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Annotation of mandoc/man_html.c, Revision 1.83

1.83    ! schwarze    1: /*     $Id: man_html.c,v 1.82 2011/10/05 21:35:17 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:
1.3       kristaps   40: #define        MAN_ARGS          const struct man_meta *m, \
                     41:                          const struct man_node *n, \
1.45      kristaps   42:                          struct mhtml *mh, \
1.3       kristaps   43:                          struct html *h
                     44:
1.45      kristaps   45: struct mhtml {
                     46:        int               fl;
                     47: #define        MANH_LITERAL     (1 << 0) /* literal context */
                     48: };
                     49:
1.3       kristaps   50: struct htmlman {
                     51:        int             (*pre)(MAN_ARGS);
                     52:        int             (*post)(MAN_ARGS);
                     53: };
                     54:
1.74      kristaps   55: static void              print_bvspace(struct html *,
                     56:                                const struct man_node *);
1.3       kristaps   57: static void              print_man(MAN_ARGS);
                     58: static void              print_man_head(MAN_ARGS);
1.4       kristaps   59: static void              print_man_nodelist(MAN_ARGS);
                     60: static void              print_man_node(MAN_ARGS);
1.3       kristaps   61:
1.7       kristaps   62: static int               a2width(const struct man_node *,
                     63:                                struct roffsu *);
1.5       kristaps   64:
1.8       kristaps   65: static int               man_alt_pre(MAN_ARGS);
1.4       kristaps   66: static int               man_br_pre(MAN_ARGS);
1.8       kristaps   67: static int               man_ign_pre(MAN_ARGS);
1.45      kristaps   68: static int               man_in_pre(MAN_ARGS);
                     69: static int               man_literal_pre(MAN_ARGS);
1.8       kristaps   70: static void              man_root_post(MAN_ARGS);
1.65      kristaps   71: static void              man_root_pre(MAN_ARGS);
1.8       kristaps   72: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   73: static int               man_HP_pre(MAN_ARGS);
1.8       kristaps   74: static int               man_I_pre(MAN_ARGS);
1.5       kristaps   75: static int               man_IP_pre(MAN_ARGS);
1.4       kristaps   76: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   77: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   78: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   79: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   80: static int               man_SS_pre(MAN_ARGS);
                     81:
1.3       kristaps   82: static const struct htmlman mans[MAN_MAX] = {
1.4       kristaps   83:        { man_br_pre, NULL }, /* br */
1.3       kristaps   84:        { NULL, NULL }, /* TH */
1.4       kristaps   85:        { man_SH_pre, NULL }, /* SH */
                     86:        { man_SS_pre, NULL }, /* SS */
1.6       kristaps   87:        { man_IP_pre, NULL }, /* TP */
1.4       kristaps   88:        { man_PP_pre, NULL }, /* LP */
                     89:        { man_PP_pre, NULL }, /* PP */
                     90:        { man_PP_pre, NULL }, /* P */
1.5       kristaps   91:        { man_IP_pre, NULL }, /* IP */
1.6       kristaps   92:        { man_HP_pre, NULL }, /* HP */
1.8       kristaps   93:        { man_SM_pre, NULL }, /* SM */
1.56      kristaps   94:        { man_SM_pre, NULL }, /* SB */
1.8       kristaps   95:        { man_alt_pre, NULL }, /* BI */
                     96:        { man_alt_pre, NULL }, /* IB */
                     97:        { man_alt_pre, NULL }, /* BR */
                     98:        { man_alt_pre, NULL }, /* RB */
1.3       kristaps   99:        { NULL, NULL }, /* R */
1.8       kristaps  100:        { man_B_pre, NULL }, /* B */
                    101:        { man_I_pre, NULL }, /* I */
                    102:        { man_alt_pre, NULL }, /* IR */
                    103:        { man_alt_pre, NULL }, /* RI */
1.67      schwarze  104:        { man_ign_pre, NULL }, /* na */
1.4       kristaps  105:        { man_br_pre, NULL }, /* sp */
1.45      kristaps  106:        { man_literal_pre, NULL }, /* nf */
                    107:        { man_literal_pre, NULL }, /* fi */
1.3       kristaps  108:        { NULL, NULL }, /* RE */
1.9       kristaps  109:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps  110:        { man_ign_pre, NULL }, /* DT */
                    111:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  112:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     113:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  114:        { man_in_pre, NULL }, /* in */
1.51      kristaps  115:        { man_ign_pre, NULL }, /* ft */
1.3       kristaps  116: };
                    117:
1.74      kristaps  118: /*
                    119:  * Printing leading vertical space before a block.
                    120:  * This is used for the paragraph macros.
                    121:  * The rules are pretty simple, since there's very little nesting going
                    122:  * on here.  Basically, if we're the first within another block (SS/SH),
                    123:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    124:  * first, print it.
                    125:  */
                    126: static void
                    127: print_bvspace(struct html *h, const struct man_node *n)
                    128: {
                    129:
                    130:        if (n->body && n->body->child)
                    131:                if (MAN_TBL == n->body->child->type)
                    132:                        return;
                    133:
                    134:        if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok)
                    135:                if (NULL == n->prev)
                    136:                        return;
                    137:
                    138:        print_otag(h, TAG_P, 0, NULL);
                    139: }
1.1       kristaps  140:
                    141: void
                    142: html_man(void *arg, const struct man *m)
                    143: {
1.45      kristaps  144:        struct mhtml     mh;
1.3       kristaps  145:
1.45      kristaps  146:        memset(&mh, 0, sizeof(struct mhtml));
1.82      kristaps  147:        print_man(man_meta(m), man_node(m), &mh, (struct html *)arg);
                    148:        putchar('\n');
1.3       kristaps  149: }
                    150:
                    151: static void
                    152: print_man(MAN_ARGS)
                    153: {
1.82      kristaps  154:        struct tag      *t, *tt;
                    155:        struct htmlpair  tag;
                    156:
                    157:        PAIR_CLASS_INIT(&tag, "mandoc");
1.3       kristaps  158:
1.82      kristaps  159:        if ( ! (HTML_FRAGMENT & h->oflags)) {
                    160:                print_gen_decls(h);
                    161:                t = print_otag(h, TAG_HTML, 0, NULL);
                    162:                tt = print_otag(h, TAG_HEAD, 0, NULL);
                    163:                print_man_head(m, n, mh, h);
                    164:                print_tagq(h, tt);
                    165:                print_otag(h, TAG_BODY, 0, NULL);
                    166:                print_otag(h, TAG_DIV, 1, &tag);
                    167:        } else
                    168:                t = print_otag(h, TAG_DIV, 1, &tag);
1.53      kristaps  169:
1.45      kristaps  170:        print_man_nodelist(m, n, mh, h);
1.3       kristaps  171:        print_tagq(h, t);
                    172: }
                    173:
                    174:
                    175: /* ARGSUSED */
                    176: static void
                    177: print_man_head(MAN_ARGS)
                    178: {
                    179:
                    180:        print_gen_head(h);
1.71      kristaps  181:        bufcat_fmt(h, "%s(%s)", m->title, m->msec);
1.3       kristaps  182:        print_otag(h, TAG_TITLE, 0, NULL);
                    183:        print_text(h, h->buf);
1.1       kristaps  184: }
1.4       kristaps  185:
                    186:
                    187: static void
                    188: print_man_nodelist(MAN_ARGS)
                    189: {
                    190:
1.45      kristaps  191:        print_man_node(m, n, mh, h);
1.4       kristaps  192:        if (n->next)
1.45      kristaps  193:                print_man_nodelist(m, n->next, mh, h);
1.4       kristaps  194: }
                    195:
                    196:
                    197: static void
                    198: print_man_node(MAN_ARGS)
                    199: {
                    200:        int              child;
                    201:        struct tag      *t;
                    202:
                    203:        child = 1;
1.14      kristaps  204:        t = h->tags.head;
1.4       kristaps  205:
                    206:        switch (n->type) {
                    207:        case (MAN_ROOT):
1.65      kristaps  208:                man_root_pre(m, n, mh, h);
1.4       kristaps  209:                break;
                    210:        case (MAN_TEXT):
1.65      kristaps  211:                /*
                    212:                 * If we have a blank line, output a vertical space.
                    213:                 * If we have a space as the first character, break
                    214:                 * before printing the line's data.
                    215:                 */
1.63      kristaps  216:                if ('\0' == *n->string) {
                    217:                        print_otag(h, TAG_P, 0, NULL);
                    218:                        return;
1.78      kristaps  219:                }
                    220:
                    221:                if (' ' == *n->string && MAN_LINE & n->flags)
                    222:                        print_otag(h, TAG_BR, 0, NULL);
                    223:                else if (MANH_LITERAL & mh->fl && n->prev)
1.63      kristaps  224:                        print_otag(h, TAG_BR, 0, NULL);
                    225:
1.4       kristaps  226:                print_text(h, n->string);
1.68      kristaps  227:                return;
                    228:        case (MAN_EQN):
1.80      kristaps  229:                print_eqn(h, n->eqn);
1.69      kristaps  230:                break;
1.58      kristaps  231:        case (MAN_TBL):
1.66      kristaps  232:                /*
                    233:                 * This will take care of initialising all of the table
                    234:                 * state data for the first table, then tearing it down
                    235:                 * for the last one.
                    236:                 */
1.60      kristaps  237:                print_tbl(h, n->span);
1.64      kristaps  238:                return;
1.4       kristaps  239:        default:
1.21      kristaps  240:                /*
                    241:                 * Close out scope of font prior to opening a macro
1.66      kristaps  242:                 * scope.
1.21      kristaps  243:                 */
1.57      kristaps  244:                if (HTMLFONT_NONE != h->metac) {
                    245:                        h->metal = h->metac;
                    246:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  247:                }
                    248:
                    249:                /*
                    250:                 * Close out the current table, if it's open, and unset
                    251:                 * the "meta" table state.  This will be reopened on the
                    252:                 * next table element.
                    253:                 */
                    254:                if (h->tblt) {
                    255:                        print_tblclose(h);
                    256:                        t = h->tags.head;
1.20      kristaps  257:                }
1.4       kristaps  258:                if (mans[n->tok].pre)
1.45      kristaps  259:                        child = (*mans[n->tok].pre)(m, n, mh, h);
1.4       kristaps  260:                break;
                    261:        }
                    262:
1.21      kristaps  263:        if (child && n->child)
1.45      kristaps  264:                print_man_nodelist(m, n->child, mh, h);
1.21      kristaps  265:
1.24      kristaps  266:        /* This will automatically close out any font scope. */
1.4       kristaps  267:        print_stagq(h, t);
                    268:
1.61      kristaps  269:        switch (n->type) {
                    270:        case (MAN_ROOT):
1.45      kristaps  271:                man_root_post(m, n, mh, h);
1.69      kristaps  272:                break;
                    273:        case (MAN_EQN):
1.61      kristaps  274:                break;
                    275:        default:
                    276:                if (mans[n->tok].post)
                    277:                        (*mans[n->tok].post)(m, n, mh, h);
                    278:                break;
                    279:        }
1.4       kristaps  280: }
                    281:
                    282:
1.5       kristaps  283: static int
1.7       kristaps  284: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  285: {
                    286:
1.6       kristaps  287:        if (MAN_TEXT != n->type)
1.7       kristaps  288:                return(0);
1.11      kristaps  289:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  290:                return(1);
1.5       kristaps  291:
1.7       kristaps  292:        return(0);
1.5       kristaps  293: }
                    294:
                    295:
1.40      kristaps  296: /* ARGSUSED */
1.65      kristaps  297: static void
1.4       kristaps  298: man_root_pre(MAN_ARGS)
                    299: {
1.56      kristaps  300:        struct htmlpair  tag[3];
1.4       kristaps  301:        struct tag      *t, *tt;
                    302:        char             b[BUFSIZ], title[BUFSIZ];
                    303:
                    304:        b[0] = 0;
                    305:        if (m->vol)
                    306:                (void)strlcat(b, m->vol, BUFSIZ);
                    307:
1.31      kristaps  308:        snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
1.4       kristaps  309:
1.56      kristaps  310:        PAIR_SUMMARY_INIT(&tag[0], "Document Header");
                    311:        PAIR_CLASS_INIT(&tag[1], "head");
1.83    ! schwarze  312:        PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
        !           313:        t = print_otag(h, TAG_TABLE, 3, tag);
        !           314:        PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
        !           315:        print_otag(h, TAG_COL, 1, tag);
        !           316:        print_otag(h, TAG_COL, 1, tag);
        !           317:        print_otag(h, TAG_COL, 1, tag);
1.56      kristaps  318:
                    319:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  320:
1.4       kristaps  321:        tt = print_otag(h, TAG_TR, 0, NULL);
                    322:
1.55      kristaps  323:        PAIR_CLASS_INIT(&tag[0], "head-ltitle");
1.4       kristaps  324:        print_otag(h, TAG_TD, 1, tag);
                    325:        print_text(h, title);
                    326:        print_stagq(h, tt);
                    327:
1.55      kristaps  328:        PAIR_CLASS_INIT(&tag[0], "head-vol");
1.83    ! schwarze  329:        PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
        !           330:        print_otag(h, TAG_TD, 2, tag);
1.4       kristaps  331:        print_text(h, b);
                    332:        print_stagq(h, tt);
                    333:
1.55      kristaps  334:        PAIR_CLASS_INIT(&tag[0], "head-rtitle");
1.83    ! schwarze  335:        PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
        !           336:        print_otag(h, TAG_TD, 2, tag);
1.4       kristaps  337:        print_text(h, title);
                    338:        print_tagq(h, t);
                    339: }
                    340:
                    341:
                    342: /* ARGSUSED */
                    343: static void
                    344: man_root_post(MAN_ARGS)
                    345: {
1.56      kristaps  346:        struct htmlpair  tag[3];
1.4       kristaps  347:        struct tag      *t, *tt;
                    348:
1.56      kristaps  349:        PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
                    350:        PAIR_CLASS_INIT(&tag[1], "foot");
1.83    ! schwarze  351:        PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
        !           352:        t = print_otag(h, TAG_TABLE, 3, tag);
        !           353:        PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
        !           354:        print_otag(h, TAG_COL, 1, tag);
        !           355:        print_otag(h, TAG_COL, 1, tag);
1.15      kristaps  356:
1.4       kristaps  357:        tt = print_otag(h, TAG_TR, 0, NULL);
                    358:
1.55      kristaps  359:        PAIR_CLASS_INIT(&tag[0], "foot-date");
1.4       kristaps  360:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  361:
1.70      schwarze  362:        print_text(h, m->date);
1.4       kristaps  363:        print_stagq(h, tt);
                    364:
1.55      kristaps  365:        PAIR_CLASS_INIT(&tag[0], "foot-os");
1.83    ! schwarze  366:        PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
        !           367:        print_otag(h, TAG_TD, 2, tag);
1.55      kristaps  368:
1.4       kristaps  369:        if (m->source)
                    370:                print_text(h, m->source);
                    371:        print_tagq(h, t);
                    372: }
                    373:
                    374:
                    375: /* ARGSUSED */
                    376: static int
                    377: man_br_pre(MAN_ARGS)
                    378: {
1.7       kristaps  379:        struct roffsu    su;
                    380:        struct htmlpair  tag;
1.4       kristaps  381:
1.7       kristaps  382:        SCALE_VS_INIT(&su, 1);
                    383:
1.49      kristaps  384:        if (MAN_sp == n->tok) {
1.75      kristaps  385:                if (NULL != (n = n->child))
                    386:                        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    387:                                SCALE_VS_INIT(&su, atoi(n->string));
1.49      kristaps  388:        } else
1.7       kristaps  389:                su.scale = 0;
1.4       kristaps  390:
1.72      kristaps  391:        bufinit(h);
1.7       kristaps  392:        bufcat_su(h, "height", &su);
                    393:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  394:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  395:
1.16      kristaps  396:        /* So the div isn't empty: */
                    397:        print_text(h, "\\~");
                    398:
1.7       kristaps  399:        return(0);
1.4       kristaps  400: }
                    401:
                    402: /* ARGSUSED */
                    403: static int
                    404: man_SH_pre(MAN_ARGS)
                    405: {
1.54      kristaps  406:        struct htmlpair  tag;
1.4       kristaps  407:
1.54      kristaps  408:        if (MAN_BLOCK == n->type) {
1.76      kristaps  409:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  410:                PAIR_CLASS_INIT(&tag, "section");
                    411:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  412:                return(1);
1.54      kristaps  413:        } else if (MAN_BODY == n->type)
1.4       kristaps  414:                return(1);
                    415:
1.54      kristaps  416:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  417:        return(1);
                    418: }
                    419:
                    420: /* ARGSUSED */
                    421: static int
1.8       kristaps  422: man_alt_pre(MAN_ARGS)
                    423: {
                    424:        const struct man_node   *nn;
1.78      kristaps  425:        int              i, savelit;
1.57      kristaps  426:        enum htmltag     fp;
                    427:        struct tag      *t;
1.8       kristaps  428:
1.78      kristaps  429:        if ((savelit = mh->fl & MANH_LITERAL))
                    430:                print_otag(h, TAG_BR, 0, NULL);
                    431:
                    432:        mh->fl &= ~MANH_LITERAL;
                    433:
1.8       kristaps  434:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  435:                t = NULL;
1.8       kristaps  436:                switch (n->tok) {
                    437:                case (MAN_BI):
1.57      kristaps  438:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  439:                        break;
                    440:                case (MAN_IB):
1.57      kristaps  441:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  442:                        break;
                    443:                case (MAN_RI):
1.57      kristaps  444:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  445:                        break;
                    446:                case (MAN_IR):
1.57      kristaps  447:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  448:                        break;
                    449:                case (MAN_BR):
1.57      kristaps  450:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  451:                        break;
                    452:                case (MAN_RB):
1.57      kristaps  453:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  454:                        break;
                    455:                default:
                    456:                        abort();
                    457:                        /* NOTREACHED */
                    458:                }
                    459:
                    460:                if (i)
                    461:                        h->flags |= HTML_NOSPACE;
                    462:
1.57      kristaps  463:                if (TAG_MAX != fp)
                    464:                        t = print_otag(h, fp, 0, NULL);
                    465:
1.45      kristaps  466:                print_man_node(m, nn, mh, h);
1.57      kristaps  467:
                    468:                if (t)
                    469:                        print_tagq(h, t);
1.8       kristaps  470:        }
                    471:
1.78      kristaps  472:        if (savelit)
                    473:                mh->fl |= MANH_LITERAL;
                    474:
1.8       kristaps  475:        return(0);
                    476: }
                    477:
                    478: /* ARGSUSED */
                    479: static int
1.56      kristaps  480: man_SM_pre(MAN_ARGS)
1.8       kristaps  481: {
                    482:
1.57      kristaps  483:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  484:        if (MAN_SB == n->tok)
1.57      kristaps  485:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  486:        return(1);
                    487: }
                    488:
                    489: /* ARGSUSED */
                    490: static int
1.4       kristaps  491: man_SS_pre(MAN_ARGS)
                    492: {
1.54      kristaps  493:        struct htmlpair  tag;
1.4       kristaps  494:
1.54      kristaps  495:        if (MAN_BLOCK == n->type) {
1.76      kristaps  496:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  497:                PAIR_CLASS_INIT(&tag, "subsection");
                    498:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  499:                return(1);
1.54      kristaps  500:        } else if (MAN_BODY == n->type)
1.4       kristaps  501:                return(1);
                    502:
1.54      kristaps  503:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  504:        return(1);
                    505: }
                    506:
                    507: /* ARGSUSED */
                    508: static int
                    509: man_PP_pre(MAN_ARGS)
                    510: {
                    511:
1.47      kristaps  512:        if (MAN_HEAD == n->type)
                    513:                return(0);
1.74      kristaps  514:        else if (MAN_BLOCK == n->type)
                    515:                print_bvspace(h, n);
1.47      kristaps  516:
1.5       kristaps  517:        return(1);
                    518: }
                    519:
                    520: /* ARGSUSED */
                    521: static int
                    522: man_IP_pre(MAN_ARGS)
                    523: {
                    524:        const struct man_node   *nn;
                    525:
1.7       kristaps  526:        if (MAN_BODY == n->type) {
1.77      kristaps  527:                print_otag(h, TAG_DD, 0, NULL);
                    528:                return(1);
                    529:        } else if (MAN_HEAD != n->type) {
                    530:                print_otag(h, TAG_DL, 0, NULL);
1.6       kristaps  531:                return(1);
                    532:        }
                    533:
1.78      kristaps  534:        /* FIXME: width specification. */
                    535:
1.77      kristaps  536:        print_otag(h, TAG_DT, 0, NULL);
1.6       kristaps  537:
1.59      schwarze  538:        /* For IP, only print the first header element. */
1.7       kristaps  539:
1.59      schwarze  540:        if (MAN_IP == n->tok && n->child)
                    541:                print_man_node(m, n->child, mh, h);
1.27      kristaps  542:
1.59      schwarze  543:        /* For TP, only print next-line header elements. */
1.6       kristaps  544:
1.7       kristaps  545:        if (MAN_TP == n->tok)
1.59      schwarze  546:                for (nn = n->child; nn; nn = nn->next)
                    547:                        if (nn->line > n->line)
                    548:                                print_man_node(m, nn, mh, h);
1.6       kristaps  549:
                    550:        return(0);
                    551: }
                    552:
                    553: /* ARGSUSED */
                    554: static int
                    555: man_HP_pre(MAN_ARGS)
                    556: {
1.56      kristaps  557:        struct htmlpair  tag;
                    558:        struct roffsu    su;
                    559:        const struct man_node *np;
1.6       kristaps  560:
1.77      kristaps  561:        if (MAN_HEAD == n->type)
                    562:                return(0);
                    563:        else if (MAN_BLOCK != n->type)
                    564:                return(1);
1.72      kristaps  565:
1.77      kristaps  566:        np = n->head->child;
1.6       kristaps  567:
1.56      kristaps  568:        if (NULL == np || ! a2width(np, &su))
                    569:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  570:
1.77      kristaps  571:        bufinit(h);
1.5       kristaps  572:
1.77      kristaps  573:        print_bvspace(h, n);
                    574:        bufcat_su(h, "margin-left", &su);
1.56      kristaps  575:        su.scale = -su.scale;
1.7       kristaps  576:        bufcat_su(h, "text-indent", &su);
                    577:        PAIR_STYLE_INIT(&tag, h);
1.77      kristaps  578:        print_otag(h, TAG_P, 1, &tag);
1.4       kristaps  579:        return(1);
                    580: }
1.6       kristaps  581:
1.8       kristaps  582: /* ARGSUSED */
                    583: static int
                    584: man_B_pre(MAN_ARGS)
                    585: {
                    586:
1.57      kristaps  587:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  588:        return(1);
                    589: }
                    590:
                    591: /* ARGSUSED */
                    592: static int
                    593: man_I_pre(MAN_ARGS)
                    594: {
1.23      kristaps  595:
1.57      kristaps  596:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  597:        return(1);
1.45      kristaps  598: }
                    599:
                    600: /* ARGSUSED */
                    601: static int
                    602: man_literal_pre(MAN_ARGS)
                    603: {
                    604:
1.78      kristaps  605:        if (MAN_nf != n->tok) {
1.45      kristaps  606:                print_otag(h, TAG_BR, 0, NULL);
1.78      kristaps  607:                mh->fl &= ~MANH_LITERAL;
                    608:        } else
1.45      kristaps  609:                mh->fl |= MANH_LITERAL;
                    610:
1.67      schwarze  611:        return(0);
1.45      kristaps  612: }
                    613:
                    614: /* ARGSUSED */
                    615: static int
                    616: man_in_pre(MAN_ARGS)
                    617: {
                    618:
                    619:        print_otag(h, TAG_BR, 0, NULL);
                    620:        return(0);
1.8       kristaps  621: }
                    622:
                    623: /* ARGSUSED */
                    624: static int
                    625: man_ign_pre(MAN_ARGS)
                    626: {
                    627:
                    628:        return(0);
                    629: }
1.9       kristaps  630:
                    631: /* ARGSUSED */
                    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);
                    652: }

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