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Annotation of mandoc/man_html.c, Revision 1.106

1.106   ! schwarze    1: /*     $Id: man_html.c,v 1.105 2014/12/01 08:05:52 schwarze Exp $ */
1.1       kristaps    2: /*
1.104     kristaps    3:  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
1.91      schwarze    4:  * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
1.25      kristaps   18: #include "config.h"
                     19:
1.1       kristaps   20: #include <sys/types.h>
                     21:
1.5       kristaps   22: #include <assert.h>
                     23: #include <ctype.h>
1.2       kristaps   24: #include <stdio.h>
1.1       kristaps   25: #include <stdlib.h>
1.4       kristaps   26: #include <string.h>
1.1       kristaps   27:
1.94      schwarze   28: #include "mandoc_aux.h"
1.105     schwarze   29: #include "man.h"
1.7       kristaps   30: #include "out.h"
1.1       kristaps   31: #include "html.h"
1.10      kristaps   32: #include "main.h"
1.1       kristaps   33:
1.6       kristaps   34: /* TODO: preserve ident widths. */
1.13      kristaps   35: /* FIXME: have PD set the default vspace width. */
1.6       kristaps   36:
                     37: #define        INDENT            5
1.4       kristaps   38:
1.89      schwarze   39: #define        MAN_ARGS          const struct man_meta *man, \
1.3       kristaps   40:                          const struct man_node *n, \
1.45      kristaps   41:                          struct mhtml *mh, \
1.3       kristaps   42:                          struct html *h
                     43:
1.45      kristaps   44: struct mhtml {
                     45:        int               fl;
                     46: #define        MANH_LITERAL     (1 << 0) /* literal context */
                     47: };
                     48:
1.3       kristaps   49: struct htmlman {
                     50:        int             (*pre)(MAN_ARGS);
                     51:        int             (*post)(MAN_ARGS);
                     52: };
                     53:
1.93      schwarze   54: static void              print_bvspace(struct html *,
1.74      kristaps   55:                                const struct man_node *);
1.3       kristaps   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);
1.7       kristaps   60: static int               a2width(const struct man_node *,
                     61:                                struct roffsu *);
1.8       kristaps   62: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   63: static int               man_HP_pre(MAN_ARGS);
1.86      kristaps   64: static int               man_IP_pre(MAN_ARGS);
1.8       kristaps   65: static int               man_I_pre(MAN_ARGS);
1.86      kristaps   66: static int               man_OP_pre(MAN_ARGS);
1.4       kristaps   67: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   68: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   69: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   70: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   71: static int               man_SS_pre(MAN_ARGS);
1.90      schwarze   72: static int               man_UR_pre(MAN_ARGS);
1.86      kristaps   73: static int               man_alt_pre(MAN_ARGS);
                     74: static int               man_br_pre(MAN_ARGS);
                     75: static int               man_ign_pre(MAN_ARGS);
                     76: static int               man_in_pre(MAN_ARGS);
                     77: static int               man_literal_pre(MAN_ARGS);
                     78: static void              man_root_post(MAN_ARGS);
                     79: static void              man_root_pre(MAN_ARGS);
1.4       kristaps   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 */
1.93      schwarze   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 */
1.67      schwarze  103:        { man_ign_pre, 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 */
1.86      kristaps  115:        { man_OP_pre, NULL }, /* OP */
1.88      schwarze  116:        { man_literal_pre, NULL }, /* EX */
                    117:        { man_literal_pre, NULL }, /* EE */
1.90      schwarze  118:        { man_UR_pre, NULL }, /* UR */
                    119:        { NULL, NULL }, /* UE */
1.92      schwarze  120:        { man_ign_pre, NULL }, /* ll */
1.3       kristaps  121: };
                    122:
1.93      schwarze  123:
1.74      kristaps  124: /*
                    125:  * Printing leading vertical space before a block.
                    126:  * This is used for the paragraph macros.
                    127:  * The rules are pretty simple, since there's very little nesting going
                    128:  * on here.  Basically, if we're the first within another block (SS/SH),
                    129:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    130:  * first, print it.
                    131:  */
                    132: static void
                    133: print_bvspace(struct html *h, const struct man_node *n)
                    134: {
                    135:
                    136:        if (n->body && n->body->child)
                    137:                if (MAN_TBL == n->body->child->type)
                    138:                        return;
                    139:
                    140:        if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok)
                    141:                if (NULL == n->prev)
                    142:                        return;
                    143:
1.103     kristaps  144:        print_paragraph(h);
1.74      kristaps  145: }
1.1       kristaps  146:
                    147: void
1.89      schwarze  148: html_man(void *arg, const struct man *man)
1.1       kristaps  149: {
1.45      kristaps  150:        struct mhtml     mh;
1.3       kristaps  151:
1.45      kristaps  152:        memset(&mh, 0, sizeof(struct mhtml));
1.89      schwarze  153:        print_man(man_meta(man), man_node(man), &mh, (struct html *)arg);
1.82      kristaps  154:        putchar('\n');
1.3       kristaps  155: }
                    156:
                    157: static void
1.93      schwarze  158: print_man(MAN_ARGS)
1.3       kristaps  159: {
1.82      kristaps  160:        struct tag      *t, *tt;
                    161:        struct htmlpair  tag;
                    162:
                    163:        PAIR_CLASS_INIT(&tag, "mandoc");
1.3       kristaps  164:
1.82      kristaps  165:        if ( ! (HTML_FRAGMENT & h->oflags)) {
                    166:                print_gen_decls(h);
                    167:                t = print_otag(h, TAG_HTML, 0, NULL);
                    168:                tt = print_otag(h, TAG_HEAD, 0, NULL);
1.89      schwarze  169:                print_man_head(man, n, mh, h);
1.82      kristaps  170:                print_tagq(h, tt);
                    171:                print_otag(h, TAG_BODY, 0, NULL);
                    172:                print_otag(h, TAG_DIV, 1, &tag);
1.93      schwarze  173:        } else
1.82      kristaps  174:                t = print_otag(h, TAG_DIV, 1, &tag);
1.53      kristaps  175:
1.89      schwarze  176:        print_man_nodelist(man, n, mh, h);
1.3       kristaps  177:        print_tagq(h, t);
                    178: }
                    179:
                    180: static void
                    181: print_man_head(MAN_ARGS)
                    182: {
                    183:
                    184:        print_gen_head(h);
1.89      schwarze  185:        assert(man->title);
                    186:        assert(man->msec);
                    187:        bufcat_fmt(h, "%s(%s)", man->title, man->msec);
1.3       kristaps  188:        print_otag(h, TAG_TITLE, 0, NULL);
                    189:        print_text(h, h->buf);
1.1       kristaps  190: }
1.4       kristaps  191:
                    192: static void
                    193: print_man_nodelist(MAN_ARGS)
                    194: {
                    195:
1.89      schwarze  196:        print_man_node(man, n, mh, h);
1.4       kristaps  197:        if (n->next)
1.89      schwarze  198:                print_man_nodelist(man, n->next, mh, h);
1.4       kristaps  199: }
                    200:
                    201: static void
                    202: print_man_node(MAN_ARGS)
                    203: {
                    204:        int              child;
                    205:        struct tag      *t;
                    206:
                    207:        child = 1;
1.14      kristaps  208:        t = h->tags.head;
1.4       kristaps  209:
                    210:        switch (n->type) {
1.93      schwarze  211:        case MAN_ROOT:
1.89      schwarze  212:                man_root_pre(man, n, mh, h);
1.4       kristaps  213:                break;
1.93      schwarze  214:        case MAN_TEXT:
1.63      kristaps  215:                if ('\0' == *n->string) {
1.103     kristaps  216:                        print_paragraph(h);
1.63      kristaps  217:                        return;
1.78      kristaps  218:                }
1.106   ! schwarze  219:                if (n->flags & MAN_LINE && (*n->string == ' ' ||
        !           220:                    (n->prev != NULL && mh->fl & MANH_LITERAL &&
        !           221:                     ! (h->flags & HTML_NONEWLINE))))
1.63      kristaps  222:                        print_otag(h, TAG_BR, 0, NULL);
1.4       kristaps  223:                print_text(h, n->string);
1.68      kristaps  224:                return;
1.93      schwarze  225:        case MAN_EQN:
1.80      kristaps  226:                print_eqn(h, n->eqn);
1.69      kristaps  227:                break;
1.93      schwarze  228:        case MAN_TBL:
1.66      kristaps  229:                /*
                    230:                 * This will take care of initialising all of the table
                    231:                 * state data for the first table, then tearing it down
                    232:                 * for the last one.
                    233:                 */
1.60      kristaps  234:                print_tbl(h, n->span);
1.64      kristaps  235:                return;
1.4       kristaps  236:        default:
1.93      schwarze  237:                /*
1.21      kristaps  238:                 * Close out scope of font prior to opening a macro
1.66      kristaps  239:                 * scope.
1.21      kristaps  240:                 */
1.57      kristaps  241:                if (HTMLFONT_NONE != h->metac) {
                    242:                        h->metal = h->metac;
                    243:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  244:                }
                    245:
                    246:                /*
                    247:                 * Close out the current table, if it's open, and unset
                    248:                 * the "meta" table state.  This will be reopened on the
                    249:                 * next table element.
                    250:                 */
                    251:                if (h->tblt) {
                    252:                        print_tblclose(h);
                    253:                        t = h->tags.head;
1.20      kristaps  254:                }
1.4       kristaps  255:                if (mans[n->tok].pre)
1.89      schwarze  256:                        child = (*mans[n->tok].pre)(man, n, mh, h);
1.4       kristaps  257:                break;
                    258:        }
                    259:
1.21      kristaps  260:        if (child && n->child)
1.89      schwarze  261:                print_man_nodelist(man, n->child, mh, h);
1.21      kristaps  262:
1.24      kristaps  263:        /* This will automatically close out any font scope. */
1.4       kristaps  264:        print_stagq(h, t);
                    265:
1.61      kristaps  266:        switch (n->type) {
1.93      schwarze  267:        case MAN_ROOT:
1.89      schwarze  268:                man_root_post(man, n, mh, h);
1.69      kristaps  269:                break;
1.93      schwarze  270:        case MAN_EQN:
1.61      kristaps  271:                break;
                    272:        default:
                    273:                if (mans[n->tok].post)
1.89      schwarze  274:                        (*mans[n->tok].post)(man, n, mh, h);
1.61      kristaps  275:                break;
                    276:        }
1.4       kristaps  277: }
                    278:
1.5       kristaps  279: static int
1.7       kristaps  280: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  281: {
                    282:
1.6       kristaps  283:        if (MAN_TEXT != n->type)
1.7       kristaps  284:                return(0);
1.11      kristaps  285:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  286:                return(1);
1.5       kristaps  287:
1.7       kristaps  288:        return(0);
1.5       kristaps  289: }
                    290:
1.65      kristaps  291: static void
1.4       kristaps  292: man_root_pre(MAN_ARGS)
                    293: {
1.101     kristaps  294:        struct htmlpair  tag;
1.4       kristaps  295:        struct tag      *t, *tt;
1.94      schwarze  296:        char            *title;
1.4       kristaps  297:
1.89      schwarze  298:        assert(man->title);
                    299:        assert(man->msec);
1.94      schwarze  300:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.4       kristaps  301:
1.101     kristaps  302:        PAIR_CLASS_INIT(&tag, "head");
                    303:        t = print_otag(h, TAG_TABLE, 1, &tag);
1.56      kristaps  304:
                    305:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  306:
1.4       kristaps  307:        tt = print_otag(h, TAG_TR, 0, NULL);
                    308:
1.101     kristaps  309:        PAIR_CLASS_INIT(&tag, "head-ltitle");
                    310:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  311:        print_text(h, title);
                    312:        print_stagq(h, tt);
                    313:
1.101     kristaps  314:        PAIR_CLASS_INIT(&tag, "head-vol");
                    315:        print_otag(h, TAG_TD, 1, &tag);
1.95      schwarze  316:        if (NULL != man->vol)
                    317:                print_text(h, man->vol);
1.4       kristaps  318:        print_stagq(h, tt);
                    319:
1.101     kristaps  320:        PAIR_CLASS_INIT(&tag, "head-rtitle");
                    321:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  322:        print_text(h, title);
                    323:        print_tagq(h, t);
1.94      schwarze  324:        free(title);
1.4       kristaps  325: }
                    326:
                    327: static void
                    328: man_root_post(MAN_ARGS)
                    329: {
1.101     kristaps  330:        struct htmlpair  tag;
1.4       kristaps  331:        struct tag      *t, *tt;
                    332:
1.101     kristaps  333:        PAIR_CLASS_INIT(&tag, "foot");
                    334:        t = print_otag(h, TAG_TABLE, 1, &tag);
1.15      kristaps  335:
1.4       kristaps  336:        tt = print_otag(h, TAG_TR, 0, NULL);
                    337:
1.101     kristaps  338:        PAIR_CLASS_INIT(&tag, "foot-date");
                    339:        print_otag(h, TAG_TD, 1, &tag);
1.55      kristaps  340:
1.89      schwarze  341:        assert(man->date);
                    342:        print_text(h, man->date);
1.4       kristaps  343:        print_stagq(h, tt);
                    344:
1.101     kristaps  345:        PAIR_CLASS_INIT(&tag, "foot-os");
                    346:        print_otag(h, TAG_TD, 1, &tag);
1.55      kristaps  347:
1.89      schwarze  348:        if (man->source)
                    349:                print_text(h, man->source);
1.4       kristaps  350:        print_tagq(h, t);
                    351: }
                    352:
                    353:
                    354: static int
                    355: man_br_pre(MAN_ARGS)
                    356: {
1.7       kristaps  357:        struct roffsu    su;
                    358:        struct htmlpair  tag;
1.4       kristaps  359:
1.7       kristaps  360:        SCALE_VS_INIT(&su, 1);
                    361:
1.49      kristaps  362:        if (MAN_sp == n->tok) {
1.75      kristaps  363:                if (NULL != (n = n->child))
                    364:                        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    365:                                SCALE_VS_INIT(&su, atoi(n->string));
1.49      kristaps  366:        } else
1.96      schwarze  367:                su.scale = 0.0;
1.4       kristaps  368:
1.72      kristaps  369:        bufinit(h);
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: static int
                    381: man_SH_pre(MAN_ARGS)
                    382: {
1.54      kristaps  383:        struct htmlpair  tag;
1.4       kristaps  384:
1.54      kristaps  385:        if (MAN_BLOCK == n->type) {
1.76      kristaps  386:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  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: static int
1.8       kristaps  398: man_alt_pre(MAN_ARGS)
                    399: {
                    400:        const struct man_node   *nn;
1.78      kristaps  401:        int              i, savelit;
1.57      kristaps  402:        enum htmltag     fp;
                    403:        struct tag      *t;
1.8       kristaps  404:
1.93      schwarze  405:        if ((savelit = mh->fl & MANH_LITERAL))
1.78      kristaps  406:                print_otag(h, TAG_BR, 0, NULL);
                    407:
                    408:        mh->fl &= ~MANH_LITERAL;
                    409:
1.8       kristaps  410:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  411:                t = NULL;
1.8       kristaps  412:                switch (n->tok) {
1.93      schwarze  413:                case MAN_BI:
1.57      kristaps  414:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  415:                        break;
1.93      schwarze  416:                case MAN_IB:
1.57      kristaps  417:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  418:                        break;
1.93      schwarze  419:                case MAN_RI:
1.57      kristaps  420:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  421:                        break;
1.93      schwarze  422:                case MAN_IR:
1.57      kristaps  423:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  424:                        break;
1.93      schwarze  425:                case MAN_BR:
1.57      kristaps  426:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  427:                        break;
1.93      schwarze  428:                case MAN_RB:
1.57      kristaps  429:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  430:                        break;
                    431:                default:
                    432:                        abort();
                    433:                        /* NOTREACHED */
                    434:                }
                    435:
                    436:                if (i)
                    437:                        h->flags |= HTML_NOSPACE;
                    438:
1.57      kristaps  439:                if (TAG_MAX != fp)
                    440:                        t = print_otag(h, fp, 0, NULL);
                    441:
1.89      schwarze  442:                print_man_node(man, nn, mh, h);
1.57      kristaps  443:
                    444:                if (t)
                    445:                        print_tagq(h, t);
1.8       kristaps  446:        }
                    447:
1.78      kristaps  448:        if (savelit)
                    449:                mh->fl |= MANH_LITERAL;
                    450:
1.8       kristaps  451:        return(0);
                    452: }
                    453:
                    454: static int
1.56      kristaps  455: man_SM_pre(MAN_ARGS)
1.8       kristaps  456: {
1.93      schwarze  457:
1.57      kristaps  458:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  459:        if (MAN_SB == n->tok)
1.57      kristaps  460:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  461:        return(1);
                    462: }
                    463:
                    464: static int
1.4       kristaps  465: man_SS_pre(MAN_ARGS)
                    466: {
1.54      kristaps  467:        struct htmlpair  tag;
1.4       kristaps  468:
1.54      kristaps  469:        if (MAN_BLOCK == n->type) {
1.76      kristaps  470:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  471:                PAIR_CLASS_INIT(&tag, "subsection");
                    472:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  473:                return(1);
1.54      kristaps  474:        } else if (MAN_BODY == n->type)
1.4       kristaps  475:                return(1);
                    476:
1.54      kristaps  477:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  478:        return(1);
                    479: }
                    480:
                    481: static int
                    482: man_PP_pre(MAN_ARGS)
                    483: {
                    484:
1.47      kristaps  485:        if (MAN_HEAD == n->type)
                    486:                return(0);
1.74      kristaps  487:        else if (MAN_BLOCK == n->type)
                    488:                print_bvspace(h, n);
1.47      kristaps  489:
1.5       kristaps  490:        return(1);
                    491: }
                    492:
                    493: static int
                    494: man_IP_pre(MAN_ARGS)
                    495: {
                    496:        const struct man_node   *nn;
                    497:
1.93      schwarze  498:        if (MAN_BODY == n->type) {
1.77      kristaps  499:                print_otag(h, TAG_DD, 0, NULL);
                    500:                return(1);
                    501:        } else if (MAN_HEAD != n->type) {
                    502:                print_otag(h, TAG_DL, 0, NULL);
1.6       kristaps  503:                return(1);
                    504:        }
                    505:
1.78      kristaps  506:        /* FIXME: width specification. */
                    507:
1.77      kristaps  508:        print_otag(h, TAG_DT, 0, NULL);
1.6       kristaps  509:
1.59      schwarze  510:        /* For IP, only print the first header element. */
1.7       kristaps  511:
1.59      schwarze  512:        if (MAN_IP == n->tok && n->child)
1.89      schwarze  513:                print_man_node(man, n->child, mh, h);
1.27      kristaps  514:
1.59      schwarze  515:        /* For TP, only print next-line header elements. */
1.6       kristaps  516:
1.91      schwarze  517:        if (MAN_TP == n->tok) {
                    518:                nn = n->child;
                    519:                while (NULL != nn && 0 == (MAN_LINE & nn->flags))
                    520:                        nn = nn->next;
                    521:                while (NULL != nn) {
                    522:                        print_man_node(man, nn, mh, h);
                    523:                        nn = nn->next;
                    524:                }
                    525:        }
1.6       kristaps  526:
                    527:        return(0);
                    528: }
                    529:
                    530: static int
                    531: man_HP_pre(MAN_ARGS)
                    532: {
1.103     kristaps  533:        struct htmlpair  tag[2];
1.56      kristaps  534:        struct roffsu    su;
                    535:        const struct man_node *np;
1.6       kristaps  536:
1.77      kristaps  537:        if (MAN_HEAD == n->type)
                    538:                return(0);
                    539:        else if (MAN_BLOCK != n->type)
                    540:                return(1);
1.72      kristaps  541:
1.77      kristaps  542:        np = n->head->child;
1.6       kristaps  543:
1.56      kristaps  544:        if (NULL == np || ! a2width(np, &su))
                    545:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  546:
1.77      kristaps  547:        bufinit(h);
1.5       kristaps  548:
1.77      kristaps  549:        print_bvspace(h, n);
                    550:        bufcat_su(h, "margin-left", &su);
1.56      kristaps  551:        su.scale = -su.scale;
1.7       kristaps  552:        bufcat_su(h, "text-indent", &su);
1.103     kristaps  553:        PAIR_STYLE_INIT(&tag[0], h);
                    554:        PAIR_CLASS_INIT(&tag[1], "spacer");
                    555:        print_otag(h, TAG_DIV, 2, tag);
1.4       kristaps  556:        return(1);
                    557: }
1.86      kristaps  558:
                    559: static int
                    560: man_OP_pre(MAN_ARGS)
                    561: {
                    562:        struct tag      *tt;
                    563:        struct htmlpair  tag;
                    564:
                    565:        print_text(h, "[");
                    566:        h->flags |= HTML_NOSPACE;
                    567:        PAIR_CLASS_INIT(&tag, "opt");
                    568:        tt = print_otag(h, TAG_SPAN, 1, &tag);
                    569:
                    570:        if (NULL != (n = n->child)) {
                    571:                print_otag(h, TAG_B, 0, NULL);
                    572:                print_text(h, n->string);
                    573:        }
                    574:
                    575:        print_stagq(h, tt);
                    576:
                    577:        if (NULL != n && NULL != n->next) {
                    578:                print_otag(h, TAG_I, 0, NULL);
                    579:                print_text(h, n->next->string);
                    580:        }
                    581:
                    582:        print_stagq(h, tt);
                    583:        h->flags |= HTML_NOSPACE;
                    584:        print_text(h, "]");
                    585:        return(0);
                    586: }
                    587:
1.8       kristaps  588: static int
                    589: man_B_pre(MAN_ARGS)
                    590: {
                    591:
1.57      kristaps  592:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  593:        return(1);
                    594: }
                    595:
                    596: static int
                    597: man_I_pre(MAN_ARGS)
                    598: {
1.93      schwarze  599:
1.57      kristaps  600:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  601:        return(1);
1.45      kristaps  602: }
                    603:
                    604: static int
                    605: man_literal_pre(MAN_ARGS)
                    606: {
                    607:
1.88      schwarze  608:        if (MAN_fi == n->tok || MAN_EE == n->tok) {
1.45      kristaps  609:                print_otag(h, TAG_BR, 0, NULL);
1.78      kristaps  610:                mh->fl &= ~MANH_LITERAL;
                    611:        } else
1.45      kristaps  612:                mh->fl |= MANH_LITERAL;
                    613:
1.67      schwarze  614:        return(0);
1.45      kristaps  615: }
                    616:
                    617: static int
                    618: man_in_pre(MAN_ARGS)
                    619: {
                    620:
                    621:        print_otag(h, TAG_BR, 0, NULL);
                    622:        return(0);
1.8       kristaps  623: }
                    624:
                    625: static int
                    626: man_ign_pre(MAN_ARGS)
                    627: {
                    628:
                    629:        return(0);
                    630: }
1.9       kristaps  631:
                    632: static int
                    633: man_RS_pre(MAN_ARGS)
                    634: {
                    635:        struct htmlpair  tag;
                    636:        struct roffsu    su;
                    637:
                    638:        if (MAN_HEAD == n->type)
                    639:                return(0);
                    640:        else if (MAN_BODY == n->type)
                    641:                return(1);
                    642:
                    643:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  644:        if (n->head->child)
1.9       kristaps  645:                a2width(n->head->child, &su);
                    646:
1.72      kristaps  647:        bufinit(h);
1.56      kristaps  648:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  649:        PAIR_STYLE_INIT(&tag, h);
                    650:        print_otag(h, TAG_DIV, 1, &tag);
                    651:        return(1);
1.90      schwarze  652: }
                    653:
                    654: static int
                    655: man_UR_pre(MAN_ARGS)
                    656: {
                    657:        struct htmlpair          tag[2];
                    658:
                    659:        n = n->child;
                    660:        assert(MAN_HEAD == n->type);
                    661:        if (n->nchild) {
                    662:                assert(MAN_TEXT == n->child->type);
                    663:                PAIR_CLASS_INIT(&tag[0], "link-ext");
                    664:                PAIR_HREF_INIT(&tag[1], n->child->string);
                    665:                print_otag(h, TAG_A, 2, tag);
                    666:        }
                    667:
                    668:        assert(MAN_BODY == n->next->type);
                    669:        if (n->next->nchild)
                    670:                n = n->next;
                    671:
                    672:        print_man_nodelist(man, n->child, mh, h);
                    673:
                    674:        return(0);
1.9       kristaps  675: }

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