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Annotation of mandoc/man_validate.c, Revision 1.99

1.99    ! schwarze    1: /*     $Id: man_validate.c,v 1.98 2014/07/05 12:34:17 schwarze Exp $ */
1.1       kristaps    2: /*
1.63      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.88      schwarze    4:  * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.8       kristaps    7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    9:  *
1.8       kristaps   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   17:  */
1.28      kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.1       kristaps   22: #include <sys/types.h>
                     23:
                     24: #include <assert.h>
                     25: #include <ctype.h>
1.16      kristaps   26: #include <errno.h>
                     27: #include <limits.h>
1.1       kristaps   28: #include <stdarg.h>
                     29: #include <stdlib.h>
1.46      kristaps   30: #include <string.h>
1.50      kristaps   31: #include <time.h>
1.1       kristaps   32:
1.66      kristaps   33: #include "man.h"
1.41      kristaps   34: #include "mandoc.h"
1.89      schwarze   35: #include "mandoc_aux.h"
1.1       kristaps   36: #include "libman.h"
1.15      kristaps   37: #include "libmandoc.h"
1.1       kristaps   38:
1.85      schwarze   39: #define        CHKARGS   struct man *man, struct man_node *n
1.1       kristaps   40:
1.17      kristaps   41: typedef        int     (*v_check)(CHKARGS);
1.1       kristaps   42:
                     43: struct man_valid {
1.17      kristaps   44:        v_check  *pres;
                     45:        v_check  *posts;
1.1       kristaps   46: };
                     47:
1.17      kristaps   48: static int       check_eq0(CHKARGS);
1.80      kristaps   49: static int       check_eq2(CHKARGS);
1.25      kristaps   50: static int       check_le1(CHKARGS);
1.17      kristaps   51: static int       check_ge2(CHKARGS);
                     52: static int       check_le5(CHKARGS);
1.86      schwarze   53: static int       check_head1(CHKARGS);
1.17      kristaps   54: static int       check_par(CHKARGS);
1.23      kristaps   55: static int       check_part(CHKARGS);
1.17      kristaps   56: static int       check_root(CHKARGS);
1.75      kristaps   57: static void      check_text(CHKARGS);
1.17      kristaps   58:
1.51      kristaps   59: static int       post_AT(CHKARGS);
1.83      schwarze   60: static int       post_IP(CHKARGS);
1.70      kristaps   61: static int       post_vs(CHKARGS);
1.51      kristaps   62: static int       post_fi(CHKARGS);
1.73      kristaps   63: static int       post_ft(CHKARGS);
1.51      kristaps   64: static int       post_nf(CHKARGS);
1.73      kristaps   65: static int       post_sec(CHKARGS);
1.51      kristaps   66: static int       post_TH(CHKARGS);
                     67: static int       post_UC(CHKARGS);
1.73      kristaps   68: static int       pre_sec(CHKARGS);
1.51      kristaps   69:
                     70: static v_check   posts_at[] = { post_AT, NULL };
1.70      kristaps   71: static v_check   posts_br[] = { post_vs, check_eq0, NULL };
1.17      kristaps   72: static v_check   posts_eq0[] = { check_eq0, NULL };
1.80      kristaps   73: static v_check   posts_eq2[] = { check_eq2, NULL };
1.51      kristaps   74: static v_check   posts_fi[] = { check_eq0, post_fi, NULL };
1.73      kristaps   75: static v_check   posts_ft[] = { post_ft, NULL };
1.83      schwarze   76: static v_check   posts_ip[] = { post_IP, NULL };
1.84      schwarze   77: static v_check   posts_le1[] = { check_le1, NULL };
1.51      kristaps   78: static v_check   posts_nf[] = { check_eq0, post_nf, NULL };
1.17      kristaps   79: static v_check   posts_par[] = { check_par, NULL };
1.23      kristaps   80: static v_check   posts_part[] = { check_part, NULL };
1.73      kristaps   81: static v_check   posts_sec[] = { post_sec, NULL };
1.70      kristaps   82: static v_check   posts_sp[] = { post_vs, check_le1, NULL };
1.60      schwarze   83: static v_check   posts_th[] = { check_ge2, check_le5, post_TH, NULL };
1.51      kristaps   84: static v_check   posts_uc[] = { post_UC, NULL };
1.86      schwarze   85: static v_check   posts_ur[] = { check_head1, check_part, NULL };
1.78      schwarze   86: static v_check   pres_sec[] = { pre_sec, NULL };
1.1       kristaps   87:
                     88: static const struct man_valid man_valids[MAN_MAX] = {
1.70      kristaps   89:        { NULL, posts_br }, /* br */
1.78      schwarze   90:        { NULL, posts_th }, /* TH */
1.73      kristaps   91:        { pres_sec, posts_sec }, /* SH */
                     92:        { pres_sec, posts_sec }, /* SS */
1.78      schwarze   93:        { NULL, NULL }, /* TP */
                     94:        { NULL, posts_par }, /* LP */
                     95:        { NULL, posts_par }, /* PP */
                     96:        { NULL, posts_par }, /* P */
1.83      schwarze   97:        { NULL, posts_ip }, /* IP */
1.78      schwarze   98:        { NULL, NULL }, /* HP */
1.22      kristaps   99:        { NULL, NULL }, /* SM */
                    100:        { NULL, NULL }, /* SB */
1.17      kristaps  101:        { NULL, NULL }, /* BI */
                    102:        { NULL, NULL }, /* IB */
                    103:        { NULL, NULL }, /* BR */
                    104:        { NULL, NULL }, /* RB */
1.22      kristaps  105:        { NULL, NULL }, /* R */
                    106:        { NULL, NULL }, /* B */
                    107:        { NULL, NULL }, /* I */
1.17      kristaps  108:        { NULL, NULL }, /* IR */
                    109:        { NULL, NULL }, /* RI */
1.80      kristaps  110:        { NULL, posts_eq0 }, /* na */
                    111:        { NULL, posts_sp }, /* sp */
1.78      schwarze  112:        { NULL, posts_nf }, /* nf */
                    113:        { NULL, posts_fi }, /* fi */
1.19      kristaps  114:        { NULL, NULL }, /* RE */
1.23      kristaps  115:        { NULL, posts_part }, /* RS */
1.21      kristaps  116:        { NULL, NULL }, /* DT */
1.51      kristaps  117:        { NULL, posts_uc }, /* UC */
1.84      schwarze  118:        { NULL, posts_le1 }, /* PD */
1.51      kristaps  119:        { NULL, posts_at }, /* AT */
1.47      kristaps  120:        { NULL, NULL }, /* in */
1.55      kristaps  121:        { NULL, posts_ft }, /* ft */
1.80      kristaps  122:        { NULL, posts_eq2 }, /* OP */
1.81      schwarze  123:        { NULL, posts_nf }, /* EX */
                    124:        { NULL, posts_fi }, /* EE */
1.86      schwarze  125:        { NULL, posts_ur }, /* UR */
                    126:        { NULL, NULL }, /* UE */
1.90      schwarze  127:        { NULL, NULL }, /* ll */
1.1       kristaps  128: };
                    129:
                    130:
                    131: int
1.85      schwarze  132: man_valid_pre(struct man *man, struct man_node *n)
1.17      kristaps  133: {
                    134:        v_check         *cp;
                    135:
1.57      kristaps  136:        switch (n->type) {
1.91      schwarze  137:        case MAN_TEXT:
1.57      kristaps  138:                /* FALLTHROUGH */
1.91      schwarze  139:        case MAN_ROOT:
1.61      kristaps  140:                /* FALLTHROUGH */
1.91      schwarze  141:        case MAN_EQN:
1.57      kristaps  142:                /* FALLTHROUGH */
1.91      schwarze  143:        case MAN_TBL:
1.17      kristaps  144:                return(1);
1.57      kristaps  145:        default:
                    146:                break;
                    147:        }
1.17      kristaps  148:
                    149:        if (NULL == (cp = man_valids[n->tok].pres))
                    150:                return(1);
                    151:        for ( ; *cp; cp++)
1.91      schwarze  152:                if ( ! (*cp)(man, n))
1.17      kristaps  153:                        return(0);
                    154:        return(1);
                    155: }
                    156:
                    157: int
1.85      schwarze  158: man_valid_post(struct man *man)
1.1       kristaps  159: {
1.17      kristaps  160:        v_check         *cp;
1.1       kristaps  161:
1.85      schwarze  162:        if (MAN_VALID & man->last->flags)
1.1       kristaps  163:                return(1);
1.85      schwarze  164:        man->last->flags |= MAN_VALID;
1.1       kristaps  165:
1.85      schwarze  166:        switch (man->last->type) {
1.91      schwarze  167:        case MAN_TEXT:
1.85      schwarze  168:                check_text(man, man->last);
1.75      kristaps  169:                return(1);
1.91      schwarze  170:        case MAN_ROOT:
1.85      schwarze  171:                return(check_root(man, man->last));
1.91      schwarze  172:        case MAN_EQN:
1.62      kristaps  173:                /* FALLTHROUGH */
1.91      schwarze  174:        case MAN_TBL:
1.57      kristaps  175:                return(1);
1.1       kristaps  176:        default:
                    177:                break;
                    178:        }
                    179:
1.85      schwarze  180:        if (NULL == (cp = man_valids[man->last->tok].posts))
1.1       kristaps  181:                return(1);
                    182:        for ( ; *cp; cp++)
1.85      schwarze  183:                if ( ! (*cp)(man, man->last))
1.1       kristaps  184:                        return(0);
                    185:
                    186:        return(1);
                    187: }
                    188:
1.11      kristaps  189: static int
1.91      schwarze  190: check_root(CHKARGS)
1.14      kristaps  191: {
1.17      kristaps  192:
1.85      schwarze  193:        if (MAN_BLINE & man->flags)
                    194:                man_nmsg(man, n, MANDOCERR_SCOPEEXIT);
                    195:        else if (MAN_ELINE & man->flags)
                    196:                man_nmsg(man, n, MANDOCERR_SCOPEEXIT);
1.22      kristaps  197:
1.85      schwarze  198:        man->flags &= ~MAN_BLINE;
                    199:        man->flags &= ~MAN_ELINE;
1.17      kristaps  200:
1.93      schwarze  201:        if (NULL == man->first->child)
                    202:                man_nmsg(man, n, MANDOCERR_DOC_EMPTY);
                    203:        else
                    204:                man->meta.hasbody = 1;
                    205:
                    206:        if (NULL == man->meta.title) {
1.92      schwarze  207:                man_nmsg(man, n, MANDOCERR_TH_MISSING);
1.54      kristaps  208:
1.34      kristaps  209:                /*
                    210:                 * If a title hasn't been set, do so now (by
                    211:                 * implication, date and section also aren't set).
                    212:                 */
1.54      kristaps  213:
1.91      schwarze  214:                man->meta.title = mandoc_strdup("unknown");
1.85      schwarze  215:                man->meta.msec = mandoc_strdup("1");
1.88      schwarze  216:                man->meta.date = man->quick ? mandoc_strdup("") :
                    217:                    mandoc_normdate(man->parse, NULL, n->line, n->pos);
1.34      kristaps  218:        }
1.32      kristaps  219:
                    220:        return(1);
1.75      kristaps  221: }
                    222:
                    223: static void
                    224: check_text(CHKARGS)
                    225: {
                    226:        char            *cp, *p;
                    227:
1.85      schwarze  228:        if (MAN_LITERAL & man->flags)
1.76      schwarze  229:                return;
                    230:
                    231:        cp = n->string;
                    232:        for (p = cp; NULL != (p = strchr(p, '\t')); p++)
1.99    ! schwarze  233:                mandoc_msg(MANDOCERR_FI_TAB, man->parse,
        !           234:                    n->line, n->pos + (p - cp), NULL);
1.1       kristaps  235: }
                    236:
                    237: #define        INEQ_DEFINE(x, ineq, name) \
                    238: static int \
1.17      kristaps  239: check_##name(CHKARGS) \
1.1       kristaps  240: { \
1.11      kristaps  241:        if (n->nchild ineq (x)) \
1.1       kristaps  242:                return(1); \
1.85      schwarze  243:        mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, n->pos, \
1.91      schwarze  244:            "line arguments %s %d (have %d)", \
                    245:            #ineq, (x), n->nchild); \
1.60      schwarze  246:        return(1); \
1.1       kristaps  247: }
                    248:
                    249: INEQ_DEFINE(0, ==, eq0)
1.80      kristaps  250: INEQ_DEFINE(2, ==, eq2)
1.25      kristaps  251: INEQ_DEFINE(1, <=, le1)
1.1       kristaps  252: INEQ_DEFINE(2, >=, ge2)
                    253: INEQ_DEFINE(5, <=, le5)
1.86      schwarze  254:
                    255: static int
                    256: check_head1(CHKARGS)
                    257: {
                    258:
                    259:        if (MAN_HEAD == n->type && 1 != n->nchild)
                    260:                mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line,
                    261:                    n->pos, "line arguments eq 1 (have %d)", n->nchild);
                    262:
                    263:        return(1);
                    264: }
1.1       kristaps  265:
1.55      kristaps  266: static int
1.73      kristaps  267: post_ft(CHKARGS)
1.55      kristaps  268: {
                    269:        char    *cp;
                    270:        int      ok;
                    271:
                    272:        if (0 == n->nchild)
                    273:                return(1);
                    274:
                    275:        ok = 0;
                    276:        cp = n->child->string;
                    277:        switch (*cp) {
1.91      schwarze  278:        case '1':
1.55      kristaps  279:                /* FALLTHROUGH */
1.91      schwarze  280:        case '2':
1.55      kristaps  281:                /* FALLTHROUGH */
1.91      schwarze  282:        case '3':
1.55      kristaps  283:                /* FALLTHROUGH */
1.91      schwarze  284:        case '4':
1.55      kristaps  285:                /* FALLTHROUGH */
1.91      schwarze  286:        case 'I':
1.55      kristaps  287:                /* FALLTHROUGH */
1.91      schwarze  288:        case 'P':
1.55      kristaps  289:                /* FALLTHROUGH */
1.91      schwarze  290:        case 'R':
1.55      kristaps  291:                if ('\0' == cp[1])
                    292:                        ok = 1;
                    293:                break;
1.91      schwarze  294:        case 'B':
1.55      kristaps  295:                if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2]))
                    296:                        ok = 1;
                    297:                break;
1.91      schwarze  298:        case 'C':
1.55      kristaps  299:                if ('W' == cp[1] && '\0' == cp[2])
                    300:                        ok = 1;
                    301:                break;
                    302:        default:
                    303:                break;
                    304:        }
                    305:
                    306:        if (0 == ok) {
1.98      schwarze  307:                mandoc_vmsg(MANDOCERR_FT_BAD, man->parse,
                    308:                    n->line, n->pos, "ft %s", cp);
1.55      kristaps  309:                *cp = '\0';
                    310:        }
                    311:
                    312:        if (1 < n->nchild)
1.91      schwarze  313:                mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line,
                    314:                    n->pos, "want one child (have %d)", n->nchild);
1.55      kristaps  315:
                    316:        return(1);
                    317: }
1.16      kristaps  318:
                    319: static int
1.73      kristaps  320: pre_sec(CHKARGS)
                    321: {
                    322:
                    323:        if (MAN_BLOCK == n->type)
1.85      schwarze  324:                man->flags &= ~MAN_LITERAL;
1.73      kristaps  325:        return(1);
                    326: }
                    327:
                    328: static int
                    329: post_sec(CHKARGS)
1.17      kristaps  330: {
1.16      kristaps  331:
1.91      schwarze  332:        if ( ! (MAN_HEAD == n->type && 0 == n->nchild))
1.69      kristaps  333:                return(1);
1.41      kristaps  334:
1.85      schwarze  335:        man_nmsg(man, n, MANDOCERR_SYNTARGCOUNT);
1.69      kristaps  336:        return(0);
1.16      kristaps  337: }
1.17      kristaps  338:
                    339: static int
1.23      kristaps  340: check_part(CHKARGS)
                    341: {
                    342:
                    343:        if (MAN_BODY == n->type && 0 == n->nchild)
1.91      schwarze  344:                mandoc_msg(MANDOCERR_ARGCWARN, man->parse, n->line,
                    345:                    n->pos, "want children (have none)");
1.54      kristaps  346:
1.23      kristaps  347:        return(1);
                    348: }
                    349:
                    350: static int
1.17      kristaps  351: check_par(CHKARGS)
                    352: {
                    353:
1.59      kristaps  354:        switch (n->type) {
1.91      schwarze  355:        case MAN_BLOCK:
1.59      kristaps  356:                if (0 == n->body->nchild)
1.85      schwarze  357:                        man_node_delete(man, n);
1.59      kristaps  358:                break;
1.91      schwarze  359:        case MAN_BODY:
1.59      kristaps  360:                if (0 == n->nchild)
1.95      schwarze  361:                        mandoc_vmsg(MANDOCERR_PAR_SKIP,
                    362:                            man->parse, n->line, n->pos,
                    363:                            "%s empty", man_macronames[n->tok]);
1.59      kristaps  364:                break;
1.91      schwarze  365:        case MAN_HEAD:
1.59      kristaps  366:                if (n->nchild)
1.97      schwarze  367:                        mandoc_vmsg(MANDOCERR_ARG_SKIP,
                    368:                            man->parse, n->line, n->pos,
                    369:                            "%s %s%s", man_macronames[n->tok],
                    370:                            n->child->string,
                    371:                            n->nchild > 1 ? " ..." : "");
1.59      kristaps  372:                break;
                    373:        default:
                    374:                break;
                    375:        }
1.17      kristaps  376:
                    377:        return(1);
                    378: }
                    379:
1.83      schwarze  380: static int
                    381: post_IP(CHKARGS)
                    382: {
                    383:
                    384:        switch (n->type) {
1.91      schwarze  385:        case MAN_BLOCK:
1.83      schwarze  386:                if (0 == n->head->nchild && 0 == n->body->nchild)
1.85      schwarze  387:                        man_node_delete(man, n);
1.83      schwarze  388:                break;
1.91      schwarze  389:        case MAN_BODY:
1.83      schwarze  390:                if (0 == n->parent->head->nchild && 0 == n->nchild)
1.95      schwarze  391:                        mandoc_vmsg(MANDOCERR_PAR_SKIP,
                    392:                            man->parse, n->line, n->pos,
                    393:                            "%s empty", man_macronames[n->tok]);
1.83      schwarze  394:                break;
                    395:        default:
                    396:                break;
                    397:        }
                    398:        return(1);
                    399: }
1.17      kristaps  400:
1.51      kristaps  401: static int
                    402: post_TH(CHKARGS)
                    403: {
1.92      schwarze  404:        struct man_node *nb;
1.60      schwarze  405:        const char      *p;
1.51      kristaps  406:
1.85      schwarze  407:        free(man->meta.title);
                    408:        free(man->meta.vol);
                    409:        free(man->meta.source);
                    410:        free(man->meta.msec);
                    411:        free(man->meta.date);
1.51      kristaps  412:
1.85      schwarze  413:        man->meta.title = man->meta.vol = man->meta.date =
1.91      schwarze  414:            man->meta.msec = man->meta.source = NULL;
1.51      kristaps  415:
1.92      schwarze  416:        nb = n;
                    417:
1.51      kristaps  418:        /* ->TITLE<- MSEC DATE SOURCE VOL */
                    419:
                    420:        n = n->child;
1.60      schwarze  421:        if (n && n->string) {
                    422:                for (p = n->string; '\0' != *p; p++) {
                    423:                        /* Only warn about this once... */
1.91      schwarze  424:                        if (isalpha((unsigned char)*p) &&
                    425:                            ! isupper((unsigned char)*p)) {
1.94      schwarze  426:                                mandoc_msg(MANDOCERR_TITLE_CASE,
                    427:                                    man->parse, n->line,
                    428:                                    n->pos + (p - n->string),
                    429:                                    n->string);
1.60      schwarze  430:                                break;
                    431:                        }
                    432:                }
1.85      schwarze  433:                man->meta.title = mandoc_strdup(n->string);
1.60      schwarze  434:        } else
1.85      schwarze  435:                man->meta.title = mandoc_strdup("");
1.51      kristaps  436:
                    437:        /* TITLE ->MSEC<- DATE SOURCE VOL */
                    438:
1.60      schwarze  439:        if (n)
                    440:                n = n->next;
                    441:        if (n && n->string)
1.85      schwarze  442:                man->meta.msec = mandoc_strdup(n->string);
1.60      schwarze  443:        else
1.85      schwarze  444:                man->meta.msec = mandoc_strdup("");
1.51      kristaps  445:
                    446:        /* TITLE MSEC ->DATE<- SOURCE VOL */
                    447:
1.60      schwarze  448:        if (n)
                    449:                n = n->next;
1.77      schwarze  450:        if (n && n->string && '\0' != n->string[0]) {
1.88      schwarze  451:                man->meta.date = man->quick ?
                    452:                    mandoc_strdup(n->string) :
                    453:                    mandoc_normdate(man->parse, n->string,
                    454:                        n->line, n->pos);
1.92      schwarze  455:        } else {
1.85      schwarze  456:                man->meta.date = mandoc_strdup("");
1.92      schwarze  457:                man_nmsg(man, n ? n : nb, MANDOCERR_DATE_MISSING);
                    458:        }
1.51      kristaps  459:
                    460:        /* TITLE MSEC DATE ->SOURCE<- VOL */
                    461:
                    462:        if (n && (n = n->next))
1.85      schwarze  463:                man->meta.source = mandoc_strdup(n->string);
1.51      kristaps  464:
                    465:        /* TITLE MSEC DATE SOURCE ->VOL<- */
1.79      schwarze  466:        /* If missing, use the default VOL name for MSEC. */
1.51      kristaps  467:
                    468:        if (n && (n = n->next))
1.85      schwarze  469:                man->meta.vol = mandoc_strdup(n->string);
                    470:        else if ('\0' != man->meta.msec[0] &&
                    471:            (NULL != (p = mandoc_a2msec(man->meta.msec))))
                    472:                man->meta.vol = mandoc_strdup(p);
1.51      kristaps  473:
                    474:        /*
                    475:         * Remove the `TH' node after we've processed it for our
                    476:         * meta-data.
                    477:         */
1.85      schwarze  478:        man_node_delete(man, man->last);
1.51      kristaps  479:        return(1);
                    480: }
                    481:
                    482: static int
                    483: post_nf(CHKARGS)
                    484: {
                    485:
1.85      schwarze  486:        if (MAN_LITERAL & man->flags)
1.96      schwarze  487:                man_nmsg(man, n, MANDOCERR_NF_SKIP);
1.51      kristaps  488:
1.85      schwarze  489:        man->flags |= MAN_LITERAL;
1.51      kristaps  490:        return(1);
                    491: }
                    492:
                    493: static int
                    494: post_fi(CHKARGS)
                    495: {
                    496:
1.85      schwarze  497:        if ( ! (MAN_LITERAL & man->flags))
1.96      schwarze  498:                man_nmsg(man, n, MANDOCERR_FI_SKIP);
1.51      kristaps  499:
1.85      schwarze  500:        man->flags &= ~MAN_LITERAL;
1.51      kristaps  501:        return(1);
                    502: }
                    503:
                    504: static int
                    505: post_UC(CHKARGS)
                    506: {
                    507:        static const char * const bsd_versions[] = {
                    508:            "3rd Berkeley Distribution",
                    509:            "4th Berkeley Distribution",
                    510:            "4.2 Berkeley Distribution",
                    511:            "4.3 Berkeley Distribution",
                    512:            "4.4 Berkeley Distribution",
                    513:        };
                    514:
                    515:        const char      *p, *s;
                    516:
                    517:        n = n->child;
                    518:
                    519:        if (NULL == n || MAN_TEXT != n->type)
                    520:                p = bsd_versions[0];
                    521:        else {
                    522:                s = n->string;
                    523:                if (0 == strcmp(s, "3"))
                    524:                        p = bsd_versions[0];
                    525:                else if (0 == strcmp(s, "4"))
                    526:                        p = bsd_versions[1];
                    527:                else if (0 == strcmp(s, "5"))
                    528:                        p = bsd_versions[2];
                    529:                else if (0 == strcmp(s, "6"))
                    530:                        p = bsd_versions[3];
                    531:                else if (0 == strcmp(s, "7"))
                    532:                        p = bsd_versions[4];
                    533:                else
                    534:                        p = bsd_versions[0];
                    535:        }
                    536:
1.85      schwarze  537:        free(man->meta.source);
                    538:        man->meta.source = mandoc_strdup(p);
1.51      kristaps  539:        return(1);
                    540: }
                    541:
                    542: static int
                    543: post_AT(CHKARGS)
                    544: {
                    545:        static const char * const unix_versions[] = {
                    546:            "7th Edition",
                    547:            "System III",
                    548:            "System V",
                    549:            "System V Release 2",
                    550:        };
                    551:
                    552:        const char      *p, *s;
                    553:        struct man_node *nn;
                    554:
                    555:        n = n->child;
                    556:
                    557:        if (NULL == n || MAN_TEXT != n->type)
                    558:                p = unix_versions[0];
                    559:        else {
                    560:                s = n->string;
                    561:                if (0 == strcmp(s, "3"))
                    562:                        p = unix_versions[0];
                    563:                else if (0 == strcmp(s, "4"))
                    564:                        p = unix_versions[1];
                    565:                else if (0 == strcmp(s, "5")) {
                    566:                        nn = n->next;
                    567:                        if (nn && MAN_TEXT == nn->type && nn->string[0])
                    568:                                p = unix_versions[3];
                    569:                        else
                    570:                                p = unix_versions[2];
                    571:                } else
                    572:                        p = unix_versions[0];
                    573:        }
                    574:
1.85      schwarze  575:        free(man->meta.source);
                    576:        man->meta.source = mandoc_strdup(p);
1.70      kristaps  577:        return(1);
                    578: }
                    579:
                    580: static int
                    581: post_vs(CHKARGS)
                    582: {
                    583:
1.82      schwarze  584:        if (NULL != n->prev)
                    585:                return(1);
                    586:
                    587:        switch (n->parent->tok) {
1.91      schwarze  588:        case MAN_SH:
1.82      schwarze  589:                /* FALLTHROUGH */
1.91      schwarze  590:        case MAN_SS:
1.95      schwarze  591:                mandoc_vmsg(MANDOCERR_PAR_SKIP, man->parse, n->line, n->pos,
                    592:                    "%s after %s", man_macronames[n->tok],
                    593:                    man_macronames[n->parent->tok]);
1.82      schwarze  594:                /* FALLTHROUGH */
1.91      schwarze  595:        case MAN_MAX:
                    596:                /*
1.82      schwarze  597:                 * Don't warn about this because it occurs in pod2man
                    598:                 * and would cause considerable (unfixable) warnage.
                    599:                 */
1.85      schwarze  600:                man_node_delete(man, n);
1.82      schwarze  601:                break;
                    602:        default:
                    603:                break;
                    604:        }
1.70      kristaps  605:
1.51      kristaps  606:        return(1);
                    607: }

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