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Annotation of mandoc/man_html.c, Revision 1.64

1.64    ! kristaps    1: /*     $Id: man_html.c,v 1.63 2011/01/12 10:43:22 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);
                     70: static int               man_root_pre(MAN_ARGS);
                     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 */
1.3       kristaps  103:        { NULL, 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:
                    187:        bufinit(h);
                    188:
                    189:        switch (n->type) {
                    190:        case (MAN_ROOT):
1.45      kristaps  191:                child = man_root_pre(m, n, mh, h);
1.4       kristaps  192:                break;
                    193:        case (MAN_TEXT):
1.63      kristaps  194:                if ('\0' == *n->string) {
                    195:                        print_otag(h, TAG_P, 0, NULL);
                    196:                        return;
1.64    ! kristaps  197:                } else if (' ' == *n->string && MAN_LINE & n->flags)
1.63      kristaps  198:                        print_otag(h, TAG_BR, 0, NULL);
                    199:
1.4       kristaps  200:                print_text(h, n->string);
1.63      kristaps  201:
1.64    ! kristaps  202:                if (MANH_LITERAL & mh->fl &&
        !           203:                                (NULL == n->next ||
        !           204:                                 n->next->line > n->line))
1.45      kristaps  205:                        print_otag(h, TAG_BR, 0, NULL);
1.58      kristaps  206:                return;
                    207:        case (MAN_TBL):
1.60      kristaps  208:                print_tbl(h, n->span);
1.64    ! kristaps  209:                return;
1.4       kristaps  210:        default:
1.21      kristaps  211:                /*
                    212:                 * Close out scope of font prior to opening a macro
                    213:                 * scope.  Assert that the metafont is on the top of the
                    214:                 * stack (it's never nested).
                    215:                 */
1.57      kristaps  216:                if (HTMLFONT_NONE != h->metac) {
                    217:                        h->metal = h->metac;
                    218:                        h->metac = HTMLFONT_NONE;
1.20      kristaps  219:                }
1.4       kristaps  220:                if (mans[n->tok].pre)
1.45      kristaps  221:                        child = (*mans[n->tok].pre)(m, n, mh, h);
1.4       kristaps  222:                break;
                    223:        }
                    224:
1.21      kristaps  225:        if (child && n->child)
1.45      kristaps  226:                print_man_nodelist(m, n->child, mh, h);
1.21      kristaps  227:
1.24      kristaps  228:        /* This will automatically close out any font scope. */
1.4       kristaps  229:        print_stagq(h, t);
                    230:
                    231:        bufinit(h);
                    232:
1.61      kristaps  233:        switch (n->type) {
                    234:        case (MAN_ROOT):
1.45      kristaps  235:                man_root_post(m, n, mh, h);
1.61      kristaps  236:                break;
                    237:        default:
                    238:                if (mans[n->tok].post)
                    239:                        (*mans[n->tok].post)(m, n, mh, h);
                    240:                break;
                    241:        }
1.4       kristaps  242: }
                    243:
                    244:
1.5       kristaps  245: static int
1.7       kristaps  246: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  247: {
                    248:
1.6       kristaps  249:        if (MAN_TEXT != n->type)
1.7       kristaps  250:                return(0);
1.11      kristaps  251:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  252:                return(1);
1.5       kristaps  253:
1.7       kristaps  254:        return(0);
1.5       kristaps  255: }
                    256:
                    257:
1.40      kristaps  258: /* ARGSUSED */
1.4       kristaps  259: static int
                    260: man_root_pre(MAN_ARGS)
                    261: {
1.56      kristaps  262:        struct htmlpair  tag[3];
1.4       kristaps  263:        struct tag      *t, *tt;
                    264:        char             b[BUFSIZ], title[BUFSIZ];
                    265:
                    266:        b[0] = 0;
                    267:        if (m->vol)
                    268:                (void)strlcat(b, m->vol, BUFSIZ);
                    269:
1.31      kristaps  270:        snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
1.4       kristaps  271:
1.56      kristaps  272:        PAIR_SUMMARY_INIT(&tag[0], "Document Header");
                    273:        PAIR_CLASS_INIT(&tag[1], "head");
                    274:        if (NULL == h->style) {
                    275:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    276:                t = print_otag(h, TAG_TABLE, 3, tag);
                    277:                PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
                    278:                print_otag(h, TAG_COL, 1, tag);
                    279:                print_otag(h, TAG_COL, 1, tag);
                    280:                print_otag(h, TAG_COL, 1, tag);
                    281:        } else
                    282:                t = print_otag(h, TAG_TABLE, 2, tag);
                    283:
                    284:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  285:
1.4       kristaps  286:        tt = print_otag(h, TAG_TR, 0, NULL);
                    287:
1.55      kristaps  288:        PAIR_CLASS_INIT(&tag[0], "head-ltitle");
1.4       kristaps  289:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  290:
1.4       kristaps  291:        print_text(h, title);
                    292:        print_stagq(h, tt);
                    293:
1.55      kristaps  294:        PAIR_CLASS_INIT(&tag[0], "head-vol");
1.56      kristaps  295:        if (NULL == h->style) {
                    296:                PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
                    297:                print_otag(h, TAG_TD, 2, tag);
                    298:        } else
                    299:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  300:
1.4       kristaps  301:        print_text(h, b);
                    302:        print_stagq(h, tt);
                    303:
1.55      kristaps  304:        PAIR_CLASS_INIT(&tag[0], "head-rtitle");
1.56      kristaps  305:        if (NULL == h->style) {
                    306:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    307:                print_otag(h, TAG_TD, 2, tag);
                    308:        } else
                    309:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  310:
1.4       kristaps  311:        print_text(h, title);
                    312:        print_tagq(h, t);
                    313:        return(1);
                    314: }
                    315:
                    316:
                    317: /* ARGSUSED */
                    318: static void
                    319: man_root_post(MAN_ARGS)
                    320: {
1.56      kristaps  321:        struct htmlpair  tag[3];
1.4       kristaps  322:        struct tag      *t, *tt;
1.12      kristaps  323:        char             b[DATESIZ];
1.4       kristaps  324:
1.36      kristaps  325:        if (m->rawdate)
                    326:                strlcpy(b, m->rawdate, DATESIZ);
                    327:        else
                    328:                time2a(m->date, b, DATESIZ);
1.4       kristaps  329:
1.56      kristaps  330:        PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
                    331:        PAIR_CLASS_INIT(&tag[1], "foot");
                    332:        if (NULL == h->style) {
                    333:                PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    334:                t = print_otag(h, TAG_TABLE, 3, tag);
                    335:                PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
                    336:                print_otag(h, TAG_COL, 1, tag);
                    337:                print_otag(h, TAG_COL, 1, tag);
                    338:        } else
                    339:                t = print_otag(h, TAG_TABLE, 2, tag);
1.15      kristaps  340:
1.4       kristaps  341:        tt = print_otag(h, TAG_TR, 0, NULL);
                    342:
1.55      kristaps  343:        PAIR_CLASS_INIT(&tag[0], "foot-date");
1.4       kristaps  344:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  345:
1.4       kristaps  346:        print_text(h, b);
                    347:        print_stagq(h, tt);
                    348:
1.55      kristaps  349:        PAIR_CLASS_INIT(&tag[0], "foot-os");
1.56      kristaps  350:        if (NULL == h->style) {
                    351:                PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    352:                print_otag(h, TAG_TD, 2, tag);
                    353:        } else
                    354:                print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  355:
1.4       kristaps  356:        if (m->source)
                    357:                print_text(h, m->source);
                    358:        print_tagq(h, t);
                    359: }
                    360:
                    361:
                    362:
                    363: /* ARGSUSED */
                    364: static int
                    365: man_br_pre(MAN_ARGS)
                    366: {
1.7       kristaps  367:        struct roffsu    su;
                    368:        struct htmlpair  tag;
1.4       kristaps  369:
1.7       kristaps  370:        SCALE_VS_INIT(&su, 1);
                    371:
1.49      kristaps  372:        if (MAN_sp == n->tok) {
1.29      kristaps  373:                if (n->child)
                    374:                        a2roffsu(n->child->string, &su, SCALE_VS);
1.49      kristaps  375:        } else
1.7       kristaps  376:                su.scale = 0;
1.4       kristaps  377:
1.7       kristaps  378:        bufcat_su(h, "height", &su);
                    379:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  380:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  381:
1.16      kristaps  382:        /* So the div isn't empty: */
                    383:        print_text(h, "\\~");
                    384:
1.7       kristaps  385:        return(0);
1.4       kristaps  386: }
                    387:
                    388:
                    389: /* ARGSUSED */
                    390: static int
                    391: man_SH_pre(MAN_ARGS)
                    392: {
1.54      kristaps  393:        struct htmlpair  tag;
1.4       kristaps  394:
1.54      kristaps  395:        if (MAN_BLOCK == n->type) {
                    396:                PAIR_CLASS_INIT(&tag, "section");
                    397:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  398:                return(1);
1.54      kristaps  399:        } else if (MAN_BODY == n->type)
1.4       kristaps  400:                return(1);
                    401:
1.54      kristaps  402:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  403:        return(1);
                    404: }
                    405:
                    406:
                    407: /* ARGSUSED */
                    408: static int
1.8       kristaps  409: man_alt_pre(MAN_ARGS)
                    410: {
                    411:        const struct man_node   *nn;
1.57      kristaps  412:        int              i;
                    413:        enum htmltag     fp;
                    414:        struct tag      *t;
1.8       kristaps  415:
                    416:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  417:                t = NULL;
1.8       kristaps  418:                switch (n->tok) {
                    419:                case (MAN_BI):
1.57      kristaps  420:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  421:                        break;
                    422:                case (MAN_IB):
1.57      kristaps  423:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  424:                        break;
                    425:                case (MAN_RI):
1.57      kristaps  426:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  427:                        break;
                    428:                case (MAN_IR):
1.57      kristaps  429:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  430:                        break;
                    431:                case (MAN_BR):
1.57      kristaps  432:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  433:                        break;
                    434:                case (MAN_RB):
1.57      kristaps  435:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  436:                        break;
                    437:                default:
                    438:                        abort();
                    439:                        /* NOTREACHED */
                    440:                }
                    441:
                    442:                if (i)
                    443:                        h->flags |= HTML_NOSPACE;
                    444:
1.57      kristaps  445:                if (TAG_MAX != fp)
                    446:                        t = print_otag(h, fp, 0, NULL);
                    447:
1.45      kristaps  448:                print_man_node(m, nn, mh, h);
1.57      kristaps  449:
                    450:                if (t)
                    451:                        print_tagq(h, t);
1.8       kristaps  452:        }
                    453:
                    454:        return(0);
                    455: }
                    456:
                    457:
                    458: /* ARGSUSED */
                    459: static int
1.56      kristaps  460: man_SM_pre(MAN_ARGS)
1.8       kristaps  461: {
                    462:
1.57      kristaps  463:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  464:        if (MAN_SB == n->tok)
1.57      kristaps  465:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  466:        return(1);
                    467: }
                    468:
                    469:
                    470: /* ARGSUSED */
                    471: static int
1.4       kristaps  472: man_SS_pre(MAN_ARGS)
                    473: {
1.54      kristaps  474:        struct htmlpair  tag;
1.4       kristaps  475:
1.54      kristaps  476:        if (MAN_BLOCK == n->type) {
                    477:                PAIR_CLASS_INIT(&tag, "subsection");
                    478:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  479:                return(1);
1.54      kristaps  480:        } else if (MAN_BODY == n->type)
1.4       kristaps  481:                return(1);
                    482:
1.54      kristaps  483:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  484:        return(1);
                    485: }
                    486:
                    487:
                    488: /* ARGSUSED */
                    489: static int
                    490: man_PP_pre(MAN_ARGS)
                    491: {
                    492:
1.47      kristaps  493:        if (MAN_HEAD == n->type)
                    494:                return(0);
1.56      kristaps  495:        else if (MAN_BODY == n->type && n->prev)
                    496:                print_otag(h, TAG_P, 0, NULL);
1.47      kristaps  497:
1.5       kristaps  498:        return(1);
                    499: }
                    500:
                    501:
                    502: /* ARGSUSED */
                    503: static int
                    504: man_IP_pre(MAN_ARGS)
                    505: {
1.7       kristaps  506:        struct roffsu            su;
1.5       kristaps  507:        struct htmlpair          tag;
                    508:        const struct man_node   *nn;
                    509:
1.7       kristaps  510:        /*
                    511:         * This scattering of 1-BU margins and pads is to make sure that
                    512:         * when text overruns its box, the subsequent text isn't flush
                    513:         * up against it.  However, the rest of the right-hand box must
                    514:         * also be adjusted in consideration of this 1-BU space.
                    515:         */
                    516:
                    517:        if (MAN_BODY == n->type) {
1.56      kristaps  518:                print_otag(h, TAG_TD, 0, NULL);
1.6       kristaps  519:                return(1);
                    520:        }
                    521:
                    522:        nn = MAN_BLOCK == n->type ?
                    523:                n->head->child : n->parent->head->child;
                    524:
1.7       kristaps  525:        SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  526:
1.59      schwarze  527:        /* Width is the second token. */
1.28      kristaps  528:
1.7       kristaps  529:        if (MAN_IP == n->tok && NULL != nn)
1.59      schwarze  530:                if (NULL != (nn = nn->next))
1.62      kristaps  531:                        a2width(nn, &su);
1.5       kristaps  532:
1.28      kristaps  533:        /* Width is the first token. */
                    534:
1.27      kristaps  535:        if (MAN_TP == n->tok && NULL != nn) {
1.28      kristaps  536:                /* Skip past non-text children. */
1.27      kristaps  537:                while (nn && MAN_TEXT != nn->type)
                    538:                        nn = nn->next;
1.28      kristaps  539:                if (nn)
1.62      kristaps  540:                        a2width(nn, &su);
1.27      kristaps  541:        }
1.7       kristaps  542:
1.5       kristaps  543:        if (MAN_BLOCK == n->type) {
1.56      kristaps  544:                print_otag(h, TAG_P, 0, NULL);
                    545:                print_otag(h, TAG_TABLE, 0, NULL);
                    546:                bufcat_su(h, "width", &su);
1.7       kristaps  547:                PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  548:                print_otag(h, TAG_COL, 1, &tag);
                    549:                print_otag(h, TAG_COL, 0, NULL);
                    550:                print_otag(h, TAG_TBODY, 0, NULL);
                    551:                print_otag(h, TAG_TR, 0, NULL);
1.5       kristaps  552:                return(1);
1.6       kristaps  553:        }
                    554:
1.56      kristaps  555:        print_otag(h, TAG_TD, 0, NULL);
1.6       kristaps  556:
1.59      schwarze  557:        /* For IP, only print the first header element. */
1.7       kristaps  558:
1.59      schwarze  559:        if (MAN_IP == n->tok && n->child)
                    560:                print_man_node(m, n->child, mh, h);
1.27      kristaps  561:
1.59      schwarze  562:        /* For TP, only print next-line header elements. */
1.6       kristaps  563:
1.7       kristaps  564:        if (MAN_TP == n->tok)
1.59      schwarze  565:                for (nn = n->child; nn; nn = nn->next)
                    566:                        if (nn->line > n->line)
                    567:                                print_man_node(m, nn, mh, h);
1.6       kristaps  568:
                    569:        return(0);
                    570: }
                    571:
                    572:
                    573: /* ARGSUSED */
                    574: static int
                    575: man_HP_pre(MAN_ARGS)
                    576: {
1.56      kristaps  577:        struct htmlpair  tag;
                    578:        struct roffsu    su;
                    579:        const struct man_node *np;
1.6       kristaps  580:
1.56      kristaps  581:        np = MAN_BLOCK == n->type ?
                    582:                n->head->child :
                    583:                n->parent->head->child;
1.6       kristaps  584:
1.56      kristaps  585:        if (NULL == np || ! a2width(np, &su))
                    586:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  587:
1.56      kristaps  588:        if (MAN_HEAD == n->type) {
                    589:                print_otag(h, TAG_TD, 0, NULL);
                    590:                return(0);
                    591:        } else if (MAN_BLOCK == n->type) {
                    592:                print_otag(h, TAG_P, 0, NULL);
                    593:                print_otag(h, TAG_TABLE, 0, NULL);
                    594:                bufcat_su(h, "width", &su);
1.7       kristaps  595:                PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  596:                print_otag(h, TAG_COL, 1, &tag);
                    597:                print_otag(h, TAG_COL, 0, NULL);
                    598:                print_otag(h, TAG_TBODY, 0, NULL);
                    599:                print_otag(h, TAG_TR, 0, NULL);
1.6       kristaps  600:                return(1);
                    601:        }
1.5       kristaps  602:
1.56      kristaps  603:        su.scale = -su.scale;
1.7       kristaps  604:        bufcat_su(h, "text-indent", &su);
                    605:        PAIR_STYLE_INIT(&tag, h);
1.56      kristaps  606:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  607:        return(1);
                    608: }
1.6       kristaps  609:
1.8       kristaps  610:
                    611: /* ARGSUSED */
                    612: static int
                    613: man_B_pre(MAN_ARGS)
                    614: {
                    615:
1.57      kristaps  616:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  617:        return(1);
                    618: }
                    619:
                    620:
                    621: /* ARGSUSED */
                    622: static int
                    623: man_I_pre(MAN_ARGS)
                    624: {
1.23      kristaps  625:
1.57      kristaps  626:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  627:        return(1);
1.45      kristaps  628: }
                    629:
                    630:
                    631: /* ARGSUSED */
                    632: static int
                    633: man_literal_pre(MAN_ARGS)
                    634: {
                    635:
1.48      kristaps  636:        if (MAN_nf == n->tok) {
1.45      kristaps  637:                print_otag(h, TAG_BR, 0, NULL);
                    638:                mh->fl |= MANH_LITERAL;
1.48      kristaps  639:        } else
1.45      kristaps  640:                mh->fl &= ~MANH_LITERAL;
                    641:
                    642:        return(1);
                    643: }
                    644:
                    645:
                    646: /* ARGSUSED */
                    647: static int
                    648: man_in_pre(MAN_ARGS)
                    649: {
                    650:
                    651:        print_otag(h, TAG_BR, 0, NULL);
                    652:        return(0);
1.8       kristaps  653: }
                    654:
                    655:
                    656: /* ARGSUSED */
                    657: static int
                    658: man_ign_pre(MAN_ARGS)
                    659: {
                    660:
                    661:        return(0);
                    662: }
1.9       kristaps  663:
                    664:
                    665: /* ARGSUSED */
                    666: static int
                    667: man_RS_pre(MAN_ARGS)
                    668: {
                    669:        struct htmlpair  tag;
                    670:        struct roffsu    su;
                    671:
                    672:        if (MAN_HEAD == n->type)
                    673:                return(0);
                    674:        else if (MAN_BODY == n->type)
                    675:                return(1);
                    676:
                    677:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  678:        if (n->head->child)
1.9       kristaps  679:                a2width(n->head->child, &su);
                    680:
1.56      kristaps  681:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  682:        PAIR_STYLE_INIT(&tag, h);
                    683:        print_otag(h, TAG_DIV, 1, &tag);
                    684:        return(1);
                    685: }

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