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Annotation of mandoc/man_html.c, Revision 1.60

1.60    ! kristaps    1: /*     $Id: man_html.c,v 1.59 2011/01/04 01:23:18 schwarze Exp $ */
1.1       kristaps    2: /*
1.42      schwarze    3:  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.1       kristaps    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:  */
1.25      kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
1.5       kristaps   23: #include <assert.h>
                     24: #include <ctype.h>
1.2       kristaps   25: #include <stdio.h>
1.1       kristaps   26: #include <stdlib.h>
1.4       kristaps   27: #include <string.h>
1.1       kristaps   28:
1.35      kristaps   29: #include "mandoc.h"
1.7       kristaps   30: #include "out.h"
1.1       kristaps   31: #include "html.h"
                     32: #include "man.h"
1.10      kristaps   33: #include "main.h"
1.1       kristaps   34:
1.6       kristaps   35: /* TODO: preserve ident widths. */
1.13      kristaps   36: /* FIXME: have PD set the default vspace width. */
1.6       kristaps   37:
                     38: #define        INDENT            5
1.4       kristaps   39: #define        HALFINDENT        3
                     40:
1.3       kristaps   41: #define        MAN_ARGS          const struct man_meta *m, \
                     42:                          const struct man_node *n, \
1.45      kristaps   43:                          struct mhtml *mh, \
1.3       kristaps   44:                          struct html *h
                     45:
1.45      kristaps   46: struct mhtml {
                     47:        int               fl;
                     48: #define        MANH_LITERAL     (1 << 0) /* literal context */
                     49: };
                     50:
1.3       kristaps   51: struct htmlman {
                     52:        int             (*pre)(MAN_ARGS);
                     53:        int             (*post)(MAN_ARGS);
                     54: };
                     55:
                     56: static void              print_man(MAN_ARGS);
                     57: static void              print_man_head(MAN_ARGS);
1.4       kristaps   58: static void              print_man_nodelist(MAN_ARGS);
                     59: static void              print_man_node(MAN_ARGS);
1.3       kristaps   60:
1.7       kristaps   61: static int               a2width(const struct man_node *,
                     62:                                struct roffsu *);
1.5       kristaps   63:
1.8       kristaps   64: static int               man_alt_pre(MAN_ARGS);
1.4       kristaps   65: static int               man_br_pre(MAN_ARGS);
1.8       kristaps   66: static int               man_ign_pre(MAN_ARGS);
1.45      kristaps   67: static int               man_in_pre(MAN_ARGS);
                     68: static int               man_literal_pre(MAN_ARGS);
1.8       kristaps   69: static void              man_root_post(MAN_ARGS);
                     70: static int               man_root_pre(MAN_ARGS);
                     71: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   72: static int               man_HP_pre(MAN_ARGS);
1.8       kristaps   73: static int               man_I_pre(MAN_ARGS);
1.5       kristaps   74: static int               man_IP_pre(MAN_ARGS);
1.4       kristaps   75: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   76: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   77: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   78: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   79: static int               man_SS_pre(MAN_ARGS);
                     80:
1.3       kristaps   81: static const struct htmlman mans[MAN_MAX] = {
1.4       kristaps   82:        { man_br_pre, NULL }, /* br */
1.3       kristaps   83:        { NULL, NULL }, /* TH */
1.4       kristaps   84:        { man_SH_pre, NULL }, /* SH */
                     85:        { man_SS_pre, NULL }, /* SS */
1.6       kristaps   86:        { man_IP_pre, NULL }, /* TP */
1.4       kristaps   87:        { man_PP_pre, NULL }, /* LP */
                     88:        { man_PP_pre, NULL }, /* PP */
                     89:        { man_PP_pre, NULL }, /* P */
1.5       kristaps   90:        { man_IP_pre, NULL }, /* IP */
1.6       kristaps   91:        { man_HP_pre, NULL }, /* HP */
1.8       kristaps   92:        { man_SM_pre, NULL }, /* SM */
1.56      kristaps   93:        { man_SM_pre, NULL }, /* SB */
1.8       kristaps   94:        { man_alt_pre, NULL }, /* BI */
                     95:        { man_alt_pre, NULL }, /* IB */
                     96:        { man_alt_pre, NULL }, /* BR */
                     97:        { man_alt_pre, NULL }, /* RB */
1.3       kristaps   98:        { NULL, NULL }, /* R */
1.8       kristaps   99:        { man_B_pre, NULL }, /* B */
                    100:        { man_I_pre, NULL }, /* I */
                    101:        { man_alt_pre, NULL }, /* IR */
                    102:        { man_alt_pre, NULL }, /* RI */
1.3       kristaps  103:        { NULL, NULL }, /* na */
1.4       kristaps  104:        { man_br_pre, NULL }, /* sp */
1.45      kristaps  105:        { man_literal_pre, NULL }, /* nf */
                    106:        { man_literal_pre, NULL }, /* fi */
1.3       kristaps  107:        { NULL, NULL }, /* RE */
1.9       kristaps  108:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps  109:        { man_ign_pre, NULL }, /* DT */
                    110:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  111:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     112:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  113:        { man_in_pre, NULL }, /* in */
1.51      kristaps  114:        { man_ign_pre, NULL }, /* ft */
1.3       kristaps  115: };
                    116:
1.1       kristaps  117:
                    118: void
                    119: html_man(void *arg, const struct man *m)
                    120: {
1.3       kristaps  121:        struct html     *h;
                    122:        struct tag      *t;
1.45      kristaps  123:        struct mhtml     mh;
1.3       kristaps  124:
                    125:        h = (struct html *)arg;
                    126:
1.26      kristaps  127:        print_gen_decls(h);
1.3       kristaps  128:
1.45      kristaps  129:        memset(&mh, 0, sizeof(struct mhtml));
                    130:
1.3       kristaps  131:        t = print_otag(h, TAG_HTML, 0, NULL);
1.45      kristaps  132:        print_man(man_meta(m), man_node(m), &mh, h);
1.3       kristaps  133:        print_tagq(h, t);
                    134:
                    135:        printf("\n");
                    136: }
                    137:
                    138:
                    139: static void
                    140: print_man(MAN_ARGS)
                    141: {
                    142:        struct tag      *t;
                    143:
                    144:        t = print_otag(h, TAG_HEAD, 0, NULL);
1.45      kristaps  145:        print_man_head(m, n, mh, h);
1.3       kristaps  146:        print_tagq(h, t);
1.53      kristaps  147:
1.3       kristaps  148:        t = print_otag(h, TAG_BODY, 0, NULL);
1.45      kristaps  149:        print_man_nodelist(m, n, mh, h);
1.3       kristaps  150:        print_tagq(h, t);
                    151: }
                    152:
                    153:
                    154: /* ARGSUSED */
                    155: static void
                    156: print_man_head(MAN_ARGS)
                    157: {
                    158:
                    159:        print_gen_head(h);
                    160:        bufinit(h);
1.31      kristaps  161:        buffmt(h, "%s(%s)", m->title, m->msec);
1.3       kristaps  162:
                    163:        print_otag(h, TAG_TITLE, 0, NULL);
                    164:        print_text(h, h->buf);
1.1       kristaps  165: }
1.4       kristaps  166:
                    167:
                    168: static void
                    169: print_man_nodelist(MAN_ARGS)
                    170: {
                    171:
1.45      kristaps  172:        print_man_node(m, n, mh, h);
1.4       kristaps  173:        if (n->next)
1.45      kristaps  174:                print_man_nodelist(m, n->next, mh, h);
1.4       kristaps  175: }
                    176:
                    177:
                    178: static void
                    179: print_man_node(MAN_ARGS)
                    180: {
                    181:        int              child;
                    182:        struct tag      *t;
                    183:
                    184:        child = 1;
1.14      kristaps  185:        t = h->tags.head;
1.4       kristaps  186:
                    187:        bufinit(h);
                    188:
1.28      kristaps  189:        /*
                    190:         * FIXME: embedded elements within next-line scopes (e.g., `br'
                    191:         * within an empty `B') will cause formatting to be forgotten
                    192:         * due to scope closing out.
                    193:         */
                    194:
1.4       kristaps  195:        switch (n->type) {
                    196:        case (MAN_ROOT):
1.45      kristaps  197:                child = man_root_pre(m, n, mh, h);
1.4       kristaps  198:                break;
                    199:        case (MAN_TEXT):
                    200:                print_text(h, n->string);
1.45      kristaps  201:                if (MANH_LITERAL & mh->fl)
                    202:                        print_otag(h, TAG_BR, 0, NULL);
1.58      kristaps  203:                return;
                    204:        case (MAN_TBL):
1.60    ! kristaps  205:                print_tbl(h, n->span);
        !           206:                break;
1.4       kristaps  207:        default:
1.21      kristaps  208:                /*
                    209:                 * Close out scope of font prior to opening a macro
                    210:                 * scope.  Assert that the metafont is on the top of the
                    211:                 * stack (it's never nested).
                    212:                 */
1.57      kristaps  213:                if (HTMLFONT_NONE != h->metac) {
                    214:                        h->metal = h->metac;
                    215:                        h->metac = HTMLFONT_NONE;
1.20      kristaps  216:                }
1.4       kristaps  217:                if (mans[n->tok].pre)
1.45      kristaps  218:                        child = (*mans[n->tok].pre)(m, n, mh, h);
1.4       kristaps  219:                break;
                    220:        }
                    221:
1.21      kristaps  222:        if (child && n->child)
1.45      kristaps  223:                print_man_nodelist(m, n->child, mh, h);
1.21      kristaps  224:
1.24      kristaps  225:        /* This will automatically close out any font scope. */
1.4       kristaps  226:        print_stagq(h, t);
                    227:
                    228:        bufinit(h);
                    229:
1.58      kristaps  230:        if (MAN_ROOT == n->type)
1.45      kristaps  231:                man_root_post(m, n, mh, h);
1.58      kristaps  232:        else if (mans[n->tok].post)
                    233:                (*mans[n->tok].post)(m, n, mh, h);
1.4       kristaps  234: }
                    235:
                    236:
1.5       kristaps  237: static int
1.7       kristaps  238: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  239: {
                    240:
1.6       kristaps  241:        if (MAN_TEXT != n->type)
1.7       kristaps  242:                return(0);
1.11      kristaps  243:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  244:                return(1);
1.5       kristaps  245:
1.7       kristaps  246:        return(0);
1.5       kristaps  247: }
                    248:
                    249:
1.40      kristaps  250: /* ARGSUSED */
1.4       kristaps  251: static int
                    252: man_root_pre(MAN_ARGS)
                    253: {
1.56      kristaps  254:        struct htmlpair  tag[3];
1.4       kristaps  255:        struct tag      *t, *tt;
                    256:        char             b[BUFSIZ], title[BUFSIZ];
                    257:
                    258:        b[0] = 0;
                    259:        if (m->vol)
                    260:                (void)strlcat(b, m->vol, BUFSIZ);
                    261:
1.31      kristaps  262:        snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
1.4       kristaps  263:
1.56      kristaps  264:        PAIR_SUMMARY_INIT(&tag[0], "Document Header");
                    265:        PAIR_CLASS_INIT(&tag[1], "head");
                    266:        if (NULL == h->style) {
                    267:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    268:                t = print_otag(h, TAG_TABLE, 3, tag);
                    269:                PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
                    270:                print_otag(h, TAG_COL, 1, tag);
                    271:                print_otag(h, TAG_COL, 1, tag);
                    272:                print_otag(h, TAG_COL, 1, tag);
                    273:        } else
                    274:                t = print_otag(h, TAG_TABLE, 2, tag);
                    275:
                    276:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  277:
1.4       kristaps  278:        tt = print_otag(h, TAG_TR, 0, NULL);
                    279:
1.55      kristaps  280:        PAIR_CLASS_INIT(&tag[0], "head-ltitle");
1.4       kristaps  281:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  282:
1.4       kristaps  283:        print_text(h, title);
                    284:        print_stagq(h, tt);
                    285:
1.55      kristaps  286:        PAIR_CLASS_INIT(&tag[0], "head-vol");
1.56      kristaps  287:        if (NULL == h->style) {
                    288:                PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
                    289:                print_otag(h, TAG_TD, 2, tag);
                    290:        } else
                    291:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  292:
1.4       kristaps  293:        print_text(h, b);
                    294:        print_stagq(h, tt);
                    295:
1.55      kristaps  296:        PAIR_CLASS_INIT(&tag[0], "head-rtitle");
1.56      kristaps  297:        if (NULL == h->style) {
                    298:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    299:                print_otag(h, TAG_TD, 2, tag);
                    300:        } else
                    301:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  302:
1.4       kristaps  303:        print_text(h, title);
                    304:        print_tagq(h, t);
                    305:        return(1);
                    306: }
                    307:
                    308:
                    309: /* ARGSUSED */
                    310: static void
                    311: man_root_post(MAN_ARGS)
                    312: {
1.56      kristaps  313:        struct htmlpair  tag[3];
1.4       kristaps  314:        struct tag      *t, *tt;
1.12      kristaps  315:        char             b[DATESIZ];
1.4       kristaps  316:
1.36      kristaps  317:        if (m->rawdate)
                    318:                strlcpy(b, m->rawdate, DATESIZ);
                    319:        else
                    320:                time2a(m->date, b, DATESIZ);
1.4       kristaps  321:
1.56      kristaps  322:        PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
                    323:        PAIR_CLASS_INIT(&tag[1], "foot");
                    324:        if (NULL == h->style) {
                    325:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    326:                t = print_otag(h, TAG_TABLE, 3, tag);
                    327:                PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
                    328:                print_otag(h, TAG_COL, 1, tag);
                    329:                print_otag(h, TAG_COL, 1, tag);
                    330:        } else
                    331:                t = print_otag(h, TAG_TABLE, 2, tag);
1.15      kristaps  332:
1.4       kristaps  333:        tt = print_otag(h, TAG_TR, 0, NULL);
                    334:
1.55      kristaps  335:        PAIR_CLASS_INIT(&tag[0], "foot-date");
1.4       kristaps  336:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  337:
1.4       kristaps  338:        print_text(h, b);
                    339:        print_stagq(h, tt);
                    340:
1.55      kristaps  341:        PAIR_CLASS_INIT(&tag[0], "foot-os");
1.56      kristaps  342:        if (NULL == h->style) {
                    343:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    344:                print_otag(h, TAG_TD, 2, tag);
                    345:        } else
                    346:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  347:
1.4       kristaps  348:        if (m->source)
                    349:                print_text(h, m->source);
                    350:        print_tagq(h, t);
                    351: }
                    352:
                    353:
                    354:
                    355: /* ARGSUSED */
                    356: static int
                    357: man_br_pre(MAN_ARGS)
                    358: {
1.7       kristaps  359:        struct roffsu    su;
                    360:        struct htmlpair  tag;
1.4       kristaps  361:
1.7       kristaps  362:        SCALE_VS_INIT(&su, 1);
                    363:
1.49      kristaps  364:        if (MAN_sp == n->tok) {
1.29      kristaps  365:                if (n->child)
                    366:                        a2roffsu(n->child->string, &su, SCALE_VS);
1.49      kristaps  367:        } else
1.7       kristaps  368:                su.scale = 0;
1.4       kristaps  369:
1.7       kristaps  370:        bufcat_su(h, "height", &su);
                    371:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  372:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  373:
1.16      kristaps  374:        /* So the div isn't empty: */
                    375:        print_text(h, "\\~");
                    376:
1.7       kristaps  377:        return(0);
1.4       kristaps  378: }
                    379:
                    380:
                    381: /* ARGSUSED */
                    382: static int
                    383: man_SH_pre(MAN_ARGS)
                    384: {
1.54      kristaps  385:        struct htmlpair  tag;
1.4       kristaps  386:
1.54      kristaps  387:        if (MAN_BLOCK == n->type) {
                    388:                PAIR_CLASS_INIT(&tag, "section");
                    389:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  390:                return(1);
1.54      kristaps  391:        } else if (MAN_BODY == n->type)
1.4       kristaps  392:                return(1);
                    393:
1.54      kristaps  394:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  395:        return(1);
                    396: }
                    397:
                    398:
                    399: /* ARGSUSED */
                    400: static int
1.8       kristaps  401: man_alt_pre(MAN_ARGS)
                    402: {
                    403:        const struct man_node   *nn;
1.57      kristaps  404:        int              i;
                    405:        enum htmltag     fp;
                    406:        struct tag      *t;
1.8       kristaps  407:
                    408:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  409:                t = NULL;
1.8       kristaps  410:                switch (n->tok) {
                    411:                case (MAN_BI):
1.57      kristaps  412:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  413:                        break;
                    414:                case (MAN_IB):
1.57      kristaps  415:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  416:                        break;
                    417:                case (MAN_RI):
1.57      kristaps  418:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  419:                        break;
                    420:                case (MAN_IR):
1.57      kristaps  421:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  422:                        break;
                    423:                case (MAN_BR):
1.57      kristaps  424:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  425:                        break;
                    426:                case (MAN_RB):
1.57      kristaps  427:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  428:                        break;
                    429:                default:
                    430:                        abort();
                    431:                        /* NOTREACHED */
                    432:                }
                    433:
                    434:                if (i)
                    435:                        h->flags |= HTML_NOSPACE;
                    436:
1.57      kristaps  437:                if (TAG_MAX != fp)
                    438:                        t = print_otag(h, fp, 0, NULL);
                    439:
1.45      kristaps  440:                print_man_node(m, nn, mh, h);
1.57      kristaps  441:
                    442:                if (t)
                    443:                        print_tagq(h, t);
1.8       kristaps  444:        }
                    445:
                    446:        return(0);
                    447: }
                    448:
                    449:
                    450: /* ARGSUSED */
                    451: static int
1.56      kristaps  452: man_SM_pre(MAN_ARGS)
1.8       kristaps  453: {
                    454:
1.57      kristaps  455:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  456:        if (MAN_SB == n->tok)
1.57      kristaps  457:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  458:        return(1);
                    459: }
                    460:
                    461:
                    462: /* ARGSUSED */
                    463: static int
1.4       kristaps  464: man_SS_pre(MAN_ARGS)
                    465: {
1.54      kristaps  466:        struct htmlpair  tag;
1.4       kristaps  467:
1.54      kristaps  468:        if (MAN_BLOCK == n->type) {
                    469:                PAIR_CLASS_INIT(&tag, "subsection");
                    470:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  471:                return(1);
1.54      kristaps  472:        } else if (MAN_BODY == n->type)
1.4       kristaps  473:                return(1);
                    474:
1.54      kristaps  475:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  476:        return(1);
                    477: }
                    478:
                    479:
                    480: /* ARGSUSED */
                    481: static int
                    482: man_PP_pre(MAN_ARGS)
                    483: {
                    484:
1.47      kristaps  485:        if (MAN_HEAD == n->type)
                    486:                return(0);
1.56      kristaps  487:        else if (MAN_BODY == n->type && n->prev)
                    488:                print_otag(h, TAG_P, 0, NULL);
1.47      kristaps  489:
1.5       kristaps  490:        return(1);
                    491: }
                    492:
                    493:
                    494: /* ARGSUSED */
                    495: static int
                    496: man_IP_pre(MAN_ARGS)
                    497: {
1.7       kristaps  498:        struct roffsu            su;
1.5       kristaps  499:        struct htmlpair          tag;
                    500:        const struct man_node   *nn;
1.7       kristaps  501:        int                      width;
1.5       kristaps  502:
1.7       kristaps  503:        /*
                    504:         * This scattering of 1-BU margins and pads is to make sure that
                    505:         * when text overruns its box, the subsequent text isn't flush
                    506:         * up against it.  However, the rest of the right-hand box must
                    507:         * also be adjusted in consideration of this 1-BU space.
                    508:         */
                    509:
                    510:        if (MAN_BODY == n->type) {
1.56      kristaps  511:                print_otag(h, TAG_TD, 0, NULL);
1.6       kristaps  512:                return(1);
                    513:        }
                    514:
                    515:        nn = MAN_BLOCK == n->type ?
                    516:                n->head->child : n->parent->head->child;
                    517:
1.7       kristaps  518:        SCALE_HS_INIT(&su, INDENT);
                    519:        width = 0;
1.6       kristaps  520:
1.59      schwarze  521:        /* Width is the second token. */
1.28      kristaps  522:
1.7       kristaps  523:        if (MAN_IP == n->tok && NULL != nn)
1.59      schwarze  524:                if (NULL != (nn = nn->next))
1.7       kristaps  525:                        width = a2width(nn, &su);
1.5       kristaps  526:
1.28      kristaps  527:        /* Width is the first token. */
                    528:
1.27      kristaps  529:        if (MAN_TP == n->tok && NULL != nn) {
1.28      kristaps  530:                /* Skip past non-text children. */
1.27      kristaps  531:                while (nn && MAN_TEXT != nn->type)
                    532:                        nn = nn->next;
1.28      kristaps  533:                if (nn)
                    534:                        width = a2width(nn, &su);
1.27      kristaps  535:        }
1.7       kristaps  536:
1.5       kristaps  537:        if (MAN_BLOCK == n->type) {
1.56      kristaps  538:                print_otag(h, TAG_P, 0, NULL);
                    539:                print_otag(h, TAG_TABLE, 0, NULL);
                    540:                bufcat_su(h, "width", &su);
1.7       kristaps  541:                PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  542:                print_otag(h, TAG_COL, 1, &tag);
                    543:                print_otag(h, TAG_COL, 0, NULL);
                    544:                print_otag(h, TAG_TBODY, 0, NULL);
                    545:                print_otag(h, TAG_TR, 0, NULL);
1.5       kristaps  546:                return(1);
1.6       kristaps  547:        }
                    548:
1.56      kristaps  549:        print_otag(h, TAG_TD, 0, NULL);
1.6       kristaps  550:
1.59      schwarze  551:        /* For IP, only print the first header element. */
1.7       kristaps  552:
1.59      schwarze  553:        if (MAN_IP == n->tok && n->child)
                    554:                print_man_node(m, n->child, mh, h);
1.27      kristaps  555:
1.59      schwarze  556:        /* For TP, only print next-line header elements. */
1.6       kristaps  557:
1.7       kristaps  558:        if (MAN_TP == n->tok)
1.59      schwarze  559:                for (nn = n->child; nn; nn = nn->next)
                    560:                        if (nn->line > n->line)
                    561:                                print_man_node(m, nn, mh, h);
1.6       kristaps  562:
                    563:        return(0);
                    564: }
                    565:
                    566:
                    567: /* ARGSUSED */
                    568: static int
                    569: man_HP_pre(MAN_ARGS)
                    570: {
1.56      kristaps  571:        struct htmlpair  tag;
                    572:        struct roffsu    su;
                    573:        const struct man_node *np;
1.6       kristaps  574:
1.56      kristaps  575:        np = MAN_BLOCK == n->type ?
                    576:                n->head->child :
                    577:                n->parent->head->child;
1.6       kristaps  578:
1.56      kristaps  579:        if (NULL == np || ! a2width(np, &su))
                    580:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  581:
1.56      kristaps  582:        if (MAN_HEAD == n->type) {
                    583:                print_otag(h, TAG_TD, 0, NULL);
                    584:                return(0);
                    585:        } else if (MAN_BLOCK == n->type) {
                    586:                print_otag(h, TAG_P, 0, NULL);
                    587:                print_otag(h, TAG_TABLE, 0, NULL);
                    588:                bufcat_su(h, "width", &su);
1.7       kristaps  589:                PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  590:                print_otag(h, TAG_COL, 1, &tag);
                    591:                print_otag(h, TAG_COL, 0, NULL);
                    592:                print_otag(h, TAG_TBODY, 0, NULL);
                    593:                print_otag(h, TAG_TR, 0, NULL);
1.6       kristaps  594:                return(1);
                    595:        }
1.5       kristaps  596:
1.56      kristaps  597:        su.scale = -su.scale;
1.7       kristaps  598:        bufcat_su(h, "text-indent", &su);
                    599:        PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  600:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  601:        return(1);
                    602: }
1.6       kristaps  603:
1.8       kristaps  604:
                    605: /* ARGSUSED */
                    606: static int
                    607: man_B_pre(MAN_ARGS)
                    608: {
                    609:
1.57      kristaps  610:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  611:        return(1);
                    612: }
                    613:
                    614:
                    615: /* ARGSUSED */
                    616: static int
                    617: man_I_pre(MAN_ARGS)
                    618: {
1.23      kristaps  619:
1.57      kristaps  620:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  621:        return(1);
1.45      kristaps  622: }
                    623:
                    624:
                    625: /* ARGSUSED */
                    626: static int
                    627: man_literal_pre(MAN_ARGS)
                    628: {
                    629:
1.48      kristaps  630:        if (MAN_nf == n->tok) {
1.45      kristaps  631:                print_otag(h, TAG_BR, 0, NULL);
                    632:                mh->fl |= MANH_LITERAL;
1.48      kristaps  633:        } else
1.45      kristaps  634:                mh->fl &= ~MANH_LITERAL;
                    635:
                    636:        return(1);
                    637: }
                    638:
                    639:
                    640: /* ARGSUSED */
                    641: static int
                    642: man_in_pre(MAN_ARGS)
                    643: {
                    644:
                    645:        print_otag(h, TAG_BR, 0, NULL);
                    646:        return(0);
1.8       kristaps  647: }
                    648:
                    649:
                    650: /* ARGSUSED */
                    651: static int
                    652: man_ign_pre(MAN_ARGS)
                    653: {
                    654:
                    655:        return(0);
                    656: }
1.9       kristaps  657:
                    658:
                    659: /* ARGSUSED */
                    660: static int
                    661: man_RS_pre(MAN_ARGS)
                    662: {
                    663:        struct htmlpair  tag;
                    664:        struct roffsu    su;
                    665:
                    666:        if (MAN_HEAD == n->type)
                    667:                return(0);
                    668:        else if (MAN_BODY == n->type)
                    669:                return(1);
                    670:
                    671:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  672:        if (n->head->child)
1.9       kristaps  673:                a2width(n->head->child, &su);
                    674:
1.56      kristaps  675:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  676:        PAIR_STYLE_INIT(&tag, h);
                    677:        print_otag(h, TAG_DIV, 1, &tag);
                    678:        return(1);
                    679: }

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