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Annotation of mandoc/man_html.c, Revision 1.155

1.155   ! schwarze    1: /*     $Id: man_html.c,v 1.154 2018/08/16 23:43:37 schwarze Exp $ */
1.1       kristaps    2: /*
1.104     kristaps    3:  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
1.147     schwarze    4:  * Copyright (c) 2013,2014,2015,2017,2018 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. */
1.4       kristaps   37:
1.115     schwarze   38: #define        MAN_ARGS          const struct roff_meta *man, \
1.114     schwarze   39:                          const 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:
1.93      schwarze   47: static void              print_bvspace(struct html *,
1.114     schwarze   48:                                const struct roff_node *);
1.147     schwarze   49: static void              print_man_head(const struct roff_meta *,
                     50:                                struct html *);
1.4       kristaps   51: static void              print_man_nodelist(MAN_ARGS);
                     52: static void              print_man_node(MAN_ARGS);
1.132     schwarze   53: static int               fillmode(struct html *, int);
1.8       kristaps   54: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   55: static int               man_HP_pre(MAN_ARGS);
1.86      kristaps   56: static int               man_IP_pre(MAN_ARGS);
1.8       kristaps   57: static int               man_I_pre(MAN_ARGS);
1.86      kristaps   58: static int               man_OP_pre(MAN_ARGS);
1.4       kristaps   59: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   60: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   61: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   62: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   63: static int               man_SS_pre(MAN_ARGS);
1.90      schwarze   64: static int               man_UR_pre(MAN_ARGS);
1.86      kristaps   65: static int               man_alt_pre(MAN_ARGS);
                     66: static int               man_ign_pre(MAN_ARGS);
                     67: static int               man_in_pre(MAN_ARGS);
1.147     schwarze   68: static void              man_root_post(const struct roff_meta *,
                     69:                                struct html *);
                     70: static void              man_root_pre(const struct roff_meta *,
                     71:                                struct html *);
1.4       kristaps   72:
1.155   ! schwarze   73: static const struct man_html_act man_html_acts[MAN_MAX - MAN_TH] = {
1.3       kristaps   74:        { NULL, NULL }, /* TH */
1.4       kristaps   75:        { man_SH_pre, NULL }, /* SH */
                     76:        { man_SS_pre, NULL }, /* SS */
1.6       kristaps   77:        { man_IP_pre, NULL }, /* TP */
1.154     schwarze   78:        { man_IP_pre, NULL }, /* TQ */
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: };
                    112:
1.93      schwarze  113:
1.74      kristaps  114: /*
                    115:  * Printing leading vertical space before a block.
                    116:  * This is used for the paragraph macros.
                    117:  * The rules are pretty simple, since there's very little nesting going
                    118:  * on here.  Basically, if we're the first within another block (SS/SH),
                    119:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    120:  * first, print it.
                    121:  */
                    122: static void
1.114     schwarze  123: print_bvspace(struct html *h, const struct roff_node *n)
1.74      kristaps  124: {
                    125:
                    126:        if (n->body && n->body->child)
1.113     schwarze  127:                if (n->body->child->type == ROFFT_TBL)
1.74      kristaps  128:                        return;
                    129:
1.113     schwarze  130:        if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.74      kristaps  131:                if (NULL == n->prev)
                    132:                        return;
                    133:
1.103     kristaps  134:        print_paragraph(h);
1.74      kristaps  135: }
1.1       kristaps  136:
                    137: void
1.116     schwarze  138: html_man(void *arg, const struct roff_man *man)
1.1       kristaps  139: {
1.147     schwarze  140:        struct html             *h;
                    141:        struct roff_node        *n;
                    142:        struct tag              *t;
1.82      kristaps  143:
1.117     schwarze  144:        h = (struct html *)arg;
1.147     schwarze  145:        n = man->first->child;
1.3       kristaps  146:
1.126     schwarze  147:        if ((h->oflags & HTML_FRAGMENT) == 0) {
1.82      kristaps  148:                print_gen_decls(h);
1.126     schwarze  149:                print_otag(h, TAG_HTML, "");
1.147     schwarze  150:                if (n->type == ROFFT_COMMENT)
                    151:                        print_gen_comment(h, n);
1.126     schwarze  152:                t = print_otag(h, TAG_HEAD, "");
1.147     schwarze  153:                print_man_head(&man->meta, h);
1.126     schwarze  154:                print_tagq(h, t);
1.122     schwarze  155:                print_otag(h, TAG_BODY, "");
1.126     schwarze  156:        }
1.53      kristaps  157:
1.147     schwarze  158:        man_root_pre(&man->meta, h);
1.127     schwarze  159:        t = print_otag(h, TAG_DIV, "c", "manual-text");
1.147     schwarze  160:        print_man_nodelist(&man->meta, n, h);
1.127     schwarze  161:        print_tagq(h, t);
1.147     schwarze  162:        man_root_post(&man->meta, h);
1.126     schwarze  163:        print_tagq(h, NULL);
1.3       kristaps  164: }
                    165:
                    166: static void
1.147     schwarze  167: print_man_head(const struct roff_meta *man, struct html *h)
1.3       kristaps  168: {
1.123     schwarze  169:        char    *cp;
1.3       kristaps  170:
                    171:        print_gen_head(h);
1.123     schwarze  172:        mandoc_asprintf(&cp, "%s(%s)", man->title, man->msec);
1.122     schwarze  173:        print_otag(h, TAG_TITLE, "");
1.123     schwarze  174:        print_text(h, cp);
                    175:        free(cp);
1.1       kristaps  176: }
1.4       kristaps  177:
                    178: static void
                    179: print_man_nodelist(MAN_ARGS)
                    180: {
                    181:
1.110     schwarze  182:        while (n != NULL) {
1.132     schwarze  183:                print_man_node(man, n, h);
1.110     schwarze  184:                n = n->next;
                    185:        }
1.4       kristaps  186: }
                    187:
                    188: static void
                    189: print_man_node(MAN_ARGS)
                    190: {
1.132     schwarze  191:        static int       want_fillmode = MAN_fi;
                    192:        static int       save_fillmode;
                    193:
                    194:        struct tag      *t;
1.4       kristaps  195:        int              child;
                    196:
1.132     schwarze  197:        /*
                    198:         * Handle fill mode switch requests up front,
                    199:         * they would just cause trouble in the subsequent code.
                    200:         */
                    201:
                    202:        switch (n->tok) {
                    203:        case MAN_nf:
                    204:        case MAN_EX:
                    205:                want_fillmode = MAN_nf;
                    206:                return;
                    207:        case MAN_fi:
                    208:        case MAN_EE:
                    209:                want_fillmode = MAN_fi;
                    210:                if (fillmode(h, 0) == MAN_fi)
                    211:                        print_otag(h, TAG_BR, "");
                    212:                return;
                    213:        default:
                    214:                break;
                    215:        }
                    216:
                    217:        /* Set up fill mode for the upcoming node. */
1.4       kristaps  218:
                    219:        switch (n->type) {
1.132     schwarze  220:        case ROFFT_BLOCK:
                    221:                save_fillmode = 0;
                    222:                /* Some block macros suspend or cancel .nf. */
                    223:                switch (n->tok) {
                    224:                case MAN_TP:  /* Tagged paragraphs              */
                    225:                case MAN_IP:  /* temporarily disable .nf        */
                    226:                case MAN_HP:  /* for the head.                  */
                    227:                        save_fillmode = want_fillmode;
                    228:                        /* FALLTHROUGH */
                    229:                case MAN_SH:  /* Section headers                */
                    230:                case MAN_SS:  /* permanently cancel .nf.        */
                    231:                        want_fillmode = MAN_fi;
                    232:                        /* FALLTHROUGH */
                    233:                case MAN_PP:  /* These have no head.            */
                    234:                case MAN_LP:  /* They will simply               */
                    235:                case MAN_P:   /* reopen .nf in the body.        */
                    236:                case MAN_RS:
                    237:                case MAN_UR:
1.145     schwarze  238:                case MAN_MT:
1.132     schwarze  239:                        fillmode(h, MAN_fi);
                    240:                        break;
                    241:                default:
                    242:                        break;
                    243:                }
                    244:                break;
                    245:        case ROFFT_TBL:
                    246:                fillmode(h, MAN_fi);
                    247:                break;
                    248:        case ROFFT_ELEM:
                    249:                /*
                    250:                 * Some in-line macros produce tags and/or text
                    251:                 * in the handler, so they require fill mode to be
                    252:                 * configured up front just like for text nodes.
                    253:                 * For the others, keep the traditional approach
                    254:                 * of doing the same, for now.
                    255:                 */
                    256:                fillmode(h, want_fillmode);
                    257:                break;
1.113     schwarze  258:        case ROFFT_TEXT:
1.132     schwarze  259:                if (fillmode(h, want_fillmode) == MAN_fi &&
                    260:                    want_fillmode == MAN_fi &&
1.142     schwarze  261:                    n->flags & NODE_LINE && *n->string == ' ' &&
                    262:                    (h->flags & HTML_NONEWLINE) == 0)
1.122     schwarze  263:                        print_otag(h, TAG_BR, "");
1.132     schwarze  264:                if (*n->string != '\0')
                    265:                        break;
                    266:                print_paragraph(h);
1.146     schwarze  267:                return;
                    268:        case ROFFT_COMMENT:
1.132     schwarze  269:                return;
                    270:        default:
                    271:                break;
                    272:        }
                    273:
                    274:        /* Produce output for this node. */
                    275:
                    276:        child = 1;
                    277:        switch (n->type) {
                    278:        case ROFFT_TEXT:
                    279:                t = h->tag;
1.4       kristaps  280:                print_text(h, n->string);
1.130     schwarze  281:                break;
1.113     schwarze  282:        case ROFFT_EQN:
1.132     schwarze  283:                t = h->tag;
1.80      kristaps  284:                print_eqn(h, n->eqn);
1.69      kristaps  285:                break;
1.113     schwarze  286:        case ROFFT_TBL:
1.66      kristaps  287:                /*
                    288:                 * This will take care of initialising all of the table
                    289:                 * state data for the first table, then tearing it down
                    290:                 * for the last one.
                    291:                 */
1.60      kristaps  292:                print_tbl(h, n->span);
1.64      kristaps  293:                return;
1.4       kristaps  294:        default:
1.93      schwarze  295:                /*
1.21      kristaps  296:                 * Close out scope of font prior to opening a macro
1.66      kristaps  297:                 * scope.
1.21      kristaps  298:                 */
1.57      kristaps  299:                if (HTMLFONT_NONE != h->metac) {
                    300:                        h->metal = h->metac;
                    301:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  302:                }
                    303:
                    304:                /*
                    305:                 * Close out the current table, if it's open, and unset
                    306:                 * the "meta" table state.  This will be reopened on the
                    307:                 * next table element.
                    308:                 */
1.132     schwarze  309:                if (h->tblt)
1.66      kristaps  310:                        print_tblclose(h);
1.132     schwarze  311:
                    312:                t = h->tag;
1.137     schwarze  313:                if (n->tok < ROFF_MAX) {
1.138     schwarze  314:                        roff_html_pre(h, n);
1.141     schwarze  315:                        child = 0;
1.137     schwarze  316:                        break;
                    317:                }
                    318:
                    319:                assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
1.155   ! schwarze  320:                if (man_html_acts[n->tok - MAN_TH].pre != NULL)
        !           321:                        child = (*man_html_acts[n->tok - MAN_TH].pre)(man,
        !           322:                            n, h);
1.132     schwarze  323:
                    324:                /* Some block macros resume .nf in the body. */
                    325:                if (save_fillmode && n->type == ROFFT_BODY)
                    326:                        want_fillmode = save_fillmode;
                    327:
1.4       kristaps  328:                break;
                    329:        }
                    330:
1.21      kristaps  331:        if (child && n->child)
1.132     schwarze  332:                print_man_nodelist(man, n->child, h);
1.21      kristaps  333:
1.24      kristaps  334:        /* This will automatically close out any font scope. */
1.132     schwarze  335:        print_stagq(h, t);
                    336:
                    337:        if (fillmode(h, 0) == MAN_nf &&
                    338:            n->next != NULL && n->next->flags & NODE_LINE)
                    339:                print_endline(h);
                    340: }
                    341:
                    342: /*
                    343:  * MAN_nf switches to no-fill mode, MAN_fi to fill mode.
                    344:  * Other arguments do not switch.
                    345:  * The old mode is returned.
                    346:  */
                    347: static int
                    348: fillmode(struct html *h, int want)
                    349: {
                    350:        struct tag      *pre;
                    351:        int              had;
1.4       kristaps  352:
1.132     schwarze  353:        for (pre = h->tag; pre != NULL; pre = pre->next)
                    354:                if (pre->tag == TAG_PRE)
                    355:                        break;
                    356:
                    357:        had = pre == NULL ? MAN_fi : MAN_nf;
1.130     schwarze  358:
1.132     schwarze  359:        if (want && want != had) {
                    360:                if (want == MAN_nf)
                    361:                        print_otag(h, TAG_PRE, "");
                    362:                else
                    363:                        print_tagq(h, pre);
                    364:        }
                    365:        return had;
1.4       kristaps  366: }
                    367:
1.65      kristaps  368: static void
1.147     schwarze  369: man_root_pre(const struct roff_meta *man, struct html *h)
1.4       kristaps  370: {
                    371:        struct tag      *t, *tt;
1.94      schwarze  372:        char            *title;
1.4       kristaps  373:
1.89      schwarze  374:        assert(man->title);
                    375:        assert(man->msec);
1.94      schwarze  376:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.4       kristaps  377:
1.122     schwarze  378:        t = print_otag(h, TAG_TABLE, "c", "head");
                    379:        tt = print_otag(h, TAG_TR, "");
1.4       kristaps  380:
1.122     schwarze  381:        print_otag(h, TAG_TD, "c", "head-ltitle");
1.4       kristaps  382:        print_text(h, title);
                    383:        print_stagq(h, tt);
                    384:
1.122     schwarze  385:        print_otag(h, TAG_TD, "c", "head-vol");
1.95      schwarze  386:        if (NULL != man->vol)
                    387:                print_text(h, man->vol);
1.4       kristaps  388:        print_stagq(h, tt);
                    389:
1.122     schwarze  390:        print_otag(h, TAG_TD, "c", "head-rtitle");
1.4       kristaps  391:        print_text(h, title);
                    392:        print_tagq(h, t);
1.94      schwarze  393:        free(title);
1.4       kristaps  394: }
                    395:
                    396: static void
1.147     schwarze  397: man_root_post(const struct roff_meta *man, struct html *h)
1.4       kristaps  398: {
                    399:        struct tag      *t, *tt;
                    400:
1.122     schwarze  401:        t = print_otag(h, TAG_TABLE, "c", "foot");
                    402:        tt = print_otag(h, TAG_TR, "");
1.55      kristaps  403:
1.122     schwarze  404:        print_otag(h, TAG_TD, "c", "foot-date");
1.89      schwarze  405:        print_text(h, man->date);
1.4       kristaps  406:        print_stagq(h, tt);
                    407:
1.122     schwarze  408:        print_otag(h, TAG_TD, "c", "foot-os");
1.115     schwarze  409:        if (man->os)
                    410:                print_text(h, man->os);
1.4       kristaps  411:        print_tagq(h, t);
                    412: }
                    413:
                    414: static int
                    415: man_SH_pre(MAN_ARGS)
                    416: {
1.134     schwarze  417:        char    *id;
                    418:
                    419:        if (n->type == ROFFT_HEAD) {
1.150     schwarze  420:                id = html_make_id(n, 1);
1.134     schwarze  421:                print_otag(h, TAG_H1, "cTi", "Sh", id);
1.135     schwarze  422:                if (id != NULL)
1.148     schwarze  423:                        print_otag(h, TAG_A, "chR", "permalink", id);
1.134     schwarze  424:        }
1.119     schwarze  425:        return 1;
1.4       kristaps  426: }
                    427:
                    428: static int
1.8       kristaps  429: man_alt_pre(MAN_ARGS)
                    430: {
1.114     schwarze  431:        const struct roff_node  *nn;
1.130     schwarze  432:        int              i;
1.57      kristaps  433:        enum htmltag     fp;
                    434:        struct tag      *t;
1.8       kristaps  435:
                    436:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
                    437:                switch (n->tok) {
1.93      schwarze  438:                case MAN_BI:
1.57      kristaps  439:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  440:                        break;
1.93      schwarze  441:                case MAN_IB:
1.57      kristaps  442:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  443:                        break;
1.93      schwarze  444:                case MAN_RI:
1.57      kristaps  445:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  446:                        break;
1.93      schwarze  447:                case MAN_IR:
1.57      kristaps  448:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  449:                        break;
1.93      schwarze  450:                case MAN_BR:
1.57      kristaps  451:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  452:                        break;
1.93      schwarze  453:                case MAN_RB:
1.57      kristaps  454:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  455:                        break;
                    456:                default:
                    457:                        abort();
                    458:                }
                    459:
                    460:                if (i)
                    461:                        h->flags |= HTML_NOSPACE;
                    462:
1.130     schwarze  463:                if (fp != TAG_MAX)
1.122     schwarze  464:                        t = print_otag(h, fp, "");
1.57      kristaps  465:
1.130     schwarze  466:                print_text(h, nn->string);
1.57      kristaps  467:
1.130     schwarze  468:                if (fp != TAG_MAX)
1.57      kristaps  469:                        print_tagq(h, t);
1.8       kristaps  470:        }
1.119     schwarze  471:        return 0;
1.8       kristaps  472: }
                    473:
                    474: static int
1.56      kristaps  475: man_SM_pre(MAN_ARGS)
1.8       kristaps  476: {
1.122     schwarze  477:        print_otag(h, TAG_SMALL, "");
1.56      kristaps  478:        if (MAN_SB == n->tok)
1.122     schwarze  479:                print_otag(h, TAG_B, "");
1.119     schwarze  480:        return 1;
1.8       kristaps  481: }
                    482:
                    483: static int
1.4       kristaps  484: man_SS_pre(MAN_ARGS)
                    485: {
1.134     schwarze  486:        char    *id;
                    487:
                    488:        if (n->type == ROFFT_HEAD) {
1.150     schwarze  489:                id = html_make_id(n, 1);
1.134     schwarze  490:                print_otag(h, TAG_H2, "cTi", "Ss", id);
1.135     schwarze  491:                if (id != NULL)
1.148     schwarze  492:                        print_otag(h, TAG_A, "chR", "permalink", id);
1.134     schwarze  493:        }
1.119     schwarze  494:        return 1;
1.4       kristaps  495: }
                    496:
                    497: static int
                    498: man_PP_pre(MAN_ARGS)
                    499: {
                    500:
1.113     schwarze  501:        if (n->type == ROFFT_HEAD)
1.119     schwarze  502:                return 0;
1.113     schwarze  503:        else if (n->type == ROFFT_BLOCK)
1.74      kristaps  504:                print_bvspace(h, n);
1.47      kristaps  505:
1.119     schwarze  506:        return 1;
1.5       kristaps  507: }
                    508:
                    509: static int
                    510: man_IP_pre(MAN_ARGS)
                    511: {
1.114     schwarze  512:        const struct roff_node  *nn;
1.5       kristaps  513:
1.113     schwarze  514:        if (n->type == ROFFT_BODY) {
1.149     schwarze  515:                print_otag(h, TAG_DD, "");
1.119     schwarze  516:                return 1;
1.113     schwarze  517:        } else if (n->type != ROFFT_HEAD) {
1.129     schwarze  518:                print_otag(h, TAG_DL, "c", "Bl-tag");
1.119     schwarze  519:                return 1;
1.6       kristaps  520:        }
                    521:
1.149     schwarze  522:        print_otag(h, TAG_DT, "");
1.6       kristaps  523:
1.154     schwarze  524:        switch(n->tok) {
                    525:        case MAN_IP:  /* Only print the first header element. */
                    526:                if (n->child != NULL)
                    527:                        print_man_node(man, n->child, h);
                    528:                break;
                    529:        case MAN_TP:  /* Only print next-line header elements. */
                    530:        case MAN_TQ:
1.91      schwarze  531:                nn = n->child;
1.154     schwarze  532:                while (nn != NULL && (NODE_LINE & nn->flags) == 0)
1.91      schwarze  533:                        nn = nn->next;
1.154     schwarze  534:                while (nn != NULL) {
1.132     schwarze  535:                        print_man_node(man, nn, h);
1.91      schwarze  536:                        nn = nn->next;
                    537:                }
1.154     schwarze  538:                break;
                    539:        default:
                    540:                abort();
1.91      schwarze  541:        }
1.6       kristaps  542:
1.119     schwarze  543:        return 0;
1.6       kristaps  544: }
                    545:
                    546: static int
                    547: man_HP_pre(MAN_ARGS)
                    548: {
1.113     schwarze  549:        if (n->type == ROFFT_HEAD)
1.119     schwarze  550:                return 0;
1.72      kristaps  551:
1.151     schwarze  552:        if (n->type == ROFFT_BLOCK) {
                    553:                print_bvspace(h, n);
                    554:                print_otag(h, TAG_DIV, "c", "HP");
                    555:        }
1.119     schwarze  556:        return 1;
1.4       kristaps  557: }
1.86      kristaps  558:
                    559: static int
                    560: man_OP_pre(MAN_ARGS)
                    561: {
                    562:        struct tag      *tt;
                    563:
                    564:        print_text(h, "[");
                    565:        h->flags |= HTML_NOSPACE;
1.128     schwarze  566:        tt = print_otag(h, TAG_SPAN, "c", "Op");
1.86      kristaps  567:
                    568:        if (NULL != (n = n->child)) {
1.122     schwarze  569:                print_otag(h, TAG_B, "");
1.86      kristaps  570:                print_text(h, n->string);
                    571:        }
                    572:
                    573:        print_stagq(h, tt);
                    574:
                    575:        if (NULL != n && NULL != n->next) {
1.122     schwarze  576:                print_otag(h, TAG_I, "");
1.86      kristaps  577:                print_text(h, n->next->string);
                    578:        }
                    579:
                    580:        print_stagq(h, tt);
                    581:        h->flags |= HTML_NOSPACE;
                    582:        print_text(h, "]");
1.119     schwarze  583:        return 0;
1.86      kristaps  584: }
                    585:
1.8       kristaps  586: static int
                    587: man_B_pre(MAN_ARGS)
                    588: {
1.122     schwarze  589:        print_otag(h, TAG_B, "");
1.119     schwarze  590:        return 1;
1.8       kristaps  591: }
                    592:
                    593: static int
                    594: man_I_pre(MAN_ARGS)
                    595: {
1.122     schwarze  596:        print_otag(h, TAG_I, "");
1.119     schwarze  597:        return 1;
1.45      kristaps  598: }
                    599:
                    600: static int
                    601: man_in_pre(MAN_ARGS)
                    602: {
1.122     schwarze  603:        print_otag(h, TAG_BR, "");
1.119     schwarze  604:        return 0;
1.8       kristaps  605: }
                    606:
                    607: static int
                    608: man_ign_pre(MAN_ARGS)
                    609: {
                    610:
1.119     schwarze  611:        return 0;
1.8       kristaps  612: }
1.9       kristaps  613:
                    614: static int
                    615: man_RS_pre(MAN_ARGS)
                    616: {
1.113     schwarze  617:        if (n->type == ROFFT_HEAD)
1.119     schwarze  618:                return 0;
1.152     schwarze  619:        if (n->type == ROFFT_BLOCK)
                    620:                print_otag(h, TAG_DIV, "c", "Bd-indent");
1.119     schwarze  621:        return 1;
1.90      schwarze  622: }
                    623:
                    624: static int
                    625: man_UR_pre(MAN_ARGS)
                    626: {
1.145     schwarze  627:        char *cp;
1.90      schwarze  628:        n = n->child;
1.113     schwarze  629:        assert(n->type == ROFFT_HEAD);
1.120     schwarze  630:        if (n->child != NULL) {
1.113     schwarze  631:                assert(n->child->type == ROFFT_TEXT);
1.145     schwarze  632:                if (n->tok == MAN_MT) {
                    633:                        mandoc_asprintf(&cp, "mailto:%s", n->child->string);
                    634:                        print_otag(h, TAG_A, "cTh", "Mt", cp);
                    635:                        free(cp);
                    636:                } else
                    637:                        print_otag(h, TAG_A, "cTh", "Lk", n->child->string);
1.90      schwarze  638:        }
                    639:
1.113     schwarze  640:        assert(n->next->type == ROFFT_BODY);
1.120     schwarze  641:        if (n->next->child != NULL)
1.90      schwarze  642:                n = n->next;
                    643:
1.132     schwarze  644:        print_man_nodelist(man, n->child, h);
1.90      schwarze  645:
1.119     schwarze  646:        return 0;
1.9       kristaps  647: }

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