1046:
1.105 kristaps 1047: np = mdoc->last;
1.106 kristaps 1048: assert(MDOC_BLOCK == np->parent->type);
1049: assert(MDOC_Bf == np->parent->tok);
1.105 kristaps 1050: np->data.Bf = mandoc_calloc(1, sizeof(struct mdoc_bf));
1.1 kristaps 1051:
1.105 kristaps 1052: /*
1053: * Cannot have both argument and parameter.
1054: * If neither is specified, let it through with a warning.
1055: */
1056:
1.106 kristaps 1057: if (np->parent->args && np->child) {
1.105 kristaps 1058: mdoc_nmsg(mdoc, np, MANDOCERR_SYNTARGVCOUNT);
1.79 kristaps 1059: return(0);
1.106 kristaps 1060: } else if (NULL == np->parent->args && NULL == np->child)
1.105 kristaps 1061: return(mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE));
1062:
1063: /* Extract argument into data. */
1064:
1.106 kristaps 1065: if (np->parent->args) {
1066: arg = np->parent->args->argv[0].arg;
1.105 kristaps 1067: if (MDOC_Emphasis == arg)
1068: np->data.Bf->font = FONT_Em;
1069: else if (MDOC_Literal == arg)
1070: np->data.Bf->font = FONT_Li;
1071: else if (MDOC_Symbolic == arg)
1072: np->data.Bf->font = FONT_Sy;
1073: else
1074: abort();
1.13 kristaps 1075: return(1);
1.79 kristaps 1076: }
1.1 kristaps 1077:
1.105 kristaps 1078: /* Extract parameter into data. */
1.1 kristaps 1079:
1.105 kristaps 1080: if (0 == strcmp(np->child->string, "Em"))
1081: np->data.Bf->font = FONT_Em;
1082: else if (0 == strcmp(np->child->string, "Li"))
1083: np->data.Bf->font = FONT_Li;
1084: else if (0 == strcmp(np->child->string, "Sy"))
1085: np->data.Bf->font = FONT_Sy;
1086: else if ( ! mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE))
1087: return(0);
1.1 kristaps 1088:
1.105 kristaps 1089: return(1);
1.1 kristaps 1090: }
1091:
1092: static int
1.31 kristaps 1093: post_lb(POST_ARGS)
1094: {
1.127 kristaps 1095: const char *p;
1096: char *buf;
1097: size_t sz;
1098:
1099: assert(mdoc->last->child);
1100: assert(MDOC_TEXT == mdoc->last->child->type);
1101:
1102: p = mdoc_a2lib(mdoc->last->child->string);
1103:
1104: /* If lookup ok, replace with table value. */
1.31 kristaps 1105:
1.127 kristaps 1106: if (p) {
1107: free(mdoc->last->child->string);
1108: mdoc->last->child->string = mandoc_strdup(p);
1.31 kristaps 1109: return(1);
1.127 kristaps 1110: }
1111:
1112: /* If not, use "library ``xxxx''. */
1113:
1114: sz = strlen(mdoc->last->child->string) +
1115: 2 + strlen("\\(lqlibrary\\(rq");
1116: buf = mandoc_malloc(sz);
1117: snprintf(buf, sz, "library \\(lq%s\\(rq",
1118: mdoc->last->child->string);
1119: free(mdoc->last->child->string);
1120: mdoc->last->child->string = buf;
1121: return(1);
1.84 kristaps 1122: }
1123:
1124: static int
1125: post_eoln(POST_ARGS)
1126: {
1127:
1128: if (NULL == mdoc->last->child)
1129: return(1);
1130: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST));
1.31 kristaps 1131: }
1132:
1133:
1134: static int
1.57 kristaps 1135: post_vt(POST_ARGS)
1136: {
1137: const struct mdoc_node *n;
1138:
1139: /*
1140: * The Vt macro comes in both ELEM and BLOCK form, both of which
1141: * have different syntaxes (yet more context-sensitive
1142: * behaviour). ELEM types must have a child; BLOCK types,
1143: * specifically the BODY, should only have TEXT children.
1144: */
1145:
1146: if (MDOC_ELEM == mdoc->last->type)
1147: return(eerr_ge1(mdoc));
1148: if (MDOC_BODY != mdoc->last->type)
1149: return(1);
1150:
1151: for (n = mdoc->last->child; n; n = n->next)
1152: if (MDOC_TEXT != n->type)
1.79 kristaps 1153: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1.57 kristaps 1154: return(0);
1155:
1156: return(1);
1157: }
1158:
1159:
1160: static int
1.1 kristaps 1161: post_nm(POST_ARGS)
1162: {
1.129 kristaps 1163: struct mdoc_node *nn;
1164: char buf[BUFSIZ];
1165:
1166: /* If no child specified, make sure we have the meta name. */
1.1 kristaps 1167:
1.129 kristaps 1168: if (NULL == mdoc->last->child && NULL == mdoc->meta.name) {
1169: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME);
1.1 kristaps 1170: return(1);
1.129 kristaps 1171: } else if (mdoc->meta.name)
1.1 kristaps 1172: return(1);
1.129 kristaps 1173:
1174: /* If no meta name, set it from the child. */
1175:
1176: buf[0] = '\0';
1177:
1178: for (nn = mdoc->last->child; nn; nn = nn->next) {
1179: /* XXX - copied from concat(). */
1180: assert(MDOC_TEXT == nn->type);
1181:
1182: if (strlcat(buf, nn->string, BUFSIZ) >= BUFSIZ) {
1183: mdoc_nmsg(mdoc, nn, MANDOCERR_MEM);
1184: return(0);
1185: }
1186:
1187: if (NULL == nn->next)
1188: continue;
1189:
1190: if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
1191: mdoc_nmsg(mdoc, nn, MANDOCERR_MEM);
1192: return(0);
1193: }
1194: }
1195:
1196: mdoc->meta.name = mandoc_strdup(buf);
1197: return(1);
1.1 kristaps 1198: }
1199:
1.123 kristaps 1200: static int
1.128 kristaps 1201: post_literal(POST_ARGS)
1202: {
1203:
1204: /*
1205: * The `Dl' (note "el" not "one") and `Bd' macros unset the
1206: * MDOC_LITERAL flag as they leave. Note that `Bd' only sets
1207: * this in literal mode, but it doesn't hurt to just switch it
1208: * off in general since displays can't be nested.
1209: */
1210:
1211: if (MDOC_BODY == mdoc->last->type)
1212: mdoc->last->flags &= ~MDOC_LITERAL;
1213:
1214: return(1);
1215: }
1216:
1217: static int
1.123 kristaps 1218: post_defaults(POST_ARGS)
1219: {
1220: struct mdoc_node *nn;
1221:
1222: /*
1223: * The `Ar' defaults to "file ..." if no value is provided as an
1.129 kristaps 1224: * argument; the `Mt' and `Pa' macros use "~"; the `Li' just
1225: * gets an empty string.
1.123 kristaps 1226: */
1227:
1228: if (mdoc->last->child)
1229: return(1);
1230:
1231: nn = mdoc->last;
1232: mdoc->next = MDOC_NEXT_CHILD;
1233:
1234: switch (nn->tok) {
1235: case (MDOC_Ar):
1236: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "file"))
1237: return(0);
1238: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "..."))
1239: return(0);
1240: break;
1.126 kristaps 1241: case (MDOC_At):
1242: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "AT&T"))
1243: return(0);
1244: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "UNIX"))
1245: return(0);
1246: break;
1.123 kristaps 1247: case (MDOC_Li):
1248: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, ""))
1249: return(0);
1250: break;
1.129 kristaps 1251: case (MDOC_Pa):
1252: /* FALLTHROUGH */
1.123 kristaps 1253: case (MDOC_Mt):
1254: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "~"))
1255: return(0);
1256: break;
1257: default:
1258: abort();
1259: /* NOTREACHED */
1260: }
1261:
1262: mdoc->last = nn;
1263: return(1);
1264: }
1.1 kristaps 1265:
1266: static int
1267: post_at(POST_ARGS)
1268: {
1.126 kristaps 1269: const char *p, *q;
1270: char *buf;
1271: size_t sz;
1.1 kristaps 1272:
1.126 kristaps 1273: /*
1274: * If we have a child, look it up in the standard keys. If a
1275: * key exist, use that instead of the child; if it doesn't,
1276: * prefix "AT&T UNIX " to the existing data.
1277: */
1278:
1.1 kristaps 1279: if (NULL == mdoc->last->child)
1280: return(1);
1.126 kristaps 1281:
1.79 kristaps 1282: assert(MDOC_TEXT == mdoc->last->child->type);
1.126 kristaps 1283: p = mdoc_a2att(mdoc->last->child->string);
1284:
1285: if (p) {
1286: free(mdoc->last->child->string);
1287: mdoc->last->child->string = mandoc_strdup(p);
1288: } else {
1289: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT);
1290: p = "AT&T UNIX ";
1291: q = mdoc->last->child->string;
1292: sz = strlen(p) + strlen(q) + 1;
1293: buf = mandoc_malloc(sz);
1294: strlcpy(buf, p, sz);
1295: strlcat(buf, q, sz);
1296: free(mdoc->last->child->string);
1297: mdoc->last->child->string = buf;
1298: }
1299:
1300: return(1);
1.1 kristaps 1301: }
1302:
1303: static int
1304: post_an(POST_ARGS)
1305: {
1.107 kristaps 1306: struct mdoc_node *np;
1.1 kristaps 1307:
1.107 kristaps 1308: np = mdoc->last;
1309: if (AUTH__NONE != np->data.An.auth && np->child)
1.120 kristaps 1310: return(eerr_eq0(mdoc));
1311: /*
1312: * FIXME: make this ewarn and make sure that the front-ends
1313: * don't print the arguments.
1314: */
1.107 kristaps 1315: if (AUTH__NONE != np->data.An.auth || np->child)
1.1 kristaps 1316: return(1);
1.107 kristaps 1317: return(mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS));
1.1 kristaps 1318: }
1319:
1320:
1321: static int
1322: post_it(POST_ARGS)
1323: {
1.89 kristaps 1324: int i, cols, rc;
1325: enum mdoc_list lt;
1.1 kristaps 1326: struct mdoc_node *n, *c;
1.89 kristaps 1327: enum mandocerr er;
1.1 kristaps 1328:
1329: if (MDOC_BLOCK != mdoc->last->type)
1330: return(1);
1331:
1332: n = mdoc->last->parent->parent;
1.104 kristaps 1333: assert(n->data.Bl);
1334: lt = n->data.Bl->type;
1.89 kristaps 1335:
1336: if (LIST__NONE == lt) {
1.79 kristaps 1337: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
1338: return(0);
1339: }
1.1 kristaps 1340:
1.89 kristaps 1341: switch (lt) {
1342: case (LIST_tag):
1343: if (mdoc->last->head->child)
1.1 kristaps 1344: break;
1.89 kristaps 1345: /* FIXME: give this a dummy value. */
1346: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1347: return(0);
1.1 kristaps 1348: break;
1.89 kristaps 1349: case (LIST_hang):
1.1 kristaps 1350: /* FALLTHROUGH */
1.89 kristaps 1351: case (LIST_ohang):
1.1 kristaps 1352: /* FALLTHROUGH */
1.89 kristaps 1353: case (LIST_inset):
1.1 kristaps 1354: /* FALLTHROUGH */
1.89 kristaps 1355: case (LIST_diag):
1.1 kristaps 1356: if (NULL == mdoc->last->head->child)
1.79 kristaps 1357: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 1358: return(0);
1359: break;
1.89 kristaps 1360: case (LIST_bullet):
1.1 kristaps 1361: /* FALLTHROUGH */
1.89 kristaps 1362: case (LIST_dash):
1.1 kristaps 1363: /* FALLTHROUGH */
1.89 kristaps 1364: case (LIST_enum):
1.1 kristaps 1365: /* FALLTHROUGH */
1.89 kristaps 1366: case (LIST_hyphen):
1.108 schwarze 1367: if (NULL == mdoc->last->body->child)
1368: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1369: return(0);
1.1 kristaps 1370: /* FALLTHROUGH */
1.89 kristaps 1371: case (LIST_item):
1.1 kristaps 1372: if (mdoc->last->head->child)
1.79 kristaps 1373: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1.1 kristaps 1374: return(0);
1375: break;
1.89 kristaps 1376: case (LIST_column):
1.109 kristaps 1377: cols = (int)n->data.Bl->ncols;
1.89 kristaps 1378:
1.87 kristaps 1379: assert(NULL == mdoc->last->head->child);
1.89 kristaps 1380:
1.87 kristaps 1381: if (NULL == mdoc->last->body->child)
1382: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1383: return(0);
1.87 kristaps 1384:
1.89 kristaps 1385: for (i = 0, c = mdoc->last->child; c; c = c->next)
1.87 kristaps 1386: if (MDOC_BODY == c->type)
1387: i++;
1.38 kristaps 1388:
1.89 kristaps 1389: if (i < cols)
1390: er = MANDOCERR_ARGCOUNT;
1391: else if (i == cols || i == cols + 1)
1.38 kristaps 1392: break;
1.89 kristaps 1393: else
1394: er = MANDOCERR_SYNTARGCOUNT;
1.38 kristaps 1395:
1.89 kristaps 1396: rc = mdoc_vmsg(mdoc, er,
1.79 kristaps 1397: mdoc->last->line, mdoc->last->pos,
1398: "columns == %d (have %d)", cols, i);
1.89 kristaps 1399: return(rc);
1.1 kristaps 1400: default:
1401: break;
1402: }
1403:
1404: return(1);
1405: }
1406:
1.131 ! kristaps 1407: static int
! 1408: post_bl_block(POST_ARGS)
! 1409: {
! 1410: struct mdoc_node *n;
! 1411:
! 1412: /*
! 1413: * These are fairly complicated, so we've broken them into two
! 1414: * functions. post_bl_block_tag() is called when a -tag is
! 1415: * specified, but no -width (it must be guessed). The second
! 1416: * when a -width is specified (macro indicators must be
! 1417: * rewritten into real lengths).
! 1418: */
! 1419:
! 1420: n = mdoc->last;
! 1421:
! 1422: if (LIST_tag == n->data.Bl->type &&
! 1423: NULL == n->data.Bl->width) {
! 1424: if ( ! post_bl_block_tag(mdoc))
! 1425: return(0);
! 1426: } else if (NULL != n->data.Bl->width) {
! 1427: if ( ! post_bl_block_width(mdoc))
! 1428: return(0);
! 1429: } else
! 1430: return(1);
! 1431:
! 1432: assert(n->data.Bl->width);
! 1433: return(1);
! 1434: }
! 1435:
! 1436: static int
! 1437: post_bl_block_width(POST_ARGS)
! 1438: {
! 1439: size_t width;
! 1440: int i;
! 1441: enum mdoct tok;
! 1442: struct mdoc_node *n;
! 1443: char buf[NUMSIZ];
! 1444:
! 1445: n = mdoc->last;
! 1446:
! 1447: /*
! 1448: * Calculate the real width of a list from the -width string,
! 1449: * which may contain a macro (with a known default width), a
! 1450: * literal string, or a scaling width.
! 1451: *
! 1452: * If the value to -width is a macro, then we re-write it to be
! 1453: * the macro's width as set in share/tmac/mdoc/doc-common.
! 1454: */
! 1455:
! 1456: if (0 == strcmp(n->data.Bl->width, "Ds"))
! 1457: width = 6;
! 1458: else if (MDOC_MAX == (tok = mdoc_hash_find(n->data.Bl->width)))
! 1459: return(1);
! 1460: else if (0 == (width = mdoc_macro2len(tok)))
! 1461: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADWIDTH));
! 1462:
! 1463: /* The value already exists: free and reallocate it. */
! 1464:
! 1465: assert(n->args);
! 1466:
! 1467: for (i = 0; i < (int)n->args->argc; i++)
! 1468: if (MDOC_Width == n->args->argv[i].arg)
! 1469: break;
! 1470:
! 1471: assert(i < (int)n->args->argc);
! 1472:
! 1473: snprintf(buf, NUMSIZ, "%zun", width);
! 1474: free(n->args->argv[i].value[0]);
! 1475: n->args->argv[i].value[0] = mandoc_strdup(buf);
! 1476:
! 1477: /* Set our width! */
! 1478: n->data.Bl->width = n->args->argv[i].value[0];
! 1479: return(1);
! 1480: }
! 1481:
! 1482: static int
! 1483: post_bl_block_tag(POST_ARGS)
! 1484: {
! 1485: struct mdoc_node *n, *nn;
! 1486: size_t sz, ssz;
! 1487: int i;
! 1488: char buf[NUMSIZ];
! 1489:
! 1490: /*
! 1491: * Calculate the -width for a `Bl -tag' list if it hasn't been
! 1492: * provided. Uses the first head macro. NOTE AGAIN: this is
! 1493: * ONLY if the -width argument has NOT been provided. See
! 1494: * post_bl_block_width() for converting the -width string.
! 1495: */
! 1496:
! 1497: sz = 10;
! 1498: n = mdoc->last;
! 1499:
! 1500: for (nn = n->body->child; nn; nn = nn->next) {
! 1501: if (MDOC_It != nn->tok)
! 1502: continue;
! 1503:
! 1504: assert(MDOC_BLOCK == nn->type);
! 1505: nn = nn->head->child;
! 1506:
! 1507: if (nn == NULL) {
! 1508: /* No -width for .Bl and first .It is emtpy */
! 1509: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
! 1510: return(0);
! 1511: break;
! 1512: }
! 1513:
! 1514: if (MDOC_TEXT == nn->type) {
! 1515: sz = strlen(nn->string) + 1;
! 1516: break;
! 1517: }
! 1518:
! 1519: if (0 != (ssz = mdoc_macro2len(nn->tok)))
! 1520: sz = ssz;
! 1521: else if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
! 1522: return(0);
! 1523:
! 1524: break;
! 1525: }
! 1526:
! 1527: /* Defaults to ten ens. */
! 1528:
! 1529: snprintf(buf, NUMSIZ, "%zun", sz);
! 1530:
! 1531: /*
! 1532: * We have to dynamically add this to the macro's argument list.
! 1533: * We're guaranteed that a MDOC_Width doesn't already exist.
! 1534: */
! 1535:
! 1536: assert(n->args);
! 1537: i = (int)(n->args->argc)++;
! 1538:
! 1539: n->args->argv = mandoc_realloc(n->args->argv,
! 1540: n->args->argc * sizeof(struct mdoc_argv));
! 1541:
! 1542: n->args->argv[i].arg = MDOC_Width;
! 1543: n->args->argv[i].line = n->line;
! 1544: n->args->argv[i].pos = n->pos;
! 1545: n->args->argv[i].sz = 1;
! 1546: n->args->argv[i].value = mandoc_malloc(sizeof(char *));
! 1547: n->args->argv[i].value[0] = mandoc_strdup(buf);
! 1548:
! 1549: /* Set our width! */
! 1550: n->data.Bl->width = n->args->argv[i].value[0];
! 1551: return(1);
! 1552: }
! 1553:
1.1 kristaps 1554:
1555: static int
1.14 kristaps 1556: post_bl_head(POST_ARGS)
1557: {
1.130 kristaps 1558: struct mdoc_node *np, *nn, *nnp;
1559: int i, j;
1.14 kristaps 1560:
1.130 kristaps 1561: if (LIST_column != mdoc->last->data.Bl->type)
1562: /* FIXME: this should be ERROR class... */
1563: return(hwarn_eq0(mdoc));
1.14 kristaps 1564:
1.130 kristaps 1565: /*
1566: * Convert old-style lists, where the column width specifiers
1567: * trail as macro parameters, to the new-style ("normal-form")
1568: * lists where they're argument values following -column.
1569: */
1570:
1571: /* First, disallow both types and allow normal-form. */
1572:
1573: /*
1574: * TODO: technically, we can accept both and just merge the two
1575: * lists, but I'll leave that for another day.
1576: */
1577:
1578: if (mdoc->last->data.Bl->ncols && mdoc->last->nchild) {
1579: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_COLUMNS);
1580: return(0);
1581: } else if (NULL == mdoc->last->child)
1.90 kristaps 1582: return(1);
1.130 kristaps 1583:
1584: np = mdoc->last->parent;
1585: assert(np->args);
1586:
1587: for (j = 0; j < (int)np->args->argc; j++)
1588: if (MDOC_Column == np->args->argv[j].arg)
1589: break;
1590:
1591: assert(j < (int)np->args->argc);
1592: assert(0 == np->args->argv[j].sz);
1593:
1594: /*
1595: * Accomodate for new-style groff column syntax. Shuffle the
1596: * child nodes, all of which must be TEXT, as arguments for the
1597: * column field. Then, delete the head children.
1598: */
1599:
1600: np->args->argv[j].sz = (size_t)mdoc->last->nchild;
1601: np->args->argv[j].value = mandoc_malloc
1602: ((size_t)mdoc->last->nchild * sizeof(char *));
1603:
1604: mdoc->last->data.Bl->ncols = np->args->argv[j].sz;
1605: mdoc->last->data.Bl->cols = (const char **)np->args->argv[j].value;
1606:
1607: for (i = 0, nn = mdoc->last->child; nn; i++) {
1608: np->args->argv[j].value[i] = nn->string;
1609: nn->string = NULL;
1610: nnp = nn;
1611: nn = nn->next;
1612: mdoc_node_delete(NULL, nnp);
1.65 kristaps 1613: }
1.14 kristaps 1614:
1.130 kristaps 1615: mdoc->last->nchild = 0;
1616: mdoc->last->child = NULL;
1617:
1618: return(1);
1.14 kristaps 1619: }
1620:
1621: static int
1.1 kristaps 1622: post_bl(POST_ARGS)
1623: {
1624: struct mdoc_node *n;
1625:
1.14 kristaps 1626: if (MDOC_HEAD == mdoc->last->type)
1627: return(post_bl_head(mdoc));
1.131 ! kristaps 1628: if (MDOC_BLOCK == mdoc->last->type)
! 1629: return(post_bl_block(mdoc));
1.1 kristaps 1630: if (MDOC_BODY != mdoc->last->type)
1631: return(1);
1632: if (NULL == mdoc->last->child)
1633: return(1);
1634:
1.55 kristaps 1635: /*
1636: * We only allow certain children of `Bl'. This is usually on
1637: * `It', but apparently `Sm' occurs here and there, so we let
1638: * that one through, too.
1639: */
1640:
1.1 kristaps 1641: /* LINTED */
1642: for (n = mdoc->last->child; n; n = n->next) {
1.55 kristaps 1643: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1644: continue;
1645: if (MDOC_Sm == n->tok)
1646: continue;
1.79 kristaps 1647: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
1648: return(0);
1.1 kristaps 1649: }
1650:
1651: return(1);
1652: }
1653:
1654:
1655: static int
1656: ebool(struct mdoc *mdoc)
1657: {
1658: struct mdoc_node *n;
1659:
1660: /* LINTED */
1661: for (n = mdoc->last->child; n; n = n->next) {
1662: if (MDOC_TEXT != n->type)
1663: break;
1.2 kristaps 1664: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1665: continue;
1.2 kristaps 1666: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1667: continue;
1668: break;
1669: }
1670:
1671: if (NULL == n)
1672: return(1);
1.79 kristaps 1673: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1.1 kristaps 1674: }
1675:
1676:
1677: static int
1678: post_root(POST_ARGS)
1679: {
1680:
1681: if (NULL == mdoc->first->child)
1.79 kristaps 1682: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1683: else if ( ! (MDOC_PBODY & mdoc->flags))
1684: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
1685: else if (MDOC_BLOCK != mdoc->first->child->type)
1686: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1687: else if (MDOC_Sh != mdoc->first->child->tok)
1688: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1689: else
1690: return(1);
1.1 kristaps 1691:
1.79 kristaps 1692: return(0);
1.1 kristaps 1693: }
1694:
1695: static int
1696: post_st(POST_ARGS)
1697: {
1.128 kristaps 1698: const char *p;
1699:
1700: assert(MDOC_TEXT == mdoc->last->child->type);
1701:
1702: p = mdoc_a2st(mdoc->last->child->string);
1703:
1704: if (p == NULL) {
1705: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD);
1706: mdoc_node_delete(mdoc, mdoc->last);
1707: } else {
1708: free(mdoc->last->child->string);
1709: mdoc->last->child->string = mandoc_strdup(p);
1710: }
1.1 kristaps 1711:
1.128 kristaps 1712: return(1);
1.1 kristaps 1713: }
1714:
1715: static int
1.43 kristaps 1716: post_rs(POST_ARGS)
1717: {
1.122 kristaps 1718: struct mdoc_node *nn, *next, *prev;
1719: int i, j;
1.43 kristaps 1720:
1721: if (MDOC_BODY != mdoc->last->type)
1722: return(1);
1723:
1.122 kristaps 1724: /*
1725: * Make sure only certain types of nodes are allowed within the
1726: * the `Rs' body. Delete offending nodes and raise a warning.
1727: * Do this before re-ordering for the sake of clarity.
1728: */
1729:
1730: next = NULL;
1731: for (nn = mdoc->last->child; nn; nn = next) {
1732: for (i = 0; i < RSORD_MAX; i++)
1733: if (nn->tok == rsord[i])
1734: break;
1735:
1736: if (i < RSORD_MAX) {
1737: next = nn->next;
1738: continue;
1739: }
1740:
1741: next = nn->next;
1742: mdoc_nmsg(mdoc, nn, MANDOCERR_CHILD);
1743: mdoc_node_delete(mdoc, nn);
1744: }
1745:
1746: /*
1747: * The full `Rs' block needs special handling to order the
1748: * sub-elements according to `rsord'. Pick through each element
1749: * and correctly order it. This is a insertion sort.
1750: */
1751:
1752: next = NULL;
1753: for (nn = mdoc->last->child->next; nn; nn = next) {
1754: /* Determine order of `nn'. */
1755: for (i = 0; i < RSORD_MAX; i++)
1756: if (rsord[i] == nn->tok)
1757: break;
1758:
1759: /*
1760: * Remove `nn' from the chain. This somewhat
1761: * repeats mdoc_node_unlink(), but since we're
1762: * just re-ordering, there's no need for the
1763: * full unlink process.
1764: */
1765:
1766: if (NULL != (next = nn->next))
1767: next->prev = nn->prev;
1768:
1769: if (NULL != (prev = nn->prev))
1770: prev->next = nn->next;
1771:
1772: nn->prev = nn->next = NULL;
1773:
1774: /*
1775: * Scan back until we reach a node that's
1776: * ordered before `nn'.
1777: */
1778:
1779: for ( ; prev ; prev = prev->prev) {
1780: /* Determine order of `prev'. */
1781: for (j = 0; j < RSORD_MAX; j++)
1782: if (rsord[j] == prev->tok)
1783: break;
1784:
1785: if (j <= i)
1786: break;
1787: }
1788:
1789: /*
1790: * Set `nn' back into its correct place in front
1791: * of the `prev' node.
1792: */
1793:
1794: nn->prev = prev;
1795:
1796: if (prev) {
1797: if (prev->next)
1798: prev->next->prev = nn;
1799: nn->next = prev->next;
1800: prev->next = nn;
1801: } else {
1802: mdoc->last->child->prev = nn;
1803: nn->next = mdoc->last->child;
1804: mdoc->last->child = nn;
1.43 kristaps 1805: }
1.122 kristaps 1806: }
1.43 kristaps 1807:
1808: return(1);
1809: }
1810:
1811:
1812: static int
1.1 kristaps 1813: post_sh(POST_ARGS)
1814: {
1815:
1816: if (MDOC_HEAD == mdoc->last->type)
1817: return(post_sh_head(mdoc));
1818: if (MDOC_BODY == mdoc->last->type)
1819: return(post_sh_body(mdoc));
1820:
1821: return(1);
1822: }
1823:
1824:
1825: static int
1826: post_sh_body(POST_ARGS)
1827: {
1828: struct mdoc_node *n;
1829:
1.29 kristaps 1830: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1831: return(1);
1832:
1833: /*
1834: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1835: * macros (can have multiple `Nm' and one `Nd'). Note that the
1836: * children of the BODY declaration can also be "text".
1837: */
1838:
1839: if (NULL == (n = mdoc->last->child))
1.79 kristaps 1840: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1841:
1842: for ( ; n && n->next; n = n->next) {
1843: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1844: continue;
1.28 kristaps 1845: if (MDOC_TEXT == n->type)
1846: continue;
1.79 kristaps 1847: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1.1 kristaps 1848: return(0);
1849: }
1850:
1.41 kristaps 1851: assert(n);
1.27 kristaps 1852: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1853: return(1);
1.79 kristaps 1854: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1855: }
1856:
1857:
1858: static int
1859: post_sh_head(POST_ARGS)
1860: {
1.125 kristaps 1861: char buf[BUFSIZ];
1862: enum mdoc_sec sec;
1863: struct mdoc_node *n;
1.1 kristaps 1864:
1865: /*
1866: * Process a new section. Sections are either "named" or
1.125 kristaps 1867: * "custom". Custom sections are user-defined, while named ones
1868: * follow a conventional order and may only appear in certain
1869: * manual sections.
1.1 kristaps 1870: */
1871:
1.79 kristaps 1872: buf[0] = '\0';
1873:
1.125 kristaps 1874: /* FIXME: use dynamic buffer... */
1.1 kristaps 1875:
1.2 kristaps 1876: for (n = mdoc->last->child; n; n = n->next) {
1.125 kristaps 1877: /* XXX - copied from concat(). */
1.2 kristaps 1878: assert(MDOC_TEXT == n->type);
1.12 kristaps 1879:
1.81 kristaps 1880: if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1881: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1882: return(0);
1883: }
1.125 kristaps 1884:
1.2 kristaps 1885: if (NULL == n->next)
1886: continue;
1.125 kristaps 1887:
1.81 kristaps 1888: if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1889: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1890: return(0);
1891: }
1.2 kristaps 1892: }
1.1 kristaps 1893:
1.72 kristaps 1894: sec = mdoc_str2sec(buf);
1.1 kristaps 1895:
1.125 kristaps 1896: /* The NAME should be first. */
1.1 kristaps 1897:
1.72 kristaps 1898: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.125 kristaps 1899: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST);
1900:
1901: /* The SYNOPSIS gets special attention in other areas. */
1902:
1903: if (SEC_SYNOPSIS == sec)
1904: mdoc->flags |= MDOC_SYNOPSIS;
1905: else
1906: mdoc->flags &= ~MDOC_SYNOPSIS;
1907:
1908: /* Mark our last section. */
1909:
1910: mdoc->lastsec = sec;
1911:
1912: /* We don't care about custom sections after this. */
1.72 kristaps 1913:
1.1 kristaps 1914: if (SEC_CUSTOM == sec)
1915: return(1);
1.72 kristaps 1916:
1.125 kristaps 1917: /*
1918: * Check whether our non-custom section is being repeated or is
1919: * out of order.
1920: */
1921:
1.1 kristaps 1922: if (sec == mdoc->lastnamed)
1.125 kristaps 1923: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP);
1.72 kristaps 1924:
1.1 kristaps 1925: if (sec < mdoc->lastnamed)
1.125 kristaps 1926: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO);
1927:
1928: /* Mark the last named section. */
1929:
1930: mdoc->lastnamed = sec;
1931:
1932: /* Check particular section/manual conventions. */
1.1 kristaps 1933:
1.125 kristaps 1934: assert(mdoc->meta.msec);
1.1 kristaps 1935:
1936: switch (sec) {
1.125 kristaps 1937: case (SEC_RETURN_VALUES):
1938: /* FALLTHROUGH */
1939: case (SEC_ERRORS):
1940: /* FALLTHROUGH */
1.1 kristaps 1941: case (SEC_LIBRARY):
1.78 kristaps 1942: if (*mdoc->meta.msec == '2')
1943: break;
1944: if (*mdoc->meta.msec == '3')
1945: break;
1946: if (*mdoc->meta.msec == '9')
1.1 kristaps 1947: break;
1.125 kristaps 1948: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC);
1949: break;
1.1 kristaps 1950: default:
1951: break;
1952: }
1953:
1.117 kristaps 1954: return(1);
1955: }
1956:
1957: static int
1.124 kristaps 1958: pre_par(PRE_ARGS)
1.117 kristaps 1959: {
1960:
1.118 kristaps 1961: if (NULL == mdoc->last)
1962: return(1);
1963:
1.124 kristaps 1964: /*
1965: * Don't allow prior `Lp' or `Pp' prior to a paragraph-type
1966: * block: `Lp', `Pp', or non-compact `Bd' or `Bl'.
1967: */
1.118 kristaps 1968:
1969: if (MDOC_Pp != mdoc->last->tok && MDOC_Lp != mdoc->last->tok)
1.117 kristaps 1970: return(1);
1971:
1972: if (MDOC_Bl == n->tok && n->data.Bl->comp)
1973: return(1);
1974: if (MDOC_Bd == n->tok && n->data.Bd->comp)
1975: return(1);
1976:
1977: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNPAR);
1978: mdoc_node_delete(mdoc, mdoc->last);
1.128 kristaps 1979: return(1);
1980: }
1981:
1982: static int
1983: pre_literal(PRE_ARGS)
1984: {
1985:
1986: if (MDOC_BODY != n->type)
1987: return(1);
1988:
1989: /*
1990: * The `Dl' (note "el" not "one") and `Bd -literal' and `Bd
1991: * -unfilled' macros set MDOC_LITERAL on entrance to the body.
1992: */
1993:
1994: switch (n->tok) {
1995: case (MDOC_Dl):
1996: mdoc->flags |= MDOC_LITERAL;
1997: break;
1998: case (MDOC_Bd):
1999: assert(n->data.Bd);
2000: if (DISP_literal == n->data.Bd->type)
2001: mdoc->flags |= MDOC_LITERAL;
2002: if (DISP_unfilled == n->data.Bd->type)
2003: mdoc->flags |= MDOC_LITERAL;
2004: break;
2005: default:
2006: abort();
2007: /* NOTREACHED */
2008: }
2009:
1.1 kristaps 2010: return(1);
2011: }
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