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Annotation of mandoc/man_html.c, Revision 1.79

1.79    ! kristaps    1: /*     $Id: man_html.c,v 1.78 2011/07/07 13:54:36 kristaps Exp $ */
1.1       kristaps    2: /*
1.70      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 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:
1.74      kristaps   56: static void              print_bvspace(struct html *,
                     57:                                const struct man_node *);
1.3       kristaps   58: static void              print_man(MAN_ARGS);
                     59: static void              print_man_head(MAN_ARGS);
1.4       kristaps   60: static void              print_man_nodelist(MAN_ARGS);
                     61: static void              print_man_node(MAN_ARGS);
1.3       kristaps   62:
1.7       kristaps   63: static int               a2width(const struct man_node *,
                     64:                                struct roffsu *);
1.5       kristaps   65:
1.8       kristaps   66: static int               man_alt_pre(MAN_ARGS);
1.4       kristaps   67: static int               man_br_pre(MAN_ARGS);
1.8       kristaps   68: static int               man_ign_pre(MAN_ARGS);
1.45      kristaps   69: static int               man_in_pre(MAN_ARGS);
                     70: static int               man_literal_pre(MAN_ARGS);
1.8       kristaps   71: static void              man_root_post(MAN_ARGS);
1.65      kristaps   72: static void              man_root_pre(MAN_ARGS);
1.8       kristaps   73: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   74: static int               man_HP_pre(MAN_ARGS);
1.8       kristaps   75: static int               man_I_pre(MAN_ARGS);
1.5       kristaps   76: static int               man_IP_pre(MAN_ARGS);
1.4       kristaps   77: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   78: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   79: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   80: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   81: static int               man_SS_pre(MAN_ARGS);
                     82:
1.3       kristaps   83: static const struct htmlman mans[MAN_MAX] = {
1.4       kristaps   84:        { man_br_pre, NULL }, /* br */
1.3       kristaps   85:        { NULL, NULL }, /* TH */
1.4       kristaps   86:        { man_SH_pre, NULL }, /* SH */
                     87:        { man_SS_pre, NULL }, /* SS */
1.6       kristaps   88:        { man_IP_pre, NULL }, /* TP */
1.4       kristaps   89:        { man_PP_pre, NULL }, /* LP */
                     90:        { man_PP_pre, NULL }, /* PP */
                     91:        { man_PP_pre, NULL }, /* P */
1.5       kristaps   92:        { man_IP_pre, NULL }, /* IP */
1.6       kristaps   93:        { man_HP_pre, NULL }, /* HP */
1.8       kristaps   94:        { man_SM_pre, NULL }, /* SM */
1.56      kristaps   95:        { man_SM_pre, NULL }, /* SB */
1.8       kristaps   96:        { man_alt_pre, NULL }, /* BI */
                     97:        { man_alt_pre, NULL }, /* IB */
                     98:        { man_alt_pre, NULL }, /* BR */
                     99:        { man_alt_pre, NULL }, /* RB */
1.3       kristaps  100:        { NULL, NULL }, /* R */
1.8       kristaps  101:        { man_B_pre, NULL }, /* B */
                    102:        { man_I_pre, NULL }, /* I */
                    103:        { man_alt_pre, NULL }, /* IR */
                    104:        { man_alt_pre, NULL }, /* RI */
1.67      schwarze  105:        { man_ign_pre, NULL }, /* na */
1.4       kristaps  106:        { man_br_pre, NULL }, /* sp */
1.45      kristaps  107:        { man_literal_pre, NULL }, /* nf */
                    108:        { man_literal_pre, NULL }, /* fi */
1.3       kristaps  109:        { NULL, NULL }, /* RE */
1.9       kristaps  110:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps  111:        { man_ign_pre, NULL }, /* DT */
                    112:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  113:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     114:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  115:        { man_in_pre, NULL }, /* in */
1.51      kristaps  116:        { man_ign_pre, NULL }, /* ft */
1.3       kristaps  117: };
                    118:
1.74      kristaps  119: /*
                    120:  * Printing leading vertical space before a block.
                    121:  * This is used for the paragraph macros.
                    122:  * The rules are pretty simple, since there's very little nesting going
                    123:  * on here.  Basically, if we're the first within another block (SS/SH),
                    124:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    125:  * first, print it.
                    126:  */
                    127: static void
                    128: print_bvspace(struct html *h, const struct man_node *n)
                    129: {
                    130:
                    131:        if (n->body && n->body->child)
                    132:                if (MAN_TBL == n->body->child->type)
                    133:                        return;
                    134:
                    135:        if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok)
                    136:                if (NULL == n->prev)
                    137:                        return;
                    138:
                    139:        print_otag(h, TAG_P, 0, NULL);
                    140: }
1.1       kristaps  141:
                    142: void
                    143: html_man(void *arg, const struct man *m)
                    144: {
1.3       kristaps  145:        struct html     *h;
                    146:        struct tag      *t;
1.45      kristaps  147:        struct mhtml     mh;
1.3       kristaps  148:
                    149:        h = (struct html *)arg;
                    150:
1.26      kristaps  151:        print_gen_decls(h);
1.3       kristaps  152:
1.45      kristaps  153:        memset(&mh, 0, sizeof(struct mhtml));
                    154:
1.3       kristaps  155:        t = print_otag(h, TAG_HTML, 0, NULL);
1.45      kristaps  156:        print_man(man_meta(m), man_node(m), &mh, h);
1.3       kristaps  157:        print_tagq(h, t);
                    158:
                    159:        printf("\n");
                    160: }
                    161:
                    162: static void
                    163: print_man(MAN_ARGS)
                    164: {
                    165:        struct tag      *t;
                    166:
                    167:        t = print_otag(h, TAG_HEAD, 0, NULL);
1.45      kristaps  168:        print_man_head(m, n, mh, h);
1.3       kristaps  169:        print_tagq(h, t);
1.53      kristaps  170:
1.3       kristaps  171:        t = print_otag(h, TAG_BODY, 0, NULL);
1.45      kristaps  172:        print_man_nodelist(m, n, mh, h);
1.3       kristaps  173:        print_tagq(h, t);
                    174: }
                    175:
                    176:
                    177: /* ARGSUSED */
                    178: static void
                    179: print_man_head(MAN_ARGS)
                    180: {
                    181:
                    182:        print_gen_head(h);
1.71      kristaps  183:        bufcat_fmt(h, "%s(%s)", m->title, m->msec);
1.3       kristaps  184:        print_otag(h, TAG_TITLE, 0, NULL);
                    185:        print_text(h, h->buf);
1.1       kristaps  186: }
1.4       kristaps  187:
                    188:
                    189: static void
                    190: print_man_nodelist(MAN_ARGS)
                    191: {
                    192:
1.45      kristaps  193:        print_man_node(m, n, mh, h);
1.4       kristaps  194:        if (n->next)
1.45      kristaps  195:                print_man_nodelist(m, n->next, mh, h);
1.4       kristaps  196: }
                    197:
                    198:
                    199: static void
                    200: print_man_node(MAN_ARGS)
                    201: {
                    202:        int              child;
                    203:        struct tag      *t;
1.69      kristaps  204:        struct htmlpair  tag;
1.4       kristaps  205:
                    206:        child = 1;
1.14      kristaps  207:        t = h->tags.head;
1.4       kristaps  208:
                    209:        switch (n->type) {
                    210:        case (MAN_ROOT):
1.65      kristaps  211:                man_root_pre(m, n, mh, h);
1.4       kristaps  212:                break;
                    213:        case (MAN_TEXT):
1.65      kristaps  214:                /*
                    215:                 * If we have a blank line, output a vertical space.
                    216:                 * If we have a space as the first character, break
                    217:                 * before printing the line's data.
                    218:                 */
1.63      kristaps  219:                if ('\0' == *n->string) {
                    220:                        print_otag(h, TAG_P, 0, NULL);
                    221:                        return;
1.78      kristaps  222:                }
                    223:
                    224:                if (' ' == *n->string && MAN_LINE & n->flags)
                    225:                        print_otag(h, TAG_BR, 0, NULL);
                    226:                else if (MANH_LITERAL & mh->fl && n->prev)
1.63      kristaps  227:                        print_otag(h, TAG_BR, 0, NULL);
                    228:
1.4       kristaps  229:                print_text(h, n->string);
1.68      kristaps  230:                return;
                    231:        case (MAN_EQN):
1.69      kristaps  232:                PAIR_CLASS_INIT(&tag, "eqn");
1.79    ! kristaps  233:                /*print_otag(h, TAG_SPAN, 1, &tag);
        !           234:                print_text(h, n->eqn->data);*/
1.69      kristaps  235:                break;
1.58      kristaps  236:        case (MAN_TBL):
1.66      kristaps  237:                /*
                    238:                 * This will take care of initialising all of the table
                    239:                 * state data for the first table, then tearing it down
                    240:                 * for the last one.
                    241:                 */
1.60      kristaps  242:                print_tbl(h, n->span);
1.64      kristaps  243:                return;
1.4       kristaps  244:        default:
1.21      kristaps  245:                /*
                    246:                 * Close out scope of font prior to opening a macro
1.66      kristaps  247:                 * scope.
1.21      kristaps  248:                 */
1.57      kristaps  249:                if (HTMLFONT_NONE != h->metac) {
                    250:                        h->metal = h->metac;
                    251:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  252:                }
                    253:
                    254:                /*
                    255:                 * Close out the current table, if it's open, and unset
                    256:                 * the "meta" table state.  This will be reopened on the
                    257:                 * next table element.
                    258:                 */
                    259:                if (h->tblt) {
                    260:                        print_tblclose(h);
                    261:                        t = h->tags.head;
1.20      kristaps  262:                }
1.4       kristaps  263:                if (mans[n->tok].pre)
1.45      kristaps  264:                        child = (*mans[n->tok].pre)(m, n, mh, h);
1.4       kristaps  265:                break;
                    266:        }
                    267:
1.21      kristaps  268:        if (child && n->child)
1.45      kristaps  269:                print_man_nodelist(m, n->child, mh, h);
1.21      kristaps  270:
1.24      kristaps  271:        /* This will automatically close out any font scope. */
1.4       kristaps  272:        print_stagq(h, t);
                    273:
1.61      kristaps  274:        switch (n->type) {
                    275:        case (MAN_ROOT):
1.45      kristaps  276:                man_root_post(m, n, mh, h);
1.69      kristaps  277:                break;
                    278:        case (MAN_EQN):
1.61      kristaps  279:                break;
                    280:        default:
                    281:                if (mans[n->tok].post)
                    282:                        (*mans[n->tok].post)(m, n, mh, h);
                    283:                break;
                    284:        }
1.4       kristaps  285: }
                    286:
                    287:
1.5       kristaps  288: static int
1.7       kristaps  289: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  290: {
                    291:
1.6       kristaps  292:        if (MAN_TEXT != n->type)
1.7       kristaps  293:                return(0);
1.11      kristaps  294:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  295:                return(1);
1.5       kristaps  296:
1.7       kristaps  297:        return(0);
1.5       kristaps  298: }
                    299:
                    300:
1.40      kristaps  301: /* ARGSUSED */
1.65      kristaps  302: static void
1.4       kristaps  303: man_root_pre(MAN_ARGS)
                    304: {
1.56      kristaps  305:        struct htmlpair  tag[3];
1.4       kristaps  306:        struct tag      *t, *tt;
                    307:        char             b[BUFSIZ], title[BUFSIZ];
                    308:
                    309:        b[0] = 0;
                    310:        if (m->vol)
                    311:                (void)strlcat(b, m->vol, BUFSIZ);
                    312:
1.31      kristaps  313:        snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
1.4       kristaps  314:
1.56      kristaps  315:        PAIR_SUMMARY_INIT(&tag[0], "Document Header");
                    316:        PAIR_CLASS_INIT(&tag[1], "head");
                    317:        if (NULL == h->style) {
                    318:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    319:                t = print_otag(h, TAG_TABLE, 3, tag);
                    320:                PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
                    321:                print_otag(h, TAG_COL, 1, tag);
                    322:                print_otag(h, TAG_COL, 1, tag);
                    323:                print_otag(h, TAG_COL, 1, tag);
                    324:        } else
                    325:                t = print_otag(h, TAG_TABLE, 2, tag);
                    326:
                    327:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  328:
1.4       kristaps  329:        tt = print_otag(h, TAG_TR, 0, NULL);
                    330:
1.55      kristaps  331:        PAIR_CLASS_INIT(&tag[0], "head-ltitle");
1.4       kristaps  332:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  333:
1.4       kristaps  334:        print_text(h, title);
                    335:        print_stagq(h, tt);
                    336:
1.55      kristaps  337:        PAIR_CLASS_INIT(&tag[0], "head-vol");
1.56      kristaps  338:        if (NULL == h->style) {
                    339:                PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
                    340:                print_otag(h, TAG_TD, 2, tag);
                    341:        } else
                    342:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  343:
1.4       kristaps  344:        print_text(h, b);
                    345:        print_stagq(h, tt);
                    346:
1.55      kristaps  347:        PAIR_CLASS_INIT(&tag[0], "head-rtitle");
1.56      kristaps  348:        if (NULL == h->style) {
                    349:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    350:                print_otag(h, TAG_TD, 2, tag);
                    351:        } else
                    352:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  353:
1.4       kristaps  354:        print_text(h, title);
                    355:        print_tagq(h, t);
                    356: }
                    357:
                    358:
                    359: /* ARGSUSED */
                    360: static void
                    361: man_root_post(MAN_ARGS)
                    362: {
1.56      kristaps  363:        struct htmlpair  tag[3];
1.4       kristaps  364:        struct tag      *t, *tt;
                    365:
1.56      kristaps  366:        PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
                    367:        PAIR_CLASS_INIT(&tag[1], "foot");
                    368:        if (NULL == h->style) {
                    369:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    370:                t = print_otag(h, TAG_TABLE, 3, tag);
                    371:                PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
                    372:                print_otag(h, TAG_COL, 1, tag);
                    373:                print_otag(h, TAG_COL, 1, tag);
                    374:        } else
                    375:                t = print_otag(h, TAG_TABLE, 2, tag);
1.15      kristaps  376:
1.4       kristaps  377:        tt = print_otag(h, TAG_TR, 0, NULL);
                    378:
1.55      kristaps  379:        PAIR_CLASS_INIT(&tag[0], "foot-date");
1.4       kristaps  380:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  381:
1.70      schwarze  382:        print_text(h, m->date);
1.4       kristaps  383:        print_stagq(h, tt);
                    384:
1.55      kristaps  385:        PAIR_CLASS_INIT(&tag[0], "foot-os");
1.56      kristaps  386:        if (NULL == h->style) {
                    387:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    388:                print_otag(h, TAG_TD, 2, tag);
                    389:        } else
                    390:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  391:
1.4       kristaps  392:        if (m->source)
                    393:                print_text(h, m->source);
                    394:        print_tagq(h, t);
                    395: }
                    396:
                    397:
                    398: /* ARGSUSED */
                    399: static int
                    400: man_br_pre(MAN_ARGS)
                    401: {
1.7       kristaps  402:        struct roffsu    su;
                    403:        struct htmlpair  tag;
1.4       kristaps  404:
1.7       kristaps  405:        SCALE_VS_INIT(&su, 1);
                    406:
1.49      kristaps  407:        if (MAN_sp == n->tok) {
1.75      kristaps  408:                if (NULL != (n = n->child))
                    409:                        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    410:                                SCALE_VS_INIT(&su, atoi(n->string));
1.49      kristaps  411:        } else
1.7       kristaps  412:                su.scale = 0;
1.4       kristaps  413:
1.72      kristaps  414:        bufinit(h);
1.7       kristaps  415:        bufcat_su(h, "height", &su);
                    416:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  417:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  418:
1.16      kristaps  419:        /* So the div isn't empty: */
                    420:        print_text(h, "\\~");
                    421:
1.7       kristaps  422:        return(0);
1.4       kristaps  423: }
                    424:
                    425: /* ARGSUSED */
                    426: static int
                    427: man_SH_pre(MAN_ARGS)
                    428: {
1.54      kristaps  429:        struct htmlpair  tag;
1.4       kristaps  430:
1.54      kristaps  431:        if (MAN_BLOCK == n->type) {
1.76      kristaps  432:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  433:                PAIR_CLASS_INIT(&tag, "section");
                    434:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  435:                return(1);
1.54      kristaps  436:        } else if (MAN_BODY == n->type)
1.4       kristaps  437:                return(1);
                    438:
1.54      kristaps  439:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  440:        return(1);
                    441: }
                    442:
                    443: /* ARGSUSED */
                    444: static int
1.8       kristaps  445: man_alt_pre(MAN_ARGS)
                    446: {
                    447:        const struct man_node   *nn;
1.78      kristaps  448:        int              i, savelit;
1.57      kristaps  449:        enum htmltag     fp;
                    450:        struct tag      *t;
1.8       kristaps  451:
1.78      kristaps  452:        if ((savelit = mh->fl & MANH_LITERAL))
                    453:                print_otag(h, TAG_BR, 0, NULL);
                    454:
                    455:        mh->fl &= ~MANH_LITERAL;
                    456:
1.8       kristaps  457:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  458:                t = NULL;
1.8       kristaps  459:                switch (n->tok) {
                    460:                case (MAN_BI):
1.57      kristaps  461:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  462:                        break;
                    463:                case (MAN_IB):
1.57      kristaps  464:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  465:                        break;
                    466:                case (MAN_RI):
1.57      kristaps  467:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  468:                        break;
                    469:                case (MAN_IR):
1.57      kristaps  470:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  471:                        break;
                    472:                case (MAN_BR):
1.57      kristaps  473:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  474:                        break;
                    475:                case (MAN_RB):
1.57      kristaps  476:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  477:                        break;
                    478:                default:
                    479:                        abort();
                    480:                        /* NOTREACHED */
                    481:                }
                    482:
                    483:                if (i)
                    484:                        h->flags |= HTML_NOSPACE;
                    485:
1.57      kristaps  486:                if (TAG_MAX != fp)
                    487:                        t = print_otag(h, fp, 0, NULL);
                    488:
1.45      kristaps  489:                print_man_node(m, nn, mh, h);
1.57      kristaps  490:
                    491:                if (t)
                    492:                        print_tagq(h, t);
1.8       kristaps  493:        }
                    494:
1.78      kristaps  495:        if (savelit)
                    496:                mh->fl |= MANH_LITERAL;
                    497:
1.8       kristaps  498:        return(0);
                    499: }
                    500:
                    501: /* ARGSUSED */
                    502: static int
1.56      kristaps  503: man_SM_pre(MAN_ARGS)
1.8       kristaps  504: {
                    505:
1.57      kristaps  506:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  507:        if (MAN_SB == n->tok)
1.57      kristaps  508:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  509:        return(1);
                    510: }
                    511:
                    512: /* ARGSUSED */
                    513: static int
1.4       kristaps  514: man_SS_pre(MAN_ARGS)
                    515: {
1.54      kristaps  516:        struct htmlpair  tag;
1.4       kristaps  517:
1.54      kristaps  518:        if (MAN_BLOCK == n->type) {
1.76      kristaps  519:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  520:                PAIR_CLASS_INIT(&tag, "subsection");
                    521:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  522:                return(1);
1.54      kristaps  523:        } else if (MAN_BODY == n->type)
1.4       kristaps  524:                return(1);
                    525:
1.54      kristaps  526:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  527:        return(1);
                    528: }
                    529:
                    530: /* ARGSUSED */
                    531: static int
                    532: man_PP_pre(MAN_ARGS)
                    533: {
                    534:
1.47      kristaps  535:        if (MAN_HEAD == n->type)
                    536:                return(0);
1.74      kristaps  537:        else if (MAN_BLOCK == n->type)
                    538:                print_bvspace(h, n);
1.47      kristaps  539:
1.5       kristaps  540:        return(1);
                    541: }
                    542:
                    543: /* ARGSUSED */
                    544: static int
                    545: man_IP_pre(MAN_ARGS)
                    546: {
                    547:        const struct man_node   *nn;
                    548:
1.7       kristaps  549:        if (MAN_BODY == n->type) {
1.77      kristaps  550:                print_otag(h, TAG_DD, 0, NULL);
                    551:                return(1);
                    552:        } else if (MAN_HEAD != n->type) {
                    553:                print_otag(h, TAG_DL, 0, NULL);
1.6       kristaps  554:                return(1);
                    555:        }
                    556:
1.78      kristaps  557:        /* FIXME: width specification. */
                    558:
1.77      kristaps  559:        print_otag(h, TAG_DT, 0, NULL);
1.6       kristaps  560:
1.59      schwarze  561:        /* For IP, only print the first header element. */
1.7       kristaps  562:
1.59      schwarze  563:        if (MAN_IP == n->tok && n->child)
                    564:                print_man_node(m, n->child, mh, h);
1.27      kristaps  565:
1.59      schwarze  566:        /* For TP, only print next-line header elements. */
1.6       kristaps  567:
1.7       kristaps  568:        if (MAN_TP == n->tok)
1.59      schwarze  569:                for (nn = n->child; nn; nn = nn->next)
                    570:                        if (nn->line > n->line)
                    571:                                print_man_node(m, nn, mh, h);
1.6       kristaps  572:
                    573:        return(0);
                    574: }
                    575:
                    576: /* ARGSUSED */
                    577: static int
                    578: man_HP_pre(MAN_ARGS)
                    579: {
1.56      kristaps  580:        struct htmlpair  tag;
                    581:        struct roffsu    su;
                    582:        const struct man_node *np;
1.6       kristaps  583:
1.77      kristaps  584:        if (MAN_HEAD == n->type)
                    585:                return(0);
                    586:        else if (MAN_BLOCK != n->type)
                    587:                return(1);
1.72      kristaps  588:
1.77      kristaps  589:        np = n->head->child;
1.6       kristaps  590:
1.56      kristaps  591:        if (NULL == np || ! a2width(np, &su))
                    592:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  593:
1.77      kristaps  594:        bufinit(h);
1.5       kristaps  595:
1.77      kristaps  596:        print_bvspace(h, n);
                    597:        bufcat_su(h, "margin-left", &su);
1.56      kristaps  598:        su.scale = -su.scale;
1.7       kristaps  599:        bufcat_su(h, "text-indent", &su);
                    600:        PAIR_STYLE_INIT(&tag, h);
1.77      kristaps  601:        print_otag(h, TAG_P, 1, &tag);
1.4       kristaps  602:        return(1);
                    603: }
1.6       kristaps  604:
1.8       kristaps  605: /* ARGSUSED */
                    606: static int
                    607: man_B_pre(MAN_ARGS)
                    608: {
                    609:
1.57      kristaps  610:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  611:        return(1);
                    612: }
                    613:
                    614: /* 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: /* ARGSUSED */
                    624: static int
                    625: man_literal_pre(MAN_ARGS)
                    626: {
                    627:
1.78      kristaps  628:        if (MAN_nf != n->tok) {
1.45      kristaps  629:                print_otag(h, TAG_BR, 0, NULL);
1.78      kristaps  630:                mh->fl &= ~MANH_LITERAL;
                    631:        } else
1.45      kristaps  632:                mh->fl |= MANH_LITERAL;
                    633:
1.67      schwarze  634:        return(0);
1.45      kristaps  635: }
                    636:
                    637: /* ARGSUSED */
                    638: static int
                    639: man_in_pre(MAN_ARGS)
                    640: {
                    641:
                    642:        print_otag(h, TAG_BR, 0, NULL);
                    643:        return(0);
1.8       kristaps  644: }
                    645:
                    646: /* ARGSUSED */
                    647: static int
                    648: man_ign_pre(MAN_ARGS)
                    649: {
                    650:
                    651:        return(0);
                    652: }
1.9       kristaps  653:
                    654: /* ARGSUSED */
                    655: static int
                    656: man_RS_pre(MAN_ARGS)
                    657: {
                    658:        struct htmlpair  tag;
                    659:        struct roffsu    su;
                    660:
                    661:        if (MAN_HEAD == n->type)
                    662:                return(0);
                    663:        else if (MAN_BODY == n->type)
                    664:                return(1);
                    665:
                    666:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  667:        if (n->head->child)
1.9       kristaps  668:                a2width(n->head->child, &su);
                    669:
1.72      kristaps  670:        bufinit(h);
1.56      kristaps  671:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  672:        PAIR_STYLE_INIT(&tag, h);
                    673:        print_otag(h, TAG_DIV, 1, &tag);
                    674:        return(1);
                    675: }

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