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Annotation of src/usr.bin/mandoc/man_html.c, Revision 1.100

1.100   ! schwarze    1: /*     $OpenBSD: man_html.c,v 1.99 2018/04/11 17:10:35 schwarze Exp $ */
1.1       schwarze    2: /*
1.56      schwarze    3:  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
1.100   ! schwarze    4:  * Copyright (c) 2013,2014,2015,2017,2018 Ingo Schwarze <schwarze@openbsd.org>
1.1       schwarze    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:  *
1.66      schwarze   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1       schwarze   11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.66      schwarze   12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1       schwarze   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:  */
                     18: #include <sys/types.h>
                     19:
                     20: #include <assert.h>
                     21: #include <ctype.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
1.53      schwarze   26: #include "mandoc_aux.h"
1.97      schwarze   27: #include "mandoc.h"
1.66      schwarze   28: #include "roff.h"
1.58      schwarze   29: #include "man.h"
1.1       schwarze   30: #include "out.h"
                     31: #include "html.h"
                     32: #include "main.h"
                     33:
1.2       schwarze   34: /* FIXME: have PD set the default vspace width. */
1.1       schwarze   35:
                     36: #define        INDENT            5
                     37:
1.68      schwarze   38: #define        MAN_ARGS          const struct roff_meta *man, \
1.67      schwarze   39:                          const struct roff_node *n, \
1.1       schwarze   40:                          struct html *h
                     41:
                     42: struct htmlman {
                     43:        int             (*pre)(MAN_ARGS);
                     44:        int             (*post)(MAN_ARGS);
                     45: };
                     46:
1.52      schwarze   47: static void              print_bvspace(struct html *,
1.67      schwarze   48:                                const struct roff_node *);
1.100   ! schwarze   49: static void              print_man_head(const struct roff_meta *,
        !            50:                                struct html *);
1.1       schwarze   51: static void              print_man_nodelist(MAN_ARGS);
                     52: static void              print_man_node(MAN_ARGS);
1.85      schwarze   53: static int               fillmode(struct html *, int);
1.67      schwarze   54: static int               a2width(const struct roff_node *,
1.1       schwarze   55:                                struct roffsu *);
                     56: static int               man_B_pre(MAN_ARGS);
                     57: static int               man_HP_pre(MAN_ARGS);
1.46      schwarze   58: static int               man_IP_pre(MAN_ARGS);
1.1       schwarze   59: static int               man_I_pre(MAN_ARGS);
1.46      schwarze   60: static int               man_OP_pre(MAN_ARGS);
1.1       schwarze   61: static int               man_PP_pre(MAN_ARGS);
                     62: static int               man_RS_pre(MAN_ARGS);
                     63: static int               man_SH_pre(MAN_ARGS);
                     64: static int               man_SM_pre(MAN_ARGS);
                     65: static int               man_SS_pre(MAN_ARGS);
1.49      schwarze   66: static int               man_UR_pre(MAN_ARGS);
1.46      schwarze   67: static int               man_alt_pre(MAN_ARGS);
                     68: static int               man_ign_pre(MAN_ARGS);
                     69: static int               man_in_pre(MAN_ARGS);
1.100   ! schwarze   70: static void              man_root_post(const struct roff_meta *,
        !            71:                                struct html *);
        !            72: static void              man_root_pre(const struct roff_meta *,
        !            73:                                struct html *);
1.1       schwarze   74:
1.89      schwarze   75: static const struct htmlman __mans[MAN_MAX - MAN_TH] = {
1.1       schwarze   76:        { NULL, NULL }, /* TH */
                     77:        { man_SH_pre, NULL }, /* SH */
                     78:        { man_SS_pre, NULL }, /* SS */
                     79:        { man_IP_pre, NULL }, /* TP */
                     80:        { man_PP_pre, NULL }, /* LP */
                     81:        { man_PP_pre, NULL }, /* PP */
                     82:        { man_PP_pre, NULL }, /* P */
                     83:        { man_IP_pre, NULL }, /* IP */
1.52      schwarze   84:        { man_HP_pre, NULL }, /* HP */
1.1       schwarze   85:        { man_SM_pre, NULL }, /* SM */
1.26      schwarze   86:        { man_SM_pre, NULL }, /* SB */
1.1       schwarze   87:        { man_alt_pre, NULL }, /* BI */
                     88:        { man_alt_pre, NULL }, /* IB */
                     89:        { man_alt_pre, NULL }, /* BR */
                     90:        { man_alt_pre, NULL }, /* RB */
                     91:        { NULL, NULL }, /* R */
                     92:        { man_B_pre, NULL }, /* B */
                     93:        { man_I_pre, NULL }, /* I */
                     94:        { man_alt_pre, NULL }, /* IR */
                     95:        { man_alt_pre, NULL }, /* RI */
1.85      schwarze   96:        { NULL, NULL }, /* nf */
                     97:        { NULL, NULL }, /* fi */
1.1       schwarze   98:        { NULL, NULL }, /* RE */
                     99:        { man_RS_pre, NULL }, /* RS */
                    100:        { man_ign_pre, NULL }, /* DT */
                    101:        { man_ign_pre, NULL }, /* UC */
1.2       schwarze  102:        { man_ign_pre, NULL }, /* PD */
1.13      schwarze  103:        { man_ign_pre, NULL }, /* AT */
1.18      schwarze  104:        { man_in_pre, NULL }, /* in */
1.46      schwarze  105:        { man_OP_pre, NULL }, /* OP */
1.85      schwarze  106:        { NULL, NULL }, /* EX */
                    107:        { NULL, NULL }, /* EE */
1.49      schwarze  108:        { man_UR_pre, NULL }, /* UR */
                    109:        { NULL, NULL }, /* UE */
1.98      bentley   110:        { man_UR_pre, NULL }, /* MT */
                    111:        { NULL, NULL }, /* ME */
1.1       schwarze  112: };
1.89      schwarze  113: static const struct htmlman *const mans = __mans - MAN_TH;
1.1       schwarze  114:
1.52      schwarze  115:
1.39      schwarze  116: /*
                    117:  * Printing leading vertical space before a block.
                    118:  * This is used for the paragraph macros.
                    119:  * The rules are pretty simple, since there's very little nesting going
                    120:  * on here.  Basically, if we're the first within another block (SS/SH),
                    121:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    122:  * first, print it.
                    123:  */
                    124: static void
1.67      schwarze  125: print_bvspace(struct html *h, const struct roff_node *n)
1.39      schwarze  126: {
                    127:
                    128:        if (n->body && n->body->child)
1.66      schwarze  129:                if (n->body->child->type == ROFFT_TBL)
1.39      schwarze  130:                        return;
                    131:
1.66      schwarze  132:        if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.39      schwarze  133:                if (NULL == n->prev)
                    134:                        return;
                    135:
1.56      schwarze  136:        print_paragraph(h);
1.39      schwarze  137: }
1.1       schwarze  138:
                    139: void
1.69      schwarze  140: html_man(void *arg, const struct roff_man *man)
1.1       schwarze  141: {
1.100   ! schwarze  142:        struct html             *h;
        !           143:        struct roff_node        *n;
        !           144:        struct tag              *t;
1.43      schwarze  145:
1.70      schwarze  146:        h = (struct html *)arg;
1.100   ! schwarze  147:        n = man->first->child;
1.1       schwarze  148:
1.79      schwarze  149:        if ((h->oflags & HTML_FRAGMENT) == 0) {
1.43      schwarze  150:                print_gen_decls(h);
1.79      schwarze  151:                print_otag(h, TAG_HTML, "");
1.100   ! schwarze  152:                if (n->type == ROFFT_COMMENT)
        !           153:                        print_gen_comment(h, n);
1.79      schwarze  154:                t = print_otag(h, TAG_HEAD, "");
1.100   ! schwarze  155:                print_man_head(&man->meta, h);
1.79      schwarze  156:                print_tagq(h, t);
1.75      schwarze  157:                print_otag(h, TAG_BODY, "");
1.79      schwarze  158:        }
1.25      schwarze  159:
1.100   ! schwarze  160:        man_root_pre(&man->meta, h);
1.80      schwarze  161:        t = print_otag(h, TAG_DIV, "c", "manual-text");
1.100   ! schwarze  162:        print_man_nodelist(&man->meta, n, h);
1.80      schwarze  163:        print_tagq(h, t);
1.100   ! schwarze  164:        man_root_post(&man->meta, h);
1.79      schwarze  165:        print_tagq(h, NULL);
1.1       schwarze  166: }
                    167:
                    168: static void
1.100   ! schwarze  169: print_man_head(const struct roff_meta *man, struct html *h)
1.1       schwarze  170: {
1.76      schwarze  171:        char    *cp;
1.1       schwarze  172:
                    173:        print_gen_head(h);
1.76      schwarze  174:        mandoc_asprintf(&cp, "%s(%s)", man->title, man->msec);
1.75      schwarze  175:        print_otag(h, TAG_TITLE, "");
1.76      schwarze  176:        print_text(h, cp);
                    177:        free(cp);
1.1       schwarze  178: }
                    179:
                    180: static void
                    181: print_man_nodelist(MAN_ARGS)
                    182: {
                    183:
1.63      schwarze  184:        while (n != NULL) {
1.85      schwarze  185:                print_man_node(man, n, h);
1.63      schwarze  186:                n = n->next;
                    187:        }
1.1       schwarze  188: }
                    189:
                    190: static void
                    191: print_man_node(MAN_ARGS)
                    192: {
1.85      schwarze  193:        static int       want_fillmode = MAN_fi;
                    194:        static int       save_fillmode;
                    195:
                    196:        struct tag      *t;
1.1       schwarze  197:        int              child;
                    198:
1.85      schwarze  199:        /*
                    200:         * Handle fill mode switch requests up front,
                    201:         * they would just cause trouble in the subsequent code.
                    202:         */
                    203:
                    204:        switch (n->tok) {
                    205:        case MAN_nf:
                    206:        case MAN_EX:
                    207:                want_fillmode = MAN_nf;
                    208:                return;
                    209:        case MAN_fi:
                    210:        case MAN_EE:
                    211:                want_fillmode = MAN_fi;
                    212:                if (fillmode(h, 0) == MAN_fi)
                    213:                        print_otag(h, TAG_BR, "");
                    214:                return;
                    215:        default:
                    216:                break;
                    217:        }
                    218:
                    219:        /* Set up fill mode for the upcoming node. */
1.1       schwarze  220:
                    221:        switch (n->type) {
1.85      schwarze  222:        case ROFFT_BLOCK:
                    223:                save_fillmode = 0;
                    224:                /* Some block macros suspend or cancel .nf. */
                    225:                switch (n->tok) {
                    226:                case MAN_TP:  /* Tagged paragraphs              */
                    227:                case MAN_IP:  /* temporarily disable .nf        */
                    228:                case MAN_HP:  /* for the head.                  */
                    229:                        save_fillmode = want_fillmode;
                    230:                        /* FALLTHROUGH */
                    231:                case MAN_SH:  /* Section headers                */
                    232:                case MAN_SS:  /* permanently cancel .nf.        */
                    233:                        want_fillmode = MAN_fi;
                    234:                        /* FALLTHROUGH */
                    235:                case MAN_PP:  /* These have no head.            */
                    236:                case MAN_LP:  /* They will simply               */
                    237:                case MAN_P:   /* reopen .nf in the body.        */
                    238:                case MAN_RS:
                    239:                case MAN_UR:
1.98      bentley   240:                case MAN_MT:
1.85      schwarze  241:                        fillmode(h, MAN_fi);
                    242:                        break;
                    243:                default:
                    244:                        break;
                    245:                }
                    246:                break;
                    247:        case ROFFT_TBL:
                    248:                fillmode(h, MAN_fi);
                    249:                break;
                    250:        case ROFFT_ELEM:
                    251:                /*
                    252:                 * Some in-line macros produce tags and/or text
                    253:                 * in the handler, so they require fill mode to be
                    254:                 * configured up front just like for text nodes.
                    255:                 * For the others, keep the traditional approach
                    256:                 * of doing the same, for now.
                    257:                 */
                    258:                fillmode(h, want_fillmode);
                    259:                break;
1.66      schwarze  260:        case ROFFT_TEXT:
1.85      schwarze  261:                if (fillmode(h, want_fillmode) == MAN_fi &&
                    262:                    want_fillmode == MAN_fi &&
1.95      schwarze  263:                    n->flags & NODE_LINE && *n->string == ' ' &&
                    264:                    (h->flags & HTML_NONEWLINE) == 0)
1.75      schwarze  265:                        print_otag(h, TAG_BR, "");
1.85      schwarze  266:                if (*n->string != '\0')
                    267:                        break;
                    268:                print_paragraph(h);
1.99      schwarze  269:                return;
                    270:        case ROFFT_COMMENT:
1.85      schwarze  271:                return;
                    272:        default:
                    273:                break;
                    274:        }
                    275:
                    276:        /* Produce output for this node. */
                    277:
                    278:        child = 1;
                    279:        switch (n->type) {
                    280:        case ROFFT_TEXT:
                    281:                t = h->tag;
1.1       schwarze  282:                print_text(h, n->string);
1.83      schwarze  283:                break;
1.66      schwarze  284:        case ROFFT_EQN:
1.85      schwarze  285:                t = h->tag;
1.41      schwarze  286:                print_eqn(h, n->eqn);
1.37      schwarze  287:                break;
1.66      schwarze  288:        case ROFFT_TBL:
1.33      schwarze  289:                /*
                    290:                 * This will take care of initialising all of the table
                    291:                 * state data for the first table, then tearing it down
                    292:                 * for the last one.
                    293:                 */
1.29      schwarze  294:                print_tbl(h, n->span);
1.32      schwarze  295:                return;
1.1       schwarze  296:        default:
1.52      schwarze  297:                /*
1.4       schwarze  298:                 * Close out scope of font prior to opening a macro
1.33      schwarze  299:                 * scope.
1.4       schwarze  300:                 */
1.27      schwarze  301:                if (HTMLFONT_NONE != h->metac) {
                    302:                        h->metal = h->metac;
                    303:                        h->metac = HTMLFONT_NONE;
1.33      schwarze  304:                }
                    305:
                    306:                /*
                    307:                 * Close out the current table, if it's open, and unset
                    308:                 * the "meta" table state.  This will be reopened on the
                    309:                 * next table element.
                    310:                 */
1.85      schwarze  311:                if (h->tblt)
1.33      schwarze  312:                        print_tblclose(h);
1.85      schwarze  313:
                    314:                t = h->tag;
1.90      schwarze  315:                if (n->tok < ROFF_MAX) {
1.91      schwarze  316:                        roff_html_pre(h, n);
1.94      schwarze  317:                        child = 0;
1.90      schwarze  318:                        break;
                    319:                }
                    320:
                    321:                assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
1.1       schwarze  322:                if (mans[n->tok].pre)
1.85      schwarze  323:                        child = (*mans[n->tok].pre)(man, n, h);
                    324:
                    325:                /* Some block macros resume .nf in the body. */
                    326:                if (save_fillmode && n->type == ROFFT_BODY)
                    327:                        want_fillmode = save_fillmode;
                    328:
1.1       schwarze  329:                break;
                    330:        }
                    331:
                    332:        if (child && n->child)
1.85      schwarze  333:                print_man_nodelist(man, n->child, h);
1.1       schwarze  334:
1.4       schwarze  335:        /* This will automatically close out any font scope. */
1.85      schwarze  336:        print_stagq(h, t);
                    337:
                    338:        if (fillmode(h, 0) == MAN_nf &&
                    339:            n->next != NULL && n->next->flags & NODE_LINE)
                    340:                print_endline(h);
                    341: }
                    342:
                    343: /*
                    344:  * MAN_nf switches to no-fill mode, MAN_fi to fill mode.
                    345:  * Other arguments do not switch.
                    346:  * The old mode is returned.
                    347:  */
                    348: static int
                    349: fillmode(struct html *h, int want)
                    350: {
                    351:        struct tag      *pre;
                    352:        int              had;
1.1       schwarze  353:
1.85      schwarze  354:        for (pre = h->tag; pre != NULL; pre = pre->next)
                    355:                if (pre->tag == TAG_PRE)
                    356:                        break;
                    357:
                    358:        had = pre == NULL ? MAN_fi : MAN_nf;
1.83      schwarze  359:
1.85      schwarze  360:        if (want && want != had) {
                    361:                if (want == MAN_nf)
                    362:                        print_otag(h, TAG_PRE, "");
                    363:                else
                    364:                        print_tagq(h, pre);
                    365:        }
                    366:        return had;
1.1       schwarze  367: }
                    368:
                    369: static int
1.67      schwarze  370: a2width(const struct roff_node *n, struct roffsu *su)
1.1       schwarze  371: {
1.66      schwarze  372:        if (n->type != ROFFT_TEXT)
1.72      schwarze  373:                return 0;
1.96      schwarze  374:        return a2roffsu(n->string, su, SCALE_EN) != NULL;
1.1       schwarze  375: }
                    376:
1.38      schwarze  377: static void
1.100   ! schwarze  378: man_root_pre(const struct roff_meta *man, struct html *h)
1.1       schwarze  379: {
                    380:        struct tag      *t, *tt;
1.53      schwarze  381:        char            *title;
1.1       schwarze  382:
1.48      schwarze  383:        assert(man->title);
                    384:        assert(man->msec);
1.53      schwarze  385:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.1       schwarze  386:
1.75      schwarze  387:        t = print_otag(h, TAG_TABLE, "c", "head");
                    388:        tt = print_otag(h, TAG_TR, "");
1.1       schwarze  389:
1.75      schwarze  390:        print_otag(h, TAG_TD, "c", "head-ltitle");
1.1       schwarze  391:        print_text(h, title);
                    392:        print_stagq(h, tt);
                    393:
1.75      schwarze  394:        print_otag(h, TAG_TD, "c", "head-vol");
1.54      schwarze  395:        if (NULL != man->vol)
                    396:                print_text(h, man->vol);
1.1       schwarze  397:        print_stagq(h, tt);
                    398:
1.75      schwarze  399:        print_otag(h, TAG_TD, "c", "head-rtitle");
1.1       schwarze  400:        print_text(h, title);
                    401:        print_tagq(h, t);
1.53      schwarze  402:        free(title);
1.1       schwarze  403: }
                    404:
                    405: static void
1.100   ! schwarze  406: man_root_post(const struct roff_meta *man, struct html *h)
1.1       schwarze  407: {
                    408:        struct tag      *t, *tt;
                    409:
1.75      schwarze  410:        t = print_otag(h, TAG_TABLE, "c", "foot");
                    411:        tt = print_otag(h, TAG_TR, "");
1.25      schwarze  412:
1.75      schwarze  413:        print_otag(h, TAG_TD, "c", "foot-date");
1.48      schwarze  414:        print_text(h, man->date);
1.1       schwarze  415:        print_stagq(h, tt);
                    416:
1.75      schwarze  417:        print_otag(h, TAG_TD, "c", "foot-os");
1.68      schwarze  418:        if (man->os)
                    419:                print_text(h, man->os);
1.1       schwarze  420:        print_tagq(h, t);
                    421: }
                    422:
                    423: static int
                    424: man_SH_pre(MAN_ARGS)
                    425: {
1.87      schwarze  426:        char    *id;
                    427:
                    428:        if (n->type == ROFFT_HEAD) {
                    429:                id = html_make_id(n);
                    430:                print_otag(h, TAG_H1, "cTi", "Sh", id);
1.88      schwarze  431:                if (id != NULL)
                    432:                        print_otag(h, TAG_A, "chR", "selflink", id);
1.87      schwarze  433:                free(id);
                    434:        }
1.72      schwarze  435:        return 1;
1.1       schwarze  436: }
                    437:
                    438: static int
                    439: man_alt_pre(MAN_ARGS)
                    440: {
1.67      schwarze  441:        const struct roff_node  *nn;
1.83      schwarze  442:        int              i;
1.27      schwarze  443:        enum htmltag     fp;
                    444:        struct tag      *t;
1.1       schwarze  445:
                    446:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
                    447:                switch (n->tok) {
1.52      schwarze  448:                case MAN_BI:
1.27      schwarze  449:                        fp = i % 2 ? TAG_I : TAG_B;
1.1       schwarze  450:                        break;
1.52      schwarze  451:                case MAN_IB:
1.27      schwarze  452:                        fp = i % 2 ? TAG_B : TAG_I;
1.1       schwarze  453:                        break;
1.52      schwarze  454:                case MAN_RI:
1.27      schwarze  455:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.1       schwarze  456:                        break;
1.52      schwarze  457:                case MAN_IR:
1.27      schwarze  458:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.1       schwarze  459:                        break;
1.52      schwarze  460:                case MAN_BR:
1.27      schwarze  461:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.1       schwarze  462:                        break;
1.52      schwarze  463:                case MAN_RB:
1.27      schwarze  464:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.1       schwarze  465:                        break;
                    466:                default:
                    467:                        abort();
                    468:                }
                    469:
                    470:                if (i)
                    471:                        h->flags |= HTML_NOSPACE;
                    472:
1.83      schwarze  473:                if (fp != TAG_MAX)
1.75      schwarze  474:                        t = print_otag(h, fp, "");
1.27      schwarze  475:
1.83      schwarze  476:                print_text(h, nn->string);
1.27      schwarze  477:
1.83      schwarze  478:                if (fp != TAG_MAX)
1.27      schwarze  479:                        print_tagq(h, t);
1.1       schwarze  480:        }
1.72      schwarze  481:        return 0;
1.1       schwarze  482: }
                    483:
                    484: static int
1.26      schwarze  485: man_SM_pre(MAN_ARGS)
1.1       schwarze  486: {
1.75      schwarze  487:        print_otag(h, TAG_SMALL, "");
1.26      schwarze  488:        if (MAN_SB == n->tok)
1.75      schwarze  489:                print_otag(h, TAG_B, "");
1.72      schwarze  490:        return 1;
1.1       schwarze  491: }
                    492:
                    493: static int
                    494: man_SS_pre(MAN_ARGS)
                    495: {
1.87      schwarze  496:        char    *id;
                    497:
                    498:        if (n->type == ROFFT_HEAD) {
                    499:                id = html_make_id(n);
                    500:                print_otag(h, TAG_H2, "cTi", "Ss", id);
1.88      schwarze  501:                if (id != NULL)
                    502:                        print_otag(h, TAG_A, "chR", "selflink", id);
1.87      schwarze  503:                free(id);
                    504:        }
1.72      schwarze  505:        return 1;
1.1       schwarze  506: }
                    507:
                    508: static int
                    509: man_PP_pre(MAN_ARGS)
                    510: {
                    511:
1.66      schwarze  512:        if (n->type == ROFFT_HEAD)
1.72      schwarze  513:                return 0;
1.66      schwarze  514:        else if (n->type == ROFFT_BLOCK)
1.39      schwarze  515:                print_bvspace(h, n);
1.22      schwarze  516:
1.72      schwarze  517:        return 1;
1.1       schwarze  518: }
                    519:
                    520: static int
                    521: man_IP_pre(MAN_ARGS)
                    522: {
1.67      schwarze  523:        const struct roff_node  *nn;
1.1       schwarze  524:
1.66      schwarze  525:        if (n->type == ROFFT_BODY) {
1.82      schwarze  526:                print_otag(h, TAG_DD, "c", "It-tag");
1.72      schwarze  527:                return 1;
1.66      schwarze  528:        } else if (n->type != ROFFT_HEAD) {
1.82      schwarze  529:                print_otag(h, TAG_DL, "c", "Bl-tag");
1.72      schwarze  530:                return 1;
1.1       schwarze  531:        }
                    532:
1.40      schwarze  533:        /* FIXME: width specification. */
1.7       schwarze  534:
1.82      schwarze  535:        print_otag(h, TAG_DT, "c", "It-tag");
1.1       schwarze  536:
1.28      schwarze  537:        /* For IP, only print the first header element. */
1.1       schwarze  538:
1.28      schwarze  539:        if (MAN_IP == n->tok && n->child)
1.85      schwarze  540:                print_man_node(man, n->child, h);
1.7       schwarze  541:
1.28      schwarze  542:        /* For TP, only print next-line header elements. */
1.1       schwarze  543:
1.50      schwarze  544:        if (MAN_TP == n->tok) {
                    545:                nn = n->child;
1.74      schwarze  546:                while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.50      schwarze  547:                        nn = nn->next;
                    548:                while (NULL != nn) {
1.85      schwarze  549:                        print_man_node(man, nn, h);
1.50      schwarze  550:                        nn = nn->next;
                    551:                }
                    552:        }
1.1       schwarze  553:
1.72      schwarze  554:        return 0;
1.1       schwarze  555: }
                    556:
                    557: static int
                    558: man_HP_pre(MAN_ARGS)
                    559: {
1.75      schwarze  560:        struct roffsu    sum, sui;
1.67      schwarze  561:        const struct roff_node *np;
1.1       schwarze  562:
1.66      schwarze  563:        if (n->type == ROFFT_HEAD)
1.72      schwarze  564:                return 0;
1.66      schwarze  565:        else if (n->type != ROFFT_BLOCK)
1.72      schwarze  566:                return 1;
1.38      schwarze  567:
1.40      schwarze  568:        np = n->head->child;
1.1       schwarze  569:
1.75      schwarze  570:        if (np == NULL || !a2width(np, &sum))
                    571:                SCALE_HS_INIT(&sum, INDENT);
1.1       schwarze  572:
1.75      schwarze  573:        sui.unit = sum.unit;
                    574:        sui.scale = -sum.scale;
1.1       schwarze  575:
1.40      schwarze  576:        print_bvspace(h, n);
1.80      schwarze  577:        print_otag(h, TAG_DIV, "csului", "Pp", &sum, &sui);
1.72      schwarze  578:        return 1;
1.1       schwarze  579: }
1.46      schwarze  580:
                    581: static int
                    582: man_OP_pre(MAN_ARGS)
                    583: {
                    584:        struct tag      *tt;
                    585:
                    586:        print_text(h, "[");
                    587:        h->flags |= HTML_NOSPACE;
1.81      schwarze  588:        tt = print_otag(h, TAG_SPAN, "c", "Op");
1.46      schwarze  589:
                    590:        if (NULL != (n = n->child)) {
1.75      schwarze  591:                print_otag(h, TAG_B, "");
1.46      schwarze  592:                print_text(h, n->string);
                    593:        }
                    594:
                    595:        print_stagq(h, tt);
                    596:
                    597:        if (NULL != n && NULL != n->next) {
1.75      schwarze  598:                print_otag(h, TAG_I, "");
1.46      schwarze  599:                print_text(h, n->next->string);
                    600:        }
                    601:
                    602:        print_stagq(h, tt);
                    603:        h->flags |= HTML_NOSPACE;
                    604:        print_text(h, "]");
1.72      schwarze  605:        return 0;
1.46      schwarze  606: }
                    607:
1.1       schwarze  608: static int
                    609: man_B_pre(MAN_ARGS)
                    610: {
1.75      schwarze  611:        print_otag(h, TAG_B, "");
1.72      schwarze  612:        return 1;
1.1       schwarze  613: }
                    614:
                    615: static int
                    616: man_I_pre(MAN_ARGS)
                    617: {
1.75      schwarze  618:        print_otag(h, TAG_I, "");
1.72      schwarze  619:        return 1;
1.18      schwarze  620: }
                    621:
                    622: static int
                    623: man_in_pre(MAN_ARGS)
                    624: {
1.75      schwarze  625:        print_otag(h, TAG_BR, "");
1.72      schwarze  626:        return 0;
1.1       schwarze  627: }
                    628:
                    629: static int
                    630: man_ign_pre(MAN_ARGS)
                    631: {
                    632:
1.72      schwarze  633:        return 0;
1.1       schwarze  634: }
                    635:
                    636: static int
                    637: man_RS_pre(MAN_ARGS)
                    638: {
                    639:        struct roffsu    su;
                    640:
1.66      schwarze  641:        if (n->type == ROFFT_HEAD)
1.72      schwarze  642:                return 0;
1.66      schwarze  643:        else if (n->type == ROFFT_BODY)
1.72      schwarze  644:                return 1;
1.1       schwarze  645:
                    646:        SCALE_HS_INIT(&su, INDENT);
1.26      schwarze  647:        if (n->head->child)
1.1       schwarze  648:                a2width(n->head->child, &su);
                    649:
1.75      schwarze  650:        print_otag(h, TAG_DIV, "sul", &su);
1.72      schwarze  651:        return 1;
1.49      schwarze  652: }
                    653:
                    654: static int
                    655: man_UR_pre(MAN_ARGS)
                    656: {
1.98      bentley   657:        char *cp;
1.49      schwarze  658:        n = n->child;
1.66      schwarze  659:        assert(n->type == ROFFT_HEAD);
1.73      schwarze  660:        if (n->child != NULL) {
1.66      schwarze  661:                assert(n->child->type == ROFFT_TEXT);
1.98      bentley   662:                if (n->tok == MAN_MT) {
                    663:                        mandoc_asprintf(&cp, "mailto:%s", n->child->string);
                    664:                        print_otag(h, TAG_A, "cTh", "Mt", cp);
                    665:                        free(cp);
                    666:                } else
                    667:                        print_otag(h, TAG_A, "cTh", "Lk", n->child->string);
1.49      schwarze  668:        }
                    669:
1.66      schwarze  670:        assert(n->next->type == ROFFT_BODY);
1.73      schwarze  671:        if (n->next->child != NULL)
1.49      schwarze  672:                n = n->next;
                    673:
1.85      schwarze  674:        print_man_nodelist(man, n->child, h);
1.49      schwarze  675:
1.72      schwarze  676:        return 0;
1.1       schwarze  677: }