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Annotation of src/usr.bin/mandoc/man_html.c, Revision 1.27

1.27    ! schwarze    1: /*     $Id: man_html.c,v 1.26 2010/12/22 22:35:05 schwarze Exp $ */
1.1       schwarze    2: /*
1.17      schwarze    3:  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.1       schwarze    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 above
                      7:  * copyright notice and this permission notice appear in all copies.
                      8:  *
                      9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <stdio.h>
                     22: #include <stdlib.h>
                     23: #include <string.h>
                     24:
1.14      schwarze   25: #include "mandoc.h"
1.1       schwarze   26: #include "out.h"
                     27: #include "html.h"
                     28: #include "man.h"
                     29: #include "main.h"
                     30:
                     31: /* TODO: preserve ident widths. */
1.2       schwarze   32: /* FIXME: have PD set the default vspace width. */
1.1       schwarze   33:
                     34: #define        INDENT            5
                     35: #define        HALFINDENT        3
                     36:
                     37: #define        MAN_ARGS          const struct man_meta *m, \
                     38:                          const struct man_node *n, \
1.18      schwarze   39:                          struct mhtml *mh, \
1.1       schwarze   40:                          struct html *h
                     41:
1.18      schwarze   42: struct mhtml {
                     43:        int               fl;
                     44: #define        MANH_LITERAL     (1 << 0) /* literal context */
                     45: };
                     46:
1.1       schwarze   47: struct htmlman {
                     48:        int             (*pre)(MAN_ARGS);
                     49:        int             (*post)(MAN_ARGS);
                     50: };
                     51:
                     52: static void              print_man(MAN_ARGS);
                     53: static void              print_man_head(MAN_ARGS);
                     54: static void              print_man_nodelist(MAN_ARGS);
                     55: static void              print_man_node(MAN_ARGS);
                     56:
                     57: static int               a2width(const struct man_node *,
                     58:                                struct roffsu *);
                     59:
                     60: static int               man_alt_pre(MAN_ARGS);
                     61: static int               man_br_pre(MAN_ARGS);
                     62: static int               man_ign_pre(MAN_ARGS);
1.18      schwarze   63: static int               man_in_pre(MAN_ARGS);
                     64: static int               man_literal_pre(MAN_ARGS);
1.1       schwarze   65: static void              man_root_post(MAN_ARGS);
                     66: static int               man_root_pre(MAN_ARGS);
                     67: static int               man_B_pre(MAN_ARGS);
                     68: static int               man_HP_pre(MAN_ARGS);
                     69: static int               man_I_pre(MAN_ARGS);
                     70: static int               man_IP_pre(MAN_ARGS);
                     71: static int               man_PP_pre(MAN_ARGS);
                     72: static int               man_RS_pre(MAN_ARGS);
                     73: static int               man_SH_pre(MAN_ARGS);
                     74: static int               man_SM_pre(MAN_ARGS);
                     75: static int               man_SS_pre(MAN_ARGS);
                     76:
                     77: static const struct htmlman mans[MAN_MAX] = {
                     78:        { man_br_pre, NULL }, /* br */
                     79:        { NULL, NULL }, /* TH */
                     80:        { man_SH_pre, NULL }, /* SH */
                     81:        { man_SS_pre, NULL }, /* SS */
                     82:        { man_IP_pre, NULL }, /* TP */
                     83:        { man_PP_pre, NULL }, /* LP */
                     84:        { man_PP_pre, NULL }, /* PP */
                     85:        { man_PP_pre, NULL }, /* P */
                     86:        { man_IP_pre, NULL }, /* IP */
                     87:        { man_HP_pre, NULL }, /* HP */
                     88:        { man_SM_pre, NULL }, /* SM */
1.26      schwarze   89:        { man_SM_pre, NULL }, /* SB */
1.1       schwarze   90:        { man_alt_pre, NULL }, /* BI */
                     91:        { man_alt_pre, NULL }, /* IB */
                     92:        { man_alt_pre, NULL }, /* BR */
                     93:        { man_alt_pre, NULL }, /* RB */
                     94:        { NULL, NULL }, /* R */
                     95:        { man_B_pre, NULL }, /* B */
                     96:        { man_I_pre, NULL }, /* I */
                     97:        { man_alt_pre, NULL }, /* IR */
                     98:        { man_alt_pre, NULL }, /* RI */
                     99:        { NULL, NULL }, /* na */
                    100:        { man_br_pre, NULL }, /* sp */
1.18      schwarze  101:        { man_literal_pre, NULL }, /* nf */
                    102:        { man_literal_pre, NULL }, /* fi */
1.1       schwarze  103:        { NULL, NULL }, /* RE */
                    104:        { man_RS_pre, NULL }, /* RS */
                    105:        { man_ign_pre, NULL }, /* DT */
                    106:        { man_ign_pre, NULL }, /* UC */
1.2       schwarze  107:        { man_ign_pre, NULL }, /* PD */
1.13      schwarze  108:        { man_ign_pre, NULL }, /* AT */
1.18      schwarze  109:        { man_in_pre, NULL }, /* in */
1.19      schwarze  110:        { NULL, NULL }, /* TS */
                    111:        { NULL, NULL }, /* TE */
1.23      schwarze  112:        { man_ign_pre, NULL }, /* ft */
1.1       schwarze  113: };
                    114:
                    115:
                    116: void
                    117: html_man(void *arg, const struct man *m)
                    118: {
                    119:        struct html     *h;
                    120:        struct tag      *t;
1.18      schwarze  121:        struct mhtml     mh;
1.1       schwarze  122:
                    123:        h = (struct html *)arg;
                    124:
1.5       schwarze  125:        print_gen_decls(h);
1.1       schwarze  126:
1.18      schwarze  127:        memset(&mh, 0, sizeof(struct mhtml));
                    128:
1.1       schwarze  129:        t = print_otag(h, TAG_HTML, 0, NULL);
1.18      schwarze  130:        print_man(man_meta(m), man_node(m), &mh, h);
1.1       schwarze  131:        print_tagq(h, t);
                    132:
                    133:        printf("\n");
                    134: }
                    135:
                    136:
                    137: static void
                    138: print_man(MAN_ARGS)
                    139: {
                    140:        struct tag      *t;
                    141:
                    142:        t = print_otag(h, TAG_HEAD, 0, NULL);
1.18      schwarze  143:        print_man_head(m, n, mh, h);
1.1       schwarze  144:        print_tagq(h, t);
1.25      schwarze  145:
1.1       schwarze  146:        t = print_otag(h, TAG_BODY, 0, NULL);
1.18      schwarze  147:        print_man_nodelist(m, n, mh, h);
1.1       schwarze  148:        print_tagq(h, t);
                    149: }
                    150:
                    151:
                    152: /* ARGSUSED */
                    153: static void
                    154: print_man_head(MAN_ARGS)
                    155: {
                    156:
                    157:        print_gen_head(h);
                    158:        bufinit(h);
1.10      schwarze  159:        buffmt(h, "%s(%s)", m->title, m->msec);
1.1       schwarze  160:
                    161:        print_otag(h, TAG_TITLE, 0, NULL);
                    162:        print_text(h, h->buf);
                    163: }
                    164:
                    165:
                    166: static void
                    167: print_man_nodelist(MAN_ARGS)
                    168: {
                    169:
1.18      schwarze  170:        print_man_node(m, n, mh, h);
1.1       schwarze  171:        if (n->next)
1.18      schwarze  172:                print_man_nodelist(m, n->next, mh, h);
1.1       schwarze  173: }
                    174:
                    175:
                    176: static void
                    177: print_man_node(MAN_ARGS)
                    178: {
                    179:        int              child;
                    180:        struct tag      *t;
                    181:
                    182:        child = 1;
1.2       schwarze  183:        t = h->tags.head;
1.1       schwarze  184:
                    185:        bufinit(h);
                    186:
1.7       schwarze  187:        /*
                    188:         * FIXME: embedded elements within next-line scopes (e.g., `br'
                    189:         * within an empty `B') will cause formatting to be forgotten
                    190:         * due to scope closing out.
                    191:         */
                    192:
1.1       schwarze  193:        switch (n->type) {
                    194:        case (MAN_ROOT):
1.18      schwarze  195:                child = man_root_pre(m, n, mh, h);
1.1       schwarze  196:                break;
                    197:        case (MAN_TEXT):
                    198:                print_text(h, n->string);
1.18      schwarze  199:
                    200:                if (MANH_LITERAL & mh->fl)
                    201:                        print_otag(h, TAG_BR, 0, NULL);
                    202:
1.4       schwarze  203:                return;
1.1       schwarze  204:        default:
1.4       schwarze  205:                /*
                    206:                 * Close out scope of font prior to opening a macro
                    207:                 * scope.  Assert that the metafont is on the top of the
                    208:                 * stack (it's never nested).
                    209:                 */
1.27    ! schwarze  210:                if (HTMLFONT_NONE != h->metac) {
        !           211:                        h->metal = h->metac;
        !           212:                        h->metac = HTMLFONT_NONE;
1.4       schwarze  213:                }
1.1       schwarze  214:                if (mans[n->tok].pre)
1.18      schwarze  215:                        child = (*mans[n->tok].pre)(m, n, mh, h);
1.1       schwarze  216:                break;
                    217:        }
                    218:
                    219:        if (child && n->child)
1.18      schwarze  220:                print_man_nodelist(m, n->child, mh, h);
1.1       schwarze  221:
1.4       schwarze  222:        /* This will automatically close out any font scope. */
1.1       schwarze  223:        print_stagq(h, t);
                    224:
                    225:        bufinit(h);
                    226:
                    227:        switch (n->type) {
                    228:        case (MAN_ROOT):
1.18      schwarze  229:                man_root_post(m, n, mh, h);
1.1       schwarze  230:                break;
                    231:        case (MAN_TEXT):
                    232:                break;
                    233:        default:
                    234:                if (mans[n->tok].post)
1.18      schwarze  235:                        (*mans[n->tok].post)(m, n, mh, h);
1.1       schwarze  236:                break;
                    237:        }
                    238: }
                    239:
                    240:
                    241: static int
                    242: a2width(const struct man_node *n, struct roffsu *su)
                    243: {
                    244:
                    245:        if (MAN_TEXT != n->type)
                    246:                return(0);
                    247:        if (a2roffsu(n->string, su, SCALE_BU))
                    248:                return(1);
                    249:
                    250:        return(0);
                    251: }
                    252:
                    253:
                    254: /* ARGSUSED */
                    255: static int
                    256: man_root_pre(MAN_ARGS)
                    257: {
1.26      schwarze  258:        struct htmlpair  tag[3];
1.1       schwarze  259:        struct tag      *t, *tt;
                    260:        char             b[BUFSIZ], title[BUFSIZ];
                    261:
                    262:        b[0] = 0;
                    263:        if (m->vol)
                    264:                (void)strlcat(b, m->vol, BUFSIZ);
                    265:
1.10      schwarze  266:        snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
1.1       schwarze  267:
1.26      schwarze  268:        PAIR_SUMMARY_INIT(&tag[0], "Document Header");
                    269:        PAIR_CLASS_INIT(&tag[1], "head");
                    270:        if (NULL == h->style) {
                    271:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    272:                t = print_otag(h, TAG_TABLE, 3, tag);
                    273:                PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
                    274:                print_otag(h, TAG_COL, 1, tag);
                    275:                print_otag(h, TAG_COL, 1, tag);
                    276:                print_otag(h, TAG_COL, 1, tag);
                    277:        } else
                    278:                t = print_otag(h, TAG_TABLE, 2, tag);
                    279:
                    280:        print_otag(h, TAG_TBODY, 0, NULL);
1.3       schwarze  281:
1.1       schwarze  282:        tt = print_otag(h, TAG_TR, 0, NULL);
                    283:
1.25      schwarze  284:        PAIR_CLASS_INIT(&tag[0], "head-ltitle");
1.1       schwarze  285:        print_otag(h, TAG_TD, 1, tag);
1.25      schwarze  286:
1.1       schwarze  287:        print_text(h, title);
                    288:        print_stagq(h, tt);
                    289:
1.25      schwarze  290:        PAIR_CLASS_INIT(&tag[0], "head-vol");
1.26      schwarze  291:        if (NULL == h->style) {
                    292:                PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
                    293:                print_otag(h, TAG_TD, 2, tag);
                    294:        } else
                    295:                print_otag(h, TAG_TD, 1, tag);
1.25      schwarze  296:
1.1       schwarze  297:        print_text(h, b);
                    298:        print_stagq(h, tt);
                    299:
1.25      schwarze  300:        PAIR_CLASS_INIT(&tag[0], "head-rtitle");
1.26      schwarze  301:        if (NULL == h->style) {
                    302:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    303:                print_otag(h, TAG_TD, 2, tag);
                    304:        } else
                    305:                print_otag(h, TAG_TD, 1, tag);
1.25      schwarze  306:
1.1       schwarze  307:        print_text(h, title);
                    308:        print_tagq(h, t);
                    309:        return(1);
                    310: }
                    311:
                    312:
                    313: /* ARGSUSED */
                    314: static void
                    315: man_root_post(MAN_ARGS)
                    316: {
1.26      schwarze  317:        struct htmlpair  tag[3];
1.1       schwarze  318:        struct tag      *t, *tt;
1.2       schwarze  319:        char             b[DATESIZ];
1.1       schwarze  320:
1.15      schwarze  321:        if (m->rawdate)
                    322:                strlcpy(b, m->rawdate, DATESIZ);
                    323:        else
                    324:                time2a(m->date, b, DATESIZ);
1.1       schwarze  325:
1.26      schwarze  326:        PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
                    327:        PAIR_CLASS_INIT(&tag[1], "foot");
                    328:        if (NULL == h->style) {
                    329:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    330:                t = print_otag(h, TAG_TABLE, 3, tag);
                    331:                PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
                    332:                print_otag(h, TAG_COL, 1, tag);
                    333:                print_otag(h, TAG_COL, 1, tag);
                    334:        } else
                    335:                t = print_otag(h, TAG_TABLE, 2, tag);
1.3       schwarze  336:
1.1       schwarze  337:        tt = print_otag(h, TAG_TR, 0, NULL);
                    338:
1.25      schwarze  339:        PAIR_CLASS_INIT(&tag[0], "foot-date");
1.1       schwarze  340:        print_otag(h, TAG_TD, 1, tag);
1.25      schwarze  341:
1.1       schwarze  342:        print_text(h, b);
                    343:        print_stagq(h, tt);
                    344:
1.25      schwarze  345:        PAIR_CLASS_INIT(&tag[0], "foot-os");
1.26      schwarze  346:        if (NULL == h->style) {
                    347:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    348:                print_otag(h, TAG_TD, 2, tag);
                    349:        } else
                    350:                print_otag(h, TAG_TD, 1, tag);
1.25      schwarze  351:
1.1       schwarze  352:        if (m->source)
                    353:                print_text(h, m->source);
                    354:        print_tagq(h, t);
                    355: }
                    356:
                    357:
                    358:
                    359: /* ARGSUSED */
                    360: static int
                    361: man_br_pre(MAN_ARGS)
                    362: {
                    363:        struct roffsu    su;
                    364:        struct htmlpair  tag;
                    365:
                    366:        SCALE_VS_INIT(&su, 1);
                    367:
1.21      schwarze  368:        if (MAN_sp == n->tok) {
1.8       schwarze  369:                if (n->child)
                    370:                        a2roffsu(n->child->string, &su, SCALE_VS);
1.21      schwarze  371:        } else
1.1       schwarze  372:                su.scale = 0;
                    373:
                    374:        bufcat_su(h, "height", &su);
                    375:        PAIR_STYLE_INIT(&tag, h);
                    376:        print_otag(h, TAG_DIV, 1, &tag);
1.4       schwarze  377:
1.3       schwarze  378:        /* So the div isn't empty: */
                    379:        print_text(h, "\\~");
                    380:
1.1       schwarze  381:        return(0);
                    382: }
                    383:
                    384:
                    385: /* ARGSUSED */
                    386: static int
                    387: man_SH_pre(MAN_ARGS)
                    388: {
1.25      schwarze  389:        struct htmlpair  tag;
1.1       schwarze  390:
1.25      schwarze  391:        if (MAN_BLOCK == n->type) {
                    392:                PAIR_CLASS_INIT(&tag, "section");
                    393:                print_otag(h, TAG_DIV, 1, &tag);
1.1       schwarze  394:                return(1);
1.25      schwarze  395:        } else if (MAN_BODY == n->type)
1.1       schwarze  396:                return(1);
                    397:
1.25      schwarze  398:        print_otag(h, TAG_H1, 0, NULL);
1.1       schwarze  399:        return(1);
                    400: }
                    401:
                    402:
                    403: /* ARGSUSED */
                    404: static int
                    405: man_alt_pre(MAN_ARGS)
                    406: {
                    407:        const struct man_node   *nn;
1.27    ! schwarze  408:        int              i;
        !           409:        enum htmltag     fp;
        !           410:        struct tag      *t;
1.1       schwarze  411:
                    412:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.27    ! schwarze  413:                t = NULL;
1.1       schwarze  414:                switch (n->tok) {
                    415:                case (MAN_BI):
1.27    ! schwarze  416:                        fp = i % 2 ? TAG_I : TAG_B;
1.1       schwarze  417:                        break;
                    418:                case (MAN_IB):
1.27    ! schwarze  419:                        fp = i % 2 ? TAG_B : TAG_I;
1.1       schwarze  420:                        break;
                    421:                case (MAN_RI):
1.27    ! schwarze  422:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.1       schwarze  423:                        break;
                    424:                case (MAN_IR):
1.27    ! schwarze  425:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.1       schwarze  426:                        break;
                    427:                case (MAN_BR):
1.27    ! schwarze  428:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.1       schwarze  429:                        break;
                    430:                case (MAN_RB):
1.27    ! schwarze  431:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.1       schwarze  432:                        break;
                    433:                default:
                    434:                        abort();
                    435:                        /* NOTREACHED */
                    436:                }
                    437:
                    438:                if (i)
                    439:                        h->flags |= HTML_NOSPACE;
                    440:
1.27    ! schwarze  441:                if (TAG_MAX != fp)
        !           442:                        t = print_otag(h, fp, 0, NULL);
        !           443:
1.18      schwarze  444:                print_man_node(m, nn, mh, h);
1.27    ! schwarze  445:
        !           446:                if (t)
        !           447:                        print_tagq(h, t);
1.1       schwarze  448:        }
                    449:
                    450:        return(0);
                    451: }
                    452:
                    453:
                    454: /* ARGSUSED */
                    455: static int
1.26      schwarze  456: man_SM_pre(MAN_ARGS)
1.1       schwarze  457: {
                    458:
1.27    ! schwarze  459:        print_otag(h, TAG_SMALL, 0, NULL);
1.26      schwarze  460:        if (MAN_SB == n->tok)
1.27    ! schwarze  461:                print_otag(h, TAG_B, 0, NULL);
1.1       schwarze  462:        return(1);
                    463: }
                    464:
                    465:
                    466: /* ARGSUSED */
                    467: static int
                    468: man_SS_pre(MAN_ARGS)
                    469: {
1.25      schwarze  470:        struct htmlpair  tag;
1.1       schwarze  471:
1.25      schwarze  472:        if (MAN_BLOCK == n->type) {
                    473:                PAIR_CLASS_INIT(&tag, "subsection");
                    474:                print_otag(h, TAG_DIV, 1, &tag);
1.1       schwarze  475:                return(1);
1.25      schwarze  476:        } else if (MAN_BODY == n->type)
1.1       schwarze  477:                return(1);
                    478:
1.25      schwarze  479:        print_otag(h, TAG_H2, 0, NULL);
1.1       schwarze  480:        return(1);
                    481: }
                    482:
                    483:
                    484: /* ARGSUSED */
                    485: static int
                    486: man_PP_pre(MAN_ARGS)
                    487: {
                    488:
1.22      schwarze  489:        if (MAN_HEAD == n->type)
                    490:                return(0);
1.26      schwarze  491:        else if (MAN_BODY == n->type && n->prev)
                    492:                print_otag(h, TAG_P, 0, NULL);
1.22      schwarze  493:
1.1       schwarze  494:        return(1);
                    495: }
                    496:
                    497:
                    498: /* ARGSUSED */
                    499: static int
                    500: man_IP_pre(MAN_ARGS)
                    501: {
                    502:        struct roffsu            su;
                    503:        struct htmlpair          tag;
                    504:        const struct man_node   *nn;
                    505:        int                      width;
                    506:
                    507:        /*
                    508:         * This scattering of 1-BU margins and pads is to make sure that
                    509:         * when text overruns its box, the subsequent text isn't flush
                    510:         * up against it.  However, the rest of the right-hand box must
                    511:         * also be adjusted in consideration of this 1-BU space.
                    512:         */
                    513:
                    514:        if (MAN_BODY == n->type) {
1.26      schwarze  515:                print_otag(h, TAG_TD, 0, NULL);
1.1       schwarze  516:                return(1);
                    517:        }
                    518:
                    519:        nn = MAN_BLOCK == n->type ?
                    520:                n->head->child : n->parent->head->child;
                    521:
                    522:        SCALE_HS_INIT(&su, INDENT);
                    523:        width = 0;
                    524:
1.7       schwarze  525:        /* Width is the last token. */
                    526:
1.1       schwarze  527:        if (MAN_IP == n->tok && NULL != nn)
                    528:                if (NULL != (nn = nn->next)) {
                    529:                        for ( ; nn->next; nn = nn->next)
                    530:                                /* Do nothing. */ ;
                    531:                        width = a2width(nn, &su);
                    532:                }
                    533:
1.7       schwarze  534:        /* Width is the first token. */
                    535:
                    536:        if (MAN_TP == n->tok && NULL != nn) {
                    537:                /* Skip past non-text children. */
                    538:                while (nn && MAN_TEXT != nn->type)
                    539:                        nn = nn->next;
                    540:                if (nn)
                    541:                        width = a2width(nn, &su);
                    542:        }
1.1       schwarze  543:
                    544:        if (MAN_BLOCK == n->type) {
1.26      schwarze  545:                print_otag(h, TAG_P, 0, NULL);
                    546:                print_otag(h, TAG_TABLE, 0, NULL);
                    547:                bufcat_su(h, "width", &su);
1.1       schwarze  548:                PAIR_STYLE_INIT(&tag, h);
1.26      schwarze  549:                print_otag(h, TAG_COL, 1, &tag);
                    550:                print_otag(h, TAG_COL, 0, NULL);
                    551:                print_otag(h, TAG_TBODY, 0, NULL);
                    552:                print_otag(h, TAG_TR, 0, NULL);
1.1       schwarze  553:                return(1);
                    554:        }
                    555:
1.26      schwarze  556:        print_otag(h, TAG_TD, 0, NULL);
1.1       schwarze  557:
1.7       schwarze  558:        /*
                    559:         * Without a length string, we can print all of our children.
                    560:         */
1.1       schwarze  561:
                    562:        if ( ! width)
                    563:                return(1);
1.7       schwarze  564:
                    565:        /*
                    566:         * When a length has been specified, we need to carefully print
                    567:         * our child context:  IP gets all children printed but the last
                    568:         * (the width), while TP gets all children printed but the first
                    569:         * (the width).
                    570:         */
1.1       schwarze  571:
                    572:        if (MAN_IP == n->tok)
                    573:                for (nn = n->child; nn->next; nn = nn->next)
1.18      schwarze  574:                        print_man_node(m, nn, mh, h);
1.1       schwarze  575:        if (MAN_TP == n->tok)
                    576:                for (nn = n->child->next; nn; nn = nn->next)
1.18      schwarze  577:                        print_man_node(m, nn, mh, h);
1.1       schwarze  578:
                    579:        return(0);
                    580: }
                    581:
                    582:
                    583: /* ARGSUSED */
                    584: static int
                    585: man_HP_pre(MAN_ARGS)
                    586: {
1.26      schwarze  587:        struct htmlpair  tag;
                    588:        struct roffsu    su;
                    589:        const struct man_node *np;
1.1       schwarze  590:
1.26      schwarze  591:        np = MAN_BLOCK == n->type ?
                    592:                n->head->child :
                    593:                n->parent->head->child;
1.1       schwarze  594:
1.26      schwarze  595:        if (NULL == np || ! a2width(np, &su))
                    596:                SCALE_HS_INIT(&su, INDENT);
1.1       schwarze  597:
1.26      schwarze  598:        if (MAN_HEAD == n->type) {
                    599:                print_otag(h, TAG_TD, 0, NULL);
                    600:                return(0);
                    601:        } else if (MAN_BLOCK == n->type) {
                    602:                print_otag(h, TAG_P, 0, NULL);
                    603:                print_otag(h, TAG_TABLE, 0, NULL);
                    604:                bufcat_su(h, "width", &su);
1.1       schwarze  605:                PAIR_STYLE_INIT(&tag, h);
1.26      schwarze  606:                print_otag(h, TAG_COL, 1, &tag);
                    607:                print_otag(h, TAG_COL, 0, NULL);
                    608:                print_otag(h, TAG_TBODY, 0, NULL);
                    609:                print_otag(h, TAG_TR, 0, NULL);
1.1       schwarze  610:                return(1);
                    611:        }
                    612:
1.26      schwarze  613:        su.scale = -su.scale;
1.1       schwarze  614:        bufcat_su(h, "text-indent", &su);
                    615:        PAIR_STYLE_INIT(&tag, h);
1.26      schwarze  616:        print_otag(h, TAG_TD, 1, &tag);
1.1       schwarze  617:        return(1);
                    618: }
                    619:
                    620:
                    621: /* ARGSUSED */
                    622: static int
                    623: man_B_pre(MAN_ARGS)
                    624: {
                    625:
1.27    ! schwarze  626:        print_otag(h, TAG_B, 0, NULL);
1.1       schwarze  627:        return(1);
                    628: }
                    629:
                    630:
                    631: /* ARGSUSED */
                    632: static int
                    633: man_I_pre(MAN_ARGS)
                    634: {
1.4       schwarze  635:
1.27    ! schwarze  636:        print_otag(h, TAG_I, 0, NULL);
1.1       schwarze  637:        return(1);
1.18      schwarze  638: }
                    639:
                    640:
                    641: /* ARGSUSED */
                    642: static int
                    643: man_literal_pre(MAN_ARGS)
                    644: {
                    645:
1.21      schwarze  646:        if (MAN_nf == n->tok) {
1.18      schwarze  647:                print_otag(h, TAG_BR, 0, NULL);
                    648:                mh->fl |= MANH_LITERAL;
1.21      schwarze  649:        } else
1.18      schwarze  650:                mh->fl &= ~MANH_LITERAL;
                    651:
                    652:        return(1);
                    653: }
                    654:
                    655:
                    656: /* ARGSUSED */
                    657: static int
                    658: man_in_pre(MAN_ARGS)
                    659: {
                    660:
                    661:        print_otag(h, TAG_BR, 0, NULL);
                    662:        return(0);
1.1       schwarze  663: }
                    664:
                    665:
                    666: /* ARGSUSED */
                    667: static int
                    668: man_ign_pre(MAN_ARGS)
                    669: {
                    670:
                    671:        return(0);
                    672: }
                    673:
                    674:
                    675: /* ARGSUSED */
                    676: static int
                    677: man_RS_pre(MAN_ARGS)
                    678: {
                    679:        struct htmlpair  tag;
                    680:        struct roffsu    su;
                    681:
                    682:        if (MAN_HEAD == n->type)
                    683:                return(0);
                    684:        else if (MAN_BODY == n->type)
                    685:                return(1);
                    686:
                    687:        SCALE_HS_INIT(&su, INDENT);
1.26      schwarze  688:        if (n->head->child)
1.1       schwarze  689:                a2width(n->head->child, &su);
                    690:
1.26      schwarze  691:        bufcat_su(h, "margin-left", &su);
1.1       schwarze  692:        PAIR_STYLE_INIT(&tag, h);
                    693:        print_otag(h, TAG_DIV, 1, &tag);
                    694:        return(1);
                    695: }