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Annotation of mandoc/man_html.c, Revision 1.183

1.183   ! schwarze    1: /* $Id: man_html.c,v 1.182 2022/07/05 21:25:29 schwarze Exp $ */
1.1       kristaps    2: /*
1.182     schwarze    3:  * Copyright (c) 2013-2015,2017-2020,2022 Ingo Schwarze <schwarze@openbsd.org>
1.104     kristaps    4:  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
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:  *
1.113     schwarze   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1       kristaps   11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.113     schwarze   12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1       kristaps   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.
1.177     schwarze   17:  *
                     18:  * HTML formatter for man(7) used by mandoc(1).
1.1       kristaps   19:  */
1.25      kristaps   20: #include "config.h"
                     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:
1.94      schwarze   30: #include "mandoc_aux.h"
1.160     schwarze   31: #include "mandoc.h"
1.113     schwarze   32: #include "roff.h"
1.105     schwarze   33: #include "man.h"
1.7       kristaps   34: #include "out.h"
1.1       kristaps   35: #include "html.h"
1.10      kristaps   36: #include "main.h"
1.1       kristaps   37:
1.115     schwarze   38: #define        MAN_ARGS          const struct roff_meta *man, \
1.176     schwarze   39:                          struct roff_node *n, \
1.3       kristaps   40:                          struct html *h
                     41:
1.155     schwarze   42: struct man_html_act {
1.3       kristaps   43:        int             (*pre)(MAN_ARGS);
                     44:        int             (*post)(MAN_ARGS);
                     45: };
                     46:
1.147     schwarze   47: static void              print_man_head(const struct roff_meta *,
                     48:                                struct html *);
1.4       kristaps   49: static void              print_man_nodelist(MAN_ARGS);
                     50: static void              print_man_node(MAN_ARGS);
1.173     schwarze   51: static char              list_continues(const struct roff_node *,
                     52:                                const struct roff_node *);
1.8       kristaps   53: static int               man_B_pre(MAN_ARGS);
1.86      kristaps   54: static int               man_IP_pre(MAN_ARGS);
1.8       kristaps   55: static int               man_I_pre(MAN_ARGS);
1.86      kristaps   56: static int               man_OP_pre(MAN_ARGS);
1.4       kristaps   57: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   58: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   59: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   60: static int               man_SM_pre(MAN_ARGS);
1.156     schwarze   61: static int               man_SY_pre(MAN_ARGS);
1.90      schwarze   62: static int               man_UR_pre(MAN_ARGS);
1.158     schwarze   63: static int               man_abort_pre(MAN_ARGS);
1.86      kristaps   64: static int               man_alt_pre(MAN_ARGS);
                     65: static int               man_ign_pre(MAN_ARGS);
                     66: static int               man_in_pre(MAN_ARGS);
1.147     schwarze   67: static void              man_root_post(const struct roff_meta *,
                     68:                                struct html *);
                     69: static void              man_root_pre(const struct roff_meta *,
                     70:                                struct html *);
1.4       kristaps   71:
1.155     schwarze   72: static const struct man_html_act man_html_acts[MAN_MAX - MAN_TH] = {
1.3       kristaps   73:        { NULL, NULL }, /* TH */
1.4       kristaps   74:        { man_SH_pre, NULL }, /* SH */
1.166     schwarze   75:        { man_SH_pre, NULL }, /* SS */
1.6       kristaps   76:        { man_IP_pre, NULL }, /* TP */
1.154     schwarze   77:        { man_IP_pre, NULL }, /* TQ */
1.158     schwarze   78:        { man_abort_pre, NULL }, /* LP */
1.4       kristaps   79:        { man_PP_pre, NULL }, /* PP */
1.158     schwarze   80:        { man_abort_pre, NULL }, /* P */
1.5       kristaps   81:        { man_IP_pre, NULL }, /* IP */
1.166     schwarze   82:        { man_PP_pre, NULL }, /* HP */
1.8       kristaps   83:        { man_SM_pre, NULL }, /* SM */
1.56      kristaps   84:        { man_SM_pre, NULL }, /* SB */
1.8       kristaps   85:        { man_alt_pre, NULL }, /* BI */
                     86:        { man_alt_pre, NULL }, /* IB */
                     87:        { man_alt_pre, NULL }, /* BR */
                     88:        { man_alt_pre, NULL }, /* RB */
1.3       kristaps   89:        { NULL, NULL }, /* R */
1.8       kristaps   90:        { man_B_pre, NULL }, /* B */
                     91:        { man_I_pre, NULL }, /* I */
                     92:        { man_alt_pre, NULL }, /* IR */
                     93:        { man_alt_pre, NULL }, /* RI */
1.3       kristaps   94:        { NULL, NULL }, /* RE */
1.9       kristaps   95:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps   96:        { man_ign_pre, NULL }, /* DT */
                     97:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps   98:        { man_ign_pre, NULL }, /* PD */
1.34      joerg      99:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  100:        { man_in_pre, NULL }, /* in */
1.156     schwarze  101:        { man_SY_pre, NULL }, /* SY */
                    102:        { NULL, NULL }, /* YS */
1.86      kristaps  103:        { man_OP_pre, NULL }, /* OP */
1.132     schwarze  104:        { NULL, NULL }, /* EX */
                    105:        { NULL, NULL }, /* EE */
1.90      schwarze  106:        { man_UR_pre, NULL }, /* UR */
                    107:        { NULL, NULL }, /* UE */
1.145     schwarze  108:        { man_UR_pre, NULL }, /* MT */
                    109:        { NULL, NULL }, /* ME */
1.3       kristaps  110: };
                    111:
1.93      schwarze  112:
1.1       kristaps  113: void
1.161     schwarze  114: html_man(void *arg, const struct roff_meta *man)
1.1       kristaps  115: {
1.147     schwarze  116:        struct html             *h;
                    117:        struct roff_node        *n;
                    118:        struct tag              *t;
1.82      kristaps  119:
1.117     schwarze  120:        h = (struct html *)arg;
1.147     schwarze  121:        n = man->first->child;
1.3       kristaps  122:
1.126     schwarze  123:        if ((h->oflags & HTML_FRAGMENT) == 0) {
1.82      kristaps  124:                print_gen_decls(h);
1.126     schwarze  125:                print_otag(h, TAG_HTML, "");
                    126:                t = print_otag(h, TAG_HEAD, "");
1.161     schwarze  127:                print_man_head(man, h);
1.126     schwarze  128:                print_tagq(h, t);
1.181     schwarze  129:                if (n != NULL && n->type == ROFFT_COMMENT)
                    130:                        print_gen_comment(h, n);
1.122     schwarze  131:                print_otag(h, TAG_BODY, "");
1.126     schwarze  132:        }
1.53      kristaps  133:
1.161     schwarze  134:        man_root_pre(man, h);
1.180     schwarze  135:        t = print_otag(h, TAG_MAIN, "c", "manual-text");
1.161     schwarze  136:        print_man_nodelist(man, n, h);
1.127     schwarze  137:        print_tagq(h, t);
1.161     schwarze  138:        man_root_post(man, h);
1.126     schwarze  139:        print_tagq(h, NULL);
1.3       kristaps  140: }
                    141:
                    142: static void
1.147     schwarze  143: print_man_head(const struct roff_meta *man, struct html *h)
1.3       kristaps  144: {
1.123     schwarze  145:        char    *cp;
1.3       kristaps  146:
                    147:        print_gen_head(h);
1.123     schwarze  148:        mandoc_asprintf(&cp, "%s(%s)", man->title, man->msec);
1.122     schwarze  149:        print_otag(h, TAG_TITLE, "");
1.123     schwarze  150:        print_text(h, cp);
                    151:        free(cp);
1.1       kristaps  152: }
1.4       kristaps  153:
                    154: static void
                    155: print_man_nodelist(MAN_ARGS)
                    156: {
1.110     schwarze  157:        while (n != NULL) {
1.132     schwarze  158:                print_man_node(man, n, h);
1.110     schwarze  159:                n = n->next;
                    160:        }
1.4       kristaps  161: }
                    162:
                    163: static void
                    164: print_man_node(MAN_ARGS)
                    165: {
1.132     schwarze  166:        struct tag      *t;
1.4       kristaps  167:        int              child;
                    168:
1.167     schwarze  169:        if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
                    170:                return;
                    171:
1.179     schwarze  172:        if ((n->flags & NODE_NOFILL) == 0)
                    173:                html_fillmode(h, ROFF_fi);
                    174:        else if (html_fillmode(h, ROFF_nf) == ROFF_nf &&
                    175:            n->tok != ROFF_fi && n->flags & NODE_LINE &&
                    176:            (n->prev == NULL || n->prev->tok != MAN_YS))
                    177:                print_endline(h);
1.132     schwarze  178:
                    179:        child = 1;
                    180:        switch (n->type) {
                    181:        case ROFFT_TEXT:
1.163     schwarze  182:                if (*n->string == '\0') {
                    183:                        print_endline(h);
                    184:                        return;
                    185:                }
                    186:                if (*n->string == ' ' && n->flags & NODE_LINE &&
                    187:                    (h->flags & HTML_NONEWLINE) == 0)
1.175     schwarze  188:                        print_otag(h, TAG_BR, "");
1.163     schwarze  189:                else if (n->flags & NODE_DELIMC)
                    190:                        h->flags |= HTML_NOSPACE;
1.170     schwarze  191:                t = h->tag;
                    192:                t->refcnt++;
1.4       kristaps  193:                print_text(h, n->string);
1.130     schwarze  194:                break;
1.113     schwarze  195:        case ROFFT_EQN:
1.170     schwarze  196:                t = h->tag;
                    197:                t->refcnt++;
1.80      kristaps  198:                print_eqn(h, n->eqn);
1.69      kristaps  199:                break;
1.113     schwarze  200:        case ROFFT_TBL:
1.66      kristaps  201:                /*
                    202:                 * This will take care of initialising all of the table
                    203:                 * state data for the first table, then tearing it down
                    204:                 * for the last one.
                    205:                 */
1.60      kristaps  206:                print_tbl(h, n->span);
1.64      kristaps  207:                return;
1.4       kristaps  208:        default:
1.93      schwarze  209:                /*
1.21      kristaps  210:                 * Close out scope of font prior to opening a macro
1.66      kristaps  211:                 * scope.
1.21      kristaps  212:                 */
1.174     schwarze  213:                if (h->metac != ESCAPE_FONTROMAN) {
1.57      kristaps  214:                        h->metal = h->metac;
1.174     schwarze  215:                        h->metac = ESCAPE_FONTROMAN;
1.66      kristaps  216:                }
                    217:
                    218:                /*
                    219:                 * Close out the current table, if it's open, and unset
                    220:                 * the "meta" table state.  This will be reopened on the
                    221:                 * next table element.
                    222:                 */
1.170     schwarze  223:                if (h->tblt != NULL)
1.66      kristaps  224:                        print_tblclose(h);
1.170     schwarze  225:                t = h->tag;
                    226:                t->refcnt++;
1.137     schwarze  227:                if (n->tok < ROFF_MAX) {
1.138     schwarze  228:                        roff_html_pre(h, n);
1.170     schwarze  229:                        t->refcnt--;
1.167     schwarze  230:                        print_stagq(h, t);
1.163     schwarze  231:                        return;
1.137     schwarze  232:                }
                    233:                assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
1.155     schwarze  234:                if (man_html_acts[n->tok - MAN_TH].pre != NULL)
                    235:                        child = (*man_html_acts[n->tok - MAN_TH].pre)(man,
                    236:                            n, h);
1.4       kristaps  237:                break;
                    238:        }
                    239:
1.164     schwarze  240:        if (child && n->child != NULL)
1.132     schwarze  241:                print_man_nodelist(man, n->child, h);
1.21      kristaps  242:
1.24      kristaps  243:        /* This will automatically close out any font scope. */
1.170     schwarze  244:        t->refcnt--;
1.171     schwarze  245:        if (n->type == ROFFT_BLOCK &&
                    246:            (n->tok == MAN_IP || n->tok == MAN_TP || n->tok == MAN_TQ)) {
                    247:                t = h->tag;
1.173     schwarze  248:                while (t->tag != TAG_DL && t->tag != TAG_UL)
1.171     schwarze  249:                        t = t->next;
                    250:                /*
                    251:                 * Close the list if no further item of the same type
                    252:                 * follows; otherwise, close the item only.
                    253:                 */
1.176     schwarze  254:                if (list_continues(n, roff_node_next(n)) == '\0') {
1.171     schwarze  255:                        print_tagq(h, t);
                    256:                        t = NULL;
                    257:                }
                    258:        }
                    259:        if (t != NULL)
                    260:                print_stagq(h, t);
1.4       kristaps  261: }
                    262:
1.65      kristaps  263: static void
1.147     schwarze  264: man_root_pre(const struct roff_meta *man, struct html *h)
1.4       kristaps  265: {
1.182     schwarze  266:        struct tag      *t;
1.94      schwarze  267:        char            *title;
1.4       kristaps  268:
1.89      schwarze  269:        assert(man->title);
                    270:        assert(man->msec);
1.94      schwarze  271:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.4       kristaps  272:
1.182     schwarze  273:        t = print_otag(h, TAG_DIV, "cr?", "head", "doc-pageheader",
                    274:            "aria-label", "manual header line");
1.4       kristaps  275:
1.182     schwarze  276:        print_otag(h, TAG_SPAN, "c", "head-ltitle");
1.4       kristaps  277:        print_text(h, title);
1.182     schwarze  278:        print_stagq(h, t);
1.4       kristaps  279:
1.182     schwarze  280:        print_otag(h, TAG_SPAN, "c", "head-vol");
1.164     schwarze  281:        if (man->vol != NULL)
1.95      schwarze  282:                print_text(h, man->vol);
1.182     schwarze  283:        print_stagq(h, t);
1.4       kristaps  284:
1.182     schwarze  285:        print_otag(h, TAG_SPAN, "c", "head-rtitle");
1.4       kristaps  286:        print_text(h, title);
                    287:        print_tagq(h, t);
1.94      schwarze  288:        free(title);
1.4       kristaps  289: }
                    290:
                    291: static void
1.147     schwarze  292: man_root_post(const struct roff_meta *man, struct html *h)
1.4       kristaps  293: {
1.182     schwarze  294:        struct tag      *t;
                    295:
                    296:        t = print_otag(h, TAG_DIV, "cr?", "foot", "doc-pagefooter",
                    297:            "aria-label", "manual footer line");
1.4       kristaps  298:
1.182     schwarze  299:        print_otag(h, TAG_SPAN, "c", "foot-left");
                    300:        print_stagq(h, t);
1.55      kristaps  301:
1.182     schwarze  302:        print_otag(h, TAG_SPAN, "c", "foot-date");
1.89      schwarze  303:        print_text(h, man->date);
1.182     schwarze  304:        print_stagq(h, t);
1.4       kristaps  305:
1.182     schwarze  306:        print_otag(h, TAG_SPAN, "c", "foot-os");
1.164     schwarze  307:        if (man->os != NULL)
1.115     schwarze  308:                print_text(h, man->os);
1.4       kristaps  309:        print_tagq(h, t);
                    310: }
                    311:
                    312: static int
                    313: man_SH_pre(MAN_ARGS)
                    314: {
1.172     schwarze  315:        const char      *class;
                    316:        enum htmltag     tag;
                    317:
                    318:        if (n->tok == MAN_SH) {
1.183   ! schwarze  319:                tag = TAG_H2;
1.172     schwarze  320:                class = "Sh";
                    321:        } else {
1.183   ! schwarze  322:                tag = TAG_H3;
1.172     schwarze  323:                class = "Ss";
                    324:        }
1.166     schwarze  325:        switch (n->type) {
                    326:        case ROFFT_BLOCK:
                    327:                html_close_paragraph(h);
1.172     schwarze  328:                print_otag(h, TAG_SECTION, "c", class);
1.166     schwarze  329:                break;
                    330:        case ROFFT_HEAD:
1.177     schwarze  331:                print_otag_id(h, tag, class, n);
1.166     schwarze  332:                break;
                    333:        case ROFFT_BODY:
                    334:                break;
                    335:        default:
                    336:                abort();
1.134     schwarze  337:        }
1.119     schwarze  338:        return 1;
1.4       kristaps  339: }
                    340:
                    341: static int
1.8       kristaps  342: man_alt_pre(MAN_ARGS)
                    343: {
1.114     schwarze  344:        const struct roff_node  *nn;
1.164     schwarze  345:        struct tag      *t;
1.130     schwarze  346:        int              i;
1.57      kristaps  347:        enum htmltag     fp;
1.8       kristaps  348:
1.164     schwarze  349:        for (i = 0, nn = n->child; nn != NULL; nn = nn->next, i++) {
1.8       kristaps  350:                switch (n->tok) {
1.93      schwarze  351:                case MAN_BI:
1.57      kristaps  352:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  353:                        break;
1.93      schwarze  354:                case MAN_IB:
1.57      kristaps  355:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  356:                        break;
1.93      schwarze  357:                case MAN_RI:
1.57      kristaps  358:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  359:                        break;
1.93      schwarze  360:                case MAN_IR:
1.57      kristaps  361:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  362:                        break;
1.93      schwarze  363:                case MAN_BR:
1.57      kristaps  364:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  365:                        break;
1.93      schwarze  366:                case MAN_RB:
1.57      kristaps  367:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  368:                        break;
                    369:                default:
                    370:                        abort();
                    371:                }
                    372:
                    373:                if (i)
                    374:                        h->flags |= HTML_NOSPACE;
                    375:
1.130     schwarze  376:                if (fp != TAG_MAX)
1.122     schwarze  377:                        t = print_otag(h, fp, "");
1.57      kristaps  378:
1.130     schwarze  379:                print_text(h, nn->string);
1.57      kristaps  380:
1.130     schwarze  381:                if (fp != TAG_MAX)
1.57      kristaps  382:                        print_tagq(h, t);
1.8       kristaps  383:        }
1.119     schwarze  384:        return 0;
1.8       kristaps  385: }
                    386:
                    387: static int
1.56      kristaps  388: man_SM_pre(MAN_ARGS)
1.8       kristaps  389: {
1.122     schwarze  390:        print_otag(h, TAG_SMALL, "");
1.164     schwarze  391:        if (n->tok == MAN_SB)
1.122     schwarze  392:                print_otag(h, TAG_B, "");
1.119     schwarze  393:        return 1;
1.8       kristaps  394: }
                    395:
                    396: static int
1.4       kristaps  397: man_PP_pre(MAN_ARGS)
                    398: {
1.166     schwarze  399:        switch (n->type) {
                    400:        case ROFFT_BLOCK:
                    401:                html_close_paragraph(h);
                    402:                break;
                    403:        case ROFFT_HEAD:
1.119     schwarze  404:                return 0;
1.166     schwarze  405:        case ROFFT_BODY:
                    406:                if (n->child != NULL &&
                    407:                    (n->child->flags & NODE_NOFILL) == 0)
                    408:                        print_otag(h, TAG_P, "c",
                    409:                            n->tok == MAN_PP ? "Pp" : "Pp HP");
                    410:                break;
                    411:        default:
                    412:                abort();
                    413:        }
1.119     schwarze  414:        return 1;
1.5       kristaps  415: }
                    416:
1.173     schwarze  417: static char
                    418: list_continues(const struct roff_node *n1, const struct roff_node *n2)
                    419: {
                    420:        const char *s1, *s2;
                    421:        char c1, c2;
                    422:
                    423:        if (n1 == NULL || n1->type != ROFFT_BLOCK ||
                    424:            n2 == NULL || n2->type != ROFFT_BLOCK)
                    425:                return '\0';
                    426:        if ((n1->tok == MAN_TP || n1->tok == MAN_TQ) &&
                    427:            (n2->tok == MAN_TP || n2->tok == MAN_TQ))
                    428:                return ' ';
                    429:        if (n1->tok != MAN_IP || n2->tok != MAN_IP)
                    430:                return '\0';
                    431:        n1 = n1->head->child;
                    432:        n2 = n2->head->child;
                    433:        s1 = n1 == NULL ? "" : n1->string;
                    434:        s2 = n2 == NULL ? "" : n2->string;
                    435:        c1 = strcmp(s1, "*") == 0 ? '*' :
                    436:             strcmp(s1, "\\-") == 0 ? '-' :
                    437:             strcmp(s1, "\\(bu") == 0 ? 'b' : ' ';
                    438:        c2 = strcmp(s2, "*") == 0 ? '*' :
                    439:             strcmp(s2, "\\-") == 0 ? '-' :
                    440:             strcmp(s2, "\\(bu") == 0 ? 'b' : ' ';
                    441:        return c1 != c2 ? '\0' : c1 == 'b' ? '*' : c1;
                    442: }
                    443:
1.5       kristaps  444: static int
                    445: man_IP_pre(MAN_ARGS)
                    446: {
1.176     schwarze  447:        struct roff_node        *nn;
1.173     schwarze  448:        const char              *list_class;
                    449:        enum htmltag             list_elem, body_elem;
                    450:        char                     list_type;
                    451:
                    452:        nn = n->type == ROFFT_BLOCK ? n : n->parent;
1.176     schwarze  453:        list_type = list_continues(roff_node_prev(nn), nn);
                    454:        if (list_type == '\0') {
1.173     schwarze  455:                /* Start a new list. */
1.176     schwarze  456:                list_type = list_continues(nn, roff_node_next(nn));
                    457:                if (list_type == '\0')
1.173     schwarze  458:                        list_type = ' ';
                    459:                switch (list_type) {
                    460:                case ' ':
                    461:                        list_class = "Bl-tag";
                    462:                        list_elem = TAG_DL;
                    463:                        break;
                    464:                case '*':
                    465:                        list_class = "Bl-bullet";
                    466:                        list_elem = TAG_UL;
                    467:                        break;
                    468:                case '-':
                    469:                        list_class = "Bl-dash";
                    470:                        list_elem = TAG_UL;
                    471:                        break;
                    472:                default:
                    473:                        abort();
                    474:                }
                    475:        } else {
                    476:                /* Continue a list that was started earlier. */
                    477:                list_class = NULL;
                    478:                list_elem = TAG_MAX;
                    479:        }
                    480:        body_elem = list_type == ' ' ? TAG_DD : TAG_LI;
1.5       kristaps  481:
1.166     schwarze  482:        switch (n->type) {
                    483:        case ROFFT_BLOCK:
                    484:                html_close_paragraph(h);
1.173     schwarze  485:                if (list_elem != TAG_MAX)
                    486:                        print_otag(h, list_elem, "c", list_class);
1.166     schwarze  487:                return 1;
                    488:        case ROFFT_HEAD:
1.173     schwarze  489:                if (body_elem == TAG_LI)
                    490:                        return 0;
1.177     schwarze  491:                print_otag_id(h, TAG_DT, NULL, n);
1.166     schwarze  492:                break;
                    493:        case ROFFT_BODY:
1.173     schwarze  494:                print_otag(h, body_elem, "");
1.119     schwarze  495:                return 1;
1.166     schwarze  496:        default:
                    497:                abort();
1.6       kristaps  498:        }
1.154     schwarze  499:        switch(n->tok) {
                    500:        case MAN_IP:  /* Only print the first header element. */
                    501:                if (n->child != NULL)
                    502:                        print_man_node(man, n->child, h);
                    503:                break;
                    504:        case MAN_TP:  /* Only print next-line header elements. */
                    505:        case MAN_TQ:
1.91      schwarze  506:                nn = n->child;
1.154     schwarze  507:                while (nn != NULL && (NODE_LINE & nn->flags) == 0)
1.91      schwarze  508:                        nn = nn->next;
1.154     schwarze  509:                while (nn != NULL) {
1.132     schwarze  510:                        print_man_node(man, nn, h);
1.91      schwarze  511:                        nn = nn->next;
                    512:                }
1.154     schwarze  513:                break;
                    514:        default:
                    515:                abort();
1.91      schwarze  516:        }
1.119     schwarze  517:        return 0;
1.6       kristaps  518: }
                    519:
                    520: static int
1.86      kristaps  521: man_OP_pre(MAN_ARGS)
                    522: {
                    523:        struct tag      *tt;
                    524:
                    525:        print_text(h, "[");
                    526:        h->flags |= HTML_NOSPACE;
1.128     schwarze  527:        tt = print_otag(h, TAG_SPAN, "c", "Op");
1.86      kristaps  528:
1.164     schwarze  529:        if ((n = n->child) != NULL) {
1.122     schwarze  530:                print_otag(h, TAG_B, "");
1.86      kristaps  531:                print_text(h, n->string);
                    532:        }
                    533:
                    534:        print_stagq(h, tt);
                    535:
1.164     schwarze  536:        if (n != NULL && n->next != NULL) {
1.122     schwarze  537:                print_otag(h, TAG_I, "");
1.86      kristaps  538:                print_text(h, n->next->string);
                    539:        }
                    540:
                    541:        print_stagq(h, tt);
                    542:        h->flags |= HTML_NOSPACE;
                    543:        print_text(h, "]");
1.119     schwarze  544:        return 0;
1.86      kristaps  545: }
                    546:
1.8       kristaps  547: static int
                    548: man_B_pre(MAN_ARGS)
                    549: {
1.122     schwarze  550:        print_otag(h, TAG_B, "");
1.119     schwarze  551:        return 1;
1.8       kristaps  552: }
                    553:
                    554: static int
                    555: man_I_pre(MAN_ARGS)
                    556: {
1.122     schwarze  557:        print_otag(h, TAG_I, "");
1.119     schwarze  558:        return 1;
1.45      kristaps  559: }
                    560:
                    561: static int
                    562: man_in_pre(MAN_ARGS)
                    563: {
1.122     schwarze  564:        print_otag(h, TAG_BR, "");
1.119     schwarze  565:        return 0;
1.8       kristaps  566: }
                    567:
                    568: static int
                    569: man_ign_pre(MAN_ARGS)
                    570: {
1.119     schwarze  571:        return 0;
1.8       kristaps  572: }
1.9       kristaps  573:
                    574: static int
                    575: man_RS_pre(MAN_ARGS)
                    576: {
1.166     schwarze  577:        switch (n->type) {
                    578:        case ROFFT_BLOCK:
                    579:                html_close_paragraph(h);
                    580:                break;
                    581:        case ROFFT_HEAD:
1.119     schwarze  582:                return 0;
1.166     schwarze  583:        case ROFFT_BODY:
1.152     schwarze  584:                print_otag(h, TAG_DIV, "c", "Bd-indent");
1.166     schwarze  585:                break;
                    586:        default:
                    587:                abort();
                    588:        }
1.156     schwarze  589:        return 1;
                    590: }
                    591:
                    592: static int
                    593: man_SY_pre(MAN_ARGS)
                    594: {
                    595:        switch (n->type) {
                    596:        case ROFFT_BLOCK:
1.166     schwarze  597:                html_close_paragraph(h);
1.156     schwarze  598:                print_otag(h, TAG_TABLE, "c", "Nm");
                    599:                print_otag(h, TAG_TR, "");
                    600:                break;
                    601:        case ROFFT_HEAD:
                    602:                print_otag(h, TAG_TD, "");
1.168     schwarze  603:                print_otag(h, TAG_CODE, "c", "Nm");
1.156     schwarze  604:                break;
                    605:        case ROFFT_BODY:
                    606:                print_otag(h, TAG_TD, "");
                    607:                break;
                    608:        default:
                    609:                abort();
                    610:        }
1.119     schwarze  611:        return 1;
1.90      schwarze  612: }
                    613:
                    614: static int
                    615: man_UR_pre(MAN_ARGS)
                    616: {
1.145     schwarze  617:        char *cp;
1.164     schwarze  618:
1.90      schwarze  619:        n = n->child;
1.113     schwarze  620:        assert(n->type == ROFFT_HEAD);
1.120     schwarze  621:        if (n->child != NULL) {
1.113     schwarze  622:                assert(n->child->type == ROFFT_TEXT);
1.145     schwarze  623:                if (n->tok == MAN_MT) {
                    624:                        mandoc_asprintf(&cp, "mailto:%s", n->child->string);
1.168     schwarze  625:                        print_otag(h, TAG_A, "ch", "Mt", cp);
1.145     schwarze  626:                        free(cp);
                    627:                } else
1.168     schwarze  628:                        print_otag(h, TAG_A, "ch", "Lk", n->child->string);
1.90      schwarze  629:        }
                    630:
1.113     schwarze  631:        assert(n->next->type == ROFFT_BODY);
1.120     schwarze  632:        if (n->next->child != NULL)
1.90      schwarze  633:                n = n->next;
                    634:
1.132     schwarze  635:        print_man_nodelist(man, n->child, h);
1.119     schwarze  636:        return 0;
1.158     schwarze  637: }
                    638:
                    639: static int
                    640: man_abort_pre(MAN_ARGS)
                    641: {
                    642:        abort();
1.9       kristaps  643: }

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