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Annotation of mandoc/man_html.c, Revision 1.91

1.91    ! schwarze    1: /*     $Id: man_html.c,v 1.90 2013/10/17 20:54:58 schwarze Exp $ */
1.1       kristaps    2: /*
1.87      schwarze    3:  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.91    ! schwarze    4:  * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
1.25      kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.1       kristaps   22: #include <sys/types.h>
                     23:
1.5       kristaps   24: #include <assert.h>
                     25: #include <ctype.h>
1.2       kristaps   26: #include <stdio.h>
1.1       kristaps   27: #include <stdlib.h>
1.4       kristaps   28: #include <string.h>
1.1       kristaps   29:
1.35      kristaps   30: #include "mandoc.h"
1.7       kristaps   31: #include "out.h"
1.1       kristaps   32: #include "html.h"
                     33: #include "man.h"
1.10      kristaps   34: #include "main.h"
1.1       kristaps   35:
1.6       kristaps   36: /* TODO: preserve ident widths. */
1.13      kristaps   37: /* FIXME: have PD set the default vspace width. */
1.6       kristaps   38:
                     39: #define        INDENT            5
1.4       kristaps   40:
1.89      schwarze   41: #define        MAN_ARGS          const struct man_meta *man, \
1.3       kristaps   42:                          const struct man_node *n, \
1.45      kristaps   43:                          struct mhtml *mh, \
1.3       kristaps   44:                          struct html *h
                     45:
1.45      kristaps   46: struct mhtml {
                     47:        int               fl;
                     48: #define        MANH_LITERAL     (1 << 0) /* literal context */
                     49: };
                     50:
1.3       kristaps   51: struct htmlman {
                     52:        int             (*pre)(MAN_ARGS);
                     53:        int             (*post)(MAN_ARGS);
                     54: };
                     55:
1.74      kristaps   56: static void              print_bvspace(struct html *,
                     57:                                const struct man_node *);
1.3       kristaps   58: static void              print_man(MAN_ARGS);
                     59: static void              print_man_head(MAN_ARGS);
1.4       kristaps   60: static void              print_man_nodelist(MAN_ARGS);
                     61: static void              print_man_node(MAN_ARGS);
1.7       kristaps   62: static int               a2width(const struct man_node *,
                     63:                                struct roffsu *);
1.8       kristaps   64: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   65: static int               man_HP_pre(MAN_ARGS);
1.86      kristaps   66: static int               man_IP_pre(MAN_ARGS);
1.8       kristaps   67: static int               man_I_pre(MAN_ARGS);
1.86      kristaps   68: static int               man_OP_pre(MAN_ARGS);
1.4       kristaps   69: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   70: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   71: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   72: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   73: static int               man_SS_pre(MAN_ARGS);
1.90      schwarze   74: static int               man_UR_pre(MAN_ARGS);
1.86      kristaps   75: static int               man_alt_pre(MAN_ARGS);
                     76: static int               man_br_pre(MAN_ARGS);
                     77: static int               man_ign_pre(MAN_ARGS);
                     78: static int               man_in_pre(MAN_ARGS);
                     79: static int               man_literal_pre(MAN_ARGS);
                     80: static void              man_root_post(MAN_ARGS);
                     81: static void              man_root_pre(MAN_ARGS);
1.4       kristaps   82:
1.3       kristaps   83: static const struct htmlman mans[MAN_MAX] = {
1.4       kristaps   84:        { man_br_pre, NULL }, /* br */
1.3       kristaps   85:        { NULL, NULL }, /* TH */
1.4       kristaps   86:        { man_SH_pre, NULL }, /* SH */
                     87:        { man_SS_pre, NULL }, /* SS */
1.6       kristaps   88:        { man_IP_pre, NULL }, /* TP */
1.4       kristaps   89:        { man_PP_pre, NULL }, /* LP */
                     90:        { man_PP_pre, NULL }, /* PP */
                     91:        { man_PP_pre, NULL }, /* P */
1.5       kristaps   92:        { man_IP_pre, NULL }, /* IP */
1.6       kristaps   93:        { man_HP_pre, NULL }, /* HP */
1.8       kristaps   94:        { man_SM_pre, NULL }, /* SM */
1.56      kristaps   95:        { man_SM_pre, NULL }, /* SB */
1.8       kristaps   96:        { man_alt_pre, NULL }, /* BI */
                     97:        { man_alt_pre, NULL }, /* IB */
                     98:        { man_alt_pre, NULL }, /* BR */
                     99:        { man_alt_pre, NULL }, /* RB */
1.3       kristaps  100:        { NULL, NULL }, /* R */
1.8       kristaps  101:        { man_B_pre, NULL }, /* B */
                    102:        { man_I_pre, NULL }, /* I */
                    103:        { man_alt_pre, NULL }, /* IR */
                    104:        { man_alt_pre, NULL }, /* RI */
1.67      schwarze  105:        { man_ign_pre, NULL }, /* na */
1.4       kristaps  106:        { man_br_pre, NULL }, /* sp */
1.45      kristaps  107:        { man_literal_pre, NULL }, /* nf */
                    108:        { man_literal_pre, NULL }, /* fi */
1.3       kristaps  109:        { NULL, NULL }, /* RE */
1.9       kristaps  110:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps  111:        { man_ign_pre, NULL }, /* DT */
                    112:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  113:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     114:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  115:        { man_in_pre, NULL }, /* in */
1.51      kristaps  116:        { man_ign_pre, NULL }, /* ft */
1.86      kristaps  117:        { man_OP_pre, NULL }, /* OP */
1.88      schwarze  118:        { man_literal_pre, NULL }, /* EX */
                    119:        { man_literal_pre, NULL }, /* EE */
1.90      schwarze  120:        { man_UR_pre, NULL }, /* UR */
                    121:        { NULL, NULL }, /* UE */
1.3       kristaps  122: };
                    123:
1.74      kristaps  124: /*
                    125:  * Printing leading vertical space before a block.
                    126:  * This is used for the paragraph macros.
                    127:  * The rules are pretty simple, since there's very little nesting going
                    128:  * on here.  Basically, if we're the first within another block (SS/SH),
                    129:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    130:  * first, print it.
                    131:  */
                    132: static void
                    133: print_bvspace(struct html *h, const struct man_node *n)
                    134: {
                    135:
                    136:        if (n->body && n->body->child)
                    137:                if (MAN_TBL == n->body->child->type)
                    138:                        return;
                    139:
                    140:        if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok)
                    141:                if (NULL == n->prev)
                    142:                        return;
                    143:
                    144:        print_otag(h, TAG_P, 0, NULL);
                    145: }
1.1       kristaps  146:
                    147: void
1.89      schwarze  148: html_man(void *arg, const struct man *man)
1.1       kristaps  149: {
1.45      kristaps  150:        struct mhtml     mh;
1.3       kristaps  151:
1.45      kristaps  152:        memset(&mh, 0, sizeof(struct mhtml));
1.89      schwarze  153:        print_man(man_meta(man), man_node(man), &mh, (struct html *)arg);
1.82      kristaps  154:        putchar('\n');
1.3       kristaps  155: }
                    156:
                    157: static void
                    158: print_man(MAN_ARGS)
                    159: {
1.82      kristaps  160:        struct tag      *t, *tt;
                    161:        struct htmlpair  tag;
                    162:
                    163:        PAIR_CLASS_INIT(&tag, "mandoc");
1.3       kristaps  164:
1.82      kristaps  165:        if ( ! (HTML_FRAGMENT & h->oflags)) {
                    166:                print_gen_decls(h);
                    167:                t = print_otag(h, TAG_HTML, 0, NULL);
                    168:                tt = print_otag(h, TAG_HEAD, 0, NULL);
1.89      schwarze  169:                print_man_head(man, n, mh, h);
1.82      kristaps  170:                print_tagq(h, tt);
                    171:                print_otag(h, TAG_BODY, 0, NULL);
                    172:                print_otag(h, TAG_DIV, 1, &tag);
                    173:        } else
                    174:                t = print_otag(h, TAG_DIV, 1, &tag);
1.53      kristaps  175:
1.89      schwarze  176:        print_man_nodelist(man, n, mh, h);
1.3       kristaps  177:        print_tagq(h, t);
                    178: }
                    179:
                    180:
                    181: /* ARGSUSED */
                    182: static void
                    183: print_man_head(MAN_ARGS)
                    184: {
                    185:
                    186:        print_gen_head(h);
1.89      schwarze  187:        assert(man->title);
                    188:        assert(man->msec);
                    189:        bufcat_fmt(h, "%s(%s)", man->title, man->msec);
1.3       kristaps  190:        print_otag(h, TAG_TITLE, 0, NULL);
                    191:        print_text(h, h->buf);
1.1       kristaps  192: }
1.4       kristaps  193:
                    194:
                    195: static void
                    196: print_man_nodelist(MAN_ARGS)
                    197: {
                    198:
1.89      schwarze  199:        print_man_node(man, n, mh, h);
1.4       kristaps  200:        if (n->next)
1.89      schwarze  201:                print_man_nodelist(man, n->next, mh, h);
1.4       kristaps  202: }
                    203:
                    204:
                    205: static void
                    206: print_man_node(MAN_ARGS)
                    207: {
                    208:        int              child;
                    209:        struct tag      *t;
                    210:
                    211:        child = 1;
1.14      kristaps  212:        t = h->tags.head;
1.4       kristaps  213:
                    214:        switch (n->type) {
                    215:        case (MAN_ROOT):
1.89      schwarze  216:                man_root_pre(man, n, mh, h);
1.4       kristaps  217:                break;
                    218:        case (MAN_TEXT):
1.65      kristaps  219:                /*
                    220:                 * If we have a blank line, output a vertical space.
                    221:                 * If we have a space as the first character, break
                    222:                 * before printing the line's data.
                    223:                 */
1.63      kristaps  224:                if ('\0' == *n->string) {
                    225:                        print_otag(h, TAG_P, 0, NULL);
                    226:                        return;
1.78      kristaps  227:                }
                    228:
                    229:                if (' ' == *n->string && MAN_LINE & n->flags)
                    230:                        print_otag(h, TAG_BR, 0, NULL);
                    231:                else if (MANH_LITERAL & mh->fl && n->prev)
1.63      kristaps  232:                        print_otag(h, TAG_BR, 0, NULL);
                    233:
1.4       kristaps  234:                print_text(h, n->string);
1.68      kristaps  235:                return;
                    236:        case (MAN_EQN):
1.80      kristaps  237:                print_eqn(h, n->eqn);
1.69      kristaps  238:                break;
1.58      kristaps  239:        case (MAN_TBL):
1.66      kristaps  240:                /*
                    241:                 * This will take care of initialising all of the table
                    242:                 * state data for the first table, then tearing it down
                    243:                 * for the last one.
                    244:                 */
1.60      kristaps  245:                print_tbl(h, n->span);
1.64      kristaps  246:                return;
1.4       kristaps  247:        default:
1.21      kristaps  248:                /*
                    249:                 * Close out scope of font prior to opening a macro
1.66      kristaps  250:                 * scope.
1.21      kristaps  251:                 */
1.57      kristaps  252:                if (HTMLFONT_NONE != h->metac) {
                    253:                        h->metal = h->metac;
                    254:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  255:                }
                    256:
                    257:                /*
                    258:                 * Close out the current table, if it's open, and unset
                    259:                 * the "meta" table state.  This will be reopened on the
                    260:                 * next table element.
                    261:                 */
                    262:                if (h->tblt) {
                    263:                        print_tblclose(h);
                    264:                        t = h->tags.head;
1.20      kristaps  265:                }
1.4       kristaps  266:                if (mans[n->tok].pre)
1.89      schwarze  267:                        child = (*mans[n->tok].pre)(man, n, mh, h);
1.4       kristaps  268:                break;
                    269:        }
                    270:
1.21      kristaps  271:        if (child && n->child)
1.89      schwarze  272:                print_man_nodelist(man, n->child, mh, h);
1.21      kristaps  273:
1.24      kristaps  274:        /* This will automatically close out any font scope. */
1.4       kristaps  275:        print_stagq(h, t);
                    276:
1.61      kristaps  277:        switch (n->type) {
                    278:        case (MAN_ROOT):
1.89      schwarze  279:                man_root_post(man, n, mh, h);
1.69      kristaps  280:                break;
                    281:        case (MAN_EQN):
1.61      kristaps  282:                break;
                    283:        default:
                    284:                if (mans[n->tok].post)
1.89      schwarze  285:                        (*mans[n->tok].post)(man, n, mh, h);
1.61      kristaps  286:                break;
                    287:        }
1.4       kristaps  288: }
                    289:
                    290:
1.5       kristaps  291: static int
1.7       kristaps  292: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  293: {
                    294:
1.6       kristaps  295:        if (MAN_TEXT != n->type)
1.7       kristaps  296:                return(0);
1.11      kristaps  297:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  298:                return(1);
1.5       kristaps  299:
1.7       kristaps  300:        return(0);
1.5       kristaps  301: }
                    302:
                    303:
1.40      kristaps  304: /* ARGSUSED */
1.65      kristaps  305: static void
1.4       kristaps  306: man_root_pre(MAN_ARGS)
                    307: {
1.56      kristaps  308:        struct htmlpair  tag[3];
1.4       kristaps  309:        struct tag      *t, *tt;
                    310:        char             b[BUFSIZ], title[BUFSIZ];
                    311:
                    312:        b[0] = 0;
1.89      schwarze  313:        if (man->vol)
                    314:                (void)strlcat(b, man->vol, BUFSIZ);
1.4       kristaps  315:
1.89      schwarze  316:        assert(man->title);
                    317:        assert(man->msec);
                    318:        snprintf(title, BUFSIZ - 1, "%s(%s)", man->title, man->msec);
1.4       kristaps  319:
1.56      kristaps  320:        PAIR_SUMMARY_INIT(&tag[0], "Document Header");
                    321:        PAIR_CLASS_INIT(&tag[1], "head");
1.83      schwarze  322:        PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    323:        t = print_otag(h, TAG_TABLE, 3, tag);
                    324:        PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
                    325:        print_otag(h, TAG_COL, 1, tag);
                    326:        print_otag(h, TAG_COL, 1, tag);
                    327:        print_otag(h, TAG_COL, 1, tag);
1.56      kristaps  328:
                    329:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  330:
1.4       kristaps  331:        tt = print_otag(h, TAG_TR, 0, NULL);
                    332:
1.55      kristaps  333:        PAIR_CLASS_INIT(&tag[0], "head-ltitle");
1.4       kristaps  334:        print_otag(h, TAG_TD, 1, tag);
                    335:        print_text(h, title);
                    336:        print_stagq(h, tt);
                    337:
1.55      kristaps  338:        PAIR_CLASS_INIT(&tag[0], "head-vol");
1.83      schwarze  339:        PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
                    340:        print_otag(h, TAG_TD, 2, tag);
1.4       kristaps  341:        print_text(h, b);
                    342:        print_stagq(h, tt);
                    343:
1.55      kristaps  344:        PAIR_CLASS_INIT(&tag[0], "head-rtitle");
1.83      schwarze  345:        PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    346:        print_otag(h, TAG_TD, 2, tag);
1.4       kristaps  347:        print_text(h, title);
                    348:        print_tagq(h, t);
                    349: }
                    350:
                    351:
                    352: /* ARGSUSED */
                    353: static void
                    354: man_root_post(MAN_ARGS)
                    355: {
1.56      kristaps  356:        struct htmlpair  tag[3];
1.4       kristaps  357:        struct tag      *t, *tt;
                    358:
1.56      kristaps  359:        PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
                    360:        PAIR_CLASS_INIT(&tag[1], "foot");
1.83      schwarze  361:        PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
                    362:        t = print_otag(h, TAG_TABLE, 3, tag);
                    363:        PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
                    364:        print_otag(h, TAG_COL, 1, tag);
                    365:        print_otag(h, TAG_COL, 1, tag);
1.15      kristaps  366:
1.4       kristaps  367:        tt = print_otag(h, TAG_TR, 0, NULL);
                    368:
1.55      kristaps  369:        PAIR_CLASS_INIT(&tag[0], "foot-date");
1.4       kristaps  370:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  371:
1.89      schwarze  372:        assert(man->date);
                    373:        print_text(h, man->date);
1.4       kristaps  374:        print_stagq(h, tt);
                    375:
1.55      kristaps  376:        PAIR_CLASS_INIT(&tag[0], "foot-os");
1.83      schwarze  377:        PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    378:        print_otag(h, TAG_TD, 2, tag);
1.55      kristaps  379:
1.89      schwarze  380:        if (man->source)
                    381:                print_text(h, man->source);
1.4       kristaps  382:        print_tagq(h, t);
                    383: }
                    384:
                    385:
                    386: /* ARGSUSED */
                    387: static int
                    388: man_br_pre(MAN_ARGS)
                    389: {
1.7       kristaps  390:        struct roffsu    su;
                    391:        struct htmlpair  tag;
1.4       kristaps  392:
1.7       kristaps  393:        SCALE_VS_INIT(&su, 1);
                    394:
1.49      kristaps  395:        if (MAN_sp == n->tok) {
1.75      kristaps  396:                if (NULL != (n = n->child))
                    397:                        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    398:                                SCALE_VS_INIT(&su, atoi(n->string));
1.49      kristaps  399:        } else
1.7       kristaps  400:                su.scale = 0;
1.4       kristaps  401:
1.72      kristaps  402:        bufinit(h);
1.7       kristaps  403:        bufcat_su(h, "height", &su);
                    404:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  405:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  406:
1.16      kristaps  407:        /* So the div isn't empty: */
                    408:        print_text(h, "\\~");
                    409:
1.7       kristaps  410:        return(0);
1.4       kristaps  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) {
1.76      kristaps  420:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  421:                PAIR_CLASS_INIT(&tag, "section");
                    422:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  423:                return(1);
1.54      kristaps  424:        } else if (MAN_BODY == n->type)
1.4       kristaps  425:                return(1);
                    426:
1.54      kristaps  427:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  428:        return(1);
                    429: }
                    430:
                    431: /* ARGSUSED */
                    432: static int
1.8       kristaps  433: man_alt_pre(MAN_ARGS)
                    434: {
                    435:        const struct man_node   *nn;
1.78      kristaps  436:        int              i, savelit;
1.57      kristaps  437:        enum htmltag     fp;
                    438:        struct tag      *t;
1.8       kristaps  439:
1.78      kristaps  440:        if ((savelit = mh->fl & MANH_LITERAL))
                    441:                print_otag(h, TAG_BR, 0, NULL);
                    442:
                    443:        mh->fl &= ~MANH_LITERAL;
                    444:
1.8       kristaps  445:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  446:                t = NULL;
1.8       kristaps  447:                switch (n->tok) {
                    448:                case (MAN_BI):
1.57      kristaps  449:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  450:                        break;
                    451:                case (MAN_IB):
1.57      kristaps  452:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  453:                        break;
                    454:                case (MAN_RI):
1.57      kristaps  455:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  456:                        break;
                    457:                case (MAN_IR):
1.57      kristaps  458:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  459:                        break;
                    460:                case (MAN_BR):
1.57      kristaps  461:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  462:                        break;
                    463:                case (MAN_RB):
1.57      kristaps  464:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  465:                        break;
                    466:                default:
                    467:                        abort();
                    468:                        /* NOTREACHED */
                    469:                }
                    470:
                    471:                if (i)
                    472:                        h->flags |= HTML_NOSPACE;
                    473:
1.57      kristaps  474:                if (TAG_MAX != fp)
                    475:                        t = print_otag(h, fp, 0, NULL);
                    476:
1.89      schwarze  477:                print_man_node(man, nn, mh, h);
1.57      kristaps  478:
                    479:                if (t)
                    480:                        print_tagq(h, t);
1.8       kristaps  481:        }
                    482:
1.78      kristaps  483:        if (savelit)
                    484:                mh->fl |= MANH_LITERAL;
                    485:
1.8       kristaps  486:        return(0);
                    487: }
                    488:
                    489: /* ARGSUSED */
                    490: static int
1.56      kristaps  491: man_SM_pre(MAN_ARGS)
1.8       kristaps  492: {
                    493:
1.57      kristaps  494:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  495:        if (MAN_SB == n->tok)
1.57      kristaps  496:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  497:        return(1);
                    498: }
                    499:
                    500: /* ARGSUSED */
                    501: static int
1.4       kristaps  502: man_SS_pre(MAN_ARGS)
                    503: {
1.54      kristaps  504:        struct htmlpair  tag;
1.4       kristaps  505:
1.54      kristaps  506:        if (MAN_BLOCK == n->type) {
1.76      kristaps  507:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  508:                PAIR_CLASS_INIT(&tag, "subsection");
                    509:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  510:                return(1);
1.54      kristaps  511:        } else if (MAN_BODY == n->type)
1.4       kristaps  512:                return(1);
                    513:
1.54      kristaps  514:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  515:        return(1);
                    516: }
                    517:
                    518: /* ARGSUSED */
                    519: static int
                    520: man_PP_pre(MAN_ARGS)
                    521: {
                    522:
1.47      kristaps  523:        if (MAN_HEAD == n->type)
                    524:                return(0);
1.74      kristaps  525:        else if (MAN_BLOCK == n->type)
                    526:                print_bvspace(h, n);
1.47      kristaps  527:
1.5       kristaps  528:        return(1);
                    529: }
                    530:
                    531: /* ARGSUSED */
                    532: static int
                    533: man_IP_pre(MAN_ARGS)
                    534: {
                    535:        const struct man_node   *nn;
                    536:
1.7       kristaps  537:        if (MAN_BODY == n->type) {
1.77      kristaps  538:                print_otag(h, TAG_DD, 0, NULL);
                    539:                return(1);
                    540:        } else if (MAN_HEAD != n->type) {
                    541:                print_otag(h, TAG_DL, 0, NULL);
1.6       kristaps  542:                return(1);
                    543:        }
                    544:
1.78      kristaps  545:        /* FIXME: width specification. */
                    546:
1.77      kristaps  547:        print_otag(h, TAG_DT, 0, NULL);
1.6       kristaps  548:
1.59      schwarze  549:        /* For IP, only print the first header element. */
1.7       kristaps  550:
1.59      schwarze  551:        if (MAN_IP == n->tok && n->child)
1.89      schwarze  552:                print_man_node(man, n->child, mh, h);
1.27      kristaps  553:
1.59      schwarze  554:        /* For TP, only print next-line header elements. */
1.6       kristaps  555:
1.91    ! schwarze  556:        if (MAN_TP == n->tok) {
        !           557:                nn = n->child;
        !           558:                while (NULL != nn && 0 == (MAN_LINE & nn->flags))
        !           559:                        nn = nn->next;
        !           560:                while (NULL != nn) {
        !           561:                        print_man_node(man, nn, mh, h);
        !           562:                        nn = nn->next;
        !           563:                }
        !           564:        }
1.6       kristaps  565:
                    566:        return(0);
                    567: }
                    568:
                    569: /* ARGSUSED */
                    570: static int
                    571: man_HP_pre(MAN_ARGS)
                    572: {
1.56      kristaps  573:        struct htmlpair  tag;
                    574:        struct roffsu    su;
                    575:        const struct man_node *np;
1.6       kristaps  576:
1.77      kristaps  577:        if (MAN_HEAD == n->type)
                    578:                return(0);
                    579:        else if (MAN_BLOCK != n->type)
                    580:                return(1);
1.72      kristaps  581:
1.77      kristaps  582:        np = n->head->child;
1.6       kristaps  583:
1.56      kristaps  584:        if (NULL == np || ! a2width(np, &su))
                    585:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  586:
1.77      kristaps  587:        bufinit(h);
1.5       kristaps  588:
1.77      kristaps  589:        print_bvspace(h, n);
                    590:        bufcat_su(h, "margin-left", &su);
1.56      kristaps  591:        su.scale = -su.scale;
1.7       kristaps  592:        bufcat_su(h, "text-indent", &su);
                    593:        PAIR_STYLE_INIT(&tag, h);
1.77      kristaps  594:        print_otag(h, TAG_P, 1, &tag);
1.4       kristaps  595:        return(1);
                    596: }
1.86      kristaps  597:
                    598: /* ARGSUSED */
                    599: static int
                    600: man_OP_pre(MAN_ARGS)
                    601: {
                    602:        struct tag      *tt;
                    603:        struct htmlpair  tag;
                    604:
                    605:        print_text(h, "[");
                    606:        h->flags |= HTML_NOSPACE;
                    607:        PAIR_CLASS_INIT(&tag, "opt");
                    608:        tt = print_otag(h, TAG_SPAN, 1, &tag);
                    609:
                    610:        if (NULL != (n = n->child)) {
                    611:                print_otag(h, TAG_B, 0, NULL);
                    612:                print_text(h, n->string);
                    613:        }
                    614:
                    615:        print_stagq(h, tt);
                    616:
                    617:        if (NULL != n && NULL != n->next) {
                    618:                print_otag(h, TAG_I, 0, NULL);
                    619:                print_text(h, n->next->string);
                    620:        }
                    621:
                    622:        print_stagq(h, tt);
                    623:        h->flags |= HTML_NOSPACE;
                    624:        print_text(h, "]");
                    625:        return(0);
                    626: }
                    627:
1.6       kristaps  628:
1.8       kristaps  629: /* ARGSUSED */
                    630: static int
                    631: man_B_pre(MAN_ARGS)
                    632: {
                    633:
1.57      kristaps  634:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  635:        return(1);
                    636: }
                    637:
                    638: /* ARGSUSED */
                    639: static int
                    640: man_I_pre(MAN_ARGS)
                    641: {
1.23      kristaps  642:
1.57      kristaps  643:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  644:        return(1);
1.45      kristaps  645: }
                    646:
                    647: /* ARGSUSED */
                    648: static int
                    649: man_literal_pre(MAN_ARGS)
                    650: {
                    651:
1.88      schwarze  652:        if (MAN_fi == n->tok || MAN_EE == n->tok) {
1.45      kristaps  653:                print_otag(h, TAG_BR, 0, NULL);
1.78      kristaps  654:                mh->fl &= ~MANH_LITERAL;
                    655:        } else
1.45      kristaps  656:                mh->fl |= MANH_LITERAL;
                    657:
1.67      schwarze  658:        return(0);
1.45      kristaps  659: }
                    660:
                    661: /* ARGSUSED */
                    662: static int
                    663: man_in_pre(MAN_ARGS)
                    664: {
                    665:
                    666:        print_otag(h, TAG_BR, 0, NULL);
                    667:        return(0);
1.8       kristaps  668: }
                    669:
                    670: /* ARGSUSED */
                    671: static int
                    672: man_ign_pre(MAN_ARGS)
                    673: {
                    674:
                    675:        return(0);
                    676: }
1.9       kristaps  677:
                    678: /* ARGSUSED */
                    679: static int
                    680: man_RS_pre(MAN_ARGS)
                    681: {
                    682:        struct htmlpair  tag;
                    683:        struct roffsu    su;
                    684:
                    685:        if (MAN_HEAD == n->type)
                    686:                return(0);
                    687:        else if (MAN_BODY == n->type)
                    688:                return(1);
                    689:
                    690:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  691:        if (n->head->child)
1.9       kristaps  692:                a2width(n->head->child, &su);
                    693:
1.72      kristaps  694:        bufinit(h);
1.56      kristaps  695:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  696:        PAIR_STYLE_INIT(&tag, h);
                    697:        print_otag(h, TAG_DIV, 1, &tag);
                    698:        return(1);
1.90      schwarze  699: }
                    700:
                    701: /* ARGSUSED */
                    702: static int
                    703: man_UR_pre(MAN_ARGS)
                    704: {
                    705:        struct htmlpair          tag[2];
                    706:
                    707:        n = n->child;
                    708:        assert(MAN_HEAD == n->type);
                    709:        if (n->nchild) {
                    710:                assert(MAN_TEXT == n->child->type);
                    711:                PAIR_CLASS_INIT(&tag[0], "link-ext");
                    712:                PAIR_HREF_INIT(&tag[1], n->child->string);
                    713:                print_otag(h, TAG_A, 2, tag);
                    714:        }
                    715:
                    716:        assert(MAN_BODY == n->next->type);
                    717:        if (n->next->nchild)
                    718:                n = n->next;
                    719:
                    720:        print_man_nodelist(man, n->child, mh, h);
                    721:
                    722:        return(0);
1.9       kristaps  723: }

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