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Annotation of mandoc/mdoc_term.c, Revision 1.212

1.212   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.211 2011/01/25 15:17:18 kristaps Exp $ */
1.1       kristaps    2: /*
1.171     schwarze    3:  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
                      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;
1.206     kristaps  315:
                    316:        switch (n->type) {
                    317:        case (MDOC_TEXT):
1.209     kristaps  318:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    319:                        term_newln(p);
1.206     kristaps  320:                term_word(p, n->string);
                    321:                break;
                    322:        case (MDOC_TBL):
1.207     kristaps  323:                term_tbl(p, n->span);
1.206     kristaps  324:                break;
                    325:        default:
                    326:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    327:                        chld = (*termacts[n->tok].pre)
                    328:                                (p, &npair, m, n);
                    329:                break;
                    330:        }
1.172     kristaps  331:
                    332:        /*
                    333:         * Keeps only work until the end of a line.  If a keep was
                    334:         * invoked in a prior line, revert it to PREKEEP.
1.197     schwarze  335:         *
                    336:         * Also let SYNPRETTY sections behave as if they were wrapped
                    337:         * in a `Bk' block.
1.172     kristaps  338:         */
                    339:
1.197     schwarze  340:        if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.172     kristaps  341:                if (n->prev && n->prev->line != n->line) {
                    342:                        p->flags &= ~TERMP_KEEP;
                    343:                        p->flags |= TERMP_PREKEEP;
                    344:                } else if (NULL == n->prev) {
                    345:                        if (n->parent && n->parent->line != n->line) {
                    346:                                p->flags &= ~TERMP_KEEP;
                    347:                                p->flags |= TERMP_PREKEEP;
                    348:                        }
                    349:                }
                    350:        }
1.197     schwarze  351:
                    352:        /*
                    353:         * Since SYNPRETTY sections aren't "turned off" with `Ek',
                    354:         * we have to intuit whether we should disable formatting.
                    355:         */
                    356:
                    357:        if ( ! (MDOC_SYNPRETTY & n->flags) &&
                    358:            ((n->prev   && MDOC_SYNPRETTY & n->prev->flags) ||
                    359:             (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
                    360:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.102     kristaps  361:
1.86      kristaps  362:        if (chld && n->child)
1.102     kristaps  363:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  364:
1.102     kristaps  365:        term_fontpopq(p, font);
1.46      kristaps  366:
1.206     kristaps  367:        switch (n->type) {
                    368:        case (MDOC_TEXT):
                    369:                break;
                    370:        case (MDOC_TBL):
                    371:                break;
                    372:        default:
                    373:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    374:                        break;
1.165     kristaps  375:                (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.162     schwarze  376:
                    377:                /*
                    378:                 * Explicit end tokens not only call the post
                    379:                 * handler, but also tell the respective block
                    380:                 * that it must not call the post handler again.
                    381:                 */
1.165     kristaps  382:                if (ENDBODY_NOT != n->end)
1.162     schwarze  383:                        n->pending->flags |= MDOC_ENDED;
                    384:
                    385:                /*
                    386:                 * End of line terminating an implicit block
                    387:                 * while an explicit block is still open.
                    388:                 * Continue the explicit block without spacing.
                    389:                 */
                    390:                if (ENDBODY_NOSPACE == n->end)
                    391:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  392:                break;
1.162     schwarze  393:        }
1.121     kristaps  394:
                    395:        if (MDOC_EOS & n->flags)
                    396:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  397:
                    398:        p->offset = offset;
1.30      kristaps  399:        p->rmargin = rmargin;
1.1       kristaps  400: }
                    401:
                    402:
1.3       kristaps  403: static void
1.145     kristaps  404: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  405: {
1.98      kristaps  406:        char            buf[DATESIZ], os[BUFSIZ];
1.144     kristaps  407:        const struct mdoc_meta *m;
                    408:
                    409:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  410:
1.102     kristaps  411:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  412:
1.9       kristaps  413:        /*
                    414:         * Output the footer in new-groff style, that is, three columns
                    415:         * with the middle being the manual date and flanking columns
                    416:         * being the operating system:
                    417:         *
                    418:         * SYSTEM                  DATE                    SYSTEM
                    419:         */
                    420:
1.94      kristaps  421:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  422:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  423:
                    424:        term_vspace(p);
                    425:
1.9       kristaps  426:        p->offset = 0;
1.157     kristaps  427:        p->rmargin = (p->maxrmargin -
                    428:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  429:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    430:
                    431:        term_word(p, os);
                    432:        term_flushln(p);
                    433:
1.9       kristaps  434:        p->offset = p->rmargin;
1.157     kristaps  435:        p->rmargin = p->maxrmargin - term_strlen(p, os);
1.1       kristaps  436:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  437:
                    438:        term_word(p, buf);
                    439:        term_flushln(p);
                    440:
1.1       kristaps  441:        p->offset = p->rmargin;
                    442:        p->rmargin = p->maxrmargin;
                    443:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  444:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  445:
1.9       kristaps  446:        term_word(p, os);
1.1       kristaps  447:        term_flushln(p);
                    448:
1.9       kristaps  449:        p->offset = 0;
                    450:        p->rmargin = p->maxrmargin;
                    451:        p->flags = 0;
1.1       kristaps  452: }
                    453:
                    454:
1.3       kristaps  455: static void
1.144     kristaps  456: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  457: {
1.98      kristaps  458:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  459:        const struct mdoc_meta *m;
                    460:
                    461:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  462:
                    463:        p->rmargin = p->maxrmargin;
                    464:        p->offset = 0;
                    465:
                    466:        /*
                    467:         * The header is strange.  It has three components, which are
                    468:         * really two with the first duplicated.  It goes like this:
                    469:         *
                    470:         * IDENTIFIER              TITLE                   IDENTIFIER
                    471:         *
                    472:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    473:         * (if given, or "unknown" if not) followed by the manual page
                    474:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    475:         * string depending on the manual volume.  If not specified, it
                    476:         * switches on the manual section.
                    477:         */
                    478:
1.86      kristaps  479:        assert(m->vol);
1.98      kristaps  480:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  481:
1.86      kristaps  482:        if (m->arch) {
1.98      kristaps  483:                strlcat(buf, " (", BUFSIZ);
                    484:                strlcat(buf, m->arch, BUFSIZ);
                    485:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  486:        }
                    487:
1.124     kristaps  488:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  489:
                    490:        p->offset = 0;
1.157     kristaps  491:        p->rmargin = (p->maxrmargin -
                    492:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  493:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    494:
                    495:        term_word(p, title);
                    496:        term_flushln(p);
                    497:
                    498:        p->offset = p->rmargin;
1.157     kristaps  499:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.9       kristaps  500:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  501:
                    502:        term_word(p, buf);
                    503:        term_flushln(p);
                    504:
                    505:        p->offset = p->rmargin;
                    506:        p->rmargin = p->maxrmargin;
                    507:        p->flags &= ~TERMP_NOBREAK;
                    508:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    509:
                    510:        term_word(p, title);
                    511:        term_flushln(p);
                    512:
1.9       kristaps  513:        p->offset = 0;
1.1       kristaps  514:        p->rmargin = p->maxrmargin;
                    515:        p->flags &= ~TERMP_NOSPACE;
                    516: }
                    517:
                    518:
                    519: static size_t
1.157     kristaps  520: a2height(const struct termp *p, const char *v)
1.1       kristaps  521: {
1.92      kristaps  522:        struct roffsu    su;
1.91      kristaps  523:
1.157     kristaps  524:        assert(v);
                    525:        if ( ! a2roffsu(v, &su, SCALE_VS))
                    526:                SCALE_VS_INIT(&su, term_len(p, 1));
1.91      kristaps  527:
1.157     kristaps  528:        return(term_vspan(p, &su));
1.91      kristaps  529: }
1.1       kristaps  530:
1.40      kristaps  531:
1.91      kristaps  532: static size_t
1.157     kristaps  533: a2width(const struct termp *p, const char *v)
1.91      kristaps  534: {
1.92      kristaps  535:        struct roffsu    su;
1.1       kristaps  536:
1.154     kristaps  537:        assert(v);
                    538:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  539:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  540:
1.157     kristaps  541:        return(term_hspan(p, &su));
1.1       kristaps  542: }
                    543:
                    544:
                    545: static size_t
1.157     kristaps  546: a2offs(const struct termp *p, const char *v)
1.1       kristaps  547: {
1.92      kristaps  548:        struct roffsu    su;
1.1       kristaps  549:
1.148     kristaps  550:        if ('\0' == *v)
1.91      kristaps  551:                return(0);
1.148     kristaps  552:        else if (0 == strcmp(v, "left"))
1.19      kristaps  553:                return(0);
1.148     kristaps  554:        else if (0 == strcmp(v, "indent"))
1.157     kristaps  555:                return(term_len(p, INDENT + 1));
1.148     kristaps  556:        else if (0 == strcmp(v, "indent-two"))
1.157     kristaps  557:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  558:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  559:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  560:
1.157     kristaps  561:        return(term_hspan(p, &su));
1.1       kristaps  562: }
                    563:
                    564:
1.108     kristaps  565: /*
                    566:  * Determine how much space to print out before block elements of `It'
                    567:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    568:  * too.
                    569:  */
1.54      kristaps  570: static void
1.151     kristaps  571: print_bvspace(struct termp *p,
                    572:                const struct mdoc_node *bl,
                    573:                const struct mdoc_node *n)
1.1       kristaps  574: {
1.86      kristaps  575:        const struct mdoc_node  *nn;
1.1       kristaps  576:
                    577:        term_newln(p);
1.150     kristaps  578:
1.202     kristaps  579:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  580:                return;
1.202     kristaps  581:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  582:                return;
                    583:
1.85      kristaps  584:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  585:
1.86      kristaps  586:        for (nn = n; nn; nn = nn->parent) {
                    587:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  588:                        continue;
1.86      kristaps  589:                if (MDOC_Ss == nn->tok)
1.54      kristaps  590:                        return;
1.86      kristaps  591:                if (MDOC_Sh == nn->tok)
1.54      kristaps  592:                        return;
1.86      kristaps  593:                if (NULL == nn->prev)
1.1       kristaps  594:                        continue;
                    595:                break;
                    596:        }
                    597:
1.85      kristaps  598:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  599:
1.202     kristaps  600:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  601:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  602:                        return;
                    603:
1.85      kristaps  604:        /* A `-diag' without body does not vspace. */
                    605:
1.202     kristaps  606:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  607:                if (n->prev && MDOC_It == n->prev->tok) {
                    608:                        assert(n->prev->body);
                    609:                        if (NULL == n->prev->body->child)
1.55      kristaps  610:                                return;
                    611:                }
                    612:
1.54      kristaps  613:        term_vspace(p);
1.1       kristaps  614: }
                    615:
                    616:
                    617: /* ARGSUSED */
                    618: static int
                    619: termp_it_pre(DECL_ARGS)
                    620: {
1.86      kristaps  621:        const struct mdoc_node *bl, *nn;
1.1       kristaps  622:        char                    buf[7];
1.170     kristaps  623:        int                     i;
1.108     kristaps  624:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  625:        enum mdoc_list          type;
1.1       kristaps  626:
1.86      kristaps  627:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  628:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  629:                return(1);
                    630:        }
1.1       kristaps  631:
1.86      kristaps  632:        bl = n->parent->parent->parent;
1.202     kristaps  633:        type = bl->norm->Bl.type;
1.1       kristaps  634:
1.108     kristaps  635:        /*
                    636:         * First calculate width and offset.  This is pretty easy unless
                    637:         * we're a -column list, in which case all prior columns must
                    638:         * be accounted for.
                    639:         */
                    640:
                    641:        width = offset = 0;
                    642:
1.202     kristaps  643:        if (bl->norm->Bl.offs)
                    644:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  645:
1.1       kristaps  646:        switch (type) {
1.126     kristaps  647:        case (LIST_column):
1.134     kristaps  648:                if (MDOC_HEAD == n->type)
1.1       kristaps  649:                        break;
1.155     kristaps  650:
1.105     kristaps  651:                /*
1.108     kristaps  652:                 * Imitate groff's column handling:
                    653:                 * - For each earlier column, add its width.
                    654:                 * - For less than 5 columns, add four more blanks per
                    655:                 *   column.
                    656:                 * - For exactly 5 columns, add three more blank per
                    657:                 *   column.
                    658:                 * - For more than 5 columns, add only one column.
1.105     kristaps  659:                 */
1.202     kristaps  660:                ncols = bl->norm->Bl.ncols;
1.170     kristaps  661:
1.108     kristaps  662:                /* LINTED */
1.157     kristaps  663:                dcol = ncols < 5 ? term_len(p, 4) :
                    664:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  665:
1.134     kristaps  666:                /*
                    667:                 * Calculate the offset by applying all prior MDOC_BODY,
                    668:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    669:                 */
                    670:
1.108     kristaps  671:                for (i = 0, nn = n->prev;
1.134     kristaps  672:                                nn->prev && i < (int)ncols;
1.108     kristaps  673:                                nn = nn->prev, i++)
                    674:                        offset += dcol + a2width
1.202     kristaps  675:                                (p, bl->norm->Bl.cols[i]);
1.105     kristaps  676:
                    677:                /*
1.108     kristaps  678:                 * When exceeding the declared number of columns, leave
                    679:                 * the remaining widths at 0.  This will later be
                    680:                 * adjusted to the default width of 10, or, for the last
                    681:                 * column, stretched to the right margin.
1.58      kristaps  682:                 */
1.108     kristaps  683:                if (i >= (int)ncols)
                    684:                        break;
1.58      kristaps  685:
1.105     kristaps  686:                /*
1.108     kristaps  687:                 * Use the declared column widths, extended as explained
                    688:                 * in the preceding paragraph.
1.105     kristaps  689:                 */
1.202     kristaps  690:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  691:                break;
                    692:        default:
1.202     kristaps  693:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  694:                        break;
                    695:
                    696:                /*
                    697:                 * Note: buffer the width by 2, which is groff's magic
                    698:                 * number for buffering single arguments.  See the above
                    699:                 * handling for column for how this changes.
                    700:                 */
1.202     kristaps  701:                assert(bl->norm->Bl.width);
                    702:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  703:                break;
                    704:        }
                    705:
                    706:        /*
                    707:         * List-type can override the width in the case of fixed-head
                    708:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  709:         * offset.
1.1       kristaps  710:         */
                    711:
                    712:        switch (type) {
1.126     kristaps  713:        case (LIST_bullet):
1.1       kristaps  714:                /* FALLTHROUGH */
1.126     kristaps  715:        case (LIST_dash):
1.1       kristaps  716:                /* FALLTHROUGH */
1.126     kristaps  717:        case (LIST_hyphen):
1.157     kristaps  718:                if (width < term_len(p, 4))
                    719:                        width = term_len(p, 4);
1.1       kristaps  720:                break;
1.126     kristaps  721:        case (LIST_enum):
1.157     kristaps  722:                if (width < term_len(p, 5))
                    723:                        width = term_len(p, 5);
1.17      kristaps  724:                break;
1.126     kristaps  725:        case (LIST_hang):
1.39      kristaps  726:                if (0 == width)
1.157     kristaps  727:                        width = term_len(p, 8);
1.39      kristaps  728:                break;
1.126     kristaps  729:        case (LIST_column):
1.49      kristaps  730:                /* FALLTHROUGH */
1.126     kristaps  731:        case (LIST_tag):
1.1       kristaps  732:                if (0 == width)
1.157     kristaps  733:                        width = term_len(p, 10);
1.1       kristaps  734:                break;
                    735:        default:
                    736:                break;
                    737:        }
                    738:
                    739:        /*
1.17      kristaps  740:         * Whitespace control.  Inset bodies need an initial space,
                    741:         * while diagonal bodies need two.
1.1       kristaps  742:         */
                    743:
1.51      kristaps  744:        p->flags |= TERMP_NOSPACE;
                    745:
1.1       kristaps  746:        switch (type) {
1.126     kristaps  747:        case (LIST_diag):
1.86      kristaps  748:                if (MDOC_BODY == n->type)
1.62      kristaps  749:                        term_word(p, "\\ \\ ");
1.51      kristaps  750:                break;
1.126     kristaps  751:        case (LIST_inset):
1.86      kristaps  752:                if (MDOC_BODY == n->type)
1.51      kristaps  753:                        term_word(p, "\\ ");
1.1       kristaps  754:                break;
                    755:        default:
                    756:                break;
                    757:        }
                    758:
1.51      kristaps  759:        p->flags |= TERMP_NOSPACE;
                    760:
1.1       kristaps  761:        switch (type) {
1.126     kristaps  762:        case (LIST_diag):
1.86      kristaps  763:                if (MDOC_HEAD == n->type)
1.102     kristaps  764:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  765:                break;
                    766:        default:
                    767:                break;
                    768:        }
                    769:
                    770:        /*
1.109     kristaps  771:         * Pad and break control.  This is the tricky part.  These flags
                    772:         * are documented in term_flushln() in term.c.  Note that we're
                    773:         * going to unset all of these flags in termp_it_post() when we
                    774:         * exit.
1.1       kristaps  775:         */
                    776:
                    777:        switch (type) {
1.126     kristaps  778:        case (LIST_bullet):
1.1       kristaps  779:                /* FALLTHROUGH */
1.126     kristaps  780:        case (LIST_dash):
1.1       kristaps  781:                /* FALLTHROUGH */
1.126     kristaps  782:        case (LIST_enum):
1.1       kristaps  783:                /* FALLTHROUGH */
1.126     kristaps  784:        case (LIST_hyphen):
1.86      kristaps  785:                if (MDOC_HEAD == n->type)
1.39      kristaps  786:                        p->flags |= TERMP_NOBREAK;
                    787:                else
                    788:                        p->flags |= TERMP_NOLPAD;
                    789:                break;
1.126     kristaps  790:        case (LIST_hang):
1.86      kristaps  791:                if (MDOC_HEAD == n->type)
1.39      kristaps  792:                        p->flags |= TERMP_NOBREAK;
                    793:                else
                    794:                        p->flags |= TERMP_NOLPAD;
                    795:
1.86      kristaps  796:                if (MDOC_HEAD != n->type)
1.59      kristaps  797:                        break;
                    798:
                    799:                /*
                    800:                 * This is ugly.  If `-hang' is specified and the body
                    801:                 * is a `Bl' or `Bd', then we want basically to nullify
                    802:                 * the "overstep" effect in term_flushln() and treat
                    803:                 * this as a `-ohang' list instead.
                    804:                 */
1.86      kristaps  805:                if (n->next->child &&
                    806:                                (MDOC_Bl == n->next->child->tok ||
                    807:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  808:                        p->flags &= ~TERMP_NOBREAK;
                    809:                        p->flags &= ~TERMP_NOLPAD;
                    810:                } else
1.39      kristaps  811:                        p->flags |= TERMP_HANG;
                    812:                break;
1.126     kristaps  813:        case (LIST_tag):
1.86      kristaps  814:                if (MDOC_HEAD == n->type)
1.51      kristaps  815:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  816:                else
                    817:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  818:
1.86      kristaps  819:                if (MDOC_HEAD != n->type)
1.39      kristaps  820:                        break;
1.86      kristaps  821:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  822:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  823:                break;
1.126     kristaps  824:        case (LIST_column):
1.134     kristaps  825:                if (MDOC_HEAD == n->type)
                    826:                        break;
                    827:
                    828:                if (NULL == n->next)
                    829:                        p->flags &= ~TERMP_NOBREAK;
                    830:                else
                    831:                        p->flags |= TERMP_NOBREAK;
                    832:
                    833:                assert(n->prev);
                    834:                if (MDOC_BODY == n->prev->type)
                    835:                        p->flags |= TERMP_NOLPAD;
                    836:
1.1       kristaps  837:                break;
1.126     kristaps  838:        case (LIST_diag):
1.86      kristaps  839:                if (MDOC_HEAD == n->type)
1.1       kristaps  840:                        p->flags |= TERMP_NOBREAK;
                    841:                break;
                    842:        default:
                    843:                break;
                    844:        }
                    845:
                    846:        /*
                    847:         * Margin control.  Set-head-width lists have their right
                    848:         * margins shortened.  The body for these lists has the offset
                    849:         * necessarily lengthened.  Everybody gets the offset.
                    850:         */
                    851:
                    852:        p->offset += offset;
                    853:
                    854:        switch (type) {
1.126     kristaps  855:        case (LIST_hang):
1.59      kristaps  856:                /*
                    857:                 * Same stipulation as above, regarding `-hang'.  We
                    858:                 * don't want to recalculate rmargin and offsets when
                    859:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    860:                 */
1.86      kristaps  861:                if (MDOC_HEAD == n->type && n->next->child &&
                    862:                                (MDOC_Bl == n->next->child->tok ||
                    863:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  864:                        break;
                    865:                /* FALLTHROUGH */
1.126     kristaps  866:        case (LIST_bullet):
1.1       kristaps  867:                /* FALLTHROUGH */
1.126     kristaps  868:        case (LIST_dash):
1.1       kristaps  869:                /* FALLTHROUGH */
1.126     kristaps  870:        case (LIST_enum):
1.1       kristaps  871:                /* FALLTHROUGH */
1.126     kristaps  872:        case (LIST_hyphen):
1.1       kristaps  873:                /* FALLTHROUGH */
1.126     kristaps  874:        case (LIST_tag):
1.49      kristaps  875:                assert(width);
1.86      kristaps  876:                if (MDOC_HEAD == n->type)
1.1       kristaps  877:                        p->rmargin = p->offset + width;
                    878:                else
                    879:                        p->offset += width;
                    880:                break;
1.126     kristaps  881:        case (LIST_column):
1.49      kristaps  882:                assert(width);
1.1       kristaps  883:                p->rmargin = p->offset + width;
1.50      kristaps  884:                /*
                    885:                 * XXX - this behaviour is not documented: the
                    886:                 * right-most column is filled to the right margin.
                    887:                 */
1.134     kristaps  888:                if (MDOC_HEAD == n->type)
                    889:                        break;
                    890:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  891:                        p->rmargin = p->maxrmargin;
1.1       kristaps  892:                break;
                    893:        default:
                    894:                break;
                    895:        }
                    896:
                    897:        /*
                    898:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  899:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  900:         */
                    901:
1.86      kristaps  902:        if (MDOC_HEAD == n->type)
1.1       kristaps  903:                switch (type) {
1.126     kristaps  904:                case (LIST_bullet):
1.102     kristaps  905:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  906:                        term_word(p, "\\[bu]");
1.102     kristaps  907:                        term_fontpop(p);
1.1       kristaps  908:                        break;
1.126     kristaps  909:                case (LIST_dash):
1.1       kristaps  910:                        /* FALLTHROUGH */
1.126     kristaps  911:                case (LIST_hyphen):
1.102     kristaps  912:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  913:                        term_word(p, "\\(hy");
1.102     kristaps  914:                        term_fontpop(p);
1.1       kristaps  915:                        break;
1.126     kristaps  916:                case (LIST_enum):
1.1       kristaps  917:                        (pair->ppair->ppair->count)++;
1.109     kristaps  918:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  919:                                        pair->ppair->ppair->count);
                    920:                        term_word(p, buf);
                    921:                        break;
                    922:                default:
                    923:                        break;
                    924:                }
                    925:
                    926:        /*
                    927:         * If we're not going to process our children, indicate so here.
                    928:         */
                    929:
                    930:        switch (type) {
1.126     kristaps  931:        case (LIST_bullet):
1.1       kristaps  932:                /* FALLTHROUGH */
1.126     kristaps  933:        case (LIST_item):
1.1       kristaps  934:                /* FALLTHROUGH */
1.126     kristaps  935:        case (LIST_dash):
1.1       kristaps  936:                /* FALLTHROUGH */
1.126     kristaps  937:        case (LIST_hyphen):
1.1       kristaps  938:                /* FALLTHROUGH */
1.126     kristaps  939:        case (LIST_enum):
1.86      kristaps  940:                if (MDOC_HEAD == n->type)
1.1       kristaps  941:                        return(0);
                    942:                break;
1.126     kristaps  943:        case (LIST_column):
1.134     kristaps  944:                if (MDOC_HEAD == n->type)
1.1       kristaps  945:                        return(0);
                    946:                break;
                    947:        default:
                    948:                break;
                    949:        }
                    950:
                    951:        return(1);
                    952: }
                    953:
                    954:
                    955: /* ARGSUSED */
                    956: static void
                    957: termp_it_post(DECL_ARGS)
                    958: {
1.126     kristaps  959:        enum mdoc_list     type;
1.1       kristaps  960:
1.109     kristaps  961:        if (MDOC_BLOCK == n->type)
1.1       kristaps  962:                return;
                    963:
1.202     kristaps  964:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  965:
                    966:        switch (type) {
1.126     kristaps  967:        case (LIST_item):
1.1       kristaps  968:                /* FALLTHROUGH */
1.126     kristaps  969:        case (LIST_diag):
1.53      kristaps  970:                /* FALLTHROUGH */
1.126     kristaps  971:        case (LIST_inset):
1.86      kristaps  972:                if (MDOC_BODY == n->type)
1.130     schwarze  973:                        term_newln(p);
1.1       kristaps  974:                break;
1.126     kristaps  975:        case (LIST_column):
1.134     kristaps  976:                if (MDOC_BODY == n->type)
1.1       kristaps  977:                        term_flushln(p);
                    978:                break;
                    979:        default:
1.130     schwarze  980:                term_newln(p);
1.1       kristaps  981:                break;
                    982:        }
                    983:
1.109     kristaps  984:        /*
                    985:         * Now that our output is flushed, we can reset our tags.  Since
                    986:         * only `It' sets these flags, we're free to assume that nobody
                    987:         * has munged them in the meanwhile.
                    988:         */
                    989:
                    990:        p->flags &= ~TERMP_DANGLE;
                    991:        p->flags &= ~TERMP_NOBREAK;
                    992:        p->flags &= ~TERMP_TWOSPACE;
                    993:        p->flags &= ~TERMP_NOLPAD;
                    994:        p->flags &= ~TERMP_HANG;
1.1       kristaps  995: }
                    996:
                    997:
                    998: /* ARGSUSED */
                    999: static int
                   1000: termp_nm_pre(DECL_ARGS)
                   1001: {
                   1002:
1.164     schwarze 1003:        if (MDOC_BLOCK == n->type)
                   1004:                return(1);
                   1005:
                   1006:        if (MDOC_BODY == n->type) {
                   1007:                if (NULL == n->child)
                   1008:                        return(0);
                   1009:                p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                   1010:                p->offset += term_len(p, 1) +
                   1011:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1012:                     MDOC_TEXT == n->prev->child->type ?
                   1013:                        term_strlen(p, n->prev->child->string) :
                   1014:                     term_len(p, 5));
                   1015:                return(1);
                   1016:        }
                   1017:
1.125     kristaps 1018:        if (NULL == n->child && NULL == m->name)
1.164     schwarze 1019:                return(0);
1.125     kristaps 1020:
1.177     schwarze 1021:        if (MDOC_HEAD == n->type)
                   1022:                synopsis_pre(p, n->parent);
1.102     kristaps 1023:
1.164     schwarze 1024:        if (MDOC_HEAD == n->type && n->next->child) {
1.185     schwarze 1025:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                   1026:                p->rmargin = p->offset + term_len(p, 1);
                   1027:                if (NULL == n->child) {
                   1028:                        p->rmargin += term_strlen(p, m->name);
                   1029:                } else if (MDOC_TEXT == n->child->type) {
                   1030:                        p->rmargin += term_strlen(p, n->child->string);
                   1031:                        if (n->child->next)
                   1032:                                p->flags |= TERMP_HANG;
                   1033:                } else {
                   1034:                        p->rmargin += term_len(p, 5);
                   1035:                        p->flags |= TERMP_HANG;
                   1036:                }
1.164     schwarze 1037:        }
                   1038:
1.102     kristaps 1039:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1040:        if (NULL == n->child)
                   1041:                term_word(p, m->name);
1.1       kristaps 1042:        return(1);
                   1043: }
                   1044:
                   1045:
1.164     schwarze 1046: /* ARGSUSED */
                   1047: static void
                   1048: termp_nm_post(DECL_ARGS)
                   1049: {
                   1050:
                   1051:        if (MDOC_HEAD == n->type && n->next->child) {
                   1052:                term_flushln(p);
                   1053:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1054:        } else if (MDOC_BODY == n->type && n->child) {
                   1055:                term_flushln(p);
                   1056:                p->flags &= ~TERMP_NOLPAD;
                   1057:        }
                   1058: }
                   1059:
                   1060:
1.1       kristaps 1061: /* ARGSUSED */
                   1062: static int
                   1063: termp_fl_pre(DECL_ARGS)
                   1064: {
                   1065:
1.102     kristaps 1066:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1067:        term_word(p, "\\-");
1.103     kristaps 1068:
                   1069:        if (n->child)
1.114     kristaps 1070:                p->flags |= TERMP_NOSPACE;
                   1071:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1072:                p->flags |= TERMP_NOSPACE;
                   1073:
1.1       kristaps 1074:        return(1);
                   1075: }
                   1076:
                   1077:
                   1078: /* ARGSUSED */
                   1079: static int
1.184     kristaps 1080: termp__a_pre(DECL_ARGS)
                   1081: {
                   1082:
                   1083:        if (n->prev && MDOC__A == n->prev->tok)
                   1084:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1085:                        term_word(p, "and");
                   1086:
                   1087:        return(1);
                   1088: }
                   1089:
                   1090:
                   1091: /* ARGSUSED */
                   1092: static int
1.61      kristaps 1093: termp_an_pre(DECL_ARGS)
                   1094: {
                   1095:
1.86      kristaps 1096:        if (NULL == n->child)
1.61      kristaps 1097:                return(1);
                   1098:
                   1099:        /*
1.85      kristaps 1100:         * If not in the AUTHORS section, `An -split' will cause
                   1101:         * newlines to occur before the author name.  If in the AUTHORS
                   1102:         * section, by default, the first `An' invocation is nosplit,
                   1103:         * then all subsequent ones, regardless of whether interspersed
                   1104:         * with other macros/text, are split.  -split, in this case,
                   1105:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1106:         */
                   1107:
1.86      kristaps 1108:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1109:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1110:                        if (TERMP_SPLIT & p->flags)
                   1111:                                term_newln(p);
                   1112:                        return(1);
                   1113:                }
                   1114:                if (TERMP_NOSPLIT & p->flags)
                   1115:                        return(1);
                   1116:                term_newln(p);
                   1117:                return(1);
                   1118:        }
                   1119:
                   1120:        if (TERMP_SPLIT & p->flags)
                   1121:                term_newln(p);
                   1122:
                   1123:        return(1);
                   1124: }
                   1125:
                   1126:
                   1127: /* ARGSUSED */
                   1128: static void
                   1129: termp_an_post(DECL_ARGS)
                   1130: {
                   1131:
1.86      kristaps 1132:        if (n->child) {
                   1133:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1134:                        p->flags |= TERMP_ANPREC;
                   1135:                return;
                   1136:        }
                   1137:
1.202     kristaps 1138:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1139:                p->flags &= ~TERMP_NOSPLIT;
                   1140:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1141:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1142:                p->flags &= ~TERMP_SPLIT;
                   1143:                p->flags |= TERMP_NOSPLIT;
                   1144:        }
                   1145:
                   1146: }
                   1147:
                   1148:
                   1149: /* ARGSUSED */
                   1150: static int
1.1       kristaps 1151: termp_ns_pre(DECL_ARGS)
                   1152: {
                   1153:
                   1154:        p->flags |= TERMP_NOSPACE;
                   1155:        return(1);
                   1156: }
                   1157:
                   1158:
                   1159: /* ARGSUSED */
                   1160: static int
                   1161: termp_rs_pre(DECL_ARGS)
                   1162: {
                   1163:
1.86      kristaps 1164:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1165:                return(1);
1.86      kristaps 1166:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1167:                term_vspace(p);
                   1168:        return(1);
                   1169: }
                   1170:
                   1171:
                   1172: /* ARGSUSED */
                   1173: static int
                   1174: termp_rv_pre(DECL_ARGS)
                   1175: {
1.68      kristaps 1176:        const struct mdoc_node  *nn;
1.1       kristaps 1177:
                   1178:        term_newln(p);
                   1179:        term_word(p, "The");
                   1180:
1.86      kristaps 1181:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1182:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1183:                term_word(p, nn->string);
1.102     kristaps 1184:                term_fontpop(p);
1.68      kristaps 1185:                p->flags |= TERMP_NOSPACE;
                   1186:                if (nn->next && NULL == nn->next->next)
                   1187:                        term_word(p, "(), and");
                   1188:                else if (nn->next)
                   1189:                        term_word(p, "(),");
                   1190:                else
                   1191:                        term_word(p, "()");
                   1192:        }
                   1193:
1.125     kristaps 1194:        if (n->child && n->child->next)
1.68      kristaps 1195:                term_word(p, "functions return");
                   1196:        else
                   1197:                term_word(p, "function returns");
1.1       kristaps 1198:
1.68      kristaps 1199:                term_word(p, "the value 0 if successful; otherwise the value "
                   1200:                        "-1 is returned and the global variable");
1.1       kristaps 1201:
1.102     kristaps 1202:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1203:        term_word(p, "errno");
1.102     kristaps 1204:        term_fontpop(p);
1.1       kristaps 1205:
                   1206:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1207:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1208:
1.68      kristaps 1209:        return(0);
1.1       kristaps 1210: }
                   1211:
                   1212:
                   1213: /* ARGSUSED */
                   1214: static int
                   1215: termp_ex_pre(DECL_ARGS)
                   1216: {
1.68      kristaps 1217:        const struct mdoc_node  *nn;
1.1       kristaps 1218:
1.68      kristaps 1219:        term_word(p, "The");
1.1       kristaps 1220:
1.86      kristaps 1221:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1222:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1223:                term_word(p, nn->string);
1.102     kristaps 1224:                term_fontpop(p);
1.68      kristaps 1225:                p->flags |= TERMP_NOSPACE;
                   1226:                if (nn->next && NULL == nn->next->next)
                   1227:                        term_word(p, ", and");
                   1228:                else if (nn->next)
                   1229:                        term_word(p, ",");
                   1230:                else
                   1231:                        p->flags &= ~TERMP_NOSPACE;
                   1232:        }
                   1233:
1.125     kristaps 1234:        if (n->child && n->child->next)
1.68      kristaps 1235:                term_word(p, "utilities exit");
                   1236:        else
                   1237:                term_word(p, "utility exits");
                   1238:
                   1239:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131     kristaps 1240:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1241:
1.68      kristaps 1242:        return(0);
1.1       kristaps 1243: }
                   1244:
                   1245:
                   1246: /* ARGSUSED */
                   1247: static int
                   1248: termp_nd_pre(DECL_ARGS)
                   1249: {
1.25      kristaps 1250:
1.86      kristaps 1251:        if (MDOC_BODY != n->type)
1.25      kristaps 1252:                return(1);
1.30      kristaps 1253:
1.27      kristaps 1254: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1255:        term_word(p, "\\(en");
1.23      kristaps 1256: #else
                   1257:        term_word(p, "\\(em");
                   1258: #endif
1.1       kristaps 1259:        return(1);
1.115     kristaps 1260: }
                   1261:
                   1262:
                   1263: /* ARGSUSED */
                   1264: static int
                   1265: termp_bl_pre(DECL_ARGS)
                   1266: {
                   1267:
                   1268:        return(MDOC_HEAD != n->type);
1.1       kristaps 1269: }
                   1270:
                   1271:
                   1272: /* ARGSUSED */
                   1273: static void
                   1274: termp_bl_post(DECL_ARGS)
                   1275: {
                   1276:
1.86      kristaps 1277:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1278:                term_newln(p);
                   1279: }
                   1280:
                   1281:
                   1282: /* ARGSUSED */
                   1283: static int
                   1284: termp_xr_pre(DECL_ARGS)
                   1285: {
1.86      kristaps 1286:        const struct mdoc_node *nn;
1.1       kristaps 1287:
1.113     kristaps 1288:        if (NULL == n->child)
                   1289:                return(0);
                   1290:
                   1291:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1292:        nn = n->child;
1.11      kristaps 1293:
1.86      kristaps 1294:        term_word(p, nn->string);
                   1295:        if (NULL == (nn = nn->next))
1.1       kristaps 1296:                return(0);
                   1297:        p->flags |= TERMP_NOSPACE;
                   1298:        term_word(p, "(");
1.86      kristaps 1299:        term_word(p, nn->string);
1.1       kristaps 1300:        term_word(p, ")");
1.86      kristaps 1301:
1.1       kristaps 1302:        return(0);
                   1303: }
                   1304:
                   1305:
1.143     kristaps 1306: /*
                   1307:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1308:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1309:  * macro combos).
                   1310:  */
                   1311: static void
                   1312: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1313: {
                   1314:        /*
                   1315:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1316:         * exist, do nothing.
                   1317:         */
1.160     kristaps 1318:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1319:                return;
                   1320:
                   1321:        /*
                   1322:         * If we're the second in a pair of like elements, emit our
                   1323:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1324:         * case we soldier on.
                   1325:         */
                   1326:        if (n->prev->tok == n->tok &&
                   1327:                        MDOC_Ft != n->tok &&
                   1328:                        MDOC_Fo != n->tok &&
                   1329:                        MDOC_Fn != n->tok) {
                   1330:                term_newln(p);
                   1331:                return;
                   1332:        }
                   1333:
                   1334:        /*
                   1335:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1336:         * another (or Fn/Fo, which we've let slip through) then assert
                   1337:         * vertical space, else only newline and move on.
                   1338:         */
                   1339:        switch (n->prev->tok) {
                   1340:        case (MDOC_Fd):
                   1341:                /* FALLTHROUGH */
                   1342:        case (MDOC_Fn):
                   1343:                /* FALLTHROUGH */
                   1344:        case (MDOC_Fo):
                   1345:                /* FALLTHROUGH */
                   1346:        case (MDOC_In):
                   1347:                /* FALLTHROUGH */
                   1348:        case (MDOC_Vt):
                   1349:                term_vspace(p);
                   1350:                break;
                   1351:        case (MDOC_Ft):
                   1352:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1353:                        term_vspace(p);
                   1354:                        break;
                   1355:                }
                   1356:                /* FALLTHROUGH */
                   1357:        default:
                   1358:                term_newln(p);
                   1359:                break;
                   1360:        }
                   1361: }
                   1362:
                   1363:
1.110     kristaps 1364: static int
                   1365: termp_vt_pre(DECL_ARGS)
                   1366: {
                   1367:
1.143     kristaps 1368:        if (MDOC_ELEM == n->type) {
                   1369:                synopsis_pre(p, n);
1.110     kristaps 1370:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1371:        } else if (MDOC_BLOCK == n->type) {
                   1372:                synopsis_pre(p, n);
                   1373:                return(1);
                   1374:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1375:                return(0);
                   1376:
                   1377:        return(termp_under_pre(p, pair, m, n));
                   1378: }
                   1379:
                   1380:
1.1       kristaps 1381: /* ARGSUSED */
                   1382: static int
1.69      kristaps 1383: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1384: {
                   1385:
1.102     kristaps 1386:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1387:        return(1);
                   1388: }
                   1389:
                   1390:
                   1391: /* ARGSUSED */
1.143     kristaps 1392: static int
                   1393: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1394: {
                   1395:
1.143     kristaps 1396:        synopsis_pre(p, n);
                   1397:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1398: }
                   1399:
                   1400:
                   1401: /* ARGSUSED */
                   1402: static int
                   1403: termp_sh_pre(DECL_ARGS)
                   1404: {
1.85      kristaps 1405:
                   1406:        /* No vspace between consecutive `Sh' calls. */
                   1407:
1.86      kristaps 1408:        switch (n->type) {
1.65      kristaps 1409:        case (MDOC_BLOCK):
1.86      kristaps 1410:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1411:                        if (NULL == n->prev->body->child)
1.65      kristaps 1412:                                break;
                   1413:                term_vspace(p);
                   1414:                break;
1.1       kristaps 1415:        case (MDOC_HEAD):
1.102     kristaps 1416:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1417:                break;
                   1418:        case (MDOC_BODY):
1.157     kristaps 1419:                p->offset = term_len(p, INDENT);
1.1       kristaps 1420:                break;
                   1421:        default:
                   1422:                break;
                   1423:        }
                   1424:        return(1);
                   1425: }
                   1426:
                   1427:
                   1428: /* ARGSUSED */
                   1429: static void
                   1430: termp_sh_post(DECL_ARGS)
                   1431: {
                   1432:
1.86      kristaps 1433:        switch (n->type) {
1.1       kristaps 1434:        case (MDOC_HEAD):
                   1435:                term_newln(p);
                   1436:                break;
                   1437:        case (MDOC_BODY):
                   1438:                term_newln(p);
                   1439:                p->offset = 0;
                   1440:                break;
                   1441:        default:
                   1442:                break;
                   1443:        }
                   1444: }
                   1445:
                   1446:
                   1447: /* ARGSUSED */
                   1448: static int
                   1449: termp_bt_pre(DECL_ARGS)
                   1450: {
                   1451:
                   1452:        term_word(p, "is currently in beta test.");
1.131     kristaps 1453:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1454:        return(0);
1.1       kristaps 1455: }
                   1456:
                   1457:
                   1458: /* ARGSUSED */
                   1459: static void
                   1460: termp_lb_post(DECL_ARGS)
                   1461: {
                   1462:
1.122     kristaps 1463:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1464:                term_newln(p);
1.1       kristaps 1465: }
                   1466:
                   1467:
                   1468: /* ARGSUSED */
                   1469: static int
                   1470: termp_ud_pre(DECL_ARGS)
                   1471: {
                   1472:
                   1473:        term_word(p, "currently under development.");
1.131     kristaps 1474:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1475:        return(0);
1.1       kristaps 1476: }
                   1477:
                   1478:
                   1479: /* ARGSUSED */
                   1480: static int
                   1481: termp_d1_pre(DECL_ARGS)
                   1482: {
                   1483:
1.86      kristaps 1484:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1485:                return(1);
                   1486:        term_newln(p);
1.157     kristaps 1487:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1488:        return(1);
                   1489: }
                   1490:
                   1491:
                   1492: /* ARGSUSED */
                   1493: static void
                   1494: termp_d1_post(DECL_ARGS)
                   1495: {
                   1496:
1.86      kristaps 1497:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1498:                return;
                   1499:        term_newln(p);
                   1500: }
                   1501:
                   1502:
                   1503: /* ARGSUSED */
                   1504: static int
                   1505: termp_ft_pre(DECL_ARGS)
                   1506: {
                   1507:
1.141     kristaps 1508:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1509:        synopsis_pre(p, n);
1.102     kristaps 1510:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1511:        return(1);
                   1512: }
                   1513:
                   1514:
                   1515: /* ARGSUSED */
                   1516: static int
                   1517: termp_fn_pre(DECL_ARGS)
                   1518: {
1.86      kristaps 1519:        const struct mdoc_node  *nn;
1.1       kristaps 1520:
1.143     kristaps 1521:        synopsis_pre(p, n);
1.139     kristaps 1522:
1.102     kristaps 1523:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1524:        term_word(p, n->child->string);
1.102     kristaps 1525:        term_fontpop(p);
1.1       kristaps 1526:
                   1527:        p->flags |= TERMP_NOSPACE;
                   1528:        term_word(p, "(");
                   1529:
1.86      kristaps 1530:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1531:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1532:                term_word(p, nn->string);
1.102     kristaps 1533:                term_fontpop(p);
                   1534:
1.86      kristaps 1535:                if (nn->next)
1.1       kristaps 1536:                        term_word(p, ",");
                   1537:        }
                   1538:
                   1539:        term_word(p, ")");
                   1540:
1.160     kristaps 1541:        if (MDOC_SYNPRETTY & n->flags)
1.1       kristaps 1542:                term_word(p, ";");
                   1543:
                   1544:        return(0);
                   1545: }
                   1546:
                   1547:
                   1548: /* ARGSUSED */
                   1549: static int
                   1550: termp_fa_pre(DECL_ARGS)
                   1551: {
1.86      kristaps 1552:        const struct mdoc_node  *nn;
1.1       kristaps 1553:
1.86      kristaps 1554:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1555:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1556:                return(1);
                   1557:        }
                   1558:
1.86      kristaps 1559:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1560:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1561:                term_word(p, nn->string);
1.102     kristaps 1562:                term_fontpop(p);
                   1563:
1.86      kristaps 1564:                if (nn->next)
1.1       kristaps 1565:                        term_word(p, ",");
                   1566:        }
                   1567:
1.86      kristaps 1568:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1569:                term_word(p, ",");
                   1570:
                   1571:        return(0);
                   1572: }
                   1573:
                   1574:
                   1575: /* ARGSUSED */
                   1576: static int
                   1577: termp_bd_pre(DECL_ARGS)
                   1578: {
1.179     kristaps 1579:        size_t                   tabwidth, rm, rmax;
1.85      kristaps 1580:        const struct mdoc_node  *nn;
1.1       kristaps 1581:
1.86      kristaps 1582:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1583:                print_bvspace(p, n, n);
1.54      kristaps 1584:                return(1);
1.116     kristaps 1585:        } else if (MDOC_HEAD == n->type)
                   1586:                return(0);
1.1       kristaps 1587:
1.202     kristaps 1588:        if (n->norm->Bd.offs)
                   1589:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1590:
                   1591:        /*
                   1592:         * If -ragged or -filled are specified, the block does nothing
                   1593:         * but change the indentation.  If -unfilled or -literal are
                   1594:         * specified, text is printed exactly as entered in the display:
                   1595:         * for macro lines, a newline is appended to the line.  Blank
                   1596:         * lines are allowed.
                   1597:         */
1.60      kristaps 1598:
1.202     kristaps 1599:        if (DISP_literal != n->norm->Bd.type &&
                   1600:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1601:                return(1);
                   1602:
1.129     schwarze 1603:        tabwidth = p->tabwidth;
1.208     kristaps 1604:        if (DISP_literal == n->norm->Bd.type)
                   1605:                p->tabwidth = term_len(p, 8);
                   1606:
1.119     kristaps 1607:        rm = p->rmargin;
                   1608:        rmax = p->maxrmargin;
1.120     kristaps 1609:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1610:
1.86      kristaps 1611:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1612:                print_mdoc_node(p, pair, m, nn);
1.190     kristaps 1613:                /*
                   1614:                 * If the printed node flushes its own line, then we
                   1615:                 * needn't do it here as well.  This is hacky, but the
                   1616:                 * notion of selective eoln whitespace is pretty dumb
                   1617:                 * anyway, so don't sweat it.
                   1618:                 */
                   1619:                switch (nn->tok) {
1.193     kristaps 1620:                case (MDOC_Sm):
                   1621:                        /* FALLTHROUGH */
1.190     kristaps 1622:                case (MDOC_br):
                   1623:                        /* FALLTHROUGH */
                   1624:                case (MDOC_sp):
                   1625:                        /* FALLTHROUGH */
                   1626:                case (MDOC_Bl):
1.196     kristaps 1627:                        /* FALLTHROUGH */
                   1628:                case (MDOC_D1):
                   1629:                        /* FALLTHROUGH */
                   1630:                case (MDOC_Dl):
1.190     kristaps 1631:                        /* FALLTHROUGH */
                   1632:                case (MDOC_Lp):
                   1633:                        /* FALLTHROUGH */
                   1634:                case (MDOC_Pp):
                   1635:                        continue;
                   1636:                default:
                   1637:                        break;
                   1638:                }
1.180     schwarze 1639:                if (nn->next && nn->next->line == nn->line)
                   1640:                        continue;
                   1641:                term_flushln(p);
                   1642:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1643:        }
1.147     kristaps 1644:
1.129     schwarze 1645:        p->tabwidth = tabwidth;
1.119     kristaps 1646:        p->rmargin = rm;
                   1647:        p->maxrmargin = rmax;
1.1       kristaps 1648:        return(0);
                   1649: }
                   1650:
                   1651:
                   1652: /* ARGSUSED */
                   1653: static void
                   1654: termp_bd_post(DECL_ARGS)
                   1655: {
1.119     kristaps 1656:        size_t           rm, rmax;
1.1       kristaps 1657:
1.86      kristaps 1658:        if (MDOC_BODY != n->type)
1.1       kristaps 1659:                return;
1.118     kristaps 1660:
1.119     kristaps 1661:        rm = p->rmargin;
                   1662:        rmax = p->maxrmargin;
1.118     kristaps 1663:
1.202     kristaps 1664:        if (DISP_literal == n->norm->Bd.type ||
                   1665:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1666:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1667:
1.60      kristaps 1668:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1669:        term_newln(p);
1.118     kristaps 1670:
1.119     kristaps 1671:        p->rmargin = rm;
                   1672:        p->maxrmargin = rmax;
1.1       kristaps 1673: }
                   1674:
                   1675:
                   1676: /* ARGSUSED */
1.211     kristaps 1677: static int
                   1678: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1679: {
1.212   ! kristaps 1680:        char             buf[3];
1.1       kristaps 1681:
1.211     kristaps 1682:        if (NULL != (n = n->child)) {
                   1683:                term_word(p, n->string);
                   1684:                p->flags |= TERMP_NOSPACE;
                   1685:                term_word(p, "BSD");
                   1686:        } else {
                   1687:                term_word(p, "BSD");
                   1688:                return(0);
                   1689:        }
                   1690:
                   1691:        if (NULL != (n = n->next)) {
1.212   ! kristaps 1692:                buf[0] = '-';
        !          1693:                buf[1] = toupper((unsigned char)*n->string);
        !          1694:                buf[2] = '\0';
        !          1695:
1.211     kristaps 1696:                p->flags |= TERMP_NOSPACE;
1.212   ! kristaps 1697:                term_word(p, buf);
1.1       kristaps 1698:                p->flags |= TERMP_NOSPACE;
1.212   ! kristaps 1699:                term_word(p, n->string + 1);
1.211     kristaps 1700:        }
                   1701:
                   1702:        return(0);
1.1       kristaps 1703: }
                   1704:
                   1705:
                   1706: /* ARGSUSED */
                   1707: static int
1.26      kristaps 1708: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1709: {
1.26      kristaps 1710:        const char      *pp;
1.1       kristaps 1711:
1.26      kristaps 1712:        pp = NULL;
1.86      kristaps 1713:        switch (n->tok) {
1.26      kristaps 1714:        case (MDOC_Bsx):
1.194     schwarze 1715:                pp = "BSD/OS";
1.26      kristaps 1716:                break;
                   1717:        case (MDOC_Dx):
1.100     kristaps 1718:                pp = "DragonFly";
1.26      kristaps 1719:                break;
                   1720:        case (MDOC_Fx):
                   1721:                pp = "FreeBSD";
                   1722:                break;
                   1723:        case (MDOC_Nx):
                   1724:                pp = "NetBSD";
                   1725:                break;
                   1726:        case (MDOC_Ox):
                   1727:                pp = "OpenBSD";
                   1728:                break;
                   1729:        case (MDOC_Ux):
                   1730:                pp = "UNIX";
                   1731:                break;
                   1732:        default:
                   1733:                break;
                   1734:        }
1.1       kristaps 1735:
1.26      kristaps 1736:        assert(pp);
                   1737:        term_word(p, pp);
1.1       kristaps 1738:        return(1);
                   1739: }
                   1740:
                   1741:
                   1742: /* ARGSUSED */
                   1743: static int
1.192     schwarze 1744: termp_igndelim_pre(DECL_ARGS)
1.1       kristaps 1745: {
                   1746:
                   1747:        p->flags |= TERMP_IGNDELIM;
                   1748:        return(1);
                   1749: }
                   1750:
                   1751:
                   1752: /* ARGSUSED */
                   1753: static void
                   1754: termp_pf_post(DECL_ARGS)
                   1755: {
                   1756:
                   1757:        p->flags |= TERMP_NOSPACE;
                   1758: }
                   1759:
                   1760:
                   1761: /* ARGSUSED */
                   1762: static int
                   1763: termp_ss_pre(DECL_ARGS)
                   1764: {
                   1765:
1.86      kristaps 1766:        switch (n->type) {
1.1       kristaps 1767:        case (MDOC_BLOCK):
                   1768:                term_newln(p);
1.86      kristaps 1769:                if (n->prev)
1.1       kristaps 1770:                        term_vspace(p);
                   1771:                break;
                   1772:        case (MDOC_HEAD):
1.102     kristaps 1773:                term_fontpush(p, TERMFONT_BOLD);
1.157     kristaps 1774:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1775:                break;
                   1776:        default:
                   1777:                break;
                   1778:        }
                   1779:
                   1780:        return(1);
                   1781: }
                   1782:
                   1783:
                   1784: /* ARGSUSED */
                   1785: static void
                   1786: termp_ss_post(DECL_ARGS)
                   1787: {
                   1788:
1.86      kristaps 1789:        if (MDOC_HEAD == n->type)
1.1       kristaps 1790:                term_newln(p);
                   1791: }
                   1792:
                   1793:
                   1794: /* ARGSUSED */
                   1795: static int
                   1796: termp_cd_pre(DECL_ARGS)
                   1797: {
                   1798:
1.143     kristaps 1799:        synopsis_pre(p, n);
1.102     kristaps 1800:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1801:        return(1);
                   1802: }
                   1803:
                   1804:
                   1805: /* ARGSUSED */
                   1806: static int
                   1807: termp_in_pre(DECL_ARGS)
                   1808: {
1.142     schwarze 1809:
1.143     kristaps 1810:        synopsis_pre(p, n);
1.1       kristaps 1811:
1.160     kristaps 1812:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1813:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1814:                term_word(p, "#include");
1.138     kristaps 1815:                term_word(p, "<");
                   1816:        } else {
                   1817:                term_word(p, "<");
                   1818:                term_fontpush(p, TERMFONT_UNDER);
                   1819:        }
1.22      kristaps 1820:
1.1       kristaps 1821:        p->flags |= TERMP_NOSPACE;
                   1822:        return(1);
                   1823: }
                   1824:
                   1825:
                   1826: /* ARGSUSED */
                   1827: static void
                   1828: termp_in_post(DECL_ARGS)
                   1829: {
                   1830:
1.160     kristaps 1831:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1832:                term_fontpush(p, TERMFONT_BOLD);
                   1833:
1.79      kristaps 1834:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1835:        term_word(p, ">");
                   1836:
1.160     kristaps 1837:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1838:                term_fontpop(p);
1.1       kristaps 1839: }
                   1840:
                   1841:
                   1842: /* ARGSUSED */
                   1843: static int
1.45      kristaps 1844: termp_sp_pre(DECL_ARGS)
                   1845: {
1.91      kristaps 1846:        size_t           i, len;
1.45      kristaps 1847:
1.86      kristaps 1848:        switch (n->tok) {
1.76      kristaps 1849:        case (MDOC_sp):
1.157     kristaps 1850:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1851:                break;
                   1852:        case (MDOC_br):
                   1853:                len = 0;
                   1854:                break;
                   1855:        default:
                   1856:                len = 1;
                   1857:                break;
1.45      kristaps 1858:        }
                   1859:
                   1860:        if (0 == len)
                   1861:                term_newln(p);
                   1862:        for (i = 0; i < len; i++)
                   1863:                term_vspace(p);
                   1864:
                   1865:        return(0);
                   1866: }
                   1867:
                   1868:
1.189     kristaps 1869: /* ARGSUSED */
1.45      kristaps 1870: static int
1.188     kristaps 1871: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1872: {
                   1873:
1.203     kristaps 1874:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1875:                return(1);
                   1876:
1.188     kristaps 1877:        switch (n->tok) {
                   1878:        case (MDOC_Ao):
                   1879:                /* FALLTHROUGH */
                   1880:        case (MDOC_Aq):
                   1881:                term_word(p, "<");
                   1882:                break;
                   1883:        case (MDOC_Bro):
                   1884:                /* FALLTHROUGH */
                   1885:        case (MDOC_Brq):
                   1886:                term_word(p, "{");
                   1887:                break;
                   1888:        case (MDOC_Oo):
                   1889:                /* FALLTHROUGH */
                   1890:        case (MDOC_Op):
                   1891:                /* FALLTHROUGH */
                   1892:        case (MDOC_Bo):
                   1893:                /* FALLTHROUGH */
                   1894:        case (MDOC_Bq):
                   1895:                term_word(p, "[");
                   1896:                break;
                   1897:        case (MDOC_Do):
                   1898:                /* FALLTHROUGH */
                   1899:        case (MDOC_Dq):
                   1900:                term_word(p, "``");
                   1901:                break;
                   1902:        case (MDOC_Po):
                   1903:                /* FALLTHROUGH */
                   1904:        case (MDOC_Pq):
                   1905:                term_word(p, "(");
                   1906:                break;
1.205     kristaps 1907:        case (MDOC__T):
                   1908:                /* FALLTHROUGH */
1.188     kristaps 1909:        case (MDOC_Qo):
                   1910:                /* FALLTHROUGH */
                   1911:        case (MDOC_Qq):
                   1912:                term_word(p, "\"");
                   1913:                break;
                   1914:        case (MDOC_Ql):
                   1915:                /* FALLTHROUGH */
                   1916:        case (MDOC_So):
                   1917:                /* FALLTHROUGH */
                   1918:        case (MDOC_Sq):
                   1919:                term_word(p, "`");
                   1920:                break;
                   1921:        default:
                   1922:                abort();
                   1923:                /* NOTREACHED */
                   1924:        }
1.1       kristaps 1925:
                   1926:        p->flags |= TERMP_NOSPACE;
                   1927:        return(1);
                   1928: }
                   1929:
                   1930:
1.189     kristaps 1931: /* ARGSUSED */
1.1       kristaps 1932: static void
1.188     kristaps 1933: termp_quote_post(DECL_ARGS)
1.1       kristaps 1934: {
                   1935:
1.203     kristaps 1936:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1937:                return;
                   1938:
                   1939:        p->flags |= TERMP_NOSPACE;
                   1940:
1.188     kristaps 1941:        switch (n->tok) {
                   1942:        case (MDOC_Ao):
                   1943:                /* FALLTHROUGH */
                   1944:        case (MDOC_Aq):
                   1945:                term_word(p, ">");
                   1946:                break;
                   1947:        case (MDOC_Bro):
                   1948:                /* FALLTHROUGH */
                   1949:        case (MDOC_Brq):
                   1950:                term_word(p, "}");
                   1951:                break;
                   1952:        case (MDOC_Oo):
                   1953:                /* FALLTHROUGH */
                   1954:        case (MDOC_Op):
                   1955:                /* FALLTHROUGH */
                   1956:        case (MDOC_Bo):
                   1957:                /* FALLTHROUGH */
                   1958:        case (MDOC_Bq):
                   1959:                term_word(p, "]");
                   1960:                break;
                   1961:        case (MDOC_Do):
                   1962:                /* FALLTHROUGH */
                   1963:        case (MDOC_Dq):
                   1964:                term_word(p, "''");
                   1965:                break;
                   1966:        case (MDOC_Po):
                   1967:                /* FALLTHROUGH */
                   1968:        case (MDOC_Pq):
                   1969:                term_word(p, ")");
                   1970:                break;
1.205     kristaps 1971:        case (MDOC__T):
                   1972:                /* FALLTHROUGH */
1.188     kristaps 1973:        case (MDOC_Qo):
                   1974:                /* FALLTHROUGH */
                   1975:        case (MDOC_Qq):
                   1976:                term_word(p, "\"");
                   1977:                break;
                   1978:        case (MDOC_Ql):
                   1979:                /* FALLTHROUGH */
                   1980:        case (MDOC_So):
                   1981:                /* FALLTHROUGH */
                   1982:        case (MDOC_Sq):
                   1983:                term_word(p, "'");
                   1984:                break;
                   1985:        default:
                   1986:                abort();
                   1987:                /* NOTREACHED */
                   1988:        }
1.1       kristaps 1989: }
                   1990:
                   1991:
                   1992: /* ARGSUSED */
                   1993: static int
                   1994: termp_fo_pre(DECL_ARGS)
                   1995: {
                   1996:
1.141     kristaps 1997:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 1998:                synopsis_pre(p, n);
1.141     kristaps 1999:                return(1);
                   2000:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2001:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2002:                term_word(p, "(");
                   2003:                return(1);
1.141     kristaps 2004:        }
                   2005:
1.169     kristaps 2006:        if (NULL == n->child)
                   2007:                return(0);
                   2008:
1.141     kristaps 2009:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2010:
1.141     kristaps 2011:        assert(n->child->string);
1.102     kristaps 2012:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2013:        term_word(p, n->child->string);
1.1       kristaps 2014:        return(0);
                   2015: }
                   2016:
                   2017:
                   2018: /* ARGSUSED */
                   2019: static void
                   2020: termp_fo_post(DECL_ARGS)
                   2021: {
                   2022:
1.143     kristaps 2023:        if (MDOC_BODY != n->type)
                   2024:                return;
                   2025:
                   2026:        term_word(p, ")");
                   2027:
1.188     kristaps 2028:        if (MDOC_SYNPRETTY & n->flags)
1.143     kristaps 2029:                term_word(p, ";");
1.1       kristaps 2030: }
                   2031:
                   2032:
                   2033: /* ARGSUSED */
                   2034: static int
                   2035: termp_bf_pre(DECL_ARGS)
                   2036: {
                   2037:
1.86      kristaps 2038:        if (MDOC_HEAD == n->type)
1.1       kristaps 2039:                return(0);
1.86      kristaps 2040:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2041:                return(1);
                   2042:
1.202     kristaps 2043:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2044:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2045:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2046:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2047:        else
1.102     kristaps 2048:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2049:
                   2050:        return(1);
                   2051: }
                   2052:
                   2053:
                   2054: /* ARGSUSED */
                   2055: static int
                   2056: termp_sm_pre(DECL_ARGS)
                   2057: {
                   2058:
1.86      kristaps 2059:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2060:        if (0 == strcmp("on", n->child->string)) {
                   2061:                if (p->col)
                   2062:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2063:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2064:        } else
1.1       kristaps 2065:                p->flags |= TERMP_NONOSPACE;
                   2066:
                   2067:        return(0);
                   2068: }
                   2069:
                   2070:
                   2071: /* ARGSUSED */
                   2072: static int
                   2073: termp_ap_pre(DECL_ARGS)
                   2074: {
                   2075:
                   2076:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2077:        term_word(p, "'");
1.1       kristaps 2078:        p->flags |= TERMP_NOSPACE;
                   2079:        return(1);
                   2080: }
                   2081:
                   2082:
                   2083: /* ARGSUSED */
                   2084: static void
                   2085: termp____post(DECL_ARGS)
                   2086: {
1.184     kristaps 2087:
                   2088:        /*
                   2089:         * Handle lists of authors.  In general, print each followed by
                   2090:         * a comma.  Don't print the comma if there are only two
                   2091:         * authors.
                   2092:         */
                   2093:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2094:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2095:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2096:                                return;
1.1       kristaps 2097:
1.95      kristaps 2098:        /* TODO: %U. */
                   2099:
1.187     kristaps 2100:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2101:                return;
                   2102:
1.186     kristaps 2103:        if (NULL == n->next) {
                   2104:                term_word(p, ".");
                   2105:                p->flags |= TERMP_SENTENCE;
                   2106:        } else
                   2107:                term_word(p, ",");
1.1       kristaps 2108: }
                   2109:
                   2110:
                   2111: /* ARGSUSED */
                   2112: static int
1.102     kristaps 2113: termp_li_pre(DECL_ARGS)
                   2114: {
                   2115:
                   2116:        term_fontpush(p, TERMFONT_NONE);
                   2117:        return(1);
                   2118: }
                   2119:
                   2120:
                   2121: /* ARGSUSED */
                   2122: static int
1.1       kristaps 2123: termp_lk_pre(DECL_ARGS)
                   2124: {
1.181     kristaps 2125:        const struct mdoc_node *nn, *sv;
1.1       kristaps 2126:
1.102     kristaps 2127:        term_fontpush(p, TERMFONT_UNDER);
1.181     kristaps 2128:
                   2129:        nn = sv = n->child;
1.96      kristaps 2130:
1.195     kristaps 2131:        if (NULL == nn || NULL == nn->next)
1.12      kristaps 2132:                return(1);
                   2133:
1.181     kristaps 2134:        for (nn = nn->next; nn; nn = nn->next)
                   2135:                term_word(p, nn->string);
                   2136:
1.102     kristaps 2137:        term_fontpop(p);
1.96      kristaps 2138:
1.1       kristaps 2139:        term_word(p, ":");
                   2140:
1.102     kristaps 2141:        term_fontpush(p, TERMFONT_BOLD);
1.181     kristaps 2142:        term_word(p, sv->string);
1.102     kristaps 2143:        term_fontpop(p);
1.12      kristaps 2144:
1.1       kristaps 2145:        return(0);
                   2146: }
                   2147:
1.159     schwarze 2148:
                   2149: /* ARGSUSED */
                   2150: static int
                   2151: termp_bk_pre(DECL_ARGS)
                   2152: {
                   2153:
1.161     schwarze 2154:        switch (n->type) {
                   2155:        case (MDOC_BLOCK):
1.166     kristaps 2156:                break;
1.161     schwarze 2157:        case (MDOC_HEAD):
                   2158:                return(0);
                   2159:        case (MDOC_BODY):
1.200     schwarze 2160:                if (n->parent->args || 0 == n->prev->nchild)
                   2161:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2162:                break;
1.161     schwarze 2163:        default:
                   2164:                abort();
1.166     kristaps 2165:                /* NOTREACHED */
1.161     schwarze 2166:        }
1.166     kristaps 2167:
                   2168:        return(1);
1.159     schwarze 2169: }
                   2170:
                   2171:
                   2172: /* ARGSUSED */
                   2173: static void
                   2174: termp_bk_post(DECL_ARGS)
                   2175: {
                   2176:
1.161     schwarze 2177:        if (MDOC_BODY == n->type)
                   2178:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2179: }
                   2180:
                   2181: /* ARGSUSED */
                   2182: static void
                   2183: termp__t_post(DECL_ARGS)
                   2184: {
                   2185:
                   2186:        /*
                   2187:         * If we're in an `Rs' and there's a journal present, then quote
                   2188:         * us instead of underlining us (for disambiguation).
                   2189:         */
1.204     kristaps 2190:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2191:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2192:                termp_quote_post(p, pair, m, n);
                   2193:
                   2194:        termp____post(p, pair, m, n);
                   2195: }
                   2196:
                   2197: /* ARGSUSED */
                   2198: static int
                   2199: termp__t_pre(DECL_ARGS)
                   2200: {
                   2201:
                   2202:        /*
                   2203:         * If we're in an `Rs' and there's a journal present, then quote
                   2204:         * us instead of underlining us (for disambiguation).
                   2205:         */
                   2206:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2207:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2208:                return(termp_quote_pre(p, pair, m, n));
                   2209:
                   2210:        term_fontpush(p, TERMFONT_UNDER);
                   2211:        return(1);
1.159     schwarze 2212: }
1.1       kristaps 2213:
                   2214: /* ARGSUSED */
                   2215: static int
1.69      kristaps 2216: termp_under_pre(DECL_ARGS)
1.1       kristaps 2217: {
                   2218:
1.102     kristaps 2219:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2220:        return(1);
                   2221: }

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