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Annotation of mandoc/man_html.c, Revision 1.67

1.67    ! schwarze    1: /*     $Id: man_html.c,v 1.66 2011/01/13 14:30:13 kristaps Exp $ */
1.1       kristaps    2: /*
1.42      schwarze    3:  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
                      8:  *
                      9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     16:  */
1.25      kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
1.5       kristaps   23: #include <assert.h>
                     24: #include <ctype.h>
1.2       kristaps   25: #include <stdio.h>
1.1       kristaps   26: #include <stdlib.h>
1.4       kristaps   27: #include <string.h>
1.1       kristaps   28:
1.35      kristaps   29: #include "mandoc.h"
1.7       kristaps   30: #include "out.h"
1.1       kristaps   31: #include "html.h"
                     32: #include "man.h"
1.10      kristaps   33: #include "main.h"
1.1       kristaps   34:
1.6       kristaps   35: /* TODO: preserve ident widths. */
1.13      kristaps   36: /* FIXME: have PD set the default vspace width. */
1.6       kristaps   37:
                     38: #define        INDENT            5
1.4       kristaps   39: #define        HALFINDENT        3
                     40:
1.3       kristaps   41: #define        MAN_ARGS          const struct man_meta *m, \
                     42:                          const struct man_node *n, \
1.45      kristaps   43:                          struct mhtml *mh, \
1.3       kristaps   44:                          struct html *h
                     45:
1.45      kristaps   46: struct mhtml {
                     47:        int               fl;
                     48: #define        MANH_LITERAL     (1 << 0) /* literal context */
                     49: };
                     50:
1.3       kristaps   51: struct htmlman {
                     52:        int             (*pre)(MAN_ARGS);
                     53:        int             (*post)(MAN_ARGS);
                     54: };
                     55:
                     56: static void              print_man(MAN_ARGS);
                     57: static void              print_man_head(MAN_ARGS);
1.4       kristaps   58: static void              print_man_nodelist(MAN_ARGS);
                     59: static void              print_man_node(MAN_ARGS);
1.3       kristaps   60:
1.7       kristaps   61: static int               a2width(const struct man_node *,
                     62:                                struct roffsu *);
1.5       kristaps   63:
1.8       kristaps   64: static int               man_alt_pre(MAN_ARGS);
1.4       kristaps   65: static int               man_br_pre(MAN_ARGS);
1.8       kristaps   66: static int               man_ign_pre(MAN_ARGS);
1.45      kristaps   67: static int               man_in_pre(MAN_ARGS);
                     68: static int               man_literal_pre(MAN_ARGS);
1.8       kristaps   69: static void              man_root_post(MAN_ARGS);
1.65      kristaps   70: static void              man_root_pre(MAN_ARGS);
1.8       kristaps   71: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   72: static int               man_HP_pre(MAN_ARGS);
1.8       kristaps   73: static int               man_I_pre(MAN_ARGS);
1.5       kristaps   74: static int               man_IP_pre(MAN_ARGS);
1.4       kristaps   75: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   76: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   77: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   78: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   79: static int               man_SS_pre(MAN_ARGS);
                     80:
1.3       kristaps   81: static const struct htmlman mans[MAN_MAX] = {
1.4       kristaps   82:        { man_br_pre, NULL }, /* br */
1.3       kristaps   83:        { NULL, NULL }, /* TH */
1.4       kristaps   84:        { man_SH_pre, NULL }, /* SH */
                     85:        { man_SS_pre, NULL }, /* SS */
1.6       kristaps   86:        { man_IP_pre, NULL }, /* TP */
1.4       kristaps   87:        { man_PP_pre, NULL }, /* LP */
                     88:        { man_PP_pre, NULL }, /* PP */
                     89:        { man_PP_pre, NULL }, /* P */
1.5       kristaps   90:        { man_IP_pre, NULL }, /* IP */
1.6       kristaps   91:        { man_HP_pre, NULL }, /* HP */
1.8       kristaps   92:        { man_SM_pre, NULL }, /* SM */
1.56      kristaps   93:        { man_SM_pre, NULL }, /* SB */
1.8       kristaps   94:        { man_alt_pre, NULL }, /* BI */
                     95:        { man_alt_pre, NULL }, /* IB */
                     96:        { man_alt_pre, NULL }, /* BR */
                     97:        { man_alt_pre, NULL }, /* RB */
1.3       kristaps   98:        { NULL, NULL }, /* R */
1.8       kristaps   99:        { man_B_pre, NULL }, /* B */
                    100:        { man_I_pre, NULL }, /* I */
                    101:        { man_alt_pre, NULL }, /* IR */
                    102:        { man_alt_pre, NULL }, /* RI */
1.67    ! schwarze  103:        { man_ign_pre, NULL }, /* na */
1.4       kristaps  104:        { man_br_pre, NULL }, /* sp */
1.45      kristaps  105:        { man_literal_pre, NULL }, /* nf */
                    106:        { man_literal_pre, NULL }, /* fi */
1.3       kristaps  107:        { NULL, NULL }, /* RE */
1.9       kristaps  108:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps  109:        { man_ign_pre, NULL }, /* DT */
                    110:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  111:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     112:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  113:        { man_in_pre, NULL }, /* in */
1.51      kristaps  114:        { man_ign_pre, NULL }, /* ft */
1.3       kristaps  115: };
                    116:
1.1       kristaps  117:
                    118: void
                    119: html_man(void *arg, const struct man *m)
                    120: {
1.3       kristaps  121:        struct html     *h;
                    122:        struct tag      *t;
1.45      kristaps  123:        struct mhtml     mh;
1.3       kristaps  124:
                    125:        h = (struct html *)arg;
                    126:
1.26      kristaps  127:        print_gen_decls(h);
1.3       kristaps  128:
1.45      kristaps  129:        memset(&mh, 0, sizeof(struct mhtml));
                    130:
1.3       kristaps  131:        t = print_otag(h, TAG_HTML, 0, NULL);
1.45      kristaps  132:        print_man(man_meta(m), man_node(m), &mh, h);
1.3       kristaps  133:        print_tagq(h, t);
                    134:
                    135:        printf("\n");
                    136: }
                    137:
                    138:
                    139: static void
                    140: print_man(MAN_ARGS)
                    141: {
                    142:        struct tag      *t;
                    143:
                    144:        t = print_otag(h, TAG_HEAD, 0, NULL);
1.45      kristaps  145:        print_man_head(m, n, mh, h);
1.3       kristaps  146:        print_tagq(h, t);
1.53      kristaps  147:
1.3       kristaps  148:        t = print_otag(h, TAG_BODY, 0, NULL);
1.45      kristaps  149:        print_man_nodelist(m, n, mh, h);
1.3       kristaps  150:        print_tagq(h, t);
                    151: }
                    152:
                    153:
                    154: /* ARGSUSED */
                    155: static void
                    156: print_man_head(MAN_ARGS)
                    157: {
                    158:
                    159:        print_gen_head(h);
                    160:        bufinit(h);
1.31      kristaps  161:        buffmt(h, "%s(%s)", m->title, m->msec);
1.3       kristaps  162:
                    163:        print_otag(h, TAG_TITLE, 0, NULL);
                    164:        print_text(h, h->buf);
1.1       kristaps  165: }
1.4       kristaps  166:
                    167:
                    168: static void
                    169: print_man_nodelist(MAN_ARGS)
                    170: {
                    171:
1.45      kristaps  172:        print_man_node(m, n, mh, h);
1.4       kristaps  173:        if (n->next)
1.45      kristaps  174:                print_man_nodelist(m, n->next, mh, h);
1.4       kristaps  175: }
                    176:
                    177:
                    178: static void
                    179: print_man_node(MAN_ARGS)
                    180: {
                    181:        int              child;
                    182:        struct tag      *t;
                    183:
                    184:        child = 1;
1.14      kristaps  185:        t = h->tags.head;
1.4       kristaps  186:        bufinit(h);
                    187:
                    188:        switch (n->type) {
                    189:        case (MAN_ROOT):
1.65      kristaps  190:                man_root_pre(m, n, mh, h);
1.4       kristaps  191:                break;
                    192:        case (MAN_TEXT):
1.65      kristaps  193:                /*
                    194:                 * If we have a blank line, output a vertical space.
                    195:                 * If we have a space as the first character, break
                    196:                 * before printing the line's data.
                    197:                 */
1.63      kristaps  198:                if ('\0' == *n->string) {
                    199:                        print_otag(h, TAG_P, 0, NULL);
                    200:                        return;
1.64      kristaps  201:                } else if (' ' == *n->string && MAN_LINE & n->flags)
1.63      kristaps  202:                        print_otag(h, TAG_BR, 0, NULL);
                    203:
1.4       kristaps  204:                print_text(h, n->string);
1.63      kristaps  205:
1.65      kristaps  206:                /*
                    207:                 * If we're in a literal context, make sure that words
                    208:                 * togehter on the same line stay together.  This is a
                    209:                 * POST-printing call, so we check the NEXT word.  Since
                    210:                 * -man doesn't have nested macros, we don't need to be
                    211:                 * more specific than this.
                    212:                 */
1.64      kristaps  213:                if (MANH_LITERAL & mh->fl &&
                    214:                                (NULL == n->next ||
                    215:                                 n->next->line > n->line))
1.45      kristaps  216:                        print_otag(h, TAG_BR, 0, NULL);
1.58      kristaps  217:                return;
                    218:        case (MAN_TBL):
1.66      kristaps  219:                /*
                    220:                 * This will take care of initialising all of the table
                    221:                 * state data for the first table, then tearing it down
                    222:                 * for the last one.
                    223:                 */
1.60      kristaps  224:                print_tbl(h, n->span);
1.64      kristaps  225:                return;
1.4       kristaps  226:        default:
1.21      kristaps  227:                /*
                    228:                 * Close out scope of font prior to opening a macro
1.66      kristaps  229:                 * scope.
1.21      kristaps  230:                 */
1.57      kristaps  231:                if (HTMLFONT_NONE != h->metac) {
                    232:                        h->metal = h->metac;
                    233:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  234:                }
                    235:
                    236:                /*
                    237:                 * Close out the current table, if it's open, and unset
                    238:                 * the "meta" table state.  This will be reopened on the
                    239:                 * next table element.
                    240:                 */
                    241:                if (h->tblt) {
                    242:                        print_tblclose(h);
                    243:                        t = h->tags.head;
1.20      kristaps  244:                }
1.4       kristaps  245:                if (mans[n->tok].pre)
1.45      kristaps  246:                        child = (*mans[n->tok].pre)(m, n, mh, h);
1.4       kristaps  247:                break;
                    248:        }
                    249:
1.21      kristaps  250:        if (child && n->child)
1.45      kristaps  251:                print_man_nodelist(m, n->child, mh, h);
1.21      kristaps  252:
1.24      kristaps  253:        /* This will automatically close out any font scope. */
1.4       kristaps  254:        print_stagq(h, t);
                    255:
                    256:        bufinit(h);
                    257:
1.61      kristaps  258:        switch (n->type) {
                    259:        case (MAN_ROOT):
1.45      kristaps  260:                man_root_post(m, n, mh, h);
1.61      kristaps  261:                break;
                    262:        default:
                    263:                if (mans[n->tok].post)
                    264:                        (*mans[n->tok].post)(m, n, mh, h);
                    265:                break;
                    266:        }
1.4       kristaps  267: }
                    268:
                    269:
1.5       kristaps  270: static int
1.7       kristaps  271: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  272: {
                    273:
1.6       kristaps  274:        if (MAN_TEXT != n->type)
1.7       kristaps  275:                return(0);
1.11      kristaps  276:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  277:                return(1);
1.5       kristaps  278:
1.7       kristaps  279:        return(0);
1.5       kristaps  280: }
                    281:
                    282:
1.40      kristaps  283: /* ARGSUSED */
1.65      kristaps  284: static void
1.4       kristaps  285: man_root_pre(MAN_ARGS)
                    286: {
1.56      kristaps  287:        struct htmlpair  tag[3];
1.4       kristaps  288:        struct tag      *t, *tt;
                    289:        char             b[BUFSIZ], title[BUFSIZ];
                    290:
                    291:        b[0] = 0;
                    292:        if (m->vol)
                    293:                (void)strlcat(b, m->vol, BUFSIZ);
                    294:
1.31      kristaps  295:        snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
1.4       kristaps  296:
1.56      kristaps  297:        PAIR_SUMMARY_INIT(&tag[0], "Document Header");
                    298:        PAIR_CLASS_INIT(&tag[1], "head");
                    299:        if (NULL == h->style) {
                    300:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    301:                t = print_otag(h, TAG_TABLE, 3, tag);
                    302:                PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
                    303:                print_otag(h, TAG_COL, 1, tag);
                    304:                print_otag(h, TAG_COL, 1, tag);
                    305:                print_otag(h, TAG_COL, 1, tag);
                    306:        } else
                    307:                t = print_otag(h, TAG_TABLE, 2, tag);
                    308:
                    309:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  310:
1.4       kristaps  311:        tt = print_otag(h, TAG_TR, 0, NULL);
                    312:
1.55      kristaps  313:        PAIR_CLASS_INIT(&tag[0], "head-ltitle");
1.4       kristaps  314:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  315:
1.4       kristaps  316:        print_text(h, title);
                    317:        print_stagq(h, tt);
                    318:
1.55      kristaps  319:        PAIR_CLASS_INIT(&tag[0], "head-vol");
1.56      kristaps  320:        if (NULL == h->style) {
                    321:                PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
                    322:                print_otag(h, TAG_TD, 2, tag);
                    323:        } else
                    324:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  325:
1.4       kristaps  326:        print_text(h, b);
                    327:        print_stagq(h, tt);
                    328:
1.55      kristaps  329:        PAIR_CLASS_INIT(&tag[0], "head-rtitle");
1.56      kristaps  330:        if (NULL == h->style) {
                    331:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    332:                print_otag(h, TAG_TD, 2, tag);
                    333:        } else
                    334:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  335:
1.4       kristaps  336:        print_text(h, title);
                    337:        print_tagq(h, t);
                    338: }
                    339:
                    340:
                    341: /* ARGSUSED */
                    342: static void
                    343: man_root_post(MAN_ARGS)
                    344: {
1.56      kristaps  345:        struct htmlpair  tag[3];
1.4       kristaps  346:        struct tag      *t, *tt;
1.12      kristaps  347:        char             b[DATESIZ];
1.4       kristaps  348:
1.36      kristaps  349:        if (m->rawdate)
                    350:                strlcpy(b, m->rawdate, DATESIZ);
                    351:        else
                    352:                time2a(m->date, b, DATESIZ);
1.4       kristaps  353:
1.56      kristaps  354:        PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
                    355:        PAIR_CLASS_INIT(&tag[1], "foot");
                    356:        if (NULL == h->style) {
                    357:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    358:                t = print_otag(h, TAG_TABLE, 3, tag);
                    359:                PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
                    360:                print_otag(h, TAG_COL, 1, tag);
                    361:                print_otag(h, TAG_COL, 1, tag);
                    362:        } else
                    363:                t = print_otag(h, TAG_TABLE, 2, tag);
1.15      kristaps  364:
1.4       kristaps  365:        tt = print_otag(h, TAG_TR, 0, NULL);
                    366:
1.55      kristaps  367:        PAIR_CLASS_INIT(&tag[0], "foot-date");
1.4       kristaps  368:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  369:
1.4       kristaps  370:        print_text(h, b);
                    371:        print_stagq(h, tt);
                    372:
1.55      kristaps  373:        PAIR_CLASS_INIT(&tag[0], "foot-os");
1.56      kristaps  374:        if (NULL == h->style) {
                    375:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    376:                print_otag(h, TAG_TD, 2, tag);
                    377:        } else
                    378:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  379:
1.4       kristaps  380:        if (m->source)
                    381:                print_text(h, m->source);
                    382:        print_tagq(h, t);
                    383: }
                    384:
                    385:
                    386:
                    387: /* ARGSUSED */
                    388: static int
                    389: man_br_pre(MAN_ARGS)
                    390: {
1.7       kristaps  391:        struct roffsu    su;
                    392:        struct htmlpair  tag;
1.4       kristaps  393:
1.7       kristaps  394:        SCALE_VS_INIT(&su, 1);
                    395:
1.49      kristaps  396:        if (MAN_sp == n->tok) {
1.29      kristaps  397:                if (n->child)
                    398:                        a2roffsu(n->child->string, &su, SCALE_VS);
1.49      kristaps  399:        } else
1.7       kristaps  400:                su.scale = 0;
1.4       kristaps  401:
1.7       kristaps  402:        bufcat_su(h, "height", &su);
                    403:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  404:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  405:
1.16      kristaps  406:        /* So the div isn't empty: */
                    407:        print_text(h, "\\~");
                    408:
1.7       kristaps  409:        return(0);
1.4       kristaps  410: }
                    411:
                    412:
                    413: /* ARGSUSED */
                    414: static int
                    415: man_SH_pre(MAN_ARGS)
                    416: {
1.54      kristaps  417:        struct htmlpair  tag;
1.4       kristaps  418:
1.54      kristaps  419:        if (MAN_BLOCK == n->type) {
                    420:                PAIR_CLASS_INIT(&tag, "section");
                    421:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  422:                return(1);
1.54      kristaps  423:        } else if (MAN_BODY == n->type)
1.4       kristaps  424:                return(1);
                    425:
1.54      kristaps  426:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  427:        return(1);
                    428: }
                    429:
                    430:
                    431: /* ARGSUSED */
                    432: static int
1.8       kristaps  433: man_alt_pre(MAN_ARGS)
                    434: {
                    435:        const struct man_node   *nn;
1.57      kristaps  436:        int              i;
                    437:        enum htmltag     fp;
                    438:        struct tag      *t;
1.8       kristaps  439:
                    440:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  441:                t = NULL;
1.8       kristaps  442:                switch (n->tok) {
                    443:                case (MAN_BI):
1.57      kristaps  444:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  445:                        break;
                    446:                case (MAN_IB):
1.57      kristaps  447:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  448:                        break;
                    449:                case (MAN_RI):
1.57      kristaps  450:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  451:                        break;
                    452:                case (MAN_IR):
1.57      kristaps  453:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  454:                        break;
                    455:                case (MAN_BR):
1.57      kristaps  456:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  457:                        break;
                    458:                case (MAN_RB):
1.57      kristaps  459:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  460:                        break;
                    461:                default:
                    462:                        abort();
                    463:                        /* NOTREACHED */
                    464:                }
                    465:
                    466:                if (i)
                    467:                        h->flags |= HTML_NOSPACE;
                    468:
1.57      kristaps  469:                if (TAG_MAX != fp)
                    470:                        t = print_otag(h, fp, 0, NULL);
                    471:
1.45      kristaps  472:                print_man_node(m, nn, mh, h);
1.57      kristaps  473:
                    474:                if (t)
                    475:                        print_tagq(h, t);
1.8       kristaps  476:        }
                    477:
                    478:        return(0);
                    479: }
                    480:
                    481:
                    482: /* ARGSUSED */
                    483: static int
1.56      kristaps  484: man_SM_pre(MAN_ARGS)
1.8       kristaps  485: {
                    486:
1.57      kristaps  487:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  488:        if (MAN_SB == n->tok)
1.57      kristaps  489:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  490:        return(1);
                    491: }
                    492:
                    493:
                    494: /* ARGSUSED */
                    495: static int
1.4       kristaps  496: man_SS_pre(MAN_ARGS)
                    497: {
1.54      kristaps  498:        struct htmlpair  tag;
1.4       kristaps  499:
1.54      kristaps  500:        if (MAN_BLOCK == n->type) {
                    501:                PAIR_CLASS_INIT(&tag, "subsection");
                    502:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  503:                return(1);
1.54      kristaps  504:        } else if (MAN_BODY == n->type)
1.4       kristaps  505:                return(1);
                    506:
1.54      kristaps  507:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  508:        return(1);
                    509: }
                    510:
                    511:
                    512: /* ARGSUSED */
                    513: static int
                    514: man_PP_pre(MAN_ARGS)
                    515: {
                    516:
1.47      kristaps  517:        if (MAN_HEAD == n->type)
                    518:                return(0);
1.56      kristaps  519:        else if (MAN_BODY == n->type && n->prev)
                    520:                print_otag(h, TAG_P, 0, NULL);
1.47      kristaps  521:
1.5       kristaps  522:        return(1);
                    523: }
                    524:
                    525:
                    526: /* ARGSUSED */
                    527: static int
                    528: man_IP_pre(MAN_ARGS)
                    529: {
1.7       kristaps  530:        struct roffsu            su;
1.5       kristaps  531:        struct htmlpair          tag;
                    532:        const struct man_node   *nn;
                    533:
1.7       kristaps  534:        /*
                    535:         * This scattering of 1-BU margins and pads is to make sure that
                    536:         * when text overruns its box, the subsequent text isn't flush
                    537:         * up against it.  However, the rest of the right-hand box must
                    538:         * also be adjusted in consideration of this 1-BU space.
                    539:         */
                    540:
                    541:        if (MAN_BODY == n->type) {
1.56      kristaps  542:                print_otag(h, TAG_TD, 0, NULL);
1.6       kristaps  543:                return(1);
                    544:        }
                    545:
                    546:        nn = MAN_BLOCK == n->type ?
                    547:                n->head->child : n->parent->head->child;
                    548:
1.7       kristaps  549:        SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  550:
1.59      schwarze  551:        /* Width is the second token. */
1.28      kristaps  552:
1.7       kristaps  553:        if (MAN_IP == n->tok && NULL != nn)
1.59      schwarze  554:                if (NULL != (nn = nn->next))
1.62      kristaps  555:                        a2width(nn, &su);
1.5       kristaps  556:
1.28      kristaps  557:        /* Width is the first token. */
                    558:
1.27      kristaps  559:        if (MAN_TP == n->tok && NULL != nn) {
1.28      kristaps  560:                /* Skip past non-text children. */
1.27      kristaps  561:                while (nn && MAN_TEXT != nn->type)
                    562:                        nn = nn->next;
1.28      kristaps  563:                if (nn)
1.62      kristaps  564:                        a2width(nn, &su);
1.27      kristaps  565:        }
1.7       kristaps  566:
1.5       kristaps  567:        if (MAN_BLOCK == n->type) {
1.56      kristaps  568:                print_otag(h, TAG_P, 0, NULL);
                    569:                print_otag(h, TAG_TABLE, 0, NULL);
                    570:                bufcat_su(h, "width", &su);
1.7       kristaps  571:                PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  572:                print_otag(h, TAG_COL, 1, &tag);
                    573:                print_otag(h, TAG_COL, 0, NULL);
                    574:                print_otag(h, TAG_TBODY, 0, NULL);
                    575:                print_otag(h, TAG_TR, 0, NULL);
1.5       kristaps  576:                return(1);
1.6       kristaps  577:        }
                    578:
1.56      kristaps  579:        print_otag(h, TAG_TD, 0, NULL);
1.6       kristaps  580:
1.59      schwarze  581:        /* For IP, only print the first header element. */
1.7       kristaps  582:
1.59      schwarze  583:        if (MAN_IP == n->tok && n->child)
                    584:                print_man_node(m, n->child, mh, h);
1.27      kristaps  585:
1.59      schwarze  586:        /* For TP, only print next-line header elements. */
1.6       kristaps  587:
1.7       kristaps  588:        if (MAN_TP == n->tok)
1.59      schwarze  589:                for (nn = n->child; nn; nn = nn->next)
                    590:                        if (nn->line > n->line)
                    591:                                print_man_node(m, nn, mh, h);
1.6       kristaps  592:
                    593:        return(0);
                    594: }
                    595:
                    596:
                    597: /* ARGSUSED */
                    598: static int
                    599: man_HP_pre(MAN_ARGS)
                    600: {
1.56      kristaps  601:        struct htmlpair  tag;
                    602:        struct roffsu    su;
                    603:        const struct man_node *np;
1.6       kristaps  604:
1.56      kristaps  605:        np = MAN_BLOCK == n->type ?
                    606:                n->head->child :
                    607:                n->parent->head->child;
1.6       kristaps  608:
1.56      kristaps  609:        if (NULL == np || ! a2width(np, &su))
                    610:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  611:
1.56      kristaps  612:        if (MAN_HEAD == n->type) {
                    613:                print_otag(h, TAG_TD, 0, NULL);
                    614:                return(0);
                    615:        } else if (MAN_BLOCK == n->type) {
                    616:                print_otag(h, TAG_P, 0, NULL);
                    617:                print_otag(h, TAG_TABLE, 0, NULL);
                    618:                bufcat_su(h, "width", &su);
1.7       kristaps  619:                PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  620:                print_otag(h, TAG_COL, 1, &tag);
                    621:                print_otag(h, TAG_COL, 0, NULL);
                    622:                print_otag(h, TAG_TBODY, 0, NULL);
                    623:                print_otag(h, TAG_TR, 0, NULL);
1.6       kristaps  624:                return(1);
                    625:        }
1.5       kristaps  626:
1.56      kristaps  627:        su.scale = -su.scale;
1.7       kristaps  628:        bufcat_su(h, "text-indent", &su);
                    629:        PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  630:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  631:        return(1);
                    632: }
1.6       kristaps  633:
1.8       kristaps  634:
                    635: /* ARGSUSED */
                    636: static int
                    637: man_B_pre(MAN_ARGS)
                    638: {
                    639:
1.57      kristaps  640:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  641:        return(1);
                    642: }
                    643:
                    644:
                    645: /* ARGSUSED */
                    646: static int
                    647: man_I_pre(MAN_ARGS)
                    648: {
1.23      kristaps  649:
1.57      kristaps  650:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  651:        return(1);
1.45      kristaps  652: }
                    653:
                    654:
                    655: /* ARGSUSED */
                    656: static int
                    657: man_literal_pre(MAN_ARGS)
                    658: {
                    659:
1.48      kristaps  660:        if (MAN_nf == n->tok) {
1.45      kristaps  661:                print_otag(h, TAG_BR, 0, NULL);
                    662:                mh->fl |= MANH_LITERAL;
1.48      kristaps  663:        } else
1.45      kristaps  664:                mh->fl &= ~MANH_LITERAL;
                    665:
1.67    ! schwarze  666:        return(0);
1.45      kristaps  667: }
                    668:
                    669:
                    670: /* ARGSUSED */
                    671: static int
                    672: man_in_pre(MAN_ARGS)
                    673: {
                    674:
                    675:        print_otag(h, TAG_BR, 0, NULL);
                    676:        return(0);
1.8       kristaps  677: }
                    678:
                    679:
                    680: /* ARGSUSED */
                    681: static int
                    682: man_ign_pre(MAN_ARGS)
                    683: {
                    684:
                    685:        return(0);
                    686: }
1.9       kristaps  687:
                    688:
                    689: /* ARGSUSED */
                    690: static int
                    691: man_RS_pre(MAN_ARGS)
                    692: {
                    693:        struct htmlpair  tag;
                    694:        struct roffsu    su;
                    695:
                    696:        if (MAN_HEAD == n->type)
                    697:                return(0);
                    698:        else if (MAN_BODY == n->type)
                    699:                return(1);
                    700:
                    701:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  702:        if (n->head->child)
1.9       kristaps  703:                a2width(n->head->child, &su);
                    704:
1.56      kristaps  705:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  706:        PAIR_STYLE_INIT(&tag, h);
                    707:        print_otag(h, TAG_DIV, 1, &tag);
                    708:        return(1);
                    709: }

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