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Annotation of mandoc/mdoc_term.c, Revision 1.217

1.217   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.216 2011/02/06 21:44:36 kristaps Exp $ */
1.1       kristaps    2: /*
1.217   ! schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.171     schwarze    4:  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    9:  *
1.6       kristaps   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.
1.1       kristaps   17:  */
1.107     kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.1       kristaps   22: #include <sys/types.h>
                     23:
                     24: #include <assert.h>
                     25: #include <ctype.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.125     kristaps   31: #include "mandoc.h"
1.92      kristaps   32: #include "out.h"
1.1       kristaps   33: #include "term.h"
                     34: #include "mdoc.h"
1.89      kristaps   35: #include "chars.h"
                     36: #include "main.h"
1.1       kristaps   37:
1.66      kristaps   38: #define        INDENT            5
                     39: #define        HALFINDENT        3
                     40:
1.1       kristaps   41: struct termpair {
                     42:        struct termpair  *ppair;
1.31      kristaps   43:        int               count;
1.1       kristaps   44: };
                     45:
1.31      kristaps   46: #define        DECL_ARGS struct termp *p, \
                     47:                  struct termpair *pair, \
1.86      kristaps   48:                  const struct mdoc_meta *m, \
                     49:                  const struct mdoc_node *n
1.1       kristaps   50:
                     51: struct termact {
                     52:        int     (*pre)(DECL_ARGS);
                     53:        void    (*post)(DECL_ARGS);
                     54: };
                     55:
1.157     kristaps   56: static size_t    a2width(const struct termp *, const char *);
                     57: static size_t    a2height(const struct termp *, const char *);
                     58: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   59:
                     60: static void      print_bvspace(struct termp *,
1.151     kristaps   61:                        const struct mdoc_node *,
1.96      kristaps   62:                        const struct mdoc_node *);
1.102     kristaps   63: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   64: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   65: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   66: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   67: static void      synopsis_pre(struct termp *,
                     68:                        const struct mdoc_node *);
1.96      kristaps   69:
1.31      kristaps   70: static void      termp____post(DECL_ARGS);
1.203     kristaps   71: static void      termp__t_post(DECL_ARGS);
1.61      kristaps   72: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   73: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   74: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   75: static void      termp_bl_post(DECL_ARGS);
                     76: static void      termp_d1_post(DECL_ARGS);
                     77: static void      termp_fo_post(DECL_ARGS);
                     78: static void      termp_in_post(DECL_ARGS);
                     79: static void      termp_it_post(DECL_ARGS);
                     80: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   81: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   82: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   83: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   84: static void      termp_sh_post(DECL_ARGS);
                     85: static void      termp_ss_post(DECL_ARGS);
                     86:
1.184     kristaps   87: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   88: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   89: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   90: static int       termp_ap_pre(DECL_ARGS);
                     91: static int       termp_bd_pre(DECL_ARGS);
                     92: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   93: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   94: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   95: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   96: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   97: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   98: static int       termp_cd_pre(DECL_ARGS);
                     99: static int       termp_d1_pre(DECL_ARGS);
                    100: static int       termp_ex_pre(DECL_ARGS);
                    101: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps  102: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  103: static int       termp_fl_pre(DECL_ARGS);
                    104: static int       termp_fn_pre(DECL_ARGS);
                    105: static int       termp_fo_pre(DECL_ARGS);
                    106: static int       termp_ft_pre(DECL_ARGS);
1.192     schwarze  107: static int       termp_igndelim_pre(DECL_ARGS);
1.31      kristaps  108: static int       termp_in_pre(DECL_ARGS);
                    109: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  110: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  111: static int       termp_lk_pre(DECL_ARGS);
                    112: static int       termp_nd_pre(DECL_ARGS);
                    113: static int       termp_nm_pre(DECL_ARGS);
                    114: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  115: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  116: static int       termp_rs_pre(DECL_ARGS);
                    117: static int       termp_rv_pre(DECL_ARGS);
                    118: static int       termp_sh_pre(DECL_ARGS);
                    119: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  120: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  121: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  122: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  123: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  124: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  125: static int       termp_xr_pre(DECL_ARGS);
                    126: static int       termp_xx_pre(DECL_ARGS);
                    127:
1.70      kristaps  128: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  129:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  130:        { NULL, NULL }, /* Dd */
                    131:        { NULL, NULL }, /* Dt */
                    132:        { NULL, NULL }, /* Os */
                    133:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    134:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  135:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  136:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    137:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    138:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    139:        { NULL, NULL }, /* Ed */
1.115     kristaps  140:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  141:        { NULL, NULL }, /* El */
                    142:        { termp_it_pre, termp_it_post }, /* It */
1.178     kristaps  143:        { termp_under_pre, NULL }, /* Ad */
1.61      kristaps  144:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  145:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  146:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  147:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  148:        { NULL, NULL }, /* Dv */
                    149:        { NULL, NULL }, /* Er */
                    150:        { NULL, NULL }, /* Ev */
                    151:        { termp_ex_pre, NULL }, /* Ex */
                    152:        { termp_fa_pre, NULL }, /* Fa */
1.143     kristaps  153:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  154:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  155:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  156:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  157:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  158:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  159:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  160:        { termp_nd_pre, NULL }, /* Nd */
1.164     schwarze  161:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  162:        { termp_quote_pre, termp_quote_post }, /* Op */
1.1       kristaps  163:        { NULL, NULL }, /* Ot */
1.69      kristaps  164:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  165:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  166:        { NULL, NULL }, /* St */
1.69      kristaps  167:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  168:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  169:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  170:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  171:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  172:        { NULL, termp____post }, /* %D */
1.84      kristaps  173:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  174:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  175:        { NULL, termp____post }, /* %N */
                    176:        { NULL, termp____post }, /* %O */
                    177:        { NULL, termp____post }, /* %P */
                    178:        { NULL, termp____post }, /* %R */
1.203     kristaps  179:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  180:        { NULL, termp____post }, /* %V */
                    181:        { NULL, NULL }, /* Ac */
1.188     kristaps  182:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    183:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  184:        { NULL, NULL }, /* At */
1.1       kristaps  185:        { NULL, NULL }, /* Bc */
                    186:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  187:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    188:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  189:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  190:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  191:        { NULL, NULL }, /* Db */
                    192:        { NULL, NULL }, /* Dc */
1.188     kristaps  193:        { termp_quote_pre, termp_quote_post }, /* Do */
                    194:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  195:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  196:        { NULL, NULL }, /* Ef */
1.69      kristaps  197:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  198:        { NULL, NULL }, /* Eo */
1.26      kristaps  199:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  200:        { termp_bold_pre, NULL }, /* Ms */
1.192     schwarze  201:        { termp_igndelim_pre, NULL }, /* No */
1.1       kristaps  202:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  203:        { termp_xx_pre, NULL }, /* Nx */
                    204:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  205:        { NULL, NULL }, /* Pc */
1.192     schwarze  206:        { termp_igndelim_pre, termp_pf_post }, /* Pf */
1.188     kristaps  207:        { termp_quote_pre, termp_quote_post }, /* Po */
                    208:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  209:        { NULL, NULL }, /* Qc */
1.188     kristaps  210:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    211:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    212:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  213:        { NULL, NULL }, /* Re */
                    214:        { termp_rs_pre, NULL }, /* Rs */
                    215:        { NULL, NULL }, /* Sc */
1.188     kristaps  216:        { termp_quote_pre, termp_quote_post }, /* So */
                    217:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  218:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  219:        { termp_under_pre, NULL }, /* Sx */
                    220:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  221:        { NULL, NULL }, /* Tn */
1.26      kristaps  222:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  223:        { NULL, NULL }, /* Xc */
                    224:        { NULL, NULL }, /* Xo */
                    225:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    226:        { NULL, NULL }, /* Fc */
1.188     kristaps  227:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  228:        { NULL, NULL }, /* Oc */
1.159     schwarze  229:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  230:        { NULL, NULL }, /* Ek */
                    231:        { termp_bt_pre, NULL }, /* Bt */
                    232:        { NULL, NULL }, /* Hf */
                    233:        { NULL, NULL }, /* Fr */
                    234:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  235:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  236:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  237:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  238:        { termp_under_pre, NULL }, /* Mt */
1.188     kristaps  239:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    240:        { termp_quote_pre, termp_quote_post }, /* Bro */
1.1       kristaps  241:        { NULL, NULL }, /* Brc */
1.83      kristaps  242:        { NULL, termp____post }, /* %C */
1.81      kristaps  243:        { NULL, NULL }, /* Es */ /* TODO */
                    244:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  245:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  246:        { NULL, termp____post }, /* %Q */
1.76      kristaps  247:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  248:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  249:        { termp_under_pre, termp____post }, /* %U */
1.135     kristaps  250:        { NULL, NULL }, /* Ta */
1.1       kristaps  251: };
                    252:
                    253:
1.70      kristaps  254: void
1.89      kristaps  255: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  256: {
1.70      kristaps  257:        const struct mdoc_node  *n;
                    258:        const struct mdoc_meta  *m;
1.89      kristaps  259:        struct termp            *p;
                    260:
                    261:        p = (struct termp *)arg;
1.111     kristaps  262:
                    263:        p->overstep = 0;
1.123     joerg     264:        p->maxrmargin = p->defrmargin;
1.157     kristaps  265:        p->tabwidth = term_len(p, 5);
1.89      kristaps  266:
                    267:        if (NULL == p->symtab)
                    268:                switch (p->enc) {
                    269:                case (TERMENC_ASCII):
                    270:                        p->symtab = chars_init(CHARS_ASCII);
                    271:                        break;
                    272:                default:
                    273:                        abort();
                    274:                        /* NOTREACHED */
                    275:                }
1.70      kristaps  276:
                    277:        n = mdoc_node(mdoc);
                    278:        m = mdoc_meta(mdoc);
1.146     schwarze  279:
                    280:        term_begin(p, print_mdoc_head, print_mdoc_foot, m);
1.70      kristaps  281:
                    282:        if (n->child)
1.102     kristaps  283:                print_mdoc_nodelist(p, NULL, m, n->child);
1.144     kristaps  284:
                    285:        term_end(p);
1.1       kristaps  286: }
                    287:
                    288:
1.3       kristaps  289: static void
1.102     kristaps  290: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  291: {
                    292:
1.102     kristaps  293:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  294:        if (n->next)
1.102     kristaps  295:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  296: }
                    297:
                    298:
1.70      kristaps  299: /* ARGSUSED */
1.3       kristaps  300: static void
1.102     kristaps  301: print_mdoc_node(DECL_ARGS)
1.1       kristaps  302: {
1.102     kristaps  303:        int              chld;
                    304:        const void      *font;
1.1       kristaps  305:        struct termpair  npair;
1.30      kristaps  306:        size_t           offset, rmargin;
1.1       kristaps  307:
1.70      kristaps  308:        chld = 1;
1.29      kristaps  309:        offset = p->offset;
1.30      kristaps  310:        rmargin = p->rmargin;
1.102     kristaps  311:        font = term_fontq(p);
1.29      kristaps  312:
1.97      kristaps  313:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  314:        npair.ppair = pair;
1.172     kristaps  315:
                    316:        /*
                    317:         * Keeps only work until the end of a line.  If a keep was
                    318:         * invoked in a prior line, revert it to PREKEEP.
1.197     schwarze  319:         *
                    320:         * Also let SYNPRETTY sections behave as if they were wrapped
                    321:         * in a `Bk' block.
1.172     kristaps  322:         */
                    323:
1.197     schwarze  324:        if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.172     kristaps  325:                if (n->prev && n->prev->line != n->line) {
                    326:                        p->flags &= ~TERMP_KEEP;
                    327:                        p->flags |= TERMP_PREKEEP;
                    328:                } else if (NULL == n->prev) {
                    329:                        if (n->parent && n->parent->line != n->line) {
                    330:                                p->flags &= ~TERMP_KEEP;
                    331:                                p->flags |= TERMP_PREKEEP;
                    332:                        }
                    333:                }
                    334:        }
1.197     schwarze  335:
                    336:        /*
                    337:         * Since SYNPRETTY sections aren't "turned off" with `Ek',
                    338:         * we have to intuit whether we should disable formatting.
                    339:         */
                    340:
                    341:        if ( ! (MDOC_SYNPRETTY & n->flags) &&
                    342:            ((n->prev   && MDOC_SYNPRETTY & n->prev->flags) ||
                    343:             (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
                    344:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.102     kristaps  345:
1.217   ! schwarze  346:        /*
        !           347:         * After the keep flags have been set up, we may now
        !           348:         * produce output.  Note that some pre-handlers do so.
        !           349:         */
        !           350:
        !           351:        switch (n->type) {
        !           352:        case (MDOC_TEXT):
        !           353:                if (' ' == *n->string && MDOC_LINE & n->flags)
        !           354:                        term_newln(p);
        !           355:                term_word(p, n->string);
        !           356:                break;
        !           357:        case (MDOC_EQN):
        !           358:                break;
        !           359:        case (MDOC_TBL):
        !           360:                term_tbl(p, n->span);
        !           361:                break;
        !           362:        default:
        !           363:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
        !           364:                        chld = (*termacts[n->tok].pre)
        !           365:                                (p, &npair, m, n);
        !           366:                break;
        !           367:        }
        !           368:
1.86      kristaps  369:        if (chld && n->child)
1.102     kristaps  370:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  371:
1.102     kristaps  372:        term_fontpopq(p, font);
1.46      kristaps  373:
1.206     kristaps  374:        switch (n->type) {
                    375:        case (MDOC_TEXT):
                    376:                break;
                    377:        case (MDOC_TBL):
1.216     kristaps  378:                break;
                    379:        case (MDOC_EQN):
1.206     kristaps  380:                break;
                    381:        default:
                    382:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    383:                        break;
1.165     kristaps  384:                (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.162     schwarze  385:
                    386:                /*
                    387:                 * Explicit end tokens not only call the post
                    388:                 * handler, but also tell the respective block
                    389:                 * that it must not call the post handler again.
                    390:                 */
1.165     kristaps  391:                if (ENDBODY_NOT != n->end)
1.162     schwarze  392:                        n->pending->flags |= MDOC_ENDED;
                    393:
                    394:                /*
                    395:                 * End of line terminating an implicit block
                    396:                 * while an explicit block is still open.
                    397:                 * Continue the explicit block without spacing.
                    398:                 */
                    399:                if (ENDBODY_NOSPACE == n->end)
                    400:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  401:                break;
1.162     schwarze  402:        }
1.121     kristaps  403:
                    404:        if (MDOC_EOS & n->flags)
                    405:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  406:
                    407:        p->offset = offset;
1.30      kristaps  408:        p->rmargin = rmargin;
1.1       kristaps  409: }
                    410:
                    411:
1.3       kristaps  412: static void
1.145     kristaps  413: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  414: {
1.98      kristaps  415:        char            buf[DATESIZ], os[BUFSIZ];
1.144     kristaps  416:        const struct mdoc_meta *m;
                    417:
                    418:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  419:
1.102     kristaps  420:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  421:
1.9       kristaps  422:        /*
                    423:         * Output the footer in new-groff style, that is, three columns
                    424:         * with the middle being the manual date and flanking columns
                    425:         * being the operating system:
                    426:         *
                    427:         * SYSTEM                  DATE                    SYSTEM
                    428:         */
                    429:
1.94      kristaps  430:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  431:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  432:
                    433:        term_vspace(p);
                    434:
1.9       kristaps  435:        p->offset = 0;
1.157     kristaps  436:        p->rmargin = (p->maxrmargin -
                    437:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  438:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    439:
                    440:        term_word(p, os);
                    441:        term_flushln(p);
                    442:
1.9       kristaps  443:        p->offset = p->rmargin;
1.157     kristaps  444:        p->rmargin = p->maxrmargin - term_strlen(p, os);
1.1       kristaps  445:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  446:
                    447:        term_word(p, buf);
                    448:        term_flushln(p);
                    449:
1.1       kristaps  450:        p->offset = p->rmargin;
                    451:        p->rmargin = p->maxrmargin;
                    452:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  453:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  454:
1.9       kristaps  455:        term_word(p, os);
1.1       kristaps  456:        term_flushln(p);
                    457:
1.9       kristaps  458:        p->offset = 0;
                    459:        p->rmargin = p->maxrmargin;
                    460:        p->flags = 0;
1.1       kristaps  461: }
                    462:
                    463:
1.3       kristaps  464: static void
1.144     kristaps  465: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  466: {
1.98      kristaps  467:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  468:        const struct mdoc_meta *m;
                    469:
                    470:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  471:
                    472:        p->rmargin = p->maxrmargin;
                    473:        p->offset = 0;
                    474:
                    475:        /*
                    476:         * The header is strange.  It has three components, which are
                    477:         * really two with the first duplicated.  It goes like this:
                    478:         *
                    479:         * IDENTIFIER              TITLE                   IDENTIFIER
                    480:         *
                    481:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    482:         * (if given, or "unknown" if not) followed by the manual page
                    483:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    484:         * string depending on the manual volume.  If not specified, it
                    485:         * switches on the manual section.
                    486:         */
                    487:
1.86      kristaps  488:        assert(m->vol);
1.98      kristaps  489:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  490:
1.86      kristaps  491:        if (m->arch) {
1.98      kristaps  492:                strlcat(buf, " (", BUFSIZ);
                    493:                strlcat(buf, m->arch, BUFSIZ);
                    494:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  495:        }
                    496:
1.124     kristaps  497:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  498:
                    499:        p->offset = 0;
1.157     kristaps  500:        p->rmargin = (p->maxrmargin -
                    501:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  502:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    503:
                    504:        term_word(p, title);
                    505:        term_flushln(p);
                    506:
                    507:        p->offset = p->rmargin;
1.157     kristaps  508:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.9       kristaps  509:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  510:
                    511:        term_word(p, buf);
                    512:        term_flushln(p);
                    513:
                    514:        p->offset = p->rmargin;
                    515:        p->rmargin = p->maxrmargin;
                    516:        p->flags &= ~TERMP_NOBREAK;
                    517:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    518:
                    519:        term_word(p, title);
                    520:        term_flushln(p);
                    521:
1.9       kristaps  522:        p->offset = 0;
1.1       kristaps  523:        p->rmargin = p->maxrmargin;
                    524:        p->flags &= ~TERMP_NOSPACE;
                    525: }
                    526:
                    527:
                    528: static size_t
1.157     kristaps  529: a2height(const struct termp *p, const char *v)
1.1       kristaps  530: {
1.92      kristaps  531:        struct roffsu    su;
1.91      kristaps  532:
1.157     kristaps  533:        assert(v);
                    534:        if ( ! a2roffsu(v, &su, SCALE_VS))
                    535:                SCALE_VS_INIT(&su, term_len(p, 1));
1.91      kristaps  536:
1.157     kristaps  537:        return(term_vspan(p, &su));
1.91      kristaps  538: }
1.1       kristaps  539:
1.40      kristaps  540:
1.91      kristaps  541: static size_t
1.157     kristaps  542: a2width(const struct termp *p, const char *v)
1.91      kristaps  543: {
1.92      kristaps  544:        struct roffsu    su;
1.1       kristaps  545:
1.154     kristaps  546:        assert(v);
                    547:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  548:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  549:
1.157     kristaps  550:        return(term_hspan(p, &su));
1.1       kristaps  551: }
                    552:
                    553:
                    554: static size_t
1.157     kristaps  555: a2offs(const struct termp *p, const char *v)
1.1       kristaps  556: {
1.92      kristaps  557:        struct roffsu    su;
1.1       kristaps  558:
1.148     kristaps  559:        if ('\0' == *v)
1.91      kristaps  560:                return(0);
1.148     kristaps  561:        else if (0 == strcmp(v, "left"))
1.19      kristaps  562:                return(0);
1.148     kristaps  563:        else if (0 == strcmp(v, "indent"))
1.157     kristaps  564:                return(term_len(p, INDENT + 1));
1.148     kristaps  565:        else if (0 == strcmp(v, "indent-two"))
1.157     kristaps  566:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  567:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  568:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  569:
1.157     kristaps  570:        return(term_hspan(p, &su));
1.1       kristaps  571: }
                    572:
                    573:
1.108     kristaps  574: /*
                    575:  * Determine how much space to print out before block elements of `It'
                    576:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    577:  * too.
                    578:  */
1.54      kristaps  579: static void
1.151     kristaps  580: print_bvspace(struct termp *p,
                    581:                const struct mdoc_node *bl,
                    582:                const struct mdoc_node *n)
1.1       kristaps  583: {
1.86      kristaps  584:        const struct mdoc_node  *nn;
1.1       kristaps  585:
                    586:        term_newln(p);
1.150     kristaps  587:
1.202     kristaps  588:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  589:                return;
1.202     kristaps  590:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  591:                return;
                    592:
1.85      kristaps  593:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  594:
1.86      kristaps  595:        for (nn = n; nn; nn = nn->parent) {
                    596:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  597:                        continue;
1.86      kristaps  598:                if (MDOC_Ss == nn->tok)
1.54      kristaps  599:                        return;
1.86      kristaps  600:                if (MDOC_Sh == nn->tok)
1.54      kristaps  601:                        return;
1.86      kristaps  602:                if (NULL == nn->prev)
1.1       kristaps  603:                        continue;
                    604:                break;
                    605:        }
                    606:
1.85      kristaps  607:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  608:
1.202     kristaps  609:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  610:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  611:                        return;
                    612:
1.85      kristaps  613:        /* A `-diag' without body does not vspace. */
                    614:
1.202     kristaps  615:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  616:                if (n->prev && MDOC_It == n->prev->tok) {
                    617:                        assert(n->prev->body);
                    618:                        if (NULL == n->prev->body->child)
1.55      kristaps  619:                                return;
                    620:                }
                    621:
1.54      kristaps  622:        term_vspace(p);
1.1       kristaps  623: }
                    624:
                    625:
                    626: /* ARGSUSED */
                    627: static int
                    628: termp_it_pre(DECL_ARGS)
                    629: {
1.86      kristaps  630:        const struct mdoc_node *bl, *nn;
1.1       kristaps  631:        char                    buf[7];
1.170     kristaps  632:        int                     i;
1.108     kristaps  633:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  634:        enum mdoc_list          type;
1.1       kristaps  635:
1.86      kristaps  636:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  637:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  638:                return(1);
                    639:        }
1.1       kristaps  640:
1.86      kristaps  641:        bl = n->parent->parent->parent;
1.202     kristaps  642:        type = bl->norm->Bl.type;
1.1       kristaps  643:
1.108     kristaps  644:        /*
                    645:         * First calculate width and offset.  This is pretty easy unless
                    646:         * we're a -column list, in which case all prior columns must
                    647:         * be accounted for.
                    648:         */
                    649:
                    650:        width = offset = 0;
                    651:
1.202     kristaps  652:        if (bl->norm->Bl.offs)
                    653:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  654:
1.1       kristaps  655:        switch (type) {
1.126     kristaps  656:        case (LIST_column):
1.134     kristaps  657:                if (MDOC_HEAD == n->type)
1.1       kristaps  658:                        break;
1.155     kristaps  659:
1.105     kristaps  660:                /*
1.108     kristaps  661:                 * Imitate groff's column handling:
                    662:                 * - For each earlier column, add its width.
                    663:                 * - For less than 5 columns, add four more blanks per
                    664:                 *   column.
                    665:                 * - For exactly 5 columns, add three more blank per
                    666:                 *   column.
                    667:                 * - For more than 5 columns, add only one column.
1.105     kristaps  668:                 */
1.202     kristaps  669:                ncols = bl->norm->Bl.ncols;
1.170     kristaps  670:
1.108     kristaps  671:                /* LINTED */
1.157     kristaps  672:                dcol = ncols < 5 ? term_len(p, 4) :
                    673:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  674:
1.134     kristaps  675:                /*
                    676:                 * Calculate the offset by applying all prior MDOC_BODY,
                    677:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    678:                 */
                    679:
1.108     kristaps  680:                for (i = 0, nn = n->prev;
1.134     kristaps  681:                                nn->prev && i < (int)ncols;
1.108     kristaps  682:                                nn = nn->prev, i++)
                    683:                        offset += dcol + a2width
1.202     kristaps  684:                                (p, bl->norm->Bl.cols[i]);
1.105     kristaps  685:
                    686:                /*
1.108     kristaps  687:                 * When exceeding the declared number of columns, leave
                    688:                 * the remaining widths at 0.  This will later be
                    689:                 * adjusted to the default width of 10, or, for the last
                    690:                 * column, stretched to the right margin.
1.58      kristaps  691:                 */
1.108     kristaps  692:                if (i >= (int)ncols)
                    693:                        break;
1.58      kristaps  694:
1.105     kristaps  695:                /*
1.108     kristaps  696:                 * Use the declared column widths, extended as explained
                    697:                 * in the preceding paragraph.
1.105     kristaps  698:                 */
1.202     kristaps  699:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  700:                break;
                    701:        default:
1.202     kristaps  702:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  703:                        break;
                    704:
                    705:                /*
                    706:                 * Note: buffer the width by 2, which is groff's magic
                    707:                 * number for buffering single arguments.  See the above
                    708:                 * handling for column for how this changes.
                    709:                 */
1.202     kristaps  710:                assert(bl->norm->Bl.width);
                    711:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  712:                break;
                    713:        }
                    714:
                    715:        /*
                    716:         * List-type can override the width in the case of fixed-head
                    717:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  718:         * offset.
1.1       kristaps  719:         */
                    720:
                    721:        switch (type) {
1.126     kristaps  722:        case (LIST_bullet):
1.1       kristaps  723:                /* FALLTHROUGH */
1.126     kristaps  724:        case (LIST_dash):
1.1       kristaps  725:                /* FALLTHROUGH */
1.126     kristaps  726:        case (LIST_hyphen):
1.157     kristaps  727:                if (width < term_len(p, 4))
                    728:                        width = term_len(p, 4);
1.1       kristaps  729:                break;
1.126     kristaps  730:        case (LIST_enum):
1.157     kristaps  731:                if (width < term_len(p, 5))
                    732:                        width = term_len(p, 5);
1.17      kristaps  733:                break;
1.126     kristaps  734:        case (LIST_hang):
1.39      kristaps  735:                if (0 == width)
1.157     kristaps  736:                        width = term_len(p, 8);
1.39      kristaps  737:                break;
1.126     kristaps  738:        case (LIST_column):
1.49      kristaps  739:                /* FALLTHROUGH */
1.126     kristaps  740:        case (LIST_tag):
1.1       kristaps  741:                if (0 == width)
1.157     kristaps  742:                        width = term_len(p, 10);
1.1       kristaps  743:                break;
                    744:        default:
                    745:                break;
                    746:        }
                    747:
                    748:        /*
1.17      kristaps  749:         * Whitespace control.  Inset bodies need an initial space,
                    750:         * while diagonal bodies need two.
1.1       kristaps  751:         */
                    752:
1.51      kristaps  753:        p->flags |= TERMP_NOSPACE;
                    754:
1.1       kristaps  755:        switch (type) {
1.126     kristaps  756:        case (LIST_diag):
1.86      kristaps  757:                if (MDOC_BODY == n->type)
1.62      kristaps  758:                        term_word(p, "\\ \\ ");
1.51      kristaps  759:                break;
1.126     kristaps  760:        case (LIST_inset):
1.86      kristaps  761:                if (MDOC_BODY == n->type)
1.51      kristaps  762:                        term_word(p, "\\ ");
1.1       kristaps  763:                break;
                    764:        default:
                    765:                break;
                    766:        }
                    767:
1.51      kristaps  768:        p->flags |= TERMP_NOSPACE;
                    769:
1.1       kristaps  770:        switch (type) {
1.126     kristaps  771:        case (LIST_diag):
1.86      kristaps  772:                if (MDOC_HEAD == n->type)
1.102     kristaps  773:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  774:                break;
                    775:        default:
                    776:                break;
                    777:        }
                    778:
                    779:        /*
1.109     kristaps  780:         * Pad and break control.  This is the tricky part.  These flags
                    781:         * are documented in term_flushln() in term.c.  Note that we're
                    782:         * going to unset all of these flags in termp_it_post() when we
                    783:         * exit.
1.1       kristaps  784:         */
                    785:
                    786:        switch (type) {
1.126     kristaps  787:        case (LIST_bullet):
1.1       kristaps  788:                /* FALLTHROUGH */
1.126     kristaps  789:        case (LIST_dash):
1.1       kristaps  790:                /* FALLTHROUGH */
1.126     kristaps  791:        case (LIST_enum):
1.1       kristaps  792:                /* FALLTHROUGH */
1.126     kristaps  793:        case (LIST_hyphen):
1.86      kristaps  794:                if (MDOC_HEAD == n->type)
1.39      kristaps  795:                        p->flags |= TERMP_NOBREAK;
                    796:                else
                    797:                        p->flags |= TERMP_NOLPAD;
                    798:                break;
1.126     kristaps  799:        case (LIST_hang):
1.86      kristaps  800:                if (MDOC_HEAD == n->type)
1.39      kristaps  801:                        p->flags |= TERMP_NOBREAK;
                    802:                else
                    803:                        p->flags |= TERMP_NOLPAD;
                    804:
1.86      kristaps  805:                if (MDOC_HEAD != n->type)
1.59      kristaps  806:                        break;
                    807:
                    808:                /*
                    809:                 * This is ugly.  If `-hang' is specified and the body
                    810:                 * is a `Bl' or `Bd', then we want basically to nullify
                    811:                 * the "overstep" effect in term_flushln() and treat
                    812:                 * this as a `-ohang' list instead.
                    813:                 */
1.86      kristaps  814:                if (n->next->child &&
                    815:                                (MDOC_Bl == n->next->child->tok ||
                    816:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  817:                        p->flags &= ~TERMP_NOBREAK;
                    818:                        p->flags &= ~TERMP_NOLPAD;
                    819:                } else
1.39      kristaps  820:                        p->flags |= TERMP_HANG;
                    821:                break;
1.126     kristaps  822:        case (LIST_tag):
1.86      kristaps  823:                if (MDOC_HEAD == n->type)
1.51      kristaps  824:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  825:                else
                    826:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  827:
1.86      kristaps  828:                if (MDOC_HEAD != n->type)
1.39      kristaps  829:                        break;
1.86      kristaps  830:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  831:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  832:                break;
1.126     kristaps  833:        case (LIST_column):
1.134     kristaps  834:                if (MDOC_HEAD == n->type)
                    835:                        break;
                    836:
                    837:                if (NULL == n->next)
                    838:                        p->flags &= ~TERMP_NOBREAK;
                    839:                else
                    840:                        p->flags |= TERMP_NOBREAK;
                    841:
                    842:                assert(n->prev);
                    843:                if (MDOC_BODY == n->prev->type)
                    844:                        p->flags |= TERMP_NOLPAD;
                    845:
1.1       kristaps  846:                break;
1.126     kristaps  847:        case (LIST_diag):
1.86      kristaps  848:                if (MDOC_HEAD == n->type)
1.1       kristaps  849:                        p->flags |= TERMP_NOBREAK;
                    850:                break;
                    851:        default:
                    852:                break;
                    853:        }
                    854:
                    855:        /*
                    856:         * Margin control.  Set-head-width lists have their right
                    857:         * margins shortened.  The body for these lists has the offset
                    858:         * necessarily lengthened.  Everybody gets the offset.
                    859:         */
                    860:
                    861:        p->offset += offset;
                    862:
                    863:        switch (type) {
1.126     kristaps  864:        case (LIST_hang):
1.59      kristaps  865:                /*
                    866:                 * Same stipulation as above, regarding `-hang'.  We
                    867:                 * don't want to recalculate rmargin and offsets when
                    868:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    869:                 */
1.86      kristaps  870:                if (MDOC_HEAD == n->type && n->next->child &&
                    871:                                (MDOC_Bl == n->next->child->tok ||
                    872:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  873:                        break;
                    874:                /* FALLTHROUGH */
1.126     kristaps  875:        case (LIST_bullet):
1.1       kristaps  876:                /* FALLTHROUGH */
1.126     kristaps  877:        case (LIST_dash):
1.1       kristaps  878:                /* FALLTHROUGH */
1.126     kristaps  879:        case (LIST_enum):
1.1       kristaps  880:                /* FALLTHROUGH */
1.126     kristaps  881:        case (LIST_hyphen):
1.1       kristaps  882:                /* FALLTHROUGH */
1.126     kristaps  883:        case (LIST_tag):
1.49      kristaps  884:                assert(width);
1.86      kristaps  885:                if (MDOC_HEAD == n->type)
1.1       kristaps  886:                        p->rmargin = p->offset + width;
                    887:                else
                    888:                        p->offset += width;
                    889:                break;
1.126     kristaps  890:        case (LIST_column):
1.49      kristaps  891:                assert(width);
1.1       kristaps  892:                p->rmargin = p->offset + width;
1.50      kristaps  893:                /*
                    894:                 * XXX - this behaviour is not documented: the
                    895:                 * right-most column is filled to the right margin.
                    896:                 */
1.134     kristaps  897:                if (MDOC_HEAD == n->type)
                    898:                        break;
                    899:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  900:                        p->rmargin = p->maxrmargin;
1.1       kristaps  901:                break;
                    902:        default:
                    903:                break;
                    904:        }
                    905:
                    906:        /*
                    907:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  908:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  909:         */
                    910:
1.86      kristaps  911:        if (MDOC_HEAD == n->type)
1.1       kristaps  912:                switch (type) {
1.126     kristaps  913:                case (LIST_bullet):
1.102     kristaps  914:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  915:                        term_word(p, "\\[bu]");
1.102     kristaps  916:                        term_fontpop(p);
1.1       kristaps  917:                        break;
1.126     kristaps  918:                case (LIST_dash):
1.1       kristaps  919:                        /* FALLTHROUGH */
1.126     kristaps  920:                case (LIST_hyphen):
1.102     kristaps  921:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  922:                        term_word(p, "\\(hy");
1.102     kristaps  923:                        term_fontpop(p);
1.1       kristaps  924:                        break;
1.126     kristaps  925:                case (LIST_enum):
1.1       kristaps  926:                        (pair->ppair->ppair->count)++;
1.109     kristaps  927:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  928:                                        pair->ppair->ppair->count);
                    929:                        term_word(p, buf);
                    930:                        break;
                    931:                default:
                    932:                        break;
                    933:                }
                    934:
                    935:        /*
                    936:         * If we're not going to process our children, indicate so here.
                    937:         */
                    938:
                    939:        switch (type) {
1.126     kristaps  940:        case (LIST_bullet):
1.1       kristaps  941:                /* FALLTHROUGH */
1.126     kristaps  942:        case (LIST_item):
1.1       kristaps  943:                /* FALLTHROUGH */
1.126     kristaps  944:        case (LIST_dash):
1.1       kristaps  945:                /* FALLTHROUGH */
1.126     kristaps  946:        case (LIST_hyphen):
1.1       kristaps  947:                /* FALLTHROUGH */
1.126     kristaps  948:        case (LIST_enum):
1.86      kristaps  949:                if (MDOC_HEAD == n->type)
1.1       kristaps  950:                        return(0);
                    951:                break;
1.126     kristaps  952:        case (LIST_column):
1.134     kristaps  953:                if (MDOC_HEAD == n->type)
1.1       kristaps  954:                        return(0);
                    955:                break;
                    956:        default:
                    957:                break;
                    958:        }
                    959:
                    960:        return(1);
                    961: }
                    962:
                    963:
                    964: /* ARGSUSED */
                    965: static void
                    966: termp_it_post(DECL_ARGS)
                    967: {
1.126     kristaps  968:        enum mdoc_list     type;
1.1       kristaps  969:
1.109     kristaps  970:        if (MDOC_BLOCK == n->type)
1.1       kristaps  971:                return;
                    972:
1.202     kristaps  973:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  974:
                    975:        switch (type) {
1.126     kristaps  976:        case (LIST_item):
1.1       kristaps  977:                /* FALLTHROUGH */
1.126     kristaps  978:        case (LIST_diag):
1.53      kristaps  979:                /* FALLTHROUGH */
1.126     kristaps  980:        case (LIST_inset):
1.86      kristaps  981:                if (MDOC_BODY == n->type)
1.130     schwarze  982:                        term_newln(p);
1.1       kristaps  983:                break;
1.126     kristaps  984:        case (LIST_column):
1.134     kristaps  985:                if (MDOC_BODY == n->type)
1.1       kristaps  986:                        term_flushln(p);
                    987:                break;
                    988:        default:
1.130     schwarze  989:                term_newln(p);
1.1       kristaps  990:                break;
                    991:        }
                    992:
1.109     kristaps  993:        /*
                    994:         * Now that our output is flushed, we can reset our tags.  Since
                    995:         * only `It' sets these flags, we're free to assume that nobody
                    996:         * has munged them in the meanwhile.
                    997:         */
                    998:
                    999:        p->flags &= ~TERMP_DANGLE;
                   1000:        p->flags &= ~TERMP_NOBREAK;
                   1001:        p->flags &= ~TERMP_TWOSPACE;
                   1002:        p->flags &= ~TERMP_NOLPAD;
                   1003:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1004: }
                   1005:
                   1006:
                   1007: /* ARGSUSED */
                   1008: static int
                   1009: termp_nm_pre(DECL_ARGS)
                   1010: {
                   1011:
1.164     schwarze 1012:        if (MDOC_BLOCK == n->type)
                   1013:                return(1);
                   1014:
                   1015:        if (MDOC_BODY == n->type) {
                   1016:                if (NULL == n->child)
                   1017:                        return(0);
                   1018:                p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                   1019:                p->offset += term_len(p, 1) +
                   1020:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1021:                     MDOC_TEXT == n->prev->child->type ?
                   1022:                        term_strlen(p, n->prev->child->string) :
                   1023:                     term_len(p, 5));
                   1024:                return(1);
                   1025:        }
                   1026:
1.125     kristaps 1027:        if (NULL == n->child && NULL == m->name)
1.164     schwarze 1028:                return(0);
1.125     kristaps 1029:
1.177     schwarze 1030:        if (MDOC_HEAD == n->type)
                   1031:                synopsis_pre(p, n->parent);
1.102     kristaps 1032:
1.164     schwarze 1033:        if (MDOC_HEAD == n->type && n->next->child) {
1.185     schwarze 1034:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                   1035:                p->rmargin = p->offset + term_len(p, 1);
                   1036:                if (NULL == n->child) {
                   1037:                        p->rmargin += term_strlen(p, m->name);
                   1038:                } else if (MDOC_TEXT == n->child->type) {
                   1039:                        p->rmargin += term_strlen(p, n->child->string);
                   1040:                        if (n->child->next)
                   1041:                                p->flags |= TERMP_HANG;
                   1042:                } else {
                   1043:                        p->rmargin += term_len(p, 5);
                   1044:                        p->flags |= TERMP_HANG;
                   1045:                }
1.164     schwarze 1046:        }
                   1047:
1.102     kristaps 1048:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1049:        if (NULL == n->child)
                   1050:                term_word(p, m->name);
1.1       kristaps 1051:        return(1);
                   1052: }
                   1053:
                   1054:
1.164     schwarze 1055: /* ARGSUSED */
                   1056: static void
                   1057: termp_nm_post(DECL_ARGS)
                   1058: {
                   1059:
                   1060:        if (MDOC_HEAD == n->type && n->next->child) {
                   1061:                term_flushln(p);
                   1062:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1063:        } else if (MDOC_BODY == n->type && n->child) {
                   1064:                term_flushln(p);
                   1065:                p->flags &= ~TERMP_NOLPAD;
                   1066:        }
                   1067: }
                   1068:
                   1069:
1.1       kristaps 1070: /* ARGSUSED */
                   1071: static int
                   1072: termp_fl_pre(DECL_ARGS)
                   1073: {
                   1074:
1.102     kristaps 1075:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1076:        term_word(p, "\\-");
1.103     kristaps 1077:
                   1078:        if (n->child)
1.114     kristaps 1079:                p->flags |= TERMP_NOSPACE;
                   1080:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1081:                p->flags |= TERMP_NOSPACE;
                   1082:
1.1       kristaps 1083:        return(1);
                   1084: }
                   1085:
                   1086:
                   1087: /* ARGSUSED */
                   1088: static int
1.184     kristaps 1089: termp__a_pre(DECL_ARGS)
                   1090: {
                   1091:
                   1092:        if (n->prev && MDOC__A == n->prev->tok)
                   1093:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1094:                        term_word(p, "and");
                   1095:
                   1096:        return(1);
                   1097: }
                   1098:
                   1099:
                   1100: /* ARGSUSED */
                   1101: static int
1.61      kristaps 1102: termp_an_pre(DECL_ARGS)
                   1103: {
                   1104:
1.86      kristaps 1105:        if (NULL == n->child)
1.61      kristaps 1106:                return(1);
                   1107:
                   1108:        /*
1.85      kristaps 1109:         * If not in the AUTHORS section, `An -split' will cause
                   1110:         * newlines to occur before the author name.  If in the AUTHORS
                   1111:         * section, by default, the first `An' invocation is nosplit,
                   1112:         * then all subsequent ones, regardless of whether interspersed
                   1113:         * with other macros/text, are split.  -split, in this case,
                   1114:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1115:         */
                   1116:
1.86      kristaps 1117:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1118:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1119:                        if (TERMP_SPLIT & p->flags)
                   1120:                                term_newln(p);
                   1121:                        return(1);
                   1122:                }
                   1123:                if (TERMP_NOSPLIT & p->flags)
                   1124:                        return(1);
                   1125:                term_newln(p);
                   1126:                return(1);
                   1127:        }
                   1128:
                   1129:        if (TERMP_SPLIT & p->flags)
                   1130:                term_newln(p);
                   1131:
                   1132:        return(1);
                   1133: }
                   1134:
                   1135:
                   1136: /* ARGSUSED */
                   1137: static void
                   1138: termp_an_post(DECL_ARGS)
                   1139: {
                   1140:
1.86      kristaps 1141:        if (n->child) {
                   1142:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1143:                        p->flags |= TERMP_ANPREC;
                   1144:                return;
                   1145:        }
                   1146:
1.202     kristaps 1147:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1148:                p->flags &= ~TERMP_NOSPLIT;
                   1149:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1150:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1151:                p->flags &= ~TERMP_SPLIT;
                   1152:                p->flags |= TERMP_NOSPLIT;
                   1153:        }
                   1154:
                   1155: }
                   1156:
                   1157:
                   1158: /* ARGSUSED */
                   1159: static int
1.1       kristaps 1160: termp_ns_pre(DECL_ARGS)
                   1161: {
                   1162:
1.215     kristaps 1163:        if ( ! (MDOC_LINE & n->flags))
                   1164:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1165:        return(1);
                   1166: }
                   1167:
                   1168:
                   1169: /* ARGSUSED */
                   1170: static int
                   1171: termp_rs_pre(DECL_ARGS)
                   1172: {
                   1173:
1.86      kristaps 1174:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1175:                return(1);
1.86      kristaps 1176:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1177:                term_vspace(p);
                   1178:        return(1);
                   1179: }
                   1180:
                   1181:
                   1182: /* ARGSUSED */
                   1183: static int
                   1184: termp_rv_pre(DECL_ARGS)
                   1185: {
1.68      kristaps 1186:        const struct mdoc_node  *nn;
1.1       kristaps 1187:
                   1188:        term_newln(p);
                   1189:        term_word(p, "The");
                   1190:
1.86      kristaps 1191:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1192:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1193:                term_word(p, nn->string);
1.102     kristaps 1194:                term_fontpop(p);
1.68      kristaps 1195:                p->flags |= TERMP_NOSPACE;
                   1196:                if (nn->next && NULL == nn->next->next)
                   1197:                        term_word(p, "(), and");
                   1198:                else if (nn->next)
                   1199:                        term_word(p, "(),");
                   1200:                else
                   1201:                        term_word(p, "()");
                   1202:        }
                   1203:
1.125     kristaps 1204:        if (n->child && n->child->next)
1.68      kristaps 1205:                term_word(p, "functions return");
                   1206:        else
                   1207:                term_word(p, "function returns");
1.1       kristaps 1208:
1.68      kristaps 1209:                term_word(p, "the value 0 if successful; otherwise the value "
                   1210:                        "-1 is returned and the global variable");
1.1       kristaps 1211:
1.102     kristaps 1212:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1213:        term_word(p, "errno");
1.102     kristaps 1214:        term_fontpop(p);
1.1       kristaps 1215:
                   1216:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1217:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1218:
1.68      kristaps 1219:        return(0);
1.1       kristaps 1220: }
                   1221:
                   1222:
                   1223: /* ARGSUSED */
                   1224: static int
                   1225: termp_ex_pre(DECL_ARGS)
                   1226: {
1.68      kristaps 1227:        const struct mdoc_node  *nn;
1.1       kristaps 1228:
1.68      kristaps 1229:        term_word(p, "The");
1.1       kristaps 1230:
1.86      kristaps 1231:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1232:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1233:                term_word(p, nn->string);
1.102     kristaps 1234:                term_fontpop(p);
1.68      kristaps 1235:                p->flags |= TERMP_NOSPACE;
                   1236:                if (nn->next && NULL == nn->next->next)
                   1237:                        term_word(p, ", and");
                   1238:                else if (nn->next)
                   1239:                        term_word(p, ",");
                   1240:                else
                   1241:                        p->flags &= ~TERMP_NOSPACE;
                   1242:        }
                   1243:
1.125     kristaps 1244:        if (n->child && n->child->next)
1.68      kristaps 1245:                term_word(p, "utilities exit");
                   1246:        else
                   1247:                term_word(p, "utility exits");
                   1248:
                   1249:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131     kristaps 1250:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1251:
1.68      kristaps 1252:        return(0);
1.1       kristaps 1253: }
                   1254:
                   1255:
                   1256: /* ARGSUSED */
                   1257: static int
                   1258: termp_nd_pre(DECL_ARGS)
                   1259: {
1.25      kristaps 1260:
1.86      kristaps 1261:        if (MDOC_BODY != n->type)
1.25      kristaps 1262:                return(1);
1.30      kristaps 1263:
1.27      kristaps 1264: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1265:        term_word(p, "\\(en");
1.23      kristaps 1266: #else
                   1267:        term_word(p, "\\(em");
                   1268: #endif
1.1       kristaps 1269:        return(1);
1.115     kristaps 1270: }
                   1271:
                   1272:
                   1273: /* ARGSUSED */
                   1274: static int
                   1275: termp_bl_pre(DECL_ARGS)
                   1276: {
                   1277:
                   1278:        return(MDOC_HEAD != n->type);
1.1       kristaps 1279: }
                   1280:
                   1281:
                   1282: /* ARGSUSED */
                   1283: static void
                   1284: termp_bl_post(DECL_ARGS)
                   1285: {
                   1286:
1.86      kristaps 1287:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1288:                term_newln(p);
                   1289: }
                   1290:
                   1291:
                   1292: /* ARGSUSED */
                   1293: static int
                   1294: termp_xr_pre(DECL_ARGS)
                   1295: {
1.86      kristaps 1296:        const struct mdoc_node *nn;
1.1       kristaps 1297:
1.113     kristaps 1298:        if (NULL == n->child)
                   1299:                return(0);
                   1300:
                   1301:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1302:        nn = n->child;
1.11      kristaps 1303:
1.86      kristaps 1304:        term_word(p, nn->string);
                   1305:        if (NULL == (nn = nn->next))
1.1       kristaps 1306:                return(0);
                   1307:        p->flags |= TERMP_NOSPACE;
                   1308:        term_word(p, "(");
1.86      kristaps 1309:        term_word(p, nn->string);
1.1       kristaps 1310:        term_word(p, ")");
1.86      kristaps 1311:
1.1       kristaps 1312:        return(0);
                   1313: }
                   1314:
                   1315:
1.143     kristaps 1316: /*
                   1317:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1318:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1319:  * macro combos).
                   1320:  */
                   1321: static void
                   1322: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1323: {
                   1324:        /*
                   1325:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1326:         * exist, do nothing.
                   1327:         */
1.160     kristaps 1328:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1329:                return;
                   1330:
                   1331:        /*
                   1332:         * If we're the second in a pair of like elements, emit our
                   1333:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1334:         * case we soldier on.
                   1335:         */
                   1336:        if (n->prev->tok == n->tok &&
                   1337:                        MDOC_Ft != n->tok &&
                   1338:                        MDOC_Fo != n->tok &&
                   1339:                        MDOC_Fn != n->tok) {
                   1340:                term_newln(p);
                   1341:                return;
                   1342:        }
                   1343:
                   1344:        /*
                   1345:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1346:         * another (or Fn/Fo, which we've let slip through) then assert
                   1347:         * vertical space, else only newline and move on.
                   1348:         */
                   1349:        switch (n->prev->tok) {
                   1350:        case (MDOC_Fd):
                   1351:                /* FALLTHROUGH */
                   1352:        case (MDOC_Fn):
                   1353:                /* FALLTHROUGH */
                   1354:        case (MDOC_Fo):
                   1355:                /* FALLTHROUGH */
                   1356:        case (MDOC_In):
                   1357:                /* FALLTHROUGH */
                   1358:        case (MDOC_Vt):
                   1359:                term_vspace(p);
                   1360:                break;
                   1361:        case (MDOC_Ft):
                   1362:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1363:                        term_vspace(p);
                   1364:                        break;
                   1365:                }
                   1366:                /* FALLTHROUGH */
                   1367:        default:
                   1368:                term_newln(p);
                   1369:                break;
                   1370:        }
                   1371: }
                   1372:
                   1373:
1.110     kristaps 1374: static int
                   1375: termp_vt_pre(DECL_ARGS)
                   1376: {
                   1377:
1.143     kristaps 1378:        if (MDOC_ELEM == n->type) {
                   1379:                synopsis_pre(p, n);
1.110     kristaps 1380:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1381:        } else if (MDOC_BLOCK == n->type) {
                   1382:                synopsis_pre(p, n);
                   1383:                return(1);
                   1384:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1385:                return(0);
                   1386:
                   1387:        return(termp_under_pre(p, pair, m, n));
                   1388: }
                   1389:
                   1390:
1.1       kristaps 1391: /* ARGSUSED */
                   1392: static int
1.69      kristaps 1393: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1394: {
                   1395:
1.102     kristaps 1396:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1397:        return(1);
                   1398: }
                   1399:
                   1400:
                   1401: /* ARGSUSED */
1.143     kristaps 1402: static int
                   1403: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1404: {
                   1405:
1.143     kristaps 1406:        synopsis_pre(p, n);
                   1407:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1408: }
                   1409:
                   1410:
                   1411: /* ARGSUSED */
                   1412: static int
                   1413: termp_sh_pre(DECL_ARGS)
                   1414: {
1.85      kristaps 1415:
                   1416:        /* No vspace between consecutive `Sh' calls. */
                   1417:
1.86      kristaps 1418:        switch (n->type) {
1.65      kristaps 1419:        case (MDOC_BLOCK):
1.86      kristaps 1420:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1421:                        if (NULL == n->prev->body->child)
1.65      kristaps 1422:                                break;
                   1423:                term_vspace(p);
                   1424:                break;
1.1       kristaps 1425:        case (MDOC_HEAD):
1.102     kristaps 1426:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1427:                break;
                   1428:        case (MDOC_BODY):
1.157     kristaps 1429:                p->offset = term_len(p, INDENT);
1.1       kristaps 1430:                break;
                   1431:        default:
                   1432:                break;
                   1433:        }
                   1434:        return(1);
                   1435: }
                   1436:
                   1437:
                   1438: /* ARGSUSED */
                   1439: static void
                   1440: termp_sh_post(DECL_ARGS)
                   1441: {
                   1442:
1.86      kristaps 1443:        switch (n->type) {
1.1       kristaps 1444:        case (MDOC_HEAD):
                   1445:                term_newln(p);
                   1446:                break;
                   1447:        case (MDOC_BODY):
                   1448:                term_newln(p);
                   1449:                p->offset = 0;
                   1450:                break;
                   1451:        default:
                   1452:                break;
                   1453:        }
                   1454: }
                   1455:
                   1456:
                   1457: /* ARGSUSED */
                   1458: static int
                   1459: termp_bt_pre(DECL_ARGS)
                   1460: {
                   1461:
                   1462:        term_word(p, "is currently in beta test.");
1.131     kristaps 1463:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1464:        return(0);
1.1       kristaps 1465: }
                   1466:
                   1467:
                   1468: /* ARGSUSED */
                   1469: static void
                   1470: termp_lb_post(DECL_ARGS)
                   1471: {
                   1472:
1.122     kristaps 1473:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1474:                term_newln(p);
1.1       kristaps 1475: }
                   1476:
                   1477:
                   1478: /* ARGSUSED */
                   1479: static int
                   1480: termp_ud_pre(DECL_ARGS)
                   1481: {
                   1482:
                   1483:        term_word(p, "currently under development.");
1.131     kristaps 1484:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1485:        return(0);
1.1       kristaps 1486: }
                   1487:
                   1488:
                   1489: /* ARGSUSED */
                   1490: static int
                   1491: termp_d1_pre(DECL_ARGS)
                   1492: {
                   1493:
1.86      kristaps 1494:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1495:                return(1);
                   1496:        term_newln(p);
1.157     kristaps 1497:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1498:        return(1);
                   1499: }
                   1500:
                   1501:
                   1502: /* ARGSUSED */
                   1503: static void
                   1504: termp_d1_post(DECL_ARGS)
                   1505: {
                   1506:
1.86      kristaps 1507:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1508:                return;
                   1509:        term_newln(p);
                   1510: }
                   1511:
                   1512:
                   1513: /* ARGSUSED */
                   1514: static int
                   1515: termp_ft_pre(DECL_ARGS)
                   1516: {
                   1517:
1.141     kristaps 1518:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1519:        synopsis_pre(p, n);
1.102     kristaps 1520:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1521:        return(1);
                   1522: }
                   1523:
                   1524:
                   1525: /* ARGSUSED */
                   1526: static int
                   1527: termp_fn_pre(DECL_ARGS)
                   1528: {
1.86      kristaps 1529:        const struct mdoc_node  *nn;
1.1       kristaps 1530:
1.143     kristaps 1531:        synopsis_pre(p, n);
1.139     kristaps 1532:
1.102     kristaps 1533:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1534:        term_word(p, n->child->string);
1.102     kristaps 1535:        term_fontpop(p);
1.1       kristaps 1536:
                   1537:        p->flags |= TERMP_NOSPACE;
                   1538:        term_word(p, "(");
                   1539:
1.86      kristaps 1540:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1541:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1542:                term_word(p, nn->string);
1.102     kristaps 1543:                term_fontpop(p);
                   1544:
1.86      kristaps 1545:                if (nn->next)
1.1       kristaps 1546:                        term_word(p, ",");
                   1547:        }
                   1548:
                   1549:        term_word(p, ")");
                   1550:
1.160     kristaps 1551:        if (MDOC_SYNPRETTY & n->flags)
1.1       kristaps 1552:                term_word(p, ";");
                   1553:
                   1554:        return(0);
                   1555: }
                   1556:
                   1557:
                   1558: /* ARGSUSED */
                   1559: static int
                   1560: termp_fa_pre(DECL_ARGS)
                   1561: {
1.86      kristaps 1562:        const struct mdoc_node  *nn;
1.1       kristaps 1563:
1.86      kristaps 1564:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1565:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1566:                return(1);
                   1567:        }
                   1568:
1.86      kristaps 1569:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1570:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1571:                term_word(p, nn->string);
1.102     kristaps 1572:                term_fontpop(p);
                   1573:
1.86      kristaps 1574:                if (nn->next)
1.1       kristaps 1575:                        term_word(p, ",");
                   1576:        }
                   1577:
1.86      kristaps 1578:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1579:                term_word(p, ",");
                   1580:
                   1581:        return(0);
                   1582: }
                   1583:
                   1584:
                   1585: /* ARGSUSED */
                   1586: static int
                   1587: termp_bd_pre(DECL_ARGS)
                   1588: {
1.179     kristaps 1589:        size_t                   tabwidth, rm, rmax;
1.85      kristaps 1590:        const struct mdoc_node  *nn;
1.1       kristaps 1591:
1.86      kristaps 1592:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1593:                print_bvspace(p, n, n);
1.54      kristaps 1594:                return(1);
1.116     kristaps 1595:        } else if (MDOC_HEAD == n->type)
                   1596:                return(0);
1.1       kristaps 1597:
1.202     kristaps 1598:        if (n->norm->Bd.offs)
                   1599:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1600:
                   1601:        /*
                   1602:         * If -ragged or -filled are specified, the block does nothing
                   1603:         * but change the indentation.  If -unfilled or -literal are
                   1604:         * specified, text is printed exactly as entered in the display:
                   1605:         * for macro lines, a newline is appended to the line.  Blank
                   1606:         * lines are allowed.
                   1607:         */
1.60      kristaps 1608:
1.202     kristaps 1609:        if (DISP_literal != n->norm->Bd.type &&
                   1610:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1611:                return(1);
                   1612:
1.129     schwarze 1613:        tabwidth = p->tabwidth;
1.208     kristaps 1614:        if (DISP_literal == n->norm->Bd.type)
                   1615:                p->tabwidth = term_len(p, 8);
                   1616:
1.119     kristaps 1617:        rm = p->rmargin;
                   1618:        rmax = p->maxrmargin;
1.120     kristaps 1619:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1620:
1.86      kristaps 1621:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1622:                print_mdoc_node(p, pair, m, nn);
1.190     kristaps 1623:                /*
                   1624:                 * If the printed node flushes its own line, then we
                   1625:                 * needn't do it here as well.  This is hacky, but the
                   1626:                 * notion of selective eoln whitespace is pretty dumb
                   1627:                 * anyway, so don't sweat it.
                   1628:                 */
                   1629:                switch (nn->tok) {
1.193     kristaps 1630:                case (MDOC_Sm):
                   1631:                        /* FALLTHROUGH */
1.190     kristaps 1632:                case (MDOC_br):
                   1633:                        /* FALLTHROUGH */
                   1634:                case (MDOC_sp):
                   1635:                        /* FALLTHROUGH */
                   1636:                case (MDOC_Bl):
1.196     kristaps 1637:                        /* FALLTHROUGH */
                   1638:                case (MDOC_D1):
                   1639:                        /* FALLTHROUGH */
                   1640:                case (MDOC_Dl):
1.190     kristaps 1641:                        /* FALLTHROUGH */
                   1642:                case (MDOC_Lp):
                   1643:                        /* FALLTHROUGH */
                   1644:                case (MDOC_Pp):
                   1645:                        continue;
                   1646:                default:
                   1647:                        break;
                   1648:                }
1.180     schwarze 1649:                if (nn->next && nn->next->line == nn->line)
                   1650:                        continue;
                   1651:                term_flushln(p);
                   1652:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1653:        }
1.147     kristaps 1654:
1.129     schwarze 1655:        p->tabwidth = tabwidth;
1.119     kristaps 1656:        p->rmargin = rm;
                   1657:        p->maxrmargin = rmax;
1.1       kristaps 1658:        return(0);
                   1659: }
                   1660:
                   1661:
                   1662: /* ARGSUSED */
                   1663: static void
                   1664: termp_bd_post(DECL_ARGS)
                   1665: {
1.119     kristaps 1666:        size_t           rm, rmax;
1.1       kristaps 1667:
1.86      kristaps 1668:        if (MDOC_BODY != n->type)
1.1       kristaps 1669:                return;
1.118     kristaps 1670:
1.119     kristaps 1671:        rm = p->rmargin;
                   1672:        rmax = p->maxrmargin;
1.118     kristaps 1673:
1.202     kristaps 1674:        if (DISP_literal == n->norm->Bd.type ||
                   1675:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1676:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1677:
1.60      kristaps 1678:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1679:        term_newln(p);
1.118     kristaps 1680:
1.119     kristaps 1681:        p->rmargin = rm;
                   1682:        p->maxrmargin = rmax;
1.1       kristaps 1683: }
                   1684:
                   1685:
                   1686: /* ARGSUSED */
1.211     kristaps 1687: static int
                   1688: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1689: {
                   1690:
1.211     kristaps 1691:        if (NULL != (n = n->child)) {
                   1692:                term_word(p, n->string);
                   1693:                p->flags |= TERMP_NOSPACE;
                   1694:                term_word(p, "BSD");
                   1695:        } else {
                   1696:                term_word(p, "BSD");
                   1697:                return(0);
                   1698:        }
                   1699:
                   1700:        if (NULL != (n = n->next)) {
                   1701:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1702:                term_word(p, "-");
1.1       kristaps 1703:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1704:                term_word(p, n->string);
1.211     kristaps 1705:        }
                   1706:
                   1707:        return(0);
1.1       kristaps 1708: }
                   1709:
                   1710:
                   1711: /* ARGSUSED */
                   1712: static int
1.26      kristaps 1713: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1714: {
1.26      kristaps 1715:        const char      *pp;
1.1       kristaps 1716:
1.26      kristaps 1717:        pp = NULL;
1.86      kristaps 1718:        switch (n->tok) {
1.26      kristaps 1719:        case (MDOC_Bsx):
1.194     schwarze 1720:                pp = "BSD/OS";
1.26      kristaps 1721:                break;
                   1722:        case (MDOC_Dx):
1.100     kristaps 1723:                pp = "DragonFly";
1.26      kristaps 1724:                break;
                   1725:        case (MDOC_Fx):
                   1726:                pp = "FreeBSD";
                   1727:                break;
                   1728:        case (MDOC_Nx):
                   1729:                pp = "NetBSD";
                   1730:                break;
                   1731:        case (MDOC_Ox):
                   1732:                pp = "OpenBSD";
                   1733:                break;
                   1734:        case (MDOC_Ux):
                   1735:                pp = "UNIX";
                   1736:                break;
                   1737:        default:
                   1738:                break;
                   1739:        }
1.1       kristaps 1740:
1.26      kristaps 1741:        term_word(p, pp);
1.214     kristaps 1742:        if (n->child) {
                   1743:                p->flags |= TERMP_KEEP;
                   1744:                term_word(p, n->child->string);
                   1745:                p->flags &= ~TERMP_KEEP;
                   1746:        }
                   1747:        return(0);
1.1       kristaps 1748: }
                   1749:
                   1750:
                   1751: /* ARGSUSED */
                   1752: static int
1.192     schwarze 1753: termp_igndelim_pre(DECL_ARGS)
1.1       kristaps 1754: {
                   1755:
                   1756:        p->flags |= TERMP_IGNDELIM;
                   1757:        return(1);
                   1758: }
                   1759:
                   1760:
                   1761: /* ARGSUSED */
                   1762: static void
                   1763: termp_pf_post(DECL_ARGS)
                   1764: {
                   1765:
                   1766:        p->flags |= TERMP_NOSPACE;
                   1767: }
                   1768:
                   1769:
                   1770: /* ARGSUSED */
                   1771: static int
                   1772: termp_ss_pre(DECL_ARGS)
                   1773: {
                   1774:
1.86      kristaps 1775:        switch (n->type) {
1.1       kristaps 1776:        case (MDOC_BLOCK):
                   1777:                term_newln(p);
1.86      kristaps 1778:                if (n->prev)
1.1       kristaps 1779:                        term_vspace(p);
                   1780:                break;
                   1781:        case (MDOC_HEAD):
1.102     kristaps 1782:                term_fontpush(p, TERMFONT_BOLD);
1.157     kristaps 1783:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1784:                break;
                   1785:        default:
                   1786:                break;
                   1787:        }
                   1788:
                   1789:        return(1);
                   1790: }
                   1791:
                   1792:
                   1793: /* ARGSUSED */
                   1794: static void
                   1795: termp_ss_post(DECL_ARGS)
                   1796: {
                   1797:
1.86      kristaps 1798:        if (MDOC_HEAD == n->type)
1.1       kristaps 1799:                term_newln(p);
                   1800: }
                   1801:
                   1802:
                   1803: /* ARGSUSED */
                   1804: static int
                   1805: termp_cd_pre(DECL_ARGS)
                   1806: {
                   1807:
1.143     kristaps 1808:        synopsis_pre(p, n);
1.102     kristaps 1809:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1810:        return(1);
                   1811: }
                   1812:
                   1813:
                   1814: /* ARGSUSED */
                   1815: static int
                   1816: termp_in_pre(DECL_ARGS)
                   1817: {
1.142     schwarze 1818:
1.143     kristaps 1819:        synopsis_pre(p, n);
1.1       kristaps 1820:
1.160     kristaps 1821:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1822:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1823:                term_word(p, "#include");
1.138     kristaps 1824:                term_word(p, "<");
                   1825:        } else {
                   1826:                term_word(p, "<");
                   1827:                term_fontpush(p, TERMFONT_UNDER);
                   1828:        }
1.22      kristaps 1829:
1.1       kristaps 1830:        p->flags |= TERMP_NOSPACE;
                   1831:        return(1);
                   1832: }
                   1833:
                   1834:
                   1835: /* ARGSUSED */
                   1836: static void
                   1837: termp_in_post(DECL_ARGS)
                   1838: {
                   1839:
1.160     kristaps 1840:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1841:                term_fontpush(p, TERMFONT_BOLD);
                   1842:
1.79      kristaps 1843:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1844:        term_word(p, ">");
                   1845:
1.160     kristaps 1846:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1847:                term_fontpop(p);
1.1       kristaps 1848: }
                   1849:
                   1850:
                   1851: /* ARGSUSED */
                   1852: static int
1.45      kristaps 1853: termp_sp_pre(DECL_ARGS)
                   1854: {
1.91      kristaps 1855:        size_t           i, len;
1.45      kristaps 1856:
1.86      kristaps 1857:        switch (n->tok) {
1.76      kristaps 1858:        case (MDOC_sp):
1.157     kristaps 1859:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1860:                break;
                   1861:        case (MDOC_br):
                   1862:                len = 0;
                   1863:                break;
                   1864:        default:
                   1865:                len = 1;
                   1866:                break;
1.45      kristaps 1867:        }
                   1868:
                   1869:        if (0 == len)
                   1870:                term_newln(p);
                   1871:        for (i = 0; i < len; i++)
                   1872:                term_vspace(p);
                   1873:
                   1874:        return(0);
                   1875: }
                   1876:
                   1877:
1.189     kristaps 1878: /* ARGSUSED */
1.45      kristaps 1879: static int
1.188     kristaps 1880: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1881: {
                   1882:
1.203     kristaps 1883:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1884:                return(1);
                   1885:
1.188     kristaps 1886:        switch (n->tok) {
                   1887:        case (MDOC_Ao):
                   1888:                /* FALLTHROUGH */
                   1889:        case (MDOC_Aq):
                   1890:                term_word(p, "<");
                   1891:                break;
                   1892:        case (MDOC_Bro):
                   1893:                /* FALLTHROUGH */
                   1894:        case (MDOC_Brq):
                   1895:                term_word(p, "{");
                   1896:                break;
                   1897:        case (MDOC_Oo):
                   1898:                /* FALLTHROUGH */
                   1899:        case (MDOC_Op):
                   1900:                /* FALLTHROUGH */
                   1901:        case (MDOC_Bo):
                   1902:                /* FALLTHROUGH */
                   1903:        case (MDOC_Bq):
                   1904:                term_word(p, "[");
                   1905:                break;
                   1906:        case (MDOC_Do):
                   1907:                /* FALLTHROUGH */
                   1908:        case (MDOC_Dq):
                   1909:                term_word(p, "``");
                   1910:                break;
                   1911:        case (MDOC_Po):
                   1912:                /* FALLTHROUGH */
                   1913:        case (MDOC_Pq):
                   1914:                term_word(p, "(");
                   1915:                break;
1.205     kristaps 1916:        case (MDOC__T):
                   1917:                /* FALLTHROUGH */
1.188     kristaps 1918:        case (MDOC_Qo):
                   1919:                /* FALLTHROUGH */
                   1920:        case (MDOC_Qq):
                   1921:                term_word(p, "\"");
                   1922:                break;
                   1923:        case (MDOC_Ql):
                   1924:                /* FALLTHROUGH */
                   1925:        case (MDOC_So):
                   1926:                /* FALLTHROUGH */
                   1927:        case (MDOC_Sq):
                   1928:                term_word(p, "`");
                   1929:                break;
                   1930:        default:
                   1931:                abort();
                   1932:                /* NOTREACHED */
                   1933:        }
1.1       kristaps 1934:
                   1935:        p->flags |= TERMP_NOSPACE;
                   1936:        return(1);
                   1937: }
                   1938:
                   1939:
1.189     kristaps 1940: /* ARGSUSED */
1.1       kristaps 1941: static void
1.188     kristaps 1942: termp_quote_post(DECL_ARGS)
1.1       kristaps 1943: {
                   1944:
1.203     kristaps 1945:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1946:                return;
                   1947:
                   1948:        p->flags |= TERMP_NOSPACE;
                   1949:
1.188     kristaps 1950:        switch (n->tok) {
                   1951:        case (MDOC_Ao):
                   1952:                /* FALLTHROUGH */
                   1953:        case (MDOC_Aq):
                   1954:                term_word(p, ">");
                   1955:                break;
                   1956:        case (MDOC_Bro):
                   1957:                /* FALLTHROUGH */
                   1958:        case (MDOC_Brq):
                   1959:                term_word(p, "}");
                   1960:                break;
                   1961:        case (MDOC_Oo):
                   1962:                /* FALLTHROUGH */
                   1963:        case (MDOC_Op):
                   1964:                /* FALLTHROUGH */
                   1965:        case (MDOC_Bo):
                   1966:                /* FALLTHROUGH */
                   1967:        case (MDOC_Bq):
                   1968:                term_word(p, "]");
                   1969:                break;
                   1970:        case (MDOC_Do):
                   1971:                /* FALLTHROUGH */
                   1972:        case (MDOC_Dq):
                   1973:                term_word(p, "''");
                   1974:                break;
                   1975:        case (MDOC_Po):
                   1976:                /* FALLTHROUGH */
                   1977:        case (MDOC_Pq):
                   1978:                term_word(p, ")");
                   1979:                break;
1.205     kristaps 1980:        case (MDOC__T):
                   1981:                /* FALLTHROUGH */
1.188     kristaps 1982:        case (MDOC_Qo):
                   1983:                /* FALLTHROUGH */
                   1984:        case (MDOC_Qq):
                   1985:                term_word(p, "\"");
                   1986:                break;
                   1987:        case (MDOC_Ql):
                   1988:                /* FALLTHROUGH */
                   1989:        case (MDOC_So):
                   1990:                /* FALLTHROUGH */
                   1991:        case (MDOC_Sq):
                   1992:                term_word(p, "'");
                   1993:                break;
                   1994:        default:
                   1995:                abort();
                   1996:                /* NOTREACHED */
                   1997:        }
1.1       kristaps 1998: }
                   1999:
                   2000:
                   2001: /* ARGSUSED */
                   2002: static int
                   2003: termp_fo_pre(DECL_ARGS)
                   2004: {
                   2005:
1.141     kristaps 2006:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2007:                synopsis_pre(p, n);
1.141     kristaps 2008:                return(1);
                   2009:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2010:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2011:                term_word(p, "(");
                   2012:                return(1);
1.141     kristaps 2013:        }
                   2014:
1.169     kristaps 2015:        if (NULL == n->child)
                   2016:                return(0);
                   2017:
1.141     kristaps 2018:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2019:
1.141     kristaps 2020:        assert(n->child->string);
1.102     kristaps 2021:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2022:        term_word(p, n->child->string);
1.1       kristaps 2023:        return(0);
                   2024: }
                   2025:
                   2026:
                   2027: /* ARGSUSED */
                   2028: static void
                   2029: termp_fo_post(DECL_ARGS)
                   2030: {
                   2031:
1.143     kristaps 2032:        if (MDOC_BODY != n->type)
                   2033:                return;
                   2034:
                   2035:        term_word(p, ")");
                   2036:
1.188     kristaps 2037:        if (MDOC_SYNPRETTY & n->flags)
1.143     kristaps 2038:                term_word(p, ";");
1.1       kristaps 2039: }
                   2040:
                   2041:
                   2042: /* ARGSUSED */
                   2043: static int
                   2044: termp_bf_pre(DECL_ARGS)
                   2045: {
                   2046:
1.86      kristaps 2047:        if (MDOC_HEAD == n->type)
1.1       kristaps 2048:                return(0);
1.86      kristaps 2049:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2050:                return(1);
                   2051:
1.202     kristaps 2052:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2053:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2054:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2055:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2056:        else
1.102     kristaps 2057:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2058:
                   2059:        return(1);
                   2060: }
                   2061:
                   2062:
                   2063: /* ARGSUSED */
                   2064: static int
                   2065: termp_sm_pre(DECL_ARGS)
                   2066: {
                   2067:
1.86      kristaps 2068:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2069:        if (0 == strcmp("on", n->child->string)) {
                   2070:                if (p->col)
                   2071:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2072:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2073:        } else
1.1       kristaps 2074:                p->flags |= TERMP_NONOSPACE;
                   2075:
                   2076:        return(0);
                   2077: }
                   2078:
                   2079:
                   2080: /* ARGSUSED */
                   2081: static int
                   2082: termp_ap_pre(DECL_ARGS)
                   2083: {
                   2084:
                   2085:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2086:        term_word(p, "'");
1.1       kristaps 2087:        p->flags |= TERMP_NOSPACE;
                   2088:        return(1);
                   2089: }
                   2090:
                   2091:
                   2092: /* ARGSUSED */
                   2093: static void
                   2094: termp____post(DECL_ARGS)
                   2095: {
1.184     kristaps 2096:
                   2097:        /*
                   2098:         * Handle lists of authors.  In general, print each followed by
                   2099:         * a comma.  Don't print the comma if there are only two
                   2100:         * authors.
                   2101:         */
                   2102:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2103:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2104:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2105:                                return;
1.1       kristaps 2106:
1.95      kristaps 2107:        /* TODO: %U. */
                   2108:
1.187     kristaps 2109:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2110:                return;
                   2111:
1.186     kristaps 2112:        if (NULL == n->next) {
                   2113:                term_word(p, ".");
                   2114:                p->flags |= TERMP_SENTENCE;
                   2115:        } else
                   2116:                term_word(p, ",");
1.1       kristaps 2117: }
                   2118:
                   2119:
                   2120: /* ARGSUSED */
                   2121: static int
1.102     kristaps 2122: termp_li_pre(DECL_ARGS)
                   2123: {
                   2124:
                   2125:        term_fontpush(p, TERMFONT_NONE);
                   2126:        return(1);
                   2127: }
                   2128:
                   2129:
                   2130: /* ARGSUSED */
                   2131: static int
1.1       kristaps 2132: termp_lk_pre(DECL_ARGS)
                   2133: {
1.181     kristaps 2134:        const struct mdoc_node *nn, *sv;
1.1       kristaps 2135:
1.102     kristaps 2136:        term_fontpush(p, TERMFONT_UNDER);
1.181     kristaps 2137:
                   2138:        nn = sv = n->child;
1.96      kristaps 2139:
1.195     kristaps 2140:        if (NULL == nn || NULL == nn->next)
1.12      kristaps 2141:                return(1);
                   2142:
1.181     kristaps 2143:        for (nn = nn->next; nn; nn = nn->next)
                   2144:                term_word(p, nn->string);
                   2145:
1.102     kristaps 2146:        term_fontpop(p);
1.96      kristaps 2147:
1.1       kristaps 2148:        term_word(p, ":");
                   2149:
1.102     kristaps 2150:        term_fontpush(p, TERMFONT_BOLD);
1.181     kristaps 2151:        term_word(p, sv->string);
1.102     kristaps 2152:        term_fontpop(p);
1.12      kristaps 2153:
1.1       kristaps 2154:        return(0);
                   2155: }
                   2156:
1.159     schwarze 2157:
                   2158: /* ARGSUSED */
                   2159: static int
                   2160: termp_bk_pre(DECL_ARGS)
                   2161: {
                   2162:
1.161     schwarze 2163:        switch (n->type) {
                   2164:        case (MDOC_BLOCK):
1.166     kristaps 2165:                break;
1.161     schwarze 2166:        case (MDOC_HEAD):
                   2167:                return(0);
                   2168:        case (MDOC_BODY):
1.200     schwarze 2169:                if (n->parent->args || 0 == n->prev->nchild)
                   2170:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2171:                break;
1.161     schwarze 2172:        default:
                   2173:                abort();
1.166     kristaps 2174:                /* NOTREACHED */
1.161     schwarze 2175:        }
1.166     kristaps 2176:
                   2177:        return(1);
1.159     schwarze 2178: }
                   2179:
                   2180:
                   2181: /* ARGSUSED */
                   2182: static void
                   2183: termp_bk_post(DECL_ARGS)
                   2184: {
                   2185:
1.161     schwarze 2186:        if (MDOC_BODY == n->type)
                   2187:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2188: }
                   2189:
                   2190: /* ARGSUSED */
                   2191: static void
                   2192: termp__t_post(DECL_ARGS)
                   2193: {
                   2194:
                   2195:        /*
                   2196:         * If we're in an `Rs' and there's a journal present, then quote
                   2197:         * us instead of underlining us (for disambiguation).
                   2198:         */
1.217   ! schwarze 2199:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2200:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2201:                termp_quote_post(p, pair, m, n);
                   2202:
                   2203:        termp____post(p, pair, m, n);
                   2204: }
                   2205:
                   2206: /* ARGSUSED */
                   2207: static int
                   2208: termp__t_pre(DECL_ARGS)
                   2209: {
                   2210:
                   2211:        /*
                   2212:         * If we're in an `Rs' and there's a journal present, then quote
                   2213:         * us instead of underlining us (for disambiguation).
                   2214:         */
                   2215:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2216:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2217:                return(termp_quote_pre(p, pair, m, n));
                   2218:
                   2219:        term_fontpush(p, TERMFONT_UNDER);
                   2220:        return(1);
1.159     schwarze 2221: }
1.1       kristaps 2222:
                   2223: /* ARGSUSED */
                   2224: static int
1.69      kristaps 2225: termp_under_pre(DECL_ARGS)
1.1       kristaps 2226: {
                   2227:
1.102     kristaps 2228:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2229:        return(1);
                   2230: }

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