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Annotation of mandoc/man_html.c, Revision 1.145

1.145   ! schwarze    1: /*     $Id: man_html.c,v 1.144 2017/06/24 14:38:32 schwarze Exp $ */
1.1       kristaps    2: /*
1.104     kristaps    3:  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
1.122     schwarze    4:  * Copyright (c) 2013, 2014, 2015, 2017 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:  *
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.
                     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"
1.144     schwarze   29: #include "mandoc.h"
1.113     schwarze   30: #include "roff.h"
1.105     schwarze   31: #include "man.h"
1.7       kristaps   32: #include "out.h"
1.1       kristaps   33: #include "html.h"
1.10      kristaps   34: #include "main.h"
1.1       kristaps   35:
1.13      kristaps   36: /* FIXME: have PD set the default vspace width. */
1.6       kristaps   37:
                     38: #define        INDENT            5
1.4       kristaps   39:
1.115     schwarze   40: #define        MAN_ARGS          const struct roff_meta *man, \
1.114     schwarze   41:                          const struct roff_node *n, \
1.3       kristaps   42:                          struct html *h
                     43:
                     44: struct htmlman {
                     45:        int             (*pre)(MAN_ARGS);
                     46:        int             (*post)(MAN_ARGS);
                     47: };
                     48:
1.93      schwarze   49: static void              print_bvspace(struct html *,
1.114     schwarze   50:                                const struct roff_node *);
1.3       kristaps   51: static void              print_man_head(MAN_ARGS);
1.4       kristaps   52: static void              print_man_nodelist(MAN_ARGS);
                     53: static void              print_man_node(MAN_ARGS);
1.132     schwarze   54: static int               fillmode(struct html *, int);
1.114     schwarze   55: static int               a2width(const struct roff_node *,
1.7       kristaps   56:                                struct roffsu *);
1.8       kristaps   57: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   58: static int               man_HP_pre(MAN_ARGS);
1.86      kristaps   59: static int               man_IP_pre(MAN_ARGS);
1.8       kristaps   60: static int               man_I_pre(MAN_ARGS);
1.86      kristaps   61: static int               man_OP_pre(MAN_ARGS);
1.4       kristaps   62: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   63: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   64: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   65: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   66: static int               man_SS_pre(MAN_ARGS);
1.90      schwarze   67: static int               man_UR_pre(MAN_ARGS);
1.86      kristaps   68: static int               man_alt_pre(MAN_ARGS);
                     69: static int               man_ign_pre(MAN_ARGS);
                     70: static int               man_in_pre(MAN_ARGS);
                     71: static void              man_root_post(MAN_ARGS);
                     72: static void              man_root_pre(MAN_ARGS);
1.4       kristaps   73:
1.136     schwarze   74: static const struct htmlman __mans[MAN_MAX - MAN_TH] = {
1.3       kristaps   75:        { NULL, NULL }, /* TH */
1.4       kristaps   76:        { man_SH_pre, NULL }, /* SH */
                     77:        { man_SS_pre, NULL }, /* SS */
1.6       kristaps   78:        { man_IP_pre, NULL }, /* TP */
1.4       kristaps   79:        { man_PP_pre, NULL }, /* LP */
                     80:        { man_PP_pre, NULL }, /* PP */
                     81:        { man_PP_pre, NULL }, /* P */
1.5       kristaps   82:        { man_IP_pre, NULL }, /* IP */
1.93      schwarze   83:        { man_HP_pre, NULL }, /* HP */
1.8       kristaps   84:        { man_SM_pre, NULL }, /* SM */
1.56      kristaps   85:        { man_SM_pre, NULL }, /* SB */
1.8       kristaps   86:        { man_alt_pre, NULL }, /* BI */
                     87:        { man_alt_pre, NULL }, /* IB */
                     88:        { man_alt_pre, NULL }, /* BR */
                     89:        { man_alt_pre, NULL }, /* RB */
1.3       kristaps   90:        { NULL, NULL }, /* R */
1.8       kristaps   91:        { man_B_pre, NULL }, /* B */
                     92:        { man_I_pre, NULL }, /* I */
                     93:        { man_alt_pre, NULL }, /* IR */
                     94:        { man_alt_pre, NULL }, /* RI */
1.132     schwarze   95:        { NULL, NULL }, /* nf */
                     96:        { NULL, NULL }, /* fi */
1.3       kristaps   97:        { NULL, NULL }, /* RE */
1.9       kristaps   98:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps   99:        { man_ign_pre, NULL }, /* DT */
                    100:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  101:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     102:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  103:        { man_in_pre, NULL }, /* in */
1.86      kristaps  104:        { man_OP_pre, NULL }, /* OP */
1.132     schwarze  105:        { NULL, NULL }, /* EX */
                    106:        { NULL, NULL }, /* EE */
1.90      schwarze  107:        { man_UR_pre, NULL }, /* UR */
                    108:        { NULL, NULL }, /* UE */
1.145   ! schwarze  109:        { man_UR_pre, NULL }, /* MT */
        !           110:        { NULL, NULL }, /* ME */
1.3       kristaps  111: };
1.136     schwarze  112: static const struct htmlman *const mans = __mans - MAN_TH;
1.3       kristaps  113:
1.93      schwarze  114:
1.74      kristaps  115: /*
                    116:  * Printing leading vertical space before a block.
                    117:  * This is used for the paragraph macros.
                    118:  * The rules are pretty simple, since there's very little nesting going
                    119:  * on here.  Basically, if we're the first within another block (SS/SH),
                    120:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    121:  * first, print it.
                    122:  */
                    123: static void
1.114     schwarze  124: print_bvspace(struct html *h, const struct roff_node *n)
1.74      kristaps  125: {
                    126:
                    127:        if (n->body && n->body->child)
1.113     schwarze  128:                if (n->body->child->type == ROFFT_TBL)
1.74      kristaps  129:                        return;
                    130:
1.113     schwarze  131:        if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.74      kristaps  132:                if (NULL == n->prev)
                    133:                        return;
                    134:
1.103     kristaps  135:        print_paragraph(h);
1.74      kristaps  136: }
1.1       kristaps  137:
                    138: void
1.116     schwarze  139: html_man(void *arg, const struct roff_man *man)
1.1       kristaps  140: {
1.117     schwarze  141:        struct html     *h;
1.126     schwarze  142:        struct tag      *t;
1.82      kristaps  143:
1.117     schwarze  144:        h = (struct html *)arg;
1.3       kristaps  145:
1.126     schwarze  146:        if ((h->oflags & HTML_FRAGMENT) == 0) {
1.82      kristaps  147:                print_gen_decls(h);
1.126     schwarze  148:                print_otag(h, TAG_HTML, "");
                    149:                t = print_otag(h, TAG_HEAD, "");
1.132     schwarze  150:                print_man_head(&man->meta, man->first, h);
1.126     schwarze  151:                print_tagq(h, t);
1.122     schwarze  152:                print_otag(h, TAG_BODY, "");
1.126     schwarze  153:        }
1.53      kristaps  154:
1.132     schwarze  155:        man_root_pre(&man->meta, man->first, h);
1.127     schwarze  156:        t = print_otag(h, TAG_DIV, "c", "manual-text");
1.132     schwarze  157:        print_man_nodelist(&man->meta, man->first->child, h);
1.127     schwarze  158:        print_tagq(h, t);
1.132     schwarze  159:        man_root_post(&man->meta, man->first, h);
1.126     schwarze  160:        print_tagq(h, NULL);
1.3       kristaps  161: }
                    162:
                    163: static void
                    164: print_man_head(MAN_ARGS)
                    165: {
1.123     schwarze  166:        char    *cp;
1.3       kristaps  167:
                    168:        print_gen_head(h);
1.123     schwarze  169:        mandoc_asprintf(&cp, "%s(%s)", man->title, man->msec);
1.122     schwarze  170:        print_otag(h, TAG_TITLE, "");
1.123     schwarze  171:        print_text(h, cp);
                    172:        free(cp);
1.1       kristaps  173: }
1.4       kristaps  174:
                    175: static void
                    176: print_man_nodelist(MAN_ARGS)
                    177: {
                    178:
1.110     schwarze  179:        while (n != NULL) {
1.132     schwarze  180:                print_man_node(man, n, h);
1.110     schwarze  181:                n = n->next;
                    182:        }
1.4       kristaps  183: }
                    184:
                    185: static void
                    186: print_man_node(MAN_ARGS)
                    187: {
1.132     schwarze  188:        static int       want_fillmode = MAN_fi;
                    189:        static int       save_fillmode;
                    190:
                    191:        struct tag      *t;
1.4       kristaps  192:        int              child;
                    193:
1.132     schwarze  194:        /*
                    195:         * Handle fill mode switch requests up front,
                    196:         * they would just cause trouble in the subsequent code.
                    197:         */
                    198:
                    199:        switch (n->tok) {
                    200:        case MAN_nf:
                    201:        case MAN_EX:
                    202:                want_fillmode = MAN_nf;
                    203:                return;
                    204:        case MAN_fi:
                    205:        case MAN_EE:
                    206:                want_fillmode = MAN_fi;
                    207:                if (fillmode(h, 0) == MAN_fi)
                    208:                        print_otag(h, TAG_BR, "");
                    209:                return;
                    210:        default:
                    211:                break;
                    212:        }
                    213:
                    214:        /* Set up fill mode for the upcoming node. */
1.4       kristaps  215:
                    216:        switch (n->type) {
1.132     schwarze  217:        case ROFFT_BLOCK:
                    218:                save_fillmode = 0;
                    219:                /* Some block macros suspend or cancel .nf. */
                    220:                switch (n->tok) {
                    221:                case MAN_TP:  /* Tagged paragraphs              */
                    222:                case MAN_IP:  /* temporarily disable .nf        */
                    223:                case MAN_HP:  /* for the head.                  */
                    224:                        save_fillmode = want_fillmode;
                    225:                        /* FALLTHROUGH */
                    226:                case MAN_SH:  /* Section headers                */
                    227:                case MAN_SS:  /* permanently cancel .nf.        */
                    228:                        want_fillmode = MAN_fi;
                    229:                        /* FALLTHROUGH */
                    230:                case MAN_PP:  /* These have no head.            */
                    231:                case MAN_LP:  /* They will simply               */
                    232:                case MAN_P:   /* reopen .nf in the body.        */
                    233:                case MAN_RS:
                    234:                case MAN_UR:
1.145   ! schwarze  235:                case MAN_MT:
1.132     schwarze  236:                        fillmode(h, MAN_fi);
                    237:                        break;
                    238:                default:
                    239:                        break;
                    240:                }
                    241:                break;
                    242:        case ROFFT_TBL:
                    243:                fillmode(h, MAN_fi);
                    244:                break;
                    245:        case ROFFT_ELEM:
                    246:                /*
                    247:                 * Some in-line macros produce tags and/or text
                    248:                 * in the handler, so they require fill mode to be
                    249:                 * configured up front just like for text nodes.
                    250:                 * For the others, keep the traditional approach
                    251:                 * of doing the same, for now.
                    252:                 */
                    253:                fillmode(h, want_fillmode);
                    254:                break;
1.113     schwarze  255:        case ROFFT_TEXT:
1.132     schwarze  256:                if (fillmode(h, want_fillmode) == MAN_fi &&
                    257:                    want_fillmode == MAN_fi &&
1.142     schwarze  258:                    n->flags & NODE_LINE && *n->string == ' ' &&
                    259:                    (h->flags & HTML_NONEWLINE) == 0)
1.122     schwarze  260:                        print_otag(h, TAG_BR, "");
1.132     schwarze  261:                if (*n->string != '\0')
                    262:                        break;
                    263:                print_paragraph(h);
                    264:                return;
                    265:        default:
                    266:                break;
                    267:        }
                    268:
                    269:        /* Produce output for this node. */
                    270:
                    271:        child = 1;
                    272:        switch (n->type) {
                    273:        case ROFFT_TEXT:
                    274:                t = h->tag;
1.4       kristaps  275:                print_text(h, n->string);
1.130     schwarze  276:                break;
1.113     schwarze  277:        case ROFFT_EQN:
1.132     schwarze  278:                t = h->tag;
1.80      kristaps  279:                print_eqn(h, n->eqn);
1.69      kristaps  280:                break;
1.113     schwarze  281:        case ROFFT_TBL:
1.66      kristaps  282:                /*
                    283:                 * This will take care of initialising all of the table
                    284:                 * state data for the first table, then tearing it down
                    285:                 * for the last one.
                    286:                 */
1.60      kristaps  287:                print_tbl(h, n->span);
1.64      kristaps  288:                return;
1.4       kristaps  289:        default:
1.93      schwarze  290:                /*
1.21      kristaps  291:                 * Close out scope of font prior to opening a macro
1.66      kristaps  292:                 * scope.
1.21      kristaps  293:                 */
1.57      kristaps  294:                if (HTMLFONT_NONE != h->metac) {
                    295:                        h->metal = h->metac;
                    296:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  297:                }
                    298:
                    299:                /*
                    300:                 * Close out the current table, if it's open, and unset
                    301:                 * the "meta" table state.  This will be reopened on the
                    302:                 * next table element.
                    303:                 */
1.132     schwarze  304:                if (h->tblt)
1.66      kristaps  305:                        print_tblclose(h);
1.132     schwarze  306:
                    307:                t = h->tag;
1.137     schwarze  308:                if (n->tok < ROFF_MAX) {
1.138     schwarze  309:                        roff_html_pre(h, n);
1.141     schwarze  310:                        child = 0;
1.137     schwarze  311:                        break;
                    312:                }
                    313:
                    314:                assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
1.4       kristaps  315:                if (mans[n->tok].pre)
1.132     schwarze  316:                        child = (*mans[n->tok].pre)(man, n, h);
                    317:
                    318:                /* Some block macros resume .nf in the body. */
                    319:                if (save_fillmode && n->type == ROFFT_BODY)
                    320:                        want_fillmode = save_fillmode;
                    321:
1.4       kristaps  322:                break;
                    323:        }
                    324:
1.21      kristaps  325:        if (child && n->child)
1.132     schwarze  326:                print_man_nodelist(man, n->child, h);
1.21      kristaps  327:
1.24      kristaps  328:        /* This will automatically close out any font scope. */
1.132     schwarze  329:        print_stagq(h, t);
                    330:
                    331:        if (fillmode(h, 0) == MAN_nf &&
                    332:            n->next != NULL && n->next->flags & NODE_LINE)
                    333:                print_endline(h);
                    334: }
                    335:
                    336: /*
                    337:  * MAN_nf switches to no-fill mode, MAN_fi to fill mode.
                    338:  * Other arguments do not switch.
                    339:  * The old mode is returned.
                    340:  */
                    341: static int
                    342: fillmode(struct html *h, int want)
                    343: {
                    344:        struct tag      *pre;
                    345:        int              had;
1.4       kristaps  346:
1.132     schwarze  347:        for (pre = h->tag; pre != NULL; pre = pre->next)
                    348:                if (pre->tag == TAG_PRE)
                    349:                        break;
                    350:
                    351:        had = pre == NULL ? MAN_fi : MAN_nf;
1.130     schwarze  352:
1.132     schwarze  353:        if (want && want != had) {
                    354:                if (want == MAN_nf)
                    355:                        print_otag(h, TAG_PRE, "");
                    356:                else
                    357:                        print_tagq(h, pre);
                    358:        }
                    359:        return had;
1.4       kristaps  360: }
                    361:
1.5       kristaps  362: static int
1.114     schwarze  363: a2width(const struct roff_node *n, struct roffsu *su)
1.5       kristaps  364: {
1.113     schwarze  365:        if (n->type != ROFFT_TEXT)
1.119     schwarze  366:                return 0;
1.143     schwarze  367:        return a2roffsu(n->string, su, SCALE_EN) != NULL;
1.5       kristaps  368: }
                    369:
1.65      kristaps  370: static void
1.4       kristaps  371: man_root_pre(MAN_ARGS)
                    372: {
                    373:        struct tag      *t, *tt;
1.94      schwarze  374:        char            *title;
1.4       kristaps  375:
1.89      schwarze  376:        assert(man->title);
                    377:        assert(man->msec);
1.94      schwarze  378:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.4       kristaps  379:
1.122     schwarze  380:        t = print_otag(h, TAG_TABLE, "c", "head");
                    381:        tt = print_otag(h, TAG_TR, "");
1.4       kristaps  382:
1.122     schwarze  383:        print_otag(h, TAG_TD, "c", "head-ltitle");
1.4       kristaps  384:        print_text(h, title);
                    385:        print_stagq(h, tt);
                    386:
1.122     schwarze  387:        print_otag(h, TAG_TD, "c", "head-vol");
1.95      schwarze  388:        if (NULL != man->vol)
                    389:                print_text(h, man->vol);
1.4       kristaps  390:        print_stagq(h, tt);
                    391:
1.122     schwarze  392:        print_otag(h, TAG_TD, "c", "head-rtitle");
1.4       kristaps  393:        print_text(h, title);
                    394:        print_tagq(h, t);
1.94      schwarze  395:        free(title);
1.4       kristaps  396: }
                    397:
                    398: static void
                    399: man_root_post(MAN_ARGS)
                    400: {
                    401:        struct tag      *t, *tt;
                    402:
1.122     schwarze  403:        t = print_otag(h, TAG_TABLE, "c", "foot");
                    404:        tt = print_otag(h, TAG_TR, "");
1.55      kristaps  405:
1.122     schwarze  406:        print_otag(h, TAG_TD, "c", "foot-date");
1.89      schwarze  407:        print_text(h, man->date);
1.4       kristaps  408:        print_stagq(h, tt);
                    409:
1.122     schwarze  410:        print_otag(h, TAG_TD, "c", "foot-os");
1.115     schwarze  411:        if (man->os)
                    412:                print_text(h, man->os);
1.4       kristaps  413:        print_tagq(h, t);
                    414: }
                    415:
                    416: static int
                    417: man_SH_pre(MAN_ARGS)
                    418: {
1.134     schwarze  419:        char    *id;
                    420:
                    421:        if (n->type == ROFFT_HEAD) {
                    422:                id = html_make_id(n);
                    423:                print_otag(h, TAG_H1, "cTi", "Sh", id);
1.135     schwarze  424:                if (id != NULL)
                    425:                        print_otag(h, TAG_A, "chR", "selflink", id);
1.134     schwarze  426:                free(id);
                    427:        }
1.119     schwarze  428:        return 1;
1.4       kristaps  429: }
                    430:
                    431: static int
1.8       kristaps  432: man_alt_pre(MAN_ARGS)
                    433: {
1.114     schwarze  434:        const struct roff_node  *nn;
1.130     schwarze  435:        int              i;
1.57      kristaps  436:        enum htmltag     fp;
                    437:        struct tag      *t;
1.8       kristaps  438:
                    439:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
                    440:                switch (n->tok) {
1.93      schwarze  441:                case MAN_BI:
1.57      kristaps  442:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  443:                        break;
1.93      schwarze  444:                case MAN_IB:
1.57      kristaps  445:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  446:                        break;
1.93      schwarze  447:                case MAN_RI:
1.57      kristaps  448:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  449:                        break;
1.93      schwarze  450:                case MAN_IR:
1.57      kristaps  451:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  452:                        break;
1.93      schwarze  453:                case MAN_BR:
1.57      kristaps  454:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  455:                        break;
1.93      schwarze  456:                case MAN_RB:
1.57      kristaps  457:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  458:                        break;
                    459:                default:
                    460:                        abort();
                    461:                }
                    462:
                    463:                if (i)
                    464:                        h->flags |= HTML_NOSPACE;
                    465:
1.130     schwarze  466:                if (fp != TAG_MAX)
1.122     schwarze  467:                        t = print_otag(h, fp, "");
1.57      kristaps  468:
1.130     schwarze  469:                print_text(h, nn->string);
1.57      kristaps  470:
1.130     schwarze  471:                if (fp != TAG_MAX)
1.57      kristaps  472:                        print_tagq(h, t);
1.8       kristaps  473:        }
1.119     schwarze  474:        return 0;
1.8       kristaps  475: }
                    476:
                    477: static int
1.56      kristaps  478: man_SM_pre(MAN_ARGS)
1.8       kristaps  479: {
1.122     schwarze  480:        print_otag(h, TAG_SMALL, "");
1.56      kristaps  481:        if (MAN_SB == n->tok)
1.122     schwarze  482:                print_otag(h, TAG_B, "");
1.119     schwarze  483:        return 1;
1.8       kristaps  484: }
                    485:
                    486: static int
1.4       kristaps  487: man_SS_pre(MAN_ARGS)
                    488: {
1.134     schwarze  489:        char    *id;
                    490:
                    491:        if (n->type == ROFFT_HEAD) {
                    492:                id = html_make_id(n);
                    493:                print_otag(h, TAG_H2, "cTi", "Ss", id);
1.135     schwarze  494:                if (id != NULL)
                    495:                        print_otag(h, TAG_A, "chR", "selflink", id);
1.134     schwarze  496:                free(id);
                    497:        }
1.119     schwarze  498:        return 1;
1.4       kristaps  499: }
                    500:
                    501: static int
                    502: man_PP_pre(MAN_ARGS)
                    503: {
                    504:
1.113     schwarze  505:        if (n->type == ROFFT_HEAD)
1.119     schwarze  506:                return 0;
1.113     schwarze  507:        else if (n->type == ROFFT_BLOCK)
1.74      kristaps  508:                print_bvspace(h, n);
1.47      kristaps  509:
1.119     schwarze  510:        return 1;
1.5       kristaps  511: }
                    512:
                    513: static int
                    514: man_IP_pre(MAN_ARGS)
                    515: {
1.114     schwarze  516:        const struct roff_node  *nn;
1.5       kristaps  517:
1.113     schwarze  518:        if (n->type == ROFFT_BODY) {
1.129     schwarze  519:                print_otag(h, TAG_DD, "c", "It-tag");
1.119     schwarze  520:                return 1;
1.113     schwarze  521:        } else if (n->type != ROFFT_HEAD) {
1.129     schwarze  522:                print_otag(h, TAG_DL, "c", "Bl-tag");
1.119     schwarze  523:                return 1;
1.6       kristaps  524:        }
                    525:
1.78      kristaps  526:        /* FIXME: width specification. */
                    527:
1.129     schwarze  528:        print_otag(h, TAG_DT, "c", "It-tag");
1.6       kristaps  529:
1.59      schwarze  530:        /* For IP, only print the first header element. */
1.7       kristaps  531:
1.59      schwarze  532:        if (MAN_IP == n->tok && n->child)
1.132     schwarze  533:                print_man_node(man, n->child, h);
1.27      kristaps  534:
1.59      schwarze  535:        /* For TP, only print next-line header elements. */
1.6       kristaps  536:
1.91      schwarze  537:        if (MAN_TP == n->tok) {
                    538:                nn = n->child;
1.121     schwarze  539:                while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.91      schwarze  540:                        nn = nn->next;
                    541:                while (NULL != nn) {
1.132     schwarze  542:                        print_man_node(man, nn, h);
1.91      schwarze  543:                        nn = nn->next;
                    544:                }
                    545:        }
1.6       kristaps  546:
1.119     schwarze  547:        return 0;
1.6       kristaps  548: }
                    549:
                    550: static int
                    551: man_HP_pre(MAN_ARGS)
                    552: {
1.122     schwarze  553:        struct roffsu    sum, sui;
1.114     schwarze  554:        const struct roff_node *np;
1.6       kristaps  555:
1.113     schwarze  556:        if (n->type == ROFFT_HEAD)
1.119     schwarze  557:                return 0;
1.113     schwarze  558:        else if (n->type != ROFFT_BLOCK)
1.119     schwarze  559:                return 1;
1.72      kristaps  560:
1.77      kristaps  561:        np = n->head->child;
1.6       kristaps  562:
1.122     schwarze  563:        if (np == NULL || !a2width(np, &sum))
                    564:                SCALE_HS_INIT(&sum, INDENT);
1.6       kristaps  565:
1.122     schwarze  566:        sui.unit = sum.unit;
                    567:        sui.scale = -sum.scale;
1.5       kristaps  568:
1.77      kristaps  569:        print_bvspace(h, n);
1.127     schwarze  570:        print_otag(h, TAG_DIV, "csului", "Pp", &sum, &sui);
1.119     schwarze  571:        return 1;
1.4       kristaps  572: }
1.86      kristaps  573:
                    574: static int
                    575: man_OP_pre(MAN_ARGS)
                    576: {
                    577:        struct tag      *tt;
                    578:
                    579:        print_text(h, "[");
                    580:        h->flags |= HTML_NOSPACE;
1.128     schwarze  581:        tt = print_otag(h, TAG_SPAN, "c", "Op");
1.86      kristaps  582:
                    583:        if (NULL != (n = n->child)) {
1.122     schwarze  584:                print_otag(h, TAG_B, "");
1.86      kristaps  585:                print_text(h, n->string);
                    586:        }
                    587:
                    588:        print_stagq(h, tt);
                    589:
                    590:        if (NULL != n && NULL != n->next) {
1.122     schwarze  591:                print_otag(h, TAG_I, "");
1.86      kristaps  592:                print_text(h, n->next->string);
                    593:        }
                    594:
                    595:        print_stagq(h, tt);
                    596:        h->flags |= HTML_NOSPACE;
                    597:        print_text(h, "]");
1.119     schwarze  598:        return 0;
1.86      kristaps  599: }
                    600:
1.8       kristaps  601: static int
                    602: man_B_pre(MAN_ARGS)
                    603: {
1.122     schwarze  604:        print_otag(h, TAG_B, "");
1.119     schwarze  605:        return 1;
1.8       kristaps  606: }
                    607:
                    608: static int
                    609: man_I_pre(MAN_ARGS)
                    610: {
1.122     schwarze  611:        print_otag(h, TAG_I, "");
1.119     schwarze  612:        return 1;
1.45      kristaps  613: }
                    614:
                    615: static int
                    616: man_in_pre(MAN_ARGS)
                    617: {
1.122     schwarze  618:        print_otag(h, TAG_BR, "");
1.119     schwarze  619:        return 0;
1.8       kristaps  620: }
                    621:
                    622: static int
                    623: man_ign_pre(MAN_ARGS)
                    624: {
                    625:
1.119     schwarze  626:        return 0;
1.8       kristaps  627: }
1.9       kristaps  628:
                    629: static int
                    630: man_RS_pre(MAN_ARGS)
                    631: {
                    632:        struct roffsu    su;
                    633:
1.113     schwarze  634:        if (n->type == ROFFT_HEAD)
1.119     schwarze  635:                return 0;
1.113     schwarze  636:        else if (n->type == ROFFT_BODY)
1.119     schwarze  637:                return 1;
1.9       kristaps  638:
                    639:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  640:        if (n->head->child)
1.9       kristaps  641:                a2width(n->head->child, &su);
                    642:
1.122     schwarze  643:        print_otag(h, TAG_DIV, "sul", &su);
1.119     schwarze  644:        return 1;
1.90      schwarze  645: }
                    646:
                    647: static int
                    648: man_UR_pre(MAN_ARGS)
                    649: {
1.145   ! schwarze  650:        char *cp;
1.90      schwarze  651:        n = n->child;
1.113     schwarze  652:        assert(n->type == ROFFT_HEAD);
1.120     schwarze  653:        if (n->child != NULL) {
1.113     schwarze  654:                assert(n->child->type == ROFFT_TEXT);
1.145   ! schwarze  655:                if (n->tok == MAN_MT) {
        !           656:                        mandoc_asprintf(&cp, "mailto:%s", n->child->string);
        !           657:                        print_otag(h, TAG_A, "cTh", "Mt", cp);
        !           658:                        free(cp);
        !           659:                } else
        !           660:                        print_otag(h, TAG_A, "cTh", "Lk", n->child->string);
1.90      schwarze  661:        }
                    662:
1.113     schwarze  663:        assert(n->next->type == ROFFT_BODY);
1.120     schwarze  664:        if (n->next->child != NULL)
1.90      schwarze  665:                n = n->next;
                    666:
1.132     schwarze  667:        print_man_nodelist(man, n->child, h);
1.90      schwarze  668:
1.119     schwarze  669:        return 0;
1.9       kristaps  670: }

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