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Annotation of mandoc/action.c, Revision 1.33

1.33    ! kristaps    1: /* $Id: action.c,v 1.32 2009/03/06 14:24:49 kristaps Exp $ */
1.1       kristaps    2: /*
                      3:  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
                      4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the
                      7:  * above copyright notice and this permission notice appear in all
                      8:  * copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
                     11:  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
                     12:  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
                     13:  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
                     14:  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
                     15:  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
                     16:  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
                     17:  * PERFORMANCE OF THIS SOFTWARE.
                     18:  */
1.31      kristaps   19: #include <sys/utsname.h>
                     20:
1.1       kristaps   21: #include <assert.h>
1.31      kristaps   22: #include <errno.h>
1.20      kristaps   23: #include <stdio.h>
1.1       kristaps   24: #include <stdlib.h>
1.20      kristaps   25: #include <string.h>
1.5       kristaps   26: #include <time.h>
1.1       kristaps   27:
                     28: #include "private.h"
                     29:
1.14      kristaps   30: /*
                     31:  * Actions are executed on macros after they've been post-validated: in
                     32:  * other words, a macro will not be "acted upon" until all of its
                     33:  * children have been filled in (post-fix order).
                     34:  */
1.1       kristaps   35:
1.33    ! kristaps   36: enum   merr {
        !            37:        ENOWIDTH
        !            38: };
        !            39:
        !            40: enum   mwarn {
        !            41:        WBADSEC,
        !            42:        WNOWIDTH,
        !            43:        WBADDATE
        !            44: };
        !            45:
1.1       kristaps   46: struct actions {
1.10      kristaps   47:        int     (*post)(struct mdoc *);
1.1       kristaps   48: };
                     49:
1.33    ! kristaps   50: static int      nwarn(struct mdoc *,
        !            51:                        const struct mdoc_node *, enum mwarn);
        !            52: static int      nerr(struct mdoc *,
        !            53:                        const struct mdoc_node *, enum merr);
1.30      kristaps   54: static int      post_ar(struct mdoc *);
1.20      kristaps   55: static int      post_bl(struct mdoc *);
1.23      kristaps   56: static int      post_bl_width(struct mdoc *);
                     57: static int      post_bl_tagwidth(struct mdoc *);
1.29      kristaps   58: static int      post_dd(struct mdoc *);
1.13      kristaps   59: static int      post_dt(struct mdoc *);
                     60: static int      post_nm(struct mdoc *);
1.29      kristaps   61: static int      post_os(struct mdoc *);
                     62: static int      post_sh(struct mdoc *);
1.30      kristaps   63: static int      post_ex(struct mdoc *);
1.13      kristaps   64: static int      post_prologue(struct mdoc *);
1.3       kristaps   65:
1.1       kristaps   66: const  struct actions mdoc_actions[MDOC_MAX] = {
1.10      kristaps   67:        { NULL }, /* \" */
                     68:        { post_dd }, /* Dd */
                     69:        { post_dt }, /* Dt */
                     70:        { post_os }, /* Os */
                     71:        { post_sh }, /* Sh */
                     72:        { NULL }, /* Ss */
                     73:        { NULL }, /* Pp */
                     74:        { NULL }, /* D1 */
                     75:        { NULL }, /* Dl */
                     76:        { NULL }, /* Bd */
                     77:        { NULL }, /* Ed */
1.20      kristaps   78:        { post_bl }, /* Bl */
1.10      kristaps   79:        { NULL }, /* El */
                     80:        { NULL }, /* It */
                     81:        { NULL }, /* Ad */
                     82:        { NULL }, /* An */
1.30      kristaps   83:        { post_ar }, /* Ar */
1.10      kristaps   84:        { NULL }, /* Cd */
                     85:        { NULL }, /* Cm */
                     86:        { NULL }, /* Dv */
                     87:        { NULL }, /* Er */
                     88:        { NULL }, /* Ev */
1.29      kristaps   89:        { post_ex }, /* Ex */
1.10      kristaps   90:        { NULL }, /* Fa */
                     91:        { NULL }, /* Fd */
                     92:        { NULL }, /* Fl */
                     93:        { NULL }, /* Fn */
                     94:        { NULL }, /* Ft */
                     95:        { NULL }, /* Ic */
                     96:        { NULL }, /* In */
                     97:        { NULL }, /* Li */
                     98:        { NULL }, /* Nd */
                     99:        { post_nm }, /* Nm */
                    100:        { NULL }, /* Op */
                    101:        { NULL }, /* Ot */
                    102:        { NULL }, /* Pa */
                    103:        { NULL }, /* Rv */
                    104:        { NULL }, /* St */
                    105:        { NULL }, /* Va */
                    106:        { NULL }, /* Vt */
                    107:        { NULL }, /* Xr */
                    108:        { NULL }, /* %A */
                    109:        { NULL }, /* %B */
                    110:        { NULL }, /* %D */
                    111:        { NULL }, /* %I */
                    112:        { NULL }, /* %J */
                    113:        { NULL }, /* %N */
                    114:        { NULL }, /* %O */
                    115:        { NULL }, /* %P */
                    116:        { NULL }, /* %R */
                    117:        { NULL }, /* %T */
                    118:        { NULL }, /* %V */
                    119:        { NULL }, /* Ac */
                    120:        { NULL }, /* Ao */
                    121:        { NULL }, /* Aq */
                    122:        { NULL }, /* At */
                    123:        { NULL }, /* Bc */
                    124:        { NULL }, /* Bf */
                    125:        { NULL }, /* Bo */
                    126:        { NULL }, /* Bq */
                    127:        { NULL }, /* Bsx */
                    128:        { NULL }, /* Bx */
                    129:        { NULL }, /* Db */
                    130:        { NULL }, /* Dc */
                    131:        { NULL }, /* Do */
                    132:        { NULL }, /* Dq */
                    133:        { NULL }, /* Ec */
                    134:        { NULL }, /* Ef */
                    135:        { NULL }, /* Em */
                    136:        { NULL }, /* Eo */
                    137:        { NULL }, /* Fx */
                    138:        { NULL }, /* Ms */
                    139:        { NULL }, /* No */
                    140:        { NULL }, /* Ns */
                    141:        { NULL }, /* Nx */
                    142:        { NULL }, /* Ox */
                    143:        { NULL }, /* Pc */
                    144:        { NULL }, /* Pf */
                    145:        { NULL }, /* Po */
                    146:        { NULL }, /* Pq */
                    147:        { NULL }, /* Qc */
                    148:        { NULL }, /* Ql */
                    149:        { NULL }, /* Qo */
                    150:        { NULL }, /* Qq */
                    151:        { NULL }, /* Re */
                    152:        { NULL }, /* Rs */
                    153:        { NULL }, /* Sc */
                    154:        { NULL }, /* So */
                    155:        { NULL }, /* Sq */
                    156:        { NULL }, /* Sm */
                    157:        { NULL }, /* Sx */
                    158:        { NULL }, /* Sy */
                    159:        { NULL }, /* Tn */
                    160:        { NULL }, /* Ux */
                    161:        { NULL }, /* Xc */
                    162:        { NULL }, /* Xo */
                    163:        { NULL }, /* Fo */
                    164:        { NULL }, /* Fc */
                    165:        { NULL }, /* Oo */
                    166:        { NULL }, /* Oc */
                    167:        { NULL }, /* Bk */
                    168:        { NULL }, /* Ek */
                    169:        { NULL }, /* Bt */
                    170:        { NULL }, /* Hf */
                    171:        { NULL }, /* Fr */
                    172:        { NULL }, /* Ud */
1.31      kristaps  173:        { NULL }, /* Lb */
1.1       kristaps  174: };
                    175:
                    176:
1.33    ! kristaps  177: #define        merr(m, t) nerr((m), (m)->last, (t))
        !           178: static int
        !           179: nerr(struct mdoc *m, const struct mdoc_node *n, enum merr type)
        !           180: {
        !           181:        char            *p;
        !           182:
        !           183:        p = NULL;
        !           184:
        !           185:        switch (type) {
        !           186:        case (ENOWIDTH):
        !           187:                p = "missing width argument";
        !           188:                break;
        !           189:        }
        !           190:
        !           191:        assert(p);
        !           192:        return(mdoc_nerr(m, n, p));
        !           193: }
        !           194:
        !           195:
        !           196: #define        mwarn(m, t) nwarn((m), (m)->last, (t))
        !           197: static int
        !           198: nwarn(struct mdoc *m, const struct mdoc_node *n, enum mwarn type)
        !           199: {
        !           200:        char            *p;
        !           201:        int              c;
        !           202:
        !           203:        p = NULL;
        !           204:        c = WARN_SYNTAX;
        !           205:
        !           206:        switch (type) {
        !           207:        case (WBADSEC):
        !           208:                p = "inappropriate document section in manual section";
        !           209:                c = WARN_COMPAT;
        !           210:                break;
        !           211:        case (WNOWIDTH):
        !           212:                p = "cannot determine default width";
        !           213:                break;
        !           214:        case (WBADDATE):
        !           215:                p = "malformed date syntax";
        !           216:                break;
        !           217:        }
        !           218:
        !           219:        assert(p);
        !           220:        return(mdoc_nwarn(m, n, c, p));
        !           221: }
        !           222:
        !           223:
1.3       kristaps  224: static int
1.29      kristaps  225: post_ex(struct mdoc *mdoc)
                    226: {
                    227:
                    228:        /*
                    229:         * If `.Ex -std' is invoked without an argument, fill it in with
                    230:         * our name (if it's been set).
                    231:         */
                    232:
1.33    ! kristaps  233:        if (NULL == mdoc->last->args)
1.29      kristaps  234:                return(1);
1.33    ! kristaps  235:        if (mdoc->last->args->argv[0].sz)
1.29      kristaps  236:                return(1);
                    237:
1.30      kristaps  238:        assert(mdoc->meta.name);
1.29      kristaps  239:
                    240:        mdoc_msg(mdoc, "writing %s argument: %s",
1.33    ! kristaps  241:                        mdoc_argnames[MDOC_Std],
        !           242:                        mdoc->meta.name);
1.29      kristaps  243:
1.33    ! kristaps  244:        assert(1 == mdoc->last->args->argv[0].sz);
        !           245:
        !           246:        mdoc->last->args->argv[0].sz = 1;
        !           247:        mdoc->last->args->argv[0].value = xcalloc(1, sizeof(char *));
        !           248:        mdoc->last->args->argv[0].value[0] = xstrdup(mdoc->meta.name);
1.29      kristaps  249:        return(1);
                    250: }
                    251:
                    252:
                    253: static int
1.10      kristaps  254: post_nm(struct mdoc *mdoc)
                    255: {
                    256:        char             buf[64];
                    257:
                    258:        if (mdoc->meta.name)
                    259:                return(1);
                    260:
1.31      kristaps  261:        (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
                    262:        mdoc->meta.name = xstrdup(buf);
                    263:        mdoc_msg(mdoc, "name: %s", mdoc->meta.name);
1.10      kristaps  264:
1.31      kristaps  265:        return(1);
1.10      kristaps  266: }
                    267:
                    268:
                    269: static int
1.4       kristaps  270: post_sh(struct mdoc *mdoc)
1.1       kristaps  271: {
1.10      kristaps  272:        enum mdoc_sec    sec;
                    273:        char             buf[64];
1.3       kristaps  274:
1.23      kristaps  275:        /*
                    276:         * We keep track of the current section /and/ the "named"
                    277:         * section, which is one of the conventional ones, in order to
                    278:         * check ordering.
                    279:         */
                    280:
1.3       kristaps  281:        if (MDOC_HEAD != mdoc->last->type)
                    282:                return(1);
1.31      kristaps  283:
                    284:        (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
                    285:        if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
                    286:                mdoc->lastnamed = sec;
                    287:
                    288:        mdoc->lastsec = sec;
1.23      kristaps  289:
                    290:        switch (mdoc->lastsec) {
                    291:        case (SEC_RETURN_VALUES):
                    292:                /* FALLTHROUGH */
                    293:        case (SEC_ERRORS):
                    294:                switch (mdoc->meta.msec) {
1.31      kristaps  295:                case (2):
1.23      kristaps  296:                        /* FALLTHROUGH */
1.31      kristaps  297:                case (3):
1.23      kristaps  298:                        /* FALLTHROUGH */
1.31      kristaps  299:                case (9):
1.23      kristaps  300:                        break;
                    301:                default:
1.33    ! kristaps  302:                        return(mwarn(mdoc, WBADSEC));
1.23      kristaps  303:                }
                    304:                break;
                    305:        default:
                    306:                break;
1.11      kristaps  307:        }
1.23      kristaps  308:        return(1);
1.1       kristaps  309: }
                    310:
1.3       kristaps  311:
1.4       kristaps  312: static int
                    313: post_dt(struct mdoc *mdoc)
                    314: {
1.5       kristaps  315:        struct mdoc_node *n;
1.31      kristaps  316:        const char       *cp;
                    317:        char             *ep;
                    318:        long              lval;
                    319:
                    320:        if (mdoc->meta.title)
                    321:                free(mdoc->meta.title);
                    322:        if (mdoc->meta.vol)
                    323:                free(mdoc->meta.vol);
                    324:        if (mdoc->meta.arch)
                    325:                free(mdoc->meta.arch);
                    326:
                    327:        mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL;
                    328:        mdoc->meta.msec = 0;
                    329:
                    330:        /* Handles: `.Dt'
                    331:         *   --> title = unknown, volume = local, msec = 0, arch = NULL
                    332:         */
                    333:
                    334:        if (NULL == (n = mdoc->last->child)) {
                    335:                mdoc->meta.title = xstrdup("unknown");
                    336:                mdoc->meta.vol = xstrdup("local");
                    337:                mdoc_msg(mdoc, "title: %s", mdoc->meta.title);
                    338:                mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
                    339:                mdoc_msg(mdoc, "arch: <unset>");
                    340:                mdoc_msg(mdoc, "msec: <unset>");
                    341:                return(post_prologue(mdoc));
                    342:        }
1.5       kristaps  343:
1.31      kristaps  344:        /* Handles: `.Dt TITLE'
                    345:         *   --> title = TITLE, volume = local, msec = 0, arch = NULL
1.23      kristaps  346:         */
                    347:
1.33    ! kristaps  348:        mdoc->meta.title = xstrdup(n->string);
1.31      kristaps  349:        mdoc_msg(mdoc, "title: %s", mdoc->meta.title);
                    350:
                    351:        if (NULL == (n = n->next)) {
                    352:                mdoc->meta.vol = xstrdup("local");
                    353:                mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
                    354:                mdoc_msg(mdoc, "arch: <unset>");
                    355:                mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec);
                    356:                return(post_prologue(mdoc));
                    357:        }
1.5       kristaps  358:
1.31      kristaps  359:        /* Handles: `.Dt TITLE SEC'
                    360:         *   --> title = TITLE, volume = SEC is msec ?
                    361:         *           format(msec) : SEC,
                    362:         *       msec = SEC is msec ? atoi(msec) : 0,
                    363:         *       arch = NULL
                    364:         */
                    365:
1.33    ! kristaps  366:        if ((cp = mdoc_a2msec(n->string))) {
1.31      kristaps  367:                mdoc->meta.vol = xstrdup(cp);
                    368:                errno = 0;
1.33    ! kristaps  369:                lval = strtol(n->string, &ep, 10);
        !           370:                if (n->string[0] != '\0' && *ep == '\0')
1.31      kristaps  371:                        mdoc->meta.msec = (int)lval;
                    372:        } else
1.33    ! kristaps  373:                mdoc->meta.vol = xstrdup(n->string);
1.31      kristaps  374:
                    375:        if (NULL == (n = n->next)) {
                    376:                mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
                    377:                mdoc_msg(mdoc, "arch: <unset>");
                    378:                mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec);
                    379:                return(post_prologue(mdoc));
                    380:        }
1.4       kristaps  381:
1.31      kristaps  382:        /* Handles: `.Dt TITLE SEC VOL'
                    383:         *   --> title = TITLE, volume = VOL is vol ?
                    384:         *       format(VOL) :
                    385:         *           VOL is arch ? format(arch) :
                    386:         *               VOL
                    387:         */
1.4       kristaps  388:
1.33    ! kristaps  389:        if ((cp = mdoc_a2vol(n->string))) {
1.31      kristaps  390:                free(mdoc->meta.vol);
                    391:                mdoc->meta.vol = xstrdup(cp);
                    392:                n = n->next;
                    393:        } else {
1.33    ! kristaps  394:                cp = mdoc_a2arch(n->string);
1.31      kristaps  395:                if (NULL == cp) {
                    396:                        free(mdoc->meta.vol);
1.33    ! kristaps  397:                        mdoc->meta.vol = xstrdup(n->string);
1.31      kristaps  398:                } else
                    399:                        mdoc->meta.arch = xstrdup(cp);
                    400:        }
1.4       kristaps  401:
1.31      kristaps  402:        mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
                    403:        mdoc_msg(mdoc, "arch: %s", mdoc->meta.arch ?
                    404:                        mdoc->meta.arch : "<unset>");
                    405:        mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec);
1.13      kristaps  406:
1.31      kristaps  407:        /* Ignore any subsequent parameters... */
1.15      kristaps  408:
1.13      kristaps  409:        return(post_prologue(mdoc));
1.4       kristaps  410: }
                    411:
                    412:
                    413: static int
                    414: post_os(struct mdoc *mdoc)
                    415: {
1.10      kristaps  416:        char              buf[64];
1.31      kristaps  417:        struct utsname    utsname;
1.5       kristaps  418:
1.31      kristaps  419:        if (mdoc->meta.os)
                    420:                free(mdoc->meta.os);
1.23      kristaps  421:
1.31      kristaps  422:        (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
1.5       kristaps  423:
1.31      kristaps  424:        if (0 == buf[0]) {
                    425:                if (-1 == uname(&utsname))
                    426:                        return(mdoc_err(mdoc, "utsname"));
                    427:                (void)xstrlcpy(buf, utsname.sysname, sizeof(buf));
                    428:                (void)xstrlcat(buf, " ", sizeof(buf));
                    429:                (void)xstrlcat(buf, utsname.release, sizeof(buf));
                    430:        }
1.6       kristaps  431:
1.31      kristaps  432:        mdoc->meta.os = xstrdup(buf);
                    433:        mdoc_msg(mdoc, "system: %s", mdoc->meta.os);
                    434:
                    435:        mdoc->lastnamed = mdoc->lastsec = SEC_BODY;
1.13      kristaps  436:
                    437:        return(post_prologue(mdoc));
1.4       kristaps  438: }
                    439:
                    440:
1.20      kristaps  441: static int
1.23      kristaps  442: post_bl_tagwidth(struct mdoc *mdoc)
1.20      kristaps  443: {
1.23      kristaps  444:        struct mdoc_node  *n;
                    445:        int                sz;
1.20      kristaps  446:        char               buf[32];
                    447:
1.23      kristaps  448:        /*
                    449:         * If -tag has been specified and -width has not been, then try
                    450:         * to intuit our width from the first body element.
                    451:         */
                    452:
1.33    ! kristaps  453:        if (NULL == (n = mdoc->last->body->child))
1.23      kristaps  454:                return(1);
                    455:
                    456:        /*
                    457:         * Use the text width, if a text node, or the default macro
                    458:         * width if a macro.
                    459:         */
                    460:
1.33    ! kristaps  461:        if ((n = n->head->child)) {
1.23      kristaps  462:                if (MDOC_TEXT != n->type) {
1.33    ! kristaps  463:                        if (0 == (sz = (int)mdoc_macro2len(n->tok)))
1.23      kristaps  464:                                sz = -1;
                    465:                } else
1.33    ! kristaps  466:                        sz = (int)strlen(n->string) + 1;
1.23      kristaps  467:        } else
                    468:                sz = -1;
                    469:
                    470:        if (-1 == sz) {
1.33    ! kristaps  471:                if ( ! mwarn(mdoc, WNOWIDTH))
1.23      kristaps  472:                        return(0);
                    473:                sz = 10;
                    474:        }
                    475:
                    476:        (void)snprintf(buf, sizeof(buf), "%dn", sz);
                    477:
                    478:        /*
                    479:         * We have to dynamically add this to the macro's argument list.
                    480:         * We're guaranteed that a MDOC_Width doesn't already exist.
                    481:         */
                    482:
1.33    ! kristaps  483:        if (NULL == mdoc->last->args) {
        !           484:                mdoc->last->args = xcalloc
        !           485:                        (1, sizeof(struct mdoc_arg));
        !           486:                mdoc->last->args->refcnt = 1;
        !           487:        }
        !           488:
        !           489:        n = mdoc->last;
        !           490:        sz = (int)n->args->argc;
        !           491:
        !           492:        (n->args->argc)++;
        !           493:
        !           494:        n->args->argv = xrealloc(n->args->argv,
        !           495:                        n->args->argc * sizeof(struct mdoc_arg));
1.23      kristaps  496:
1.33    ! kristaps  497:        n->args->argv[sz - 1].arg = MDOC_Width;
        !           498:        n->args->argv[sz - 1].line = mdoc->last->line;
        !           499:        n->args->argv[sz - 1].pos = mdoc->last->pos;
        !           500:        n->args->argv[sz - 1].sz = 1;
        !           501:        n->args->argv[sz - 1].value = xcalloc(1, sizeof(char *));
        !           502:        n->args->argv[sz - 1].value[0] = xstrdup(buf);
1.23      kristaps  503:
1.33    ! kristaps  504:        mdoc_msg(mdoc, "adding %s argument: %s",
        !           505:                        mdoc_argnames[MDOC_Width], buf);
1.23      kristaps  506:
                    507:        return(1);
                    508: }
1.20      kristaps  509:
                    510:
1.23      kristaps  511: static int
1.33    ! kristaps  512: post_bl_width(struct mdoc *m)
1.23      kristaps  513: {
                    514:        size_t            width;
                    515:        int               i, tok;
                    516:        char              buf[32];
                    517:        char            **p;
                    518:
1.33    ! kristaps  519:        if (NULL == m->last->args)
        !           520:                return(merr(m, ENOWIDTH));
        !           521:
        !           522:        for (i = 0; i < (int)m->last->args->argc; i++)
        !           523:                if (MDOC_Width == m->last->args->argv[i].arg)
1.20      kristaps  524:                        break;
                    525:
1.33    ! kristaps  526:        if (i == (int)m->last->args->argc)
        !           527:                return(merr(m, ENOWIDTH));
        !           528:
        !           529:        p = &m->last->args->argv[i].value[0];
1.23      kristaps  530:
                    531:        /*
                    532:         * If the value to -width is a macro, then we re-write it to be
                    533:         * the macro's width as set in share/tmac/mdoc/doc-common.
                    534:         */
1.20      kristaps  535:
1.28      kristaps  536:        if (xstrcmp(*p, "Ds"))
1.26      kristaps  537:                width = 8;
1.33    ! kristaps  538:        else if (MDOC_MAX == (tok = mdoc_tokhash_find(m->htab, *p)))
1.20      kristaps  539:                return(1);
1.24      kristaps  540:        else if (0 == (width = mdoc_macro2len(tok)))
1.33    ! kristaps  541:                return(mwarn(m, WNOWIDTH));
1.20      kristaps  542:
1.33    ! kristaps  543:        mdoc_msg(m, "re-writing %s argument: %s -> %zun",
1.23      kristaps  544:                        mdoc_argnames[MDOC_Width], *p, width);
                    545:
                    546:        /* The value already exists: free and reallocate it. */
1.20      kristaps  547:
                    548:        (void)snprintf(buf, sizeof(buf), "%zun", width);
                    549:
1.23      kristaps  550:        free(*p);
1.33    ! kristaps  551:        *p = xstrdup(buf);
1.23      kristaps  552:
                    553:        return(1);
                    554: }
                    555:
                    556:
                    557: static int
                    558: post_bl(struct mdoc *mdoc)
                    559: {
1.33    ! kristaps  560:        int               i, r, len;
1.23      kristaps  561:
                    562:        if (MDOC_BLOCK != mdoc->last->type)
                    563:                return(1);
                    564:
                    565:        /*
                    566:         * These are fairly complicated, so we've broken them into two
                    567:         * functions.  post_bl_tagwidth() is called when a -tag is
                    568:         * specified, but no -width (it must be guessed).  The second
                    569:         * when a -width is specified (macro indicators must be
                    570:         * rewritten into real lengths).
                    571:         */
                    572:
1.33    ! kristaps  573:        len = (int)(mdoc->last->args ? mdoc->last->args->argc : 0);
        !           574:
        !           575:        for (r = i = 0; i < len; i++) {
        !           576:                if (MDOC_Tag == mdoc->last->args->argv[i].arg)
1.23      kristaps  577:                        r |= 1 << 0;
1.33    ! kristaps  578:                if (MDOC_Width == mdoc->last->args->argv[i].arg)
1.23      kristaps  579:                        r |= 1 << 1;
                    580:        }
                    581:
                    582:        if (r & (1 << 0) && ! (r & (1 << 1))) {
                    583:                if ( ! post_bl_tagwidth(mdoc))
                    584:                        return(0);
                    585:        } else if (r & (1 << 1))
                    586:                if ( ! post_bl_width(mdoc))
                    587:                        return(0);
1.20      kristaps  588:
                    589:        return(1);
                    590: }
                    591:
                    592:
1.4       kristaps  593: static int
1.30      kristaps  594: post_ar(struct mdoc *mdoc)
                    595: {
                    596:        struct mdoc_node *n;
                    597:
                    598:        if (mdoc->last->child)
                    599:                return(1);
                    600:
                    601:        n = mdoc->last;
                    602:
                    603:        mdoc->next = MDOC_NEXT_CHILD;
1.32      kristaps  604:        if ( ! mdoc_word_alloc(mdoc, mdoc->last->line,
                    605:                                mdoc->last->pos, "file"))
                    606:                return(0);
1.30      kristaps  607:        mdoc->next = MDOC_NEXT_SIBLING;
1.32      kristaps  608:        if ( ! mdoc_word_alloc(mdoc, mdoc->last->line,
                    609:                                mdoc->last->pos, "..."))
                    610:                return(0);
1.30      kristaps  611:
                    612:        mdoc->last = n;
                    613:        mdoc->next = MDOC_NEXT_SIBLING;
                    614:        return(1);
                    615: }
                    616:
                    617:
                    618: static int
1.4       kristaps  619: post_dd(struct mdoc *mdoc)
                    620: {
1.15      kristaps  621:        char              buf[64];
1.4       kristaps  622:
1.31      kristaps  623:        (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
1.5       kristaps  624:
1.33    ! kristaps  625:        if (0 == (mdoc->meta.date = mdoc_atotime(buf))) {
        !           626:                if ( ! mwarn(mdoc, WBADDATE))
        !           627:                        return(0);
        !           628:                mdoc->meta.date = time(NULL);
        !           629:        }
1.5       kristaps  630:
1.15      kristaps  631:        mdoc_msg(mdoc, "date: %u", mdoc->meta.date);
                    632:        return(post_prologue(mdoc));
1.4       kristaps  633: }
                    634:
                    635:
1.13      kristaps  636: static int
                    637: post_prologue(struct mdoc *mdoc)
                    638: {
                    639:        struct mdoc_node *n;
                    640:
1.23      kristaps  641:        /*
                    642:         * The end document shouldn't have the prologue macros as part
                    643:         * of the syntax tree (they encompass only meta-data).
                    644:         */
                    645:
1.13      kristaps  646:        if (mdoc->last->parent->child == mdoc->last)
                    647:                mdoc->last->parent->child = mdoc->last->prev;
                    648:        if (mdoc->last->prev)
                    649:                mdoc->last->prev->next = NULL;
                    650:
                    651:        n = mdoc->last;
                    652:        assert(NULL == mdoc->last->next);
                    653:
                    654:        if (mdoc->last->prev) {
                    655:                mdoc->last = mdoc->last->prev;
                    656:                mdoc->next = MDOC_NEXT_SIBLING;
                    657:        } else {
                    658:                mdoc->last = mdoc->last->parent;
                    659:                mdoc->next = MDOC_NEXT_CHILD;
                    660:        }
                    661:
                    662:        mdoc_node_freelist(n);
                    663:        return(1);
                    664: }
                    665:
                    666:
1.4       kristaps  667: int
                    668: mdoc_action_post(struct mdoc *mdoc)
1.3       kristaps  669: {
                    670:
1.12      kristaps  671:        if (MDOC_ACTED & mdoc->last->flags)
                    672:                return(1);
                    673:        mdoc->last->flags |= MDOC_ACTED;
                    674:
1.7       kristaps  675:        if (MDOC_TEXT == mdoc->last->type)
                    676:                return(1);
                    677:        if (MDOC_ROOT == mdoc->last->type)
1.3       kristaps  678:                return(1);
1.7       kristaps  679:        if (NULL == mdoc_actions[mdoc->last->tok].post)
1.3       kristaps  680:                return(1);
1.7       kristaps  681:        return((*mdoc_actions[mdoc->last->tok].post)(mdoc));
1.3       kristaps  682: }

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