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Annotation of mandoc/man_validate.c, Revision 1.95

1.95    ! schwarze    1: /*     $Id: man_validate.c,v 1.94 2014/07/01 22:37:15 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++)
1.85      schwarze  233:                man_pmsg(man, n->line, (int)(p - cp), MANDOCERR_BADTAB);
1.1       kristaps  234: }
                    235:
                    236: #define        INEQ_DEFINE(x, ineq, name) \
                    237: static int \
1.17      kristaps  238: check_##name(CHKARGS) \
1.1       kristaps  239: { \
1.11      kristaps  240:        if (n->nchild ineq (x)) \
1.1       kristaps  241:                return(1); \
1.85      schwarze  242:        mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, n->pos, \
1.91      schwarze  243:            "line arguments %s %d (have %d)", \
                    244:            #ineq, (x), n->nchild); \
1.60      schwarze  245:        return(1); \
1.1       kristaps  246: }
                    247:
                    248: INEQ_DEFINE(0, ==, eq0)
1.80      kristaps  249: INEQ_DEFINE(2, ==, eq2)
1.25      kristaps  250: INEQ_DEFINE(1, <=, le1)
1.1       kristaps  251: INEQ_DEFINE(2, >=, ge2)
                    252: INEQ_DEFINE(5, <=, le5)
1.86      schwarze  253:
                    254: static int
                    255: check_head1(CHKARGS)
                    256: {
                    257:
                    258:        if (MAN_HEAD == n->type && 1 != n->nchild)
                    259:                mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line,
                    260:                    n->pos, "line arguments eq 1 (have %d)", n->nchild);
                    261:
                    262:        return(1);
                    263: }
1.1       kristaps  264:
1.55      kristaps  265: static int
1.73      kristaps  266: post_ft(CHKARGS)
1.55      kristaps  267: {
                    268:        char    *cp;
                    269:        int      ok;
                    270:
                    271:        if (0 == n->nchild)
                    272:                return(1);
                    273:
                    274:        ok = 0;
                    275:        cp = n->child->string;
                    276:        switch (*cp) {
1.91      schwarze  277:        case '1':
1.55      kristaps  278:                /* FALLTHROUGH */
1.91      schwarze  279:        case '2':
1.55      kristaps  280:                /* FALLTHROUGH */
1.91      schwarze  281:        case '3':
1.55      kristaps  282:                /* FALLTHROUGH */
1.91      schwarze  283:        case '4':
1.55      kristaps  284:                /* FALLTHROUGH */
1.91      schwarze  285:        case 'I':
1.55      kristaps  286:                /* FALLTHROUGH */
1.91      schwarze  287:        case 'P':
1.55      kristaps  288:                /* FALLTHROUGH */
1.91      schwarze  289:        case 'R':
1.55      kristaps  290:                if ('\0' == cp[1])
                    291:                        ok = 1;
                    292:                break;
1.91      schwarze  293:        case 'B':
1.55      kristaps  294:                if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2]))
                    295:                        ok = 1;
                    296:                break;
1.91      schwarze  297:        case 'C':
1.55      kristaps  298:                if ('W' == cp[1] && '\0' == cp[2])
                    299:                        ok = 1;
                    300:                break;
                    301:        default:
                    302:                break;
                    303:        }
                    304:
                    305:        if (0 == ok) {
1.91      schwarze  306:                mandoc_vmsg(MANDOCERR_BADFONT, man->parse, n->line,
                    307:                    n->pos, "%s", cp);
1.55      kristaps  308:                *cp = '\0';
                    309:        }
                    310:
                    311:        if (1 < n->nchild)
1.91      schwarze  312:                mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line,
                    313:                    n->pos, "want one child (have %d)", n->nchild);
1.55      kristaps  314:
                    315:        return(1);
                    316: }
1.16      kristaps  317:
                    318: static int
1.73      kristaps  319: pre_sec(CHKARGS)
                    320: {
                    321:
                    322:        if (MAN_BLOCK == n->type)
1.85      schwarze  323:                man->flags &= ~MAN_LITERAL;
1.73      kristaps  324:        return(1);
                    325: }
                    326:
                    327: static int
                    328: post_sec(CHKARGS)
1.17      kristaps  329: {
1.16      kristaps  330:
1.91      schwarze  331:        if ( ! (MAN_HEAD == n->type && 0 == n->nchild))
1.69      kristaps  332:                return(1);
1.41      kristaps  333:
1.85      schwarze  334:        man_nmsg(man, n, MANDOCERR_SYNTARGCOUNT);
1.69      kristaps  335:        return(0);
1.16      kristaps  336: }
1.17      kristaps  337:
                    338: static int
1.23      kristaps  339: check_part(CHKARGS)
                    340: {
                    341:
                    342:        if (MAN_BODY == n->type && 0 == n->nchild)
1.91      schwarze  343:                mandoc_msg(MANDOCERR_ARGCWARN, man->parse, n->line,
                    344:                    n->pos, "want children (have none)");
1.54      kristaps  345:
1.23      kristaps  346:        return(1);
                    347: }
                    348:
                    349: static int
1.17      kristaps  350: check_par(CHKARGS)
                    351: {
                    352:
1.59      kristaps  353:        switch (n->type) {
1.91      schwarze  354:        case MAN_BLOCK:
1.59      kristaps  355:                if (0 == n->body->nchild)
1.85      schwarze  356:                        man_node_delete(man, n);
1.59      kristaps  357:                break;
1.91      schwarze  358:        case MAN_BODY:
1.59      kristaps  359:                if (0 == n->nchild)
1.95    ! schwarze  360:                        mandoc_vmsg(MANDOCERR_PAR_SKIP,
        !           361:                            man->parse, n->line, n->pos,
        !           362:                            "%s empty", man_macronames[n->tok]);
1.59      kristaps  363:                break;
1.91      schwarze  364:        case MAN_HEAD:
1.59      kristaps  365:                if (n->nchild)
1.85      schwarze  366:                        man_nmsg(man, n, MANDOCERR_ARGSLOST);
1.59      kristaps  367:                break;
                    368:        default:
                    369:                break;
                    370:        }
1.17      kristaps  371:
                    372:        return(1);
                    373: }
                    374:
1.83      schwarze  375: static int
                    376: post_IP(CHKARGS)
                    377: {
                    378:
                    379:        switch (n->type) {
1.91      schwarze  380:        case MAN_BLOCK:
1.83      schwarze  381:                if (0 == n->head->nchild && 0 == n->body->nchild)
1.85      schwarze  382:                        man_node_delete(man, n);
1.83      schwarze  383:                break;
1.91      schwarze  384:        case MAN_BODY:
1.83      schwarze  385:                if (0 == n->parent->head->nchild && 0 == n->nchild)
1.95    ! schwarze  386:                        mandoc_vmsg(MANDOCERR_PAR_SKIP,
        !           387:                            man->parse, n->line, n->pos,
        !           388:                            "%s empty", man_macronames[n->tok]);
1.83      schwarze  389:                break;
                    390:        default:
                    391:                break;
                    392:        }
                    393:        return(1);
                    394: }
1.17      kristaps  395:
1.51      kristaps  396: static int
                    397: post_TH(CHKARGS)
                    398: {
1.92      schwarze  399:        struct man_node *nb;
1.60      schwarze  400:        const char      *p;
1.51      kristaps  401:
1.85      schwarze  402:        free(man->meta.title);
                    403:        free(man->meta.vol);
                    404:        free(man->meta.source);
                    405:        free(man->meta.msec);
                    406:        free(man->meta.date);
1.51      kristaps  407:
1.85      schwarze  408:        man->meta.title = man->meta.vol = man->meta.date =
1.91      schwarze  409:            man->meta.msec = man->meta.source = NULL;
1.51      kristaps  410:
1.92      schwarze  411:        nb = n;
                    412:
1.51      kristaps  413:        /* ->TITLE<- MSEC DATE SOURCE VOL */
                    414:
                    415:        n = n->child;
1.60      schwarze  416:        if (n && n->string) {
                    417:                for (p = n->string; '\0' != *p; p++) {
                    418:                        /* Only warn about this once... */
1.91      schwarze  419:                        if (isalpha((unsigned char)*p) &&
                    420:                            ! isupper((unsigned char)*p)) {
1.94      schwarze  421:                                mandoc_msg(MANDOCERR_TITLE_CASE,
                    422:                                    man->parse, n->line,
                    423:                                    n->pos + (p - n->string),
                    424:                                    n->string);
1.60      schwarze  425:                                break;
                    426:                        }
                    427:                }
1.85      schwarze  428:                man->meta.title = mandoc_strdup(n->string);
1.60      schwarze  429:        } else
1.85      schwarze  430:                man->meta.title = mandoc_strdup("");
1.51      kristaps  431:
                    432:        /* TITLE ->MSEC<- DATE SOURCE VOL */
                    433:
1.60      schwarze  434:        if (n)
                    435:                n = n->next;
                    436:        if (n && n->string)
1.85      schwarze  437:                man->meta.msec = mandoc_strdup(n->string);
1.60      schwarze  438:        else
1.85      schwarze  439:                man->meta.msec = mandoc_strdup("");
1.51      kristaps  440:
                    441:        /* TITLE MSEC ->DATE<- SOURCE VOL */
                    442:
1.60      schwarze  443:        if (n)
                    444:                n = n->next;
1.77      schwarze  445:        if (n && n->string && '\0' != n->string[0]) {
1.88      schwarze  446:                man->meta.date = man->quick ?
                    447:                    mandoc_strdup(n->string) :
                    448:                    mandoc_normdate(man->parse, n->string,
                    449:                        n->line, n->pos);
1.92      schwarze  450:        } else {
1.85      schwarze  451:                man->meta.date = mandoc_strdup("");
1.92      schwarze  452:                man_nmsg(man, n ? n : nb, MANDOCERR_DATE_MISSING);
                    453:        }
1.51      kristaps  454:
                    455:        /* TITLE MSEC DATE ->SOURCE<- VOL */
                    456:
                    457:        if (n && (n = n->next))
1.85      schwarze  458:                man->meta.source = mandoc_strdup(n->string);
1.51      kristaps  459:
                    460:        /* TITLE MSEC DATE SOURCE ->VOL<- */
1.79      schwarze  461:        /* If missing, use the default VOL name for MSEC. */
1.51      kristaps  462:
                    463:        if (n && (n = n->next))
1.85      schwarze  464:                man->meta.vol = mandoc_strdup(n->string);
                    465:        else if ('\0' != man->meta.msec[0] &&
                    466:            (NULL != (p = mandoc_a2msec(man->meta.msec))))
                    467:                man->meta.vol = mandoc_strdup(p);
1.51      kristaps  468:
                    469:        /*
                    470:         * Remove the `TH' node after we've processed it for our
                    471:         * meta-data.
                    472:         */
1.85      schwarze  473:        man_node_delete(man, man->last);
1.51      kristaps  474:        return(1);
                    475: }
                    476:
                    477: static int
                    478: post_nf(CHKARGS)
                    479: {
                    480:
1.85      schwarze  481:        if (MAN_LITERAL & man->flags)
                    482:                man_nmsg(man, n, MANDOCERR_SCOPEREP);
1.51      kristaps  483:
1.85      schwarze  484:        man->flags |= MAN_LITERAL;
1.51      kristaps  485:        return(1);
                    486: }
                    487:
                    488: static int
                    489: post_fi(CHKARGS)
                    490: {
                    491:
1.85      schwarze  492:        if ( ! (MAN_LITERAL & man->flags))
                    493:                man_nmsg(man, n, MANDOCERR_WNOSCOPE);
1.51      kristaps  494:
1.85      schwarze  495:        man->flags &= ~MAN_LITERAL;
1.51      kristaps  496:        return(1);
                    497: }
                    498:
                    499: static int
                    500: post_UC(CHKARGS)
                    501: {
                    502:        static const char * const bsd_versions[] = {
                    503:            "3rd Berkeley Distribution",
                    504:            "4th Berkeley Distribution",
                    505:            "4.2 Berkeley Distribution",
                    506:            "4.3 Berkeley Distribution",
                    507:            "4.4 Berkeley Distribution",
                    508:        };
                    509:
                    510:        const char      *p, *s;
                    511:
                    512:        n = n->child;
                    513:
                    514:        if (NULL == n || MAN_TEXT != n->type)
                    515:                p = bsd_versions[0];
                    516:        else {
                    517:                s = n->string;
                    518:                if (0 == strcmp(s, "3"))
                    519:                        p = bsd_versions[0];
                    520:                else if (0 == strcmp(s, "4"))
                    521:                        p = bsd_versions[1];
                    522:                else if (0 == strcmp(s, "5"))
                    523:                        p = bsd_versions[2];
                    524:                else if (0 == strcmp(s, "6"))
                    525:                        p = bsd_versions[3];
                    526:                else if (0 == strcmp(s, "7"))
                    527:                        p = bsd_versions[4];
                    528:                else
                    529:                        p = bsd_versions[0];
                    530:        }
                    531:
1.85      schwarze  532:        free(man->meta.source);
                    533:        man->meta.source = mandoc_strdup(p);
1.51      kristaps  534:        return(1);
                    535: }
                    536:
                    537: static int
                    538: post_AT(CHKARGS)
                    539: {
                    540:        static const char * const unix_versions[] = {
                    541:            "7th Edition",
                    542:            "System III",
                    543:            "System V",
                    544:            "System V Release 2",
                    545:        };
                    546:
                    547:        const char      *p, *s;
                    548:        struct man_node *nn;
                    549:
                    550:        n = n->child;
                    551:
                    552:        if (NULL == n || MAN_TEXT != n->type)
                    553:                p = unix_versions[0];
                    554:        else {
                    555:                s = n->string;
                    556:                if (0 == strcmp(s, "3"))
                    557:                        p = unix_versions[0];
                    558:                else if (0 == strcmp(s, "4"))
                    559:                        p = unix_versions[1];
                    560:                else if (0 == strcmp(s, "5")) {
                    561:                        nn = n->next;
                    562:                        if (nn && MAN_TEXT == nn->type && nn->string[0])
                    563:                                p = unix_versions[3];
                    564:                        else
                    565:                                p = unix_versions[2];
                    566:                } else
                    567:                        p = unix_versions[0];
                    568:        }
                    569:
1.85      schwarze  570:        free(man->meta.source);
                    571:        man->meta.source = mandoc_strdup(p);
1.70      kristaps  572:        return(1);
                    573: }
                    574:
                    575: static int
                    576: post_vs(CHKARGS)
                    577: {
                    578:
1.82      schwarze  579:        if (NULL != n->prev)
                    580:                return(1);
                    581:
                    582:        switch (n->parent->tok) {
1.91      schwarze  583:        case MAN_SH:
1.82      schwarze  584:                /* FALLTHROUGH */
1.91      schwarze  585:        case MAN_SS:
1.95    ! schwarze  586:                mandoc_vmsg(MANDOCERR_PAR_SKIP, man->parse, n->line, n->pos,
        !           587:                    "%s after %s", man_macronames[n->tok],
        !           588:                    man_macronames[n->parent->tok]);
1.82      schwarze  589:                /* FALLTHROUGH */
1.91      schwarze  590:        case MAN_MAX:
                    591:                /*
1.82      schwarze  592:                 * Don't warn about this because it occurs in pod2man
                    593:                 * and would cause considerable (unfixable) warnage.
                    594:                 */
1.85      schwarze  595:                man_node_delete(man, n);
1.82      schwarze  596:                break;
                    597:        default:
                    598:                break;
                    599:        }
1.70      kristaps  600:
1.51      kristaps  601:        return(1);
                    602: }

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