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Annotation of mandoc/mdoc_term.c, Revision 1.229

1.229   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.228 2011/04/30 22:14:02 kristaps Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.171     schwarze    4:  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    9:  *
1.6       kristaps   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   17:  */
1.107     kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.1       kristaps   22: #include <sys/types.h>
                     23:
                     24: #include <assert.h>
                     25: #include <ctype.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.125     kristaps   31: #include "mandoc.h"
1.92      kristaps   32: #include "out.h"
1.1       kristaps   33: #include "term.h"
                     34: #include "mdoc.h"
1.89      kristaps   35: #include "main.h"
1.1       kristaps   36:
1.66      kristaps   37: #define        INDENT            5
                     38: #define        HALFINDENT        3
                     39:
1.1       kristaps   40: struct termpair {
                     41:        struct termpair  *ppair;
1.31      kristaps   42:        int               count;
1.1       kristaps   43: };
                     44:
1.31      kristaps   45: #define        DECL_ARGS struct termp *p, \
                     46:                  struct termpair *pair, \
1.86      kristaps   47:                  const struct mdoc_meta *m, \
                     48:                  const struct mdoc_node *n
1.1       kristaps   49:
                     50: struct termact {
                     51:        int     (*pre)(DECL_ARGS);
                     52:        void    (*post)(DECL_ARGS);
                     53: };
                     54:
1.157     kristaps   55: static size_t    a2width(const struct termp *, const char *);
                     56: static size_t    a2height(const struct termp *, const char *);
                     57: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   58:
                     59: static void      print_bvspace(struct termp *,
1.151     kristaps   60:                        const struct mdoc_node *,
1.96      kristaps   61:                        const struct mdoc_node *);
1.102     kristaps   62: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   63: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   64: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   65: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   66: static void      synopsis_pre(struct termp *,
                     67:                        const struct mdoc_node *);
1.96      kristaps   68:
1.31      kristaps   69: static void      termp____post(DECL_ARGS);
1.203     kristaps   70: static void      termp__t_post(DECL_ARGS);
1.61      kristaps   71: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   72: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   73: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_bl_post(DECL_ARGS);
                     75: static void      termp_d1_post(DECL_ARGS);
                     76: static void      termp_fo_post(DECL_ARGS);
                     77: static void      termp_in_post(DECL_ARGS);
                     78: static void      termp_it_post(DECL_ARGS);
                     79: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   80: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   81: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   82: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   83: static void      termp_sh_post(DECL_ARGS);
                     84: static void      termp_ss_post(DECL_ARGS);
                     85:
1.184     kristaps   86: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   87: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   88: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   89: static int       termp_ap_pre(DECL_ARGS);
                     90: static int       termp_bd_pre(DECL_ARGS);
                     91: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   92: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   93: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   94: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   95: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   96: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   97: static int       termp_cd_pre(DECL_ARGS);
                     98: static int       termp_d1_pre(DECL_ARGS);
                     99: static int       termp_ex_pre(DECL_ARGS);
                    100: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps  101: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  102: static int       termp_fl_pre(DECL_ARGS);
                    103: static int       termp_fn_pre(DECL_ARGS);
                    104: static int       termp_fo_pre(DECL_ARGS);
                    105: static int       termp_ft_pre(DECL_ARGS);
1.192     schwarze  106: static int       termp_igndelim_pre(DECL_ARGS);
1.31      kristaps  107: static int       termp_in_pre(DECL_ARGS);
                    108: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  109: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  110: static int       termp_lk_pre(DECL_ARGS);
                    111: static int       termp_nd_pre(DECL_ARGS);
                    112: static int       termp_nm_pre(DECL_ARGS);
                    113: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  114: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  115: static int       termp_rs_pre(DECL_ARGS);
                    116: static int       termp_rv_pre(DECL_ARGS);
                    117: static int       termp_sh_pre(DECL_ARGS);
                    118: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  119: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  121: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  122: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  123: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  124: static int       termp_xr_pre(DECL_ARGS);
                    125: static int       termp_xx_pre(DECL_ARGS);
                    126:
1.70      kristaps  127: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  128:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  129:        { NULL, NULL }, /* Dd */
                    130:        { NULL, NULL }, /* Dt */
                    131:        { NULL, NULL }, /* Os */
                    132:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    133:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  134:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  135:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    136:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    137:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    138:        { NULL, NULL }, /* Ed */
1.115     kristaps  139:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  140:        { NULL, NULL }, /* El */
                    141:        { termp_it_pre, termp_it_post }, /* It */
1.178     kristaps  142:        { termp_under_pre, NULL }, /* Ad */
1.61      kristaps  143:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  144:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  145:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  146:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  147:        { NULL, NULL }, /* Dv */
                    148:        { NULL, NULL }, /* Er */
                    149:        { NULL, NULL }, /* Ev */
                    150:        { termp_ex_pre, NULL }, /* Ex */
                    151:        { termp_fa_pre, NULL }, /* Fa */
1.143     kristaps  152:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  153:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  154:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  155:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  156:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  157:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  158:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  159:        { termp_nd_pre, NULL }, /* Nd */
1.164     schwarze  160:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  161:        { termp_quote_pre, termp_quote_post }, /* Op */
1.1       kristaps  162:        { NULL, NULL }, /* Ot */
1.69      kristaps  163:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  164:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  165:        { NULL, NULL }, /* St */
1.69      kristaps  166:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  167:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  168:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  169:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  170:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  171:        { NULL, termp____post }, /* %D */
1.84      kristaps  172:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  173:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  174:        { NULL, termp____post }, /* %N */
                    175:        { NULL, termp____post }, /* %O */
                    176:        { NULL, termp____post }, /* %P */
                    177:        { NULL, termp____post }, /* %R */
1.203     kristaps  178:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  179:        { NULL, termp____post }, /* %V */
                    180:        { NULL, NULL }, /* Ac */
1.188     kristaps  181:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    182:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  183:        { NULL, NULL }, /* At */
1.1       kristaps  184:        { NULL, NULL }, /* Bc */
                    185:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  186:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    187:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  188:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  189:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  190:        { NULL, NULL }, /* Db */
                    191:        { NULL, NULL }, /* Dc */
1.188     kristaps  192:        { termp_quote_pre, termp_quote_post }, /* Do */
                    193:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  194:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  195:        { NULL, NULL }, /* Ef */
1.69      kristaps  196:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  197:        { NULL, NULL }, /* Eo */
1.26      kristaps  198:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  199:        { termp_bold_pre, NULL }, /* Ms */
1.192     schwarze  200:        { termp_igndelim_pre, NULL }, /* No */
1.1       kristaps  201:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  202:        { termp_xx_pre, NULL }, /* Nx */
                    203:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  204:        { NULL, NULL }, /* Pc */
1.192     schwarze  205:        { termp_igndelim_pre, termp_pf_post }, /* Pf */
1.188     kristaps  206:        { termp_quote_pre, termp_quote_post }, /* Po */
                    207:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  208:        { NULL, NULL }, /* Qc */
1.188     kristaps  209:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    210:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    211:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  212:        { NULL, NULL }, /* Re */
                    213:        { termp_rs_pre, NULL }, /* Rs */
                    214:        { NULL, NULL }, /* Sc */
1.188     kristaps  215:        { termp_quote_pre, termp_quote_post }, /* So */
                    216:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  217:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  218:        { termp_under_pre, NULL }, /* Sx */
                    219:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  220:        { NULL, NULL }, /* Tn */
1.26      kristaps  221:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  222:        { NULL, NULL }, /* Xc */
                    223:        { NULL, NULL }, /* Xo */
                    224:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    225:        { NULL, NULL }, /* Fc */
1.188     kristaps  226:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  227:        { NULL, NULL }, /* Oc */
1.159     schwarze  228:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  229:        { NULL, NULL }, /* Ek */
                    230:        { termp_bt_pre, NULL }, /* Bt */
                    231:        { NULL, NULL }, /* Hf */
                    232:        { NULL, NULL }, /* Fr */
                    233:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  234:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  235:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  236:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  237:        { termp_under_pre, NULL }, /* Mt */
1.188     kristaps  238:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    239:        { termp_quote_pre, termp_quote_post }, /* Bro */
1.1       kristaps  240:        { NULL, NULL }, /* Brc */
1.83      kristaps  241:        { NULL, termp____post }, /* %C */
1.81      kristaps  242:        { NULL, NULL }, /* Es */ /* TODO */
                    243:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  244:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  245:        { NULL, termp____post }, /* %Q */
1.76      kristaps  246:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  247:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  248:        { termp_under_pre, termp____post }, /* %U */
1.135     kristaps  249:        { NULL, NULL }, /* Ta */
1.1       kristaps  250: };
                    251:
                    252:
1.70      kristaps  253: void
1.89      kristaps  254: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  255: {
1.70      kristaps  256:        const struct mdoc_node  *n;
                    257:        const struct mdoc_meta  *m;
1.89      kristaps  258:        struct termp            *p;
                    259:
                    260:        p = (struct termp *)arg;
1.111     kristaps  261:
                    262:        p->overstep = 0;
1.123     joerg     263:        p->maxrmargin = p->defrmargin;
1.157     kristaps  264:        p->tabwidth = term_len(p, 5);
1.89      kristaps  265:
                    266:        if (NULL == p->symtab)
                    267:                switch (p->enc) {
                    268:                case (TERMENC_ASCII):
1.229   ! kristaps  269:                        p->symtab = mchars_alloc();
1.89      kristaps  270:                        break;
                    271:                default:
                    272:                        abort();
                    273:                        /* NOTREACHED */
                    274:                }
1.70      kristaps  275:
                    276:        n = mdoc_node(mdoc);
                    277:        m = mdoc_meta(mdoc);
1.146     schwarze  278:
                    279:        term_begin(p, print_mdoc_head, print_mdoc_foot, m);
1.70      kristaps  280:
                    281:        if (n->child)
1.102     kristaps  282:                print_mdoc_nodelist(p, NULL, m, n->child);
1.144     kristaps  283:
                    284:        term_end(p);
1.1       kristaps  285: }
                    286:
                    287:
1.3       kristaps  288: static void
1.102     kristaps  289: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  290: {
                    291:
1.102     kristaps  292:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  293:        if (n->next)
1.102     kristaps  294:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  295: }
                    296:
                    297:
1.70      kristaps  298: /* ARGSUSED */
1.3       kristaps  299: static void
1.102     kristaps  300: print_mdoc_node(DECL_ARGS)
1.1       kristaps  301: {
1.102     kristaps  302:        int              chld;
                    303:        const void      *font;
1.1       kristaps  304:        struct termpair  npair;
1.30      kristaps  305:        size_t           offset, rmargin;
1.1       kristaps  306:
1.70      kristaps  307:        chld = 1;
1.29      kristaps  308:        offset = p->offset;
1.30      kristaps  309:        rmargin = p->rmargin;
1.102     kristaps  310:        font = term_fontq(p);
1.29      kristaps  311:
1.97      kristaps  312:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  313:        npair.ppair = pair;
1.172     kristaps  314:
                    315:        /*
                    316:         * Keeps only work until the end of a line.  If a keep was
                    317:         * invoked in a prior line, revert it to PREKEEP.
1.197     schwarze  318:         *
                    319:         * Also let SYNPRETTY sections behave as if they were wrapped
                    320:         * in a `Bk' block.
1.172     kristaps  321:         */
                    322:
1.197     schwarze  323:        if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.172     kristaps  324:                if (n->prev && n->prev->line != n->line) {
                    325:                        p->flags &= ~TERMP_KEEP;
                    326:                        p->flags |= TERMP_PREKEEP;
                    327:                } else if (NULL == n->prev) {
                    328:                        if (n->parent && n->parent->line != n->line) {
                    329:                                p->flags &= ~TERMP_KEEP;
                    330:                                p->flags |= TERMP_PREKEEP;
                    331:                        }
                    332:                }
                    333:        }
1.197     schwarze  334:
                    335:        /*
                    336:         * Since SYNPRETTY sections aren't "turned off" with `Ek',
                    337:         * we have to intuit whether we should disable formatting.
                    338:         */
                    339:
                    340:        if ( ! (MDOC_SYNPRETTY & n->flags) &&
                    341:            ((n->prev   && MDOC_SYNPRETTY & n->prev->flags) ||
                    342:             (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
                    343:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.102     kristaps  344:
1.217     schwarze  345:        /*
                    346:         * After the keep flags have been set up, we may now
                    347:         * produce output.  Note that some pre-handlers do so.
                    348:         */
                    349:
                    350:        switch (n->type) {
                    351:        case (MDOC_TEXT):
                    352:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    353:                        term_newln(p);
1.222     kristaps  354:                if (MDOC_DELIMC & n->flags)
                    355:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  356:                term_word(p, n->string);
1.222     kristaps  357:                if (MDOC_DELIMO & n->flags)
                    358:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  359:                break;
                    360:        case (MDOC_EQN):
1.219     kristaps  361:                term_word(p, n->eqn->data);
1.217     schwarze  362:                break;
                    363:        case (MDOC_TBL):
                    364:                term_tbl(p, n->span);
                    365:                break;
                    366:        default:
                    367:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    368:                        chld = (*termacts[n->tok].pre)
                    369:                                (p, &npair, m, n);
                    370:                break;
                    371:        }
                    372:
1.86      kristaps  373:        if (chld && n->child)
1.102     kristaps  374:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  375:
1.102     kristaps  376:        term_fontpopq(p, font);
1.46      kristaps  377:
1.206     kristaps  378:        switch (n->type) {
                    379:        case (MDOC_TEXT):
                    380:                break;
                    381:        case (MDOC_TBL):
1.216     kristaps  382:                break;
                    383:        case (MDOC_EQN):
1.206     kristaps  384:                break;
                    385:        default:
                    386:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    387:                        break;
1.165     kristaps  388:                (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.162     schwarze  389:
                    390:                /*
                    391:                 * Explicit end tokens not only call the post
                    392:                 * handler, but also tell the respective block
                    393:                 * that it must not call the post handler again.
                    394:                 */
1.165     kristaps  395:                if (ENDBODY_NOT != n->end)
1.162     schwarze  396:                        n->pending->flags |= MDOC_ENDED;
                    397:
                    398:                /*
                    399:                 * End of line terminating an implicit block
                    400:                 * while an explicit block is still open.
                    401:                 * Continue the explicit block without spacing.
                    402:                 */
                    403:                if (ENDBODY_NOSPACE == n->end)
                    404:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  405:                break;
1.162     schwarze  406:        }
1.121     kristaps  407:
                    408:        if (MDOC_EOS & n->flags)
                    409:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  410:
                    411:        p->offset = offset;
1.30      kristaps  412:        p->rmargin = rmargin;
1.1       kristaps  413: }
                    414:
                    415:
1.3       kristaps  416: static void
1.145     kristaps  417: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  418: {
1.144     kristaps  419:        const struct mdoc_meta *m;
                    420:
                    421:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  422:
1.102     kristaps  423:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  424:
1.9       kristaps  425:        /*
                    426:         * Output the footer in new-groff style, that is, three columns
                    427:         * with the middle being the manual date and flanking columns
                    428:         * being the operating system:
                    429:         *
                    430:         * SYSTEM                  DATE                    SYSTEM
                    431:         */
                    432:
1.1       kristaps  433:        term_vspace(p);
                    434:
1.9       kristaps  435:        p->offset = 0;
1.157     kristaps  436:        p->rmargin = (p->maxrmargin -
1.220     schwarze  437:                        term_strlen(p, m->date) + term_len(p, 1)) / 2;
1.1       kristaps  438:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    439:
1.220     schwarze  440:        term_word(p, m->os);
1.1       kristaps  441:        term_flushln(p);
                    442:
1.9       kristaps  443:        p->offset = p->rmargin;
1.220     schwarze  444:        p->rmargin = p->maxrmargin - term_strlen(p, m->os);
1.1       kristaps  445:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  446:
1.220     schwarze  447:        term_word(p, m->date);
1.9       kristaps  448:        term_flushln(p);
                    449:
1.1       kristaps  450:        p->offset = p->rmargin;
                    451:        p->rmargin = p->maxrmargin;
                    452:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  453:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  454:
1.220     schwarze  455:        term_word(p, m->os);
1.1       kristaps  456:        term_flushln(p);
                    457:
1.9       kristaps  458:        p->offset = 0;
                    459:        p->rmargin = p->maxrmargin;
                    460:        p->flags = 0;
1.1       kristaps  461: }
                    462:
                    463:
1.3       kristaps  464: static void
1.144     kristaps  465: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  466: {
1.98      kristaps  467:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  468:        const struct mdoc_meta *m;
                    469:
                    470:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  471:
                    472:        p->rmargin = p->maxrmargin;
                    473:        p->offset = 0;
                    474:
                    475:        /*
                    476:         * The header is strange.  It has three components, which are
                    477:         * really two with the first duplicated.  It goes like this:
                    478:         *
                    479:         * IDENTIFIER              TITLE                   IDENTIFIER
                    480:         *
                    481:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    482:         * (if given, or "unknown" if not) followed by the manual page
                    483:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    484:         * string depending on the manual volume.  If not specified, it
                    485:         * switches on the manual section.
                    486:         */
                    487:
1.86      kristaps  488:        assert(m->vol);
1.98      kristaps  489:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  490:
1.86      kristaps  491:        if (m->arch) {
1.98      kristaps  492:                strlcat(buf, " (", BUFSIZ);
                    493:                strlcat(buf, m->arch, BUFSIZ);
                    494:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  495:        }
                    496:
1.124     kristaps  497:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  498:
                    499:        p->offset = 0;
1.157     kristaps  500:        p->rmargin = (p->maxrmargin -
                    501:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  502:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    503:
                    504:        term_word(p, title);
                    505:        term_flushln(p);
                    506:
                    507:        p->offset = p->rmargin;
1.157     kristaps  508:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.9       kristaps  509:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  510:
                    511:        term_word(p, buf);
                    512:        term_flushln(p);
                    513:
                    514:        p->offset = p->rmargin;
                    515:        p->rmargin = p->maxrmargin;
                    516:        p->flags &= ~TERMP_NOBREAK;
                    517:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    518:
                    519:        term_word(p, title);
                    520:        term_flushln(p);
                    521:
1.9       kristaps  522:        p->offset = 0;
1.1       kristaps  523:        p->rmargin = p->maxrmargin;
                    524:        p->flags &= ~TERMP_NOSPACE;
                    525: }
                    526:
                    527:
                    528: static size_t
1.157     kristaps  529: a2height(const struct termp *p, const char *v)
1.1       kristaps  530: {
1.92      kristaps  531:        struct roffsu    su;
1.91      kristaps  532:
1.157     kristaps  533:        assert(v);
                    534:        if ( ! a2roffsu(v, &su, SCALE_VS))
                    535:                SCALE_VS_INIT(&su, term_len(p, 1));
1.91      kristaps  536:
1.157     kristaps  537:        return(term_vspan(p, &su));
1.91      kristaps  538: }
1.1       kristaps  539:
1.40      kristaps  540:
1.91      kristaps  541: static size_t
1.157     kristaps  542: a2width(const struct termp *p, const char *v)
1.91      kristaps  543: {
1.92      kristaps  544:        struct roffsu    su;
1.1       kristaps  545:
1.154     kristaps  546:        assert(v);
                    547:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  548:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  549:
1.157     kristaps  550:        return(term_hspan(p, &su));
1.1       kristaps  551: }
                    552:
                    553:
                    554: static size_t
1.157     kristaps  555: a2offs(const struct termp *p, const char *v)
1.1       kristaps  556: {
1.92      kristaps  557:        struct roffsu    su;
1.1       kristaps  558:
1.148     kristaps  559:        if ('\0' == *v)
1.91      kristaps  560:                return(0);
1.148     kristaps  561:        else if (0 == strcmp(v, "left"))
1.19      kristaps  562:                return(0);
1.148     kristaps  563:        else if (0 == strcmp(v, "indent"))
1.157     kristaps  564:                return(term_len(p, INDENT + 1));
1.148     kristaps  565:        else if (0 == strcmp(v, "indent-two"))
1.157     kristaps  566:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  567:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  568:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  569:
1.157     kristaps  570:        return(term_hspan(p, &su));
1.1       kristaps  571: }
                    572:
                    573:
1.108     kristaps  574: /*
                    575:  * Determine how much space to print out before block elements of `It'
                    576:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    577:  * too.
                    578:  */
1.54      kristaps  579: static void
1.151     kristaps  580: print_bvspace(struct termp *p,
                    581:                const struct mdoc_node *bl,
                    582:                const struct mdoc_node *n)
1.1       kristaps  583: {
1.86      kristaps  584:        const struct mdoc_node  *nn;
1.1       kristaps  585:
                    586:        term_newln(p);
1.150     kristaps  587:
1.202     kristaps  588:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  589:                return;
1.202     kristaps  590:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  591:                return;
                    592:
1.85      kristaps  593:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  594:
1.86      kristaps  595:        for (nn = n; nn; nn = nn->parent) {
                    596:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  597:                        continue;
1.86      kristaps  598:                if (MDOC_Ss == nn->tok)
1.54      kristaps  599:                        return;
1.86      kristaps  600:                if (MDOC_Sh == nn->tok)
1.54      kristaps  601:                        return;
1.86      kristaps  602:                if (NULL == nn->prev)
1.1       kristaps  603:                        continue;
                    604:                break;
                    605:        }
                    606:
1.85      kristaps  607:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  608:
1.202     kristaps  609:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  610:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  611:                        return;
                    612:
1.85      kristaps  613:        /* A `-diag' without body does not vspace. */
                    614:
1.202     kristaps  615:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  616:                if (n->prev && MDOC_It == n->prev->tok) {
                    617:                        assert(n->prev->body);
                    618:                        if (NULL == n->prev->body->child)
1.55      kristaps  619:                                return;
                    620:                }
                    621:
1.54      kristaps  622:        term_vspace(p);
1.1       kristaps  623: }
                    624:
                    625:
                    626: /* ARGSUSED */
                    627: static int
                    628: termp_it_pre(DECL_ARGS)
                    629: {
1.86      kristaps  630:        const struct mdoc_node *bl, *nn;
1.1       kristaps  631:        char                    buf[7];
1.170     kristaps  632:        int                     i;
1.108     kristaps  633:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  634:        enum mdoc_list          type;
1.1       kristaps  635:
1.86      kristaps  636:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  637:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  638:                return(1);
                    639:        }
1.1       kristaps  640:
1.86      kristaps  641:        bl = n->parent->parent->parent;
1.202     kristaps  642:        type = bl->norm->Bl.type;
1.1       kristaps  643:
1.108     kristaps  644:        /*
                    645:         * First calculate width and offset.  This is pretty easy unless
                    646:         * we're a -column list, in which case all prior columns must
                    647:         * be accounted for.
                    648:         */
                    649:
                    650:        width = offset = 0;
                    651:
1.202     kristaps  652:        if (bl->norm->Bl.offs)
                    653:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  654:
1.1       kristaps  655:        switch (type) {
1.126     kristaps  656:        case (LIST_column):
1.134     kristaps  657:                if (MDOC_HEAD == n->type)
1.1       kristaps  658:                        break;
1.155     kristaps  659:
1.105     kristaps  660:                /*
1.108     kristaps  661:                 * Imitate groff's column handling:
                    662:                 * - For each earlier column, add its width.
                    663:                 * - For less than 5 columns, add four more blanks per
                    664:                 *   column.
                    665:                 * - For exactly 5 columns, add three more blank per
                    666:                 *   column.
                    667:                 * - For more than 5 columns, add only one column.
1.105     kristaps  668:                 */
1.202     kristaps  669:                ncols = bl->norm->Bl.ncols;
1.170     kristaps  670:
1.108     kristaps  671:                /* LINTED */
1.157     kristaps  672:                dcol = ncols < 5 ? term_len(p, 4) :
                    673:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  674:
1.134     kristaps  675:                /*
                    676:                 * Calculate the offset by applying all prior MDOC_BODY,
                    677:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    678:                 */
                    679:
1.108     kristaps  680:                for (i = 0, nn = n->prev;
1.134     kristaps  681:                                nn->prev && i < (int)ncols;
1.108     kristaps  682:                                nn = nn->prev, i++)
                    683:                        offset += dcol + a2width
1.202     kristaps  684:                                (p, bl->norm->Bl.cols[i]);
1.105     kristaps  685:
                    686:                /*
1.108     kristaps  687:                 * When exceeding the declared number of columns, leave
                    688:                 * the remaining widths at 0.  This will later be
                    689:                 * adjusted to the default width of 10, or, for the last
                    690:                 * column, stretched to the right margin.
1.58      kristaps  691:                 */
1.108     kristaps  692:                if (i >= (int)ncols)
                    693:                        break;
1.58      kristaps  694:
1.105     kristaps  695:                /*
1.108     kristaps  696:                 * Use the declared column widths, extended as explained
                    697:                 * in the preceding paragraph.
1.105     kristaps  698:                 */
1.202     kristaps  699:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  700:                break;
                    701:        default:
1.202     kristaps  702:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  703:                        break;
                    704:
                    705:                /*
                    706:                 * Note: buffer the width by 2, which is groff's magic
                    707:                 * number for buffering single arguments.  See the above
                    708:                 * handling for column for how this changes.
                    709:                 */
1.202     kristaps  710:                assert(bl->norm->Bl.width);
                    711:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  712:                break;
                    713:        }
                    714:
                    715:        /*
                    716:         * List-type can override the width in the case of fixed-head
                    717:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  718:         * offset.
1.1       kristaps  719:         */
                    720:
                    721:        switch (type) {
1.126     kristaps  722:        case (LIST_bullet):
1.1       kristaps  723:                /* FALLTHROUGH */
1.126     kristaps  724:        case (LIST_dash):
1.1       kristaps  725:                /* FALLTHROUGH */
1.126     kristaps  726:        case (LIST_hyphen):
1.157     kristaps  727:                if (width < term_len(p, 4))
                    728:                        width = term_len(p, 4);
1.1       kristaps  729:                break;
1.126     kristaps  730:        case (LIST_enum):
1.157     kristaps  731:                if (width < term_len(p, 5))
                    732:                        width = term_len(p, 5);
1.17      kristaps  733:                break;
1.126     kristaps  734:        case (LIST_hang):
1.39      kristaps  735:                if (0 == width)
1.157     kristaps  736:                        width = term_len(p, 8);
1.39      kristaps  737:                break;
1.126     kristaps  738:        case (LIST_column):
1.49      kristaps  739:                /* FALLTHROUGH */
1.126     kristaps  740:        case (LIST_tag):
1.1       kristaps  741:                if (0 == width)
1.157     kristaps  742:                        width = term_len(p, 10);
1.1       kristaps  743:                break;
                    744:        default:
                    745:                break;
                    746:        }
                    747:
                    748:        /*
1.17      kristaps  749:         * Whitespace control.  Inset bodies need an initial space,
                    750:         * while diagonal bodies need two.
1.1       kristaps  751:         */
                    752:
1.51      kristaps  753:        p->flags |= TERMP_NOSPACE;
                    754:
1.1       kristaps  755:        switch (type) {
1.126     kristaps  756:        case (LIST_diag):
1.86      kristaps  757:                if (MDOC_BODY == n->type)
1.62      kristaps  758:                        term_word(p, "\\ \\ ");
1.51      kristaps  759:                break;
1.126     kristaps  760:        case (LIST_inset):
1.86      kristaps  761:                if (MDOC_BODY == n->type)
1.51      kristaps  762:                        term_word(p, "\\ ");
1.1       kristaps  763:                break;
                    764:        default:
                    765:                break;
                    766:        }
                    767:
1.51      kristaps  768:        p->flags |= TERMP_NOSPACE;
                    769:
1.1       kristaps  770:        switch (type) {
1.126     kristaps  771:        case (LIST_diag):
1.86      kristaps  772:                if (MDOC_HEAD == n->type)
1.102     kristaps  773:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  774:                break;
                    775:        default:
                    776:                break;
                    777:        }
                    778:
                    779:        /*
1.109     kristaps  780:         * Pad and break control.  This is the tricky part.  These flags
                    781:         * are documented in term_flushln() in term.c.  Note that we're
                    782:         * going to unset all of these flags in termp_it_post() when we
                    783:         * exit.
1.1       kristaps  784:         */
                    785:
                    786:        switch (type) {
1.126     kristaps  787:        case (LIST_bullet):
1.1       kristaps  788:                /* FALLTHROUGH */
1.126     kristaps  789:        case (LIST_dash):
1.1       kristaps  790:                /* FALLTHROUGH */
1.126     kristaps  791:        case (LIST_enum):
1.1       kristaps  792:                /* FALLTHROUGH */
1.126     kristaps  793:        case (LIST_hyphen):
1.86      kristaps  794:                if (MDOC_HEAD == n->type)
1.39      kristaps  795:                        p->flags |= TERMP_NOBREAK;
                    796:                else
                    797:                        p->flags |= TERMP_NOLPAD;
                    798:                break;
1.126     kristaps  799:        case (LIST_hang):
1.86      kristaps  800:                if (MDOC_HEAD == n->type)
1.39      kristaps  801:                        p->flags |= TERMP_NOBREAK;
                    802:                else
                    803:                        p->flags |= TERMP_NOLPAD;
                    804:
1.86      kristaps  805:                if (MDOC_HEAD != n->type)
1.59      kristaps  806:                        break;
                    807:
                    808:                /*
                    809:                 * This is ugly.  If `-hang' is specified and the body
                    810:                 * is a `Bl' or `Bd', then we want basically to nullify
                    811:                 * the "overstep" effect in term_flushln() and treat
                    812:                 * this as a `-ohang' list instead.
                    813:                 */
1.86      kristaps  814:                if (n->next->child &&
                    815:                                (MDOC_Bl == n->next->child->tok ||
                    816:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  817:                        p->flags &= ~TERMP_NOBREAK;
                    818:                        p->flags &= ~TERMP_NOLPAD;
                    819:                } else
1.39      kristaps  820:                        p->flags |= TERMP_HANG;
                    821:                break;
1.126     kristaps  822:        case (LIST_tag):
1.86      kristaps  823:                if (MDOC_HEAD == n->type)
1.51      kristaps  824:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  825:                else
                    826:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  827:
1.86      kristaps  828:                if (MDOC_HEAD != n->type)
1.39      kristaps  829:                        break;
1.86      kristaps  830:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  831:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  832:                break;
1.126     kristaps  833:        case (LIST_column):
1.134     kristaps  834:                if (MDOC_HEAD == n->type)
                    835:                        break;
                    836:
                    837:                if (NULL == n->next)
                    838:                        p->flags &= ~TERMP_NOBREAK;
                    839:                else
                    840:                        p->flags |= TERMP_NOBREAK;
                    841:
                    842:                assert(n->prev);
                    843:                if (MDOC_BODY == n->prev->type)
                    844:                        p->flags |= TERMP_NOLPAD;
                    845:
1.1       kristaps  846:                break;
1.126     kristaps  847:        case (LIST_diag):
1.86      kristaps  848:                if (MDOC_HEAD == n->type)
1.1       kristaps  849:                        p->flags |= TERMP_NOBREAK;
                    850:                break;
                    851:        default:
                    852:                break;
                    853:        }
                    854:
                    855:        /*
                    856:         * Margin control.  Set-head-width lists have their right
                    857:         * margins shortened.  The body for these lists has the offset
                    858:         * necessarily lengthened.  Everybody gets the offset.
                    859:         */
                    860:
                    861:        p->offset += offset;
                    862:
                    863:        switch (type) {
1.126     kristaps  864:        case (LIST_hang):
1.59      kristaps  865:                /*
                    866:                 * Same stipulation as above, regarding `-hang'.  We
                    867:                 * don't want to recalculate rmargin and offsets when
                    868:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    869:                 */
1.86      kristaps  870:                if (MDOC_HEAD == n->type && n->next->child &&
                    871:                                (MDOC_Bl == n->next->child->tok ||
                    872:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  873:                        break;
                    874:                /* FALLTHROUGH */
1.126     kristaps  875:        case (LIST_bullet):
1.1       kristaps  876:                /* FALLTHROUGH */
1.126     kristaps  877:        case (LIST_dash):
1.1       kristaps  878:                /* FALLTHROUGH */
1.126     kristaps  879:        case (LIST_enum):
1.1       kristaps  880:                /* FALLTHROUGH */
1.126     kristaps  881:        case (LIST_hyphen):
1.1       kristaps  882:                /* FALLTHROUGH */
1.126     kristaps  883:        case (LIST_tag):
1.49      kristaps  884:                assert(width);
1.86      kristaps  885:                if (MDOC_HEAD == n->type)
1.1       kristaps  886:                        p->rmargin = p->offset + width;
                    887:                else
                    888:                        p->offset += width;
                    889:                break;
1.126     kristaps  890:        case (LIST_column):
1.49      kristaps  891:                assert(width);
1.1       kristaps  892:                p->rmargin = p->offset + width;
1.50      kristaps  893:                /*
                    894:                 * XXX - this behaviour is not documented: the
                    895:                 * right-most column is filled to the right margin.
                    896:                 */
1.134     kristaps  897:                if (MDOC_HEAD == n->type)
                    898:                        break;
                    899:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  900:                        p->rmargin = p->maxrmargin;
1.1       kristaps  901:                break;
                    902:        default:
                    903:                break;
                    904:        }
                    905:
                    906:        /*
                    907:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  908:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  909:         */
                    910:
1.86      kristaps  911:        if (MDOC_HEAD == n->type)
1.1       kristaps  912:                switch (type) {
1.126     kristaps  913:                case (LIST_bullet):
1.102     kristaps  914:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  915:                        term_word(p, "\\[bu]");
1.102     kristaps  916:                        term_fontpop(p);
1.1       kristaps  917:                        break;
1.126     kristaps  918:                case (LIST_dash):
1.1       kristaps  919:                        /* FALLTHROUGH */
1.126     kristaps  920:                case (LIST_hyphen):
1.102     kristaps  921:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  922:                        term_word(p, "\\(hy");
1.102     kristaps  923:                        term_fontpop(p);
1.1       kristaps  924:                        break;
1.126     kristaps  925:                case (LIST_enum):
1.1       kristaps  926:                        (pair->ppair->ppair->count)++;
1.109     kristaps  927:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  928:                                        pair->ppair->ppair->count);
                    929:                        term_word(p, buf);
                    930:                        break;
                    931:                default:
                    932:                        break;
                    933:                }
                    934:
                    935:        /*
                    936:         * If we're not going to process our children, indicate so here.
                    937:         */
                    938:
                    939:        switch (type) {
1.126     kristaps  940:        case (LIST_bullet):
1.1       kristaps  941:                /* FALLTHROUGH */
1.126     kristaps  942:        case (LIST_item):
1.1       kristaps  943:                /* FALLTHROUGH */
1.126     kristaps  944:        case (LIST_dash):
1.1       kristaps  945:                /* FALLTHROUGH */
1.126     kristaps  946:        case (LIST_hyphen):
1.1       kristaps  947:                /* FALLTHROUGH */
1.126     kristaps  948:        case (LIST_enum):
1.86      kristaps  949:                if (MDOC_HEAD == n->type)
1.1       kristaps  950:                        return(0);
                    951:                break;
1.126     kristaps  952:        case (LIST_column):
1.134     kristaps  953:                if (MDOC_HEAD == n->type)
1.1       kristaps  954:                        return(0);
                    955:                break;
                    956:        default:
                    957:                break;
                    958:        }
                    959:
                    960:        return(1);
                    961: }
                    962:
                    963:
                    964: /* ARGSUSED */
                    965: static void
                    966: termp_it_post(DECL_ARGS)
                    967: {
1.126     kristaps  968:        enum mdoc_list     type;
1.1       kristaps  969:
1.109     kristaps  970:        if (MDOC_BLOCK == n->type)
1.1       kristaps  971:                return;
                    972:
1.202     kristaps  973:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  974:
                    975:        switch (type) {
1.126     kristaps  976:        case (LIST_item):
1.1       kristaps  977:                /* FALLTHROUGH */
1.126     kristaps  978:        case (LIST_diag):
1.53      kristaps  979:                /* FALLTHROUGH */
1.126     kristaps  980:        case (LIST_inset):
1.86      kristaps  981:                if (MDOC_BODY == n->type)
1.130     schwarze  982:                        term_newln(p);
1.1       kristaps  983:                break;
1.126     kristaps  984:        case (LIST_column):
1.134     kristaps  985:                if (MDOC_BODY == n->type)
1.1       kristaps  986:                        term_flushln(p);
                    987:                break;
                    988:        default:
1.130     schwarze  989:                term_newln(p);
1.1       kristaps  990:                break;
                    991:        }
                    992:
1.109     kristaps  993:        /*
                    994:         * Now that our output is flushed, we can reset our tags.  Since
                    995:         * only `It' sets these flags, we're free to assume that nobody
                    996:         * has munged them in the meanwhile.
                    997:         */
                    998:
                    999:        p->flags &= ~TERMP_DANGLE;
                   1000:        p->flags &= ~TERMP_NOBREAK;
                   1001:        p->flags &= ~TERMP_TWOSPACE;
                   1002:        p->flags &= ~TERMP_NOLPAD;
                   1003:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1004: }
                   1005:
                   1006:
                   1007: /* ARGSUSED */
                   1008: static int
                   1009: termp_nm_pre(DECL_ARGS)
                   1010: {
                   1011:
1.164     schwarze 1012:        if (MDOC_BLOCK == n->type)
                   1013:                return(1);
                   1014:
                   1015:        if (MDOC_BODY == n->type) {
                   1016:                if (NULL == n->child)
                   1017:                        return(0);
                   1018:                p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                   1019:                p->offset += term_len(p, 1) +
                   1020:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1021:                     MDOC_TEXT == n->prev->child->type ?
                   1022:                        term_strlen(p, n->prev->child->string) :
                   1023:                     term_len(p, 5));
                   1024:                return(1);
                   1025:        }
                   1026:
1.125     kristaps 1027:        if (NULL == n->child && NULL == m->name)
1.164     schwarze 1028:                return(0);
1.125     kristaps 1029:
1.177     schwarze 1030:        if (MDOC_HEAD == n->type)
                   1031:                synopsis_pre(p, n->parent);
1.102     kristaps 1032:
1.164     schwarze 1033:        if (MDOC_HEAD == n->type && n->next->child) {
1.185     schwarze 1034:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                   1035:                p->rmargin = p->offset + term_len(p, 1);
                   1036:                if (NULL == n->child) {
                   1037:                        p->rmargin += term_strlen(p, m->name);
                   1038:                } else if (MDOC_TEXT == n->child->type) {
                   1039:                        p->rmargin += term_strlen(p, n->child->string);
                   1040:                        if (n->child->next)
                   1041:                                p->flags |= TERMP_HANG;
                   1042:                } else {
                   1043:                        p->rmargin += term_len(p, 5);
                   1044:                        p->flags |= TERMP_HANG;
                   1045:                }
1.164     schwarze 1046:        }
                   1047:
1.102     kristaps 1048:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1049:        if (NULL == n->child)
                   1050:                term_word(p, m->name);
1.1       kristaps 1051:        return(1);
                   1052: }
                   1053:
                   1054:
1.164     schwarze 1055: /* ARGSUSED */
                   1056: static void
                   1057: termp_nm_post(DECL_ARGS)
                   1058: {
                   1059:
                   1060:        if (MDOC_HEAD == n->type && n->next->child) {
                   1061:                term_flushln(p);
                   1062:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1063:        } else if (MDOC_BODY == n->type && n->child) {
                   1064:                term_flushln(p);
                   1065:                p->flags &= ~TERMP_NOLPAD;
                   1066:        }
                   1067: }
                   1068:
                   1069:
1.1       kristaps 1070: /* ARGSUSED */
                   1071: static int
                   1072: termp_fl_pre(DECL_ARGS)
                   1073: {
                   1074:
1.102     kristaps 1075:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1076:        term_word(p, "\\-");
1.103     kristaps 1077:
                   1078:        if (n->child)
1.114     kristaps 1079:                p->flags |= TERMP_NOSPACE;
                   1080:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1081:                p->flags |= TERMP_NOSPACE;
                   1082:
1.1       kristaps 1083:        return(1);
                   1084: }
                   1085:
                   1086:
                   1087: /* ARGSUSED */
                   1088: static int
1.184     kristaps 1089: termp__a_pre(DECL_ARGS)
                   1090: {
                   1091:
                   1092:        if (n->prev && MDOC__A == n->prev->tok)
                   1093:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1094:                        term_word(p, "and");
                   1095:
                   1096:        return(1);
                   1097: }
                   1098:
                   1099:
                   1100: /* ARGSUSED */
                   1101: static int
1.61      kristaps 1102: termp_an_pre(DECL_ARGS)
                   1103: {
                   1104:
1.86      kristaps 1105:        if (NULL == n->child)
1.61      kristaps 1106:                return(1);
                   1107:
                   1108:        /*
1.85      kristaps 1109:         * If not in the AUTHORS section, `An -split' will cause
                   1110:         * newlines to occur before the author name.  If in the AUTHORS
                   1111:         * section, by default, the first `An' invocation is nosplit,
                   1112:         * then all subsequent ones, regardless of whether interspersed
                   1113:         * with other macros/text, are split.  -split, in this case,
                   1114:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1115:         */
                   1116:
1.86      kristaps 1117:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1118:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1119:                        if (TERMP_SPLIT & p->flags)
                   1120:                                term_newln(p);
                   1121:                        return(1);
                   1122:                }
                   1123:                if (TERMP_NOSPLIT & p->flags)
                   1124:                        return(1);
                   1125:                term_newln(p);
                   1126:                return(1);
                   1127:        }
                   1128:
                   1129:        if (TERMP_SPLIT & p->flags)
                   1130:                term_newln(p);
                   1131:
                   1132:        return(1);
                   1133: }
                   1134:
                   1135:
                   1136: /* ARGSUSED */
                   1137: static void
                   1138: termp_an_post(DECL_ARGS)
                   1139: {
                   1140:
1.86      kristaps 1141:        if (n->child) {
                   1142:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1143:                        p->flags |= TERMP_ANPREC;
                   1144:                return;
                   1145:        }
                   1146:
1.202     kristaps 1147:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1148:                p->flags &= ~TERMP_NOSPLIT;
                   1149:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1150:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1151:                p->flags &= ~TERMP_SPLIT;
                   1152:                p->flags |= TERMP_NOSPLIT;
                   1153:        }
                   1154:
                   1155: }
                   1156:
                   1157:
                   1158: /* ARGSUSED */
                   1159: static int
1.1       kristaps 1160: termp_ns_pre(DECL_ARGS)
                   1161: {
                   1162:
1.215     kristaps 1163:        if ( ! (MDOC_LINE & n->flags))
                   1164:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1165:        return(1);
                   1166: }
                   1167:
                   1168:
                   1169: /* ARGSUSED */
                   1170: static int
                   1171: termp_rs_pre(DECL_ARGS)
                   1172: {
                   1173:
1.86      kristaps 1174:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1175:                return(1);
1.86      kristaps 1176:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1177:                term_vspace(p);
                   1178:        return(1);
                   1179: }
                   1180:
                   1181:
                   1182: /* ARGSUSED */
                   1183: static int
                   1184: termp_rv_pre(DECL_ARGS)
                   1185: {
1.223     kristaps 1186:        int              nchild;
1.1       kristaps 1187:
                   1188:        term_newln(p);
                   1189:        term_word(p, "The");
                   1190:
1.223     kristaps 1191:        nchild = n->nchild;
                   1192:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1193:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1194:                term_word(p, n->string);
1.102     kristaps 1195:                term_fontpop(p);
1.224     kristaps 1196:
1.68      kristaps 1197:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1198:                term_word(p, "()");
                   1199:
                   1200:                if (nchild > 2 && n->next) {
                   1201:                        p->flags |= TERMP_NOSPACE;
                   1202:                        term_word(p, ",");
                   1203:                }
                   1204:
                   1205:                if (n->next && NULL == n->next->next)
                   1206:                        term_word(p, "and");
1.68      kristaps 1207:        }
                   1208:
1.223     kristaps 1209:        if (nchild > 1)
1.68      kristaps 1210:                term_word(p, "functions return");
                   1211:        else
                   1212:                term_word(p, "function returns");
1.1       kristaps 1213:
1.68      kristaps 1214:                term_word(p, "the value 0 if successful; otherwise the value "
                   1215:                        "-1 is returned and the global variable");
1.1       kristaps 1216:
1.102     kristaps 1217:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1218:        term_word(p, "errno");
1.102     kristaps 1219:        term_fontpop(p);
1.1       kristaps 1220:
                   1221:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1222:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1223:
1.68      kristaps 1224:        return(0);
1.1       kristaps 1225: }
                   1226:
                   1227:
                   1228: /* ARGSUSED */
                   1229: static int
                   1230: termp_ex_pre(DECL_ARGS)
                   1231: {
1.224     kristaps 1232:        int              nchild;
1.1       kristaps 1233:
1.224     kristaps 1234:        term_newln(p);
1.68      kristaps 1235:        term_word(p, "The");
1.1       kristaps 1236:
1.224     kristaps 1237:        nchild = n->nchild;
                   1238:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1239:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1240:                term_word(p, n->string);
1.102     kristaps 1241:                term_fontpop(p);
1.224     kristaps 1242:
                   1243:                if (nchild > 2 && n->next) {
                   1244:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1245:                        term_word(p, ",");
1.224     kristaps 1246:                }
                   1247:
                   1248:                if (n->next && NULL == n->next->next)
                   1249:                        term_word(p, "and");
1.68      kristaps 1250:        }
                   1251:
1.224     kristaps 1252:        if (nchild > 1)
1.68      kristaps 1253:                term_word(p, "utilities exit");
                   1254:        else
                   1255:                term_word(p, "utility exits");
                   1256:
                   1257:                term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1258:
1.131     kristaps 1259:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1260:        return(0);
1.1       kristaps 1261: }
                   1262:
                   1263:
                   1264: /* ARGSUSED */
                   1265: static int
                   1266: termp_nd_pre(DECL_ARGS)
                   1267: {
1.25      kristaps 1268:
1.86      kristaps 1269:        if (MDOC_BODY != n->type)
1.25      kristaps 1270:                return(1);
1.30      kristaps 1271:
1.27      kristaps 1272: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1273:        term_word(p, "\\(en");
1.23      kristaps 1274: #else
                   1275:        term_word(p, "\\(em");
                   1276: #endif
1.1       kristaps 1277:        return(1);
1.115     kristaps 1278: }
                   1279:
                   1280:
                   1281: /* ARGSUSED */
                   1282: static int
                   1283: termp_bl_pre(DECL_ARGS)
                   1284: {
                   1285:
                   1286:        return(MDOC_HEAD != n->type);
1.1       kristaps 1287: }
                   1288:
                   1289:
                   1290: /* ARGSUSED */
                   1291: static void
                   1292: termp_bl_post(DECL_ARGS)
                   1293: {
                   1294:
1.86      kristaps 1295:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1296:                term_newln(p);
                   1297: }
                   1298:
                   1299: /* ARGSUSED */
                   1300: static int
                   1301: termp_xr_pre(DECL_ARGS)
                   1302: {
                   1303:
1.225     kristaps 1304:        if (NULL == (n = n->child))
1.113     kristaps 1305:                return(0);
                   1306:
1.225     kristaps 1307:        assert(MDOC_TEXT == n->type);
                   1308:        term_word(p, n->string);
1.11      kristaps 1309:
1.225     kristaps 1310:        if (NULL == (n = n->next))
1.1       kristaps 1311:                return(0);
1.225     kristaps 1312:
1.1       kristaps 1313:        p->flags |= TERMP_NOSPACE;
                   1314:        term_word(p, "(");
1.222     kristaps 1315:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1316:
                   1317:        assert(MDOC_TEXT == n->type);
                   1318:        term_word(p, n->string);
                   1319:
1.222     kristaps 1320:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1321:        term_word(p, ")");
1.86      kristaps 1322:
1.1       kristaps 1323:        return(0);
                   1324: }
                   1325:
1.143     kristaps 1326: /*
                   1327:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1328:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1329:  * macro combos).
                   1330:  */
                   1331: static void
                   1332: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1333: {
                   1334:        /*
                   1335:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1336:         * exist, do nothing.
                   1337:         */
1.160     kristaps 1338:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1339:                return;
                   1340:
                   1341:        /*
                   1342:         * If we're the second in a pair of like elements, emit our
                   1343:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1344:         * case we soldier on.
                   1345:         */
                   1346:        if (n->prev->tok == n->tok &&
                   1347:                        MDOC_Ft != n->tok &&
                   1348:                        MDOC_Fo != n->tok &&
                   1349:                        MDOC_Fn != n->tok) {
                   1350:                term_newln(p);
                   1351:                return;
                   1352:        }
                   1353:
                   1354:        /*
                   1355:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1356:         * another (or Fn/Fo, which we've let slip through) then assert
                   1357:         * vertical space, else only newline and move on.
                   1358:         */
                   1359:        switch (n->prev->tok) {
                   1360:        case (MDOC_Fd):
                   1361:                /* FALLTHROUGH */
                   1362:        case (MDOC_Fn):
                   1363:                /* FALLTHROUGH */
                   1364:        case (MDOC_Fo):
                   1365:                /* FALLTHROUGH */
                   1366:        case (MDOC_In):
                   1367:                /* FALLTHROUGH */
                   1368:        case (MDOC_Vt):
                   1369:                term_vspace(p);
                   1370:                break;
                   1371:        case (MDOC_Ft):
                   1372:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1373:                        term_vspace(p);
                   1374:                        break;
                   1375:                }
                   1376:                /* FALLTHROUGH */
                   1377:        default:
                   1378:                term_newln(p);
                   1379:                break;
                   1380:        }
                   1381: }
                   1382:
                   1383:
1.110     kristaps 1384: static int
                   1385: termp_vt_pre(DECL_ARGS)
                   1386: {
                   1387:
1.143     kristaps 1388:        if (MDOC_ELEM == n->type) {
                   1389:                synopsis_pre(p, n);
1.110     kristaps 1390:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1391:        } else if (MDOC_BLOCK == n->type) {
                   1392:                synopsis_pre(p, n);
                   1393:                return(1);
                   1394:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1395:                return(0);
                   1396:
                   1397:        return(termp_under_pre(p, pair, m, n));
                   1398: }
                   1399:
                   1400:
1.1       kristaps 1401: /* ARGSUSED */
                   1402: static int
1.69      kristaps 1403: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1404: {
                   1405:
1.102     kristaps 1406:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1407:        return(1);
                   1408: }
                   1409:
                   1410:
                   1411: /* ARGSUSED */
1.143     kristaps 1412: static int
                   1413: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1414: {
                   1415:
1.143     kristaps 1416:        synopsis_pre(p, n);
                   1417:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1418: }
                   1419:
                   1420:
                   1421: /* ARGSUSED */
                   1422: static int
                   1423: termp_sh_pre(DECL_ARGS)
                   1424: {
1.85      kristaps 1425:
                   1426:        /* No vspace between consecutive `Sh' calls. */
                   1427:
1.86      kristaps 1428:        switch (n->type) {
1.65      kristaps 1429:        case (MDOC_BLOCK):
1.86      kristaps 1430:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1431:                        if (NULL == n->prev->body->child)
1.65      kristaps 1432:                                break;
                   1433:                term_vspace(p);
                   1434:                break;
1.1       kristaps 1435:        case (MDOC_HEAD):
1.102     kristaps 1436:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1437:                break;
                   1438:        case (MDOC_BODY):
1.157     kristaps 1439:                p->offset = term_len(p, INDENT);
1.1       kristaps 1440:                break;
                   1441:        default:
                   1442:                break;
                   1443:        }
                   1444:        return(1);
                   1445: }
                   1446:
                   1447:
                   1448: /* ARGSUSED */
                   1449: static void
                   1450: termp_sh_post(DECL_ARGS)
                   1451: {
                   1452:
1.86      kristaps 1453:        switch (n->type) {
1.1       kristaps 1454:        case (MDOC_HEAD):
                   1455:                term_newln(p);
                   1456:                break;
                   1457:        case (MDOC_BODY):
                   1458:                term_newln(p);
                   1459:                p->offset = 0;
                   1460:                break;
                   1461:        default:
                   1462:                break;
                   1463:        }
                   1464: }
                   1465:
                   1466:
                   1467: /* ARGSUSED */
                   1468: static int
                   1469: termp_bt_pre(DECL_ARGS)
                   1470: {
                   1471:
                   1472:        term_word(p, "is currently in beta test.");
1.131     kristaps 1473:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1474:        return(0);
1.1       kristaps 1475: }
                   1476:
                   1477:
                   1478: /* ARGSUSED */
                   1479: static void
                   1480: termp_lb_post(DECL_ARGS)
                   1481: {
                   1482:
1.122     kristaps 1483:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1484:                term_newln(p);
1.1       kristaps 1485: }
                   1486:
                   1487:
                   1488: /* ARGSUSED */
                   1489: static int
                   1490: termp_ud_pre(DECL_ARGS)
                   1491: {
                   1492:
                   1493:        term_word(p, "currently under development.");
1.131     kristaps 1494:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1495:        return(0);
1.1       kristaps 1496: }
                   1497:
                   1498:
                   1499: /* ARGSUSED */
                   1500: static int
                   1501: termp_d1_pre(DECL_ARGS)
                   1502: {
                   1503:
1.86      kristaps 1504:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1505:                return(1);
                   1506:        term_newln(p);
1.157     kristaps 1507:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1508:        return(1);
                   1509: }
                   1510:
                   1511:
                   1512: /* ARGSUSED */
                   1513: static void
                   1514: termp_d1_post(DECL_ARGS)
                   1515: {
                   1516:
1.86      kristaps 1517:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1518:                return;
                   1519:        term_newln(p);
                   1520: }
                   1521:
                   1522:
                   1523: /* ARGSUSED */
                   1524: static int
                   1525: termp_ft_pre(DECL_ARGS)
                   1526: {
                   1527:
1.141     kristaps 1528:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1529:        synopsis_pre(p, n);
1.102     kristaps 1530:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1531:        return(1);
                   1532: }
                   1533:
                   1534:
                   1535: /* ARGSUSED */
                   1536: static int
                   1537: termp_fn_pre(DECL_ARGS)
                   1538: {
1.226     kristaps 1539:        int              pretty;
                   1540:
                   1541:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1542:
1.143     kristaps 1543:        synopsis_pre(p, n);
1.139     kristaps 1544:
1.226     kristaps 1545:        if (NULL == (n = n->child))
                   1546:                return(0);
                   1547:
                   1548:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1549:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1550:        term_word(p, n->string);
1.102     kristaps 1551:        term_fontpop(p);
1.1       kristaps 1552:
                   1553:        p->flags |= TERMP_NOSPACE;
                   1554:        term_word(p, "(");
1.222     kristaps 1555:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1556:
1.226     kristaps 1557:        for (n = n->next; n; n = n->next) {
                   1558:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1559:                term_fontpush(p, TERMFONT_UNDER);
1.226     kristaps 1560:                term_word(p, n->string);
1.102     kristaps 1561:                term_fontpop(p);
                   1562:
1.226     kristaps 1563:                if (n->next) {
1.222     kristaps 1564:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1565:                        term_word(p, ",");
1.222     kristaps 1566:                }
1.1       kristaps 1567:        }
                   1568:
1.222     kristaps 1569:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1570:        term_word(p, ")");
                   1571:
1.226     kristaps 1572:        if (pretty) {
1.222     kristaps 1573:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1574:                term_word(p, ";");
1.222     kristaps 1575:        }
1.1       kristaps 1576:
                   1577:        return(0);
                   1578: }
                   1579:
                   1580:
                   1581: /* ARGSUSED */
                   1582: static int
                   1583: termp_fa_pre(DECL_ARGS)
                   1584: {
1.86      kristaps 1585:        const struct mdoc_node  *nn;
1.1       kristaps 1586:
1.86      kristaps 1587:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1588:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1589:                return(1);
                   1590:        }
                   1591:
1.86      kristaps 1592:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1593:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1594:                term_word(p, nn->string);
1.102     kristaps 1595:                term_fontpop(p);
                   1596:
1.222     kristaps 1597:                if (nn->next) {
                   1598:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1599:                        term_word(p, ",");
1.222     kristaps 1600:                }
1.1       kristaps 1601:        }
                   1602:
1.222     kristaps 1603:        if (n->child && n->next && n->next->tok == MDOC_Fa) {
                   1604:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1605:                term_word(p, ",");
1.222     kristaps 1606:        }
1.1       kristaps 1607:
                   1608:        return(0);
                   1609: }
                   1610:
                   1611:
                   1612: /* ARGSUSED */
                   1613: static int
                   1614: termp_bd_pre(DECL_ARGS)
                   1615: {
1.179     kristaps 1616:        size_t                   tabwidth, rm, rmax;
1.85      kristaps 1617:        const struct mdoc_node  *nn;
1.1       kristaps 1618:
1.86      kristaps 1619:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1620:                print_bvspace(p, n, n);
1.54      kristaps 1621:                return(1);
1.116     kristaps 1622:        } else if (MDOC_HEAD == n->type)
                   1623:                return(0);
1.1       kristaps 1624:
1.202     kristaps 1625:        if (n->norm->Bd.offs)
                   1626:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1627:
                   1628:        /*
                   1629:         * If -ragged or -filled are specified, the block does nothing
                   1630:         * but change the indentation.  If -unfilled or -literal are
                   1631:         * specified, text is printed exactly as entered in the display:
                   1632:         * for macro lines, a newline is appended to the line.  Blank
                   1633:         * lines are allowed.
                   1634:         */
1.60      kristaps 1635:
1.202     kristaps 1636:        if (DISP_literal != n->norm->Bd.type &&
                   1637:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1638:                return(1);
                   1639:
1.129     schwarze 1640:        tabwidth = p->tabwidth;
1.208     kristaps 1641:        if (DISP_literal == n->norm->Bd.type)
                   1642:                p->tabwidth = term_len(p, 8);
                   1643:
1.119     kristaps 1644:        rm = p->rmargin;
                   1645:        rmax = p->maxrmargin;
1.120     kristaps 1646:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1647:
1.86      kristaps 1648:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1649:                print_mdoc_node(p, pair, m, nn);
1.190     kristaps 1650:                /*
                   1651:                 * If the printed node flushes its own line, then we
                   1652:                 * needn't do it here as well.  This is hacky, but the
                   1653:                 * notion of selective eoln whitespace is pretty dumb
                   1654:                 * anyway, so don't sweat it.
                   1655:                 */
                   1656:                switch (nn->tok) {
1.193     kristaps 1657:                case (MDOC_Sm):
                   1658:                        /* FALLTHROUGH */
1.190     kristaps 1659:                case (MDOC_br):
                   1660:                        /* FALLTHROUGH */
                   1661:                case (MDOC_sp):
                   1662:                        /* FALLTHROUGH */
                   1663:                case (MDOC_Bl):
1.196     kristaps 1664:                        /* FALLTHROUGH */
                   1665:                case (MDOC_D1):
                   1666:                        /* FALLTHROUGH */
                   1667:                case (MDOC_Dl):
1.190     kristaps 1668:                        /* FALLTHROUGH */
                   1669:                case (MDOC_Lp):
                   1670:                        /* FALLTHROUGH */
                   1671:                case (MDOC_Pp):
                   1672:                        continue;
                   1673:                default:
                   1674:                        break;
                   1675:                }
1.180     schwarze 1676:                if (nn->next && nn->next->line == nn->line)
                   1677:                        continue;
                   1678:                term_flushln(p);
                   1679:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1680:        }
1.147     kristaps 1681:
1.129     schwarze 1682:        p->tabwidth = tabwidth;
1.119     kristaps 1683:        p->rmargin = rm;
                   1684:        p->maxrmargin = rmax;
1.1       kristaps 1685:        return(0);
                   1686: }
                   1687:
                   1688:
                   1689: /* ARGSUSED */
                   1690: static void
                   1691: termp_bd_post(DECL_ARGS)
                   1692: {
1.119     kristaps 1693:        size_t           rm, rmax;
1.1       kristaps 1694:
1.86      kristaps 1695:        if (MDOC_BODY != n->type)
1.1       kristaps 1696:                return;
1.118     kristaps 1697:
1.119     kristaps 1698:        rm = p->rmargin;
                   1699:        rmax = p->maxrmargin;
1.118     kristaps 1700:
1.202     kristaps 1701:        if (DISP_literal == n->norm->Bd.type ||
                   1702:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1703:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1704:
1.60      kristaps 1705:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1706:        term_newln(p);
1.118     kristaps 1707:
1.119     kristaps 1708:        p->rmargin = rm;
                   1709:        p->maxrmargin = rmax;
1.1       kristaps 1710: }
                   1711:
                   1712:
                   1713: /* ARGSUSED */
1.211     kristaps 1714: static int
                   1715: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1716: {
                   1717:
1.211     kristaps 1718:        if (NULL != (n = n->child)) {
                   1719:                term_word(p, n->string);
                   1720:                p->flags |= TERMP_NOSPACE;
                   1721:                term_word(p, "BSD");
                   1722:        } else {
                   1723:                term_word(p, "BSD");
                   1724:                return(0);
                   1725:        }
                   1726:
                   1727:        if (NULL != (n = n->next)) {
                   1728:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1729:                term_word(p, "-");
1.1       kristaps 1730:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1731:                term_word(p, n->string);
1.211     kristaps 1732:        }
                   1733:
                   1734:        return(0);
1.1       kristaps 1735: }
                   1736:
                   1737:
                   1738: /* ARGSUSED */
                   1739: static int
1.26      kristaps 1740: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1741: {
1.26      kristaps 1742:        const char      *pp;
1.218     schwarze 1743:        int              flags;
1.1       kristaps 1744:
1.26      kristaps 1745:        pp = NULL;
1.86      kristaps 1746:        switch (n->tok) {
1.26      kristaps 1747:        case (MDOC_Bsx):
1.194     schwarze 1748:                pp = "BSD/OS";
1.26      kristaps 1749:                break;
                   1750:        case (MDOC_Dx):
1.100     kristaps 1751:                pp = "DragonFly";
1.26      kristaps 1752:                break;
                   1753:        case (MDOC_Fx):
                   1754:                pp = "FreeBSD";
                   1755:                break;
                   1756:        case (MDOC_Nx):
                   1757:                pp = "NetBSD";
                   1758:                break;
                   1759:        case (MDOC_Ox):
                   1760:                pp = "OpenBSD";
                   1761:                break;
                   1762:        case (MDOC_Ux):
                   1763:                pp = "UNIX";
                   1764:                break;
                   1765:        default:
                   1766:                break;
                   1767:        }
1.1       kristaps 1768:
1.26      kristaps 1769:        term_word(p, pp);
1.214     kristaps 1770:        if (n->child) {
1.218     schwarze 1771:                flags = p->flags;
1.214     kristaps 1772:                p->flags |= TERMP_KEEP;
                   1773:                term_word(p, n->child->string);
1.218     schwarze 1774:                p->flags = flags;
1.214     kristaps 1775:        }
                   1776:        return(0);
1.1       kristaps 1777: }
                   1778:
                   1779:
                   1780: /* ARGSUSED */
                   1781: static int
1.192     schwarze 1782: termp_igndelim_pre(DECL_ARGS)
1.1       kristaps 1783: {
                   1784:
                   1785:        p->flags |= TERMP_IGNDELIM;
                   1786:        return(1);
                   1787: }
                   1788:
                   1789:
                   1790: /* ARGSUSED */
                   1791: static void
                   1792: termp_pf_post(DECL_ARGS)
                   1793: {
                   1794:
                   1795:        p->flags |= TERMP_NOSPACE;
                   1796: }
                   1797:
                   1798:
                   1799: /* ARGSUSED */
                   1800: static int
                   1801: termp_ss_pre(DECL_ARGS)
                   1802: {
                   1803:
1.86      kristaps 1804:        switch (n->type) {
1.1       kristaps 1805:        case (MDOC_BLOCK):
                   1806:                term_newln(p);
1.86      kristaps 1807:                if (n->prev)
1.1       kristaps 1808:                        term_vspace(p);
                   1809:                break;
                   1810:        case (MDOC_HEAD):
1.102     kristaps 1811:                term_fontpush(p, TERMFONT_BOLD);
1.157     kristaps 1812:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1813:                break;
                   1814:        default:
                   1815:                break;
                   1816:        }
                   1817:
                   1818:        return(1);
                   1819: }
                   1820:
                   1821:
                   1822: /* ARGSUSED */
                   1823: static void
                   1824: termp_ss_post(DECL_ARGS)
                   1825: {
                   1826:
1.86      kristaps 1827:        if (MDOC_HEAD == n->type)
1.1       kristaps 1828:                term_newln(p);
                   1829: }
                   1830:
                   1831:
                   1832: /* ARGSUSED */
                   1833: static int
                   1834: termp_cd_pre(DECL_ARGS)
                   1835: {
                   1836:
1.143     kristaps 1837:        synopsis_pre(p, n);
1.102     kristaps 1838:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1839:        return(1);
                   1840: }
                   1841:
                   1842:
                   1843: /* ARGSUSED */
                   1844: static int
                   1845: termp_in_pre(DECL_ARGS)
                   1846: {
1.142     schwarze 1847:
1.143     kristaps 1848:        synopsis_pre(p, n);
1.1       kristaps 1849:
1.160     kristaps 1850:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1851:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1852:                term_word(p, "#include");
1.138     kristaps 1853:                term_word(p, "<");
                   1854:        } else {
                   1855:                term_word(p, "<");
                   1856:                term_fontpush(p, TERMFONT_UNDER);
                   1857:        }
1.22      kristaps 1858:
1.1       kristaps 1859:        p->flags |= TERMP_NOSPACE;
                   1860:        return(1);
                   1861: }
                   1862:
                   1863:
                   1864: /* ARGSUSED */
                   1865: static void
                   1866: termp_in_post(DECL_ARGS)
                   1867: {
                   1868:
1.160     kristaps 1869:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1870:                term_fontpush(p, TERMFONT_BOLD);
                   1871:
1.79      kristaps 1872:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1873:        term_word(p, ">");
                   1874:
1.160     kristaps 1875:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1876:                term_fontpop(p);
1.1       kristaps 1877: }
                   1878:
                   1879:
                   1880: /* ARGSUSED */
                   1881: static int
1.45      kristaps 1882: termp_sp_pre(DECL_ARGS)
                   1883: {
1.91      kristaps 1884:        size_t           i, len;
1.45      kristaps 1885:
1.86      kristaps 1886:        switch (n->tok) {
1.76      kristaps 1887:        case (MDOC_sp):
1.157     kristaps 1888:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1889:                break;
                   1890:        case (MDOC_br):
                   1891:                len = 0;
                   1892:                break;
                   1893:        default:
                   1894:                len = 1;
                   1895:                break;
1.45      kristaps 1896:        }
                   1897:
                   1898:        if (0 == len)
                   1899:                term_newln(p);
                   1900:        for (i = 0; i < len; i++)
                   1901:                term_vspace(p);
                   1902:
                   1903:        return(0);
                   1904: }
                   1905:
                   1906:
1.189     kristaps 1907: /* ARGSUSED */
1.45      kristaps 1908: static int
1.188     kristaps 1909: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1910: {
                   1911:
1.203     kristaps 1912:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1913:                return(1);
                   1914:
1.188     kristaps 1915:        switch (n->tok) {
                   1916:        case (MDOC_Ao):
                   1917:                /* FALLTHROUGH */
                   1918:        case (MDOC_Aq):
                   1919:                term_word(p, "<");
                   1920:                break;
                   1921:        case (MDOC_Bro):
                   1922:                /* FALLTHROUGH */
                   1923:        case (MDOC_Brq):
                   1924:                term_word(p, "{");
                   1925:                break;
                   1926:        case (MDOC_Oo):
                   1927:                /* FALLTHROUGH */
                   1928:        case (MDOC_Op):
                   1929:                /* FALLTHROUGH */
                   1930:        case (MDOC_Bo):
                   1931:                /* FALLTHROUGH */
                   1932:        case (MDOC_Bq):
                   1933:                term_word(p, "[");
                   1934:                break;
                   1935:        case (MDOC_Do):
                   1936:                /* FALLTHROUGH */
                   1937:        case (MDOC_Dq):
                   1938:                term_word(p, "``");
                   1939:                break;
                   1940:        case (MDOC_Po):
                   1941:                /* FALLTHROUGH */
                   1942:        case (MDOC_Pq):
                   1943:                term_word(p, "(");
                   1944:                break;
1.205     kristaps 1945:        case (MDOC__T):
                   1946:                /* FALLTHROUGH */
1.188     kristaps 1947:        case (MDOC_Qo):
                   1948:                /* FALLTHROUGH */
                   1949:        case (MDOC_Qq):
                   1950:                term_word(p, "\"");
                   1951:                break;
                   1952:        case (MDOC_Ql):
                   1953:                /* FALLTHROUGH */
                   1954:        case (MDOC_So):
                   1955:                /* FALLTHROUGH */
                   1956:        case (MDOC_Sq):
                   1957:                term_word(p, "`");
                   1958:                break;
                   1959:        default:
                   1960:                abort();
                   1961:                /* NOTREACHED */
                   1962:        }
1.1       kristaps 1963:
                   1964:        p->flags |= TERMP_NOSPACE;
                   1965:        return(1);
                   1966: }
                   1967:
                   1968:
1.189     kristaps 1969: /* ARGSUSED */
1.1       kristaps 1970: static void
1.188     kristaps 1971: termp_quote_post(DECL_ARGS)
1.1       kristaps 1972: {
                   1973:
1.203     kristaps 1974:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1975:                return;
                   1976:
                   1977:        p->flags |= TERMP_NOSPACE;
                   1978:
1.188     kristaps 1979:        switch (n->tok) {
                   1980:        case (MDOC_Ao):
                   1981:                /* FALLTHROUGH */
                   1982:        case (MDOC_Aq):
                   1983:                term_word(p, ">");
                   1984:                break;
                   1985:        case (MDOC_Bro):
                   1986:                /* FALLTHROUGH */
                   1987:        case (MDOC_Brq):
                   1988:                term_word(p, "}");
                   1989:                break;
                   1990:        case (MDOC_Oo):
                   1991:                /* FALLTHROUGH */
                   1992:        case (MDOC_Op):
                   1993:                /* FALLTHROUGH */
                   1994:        case (MDOC_Bo):
                   1995:                /* FALLTHROUGH */
                   1996:        case (MDOC_Bq):
                   1997:                term_word(p, "]");
                   1998:                break;
                   1999:        case (MDOC_Do):
                   2000:                /* FALLTHROUGH */
                   2001:        case (MDOC_Dq):
                   2002:                term_word(p, "''");
                   2003:                break;
                   2004:        case (MDOC_Po):
                   2005:                /* FALLTHROUGH */
                   2006:        case (MDOC_Pq):
                   2007:                term_word(p, ")");
                   2008:                break;
1.205     kristaps 2009:        case (MDOC__T):
                   2010:                /* FALLTHROUGH */
1.188     kristaps 2011:        case (MDOC_Qo):
                   2012:                /* FALLTHROUGH */
                   2013:        case (MDOC_Qq):
                   2014:                term_word(p, "\"");
                   2015:                break;
                   2016:        case (MDOC_Ql):
                   2017:                /* FALLTHROUGH */
                   2018:        case (MDOC_So):
                   2019:                /* FALLTHROUGH */
                   2020:        case (MDOC_Sq):
                   2021:                term_word(p, "'");
                   2022:                break;
                   2023:        default:
                   2024:                abort();
                   2025:                /* NOTREACHED */
                   2026:        }
1.1       kristaps 2027: }
                   2028:
                   2029:
                   2030: /* ARGSUSED */
                   2031: static int
                   2032: termp_fo_pre(DECL_ARGS)
                   2033: {
                   2034:
1.141     kristaps 2035:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2036:                synopsis_pre(p, n);
1.141     kristaps 2037:                return(1);
                   2038:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2039:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2040:                term_word(p, "(");
1.222     kristaps 2041:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2042:                return(1);
1.141     kristaps 2043:        }
                   2044:
1.169     kristaps 2045:        if (NULL == n->child)
                   2046:                return(0);
                   2047:
1.141     kristaps 2048:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2049:
1.141     kristaps 2050:        assert(n->child->string);
1.102     kristaps 2051:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2052:        term_word(p, n->child->string);
1.1       kristaps 2053:        return(0);
                   2054: }
                   2055:
                   2056:
                   2057: /* ARGSUSED */
                   2058: static void
                   2059: termp_fo_post(DECL_ARGS)
                   2060: {
                   2061:
1.143     kristaps 2062:        if (MDOC_BODY != n->type)
                   2063:                return;
                   2064:
1.222     kristaps 2065:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2066:        term_word(p, ")");
                   2067:
1.222     kristaps 2068:        if (MDOC_SYNPRETTY & n->flags) {
                   2069:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2070:                term_word(p, ";");
1.222     kristaps 2071:        }
1.1       kristaps 2072: }
                   2073:
                   2074:
                   2075: /* ARGSUSED */
                   2076: static int
                   2077: termp_bf_pre(DECL_ARGS)
                   2078: {
                   2079:
1.86      kristaps 2080:        if (MDOC_HEAD == n->type)
1.1       kristaps 2081:                return(0);
1.86      kristaps 2082:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2083:                return(1);
                   2084:
1.202     kristaps 2085:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2086:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2087:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2088:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2089:        else
1.102     kristaps 2090:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2091:
                   2092:        return(1);
                   2093: }
                   2094:
                   2095:
                   2096: /* ARGSUSED */
                   2097: static int
                   2098: termp_sm_pre(DECL_ARGS)
                   2099: {
                   2100:
1.86      kristaps 2101:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2102:        if (0 == strcmp("on", n->child->string)) {
                   2103:                if (p->col)
                   2104:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2105:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2106:        } else
1.1       kristaps 2107:                p->flags |= TERMP_NONOSPACE;
                   2108:
                   2109:        return(0);
                   2110: }
                   2111:
                   2112:
                   2113: /* ARGSUSED */
                   2114: static int
                   2115: termp_ap_pre(DECL_ARGS)
                   2116: {
                   2117:
                   2118:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2119:        term_word(p, "'");
1.1       kristaps 2120:        p->flags |= TERMP_NOSPACE;
                   2121:        return(1);
                   2122: }
                   2123:
                   2124:
                   2125: /* ARGSUSED */
                   2126: static void
                   2127: termp____post(DECL_ARGS)
                   2128: {
1.184     kristaps 2129:
                   2130:        /*
                   2131:         * Handle lists of authors.  In general, print each followed by
                   2132:         * a comma.  Don't print the comma if there are only two
                   2133:         * authors.
                   2134:         */
                   2135:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2136:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2137:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2138:                                return;
1.1       kristaps 2139:
1.95      kristaps 2140:        /* TODO: %U. */
                   2141:
1.187     kristaps 2142:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2143:                return;
                   2144:
1.222     kristaps 2145:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2146:        if (NULL == n->next) {
                   2147:                term_word(p, ".");
                   2148:                p->flags |= TERMP_SENTENCE;
                   2149:        } else
                   2150:                term_word(p, ",");
1.1       kristaps 2151: }
                   2152:
                   2153:
                   2154: /* ARGSUSED */
                   2155: static int
1.102     kristaps 2156: termp_li_pre(DECL_ARGS)
                   2157: {
                   2158:
                   2159:        term_fontpush(p, TERMFONT_NONE);
                   2160:        return(1);
                   2161: }
                   2162:
                   2163:
                   2164: /* ARGSUSED */
                   2165: static int
1.1       kristaps 2166: termp_lk_pre(DECL_ARGS)
                   2167: {
1.181     kristaps 2168:        const struct mdoc_node *nn, *sv;
1.1       kristaps 2169:
1.102     kristaps 2170:        term_fontpush(p, TERMFONT_UNDER);
1.181     kristaps 2171:
                   2172:        nn = sv = n->child;
1.96      kristaps 2173:
1.195     kristaps 2174:        if (NULL == nn || NULL == nn->next)
1.12      kristaps 2175:                return(1);
                   2176:
1.181     kristaps 2177:        for (nn = nn->next; nn; nn = nn->next)
                   2178:                term_word(p, nn->string);
                   2179:
1.102     kristaps 2180:        term_fontpop(p);
1.96      kristaps 2181:
1.222     kristaps 2182:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 2183:        term_word(p, ":");
                   2184:
1.102     kristaps 2185:        term_fontpush(p, TERMFONT_BOLD);
1.181     kristaps 2186:        term_word(p, sv->string);
1.102     kristaps 2187:        term_fontpop(p);
1.12      kristaps 2188:
1.1       kristaps 2189:        return(0);
                   2190: }
                   2191:
1.159     schwarze 2192:
                   2193: /* ARGSUSED */
                   2194: static int
                   2195: termp_bk_pre(DECL_ARGS)
                   2196: {
                   2197:
1.161     schwarze 2198:        switch (n->type) {
                   2199:        case (MDOC_BLOCK):
1.166     kristaps 2200:                break;
1.161     schwarze 2201:        case (MDOC_HEAD):
                   2202:                return(0);
                   2203:        case (MDOC_BODY):
1.200     schwarze 2204:                if (n->parent->args || 0 == n->prev->nchild)
                   2205:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2206:                break;
1.161     schwarze 2207:        default:
                   2208:                abort();
1.166     kristaps 2209:                /* NOTREACHED */
1.161     schwarze 2210:        }
1.166     kristaps 2211:
                   2212:        return(1);
1.159     schwarze 2213: }
                   2214:
                   2215:
                   2216: /* ARGSUSED */
                   2217: static void
                   2218: termp_bk_post(DECL_ARGS)
                   2219: {
                   2220:
1.161     schwarze 2221:        if (MDOC_BODY == n->type)
                   2222:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2223: }
                   2224:
                   2225: /* ARGSUSED */
                   2226: static void
                   2227: termp__t_post(DECL_ARGS)
                   2228: {
                   2229:
                   2230:        /*
                   2231:         * If we're in an `Rs' and there's a journal present, then quote
                   2232:         * us instead of underlining us (for disambiguation).
                   2233:         */
1.217     schwarze 2234:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2235:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2236:                termp_quote_post(p, pair, m, n);
                   2237:
                   2238:        termp____post(p, pair, m, n);
                   2239: }
                   2240:
                   2241: /* ARGSUSED */
                   2242: static int
                   2243: termp__t_pre(DECL_ARGS)
                   2244: {
                   2245:
                   2246:        /*
                   2247:         * If we're in an `Rs' and there's a journal present, then quote
                   2248:         * us instead of underlining us (for disambiguation).
                   2249:         */
                   2250:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2251:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2252:                return(termp_quote_pre(p, pair, m, n));
                   2253:
                   2254:        term_fontpush(p, TERMFONT_UNDER);
                   2255:        return(1);
1.159     schwarze 2256: }
1.1       kristaps 2257:
                   2258: /* ARGSUSED */
                   2259: static int
1.69      kristaps 2260: termp_under_pre(DECL_ARGS)
1.1       kristaps 2261: {
                   2262:
1.102     kristaps 2263:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2264:        return(1);
                   2265: }

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