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Annotation of mandoc/mdoc_term.c, Revision 1.232

1.232   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.231 2011/06/29 15:38:09 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)
1.230     kristaps  267:                p->symtab = mchars_alloc();
1.70      kristaps  268:
                    269:        n = mdoc_node(mdoc);
                    270:        m = mdoc_meta(mdoc);
1.146     schwarze  271:
                    272:        term_begin(p, print_mdoc_head, print_mdoc_foot, m);
1.70      kristaps  273:
                    274:        if (n->child)
1.102     kristaps  275:                print_mdoc_nodelist(p, NULL, m, n->child);
1.144     kristaps  276:
                    277:        term_end(p);
1.1       kristaps  278: }
                    279:
                    280:
1.3       kristaps  281: static void
1.102     kristaps  282: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  283: {
                    284:
1.102     kristaps  285:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  286:        if (n->next)
1.102     kristaps  287:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  288: }
                    289:
                    290:
1.70      kristaps  291: /* ARGSUSED */
1.3       kristaps  292: static void
1.102     kristaps  293: print_mdoc_node(DECL_ARGS)
1.1       kristaps  294: {
1.102     kristaps  295:        int              chld;
                    296:        const void      *font;
1.1       kristaps  297:        struct termpair  npair;
1.30      kristaps  298:        size_t           offset, rmargin;
1.1       kristaps  299:
1.70      kristaps  300:        chld = 1;
1.29      kristaps  301:        offset = p->offset;
1.30      kristaps  302:        rmargin = p->rmargin;
1.102     kristaps  303:        font = term_fontq(p);
1.29      kristaps  304:
1.97      kristaps  305:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  306:        npair.ppair = pair;
1.172     kristaps  307:
                    308:        /*
                    309:         * Keeps only work until the end of a line.  If a keep was
                    310:         * invoked in a prior line, revert it to PREKEEP.
1.197     schwarze  311:         *
                    312:         * Also let SYNPRETTY sections behave as if they were wrapped
                    313:         * in a `Bk' block.
1.172     kristaps  314:         */
                    315:
1.197     schwarze  316:        if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.172     kristaps  317:                if (n->prev && n->prev->line != n->line) {
                    318:                        p->flags &= ~TERMP_KEEP;
                    319:                        p->flags |= TERMP_PREKEEP;
                    320:                } else if (NULL == n->prev) {
                    321:                        if (n->parent && n->parent->line != n->line) {
                    322:                                p->flags &= ~TERMP_KEEP;
                    323:                                p->flags |= TERMP_PREKEEP;
                    324:                        }
                    325:                }
                    326:        }
1.197     schwarze  327:
                    328:        /*
                    329:         * Since SYNPRETTY sections aren't "turned off" with `Ek',
                    330:         * we have to intuit whether we should disable formatting.
                    331:         */
                    332:
                    333:        if ( ! (MDOC_SYNPRETTY & n->flags) &&
                    334:            ((n->prev   && MDOC_SYNPRETTY & n->prev->flags) ||
                    335:             (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
                    336:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.102     kristaps  337:
1.217     schwarze  338:        /*
                    339:         * After the keep flags have been set up, we may now
                    340:         * produce output.  Note that some pre-handlers do so.
                    341:         */
                    342:
                    343:        switch (n->type) {
                    344:        case (MDOC_TEXT):
                    345:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    346:                        term_newln(p);
1.222     kristaps  347:                if (MDOC_DELIMC & n->flags)
                    348:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  349:                term_word(p, n->string);
1.222     kristaps  350:                if (MDOC_DELIMO & n->flags)
                    351:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  352:                break;
                    353:        case (MDOC_EQN):
1.232   ! kristaps  354:                /*term_word(p, n->eqn->data);*/
1.217     schwarze  355:                break;
                    356:        case (MDOC_TBL):
                    357:                term_tbl(p, n->span);
                    358:                break;
                    359:        default:
                    360:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    361:                        chld = (*termacts[n->tok].pre)
                    362:                                (p, &npair, m, n);
                    363:                break;
                    364:        }
                    365:
1.86      kristaps  366:        if (chld && n->child)
1.102     kristaps  367:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  368:
1.102     kristaps  369:        term_fontpopq(p, font);
1.46      kristaps  370:
1.206     kristaps  371:        switch (n->type) {
                    372:        case (MDOC_TEXT):
                    373:                break;
                    374:        case (MDOC_TBL):
1.216     kristaps  375:                break;
                    376:        case (MDOC_EQN):
1.206     kristaps  377:                break;
                    378:        default:
                    379:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    380:                        break;
1.165     kristaps  381:                (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.162     schwarze  382:
                    383:                /*
                    384:                 * Explicit end tokens not only call the post
                    385:                 * handler, but also tell the respective block
                    386:                 * that it must not call the post handler again.
                    387:                 */
1.165     kristaps  388:                if (ENDBODY_NOT != n->end)
1.162     schwarze  389:                        n->pending->flags |= MDOC_ENDED;
                    390:
                    391:                /*
                    392:                 * End of line terminating an implicit block
                    393:                 * while an explicit block is still open.
                    394:                 * Continue the explicit block without spacing.
                    395:                 */
                    396:                if (ENDBODY_NOSPACE == n->end)
                    397:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  398:                break;
1.162     schwarze  399:        }
1.121     kristaps  400:
                    401:        if (MDOC_EOS & n->flags)
                    402:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  403:
                    404:        p->offset = offset;
1.30      kristaps  405:        p->rmargin = rmargin;
1.1       kristaps  406: }
                    407:
                    408:
1.3       kristaps  409: static void
1.145     kristaps  410: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  411: {
1.144     kristaps  412:        const struct mdoc_meta *m;
                    413:
                    414:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  415:
1.102     kristaps  416:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  417:
1.9       kristaps  418:        /*
                    419:         * Output the footer in new-groff style, that is, three columns
                    420:         * with the middle being the manual date and flanking columns
                    421:         * being the operating system:
                    422:         *
                    423:         * SYSTEM                  DATE                    SYSTEM
                    424:         */
                    425:
1.1       kristaps  426:        term_vspace(p);
                    427:
1.9       kristaps  428:        p->offset = 0;
1.157     kristaps  429:        p->rmargin = (p->maxrmargin -
1.220     schwarze  430:                        term_strlen(p, m->date) + term_len(p, 1)) / 2;
1.1       kristaps  431:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    432:
1.220     schwarze  433:        term_word(p, m->os);
1.1       kristaps  434:        term_flushln(p);
                    435:
1.9       kristaps  436:        p->offset = p->rmargin;
1.220     schwarze  437:        p->rmargin = p->maxrmargin - term_strlen(p, m->os);
1.1       kristaps  438:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  439:
1.220     schwarze  440:        term_word(p, m->date);
1.9       kristaps  441:        term_flushln(p);
                    442:
1.1       kristaps  443:        p->offset = p->rmargin;
                    444:        p->rmargin = p->maxrmargin;
                    445:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  446:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  447:
1.220     schwarze  448:        term_word(p, m->os);
1.1       kristaps  449:        term_flushln(p);
                    450:
1.9       kristaps  451:        p->offset = 0;
                    452:        p->rmargin = p->maxrmargin;
                    453:        p->flags = 0;
1.1       kristaps  454: }
                    455:
                    456:
1.3       kristaps  457: static void
1.144     kristaps  458: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  459: {
1.98      kristaps  460:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  461:        const struct mdoc_meta *m;
                    462:
                    463:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  464:
                    465:        p->rmargin = p->maxrmargin;
                    466:        p->offset = 0;
                    467:
                    468:        /*
                    469:         * The header is strange.  It has three components, which are
                    470:         * really two with the first duplicated.  It goes like this:
                    471:         *
                    472:         * IDENTIFIER              TITLE                   IDENTIFIER
                    473:         *
                    474:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    475:         * (if given, or "unknown" if not) followed by the manual page
                    476:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    477:         * string depending on the manual volume.  If not specified, it
                    478:         * switches on the manual section.
                    479:         */
                    480:
1.86      kristaps  481:        assert(m->vol);
1.98      kristaps  482:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  483:
1.86      kristaps  484:        if (m->arch) {
1.98      kristaps  485:                strlcat(buf, " (", BUFSIZ);
                    486:                strlcat(buf, m->arch, BUFSIZ);
                    487:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  488:        }
                    489:
1.124     kristaps  490:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  491:
                    492:        p->offset = 0;
1.157     kristaps  493:        p->rmargin = (p->maxrmargin -
                    494:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  495:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    496:
                    497:        term_word(p, title);
                    498:        term_flushln(p);
                    499:
                    500:        p->offset = p->rmargin;
1.157     kristaps  501:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.9       kristaps  502:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  503:
                    504:        term_word(p, buf);
                    505:        term_flushln(p);
                    506:
                    507:        p->offset = p->rmargin;
                    508:        p->rmargin = p->maxrmargin;
                    509:        p->flags &= ~TERMP_NOBREAK;
                    510:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    511:
                    512:        term_word(p, title);
                    513:        term_flushln(p);
                    514:
1.9       kristaps  515:        p->offset = 0;
1.1       kristaps  516:        p->rmargin = p->maxrmargin;
                    517:        p->flags &= ~TERMP_NOSPACE;
                    518: }
                    519:
                    520:
                    521: static size_t
1.157     kristaps  522: a2height(const struct termp *p, const char *v)
1.1       kristaps  523: {
1.92      kristaps  524:        struct roffsu    su;
1.91      kristaps  525:
1.231     kristaps  526:
1.157     kristaps  527:        assert(v);
                    528:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  529:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  530:
1.157     kristaps  531:        return(term_vspan(p, &su));
1.91      kristaps  532: }
1.1       kristaps  533:
1.40      kristaps  534:
1.91      kristaps  535: static size_t
1.157     kristaps  536: a2width(const struct termp *p, const char *v)
1.91      kristaps  537: {
1.92      kristaps  538:        struct roffsu    su;
1.1       kristaps  539:
1.154     kristaps  540:        assert(v);
                    541:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  542:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  543:
1.157     kristaps  544:        return(term_hspan(p, &su));
1.1       kristaps  545: }
                    546:
                    547:
                    548: static size_t
1.157     kristaps  549: a2offs(const struct termp *p, const char *v)
1.1       kristaps  550: {
1.92      kristaps  551:        struct roffsu    su;
1.1       kristaps  552:
1.148     kristaps  553:        if ('\0' == *v)
1.91      kristaps  554:                return(0);
1.148     kristaps  555:        else if (0 == strcmp(v, "left"))
1.19      kristaps  556:                return(0);
1.148     kristaps  557:        else if (0 == strcmp(v, "indent"))
1.157     kristaps  558:                return(term_len(p, INDENT + 1));
1.148     kristaps  559:        else if (0 == strcmp(v, "indent-two"))
1.157     kristaps  560:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  561:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  562:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  563:
1.157     kristaps  564:        return(term_hspan(p, &su));
1.1       kristaps  565: }
                    566:
                    567:
1.108     kristaps  568: /*
                    569:  * Determine how much space to print out before block elements of `It'
                    570:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    571:  * too.
                    572:  */
1.54      kristaps  573: static void
1.151     kristaps  574: print_bvspace(struct termp *p,
                    575:                const struct mdoc_node *bl,
                    576:                const struct mdoc_node *n)
1.1       kristaps  577: {
1.86      kristaps  578:        const struct mdoc_node  *nn;
1.1       kristaps  579:
                    580:        term_newln(p);
1.150     kristaps  581:
1.202     kristaps  582:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  583:                return;
1.202     kristaps  584:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  585:                return;
                    586:
1.85      kristaps  587:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  588:
1.86      kristaps  589:        for (nn = n; nn; nn = nn->parent) {
                    590:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  591:                        continue;
1.86      kristaps  592:                if (MDOC_Ss == nn->tok)
1.54      kristaps  593:                        return;
1.86      kristaps  594:                if (MDOC_Sh == nn->tok)
1.54      kristaps  595:                        return;
1.86      kristaps  596:                if (NULL == nn->prev)
1.1       kristaps  597:                        continue;
                    598:                break;
                    599:        }
                    600:
1.85      kristaps  601:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  602:
1.202     kristaps  603:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  604:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  605:                        return;
                    606:
1.85      kristaps  607:        /* A `-diag' without body does not vspace. */
                    608:
1.202     kristaps  609:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  610:                if (n->prev && MDOC_It == n->prev->tok) {
                    611:                        assert(n->prev->body);
                    612:                        if (NULL == n->prev->body->child)
1.55      kristaps  613:                                return;
                    614:                }
                    615:
1.54      kristaps  616:        term_vspace(p);
1.1       kristaps  617: }
                    618:
                    619:
                    620: /* ARGSUSED */
                    621: static int
                    622: termp_it_pre(DECL_ARGS)
                    623: {
1.86      kristaps  624:        const struct mdoc_node *bl, *nn;
1.1       kristaps  625:        char                    buf[7];
1.170     kristaps  626:        int                     i;
1.108     kristaps  627:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  628:        enum mdoc_list          type;
1.1       kristaps  629:
1.86      kristaps  630:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  631:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  632:                return(1);
                    633:        }
1.1       kristaps  634:
1.86      kristaps  635:        bl = n->parent->parent->parent;
1.202     kristaps  636:        type = bl->norm->Bl.type;
1.1       kristaps  637:
1.108     kristaps  638:        /*
                    639:         * First calculate width and offset.  This is pretty easy unless
                    640:         * we're a -column list, in which case all prior columns must
                    641:         * be accounted for.
                    642:         */
                    643:
                    644:        width = offset = 0;
                    645:
1.202     kristaps  646:        if (bl->norm->Bl.offs)
                    647:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  648:
1.1       kristaps  649:        switch (type) {
1.126     kristaps  650:        case (LIST_column):
1.134     kristaps  651:                if (MDOC_HEAD == n->type)
1.1       kristaps  652:                        break;
1.155     kristaps  653:
1.105     kristaps  654:                /*
1.108     kristaps  655:                 * Imitate groff's column handling:
                    656:                 * - For each earlier column, add its width.
                    657:                 * - For less than 5 columns, add four more blanks per
                    658:                 *   column.
                    659:                 * - For exactly 5 columns, add three more blank per
                    660:                 *   column.
                    661:                 * - For more than 5 columns, add only one column.
1.105     kristaps  662:                 */
1.202     kristaps  663:                ncols = bl->norm->Bl.ncols;
1.170     kristaps  664:
1.108     kristaps  665:                /* LINTED */
1.157     kristaps  666:                dcol = ncols < 5 ? term_len(p, 4) :
                    667:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  668:
1.134     kristaps  669:                /*
                    670:                 * Calculate the offset by applying all prior MDOC_BODY,
                    671:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    672:                 */
                    673:
1.108     kristaps  674:                for (i = 0, nn = n->prev;
1.134     kristaps  675:                                nn->prev && i < (int)ncols;
1.108     kristaps  676:                                nn = nn->prev, i++)
                    677:                        offset += dcol + a2width
1.202     kristaps  678:                                (p, bl->norm->Bl.cols[i]);
1.105     kristaps  679:
                    680:                /*
1.108     kristaps  681:                 * When exceeding the declared number of columns, leave
                    682:                 * the remaining widths at 0.  This will later be
                    683:                 * adjusted to the default width of 10, or, for the last
                    684:                 * column, stretched to the right margin.
1.58      kristaps  685:                 */
1.108     kristaps  686:                if (i >= (int)ncols)
                    687:                        break;
1.58      kristaps  688:
1.105     kristaps  689:                /*
1.108     kristaps  690:                 * Use the declared column widths, extended as explained
                    691:                 * in the preceding paragraph.
1.105     kristaps  692:                 */
1.202     kristaps  693:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  694:                break;
                    695:        default:
1.202     kristaps  696:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  697:                        break;
                    698:
                    699:                /*
                    700:                 * Note: buffer the width by 2, which is groff's magic
                    701:                 * number for buffering single arguments.  See the above
                    702:                 * handling for column for how this changes.
                    703:                 */
1.202     kristaps  704:                assert(bl->norm->Bl.width);
                    705:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  706:                break;
                    707:        }
                    708:
                    709:        /*
                    710:         * List-type can override the width in the case of fixed-head
                    711:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  712:         * offset.
1.1       kristaps  713:         */
                    714:
                    715:        switch (type) {
1.126     kristaps  716:        case (LIST_bullet):
1.1       kristaps  717:                /* FALLTHROUGH */
1.126     kristaps  718:        case (LIST_dash):
1.1       kristaps  719:                /* FALLTHROUGH */
1.126     kristaps  720:        case (LIST_hyphen):
1.157     kristaps  721:                if (width < term_len(p, 4))
                    722:                        width = term_len(p, 4);
1.1       kristaps  723:                break;
1.126     kristaps  724:        case (LIST_enum):
1.157     kristaps  725:                if (width < term_len(p, 5))
                    726:                        width = term_len(p, 5);
1.17      kristaps  727:                break;
1.126     kristaps  728:        case (LIST_hang):
1.39      kristaps  729:                if (0 == width)
1.157     kristaps  730:                        width = term_len(p, 8);
1.39      kristaps  731:                break;
1.126     kristaps  732:        case (LIST_column):
1.49      kristaps  733:                /* FALLTHROUGH */
1.126     kristaps  734:        case (LIST_tag):
1.1       kristaps  735:                if (0 == width)
1.157     kristaps  736:                        width = term_len(p, 10);
1.1       kristaps  737:                break;
                    738:        default:
                    739:                break;
                    740:        }
                    741:
                    742:        /*
1.17      kristaps  743:         * Whitespace control.  Inset bodies need an initial space,
                    744:         * while diagonal bodies need two.
1.1       kristaps  745:         */
                    746:
1.51      kristaps  747:        p->flags |= TERMP_NOSPACE;
                    748:
1.1       kristaps  749:        switch (type) {
1.126     kristaps  750:        case (LIST_diag):
1.86      kristaps  751:                if (MDOC_BODY == n->type)
1.62      kristaps  752:                        term_word(p, "\\ \\ ");
1.51      kristaps  753:                break;
1.126     kristaps  754:        case (LIST_inset):
1.86      kristaps  755:                if (MDOC_BODY == n->type)
1.51      kristaps  756:                        term_word(p, "\\ ");
1.1       kristaps  757:                break;
                    758:        default:
                    759:                break;
                    760:        }
                    761:
1.51      kristaps  762:        p->flags |= TERMP_NOSPACE;
                    763:
1.1       kristaps  764:        switch (type) {
1.126     kristaps  765:        case (LIST_diag):
1.86      kristaps  766:                if (MDOC_HEAD == n->type)
1.102     kristaps  767:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  768:                break;
                    769:        default:
                    770:                break;
                    771:        }
                    772:
                    773:        /*
1.109     kristaps  774:         * Pad and break control.  This is the tricky part.  These flags
                    775:         * are documented in term_flushln() in term.c.  Note that we're
                    776:         * going to unset all of these flags in termp_it_post() when we
                    777:         * exit.
1.1       kristaps  778:         */
                    779:
                    780:        switch (type) {
1.126     kristaps  781:        case (LIST_bullet):
1.1       kristaps  782:                /* FALLTHROUGH */
1.126     kristaps  783:        case (LIST_dash):
1.1       kristaps  784:                /* FALLTHROUGH */
1.126     kristaps  785:        case (LIST_enum):
1.1       kristaps  786:                /* FALLTHROUGH */
1.126     kristaps  787:        case (LIST_hyphen):
1.86      kristaps  788:                if (MDOC_HEAD == n->type)
1.39      kristaps  789:                        p->flags |= TERMP_NOBREAK;
                    790:                else
                    791:                        p->flags |= TERMP_NOLPAD;
                    792:                break;
1.126     kristaps  793:        case (LIST_hang):
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:
1.86      kristaps  799:                if (MDOC_HEAD != n->type)
1.59      kristaps  800:                        break;
                    801:
                    802:                /*
                    803:                 * This is ugly.  If `-hang' is specified and the body
                    804:                 * is a `Bl' or `Bd', then we want basically to nullify
                    805:                 * the "overstep" effect in term_flushln() and treat
                    806:                 * this as a `-ohang' list instead.
                    807:                 */
1.86      kristaps  808:                if (n->next->child &&
                    809:                                (MDOC_Bl == n->next->child->tok ||
                    810:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  811:                        p->flags &= ~TERMP_NOBREAK;
                    812:                        p->flags &= ~TERMP_NOLPAD;
                    813:                } else
1.39      kristaps  814:                        p->flags |= TERMP_HANG;
                    815:                break;
1.126     kristaps  816:        case (LIST_tag):
1.86      kristaps  817:                if (MDOC_HEAD == n->type)
1.51      kristaps  818:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  819:                else
                    820:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  821:
1.86      kristaps  822:                if (MDOC_HEAD != n->type)
1.39      kristaps  823:                        break;
1.86      kristaps  824:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  825:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  826:                break;
1.126     kristaps  827:        case (LIST_column):
1.134     kristaps  828:                if (MDOC_HEAD == n->type)
                    829:                        break;
                    830:
                    831:                if (NULL == n->next)
                    832:                        p->flags &= ~TERMP_NOBREAK;
                    833:                else
                    834:                        p->flags |= TERMP_NOBREAK;
                    835:
                    836:                assert(n->prev);
                    837:                if (MDOC_BODY == n->prev->type)
                    838:                        p->flags |= TERMP_NOLPAD;
                    839:
1.1       kristaps  840:                break;
1.126     kristaps  841:        case (LIST_diag):
1.86      kristaps  842:                if (MDOC_HEAD == n->type)
1.1       kristaps  843:                        p->flags |= TERMP_NOBREAK;
                    844:                break;
                    845:        default:
                    846:                break;
                    847:        }
                    848:
                    849:        /*
                    850:         * Margin control.  Set-head-width lists have their right
                    851:         * margins shortened.  The body for these lists has the offset
                    852:         * necessarily lengthened.  Everybody gets the offset.
                    853:         */
                    854:
                    855:        p->offset += offset;
                    856:
                    857:        switch (type) {
1.126     kristaps  858:        case (LIST_hang):
1.59      kristaps  859:                /*
                    860:                 * Same stipulation as above, regarding `-hang'.  We
                    861:                 * don't want to recalculate rmargin and offsets when
                    862:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    863:                 */
1.86      kristaps  864:                if (MDOC_HEAD == n->type && n->next->child &&
                    865:                                (MDOC_Bl == n->next->child->tok ||
                    866:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  867:                        break;
                    868:                /* FALLTHROUGH */
1.126     kristaps  869:        case (LIST_bullet):
1.1       kristaps  870:                /* FALLTHROUGH */
1.126     kristaps  871:        case (LIST_dash):
1.1       kristaps  872:                /* FALLTHROUGH */
1.126     kristaps  873:        case (LIST_enum):
1.1       kristaps  874:                /* FALLTHROUGH */
1.126     kristaps  875:        case (LIST_hyphen):
1.1       kristaps  876:                /* FALLTHROUGH */
1.126     kristaps  877:        case (LIST_tag):
1.49      kristaps  878:                assert(width);
1.86      kristaps  879:                if (MDOC_HEAD == n->type)
1.1       kristaps  880:                        p->rmargin = p->offset + width;
                    881:                else
                    882:                        p->offset += width;
                    883:                break;
1.126     kristaps  884:        case (LIST_column):
1.49      kristaps  885:                assert(width);
1.1       kristaps  886:                p->rmargin = p->offset + width;
1.50      kristaps  887:                /*
                    888:                 * XXX - this behaviour is not documented: the
                    889:                 * right-most column is filled to the right margin.
                    890:                 */
1.134     kristaps  891:                if (MDOC_HEAD == n->type)
                    892:                        break;
                    893:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  894:                        p->rmargin = p->maxrmargin;
1.1       kristaps  895:                break;
                    896:        default:
                    897:                break;
                    898:        }
                    899:
                    900:        /*
                    901:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  902:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  903:         */
                    904:
1.86      kristaps  905:        if (MDOC_HEAD == n->type)
1.1       kristaps  906:                switch (type) {
1.126     kristaps  907:                case (LIST_bullet):
1.102     kristaps  908:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  909:                        term_word(p, "\\[bu]");
1.102     kristaps  910:                        term_fontpop(p);
1.1       kristaps  911:                        break;
1.126     kristaps  912:                case (LIST_dash):
1.1       kristaps  913:                        /* FALLTHROUGH */
1.126     kristaps  914:                case (LIST_hyphen):
1.102     kristaps  915:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  916:                        term_word(p, "\\(hy");
1.102     kristaps  917:                        term_fontpop(p);
1.1       kristaps  918:                        break;
1.126     kristaps  919:                case (LIST_enum):
1.1       kristaps  920:                        (pair->ppair->ppair->count)++;
1.109     kristaps  921:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  922:                                        pair->ppair->ppair->count);
                    923:                        term_word(p, buf);
                    924:                        break;
                    925:                default:
                    926:                        break;
                    927:                }
                    928:
                    929:        /*
                    930:         * If we're not going to process our children, indicate so here.
                    931:         */
                    932:
                    933:        switch (type) {
1.126     kristaps  934:        case (LIST_bullet):
1.1       kristaps  935:                /* FALLTHROUGH */
1.126     kristaps  936:        case (LIST_item):
1.1       kristaps  937:                /* FALLTHROUGH */
1.126     kristaps  938:        case (LIST_dash):
1.1       kristaps  939:                /* FALLTHROUGH */
1.126     kristaps  940:        case (LIST_hyphen):
1.1       kristaps  941:                /* FALLTHROUGH */
1.126     kristaps  942:        case (LIST_enum):
1.86      kristaps  943:                if (MDOC_HEAD == n->type)
1.1       kristaps  944:                        return(0);
                    945:                break;
1.126     kristaps  946:        case (LIST_column):
1.134     kristaps  947:                if (MDOC_HEAD == n->type)
1.1       kristaps  948:                        return(0);
                    949:                break;
                    950:        default:
                    951:                break;
                    952:        }
                    953:
                    954:        return(1);
                    955: }
                    956:
                    957:
                    958: /* ARGSUSED */
                    959: static void
                    960: termp_it_post(DECL_ARGS)
                    961: {
1.126     kristaps  962:        enum mdoc_list     type;
1.1       kristaps  963:
1.109     kristaps  964:        if (MDOC_BLOCK == n->type)
1.1       kristaps  965:                return;
                    966:
1.202     kristaps  967:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  968:
                    969:        switch (type) {
1.126     kristaps  970:        case (LIST_item):
1.1       kristaps  971:                /* FALLTHROUGH */
1.126     kristaps  972:        case (LIST_diag):
1.53      kristaps  973:                /* FALLTHROUGH */
1.126     kristaps  974:        case (LIST_inset):
1.86      kristaps  975:                if (MDOC_BODY == n->type)
1.130     schwarze  976:                        term_newln(p);
1.1       kristaps  977:                break;
1.126     kristaps  978:        case (LIST_column):
1.134     kristaps  979:                if (MDOC_BODY == n->type)
1.1       kristaps  980:                        term_flushln(p);
                    981:                break;
                    982:        default:
1.130     schwarze  983:                term_newln(p);
1.1       kristaps  984:                break;
                    985:        }
                    986:
1.109     kristaps  987:        /*
                    988:         * Now that our output is flushed, we can reset our tags.  Since
                    989:         * only `It' sets these flags, we're free to assume that nobody
                    990:         * has munged them in the meanwhile.
                    991:         */
                    992:
                    993:        p->flags &= ~TERMP_DANGLE;
                    994:        p->flags &= ~TERMP_NOBREAK;
                    995:        p->flags &= ~TERMP_TWOSPACE;
                    996:        p->flags &= ~TERMP_NOLPAD;
                    997:        p->flags &= ~TERMP_HANG;
1.1       kristaps  998: }
                    999:
                   1000:
                   1001: /* ARGSUSED */
                   1002: static int
                   1003: termp_nm_pre(DECL_ARGS)
                   1004: {
                   1005:
1.164     schwarze 1006:        if (MDOC_BLOCK == n->type)
                   1007:                return(1);
                   1008:
                   1009:        if (MDOC_BODY == n->type) {
                   1010:                if (NULL == n->child)
                   1011:                        return(0);
                   1012:                p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                   1013:                p->offset += term_len(p, 1) +
                   1014:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1015:                     MDOC_TEXT == n->prev->child->type ?
                   1016:                        term_strlen(p, n->prev->child->string) :
                   1017:                     term_len(p, 5));
                   1018:                return(1);
                   1019:        }
                   1020:
1.125     kristaps 1021:        if (NULL == n->child && NULL == m->name)
1.164     schwarze 1022:                return(0);
1.125     kristaps 1023:
1.177     schwarze 1024:        if (MDOC_HEAD == n->type)
                   1025:                synopsis_pre(p, n->parent);
1.102     kristaps 1026:
1.164     schwarze 1027:        if (MDOC_HEAD == n->type && n->next->child) {
1.185     schwarze 1028:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                   1029:                p->rmargin = p->offset + term_len(p, 1);
                   1030:                if (NULL == n->child) {
                   1031:                        p->rmargin += term_strlen(p, m->name);
                   1032:                } else if (MDOC_TEXT == n->child->type) {
                   1033:                        p->rmargin += term_strlen(p, n->child->string);
                   1034:                        if (n->child->next)
                   1035:                                p->flags |= TERMP_HANG;
                   1036:                } else {
                   1037:                        p->rmargin += term_len(p, 5);
                   1038:                        p->flags |= TERMP_HANG;
                   1039:                }
1.164     schwarze 1040:        }
                   1041:
1.102     kristaps 1042:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1043:        if (NULL == n->child)
                   1044:                term_word(p, m->name);
1.1       kristaps 1045:        return(1);
                   1046: }
                   1047:
                   1048:
1.164     schwarze 1049: /* ARGSUSED */
                   1050: static void
                   1051: termp_nm_post(DECL_ARGS)
                   1052: {
                   1053:
                   1054:        if (MDOC_HEAD == n->type && n->next->child) {
                   1055:                term_flushln(p);
                   1056:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1057:        } else if (MDOC_BODY == n->type && n->child) {
                   1058:                term_flushln(p);
                   1059:                p->flags &= ~TERMP_NOLPAD;
                   1060:        }
                   1061: }
                   1062:
                   1063:
1.1       kristaps 1064: /* ARGSUSED */
                   1065: static int
                   1066: termp_fl_pre(DECL_ARGS)
                   1067: {
                   1068:
1.102     kristaps 1069:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1070:        term_word(p, "\\-");
1.103     kristaps 1071:
                   1072:        if (n->child)
1.114     kristaps 1073:                p->flags |= TERMP_NOSPACE;
                   1074:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1075:                p->flags |= TERMP_NOSPACE;
                   1076:
1.1       kristaps 1077:        return(1);
                   1078: }
                   1079:
                   1080:
                   1081: /* ARGSUSED */
                   1082: static int
1.184     kristaps 1083: termp__a_pre(DECL_ARGS)
                   1084: {
                   1085:
                   1086:        if (n->prev && MDOC__A == n->prev->tok)
                   1087:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1088:                        term_word(p, "and");
                   1089:
                   1090:        return(1);
                   1091: }
                   1092:
                   1093:
                   1094: /* ARGSUSED */
                   1095: static int
1.61      kristaps 1096: termp_an_pre(DECL_ARGS)
                   1097: {
                   1098:
1.86      kristaps 1099:        if (NULL == n->child)
1.61      kristaps 1100:                return(1);
                   1101:
                   1102:        /*
1.85      kristaps 1103:         * If not in the AUTHORS section, `An -split' will cause
                   1104:         * newlines to occur before the author name.  If in the AUTHORS
                   1105:         * section, by default, the first `An' invocation is nosplit,
                   1106:         * then all subsequent ones, regardless of whether interspersed
                   1107:         * with other macros/text, are split.  -split, in this case,
                   1108:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1109:         */
                   1110:
1.86      kristaps 1111:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1112:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1113:                        if (TERMP_SPLIT & p->flags)
                   1114:                                term_newln(p);
                   1115:                        return(1);
                   1116:                }
                   1117:                if (TERMP_NOSPLIT & p->flags)
                   1118:                        return(1);
                   1119:                term_newln(p);
                   1120:                return(1);
                   1121:        }
                   1122:
                   1123:        if (TERMP_SPLIT & p->flags)
                   1124:                term_newln(p);
                   1125:
                   1126:        return(1);
                   1127: }
                   1128:
                   1129:
                   1130: /* ARGSUSED */
                   1131: static void
                   1132: termp_an_post(DECL_ARGS)
                   1133: {
                   1134:
1.86      kristaps 1135:        if (n->child) {
                   1136:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1137:                        p->flags |= TERMP_ANPREC;
                   1138:                return;
                   1139:        }
                   1140:
1.202     kristaps 1141:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1142:                p->flags &= ~TERMP_NOSPLIT;
                   1143:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1144:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1145:                p->flags &= ~TERMP_SPLIT;
                   1146:                p->flags |= TERMP_NOSPLIT;
                   1147:        }
                   1148:
                   1149: }
                   1150:
                   1151:
                   1152: /* ARGSUSED */
                   1153: static int
1.1       kristaps 1154: termp_ns_pre(DECL_ARGS)
                   1155: {
                   1156:
1.215     kristaps 1157:        if ( ! (MDOC_LINE & n->flags))
                   1158:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1159:        return(1);
                   1160: }
                   1161:
                   1162:
                   1163: /* ARGSUSED */
                   1164: static int
                   1165: termp_rs_pre(DECL_ARGS)
                   1166: {
                   1167:
1.86      kristaps 1168:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1169:                return(1);
1.86      kristaps 1170:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1171:                term_vspace(p);
                   1172:        return(1);
                   1173: }
                   1174:
                   1175:
                   1176: /* ARGSUSED */
                   1177: static int
                   1178: termp_rv_pre(DECL_ARGS)
                   1179: {
1.223     kristaps 1180:        int              nchild;
1.1       kristaps 1181:
                   1182:        term_newln(p);
                   1183:        term_word(p, "The");
                   1184:
1.223     kristaps 1185:        nchild = n->nchild;
                   1186:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1187:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1188:                term_word(p, n->string);
1.102     kristaps 1189:                term_fontpop(p);
1.224     kristaps 1190:
1.68      kristaps 1191:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1192:                term_word(p, "()");
                   1193:
                   1194:                if (nchild > 2 && n->next) {
                   1195:                        p->flags |= TERMP_NOSPACE;
                   1196:                        term_word(p, ",");
                   1197:                }
                   1198:
                   1199:                if (n->next && NULL == n->next->next)
                   1200:                        term_word(p, "and");
1.68      kristaps 1201:        }
                   1202:
1.223     kristaps 1203:        if (nchild > 1)
1.68      kristaps 1204:                term_word(p, "functions return");
                   1205:        else
                   1206:                term_word(p, "function returns");
1.1       kristaps 1207:
1.68      kristaps 1208:                term_word(p, "the value 0 if successful; otherwise the value "
                   1209:                        "-1 is returned and the global variable");
1.1       kristaps 1210:
1.102     kristaps 1211:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1212:        term_word(p, "errno");
1.102     kristaps 1213:        term_fontpop(p);
1.1       kristaps 1214:
                   1215:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1216:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1217:
1.68      kristaps 1218:        return(0);
1.1       kristaps 1219: }
                   1220:
                   1221:
                   1222: /* ARGSUSED */
                   1223: static int
                   1224: termp_ex_pre(DECL_ARGS)
                   1225: {
1.224     kristaps 1226:        int              nchild;
1.1       kristaps 1227:
1.224     kristaps 1228:        term_newln(p);
1.68      kristaps 1229:        term_word(p, "The");
1.1       kristaps 1230:
1.224     kristaps 1231:        nchild = n->nchild;
                   1232:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1233:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1234:                term_word(p, n->string);
1.102     kristaps 1235:                term_fontpop(p);
1.224     kristaps 1236:
                   1237:                if (nchild > 2 && n->next) {
                   1238:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1239:                        term_word(p, ",");
1.224     kristaps 1240:                }
                   1241:
                   1242:                if (n->next && NULL == n->next->next)
                   1243:                        term_word(p, "and");
1.68      kristaps 1244:        }
                   1245:
1.224     kristaps 1246:        if (nchild > 1)
1.68      kristaps 1247:                term_word(p, "utilities exit");
                   1248:        else
                   1249:                term_word(p, "utility exits");
                   1250:
                   1251:                term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1252:
1.131     kristaps 1253:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1254:        return(0);
1.1       kristaps 1255: }
                   1256:
                   1257:
                   1258: /* ARGSUSED */
                   1259: static int
                   1260: termp_nd_pre(DECL_ARGS)
                   1261: {
1.25      kristaps 1262:
1.86      kristaps 1263:        if (MDOC_BODY != n->type)
1.25      kristaps 1264:                return(1);
1.30      kristaps 1265:
1.27      kristaps 1266: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1267:        term_word(p, "\\(en");
1.23      kristaps 1268: #else
                   1269:        term_word(p, "\\(em");
                   1270: #endif
1.1       kristaps 1271:        return(1);
1.115     kristaps 1272: }
                   1273:
                   1274:
                   1275: /* ARGSUSED */
                   1276: static int
                   1277: termp_bl_pre(DECL_ARGS)
                   1278: {
                   1279:
                   1280:        return(MDOC_HEAD != n->type);
1.1       kristaps 1281: }
                   1282:
                   1283:
                   1284: /* ARGSUSED */
                   1285: static void
                   1286: termp_bl_post(DECL_ARGS)
                   1287: {
                   1288:
1.86      kristaps 1289:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1290:                term_newln(p);
                   1291: }
                   1292:
                   1293: /* ARGSUSED */
                   1294: static int
                   1295: termp_xr_pre(DECL_ARGS)
                   1296: {
                   1297:
1.225     kristaps 1298:        if (NULL == (n = n->child))
1.113     kristaps 1299:                return(0);
                   1300:
1.225     kristaps 1301:        assert(MDOC_TEXT == n->type);
                   1302:        term_word(p, n->string);
1.11      kristaps 1303:
1.225     kristaps 1304:        if (NULL == (n = n->next))
1.1       kristaps 1305:                return(0);
1.225     kristaps 1306:
1.1       kristaps 1307:        p->flags |= TERMP_NOSPACE;
                   1308:        term_word(p, "(");
1.222     kristaps 1309:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1310:
                   1311:        assert(MDOC_TEXT == n->type);
                   1312:        term_word(p, n->string);
                   1313:
1.222     kristaps 1314:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1315:        term_word(p, ")");
1.86      kristaps 1316:
1.1       kristaps 1317:        return(0);
                   1318: }
                   1319:
1.143     kristaps 1320: /*
                   1321:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1322:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1323:  * macro combos).
                   1324:  */
                   1325: static void
                   1326: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1327: {
                   1328:        /*
                   1329:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1330:         * exist, do nothing.
                   1331:         */
1.160     kristaps 1332:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1333:                return;
                   1334:
                   1335:        /*
                   1336:         * If we're the second in a pair of like elements, emit our
                   1337:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1338:         * case we soldier on.
                   1339:         */
                   1340:        if (n->prev->tok == n->tok &&
                   1341:                        MDOC_Ft != n->tok &&
                   1342:                        MDOC_Fo != n->tok &&
                   1343:                        MDOC_Fn != n->tok) {
                   1344:                term_newln(p);
                   1345:                return;
                   1346:        }
                   1347:
                   1348:        /*
                   1349:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1350:         * another (or Fn/Fo, which we've let slip through) then assert
                   1351:         * vertical space, else only newline and move on.
                   1352:         */
                   1353:        switch (n->prev->tok) {
                   1354:        case (MDOC_Fd):
                   1355:                /* FALLTHROUGH */
                   1356:        case (MDOC_Fn):
                   1357:                /* FALLTHROUGH */
                   1358:        case (MDOC_Fo):
                   1359:                /* FALLTHROUGH */
                   1360:        case (MDOC_In):
                   1361:                /* FALLTHROUGH */
                   1362:        case (MDOC_Vt):
                   1363:                term_vspace(p);
                   1364:                break;
                   1365:        case (MDOC_Ft):
                   1366:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1367:                        term_vspace(p);
                   1368:                        break;
                   1369:                }
                   1370:                /* FALLTHROUGH */
                   1371:        default:
                   1372:                term_newln(p);
                   1373:                break;
                   1374:        }
                   1375: }
                   1376:
                   1377:
1.110     kristaps 1378: static int
                   1379: termp_vt_pre(DECL_ARGS)
                   1380: {
                   1381:
1.143     kristaps 1382:        if (MDOC_ELEM == n->type) {
                   1383:                synopsis_pre(p, n);
1.110     kristaps 1384:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1385:        } else if (MDOC_BLOCK == n->type) {
                   1386:                synopsis_pre(p, n);
                   1387:                return(1);
                   1388:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1389:                return(0);
                   1390:
                   1391:        return(termp_under_pre(p, pair, m, n));
                   1392: }
                   1393:
                   1394:
1.1       kristaps 1395: /* ARGSUSED */
                   1396: static int
1.69      kristaps 1397: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1398: {
                   1399:
1.102     kristaps 1400:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1401:        return(1);
                   1402: }
                   1403:
                   1404:
                   1405: /* ARGSUSED */
1.143     kristaps 1406: static int
                   1407: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1408: {
                   1409:
1.143     kristaps 1410:        synopsis_pre(p, n);
                   1411:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1412: }
                   1413:
                   1414:
                   1415: /* ARGSUSED */
                   1416: static int
                   1417: termp_sh_pre(DECL_ARGS)
                   1418: {
1.85      kristaps 1419:
                   1420:        /* No vspace between consecutive `Sh' calls. */
                   1421:
1.86      kristaps 1422:        switch (n->type) {
1.65      kristaps 1423:        case (MDOC_BLOCK):
1.86      kristaps 1424:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1425:                        if (NULL == n->prev->body->child)
1.65      kristaps 1426:                                break;
                   1427:                term_vspace(p);
                   1428:                break;
1.1       kristaps 1429:        case (MDOC_HEAD):
1.102     kristaps 1430:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1431:                break;
                   1432:        case (MDOC_BODY):
1.157     kristaps 1433:                p->offset = term_len(p, INDENT);
1.1       kristaps 1434:                break;
                   1435:        default:
                   1436:                break;
                   1437:        }
                   1438:        return(1);
                   1439: }
                   1440:
                   1441:
                   1442: /* ARGSUSED */
                   1443: static void
                   1444: termp_sh_post(DECL_ARGS)
                   1445: {
                   1446:
1.86      kristaps 1447:        switch (n->type) {
1.1       kristaps 1448:        case (MDOC_HEAD):
                   1449:                term_newln(p);
                   1450:                break;
                   1451:        case (MDOC_BODY):
                   1452:                term_newln(p);
                   1453:                p->offset = 0;
                   1454:                break;
                   1455:        default:
                   1456:                break;
                   1457:        }
                   1458: }
                   1459:
                   1460:
                   1461: /* ARGSUSED */
                   1462: static int
                   1463: termp_bt_pre(DECL_ARGS)
                   1464: {
                   1465:
                   1466:        term_word(p, "is currently in beta test.");
1.131     kristaps 1467:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1468:        return(0);
1.1       kristaps 1469: }
                   1470:
                   1471:
                   1472: /* ARGSUSED */
                   1473: static void
                   1474: termp_lb_post(DECL_ARGS)
                   1475: {
                   1476:
1.122     kristaps 1477:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1478:                term_newln(p);
1.1       kristaps 1479: }
                   1480:
                   1481:
                   1482: /* ARGSUSED */
                   1483: static int
                   1484: termp_ud_pre(DECL_ARGS)
                   1485: {
                   1486:
                   1487:        term_word(p, "currently under development.");
1.131     kristaps 1488:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1489:        return(0);
1.1       kristaps 1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static int
                   1495: termp_d1_pre(DECL_ARGS)
                   1496: {
                   1497:
1.86      kristaps 1498:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1499:                return(1);
                   1500:        term_newln(p);
1.157     kristaps 1501:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1502:        return(1);
                   1503: }
                   1504:
                   1505:
                   1506: /* ARGSUSED */
                   1507: static void
                   1508: termp_d1_post(DECL_ARGS)
                   1509: {
                   1510:
1.86      kristaps 1511:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1512:                return;
                   1513:        term_newln(p);
                   1514: }
                   1515:
                   1516:
                   1517: /* ARGSUSED */
                   1518: static int
                   1519: termp_ft_pre(DECL_ARGS)
                   1520: {
                   1521:
1.141     kristaps 1522:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1523:        synopsis_pre(p, n);
1.102     kristaps 1524:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1525:        return(1);
                   1526: }
                   1527:
                   1528:
                   1529: /* ARGSUSED */
                   1530: static int
                   1531: termp_fn_pre(DECL_ARGS)
                   1532: {
1.226     kristaps 1533:        int              pretty;
                   1534:
                   1535:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1536:
1.143     kristaps 1537:        synopsis_pre(p, n);
1.139     kristaps 1538:
1.226     kristaps 1539:        if (NULL == (n = n->child))
                   1540:                return(0);
                   1541:
                   1542:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1543:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1544:        term_word(p, n->string);
1.102     kristaps 1545:        term_fontpop(p);
1.1       kristaps 1546:
                   1547:        p->flags |= TERMP_NOSPACE;
                   1548:        term_word(p, "(");
1.222     kristaps 1549:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1550:
1.226     kristaps 1551:        for (n = n->next; n; n = n->next) {
                   1552:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1553:                term_fontpush(p, TERMFONT_UNDER);
1.226     kristaps 1554:                term_word(p, n->string);
1.102     kristaps 1555:                term_fontpop(p);
                   1556:
1.226     kristaps 1557:                if (n->next) {
1.222     kristaps 1558:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1559:                        term_word(p, ",");
1.222     kristaps 1560:                }
1.1       kristaps 1561:        }
                   1562:
1.222     kristaps 1563:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1564:        term_word(p, ")");
                   1565:
1.226     kristaps 1566:        if (pretty) {
1.222     kristaps 1567:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1568:                term_word(p, ";");
1.222     kristaps 1569:        }
1.1       kristaps 1570:
                   1571:        return(0);
                   1572: }
                   1573:
                   1574:
                   1575: /* ARGSUSED */
                   1576: static int
                   1577: termp_fa_pre(DECL_ARGS)
                   1578: {
1.86      kristaps 1579:        const struct mdoc_node  *nn;
1.1       kristaps 1580:
1.86      kristaps 1581:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1582:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1583:                return(1);
                   1584:        }
                   1585:
1.86      kristaps 1586:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1587:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1588:                term_word(p, nn->string);
1.102     kristaps 1589:                term_fontpop(p);
                   1590:
1.222     kristaps 1591:                if (nn->next) {
                   1592:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1593:                        term_word(p, ",");
1.222     kristaps 1594:                }
1.1       kristaps 1595:        }
                   1596:
1.222     kristaps 1597:        if (n->child && n->next && n->next->tok == MDOC_Fa) {
                   1598:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1599:                term_word(p, ",");
1.222     kristaps 1600:        }
1.1       kristaps 1601:
                   1602:        return(0);
                   1603: }
                   1604:
                   1605:
                   1606: /* ARGSUSED */
                   1607: static int
                   1608: termp_bd_pre(DECL_ARGS)
                   1609: {
1.179     kristaps 1610:        size_t                   tabwidth, rm, rmax;
1.85      kristaps 1611:        const struct mdoc_node  *nn;
1.1       kristaps 1612:
1.86      kristaps 1613:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1614:                print_bvspace(p, n, n);
1.54      kristaps 1615:                return(1);
1.116     kristaps 1616:        } else if (MDOC_HEAD == n->type)
                   1617:                return(0);
1.1       kristaps 1618:
1.202     kristaps 1619:        if (n->norm->Bd.offs)
                   1620:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1621:
                   1622:        /*
                   1623:         * If -ragged or -filled are specified, the block does nothing
                   1624:         * but change the indentation.  If -unfilled or -literal are
                   1625:         * specified, text is printed exactly as entered in the display:
                   1626:         * for macro lines, a newline is appended to the line.  Blank
                   1627:         * lines are allowed.
                   1628:         */
1.60      kristaps 1629:
1.202     kristaps 1630:        if (DISP_literal != n->norm->Bd.type &&
                   1631:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1632:                return(1);
                   1633:
1.129     schwarze 1634:        tabwidth = p->tabwidth;
1.208     kristaps 1635:        if (DISP_literal == n->norm->Bd.type)
                   1636:                p->tabwidth = term_len(p, 8);
                   1637:
1.119     kristaps 1638:        rm = p->rmargin;
                   1639:        rmax = p->maxrmargin;
1.120     kristaps 1640:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1641:
1.86      kristaps 1642:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1643:                print_mdoc_node(p, pair, m, nn);
1.190     kristaps 1644:                /*
                   1645:                 * If the printed node flushes its own line, then we
                   1646:                 * needn't do it here as well.  This is hacky, but the
                   1647:                 * notion of selective eoln whitespace is pretty dumb
                   1648:                 * anyway, so don't sweat it.
                   1649:                 */
                   1650:                switch (nn->tok) {
1.193     kristaps 1651:                case (MDOC_Sm):
                   1652:                        /* FALLTHROUGH */
1.190     kristaps 1653:                case (MDOC_br):
                   1654:                        /* FALLTHROUGH */
                   1655:                case (MDOC_sp):
                   1656:                        /* FALLTHROUGH */
                   1657:                case (MDOC_Bl):
1.196     kristaps 1658:                        /* FALLTHROUGH */
                   1659:                case (MDOC_D1):
                   1660:                        /* FALLTHROUGH */
                   1661:                case (MDOC_Dl):
1.190     kristaps 1662:                        /* FALLTHROUGH */
                   1663:                case (MDOC_Lp):
                   1664:                        /* FALLTHROUGH */
                   1665:                case (MDOC_Pp):
                   1666:                        continue;
                   1667:                default:
                   1668:                        break;
                   1669:                }
1.180     schwarze 1670:                if (nn->next && nn->next->line == nn->line)
                   1671:                        continue;
                   1672:                term_flushln(p);
                   1673:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1674:        }
1.147     kristaps 1675:
1.129     schwarze 1676:        p->tabwidth = tabwidth;
1.119     kristaps 1677:        p->rmargin = rm;
                   1678:        p->maxrmargin = rmax;
1.1       kristaps 1679:        return(0);
                   1680: }
                   1681:
                   1682:
                   1683: /* ARGSUSED */
                   1684: static void
                   1685: termp_bd_post(DECL_ARGS)
                   1686: {
1.119     kristaps 1687:        size_t           rm, rmax;
1.1       kristaps 1688:
1.86      kristaps 1689:        if (MDOC_BODY != n->type)
1.1       kristaps 1690:                return;
1.118     kristaps 1691:
1.119     kristaps 1692:        rm = p->rmargin;
                   1693:        rmax = p->maxrmargin;
1.118     kristaps 1694:
1.202     kristaps 1695:        if (DISP_literal == n->norm->Bd.type ||
                   1696:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1697:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1698:
1.60      kristaps 1699:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1700:        term_newln(p);
1.118     kristaps 1701:
1.119     kristaps 1702:        p->rmargin = rm;
                   1703:        p->maxrmargin = rmax;
1.1       kristaps 1704: }
                   1705:
                   1706:
                   1707: /* ARGSUSED */
1.211     kristaps 1708: static int
                   1709: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1710: {
                   1711:
1.211     kristaps 1712:        if (NULL != (n = n->child)) {
                   1713:                term_word(p, n->string);
                   1714:                p->flags |= TERMP_NOSPACE;
                   1715:                term_word(p, "BSD");
                   1716:        } else {
                   1717:                term_word(p, "BSD");
                   1718:                return(0);
                   1719:        }
                   1720:
                   1721:        if (NULL != (n = n->next)) {
                   1722:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1723:                term_word(p, "-");
1.1       kristaps 1724:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1725:                term_word(p, n->string);
1.211     kristaps 1726:        }
                   1727:
                   1728:        return(0);
1.1       kristaps 1729: }
                   1730:
                   1731:
                   1732: /* ARGSUSED */
                   1733: static int
1.26      kristaps 1734: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1735: {
1.26      kristaps 1736:        const char      *pp;
1.218     schwarze 1737:        int              flags;
1.1       kristaps 1738:
1.26      kristaps 1739:        pp = NULL;
1.86      kristaps 1740:        switch (n->tok) {
1.26      kristaps 1741:        case (MDOC_Bsx):
1.194     schwarze 1742:                pp = "BSD/OS";
1.26      kristaps 1743:                break;
                   1744:        case (MDOC_Dx):
1.100     kristaps 1745:                pp = "DragonFly";
1.26      kristaps 1746:                break;
                   1747:        case (MDOC_Fx):
                   1748:                pp = "FreeBSD";
                   1749:                break;
                   1750:        case (MDOC_Nx):
                   1751:                pp = "NetBSD";
                   1752:                break;
                   1753:        case (MDOC_Ox):
                   1754:                pp = "OpenBSD";
                   1755:                break;
                   1756:        case (MDOC_Ux):
                   1757:                pp = "UNIX";
                   1758:                break;
                   1759:        default:
                   1760:                break;
                   1761:        }
1.1       kristaps 1762:
1.26      kristaps 1763:        term_word(p, pp);
1.214     kristaps 1764:        if (n->child) {
1.218     schwarze 1765:                flags = p->flags;
1.214     kristaps 1766:                p->flags |= TERMP_KEEP;
                   1767:                term_word(p, n->child->string);
1.218     schwarze 1768:                p->flags = flags;
1.214     kristaps 1769:        }
                   1770:        return(0);
1.1       kristaps 1771: }
                   1772:
                   1773:
                   1774: /* ARGSUSED */
                   1775: static int
1.192     schwarze 1776: termp_igndelim_pre(DECL_ARGS)
1.1       kristaps 1777: {
                   1778:
                   1779:        p->flags |= TERMP_IGNDELIM;
                   1780:        return(1);
                   1781: }
                   1782:
                   1783:
                   1784: /* ARGSUSED */
                   1785: static void
                   1786: termp_pf_post(DECL_ARGS)
                   1787: {
                   1788:
                   1789:        p->flags |= TERMP_NOSPACE;
                   1790: }
                   1791:
                   1792:
                   1793: /* ARGSUSED */
                   1794: static int
                   1795: termp_ss_pre(DECL_ARGS)
                   1796: {
                   1797:
1.86      kristaps 1798:        switch (n->type) {
1.1       kristaps 1799:        case (MDOC_BLOCK):
                   1800:                term_newln(p);
1.86      kristaps 1801:                if (n->prev)
1.1       kristaps 1802:                        term_vspace(p);
                   1803:                break;
                   1804:        case (MDOC_HEAD):
1.102     kristaps 1805:                term_fontpush(p, TERMFONT_BOLD);
1.157     kristaps 1806:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1807:                break;
                   1808:        default:
                   1809:                break;
                   1810:        }
                   1811:
                   1812:        return(1);
                   1813: }
                   1814:
                   1815:
                   1816: /* ARGSUSED */
                   1817: static void
                   1818: termp_ss_post(DECL_ARGS)
                   1819: {
                   1820:
1.86      kristaps 1821:        if (MDOC_HEAD == n->type)
1.1       kristaps 1822:                term_newln(p);
                   1823: }
                   1824:
                   1825:
                   1826: /* ARGSUSED */
                   1827: static int
                   1828: termp_cd_pre(DECL_ARGS)
                   1829: {
                   1830:
1.143     kristaps 1831:        synopsis_pre(p, n);
1.102     kristaps 1832:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1833:        return(1);
                   1834: }
                   1835:
                   1836:
                   1837: /* ARGSUSED */
                   1838: static int
                   1839: termp_in_pre(DECL_ARGS)
                   1840: {
1.142     schwarze 1841:
1.143     kristaps 1842:        synopsis_pre(p, n);
1.1       kristaps 1843:
1.160     kristaps 1844:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1845:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1846:                term_word(p, "#include");
1.138     kristaps 1847:                term_word(p, "<");
                   1848:        } else {
                   1849:                term_word(p, "<");
                   1850:                term_fontpush(p, TERMFONT_UNDER);
                   1851:        }
1.22      kristaps 1852:
1.1       kristaps 1853:        p->flags |= TERMP_NOSPACE;
                   1854:        return(1);
                   1855: }
                   1856:
                   1857:
                   1858: /* ARGSUSED */
                   1859: static void
                   1860: termp_in_post(DECL_ARGS)
                   1861: {
                   1862:
1.160     kristaps 1863:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1864:                term_fontpush(p, TERMFONT_BOLD);
                   1865:
1.79      kristaps 1866:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1867:        term_word(p, ">");
                   1868:
1.160     kristaps 1869:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1870:                term_fontpop(p);
1.1       kristaps 1871: }
                   1872:
                   1873:
                   1874: /* ARGSUSED */
                   1875: static int
1.45      kristaps 1876: termp_sp_pre(DECL_ARGS)
                   1877: {
1.91      kristaps 1878:        size_t           i, len;
1.45      kristaps 1879:
1.86      kristaps 1880:        switch (n->tok) {
1.76      kristaps 1881:        case (MDOC_sp):
1.157     kristaps 1882:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1883:                break;
                   1884:        case (MDOC_br):
                   1885:                len = 0;
                   1886:                break;
                   1887:        default:
                   1888:                len = 1;
                   1889:                break;
1.45      kristaps 1890:        }
                   1891:
                   1892:        if (0 == len)
                   1893:                term_newln(p);
                   1894:        for (i = 0; i < len; i++)
                   1895:                term_vspace(p);
                   1896:
                   1897:        return(0);
                   1898: }
                   1899:
                   1900:
1.189     kristaps 1901: /* ARGSUSED */
1.45      kristaps 1902: static int
1.188     kristaps 1903: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1904: {
                   1905:
1.203     kristaps 1906:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1907:                return(1);
                   1908:
1.188     kristaps 1909:        switch (n->tok) {
                   1910:        case (MDOC_Ao):
                   1911:                /* FALLTHROUGH */
                   1912:        case (MDOC_Aq):
                   1913:                term_word(p, "<");
                   1914:                break;
                   1915:        case (MDOC_Bro):
                   1916:                /* FALLTHROUGH */
                   1917:        case (MDOC_Brq):
                   1918:                term_word(p, "{");
                   1919:                break;
                   1920:        case (MDOC_Oo):
                   1921:                /* FALLTHROUGH */
                   1922:        case (MDOC_Op):
                   1923:                /* FALLTHROUGH */
                   1924:        case (MDOC_Bo):
                   1925:                /* FALLTHROUGH */
                   1926:        case (MDOC_Bq):
                   1927:                term_word(p, "[");
                   1928:                break;
                   1929:        case (MDOC_Do):
                   1930:                /* FALLTHROUGH */
                   1931:        case (MDOC_Dq):
                   1932:                term_word(p, "``");
                   1933:                break;
                   1934:        case (MDOC_Po):
                   1935:                /* FALLTHROUGH */
                   1936:        case (MDOC_Pq):
                   1937:                term_word(p, "(");
                   1938:                break;
1.205     kristaps 1939:        case (MDOC__T):
                   1940:                /* FALLTHROUGH */
1.188     kristaps 1941:        case (MDOC_Qo):
                   1942:                /* FALLTHROUGH */
                   1943:        case (MDOC_Qq):
                   1944:                term_word(p, "\"");
                   1945:                break;
                   1946:        case (MDOC_Ql):
                   1947:                /* FALLTHROUGH */
                   1948:        case (MDOC_So):
                   1949:                /* FALLTHROUGH */
                   1950:        case (MDOC_Sq):
                   1951:                term_word(p, "`");
                   1952:                break;
                   1953:        default:
                   1954:                abort();
                   1955:                /* NOTREACHED */
                   1956:        }
1.1       kristaps 1957:
                   1958:        p->flags |= TERMP_NOSPACE;
                   1959:        return(1);
                   1960: }
                   1961:
                   1962:
1.189     kristaps 1963: /* ARGSUSED */
1.1       kristaps 1964: static void
1.188     kristaps 1965: termp_quote_post(DECL_ARGS)
1.1       kristaps 1966: {
                   1967:
1.203     kristaps 1968:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1969:                return;
                   1970:
                   1971:        p->flags |= TERMP_NOSPACE;
                   1972:
1.188     kristaps 1973:        switch (n->tok) {
                   1974:        case (MDOC_Ao):
                   1975:                /* FALLTHROUGH */
                   1976:        case (MDOC_Aq):
                   1977:                term_word(p, ">");
                   1978:                break;
                   1979:        case (MDOC_Bro):
                   1980:                /* FALLTHROUGH */
                   1981:        case (MDOC_Brq):
                   1982:                term_word(p, "}");
                   1983:                break;
                   1984:        case (MDOC_Oo):
                   1985:                /* FALLTHROUGH */
                   1986:        case (MDOC_Op):
                   1987:                /* FALLTHROUGH */
                   1988:        case (MDOC_Bo):
                   1989:                /* FALLTHROUGH */
                   1990:        case (MDOC_Bq):
                   1991:                term_word(p, "]");
                   1992:                break;
                   1993:        case (MDOC_Do):
                   1994:                /* FALLTHROUGH */
                   1995:        case (MDOC_Dq):
                   1996:                term_word(p, "''");
                   1997:                break;
                   1998:        case (MDOC_Po):
                   1999:                /* FALLTHROUGH */
                   2000:        case (MDOC_Pq):
                   2001:                term_word(p, ")");
                   2002:                break;
1.205     kristaps 2003:        case (MDOC__T):
                   2004:                /* FALLTHROUGH */
1.188     kristaps 2005:        case (MDOC_Qo):
                   2006:                /* FALLTHROUGH */
                   2007:        case (MDOC_Qq):
                   2008:                term_word(p, "\"");
                   2009:                break;
                   2010:        case (MDOC_Ql):
                   2011:                /* FALLTHROUGH */
                   2012:        case (MDOC_So):
                   2013:                /* FALLTHROUGH */
                   2014:        case (MDOC_Sq):
                   2015:                term_word(p, "'");
                   2016:                break;
                   2017:        default:
                   2018:                abort();
                   2019:                /* NOTREACHED */
                   2020:        }
1.1       kristaps 2021: }
                   2022:
                   2023:
                   2024: /* ARGSUSED */
                   2025: static int
                   2026: termp_fo_pre(DECL_ARGS)
                   2027: {
                   2028:
1.141     kristaps 2029:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2030:                synopsis_pre(p, n);
1.141     kristaps 2031:                return(1);
                   2032:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2033:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2034:                term_word(p, "(");
1.222     kristaps 2035:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2036:                return(1);
1.141     kristaps 2037:        }
                   2038:
1.169     kristaps 2039:        if (NULL == n->child)
                   2040:                return(0);
                   2041:
1.141     kristaps 2042:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2043:
1.141     kristaps 2044:        assert(n->child->string);
1.102     kristaps 2045:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2046:        term_word(p, n->child->string);
1.1       kristaps 2047:        return(0);
                   2048: }
                   2049:
                   2050:
                   2051: /* ARGSUSED */
                   2052: static void
                   2053: termp_fo_post(DECL_ARGS)
                   2054: {
                   2055:
1.143     kristaps 2056:        if (MDOC_BODY != n->type)
                   2057:                return;
                   2058:
1.222     kristaps 2059:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2060:        term_word(p, ")");
                   2061:
1.222     kristaps 2062:        if (MDOC_SYNPRETTY & n->flags) {
                   2063:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2064:                term_word(p, ";");
1.222     kristaps 2065:        }
1.1       kristaps 2066: }
                   2067:
                   2068:
                   2069: /* ARGSUSED */
                   2070: static int
                   2071: termp_bf_pre(DECL_ARGS)
                   2072: {
                   2073:
1.86      kristaps 2074:        if (MDOC_HEAD == n->type)
1.1       kristaps 2075:                return(0);
1.86      kristaps 2076:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2077:                return(1);
                   2078:
1.202     kristaps 2079:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2080:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2081:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2082:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2083:        else
1.102     kristaps 2084:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2085:
                   2086:        return(1);
                   2087: }
                   2088:
                   2089:
                   2090: /* ARGSUSED */
                   2091: static int
                   2092: termp_sm_pre(DECL_ARGS)
                   2093: {
                   2094:
1.86      kristaps 2095:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2096:        if (0 == strcmp("on", n->child->string)) {
                   2097:                if (p->col)
                   2098:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2099:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2100:        } else
1.1       kristaps 2101:                p->flags |= TERMP_NONOSPACE;
                   2102:
                   2103:        return(0);
                   2104: }
                   2105:
                   2106:
                   2107: /* ARGSUSED */
                   2108: static int
                   2109: termp_ap_pre(DECL_ARGS)
                   2110: {
                   2111:
                   2112:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2113:        term_word(p, "'");
1.1       kristaps 2114:        p->flags |= TERMP_NOSPACE;
                   2115:        return(1);
                   2116: }
                   2117:
                   2118:
                   2119: /* ARGSUSED */
                   2120: static void
                   2121: termp____post(DECL_ARGS)
                   2122: {
1.184     kristaps 2123:
                   2124:        /*
                   2125:         * Handle lists of authors.  In general, print each followed by
                   2126:         * a comma.  Don't print the comma if there are only two
                   2127:         * authors.
                   2128:         */
                   2129:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2130:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2131:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2132:                                return;
1.1       kristaps 2133:
1.95      kristaps 2134:        /* TODO: %U. */
                   2135:
1.187     kristaps 2136:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2137:                return;
                   2138:
1.222     kristaps 2139:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2140:        if (NULL == n->next) {
                   2141:                term_word(p, ".");
                   2142:                p->flags |= TERMP_SENTENCE;
                   2143:        } else
                   2144:                term_word(p, ",");
1.1       kristaps 2145: }
                   2146:
                   2147:
                   2148: /* ARGSUSED */
                   2149: static int
1.102     kristaps 2150: termp_li_pre(DECL_ARGS)
                   2151: {
                   2152:
                   2153:        term_fontpush(p, TERMFONT_NONE);
                   2154:        return(1);
                   2155: }
                   2156:
                   2157:
                   2158: /* ARGSUSED */
                   2159: static int
1.1       kristaps 2160: termp_lk_pre(DECL_ARGS)
                   2161: {
1.181     kristaps 2162:        const struct mdoc_node *nn, *sv;
1.1       kristaps 2163:
1.102     kristaps 2164:        term_fontpush(p, TERMFONT_UNDER);
1.181     kristaps 2165:
                   2166:        nn = sv = n->child;
1.96      kristaps 2167:
1.195     kristaps 2168:        if (NULL == nn || NULL == nn->next)
1.12      kristaps 2169:                return(1);
                   2170:
1.181     kristaps 2171:        for (nn = nn->next; nn; nn = nn->next)
                   2172:                term_word(p, nn->string);
                   2173:
1.102     kristaps 2174:        term_fontpop(p);
1.96      kristaps 2175:
1.222     kristaps 2176:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 2177:        term_word(p, ":");
                   2178:
1.102     kristaps 2179:        term_fontpush(p, TERMFONT_BOLD);
1.181     kristaps 2180:        term_word(p, sv->string);
1.102     kristaps 2181:        term_fontpop(p);
1.12      kristaps 2182:
1.1       kristaps 2183:        return(0);
                   2184: }
                   2185:
1.159     schwarze 2186:
                   2187: /* ARGSUSED */
                   2188: static int
                   2189: termp_bk_pre(DECL_ARGS)
                   2190: {
                   2191:
1.161     schwarze 2192:        switch (n->type) {
                   2193:        case (MDOC_BLOCK):
1.166     kristaps 2194:                break;
1.161     schwarze 2195:        case (MDOC_HEAD):
                   2196:                return(0);
                   2197:        case (MDOC_BODY):
1.200     schwarze 2198:                if (n->parent->args || 0 == n->prev->nchild)
                   2199:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2200:                break;
1.161     schwarze 2201:        default:
                   2202:                abort();
1.166     kristaps 2203:                /* NOTREACHED */
1.161     schwarze 2204:        }
1.166     kristaps 2205:
                   2206:        return(1);
1.159     schwarze 2207: }
                   2208:
                   2209:
                   2210: /* ARGSUSED */
                   2211: static void
                   2212: termp_bk_post(DECL_ARGS)
                   2213: {
                   2214:
1.161     schwarze 2215:        if (MDOC_BODY == n->type)
                   2216:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2217: }
                   2218:
                   2219: /* ARGSUSED */
                   2220: static void
                   2221: termp__t_post(DECL_ARGS)
                   2222: {
                   2223:
                   2224:        /*
                   2225:         * If we're in an `Rs' and there's a journal present, then quote
                   2226:         * us instead of underlining us (for disambiguation).
                   2227:         */
1.217     schwarze 2228:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2229:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2230:                termp_quote_post(p, pair, m, n);
                   2231:
                   2232:        termp____post(p, pair, m, n);
                   2233: }
                   2234:
                   2235: /* ARGSUSED */
                   2236: static int
                   2237: termp__t_pre(DECL_ARGS)
                   2238: {
                   2239:
                   2240:        /*
                   2241:         * If we're in an `Rs' and there's a journal present, then quote
                   2242:         * us instead of underlining us (for disambiguation).
                   2243:         */
                   2244:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2245:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2246:                return(termp_quote_pre(p, pair, m, n));
                   2247:
                   2248:        term_fontpush(p, TERMFONT_UNDER);
                   2249:        return(1);
1.159     schwarze 2250: }
1.1       kristaps 2251:
                   2252: /* ARGSUSED */
                   2253: static int
1.69      kristaps 2254: termp_under_pre(DECL_ARGS)
1.1       kristaps 2255: {
                   2256:
1.102     kristaps 2257:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2258:        return(1);
                   2259: }

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