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Annotation of mandoc/man_html.c, Revision 1.112

1.112   ! schwarze    1: /*     $Id: man_html.c,v 1.111 2015/02/10 08:05:30 schwarze Exp $ */
1.1       kristaps    2: /*
1.104     kristaps    3:  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
1.110     schwarze    4:  * Copyright (c) 2013, 2014, 2015 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 */
1.4       kristaps  103:        { man_br_pre, NULL }, /* sp */
1.45      kristaps  104:        { man_literal_pre, NULL }, /* nf */
                    105:        { man_literal_pre, NULL }, /* fi */
1.3       kristaps  106:        { NULL, NULL }, /* RE */
1.9       kristaps  107:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps  108:        { man_ign_pre, NULL }, /* DT */
                    109:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  110:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     111:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  112:        { man_in_pre, NULL }, /* in */
1.51      kristaps  113:        { man_ign_pre, NULL }, /* ft */
1.86      kristaps  114:        { man_OP_pre, NULL }, /* OP */
1.88      schwarze  115:        { man_literal_pre, NULL }, /* EX */
                    116:        { man_literal_pre, NULL }, /* EE */
1.90      schwarze  117:        { man_UR_pre, NULL }, /* UR */
                    118:        { NULL, NULL }, /* UE */
1.92      schwarze  119:        { man_ign_pre, NULL }, /* ll */
1.3       kristaps  120: };
                    121:
1.93      schwarze  122:
1.74      kristaps  123: /*
                    124:  * Printing leading vertical space before a block.
                    125:  * This is used for the paragraph macros.
                    126:  * The rules are pretty simple, since there's very little nesting going
                    127:  * on here.  Basically, if we're the first within another block (SS/SH),
                    128:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    129:  * first, print it.
                    130:  */
                    131: static void
                    132: print_bvspace(struct html *h, const struct man_node *n)
                    133: {
                    134:
                    135:        if (n->body && n->body->child)
                    136:                if (MAN_TBL == n->body->child->type)
                    137:                        return;
                    138:
                    139:        if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok)
                    140:                if (NULL == n->prev)
                    141:                        return;
                    142:
1.103     kristaps  143:        print_paragraph(h);
1.74      kristaps  144: }
1.1       kristaps  145:
                    146: void
1.89      schwarze  147: html_man(void *arg, const struct man *man)
1.1       kristaps  148: {
1.45      kristaps  149:        struct mhtml     mh;
1.3       kristaps  150:
1.45      kristaps  151:        memset(&mh, 0, sizeof(struct mhtml));
1.89      schwarze  152:        print_man(man_meta(man), man_node(man), &mh, (struct html *)arg);
1.82      kristaps  153:        putchar('\n');
1.3       kristaps  154: }
                    155:
                    156: static void
1.93      schwarze  157: print_man(MAN_ARGS)
1.3       kristaps  158: {
1.82      kristaps  159:        struct tag      *t, *tt;
                    160:        struct htmlpair  tag;
                    161:
                    162:        PAIR_CLASS_INIT(&tag, "mandoc");
1.3       kristaps  163:
1.82      kristaps  164:        if ( ! (HTML_FRAGMENT & h->oflags)) {
                    165:                print_gen_decls(h);
                    166:                t = print_otag(h, TAG_HTML, 0, NULL);
                    167:                tt = print_otag(h, TAG_HEAD, 0, NULL);
1.89      schwarze  168:                print_man_head(man, n, mh, h);
1.82      kristaps  169:                print_tagq(h, tt);
                    170:                print_otag(h, TAG_BODY, 0, NULL);
                    171:                print_otag(h, TAG_DIV, 1, &tag);
1.93      schwarze  172:        } else
1.82      kristaps  173:                t = print_otag(h, TAG_DIV, 1, &tag);
1.53      kristaps  174:
1.89      schwarze  175:        print_man_nodelist(man, n, mh, h);
1.3       kristaps  176:        print_tagq(h, t);
                    177: }
                    178:
                    179: static void
                    180: print_man_head(MAN_ARGS)
                    181: {
                    182:
                    183:        print_gen_head(h);
1.89      schwarze  184:        assert(man->title);
                    185:        assert(man->msec);
                    186:        bufcat_fmt(h, "%s(%s)", man->title, man->msec);
1.3       kristaps  187:        print_otag(h, TAG_TITLE, 0, NULL);
                    188:        print_text(h, h->buf);
1.1       kristaps  189: }
1.4       kristaps  190:
                    191: static void
                    192: print_man_nodelist(MAN_ARGS)
                    193: {
                    194:
1.110     schwarze  195:        while (n != NULL) {
                    196:                print_man_node(man, n, mh, h);
                    197:                n = n->next;
                    198:        }
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:                }
1.111     schwarze  219:                if (n->flags & MAN_LINE && (*n->string == ' ' ||
1.106     schwarze  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:
1.112   ! schwarze  226:                if (n->flags & MAN_LINE)
        !           227:                        putchar('\n');
1.80      kristaps  228:                print_eqn(h, n->eqn);
1.69      kristaps  229:                break;
1.93      schwarze  230:        case MAN_TBL:
1.66      kristaps  231:                /*
                    232:                 * This will take care of initialising all of the table
                    233:                 * state data for the first table, then tearing it down
                    234:                 * for the last one.
                    235:                 */
1.60      kristaps  236:                print_tbl(h, n->span);
1.64      kristaps  237:                return;
1.4       kristaps  238:        default:
1.93      schwarze  239:                /*
1.21      kristaps  240:                 * Close out scope of font prior to opening a macro
1.66      kristaps  241:                 * scope.
1.21      kristaps  242:                 */
1.57      kristaps  243:                if (HTMLFONT_NONE != h->metac) {
                    244:                        h->metal = h->metac;
                    245:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  246:                }
                    247:
                    248:                /*
                    249:                 * Close out the current table, if it's open, and unset
                    250:                 * the "meta" table state.  This will be reopened on the
                    251:                 * next table element.
                    252:                 */
                    253:                if (h->tblt) {
                    254:                        print_tblclose(h);
                    255:                        t = h->tags.head;
1.20      kristaps  256:                }
1.4       kristaps  257:                if (mans[n->tok].pre)
1.89      schwarze  258:                        child = (*mans[n->tok].pre)(man, n, mh, h);
1.4       kristaps  259:                break;
                    260:        }
                    261:
1.21      kristaps  262:        if (child && n->child)
1.89      schwarze  263:                print_man_nodelist(man, n->child, mh, h);
1.21      kristaps  264:
1.24      kristaps  265:        /* This will automatically close out any font scope. */
1.4       kristaps  266:        print_stagq(h, t);
                    267:
1.61      kristaps  268:        switch (n->type) {
1.93      schwarze  269:        case MAN_ROOT:
1.89      schwarze  270:                man_root_post(man, n, mh, h);
1.69      kristaps  271:                break;
1.93      schwarze  272:        case MAN_EQN:
1.61      kristaps  273:                break;
                    274:        default:
                    275:                if (mans[n->tok].post)
1.89      schwarze  276:                        (*mans[n->tok].post)(man, n, mh, h);
1.61      kristaps  277:                break;
                    278:        }
1.4       kristaps  279: }
                    280:
1.5       kristaps  281: static int
1.7       kristaps  282: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  283: {
                    284:
1.6       kristaps  285:        if (MAN_TEXT != n->type)
1.7       kristaps  286:                return(0);
1.107     schwarze  287:        if (a2roffsu(n->string, su, SCALE_EN))
1.7       kristaps  288:                return(1);
1.5       kristaps  289:
1.7       kristaps  290:        return(0);
1.5       kristaps  291: }
                    292:
1.65      kristaps  293: static void
1.4       kristaps  294: man_root_pre(MAN_ARGS)
                    295: {
1.101     kristaps  296:        struct htmlpair  tag;
1.4       kristaps  297:        struct tag      *t, *tt;
1.94      schwarze  298:        char            *title;
1.4       kristaps  299:
1.89      schwarze  300:        assert(man->title);
                    301:        assert(man->msec);
1.94      schwarze  302:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.4       kristaps  303:
1.101     kristaps  304:        PAIR_CLASS_INIT(&tag, "head");
                    305:        t = print_otag(h, TAG_TABLE, 1, &tag);
1.56      kristaps  306:
                    307:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  308:
1.4       kristaps  309:        tt = print_otag(h, TAG_TR, 0, NULL);
                    310:
1.101     kristaps  311:        PAIR_CLASS_INIT(&tag, "head-ltitle");
                    312:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  313:        print_text(h, title);
                    314:        print_stagq(h, tt);
                    315:
1.101     kristaps  316:        PAIR_CLASS_INIT(&tag, "head-vol");
                    317:        print_otag(h, TAG_TD, 1, &tag);
1.95      schwarze  318:        if (NULL != man->vol)
                    319:                print_text(h, man->vol);
1.4       kristaps  320:        print_stagq(h, tt);
                    321:
1.101     kristaps  322:        PAIR_CLASS_INIT(&tag, "head-rtitle");
                    323:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  324:        print_text(h, title);
                    325:        print_tagq(h, t);
1.94      schwarze  326:        free(title);
1.4       kristaps  327: }
                    328:
                    329: static void
                    330: man_root_post(MAN_ARGS)
                    331: {
1.101     kristaps  332:        struct htmlpair  tag;
1.4       kristaps  333:        struct tag      *t, *tt;
                    334:
1.101     kristaps  335:        PAIR_CLASS_INIT(&tag, "foot");
                    336:        t = print_otag(h, TAG_TABLE, 1, &tag);
1.15      kristaps  337:
1.4       kristaps  338:        tt = print_otag(h, TAG_TR, 0, NULL);
                    339:
1.101     kristaps  340:        PAIR_CLASS_INIT(&tag, "foot-date");
                    341:        print_otag(h, TAG_TD, 1, &tag);
1.55      kristaps  342:
1.89      schwarze  343:        assert(man->date);
                    344:        print_text(h, man->date);
1.4       kristaps  345:        print_stagq(h, tt);
                    346:
1.101     kristaps  347:        PAIR_CLASS_INIT(&tag, "foot-os");
                    348:        print_otag(h, TAG_TD, 1, &tag);
1.55      kristaps  349:
1.89      schwarze  350:        if (man->source)
                    351:                print_text(h, man->source);
1.4       kristaps  352:        print_tagq(h, t);
                    353: }
                    354:
                    355:
                    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) {
1.75      kristaps  365:                if (NULL != (n = n->child))
                    366:                        if ( ! a2roffsu(n->string, &su, SCALE_VS))
1.108     schwarze  367:                                su.scale = 1.0;
1.49      kristaps  368:        } else
1.96      schwarze  369:                su.scale = 0.0;
1.4       kristaps  370:
1.72      kristaps  371:        bufinit(h);
1.7       kristaps  372:        bufcat_su(h, "height", &su);
                    373:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  374:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  375:
1.16      kristaps  376:        /* So the div isn't empty: */
                    377:        print_text(h, "\\~");
                    378:
1.7       kristaps  379:        return(0);
1.4       kristaps  380: }
                    381:
                    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) {
1.76      kristaps  388:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  389:                PAIR_CLASS_INIT(&tag, "section");
                    390:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  391:                return(1);
1.54      kristaps  392:        } else if (MAN_BODY == n->type)
1.4       kristaps  393:                return(1);
                    394:
1.54      kristaps  395:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  396:        return(1);
                    397: }
                    398:
                    399: static int
1.8       kristaps  400: man_alt_pre(MAN_ARGS)
                    401: {
                    402:        const struct man_node   *nn;
1.78      kristaps  403:        int              i, savelit;
1.57      kristaps  404:        enum htmltag     fp;
                    405:        struct tag      *t;
1.8       kristaps  406:
1.93      schwarze  407:        if ((savelit = mh->fl & MANH_LITERAL))
1.78      kristaps  408:                print_otag(h, TAG_BR, 0, NULL);
                    409:
                    410:        mh->fl &= ~MANH_LITERAL;
                    411:
1.8       kristaps  412:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  413:                t = NULL;
1.8       kristaps  414:                switch (n->tok) {
1.93      schwarze  415:                case MAN_BI:
1.57      kristaps  416:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  417:                        break;
1.93      schwarze  418:                case MAN_IB:
1.57      kristaps  419:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  420:                        break;
1.93      schwarze  421:                case MAN_RI:
1.57      kristaps  422:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  423:                        break;
1.93      schwarze  424:                case MAN_IR:
1.57      kristaps  425:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  426:                        break;
1.93      schwarze  427:                case MAN_BR:
1.57      kristaps  428:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  429:                        break;
1.93      schwarze  430:                case MAN_RB:
1.57      kristaps  431:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  432:                        break;
                    433:                default:
                    434:                        abort();
                    435:                        /* NOTREACHED */
                    436:                }
                    437:
                    438:                if (i)
                    439:                        h->flags |= HTML_NOSPACE;
                    440:
1.57      kristaps  441:                if (TAG_MAX != fp)
                    442:                        t = print_otag(h, fp, 0, NULL);
                    443:
1.89      schwarze  444:                print_man_node(man, nn, mh, h);
1.57      kristaps  445:
                    446:                if (t)
                    447:                        print_tagq(h, t);
1.8       kristaps  448:        }
                    449:
1.78      kristaps  450:        if (savelit)
                    451:                mh->fl |= MANH_LITERAL;
                    452:
1.8       kristaps  453:        return(0);
                    454: }
                    455:
                    456: static int
1.56      kristaps  457: man_SM_pre(MAN_ARGS)
1.8       kristaps  458: {
1.93      schwarze  459:
1.57      kristaps  460:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  461:        if (MAN_SB == n->tok)
1.57      kristaps  462:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  463:        return(1);
                    464: }
                    465:
                    466: static int
1.4       kristaps  467: man_SS_pre(MAN_ARGS)
                    468: {
1.54      kristaps  469:        struct htmlpair  tag;
1.4       kristaps  470:
1.54      kristaps  471:        if (MAN_BLOCK == n->type) {
1.76      kristaps  472:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  473:                PAIR_CLASS_INIT(&tag, "subsection");
                    474:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  475:                return(1);
1.54      kristaps  476:        } else if (MAN_BODY == n->type)
1.4       kristaps  477:                return(1);
                    478:
1.54      kristaps  479:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  480:        return(1);
                    481: }
                    482:
                    483: static int
                    484: man_PP_pre(MAN_ARGS)
                    485: {
                    486:
1.47      kristaps  487:        if (MAN_HEAD == n->type)
                    488:                return(0);
1.74      kristaps  489:        else if (MAN_BLOCK == n->type)
                    490:                print_bvspace(h, n);
1.47      kristaps  491:
1.5       kristaps  492:        return(1);
                    493: }
                    494:
                    495: static int
                    496: man_IP_pre(MAN_ARGS)
                    497: {
                    498:        const struct man_node   *nn;
                    499:
1.93      schwarze  500:        if (MAN_BODY == n->type) {
1.77      kristaps  501:                print_otag(h, TAG_DD, 0, NULL);
                    502:                return(1);
                    503:        } else if (MAN_HEAD != n->type) {
                    504:                print_otag(h, TAG_DL, 0, NULL);
1.6       kristaps  505:                return(1);
                    506:        }
                    507:
1.78      kristaps  508:        /* FIXME: width specification. */
                    509:
1.77      kristaps  510:        print_otag(h, TAG_DT, 0, NULL);
1.6       kristaps  511:
1.59      schwarze  512:        /* For IP, only print the first header element. */
1.7       kristaps  513:
1.59      schwarze  514:        if (MAN_IP == n->tok && n->child)
1.89      schwarze  515:                print_man_node(man, n->child, mh, h);
1.27      kristaps  516:
1.59      schwarze  517:        /* For TP, only print next-line header elements. */
1.6       kristaps  518:
1.91      schwarze  519:        if (MAN_TP == n->tok) {
                    520:                nn = n->child;
                    521:                while (NULL != nn && 0 == (MAN_LINE & nn->flags))
                    522:                        nn = nn->next;
                    523:                while (NULL != nn) {
                    524:                        print_man_node(man, nn, mh, h);
                    525:                        nn = nn->next;
                    526:                }
                    527:        }
1.6       kristaps  528:
                    529:        return(0);
                    530: }
                    531:
                    532: static int
                    533: man_HP_pre(MAN_ARGS)
                    534: {
1.103     kristaps  535:        struct htmlpair  tag[2];
1.56      kristaps  536:        struct roffsu    su;
                    537:        const struct man_node *np;
1.6       kristaps  538:
1.77      kristaps  539:        if (MAN_HEAD == n->type)
                    540:                return(0);
                    541:        else if (MAN_BLOCK != n->type)
                    542:                return(1);
1.72      kristaps  543:
1.77      kristaps  544:        np = n->head->child;
1.6       kristaps  545:
1.56      kristaps  546:        if (NULL == np || ! a2width(np, &su))
                    547:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  548:
1.77      kristaps  549:        bufinit(h);
1.5       kristaps  550:
1.77      kristaps  551:        print_bvspace(h, n);
                    552:        bufcat_su(h, "margin-left", &su);
1.56      kristaps  553:        su.scale = -su.scale;
1.7       kristaps  554:        bufcat_su(h, "text-indent", &su);
1.103     kristaps  555:        PAIR_STYLE_INIT(&tag[0], h);
                    556:        PAIR_CLASS_INIT(&tag[1], "spacer");
                    557:        print_otag(h, TAG_DIV, 2, tag);
1.4       kristaps  558:        return(1);
                    559: }
1.86      kristaps  560:
                    561: static int
                    562: man_OP_pre(MAN_ARGS)
                    563: {
                    564:        struct tag      *tt;
                    565:        struct htmlpair  tag;
                    566:
                    567:        print_text(h, "[");
                    568:        h->flags |= HTML_NOSPACE;
                    569:        PAIR_CLASS_INIT(&tag, "opt");
                    570:        tt = print_otag(h, TAG_SPAN, 1, &tag);
                    571:
                    572:        if (NULL != (n = n->child)) {
                    573:                print_otag(h, TAG_B, 0, NULL);
                    574:                print_text(h, n->string);
                    575:        }
                    576:
                    577:        print_stagq(h, tt);
                    578:
                    579:        if (NULL != n && NULL != n->next) {
                    580:                print_otag(h, TAG_I, 0, NULL);
                    581:                print_text(h, n->next->string);
                    582:        }
                    583:
                    584:        print_stagq(h, tt);
                    585:        h->flags |= HTML_NOSPACE;
                    586:        print_text(h, "]");
                    587:        return(0);
                    588: }
                    589:
1.8       kristaps  590: static int
                    591: man_B_pre(MAN_ARGS)
                    592: {
                    593:
1.57      kristaps  594:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  595:        return(1);
                    596: }
                    597:
                    598: static int
                    599: man_I_pre(MAN_ARGS)
                    600: {
1.93      schwarze  601:
1.57      kristaps  602:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  603:        return(1);
1.45      kristaps  604: }
                    605:
                    606: static int
                    607: man_literal_pre(MAN_ARGS)
                    608: {
                    609:
1.88      schwarze  610:        if (MAN_fi == n->tok || MAN_EE == n->tok) {
1.45      kristaps  611:                print_otag(h, TAG_BR, 0, NULL);
1.78      kristaps  612:                mh->fl &= ~MANH_LITERAL;
                    613:        } else
1.45      kristaps  614:                mh->fl |= MANH_LITERAL;
                    615:
1.67      schwarze  616:        return(0);
1.45      kristaps  617: }
                    618:
                    619: static int
                    620: man_in_pre(MAN_ARGS)
                    621: {
                    622:
                    623:        print_otag(h, TAG_BR, 0, NULL);
                    624:        return(0);
1.8       kristaps  625: }
                    626:
                    627: static int
                    628: man_ign_pre(MAN_ARGS)
                    629: {
                    630:
                    631:        return(0);
                    632: }
1.9       kristaps  633:
                    634: static int
                    635: man_RS_pre(MAN_ARGS)
                    636: {
                    637:        struct htmlpair  tag;
                    638:        struct roffsu    su;
                    639:
                    640:        if (MAN_HEAD == n->type)
                    641:                return(0);
                    642:        else if (MAN_BODY == n->type)
                    643:                return(1);
                    644:
                    645:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  646:        if (n->head->child)
1.9       kristaps  647:                a2width(n->head->child, &su);
                    648:
1.72      kristaps  649:        bufinit(h);
1.56      kristaps  650:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  651:        PAIR_STYLE_INIT(&tag, h);
                    652:        print_otag(h, TAG_DIV, 1, &tag);
                    653:        return(1);
1.90      schwarze  654: }
                    655:
                    656: static int
                    657: man_UR_pre(MAN_ARGS)
                    658: {
                    659:        struct htmlpair          tag[2];
                    660:
                    661:        n = n->child;
                    662:        assert(MAN_HEAD == n->type);
                    663:        if (n->nchild) {
                    664:                assert(MAN_TEXT == n->child->type);
                    665:                PAIR_CLASS_INIT(&tag[0], "link-ext");
                    666:                PAIR_HREF_INIT(&tag[1], n->child->string);
                    667:                print_otag(h, TAG_A, 2, tag);
                    668:        }
                    669:
                    670:        assert(MAN_BODY == n->next->type);
                    671:        if (n->next->nchild)
                    672:                n = n->next;
                    673:
                    674:        print_man_nodelist(man, n->child, mh, h);
                    675:
                    676:        return(0);
1.9       kristaps  677: }

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