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Annotation of mandoc/action.c, Revision 1.35

1.35    ! kristaps    1: /* $Id: action.c,v 1.34 2009/03/08 12:40:27 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:
1.35    ! kristaps  244:        mdoc->last->args->argv[0].value = xcalloc(1, sizeof(char *));
1.33      kristaps  245:        mdoc->last->args->argv[0].sz = 1;
                    246:        mdoc->last->args->argv[0].value[0] = xstrdup(mdoc->meta.name);
1.29      kristaps  247:        return(1);
                    248: }
                    249:
                    250:
                    251: static int
1.10      kristaps  252: post_nm(struct mdoc *mdoc)
                    253: {
                    254:        char             buf[64];
                    255:
                    256:        if (mdoc->meta.name)
                    257:                return(1);
                    258:
1.31      kristaps  259:        (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
                    260:        mdoc->meta.name = xstrdup(buf);
                    261:        mdoc_msg(mdoc, "name: %s", mdoc->meta.name);
1.10      kristaps  262:
1.31      kristaps  263:        return(1);
1.10      kristaps  264: }
                    265:
                    266:
                    267: static int
1.4       kristaps  268: post_sh(struct mdoc *mdoc)
1.1       kristaps  269: {
1.10      kristaps  270:        enum mdoc_sec    sec;
                    271:        char             buf[64];
1.3       kristaps  272:
1.23      kristaps  273:        /*
                    274:         * We keep track of the current section /and/ the "named"
                    275:         * section, which is one of the conventional ones, in order to
                    276:         * check ordering.
                    277:         */
                    278:
1.3       kristaps  279:        if (MDOC_HEAD != mdoc->last->type)
                    280:                return(1);
1.31      kristaps  281:
                    282:        (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
                    283:        if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
                    284:                mdoc->lastnamed = sec;
                    285:
                    286:        mdoc->lastsec = sec;
1.23      kristaps  287:
                    288:        switch (mdoc->lastsec) {
                    289:        case (SEC_RETURN_VALUES):
                    290:                /* FALLTHROUGH */
                    291:        case (SEC_ERRORS):
                    292:                switch (mdoc->meta.msec) {
1.31      kristaps  293:                case (2):
1.23      kristaps  294:                        /* FALLTHROUGH */
1.31      kristaps  295:                case (3):
1.23      kristaps  296:                        /* FALLTHROUGH */
1.31      kristaps  297:                case (9):
1.23      kristaps  298:                        break;
                    299:                default:
1.33      kristaps  300:                        return(mwarn(mdoc, WBADSEC));
1.23      kristaps  301:                }
                    302:                break;
                    303:        default:
                    304:                break;
1.11      kristaps  305:        }
1.23      kristaps  306:        return(1);
1.1       kristaps  307: }
                    308:
1.3       kristaps  309:
1.4       kristaps  310: static int
                    311: post_dt(struct mdoc *mdoc)
                    312: {
1.5       kristaps  313:        struct mdoc_node *n;
1.31      kristaps  314:        const char       *cp;
                    315:        char             *ep;
                    316:        long              lval;
                    317:
                    318:        if (mdoc->meta.title)
                    319:                free(mdoc->meta.title);
                    320:        if (mdoc->meta.vol)
                    321:                free(mdoc->meta.vol);
                    322:        if (mdoc->meta.arch)
                    323:                free(mdoc->meta.arch);
                    324:
                    325:        mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL;
                    326:        mdoc->meta.msec = 0;
                    327:
                    328:        /* Handles: `.Dt'
                    329:         *   --> title = unknown, volume = local, msec = 0, arch = NULL
                    330:         */
                    331:
                    332:        if (NULL == (n = mdoc->last->child)) {
                    333:                mdoc->meta.title = xstrdup("unknown");
                    334:                mdoc->meta.vol = xstrdup("local");
                    335:                mdoc_msg(mdoc, "title: %s", mdoc->meta.title);
                    336:                mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
                    337:                mdoc_msg(mdoc, "arch: <unset>");
                    338:                mdoc_msg(mdoc, "msec: <unset>");
                    339:                return(post_prologue(mdoc));
                    340:        }
1.5       kristaps  341:
1.31      kristaps  342:        /* Handles: `.Dt TITLE'
                    343:         *   --> title = TITLE, volume = local, msec = 0, arch = NULL
1.23      kristaps  344:         */
                    345:
1.33      kristaps  346:        mdoc->meta.title = xstrdup(n->string);
1.31      kristaps  347:        mdoc_msg(mdoc, "title: %s", mdoc->meta.title);
                    348:
                    349:        if (NULL == (n = n->next)) {
                    350:                mdoc->meta.vol = xstrdup("local");
                    351:                mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
                    352:                mdoc_msg(mdoc, "arch: <unset>");
                    353:                mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec);
                    354:                return(post_prologue(mdoc));
                    355:        }
1.5       kristaps  356:
1.31      kristaps  357:        /* Handles: `.Dt TITLE SEC'
                    358:         *   --> title = TITLE, volume = SEC is msec ?
                    359:         *           format(msec) : SEC,
                    360:         *       msec = SEC is msec ? atoi(msec) : 0,
                    361:         *       arch = NULL
                    362:         */
                    363:
1.33      kristaps  364:        if ((cp = mdoc_a2msec(n->string))) {
1.31      kristaps  365:                mdoc->meta.vol = xstrdup(cp);
                    366:                errno = 0;
1.33      kristaps  367:                lval = strtol(n->string, &ep, 10);
                    368:                if (n->string[0] != '\0' && *ep == '\0')
1.31      kristaps  369:                        mdoc->meta.msec = (int)lval;
                    370:        } else
1.33      kristaps  371:                mdoc->meta.vol = xstrdup(n->string);
1.31      kristaps  372:
                    373:        if (NULL == (n = n->next)) {
                    374:                mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
                    375:                mdoc_msg(mdoc, "arch: <unset>");
                    376:                mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec);
                    377:                return(post_prologue(mdoc));
                    378:        }
1.4       kristaps  379:
1.31      kristaps  380:        /* Handles: `.Dt TITLE SEC VOL'
                    381:         *   --> title = TITLE, volume = VOL is vol ?
                    382:         *       format(VOL) :
                    383:         *           VOL is arch ? format(arch) :
                    384:         *               VOL
                    385:         */
1.4       kristaps  386:
1.33      kristaps  387:        if ((cp = mdoc_a2vol(n->string))) {
1.31      kristaps  388:                free(mdoc->meta.vol);
                    389:                mdoc->meta.vol = xstrdup(cp);
                    390:                n = n->next;
                    391:        } else {
1.33      kristaps  392:                cp = mdoc_a2arch(n->string);
1.31      kristaps  393:                if (NULL == cp) {
                    394:                        free(mdoc->meta.vol);
1.33      kristaps  395:                        mdoc->meta.vol = xstrdup(n->string);
1.31      kristaps  396:                } else
                    397:                        mdoc->meta.arch = xstrdup(cp);
                    398:        }
1.4       kristaps  399:
1.31      kristaps  400:        mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
                    401:        mdoc_msg(mdoc, "arch: %s", mdoc->meta.arch ?
                    402:                        mdoc->meta.arch : "<unset>");
                    403:        mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec);
1.13      kristaps  404:
1.31      kristaps  405:        /* Ignore any subsequent parameters... */
1.15      kristaps  406:
1.13      kristaps  407:        return(post_prologue(mdoc));
1.4       kristaps  408: }
                    409:
                    410:
                    411: static int
                    412: post_os(struct mdoc *mdoc)
                    413: {
1.10      kristaps  414:        char              buf[64];
1.31      kristaps  415:        struct utsname    utsname;
1.5       kristaps  416:
1.31      kristaps  417:        if (mdoc->meta.os)
                    418:                free(mdoc->meta.os);
1.23      kristaps  419:
1.31      kristaps  420:        (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
1.5       kristaps  421:
1.31      kristaps  422:        if (0 == buf[0]) {
                    423:                if (-1 == uname(&utsname))
                    424:                        return(mdoc_err(mdoc, "utsname"));
                    425:                (void)xstrlcpy(buf, utsname.sysname, sizeof(buf));
                    426:                (void)xstrlcat(buf, " ", sizeof(buf));
                    427:                (void)xstrlcat(buf, utsname.release, sizeof(buf));
                    428:        }
1.6       kristaps  429:
1.31      kristaps  430:        mdoc->meta.os = xstrdup(buf);
                    431:        mdoc_msg(mdoc, "system: %s", mdoc->meta.os);
                    432:
                    433:        mdoc->lastnamed = mdoc->lastsec = SEC_BODY;
1.13      kristaps  434:
                    435:        return(post_prologue(mdoc));
1.4       kristaps  436: }
                    437:
                    438:
1.20      kristaps  439: static int
1.23      kristaps  440: post_bl_tagwidth(struct mdoc *mdoc)
1.20      kristaps  441: {
1.23      kristaps  442:        struct mdoc_node  *n;
                    443:        int                sz;
1.20      kristaps  444:        char               buf[32];
                    445:
1.23      kristaps  446:        /*
                    447:         * If -tag has been specified and -width has not been, then try
                    448:         * to intuit our width from the first body element.
                    449:         */
                    450:
1.33      kristaps  451:        if (NULL == (n = mdoc->last->body->child))
1.23      kristaps  452:                return(1);
                    453:
                    454:        /*
                    455:         * Use the text width, if a text node, or the default macro
                    456:         * width if a macro.
                    457:         */
                    458:
1.33      kristaps  459:        if ((n = n->head->child)) {
1.23      kristaps  460:                if (MDOC_TEXT != n->type) {
1.33      kristaps  461:                        if (0 == (sz = (int)mdoc_macro2len(n->tok)))
1.23      kristaps  462:                                sz = -1;
                    463:                } else
1.33      kristaps  464:                        sz = (int)strlen(n->string) + 1;
1.23      kristaps  465:        } else
                    466:                sz = -1;
                    467:
                    468:        if (-1 == sz) {
1.33      kristaps  469:                if ( ! mwarn(mdoc, WNOWIDTH))
1.23      kristaps  470:                        return(0);
                    471:                sz = 10;
                    472:        }
                    473:
                    474:        (void)snprintf(buf, sizeof(buf), "%dn", sz);
                    475:
                    476:        /*
                    477:         * We have to dynamically add this to the macro's argument list.
                    478:         * We're guaranteed that a MDOC_Width doesn't already exist.
                    479:         */
                    480:
1.33      kristaps  481:        if (NULL == mdoc->last->args) {
                    482:                mdoc->last->args = xcalloc
                    483:                        (1, sizeof(struct mdoc_arg));
                    484:                mdoc->last->args->refcnt = 1;
                    485:        }
                    486:
                    487:        n = mdoc->last;
                    488:        sz = (int)n->args->argc;
                    489:
                    490:        (n->args->argc)++;
                    491:
                    492:        n->args->argv = xrealloc(n->args->argv,
                    493:                        n->args->argc * sizeof(struct mdoc_arg));
1.23      kristaps  494:
1.33      kristaps  495:        n->args->argv[sz - 1].arg = MDOC_Width;
                    496:        n->args->argv[sz - 1].line = mdoc->last->line;
                    497:        n->args->argv[sz - 1].pos = mdoc->last->pos;
                    498:        n->args->argv[sz - 1].sz = 1;
                    499:        n->args->argv[sz - 1].value = xcalloc(1, sizeof(char *));
                    500:        n->args->argv[sz - 1].value[0] = xstrdup(buf);
1.23      kristaps  501:
1.33      kristaps  502:        mdoc_msg(mdoc, "adding %s argument: %s",
                    503:                        mdoc_argnames[MDOC_Width], buf);
1.23      kristaps  504:
                    505:        return(1);
                    506: }
1.20      kristaps  507:
                    508:
1.23      kristaps  509: static int
1.33      kristaps  510: post_bl_width(struct mdoc *m)
1.23      kristaps  511: {
                    512:        size_t            width;
                    513:        int               i, tok;
                    514:        char              buf[32];
1.34      kristaps  515:        char             *p;
1.23      kristaps  516:
1.33      kristaps  517:        if (NULL == m->last->args)
                    518:                return(merr(m, ENOWIDTH));
                    519:
                    520:        for (i = 0; i < (int)m->last->args->argc; i++)
                    521:                if (MDOC_Width == m->last->args->argv[i].arg)
1.20      kristaps  522:                        break;
                    523:
1.33      kristaps  524:        if (i == (int)m->last->args->argc)
                    525:                return(merr(m, ENOWIDTH));
                    526:
1.34      kristaps  527:        p = m->last->args->argv[i].value[0];
1.23      kristaps  528:
                    529:        /*
                    530:         * If the value to -width is a macro, then we re-write it to be
                    531:         * the macro's width as set in share/tmac/mdoc/doc-common.
                    532:         */
1.20      kristaps  533:
1.34      kristaps  534:        if (xstrcmp(p, "Ds"))
1.26      kristaps  535:                width = 8;
1.34      kristaps  536:        else if (MDOC_MAX == (tok = mdoc_tokhash_find(m->htab, p)))
1.20      kristaps  537:                return(1);
1.24      kristaps  538:        else if (0 == (width = mdoc_macro2len(tok)))
1.33      kristaps  539:                return(mwarn(m, WNOWIDTH));
1.20      kristaps  540:
1.33      kristaps  541:        mdoc_msg(m, "re-writing %s argument: %s -> %zun",
1.34      kristaps  542:                        mdoc_argnames[MDOC_Width], p, width);
1.23      kristaps  543:
                    544:        /* The value already exists: free and reallocate it. */
1.20      kristaps  545:
                    546:        (void)snprintf(buf, sizeof(buf), "%zun", width);
                    547:
1.34      kristaps  548:        free(m->last->args->argv[i].value[0]);
                    549:        m->last->args->argv[i].value[0] = xstrdup(buf);
1.23      kristaps  550:
                    551:        return(1);
                    552: }
                    553:
                    554:
                    555: static int
                    556: post_bl(struct mdoc *mdoc)
                    557: {
1.33      kristaps  558:        int               i, r, len;
1.23      kristaps  559:
                    560:        if (MDOC_BLOCK != mdoc->last->type)
                    561:                return(1);
                    562:
                    563:        /*
                    564:         * These are fairly complicated, so we've broken them into two
                    565:         * functions.  post_bl_tagwidth() is called when a -tag is
                    566:         * specified, but no -width (it must be guessed).  The second
                    567:         * when a -width is specified (macro indicators must be
                    568:         * rewritten into real lengths).
                    569:         */
                    570:
1.33      kristaps  571:        len = (int)(mdoc->last->args ? mdoc->last->args->argc : 0);
                    572:
                    573:        for (r = i = 0; i < len; i++) {
                    574:                if (MDOC_Tag == mdoc->last->args->argv[i].arg)
1.23      kristaps  575:                        r |= 1 << 0;
1.33      kristaps  576:                if (MDOC_Width == mdoc->last->args->argv[i].arg)
1.23      kristaps  577:                        r |= 1 << 1;
                    578:        }
                    579:
                    580:        if (r & (1 << 0) && ! (r & (1 << 1))) {
                    581:                if ( ! post_bl_tagwidth(mdoc))
                    582:                        return(0);
                    583:        } else if (r & (1 << 1))
                    584:                if ( ! post_bl_width(mdoc))
                    585:                        return(0);
1.20      kristaps  586:
                    587:        return(1);
                    588: }
                    589:
                    590:
1.4       kristaps  591: static int
1.30      kristaps  592: post_ar(struct mdoc *mdoc)
                    593: {
                    594:        struct mdoc_node *n;
                    595:
                    596:        if (mdoc->last->child)
                    597:                return(1);
                    598:
                    599:        n = mdoc->last;
                    600:
                    601:        mdoc->next = MDOC_NEXT_CHILD;
1.32      kristaps  602:        if ( ! mdoc_word_alloc(mdoc, mdoc->last->line,
                    603:                                mdoc->last->pos, "file"))
                    604:                return(0);
1.30      kristaps  605:        mdoc->next = MDOC_NEXT_SIBLING;
1.32      kristaps  606:        if ( ! mdoc_word_alloc(mdoc, mdoc->last->line,
                    607:                                mdoc->last->pos, "..."))
                    608:                return(0);
1.30      kristaps  609:
                    610:        mdoc->last = n;
                    611:        mdoc->next = MDOC_NEXT_SIBLING;
                    612:        return(1);
                    613: }
                    614:
                    615:
                    616: static int
1.4       kristaps  617: post_dd(struct mdoc *mdoc)
                    618: {
1.15      kristaps  619:        char              buf[64];
1.4       kristaps  620:
1.31      kristaps  621:        (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
1.5       kristaps  622:
1.33      kristaps  623:        if (0 == (mdoc->meta.date = mdoc_atotime(buf))) {
                    624:                if ( ! mwarn(mdoc, WBADDATE))
                    625:                        return(0);
                    626:                mdoc->meta.date = time(NULL);
                    627:        }
1.5       kristaps  628:
1.15      kristaps  629:        mdoc_msg(mdoc, "date: %u", mdoc->meta.date);
                    630:        return(post_prologue(mdoc));
1.4       kristaps  631: }
                    632:
                    633:
1.13      kristaps  634: static int
                    635: post_prologue(struct mdoc *mdoc)
                    636: {
                    637:        struct mdoc_node *n;
                    638:
1.23      kristaps  639:        /*
                    640:         * The end document shouldn't have the prologue macros as part
                    641:         * of the syntax tree (they encompass only meta-data).
                    642:         */
                    643:
1.13      kristaps  644:        if (mdoc->last->parent->child == mdoc->last)
                    645:                mdoc->last->parent->child = mdoc->last->prev;
                    646:        if (mdoc->last->prev)
                    647:                mdoc->last->prev->next = NULL;
                    648:
                    649:        n = mdoc->last;
                    650:        assert(NULL == mdoc->last->next);
                    651:
                    652:        if (mdoc->last->prev) {
                    653:                mdoc->last = mdoc->last->prev;
                    654:                mdoc->next = MDOC_NEXT_SIBLING;
                    655:        } else {
                    656:                mdoc->last = mdoc->last->parent;
                    657:                mdoc->next = MDOC_NEXT_CHILD;
                    658:        }
                    659:
                    660:        mdoc_node_freelist(n);
                    661:        return(1);
                    662: }
                    663:
                    664:
1.4       kristaps  665: int
                    666: mdoc_action_post(struct mdoc *mdoc)
1.3       kristaps  667: {
                    668:
1.12      kristaps  669:        if (MDOC_ACTED & mdoc->last->flags)
                    670:                return(1);
                    671:        mdoc->last->flags |= MDOC_ACTED;
                    672:
1.7       kristaps  673:        if (MDOC_TEXT == mdoc->last->type)
                    674:                return(1);
                    675:        if (MDOC_ROOT == mdoc->last->type)
1.3       kristaps  676:                return(1);
1.7       kristaps  677:        if (NULL == mdoc_actions[mdoc->last->tok].post)
1.3       kristaps  678:                return(1);
1.7       kristaps  679:        return((*mdoc_actions[mdoc->last->tok].post)(mdoc));
1.3       kristaps  680: }

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