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Annotation of mandoc/mdoc_term.c, Revision 1.237

1.237   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.236 2011/10/16 12:20:34 schwarze 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 */
1.237   ! schwarze  197:        { termp_quote_pre, termp_quote_post }, /* 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):
1.233     kristaps  354:                term_eqn(p, n->eqn);
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);
1.234     schwarze  438:        p->flags |= 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;
1.234     schwarze  446:        p->flags |= 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];
1.235     schwarze  461:        size_t          buflen, titlen;
1.144     kristaps  462:        const struct mdoc_meta *m;
                    463:
                    464:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  465:
                    466:        /*
                    467:         * The header is strange.  It has three components, which are
                    468:         * really two with the first duplicated.  It goes like this:
                    469:         *
                    470:         * IDENTIFIER              TITLE                   IDENTIFIER
                    471:         *
                    472:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    473:         * (if given, or "unknown" if not) followed by the manual page
                    474:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    475:         * string depending on the manual volume.  If not specified, it
                    476:         * switches on the manual section.
                    477:         */
                    478:
1.235     schwarze  479:        p->offset = 0;
                    480:        p->rmargin = p->maxrmargin;
                    481:
1.86      kristaps  482:        assert(m->vol);
1.98      kristaps  483:        strlcpy(buf, m->vol, BUFSIZ);
1.235     schwarze  484:        buflen = term_strlen(p, buf);
1.1       kristaps  485:
1.86      kristaps  486:        if (m->arch) {
1.98      kristaps  487:                strlcat(buf, " (", BUFSIZ);
                    488:                strlcat(buf, m->arch, BUFSIZ);
                    489:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  490:        }
                    491:
1.124     kristaps  492:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.235     schwarze  493:        titlen = term_strlen(p, title);
1.1       kristaps  494:
1.235     schwarze  495:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.1       kristaps  496:        p->offset = 0;
1.235     schwarze  497:        p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
                    498:            (p->maxrmargin -
                    499:             term_strlen(p, buf) + term_len(p, 1)) / 2 :
                    500:            p->maxrmargin - buflen;
1.1       kristaps  501:
                    502:        term_word(p, title);
                    503:        term_flushln(p);
                    504:
1.235     schwarze  505:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  506:        p->offset = p->rmargin;
1.235     schwarze  507:        p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
                    508:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  509:
                    510:        term_word(p, buf);
                    511:        term_flushln(p);
                    512:
                    513:        p->flags &= ~TERMP_NOBREAK;
1.235     schwarze  514:        if (p->rmargin + titlen <= p->maxrmargin) {
                    515:                p->flags |= TERMP_NOSPACE;
                    516:                p->offset = p->rmargin;
                    517:                p->rmargin = p->maxrmargin;
                    518:                term_word(p, title);
                    519:                term_flushln(p);
                    520:        }
1.1       kristaps  521:
1.235     schwarze  522:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  523:        p->offset = 0;
1.1       kristaps  524:        p->rmargin = p->maxrmargin;
                    525: }
                    526:
                    527:
                    528: static size_t
1.157     kristaps  529: a2height(const struct termp *p, const char *v)
1.1       kristaps  530: {
1.92      kristaps  531:        struct roffsu    su;
1.91      kristaps  532:
1.231     kristaps  533:
1.157     kristaps  534:        assert(v);
                    535:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  536:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  537:
1.157     kristaps  538:        return(term_vspan(p, &su));
1.91      kristaps  539: }
1.1       kristaps  540:
1.40      kristaps  541:
1.91      kristaps  542: static size_t
1.157     kristaps  543: a2width(const struct termp *p, const char *v)
1.91      kristaps  544: {
1.92      kristaps  545:        struct roffsu    su;
1.1       kristaps  546:
1.154     kristaps  547:        assert(v);
                    548:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  549:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  550:
1.157     kristaps  551:        return(term_hspan(p, &su));
1.1       kristaps  552: }
                    553:
                    554:
                    555: static size_t
1.157     kristaps  556: a2offs(const struct termp *p, const char *v)
1.1       kristaps  557: {
1.92      kristaps  558:        struct roffsu    su;
1.1       kristaps  559:
1.148     kristaps  560:        if ('\0' == *v)
1.91      kristaps  561:                return(0);
1.148     kristaps  562:        else if (0 == strcmp(v, "left"))
1.19      kristaps  563:                return(0);
1.148     kristaps  564:        else if (0 == strcmp(v, "indent"))
1.157     kristaps  565:                return(term_len(p, INDENT + 1));
1.148     kristaps  566:        else if (0 == strcmp(v, "indent-two"))
1.157     kristaps  567:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  568:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  569:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  570:
1.157     kristaps  571:        return(term_hspan(p, &su));
1.1       kristaps  572: }
                    573:
                    574:
1.108     kristaps  575: /*
                    576:  * Determine how much space to print out before block elements of `It'
                    577:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    578:  * too.
                    579:  */
1.54      kristaps  580: static void
1.151     kristaps  581: print_bvspace(struct termp *p,
                    582:                const struct mdoc_node *bl,
                    583:                const struct mdoc_node *n)
1.1       kristaps  584: {
1.86      kristaps  585:        const struct mdoc_node  *nn;
1.236     schwarze  586:
                    587:        assert(n);
1.1       kristaps  588:
                    589:        term_newln(p);
1.150     kristaps  590:
1.202     kristaps  591:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  592:                return;
1.202     kristaps  593:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  594:                return;
                    595:
1.85      kristaps  596:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  597:
1.86      kristaps  598:        for (nn = n; nn; nn = nn->parent) {
                    599:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  600:                        continue;
1.86      kristaps  601:                if (MDOC_Ss == nn->tok)
1.54      kristaps  602:                        return;
1.86      kristaps  603:                if (MDOC_Sh == nn->tok)
1.54      kristaps  604:                        return;
1.86      kristaps  605:                if (NULL == nn->prev)
1.1       kristaps  606:                        continue;
                    607:                break;
                    608:        }
                    609:
1.85      kristaps  610:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  611:
1.202     kristaps  612:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  613:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  614:                        return;
                    615:
1.85      kristaps  616:        /* A `-diag' without body does not vspace. */
                    617:
1.202     kristaps  618:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  619:                if (n->prev && MDOC_It == n->prev->tok) {
                    620:                        assert(n->prev->body);
                    621:                        if (NULL == n->prev->body->child)
1.55      kristaps  622:                                return;
                    623:                }
                    624:
1.54      kristaps  625:        term_vspace(p);
1.1       kristaps  626: }
                    627:
                    628:
                    629: /* ARGSUSED */
                    630: static int
                    631: termp_it_pre(DECL_ARGS)
                    632: {
1.86      kristaps  633:        const struct mdoc_node *bl, *nn;
1.1       kristaps  634:        char                    buf[7];
1.170     kristaps  635:        int                     i;
1.108     kristaps  636:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  637:        enum mdoc_list          type;
1.1       kristaps  638:
1.86      kristaps  639:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  640:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  641:                return(1);
                    642:        }
1.1       kristaps  643:
1.86      kristaps  644:        bl = n->parent->parent->parent;
1.202     kristaps  645:        type = bl->norm->Bl.type;
1.1       kristaps  646:
1.108     kristaps  647:        /*
                    648:         * First calculate width and offset.  This is pretty easy unless
                    649:         * we're a -column list, in which case all prior columns must
                    650:         * be accounted for.
                    651:         */
                    652:
                    653:        width = offset = 0;
                    654:
1.202     kristaps  655:        if (bl->norm->Bl.offs)
                    656:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  657:
1.1       kristaps  658:        switch (type) {
1.126     kristaps  659:        case (LIST_column):
1.134     kristaps  660:                if (MDOC_HEAD == n->type)
1.1       kristaps  661:                        break;
1.155     kristaps  662:
1.105     kristaps  663:                /*
1.108     kristaps  664:                 * Imitate groff's column handling:
                    665:                 * - For each earlier column, add its width.
                    666:                 * - For less than 5 columns, add four more blanks per
                    667:                 *   column.
                    668:                 * - For exactly 5 columns, add three more blank per
                    669:                 *   column.
                    670:                 * - For more than 5 columns, add only one column.
1.105     kristaps  671:                 */
1.202     kristaps  672:                ncols = bl->norm->Bl.ncols;
1.170     kristaps  673:
1.108     kristaps  674:                /* LINTED */
1.157     kristaps  675:                dcol = ncols < 5 ? term_len(p, 4) :
                    676:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  677:
1.134     kristaps  678:                /*
                    679:                 * Calculate the offset by applying all prior MDOC_BODY,
                    680:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    681:                 */
                    682:
1.108     kristaps  683:                for (i = 0, nn = n->prev;
1.134     kristaps  684:                                nn->prev && i < (int)ncols;
1.108     kristaps  685:                                nn = nn->prev, i++)
                    686:                        offset += dcol + a2width
1.202     kristaps  687:                                (p, bl->norm->Bl.cols[i]);
1.105     kristaps  688:
                    689:                /*
1.108     kristaps  690:                 * When exceeding the declared number of columns, leave
                    691:                 * the remaining widths at 0.  This will later be
                    692:                 * adjusted to the default width of 10, or, for the last
                    693:                 * column, stretched to the right margin.
1.58      kristaps  694:                 */
1.108     kristaps  695:                if (i >= (int)ncols)
                    696:                        break;
1.58      kristaps  697:
1.105     kristaps  698:                /*
1.108     kristaps  699:                 * Use the declared column widths, extended as explained
                    700:                 * in the preceding paragraph.
1.105     kristaps  701:                 */
1.202     kristaps  702:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  703:                break;
                    704:        default:
1.202     kristaps  705:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  706:                        break;
                    707:
                    708:                /*
                    709:                 * Note: buffer the width by 2, which is groff's magic
                    710:                 * number for buffering single arguments.  See the above
                    711:                 * handling for column for how this changes.
                    712:                 */
1.202     kristaps  713:                assert(bl->norm->Bl.width);
                    714:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  715:                break;
                    716:        }
                    717:
                    718:        /*
                    719:         * List-type can override the width in the case of fixed-head
                    720:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  721:         * offset.
1.1       kristaps  722:         */
                    723:
                    724:        switch (type) {
1.126     kristaps  725:        case (LIST_bullet):
1.1       kristaps  726:                /* FALLTHROUGH */
1.126     kristaps  727:        case (LIST_dash):
1.1       kristaps  728:                /* FALLTHROUGH */
1.126     kristaps  729:        case (LIST_hyphen):
1.157     kristaps  730:                if (width < term_len(p, 4))
                    731:                        width = term_len(p, 4);
1.1       kristaps  732:                break;
1.126     kristaps  733:        case (LIST_enum):
1.157     kristaps  734:                if (width < term_len(p, 5))
                    735:                        width = term_len(p, 5);
1.17      kristaps  736:                break;
1.126     kristaps  737:        case (LIST_hang):
1.39      kristaps  738:                if (0 == width)
1.157     kristaps  739:                        width = term_len(p, 8);
1.39      kristaps  740:                break;
1.126     kristaps  741:        case (LIST_column):
1.49      kristaps  742:                /* FALLTHROUGH */
1.126     kristaps  743:        case (LIST_tag):
1.1       kristaps  744:                if (0 == width)
1.157     kristaps  745:                        width = term_len(p, 10);
1.1       kristaps  746:                break;
                    747:        default:
                    748:                break;
                    749:        }
                    750:
                    751:        /*
1.17      kristaps  752:         * Whitespace control.  Inset bodies need an initial space,
                    753:         * while diagonal bodies need two.
1.1       kristaps  754:         */
                    755:
1.51      kristaps  756:        p->flags |= TERMP_NOSPACE;
                    757:
1.1       kristaps  758:        switch (type) {
1.126     kristaps  759:        case (LIST_diag):
1.86      kristaps  760:                if (MDOC_BODY == n->type)
1.62      kristaps  761:                        term_word(p, "\\ \\ ");
1.51      kristaps  762:                break;
1.126     kristaps  763:        case (LIST_inset):
1.86      kristaps  764:                if (MDOC_BODY == n->type)
1.51      kristaps  765:                        term_word(p, "\\ ");
1.1       kristaps  766:                break;
                    767:        default:
                    768:                break;
                    769:        }
                    770:
1.51      kristaps  771:        p->flags |= TERMP_NOSPACE;
                    772:
1.1       kristaps  773:        switch (type) {
1.126     kristaps  774:        case (LIST_diag):
1.86      kristaps  775:                if (MDOC_HEAD == n->type)
1.102     kristaps  776:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  777:                break;
                    778:        default:
                    779:                break;
                    780:        }
                    781:
                    782:        /*
1.109     kristaps  783:         * Pad and break control.  This is the tricky part.  These flags
                    784:         * are documented in term_flushln() in term.c.  Note that we're
                    785:         * going to unset all of these flags in termp_it_post() when we
                    786:         * exit.
1.1       kristaps  787:         */
                    788:
                    789:        switch (type) {
1.126     kristaps  790:        case (LIST_bullet):
1.1       kristaps  791:                /* FALLTHROUGH */
1.126     kristaps  792:        case (LIST_dash):
1.1       kristaps  793:                /* FALLTHROUGH */
1.126     kristaps  794:        case (LIST_enum):
1.1       kristaps  795:                /* FALLTHROUGH */
1.126     kristaps  796:        case (LIST_hyphen):
1.86      kristaps  797:                if (MDOC_HEAD == n->type)
1.39      kristaps  798:                        p->flags |= TERMP_NOBREAK;
                    799:                break;
1.126     kristaps  800:        case (LIST_hang):
1.86      kristaps  801:                if (MDOC_HEAD == n->type)
1.39      kristaps  802:                        p->flags |= TERMP_NOBREAK;
                    803:                else
1.59      kristaps  804:                        break;
                    805:
                    806:                /*
                    807:                 * This is ugly.  If `-hang' is specified and the body
                    808:                 * is a `Bl' or `Bd', then we want basically to nullify
                    809:                 * the "overstep" effect in term_flushln() and treat
                    810:                 * this as a `-ohang' list instead.
                    811:                 */
1.86      kristaps  812:                if (n->next->child &&
                    813:                                (MDOC_Bl == n->next->child->tok ||
1.234     schwarze  814:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  815:                        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  816:                else
1.39      kristaps  817:                        p->flags |= TERMP_HANG;
                    818:                break;
1.126     kristaps  819:        case (LIST_tag):
1.86      kristaps  820:                if (MDOC_HEAD == n->type)
1.51      kristaps  821:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.38      kristaps  822:
1.86      kristaps  823:                if (MDOC_HEAD != n->type)
1.39      kristaps  824:                        break;
1.86      kristaps  825:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  826:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  827:                break;
1.126     kristaps  828:        case (LIST_column):
1.134     kristaps  829:                if (MDOC_HEAD == n->type)
                    830:                        break;
                    831:
                    832:                if (NULL == n->next)
                    833:                        p->flags &= ~TERMP_NOBREAK;
                    834:                else
                    835:                        p->flags |= TERMP_NOBREAK;
                    836:
1.1       kristaps  837:                break;
1.126     kristaps  838:        case (LIST_diag):
1.86      kristaps  839:                if (MDOC_HEAD == n->type)
1.1       kristaps  840:                        p->flags |= TERMP_NOBREAK;
                    841:                break;
                    842:        default:
                    843:                break;
                    844:        }
                    845:
                    846:        /*
                    847:         * Margin control.  Set-head-width lists have their right
                    848:         * margins shortened.  The body for these lists has the offset
                    849:         * necessarily lengthened.  Everybody gets the offset.
                    850:         */
                    851:
                    852:        p->offset += offset;
                    853:
                    854:        switch (type) {
1.126     kristaps  855:        case (LIST_hang):
1.59      kristaps  856:                /*
                    857:                 * Same stipulation as above, regarding `-hang'.  We
                    858:                 * don't want to recalculate rmargin and offsets when
                    859:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    860:                 */
1.86      kristaps  861:                if (MDOC_HEAD == n->type && n->next->child &&
                    862:                                (MDOC_Bl == n->next->child->tok ||
                    863:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  864:                        break;
                    865:                /* FALLTHROUGH */
1.126     kristaps  866:        case (LIST_bullet):
1.1       kristaps  867:                /* FALLTHROUGH */
1.126     kristaps  868:        case (LIST_dash):
1.1       kristaps  869:                /* FALLTHROUGH */
1.126     kristaps  870:        case (LIST_enum):
1.1       kristaps  871:                /* FALLTHROUGH */
1.126     kristaps  872:        case (LIST_hyphen):
1.1       kristaps  873:                /* FALLTHROUGH */
1.126     kristaps  874:        case (LIST_tag):
1.49      kristaps  875:                assert(width);
1.86      kristaps  876:                if (MDOC_HEAD == n->type)
1.1       kristaps  877:                        p->rmargin = p->offset + width;
                    878:                else
                    879:                        p->offset += width;
                    880:                break;
1.126     kristaps  881:        case (LIST_column):
1.49      kristaps  882:                assert(width);
1.1       kristaps  883:                p->rmargin = p->offset + width;
1.50      kristaps  884:                /*
                    885:                 * XXX - this behaviour is not documented: the
                    886:                 * right-most column is filled to the right margin.
                    887:                 */
1.134     kristaps  888:                if (MDOC_HEAD == n->type)
                    889:                        break;
                    890:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  891:                        p->rmargin = p->maxrmargin;
1.1       kristaps  892:                break;
                    893:        default:
                    894:                break;
                    895:        }
                    896:
                    897:        /*
                    898:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  899:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  900:         */
                    901:
1.86      kristaps  902:        if (MDOC_HEAD == n->type)
1.1       kristaps  903:                switch (type) {
1.126     kristaps  904:                case (LIST_bullet):
1.102     kristaps  905:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  906:                        term_word(p, "\\[bu]");
1.102     kristaps  907:                        term_fontpop(p);
1.1       kristaps  908:                        break;
1.126     kristaps  909:                case (LIST_dash):
1.1       kristaps  910:                        /* FALLTHROUGH */
1.126     kristaps  911:                case (LIST_hyphen):
1.102     kristaps  912:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  913:                        term_word(p, "\\(hy");
1.102     kristaps  914:                        term_fontpop(p);
1.1       kristaps  915:                        break;
1.126     kristaps  916:                case (LIST_enum):
1.1       kristaps  917:                        (pair->ppair->ppair->count)++;
1.109     kristaps  918:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  919:                                        pair->ppair->ppair->count);
                    920:                        term_word(p, buf);
                    921:                        break;
                    922:                default:
                    923:                        break;
                    924:                }
                    925:
                    926:        /*
                    927:         * If we're not going to process our children, indicate so here.
                    928:         */
                    929:
                    930:        switch (type) {
1.126     kristaps  931:        case (LIST_bullet):
1.1       kristaps  932:                /* FALLTHROUGH */
1.126     kristaps  933:        case (LIST_item):
1.1       kristaps  934:                /* FALLTHROUGH */
1.126     kristaps  935:        case (LIST_dash):
1.1       kristaps  936:                /* FALLTHROUGH */
1.126     kristaps  937:        case (LIST_hyphen):
1.1       kristaps  938:                /* FALLTHROUGH */
1.126     kristaps  939:        case (LIST_enum):
1.86      kristaps  940:                if (MDOC_HEAD == n->type)
1.1       kristaps  941:                        return(0);
                    942:                break;
1.126     kristaps  943:        case (LIST_column):
1.134     kristaps  944:                if (MDOC_HEAD == n->type)
1.1       kristaps  945:                        return(0);
                    946:                break;
                    947:        default:
                    948:                break;
                    949:        }
                    950:
                    951:        return(1);
                    952: }
                    953:
                    954:
                    955: /* ARGSUSED */
                    956: static void
                    957: termp_it_post(DECL_ARGS)
                    958: {
1.126     kristaps  959:        enum mdoc_list     type;
1.1       kristaps  960:
1.109     kristaps  961:        if (MDOC_BLOCK == n->type)
1.1       kristaps  962:                return;
                    963:
1.202     kristaps  964:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  965:
                    966:        switch (type) {
1.126     kristaps  967:        case (LIST_item):
1.1       kristaps  968:                /* FALLTHROUGH */
1.126     kristaps  969:        case (LIST_diag):
1.53      kristaps  970:                /* FALLTHROUGH */
1.126     kristaps  971:        case (LIST_inset):
1.86      kristaps  972:                if (MDOC_BODY == n->type)
1.130     schwarze  973:                        term_newln(p);
1.1       kristaps  974:                break;
1.126     kristaps  975:        case (LIST_column):
1.134     kristaps  976:                if (MDOC_BODY == n->type)
1.1       kristaps  977:                        term_flushln(p);
                    978:                break;
                    979:        default:
1.130     schwarze  980:                term_newln(p);
1.1       kristaps  981:                break;
                    982:        }
                    983:
1.109     kristaps  984:        /*
                    985:         * Now that our output is flushed, we can reset our tags.  Since
                    986:         * only `It' sets these flags, we're free to assume that nobody
                    987:         * has munged them in the meanwhile.
                    988:         */
                    989:
                    990:        p->flags &= ~TERMP_DANGLE;
                    991:        p->flags &= ~TERMP_NOBREAK;
                    992:        p->flags &= ~TERMP_TWOSPACE;
                    993:        p->flags &= ~TERMP_HANG;
1.1       kristaps  994: }
                    995:
                    996:
                    997: /* ARGSUSED */
                    998: static int
                    999: termp_nm_pre(DECL_ARGS)
                   1000: {
                   1001:
1.164     schwarze 1002:        if (MDOC_BLOCK == n->type)
                   1003:                return(1);
                   1004:
                   1005:        if (MDOC_BODY == n->type) {
                   1006:                if (NULL == n->child)
                   1007:                        return(0);
1.234     schwarze 1008:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1009:                p->offset += term_len(p, 1) +
                   1010:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1011:                     MDOC_TEXT == n->prev->child->type ?
                   1012:                        term_strlen(p, n->prev->child->string) :
                   1013:                     term_len(p, 5));
                   1014:                return(1);
                   1015:        }
                   1016:
1.125     kristaps 1017:        if (NULL == n->child && NULL == m->name)
1.164     schwarze 1018:                return(0);
1.125     kristaps 1019:
1.177     schwarze 1020:        if (MDOC_HEAD == n->type)
                   1021:                synopsis_pre(p, n->parent);
1.102     kristaps 1022:
1.164     schwarze 1023:        if (MDOC_HEAD == n->type && n->next->child) {
1.185     schwarze 1024:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                   1025:                p->rmargin = p->offset + term_len(p, 1);
                   1026:                if (NULL == n->child) {
                   1027:                        p->rmargin += term_strlen(p, m->name);
                   1028:                } else if (MDOC_TEXT == n->child->type) {
                   1029:                        p->rmargin += term_strlen(p, n->child->string);
                   1030:                        if (n->child->next)
                   1031:                                p->flags |= TERMP_HANG;
                   1032:                } else {
                   1033:                        p->rmargin += term_len(p, 5);
                   1034:                        p->flags |= TERMP_HANG;
                   1035:                }
1.164     schwarze 1036:        }
                   1037:
1.102     kristaps 1038:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1039:        if (NULL == n->child)
                   1040:                term_word(p, m->name);
1.1       kristaps 1041:        return(1);
                   1042: }
                   1043:
                   1044:
1.164     schwarze 1045: /* ARGSUSED */
                   1046: static void
                   1047: termp_nm_post(DECL_ARGS)
                   1048: {
                   1049:
                   1050:        if (MDOC_HEAD == n->type && n->next->child) {
                   1051:                term_flushln(p);
                   1052:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.234     schwarze 1053:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1054:                term_flushln(p);
                   1055: }
                   1056:
                   1057:
1.1       kristaps 1058: /* ARGSUSED */
                   1059: static int
                   1060: termp_fl_pre(DECL_ARGS)
                   1061: {
                   1062:
1.102     kristaps 1063:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1064:        term_word(p, "\\-");
1.103     kristaps 1065:
                   1066:        if (n->child)
1.114     kristaps 1067:                p->flags |= TERMP_NOSPACE;
                   1068:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1069:                p->flags |= TERMP_NOSPACE;
                   1070:
1.1       kristaps 1071:        return(1);
                   1072: }
                   1073:
                   1074:
                   1075: /* ARGSUSED */
                   1076: static int
1.184     kristaps 1077: termp__a_pre(DECL_ARGS)
                   1078: {
                   1079:
                   1080:        if (n->prev && MDOC__A == n->prev->tok)
                   1081:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1082:                        term_word(p, "and");
                   1083:
                   1084:        return(1);
                   1085: }
                   1086:
                   1087:
                   1088: /* ARGSUSED */
                   1089: static int
1.61      kristaps 1090: termp_an_pre(DECL_ARGS)
                   1091: {
                   1092:
1.86      kristaps 1093:        if (NULL == n->child)
1.61      kristaps 1094:                return(1);
                   1095:
                   1096:        /*
1.85      kristaps 1097:         * If not in the AUTHORS section, `An -split' will cause
                   1098:         * newlines to occur before the author name.  If in the AUTHORS
                   1099:         * section, by default, the first `An' invocation is nosplit,
                   1100:         * then all subsequent ones, regardless of whether interspersed
                   1101:         * with other macros/text, are split.  -split, in this case,
                   1102:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1103:         */
                   1104:
1.86      kristaps 1105:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1106:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1107:                        if (TERMP_SPLIT & p->flags)
                   1108:                                term_newln(p);
                   1109:                        return(1);
                   1110:                }
                   1111:                if (TERMP_NOSPLIT & p->flags)
                   1112:                        return(1);
                   1113:                term_newln(p);
                   1114:                return(1);
                   1115:        }
                   1116:
                   1117:        if (TERMP_SPLIT & p->flags)
                   1118:                term_newln(p);
                   1119:
                   1120:        return(1);
                   1121: }
                   1122:
                   1123:
                   1124: /* ARGSUSED */
                   1125: static void
                   1126: termp_an_post(DECL_ARGS)
                   1127: {
                   1128:
1.86      kristaps 1129:        if (n->child) {
                   1130:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1131:                        p->flags |= TERMP_ANPREC;
                   1132:                return;
                   1133:        }
                   1134:
1.202     kristaps 1135:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1136:                p->flags &= ~TERMP_NOSPLIT;
                   1137:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1138:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1139:                p->flags &= ~TERMP_SPLIT;
                   1140:                p->flags |= TERMP_NOSPLIT;
                   1141:        }
                   1142:
                   1143: }
                   1144:
                   1145:
                   1146: /* ARGSUSED */
                   1147: static int
1.1       kristaps 1148: termp_ns_pre(DECL_ARGS)
                   1149: {
                   1150:
1.215     kristaps 1151:        if ( ! (MDOC_LINE & n->flags))
                   1152:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1153:        return(1);
                   1154: }
                   1155:
                   1156:
                   1157: /* ARGSUSED */
                   1158: static int
                   1159: termp_rs_pre(DECL_ARGS)
                   1160: {
                   1161:
1.86      kristaps 1162:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1163:                return(1);
1.86      kristaps 1164:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1165:                term_vspace(p);
                   1166:        return(1);
                   1167: }
                   1168:
                   1169:
                   1170: /* ARGSUSED */
                   1171: static int
                   1172: termp_rv_pre(DECL_ARGS)
                   1173: {
1.223     kristaps 1174:        int              nchild;
1.1       kristaps 1175:
                   1176:        term_newln(p);
                   1177:        term_word(p, "The");
                   1178:
1.223     kristaps 1179:        nchild = n->nchild;
                   1180:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1181:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1182:                term_word(p, n->string);
1.102     kristaps 1183:                term_fontpop(p);
1.224     kristaps 1184:
1.68      kristaps 1185:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1186:                term_word(p, "()");
                   1187:
                   1188:                if (nchild > 2 && n->next) {
                   1189:                        p->flags |= TERMP_NOSPACE;
                   1190:                        term_word(p, ",");
                   1191:                }
                   1192:
                   1193:                if (n->next && NULL == n->next->next)
                   1194:                        term_word(p, "and");
1.68      kristaps 1195:        }
                   1196:
1.223     kristaps 1197:        if (nchild > 1)
1.68      kristaps 1198:                term_word(p, "functions return");
                   1199:        else
                   1200:                term_word(p, "function returns");
1.1       kristaps 1201:
1.68      kristaps 1202:                term_word(p, "the value 0 if successful; otherwise the value "
                   1203:                        "-1 is returned and the global variable");
1.1       kristaps 1204:
1.102     kristaps 1205:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1206:        term_word(p, "errno");
1.102     kristaps 1207:        term_fontpop(p);
1.1       kristaps 1208:
                   1209:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1210:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1211:
1.68      kristaps 1212:        return(0);
1.1       kristaps 1213: }
                   1214:
                   1215:
                   1216: /* ARGSUSED */
                   1217: static int
                   1218: termp_ex_pre(DECL_ARGS)
                   1219: {
1.224     kristaps 1220:        int              nchild;
1.1       kristaps 1221:
1.224     kristaps 1222:        term_newln(p);
1.68      kristaps 1223:        term_word(p, "The");
1.1       kristaps 1224:
1.224     kristaps 1225:        nchild = n->nchild;
                   1226:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1227:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1228:                term_word(p, n->string);
1.102     kristaps 1229:                term_fontpop(p);
1.224     kristaps 1230:
                   1231:                if (nchild > 2 && n->next) {
                   1232:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1233:                        term_word(p, ",");
1.224     kristaps 1234:                }
                   1235:
                   1236:                if (n->next && NULL == n->next->next)
                   1237:                        term_word(p, "and");
1.68      kristaps 1238:        }
                   1239:
1.224     kristaps 1240:        if (nchild > 1)
1.68      kristaps 1241:                term_word(p, "utilities exit");
                   1242:        else
                   1243:                term_word(p, "utility exits");
                   1244:
                   1245:                term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1246:
1.131     kristaps 1247:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1248:        return(0);
1.1       kristaps 1249: }
                   1250:
                   1251:
                   1252: /* ARGSUSED */
                   1253: static int
                   1254: termp_nd_pre(DECL_ARGS)
                   1255: {
1.25      kristaps 1256:
1.86      kristaps 1257:        if (MDOC_BODY != n->type)
1.25      kristaps 1258:                return(1);
1.30      kristaps 1259:
1.27      kristaps 1260: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1261:        term_word(p, "\\(en");
1.23      kristaps 1262: #else
                   1263:        term_word(p, "\\(em");
                   1264: #endif
1.1       kristaps 1265:        return(1);
1.115     kristaps 1266: }
                   1267:
                   1268:
                   1269: /* ARGSUSED */
                   1270: static int
                   1271: termp_bl_pre(DECL_ARGS)
                   1272: {
                   1273:
                   1274:        return(MDOC_HEAD != n->type);
1.1       kristaps 1275: }
                   1276:
                   1277:
                   1278: /* ARGSUSED */
                   1279: static void
                   1280: termp_bl_post(DECL_ARGS)
                   1281: {
                   1282:
1.86      kristaps 1283:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1284:                term_newln(p);
                   1285: }
                   1286:
                   1287: /* ARGSUSED */
                   1288: static int
                   1289: termp_xr_pre(DECL_ARGS)
                   1290: {
                   1291:
1.225     kristaps 1292:        if (NULL == (n = n->child))
1.113     kristaps 1293:                return(0);
                   1294:
1.225     kristaps 1295:        assert(MDOC_TEXT == n->type);
                   1296:        term_word(p, n->string);
1.11      kristaps 1297:
1.225     kristaps 1298:        if (NULL == (n = n->next))
1.1       kristaps 1299:                return(0);
1.225     kristaps 1300:
1.1       kristaps 1301:        p->flags |= TERMP_NOSPACE;
                   1302:        term_word(p, "(");
1.222     kristaps 1303:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1304:
                   1305:        assert(MDOC_TEXT == n->type);
                   1306:        term_word(p, n->string);
                   1307:
1.222     kristaps 1308:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1309:        term_word(p, ")");
1.86      kristaps 1310:
1.1       kristaps 1311:        return(0);
                   1312: }
                   1313:
1.143     kristaps 1314: /*
                   1315:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1316:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1317:  * macro combos).
                   1318:  */
                   1319: static void
                   1320: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1321: {
                   1322:        /*
                   1323:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1324:         * exist, do nothing.
                   1325:         */
1.160     kristaps 1326:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1327:                return;
                   1328:
                   1329:        /*
                   1330:         * If we're the second in a pair of like elements, emit our
                   1331:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1332:         * case we soldier on.
                   1333:         */
                   1334:        if (n->prev->tok == n->tok &&
                   1335:                        MDOC_Ft != n->tok &&
                   1336:                        MDOC_Fo != n->tok &&
                   1337:                        MDOC_Fn != n->tok) {
                   1338:                term_newln(p);
                   1339:                return;
                   1340:        }
                   1341:
                   1342:        /*
                   1343:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1344:         * another (or Fn/Fo, which we've let slip through) then assert
                   1345:         * vertical space, else only newline and move on.
                   1346:         */
                   1347:        switch (n->prev->tok) {
                   1348:        case (MDOC_Fd):
                   1349:                /* FALLTHROUGH */
                   1350:        case (MDOC_Fn):
                   1351:                /* FALLTHROUGH */
                   1352:        case (MDOC_Fo):
                   1353:                /* FALLTHROUGH */
                   1354:        case (MDOC_In):
                   1355:                /* FALLTHROUGH */
                   1356:        case (MDOC_Vt):
                   1357:                term_vspace(p);
                   1358:                break;
                   1359:        case (MDOC_Ft):
                   1360:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1361:                        term_vspace(p);
                   1362:                        break;
                   1363:                }
                   1364:                /* FALLTHROUGH */
                   1365:        default:
                   1366:                term_newln(p);
                   1367:                break;
                   1368:        }
                   1369: }
                   1370:
                   1371:
1.110     kristaps 1372: static int
                   1373: termp_vt_pre(DECL_ARGS)
                   1374: {
                   1375:
1.143     kristaps 1376:        if (MDOC_ELEM == n->type) {
                   1377:                synopsis_pre(p, n);
1.110     kristaps 1378:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1379:        } else if (MDOC_BLOCK == n->type) {
                   1380:                synopsis_pre(p, n);
                   1381:                return(1);
                   1382:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1383:                return(0);
                   1384:
                   1385:        return(termp_under_pre(p, pair, m, n));
                   1386: }
                   1387:
                   1388:
1.1       kristaps 1389: /* ARGSUSED */
                   1390: static int
1.69      kristaps 1391: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1392: {
                   1393:
1.102     kristaps 1394:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1395:        return(1);
                   1396: }
                   1397:
                   1398:
                   1399: /* ARGSUSED */
1.143     kristaps 1400: static int
                   1401: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1402: {
                   1403:
1.143     kristaps 1404:        synopsis_pre(p, n);
                   1405:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1406: }
                   1407:
                   1408:
                   1409: /* ARGSUSED */
                   1410: static int
                   1411: termp_sh_pre(DECL_ARGS)
                   1412: {
1.85      kristaps 1413:
                   1414:        /* No vspace between consecutive `Sh' calls. */
                   1415:
1.86      kristaps 1416:        switch (n->type) {
1.65      kristaps 1417:        case (MDOC_BLOCK):
1.86      kristaps 1418:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1419:                        if (NULL == n->prev->body->child)
1.65      kristaps 1420:                                break;
                   1421:                term_vspace(p);
                   1422:                break;
1.1       kristaps 1423:        case (MDOC_HEAD):
1.102     kristaps 1424:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1425:                break;
                   1426:        case (MDOC_BODY):
1.157     kristaps 1427:                p->offset = term_len(p, INDENT);
1.1       kristaps 1428:                break;
                   1429:        default:
                   1430:                break;
                   1431:        }
                   1432:        return(1);
                   1433: }
                   1434:
                   1435:
                   1436: /* ARGSUSED */
                   1437: static void
                   1438: termp_sh_post(DECL_ARGS)
                   1439: {
                   1440:
1.86      kristaps 1441:        switch (n->type) {
1.1       kristaps 1442:        case (MDOC_HEAD):
                   1443:                term_newln(p);
                   1444:                break;
                   1445:        case (MDOC_BODY):
                   1446:                term_newln(p);
                   1447:                p->offset = 0;
                   1448:                break;
                   1449:        default:
                   1450:                break;
                   1451:        }
                   1452: }
                   1453:
                   1454:
                   1455: /* ARGSUSED */
                   1456: static int
                   1457: termp_bt_pre(DECL_ARGS)
                   1458: {
                   1459:
                   1460:        term_word(p, "is currently in beta test.");
1.131     kristaps 1461:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1462:        return(0);
1.1       kristaps 1463: }
                   1464:
                   1465:
                   1466: /* ARGSUSED */
                   1467: static void
                   1468: termp_lb_post(DECL_ARGS)
                   1469: {
                   1470:
1.122     kristaps 1471:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1472:                term_newln(p);
1.1       kristaps 1473: }
                   1474:
                   1475:
                   1476: /* ARGSUSED */
                   1477: static int
                   1478: termp_ud_pre(DECL_ARGS)
                   1479: {
                   1480:
                   1481:        term_word(p, "currently under development.");
1.131     kristaps 1482:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1483:        return(0);
1.1       kristaps 1484: }
                   1485:
                   1486:
                   1487: /* ARGSUSED */
                   1488: static int
                   1489: termp_d1_pre(DECL_ARGS)
                   1490: {
                   1491:
1.86      kristaps 1492:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1493:                return(1);
                   1494:        term_newln(p);
1.157     kristaps 1495:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1496:        return(1);
                   1497: }
                   1498:
                   1499:
                   1500: /* ARGSUSED */
                   1501: static void
                   1502: termp_d1_post(DECL_ARGS)
                   1503: {
                   1504:
1.86      kristaps 1505:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1506:                return;
                   1507:        term_newln(p);
                   1508: }
                   1509:
                   1510:
                   1511: /* ARGSUSED */
                   1512: static int
                   1513: termp_ft_pre(DECL_ARGS)
                   1514: {
                   1515:
1.141     kristaps 1516:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1517:        synopsis_pre(p, n);
1.102     kristaps 1518:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1519:        return(1);
                   1520: }
                   1521:
                   1522:
                   1523: /* ARGSUSED */
                   1524: static int
                   1525: termp_fn_pre(DECL_ARGS)
                   1526: {
1.226     kristaps 1527:        int              pretty;
                   1528:
                   1529:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1530:
1.143     kristaps 1531:        synopsis_pre(p, n);
1.139     kristaps 1532:
1.226     kristaps 1533:        if (NULL == (n = n->child))
                   1534:                return(0);
                   1535:
                   1536:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1537:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1538:        term_word(p, n->string);
1.102     kristaps 1539:        term_fontpop(p);
1.1       kristaps 1540:
                   1541:        p->flags |= TERMP_NOSPACE;
                   1542:        term_word(p, "(");
1.222     kristaps 1543:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1544:
1.226     kristaps 1545:        for (n = n->next; n; n = n->next) {
                   1546:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1547:                term_fontpush(p, TERMFONT_UNDER);
1.226     kristaps 1548:                term_word(p, n->string);
1.102     kristaps 1549:                term_fontpop(p);
                   1550:
1.226     kristaps 1551:                if (n->next) {
1.222     kristaps 1552:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1553:                        term_word(p, ",");
1.222     kristaps 1554:                }
1.1       kristaps 1555:        }
                   1556:
1.222     kristaps 1557:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1558:        term_word(p, ")");
                   1559:
1.226     kristaps 1560:        if (pretty) {
1.222     kristaps 1561:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1562:                term_word(p, ";");
1.222     kristaps 1563:        }
1.1       kristaps 1564:
                   1565:        return(0);
                   1566: }
                   1567:
                   1568:
                   1569: /* ARGSUSED */
                   1570: static int
                   1571: termp_fa_pre(DECL_ARGS)
                   1572: {
1.86      kristaps 1573:        const struct mdoc_node  *nn;
1.1       kristaps 1574:
1.86      kristaps 1575:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1576:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1577:                return(1);
                   1578:        }
                   1579:
1.86      kristaps 1580:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1581:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1582:                term_word(p, nn->string);
1.102     kristaps 1583:                term_fontpop(p);
                   1584:
1.222     kristaps 1585:                if (nn->next) {
                   1586:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1587:                        term_word(p, ",");
1.222     kristaps 1588:                }
1.1       kristaps 1589:        }
                   1590:
1.222     kristaps 1591:        if (n->child && n->next && n->next->tok == MDOC_Fa) {
                   1592:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1593:                term_word(p, ",");
1.222     kristaps 1594:        }
1.1       kristaps 1595:
                   1596:        return(0);
                   1597: }
                   1598:
                   1599:
                   1600: /* ARGSUSED */
                   1601: static int
                   1602: termp_bd_pre(DECL_ARGS)
                   1603: {
1.179     kristaps 1604:        size_t                   tabwidth, rm, rmax;
1.85      kristaps 1605:        const struct mdoc_node  *nn;
1.1       kristaps 1606:
1.86      kristaps 1607:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1608:                print_bvspace(p, n, n);
1.54      kristaps 1609:                return(1);
1.116     kristaps 1610:        } else if (MDOC_HEAD == n->type)
                   1611:                return(0);
1.1       kristaps 1612:
1.202     kristaps 1613:        if (n->norm->Bd.offs)
                   1614:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1615:
                   1616:        /*
                   1617:         * If -ragged or -filled are specified, the block does nothing
                   1618:         * but change the indentation.  If -unfilled or -literal are
                   1619:         * specified, text is printed exactly as entered in the display:
                   1620:         * for macro lines, a newline is appended to the line.  Blank
                   1621:         * lines are allowed.
                   1622:         */
1.60      kristaps 1623:
1.202     kristaps 1624:        if (DISP_literal != n->norm->Bd.type &&
                   1625:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1626:                return(1);
                   1627:
1.129     schwarze 1628:        tabwidth = p->tabwidth;
1.208     kristaps 1629:        if (DISP_literal == n->norm->Bd.type)
                   1630:                p->tabwidth = term_len(p, 8);
                   1631:
1.119     kristaps 1632:        rm = p->rmargin;
                   1633:        rmax = p->maxrmargin;
1.120     kristaps 1634:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1635:
1.86      kristaps 1636:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1637:                print_mdoc_node(p, pair, m, nn);
1.190     kristaps 1638:                /*
                   1639:                 * If the printed node flushes its own line, then we
                   1640:                 * needn't do it here as well.  This is hacky, but the
                   1641:                 * notion of selective eoln whitespace is pretty dumb
                   1642:                 * anyway, so don't sweat it.
                   1643:                 */
                   1644:                switch (nn->tok) {
1.193     kristaps 1645:                case (MDOC_Sm):
                   1646:                        /* FALLTHROUGH */
1.190     kristaps 1647:                case (MDOC_br):
                   1648:                        /* FALLTHROUGH */
                   1649:                case (MDOC_sp):
                   1650:                        /* FALLTHROUGH */
                   1651:                case (MDOC_Bl):
1.196     kristaps 1652:                        /* FALLTHROUGH */
                   1653:                case (MDOC_D1):
                   1654:                        /* FALLTHROUGH */
                   1655:                case (MDOC_Dl):
1.190     kristaps 1656:                        /* FALLTHROUGH */
                   1657:                case (MDOC_Lp):
                   1658:                        /* FALLTHROUGH */
                   1659:                case (MDOC_Pp):
                   1660:                        continue;
                   1661:                default:
                   1662:                        break;
                   1663:                }
1.180     schwarze 1664:                if (nn->next && nn->next->line == nn->line)
                   1665:                        continue;
                   1666:                term_flushln(p);
                   1667:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1668:        }
1.147     kristaps 1669:
1.129     schwarze 1670:        p->tabwidth = tabwidth;
1.119     kristaps 1671:        p->rmargin = rm;
                   1672:        p->maxrmargin = rmax;
1.1       kristaps 1673:        return(0);
                   1674: }
                   1675:
                   1676:
                   1677: /* ARGSUSED */
                   1678: static void
                   1679: termp_bd_post(DECL_ARGS)
                   1680: {
1.119     kristaps 1681:        size_t           rm, rmax;
1.1       kristaps 1682:
1.86      kristaps 1683:        if (MDOC_BODY != n->type)
1.1       kristaps 1684:                return;
1.118     kristaps 1685:
1.119     kristaps 1686:        rm = p->rmargin;
                   1687:        rmax = p->maxrmargin;
1.118     kristaps 1688:
1.202     kristaps 1689:        if (DISP_literal == n->norm->Bd.type ||
                   1690:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1691:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1692:
1.60      kristaps 1693:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1694:        term_newln(p);
1.118     kristaps 1695:
1.119     kristaps 1696:        p->rmargin = rm;
                   1697:        p->maxrmargin = rmax;
1.1       kristaps 1698: }
                   1699:
                   1700:
                   1701: /* ARGSUSED */
1.211     kristaps 1702: static int
                   1703: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1704: {
                   1705:
1.211     kristaps 1706:        if (NULL != (n = n->child)) {
                   1707:                term_word(p, n->string);
                   1708:                p->flags |= TERMP_NOSPACE;
                   1709:                term_word(p, "BSD");
                   1710:        } else {
                   1711:                term_word(p, "BSD");
                   1712:                return(0);
                   1713:        }
                   1714:
                   1715:        if (NULL != (n = n->next)) {
                   1716:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1717:                term_word(p, "-");
1.1       kristaps 1718:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1719:                term_word(p, n->string);
1.211     kristaps 1720:        }
                   1721:
                   1722:        return(0);
1.1       kristaps 1723: }
                   1724:
                   1725:
                   1726: /* ARGSUSED */
                   1727: static int
1.26      kristaps 1728: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1729: {
1.26      kristaps 1730:        const char      *pp;
1.218     schwarze 1731:        int              flags;
1.1       kristaps 1732:
1.26      kristaps 1733:        pp = NULL;
1.86      kristaps 1734:        switch (n->tok) {
1.26      kristaps 1735:        case (MDOC_Bsx):
1.194     schwarze 1736:                pp = "BSD/OS";
1.26      kristaps 1737:                break;
                   1738:        case (MDOC_Dx):
1.100     kristaps 1739:                pp = "DragonFly";
1.26      kristaps 1740:                break;
                   1741:        case (MDOC_Fx):
                   1742:                pp = "FreeBSD";
                   1743:                break;
                   1744:        case (MDOC_Nx):
                   1745:                pp = "NetBSD";
                   1746:                break;
                   1747:        case (MDOC_Ox):
                   1748:                pp = "OpenBSD";
                   1749:                break;
                   1750:        case (MDOC_Ux):
                   1751:                pp = "UNIX";
                   1752:                break;
                   1753:        default:
                   1754:                break;
                   1755:        }
1.1       kristaps 1756:
1.26      kristaps 1757:        term_word(p, pp);
1.214     kristaps 1758:        if (n->child) {
1.218     schwarze 1759:                flags = p->flags;
1.214     kristaps 1760:                p->flags |= TERMP_KEEP;
                   1761:                term_word(p, n->child->string);
1.218     schwarze 1762:                p->flags = flags;
1.214     kristaps 1763:        }
                   1764:        return(0);
1.1       kristaps 1765: }
                   1766:
                   1767:
                   1768: /* ARGSUSED */
                   1769: static int
1.192     schwarze 1770: termp_igndelim_pre(DECL_ARGS)
1.1       kristaps 1771: {
                   1772:
                   1773:        p->flags |= TERMP_IGNDELIM;
                   1774:        return(1);
                   1775: }
                   1776:
                   1777:
                   1778: /* ARGSUSED */
                   1779: static void
                   1780: termp_pf_post(DECL_ARGS)
                   1781: {
                   1782:
                   1783:        p->flags |= TERMP_NOSPACE;
                   1784: }
                   1785:
                   1786:
                   1787: /* ARGSUSED */
                   1788: static int
                   1789: termp_ss_pre(DECL_ARGS)
                   1790: {
                   1791:
1.86      kristaps 1792:        switch (n->type) {
1.1       kristaps 1793:        case (MDOC_BLOCK):
                   1794:                term_newln(p);
1.86      kristaps 1795:                if (n->prev)
1.1       kristaps 1796:                        term_vspace(p);
                   1797:                break;
                   1798:        case (MDOC_HEAD):
1.102     kristaps 1799:                term_fontpush(p, TERMFONT_BOLD);
1.157     kristaps 1800:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1801:                break;
                   1802:        default:
                   1803:                break;
                   1804:        }
                   1805:
                   1806:        return(1);
                   1807: }
                   1808:
                   1809:
                   1810: /* ARGSUSED */
                   1811: static void
                   1812: termp_ss_post(DECL_ARGS)
                   1813: {
                   1814:
1.86      kristaps 1815:        if (MDOC_HEAD == n->type)
1.1       kristaps 1816:                term_newln(p);
                   1817: }
                   1818:
                   1819:
                   1820: /* ARGSUSED */
                   1821: static int
                   1822: termp_cd_pre(DECL_ARGS)
                   1823: {
                   1824:
1.143     kristaps 1825:        synopsis_pre(p, n);
1.102     kristaps 1826:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1827:        return(1);
                   1828: }
                   1829:
                   1830:
                   1831: /* ARGSUSED */
                   1832: static int
                   1833: termp_in_pre(DECL_ARGS)
                   1834: {
1.142     schwarze 1835:
1.143     kristaps 1836:        synopsis_pre(p, n);
1.1       kristaps 1837:
1.160     kristaps 1838:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1839:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1840:                term_word(p, "#include");
1.138     kristaps 1841:                term_word(p, "<");
                   1842:        } else {
                   1843:                term_word(p, "<");
                   1844:                term_fontpush(p, TERMFONT_UNDER);
                   1845:        }
1.22      kristaps 1846:
1.1       kristaps 1847:        p->flags |= TERMP_NOSPACE;
                   1848:        return(1);
                   1849: }
                   1850:
                   1851:
                   1852: /* ARGSUSED */
                   1853: static void
                   1854: termp_in_post(DECL_ARGS)
                   1855: {
                   1856:
1.160     kristaps 1857:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1858:                term_fontpush(p, TERMFONT_BOLD);
                   1859:
1.79      kristaps 1860:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1861:        term_word(p, ">");
                   1862:
1.160     kristaps 1863:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1864:                term_fontpop(p);
1.1       kristaps 1865: }
                   1866:
                   1867:
                   1868: /* ARGSUSED */
                   1869: static int
1.45      kristaps 1870: termp_sp_pre(DECL_ARGS)
                   1871: {
1.91      kristaps 1872:        size_t           i, len;
1.45      kristaps 1873:
1.86      kristaps 1874:        switch (n->tok) {
1.76      kristaps 1875:        case (MDOC_sp):
1.157     kristaps 1876:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1877:                break;
                   1878:        case (MDOC_br):
                   1879:                len = 0;
                   1880:                break;
                   1881:        default:
                   1882:                len = 1;
                   1883:                break;
1.45      kristaps 1884:        }
                   1885:
                   1886:        if (0 == len)
                   1887:                term_newln(p);
                   1888:        for (i = 0; i < len; i++)
                   1889:                term_vspace(p);
                   1890:
                   1891:        return(0);
                   1892: }
                   1893:
                   1894:
1.189     kristaps 1895: /* ARGSUSED */
1.45      kristaps 1896: static int
1.188     kristaps 1897: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1898: {
                   1899:
1.203     kristaps 1900:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1901:                return(1);
                   1902:
1.188     kristaps 1903:        switch (n->tok) {
                   1904:        case (MDOC_Ao):
                   1905:                /* FALLTHROUGH */
                   1906:        case (MDOC_Aq):
                   1907:                term_word(p, "<");
                   1908:                break;
                   1909:        case (MDOC_Bro):
                   1910:                /* FALLTHROUGH */
                   1911:        case (MDOC_Brq):
                   1912:                term_word(p, "{");
                   1913:                break;
                   1914:        case (MDOC_Oo):
                   1915:                /* FALLTHROUGH */
                   1916:        case (MDOC_Op):
                   1917:                /* FALLTHROUGH */
                   1918:        case (MDOC_Bo):
                   1919:                /* FALLTHROUGH */
                   1920:        case (MDOC_Bq):
                   1921:                term_word(p, "[");
                   1922:                break;
                   1923:        case (MDOC_Do):
                   1924:                /* FALLTHROUGH */
                   1925:        case (MDOC_Dq):
                   1926:                term_word(p, "``");
                   1927:                break;
1.237   ! schwarze 1928:        case (MDOC_Eo):
        !          1929:                break;
1.188     kristaps 1930:        case (MDOC_Po):
                   1931:                /* FALLTHROUGH */
                   1932:        case (MDOC_Pq):
                   1933:                term_word(p, "(");
                   1934:                break;
1.205     kristaps 1935:        case (MDOC__T):
                   1936:                /* FALLTHROUGH */
1.188     kristaps 1937:        case (MDOC_Qo):
                   1938:                /* FALLTHROUGH */
                   1939:        case (MDOC_Qq):
                   1940:                term_word(p, "\"");
                   1941:                break;
                   1942:        case (MDOC_Ql):
                   1943:                /* FALLTHROUGH */
                   1944:        case (MDOC_So):
                   1945:                /* FALLTHROUGH */
                   1946:        case (MDOC_Sq):
                   1947:                term_word(p, "`");
                   1948:                break;
                   1949:        default:
                   1950:                abort();
                   1951:                /* NOTREACHED */
                   1952:        }
1.1       kristaps 1953:
                   1954:        p->flags |= TERMP_NOSPACE;
                   1955:        return(1);
                   1956: }
                   1957:
                   1958:
1.189     kristaps 1959: /* ARGSUSED */
1.1       kristaps 1960: static void
1.188     kristaps 1961: termp_quote_post(DECL_ARGS)
1.1       kristaps 1962: {
                   1963:
1.203     kristaps 1964:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1965:                return;
                   1966:
                   1967:        p->flags |= TERMP_NOSPACE;
                   1968:
1.188     kristaps 1969:        switch (n->tok) {
                   1970:        case (MDOC_Ao):
                   1971:                /* FALLTHROUGH */
                   1972:        case (MDOC_Aq):
                   1973:                term_word(p, ">");
                   1974:                break;
                   1975:        case (MDOC_Bro):
                   1976:                /* FALLTHROUGH */
                   1977:        case (MDOC_Brq):
                   1978:                term_word(p, "}");
                   1979:                break;
                   1980:        case (MDOC_Oo):
                   1981:                /* FALLTHROUGH */
                   1982:        case (MDOC_Op):
                   1983:                /* FALLTHROUGH */
                   1984:        case (MDOC_Bo):
                   1985:                /* FALLTHROUGH */
                   1986:        case (MDOC_Bq):
                   1987:                term_word(p, "]");
                   1988:                break;
                   1989:        case (MDOC_Do):
                   1990:                /* FALLTHROUGH */
                   1991:        case (MDOC_Dq):
                   1992:                term_word(p, "''");
1.237   ! schwarze 1993:                break;
        !          1994:        case (MDOC_Eo):
1.188     kristaps 1995:                break;
                   1996:        case (MDOC_Po):
                   1997:                /* FALLTHROUGH */
                   1998:        case (MDOC_Pq):
                   1999:                term_word(p, ")");
                   2000:                break;
1.205     kristaps 2001:        case (MDOC__T):
                   2002:                /* FALLTHROUGH */
1.188     kristaps 2003:        case (MDOC_Qo):
                   2004:                /* FALLTHROUGH */
                   2005:        case (MDOC_Qq):
                   2006:                term_word(p, "\"");
                   2007:                break;
                   2008:        case (MDOC_Ql):
                   2009:                /* FALLTHROUGH */
                   2010:        case (MDOC_So):
                   2011:                /* FALLTHROUGH */
                   2012:        case (MDOC_Sq):
                   2013:                term_word(p, "'");
                   2014:                break;
                   2015:        default:
                   2016:                abort();
                   2017:                /* NOTREACHED */
                   2018:        }
1.1       kristaps 2019: }
                   2020:
                   2021:
                   2022: /* ARGSUSED */
                   2023: static int
                   2024: termp_fo_pre(DECL_ARGS)
                   2025: {
                   2026:
1.141     kristaps 2027:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2028:                synopsis_pre(p, n);
1.141     kristaps 2029:                return(1);
                   2030:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2031:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2032:                term_word(p, "(");
1.222     kristaps 2033:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2034:                return(1);
1.141     kristaps 2035:        }
                   2036:
1.169     kristaps 2037:        if (NULL == n->child)
                   2038:                return(0);
                   2039:
1.141     kristaps 2040:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2041:
1.141     kristaps 2042:        assert(n->child->string);
1.102     kristaps 2043:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2044:        term_word(p, n->child->string);
1.1       kristaps 2045:        return(0);
                   2046: }
                   2047:
                   2048:
                   2049: /* ARGSUSED */
                   2050: static void
                   2051: termp_fo_post(DECL_ARGS)
                   2052: {
                   2053:
1.143     kristaps 2054:        if (MDOC_BODY != n->type)
                   2055:                return;
                   2056:
1.222     kristaps 2057:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2058:        term_word(p, ")");
                   2059:
1.222     kristaps 2060:        if (MDOC_SYNPRETTY & n->flags) {
                   2061:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2062:                term_word(p, ";");
1.222     kristaps 2063:        }
1.1       kristaps 2064: }
                   2065:
                   2066:
                   2067: /* ARGSUSED */
                   2068: static int
                   2069: termp_bf_pre(DECL_ARGS)
                   2070: {
                   2071:
1.86      kristaps 2072:        if (MDOC_HEAD == n->type)
1.1       kristaps 2073:                return(0);
1.86      kristaps 2074:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2075:                return(1);
                   2076:
1.202     kristaps 2077:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2078:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2079:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2080:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2081:        else
1.102     kristaps 2082:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2083:
                   2084:        return(1);
                   2085: }
                   2086:
                   2087:
                   2088: /* ARGSUSED */
                   2089: static int
                   2090: termp_sm_pre(DECL_ARGS)
                   2091: {
                   2092:
1.86      kristaps 2093:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2094:        if (0 == strcmp("on", n->child->string)) {
                   2095:                if (p->col)
                   2096:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2097:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2098:        } else
1.1       kristaps 2099:                p->flags |= TERMP_NONOSPACE;
                   2100:
                   2101:        return(0);
                   2102: }
                   2103:
                   2104:
                   2105: /* ARGSUSED */
                   2106: static int
                   2107: termp_ap_pre(DECL_ARGS)
                   2108: {
                   2109:
                   2110:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2111:        term_word(p, "'");
1.1       kristaps 2112:        p->flags |= TERMP_NOSPACE;
                   2113:        return(1);
                   2114: }
                   2115:
                   2116:
                   2117: /* ARGSUSED */
                   2118: static void
                   2119: termp____post(DECL_ARGS)
                   2120: {
1.184     kristaps 2121:
                   2122:        /*
                   2123:         * Handle lists of authors.  In general, print each followed by
                   2124:         * a comma.  Don't print the comma if there are only two
                   2125:         * authors.
                   2126:         */
                   2127:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2128:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2129:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2130:                                return;
1.1       kristaps 2131:
1.95      kristaps 2132:        /* TODO: %U. */
                   2133:
1.187     kristaps 2134:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2135:                return;
                   2136:
1.222     kristaps 2137:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2138:        if (NULL == n->next) {
                   2139:                term_word(p, ".");
                   2140:                p->flags |= TERMP_SENTENCE;
                   2141:        } else
                   2142:                term_word(p, ",");
1.1       kristaps 2143: }
                   2144:
                   2145:
                   2146: /* ARGSUSED */
                   2147: static int
1.102     kristaps 2148: termp_li_pre(DECL_ARGS)
                   2149: {
                   2150:
                   2151:        term_fontpush(p, TERMFONT_NONE);
                   2152:        return(1);
                   2153: }
                   2154:
                   2155:
                   2156: /* ARGSUSED */
                   2157: static int
1.1       kristaps 2158: termp_lk_pre(DECL_ARGS)
                   2159: {
1.181     kristaps 2160:        const struct mdoc_node *nn, *sv;
1.1       kristaps 2161:
1.102     kristaps 2162:        term_fontpush(p, TERMFONT_UNDER);
1.181     kristaps 2163:
                   2164:        nn = sv = n->child;
1.96      kristaps 2165:
1.195     kristaps 2166:        if (NULL == nn || NULL == nn->next)
1.12      kristaps 2167:                return(1);
                   2168:
1.181     kristaps 2169:        for (nn = nn->next; nn; nn = nn->next)
                   2170:                term_word(p, nn->string);
                   2171:
1.102     kristaps 2172:        term_fontpop(p);
1.96      kristaps 2173:
1.222     kristaps 2174:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 2175:        term_word(p, ":");
                   2176:
1.102     kristaps 2177:        term_fontpush(p, TERMFONT_BOLD);
1.181     kristaps 2178:        term_word(p, sv->string);
1.102     kristaps 2179:        term_fontpop(p);
1.12      kristaps 2180:
1.1       kristaps 2181:        return(0);
                   2182: }
                   2183:
1.159     schwarze 2184:
                   2185: /* ARGSUSED */
                   2186: static int
                   2187: termp_bk_pre(DECL_ARGS)
                   2188: {
                   2189:
1.161     schwarze 2190:        switch (n->type) {
                   2191:        case (MDOC_BLOCK):
1.166     kristaps 2192:                break;
1.161     schwarze 2193:        case (MDOC_HEAD):
                   2194:                return(0);
                   2195:        case (MDOC_BODY):
1.200     schwarze 2196:                if (n->parent->args || 0 == n->prev->nchild)
                   2197:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2198:                break;
1.161     schwarze 2199:        default:
                   2200:                abort();
1.166     kristaps 2201:                /* NOTREACHED */
1.161     schwarze 2202:        }
1.166     kristaps 2203:
                   2204:        return(1);
1.159     schwarze 2205: }
                   2206:
                   2207:
                   2208: /* ARGSUSED */
                   2209: static void
                   2210: termp_bk_post(DECL_ARGS)
                   2211: {
                   2212:
1.161     schwarze 2213:        if (MDOC_BODY == n->type)
                   2214:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2215: }
                   2216:
                   2217: /* ARGSUSED */
                   2218: static void
                   2219: termp__t_post(DECL_ARGS)
                   2220: {
                   2221:
                   2222:        /*
                   2223:         * If we're in an `Rs' and there's a journal present, then quote
                   2224:         * us instead of underlining us (for disambiguation).
                   2225:         */
1.217     schwarze 2226:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2227:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2228:                termp_quote_post(p, pair, m, n);
                   2229:
                   2230:        termp____post(p, pair, m, n);
                   2231: }
                   2232:
                   2233: /* ARGSUSED */
                   2234: static int
                   2235: termp__t_pre(DECL_ARGS)
                   2236: {
                   2237:
                   2238:        /*
                   2239:         * If we're in an `Rs' and there's a journal present, then quote
                   2240:         * us instead of underlining us (for disambiguation).
                   2241:         */
                   2242:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2243:                        n->parent->norm->Rs.quote_T)
1.203     kristaps 2244:                return(termp_quote_pre(p, pair, m, n));
                   2245:
                   2246:        term_fontpush(p, TERMFONT_UNDER);
                   2247:        return(1);
1.159     schwarze 2248: }
1.1       kristaps 2249:
                   2250: /* ARGSUSED */
                   2251: static int
1.69      kristaps 2252: termp_under_pre(DECL_ARGS)
1.1       kristaps 2253: {
                   2254:
1.102     kristaps 2255:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2256:        return(1);
                   2257: }

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