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Annotation of mandoc/man_html.c, Revision 1.59

1.59    ! schwarze    1: /*     $Id: man_html.c,v 1.58 2011/01/01 12:59:17 kristaps 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):
1.19      kristaps  205:                return;
1.4       kristaps  206:        default:
1.21      kristaps  207:                /*
                    208:                 * Close out scope of font prior to opening a macro
                    209:                 * scope.  Assert that the metafont is on the top of the
                    210:                 * stack (it's never nested).
                    211:                 */
1.57      kristaps  212:                if (HTMLFONT_NONE != h->metac) {
                    213:                        h->metal = h->metac;
                    214:                        h->metac = HTMLFONT_NONE;
1.20      kristaps  215:                }
1.4       kristaps  216:                if (mans[n->tok].pre)
1.45      kristaps  217:                        child = (*mans[n->tok].pre)(m, n, mh, h);
1.4       kristaps  218:                break;
                    219:        }
                    220:
1.21      kristaps  221:        if (child && n->child)
1.45      kristaps  222:                print_man_nodelist(m, n->child, mh, h);
1.21      kristaps  223:
1.24      kristaps  224:        /* This will automatically close out any font scope. */
1.4       kristaps  225:        print_stagq(h, t);
                    226:
                    227:        bufinit(h);
                    228:
1.58      kristaps  229:        if (MAN_ROOT == n->type)
1.45      kristaps  230:                man_root_post(m, n, mh, h);
1.58      kristaps  231:        else if (mans[n->tok].post)
                    232:                (*mans[n->tok].post)(m, n, mh, h);
1.4       kristaps  233: }
                    234:
                    235:
1.5       kristaps  236: static int
1.7       kristaps  237: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  238: {
                    239:
1.6       kristaps  240:        if (MAN_TEXT != n->type)
1.7       kristaps  241:                return(0);
1.11      kristaps  242:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  243:                return(1);
1.5       kristaps  244:
1.7       kristaps  245:        return(0);
1.5       kristaps  246: }
                    247:
                    248:
1.40      kristaps  249: /* ARGSUSED */
1.4       kristaps  250: static int
                    251: man_root_pre(MAN_ARGS)
                    252: {
1.56      kristaps  253:        struct htmlpair  tag[3];
1.4       kristaps  254:        struct tag      *t, *tt;
                    255:        char             b[BUFSIZ], title[BUFSIZ];
                    256:
                    257:        b[0] = 0;
                    258:        if (m->vol)
                    259:                (void)strlcat(b, m->vol, BUFSIZ);
                    260:
1.31      kristaps  261:        snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
1.4       kristaps  262:
1.56      kristaps  263:        PAIR_SUMMARY_INIT(&tag[0], "Document Header");
                    264:        PAIR_CLASS_INIT(&tag[1], "head");
                    265:        if (NULL == h->style) {
                    266:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    267:                t = print_otag(h, TAG_TABLE, 3, tag);
                    268:                PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
                    269:                print_otag(h, TAG_COL, 1, tag);
                    270:                print_otag(h, TAG_COL, 1, tag);
                    271:                print_otag(h, TAG_COL, 1, tag);
                    272:        } else
                    273:                t = print_otag(h, TAG_TABLE, 2, tag);
                    274:
                    275:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  276:
1.4       kristaps  277:        tt = print_otag(h, TAG_TR, 0, NULL);
                    278:
1.55      kristaps  279:        PAIR_CLASS_INIT(&tag[0], "head-ltitle");
1.4       kristaps  280:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  281:
1.4       kristaps  282:        print_text(h, title);
                    283:        print_stagq(h, tt);
                    284:
1.55      kristaps  285:        PAIR_CLASS_INIT(&tag[0], "head-vol");
1.56      kristaps  286:        if (NULL == h->style) {
                    287:                PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
                    288:                print_otag(h, TAG_TD, 2, tag);
                    289:        } else
                    290:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  291:
1.4       kristaps  292:        print_text(h, b);
                    293:        print_stagq(h, tt);
                    294:
1.55      kristaps  295:        PAIR_CLASS_INIT(&tag[0], "head-rtitle");
1.56      kristaps  296:        if (NULL == h->style) {
                    297:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    298:                print_otag(h, TAG_TD, 2, tag);
                    299:        } else
                    300:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  301:
1.4       kristaps  302:        print_text(h, title);
                    303:        print_tagq(h, t);
                    304:        return(1);
                    305: }
                    306:
                    307:
                    308: /* ARGSUSED */
                    309: static void
                    310: man_root_post(MAN_ARGS)
                    311: {
1.56      kristaps  312:        struct htmlpair  tag[3];
1.4       kristaps  313:        struct tag      *t, *tt;
1.12      kristaps  314:        char             b[DATESIZ];
1.4       kristaps  315:
1.36      kristaps  316:        if (m->rawdate)
                    317:                strlcpy(b, m->rawdate, DATESIZ);
                    318:        else
                    319:                time2a(m->date, b, DATESIZ);
1.4       kristaps  320:
1.56      kristaps  321:        PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
                    322:        PAIR_CLASS_INIT(&tag[1], "foot");
                    323:        if (NULL == h->style) {
                    324:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    325:                t = print_otag(h, TAG_TABLE, 3, tag);
                    326:                PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
                    327:                print_otag(h, TAG_COL, 1, tag);
                    328:                print_otag(h, TAG_COL, 1, tag);
                    329:        } else
                    330:                t = print_otag(h, TAG_TABLE, 2, tag);
1.15      kristaps  331:
1.4       kristaps  332:        tt = print_otag(h, TAG_TR, 0, NULL);
                    333:
1.55      kristaps  334:        PAIR_CLASS_INIT(&tag[0], "foot-date");
1.4       kristaps  335:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  336:
1.4       kristaps  337:        print_text(h, b);
                    338:        print_stagq(h, tt);
                    339:
1.55      kristaps  340:        PAIR_CLASS_INIT(&tag[0], "foot-os");
1.56      kristaps  341:        if (NULL == h->style) {
                    342:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    343:                print_otag(h, TAG_TD, 2, tag);
                    344:        } else
                    345:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  346:
1.4       kristaps  347:        if (m->source)
                    348:                print_text(h, m->source);
                    349:        print_tagq(h, t);
                    350: }
                    351:
                    352:
                    353:
                    354: /* ARGSUSED */
                    355: static int
                    356: man_br_pre(MAN_ARGS)
                    357: {
1.7       kristaps  358:        struct roffsu    su;
                    359:        struct htmlpair  tag;
1.4       kristaps  360:
1.7       kristaps  361:        SCALE_VS_INIT(&su, 1);
                    362:
1.49      kristaps  363:        if (MAN_sp == n->tok) {
1.29      kristaps  364:                if (n->child)
                    365:                        a2roffsu(n->child->string, &su, SCALE_VS);
1.49      kristaps  366:        } else
1.7       kristaps  367:                su.scale = 0;
1.4       kristaps  368:
1.7       kristaps  369:        bufcat_su(h, "height", &su);
                    370:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  371:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  372:
1.16      kristaps  373:        /* So the div isn't empty: */
                    374:        print_text(h, "\\~");
                    375:
1.7       kristaps  376:        return(0);
1.4       kristaps  377: }
                    378:
                    379:
                    380: /* ARGSUSED */
                    381: static int
                    382: man_SH_pre(MAN_ARGS)
                    383: {
1.54      kristaps  384:        struct htmlpair  tag;
1.4       kristaps  385:
1.54      kristaps  386:        if (MAN_BLOCK == n->type) {
                    387:                PAIR_CLASS_INIT(&tag, "section");
                    388:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  389:                return(1);
1.54      kristaps  390:        } else if (MAN_BODY == n->type)
1.4       kristaps  391:                return(1);
                    392:
1.54      kristaps  393:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  394:        return(1);
                    395: }
                    396:
                    397:
                    398: /* ARGSUSED */
                    399: static int
1.8       kristaps  400: man_alt_pre(MAN_ARGS)
                    401: {
                    402:        const struct man_node   *nn;
1.57      kristaps  403:        int              i;
                    404:        enum htmltag     fp;
                    405:        struct tag      *t;
1.8       kristaps  406:
                    407:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  408:                t = NULL;
1.8       kristaps  409:                switch (n->tok) {
                    410:                case (MAN_BI):
1.57      kristaps  411:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  412:                        break;
                    413:                case (MAN_IB):
1.57      kristaps  414:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  415:                        break;
                    416:                case (MAN_RI):
1.57      kristaps  417:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  418:                        break;
                    419:                case (MAN_IR):
1.57      kristaps  420:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  421:                        break;
                    422:                case (MAN_BR):
1.57      kristaps  423:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  424:                        break;
                    425:                case (MAN_RB):
1.57      kristaps  426:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  427:                        break;
                    428:                default:
                    429:                        abort();
                    430:                        /* NOTREACHED */
                    431:                }
                    432:
                    433:                if (i)
                    434:                        h->flags |= HTML_NOSPACE;
                    435:
1.57      kristaps  436:                if (TAG_MAX != fp)
                    437:                        t = print_otag(h, fp, 0, NULL);
                    438:
1.45      kristaps  439:                print_man_node(m, nn, mh, h);
1.57      kristaps  440:
                    441:                if (t)
                    442:                        print_tagq(h, t);
1.8       kristaps  443:        }
                    444:
                    445:        return(0);
                    446: }
                    447:
                    448:
                    449: /* ARGSUSED */
                    450: static int
1.56      kristaps  451: man_SM_pre(MAN_ARGS)
1.8       kristaps  452: {
                    453:
1.57      kristaps  454:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  455:        if (MAN_SB == n->tok)
1.57      kristaps  456:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  457:        return(1);
                    458: }
                    459:
                    460:
                    461: /* ARGSUSED */
                    462: static int
1.4       kristaps  463: man_SS_pre(MAN_ARGS)
                    464: {
1.54      kristaps  465:        struct htmlpair  tag;
1.4       kristaps  466:
1.54      kristaps  467:        if (MAN_BLOCK == n->type) {
                    468:                PAIR_CLASS_INIT(&tag, "subsection");
                    469:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  470:                return(1);
1.54      kristaps  471:        } else if (MAN_BODY == n->type)
1.4       kristaps  472:                return(1);
                    473:
1.54      kristaps  474:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  475:        return(1);
                    476: }
                    477:
                    478:
                    479: /* ARGSUSED */
                    480: static int
                    481: man_PP_pre(MAN_ARGS)
                    482: {
                    483:
1.47      kristaps  484:        if (MAN_HEAD == n->type)
                    485:                return(0);
1.56      kristaps  486:        else if (MAN_BODY == n->type && n->prev)
                    487:                print_otag(h, TAG_P, 0, NULL);
1.47      kristaps  488:
1.5       kristaps  489:        return(1);
                    490: }
                    491:
                    492:
                    493: /* ARGSUSED */
                    494: static int
                    495: man_IP_pre(MAN_ARGS)
                    496: {
1.7       kristaps  497:        struct roffsu            su;
1.5       kristaps  498:        struct htmlpair          tag;
                    499:        const struct man_node   *nn;
1.7       kristaps  500:        int                      width;
1.5       kristaps  501:
1.7       kristaps  502:        /*
                    503:         * This scattering of 1-BU margins and pads is to make sure that
                    504:         * when text overruns its box, the subsequent text isn't flush
                    505:         * up against it.  However, the rest of the right-hand box must
                    506:         * also be adjusted in consideration of this 1-BU space.
                    507:         */
                    508:
                    509:        if (MAN_BODY == n->type) {
1.56      kristaps  510:                print_otag(h, TAG_TD, 0, NULL);
1.6       kristaps  511:                return(1);
                    512:        }
                    513:
                    514:        nn = MAN_BLOCK == n->type ?
                    515:                n->head->child : n->parent->head->child;
                    516:
1.7       kristaps  517:        SCALE_HS_INIT(&su, INDENT);
                    518:        width = 0;
1.6       kristaps  519:
1.59    ! schwarze  520:        /* Width is the second token. */
1.28      kristaps  521:
1.7       kristaps  522:        if (MAN_IP == n->tok && NULL != nn)
1.59    ! schwarze  523:                if (NULL != (nn = nn->next))
1.7       kristaps  524:                        width = a2width(nn, &su);
1.5       kristaps  525:
1.28      kristaps  526:        /* Width is the first token. */
                    527:
1.27      kristaps  528:        if (MAN_TP == n->tok && NULL != nn) {
1.28      kristaps  529:                /* Skip past non-text children. */
1.27      kristaps  530:                while (nn && MAN_TEXT != nn->type)
                    531:                        nn = nn->next;
1.28      kristaps  532:                if (nn)
                    533:                        width = a2width(nn, &su);
1.27      kristaps  534:        }
1.7       kristaps  535:
1.5       kristaps  536:        if (MAN_BLOCK == n->type) {
1.56      kristaps  537:                print_otag(h, TAG_P, 0, NULL);
                    538:                print_otag(h, TAG_TABLE, 0, NULL);
                    539:                bufcat_su(h, "width", &su);
1.7       kristaps  540:                PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  541:                print_otag(h, TAG_COL, 1, &tag);
                    542:                print_otag(h, TAG_COL, 0, NULL);
                    543:                print_otag(h, TAG_TBODY, 0, NULL);
                    544:                print_otag(h, TAG_TR, 0, NULL);
1.5       kristaps  545:                return(1);
1.6       kristaps  546:        }
                    547:
1.56      kristaps  548:        print_otag(h, TAG_TD, 0, NULL);
1.6       kristaps  549:
1.59    ! schwarze  550:        /* For IP, only print the first header element. */
1.7       kristaps  551:
1.59    ! schwarze  552:        if (MAN_IP == n->tok && n->child)
        !           553:                print_man_node(m, n->child, mh, h);
1.27      kristaps  554:
1.59    ! schwarze  555:        /* For TP, only print next-line header elements. */
1.6       kristaps  556:
1.7       kristaps  557:        if (MAN_TP == n->tok)
1.59    ! schwarze  558:                for (nn = n->child; nn; nn = nn->next)
        !           559:                        if (nn->line > n->line)
        !           560:                                print_man_node(m, nn, mh, h);
1.6       kristaps  561:
                    562:        return(0);
                    563: }
                    564:
                    565:
                    566: /* ARGSUSED */
                    567: static int
                    568: man_HP_pre(MAN_ARGS)
                    569: {
1.56      kristaps  570:        struct htmlpair  tag;
                    571:        struct roffsu    su;
                    572:        const struct man_node *np;
1.6       kristaps  573:
1.56      kristaps  574:        np = MAN_BLOCK == n->type ?
                    575:                n->head->child :
                    576:                n->parent->head->child;
1.6       kristaps  577:
1.56      kristaps  578:        if (NULL == np || ! a2width(np, &su))
                    579:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  580:
1.56      kristaps  581:        if (MAN_HEAD == n->type) {
                    582:                print_otag(h, TAG_TD, 0, NULL);
                    583:                return(0);
                    584:        } else if (MAN_BLOCK == n->type) {
                    585:                print_otag(h, TAG_P, 0, NULL);
                    586:                print_otag(h, TAG_TABLE, 0, NULL);
                    587:                bufcat_su(h, "width", &su);
1.7       kristaps  588:                PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  589:                print_otag(h, TAG_COL, 1, &tag);
                    590:                print_otag(h, TAG_COL, 0, NULL);
                    591:                print_otag(h, TAG_TBODY, 0, NULL);
                    592:                print_otag(h, TAG_TR, 0, NULL);
1.6       kristaps  593:                return(1);
                    594:        }
1.5       kristaps  595:
1.56      kristaps  596:        su.scale = -su.scale;
1.7       kristaps  597:        bufcat_su(h, "text-indent", &su);
                    598:        PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  599:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  600:        return(1);
                    601: }
1.6       kristaps  602:
1.8       kristaps  603:
                    604: /* ARGSUSED */
                    605: static int
                    606: man_B_pre(MAN_ARGS)
                    607: {
                    608:
1.57      kristaps  609:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  610:        return(1);
                    611: }
                    612:
                    613:
                    614: /* ARGSUSED */
                    615: static int
                    616: man_I_pre(MAN_ARGS)
                    617: {
1.23      kristaps  618:
1.57      kristaps  619:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  620:        return(1);
1.45      kristaps  621: }
                    622:
                    623:
                    624: /* ARGSUSED */
                    625: static int
                    626: man_literal_pre(MAN_ARGS)
                    627: {
                    628:
1.48      kristaps  629:        if (MAN_nf == n->tok) {
1.45      kristaps  630:                print_otag(h, TAG_BR, 0, NULL);
                    631:                mh->fl |= MANH_LITERAL;
1.48      kristaps  632:        } else
1.45      kristaps  633:                mh->fl &= ~MANH_LITERAL;
                    634:
                    635:        return(1);
                    636: }
                    637:
                    638:
                    639: /* ARGSUSED */
                    640: static int
                    641: man_in_pre(MAN_ARGS)
                    642: {
                    643:
                    644:        print_otag(h, TAG_BR, 0, NULL);
                    645:        return(0);
1.8       kristaps  646: }
                    647:
                    648:
                    649: /* ARGSUSED */
                    650: static int
                    651: man_ign_pre(MAN_ARGS)
                    652: {
                    653:
                    654:        return(0);
                    655: }
1.9       kristaps  656:
                    657:
                    658: /* ARGSUSED */
                    659: static int
                    660: man_RS_pre(MAN_ARGS)
                    661: {
                    662:        struct htmlpair  tag;
                    663:        struct roffsu    su;
                    664:
                    665:        if (MAN_HEAD == n->type)
                    666:                return(0);
                    667:        else if (MAN_BODY == n->type)
                    668:                return(1);
                    669:
                    670:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  671:        if (n->head->child)
1.9       kristaps  672:                a2width(n->head->child, &su);
                    673:
1.56      kristaps  674:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  675:        PAIR_STYLE_INIT(&tag, h);
                    676:        print_otag(h, TAG_DIV, 1, &tag);
                    677:        return(1);
                    678: }

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