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Annotation of mandoc/man_html.c, Revision 1.157

1.157   ! schwarze    1: /*     $Id: man_html.c,v 1.156 2018/08/18 02:08:27 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);
1.156     schwarze   64: static int               man_SY_pre(MAN_ARGS);
1.90      schwarze   65: static int               man_UR_pre(MAN_ARGS);
1.86      kristaps   66: static int               man_alt_pre(MAN_ARGS);
                     67: static int               man_ign_pre(MAN_ARGS);
                     68: static int               man_in_pre(MAN_ARGS);
1.147     schwarze   69: static void              man_root_post(const struct roff_meta *,
                     70:                                struct html *);
                     71: static void              man_root_pre(const struct roff_meta *,
                     72:                                struct html *);
1.4       kristaps   73:
1.155     schwarze   74: static const struct man_html_act man_html_acts[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 */
1.154     schwarze   79:        { man_IP_pre, NULL }, /* TQ */
1.4       kristaps   80:        { man_PP_pre, NULL }, /* LP */
                     81:        { man_PP_pre, NULL }, /* PP */
                     82:        { man_PP_pre, NULL }, /* P */
1.5       kristaps   83:        { man_IP_pre, NULL }, /* IP */
1.93      schwarze   84:        { man_HP_pre, NULL }, /* HP */
1.8       kristaps   85:        { man_SM_pre, NULL }, /* SM */
1.56      kristaps   86:        { man_SM_pre, NULL }, /* SB */
1.8       kristaps   87:        { man_alt_pre, NULL }, /* BI */
                     88:        { man_alt_pre, NULL }, /* IB */
                     89:        { man_alt_pre, NULL }, /* BR */
                     90:        { man_alt_pre, NULL }, /* RB */
1.3       kristaps   91:        { NULL, NULL }, /* R */
1.8       kristaps   92:        { man_B_pre, NULL }, /* B */
                     93:        { man_I_pre, NULL }, /* I */
                     94:        { man_alt_pre, NULL }, /* IR */
                     95:        { man_alt_pre, NULL }, /* RI */
1.132     schwarze   96:        { NULL, NULL }, /* nf */
                     97:        { NULL, NULL }, /* fi */
1.3       kristaps   98:        { NULL, NULL }, /* RE */
1.9       kristaps   99:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps  100:        { man_ign_pre, NULL }, /* DT */
                    101:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  102:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     103:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  104:        { man_in_pre, NULL }, /* in */
1.156     schwarze  105:        { man_SY_pre, NULL }, /* SY */
                    106:        { NULL, NULL }, /* YS */
1.86      kristaps  107:        { man_OP_pre, NULL }, /* OP */
1.132     schwarze  108:        { NULL, NULL }, /* EX */
                    109:        { NULL, NULL }, /* EE */
1.90      schwarze  110:        { man_UR_pre, NULL }, /* UR */
                    111:        { NULL, NULL }, /* UE */
1.145     schwarze  112:        { man_UR_pre, NULL }, /* MT */
                    113:        { NULL, NULL }, /* ME */
1.3       kristaps  114: };
                    115:
1.93      schwarze  116:
1.74      kristaps  117: /*
                    118:  * Printing leading vertical space before a block.
                    119:  * This is used for the paragraph macros.
                    120:  * The rules are pretty simple, since there's very little nesting going
                    121:  * on here.  Basically, if we're the first within another block (SS/SH),
                    122:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    123:  * first, print it.
                    124:  */
                    125: static void
1.114     schwarze  126: print_bvspace(struct html *h, const struct roff_node *n)
1.74      kristaps  127: {
                    128:
                    129:        if (n->body && n->body->child)
1.113     schwarze  130:                if (n->body->child->type == ROFFT_TBL)
1.74      kristaps  131:                        return;
                    132:
1.113     schwarze  133:        if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.74      kristaps  134:                if (NULL == n->prev)
                    135:                        return;
                    136:
1.103     kristaps  137:        print_paragraph(h);
1.74      kristaps  138: }
1.1       kristaps  139:
                    140: void
1.116     schwarze  141: html_man(void *arg, const struct roff_man *man)
1.1       kristaps  142: {
1.147     schwarze  143:        struct html             *h;
                    144:        struct roff_node        *n;
                    145:        struct tag              *t;
1.82      kristaps  146:
1.117     schwarze  147:        h = (struct html *)arg;
1.147     schwarze  148:        n = man->first->child;
1.3       kristaps  149:
1.126     schwarze  150:        if ((h->oflags & HTML_FRAGMENT) == 0) {
1.82      kristaps  151:                print_gen_decls(h);
1.126     schwarze  152:                print_otag(h, TAG_HTML, "");
1.147     schwarze  153:                if (n->type == ROFFT_COMMENT)
                    154:                        print_gen_comment(h, n);
1.126     schwarze  155:                t = print_otag(h, TAG_HEAD, "");
1.147     schwarze  156:                print_man_head(&man->meta, h);
1.126     schwarze  157:                print_tagq(h, t);
1.122     schwarze  158:                print_otag(h, TAG_BODY, "");
1.126     schwarze  159:        }
1.53      kristaps  160:
1.147     schwarze  161:        man_root_pre(&man->meta, h);
1.127     schwarze  162:        t = print_otag(h, TAG_DIV, "c", "manual-text");
1.147     schwarze  163:        print_man_nodelist(&man->meta, n, h);
1.127     schwarze  164:        print_tagq(h, t);
1.147     schwarze  165:        man_root_post(&man->meta, h);
1.126     schwarze  166:        print_tagq(h, NULL);
1.3       kristaps  167: }
                    168:
                    169: static void
1.147     schwarze  170: print_man_head(const struct roff_meta *man, struct html *h)
1.3       kristaps  171: {
1.123     schwarze  172:        char    *cp;
1.3       kristaps  173:
                    174:        print_gen_head(h);
1.123     schwarze  175:        mandoc_asprintf(&cp, "%s(%s)", man->title, man->msec);
1.122     schwarze  176:        print_otag(h, TAG_TITLE, "");
1.123     schwarze  177:        print_text(h, cp);
                    178:        free(cp);
1.1       kristaps  179: }
1.4       kristaps  180:
                    181: static void
                    182: print_man_nodelist(MAN_ARGS)
                    183: {
                    184:
1.110     schwarze  185:        while (n != NULL) {
1.132     schwarze  186:                print_man_node(man, n, h);
1.110     schwarze  187:                n = n->next;
                    188:        }
1.4       kristaps  189: }
                    190:
                    191: static void
                    192: print_man_node(MAN_ARGS)
                    193: {
1.132     schwarze  194:        static int       want_fillmode = MAN_fi;
                    195:        static int       save_fillmode;
                    196:
                    197:        struct tag      *t;
1.4       kristaps  198:        int              child;
                    199:
1.132     schwarze  200:        /*
                    201:         * Handle fill mode switch requests up front,
                    202:         * they would just cause trouble in the subsequent code.
                    203:         */
                    204:
                    205:        switch (n->tok) {
                    206:        case MAN_nf:
                    207:        case MAN_EX:
                    208:                want_fillmode = MAN_nf;
                    209:                return;
                    210:        case MAN_fi:
                    211:        case MAN_EE:
                    212:                want_fillmode = MAN_fi;
                    213:                if (fillmode(h, 0) == MAN_fi)
                    214:                        print_otag(h, TAG_BR, "");
                    215:                return;
                    216:        default:
                    217:                break;
                    218:        }
                    219:
                    220:        /* Set up fill mode for the upcoming node. */
1.4       kristaps  221:
                    222:        switch (n->type) {
1.132     schwarze  223:        case ROFFT_BLOCK:
                    224:                save_fillmode = 0;
                    225:                /* Some block macros suspend or cancel .nf. */
                    226:                switch (n->tok) {
                    227:                case MAN_TP:  /* Tagged paragraphs              */
                    228:                case MAN_IP:  /* temporarily disable .nf        */
                    229:                case MAN_HP:  /* for the head.                  */
                    230:                        save_fillmode = want_fillmode;
                    231:                        /* FALLTHROUGH */
                    232:                case MAN_SH:  /* Section headers                */
                    233:                case MAN_SS:  /* permanently cancel .nf.        */
                    234:                        want_fillmode = MAN_fi;
                    235:                        /* FALLTHROUGH */
                    236:                case MAN_PP:  /* These have no head.            */
                    237:                case MAN_LP:  /* They will simply               */
                    238:                case MAN_P:   /* reopen .nf in the body.        */
                    239:                case MAN_RS:
                    240:                case MAN_UR:
1.145     schwarze  241:                case MAN_MT:
1.132     schwarze  242:                        fillmode(h, MAN_fi);
                    243:                        break;
                    244:                default:
                    245:                        break;
                    246:                }
                    247:                break;
                    248:        case ROFFT_TBL:
                    249:                fillmode(h, MAN_fi);
                    250:                break;
                    251:        case ROFFT_ELEM:
                    252:                /*
                    253:                 * Some in-line macros produce tags and/or text
                    254:                 * in the handler, so they require fill mode to be
                    255:                 * configured up front just like for text nodes.
                    256:                 * For the others, keep the traditional approach
                    257:                 * of doing the same, for now.
                    258:                 */
                    259:                fillmode(h, want_fillmode);
                    260:                break;
1.113     schwarze  261:        case ROFFT_TEXT:
1.132     schwarze  262:                if (fillmode(h, want_fillmode) == MAN_fi &&
                    263:                    want_fillmode == MAN_fi &&
1.142     schwarze  264:                    n->flags & NODE_LINE && *n->string == ' ' &&
                    265:                    (h->flags & HTML_NONEWLINE) == 0)
1.122     schwarze  266:                        print_otag(h, TAG_BR, "");
1.157   ! schwarze  267:                if (want_fillmode == MAN_nf || *n->string != '\0')
1.132     schwarze  268:                        break;
                    269:                print_paragraph(h);
1.146     schwarze  270:                return;
                    271:        case ROFFT_COMMENT:
1.132     schwarze  272:                return;
                    273:        default:
                    274:                break;
                    275:        }
                    276:
                    277:        /* Produce output for this node. */
                    278:
                    279:        child = 1;
                    280:        switch (n->type) {
                    281:        case ROFFT_TEXT:
                    282:                t = h->tag;
1.4       kristaps  283:                print_text(h, n->string);
1.130     schwarze  284:                break;
1.113     schwarze  285:        case ROFFT_EQN:
1.132     schwarze  286:                t = h->tag;
1.80      kristaps  287:                print_eqn(h, n->eqn);
1.69      kristaps  288:                break;
1.113     schwarze  289:        case ROFFT_TBL:
1.66      kristaps  290:                /*
                    291:                 * This will take care of initialising all of the table
                    292:                 * state data for the first table, then tearing it down
                    293:                 * for the last one.
                    294:                 */
1.60      kristaps  295:                print_tbl(h, n->span);
1.64      kristaps  296:                return;
1.4       kristaps  297:        default:
1.93      schwarze  298:                /*
1.21      kristaps  299:                 * Close out scope of font prior to opening a macro
1.66      kristaps  300:                 * scope.
1.21      kristaps  301:                 */
1.57      kristaps  302:                if (HTMLFONT_NONE != h->metac) {
                    303:                        h->metal = h->metac;
                    304:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  305:                }
                    306:
                    307:                /*
                    308:                 * Close out the current table, if it's open, and unset
                    309:                 * the "meta" table state.  This will be reopened on the
                    310:                 * next table element.
                    311:                 */
1.132     schwarze  312:                if (h->tblt)
1.66      kristaps  313:                        print_tblclose(h);
1.132     schwarze  314:
                    315:                t = h->tag;
1.137     schwarze  316:                if (n->tok < ROFF_MAX) {
1.138     schwarze  317:                        roff_html_pre(h, n);
1.141     schwarze  318:                        child = 0;
1.137     schwarze  319:                        break;
                    320:                }
                    321:
                    322:                assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
1.155     schwarze  323:                if (man_html_acts[n->tok - MAN_TH].pre != NULL)
                    324:                        child = (*man_html_acts[n->tok - MAN_TH].pre)(man,
                    325:                            n, h);
1.132     schwarze  326:
                    327:                /* Some block macros resume .nf in the body. */
                    328:                if (save_fillmode && n->type == ROFFT_BODY)
                    329:                        want_fillmode = save_fillmode;
                    330:
1.4       kristaps  331:                break;
                    332:        }
                    333:
1.21      kristaps  334:        if (child && n->child)
1.132     schwarze  335:                print_man_nodelist(man, n->child, h);
1.21      kristaps  336:
1.24      kristaps  337:        /* This will automatically close out any font scope. */
1.132     schwarze  338:        print_stagq(h, t);
                    339:
                    340:        if (fillmode(h, 0) == MAN_nf &&
1.157   ! schwarze  341:            n->next != NULL && n->next->flags & NODE_LINE) {
        !           342:                /* In .nf = <pre>, print even empty lines. */
        !           343:                h->col++;
1.132     schwarze  344:                print_endline(h);
1.157   ! schwarze  345:        }
1.132     schwarze  346: }
                    347:
                    348: /*
                    349:  * MAN_nf switches to no-fill mode, MAN_fi to fill mode.
                    350:  * Other arguments do not switch.
                    351:  * The old mode is returned.
                    352:  */
                    353: static int
                    354: fillmode(struct html *h, int want)
                    355: {
                    356:        struct tag      *pre;
                    357:        int              had;
1.4       kristaps  358:
1.132     schwarze  359:        for (pre = h->tag; pre != NULL; pre = pre->next)
                    360:                if (pre->tag == TAG_PRE)
                    361:                        break;
                    362:
                    363:        had = pre == NULL ? MAN_fi : MAN_nf;
1.130     schwarze  364:
1.132     schwarze  365:        if (want && want != had) {
                    366:                if (want == MAN_nf)
                    367:                        print_otag(h, TAG_PRE, "");
                    368:                else
                    369:                        print_tagq(h, pre);
                    370:        }
                    371:        return had;
1.4       kristaps  372: }
                    373:
1.65      kristaps  374: static void
1.147     schwarze  375: man_root_pre(const struct roff_meta *man, struct html *h)
1.4       kristaps  376: {
                    377:        struct tag      *t, *tt;
1.94      schwarze  378:        char            *title;
1.4       kristaps  379:
1.89      schwarze  380:        assert(man->title);
                    381:        assert(man->msec);
1.94      schwarze  382:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.4       kristaps  383:
1.122     schwarze  384:        t = print_otag(h, TAG_TABLE, "c", "head");
                    385:        tt = print_otag(h, TAG_TR, "");
1.4       kristaps  386:
1.122     schwarze  387:        print_otag(h, TAG_TD, "c", "head-ltitle");
1.4       kristaps  388:        print_text(h, title);
                    389:        print_stagq(h, tt);
                    390:
1.122     schwarze  391:        print_otag(h, TAG_TD, "c", "head-vol");
1.95      schwarze  392:        if (NULL != man->vol)
                    393:                print_text(h, man->vol);
1.4       kristaps  394:        print_stagq(h, tt);
                    395:
1.122     schwarze  396:        print_otag(h, TAG_TD, "c", "head-rtitle");
1.4       kristaps  397:        print_text(h, title);
                    398:        print_tagq(h, t);
1.94      schwarze  399:        free(title);
1.4       kristaps  400: }
                    401:
                    402: static void
1.147     schwarze  403: man_root_post(const struct roff_meta *man, struct html *h)
1.4       kristaps  404: {
                    405:        struct tag      *t, *tt;
                    406:
1.122     schwarze  407:        t = print_otag(h, TAG_TABLE, "c", "foot");
                    408:        tt = print_otag(h, TAG_TR, "");
1.55      kristaps  409:
1.122     schwarze  410:        print_otag(h, TAG_TD, "c", "foot-date");
1.89      schwarze  411:        print_text(h, man->date);
1.4       kristaps  412:        print_stagq(h, tt);
                    413:
1.122     schwarze  414:        print_otag(h, TAG_TD, "c", "foot-os");
1.115     schwarze  415:        if (man->os)
                    416:                print_text(h, man->os);
1.4       kristaps  417:        print_tagq(h, t);
                    418: }
                    419:
                    420: static int
                    421: man_SH_pre(MAN_ARGS)
                    422: {
1.134     schwarze  423:        char    *id;
                    424:
                    425:        if (n->type == ROFFT_HEAD) {
1.150     schwarze  426:                id = html_make_id(n, 1);
1.134     schwarze  427:                print_otag(h, TAG_H1, "cTi", "Sh", id);
1.135     schwarze  428:                if (id != NULL)
1.148     schwarze  429:                        print_otag(h, TAG_A, "chR", "permalink", id);
1.134     schwarze  430:        }
1.119     schwarze  431:        return 1;
1.4       kristaps  432: }
                    433:
                    434: static int
1.8       kristaps  435: man_alt_pre(MAN_ARGS)
                    436: {
1.114     schwarze  437:        const struct roff_node  *nn;
1.130     schwarze  438:        int              i;
1.57      kristaps  439:        enum htmltag     fp;
                    440:        struct tag      *t;
1.8       kristaps  441:
                    442:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
                    443:                switch (n->tok) {
1.93      schwarze  444:                case MAN_BI:
1.57      kristaps  445:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  446:                        break;
1.93      schwarze  447:                case MAN_IB:
1.57      kristaps  448:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  449:                        break;
1.93      schwarze  450:                case MAN_RI:
1.57      kristaps  451:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  452:                        break;
1.93      schwarze  453:                case MAN_IR:
1.57      kristaps  454:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  455:                        break;
1.93      schwarze  456:                case MAN_BR:
1.57      kristaps  457:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  458:                        break;
1.93      schwarze  459:                case MAN_RB:
1.57      kristaps  460:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  461:                        break;
                    462:                default:
                    463:                        abort();
                    464:                }
                    465:
                    466:                if (i)
                    467:                        h->flags |= HTML_NOSPACE;
                    468:
1.130     schwarze  469:                if (fp != TAG_MAX)
1.122     schwarze  470:                        t = print_otag(h, fp, "");
1.57      kristaps  471:
1.130     schwarze  472:                print_text(h, nn->string);
1.57      kristaps  473:
1.130     schwarze  474:                if (fp != TAG_MAX)
1.57      kristaps  475:                        print_tagq(h, t);
1.8       kristaps  476:        }
1.119     schwarze  477:        return 0;
1.8       kristaps  478: }
                    479:
                    480: static int
1.56      kristaps  481: man_SM_pre(MAN_ARGS)
1.8       kristaps  482: {
1.122     schwarze  483:        print_otag(h, TAG_SMALL, "");
1.56      kristaps  484:        if (MAN_SB == n->tok)
1.122     schwarze  485:                print_otag(h, TAG_B, "");
1.119     schwarze  486:        return 1;
1.8       kristaps  487: }
                    488:
                    489: static int
1.4       kristaps  490: man_SS_pre(MAN_ARGS)
                    491: {
1.134     schwarze  492:        char    *id;
                    493:
                    494:        if (n->type == ROFFT_HEAD) {
1.150     schwarze  495:                id = html_make_id(n, 1);
1.134     schwarze  496:                print_otag(h, TAG_H2, "cTi", "Ss", id);
1.135     schwarze  497:                if (id != NULL)
1.148     schwarze  498:                        print_otag(h, TAG_A, "chR", "permalink", id);
1.134     schwarze  499:        }
1.119     schwarze  500:        return 1;
1.4       kristaps  501: }
                    502:
                    503: static int
                    504: man_PP_pre(MAN_ARGS)
                    505: {
                    506:
1.113     schwarze  507:        if (n->type == ROFFT_HEAD)
1.119     schwarze  508:                return 0;
1.113     schwarze  509:        else if (n->type == ROFFT_BLOCK)
1.74      kristaps  510:                print_bvspace(h, n);
1.47      kristaps  511:
1.119     schwarze  512:        return 1;
1.5       kristaps  513: }
                    514:
                    515: static int
                    516: man_IP_pre(MAN_ARGS)
                    517: {
1.114     schwarze  518:        const struct roff_node  *nn;
1.5       kristaps  519:
1.113     schwarze  520:        if (n->type == ROFFT_BODY) {
1.149     schwarze  521:                print_otag(h, TAG_DD, "");
1.119     schwarze  522:                return 1;
1.113     schwarze  523:        } else if (n->type != ROFFT_HEAD) {
1.129     schwarze  524:                print_otag(h, TAG_DL, "c", "Bl-tag");
1.119     schwarze  525:                return 1;
1.6       kristaps  526:        }
                    527:
1.149     schwarze  528:        print_otag(h, TAG_DT, "");
1.6       kristaps  529:
1.154     schwarze  530:        switch(n->tok) {
                    531:        case MAN_IP:  /* Only print the first header element. */
                    532:                if (n->child != NULL)
                    533:                        print_man_node(man, n->child, h);
                    534:                break;
                    535:        case MAN_TP:  /* Only print next-line header elements. */
                    536:        case MAN_TQ:
1.91      schwarze  537:                nn = n->child;
1.154     schwarze  538:                while (nn != NULL && (NODE_LINE & nn->flags) == 0)
1.91      schwarze  539:                        nn = nn->next;
1.154     schwarze  540:                while (nn != NULL) {
1.132     schwarze  541:                        print_man_node(man, nn, h);
1.91      schwarze  542:                        nn = nn->next;
                    543:                }
1.154     schwarze  544:                break;
                    545:        default:
                    546:                abort();
1.91      schwarze  547:        }
1.6       kristaps  548:
1.119     schwarze  549:        return 0;
1.6       kristaps  550: }
                    551:
                    552: static int
                    553: man_HP_pre(MAN_ARGS)
                    554: {
1.113     schwarze  555:        if (n->type == ROFFT_HEAD)
1.119     schwarze  556:                return 0;
1.72      kristaps  557:
1.151     schwarze  558:        if (n->type == ROFFT_BLOCK) {
                    559:                print_bvspace(h, n);
                    560:                print_otag(h, TAG_DIV, "c", "HP");
                    561:        }
1.119     schwarze  562:        return 1;
1.4       kristaps  563: }
1.86      kristaps  564:
                    565: static int
                    566: man_OP_pre(MAN_ARGS)
                    567: {
                    568:        struct tag      *tt;
                    569:
                    570:        print_text(h, "[");
                    571:        h->flags |= HTML_NOSPACE;
1.128     schwarze  572:        tt = print_otag(h, TAG_SPAN, "c", "Op");
1.86      kristaps  573:
                    574:        if (NULL != (n = n->child)) {
1.122     schwarze  575:                print_otag(h, TAG_B, "");
1.86      kristaps  576:                print_text(h, n->string);
                    577:        }
                    578:
                    579:        print_stagq(h, tt);
                    580:
                    581:        if (NULL != n && NULL != n->next) {
1.122     schwarze  582:                print_otag(h, TAG_I, "");
1.86      kristaps  583:                print_text(h, n->next->string);
                    584:        }
                    585:
                    586:        print_stagq(h, tt);
                    587:        h->flags |= HTML_NOSPACE;
                    588:        print_text(h, "]");
1.119     schwarze  589:        return 0;
1.86      kristaps  590: }
                    591:
1.8       kristaps  592: static int
                    593: man_B_pre(MAN_ARGS)
                    594: {
1.122     schwarze  595:        print_otag(h, TAG_B, "");
1.119     schwarze  596:        return 1;
1.8       kristaps  597: }
                    598:
                    599: static int
                    600: man_I_pre(MAN_ARGS)
                    601: {
1.122     schwarze  602:        print_otag(h, TAG_I, "");
1.119     schwarze  603:        return 1;
1.45      kristaps  604: }
                    605:
                    606: static int
                    607: man_in_pre(MAN_ARGS)
                    608: {
1.122     schwarze  609:        print_otag(h, TAG_BR, "");
1.119     schwarze  610:        return 0;
1.8       kristaps  611: }
                    612:
                    613: static int
                    614: man_ign_pre(MAN_ARGS)
                    615: {
                    616:
1.119     schwarze  617:        return 0;
1.8       kristaps  618: }
1.9       kristaps  619:
                    620: static int
                    621: man_RS_pre(MAN_ARGS)
                    622: {
1.113     schwarze  623:        if (n->type == ROFFT_HEAD)
1.119     schwarze  624:                return 0;
1.152     schwarze  625:        if (n->type == ROFFT_BLOCK)
                    626:                print_otag(h, TAG_DIV, "c", "Bd-indent");
1.156     schwarze  627:        return 1;
                    628: }
                    629:
                    630: static int
                    631: man_SY_pre(MAN_ARGS)
                    632: {
                    633:        switch (n->type) {
                    634:        case ROFFT_BLOCK:
                    635:                print_otag(h, TAG_TABLE, "c", "Nm");
                    636:                print_otag(h, TAG_TR, "");
                    637:                break;
                    638:        case ROFFT_HEAD:
                    639:                print_otag(h, TAG_TD, "");
                    640:                print_otag(h, TAG_CODE, "cT", "Nm");
                    641:                break;
                    642:        case ROFFT_BODY:
                    643:                print_otag(h, TAG_TD, "");
                    644:                break;
                    645:        default:
                    646:                abort();
                    647:        }
1.119     schwarze  648:        return 1;
1.90      schwarze  649: }
                    650:
                    651: static int
                    652: man_UR_pre(MAN_ARGS)
                    653: {
1.145     schwarze  654:        char *cp;
1.90      schwarze  655:        n = n->child;
1.113     schwarze  656:        assert(n->type == ROFFT_HEAD);
1.120     schwarze  657:        if (n->child != NULL) {
1.113     schwarze  658:                assert(n->child->type == ROFFT_TEXT);
1.145     schwarze  659:                if (n->tok == MAN_MT) {
                    660:                        mandoc_asprintf(&cp, "mailto:%s", n->child->string);
                    661:                        print_otag(h, TAG_A, "cTh", "Mt", cp);
                    662:                        free(cp);
                    663:                } else
                    664:                        print_otag(h, TAG_A, "cTh", "Lk", n->child->string);
1.90      schwarze  665:        }
                    666:
1.113     schwarze  667:        assert(n->next->type == ROFFT_BODY);
1.120     schwarze  668:        if (n->next->child != NULL)
1.90      schwarze  669:                n = n->next;
                    670:
1.132     schwarze  671:        print_man_nodelist(man, n->child, h);
1.90      schwarze  672:
1.119     schwarze  673:        return 0;
1.9       kristaps  674: }

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