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Annotation of mandoc/man_html.c, Revision 1.98

1.98    ! kristaps    1: /*     $Id: man_html.c,v 1.97 2014/08/10 23:54:41 schwarze 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: {
1.98    ! kristaps  302:        struct htmlpair  tag[2];
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:
1.56      kristaps  310:        PAIR_SUMMARY_INIT(&tag[0], "Document Header");
                    311:        PAIR_CLASS_INIT(&tag[1], "head");
1.98    ! kristaps  312:        t = print_otag(h, TAG_TABLE, 2, tag);
1.83      schwarze  313:        PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
                    314:        print_otag(h, TAG_COL, 1, tag);
                    315:        print_otag(h, TAG_COL, 1, tag);
                    316:        print_otag(h, TAG_COL, 1, tag);
1.56      kristaps  317:
                    318:        print_otag(h, TAG_TBODY, 0, NULL);
1.15      kristaps  319:
1.4       kristaps  320:        tt = print_otag(h, TAG_TR, 0, NULL);
                    321:
1.55      kristaps  322:        PAIR_CLASS_INIT(&tag[0], "head-ltitle");
1.4       kristaps  323:        print_otag(h, TAG_TD, 1, tag);
                    324:        print_text(h, title);
                    325:        print_stagq(h, tt);
                    326:
1.55      kristaps  327:        PAIR_CLASS_INIT(&tag[0], "head-vol");
1.83      schwarze  328:        PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
                    329:        print_otag(h, TAG_TD, 2, tag);
1.95      schwarze  330:        if (NULL != man->vol)
                    331:                print_text(h, man->vol);
1.4       kristaps  332:        print_stagq(h, tt);
                    333:
1.55      kristaps  334:        PAIR_CLASS_INIT(&tag[0], "head-rtitle");
1.83      schwarze  335:        PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    336:        print_otag(h, TAG_TD, 2, tag);
1.4       kristaps  337:        print_text(h, title);
                    338:        print_tagq(h, t);
1.94      schwarze  339:        free(title);
1.4       kristaps  340: }
                    341:
                    342: static void
                    343: man_root_post(MAN_ARGS)
                    344: {
1.98    ! kristaps  345:        struct htmlpair  tag[2];
1.4       kristaps  346:        struct tag      *t, *tt;
                    347:
1.56      kristaps  348:        PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
                    349:        PAIR_CLASS_INIT(&tag[1], "foot");
1.98    ! kristaps  350:        t = print_otag(h, TAG_TABLE, 2, tag);
1.83      schwarze  351:        PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
                    352:        print_otag(h, TAG_COL, 1, tag);
                    353:        print_otag(h, TAG_COL, 1, tag);
1.15      kristaps  354:
1.4       kristaps  355:        tt = print_otag(h, TAG_TR, 0, NULL);
                    356:
1.55      kristaps  357:        PAIR_CLASS_INIT(&tag[0], "foot-date");
1.4       kristaps  358:        print_otag(h, TAG_TD, 1, tag);
1.55      kristaps  359:
1.89      schwarze  360:        assert(man->date);
                    361:        print_text(h, man->date);
1.4       kristaps  362:        print_stagq(h, tt);
                    363:
1.55      kristaps  364:        PAIR_CLASS_INIT(&tag[0], "foot-os");
1.83      schwarze  365:        PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
                    366:        print_otag(h, TAG_TD, 2, tag);
1.55      kristaps  367:
1.89      schwarze  368:        if (man->source)
                    369:                print_text(h, man->source);
1.4       kristaps  370:        print_tagq(h, t);
                    371: }
                    372:
                    373:
                    374: static int
                    375: man_br_pre(MAN_ARGS)
                    376: {
1.7       kristaps  377:        struct roffsu    su;
                    378:        struct htmlpair  tag;
1.4       kristaps  379:
1.7       kristaps  380:        SCALE_VS_INIT(&su, 1);
                    381:
1.49      kristaps  382:        if (MAN_sp == n->tok) {
1.75      kristaps  383:                if (NULL != (n = n->child))
                    384:                        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    385:                                SCALE_VS_INIT(&su, atoi(n->string));
1.49      kristaps  386:        } else
1.96      schwarze  387:                su.scale = 0.0;
1.4       kristaps  388:
1.72      kristaps  389:        bufinit(h);
1.7       kristaps  390:        bufcat_su(h, "height", &su);
                    391:        PAIR_STYLE_INIT(&tag, h);
1.4       kristaps  392:        print_otag(h, TAG_DIV, 1, &tag);
1.24      kristaps  393:
1.16      kristaps  394:        /* So the div isn't empty: */
                    395:        print_text(h, "\\~");
                    396:
1.7       kristaps  397:        return(0);
1.4       kristaps  398: }
                    399:
                    400: static int
                    401: man_SH_pre(MAN_ARGS)
                    402: {
1.54      kristaps  403:        struct htmlpair  tag;
1.4       kristaps  404:
1.54      kristaps  405:        if (MAN_BLOCK == n->type) {
1.76      kristaps  406:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  407:                PAIR_CLASS_INIT(&tag, "section");
                    408:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  409:                return(1);
1.54      kristaps  410:        } else if (MAN_BODY == n->type)
1.4       kristaps  411:                return(1);
                    412:
1.54      kristaps  413:        print_otag(h, TAG_H1, 0, NULL);
1.4       kristaps  414:        return(1);
                    415: }
                    416:
                    417: static int
1.8       kristaps  418: man_alt_pre(MAN_ARGS)
                    419: {
                    420:        const struct man_node   *nn;
1.78      kristaps  421:        int              i, savelit;
1.57      kristaps  422:        enum htmltag     fp;
                    423:        struct tag      *t;
1.8       kristaps  424:
1.93      schwarze  425:        if ((savelit = mh->fl & MANH_LITERAL))
1.78      kristaps  426:                print_otag(h, TAG_BR, 0, NULL);
                    427:
                    428:        mh->fl &= ~MANH_LITERAL;
                    429:
1.8       kristaps  430:        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.57      kristaps  431:                t = NULL;
1.8       kristaps  432:                switch (n->tok) {
1.93      schwarze  433:                case MAN_BI:
1.57      kristaps  434:                        fp = i % 2 ? TAG_I : TAG_B;
1.8       kristaps  435:                        break;
1.93      schwarze  436:                case MAN_IB:
1.57      kristaps  437:                        fp = i % 2 ? TAG_B : TAG_I;
1.8       kristaps  438:                        break;
1.93      schwarze  439:                case MAN_RI:
1.57      kristaps  440:                        fp = i % 2 ? TAG_I : TAG_MAX;
1.8       kristaps  441:                        break;
1.93      schwarze  442:                case MAN_IR:
1.57      kristaps  443:                        fp = i % 2 ? TAG_MAX : TAG_I;
1.8       kristaps  444:                        break;
1.93      schwarze  445:                case MAN_BR:
1.57      kristaps  446:                        fp = i % 2 ? TAG_MAX : TAG_B;
1.8       kristaps  447:                        break;
1.93      schwarze  448:                case MAN_RB:
1.57      kristaps  449:                        fp = i % 2 ? TAG_B : TAG_MAX;
1.8       kristaps  450:                        break;
                    451:                default:
                    452:                        abort();
                    453:                        /* NOTREACHED */
                    454:                }
                    455:
                    456:                if (i)
                    457:                        h->flags |= HTML_NOSPACE;
                    458:
1.57      kristaps  459:                if (TAG_MAX != fp)
                    460:                        t = print_otag(h, fp, 0, NULL);
                    461:
1.89      schwarze  462:                print_man_node(man, nn, mh, h);
1.57      kristaps  463:
                    464:                if (t)
                    465:                        print_tagq(h, t);
1.8       kristaps  466:        }
                    467:
1.78      kristaps  468:        if (savelit)
                    469:                mh->fl |= MANH_LITERAL;
                    470:
1.8       kristaps  471:        return(0);
                    472: }
                    473:
                    474: static int
1.56      kristaps  475: man_SM_pre(MAN_ARGS)
1.8       kristaps  476: {
1.93      schwarze  477:
1.57      kristaps  478:        print_otag(h, TAG_SMALL, 0, NULL);
1.56      kristaps  479:        if (MAN_SB == n->tok)
1.57      kristaps  480:                print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  481:        return(1);
                    482: }
                    483:
                    484: static int
1.4       kristaps  485: man_SS_pre(MAN_ARGS)
                    486: {
1.54      kristaps  487:        struct htmlpair  tag;
1.4       kristaps  488:
1.54      kristaps  489:        if (MAN_BLOCK == n->type) {
1.76      kristaps  490:                mh->fl &= ~MANH_LITERAL;
1.54      kristaps  491:                PAIR_CLASS_INIT(&tag, "subsection");
                    492:                print_otag(h, TAG_DIV, 1, &tag);
1.4       kristaps  493:                return(1);
1.54      kristaps  494:        } else if (MAN_BODY == n->type)
1.4       kristaps  495:                return(1);
                    496:
1.54      kristaps  497:        print_otag(h, TAG_H2, 0, NULL);
1.4       kristaps  498:        return(1);
                    499: }
                    500:
                    501: static int
                    502: man_PP_pre(MAN_ARGS)
                    503: {
                    504:
1.47      kristaps  505:        if (MAN_HEAD == n->type)
                    506:                return(0);
1.74      kristaps  507:        else if (MAN_BLOCK == n->type)
                    508:                print_bvspace(h, n);
1.47      kristaps  509:
1.5       kristaps  510:        return(1);
                    511: }
                    512:
                    513: static int
                    514: man_IP_pre(MAN_ARGS)
                    515: {
                    516:        const struct man_node   *nn;
                    517:
1.93      schwarze  518:        if (MAN_BODY == n->type) {
1.77      kristaps  519:                print_otag(h, TAG_DD, 0, NULL);
                    520:                return(1);
                    521:        } else if (MAN_HEAD != n->type) {
                    522:                print_otag(h, TAG_DL, 0, NULL);
1.6       kristaps  523:                return(1);
                    524:        }
                    525:
1.78      kristaps  526:        /* FIXME: width specification. */
                    527:
1.77      kristaps  528:        print_otag(h, TAG_DT, 0, NULL);
1.6       kristaps  529:
1.59      schwarze  530:        /* For IP, only print the first header element. */
1.7       kristaps  531:
1.59      schwarze  532:        if (MAN_IP == n->tok && n->child)
1.89      schwarze  533:                print_man_node(man, n->child, mh, h);
1.27      kristaps  534:
1.59      schwarze  535:        /* For TP, only print next-line header elements. */
1.6       kristaps  536:
1.91      schwarze  537:        if (MAN_TP == n->tok) {
                    538:                nn = n->child;
                    539:                while (NULL != nn && 0 == (MAN_LINE & nn->flags))
                    540:                        nn = nn->next;
                    541:                while (NULL != nn) {
                    542:                        print_man_node(man, nn, mh, h);
                    543:                        nn = nn->next;
                    544:                }
                    545:        }
1.6       kristaps  546:
                    547:        return(0);
                    548: }
                    549:
                    550: static int
                    551: man_HP_pre(MAN_ARGS)
                    552: {
1.56      kristaps  553:        struct htmlpair  tag;
                    554:        struct roffsu    su;
                    555:        const struct man_node *np;
1.6       kristaps  556:
1.77      kristaps  557:        if (MAN_HEAD == n->type)
                    558:                return(0);
                    559:        else if (MAN_BLOCK != n->type)
                    560:                return(1);
1.72      kristaps  561:
1.77      kristaps  562:        np = n->head->child;
1.6       kristaps  563:
1.56      kristaps  564:        if (NULL == np || ! a2width(np, &su))
                    565:                SCALE_HS_INIT(&su, INDENT);
1.6       kristaps  566:
1.77      kristaps  567:        bufinit(h);
1.5       kristaps  568:
1.77      kristaps  569:        print_bvspace(h, n);
                    570:        bufcat_su(h, "margin-left", &su);
1.56      kristaps  571:        su.scale = -su.scale;
1.7       kristaps  572:        bufcat_su(h, "text-indent", &su);
                    573:        PAIR_STYLE_INIT(&tag, h);
1.77      kristaps  574:        print_otag(h, TAG_P, 1, &tag);
1.4       kristaps  575:        return(1);
                    576: }
1.86      kristaps  577:
                    578: static int
                    579: man_OP_pre(MAN_ARGS)
                    580: {
                    581:        struct tag      *tt;
                    582:        struct htmlpair  tag;
                    583:
                    584:        print_text(h, "[");
                    585:        h->flags |= HTML_NOSPACE;
                    586:        PAIR_CLASS_INIT(&tag, "opt");
                    587:        tt = print_otag(h, TAG_SPAN, 1, &tag);
                    588:
                    589:        if (NULL != (n = n->child)) {
                    590:                print_otag(h, TAG_B, 0, NULL);
                    591:                print_text(h, n->string);
                    592:        }
                    593:
                    594:        print_stagq(h, tt);
                    595:
                    596:        if (NULL != n && NULL != n->next) {
                    597:                print_otag(h, TAG_I, 0, NULL);
                    598:                print_text(h, n->next->string);
                    599:        }
                    600:
                    601:        print_stagq(h, tt);
                    602:        h->flags |= HTML_NOSPACE;
                    603:        print_text(h, "]");
                    604:        return(0);
                    605: }
                    606:
1.8       kristaps  607: static int
                    608: man_B_pre(MAN_ARGS)
                    609: {
                    610:
1.57      kristaps  611:        print_otag(h, TAG_B, 0, NULL);
1.8       kristaps  612:        return(1);
                    613: }
                    614:
                    615: static int
                    616: man_I_pre(MAN_ARGS)
                    617: {
1.93      schwarze  618:
1.57      kristaps  619:        print_otag(h, TAG_I, 0, NULL);
1.8       kristaps  620:        return(1);
1.45      kristaps  621: }
                    622:
                    623: static int
                    624: man_literal_pre(MAN_ARGS)
                    625: {
                    626:
1.88      schwarze  627:        if (MAN_fi == n->tok || MAN_EE == n->tok) {
1.45      kristaps  628:                print_otag(h, TAG_BR, 0, NULL);
1.78      kristaps  629:                mh->fl &= ~MANH_LITERAL;
                    630:        } else
1.45      kristaps  631:                mh->fl |= MANH_LITERAL;
                    632:
1.67      schwarze  633:        return(0);
1.45      kristaps  634: }
                    635:
                    636: static int
                    637: man_in_pre(MAN_ARGS)
                    638: {
                    639:
                    640:        print_otag(h, TAG_BR, 0, NULL);
                    641:        return(0);
1.8       kristaps  642: }
                    643:
                    644: static int
                    645: man_ign_pre(MAN_ARGS)
                    646: {
                    647:
                    648:        return(0);
                    649: }
1.9       kristaps  650:
                    651: static int
                    652: man_RS_pre(MAN_ARGS)
                    653: {
                    654:        struct htmlpair  tag;
                    655:        struct roffsu    su;
                    656:
                    657:        if (MAN_HEAD == n->type)
                    658:                return(0);
                    659:        else if (MAN_BODY == n->type)
                    660:                return(1);
                    661:
                    662:        SCALE_HS_INIT(&su, INDENT);
1.56      kristaps  663:        if (n->head->child)
1.9       kristaps  664:                a2width(n->head->child, &su);
                    665:
1.72      kristaps  666:        bufinit(h);
1.56      kristaps  667:        bufcat_su(h, "margin-left", &su);
1.9       kristaps  668:        PAIR_STYLE_INIT(&tag, h);
                    669:        print_otag(h, TAG_DIV, 1, &tag);
                    670:        return(1);
1.90      schwarze  671: }
                    672:
                    673: static int
                    674: man_UR_pre(MAN_ARGS)
                    675: {
                    676:        struct htmlpair          tag[2];
                    677:
                    678:        n = n->child;
                    679:        assert(MAN_HEAD == n->type);
                    680:        if (n->nchild) {
                    681:                assert(MAN_TEXT == n->child->type);
                    682:                PAIR_CLASS_INIT(&tag[0], "link-ext");
                    683:                PAIR_HREF_INIT(&tag[1], n->child->string);
                    684:                print_otag(h, TAG_A, 2, tag);
                    685:        }
                    686:
                    687:        assert(MAN_BODY == n->next->type);
                    688:        if (n->next->nchild)
                    689:                n = n->next;
                    690:
                    691:        print_man_nodelist(man, n->child, mh, h);
                    692:
                    693:        return(0);
1.9       kristaps  694: }

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