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Annotation of mandoc/man_html.c, Revision 1.105

1.105   ! schwarze    1: /*     $Id: man_html.c,v 1.104 2014/09/27 11:17:19 kristaps Exp $ */
1.1       kristaps    2: /*
1.104     kristaps    3:  * Copyright (c) 2008-2012, 2014 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: #include "config.h"
                     19:
1.1       kristaps   20: #include <sys/types.h>
                     21:
1.5       kristaps   22: #include <assert.h>
                     23: #include <ctype.h>
1.2       kristaps   24: #include <stdio.h>
1.1       kristaps   25: #include <stdlib.h>
1.4       kristaps   26: #include <string.h>
1.1       kristaps   27:
1.94      schwarze   28: #include "mandoc_aux.h"
1.105   ! schwarze   29: #include "man.h"
1.7       kristaps   30: #include "out.h"
1.1       kristaps   31: #include "html.h"
1.10      kristaps   32: #include "main.h"
1.1       kristaps   33:
1.6       kristaps   34: /* TODO: preserve ident widths. */
1.13      kristaps   35: /* FIXME: have PD set the default vspace width. */
1.6       kristaps   36:
                     37: #define        INDENT            5
1.4       kristaps   38:
1.89      schwarze   39: #define        MAN_ARGS          const struct man_meta *man, \
1.3       kristaps   40:                          const struct man_node *n, \
1.45      kristaps   41:                          struct mhtml *mh, \
1.3       kristaps   42:                          struct html *h
                     43:
1.45      kristaps   44: struct mhtml {
                     45:        int               fl;
                     46: #define        MANH_LITERAL     (1 << 0) /* literal context */
                     47: };
                     48:
1.3       kristaps   49: struct htmlman {
                     50:        int             (*pre)(MAN_ARGS);
                     51:        int             (*post)(MAN_ARGS);
                     52: };
                     53:
1.93      schwarze   54: static void              print_bvspace(struct html *,
1.74      kristaps   55:                                const struct man_node *);
1.3       kristaps   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);
1.7       kristaps   60: static int               a2width(const struct man_node *,
                     61:                                struct roffsu *);
1.8       kristaps   62: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   63: static int               man_HP_pre(MAN_ARGS);
1.86      kristaps   64: static int               man_IP_pre(MAN_ARGS);
1.8       kristaps   65: static int               man_I_pre(MAN_ARGS);
1.86      kristaps   66: static int               man_OP_pre(MAN_ARGS);
1.4       kristaps   67: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   68: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   69: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   70: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   71: static int               man_SS_pre(MAN_ARGS);
1.90      schwarze   72: static int               man_UR_pre(MAN_ARGS);
1.86      kristaps   73: static int               man_alt_pre(MAN_ARGS);
                     74: static int               man_br_pre(MAN_ARGS);
                     75: static int               man_ign_pre(MAN_ARGS);
                     76: static int               man_in_pre(MAN_ARGS);
                     77: static int               man_literal_pre(MAN_ARGS);
                     78: static void              man_root_post(MAN_ARGS);
                     79: static void              man_root_pre(MAN_ARGS);
1.4       kristaps   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 */
1.93      schwarze   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 */
1.86      kristaps  115:        { man_OP_pre, NULL }, /* OP */
1.88      schwarze  116:        { man_literal_pre, NULL }, /* EX */
                    117:        { man_literal_pre, NULL }, /* EE */
1.90      schwarze  118:        { man_UR_pre, NULL }, /* UR */
                    119:        { NULL, NULL }, /* UE */
1.92      schwarze  120:        { man_ign_pre, NULL }, /* ll */
1.3       kristaps  121: };
                    122:
1.93      schwarze  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:
1.103     kristaps  144:        print_paragraph(h);
1.74      kristaps  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
1.93      schwarze  158: print_man(MAN_ARGS)
1.3       kristaps  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);
1.93      schwarze  173:        } else
1.82      kristaps  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: static void
                    181: print_man_head(MAN_ARGS)
                    182: {
                    183:
                    184:        print_gen_head(h);
1.89      schwarze  185:        assert(man->title);
                    186:        assert(man->msec);
                    187:        bufcat_fmt(h, "%s(%s)", man->title, man->msec);
1.3       kristaps  188:        print_otag(h, TAG_TITLE, 0, NULL);
                    189:        print_text(h, h->buf);
1.1       kristaps  190: }
1.4       kristaps  191:
                    192: static void
                    193: print_man_nodelist(MAN_ARGS)
                    194: {
                    195:
1.89      schwarze  196:        print_man_node(man, n, mh, h);
1.4       kristaps  197:        if (n->next)
1.89      schwarze  198:                print_man_nodelist(man, n->next, mh, h);
1.4       kristaps  199: }
                    200:
                    201: static void
                    202: print_man_node(MAN_ARGS)
                    203: {
                    204:        int              child;
                    205:        struct tag      *t;
                    206:
                    207:        child = 1;
1.14      kristaps  208:        t = h->tags.head;
1.4       kristaps  209:
                    210:        switch (n->type) {
1.93      schwarze  211:        case MAN_ROOT:
1.89      schwarze  212:                man_root_pre(man, n, mh, h);
1.4       kristaps  213:                break;
1.93      schwarze  214:        case MAN_TEXT:
1.65      kristaps  215:                /*
                    216:                 * If we have a blank line, output a vertical space.
                    217:                 * If we have a space as the first character, break
                    218:                 * before printing the line's data.
                    219:                 */
1.63      kristaps  220:                if ('\0' == *n->string) {
1.103     kristaps  221:                        print_paragraph(h);
1.63      kristaps  222:                        return;
1.78      kristaps  223:                }
                    224:
                    225:                if (' ' == *n->string && MAN_LINE & n->flags)
                    226:                        print_otag(h, TAG_BR, 0, NULL);
                    227:                else if (MANH_LITERAL & mh->fl && n->prev)
1.63      kristaps  228:                        print_otag(h, TAG_BR, 0, NULL);
                    229:
1.4       kristaps  230:                print_text(h, n->string);
1.68      kristaps  231:                return;
1.93      schwarze  232:        case MAN_EQN:
1.80      kristaps  233:                print_eqn(h, n->eqn);
1.69      kristaps  234:                break;
1.93      schwarze  235:        case MAN_TBL:
1.66      kristaps  236:                /*
                    237:                 * This will take care of initialising all of the table
                    238:                 * state data for the first table, then tearing it down
                    239:                 * for the last one.
                    240:                 */
1.60      kristaps  241:                print_tbl(h, n->span);
1.64      kristaps  242:                return;
1.4       kristaps  243:        default:
1.93      schwarze  244:                /*
1.21      kristaps  245:                 * Close out scope of font prior to opening a macro
1.66      kristaps  246:                 * scope.
1.21      kristaps  247:                 */
1.57      kristaps  248:                if (HTMLFONT_NONE != h->metac) {
                    249:                        h->metal = h->metac;
                    250:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  251:                }
                    252:
                    253:                /*
                    254:                 * Close out the current table, if it's open, and unset
                    255:                 * the "meta" table state.  This will be reopened on the
                    256:                 * next table element.
                    257:                 */
                    258:                if (h->tblt) {
                    259:                        print_tblclose(h);
                    260:                        t = h->tags.head;
1.20      kristaps  261:                }
1.4       kristaps  262:                if (mans[n->tok].pre)
1.89      schwarze  263:                        child = (*mans[n->tok].pre)(man, n, mh, h);
1.4       kristaps  264:                break;
                    265:        }
                    266:
1.21      kristaps  267:        if (child && n->child)
1.89      schwarze  268:                print_man_nodelist(man, n->child, mh, h);
1.21      kristaps  269:
1.24      kristaps  270:        /* This will automatically close out any font scope. */
1.4       kristaps  271:        print_stagq(h, t);
                    272:
1.61      kristaps  273:        switch (n->type) {
1.93      schwarze  274:        case MAN_ROOT:
1.89      schwarze  275:                man_root_post(man, n, mh, h);
1.69      kristaps  276:                break;
1.93      schwarze  277:        case MAN_EQN:
1.61      kristaps  278:                break;
                    279:        default:
                    280:                if (mans[n->tok].post)
1.89      schwarze  281:                        (*mans[n->tok].post)(man, n, mh, h);
1.61      kristaps  282:                break;
                    283:        }
1.4       kristaps  284: }
                    285:
1.5       kristaps  286: static int
1.7       kristaps  287: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  288: {
                    289:
1.6       kristaps  290:        if (MAN_TEXT != n->type)
1.7       kristaps  291:                return(0);
1.11      kristaps  292:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  293:                return(1);
1.5       kristaps  294:
1.7       kristaps  295:        return(0);
1.5       kristaps  296: }
                    297:
1.65      kristaps  298: static void
1.4       kristaps  299: man_root_pre(MAN_ARGS)
                    300: {
1.101     kristaps  301:        struct htmlpair  tag;
1.4       kristaps  302:        struct tag      *t, *tt;
1.94      schwarze  303:        char            *title;
1.4       kristaps  304:
1.89      schwarze  305:        assert(man->title);
                    306:        assert(man->msec);
1.94      schwarze  307:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.4       kristaps  308:
1.101     kristaps  309:        PAIR_CLASS_INIT(&tag, "head");
                    310:        t = print_otag(h, TAG_TABLE, 1, &tag);
1.56      kristaps  311:
                    312:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  313:
1.4       kristaps  314:        tt = print_otag(h, TAG_TR, 0, NULL);
                    315:
1.101     kristaps  316:        PAIR_CLASS_INIT(&tag, "head-ltitle");
                    317:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  318:        print_text(h, title);
                    319:        print_stagq(h, tt);
                    320:
1.101     kristaps  321:        PAIR_CLASS_INIT(&tag, "head-vol");
                    322:        print_otag(h, TAG_TD, 1, &tag);
1.95      schwarze  323:        if (NULL != man->vol)
                    324:                print_text(h, man->vol);
1.4       kristaps  325:        print_stagq(h, tt);
                    326:
1.101     kristaps  327:        PAIR_CLASS_INIT(&tag, "head-rtitle");
                    328:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  329:        print_text(h, title);
                    330:        print_tagq(h, t);
1.94      schwarze  331:        free(title);
1.4       kristaps  332: }
                    333:
                    334: static void
                    335: man_root_post(MAN_ARGS)
                    336: {
1.101     kristaps  337:        struct htmlpair  tag;
1.4       kristaps  338:        struct tag      *t, *tt;
                    339:
1.101     kristaps  340:        PAIR_CLASS_INIT(&tag, "foot");
                    341:        t = print_otag(h, TAG_TABLE, 1, &tag);
1.15      kristaps  342:
1.4       kristaps  343:        tt = print_otag(h, TAG_TR, 0, NULL);
                    344:
1.101     kristaps  345:        PAIR_CLASS_INIT(&tag, "foot-date");
                    346:        print_otag(h, TAG_TD, 1, &tag);
1.55      kristaps  347:
1.89      schwarze  348:        assert(man->date);
                    349:        print_text(h, man->date);
1.4       kristaps  350:        print_stagq(h, tt);
                    351:
1.101     kristaps  352:        PAIR_CLASS_INIT(&tag, "foot-os");
                    353:        print_otag(h, TAG_TD, 1, &tag);
1.55      kristaps  354:
1.89      schwarze  355:        if (man->source)
                    356:                print_text(h, man->source);
1.4       kristaps  357:        print_tagq(h, t);
                    358: }
                    359:
                    360:
                    361: static int
                    362: man_br_pre(MAN_ARGS)
                    363: {
1.7       kristaps  364:        struct roffsu    su;
                    365:        struct htmlpair  tag;
1.4       kristaps  366:
1.7       kristaps  367:        SCALE_VS_INIT(&su, 1);
                    368:
1.49      kristaps  369:        if (MAN_sp == n->tok) {
1.75      kristaps  370:                if (NULL != (n = n->child))
                    371:                        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    372:                                SCALE_VS_INIT(&su, atoi(n->string));
1.49      kristaps  373:        } else
1.96      schwarze  374:                su.scale = 0.0;
1.4       kristaps  375:
1.72      kristaps  376:        bufinit(h);
1.7       kristaps  377:        bufcat_su(h, "height", &su);
                    378:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  379:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  380:
1.16      kristaps  381:        /* So the div isn't empty: */
                    382:        print_text(h, "\\~");
                    383:
1.7       kristaps  384:        return(0);
1.4       kristaps  385: }
                    386:
                    387: static int
                    388: man_SH_pre(MAN_ARGS)
                    389: {
1.54      kristaps  390:        struct htmlpair  tag;
1.4       kristaps  391:
1.54      kristaps  392:        if (MAN_BLOCK == n->type) {
1.76      kristaps  393:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  394:                PAIR_CLASS_INIT(&tag, "section");
                    395:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  396:                return(1);
1.54      kristaps  397:        } else if (MAN_BODY == n->type)
1.4       kristaps  398:                return(1);
                    399:
1.54      kristaps  400:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  401:        return(1);
                    402: }
                    403:
                    404: static int
1.8       kristaps  405: man_alt_pre(MAN_ARGS)
                    406: {
                    407:        const struct man_node   *nn;
1.78      kristaps  408:        int              i, savelit;
1.57      kristaps  409:        enum htmltag     fp;
                    410:        struct tag      *t;
1.8       kristaps  411:
1.93      schwarze  412:        if ((savelit = mh->fl & MANH_LITERAL))
1.78      kristaps  413:                print_otag(h, TAG_BR, 0, NULL);
                    414:
                    415:        mh->fl &= ~MANH_LITERAL;
                    416:
1.8       kristaps  417:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  418:                t = NULL;
1.8       kristaps  419:                switch (n->tok) {
1.93      schwarze  420:                case MAN_BI:
1.57      kristaps  421:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  422:                        break;
1.93      schwarze  423:                case MAN_IB:
1.57      kristaps  424:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  425:                        break;
1.93      schwarze  426:                case MAN_RI:
1.57      kristaps  427:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  428:                        break;
1.93      schwarze  429:                case MAN_IR:
1.57      kristaps  430:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  431:                        break;
1.93      schwarze  432:                case MAN_BR:
1.57      kristaps  433:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  434:                        break;
1.93      schwarze  435:                case MAN_RB:
1.57      kristaps  436:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  437:                        break;
                    438:                default:
                    439:                        abort();
                    440:                        /* NOTREACHED */
                    441:                }
                    442:
                    443:                if (i)
                    444:                        h->flags |= HTML_NOSPACE;
                    445:
1.57      kristaps  446:                if (TAG_MAX != fp)
                    447:                        t = print_otag(h, fp, 0, NULL);
                    448:
1.89      schwarze  449:                print_man_node(man, nn, mh, h);
1.57      kristaps  450:
                    451:                if (t)
                    452:                        print_tagq(h, t);
1.8       kristaps  453:        }
                    454:
1.78      kristaps  455:        if (savelit)
                    456:                mh->fl |= MANH_LITERAL;
                    457:
1.8       kristaps  458:        return(0);
                    459: }
                    460:
                    461: static int
1.56      kristaps  462: man_SM_pre(MAN_ARGS)
1.8       kristaps  463: {
1.93      schwarze  464:
1.57      kristaps  465:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  466:        if (MAN_SB == n->tok)
1.57      kristaps  467:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  468:        return(1);
                    469: }
                    470:
                    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) {
1.76      kristaps  477:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  478:                PAIR_CLASS_INIT(&tag, "subsection");
                    479:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  480:                return(1);
1.54      kristaps  481:        } else if (MAN_BODY == n->type)
1.4       kristaps  482:                return(1);
                    483:
1.54      kristaps  484:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  485:        return(1);
                    486: }
                    487:
                    488: static int
                    489: man_PP_pre(MAN_ARGS)
                    490: {
                    491:
1.47      kristaps  492:        if (MAN_HEAD == n->type)
                    493:                return(0);
1.74      kristaps  494:        else if (MAN_BLOCK == n->type)
                    495:                print_bvspace(h, n);
1.47      kristaps  496:
1.5       kristaps  497:        return(1);
                    498: }
                    499:
                    500: static int
                    501: man_IP_pre(MAN_ARGS)
                    502: {
                    503:        const struct man_node   *nn;
                    504:
1.93      schwarze  505:        if (MAN_BODY == n->type) {
1.77      kristaps  506:                print_otag(h, TAG_DD, 0, NULL);
                    507:                return(1);
                    508:        } else if (MAN_HEAD != n->type) {
                    509:                print_otag(h, TAG_DL, 0, NULL);
1.6       kristaps  510:                return(1);
                    511:        }
                    512:
1.78      kristaps  513:        /* FIXME: width specification. */
                    514:
1.77      kristaps  515:        print_otag(h, TAG_DT, 0, NULL);
1.6       kristaps  516:
1.59      schwarze  517:        /* For IP, only print the first header element. */
1.7       kristaps  518:
1.59      schwarze  519:        if (MAN_IP == n->tok && n->child)
1.89      schwarze  520:                print_man_node(man, n->child, mh, h);
1.27      kristaps  521:
1.59      schwarze  522:        /* For TP, only print next-line header elements. */
1.6       kristaps  523:
1.91      schwarze  524:        if (MAN_TP == n->tok) {
                    525:                nn = n->child;
                    526:                while (NULL != nn && 0 == (MAN_LINE & nn->flags))
                    527:                        nn = nn->next;
                    528:                while (NULL != nn) {
                    529:                        print_man_node(man, nn, mh, h);
                    530:                        nn = nn->next;
                    531:                }
                    532:        }
1.6       kristaps  533:
                    534:        return(0);
                    535: }
                    536:
                    537: static int
                    538: man_HP_pre(MAN_ARGS)
                    539: {
1.103     kristaps  540:        struct htmlpair  tag[2];
1.56      kristaps  541:        struct roffsu    su;
                    542:        const struct man_node *np;
1.6       kristaps  543:
1.77      kristaps  544:        if (MAN_HEAD == n->type)
                    545:                return(0);
                    546:        else if (MAN_BLOCK != n->type)
                    547:                return(1);
1.72      kristaps  548:
1.77      kristaps  549:        np = n->head->child;
1.6       kristaps  550:
1.56      kristaps  551:        if (NULL == np || ! a2width(np, &su))
                    552:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  553:
1.77      kristaps  554:        bufinit(h);
1.5       kristaps  555:
1.77      kristaps  556:        print_bvspace(h, n);
                    557:        bufcat_su(h, "margin-left", &su);
1.56      kristaps  558:        su.scale = -su.scale;
1.7       kristaps  559:        bufcat_su(h, "text-indent", &su);
1.103     kristaps  560:        PAIR_STYLE_INIT(&tag[0], h);
                    561:        PAIR_CLASS_INIT(&tag[1], "spacer");
                    562:        print_otag(h, TAG_DIV, 2, tag);
1.4       kristaps  563:        return(1);
                    564: }
1.86      kristaps  565:
                    566: static int
                    567: man_OP_pre(MAN_ARGS)
                    568: {
                    569:        struct tag      *tt;
                    570:        struct htmlpair  tag;
                    571:
                    572:        print_text(h, "[");
                    573:        h->flags |= HTML_NOSPACE;
                    574:        PAIR_CLASS_INIT(&tag, "opt");
                    575:        tt = print_otag(h, TAG_SPAN, 1, &tag);
                    576:
                    577:        if (NULL != (n = n->child)) {
                    578:                print_otag(h, TAG_B, 0, NULL);
                    579:                print_text(h, n->string);
                    580:        }
                    581:
                    582:        print_stagq(h, tt);
                    583:
                    584:        if (NULL != n && NULL != n->next) {
                    585:                print_otag(h, TAG_I, 0, NULL);
                    586:                print_text(h, n->next->string);
                    587:        }
                    588:
                    589:        print_stagq(h, tt);
                    590:        h->flags |= HTML_NOSPACE;
                    591:        print_text(h, "]");
                    592:        return(0);
                    593: }
                    594:
1.8       kristaps  595: static int
                    596: man_B_pre(MAN_ARGS)
                    597: {
                    598:
1.57      kristaps  599:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  600:        return(1);
                    601: }
                    602:
                    603: static int
                    604: man_I_pre(MAN_ARGS)
                    605: {
1.93      schwarze  606:
1.57      kristaps  607:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  608:        return(1);
1.45      kristaps  609: }
                    610:
                    611: static int
                    612: man_literal_pre(MAN_ARGS)
                    613: {
                    614:
1.88      schwarze  615:        if (MAN_fi == n->tok || MAN_EE == n->tok) {
1.45      kristaps  616:                print_otag(h, TAG_BR, 0, NULL);
1.78      kristaps  617:                mh->fl &= ~MANH_LITERAL;
                    618:        } else
1.45      kristaps  619:                mh->fl |= MANH_LITERAL;
                    620:
1.67      schwarze  621:        return(0);
1.45      kristaps  622: }
                    623:
                    624: static int
                    625: man_in_pre(MAN_ARGS)
                    626: {
                    627:
                    628:        print_otag(h, TAG_BR, 0, NULL);
                    629:        return(0);
1.8       kristaps  630: }
                    631:
                    632: static int
                    633: man_ign_pre(MAN_ARGS)
                    634: {
                    635:
                    636:        return(0);
                    637: }
1.9       kristaps  638:
                    639: static int
                    640: man_RS_pre(MAN_ARGS)
                    641: {
                    642:        struct htmlpair  tag;
                    643:        struct roffsu    su;
                    644:
                    645:        if (MAN_HEAD == n->type)
                    646:                return(0);
                    647:        else if (MAN_BODY == n->type)
                    648:                return(1);
                    649:
                    650:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  651:        if (n->head->child)
1.9       kristaps  652:                a2width(n->head->child, &su);
                    653:
1.72      kristaps  654:        bufinit(h);
1.56      kristaps  655:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  656:        PAIR_STYLE_INIT(&tag, h);
                    657:        print_otag(h, TAG_DIV, 1, &tag);
                    658:        return(1);
1.90      schwarze  659: }
                    660:
                    661: static int
                    662: man_UR_pre(MAN_ARGS)
                    663: {
                    664:        struct htmlpair          tag[2];
                    665:
                    666:        n = n->child;
                    667:        assert(MAN_HEAD == n->type);
                    668:        if (n->nchild) {
                    669:                assert(MAN_TEXT == n->child->type);
                    670:                PAIR_CLASS_INIT(&tag[0], "link-ext");
                    671:                PAIR_HREF_INIT(&tag[1], n->child->string);
                    672:                print_otag(h, TAG_A, 2, tag);
                    673:        }
                    674:
                    675:        assert(MAN_BODY == n->next->type);
                    676:        if (n->next->nchild)
                    677:                n = n->next;
                    678:
                    679:        print_man_nodelist(man, n->child, mh, h);
                    680:
                    681:        return(0);
1.9       kristaps  682: }

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