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Annotation of mandoc/man_html.c, Revision 1.101

1.101   ! kristaps    1: /*     $Id: man_html.c,v 1.100 2014/09/27 09:13:39 kristaps Exp $ */
1.1       kristaps    2: /*
1.87      schwarze    3:  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.91      schwarze    4:  * Copyright (c) 2013, 2014 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:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     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:
1.35      kristaps   28: #include "mandoc.h"
1.94      schwarze   29: #include "mandoc_aux.h"
1.7       kristaps   30: #include "out.h"
1.1       kristaps   31: #include "html.h"
                     32: #include "man.h"
1.10      kristaps   33: #include "main.h"
1.1       kristaps   34:
1.6       kristaps   35: /* TODO: preserve ident widths. */
1.13      kristaps   36: /* FIXME: have PD set the default vspace width. */
1.6       kristaps   37:
                     38: #define        INDENT            5
1.4       kristaps   39:
1.89      schwarze   40: #define        MAN_ARGS          const struct man_meta *man, \
1.3       kristaps   41:                          const struct man_node *n, \
1.45      kristaps   42:                          struct mhtml *mh, \
1.3       kristaps   43:                          struct html *h
                     44:
1.45      kristaps   45: struct mhtml {
                     46:        int               fl;
                     47: #define        MANH_LITERAL     (1 << 0) /* literal context */
                     48: };
                     49:
1.3       kristaps   50: struct htmlman {
                     51:        int             (*pre)(MAN_ARGS);
                     52:        int             (*post)(MAN_ARGS);
                     53: };
                     54:
1.93      schwarze   55: static void              print_bvspace(struct html *,
1.74      kristaps   56:                                const struct man_node *);
1.3       kristaps   57: static void              print_man(MAN_ARGS);
                     58: static void              print_man_head(MAN_ARGS);
1.4       kristaps   59: static void              print_man_nodelist(MAN_ARGS);
                     60: static void              print_man_node(MAN_ARGS);
1.7       kristaps   61: static int               a2width(const struct man_node *,
                     62:                                struct roffsu *);
1.8       kristaps   63: static int               man_B_pre(MAN_ARGS);
1.6       kristaps   64: static int               man_HP_pre(MAN_ARGS);
1.86      kristaps   65: static int               man_IP_pre(MAN_ARGS);
1.8       kristaps   66: static int               man_I_pre(MAN_ARGS);
1.86      kristaps   67: static int               man_OP_pre(MAN_ARGS);
1.4       kristaps   68: static int               man_PP_pre(MAN_ARGS);
1.9       kristaps   69: static int               man_RS_pre(MAN_ARGS);
1.4       kristaps   70: static int               man_SH_pre(MAN_ARGS);
1.8       kristaps   71: static int               man_SM_pre(MAN_ARGS);
1.4       kristaps   72: static int               man_SS_pre(MAN_ARGS);
1.90      schwarze   73: static int               man_UR_pre(MAN_ARGS);
1.86      kristaps   74: static int               man_alt_pre(MAN_ARGS);
                     75: static int               man_br_pre(MAN_ARGS);
                     76: static int               man_ign_pre(MAN_ARGS);
                     77: static int               man_in_pre(MAN_ARGS);
                     78: static int               man_literal_pre(MAN_ARGS);
                     79: static void              man_root_post(MAN_ARGS);
                     80: static void              man_root_pre(MAN_ARGS);
1.4       kristaps   81:
1.3       kristaps   82: static const struct htmlman mans[MAN_MAX] = {
1.4       kristaps   83:        { man_br_pre, NULL }, /* br */
1.3       kristaps   84:        { NULL, NULL }, /* TH */
1.4       kristaps   85:        { man_SH_pre, NULL }, /* SH */
                     86:        { man_SS_pre, NULL }, /* SS */
1.6       kristaps   87:        { man_IP_pre, NULL }, /* TP */
1.4       kristaps   88:        { man_PP_pre, NULL }, /* LP */
                     89:        { man_PP_pre, NULL }, /* PP */
                     90:        { man_PP_pre, NULL }, /* P */
1.5       kristaps   91:        { man_IP_pre, NULL }, /* IP */
1.93      schwarze   92:        { man_HP_pre, NULL }, /* HP */
1.8       kristaps   93:        { man_SM_pre, NULL }, /* SM */
1.56      kristaps   94:        { man_SM_pre, NULL }, /* SB */
1.8       kristaps   95:        { man_alt_pre, NULL }, /* BI */
                     96:        { man_alt_pre, NULL }, /* IB */
                     97:        { man_alt_pre, NULL }, /* BR */
                     98:        { man_alt_pre, NULL }, /* RB */
1.3       kristaps   99:        { NULL, NULL }, /* R */
1.8       kristaps  100:        { man_B_pre, NULL }, /* B */
                    101:        { man_I_pre, NULL }, /* I */
                    102:        { man_alt_pre, NULL }, /* IR */
                    103:        { man_alt_pre, NULL }, /* RI */
1.67      schwarze  104:        { man_ign_pre, NULL }, /* na */
1.4       kristaps  105:        { man_br_pre, NULL }, /* sp */
1.45      kristaps  106:        { man_literal_pre, NULL }, /* nf */
                    107:        { man_literal_pre, NULL }, /* fi */
1.3       kristaps  108:        { NULL, NULL }, /* RE */
1.9       kristaps  109:        { man_RS_pre, NULL }, /* RS */
1.8       kristaps  110:        { man_ign_pre, NULL }, /* DT */
                    111:        { man_ign_pre, NULL }, /* UC */
1.13      kristaps  112:        { man_ign_pre, NULL }, /* PD */
1.34      joerg     113:        { man_ign_pre, NULL }, /* AT */
1.45      kristaps  114:        { man_in_pre, NULL }, /* in */
1.51      kristaps  115:        { man_ign_pre, NULL }, /* ft */
1.86      kristaps  116:        { man_OP_pre, NULL }, /* OP */
1.88      schwarze  117:        { man_literal_pre, NULL }, /* EX */
                    118:        { man_literal_pre, NULL }, /* EE */
1.90      schwarze  119:        { man_UR_pre, NULL }, /* UR */
                    120:        { NULL, NULL }, /* UE */
1.92      schwarze  121:        { man_ign_pre, NULL }, /* ll */
1.3       kristaps  122: };
                    123:
1.93      schwarze  124:
1.74      kristaps  125: /*
                    126:  * Printing leading vertical space before a block.
                    127:  * This is used for the paragraph macros.
                    128:  * The rules are pretty simple, since there's very little nesting going
                    129:  * on here.  Basically, if we're the first within another block (SS/SH),
                    130:  * then don't emit vertical space.  If we are (RS), then do.  If not the
                    131:  * first, print it.
                    132:  */
                    133: static void
                    134: print_bvspace(struct html *h, const struct man_node *n)
                    135: {
                    136:
                    137:        if (n->body && n->body->child)
                    138:                if (MAN_TBL == n->body->child->type)
                    139:                        return;
                    140:
                    141:        if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok)
                    142:                if (NULL == n->prev)
                    143:                        return;
                    144:
                    145:        print_otag(h, TAG_P, 0, NULL);
                    146: }
1.1       kristaps  147:
                    148: void
1.89      schwarze  149: html_man(void *arg, const struct man *man)
1.1       kristaps  150: {
1.45      kristaps  151:        struct mhtml     mh;
1.3       kristaps  152:
1.45      kristaps  153:        memset(&mh, 0, sizeof(struct mhtml));
1.89      schwarze  154:        print_man(man_meta(man), man_node(man), &mh, (struct html *)arg);
1.82      kristaps  155:        putchar('\n');
1.3       kristaps  156: }
                    157:
                    158: static void
1.93      schwarze  159: print_man(MAN_ARGS)
1.3       kristaps  160: {
1.82      kristaps  161:        struct tag      *t, *tt;
                    162:        struct htmlpair  tag;
                    163:
                    164:        PAIR_CLASS_INIT(&tag, "mandoc");
1.3       kristaps  165:
1.82      kristaps  166:        if ( ! (HTML_FRAGMENT & h->oflags)) {
                    167:                print_gen_decls(h);
                    168:                t = print_otag(h, TAG_HTML, 0, NULL);
                    169:                tt = print_otag(h, TAG_HEAD, 0, NULL);
1.89      schwarze  170:                print_man_head(man, n, mh, h);
1.82      kristaps  171:                print_tagq(h, tt);
                    172:                print_otag(h, TAG_BODY, 0, NULL);
                    173:                print_otag(h, TAG_DIV, 1, &tag);
1.93      schwarze  174:        } else
1.82      kristaps  175:                t = print_otag(h, TAG_DIV, 1, &tag);
1.53      kristaps  176:
1.89      schwarze  177:        print_man_nodelist(man, n, mh, h);
1.3       kristaps  178:        print_tagq(h, t);
                    179: }
                    180:
                    181: static void
                    182: print_man_head(MAN_ARGS)
                    183: {
                    184:
                    185:        print_gen_head(h);
1.89      schwarze  186:        assert(man->title);
                    187:        assert(man->msec);
                    188:        bufcat_fmt(h, "%s(%s)", man->title, man->msec);
1.3       kristaps  189:        print_otag(h, TAG_TITLE, 0, NULL);
                    190:        print_text(h, h->buf);
1.1       kristaps  191: }
1.4       kristaps  192:
                    193: static void
                    194: print_man_nodelist(MAN_ARGS)
                    195: {
                    196:
1.89      schwarze  197:        print_man_node(man, n, mh, h);
1.4       kristaps  198:        if (n->next)
1.89      schwarze  199:                print_man_nodelist(man, n->next, mh, h);
1.4       kristaps  200: }
                    201:
                    202: static void
                    203: print_man_node(MAN_ARGS)
                    204: {
                    205:        int              child;
                    206:        struct tag      *t;
                    207:
                    208:        child = 1;
1.14      kristaps  209:        t = h->tags.head;
1.4       kristaps  210:
                    211:        switch (n->type) {
1.93      schwarze  212:        case MAN_ROOT:
1.89      schwarze  213:                man_root_pre(man, n, mh, h);
1.4       kristaps  214:                break;
1.93      schwarze  215:        case MAN_TEXT:
1.65      kristaps  216:                /*
                    217:                 * If we have a blank line, output a vertical space.
                    218:                 * If we have a space as the first character, break
                    219:                 * before printing the line's data.
                    220:                 */
1.63      kristaps  221:                if ('\0' == *n->string) {
                    222:                        print_otag(h, TAG_P, 0, NULL);
                    223:                        return;
1.78      kristaps  224:                }
                    225:
                    226:                if (' ' == *n->string && MAN_LINE & n->flags)
                    227:                        print_otag(h, TAG_BR, 0, NULL);
                    228:                else if (MANH_LITERAL & mh->fl && n->prev)
1.63      kristaps  229:                        print_otag(h, TAG_BR, 0, NULL);
                    230:
1.4       kristaps  231:                print_text(h, n->string);
1.68      kristaps  232:                return;
1.93      schwarze  233:        case MAN_EQN:
1.80      kristaps  234:                print_eqn(h, n->eqn);
1.69      kristaps  235:                break;
1.93      schwarze  236:        case MAN_TBL:
1.66      kristaps  237:                /*
                    238:                 * This will take care of initialising all of the table
                    239:                 * state data for the first table, then tearing it down
                    240:                 * for the last one.
                    241:                 */
1.60      kristaps  242:                print_tbl(h, n->span);
1.64      kristaps  243:                return;
1.4       kristaps  244:        default:
1.93      schwarze  245:                /*
1.21      kristaps  246:                 * Close out scope of font prior to opening a macro
1.66      kristaps  247:                 * scope.
1.21      kristaps  248:                 */
1.57      kristaps  249:                if (HTMLFONT_NONE != h->metac) {
                    250:                        h->metal = h->metac;
                    251:                        h->metac = HTMLFONT_NONE;
1.66      kristaps  252:                }
                    253:
                    254:                /*
                    255:                 * Close out the current table, if it's open, and unset
                    256:                 * the "meta" table state.  This will be reopened on the
                    257:                 * next table element.
                    258:                 */
                    259:                if (h->tblt) {
                    260:                        print_tblclose(h);
                    261:                        t = h->tags.head;
1.20      kristaps  262:                }
1.4       kristaps  263:                if (mans[n->tok].pre)
1.89      schwarze  264:                        child = (*mans[n->tok].pre)(man, n, mh, h);
1.4       kristaps  265:                break;
                    266:        }
                    267:
1.21      kristaps  268:        if (child && n->child)
1.89      schwarze  269:                print_man_nodelist(man, n->child, mh, h);
1.21      kristaps  270:
1.24      kristaps  271:        /* This will automatically close out any font scope. */
1.4       kristaps  272:        print_stagq(h, t);
                    273:
1.61      kristaps  274:        switch (n->type) {
1.93      schwarze  275:        case MAN_ROOT:
1.89      schwarze  276:                man_root_post(man, n, mh, h);
1.69      kristaps  277:                break;
1.93      schwarze  278:        case MAN_EQN:
1.61      kristaps  279:                break;
                    280:        default:
                    281:                if (mans[n->tok].post)
1.89      schwarze  282:                        (*mans[n->tok].post)(man, n, mh, h);
1.61      kristaps  283:                break;
                    284:        }
1.4       kristaps  285: }
                    286:
1.5       kristaps  287: static int
1.7       kristaps  288: a2width(const struct man_node *n, struct roffsu *su)
1.5       kristaps  289: {
                    290:
1.6       kristaps  291:        if (MAN_TEXT != n->type)
1.7       kristaps  292:                return(0);
1.11      kristaps  293:        if (a2roffsu(n->string, su, SCALE_BU))
1.7       kristaps  294:                return(1);
1.5       kristaps  295:
1.7       kristaps  296:        return(0);
1.5       kristaps  297: }
                    298:
1.65      kristaps  299: static void
1.4       kristaps  300: man_root_pre(MAN_ARGS)
                    301: {
1.101   ! kristaps  302:        struct htmlpair  tag;
1.4       kristaps  303:        struct tag      *t, *tt;
1.94      schwarze  304:        char            *title;
1.4       kristaps  305:
1.89      schwarze  306:        assert(man->title);
                    307:        assert(man->msec);
1.94      schwarze  308:        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
1.4       kristaps  309:
1.101   ! kristaps  310:        PAIR_CLASS_INIT(&tag, "head");
        !           311:        t = print_otag(h, TAG_TABLE, 1, &tag);
        !           312:        PAIR_INIT(&tag, ATTR_WIDTH, "30%");
        !           313:        print_otag(h, TAG_COL, 1, &tag);
        !           314:        print_otag(h, TAG_COL, 1, &tag);
        !           315:        print_otag(h, TAG_COL, 1, &tag);
1.56      kristaps  316:
                    317:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  318:
1.4       kristaps  319:        tt = print_otag(h, TAG_TR, 0, NULL);
                    320:
1.101   ! kristaps  321:        PAIR_CLASS_INIT(&tag, "head-ltitle");
        !           322:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  323:        print_text(h, title);
                    324:        print_stagq(h, tt);
                    325:
1.101   ! kristaps  326:        PAIR_CLASS_INIT(&tag, "head-vol");
        !           327:        print_otag(h, TAG_TD, 1, &tag);
1.95      schwarze  328:        if (NULL != man->vol)
                    329:                print_text(h, man->vol);
1.4       kristaps  330:        print_stagq(h, tt);
                    331:
1.101   ! kristaps  332:        PAIR_CLASS_INIT(&tag, "head-rtitle");
        !           333:        print_otag(h, TAG_TD, 1, &tag);
1.4       kristaps  334:        print_text(h, title);
                    335:        print_tagq(h, t);
1.94      schwarze  336:        free(title);
1.4       kristaps  337: }
                    338:
                    339: static void
                    340: man_root_post(MAN_ARGS)
                    341: {
1.101   ! kristaps  342:        struct htmlpair  tag;
1.4       kristaps  343:        struct tag      *t, *tt;
                    344:
1.101   ! kristaps  345:        PAIR_CLASS_INIT(&tag, "foot");
        !           346:        t = print_otag(h, TAG_TABLE, 1, &tag);
        !           347:        PAIR_INIT(&tag, ATTR_WIDTH, "50%");
        !           348:        print_otag(h, TAG_COL, 1, &tag);
        !           349:        print_otag(h, TAG_COL, 1, &tag);
1.15      kristaps  350:
1.4       kristaps  351:        tt = print_otag(h, TAG_TR, 0, NULL);
                    352:
1.101   ! kristaps  353:        PAIR_CLASS_INIT(&tag, "foot-date");
        !           354:        print_otag(h, TAG_TD, 1, &tag);
1.55      kristaps  355:
1.89      schwarze  356:        assert(man->date);
                    357:        print_text(h, man->date);
1.4       kristaps  358:        print_stagq(h, tt);
                    359:
1.101   ! kristaps  360:        PAIR_CLASS_INIT(&tag, "foot-os");
        !           361:        print_otag(h, TAG_TD, 1, &tag);
1.55      kristaps  362:
1.89      schwarze  363:        if (man->source)
                    364:                print_text(h, man->source);
1.4       kristaps  365:        print_tagq(h, t);
                    366: }
                    367:
                    368:
                    369: static int
                    370: man_br_pre(MAN_ARGS)
                    371: {
1.7       kristaps  372:        struct roffsu    su;
                    373:        struct htmlpair  tag;
1.4       kristaps  374:
1.7       kristaps  375:        SCALE_VS_INIT(&su, 1);
                    376:
1.49      kristaps  377:        if (MAN_sp == n->tok) {
1.75      kristaps  378:                if (NULL != (n = n->child))
                    379:                        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    380:                                SCALE_VS_INIT(&su, atoi(n->string));
1.49      kristaps  381:        } else
1.96      schwarze  382:                su.scale = 0.0;
1.4       kristaps  383:
1.72      kristaps  384:        bufinit(h);
1.7       kristaps  385:        bufcat_su(h, "height", &su);
                    386:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  387:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  388:
1.16      kristaps  389:        /* So the div isn't empty: */
                    390:        print_text(h, "\\~");
                    391:
1.7       kristaps  392:        return(0);
1.4       kristaps  393: }
                    394:
                    395: static int
                    396: man_SH_pre(MAN_ARGS)
                    397: {
1.54      kristaps  398:        struct htmlpair  tag;
1.4       kristaps  399:
1.54      kristaps  400:        if (MAN_BLOCK == n->type) {
1.76      kristaps  401:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  402:                PAIR_CLASS_INIT(&tag, "section");
                    403:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  404:                return(1);
1.54      kristaps  405:        } else if (MAN_BODY == n->type)
1.4       kristaps  406:                return(1);
                    407:
1.54      kristaps  408:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  409:        return(1);
                    410: }
                    411:
                    412: static int
1.8       kristaps  413: man_alt_pre(MAN_ARGS)
                    414: {
                    415:        const struct man_node   *nn;
1.78      kristaps  416:        int              i, savelit;
1.57      kristaps  417:        enum htmltag     fp;
                    418:        struct tag      *t;
1.8       kristaps  419:
1.93      schwarze  420:        if ((savelit = mh->fl & MANH_LITERAL))
1.78      kristaps  421:                print_otag(h, TAG_BR, 0, NULL);
                    422:
                    423:        mh->fl &= ~MANH_LITERAL;
                    424:
1.8       kristaps  425:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  426:                t = NULL;
1.8       kristaps  427:                switch (n->tok) {
1.93      schwarze  428:                case MAN_BI:
1.57      kristaps  429:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  430:                        break;
1.93      schwarze  431:                case MAN_IB:
1.57      kristaps  432:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  433:                        break;
1.93      schwarze  434:                case MAN_RI:
1.57      kristaps  435:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  436:                        break;
1.93      schwarze  437:                case MAN_IR:
1.57      kristaps  438:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  439:                        break;
1.93      schwarze  440:                case MAN_BR:
1.57      kristaps  441:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  442:                        break;
1.93      schwarze  443:                case MAN_RB:
1.57      kristaps  444:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  445:                        break;
                    446:                default:
                    447:                        abort();
                    448:                        /* NOTREACHED */
                    449:                }
                    450:
                    451:                if (i)
                    452:                        h->flags |= HTML_NOSPACE;
                    453:
1.57      kristaps  454:                if (TAG_MAX != fp)
                    455:                        t = print_otag(h, fp, 0, NULL);
                    456:
1.89      schwarze  457:                print_man_node(man, nn, mh, h);
1.57      kristaps  458:
                    459:                if (t)
                    460:                        print_tagq(h, t);
1.8       kristaps  461:        }
                    462:
1.78      kristaps  463:        if (savelit)
                    464:                mh->fl |= MANH_LITERAL;
                    465:
1.8       kristaps  466:        return(0);
                    467: }
                    468:
                    469: static int
1.56      kristaps  470: man_SM_pre(MAN_ARGS)
1.8       kristaps  471: {
1.93      schwarze  472:
1.57      kristaps  473:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  474:        if (MAN_SB == n->tok)
1.57      kristaps  475:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  476:        return(1);
                    477: }
                    478:
                    479: static int
1.4       kristaps  480: man_SS_pre(MAN_ARGS)
                    481: {
1.54      kristaps  482:        struct htmlpair  tag;
1.4       kristaps  483:
1.54      kristaps  484:        if (MAN_BLOCK == n->type) {
1.76      kristaps  485:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  486:                PAIR_CLASS_INIT(&tag, "subsection");
                    487:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  488:                return(1);
1.54      kristaps  489:        } else if (MAN_BODY == n->type)
1.4       kristaps  490:                return(1);
                    491:
1.54      kristaps  492:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  493:        return(1);
                    494: }
                    495:
                    496: static int
                    497: man_PP_pre(MAN_ARGS)
                    498: {
                    499:
1.47      kristaps  500:        if (MAN_HEAD == n->type)
                    501:                return(0);
1.74      kristaps  502:        else if (MAN_BLOCK == n->type)
                    503:                print_bvspace(h, n);
1.47      kristaps  504:
1.5       kristaps  505:        return(1);
                    506: }
                    507:
                    508: static int
                    509: man_IP_pre(MAN_ARGS)
                    510: {
                    511:        const struct man_node   *nn;
                    512:
1.93      schwarze  513:        if (MAN_BODY == n->type) {
1.77      kristaps  514:                print_otag(h, TAG_DD, 0, NULL);
                    515:                return(1);
                    516:        } else if (MAN_HEAD != n->type) {
                    517:                print_otag(h, TAG_DL, 0, NULL);
1.6       kristaps  518:                return(1);
                    519:        }
                    520:
1.78      kristaps  521:        /* FIXME: width specification. */
                    522:
1.77      kristaps  523:        print_otag(h, TAG_DT, 0, NULL);
1.6       kristaps  524:
1.59      schwarze  525:        /* For IP, only print the first header element. */
1.7       kristaps  526:
1.59      schwarze  527:        if (MAN_IP == n->tok && n->child)
1.89      schwarze  528:                print_man_node(man, n->child, mh, h);
1.27      kristaps  529:
1.59      schwarze  530:        /* For TP, only print next-line header elements. */
1.6       kristaps  531:
1.91      schwarze  532:        if (MAN_TP == n->tok) {
                    533:                nn = n->child;
                    534:                while (NULL != nn && 0 == (MAN_LINE & nn->flags))
                    535:                        nn = nn->next;
                    536:                while (NULL != nn) {
                    537:                        print_man_node(man, nn, mh, h);
                    538:                        nn = nn->next;
                    539:                }
                    540:        }
1.6       kristaps  541:
                    542:        return(0);
                    543: }
                    544:
                    545: static int
                    546: man_HP_pre(MAN_ARGS)
                    547: {
1.56      kristaps  548:        struct htmlpair  tag;
                    549:        struct roffsu    su;
                    550:        const struct man_node *np;
1.6       kristaps  551:
1.77      kristaps  552:        if (MAN_HEAD == n->type)
                    553:                return(0);
                    554:        else if (MAN_BLOCK != n->type)
                    555:                return(1);
1.72      kristaps  556:
1.77      kristaps  557:        np = n->head->child;
1.6       kristaps  558:
1.56      kristaps  559:        if (NULL == np || ! a2width(np, &su))
                    560:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  561:
1.77      kristaps  562:        bufinit(h);
1.5       kristaps  563:
1.77      kristaps  564:        print_bvspace(h, n);
                    565:        bufcat_su(h, "margin-left", &su);
1.56      kristaps  566:        su.scale = -su.scale;
1.7       kristaps  567:        bufcat_su(h, "text-indent", &su);
                    568:        PAIR_STYLE_INIT(&tag, h);
1.77      kristaps  569:        print_otag(h, TAG_P, 1, &tag);
1.4       kristaps  570:        return(1);
                    571: }
1.86      kristaps  572:
                    573: static int
                    574: man_OP_pre(MAN_ARGS)
                    575: {
                    576:        struct tag      *tt;
                    577:        struct htmlpair  tag;
                    578:
                    579:        print_text(h, "[");
                    580:        h->flags |= HTML_NOSPACE;
                    581:        PAIR_CLASS_INIT(&tag, "opt");
                    582:        tt = print_otag(h, TAG_SPAN, 1, &tag);
                    583:
                    584:        if (NULL != (n = n->child)) {
                    585:                print_otag(h, TAG_B, 0, NULL);
                    586:                print_text(h, n->string);
                    587:        }
                    588:
                    589:        print_stagq(h, tt);
                    590:
                    591:        if (NULL != n && NULL != n->next) {
                    592:                print_otag(h, TAG_I, 0, NULL);
                    593:                print_text(h, n->next->string);
                    594:        }
                    595:
                    596:        print_stagq(h, tt);
                    597:        h->flags |= HTML_NOSPACE;
                    598:        print_text(h, "]");
                    599:        return(0);
                    600: }
                    601:
1.8       kristaps  602: static int
                    603: man_B_pre(MAN_ARGS)
                    604: {
                    605:
1.57      kristaps  606:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  607:        return(1);
                    608: }
                    609:
                    610: static int
                    611: man_I_pre(MAN_ARGS)
                    612: {
1.93      schwarze  613:
1.57      kristaps  614:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  615:        return(1);
1.45      kristaps  616: }
                    617:
                    618: static int
                    619: man_literal_pre(MAN_ARGS)
                    620: {
                    621:
1.88      schwarze  622:        if (MAN_fi == n->tok || MAN_EE == n->tok) {
1.45      kristaps  623:                print_otag(h, TAG_BR, 0, NULL);
1.78      kristaps  624:                mh->fl &= ~MANH_LITERAL;
                    625:        } else
1.45      kristaps  626:                mh->fl |= MANH_LITERAL;
                    627:
1.67      schwarze  628:        return(0);
1.45      kristaps  629: }
                    630:
                    631: static int
                    632: man_in_pre(MAN_ARGS)
                    633: {
                    634:
                    635:        print_otag(h, TAG_BR, 0, NULL);
                    636:        return(0);
1.8       kristaps  637: }
                    638:
                    639: static int
                    640: man_ign_pre(MAN_ARGS)
                    641: {
                    642:
                    643:        return(0);
                    644: }
1.9       kristaps  645:
                    646: static int
                    647: man_RS_pre(MAN_ARGS)
                    648: {
                    649:        struct htmlpair  tag;
                    650:        struct roffsu    su;
                    651:
                    652:        if (MAN_HEAD == n->type)
                    653:                return(0);
                    654:        else if (MAN_BODY == n->type)
                    655:                return(1);
                    656:
                    657:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  658:        if (n->head->child)
1.9       kristaps  659:                a2width(n->head->child, &su);
                    660:
1.72      kristaps  661:        bufinit(h);
1.56      kristaps  662:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  663:        PAIR_STYLE_INIT(&tag, h);
                    664:        print_otag(h, TAG_DIV, 1, &tag);
                    665:        return(1);
1.90      schwarze  666: }
                    667:
                    668: static int
                    669: man_UR_pre(MAN_ARGS)
                    670: {
                    671:        struct htmlpair          tag[2];
                    672:
                    673:        n = n->child;
                    674:        assert(MAN_HEAD == n->type);
                    675:        if (n->nchild) {
                    676:                assert(MAN_TEXT == n->child->type);
                    677:                PAIR_CLASS_INIT(&tag[0], "link-ext");
                    678:                PAIR_HREF_INIT(&tag[1], n->child->string);
                    679:                print_otag(h, TAG_A, 2, tag);
                    680:        }
                    681:
                    682:        assert(MAN_BODY == n->next->type);
                    683:        if (n->next->nchild)
                    684:                n = n->next;
                    685:
                    686:        print_man_nodelist(man, n->child, mh, h);
                    687:
                    688:        return(0);
1.9       kristaps  689: }

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