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Annotation of mandoc/mdoc_term.c, Revision 1.254

1.254   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.253 2013/12/24 20:45:27 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.250     schwarze    4:  * Copyright (c) 2010, 2012, 2013 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:
                     37: struct termpair {
                     38:        struct termpair  *ppair;
1.31      kristaps   39:        int               count;
1.1       kristaps   40: };
                     41:
1.31      kristaps   42: #define        DECL_ARGS struct termp *p, \
                     43:                  struct termpair *pair, \
1.245     schwarze   44:                  const struct mdoc_meta *meta, \
1.244     schwarze   45:                  struct mdoc_node *n
1.1       kristaps   46:
                     47: struct termact {
                     48:        int     (*pre)(DECL_ARGS);
                     49:        void    (*post)(DECL_ARGS);
                     50: };
                     51:
1.157     kristaps   52: static size_t    a2width(const struct termp *, const char *);
                     53: static size_t    a2height(const struct termp *, const char *);
                     54: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   55:
                     56: static void      print_bvspace(struct termp *,
1.151     kristaps   57:                        const struct mdoc_node *,
1.96      kristaps   58:                        const struct mdoc_node *);
1.102     kristaps   59: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   60: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   61: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   62: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   63: static void      synopsis_pre(struct termp *,
                     64:                        const struct mdoc_node *);
1.96      kristaps   65:
1.31      kristaps   66: static void      termp____post(DECL_ARGS);
1.203     kristaps   67: static void      termp__t_post(DECL_ARGS);
1.61      kristaps   68: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   69: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   70: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   71: static void      termp_bl_post(DECL_ARGS);
1.241     schwarze   72: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   73: static void      termp_fo_post(DECL_ARGS);
                     74: static void      termp_in_post(DECL_ARGS);
                     75: static void      termp_it_post(DECL_ARGS);
                     76: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   77: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   78: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   79: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   80: static void      termp_sh_post(DECL_ARGS);
                     81: static void      termp_ss_post(DECL_ARGS);
                     82:
1.184     kristaps   83: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   84: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   85: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   86: static int       termp_ap_pre(DECL_ARGS);
                     87: static int       termp_bd_pre(DECL_ARGS);
                     88: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   89: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   90: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   91: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   92: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   93: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   94: static int       termp_cd_pre(DECL_ARGS);
                     95: static int       termp_d1_pre(DECL_ARGS);
                     96: static int       termp_ex_pre(DECL_ARGS);
                     97: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   98: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_fl_pre(DECL_ARGS);
                    100: static int       termp_fn_pre(DECL_ARGS);
                    101: static int       termp_fo_pre(DECL_ARGS);
                    102: static int       termp_ft_pre(DECL_ARGS);
                    103: static int       termp_in_pre(DECL_ARGS);
                    104: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  105: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  106: static int       termp_lk_pre(DECL_ARGS);
                    107: static int       termp_nd_pre(DECL_ARGS);
                    108: static int       termp_nm_pre(DECL_ARGS);
                    109: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  110: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  111: static int       termp_rs_pre(DECL_ARGS);
                    112: static int       termp_rv_pre(DECL_ARGS);
                    113: static int       termp_sh_pre(DECL_ARGS);
                    114: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  115: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  116: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  117: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  118: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  119: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_xr_pre(DECL_ARGS);
                    121: static int       termp_xx_pre(DECL_ARGS);
                    122:
1.70      kristaps  123: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  124:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  125:        { NULL, NULL }, /* Dd */
                    126:        { NULL, NULL }, /* Dt */
                    127:        { NULL, NULL }, /* Os */
                    128:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    129:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  130:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  131:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    132:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  133:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    134:        { NULL, NULL }, /* Ed */
1.115     kristaps  135:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  136:        { NULL, NULL }, /* El */
                    137:        { termp_it_pre, termp_it_post }, /* It */
1.178     kristaps  138:        { termp_under_pre, NULL }, /* Ad */
1.61      kristaps  139:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  140:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  141:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  142:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  143:        { NULL, NULL }, /* Dv */
                    144:        { NULL, NULL }, /* Er */
                    145:        { NULL, NULL }, /* Ev */
                    146:        { termp_ex_pre, NULL }, /* Ex */
                    147:        { termp_fa_pre, NULL }, /* Fa */
1.241     schwarze  148:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  149:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  150:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  151:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  152:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  153:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  154:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  155:        { termp_nd_pre, NULL }, /* Nd */
1.164     schwarze  156:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  157:        { termp_quote_pre, termp_quote_post }, /* Op */
1.1       kristaps  158:        { NULL, NULL }, /* Ot */
1.69      kristaps  159:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  160:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  161:        { NULL, NULL }, /* St */
1.69      kristaps  162:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  163:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  164:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  165:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  166:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  167:        { NULL, termp____post }, /* %D */
1.84      kristaps  168:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  169:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  170:        { NULL, termp____post }, /* %N */
                    171:        { NULL, termp____post }, /* %O */
                    172:        { NULL, termp____post }, /* %P */
                    173:        { NULL, termp____post }, /* %R */
1.203     kristaps  174:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  175:        { NULL, termp____post }, /* %V */
                    176:        { NULL, NULL }, /* Ac */
1.188     kristaps  177:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    178:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  179:        { NULL, NULL }, /* At */
1.1       kristaps  180:        { NULL, NULL }, /* Bc */
                    181:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  182:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    183:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  184:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  185:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  186:        { NULL, NULL }, /* Db */
                    187:        { NULL, NULL }, /* Dc */
1.188     kristaps  188:        { termp_quote_pre, termp_quote_post }, /* Do */
                    189:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  190:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  191:        { NULL, NULL }, /* Ef */
1.69      kristaps  192:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  193:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  194:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  195:        { termp_bold_pre, NULL }, /* Ms */
1.254   ! schwarze  196:        { NULL, NULL }, /* No */
1.1       kristaps  197:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  198:        { termp_xx_pre, NULL }, /* Nx */
                    199:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  200:        { NULL, NULL }, /* Pc */
1.254   ! schwarze  201:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  202:        { termp_quote_pre, termp_quote_post }, /* Po */
                    203:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  204:        { NULL, NULL }, /* Qc */
1.188     kristaps  205:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    206:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    207:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  208:        { NULL, NULL }, /* Re */
                    209:        { termp_rs_pre, NULL }, /* Rs */
                    210:        { NULL, NULL }, /* Sc */
1.188     kristaps  211:        { termp_quote_pre, termp_quote_post }, /* So */
                    212:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  213:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  214:        { termp_under_pre, NULL }, /* Sx */
                    215:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  216:        { NULL, NULL }, /* Tn */
1.26      kristaps  217:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  218:        { NULL, NULL }, /* Xc */
                    219:        { NULL, NULL }, /* Xo */
                    220:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    221:        { NULL, NULL }, /* Fc */
1.188     kristaps  222:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  223:        { NULL, NULL }, /* Oc */
1.159     schwarze  224:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  225:        { NULL, NULL }, /* Ek */
                    226:        { termp_bt_pre, NULL }, /* Bt */
                    227:        { NULL, NULL }, /* Hf */
                    228:        { NULL, NULL }, /* Fr */
                    229:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  230:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  231:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  232:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  233:        { termp_under_pre, NULL }, /* Mt */
1.188     kristaps  234:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    235:        { termp_quote_pre, termp_quote_post }, /* Bro */
1.1       kristaps  236:        { NULL, NULL }, /* Brc */
1.83      kristaps  237:        { NULL, termp____post }, /* %C */
1.81      kristaps  238:        { NULL, NULL }, /* Es */ /* TODO */
                    239:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  240:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  241:        { NULL, termp____post }, /* %Q */
1.76      kristaps  242:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  243:        { termp_sp_pre, NULL }, /* sp */
1.243     schwarze  244:        { NULL, termp____post }, /* %U */
1.135     kristaps  245:        { NULL, NULL }, /* Ta */
1.1       kristaps  246: };
                    247:
                    248:
1.70      kristaps  249: void
1.89      kristaps  250: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  251: {
1.70      kristaps  252:        const struct mdoc_node  *n;
1.245     schwarze  253:        const struct mdoc_meta  *meta;
1.89      kristaps  254:        struct termp            *p;
                    255:
                    256:        p = (struct termp *)arg;
1.111     kristaps  257:
1.238     schwarze  258:        if (0 == p->defindent)
                    259:                p->defindent = 5;
                    260:
1.111     kristaps  261:        p->overstep = 0;
1.123     joerg     262:        p->maxrmargin = p->defrmargin;
1.157     kristaps  263:        p->tabwidth = term_len(p, 5);
1.89      kristaps  264:
                    265:        if (NULL == p->symtab)
1.230     kristaps  266:                p->symtab = mchars_alloc();
1.70      kristaps  267:
                    268:        n = mdoc_node(mdoc);
1.245     schwarze  269:        meta = mdoc_meta(mdoc);
1.146     schwarze  270:
1.245     schwarze  271:        term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70      kristaps  272:
                    273:        if (n->child)
1.245     schwarze  274:                print_mdoc_nodelist(p, NULL, meta, n->child);
1.144     kristaps  275:
                    276:        term_end(p);
1.1       kristaps  277: }
                    278:
                    279:
1.3       kristaps  280: static void
1.102     kristaps  281: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  282: {
                    283:
1.245     schwarze  284:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  285:        if (n->next)
1.245     schwarze  286:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  287: }
                    288:
                    289:
1.70      kristaps  290: /* ARGSUSED */
1.3       kristaps  291: static void
1.102     kristaps  292: print_mdoc_node(DECL_ARGS)
1.1       kristaps  293: {
1.102     kristaps  294:        int              chld;
1.1       kristaps  295:        struct termpair  npair;
1.30      kristaps  296:        size_t           offset, rmargin;
1.1       kristaps  297:
1.70      kristaps  298:        chld = 1;
1.29      kristaps  299:        offset = p->offset;
1.30      kristaps  300:        rmargin = p->rmargin;
1.244     schwarze  301:        n->prev_font = term_fontq(p);
1.29      kristaps  302:
1.97      kristaps  303:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  304:        npair.ppair = pair;
1.172     kristaps  305:
                    306:        /*
                    307:         * Keeps only work until the end of a line.  If a keep was
                    308:         * invoked in a prior line, revert it to PREKEEP.
                    309:         */
                    310:
1.253     schwarze  311:        if (TERMP_KEEP & p->flags) {
1.252     schwarze  312:                if (n->prev ? (n->prev->lastline != n->line) :
1.248     schwarze  313:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  314:                        p->flags &= ~TERMP_KEEP;
                    315:                        p->flags |= TERMP_PREKEEP;
                    316:                }
                    317:        }
1.197     schwarze  318:
                    319:        /*
1.217     schwarze  320:         * After the keep flags have been set up, we may now
                    321:         * produce output.  Note that some pre-handlers do so.
                    322:         */
                    323:
                    324:        switch (n->type) {
                    325:        case (MDOC_TEXT):
                    326:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    327:                        term_newln(p);
1.222     kristaps  328:                if (MDOC_DELIMC & n->flags)
                    329:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  330:                term_word(p, n->string);
1.222     kristaps  331:                if (MDOC_DELIMO & n->flags)
                    332:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  333:                break;
                    334:        case (MDOC_EQN):
1.233     kristaps  335:                term_eqn(p, n->eqn);
1.217     schwarze  336:                break;
                    337:        case (MDOC_TBL):
                    338:                term_tbl(p, n->span);
                    339:                break;
                    340:        default:
                    341:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    342:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  343:                                (p, &npair, meta, n);
1.217     schwarze  344:                break;
                    345:        }
                    346:
1.86      kristaps  347:        if (chld && n->child)
1.245     schwarze  348:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  349:
1.244     schwarze  350:        term_fontpopq(p,
                    351:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  352:
1.206     kristaps  353:        switch (n->type) {
                    354:        case (MDOC_TEXT):
                    355:                break;
                    356:        case (MDOC_TBL):
1.216     kristaps  357:                break;
                    358:        case (MDOC_EQN):
1.206     kristaps  359:                break;
                    360:        default:
                    361:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    362:                        break;
1.245     schwarze  363:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  364:
                    365:                /*
                    366:                 * Explicit end tokens not only call the post
                    367:                 * handler, but also tell the respective block
                    368:                 * that it must not call the post handler again.
                    369:                 */
1.165     kristaps  370:                if (ENDBODY_NOT != n->end)
1.162     schwarze  371:                        n->pending->flags |= MDOC_ENDED;
                    372:
                    373:                /*
                    374:                 * End of line terminating an implicit block
                    375:                 * while an explicit block is still open.
                    376:                 * Continue the explicit block without spacing.
                    377:                 */
                    378:                if (ENDBODY_NOSPACE == n->end)
                    379:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  380:                break;
1.162     schwarze  381:        }
1.121     kristaps  382:
                    383:        if (MDOC_EOS & n->flags)
                    384:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  385:
                    386:        p->offset = offset;
1.30      kristaps  387:        p->rmargin = rmargin;
1.1       kristaps  388: }
                    389:
                    390:
1.3       kristaps  391: static void
1.145     kristaps  392: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  393: {
1.245     schwarze  394:        const struct mdoc_meta *meta;
1.144     kristaps  395:
1.245     schwarze  396:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  397:
1.102     kristaps  398:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  399:
1.9       kristaps  400:        /*
                    401:         * Output the footer in new-groff style, that is, three columns
                    402:         * with the middle being the manual date and flanking columns
                    403:         * being the operating system:
                    404:         *
                    405:         * SYSTEM                  DATE                    SYSTEM
                    406:         */
                    407:
1.1       kristaps  408:        term_vspace(p);
                    409:
1.9       kristaps  410:        p->offset = 0;
1.157     kristaps  411:        p->rmargin = (p->maxrmargin -
1.245     schwarze  412:                        term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250     schwarze  413:        p->trailspace = 1;
1.1       kristaps  414:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    415:
1.245     schwarze  416:        term_word(p, meta->os);
1.1       kristaps  417:        term_flushln(p);
                    418:
1.9       kristaps  419:        p->offset = p->rmargin;
1.245     schwarze  420:        p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234     schwarze  421:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  422:
1.245     schwarze  423:        term_word(p, meta->date);
1.9       kristaps  424:        term_flushln(p);
                    425:
1.1       kristaps  426:        p->offset = p->rmargin;
                    427:        p->rmargin = p->maxrmargin;
1.250     schwarze  428:        p->trailspace = 0;
1.1       kristaps  429:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  430:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  431:
1.245     schwarze  432:        term_word(p, meta->os);
1.1       kristaps  433:        term_flushln(p);
                    434:
1.9       kristaps  435:        p->offset = 0;
                    436:        p->rmargin = p->maxrmargin;
                    437:        p->flags = 0;
1.1       kristaps  438: }
                    439:
                    440:
1.3       kristaps  441: static void
1.144     kristaps  442: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  443: {
1.98      kristaps  444:        char            buf[BUFSIZ], title[BUFSIZ];
1.235     schwarze  445:        size_t          buflen, titlen;
1.245     schwarze  446:        const struct mdoc_meta *meta;
1.144     kristaps  447:
1.245     schwarze  448:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  449:
                    450:        /*
                    451:         * The header is strange.  It has three components, which are
                    452:         * really two with the first duplicated.  It goes like this:
                    453:         *
                    454:         * IDENTIFIER              TITLE                   IDENTIFIER
                    455:         *
                    456:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    457:         * (if given, or "unknown" if not) followed by the manual page
                    458:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    459:         * string depending on the manual volume.  If not specified, it
                    460:         * switches on the manual section.
                    461:         */
                    462:
1.235     schwarze  463:        p->offset = 0;
                    464:        p->rmargin = p->maxrmargin;
                    465:
1.245     schwarze  466:        assert(meta->vol);
                    467:        strlcpy(buf, meta->vol, BUFSIZ);
1.235     schwarze  468:        buflen = term_strlen(p, buf);
1.1       kristaps  469:
1.245     schwarze  470:        if (meta->arch) {
1.98      kristaps  471:                strlcat(buf, " (", BUFSIZ);
1.245     schwarze  472:                strlcat(buf, meta->arch, BUFSIZ);
1.98      kristaps  473:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  474:        }
                    475:
1.245     schwarze  476:        snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.235     schwarze  477:        titlen = term_strlen(p, title);
1.1       kristaps  478:
1.235     schwarze  479:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  480:        p->trailspace = 1;
1.1       kristaps  481:        p->offset = 0;
1.235     schwarze  482:        p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
                    483:            (p->maxrmargin -
                    484:             term_strlen(p, buf) + term_len(p, 1)) / 2 :
                    485:            p->maxrmargin - buflen;
1.1       kristaps  486:
                    487:        term_word(p, title);
                    488:        term_flushln(p);
                    489:
1.235     schwarze  490:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  491:        p->offset = p->rmargin;
1.235     schwarze  492:        p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
                    493:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  494:
                    495:        term_word(p, buf);
                    496:        term_flushln(p);
                    497:
                    498:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  499:        p->trailspace = 0;
1.235     schwarze  500:        if (p->rmargin + titlen <= p->maxrmargin) {
                    501:                p->flags |= TERMP_NOSPACE;
                    502:                p->offset = p->rmargin;
                    503:                p->rmargin = p->maxrmargin;
                    504:                term_word(p, title);
                    505:                term_flushln(p);
                    506:        }
1.1       kristaps  507:
1.235     schwarze  508:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  509:        p->offset = 0;
1.1       kristaps  510:        p->rmargin = p->maxrmargin;
                    511: }
                    512:
                    513:
                    514: static size_t
1.157     kristaps  515: a2height(const struct termp *p, const char *v)
1.1       kristaps  516: {
1.92      kristaps  517:        struct roffsu    su;
1.91      kristaps  518:
1.231     kristaps  519:
1.157     kristaps  520:        assert(v);
                    521:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  522:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  523:
1.157     kristaps  524:        return(term_vspan(p, &su));
1.91      kristaps  525: }
1.1       kristaps  526:
1.40      kristaps  527:
1.91      kristaps  528: static size_t
1.157     kristaps  529: a2width(const struct termp *p, const char *v)
1.91      kristaps  530: {
1.92      kristaps  531:        struct roffsu    su;
1.1       kristaps  532:
1.154     kristaps  533:        assert(v);
                    534:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  535:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  536:
1.157     kristaps  537:        return(term_hspan(p, &su));
1.1       kristaps  538: }
                    539:
                    540:
                    541: static size_t
1.157     kristaps  542: a2offs(const struct termp *p, const char *v)
1.1       kristaps  543: {
1.92      kristaps  544:        struct roffsu    su;
1.1       kristaps  545:
1.148     kristaps  546:        if ('\0' == *v)
1.91      kristaps  547:                return(0);
1.148     kristaps  548:        else if (0 == strcmp(v, "left"))
1.19      kristaps  549:                return(0);
1.148     kristaps  550:        else if (0 == strcmp(v, "indent"))
1.238     schwarze  551:                return(term_len(p, p->defindent + 1));
1.148     kristaps  552:        else if (0 == strcmp(v, "indent-two"))
1.238     schwarze  553:                return(term_len(p, (p->defindent + 1) * 2));
1.148     kristaps  554:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  555:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  556:
1.157     kristaps  557:        return(term_hspan(p, &su));
1.1       kristaps  558: }
                    559:
                    560:
1.108     kristaps  561: /*
                    562:  * Determine how much space to print out before block elements of `It'
                    563:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    564:  * too.
                    565:  */
1.54      kristaps  566: static void
1.151     kristaps  567: print_bvspace(struct termp *p,
                    568:                const struct mdoc_node *bl,
                    569:                const struct mdoc_node *n)
1.1       kristaps  570: {
1.86      kristaps  571:        const struct mdoc_node  *nn;
1.236     schwarze  572:
                    573:        assert(n);
1.1       kristaps  574:
                    575:        term_newln(p);
1.150     kristaps  576:
1.202     kristaps  577:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  578:                return;
1.202     kristaps  579:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  580:                return;
                    581:
1.85      kristaps  582:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  583:
1.86      kristaps  584:        for (nn = n; nn; nn = nn->parent) {
                    585:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  586:                        continue;
1.86      kristaps  587:                if (MDOC_Ss == nn->tok)
1.54      kristaps  588:                        return;
1.86      kristaps  589:                if (MDOC_Sh == nn->tok)
1.54      kristaps  590:                        return;
1.86      kristaps  591:                if (NULL == nn->prev)
1.1       kristaps  592:                        continue;
                    593:                break;
                    594:        }
                    595:
1.85      kristaps  596:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  597:
1.202     kristaps  598:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  599:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  600:                        return;
                    601:
1.85      kristaps  602:        /* A `-diag' without body does not vspace. */
                    603:
1.202     kristaps  604:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  605:                if (n->prev && MDOC_It == n->prev->tok) {
                    606:                        assert(n->prev->body);
                    607:                        if (NULL == n->prev->body->child)
1.55      kristaps  608:                                return;
                    609:                }
                    610:
1.54      kristaps  611:        term_vspace(p);
1.1       kristaps  612: }
                    613:
                    614:
                    615: /* ARGSUSED */
                    616: static int
                    617: termp_it_pre(DECL_ARGS)
                    618: {
1.86      kristaps  619:        const struct mdoc_node *bl, *nn;
1.1       kristaps  620:        char                    buf[7];
1.170     kristaps  621:        int                     i;
1.108     kristaps  622:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  623:        enum mdoc_list          type;
1.1       kristaps  624:
1.86      kristaps  625:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  626:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  627:                return(1);
                    628:        }
1.1       kristaps  629:
1.86      kristaps  630:        bl = n->parent->parent->parent;
1.202     kristaps  631:        type = bl->norm->Bl.type;
1.1       kristaps  632:
1.108     kristaps  633:        /*
                    634:         * First calculate width and offset.  This is pretty easy unless
                    635:         * we're a -column list, in which case all prior columns must
                    636:         * be accounted for.
                    637:         */
                    638:
                    639:        width = offset = 0;
                    640:
1.202     kristaps  641:        if (bl->norm->Bl.offs)
                    642:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  643:
1.1       kristaps  644:        switch (type) {
1.126     kristaps  645:        case (LIST_column):
1.134     kristaps  646:                if (MDOC_HEAD == n->type)
1.1       kristaps  647:                        break;
1.155     kristaps  648:
1.105     kristaps  649:                /*
1.108     kristaps  650:                 * Imitate groff's column handling:
                    651:                 * - For each earlier column, add its width.
                    652:                 * - For less than 5 columns, add four more blanks per
                    653:                 *   column.
                    654:                 * - For exactly 5 columns, add three more blank per
                    655:                 *   column.
                    656:                 * - For more than 5 columns, add only one column.
1.105     kristaps  657:                 */
1.202     kristaps  658:                ncols = bl->norm->Bl.ncols;
1.170     kristaps  659:
1.108     kristaps  660:                /* LINTED */
1.157     kristaps  661:                dcol = ncols < 5 ? term_len(p, 4) :
                    662:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  663:
1.134     kristaps  664:                /*
                    665:                 * Calculate the offset by applying all prior MDOC_BODY,
                    666:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    667:                 */
                    668:
1.108     kristaps  669:                for (i = 0, nn = n->prev;
1.134     kristaps  670:                                nn->prev && i < (int)ncols;
1.108     kristaps  671:                                nn = nn->prev, i++)
                    672:                        offset += dcol + a2width
1.202     kristaps  673:                                (p, bl->norm->Bl.cols[i]);
1.105     kristaps  674:
                    675:                /*
1.108     kristaps  676:                 * When exceeding the declared number of columns, leave
                    677:                 * the remaining widths at 0.  This will later be
                    678:                 * adjusted to the default width of 10, or, for the last
                    679:                 * column, stretched to the right margin.
1.58      kristaps  680:                 */
1.108     kristaps  681:                if (i >= (int)ncols)
                    682:                        break;
1.58      kristaps  683:
1.105     kristaps  684:                /*
1.108     kristaps  685:                 * Use the declared column widths, extended as explained
                    686:                 * in the preceding paragraph.
1.105     kristaps  687:                 */
1.202     kristaps  688:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  689:                break;
                    690:        default:
1.202     kristaps  691:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  692:                        break;
                    693:
                    694:                /*
                    695:                 * Note: buffer the width by 2, which is groff's magic
                    696:                 * number for buffering single arguments.  See the above
                    697:                 * handling for column for how this changes.
                    698:                 */
1.202     kristaps  699:                assert(bl->norm->Bl.width);
                    700:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  701:                break;
                    702:        }
                    703:
                    704:        /*
                    705:         * List-type can override the width in the case of fixed-head
                    706:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  707:         * offset.
1.1       kristaps  708:         */
                    709:
                    710:        switch (type) {
1.126     kristaps  711:        case (LIST_bullet):
1.1       kristaps  712:                /* FALLTHROUGH */
1.126     kristaps  713:        case (LIST_dash):
1.1       kristaps  714:                /* FALLTHROUGH */
1.126     kristaps  715:        case (LIST_hyphen):
1.242     schwarze  716:                /* FALLTHROUGH */
1.126     kristaps  717:        case (LIST_enum):
1.242     schwarze  718:                if (width < term_len(p, 2))
                    719:                        width = term_len(p, 2);
1.17      kristaps  720:                break;
1.126     kristaps  721:        case (LIST_hang):
1.39      kristaps  722:                if (0 == width)
1.157     kristaps  723:                        width = term_len(p, 8);
1.39      kristaps  724:                break;
1.126     kristaps  725:        case (LIST_column):
1.49      kristaps  726:                /* FALLTHROUGH */
1.126     kristaps  727:        case (LIST_tag):
1.1       kristaps  728:                if (0 == width)
1.157     kristaps  729:                        width = term_len(p, 10);
1.1       kristaps  730:                break;
                    731:        default:
                    732:                break;
                    733:        }
                    734:
                    735:        /*
1.17      kristaps  736:         * Whitespace control.  Inset bodies need an initial space,
                    737:         * while diagonal bodies need two.
1.1       kristaps  738:         */
                    739:
1.51      kristaps  740:        p->flags |= TERMP_NOSPACE;
                    741:
1.1       kristaps  742:        switch (type) {
1.126     kristaps  743:        case (LIST_diag):
1.86      kristaps  744:                if (MDOC_BODY == n->type)
1.62      kristaps  745:                        term_word(p, "\\ \\ ");
1.51      kristaps  746:                break;
1.126     kristaps  747:        case (LIST_inset):
1.86      kristaps  748:                if (MDOC_BODY == n->type)
1.51      kristaps  749:                        term_word(p, "\\ ");
1.1       kristaps  750:                break;
                    751:        default:
                    752:                break;
                    753:        }
                    754:
1.51      kristaps  755:        p->flags |= TERMP_NOSPACE;
                    756:
1.1       kristaps  757:        switch (type) {
1.126     kristaps  758:        case (LIST_diag):
1.86      kristaps  759:                if (MDOC_HEAD == n->type)
1.102     kristaps  760:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  761:                break;
                    762:        default:
                    763:                break;
                    764:        }
                    765:
                    766:        /*
1.109     kristaps  767:         * Pad and break control.  This is the tricky part.  These flags
                    768:         * are documented in term_flushln() in term.c.  Note that we're
                    769:         * going to unset all of these flags in termp_it_post() when we
                    770:         * exit.
1.1       kristaps  771:         */
                    772:
                    773:        switch (type) {
1.242     schwarze  774:        case (LIST_enum):
                    775:                /*
                    776:                 * Weird special case.
                    777:                 * Very narrow enum lists actually hang.
                    778:                 */
                    779:                if (width == term_len(p, 2))
                    780:                        p->flags |= TERMP_HANG;
                    781:                /* FALLTHROUGH */
1.126     kristaps  782:        case (LIST_bullet):
1.1       kristaps  783:                /* FALLTHROUGH */
1.126     kristaps  784:        case (LIST_dash):
1.1       kristaps  785:                /* FALLTHROUGH */
1.126     kristaps  786:        case (LIST_hyphen):
1.250     schwarze  787:                if (MDOC_HEAD != n->type)
                    788:                        break;
                    789:                p->flags |= TERMP_NOBREAK;
                    790:                p->trailspace = 1;
1.39      kristaps  791:                break;
1.126     kristaps  792:        case (LIST_hang):
1.250     schwarze  793:                if (MDOC_HEAD != n->type)
1.59      kristaps  794:                        break;
                    795:
                    796:                /*
                    797:                 * This is ugly.  If `-hang' is specified and the body
                    798:                 * is a `Bl' or `Bd', then we want basically to nullify
                    799:                 * the "overstep" effect in term_flushln() and treat
                    800:                 * this as a `-ohang' list instead.
                    801:                 */
1.86      kristaps  802:                if (n->next->child &&
                    803:                                (MDOC_Bl == n->next->child->tok ||
1.234     schwarze  804:                                 MDOC_Bd == n->next->child->tok))
1.250     schwarze  805:                        break;
                    806:
                    807:                p->flags |= TERMP_NOBREAK | TERMP_HANG;
                    808:                p->trailspace = 1;
1.39      kristaps  809:                break;
1.126     kristaps  810:        case (LIST_tag):
1.86      kristaps  811:                if (MDOC_HEAD != n->type)
1.39      kristaps  812:                        break;
1.250     schwarze  813:
                    814:                p->flags |= TERMP_NOBREAK;
                    815:                p->trailspace = 2;
                    816:
1.86      kristaps  817:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  818:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  819:                break;
1.126     kristaps  820:        case (LIST_column):
1.134     kristaps  821:                if (MDOC_HEAD == n->type)
                    822:                        break;
                    823:
1.250     schwarze  824:                if (NULL == n->next) {
1.134     kristaps  825:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  826:                        p->trailspace = 0;
                    827:                } else {
1.134     kristaps  828:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  829:                        p->trailspace = 1;
                    830:                }
1.134     kristaps  831:
1.1       kristaps  832:                break;
1.126     kristaps  833:        case (LIST_diag):
1.250     schwarze  834:                if (MDOC_HEAD != n->type)
                    835:                        break;
                    836:                p->flags |= TERMP_NOBREAK;
                    837:                p->trailspace = 1;
1.1       kristaps  838:                break;
                    839:        default:
                    840:                break;
                    841:        }
                    842:
                    843:        /*
                    844:         * Margin control.  Set-head-width lists have their right
                    845:         * margins shortened.  The body for these lists has the offset
                    846:         * necessarily lengthened.  Everybody gets the offset.
                    847:         */
                    848:
                    849:        p->offset += offset;
                    850:
                    851:        switch (type) {
1.126     kristaps  852:        case (LIST_hang):
1.59      kristaps  853:                /*
                    854:                 * Same stipulation as above, regarding `-hang'.  We
                    855:                 * don't want to recalculate rmargin and offsets when
                    856:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    857:                 */
1.86      kristaps  858:                if (MDOC_HEAD == n->type && n->next->child &&
                    859:                                (MDOC_Bl == n->next->child->tok ||
                    860:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  861:                        break;
                    862:                /* FALLTHROUGH */
1.126     kristaps  863:        case (LIST_bullet):
1.1       kristaps  864:                /* FALLTHROUGH */
1.126     kristaps  865:        case (LIST_dash):
1.1       kristaps  866:                /* FALLTHROUGH */
1.126     kristaps  867:        case (LIST_enum):
1.1       kristaps  868:                /* FALLTHROUGH */
1.126     kristaps  869:        case (LIST_hyphen):
1.1       kristaps  870:                /* FALLTHROUGH */
1.126     kristaps  871:        case (LIST_tag):
1.49      kristaps  872:                assert(width);
1.86      kristaps  873:                if (MDOC_HEAD == n->type)
1.1       kristaps  874:                        p->rmargin = p->offset + width;
                    875:                else
                    876:                        p->offset += width;
                    877:                break;
1.126     kristaps  878:        case (LIST_column):
1.49      kristaps  879:                assert(width);
1.1       kristaps  880:                p->rmargin = p->offset + width;
1.50      kristaps  881:                /*
                    882:                 * XXX - this behaviour is not documented: the
                    883:                 * right-most column is filled to the right margin.
                    884:                 */
1.134     kristaps  885:                if (MDOC_HEAD == n->type)
                    886:                        break;
                    887:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  888:                        p->rmargin = p->maxrmargin;
1.1       kristaps  889:                break;
                    890:        default:
                    891:                break;
                    892:        }
                    893:
                    894:        /*
                    895:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  896:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  897:         */
                    898:
1.86      kristaps  899:        if (MDOC_HEAD == n->type)
1.1       kristaps  900:                switch (type) {
1.126     kristaps  901:                case (LIST_bullet):
1.102     kristaps  902:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  903:                        term_word(p, "\\[bu]");
1.102     kristaps  904:                        term_fontpop(p);
1.1       kristaps  905:                        break;
1.126     kristaps  906:                case (LIST_dash):
1.1       kristaps  907:                        /* FALLTHROUGH */
1.126     kristaps  908:                case (LIST_hyphen):
1.102     kristaps  909:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  910:                        term_word(p, "\\(hy");
1.102     kristaps  911:                        term_fontpop(p);
1.1       kristaps  912:                        break;
1.126     kristaps  913:                case (LIST_enum):
1.1       kristaps  914:                        (pair->ppair->ppair->count)++;
1.109     kristaps  915:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  916:                                        pair->ppair->ppair->count);
                    917:                        term_word(p, buf);
                    918:                        break;
                    919:                default:
                    920:                        break;
                    921:                }
                    922:
                    923:        /*
                    924:         * If we're not going to process our children, indicate so here.
                    925:         */
                    926:
                    927:        switch (type) {
1.126     kristaps  928:        case (LIST_bullet):
1.1       kristaps  929:                /* FALLTHROUGH */
1.126     kristaps  930:        case (LIST_item):
1.1       kristaps  931:                /* FALLTHROUGH */
1.126     kristaps  932:        case (LIST_dash):
1.1       kristaps  933:                /* FALLTHROUGH */
1.126     kristaps  934:        case (LIST_hyphen):
1.1       kristaps  935:                /* FALLTHROUGH */
1.126     kristaps  936:        case (LIST_enum):
1.86      kristaps  937:                if (MDOC_HEAD == n->type)
1.1       kristaps  938:                        return(0);
                    939:                break;
1.126     kristaps  940:        case (LIST_column):
1.134     kristaps  941:                if (MDOC_HEAD == n->type)
1.1       kristaps  942:                        return(0);
                    943:                break;
                    944:        default:
                    945:                break;
                    946:        }
                    947:
                    948:        return(1);
                    949: }
                    950:
                    951:
                    952: /* ARGSUSED */
                    953: static void
                    954: termp_it_post(DECL_ARGS)
                    955: {
1.126     kristaps  956:        enum mdoc_list     type;
1.1       kristaps  957:
1.109     kristaps  958:        if (MDOC_BLOCK == n->type)
1.1       kristaps  959:                return;
                    960:
1.202     kristaps  961:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  962:
                    963:        switch (type) {
1.126     kristaps  964:        case (LIST_item):
1.1       kristaps  965:                /* FALLTHROUGH */
1.126     kristaps  966:        case (LIST_diag):
1.53      kristaps  967:                /* FALLTHROUGH */
1.126     kristaps  968:        case (LIST_inset):
1.86      kristaps  969:                if (MDOC_BODY == n->type)
1.130     schwarze  970:                        term_newln(p);
1.1       kristaps  971:                break;
1.126     kristaps  972:        case (LIST_column):
1.134     kristaps  973:                if (MDOC_BODY == n->type)
1.1       kristaps  974:                        term_flushln(p);
                    975:                break;
                    976:        default:
1.130     schwarze  977:                term_newln(p);
1.1       kristaps  978:                break;
                    979:        }
                    980:
1.109     kristaps  981:        /*
                    982:         * Now that our output is flushed, we can reset our tags.  Since
                    983:         * only `It' sets these flags, we're free to assume that nobody
                    984:         * has munged them in the meanwhile.
                    985:         */
                    986:
                    987:        p->flags &= ~TERMP_DANGLE;
                    988:        p->flags &= ~TERMP_NOBREAK;
                    989:        p->flags &= ~TERMP_HANG;
1.250     schwarze  990:        p->trailspace = 0;
1.1       kristaps  991: }
                    992:
                    993:
                    994: /* ARGSUSED */
                    995: static int
                    996: termp_nm_pre(DECL_ARGS)
                    997: {
                    998:
1.253     schwarze  999:        if (MDOC_BLOCK == n->type) {
                   1000:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1001:                return(1);
1.253     schwarze 1002:        }
1.164     schwarze 1003:
                   1004:        if (MDOC_BODY == n->type) {
                   1005:                if (NULL == n->child)
                   1006:                        return(0);
1.234     schwarze 1007:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1008:                p->offset += term_len(p, 1) +
1.245     schwarze 1009:                    (NULL == n->prev->child ?
                   1010:                     term_strlen(p, meta->name) :
1.164     schwarze 1011:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1012:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1013:                     term_len(p, 5));
                   1014:                return(1);
                   1015:        }
                   1016:
1.245     schwarze 1017:        if (NULL == n->child && NULL == meta->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;
1.250     schwarze 1025:                p->trailspace = 1;
1.185     schwarze 1026:                p->rmargin = p->offset + term_len(p, 1);
                   1027:                if (NULL == n->child) {
1.245     schwarze 1028:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1029:                } else if (MDOC_TEXT == n->child->type) {
                   1030:                        p->rmargin += term_strlen(p, n->child->string);
                   1031:                        if (n->child->next)
                   1032:                                p->flags |= TERMP_HANG;
                   1033:                } else {
                   1034:                        p->rmargin += term_len(p, 5);
                   1035:                        p->flags |= TERMP_HANG;
                   1036:                }
1.164     schwarze 1037:        }
                   1038:
1.102     kristaps 1039:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1040:        if (NULL == n->child)
1.245     schwarze 1041:                term_word(p, meta->name);
1.1       kristaps 1042:        return(1);
                   1043: }
                   1044:
                   1045:
1.164     schwarze 1046: /* ARGSUSED */
                   1047: static void
                   1048: termp_nm_post(DECL_ARGS)
                   1049: {
                   1050:
1.253     schwarze 1051:        if (MDOC_BLOCK == n->type) {
                   1052:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
                   1053:        } else if (MDOC_HEAD == n->type && n->next->child) {
1.164     schwarze 1054:                term_flushln(p);
                   1055:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.250     schwarze 1056:                p->trailspace = 0;
1.234     schwarze 1057:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1058:                term_flushln(p);
                   1059: }
                   1060:
                   1061:
1.1       kristaps 1062: /* ARGSUSED */
                   1063: static int
                   1064: termp_fl_pre(DECL_ARGS)
                   1065: {
                   1066:
1.102     kristaps 1067:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1068:        term_word(p, "\\-");
1.103     kristaps 1069:
                   1070:        if (n->child)
1.114     kristaps 1071:                p->flags |= TERMP_NOSPACE;
                   1072:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1073:                p->flags |= TERMP_NOSPACE;
                   1074:
1.1       kristaps 1075:        return(1);
                   1076: }
                   1077:
                   1078:
                   1079: /* ARGSUSED */
                   1080: static int
1.184     kristaps 1081: termp__a_pre(DECL_ARGS)
                   1082: {
                   1083:
                   1084:        if (n->prev && MDOC__A == n->prev->tok)
                   1085:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1086:                        term_word(p, "and");
                   1087:
                   1088:        return(1);
                   1089: }
                   1090:
                   1091:
                   1092: /* ARGSUSED */
                   1093: static int
1.61      kristaps 1094: termp_an_pre(DECL_ARGS)
                   1095: {
                   1096:
1.86      kristaps 1097:        if (NULL == n->child)
1.61      kristaps 1098:                return(1);
                   1099:
                   1100:        /*
1.85      kristaps 1101:         * If not in the AUTHORS section, `An -split' will cause
                   1102:         * newlines to occur before the author name.  If in the AUTHORS
                   1103:         * section, by default, the first `An' invocation is nosplit,
                   1104:         * then all subsequent ones, regardless of whether interspersed
                   1105:         * with other macros/text, are split.  -split, in this case,
                   1106:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1107:         */
                   1108:
1.86      kristaps 1109:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1110:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1111:                        if (TERMP_SPLIT & p->flags)
                   1112:                                term_newln(p);
                   1113:                        return(1);
                   1114:                }
                   1115:                if (TERMP_NOSPLIT & p->flags)
                   1116:                        return(1);
                   1117:                term_newln(p);
                   1118:                return(1);
                   1119:        }
                   1120:
                   1121:        if (TERMP_SPLIT & p->flags)
                   1122:                term_newln(p);
                   1123:
                   1124:        return(1);
                   1125: }
                   1126:
                   1127:
                   1128: /* ARGSUSED */
                   1129: static void
                   1130: termp_an_post(DECL_ARGS)
                   1131: {
                   1132:
1.86      kristaps 1133:        if (n->child) {
                   1134:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1135:                        p->flags |= TERMP_ANPREC;
                   1136:                return;
                   1137:        }
                   1138:
1.202     kristaps 1139:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1140:                p->flags &= ~TERMP_NOSPLIT;
                   1141:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1142:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1143:                p->flags &= ~TERMP_SPLIT;
                   1144:                p->flags |= TERMP_NOSPLIT;
                   1145:        }
                   1146:
                   1147: }
                   1148:
                   1149:
                   1150: /* ARGSUSED */
                   1151: static int
1.1       kristaps 1152: termp_ns_pre(DECL_ARGS)
                   1153: {
                   1154:
1.215     kristaps 1155:        if ( ! (MDOC_LINE & n->flags))
                   1156:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1157:        return(1);
                   1158: }
                   1159:
                   1160:
                   1161: /* ARGSUSED */
                   1162: static int
                   1163: termp_rs_pre(DECL_ARGS)
                   1164: {
                   1165:
1.86      kristaps 1166:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1167:                return(1);
1.86      kristaps 1168:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1169:                term_vspace(p);
                   1170:        return(1);
                   1171: }
                   1172:
                   1173:
                   1174: /* ARGSUSED */
                   1175: static int
                   1176: termp_rv_pre(DECL_ARGS)
                   1177: {
1.223     kristaps 1178:        int              nchild;
1.1       kristaps 1179:
                   1180:        term_newln(p);
                   1181:        term_word(p, "The");
                   1182:
1.223     kristaps 1183:        nchild = n->nchild;
                   1184:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1185:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1186:                term_word(p, n->string);
1.102     kristaps 1187:                term_fontpop(p);
1.224     kristaps 1188:
1.68      kristaps 1189:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1190:                term_word(p, "()");
                   1191:
                   1192:                if (nchild > 2 && n->next) {
                   1193:                        p->flags |= TERMP_NOSPACE;
                   1194:                        term_word(p, ",");
                   1195:                }
                   1196:
                   1197:                if (n->next && NULL == n->next->next)
                   1198:                        term_word(p, "and");
1.68      kristaps 1199:        }
                   1200:
1.223     kristaps 1201:        if (nchild > 1)
1.68      kristaps 1202:                term_word(p, "functions return");
                   1203:        else
                   1204:                term_word(p, "function returns");
1.1       kristaps 1205:
1.68      kristaps 1206:                term_word(p, "the value 0 if successful; otherwise the value "
                   1207:                        "-1 is returned and the global variable");
1.1       kristaps 1208:
1.102     kristaps 1209:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1210:        term_word(p, "errno");
1.102     kristaps 1211:        term_fontpop(p);
1.1       kristaps 1212:
                   1213:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1214:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1215:
1.68      kristaps 1216:        return(0);
1.1       kristaps 1217: }
                   1218:
                   1219:
                   1220: /* ARGSUSED */
                   1221: static int
                   1222: termp_ex_pre(DECL_ARGS)
                   1223: {
1.224     kristaps 1224:        int              nchild;
1.1       kristaps 1225:
1.224     kristaps 1226:        term_newln(p);
1.68      kristaps 1227:        term_word(p, "The");
1.1       kristaps 1228:
1.224     kristaps 1229:        nchild = n->nchild;
                   1230:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1231:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1232:                term_word(p, n->string);
1.102     kristaps 1233:                term_fontpop(p);
1.224     kristaps 1234:
                   1235:                if (nchild > 2 && n->next) {
                   1236:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1237:                        term_word(p, ",");
1.224     kristaps 1238:                }
                   1239:
                   1240:                if (n->next && NULL == n->next->next)
                   1241:                        term_word(p, "and");
1.68      kristaps 1242:        }
                   1243:
1.224     kristaps 1244:        if (nchild > 1)
1.68      kristaps 1245:                term_word(p, "utilities exit");
                   1246:        else
                   1247:                term_word(p, "utility exits");
                   1248:
                   1249:                term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1250:
1.131     kristaps 1251:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1252:        return(0);
1.1       kristaps 1253: }
                   1254:
                   1255:
                   1256: /* ARGSUSED */
                   1257: static int
                   1258: termp_nd_pre(DECL_ARGS)
                   1259: {
1.25      kristaps 1260:
1.86      kristaps 1261:        if (MDOC_BODY != n->type)
1.25      kristaps 1262:                return(1);
1.30      kristaps 1263:
1.27      kristaps 1264: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1265:        term_word(p, "\\(en");
1.23      kristaps 1266: #else
                   1267:        term_word(p, "\\(em");
                   1268: #endif
1.1       kristaps 1269:        return(1);
1.115     kristaps 1270: }
                   1271:
                   1272:
                   1273: /* ARGSUSED */
                   1274: static int
                   1275: termp_bl_pre(DECL_ARGS)
                   1276: {
                   1277:
                   1278:        return(MDOC_HEAD != n->type);
1.1       kristaps 1279: }
                   1280:
                   1281:
                   1282: /* ARGSUSED */
                   1283: static void
                   1284: termp_bl_post(DECL_ARGS)
                   1285: {
                   1286:
1.86      kristaps 1287:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1288:                term_newln(p);
                   1289: }
                   1290:
                   1291: /* ARGSUSED */
                   1292: static int
                   1293: termp_xr_pre(DECL_ARGS)
                   1294: {
                   1295:
1.225     kristaps 1296:        if (NULL == (n = n->child))
1.113     kristaps 1297:                return(0);
                   1298:
1.225     kristaps 1299:        assert(MDOC_TEXT == n->type);
                   1300:        term_word(p, n->string);
1.11      kristaps 1301:
1.225     kristaps 1302:        if (NULL == (n = n->next))
1.1       kristaps 1303:                return(0);
1.225     kristaps 1304:
1.1       kristaps 1305:        p->flags |= TERMP_NOSPACE;
                   1306:        term_word(p, "(");
1.222     kristaps 1307:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1308:
                   1309:        assert(MDOC_TEXT == n->type);
                   1310:        term_word(p, n->string);
                   1311:
1.222     kristaps 1312:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1313:        term_word(p, ")");
1.86      kristaps 1314:
1.1       kristaps 1315:        return(0);
                   1316: }
                   1317:
1.143     kristaps 1318: /*
                   1319:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1320:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1321:  * macro combos).
                   1322:  */
                   1323: static void
                   1324: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1325: {
                   1326:        /*
                   1327:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1328:         * exist, do nothing.
                   1329:         */
1.160     kristaps 1330:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1331:                return;
                   1332:
                   1333:        /*
                   1334:         * If we're the second in a pair of like elements, emit our
                   1335:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1336:         * case we soldier on.
                   1337:         */
                   1338:        if (n->prev->tok == n->tok &&
                   1339:                        MDOC_Ft != n->tok &&
                   1340:                        MDOC_Fo != n->tok &&
                   1341:                        MDOC_Fn != n->tok) {
                   1342:                term_newln(p);
                   1343:                return;
                   1344:        }
                   1345:
                   1346:        /*
                   1347:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1348:         * another (or Fn/Fo, which we've let slip through) then assert
                   1349:         * vertical space, else only newline and move on.
                   1350:         */
                   1351:        switch (n->prev->tok) {
                   1352:        case (MDOC_Fd):
                   1353:                /* FALLTHROUGH */
                   1354:        case (MDOC_Fn):
                   1355:                /* FALLTHROUGH */
                   1356:        case (MDOC_Fo):
                   1357:                /* FALLTHROUGH */
                   1358:        case (MDOC_In):
                   1359:                /* FALLTHROUGH */
                   1360:        case (MDOC_Vt):
                   1361:                term_vspace(p);
                   1362:                break;
                   1363:        case (MDOC_Ft):
                   1364:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1365:                        term_vspace(p);
                   1366:                        break;
                   1367:                }
                   1368:                /* FALLTHROUGH */
                   1369:        default:
                   1370:                term_newln(p);
                   1371:                break;
                   1372:        }
                   1373: }
                   1374:
                   1375:
1.110     kristaps 1376: static int
                   1377: termp_vt_pre(DECL_ARGS)
                   1378: {
                   1379:
1.143     kristaps 1380:        if (MDOC_ELEM == n->type) {
                   1381:                synopsis_pre(p, n);
1.245     schwarze 1382:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1383:        } else if (MDOC_BLOCK == n->type) {
                   1384:                synopsis_pre(p, n);
                   1385:                return(1);
                   1386:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1387:                return(0);
                   1388:
1.245     schwarze 1389:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1390: }
                   1391:
                   1392:
1.1       kristaps 1393: /* ARGSUSED */
                   1394: static int
1.69      kristaps 1395: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1396: {
                   1397:
1.102     kristaps 1398:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1399:        return(1);
                   1400: }
                   1401:
                   1402:
                   1403: /* ARGSUSED */
1.143     kristaps 1404: static int
                   1405: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1406: {
                   1407:
1.143     kristaps 1408:        synopsis_pre(p, n);
1.245     schwarze 1409:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1410: }
                   1411:
                   1412:
                   1413: /* ARGSUSED */
1.241     schwarze 1414: static void
                   1415: termp_fd_post(DECL_ARGS)
                   1416: {
                   1417:
                   1418:        term_newln(p);
                   1419: }
                   1420:
                   1421:
                   1422: /* ARGSUSED */
1.1       kristaps 1423: static int
                   1424: termp_sh_pre(DECL_ARGS)
                   1425: {
1.85      kristaps 1426:
                   1427:        /* No vspace between consecutive `Sh' calls. */
                   1428:
1.86      kristaps 1429:        switch (n->type) {
1.65      kristaps 1430:        case (MDOC_BLOCK):
1.86      kristaps 1431:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1432:                        if (NULL == n->prev->body->child)
1.65      kristaps 1433:                                break;
                   1434:                term_vspace(p);
                   1435:                break;
1.1       kristaps 1436:        case (MDOC_HEAD):
1.102     kristaps 1437:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1438:                break;
                   1439:        case (MDOC_BODY):
1.238     schwarze 1440:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1441:                if (SEC_AUTHORS == n->sec)
                   1442:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1443:                break;
                   1444:        default:
                   1445:                break;
                   1446:        }
                   1447:        return(1);
                   1448: }
                   1449:
                   1450:
                   1451: /* ARGSUSED */
                   1452: static void
                   1453: termp_sh_post(DECL_ARGS)
                   1454: {
                   1455:
1.86      kristaps 1456:        switch (n->type) {
1.1       kristaps 1457:        case (MDOC_HEAD):
                   1458:                term_newln(p);
                   1459:                break;
                   1460:        case (MDOC_BODY):
                   1461:                term_newln(p);
                   1462:                p->offset = 0;
                   1463:                break;
                   1464:        default:
                   1465:                break;
                   1466:        }
                   1467: }
                   1468:
                   1469:
                   1470: /* ARGSUSED */
                   1471: static int
                   1472: termp_bt_pre(DECL_ARGS)
                   1473: {
                   1474:
                   1475:        term_word(p, "is currently in beta test.");
1.131     kristaps 1476:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1477:        return(0);
1.1       kristaps 1478: }
                   1479:
                   1480:
                   1481: /* ARGSUSED */
                   1482: static void
                   1483: termp_lb_post(DECL_ARGS)
                   1484: {
                   1485:
1.122     kristaps 1486:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1487:                term_newln(p);
1.1       kristaps 1488: }
                   1489:
                   1490:
                   1491: /* ARGSUSED */
                   1492: static int
                   1493: termp_ud_pre(DECL_ARGS)
                   1494: {
                   1495:
                   1496:        term_word(p, "currently under development.");
1.131     kristaps 1497:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1498:        return(0);
1.1       kristaps 1499: }
                   1500:
                   1501:
                   1502: /* ARGSUSED */
                   1503: static int
                   1504: termp_d1_pre(DECL_ARGS)
                   1505: {
                   1506:
1.86      kristaps 1507:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1508:                return(1);
                   1509:        term_newln(p);
1.238     schwarze 1510:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1511:        return(1);
                   1512: }
                   1513:
                   1514:
                   1515: /* ARGSUSED */
                   1516: static int
                   1517: termp_ft_pre(DECL_ARGS)
                   1518: {
                   1519:
1.141     kristaps 1520:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1521:        synopsis_pre(p, n);
1.102     kristaps 1522:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1523:        return(1);
                   1524: }
                   1525:
                   1526:
                   1527: /* ARGSUSED */
                   1528: static int
                   1529: termp_fn_pre(DECL_ARGS)
                   1530: {
1.251     schwarze 1531:        size_t           width, rmargin = 0;
1.226     kristaps 1532:        int              pretty;
                   1533:
                   1534:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1535:
1.143     kristaps 1536:        synopsis_pre(p, n);
1.139     kristaps 1537:
1.226     kristaps 1538:        if (NULL == (n = n->child))
                   1539:                return(0);
                   1540:
1.251     schwarze 1541:        if (pretty) {
                   1542:                width = term_len(p, 4);
                   1543:                rmargin = p->rmargin;
                   1544:                p->rmargin = p->offset + width;
                   1545:                p->flags |= TERMP_NOBREAK | TERMP_HANG;
                   1546:        }
                   1547:
1.226     kristaps 1548:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1549:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1550:        term_word(p, n->string);
1.102     kristaps 1551:        term_fontpop(p);
1.1       kristaps 1552:
1.251     schwarze 1553:        if (pretty) {
                   1554:                term_flushln(p);
                   1555:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1556:                p->offset = p->rmargin;
                   1557:                p->rmargin = rmargin;
                   1558:        }
                   1559:
1.1       kristaps 1560:        p->flags |= TERMP_NOSPACE;
                   1561:        term_word(p, "(");
1.222     kristaps 1562:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1563:
1.226     kristaps 1564:        for (n = n->next; n; n = n->next) {
                   1565:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1566:                term_fontpush(p, TERMFONT_UNDER);
1.226     kristaps 1567:                term_word(p, n->string);
1.102     kristaps 1568:                term_fontpop(p);
                   1569:
1.226     kristaps 1570:                if (n->next) {
1.222     kristaps 1571:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1572:                        term_word(p, ",");
1.222     kristaps 1573:                }
1.1       kristaps 1574:        }
                   1575:
1.222     kristaps 1576:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1577:        term_word(p, ")");
                   1578:
1.226     kristaps 1579:        if (pretty) {
1.222     kristaps 1580:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1581:                term_word(p, ";");
1.251     schwarze 1582:                term_flushln(p);
1.222     kristaps 1583:        }
1.1       kristaps 1584:
                   1585:        return(0);
                   1586: }
                   1587:
                   1588:
                   1589: /* ARGSUSED */
                   1590: static int
                   1591: termp_fa_pre(DECL_ARGS)
                   1592: {
1.86      kristaps 1593:        const struct mdoc_node  *nn;
1.1       kristaps 1594:
1.86      kristaps 1595:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1596:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1597:                return(1);
                   1598:        }
                   1599:
1.86      kristaps 1600:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1601:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1602:                term_word(p, nn->string);
1.102     kristaps 1603:                term_fontpop(p);
                   1604:
1.222     kristaps 1605:                if (nn->next) {
                   1606:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1607:                        term_word(p, ",");
1.222     kristaps 1608:                }
1.1       kristaps 1609:        }
                   1610:
1.222     kristaps 1611:        if (n->child && n->next && n->next->tok == MDOC_Fa) {
                   1612:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1613:                term_word(p, ",");
1.222     kristaps 1614:        }
1.1       kristaps 1615:
                   1616:        return(0);
                   1617: }
                   1618:
                   1619:
                   1620: /* ARGSUSED */
                   1621: static int
                   1622: termp_bd_pre(DECL_ARGS)
                   1623: {
1.179     kristaps 1624:        size_t                   tabwidth, rm, rmax;
1.244     schwarze 1625:        struct mdoc_node        *nn;
1.1       kristaps 1626:
1.86      kristaps 1627:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1628:                print_bvspace(p, n, n);
1.54      kristaps 1629:                return(1);
1.116     kristaps 1630:        } else if (MDOC_HEAD == n->type)
                   1631:                return(0);
1.1       kristaps 1632:
1.202     kristaps 1633:        if (n->norm->Bd.offs)
                   1634:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1635:
                   1636:        /*
                   1637:         * If -ragged or -filled are specified, the block does nothing
                   1638:         * but change the indentation.  If -unfilled or -literal are
                   1639:         * specified, text is printed exactly as entered in the display:
                   1640:         * for macro lines, a newline is appended to the line.  Blank
                   1641:         * lines are allowed.
                   1642:         */
1.60      kristaps 1643:
1.202     kristaps 1644:        if (DISP_literal != n->norm->Bd.type &&
                   1645:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1646:                return(1);
                   1647:
1.129     schwarze 1648:        tabwidth = p->tabwidth;
1.208     kristaps 1649:        if (DISP_literal == n->norm->Bd.type)
                   1650:                p->tabwidth = term_len(p, 8);
                   1651:
1.119     kristaps 1652:        rm = p->rmargin;
                   1653:        rmax = p->maxrmargin;
1.120     kristaps 1654:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1655:
1.86      kristaps 1656:        for (nn = n->child; nn; nn = nn->next) {
1.245     schwarze 1657:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1658:                /*
                   1659:                 * If the printed node flushes its own line, then we
                   1660:                 * needn't do it here as well.  This is hacky, but the
                   1661:                 * notion of selective eoln whitespace is pretty dumb
                   1662:                 * anyway, so don't sweat it.
                   1663:                 */
                   1664:                switch (nn->tok) {
1.193     kristaps 1665:                case (MDOC_Sm):
                   1666:                        /* FALLTHROUGH */
1.190     kristaps 1667:                case (MDOC_br):
                   1668:                        /* FALLTHROUGH */
                   1669:                case (MDOC_sp):
                   1670:                        /* FALLTHROUGH */
                   1671:                case (MDOC_Bl):
1.196     kristaps 1672:                        /* FALLTHROUGH */
                   1673:                case (MDOC_D1):
                   1674:                        /* FALLTHROUGH */
                   1675:                case (MDOC_Dl):
1.190     kristaps 1676:                        /* FALLTHROUGH */
                   1677:                case (MDOC_Lp):
                   1678:                        /* FALLTHROUGH */
                   1679:                case (MDOC_Pp):
                   1680:                        continue;
                   1681:                default:
                   1682:                        break;
                   1683:                }
1.180     schwarze 1684:                if (nn->next && nn->next->line == nn->line)
                   1685:                        continue;
                   1686:                term_flushln(p);
                   1687:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1688:        }
1.147     kristaps 1689:
1.129     schwarze 1690:        p->tabwidth = tabwidth;
1.119     kristaps 1691:        p->rmargin = rm;
                   1692:        p->maxrmargin = rmax;
1.1       kristaps 1693:        return(0);
                   1694: }
                   1695:
                   1696:
                   1697: /* ARGSUSED */
                   1698: static void
                   1699: termp_bd_post(DECL_ARGS)
                   1700: {
1.119     kristaps 1701:        size_t           rm, rmax;
1.1       kristaps 1702:
1.86      kristaps 1703:        if (MDOC_BODY != n->type)
1.1       kristaps 1704:                return;
1.118     kristaps 1705:
1.119     kristaps 1706:        rm = p->rmargin;
                   1707:        rmax = p->maxrmargin;
1.118     kristaps 1708:
1.202     kristaps 1709:        if (DISP_literal == n->norm->Bd.type ||
                   1710:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1711:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1712:
1.60      kristaps 1713:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1714:        term_newln(p);
1.118     kristaps 1715:
1.119     kristaps 1716:        p->rmargin = rm;
                   1717:        p->maxrmargin = rmax;
1.1       kristaps 1718: }
                   1719:
                   1720:
                   1721: /* ARGSUSED */
1.211     kristaps 1722: static int
                   1723: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1724: {
                   1725:
1.211     kristaps 1726:        if (NULL != (n = n->child)) {
                   1727:                term_word(p, n->string);
                   1728:                p->flags |= TERMP_NOSPACE;
                   1729:                term_word(p, "BSD");
                   1730:        } else {
                   1731:                term_word(p, "BSD");
                   1732:                return(0);
                   1733:        }
                   1734:
                   1735:        if (NULL != (n = n->next)) {
                   1736:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1737:                term_word(p, "-");
1.1       kristaps 1738:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1739:                term_word(p, n->string);
1.211     kristaps 1740:        }
                   1741:
                   1742:        return(0);
1.1       kristaps 1743: }
                   1744:
                   1745:
                   1746: /* ARGSUSED */
                   1747: static int
1.26      kristaps 1748: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1749: {
1.26      kristaps 1750:        const char      *pp;
1.218     schwarze 1751:        int              flags;
1.1       kristaps 1752:
1.26      kristaps 1753:        pp = NULL;
1.86      kristaps 1754:        switch (n->tok) {
1.26      kristaps 1755:        case (MDOC_Bsx):
1.194     schwarze 1756:                pp = "BSD/OS";
1.26      kristaps 1757:                break;
                   1758:        case (MDOC_Dx):
1.100     kristaps 1759:                pp = "DragonFly";
1.26      kristaps 1760:                break;
                   1761:        case (MDOC_Fx):
                   1762:                pp = "FreeBSD";
                   1763:                break;
                   1764:        case (MDOC_Nx):
                   1765:                pp = "NetBSD";
                   1766:                break;
                   1767:        case (MDOC_Ox):
                   1768:                pp = "OpenBSD";
                   1769:                break;
                   1770:        case (MDOC_Ux):
                   1771:                pp = "UNIX";
                   1772:                break;
                   1773:        default:
1.246     schwarze 1774:                abort();
                   1775:                /* NOTREACHED */
1.26      kristaps 1776:        }
1.1       kristaps 1777:
1.26      kristaps 1778:        term_word(p, pp);
1.214     kristaps 1779:        if (n->child) {
1.218     schwarze 1780:                flags = p->flags;
1.214     kristaps 1781:                p->flags |= TERMP_KEEP;
                   1782:                term_word(p, n->child->string);
1.218     schwarze 1783:                p->flags = flags;
1.214     kristaps 1784:        }
                   1785:        return(0);
1.1       kristaps 1786: }
                   1787:
                   1788:
                   1789: /* ARGSUSED */
                   1790: static void
                   1791: termp_pf_post(DECL_ARGS)
                   1792: {
                   1793:
                   1794:        p->flags |= TERMP_NOSPACE;
                   1795: }
                   1796:
                   1797:
                   1798: /* ARGSUSED */
                   1799: static int
                   1800: termp_ss_pre(DECL_ARGS)
                   1801: {
                   1802:
1.86      kristaps 1803:        switch (n->type) {
1.1       kristaps 1804:        case (MDOC_BLOCK):
                   1805:                term_newln(p);
1.86      kristaps 1806:                if (n->prev)
1.1       kristaps 1807:                        term_vspace(p);
                   1808:                break;
                   1809:        case (MDOC_HEAD):
1.102     kristaps 1810:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1811:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1812:                break;
                   1813:        default:
                   1814:                break;
                   1815:        }
                   1816:
                   1817:        return(1);
                   1818: }
                   1819:
                   1820:
                   1821: /* ARGSUSED */
                   1822: static void
                   1823: termp_ss_post(DECL_ARGS)
                   1824: {
                   1825:
1.86      kristaps 1826:        if (MDOC_HEAD == n->type)
1.1       kristaps 1827:                term_newln(p);
                   1828: }
                   1829:
                   1830:
                   1831: /* ARGSUSED */
                   1832: static int
                   1833: termp_cd_pre(DECL_ARGS)
                   1834: {
                   1835:
1.143     kristaps 1836:        synopsis_pre(p, n);
1.102     kristaps 1837:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1838:        return(1);
                   1839: }
                   1840:
                   1841:
                   1842: /* ARGSUSED */
                   1843: static int
                   1844: termp_in_pre(DECL_ARGS)
                   1845: {
1.142     schwarze 1846:
1.143     kristaps 1847:        synopsis_pre(p, n);
1.1       kristaps 1848:
1.160     kristaps 1849:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1850:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1851:                term_word(p, "#include");
1.138     kristaps 1852:                term_word(p, "<");
                   1853:        } else {
                   1854:                term_word(p, "<");
                   1855:                term_fontpush(p, TERMFONT_UNDER);
                   1856:        }
1.22      kristaps 1857:
1.1       kristaps 1858:        p->flags |= TERMP_NOSPACE;
                   1859:        return(1);
                   1860: }
                   1861:
                   1862:
                   1863: /* ARGSUSED */
                   1864: static void
                   1865: termp_in_post(DECL_ARGS)
                   1866: {
                   1867:
1.160     kristaps 1868:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1869:                term_fontpush(p, TERMFONT_BOLD);
                   1870:
1.79      kristaps 1871:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1872:        term_word(p, ">");
                   1873:
1.160     kristaps 1874:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1875:                term_fontpop(p);
1.1       kristaps 1876: }
                   1877:
                   1878:
                   1879: /* ARGSUSED */
                   1880: static int
1.45      kristaps 1881: termp_sp_pre(DECL_ARGS)
                   1882: {
1.91      kristaps 1883:        size_t           i, len;
1.45      kristaps 1884:
1.86      kristaps 1885:        switch (n->tok) {
1.76      kristaps 1886:        case (MDOC_sp):
1.157     kristaps 1887:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1888:                break;
                   1889:        case (MDOC_br):
                   1890:                len = 0;
                   1891:                break;
                   1892:        default:
                   1893:                len = 1;
                   1894:                break;
1.45      kristaps 1895:        }
                   1896:
                   1897:        if (0 == len)
                   1898:                term_newln(p);
                   1899:        for (i = 0; i < len; i++)
                   1900:                term_vspace(p);
                   1901:
                   1902:        return(0);
                   1903: }
                   1904:
                   1905:
1.189     kristaps 1906: /* ARGSUSED */
1.45      kristaps 1907: static int
1.188     kristaps 1908: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1909: {
                   1910:
1.203     kristaps 1911:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1912:                return(1);
                   1913:
1.188     kristaps 1914:        switch (n->tok) {
                   1915:        case (MDOC_Ao):
                   1916:                /* FALLTHROUGH */
                   1917:        case (MDOC_Aq):
                   1918:                term_word(p, "<");
                   1919:                break;
                   1920:        case (MDOC_Bro):
                   1921:                /* FALLTHROUGH */
                   1922:        case (MDOC_Brq):
                   1923:                term_word(p, "{");
                   1924:                break;
                   1925:        case (MDOC_Oo):
                   1926:                /* FALLTHROUGH */
                   1927:        case (MDOC_Op):
                   1928:                /* FALLTHROUGH */
                   1929:        case (MDOC_Bo):
                   1930:                /* FALLTHROUGH */
                   1931:        case (MDOC_Bq):
                   1932:                term_word(p, "[");
                   1933:                break;
                   1934:        case (MDOC_Do):
                   1935:                /* FALLTHROUGH */
                   1936:        case (MDOC_Dq):
1.249     schwarze 1937:                term_word(p, "\\(lq");
1.188     kristaps 1938:                break;
1.237     schwarze 1939:        case (MDOC_Eo):
                   1940:                break;
1.188     kristaps 1941:        case (MDOC_Po):
                   1942:                /* FALLTHROUGH */
                   1943:        case (MDOC_Pq):
                   1944:                term_word(p, "(");
                   1945:                break;
1.205     kristaps 1946:        case (MDOC__T):
                   1947:                /* FALLTHROUGH */
1.188     kristaps 1948:        case (MDOC_Qo):
                   1949:                /* FALLTHROUGH */
                   1950:        case (MDOC_Qq):
                   1951:                term_word(p, "\"");
                   1952:                break;
                   1953:        case (MDOC_Ql):
                   1954:                /* FALLTHROUGH */
                   1955:        case (MDOC_So):
                   1956:                /* FALLTHROUGH */
                   1957:        case (MDOC_Sq):
1.249     schwarze 1958:                term_word(p, "\\(oq");
1.188     kristaps 1959:                break;
                   1960:        default:
                   1961:                abort();
                   1962:                /* NOTREACHED */
                   1963:        }
1.1       kristaps 1964:
                   1965:        p->flags |= TERMP_NOSPACE;
                   1966:        return(1);
                   1967: }
                   1968:
                   1969:
1.189     kristaps 1970: /* ARGSUSED */
1.1       kristaps 1971: static void
1.188     kristaps 1972: termp_quote_post(DECL_ARGS)
1.1       kristaps 1973: {
                   1974:
1.203     kristaps 1975:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1976:                return;
                   1977:
                   1978:        p->flags |= TERMP_NOSPACE;
                   1979:
1.188     kristaps 1980:        switch (n->tok) {
                   1981:        case (MDOC_Ao):
                   1982:                /* FALLTHROUGH */
                   1983:        case (MDOC_Aq):
                   1984:                term_word(p, ">");
                   1985:                break;
                   1986:        case (MDOC_Bro):
                   1987:                /* FALLTHROUGH */
                   1988:        case (MDOC_Brq):
                   1989:                term_word(p, "}");
                   1990:                break;
                   1991:        case (MDOC_Oo):
                   1992:                /* FALLTHROUGH */
                   1993:        case (MDOC_Op):
                   1994:                /* FALLTHROUGH */
                   1995:        case (MDOC_Bo):
                   1996:                /* FALLTHROUGH */
                   1997:        case (MDOC_Bq):
                   1998:                term_word(p, "]");
                   1999:                break;
                   2000:        case (MDOC_Do):
                   2001:                /* FALLTHROUGH */
                   2002:        case (MDOC_Dq):
1.249     schwarze 2003:                term_word(p, "\\(rq");
1.237     schwarze 2004:                break;
                   2005:        case (MDOC_Eo):
1.188     kristaps 2006:                break;
                   2007:        case (MDOC_Po):
                   2008:                /* FALLTHROUGH */
                   2009:        case (MDOC_Pq):
                   2010:                term_word(p, ")");
                   2011:                break;
1.205     kristaps 2012:        case (MDOC__T):
                   2013:                /* FALLTHROUGH */
1.188     kristaps 2014:        case (MDOC_Qo):
                   2015:                /* FALLTHROUGH */
                   2016:        case (MDOC_Qq):
                   2017:                term_word(p, "\"");
                   2018:                break;
                   2019:        case (MDOC_Ql):
                   2020:                /* FALLTHROUGH */
                   2021:        case (MDOC_So):
                   2022:                /* FALLTHROUGH */
                   2023:        case (MDOC_Sq):
1.249     schwarze 2024:                term_word(p, "\\(cq");
1.188     kristaps 2025:                break;
                   2026:        default:
                   2027:                abort();
                   2028:                /* NOTREACHED */
                   2029:        }
1.1       kristaps 2030: }
                   2031:
                   2032:
                   2033: /* ARGSUSED */
                   2034: static int
                   2035: termp_fo_pre(DECL_ARGS)
                   2036: {
                   2037:
1.141     kristaps 2038:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2039:                synopsis_pre(p, n);
1.141     kristaps 2040:                return(1);
                   2041:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2042:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2043:                term_word(p, "(");
1.222     kristaps 2044:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2045:                return(1);
1.141     kristaps 2046:        }
                   2047:
1.169     kristaps 2048:        if (NULL == n->child)
                   2049:                return(0);
                   2050:
1.141     kristaps 2051:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2052:
1.141     kristaps 2053:        assert(n->child->string);
1.102     kristaps 2054:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2055:        term_word(p, n->child->string);
1.1       kristaps 2056:        return(0);
                   2057: }
                   2058:
                   2059:
                   2060: /* ARGSUSED */
                   2061: static void
                   2062: termp_fo_post(DECL_ARGS)
                   2063: {
                   2064:
1.143     kristaps 2065:        if (MDOC_BODY != n->type)
                   2066:                return;
                   2067:
1.222     kristaps 2068:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2069:        term_word(p, ")");
                   2070:
1.222     kristaps 2071:        if (MDOC_SYNPRETTY & n->flags) {
                   2072:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2073:                term_word(p, ";");
1.222     kristaps 2074:        }
1.1       kristaps 2075: }
                   2076:
                   2077:
                   2078: /* ARGSUSED */
                   2079: static int
                   2080: termp_bf_pre(DECL_ARGS)
                   2081: {
                   2082:
1.86      kristaps 2083:        if (MDOC_HEAD == n->type)
1.1       kristaps 2084:                return(0);
1.244     schwarze 2085:        else if (MDOC_BODY != n->type)
1.1       kristaps 2086:                return(1);
                   2087:
1.202     kristaps 2088:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2089:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2090:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2091:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2092:        else
1.102     kristaps 2093:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2094:
                   2095:        return(1);
                   2096: }
                   2097:
                   2098:
                   2099: /* ARGSUSED */
                   2100: static int
                   2101: termp_sm_pre(DECL_ARGS)
                   2102: {
                   2103:
1.86      kristaps 2104:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2105:        if (0 == strcmp("on", n->child->string)) {
                   2106:                if (p->col)
                   2107:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2108:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2109:        } else
1.1       kristaps 2110:                p->flags |= TERMP_NONOSPACE;
                   2111:
                   2112:        return(0);
                   2113: }
                   2114:
                   2115:
                   2116: /* ARGSUSED */
                   2117: static int
                   2118: termp_ap_pre(DECL_ARGS)
                   2119: {
                   2120:
                   2121:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2122:        term_word(p, "'");
1.1       kristaps 2123:        p->flags |= TERMP_NOSPACE;
                   2124:        return(1);
                   2125: }
                   2126:
                   2127:
                   2128: /* ARGSUSED */
                   2129: static void
                   2130: termp____post(DECL_ARGS)
                   2131: {
1.184     kristaps 2132:
                   2133:        /*
                   2134:         * Handle lists of authors.  In general, print each followed by
                   2135:         * a comma.  Don't print the comma if there are only two
                   2136:         * authors.
                   2137:         */
                   2138:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2139:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2140:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2141:                                return;
1.1       kristaps 2142:
1.95      kristaps 2143:        /* TODO: %U. */
                   2144:
1.187     kristaps 2145:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2146:                return;
                   2147:
1.222     kristaps 2148:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2149:        if (NULL == n->next) {
                   2150:                term_word(p, ".");
                   2151:                p->flags |= TERMP_SENTENCE;
                   2152:        } else
                   2153:                term_word(p, ",");
1.1       kristaps 2154: }
                   2155:
                   2156:
                   2157: /* ARGSUSED */
                   2158: static int
1.102     kristaps 2159: termp_li_pre(DECL_ARGS)
                   2160: {
                   2161:
                   2162:        term_fontpush(p, TERMFONT_NONE);
                   2163:        return(1);
                   2164: }
                   2165:
                   2166:
                   2167: /* ARGSUSED */
                   2168: static int
1.1       kristaps 2169: termp_lk_pre(DECL_ARGS)
                   2170: {
1.240     schwarze 2171:        const struct mdoc_node *link, *descr;
1.1       kristaps 2172:
1.240     schwarze 2173:        if (NULL == (link = n->child))
                   2174:                return(0);
1.181     kristaps 2175:
1.240     schwarze 2176:        if (NULL != (descr = link->next)) {
                   2177:                term_fontpush(p, TERMFONT_UNDER);
                   2178:                while (NULL != descr) {
                   2179:                        term_word(p, descr->string);
                   2180:                        descr = descr->next;
                   2181:                }
                   2182:                p->flags |= TERMP_NOSPACE;
                   2183:                term_word(p, ":");
                   2184:                term_fontpop(p);
                   2185:        }
1.1       kristaps 2186:
1.102     kristaps 2187:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2188:        term_word(p, link->string);
1.102     kristaps 2189:        term_fontpop(p);
1.12      kristaps 2190:
1.1       kristaps 2191:        return(0);
                   2192: }
                   2193:
1.159     schwarze 2194:
                   2195: /* ARGSUSED */
                   2196: static int
                   2197: termp_bk_pre(DECL_ARGS)
                   2198: {
                   2199:
1.161     schwarze 2200:        switch (n->type) {
                   2201:        case (MDOC_BLOCK):
1.166     kristaps 2202:                break;
1.161     schwarze 2203:        case (MDOC_HEAD):
                   2204:                return(0);
                   2205:        case (MDOC_BODY):
1.200     schwarze 2206:                if (n->parent->args || 0 == n->prev->nchild)
                   2207:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2208:                break;
1.161     schwarze 2209:        default:
                   2210:                abort();
1.166     kristaps 2211:                /* NOTREACHED */
1.161     schwarze 2212:        }
1.166     kristaps 2213:
                   2214:        return(1);
1.159     schwarze 2215: }
                   2216:
                   2217:
                   2218: /* ARGSUSED */
                   2219: static void
                   2220: termp_bk_post(DECL_ARGS)
                   2221: {
                   2222:
1.253     schwarze 2223:        if (MDOC_BODY == n->type)
1.161     schwarze 2224:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2225: }
                   2226:
                   2227: /* ARGSUSED */
                   2228: static void
                   2229: termp__t_post(DECL_ARGS)
                   2230: {
                   2231:
                   2232:        /*
                   2233:         * If we're in an `Rs' and there's a journal present, then quote
                   2234:         * us instead of underlining us (for disambiguation).
                   2235:         */
1.217     schwarze 2236:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2237:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2238:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2239:
1.245     schwarze 2240:        termp____post(p, pair, meta, n);
1.203     kristaps 2241: }
                   2242:
                   2243: /* ARGSUSED */
                   2244: static int
                   2245: termp__t_pre(DECL_ARGS)
                   2246: {
                   2247:
                   2248:        /*
                   2249:         * If we're in an `Rs' and there's a journal present, then quote
                   2250:         * us instead of underlining us (for disambiguation).
                   2251:         */
                   2252:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2253:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2254:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2255:
                   2256:        term_fontpush(p, TERMFONT_UNDER);
                   2257:        return(1);
1.159     schwarze 2258: }
1.1       kristaps 2259:
                   2260: /* ARGSUSED */
                   2261: static int
1.69      kristaps 2262: termp_under_pre(DECL_ARGS)
1.1       kristaps 2263: {
                   2264:
1.102     kristaps 2265:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2266:        return(1);
                   2267: }

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