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Annotation of mandoc/man_html.c, Revision 1.132

1.132   ! schwarze    1: /*     $Id: man_html.c,v 1.131 2017/01/29 14:02:42 schwarze Exp $ */
1.1       kristaps    2: /*
1.104     kristaps    3:  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
1.122     schwarze    4:  * Copyright (c) 2013, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
1.113     schwarze   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1       kristaps   11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.113     schwarze   12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1       kristaps   13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
1.25      kristaps   18: #include "config.h"
                     19:
1.1       kristaps   20: #include <sys/types.h>
                     21:
1.5       kristaps   22: #include <assert.h>
                     23: #include <ctype.h>
1.2       kristaps   24: #include <stdio.h>
1.1       kristaps   25: #include <stdlib.h>
1.4       kristaps   26: #include <string.h>
1.1       kristaps   27:
1.94      schwarze   28: #include "mandoc_aux.h"
1.113     schwarze   29: #include "roff.h"
1.105     schwarze   30: #include "man.h"
1.7       kristaps   31: #include "out.h"
1.1       kristaps   32: #include "html.h"
1.10      kristaps   33: #include "main.h"
1.1       kristaps   34:
1.13      kristaps   35: /* FIXME: have PD set the default vspace width. */
1.6       kristaps   36:
                     37: #define        INDENT            5
1.4       kristaps   38:
1.115     schwarze   39: #define        MAN_ARGS          const struct roff_meta *man, \
1.114     schwarze   40:                          const struct roff_node *n, \
1.3       kristaps   41:                          struct html *h
                     42:
                     43: struct htmlman {
                     44:        int             (*pre)(MAN_ARGS);
                     45:        int             (*post)(MAN_ARGS);
                     46: };
                     47:
1.93      schwarze   48: static void              print_bvspace(struct html *,
1.114     schwarze   49:                                const struct roff_node *);
1.3       kristaps   50: static void              print_man_head(MAN_ARGS);
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);
1.114     schwarze   54: static int               a2width(const struct roff_node *,
1.7       kristaps   55:                                struct roffsu *);
1.8       kristaps   56: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   57: static int               man_HP_pre(MAN_ARGS);
1.86      kristaps   58: static int               man_IP_pre(MAN_ARGS);
1.8       kristaps   59: static int               man_I_pre(MAN_ARGS);
1.86      kristaps   60: static int               man_OP_pre(MAN_ARGS);
1.4       kristaps   61: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   62: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   63: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   64: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   65: static int               man_SS_pre(MAN_ARGS);
1.90      schwarze   66: static int               man_UR_pre(MAN_ARGS);
1.86      kristaps   67: static int               man_alt_pre(MAN_ARGS);
                     68: static int               man_br_pre(MAN_ARGS);
                     69: static int               man_ign_pre(MAN_ARGS);
                     70: static int               man_in_pre(MAN_ARGS);
                     71: static void              man_root_post(MAN_ARGS);
                     72: static void              man_root_pre(MAN_ARGS);
1.4       kristaps   73:
1.3       kristaps   74: static const struct htmlman mans[MAN_MAX] = {
1.4       kristaps   75:        { man_br_pre, NULL }, /* br */
1.3       kristaps   76:        { NULL, NULL }, /* TH */
1.4       kristaps   77:        { man_SH_pre, NULL }, /* SH */
                     78:        { man_SS_pre, NULL }, /* SS */
1.6       kristaps   79:        { man_IP_pre, NULL }, /* TP */
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 */
1.4       kristaps   96:        { man_br_pre, NULL }, /* sp */
1.132   ! schwarze   97:        { NULL, NULL }, /* nf */
        !            98:        { NULL, NULL }, /* fi */
1.3       kristaps   99:        { NULL, NULL }, /* RE */
1.9       kristaps  100:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps  101:        { man_ign_pre, NULL }, /* DT */
                    102:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  103:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     104:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  105:        { man_in_pre, NULL }, /* in */
1.51      kristaps  106:        { man_ign_pre, NULL }, /* ft */
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 */
1.92      schwarze  112:        { man_ign_pre, NULL }, /* ll */
1.3       kristaps  113: };
                    114:
1.93      schwarze  115:
1.74      kristaps  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
1.114     schwarze  125: print_bvspace(struct html *h, const struct roff_node *n)
1.74      kristaps  126: {
                    127:
                    128:        if (n->body && n->body->child)
1.113     schwarze  129:                if (n->body->child->type == ROFFT_TBL)
1.74      kristaps  130:                        return;
                    131:
1.113     schwarze  132:        if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.74      kristaps  133:                if (NULL == n->prev)
                    134:                        return;
                    135:
1.103     kristaps  136:        print_paragraph(h);
1.74      kristaps  137: }
1.1       kristaps  138:
                    139: void
1.116     schwarze  140: html_man(void *arg, const struct roff_man *man)
1.1       kristaps  141: {
1.117     schwarze  142:        struct html     *h;
1.126     schwarze  143:        struct tag      *t;
1.82      kristaps  144:
1.117     schwarze  145:        h = (struct html *)arg;
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, "");
                    150:                t = print_otag(h, TAG_HEAD, "");
1.132   ! schwarze  151:                print_man_head(&man->meta, man->first, h);
1.126     schwarze  152:                print_tagq(h, t);
1.122     schwarze  153:                print_otag(h, TAG_BODY, "");
1.126     schwarze  154:        }
1.53      kristaps  155:
1.132   ! schwarze  156:        man_root_pre(&man->meta, man->first, h);
1.127     schwarze  157:        t = print_otag(h, TAG_DIV, "c", "manual-text");
1.132   ! schwarze  158:        print_man_nodelist(&man->meta, man->first->child, h);
1.127     schwarze  159:        print_tagq(h, t);
1.132   ! schwarze  160:        man_root_post(&man->meta, man->first, h);
1.126     schwarze  161:        print_tagq(h, NULL);
1.3       kristaps  162: }
                    163:
                    164: static void
                    165: print_man_head(MAN_ARGS)
                    166: {
1.123     schwarze  167:        char    *cp;
1.3       kristaps  168:
                    169:        print_gen_head(h);
1.123     schwarze  170:        mandoc_asprintf(&cp, "%s(%s)", man->title, man->msec);
1.122     schwarze  171:        print_otag(h, TAG_TITLE, "");
1.123     schwarze  172:        print_text(h, cp);
                    173:        free(cp);
1.1       kristaps  174: }
1.4       kristaps  175:
                    176: static void
                    177: print_man_nodelist(MAN_ARGS)
                    178: {
                    179:
1.110     schwarze  180:        while (n != NULL) {
1.132   ! schwarze  181:                print_man_node(man, n, h);
1.110     schwarze  182:                n = n->next;
                    183:        }
1.4       kristaps  184: }
                    185:
                    186: static void
                    187: print_man_node(MAN_ARGS)
                    188: {
1.132   ! schwarze  189:        static int       want_fillmode = MAN_fi;
        !           190:        static int       save_fillmode;
        !           191:
        !           192:        struct tag      *t;
1.4       kristaps  193:        int              child;
                    194:
1.132   ! schwarze  195:        /*
        !           196:         * Handle fill mode switch requests up front,
        !           197:         * they would just cause trouble in the subsequent code.
        !           198:         */
        !           199:
        !           200:        switch (n->tok) {
        !           201:        case MAN_nf:
        !           202:        case MAN_EX:
        !           203:                want_fillmode = MAN_nf;
        !           204:                return;
        !           205:        case MAN_fi:
        !           206:        case MAN_EE:
        !           207:                want_fillmode = MAN_fi;
        !           208:                if (fillmode(h, 0) == MAN_fi)
        !           209:                        print_otag(h, TAG_BR, "");
        !           210:                return;
        !           211:        default:
        !           212:                break;
        !           213:        }
        !           214:
        !           215:        /* Set up fill mode for the upcoming node. */
1.4       kristaps  216:
                    217:        switch (n->type) {
1.132   ! schwarze  218:        case ROFFT_BLOCK:
        !           219:                save_fillmode = 0;
        !           220:                /* Some block macros suspend or cancel .nf. */
        !           221:                switch (n->tok) {
        !           222:                case MAN_TP:  /* Tagged paragraphs              */
        !           223:                case MAN_IP:  /* temporarily disable .nf        */
        !           224:                case MAN_HP:  /* for the head.                  */
        !           225:                        save_fillmode = want_fillmode;
        !           226:                        /* FALLTHROUGH */
        !           227:                case MAN_SH:  /* Section headers                */
        !           228:                case MAN_SS:  /* permanently cancel .nf.        */
        !           229:                        want_fillmode = MAN_fi;
        !           230:                        /* FALLTHROUGH */
        !           231:                case MAN_PP:  /* These have no head.            */
        !           232:                case MAN_LP:  /* They will simply               */
        !           233:                case MAN_P:   /* reopen .nf in the body.        */
        !           234:                case MAN_RS:
        !           235:                case MAN_UR:
        !           236:                        fillmode(h, MAN_fi);
        !           237:                        break;
        !           238:                default:
        !           239:                        break;
        !           240:                }
        !           241:                break;
        !           242:        case ROFFT_TBL:
        !           243:                fillmode(h, MAN_fi);
        !           244:                break;
        !           245:        case ROFFT_ELEM:
        !           246:                /*
        !           247:                 * Some in-line macros produce tags and/or text
        !           248:                 * in the handler, so they require fill mode to be
        !           249:                 * configured up front just like for text nodes.
        !           250:                 * For the others, keep the traditional approach
        !           251:                 * of doing the same, for now.
        !           252:                 */
        !           253:                fillmode(h, want_fillmode);
        !           254:                break;
1.113     schwarze  255:        case ROFFT_TEXT:
1.132   ! schwarze  256:                if (fillmode(h, want_fillmode) == MAN_fi &&
        !           257:                    want_fillmode == MAN_fi &&
1.130     schwarze  258:                    n->flags & NODE_LINE && *n->string == ' ')
1.122     schwarze  259:                        print_otag(h, TAG_BR, "");
1.132   ! schwarze  260:                if (*n->string != '\0')
        !           261:                        break;
        !           262:                print_paragraph(h);
        !           263:                return;
        !           264:        default:
        !           265:                break;
        !           266:        }
        !           267:
        !           268:        /* Produce output for this node. */
        !           269:
        !           270:        child = 1;
        !           271:        switch (n->type) {
        !           272:        case ROFFT_TEXT:
        !           273:                t = h->tag;
1.4       kristaps  274:                print_text(h, n->string);
1.130     schwarze  275:                break;
1.113     schwarze  276:        case ROFFT_EQN:
1.132   ! schwarze  277:                t = h->tag;
1.80      kristaps  278:                print_eqn(h, n->eqn);
1.69      kristaps  279:                break;
1.113     schwarze  280:        case ROFFT_TBL:
1.66      kristaps  281:                /*
                    282:                 * This will take care of initialising all of the table
                    283:                 * state data for the first table, then tearing it down
                    284:                 * for the last one.
                    285:                 */
1.60      kristaps  286:                print_tbl(h, n->span);
1.64      kristaps  287:                return;
1.4       kristaps  288:        default:
1.93      schwarze  289:                /*
1.21      kristaps  290:                 * Close out scope of font prior to opening a macro
1.66      kristaps  291:                 * scope.
1.21      kristaps  292:                 */
1.57      kristaps  293:                if (HTMLFONT_NONE != h->metac) {
                    294:                        h->metal = h->metac;
                    295:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  296:                }
                    297:
                    298:                /*
                    299:                 * Close out the current table, if it's open, and unset
                    300:                 * the "meta" table state.  This will be reopened on the
                    301:                 * next table element.
                    302:                 */
1.132   ! schwarze  303:                if (h->tblt)
1.66      kristaps  304:                        print_tblclose(h);
1.132   ! schwarze  305:
        !           306:                t = h->tag;
1.4       kristaps  307:                if (mans[n->tok].pre)
1.132   ! schwarze  308:                        child = (*mans[n->tok].pre)(man, n, h);
        !           309:
        !           310:                /* Some block macros resume .nf in the body. */
        !           311:                if (save_fillmode && n->type == ROFFT_BODY)
        !           312:                        want_fillmode = save_fillmode;
        !           313:
1.4       kristaps  314:                break;
                    315:        }
                    316:
1.21      kristaps  317:        if (child && n->child)
1.132   ! schwarze  318:                print_man_nodelist(man, n->child, h);
1.21      kristaps  319:
1.24      kristaps  320:        /* This will automatically close out any font scope. */
1.132   ! schwarze  321:        print_stagq(h, t);
        !           322:
        !           323:        if (fillmode(h, 0) == MAN_nf &&
        !           324:            n->next != NULL && n->next->flags & NODE_LINE)
        !           325:                print_endline(h);
        !           326: }
        !           327:
        !           328: /*
        !           329:  * MAN_nf switches to no-fill mode, MAN_fi to fill mode.
        !           330:  * Other arguments do not switch.
        !           331:  * The old mode is returned.
        !           332:  */
        !           333: static int
        !           334: fillmode(struct html *h, int want)
        !           335: {
        !           336:        struct tag      *pre;
        !           337:        int              had;
1.4       kristaps  338:
1.132   ! schwarze  339:        for (pre = h->tag; pre != NULL; pre = pre->next)
        !           340:                if (pre->tag == TAG_PRE)
        !           341:                        break;
        !           342:
        !           343:        had = pre == NULL ? MAN_fi : MAN_nf;
1.130     schwarze  344:
1.132   ! schwarze  345:        if (want && want != had) {
        !           346:                if (want == MAN_nf)
        !           347:                        print_otag(h, TAG_PRE, "");
        !           348:                else
        !           349:                        print_tagq(h, pre);
        !           350:        }
        !           351:        return had;
1.4       kristaps  352: }
                    353:
1.5       kristaps  354: static int
1.114     schwarze  355: a2width(const struct roff_node *n, struct roffsu *su)
1.5       kristaps  356: {
                    357:
1.113     schwarze  358:        if (n->type != ROFFT_TEXT)
1.119     schwarze  359:                return 0;
1.107     schwarze  360:        if (a2roffsu(n->string, su, SCALE_EN))
1.119     schwarze  361:                return 1;
1.5       kristaps  362:
1.119     schwarze  363:        return 0;
1.5       kristaps  364: }
                    365:
1.65      kristaps  366: static void
1.4       kristaps  367: man_root_pre(MAN_ARGS)
                    368: {
                    369:        struct tag      *t, *tt;
1.94      schwarze  370:        char            *title;
1.4       kristaps  371:
1.89      schwarze  372:        assert(man->title);
                    373:        assert(man->msec);
1.94      schwarze  374:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.4       kristaps  375:
1.122     schwarze  376:        t = print_otag(h, TAG_TABLE, "c", "head");
                    377:        print_otag(h, TAG_TBODY, "");
                    378:        tt = print_otag(h, TAG_TR, "");
1.4       kristaps  379:
1.122     schwarze  380:        print_otag(h, TAG_TD, "c", "head-ltitle");
1.4       kristaps  381:        print_text(h, title);
                    382:        print_stagq(h, tt);
                    383:
1.122     schwarze  384:        print_otag(h, TAG_TD, "c", "head-vol");
1.95      schwarze  385:        if (NULL != man->vol)
                    386:                print_text(h, man->vol);
1.4       kristaps  387:        print_stagq(h, tt);
                    388:
1.122     schwarze  389:        print_otag(h, TAG_TD, "c", "head-rtitle");
1.4       kristaps  390:        print_text(h, title);
                    391:        print_tagq(h, t);
1.94      schwarze  392:        free(title);
1.4       kristaps  393: }
                    394:
                    395: static void
                    396: man_root_post(MAN_ARGS)
                    397: {
                    398:        struct tag      *t, *tt;
                    399:
1.122     schwarze  400:        t = print_otag(h, TAG_TABLE, "c", "foot");
                    401:        tt = print_otag(h, TAG_TR, "");
1.55      kristaps  402:
1.122     schwarze  403:        print_otag(h, TAG_TD, "c", "foot-date");
1.89      schwarze  404:        print_text(h, man->date);
1.4       kristaps  405:        print_stagq(h, tt);
                    406:
1.122     schwarze  407:        print_otag(h, TAG_TD, "c", "foot-os");
1.115     schwarze  408:        if (man->os)
                    409:                print_text(h, man->os);
1.4       kristaps  410:        print_tagq(h, t);
                    411: }
                    412:
                    413:
                    414: static int
                    415: man_br_pre(MAN_ARGS)
                    416: {
1.7       kristaps  417:        struct roffsu    su;
1.4       kristaps  418:
1.7       kristaps  419:        SCALE_VS_INIT(&su, 1);
                    420:
1.49      kristaps  421:        if (MAN_sp == n->tok) {
1.75      kristaps  422:                if (NULL != (n = n->child))
                    423:                        if ( ! a2roffsu(n->string, &su, SCALE_VS))
1.108     schwarze  424:                                su.scale = 1.0;
1.49      kristaps  425:        } else
1.96      schwarze  426:                su.scale = 0.0;
1.4       kristaps  427:
1.122     schwarze  428:        print_otag(h, TAG_DIV, "suh", &su);
1.24      kristaps  429:
1.16      kristaps  430:        /* So the div isn't empty: */
                    431:        print_text(h, "\\~");
                    432:
1.119     schwarze  433:        return 0;
1.4       kristaps  434: }
                    435:
                    436: static int
                    437: man_SH_pre(MAN_ARGS)
                    438: {
1.132   ! schwarze  439:        if (n->type == ROFFT_HEAD)
1.130     schwarze  440:                print_otag(h, TAG_H1, "c", "Sh");
1.119     schwarze  441:        return 1;
1.4       kristaps  442: }
                    443:
                    444: static int
1.8       kristaps  445: man_alt_pre(MAN_ARGS)
                    446: {
1.114     schwarze  447:        const struct roff_node  *nn;
1.130     schwarze  448:        int              i;
1.57      kristaps  449:        enum htmltag     fp;
                    450:        struct tag      *t;
1.8       kristaps  451:
                    452:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
                    453:                switch (n->tok) {
1.93      schwarze  454:                case MAN_BI:
1.57      kristaps  455:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  456:                        break;
1.93      schwarze  457:                case MAN_IB:
1.57      kristaps  458:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  459:                        break;
1.93      schwarze  460:                case MAN_RI:
1.57      kristaps  461:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  462:                        break;
1.93      schwarze  463:                case MAN_IR:
1.57      kristaps  464:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  465:                        break;
1.93      schwarze  466:                case MAN_BR:
1.57      kristaps  467:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  468:                        break;
1.93      schwarze  469:                case MAN_RB:
1.57      kristaps  470:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  471:                        break;
                    472:                default:
                    473:                        abort();
                    474:                }
                    475:
                    476:                if (i)
                    477:                        h->flags |= HTML_NOSPACE;
                    478:
1.130     schwarze  479:                if (fp != TAG_MAX)
1.122     schwarze  480:                        t = print_otag(h, fp, "");
1.57      kristaps  481:
1.130     schwarze  482:                print_text(h, nn->string);
1.57      kristaps  483:
1.130     schwarze  484:                if (fp != TAG_MAX)
1.57      kristaps  485:                        print_tagq(h, t);
1.8       kristaps  486:        }
1.119     schwarze  487:        return 0;
1.8       kristaps  488: }
                    489:
                    490: static int
1.56      kristaps  491: man_SM_pre(MAN_ARGS)
1.8       kristaps  492: {
1.122     schwarze  493:        print_otag(h, TAG_SMALL, "");
1.56      kristaps  494:        if (MAN_SB == n->tok)
1.122     schwarze  495:                print_otag(h, TAG_B, "");
1.119     schwarze  496:        return 1;
1.8       kristaps  497: }
                    498:
                    499: static int
1.4       kristaps  500: man_SS_pre(MAN_ARGS)
                    501: {
1.132   ! schwarze  502:        if (n->type == ROFFT_HEAD)
1.130     schwarze  503:                print_otag(h, TAG_H2, "c", "Ss");
1.119     schwarze  504:        return 1;
1.4       kristaps  505: }
                    506:
                    507: static int
                    508: man_PP_pre(MAN_ARGS)
                    509: {
                    510:
1.113     schwarze  511:        if (n->type == ROFFT_HEAD)
1.119     schwarze  512:                return 0;
1.113     schwarze  513:        else if (n->type == ROFFT_BLOCK)
1.74      kristaps  514:                print_bvspace(h, n);
1.47      kristaps  515:
1.119     schwarze  516:        return 1;
1.5       kristaps  517: }
                    518:
                    519: static int
                    520: man_IP_pre(MAN_ARGS)
                    521: {
1.114     schwarze  522:        const struct roff_node  *nn;
1.5       kristaps  523:
1.113     schwarze  524:        if (n->type == ROFFT_BODY) {
1.129     schwarze  525:                print_otag(h, TAG_DD, "c", "It-tag");
1.119     schwarze  526:                return 1;
1.113     schwarze  527:        } else if (n->type != ROFFT_HEAD) {
1.129     schwarze  528:                print_otag(h, TAG_DL, "c", "Bl-tag");
1.119     schwarze  529:                return 1;
1.6       kristaps  530:        }
                    531:
1.78      kristaps  532:        /* FIXME: width specification. */
                    533:
1.129     schwarze  534:        print_otag(h, TAG_DT, "c", "It-tag");
1.6       kristaps  535:
1.59      schwarze  536:        /* For IP, only print the first header element. */
1.7       kristaps  537:
1.59      schwarze  538:        if (MAN_IP == n->tok && n->child)
1.132   ! schwarze  539:                print_man_node(man, n->child, h);
1.27      kristaps  540:
1.59      schwarze  541:        /* For TP, only print next-line header elements. */
1.6       kristaps  542:
1.91      schwarze  543:        if (MAN_TP == n->tok) {
                    544:                nn = n->child;
1.121     schwarze  545:                while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.91      schwarze  546:                        nn = nn->next;
                    547:                while (NULL != nn) {
1.132   ! schwarze  548:                        print_man_node(man, nn, h);
1.91      schwarze  549:                        nn = nn->next;
                    550:                }
                    551:        }
1.6       kristaps  552:
1.119     schwarze  553:        return 0;
1.6       kristaps  554: }
                    555:
                    556: static int
                    557: man_HP_pre(MAN_ARGS)
                    558: {
1.122     schwarze  559:        struct roffsu    sum, sui;
1.114     schwarze  560:        const struct roff_node *np;
1.6       kristaps  561:
1.113     schwarze  562:        if (n->type == ROFFT_HEAD)
1.119     schwarze  563:                return 0;
1.113     schwarze  564:        else if (n->type != ROFFT_BLOCK)
1.119     schwarze  565:                return 1;
1.72      kristaps  566:
1.77      kristaps  567:        np = n->head->child;
1.6       kristaps  568:
1.122     schwarze  569:        if (np == NULL || !a2width(np, &sum))
                    570:                SCALE_HS_INIT(&sum, INDENT);
1.6       kristaps  571:
1.122     schwarze  572:        sui.unit = sum.unit;
                    573:        sui.scale = -sum.scale;
1.5       kristaps  574:
1.77      kristaps  575:        print_bvspace(h, n);
1.127     schwarze  576:        print_otag(h, TAG_DIV, "csului", "Pp", &sum, &sui);
1.119     schwarze  577:        return 1;
1.4       kristaps  578: }
1.86      kristaps  579:
                    580: static int
                    581: man_OP_pre(MAN_ARGS)
                    582: {
                    583:        struct tag      *tt;
                    584:
                    585:        print_text(h, "[");
                    586:        h->flags |= HTML_NOSPACE;
1.128     schwarze  587:        tt = print_otag(h, TAG_SPAN, "c", "Op");
1.86      kristaps  588:
                    589:        if (NULL != (n = n->child)) {
1.122     schwarze  590:                print_otag(h, TAG_B, "");
1.86      kristaps  591:                print_text(h, n->string);
                    592:        }
                    593:
                    594:        print_stagq(h, tt);
                    595:
                    596:        if (NULL != n && NULL != n->next) {
1.122     schwarze  597:                print_otag(h, TAG_I, "");
1.86      kristaps  598:                print_text(h, n->next->string);
                    599:        }
                    600:
                    601:        print_stagq(h, tt);
                    602:        h->flags |= HTML_NOSPACE;
                    603:        print_text(h, "]");
1.119     schwarze  604:        return 0;
1.86      kristaps  605: }
                    606:
1.8       kristaps  607: static int
                    608: man_B_pre(MAN_ARGS)
                    609: {
1.122     schwarze  610:        print_otag(h, TAG_B, "");
1.119     schwarze  611:        return 1;
1.8       kristaps  612: }
                    613:
                    614: static int
                    615: man_I_pre(MAN_ARGS)
                    616: {
1.122     schwarze  617:        print_otag(h, TAG_I, "");
1.119     schwarze  618:        return 1;
1.45      kristaps  619: }
                    620:
                    621: static int
                    622: man_in_pre(MAN_ARGS)
                    623: {
1.122     schwarze  624:        print_otag(h, TAG_BR, "");
1.119     schwarze  625:        return 0;
1.8       kristaps  626: }
                    627:
                    628: static int
                    629: man_ign_pre(MAN_ARGS)
                    630: {
                    631:
1.119     schwarze  632:        return 0;
1.8       kristaps  633: }
1.9       kristaps  634:
                    635: static int
                    636: man_RS_pre(MAN_ARGS)
                    637: {
                    638:        struct roffsu    su;
                    639:
1.113     schwarze  640:        if (n->type == ROFFT_HEAD)
1.119     schwarze  641:                return 0;
1.113     schwarze  642:        else if (n->type == ROFFT_BODY)
1.119     schwarze  643:                return 1;
1.9       kristaps  644:
                    645:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  646:        if (n->head->child)
1.9       kristaps  647:                a2width(n->head->child, &su);
                    648:
1.122     schwarze  649:        print_otag(h, TAG_DIV, "sul", &su);
1.119     schwarze  650:        return 1;
1.90      schwarze  651: }
                    652:
                    653: static int
                    654: man_UR_pre(MAN_ARGS)
                    655: {
                    656:        n = n->child;
1.113     schwarze  657:        assert(n->type == ROFFT_HEAD);
1.120     schwarze  658:        if (n->child != NULL) {
1.113     schwarze  659:                assert(n->child->type == ROFFT_TEXT);
1.128     schwarze  660:                print_otag(h, TAG_A, "ch", "Lk", n->child->string);
1.90      schwarze  661:        }
                    662:
1.113     schwarze  663:        assert(n->next->type == ROFFT_BODY);
1.120     schwarze  664:        if (n->next->child != NULL)
1.90      schwarze  665:                n = n->next;
                    666:
1.132   ! schwarze  667:        print_man_nodelist(man, n->child, h);
1.90      schwarze  668:
1.119     schwarze  669:        return 0;
1.9       kristaps  670: }

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