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Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.135

1.135   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.134 2011/07/05 04:12:41 schwarze Exp $ */
1.1       kristaps    2: /*
1.122     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.95      schwarze    4:  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.2       schwarze    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:  *
1.2       schwarze   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:  */
                     18: #include <sys/types.h>
                     19:
                     20: #include <assert.h>
                     21: #include <ctype.h>
1.77      schwarze   22: #include <stdint.h>
1.1       kristaps   23: #include <stdio.h>
                     24: #include <stdlib.h>
                     25: #include <string.h>
                     26:
1.81      schwarze   27: #include "mandoc.h"
1.61      schwarze   28: #include "out.h"
1.1       kristaps   29: #include "term.h"
                     30: #include "mdoc.h"
1.61      schwarze   31: #include "main.h"
1.54      schwarze   32:
1.51      schwarze   33: #define        INDENT            5
                     34: #define        HALFINDENT        3
1.1       kristaps   35:
                     36: struct termpair {
                     37:        struct termpair  *ppair;
1.27      schwarze   38:        int               count;
1.1       kristaps   39: };
                     40:
1.29      schwarze   41: #define        DECL_ARGS struct termp *p, \
                     42:                  struct termpair *pair, \
1.60      schwarze   43:                  const struct mdoc_meta *m, \
                     44:                  const struct mdoc_node *n
1.1       kristaps   45:
                     46: struct termact {
                     47:        int     (*pre)(DECL_ARGS);
                     48:        void    (*post)(DECL_ARGS);
                     49: };
1.29      schwarze   50:
1.89      schwarze   51: static size_t    a2width(const struct termp *, const char *);
                     52: static size_t    a2height(const struct termp *, const char *);
                     53: static size_t    a2offs(const struct termp *, const char *);
1.62      schwarze   54:
                     55: static void      print_bvspace(struct termp *,
                     56:                        const struct mdoc_node *,
                     57:                        const struct mdoc_node *);
1.65      schwarze   58: static void      print_mdoc_node(DECL_ARGS);
                     59: static void      print_mdoc_nodelist(DECL_ARGS);
1.87      schwarze   60: static void      print_mdoc_head(struct termp *, const void *);
                     61: static void      print_mdoc_foot(struct termp *, const void *);
1.86      schwarze   62: static void      synopsis_pre(struct termp *,
                     63:                        const struct mdoc_node *);
1.62      schwarze   64:
1.29      schwarze   65: static void      termp____post(DECL_ARGS);
1.120     schwarze   66: static void      termp__t_post(DECL_ARGS);
1.49      schwarze   67: static void      termp_an_post(DECL_ARGS);
1.29      schwarze   68: static void      termp_bd_post(DECL_ARGS);
1.90      schwarze   69: static void      termp_bk_post(DECL_ARGS);
1.29      schwarze   70: static void      termp_bl_post(DECL_ARGS);
                     71: static void      termp_d1_post(DECL_ARGS);
                     72: static void      termp_fo_post(DECL_ARGS);
                     73: static void      termp_in_post(DECL_ARGS);
                     74: static void      termp_it_post(DECL_ARGS);
                     75: static void      termp_lb_post(DECL_ARGS);
1.94      schwarze   76: static void      termp_nm_post(DECL_ARGS);
1.29      schwarze   77: static void      termp_pf_post(DECL_ARGS);
1.107     schwarze   78: static void      termp_quote_post(DECL_ARGS);
1.29      schwarze   79: static void      termp_sh_post(DECL_ARGS);
                     80: static void      termp_ss_post(DECL_ARGS);
                     81:
1.104     schwarze   82: static int       termp__a_pre(DECL_ARGS);
1.120     schwarze   83: static int       termp__t_pre(DECL_ARGS);
1.49      schwarze   84: static int       termp_an_pre(DECL_ARGS);
1.29      schwarze   85: static int       termp_ap_pre(DECL_ARGS);
                     86: static int       termp_bd_pre(DECL_ARGS);
                     87: static int       termp_bf_pre(DECL_ARGS);
1.90      schwarze   88: static int       termp_bk_pre(DECL_ARGS);
1.73      schwarze   89: static int       termp_bl_pre(DECL_ARGS);
1.54      schwarze   90: static int       termp_bold_pre(DECL_ARGS);
1.29      schwarze   91: static int       termp_bt_pre(DECL_ARGS);
1.126     schwarze   92: static int       termp_bx_pre(DECL_ARGS);
1.29      schwarze   93: static int       termp_cd_pre(DECL_ARGS);
                     94: static int       termp_d1_pre(DECL_ARGS);
                     95: static int       termp_ex_pre(DECL_ARGS);
                     96: static int       termp_fa_pre(DECL_ARGS);
1.107     schwarze   97: static int       termp_fd_pre(DECL_ARGS);
1.29      schwarze   98: static int       termp_fl_pre(DECL_ARGS);
                     99: static int       termp_fn_pre(DECL_ARGS);
                    100: static int       termp_fo_pre(DECL_ARGS);
                    101: static int       termp_ft_pre(DECL_ARGS);
1.109     schwarze  102: static int       termp_igndelim_pre(DECL_ARGS);
1.29      schwarze  103: static int       termp_in_pre(DECL_ARGS);
                    104: static int       termp_it_pre(DECL_ARGS);
1.65      schwarze  105: static int       termp_li_pre(DECL_ARGS);
1.29      schwarze  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);
1.107     schwarze  110: static int       termp_quote_pre(DECL_ARGS);
1.29      schwarze  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);
1.38      schwarze  115: static int       termp_sp_pre(DECL_ARGS);
1.29      schwarze  116: static int       termp_ss_pre(DECL_ARGS);
1.54      schwarze  117: static int       termp_under_pre(DECL_ARGS);
1.29      schwarze  118: static int       termp_ud_pre(DECL_ARGS);
1.69      schwarze  119: static int       termp_vt_pre(DECL_ARGS);
1.29      schwarze  120: static int       termp_xr_pre(DECL_ARGS);
                    121: static int       termp_xx_pre(DECL_ARGS);
1.1       kristaps  122:
1.54      schwarze  123: static const struct termact termacts[MDOC_MAX] = {
1.11      schwarze  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 */
1.54      schwarze  130:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  131:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    132:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    133:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    134:        { NULL, NULL }, /* Ed */
1.73      schwarze  135:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  136:        { NULL, NULL }, /* El */
                    137:        { termp_it_pre, termp_it_post }, /* It */
1.99      schwarze  138:        { termp_under_pre, NULL }, /* Ad */
1.49      schwarze  139:        { termp_an_pre, termp_an_post }, /* An */
1.54      schwarze  140:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  141:        { termp_cd_pre, NULL }, /* Cd */
1.54      schwarze  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 */
1.86      schwarze  148:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  149:        { termp_fl_pre, NULL }, /* Fl */
1.86      schwarze  150:        { termp_fn_pre, NULL }, /* Fn */
1.85      schwarze  151:        { termp_ft_pre, NULL }, /* Ft */
1.54      schwarze  152:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  153:        { termp_in_pre, termp_in_post }, /* In */
1.65      schwarze  154:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  155:        { termp_nd_pre, NULL }, /* Nd */
1.94      schwarze  156:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.107     schwarze  157:        { termp_quote_pre, termp_quote_post }, /* Op */
1.1       kristaps  158:        { NULL, NULL }, /* Ot */
1.54      schwarze  159:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  160:        { termp_rv_pre, NULL }, /* Rv */
1.32      schwarze  161:        { NULL, NULL }, /* St */
1.54      schwarze  162:        { termp_under_pre, NULL }, /* Va */
1.86      schwarze  163:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  164:        { termp_xr_pre, NULL }, /* Xr */
1.104     schwarze  165:        { termp__a_pre, termp____post }, /* %A */
1.58      schwarze  166:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  167:        { NULL, termp____post }, /* %D */
1.58      schwarze  168:        { termp_under_pre, termp____post }, /* %I */
1.54      schwarze  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 */
1.120     schwarze  174:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  175:        { NULL, termp____post }, /* %V */
                    176:        { NULL, NULL }, /* Ac */
1.107     schwarze  177:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    178:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.32      schwarze  179:        { NULL, NULL }, /* At */
1.1       kristaps  180:        { NULL, NULL }, /* Bc */
                    181:        { termp_bf_pre, NULL }, /* Bf */
1.107     schwarze  182:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    183:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      schwarze  184:        { termp_xx_pre, NULL }, /* Bsx */
1.126     schwarze  185:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  186:        { NULL, NULL }, /* Db */
                    187:        { NULL, NULL }, /* Dc */
1.107     schwarze  188:        { termp_quote_pre, termp_quote_post }, /* Do */
                    189:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.73      schwarze  190:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  191:        { NULL, NULL }, /* Ef */
1.54      schwarze  192:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  193:        { NULL, NULL }, /* Eo */
1.26      schwarze  194:        { termp_xx_pre, NULL }, /* Fx */
1.98      schwarze  195:        { termp_bold_pre, NULL }, /* Ms */
1.109     schwarze  196:        { termp_igndelim_pre, NULL }, /* No */
1.1       kristaps  197:        { termp_ns_pre, NULL }, /* Ns */
1.26      schwarze  198:        { termp_xx_pre, NULL }, /* Nx */
                    199:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  200:        { NULL, NULL }, /* Pc */
1.109     schwarze  201:        { termp_igndelim_pre, termp_pf_post }, /* Pf */
1.107     schwarze  202:        { termp_quote_pre, termp_quote_post }, /* Po */
                    203:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  204:        { NULL, NULL }, /* Qc */
1.107     schwarze  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 */
1.107     schwarze  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 */
1.54      schwarze  214:        { termp_under_pre, NULL }, /* Sx */
                    215:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  216:        { NULL, NULL }, /* Tn */
1.26      schwarze  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 */
1.107     schwarze  222:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  223:        { NULL, NULL }, /* Oc */
1.90      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 */
1.32      schwarze  230:        { NULL, termp_lb_post }, /* Lb */
1.54      schwarze  231:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  232:        { termp_lk_pre, NULL }, /* Lk */
1.54      schwarze  233:        { termp_under_pre, NULL }, /* Mt */
1.107     schwarze  234:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    235:        { termp_quote_pre, termp_quote_post }, /* Bro */
1.1       kristaps  236:        { NULL, NULL }, /* Brc */
1.58      schwarze  237:        { NULL, termp____post }, /* %C */
                    238:        { NULL, NULL }, /* Es */ /* TODO */
                    239:        { NULL, NULL }, /* En */ /* TODO */
1.26      schwarze  240:        { termp_xx_pre, NULL }, /* Dx */
1.58      schwarze  241:        { NULL, termp____post }, /* %Q */
1.54      schwarze  242:        { termp_sp_pre, NULL }, /* br */
1.38      schwarze  243:        { termp_sp_pre, NULL }, /* sp */
1.62      schwarze  244:        { termp_under_pre, termp____post }, /* %U */
1.85      schwarze  245:        { NULL, NULL }, /* Ta */
1.1       kristaps  246: };
                    247:
                    248:
1.55      schwarze  249: void
1.61      schwarze  250: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  251: {
1.55      schwarze  252:        const struct mdoc_node  *n;
                    253:        const struct mdoc_meta  *m;
1.61      schwarze  254:        struct termp            *p;
                    255:
                    256:        p = (struct termp *)arg;
1.71      schwarze  257:
                    258:        p->overstep = 0;
1.80      schwarze  259:        p->maxrmargin = p->defrmargin;
1.89      schwarze  260:        p->tabwidth = term_len(p, 5);
1.61      schwarze  261:
                    262:        if (NULL == p->symtab)
1.133     schwarze  263:                p->symtab = mchars_alloc();
1.55      schwarze  264:
                    265:        n = mdoc_node(mdoc);
                    266:        m = mdoc_meta(mdoc);
                    267:
1.87      schwarze  268:        term_begin(p, print_mdoc_head, print_mdoc_foot, m);
                    269:
1.55      schwarze  270:        if (n->child)
1.65      schwarze  271:                print_mdoc_nodelist(p, NULL, m, n->child);
1.87      schwarze  272:
                    273:        term_end(p);
1.1       kristaps  274: }
                    275:
                    276:
                    277: static void
1.65      schwarze  278: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  279: {
                    280:
1.65      schwarze  281:        print_mdoc_node(p, pair, m, n);
1.60      schwarze  282:        if (n->next)
1.65      schwarze  283:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  284: }
                    285:
                    286:
1.54      schwarze  287: /* ARGSUSED */
1.1       kristaps  288: static void
1.65      schwarze  289: print_mdoc_node(DECL_ARGS)
1.1       kristaps  290: {
1.65      schwarze  291:        int              chld;
                    292:        const void      *font;
1.1       kristaps  293:        struct termpair  npair;
1.28      schwarze  294:        size_t           offset, rmargin;
1.1       kristaps  295:
1.54      schwarze  296:        chld = 1;
1.28      schwarze  297:        offset = p->offset;
                    298:        rmargin = p->rmargin;
1.65      schwarze  299:        font = term_fontq(p);
1.1       kristaps  300:
1.63      schwarze  301:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  302:        npair.ppair = pair;
1.65      schwarze  303:
1.95      schwarze  304:        /*
                    305:         * Keeps only work until the end of a line.  If a keep was
                    306:         * invoked in a prior line, revert it to PREKEEP.
1.116     schwarze  307:         *
                    308:         * Also let SYNPRETTY sections behave as if they were wrapped
                    309:         * in a `Bk' block.
1.95      schwarze  310:         */
                    311:
1.116     schwarze  312:        if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.95      schwarze  313:                if (n->prev && n->prev->line != n->line) {
                    314:                        p->flags &= ~TERMP_KEEP;
                    315:                        p->flags |= TERMP_PREKEEP;
                    316:                } else if (NULL == n->prev) {
                    317:                        if (n->parent && n->parent->line != n->line) {
                    318:                                p->flags &= ~TERMP_KEEP;
                    319:                                p->flags |= TERMP_PREKEEP;
                    320:                        }
                    321:                }
                    322:        }
1.116     schwarze  323:
                    324:        /*
                    325:         * Since SYNPRETTY sections aren't "turned off" with `Ek',
                    326:         * we have to intuit whether we should disable formatting.
                    327:         */
                    328:
                    329:        if ( ! (MDOC_SYNPRETTY & n->flags) &&
                    330:            ((n->prev   && MDOC_SYNPRETTY & n->prev->flags) ||
                    331:             (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
                    332:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.128     schwarze  333:
                    334:        /*
                    335:         * After the keep flags have been set up, we may now
                    336:         * produce output.  Note that some pre-handlers do so.
                    337:         */
                    338:
                    339:        switch (n->type) {
                    340:        case (MDOC_TEXT):
                    341:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    342:                        term_newln(p);
1.132     schwarze  343:                if (MDOC_DELIMC & n->flags)
                    344:                        p->flags |= TERMP_NOSPACE;
1.128     schwarze  345:                term_word(p, n->string);
1.132     schwarze  346:                if (MDOC_DELIMO & n->flags)
                    347:                        p->flags |= TERMP_NOSPACE;
1.128     schwarze  348:                break;
1.131     schwarze  349:        case (MDOC_EQN):
1.135   ! schwarze  350:                term_eqn(p, n->eqn);
1.131     schwarze  351:                break;
1.128     schwarze  352:        case (MDOC_TBL):
                    353:                term_tbl(p, n->span);
                    354:                break;
                    355:        default:
                    356:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    357:                        chld = (*termacts[n->tok].pre)
                    358:                                (p, &npair, m, n);
                    359:                break;
                    360:        }
1.95      schwarze  361:
1.60      schwarze  362:        if (chld && n->child)
1.65      schwarze  363:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  364:
1.65      schwarze  365:        term_fontpopq(p, font);
1.1       kristaps  366:
1.122     schwarze  367:        switch (n->type) {
                    368:        case (MDOC_TEXT):
                    369:                break;
                    370:        case (MDOC_TBL):
1.131     schwarze  371:                break;
                    372:        case (MDOC_EQN):
1.122     schwarze  373:                break;
                    374:        default:
                    375:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    376:                        break;
1.95      schwarze  377:                (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.93      schwarze  378:
                    379:                /*
                    380:                 * Explicit end tokens not only call the post
                    381:                 * handler, but also tell the respective block
                    382:                 * that it must not call the post handler again.
                    383:                 */
1.95      schwarze  384:                if (ENDBODY_NOT != n->end)
1.93      schwarze  385:                        n->pending->flags |= MDOC_ENDED;
                    386:
                    387:                /*
                    388:                 * End of line terminating an implicit block
                    389:                 * while an explicit block is still open.
                    390:                 * Continue the explicit block without spacing.
                    391:                 */
                    392:                if (ENDBODY_NOSPACE == n->end)
                    393:                        p->flags |= TERMP_NOSPACE;
1.122     schwarze  394:                break;
1.93      schwarze  395:        }
1.28      schwarze  396:
1.78      schwarze  397:        if (MDOC_EOS & n->flags)
                    398:                p->flags |= TERMP_SENTENCE;
                    399:
1.28      schwarze  400:        p->offset = offset;
                    401:        p->rmargin = rmargin;
1.1       kristaps  402: }
                    403:
                    404:
                    405: static void
1.87      schwarze  406: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  407: {
1.87      schwarze  408:        const struct mdoc_meta *m;
                    409:
                    410:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  411:
1.65      schwarze  412:        term_fontrepl(p, TERMFONT_NONE);
                    413:
1.7       schwarze  414:        /*
                    415:         * Output the footer in new-groff style, that is, three columns
                    416:         * with the middle being the manual date and flanking columns
                    417:         * being the operating system:
                    418:         *
                    419:         * SYSTEM                  DATE                    SYSTEM
                    420:         */
                    421:
1.1       kristaps  422:        term_vspace(p);
                    423:
1.7       schwarze  424:        p->offset = 0;
1.89      schwarze  425:        p->rmargin = (p->maxrmargin -
1.130     schwarze  426:                        term_strlen(p, m->date) + term_len(p, 1)) / 2;
1.1       kristaps  427:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    428:
1.130     schwarze  429:        term_word(p, m->os);
1.1       kristaps  430:        term_flushln(p);
                    431:
1.7       schwarze  432:        p->offset = p->rmargin;
1.130     schwarze  433:        p->rmargin = p->maxrmargin - term_strlen(p, m->os);
1.1       kristaps  434:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.7       schwarze  435:
1.130     schwarze  436:        term_word(p, m->date);
1.7       schwarze  437:        term_flushln(p);
                    438:
1.1       kristaps  439:        p->offset = p->rmargin;
                    440:        p->rmargin = p->maxrmargin;
                    441:        p->flags &= ~TERMP_NOBREAK;
1.7       schwarze  442:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  443:
1.130     schwarze  444:        term_word(p, m->os);
1.1       kristaps  445:        term_flushln(p);
1.7       schwarze  446:
                    447:        p->offset = 0;
                    448:        p->rmargin = p->maxrmargin;
                    449:        p->flags = 0;
1.1       kristaps  450: }
                    451:
                    452:
                    453: static void
1.87      schwarze  454: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  455: {
1.63      schwarze  456:        char            buf[BUFSIZ], title[BUFSIZ];
1.87      schwarze  457:        const struct mdoc_meta *m;
                    458:
                    459:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  460:
                    461:        p->rmargin = p->maxrmargin;
                    462:        p->offset = 0;
                    463:
                    464:        /*
                    465:         * The header is strange.  It has three components, which are
                    466:         * really two with the first duplicated.  It goes like this:
                    467:         *
                    468:         * IDENTIFIER              TITLE                   IDENTIFIER
                    469:         *
                    470:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    471:         * (if given, or "unknown" if not) followed by the manual page
                    472:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    473:         * string depending on the manual volume.  If not specified, it
                    474:         * switches on the manual section.
                    475:         */
                    476:
1.60      schwarze  477:        assert(m->vol);
1.63      schwarze  478:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  479:
1.60      schwarze  480:        if (m->arch) {
1.63      schwarze  481:                strlcat(buf, " (", BUFSIZ);
                    482:                strlcat(buf, m->arch, BUFSIZ);
                    483:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  484:        }
                    485:
1.79      schwarze  486:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  487:
                    488:        p->offset = 0;
1.89      schwarze  489:        p->rmargin = (p->maxrmargin -
                    490:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  491:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    492:
                    493:        term_word(p, title);
                    494:        term_flushln(p);
                    495:
                    496:        p->offset = p->rmargin;
1.89      schwarze  497:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.8       schwarze  498:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  499:
                    500:        term_word(p, buf);
                    501:        term_flushln(p);
                    502:
                    503:        p->offset = p->rmargin;
                    504:        p->rmargin = p->maxrmargin;
                    505:        p->flags &= ~TERMP_NOBREAK;
                    506:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    507:
                    508:        term_word(p, title);
                    509:        term_flushln(p);
                    510:
1.8       schwarze  511:        p->offset = 0;
1.1       kristaps  512:        p->rmargin = p->maxrmargin;
                    513:        p->flags &= ~TERMP_NOSPACE;
                    514: }
                    515:
                    516:
                    517: static size_t
1.89      schwarze  518: a2height(const struct termp *p, const char *v)
1.1       kristaps  519: {
1.61      schwarze  520:        struct roffsu    su;
1.1       kristaps  521:
1.134     schwarze  522:
1.89      schwarze  523:        assert(v);
                    524:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.134     schwarze  525:                SCALE_VS_INIT(&su, atoi(v));
1.1       kristaps  526:
1.89      schwarze  527:        return(term_vspan(p, &su));
1.61      schwarze  528: }
1.34      schwarze  529:
1.1       kristaps  530:
1.61      schwarze  531: static size_t
1.89      schwarze  532: a2width(const struct termp *p, const char *v)
1.61      schwarze  533: {
                    534:        struct roffsu    su;
1.1       kristaps  535:
1.88      schwarze  536:        assert(v);
                    537:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89      schwarze  538:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  539:
1.89      schwarze  540:        return(term_hspan(p, &su));
1.1       kristaps  541: }
                    542:
                    543:
                    544: static size_t
1.89      schwarze  545: a2offs(const struct termp *p, const char *v)
1.1       kristaps  546: {
1.61      schwarze  547:        struct roffsu    su;
1.1       kristaps  548:
1.88      schwarze  549:        if ('\0' == *v)
1.61      schwarze  550:                return(0);
1.88      schwarze  551:        else if (0 == strcmp(v, "left"))
1.9       schwarze  552:                return(0);
1.88      schwarze  553:        else if (0 == strcmp(v, "indent"))
1.89      schwarze  554:                return(term_len(p, INDENT + 1));
1.88      schwarze  555:        else if (0 == strcmp(v, "indent-two"))
1.89      schwarze  556:                return(term_len(p, (INDENT + 1) * 2));
1.88      schwarze  557:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89      schwarze  558:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      schwarze  559:
1.89      schwarze  560:        return(term_hspan(p, &su));
1.1       kristaps  561: }
                    562:
                    563:
1.68      schwarze  564: /*
                    565:  * Determine how much space to print out before block elements of `It'
                    566:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    567:  * too.
                    568:  */
1.45      schwarze  569: static void
1.61      schwarze  570: print_bvspace(struct termp *p,
1.1       kristaps  571:                const struct mdoc_node *bl,
1.60      schwarze  572:                const struct mdoc_node *n)
1.1       kristaps  573: {
1.60      schwarze  574:        const struct mdoc_node  *nn;
1.1       kristaps  575:
                    576:        term_newln(p);
1.88      schwarze  577:
1.121     schwarze  578:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88      schwarze  579:                return;
1.121     schwarze  580:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45      schwarze  581:                return;
                    582:
1.60      schwarze  583:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  584:
1.60      schwarze  585:        for (nn = n; nn; nn = nn->parent) {
                    586:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  587:                        continue;
1.60      schwarze  588:                if (MDOC_Ss == nn->tok)
1.45      schwarze  589:                        return;
1.60      schwarze  590:                if (MDOC_Sh == nn->tok)
1.45      schwarze  591:                        return;
1.60      schwarze  592:                if (NULL == nn->prev)
1.1       kristaps  593:                        continue;
                    594:                break;
                    595:        }
                    596:
1.60      schwarze  597:        /* A `-column' does not assert vspace within the list. */
1.45      schwarze  598:
1.121     schwarze  599:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60      schwarze  600:                if (n->prev && MDOC_It == n->prev->tok)
1.45      schwarze  601:                        return;
                    602:
1.60      schwarze  603:        /* A `-diag' without body does not vspace. */
                    604:
1.121     schwarze  605:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60      schwarze  606:                if (n->prev && MDOC_It == n->prev->tok) {
                    607:                        assert(n->prev->body);
                    608:                        if (NULL == n->prev->body->child)
1.45      schwarze  609:                                return;
                    610:                }
                    611:
                    612:        term_vspace(p);
1.1       kristaps  613: }
                    614:
                    615:
                    616: /* ARGSUSED */
                    617: static int
                    618: termp_it_pre(DECL_ARGS)
                    619: {
1.60      schwarze  620:        const struct mdoc_node *bl, *nn;
1.1       kristaps  621:        char                    buf[7];
1.95      schwarze  622:        int                     i;
1.68      schwarze  623:        size_t                  width, offset, ncols, dcol;
1.82      schwarze  624:        enum mdoc_list          type;
1.1       kristaps  625:
1.60      schwarze  626:        if (MDOC_BLOCK == n->type) {
1.61      schwarze  627:                print_bvspace(p, n->parent->parent, n);
1.45      schwarze  628:                return(1);
                    629:        }
1.1       kristaps  630:
1.60      schwarze  631:        bl = n->parent->parent->parent;
1.121     schwarze  632:        type = bl->norm->Bl.type;
1.1       kristaps  633:
1.68      schwarze  634:        /*
                    635:         * First calculate width and offset.  This is pretty easy unless
                    636:         * we're a -column list, in which case all prior columns must
                    637:         * be accounted for.
                    638:         */
                    639:
                    640:        width = offset = 0;
                    641:
1.121     schwarze  642:        if (bl->norm->Bl.offs)
                    643:                offset = a2offs(p, bl->norm->Bl.offs);
1.66      schwarze  644:
1.1       kristaps  645:        switch (type) {
1.82      schwarze  646:        case (LIST_column):
1.85      schwarze  647:                if (MDOC_HEAD == n->type)
1.1       kristaps  648:                        break;
1.88      schwarze  649:
1.66      schwarze  650:                /*
1.68      schwarze  651:                 * Imitate groff's column handling:
                    652:                 * - For each earlier column, add its width.
                    653:                 * - For less than 5 columns, add four more blanks per
                    654:                 *   column.
                    655:                 * - For exactly 5 columns, add three more blank per
                    656:                 *   column.
                    657:                 * - For more than 5 columns, add only one column.
1.66      schwarze  658:                 */
1.121     schwarze  659:                ncols = bl->norm->Bl.ncols;
1.95      schwarze  660:
1.68      schwarze  661:                /* LINTED */
1.89      schwarze  662:                dcol = ncols < 5 ? term_len(p, 4) :
                    663:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68      schwarze  664:
1.85      schwarze  665:                /*
                    666:                 * Calculate the offset by applying all prior MDOC_BODY,
                    667:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    668:                 */
                    669:
1.68      schwarze  670:                for (i = 0, nn = n->prev;
1.85      schwarze  671:                                nn->prev && i < (int)ncols;
1.68      schwarze  672:                                nn = nn->prev, i++)
                    673:                        offset += dcol + a2width
1.121     schwarze  674:                                (p, bl->norm->Bl.cols[i]);
1.66      schwarze  675:
                    676:                /*
1.68      schwarze  677:                 * When exceeding the declared number of columns, leave
                    678:                 * the remaining widths at 0.  This will later be
                    679:                 * adjusted to the default width of 10, or, for the last
                    680:                 * column, stretched to the right margin.
1.46      schwarze  681:                 */
1.68      schwarze  682:                if (i >= (int)ncols)
                    683:                        break;
1.46      schwarze  684:
1.66      schwarze  685:                /*
1.68      schwarze  686:                 * Use the declared column widths, extended as explained
                    687:                 * in the preceding paragraph.
1.66      schwarze  688:                 */
1.121     schwarze  689:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  690:                break;
                    691:        default:
1.121     schwarze  692:                if (NULL == bl->norm->Bl.width)
1.68      schwarze  693:                        break;
                    694:
                    695:                /*
                    696:                 * Note: buffer the width by 2, which is groff's magic
                    697:                 * number for buffering single arguments.  See the above
                    698:                 * handling for column for how this changes.
                    699:                 */
1.121     schwarze  700:                assert(bl->norm->Bl.width);
                    701:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  702:                break;
                    703:        }
                    704:
                    705:        /*
                    706:         * List-type can override the width in the case of fixed-head
                    707:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.53      schwarze  708:         * offset.
1.1       kristaps  709:         */
                    710:
                    711:        switch (type) {
1.82      schwarze  712:        case (LIST_bullet):
1.1       kristaps  713:                /* FALLTHROUGH */
1.82      schwarze  714:        case (LIST_dash):
1.1       kristaps  715:                /* FALLTHROUGH */
1.82      schwarze  716:        case (LIST_hyphen):
1.89      schwarze  717:                if (width < term_len(p, 4))
                    718:                        width = term_len(p, 4);
1.19      schwarze  719:                break;
1.82      schwarze  720:        case (LIST_enum):
1.89      schwarze  721:                if (width < term_len(p, 5))
                    722:                        width = term_len(p, 5);
1.1       kristaps  723:                break;
1.82      schwarze  724:        case (LIST_hang):
1.33      schwarze  725:                if (0 == width)
1.89      schwarze  726:                        width = term_len(p, 8);
1.33      schwarze  727:                break;
1.82      schwarze  728:        case (LIST_column):
1.41      schwarze  729:                /* FALLTHROUGH */
1.82      schwarze  730:        case (LIST_tag):
1.1       kristaps  731:                if (0 == width)
1.89      schwarze  732:                        width = term_len(p, 10);
1.1       kristaps  733:                break;
                    734:        default:
                    735:                break;
                    736:        }
                    737:
                    738:        /*
1.16      schwarze  739:         * Whitespace control.  Inset bodies need an initial space,
                    740:         * while diagonal bodies need two.
1.1       kristaps  741:         */
                    742:
1.42      schwarze  743:        p->flags |= TERMP_NOSPACE;
                    744:
1.1       kristaps  745:        switch (type) {
1.82      schwarze  746:        case (LIST_diag):
1.60      schwarze  747:                if (MDOC_BODY == n->type)
1.48      schwarze  748:                        term_word(p, "\\ \\ ");
1.42      schwarze  749:                break;
1.82      schwarze  750:        case (LIST_inset):
1.60      schwarze  751:                if (MDOC_BODY == n->type)
1.42      schwarze  752:                        term_word(p, "\\ ");
1.1       kristaps  753:                break;
                    754:        default:
                    755:                break;
                    756:        }
                    757:
1.42      schwarze  758:        p->flags |= TERMP_NOSPACE;
                    759:
1.1       kristaps  760:        switch (type) {
1.82      schwarze  761:        case (LIST_diag):
1.60      schwarze  762:                if (MDOC_HEAD == n->type)
1.65      schwarze  763:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  764:                break;
                    765:        default:
                    766:                break;
                    767:        }
                    768:
                    769:        /*
1.68      schwarze  770:         * Pad and break control.  This is the tricky part.  These flags
                    771:         * are documented in term_flushln() in term.c.  Note that we're
                    772:         * going to unset all of these flags in termp_it_post() when we
                    773:         * exit.
1.1       kristaps  774:         */
                    775:
                    776:        switch (type) {
1.82      schwarze  777:        case (LIST_bullet):
1.1       kristaps  778:                /* FALLTHROUGH */
1.82      schwarze  779:        case (LIST_dash):
1.1       kristaps  780:                /* FALLTHROUGH */
1.82      schwarze  781:        case (LIST_enum):
1.1       kristaps  782:                /* FALLTHROUGH */
1.82      schwarze  783:        case (LIST_hyphen):
1.60      schwarze  784:                if (MDOC_HEAD == n->type)
1.33      schwarze  785:                        p->flags |= TERMP_NOBREAK;
                    786:                else
                    787:                        p->flags |= TERMP_NOLPAD;
                    788:                break;
1.82      schwarze  789:        case (LIST_hang):
1.60      schwarze  790:                if (MDOC_HEAD == n->type)
1.33      schwarze  791:                        p->flags |= TERMP_NOBREAK;
                    792:                else
                    793:                        p->flags |= TERMP_NOLPAD;
                    794:
1.60      schwarze  795:                if (MDOC_HEAD != n->type)
1.47      schwarze  796:                        break;
                    797:
                    798:                /*
                    799:                 * This is ugly.  If `-hang' is specified and the body
                    800:                 * is a `Bl' or `Bd', then we want basically to nullify
                    801:                 * the "overstep" effect in term_flushln() and treat
                    802:                 * this as a `-ohang' list instead.
                    803:                 */
1.60      schwarze  804:                if (n->next->child &&
                    805:                                (MDOC_Bl == n->next->child->tok ||
                    806:                                 MDOC_Bd == n->next->child->tok)) {
1.47      schwarze  807:                        p->flags &= ~TERMP_NOBREAK;
                    808:                        p->flags &= ~TERMP_NOLPAD;
                    809:                } else
1.33      schwarze  810:                        p->flags |= TERMP_HANG;
                    811:                break;
1.82      schwarze  812:        case (LIST_tag):
1.60      schwarze  813:                if (MDOC_HEAD == n->type)
1.42      schwarze  814:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  815:                else
                    816:                        p->flags |= TERMP_NOLPAD;
1.33      schwarze  817:
1.60      schwarze  818:                if (MDOC_HEAD != n->type)
1.33      schwarze  819:                        break;
1.60      schwarze  820:                if (NULL == n->next || NULL == n->next->child)
1.33      schwarze  821:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  822:                break;
1.82      schwarze  823:        case (LIST_column):
1.85      schwarze  824:                if (MDOC_HEAD == n->type)
                    825:                        break;
                    826:
                    827:                if (NULL == n->next)
                    828:                        p->flags &= ~TERMP_NOBREAK;
                    829:                else
                    830:                        p->flags |= TERMP_NOBREAK;
                    831:
                    832:                assert(n->prev);
                    833:                if (MDOC_BODY == n->prev->type)
                    834:                        p->flags |= TERMP_NOLPAD;
                    835:
1.1       kristaps  836:                break;
1.82      schwarze  837:        case (LIST_diag):
1.60      schwarze  838:                if (MDOC_HEAD == n->type)
1.1       kristaps  839:                        p->flags |= TERMP_NOBREAK;
                    840:                break;
                    841:        default:
                    842:                break;
                    843:        }
                    844:
                    845:        /*
                    846:         * Margin control.  Set-head-width lists have their right
                    847:         * margins shortened.  The body for these lists has the offset
                    848:         * necessarily lengthened.  Everybody gets the offset.
                    849:         */
                    850:
                    851:        p->offset += offset;
                    852:
                    853:        switch (type) {
1.82      schwarze  854:        case (LIST_hang):
1.47      schwarze  855:                /*
                    856:                 * Same stipulation as above, regarding `-hang'.  We
                    857:                 * don't want to recalculate rmargin and offsets when
                    858:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    859:                 */
1.60      schwarze  860:                if (MDOC_HEAD == n->type && n->next->child &&
                    861:                                (MDOC_Bl == n->next->child->tok ||
                    862:                                 MDOC_Bd == n->next->child->tok))
1.47      schwarze  863:                        break;
                    864:                /* FALLTHROUGH */
1.82      schwarze  865:        case (LIST_bullet):
1.1       kristaps  866:                /* FALLTHROUGH */
1.82      schwarze  867:        case (LIST_dash):
1.1       kristaps  868:                /* FALLTHROUGH */
1.82      schwarze  869:        case (LIST_enum):
1.1       kristaps  870:                /* FALLTHROUGH */
1.82      schwarze  871:        case (LIST_hyphen):
1.33      schwarze  872:                /* FALLTHROUGH */
1.82      schwarze  873:        case (LIST_tag):
1.41      schwarze  874:                assert(width);
1.60      schwarze  875:                if (MDOC_HEAD == n->type)
1.1       kristaps  876:                        p->rmargin = p->offset + width;
                    877:                else
                    878:                        p->offset += width;
                    879:                break;
1.82      schwarze  880:        case (LIST_column):
1.41      schwarze  881:                assert(width);
1.1       kristaps  882:                p->rmargin = p->offset + width;
1.43      schwarze  883:                /*
                    884:                 * XXX - this behaviour is not documented: the
                    885:                 * right-most column is filled to the right margin.
                    886:                 */
1.85      schwarze  887:                if (MDOC_HEAD == n->type)
                    888:                        break;
                    889:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43      schwarze  890:                        p->rmargin = p->maxrmargin;
1.1       kristaps  891:                break;
                    892:        default:
                    893:                break;
                    894:        }
                    895:
                    896:        /*
                    897:         * The dash, hyphen, bullet and enum lists all have a special
1.12      schwarze  898:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  899:         */
                    900:
1.60      schwarze  901:        if (MDOC_HEAD == n->type)
1.1       kristaps  902:                switch (type) {
1.82      schwarze  903:                case (LIST_bullet):
1.65      schwarze  904:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  905:                        term_word(p, "\\[bu]");
1.65      schwarze  906:                        term_fontpop(p);
1.1       kristaps  907:                        break;
1.82      schwarze  908:                case (LIST_dash):
1.1       kristaps  909:                        /* FALLTHROUGH */
1.82      schwarze  910:                case (LIST_hyphen):
1.65      schwarze  911:                        term_fontpush(p, TERMFONT_BOLD);
1.35      schwarze  912:                        term_word(p, "\\(hy");
1.65      schwarze  913:                        term_fontpop(p);
1.1       kristaps  914:                        break;
1.82      schwarze  915:                case (LIST_enum):
1.1       kristaps  916:                        (pair->ppair->ppair->count)++;
1.68      schwarze  917:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  918:                                        pair->ppair->ppair->count);
                    919:                        term_word(p, buf);
                    920:                        break;
                    921:                default:
                    922:                        break;
                    923:                }
1.12      schwarze  924:
1.1       kristaps  925:        /*
                    926:         * If we're not going to process our children, indicate so here.
                    927:         */
                    928:
                    929:        switch (type) {
1.82      schwarze  930:        case (LIST_bullet):
1.1       kristaps  931:                /* FALLTHROUGH */
1.82      schwarze  932:        case (LIST_item):
1.1       kristaps  933:                /* FALLTHROUGH */
1.82      schwarze  934:        case (LIST_dash):
1.1       kristaps  935:                /* FALLTHROUGH */
1.82      schwarze  936:        case (LIST_hyphen):
1.1       kristaps  937:                /* FALLTHROUGH */
1.82      schwarze  938:        case (LIST_enum):
1.60      schwarze  939:                if (MDOC_HEAD == n->type)
1.1       kristaps  940:                        return(0);
                    941:                break;
1.82      schwarze  942:        case (LIST_column):
1.85      schwarze  943:                if (MDOC_HEAD == n->type)
1.1       kristaps  944:                        return(0);
                    945:                break;
                    946:        default:
                    947:                break;
                    948:        }
                    949:
                    950:        return(1);
                    951: }
                    952:
                    953:
                    954: /* ARGSUSED */
                    955: static void
                    956: termp_it_post(DECL_ARGS)
                    957: {
1.82      schwarze  958:        enum mdoc_list     type;
1.1       kristaps  959:
1.68      schwarze  960:        if (MDOC_BLOCK == n->type)
1.1       kristaps  961:                return;
                    962:
1.121     schwarze  963:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  964:
                    965:        switch (type) {
1.82      schwarze  966:        case (LIST_item):
1.44      schwarze  967:                /* FALLTHROUGH */
1.82      schwarze  968:        case (LIST_diag):
1.1       kristaps  969:                /* FALLTHROUGH */
1.82      schwarze  970:        case (LIST_inset):
1.60      schwarze  971:                if (MDOC_BODY == n->type)
1.74      schwarze  972:                        term_newln(p);
1.1       kristaps  973:                break;
1.82      schwarze  974:        case (LIST_column):
1.85      schwarze  975:                if (MDOC_BODY == n->type)
1.1       kristaps  976:                        term_flushln(p);
                    977:                break;
                    978:        default:
1.74      schwarze  979:                term_newln(p);
1.1       kristaps  980:                break;
                    981:        }
                    982:
1.68      schwarze  983:        /*
                    984:         * Now that our output is flushed, we can reset our tags.  Since
                    985:         * only `It' sets these flags, we're free to assume that nobody
                    986:         * has munged them in the meanwhile.
                    987:         */
                    988:
                    989:        p->flags &= ~TERMP_DANGLE;
                    990:        p->flags &= ~TERMP_NOBREAK;
                    991:        p->flags &= ~TERMP_TWOSPACE;
                    992:        p->flags &= ~TERMP_NOLPAD;
                    993:        p->flags &= ~TERMP_HANG;
1.1       kristaps  994: }
                    995:
                    996:
                    997: /* ARGSUSED */
                    998: static int
                    999: termp_nm_pre(DECL_ARGS)
                   1000: {
                   1001:
1.94      schwarze 1002:        if (MDOC_BLOCK == n->type)
                   1003:                return(1);
                   1004:
                   1005:        if (MDOC_BODY == n->type) {
                   1006:                if (NULL == n->child)
                   1007:                        return(0);
                   1008:                p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                   1009:                p->offset += term_len(p, 1) +
                   1010:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1011:                     MDOC_TEXT == n->prev->child->type ?
                   1012:                        term_strlen(p, n->prev->child->string) :
                   1013:                     term_len(p, 5));
                   1014:                return(1);
                   1015:        }
                   1016:
1.81      schwarze 1017:        if (NULL == n->child && NULL == m->name)
1.94      schwarze 1018:                return(0);
1.81      schwarze 1019:
1.97      schwarze 1020:        if (MDOC_HEAD == n->type)
                   1021:                synopsis_pre(p, n->parent);
1.65      schwarze 1022:
1.94      schwarze 1023:        if (MDOC_HEAD == n->type && n->next->child) {
1.105     schwarze 1024:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                   1025:                p->rmargin = p->offset + term_len(p, 1);
                   1026:                if (NULL == n->child) {
                   1027:                        p->rmargin += term_strlen(p, m->name);
                   1028:                } else if (MDOC_TEXT == n->child->type) {
                   1029:                        p->rmargin += term_strlen(p, n->child->string);
                   1030:                        if (n->child->next)
                   1031:                                p->flags |= TERMP_HANG;
                   1032:                } else {
                   1033:                        p->rmargin += term_len(p, 5);
                   1034:                        p->flags |= TERMP_HANG;
                   1035:                }
1.94      schwarze 1036:        }
                   1037:
1.65      schwarze 1038:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 1039:        if (NULL == n->child)
                   1040:                term_word(p, m->name);
1.1       kristaps 1041:        return(1);
                   1042: }
                   1043:
                   1044:
1.94      schwarze 1045: /* ARGSUSED */
                   1046: static void
                   1047: termp_nm_post(DECL_ARGS)
                   1048: {
                   1049:
                   1050:        if (MDOC_HEAD == n->type && n->next->child) {
                   1051:                term_flushln(p);
                   1052:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1053:        } else if (MDOC_BODY == n->type && n->child) {
                   1054:                term_flushln(p);
                   1055:                p->flags &= ~TERMP_NOLPAD;
                   1056:        }
                   1057: }
                   1058:
                   1059:
1.1       kristaps 1060: /* ARGSUSED */
                   1061: static int
                   1062: termp_fl_pre(DECL_ARGS)
                   1063: {
                   1064:
1.65      schwarze 1065:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1066:        term_word(p, "\\-");
1.67      schwarze 1067:
                   1068:        if (n->child)
                   1069:                p->flags |= TERMP_NOSPACE;
1.73      schwarze 1070:        else if (n->next && n->next->line == n->line)
                   1071:                p->flags |= TERMP_NOSPACE;
1.67      schwarze 1072:
1.1       kristaps 1073:        return(1);
1.49      schwarze 1074: }
                   1075:
                   1076:
                   1077: /* ARGSUSED */
                   1078: static int
1.104     schwarze 1079: termp__a_pre(DECL_ARGS)
                   1080: {
                   1081:
                   1082:        if (n->prev && MDOC__A == n->prev->tok)
                   1083:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1084:                        term_word(p, "and");
                   1085:
                   1086:        return(1);
                   1087: }
                   1088:
                   1089:
                   1090: /* ARGSUSED */
                   1091: static int
1.49      schwarze 1092: termp_an_pre(DECL_ARGS)
                   1093: {
                   1094:
1.60      schwarze 1095:        if (NULL == n->child)
1.49      schwarze 1096:                return(1);
                   1097:
                   1098:        /*
1.60      schwarze 1099:         * If not in the AUTHORS section, `An -split' will cause
                   1100:         * newlines to occur before the author name.  If in the AUTHORS
                   1101:         * section, by default, the first `An' invocation is nosplit,
                   1102:         * then all subsequent ones, regardless of whether interspersed
                   1103:         * with other macros/text, are split.  -split, in this case,
                   1104:         * will override the condition of the implied first -nosplit.
1.49      schwarze 1105:         */
                   1106:
1.60      schwarze 1107:        if (n->sec == SEC_AUTHORS) {
1.49      schwarze 1108:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1109:                        if (TERMP_SPLIT & p->flags)
                   1110:                                term_newln(p);
                   1111:                        return(1);
                   1112:                }
                   1113:                if (TERMP_NOSPLIT & p->flags)
                   1114:                        return(1);
                   1115:                term_newln(p);
                   1116:                return(1);
                   1117:        }
                   1118:
                   1119:        if (TERMP_SPLIT & p->flags)
                   1120:                term_newln(p);
                   1121:
                   1122:        return(1);
                   1123: }
                   1124:
                   1125:
                   1126: /* ARGSUSED */
                   1127: static void
                   1128: termp_an_post(DECL_ARGS)
                   1129: {
                   1130:
1.60      schwarze 1131:        if (n->child) {
                   1132:                if (SEC_AUTHORS == n->sec)
1.49      schwarze 1133:                        p->flags |= TERMP_ANPREC;
                   1134:                return;
                   1135:        }
                   1136:
1.121     schwarze 1137:        if (AUTH_split == n->norm->An.auth) {
1.49      schwarze 1138:                p->flags &= ~TERMP_NOSPLIT;
                   1139:                p->flags |= TERMP_SPLIT;
1.121     schwarze 1140:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.49      schwarze 1141:                p->flags &= ~TERMP_SPLIT;
                   1142:                p->flags |= TERMP_NOSPLIT;
                   1143:        }
                   1144:
1.1       kristaps 1145: }
                   1146:
                   1147:
                   1148: /* ARGSUSED */
                   1149: static int
                   1150: termp_ns_pre(DECL_ARGS)
                   1151: {
                   1152:
1.127     schwarze 1153:        if ( ! (MDOC_LINE & n->flags))
                   1154:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1155:        return(1);
                   1156: }
                   1157:
                   1158:
                   1159: /* ARGSUSED */
                   1160: static int
                   1161: termp_rs_pre(DECL_ARGS)
                   1162: {
                   1163:
1.60      schwarze 1164:        if (SEC_SEE_ALSO != n->sec)
1.57      schwarze 1165:                return(1);
1.60      schwarze 1166:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1167:                term_vspace(p);
                   1168:        return(1);
                   1169: }
                   1170:
                   1171:
                   1172: /* ARGSUSED */
                   1173: static int
                   1174: termp_rv_pre(DECL_ARGS)
                   1175: {
1.132     schwarze 1176:        int              nchild;
1.1       kristaps 1177:
                   1178:        term_newln(p);
                   1179:        term_word(p, "The");
                   1180:
1.132     schwarze 1181:        nchild = n->nchild;
                   1182:        for (n = n->child; n; n = n->next) {
1.65      schwarze 1183:                term_fontpush(p, TERMFONT_BOLD);
1.132     schwarze 1184:                term_word(p, n->string);
1.65      schwarze 1185:                term_fontpop(p);
1.132     schwarze 1186:
1.53      schwarze 1187:                p->flags |= TERMP_NOSPACE;
1.132     schwarze 1188:                term_word(p, "()");
                   1189:
                   1190:                if (nchild > 2 && n->next) {
                   1191:                        p->flags |= TERMP_NOSPACE;
                   1192:                        term_word(p, ",");
                   1193:                }
                   1194:
                   1195:                if (n->next && NULL == n->next->next)
                   1196:                        term_word(p, "and");
1.53      schwarze 1197:        }
                   1198:
1.132     schwarze 1199:        if (nchild > 1)
1.53      schwarze 1200:                term_word(p, "functions return");
                   1201:        else
                   1202:                term_word(p, "function returns");
1.1       kristaps 1203:
1.53      schwarze 1204:                term_word(p, "the value 0 if successful; otherwise the value "
                   1205:                        "-1 is returned and the global variable");
1.1       kristaps 1206:
1.65      schwarze 1207:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1208:        term_word(p, "errno");
1.65      schwarze 1209:        term_fontpop(p);
1.1       kristaps 1210:
                   1211:                term_word(p, "is set to indicate the error.");
1.84      schwarze 1212:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1213:
1.53      schwarze 1214:        return(0);
1.1       kristaps 1215: }
                   1216:
                   1217:
                   1218: /* ARGSUSED */
                   1219: static int
                   1220: termp_ex_pre(DECL_ARGS)
                   1221: {
1.132     schwarze 1222:        int              nchild;
1.1       kristaps 1223:
1.132     schwarze 1224:        term_newln(p);
1.53      schwarze 1225:        term_word(p, "The");
1.1       kristaps 1226:
1.132     schwarze 1227:        nchild = n->nchild;
                   1228:        for (n = n->child; n; n = n->next) {
1.65      schwarze 1229:                term_fontpush(p, TERMFONT_BOLD);
1.132     schwarze 1230:                term_word(p, n->string);
1.65      schwarze 1231:                term_fontpop(p);
1.132     schwarze 1232:
                   1233:                if (nchild > 2 && n->next) {
                   1234:                        p->flags |= TERMP_NOSPACE;
1.53      schwarze 1235:                        term_word(p, ",");
1.132     schwarze 1236:                }
                   1237:
                   1238:                if (n->next && NULL == n->next->next)
                   1239:                        term_word(p, "and");
1.53      schwarze 1240:        }
                   1241:
1.132     schwarze 1242:        if (nchild > 1)
1.53      schwarze 1243:                term_word(p, "utilities exit");
                   1244:        else
                   1245:                term_word(p, "utility exits");
                   1246:
                   1247:                term_word(p, "0 on success, and >0 if an error occurs.");
1.132     schwarze 1248:
1.84      schwarze 1249:        p->flags |= TERMP_SENTENCE;
1.53      schwarze 1250:        return(0);
1.1       kristaps 1251: }
                   1252:
                   1253:
                   1254: /* ARGSUSED */
                   1255: static int
                   1256: termp_nd_pre(DECL_ARGS)
                   1257: {
1.25      schwarze 1258:
1.60      schwarze 1259:        if (MDOC_BODY != n->type)
1.25      schwarze 1260:                return(1);
                   1261:
                   1262: #if defined(__OpenBSD__) || defined(__linux__)
                   1263:        term_word(p, "\\(en");
1.24      schwarze 1264: #else
                   1265:        term_word(p, "\\(em");
                   1266: #endif
1.1       kristaps 1267:        return(1);
                   1268: }
                   1269:
                   1270:
                   1271: /* ARGSUSED */
1.73      schwarze 1272: static int
                   1273: termp_bl_pre(DECL_ARGS)
                   1274: {
                   1275:
                   1276:        return(MDOC_HEAD != n->type);
                   1277: }
                   1278:
                   1279:
                   1280: /* ARGSUSED */
1.1       kristaps 1281: static void
                   1282: termp_bl_post(DECL_ARGS)
                   1283: {
                   1284:
1.60      schwarze 1285:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1286:                term_newln(p);
                   1287: }
                   1288:
                   1289: /* ARGSUSED */
                   1290: static int
                   1291: termp_xr_pre(DECL_ARGS)
                   1292: {
                   1293:
1.132     schwarze 1294:        if (NULL == (n = n->child))
1.72      schwarze 1295:                return(0);
                   1296:
1.132     schwarze 1297:        assert(MDOC_TEXT == n->type);
                   1298:        term_word(p, n->string);
1.10      schwarze 1299:
1.132     schwarze 1300:        if (NULL == (n = n->next))
1.1       kristaps 1301:                return(0);
1.132     schwarze 1302:
1.1       kristaps 1303:        p->flags |= TERMP_NOSPACE;
                   1304:        term_word(p, "(");
1.132     schwarze 1305:        p->flags |= TERMP_NOSPACE;
                   1306:
                   1307:        assert(MDOC_TEXT == n->type);
                   1308:        term_word(p, n->string);
                   1309:
                   1310:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1311:        term_word(p, ")");
1.60      schwarze 1312:
1.1       kristaps 1313:        return(0);
                   1314: }
                   1315:
1.86      schwarze 1316: /*
                   1317:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1318:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1319:  * macro combos).
                   1320:  */
                   1321: static void
                   1322: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1323: {
                   1324:        /*
                   1325:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1326:         * exist, do nothing.
                   1327:         */
1.92      schwarze 1328:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86      schwarze 1329:                return;
                   1330:
                   1331:        /*
                   1332:         * If we're the second in a pair of like elements, emit our
                   1333:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1334:         * case we soldier on.
                   1335:         */
                   1336:        if (n->prev->tok == n->tok &&
                   1337:                        MDOC_Ft != n->tok &&
                   1338:                        MDOC_Fo != n->tok &&
                   1339:                        MDOC_Fn != n->tok) {
                   1340:                term_newln(p);
                   1341:                return;
                   1342:        }
                   1343:
                   1344:        /*
                   1345:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1346:         * another (or Fn/Fo, which we've let slip through) then assert
                   1347:         * vertical space, else only newline and move on.
                   1348:         */
                   1349:        switch (n->prev->tok) {
                   1350:        case (MDOC_Fd):
                   1351:                /* FALLTHROUGH */
                   1352:        case (MDOC_Fn):
                   1353:                /* FALLTHROUGH */
                   1354:        case (MDOC_Fo):
                   1355:                /* FALLTHROUGH */
                   1356:        case (MDOC_In):
                   1357:                /* FALLTHROUGH */
                   1358:        case (MDOC_Vt):
                   1359:                term_vspace(p);
                   1360:                break;
                   1361:        case (MDOC_Ft):
                   1362:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1363:                        term_vspace(p);
                   1364:                        break;
                   1365:                }
                   1366:                /* FALLTHROUGH */
                   1367:        default:
                   1368:                term_newln(p);
                   1369:                break;
                   1370:        }
                   1371: }
                   1372:
                   1373:
1.69      schwarze 1374: static int
                   1375: termp_vt_pre(DECL_ARGS)
                   1376: {
                   1377:
1.86      schwarze 1378:        if (MDOC_ELEM == n->type) {
                   1379:                synopsis_pre(p, n);
1.69      schwarze 1380:                return(termp_under_pre(p, pair, m, n));
1.86      schwarze 1381:        } else if (MDOC_BLOCK == n->type) {
                   1382:                synopsis_pre(p, n);
                   1383:                return(1);
                   1384:        } else if (MDOC_HEAD == n->type)
1.69      schwarze 1385:                return(0);
                   1386:
                   1387:        return(termp_under_pre(p, pair, m, n));
                   1388: }
                   1389:
                   1390:
1.1       kristaps 1391: /* ARGSUSED */
                   1392: static int
1.54      schwarze 1393: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1394: {
                   1395:
1.65      schwarze 1396:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1397:        return(1);
                   1398: }
                   1399:
                   1400:
                   1401: /* ARGSUSED */
1.86      schwarze 1402: static int
                   1403: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1404: {
                   1405:
1.86      schwarze 1406:        synopsis_pre(p, n);
                   1407:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1408: }
                   1409:
                   1410:
                   1411: /* ARGSUSED */
                   1412: static int
                   1413: termp_sh_pre(DECL_ARGS)
                   1414: {
1.60      schwarze 1415:
                   1416:        /* No vspace between consecutive `Sh' calls. */
                   1417:
                   1418:        switch (n->type) {
1.52      schwarze 1419:        case (MDOC_BLOCK):
1.60      schwarze 1420:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1421:                        if (NULL == n->prev->body->child)
1.52      schwarze 1422:                                break;
                   1423:                term_vspace(p);
                   1424:                break;
1.1       kristaps 1425:        case (MDOC_HEAD):
1.65      schwarze 1426:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1427:                break;
                   1428:        case (MDOC_BODY):
1.89      schwarze 1429:                p->offset = term_len(p, INDENT);
1.1       kristaps 1430:                break;
                   1431:        default:
                   1432:                break;
                   1433:        }
                   1434:        return(1);
                   1435: }
                   1436:
                   1437:
                   1438: /* ARGSUSED */
                   1439: static void
                   1440: termp_sh_post(DECL_ARGS)
                   1441: {
                   1442:
1.60      schwarze 1443:        switch (n->type) {
1.1       kristaps 1444:        case (MDOC_HEAD):
                   1445:                term_newln(p);
                   1446:                break;
                   1447:        case (MDOC_BODY):
                   1448:                term_newln(p);
                   1449:                p->offset = 0;
                   1450:                break;
                   1451:        default:
                   1452:                break;
                   1453:        }
                   1454: }
                   1455:
                   1456:
                   1457: /* ARGSUSED */
                   1458: static int
                   1459: termp_bt_pre(DECL_ARGS)
                   1460: {
                   1461:
                   1462:        term_word(p, "is currently in beta test.");
1.84      schwarze 1463:        p->flags |= TERMP_SENTENCE;
1.59      schwarze 1464:        return(0);
1.1       kristaps 1465: }
                   1466:
                   1467:
                   1468: /* ARGSUSED */
                   1469: static void
                   1470: termp_lb_post(DECL_ARGS)
                   1471: {
                   1472:
1.77      schwarze 1473:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57      schwarze 1474:                term_newln(p);
1.1       kristaps 1475: }
                   1476:
                   1477:
                   1478: /* ARGSUSED */
                   1479: static int
                   1480: termp_ud_pre(DECL_ARGS)
                   1481: {
                   1482:
                   1483:        term_word(p, "currently under development.");
1.84      schwarze 1484:        p->flags |= TERMP_SENTENCE;
1.60      schwarze 1485:        return(0);
1.1       kristaps 1486: }
                   1487:
                   1488:
                   1489: /* ARGSUSED */
                   1490: static int
                   1491: termp_d1_pre(DECL_ARGS)
                   1492: {
                   1493:
1.60      schwarze 1494:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1495:                return(1);
                   1496:        term_newln(p);
1.89      schwarze 1497:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1498:        return(1);
                   1499: }
                   1500:
                   1501:
                   1502: /* ARGSUSED */
                   1503: static void
                   1504: termp_d1_post(DECL_ARGS)
                   1505: {
                   1506:
1.60      schwarze 1507:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1508:                return;
                   1509:        term_newln(p);
                   1510: }
                   1511:
                   1512:
                   1513: /* ARGSUSED */
                   1514: static int
                   1515: termp_ft_pre(DECL_ARGS)
                   1516: {
                   1517:
1.85      schwarze 1518:        /* NB: MDOC_LINE does not effect this! */
1.86      schwarze 1519:        synopsis_pre(p, n);
1.65      schwarze 1520:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1521:        return(1);
                   1522: }
                   1523:
                   1524:
                   1525: /* ARGSUSED */
                   1526: static int
                   1527: termp_fn_pre(DECL_ARGS)
                   1528: {
1.132     schwarze 1529:        int              pretty;
                   1530:
                   1531:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1532:
1.86      schwarze 1533:        synopsis_pre(p, n);
1.85      schwarze 1534:
1.132     schwarze 1535:        if (NULL == (n = n->child))
                   1536:                return(0);
                   1537:
                   1538:        assert(MDOC_TEXT == n->type);
1.65      schwarze 1539:        term_fontpush(p, TERMFONT_BOLD);
1.132     schwarze 1540:        term_word(p, n->string);
1.65      schwarze 1541:        term_fontpop(p);
1.1       kristaps 1542:
                   1543:        p->flags |= TERMP_NOSPACE;
                   1544:        term_word(p, "(");
1.132     schwarze 1545:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1546:
1.132     schwarze 1547:        for (n = n->next; n; n = n->next) {
                   1548:                assert(MDOC_TEXT == n->type);
1.65      schwarze 1549:                term_fontpush(p, TERMFONT_UNDER);
1.132     schwarze 1550:                term_word(p, n->string);
1.65      schwarze 1551:                term_fontpop(p);
                   1552:
1.132     schwarze 1553:                if (n->next) {
                   1554:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1555:                        term_word(p, ",");
1.132     schwarze 1556:                }
1.1       kristaps 1557:        }
                   1558:
1.132     schwarze 1559:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1560:        term_word(p, ")");
                   1561:
1.132     schwarze 1562:        if (pretty) {
                   1563:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1564:                term_word(p, ";");
1.132     schwarze 1565:        }
1.1       kristaps 1566:
                   1567:        return(0);
                   1568: }
                   1569:
                   1570:
                   1571: /* ARGSUSED */
                   1572: static int
                   1573: termp_fa_pre(DECL_ARGS)
                   1574: {
1.60      schwarze 1575:        const struct mdoc_node  *nn;
1.1       kristaps 1576:
1.60      schwarze 1577:        if (n->parent->tok != MDOC_Fo) {
1.65      schwarze 1578:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1579:                return(1);
                   1580:        }
                   1581:
1.60      schwarze 1582:        for (nn = n->child; nn; nn = nn->next) {
1.65      schwarze 1583:                term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 1584:                term_word(p, nn->string);
1.65      schwarze 1585:                term_fontpop(p);
                   1586:
1.132     schwarze 1587:                if (nn->next) {
                   1588:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1589:                        term_word(p, ",");
1.132     schwarze 1590:                }
1.1       kristaps 1591:        }
                   1592:
1.132     schwarze 1593:        if (n->child && n->next && n->next->tok == MDOC_Fa) {
                   1594:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1595:                term_word(p, ",");
1.132     schwarze 1596:        }
1.1       kristaps 1597:
                   1598:        return(0);
                   1599: }
                   1600:
                   1601:
                   1602: /* ARGSUSED */
                   1603: static int
                   1604: termp_bd_pre(DECL_ARGS)
                   1605: {
1.99      schwarze 1606:        size_t                   tabwidth, rm, rmax;
1.60      schwarze 1607:        const struct mdoc_node  *nn;
1.1       kristaps 1608:
1.60      schwarze 1609:        if (MDOC_BLOCK == n->type) {
1.61      schwarze 1610:                print_bvspace(p, n, n);
1.45      schwarze 1611:                return(1);
1.73      schwarze 1612:        } else if (MDOC_HEAD == n->type)
                   1613:                return(0);
1.1       kristaps 1614:
1.121     schwarze 1615:        if (n->norm->Bd.offs)
                   1616:                p->offset += a2offs(p, n->norm->Bd.offs);
1.60      schwarze 1617:
                   1618:        /*
                   1619:         * If -ragged or -filled are specified, the block does nothing
                   1620:         * but change the indentation.  If -unfilled or -literal are
                   1621:         * specified, text is printed exactly as entered in the display:
                   1622:         * for macro lines, a newline is appended to the line.  Blank
                   1623:         * lines are allowed.
                   1624:         */
1.48      schwarze 1625:
1.121     schwarze 1626:        if (DISP_literal != n->norm->Bd.type &&
                   1627:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1628:                return(1);
                   1629:
1.75      schwarze 1630:        tabwidth = p->tabwidth;
1.123     schwarze 1631:        if (DISP_literal == n->norm->Bd.type)
                   1632:                p->tabwidth = term_len(p, 8);
                   1633:
1.77      schwarze 1634:        rm = p->rmargin;
                   1635:        rmax = p->maxrmargin;
                   1636:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
                   1637:
1.60      schwarze 1638:        for (nn = n->child; nn; nn = nn->next) {
1.100     schwarze 1639:                print_mdoc_node(p, pair, m, nn);
1.108     schwarze 1640:                /*
                   1641:                 * If the printed node flushes its own line, then we
                   1642:                 * needn't do it here as well.  This is hacky, but the
                   1643:                 * notion of selective eoln whitespace is pretty dumb
                   1644:                 * anyway, so don't sweat it.
                   1645:                 */
                   1646:                switch (nn->tok) {
1.112     schwarze 1647:                case (MDOC_Sm):
                   1648:                        /* FALLTHROUGH */
1.108     schwarze 1649:                case (MDOC_br):
                   1650:                        /* FALLTHROUGH */
                   1651:                case (MDOC_sp):
                   1652:                        /* FALLTHROUGH */
                   1653:                case (MDOC_Bl):
1.115     schwarze 1654:                        /* FALLTHROUGH */
                   1655:                case (MDOC_D1):
                   1656:                        /* FALLTHROUGH */
                   1657:                case (MDOC_Dl):
1.108     schwarze 1658:                        /* FALLTHROUGH */
                   1659:                case (MDOC_Lp):
                   1660:                        /* FALLTHROUGH */
                   1661:                case (MDOC_Pp):
                   1662:                        continue;
                   1663:                default:
                   1664:                        break;
                   1665:                }
1.100     schwarze 1666:                if (nn->next && nn->next->line == nn->line)
                   1667:                        continue;
                   1668:                term_flushln(p);
1.48      schwarze 1669:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1670:        }
1.88      schwarze 1671:
1.75      schwarze 1672:        p->tabwidth = tabwidth;
1.77      schwarze 1673:        p->rmargin = rm;
                   1674:        p->maxrmargin = rmax;
1.1       kristaps 1675:        return(0);
                   1676: }
                   1677:
                   1678:
                   1679: /* ARGSUSED */
                   1680: static void
                   1681: termp_bd_post(DECL_ARGS)
                   1682: {
1.77      schwarze 1683:        size_t           rm, rmax;
1.1       kristaps 1684:
1.60      schwarze 1685:        if (MDOC_BODY != n->type)
1.1       kristaps 1686:                return;
1.77      schwarze 1687:
                   1688:        rm = p->rmargin;
                   1689:        rmax = p->maxrmargin;
                   1690:
1.121     schwarze 1691:        if (DISP_literal == n->norm->Bd.type ||
                   1692:                        DISP_unfilled == n->norm->Bd.type)
1.77      schwarze 1693:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
                   1694:
1.48      schwarze 1695:        p->flags |= TERMP_NOSPACE;
1.75      schwarze 1696:        term_newln(p);
1.77      schwarze 1697:
                   1698:        p->rmargin = rm;
                   1699:        p->maxrmargin = rmax;
1.1       kristaps 1700: }
                   1701:
                   1702:
                   1703: /* ARGSUSED */
1.126     schwarze 1704: static int
                   1705: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1706: {
                   1707:
1.126     schwarze 1708:        if (NULL != (n = n->child)) {
                   1709:                term_word(p, n->string);
                   1710:                p->flags |= TERMP_NOSPACE;
                   1711:                term_word(p, "BSD");
                   1712:        } else {
                   1713:                term_word(p, "BSD");
                   1714:                return(0);
                   1715:        }
                   1716:
                   1717:        if (NULL != (n = n->next)) {
                   1718:                p->flags |= TERMP_NOSPACE;
                   1719:                term_word(p, "-");
1.1       kristaps 1720:                p->flags |= TERMP_NOSPACE;
1.126     schwarze 1721:                term_word(p, n->string);
                   1722:        }
                   1723:
                   1724:        return(0);
1.1       kristaps 1725: }
                   1726:
                   1727:
                   1728: /* ARGSUSED */
                   1729: static int
1.26      schwarze 1730: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1731: {
1.26      schwarze 1732:        const char      *pp;
1.129     schwarze 1733:        int              flags;
1.1       kristaps 1734:
1.26      schwarze 1735:        pp = NULL;
1.60      schwarze 1736:        switch (n->tok) {
1.26      schwarze 1737:        case (MDOC_Bsx):
1.113     schwarze 1738:                pp = "BSD/OS";
1.26      schwarze 1739:                break;
                   1740:        case (MDOC_Dx):
1.64      schwarze 1741:                pp = "DragonFly";
1.26      schwarze 1742:                break;
                   1743:        case (MDOC_Fx):
                   1744:                pp = "FreeBSD";
                   1745:                break;
                   1746:        case (MDOC_Nx):
                   1747:                pp = "NetBSD";
                   1748:                break;
                   1749:        case (MDOC_Ox):
                   1750:                pp = "OpenBSD";
                   1751:                break;
                   1752:        case (MDOC_Ux):
                   1753:                pp = "UNIX";
                   1754:                break;
                   1755:        default:
                   1756:                break;
                   1757:        }
1.1       kristaps 1758:
1.26      schwarze 1759:        term_word(p, pp);
1.129     schwarze 1760:        if (n->child) {
                   1761:                flags = p->flags;
                   1762:                p->flags |= TERMP_KEEP;
                   1763:                term_word(p, n->child->string);
                   1764:                p->flags = flags;
                   1765:        }
                   1766:        return(0);
1.1       kristaps 1767: }
                   1768:
                   1769:
                   1770: /* ARGSUSED */
                   1771: static int
1.109     schwarze 1772: termp_igndelim_pre(DECL_ARGS)
1.1       kristaps 1773: {
                   1774:
                   1775:        p->flags |= TERMP_IGNDELIM;
                   1776:        return(1);
                   1777: }
                   1778:
                   1779:
                   1780: /* ARGSUSED */
                   1781: static void
                   1782: termp_pf_post(DECL_ARGS)
                   1783: {
                   1784:
                   1785:        p->flags |= TERMP_NOSPACE;
                   1786: }
                   1787:
                   1788:
                   1789: /* ARGSUSED */
                   1790: static int
                   1791: termp_ss_pre(DECL_ARGS)
                   1792: {
                   1793:
1.60      schwarze 1794:        switch (n->type) {
1.1       kristaps 1795:        case (MDOC_BLOCK):
                   1796:                term_newln(p);
1.60      schwarze 1797:                if (n->prev)
1.1       kristaps 1798:                        term_vspace(p);
                   1799:                break;
                   1800:        case (MDOC_HEAD):
1.65      schwarze 1801:                term_fontpush(p, TERMFONT_BOLD);
1.89      schwarze 1802:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1803:                break;
                   1804:        default:
                   1805:                break;
                   1806:        }
                   1807:
                   1808:        return(1);
                   1809: }
                   1810:
                   1811:
                   1812: /* ARGSUSED */
                   1813: static void
                   1814: termp_ss_post(DECL_ARGS)
                   1815: {
                   1816:
1.60      schwarze 1817:        if (MDOC_HEAD == n->type)
1.1       kristaps 1818:                term_newln(p);
                   1819: }
                   1820:
                   1821:
                   1822: /* ARGSUSED */
                   1823: static int
                   1824: termp_cd_pre(DECL_ARGS)
                   1825: {
                   1826:
1.86      schwarze 1827:        synopsis_pre(p, n);
1.65      schwarze 1828:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1829:        return(1);
                   1830: }
                   1831:
                   1832:
                   1833: /* ARGSUSED */
                   1834: static int
                   1835: termp_in_pre(DECL_ARGS)
                   1836: {
                   1837:
1.86      schwarze 1838:        synopsis_pre(p, n);
1.85      schwarze 1839:
1.92      schwarze 1840:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85      schwarze 1841:                term_fontpush(p, TERMFONT_BOLD);
1.23      schwarze 1842:                term_word(p, "#include");
1.85      schwarze 1843:                term_word(p, "<");
                   1844:        } else {
                   1845:                term_word(p, "<");
                   1846:                term_fontpush(p, TERMFONT_UNDER);
                   1847:        }
1.23      schwarze 1848:
1.1       kristaps 1849:        p->flags |= TERMP_NOSPACE;
                   1850:        return(1);
                   1851: }
                   1852:
                   1853:
                   1854: /* ARGSUSED */
                   1855: static void
                   1856: termp_in_post(DECL_ARGS)
                   1857: {
                   1858:
1.92      schwarze 1859:        if (MDOC_SYNPRETTY & n->flags)
1.85      schwarze 1860:                term_fontpush(p, TERMFONT_BOLD);
                   1861:
1.59      schwarze 1862:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1863:        term_word(p, ">");
                   1864:
1.92      schwarze 1865:        if (MDOC_SYNPRETTY & n->flags)
1.85      schwarze 1866:                term_fontpop(p);
1.38      schwarze 1867: }
                   1868:
                   1869:
                   1870: /* ARGSUSED */
                   1871: static int
                   1872: termp_sp_pre(DECL_ARGS)
                   1873: {
1.61      schwarze 1874:        size_t           i, len;
1.38      schwarze 1875:
1.60      schwarze 1876:        switch (n->tok) {
1.54      schwarze 1877:        case (MDOC_sp):
1.89      schwarze 1878:                len = n->child ? a2height(p, n->child->string) : 1;
1.54      schwarze 1879:                break;
                   1880:        case (MDOC_br):
                   1881:                len = 0;
                   1882:                break;
                   1883:        default:
                   1884:                len = 1;
                   1885:                break;
1.38      schwarze 1886:        }
                   1887:
                   1888:        if (0 == len)
                   1889:                term_newln(p);
                   1890:        for (i = 0; i < len; i++)
                   1891:                term_vspace(p);
                   1892:
                   1893:        return(0);
                   1894: }
                   1895:
                   1896:
                   1897: /* ARGSUSED */
                   1898: static int
1.107     schwarze 1899: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1900: {
                   1901:
1.120     schwarze 1902:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1903:                return(1);
                   1904:
1.107     schwarze 1905:        switch (n->tok) {
                   1906:        case (MDOC_Ao):
                   1907:                /* FALLTHROUGH */
                   1908:        case (MDOC_Aq):
                   1909:                term_word(p, "<");
                   1910:                break;
                   1911:        case (MDOC_Bro):
                   1912:                /* FALLTHROUGH */
                   1913:        case (MDOC_Brq):
                   1914:                term_word(p, "{");
                   1915:                break;
                   1916:        case (MDOC_Oo):
                   1917:                /* FALLTHROUGH */
                   1918:        case (MDOC_Op):
                   1919:                /* FALLTHROUGH */
                   1920:        case (MDOC_Bo):
                   1921:                /* FALLTHROUGH */
                   1922:        case (MDOC_Bq):
                   1923:                term_word(p, "[");
                   1924:                break;
                   1925:        case (MDOC_Do):
                   1926:                /* FALLTHROUGH */
                   1927:        case (MDOC_Dq):
                   1928:                term_word(p, "``");
                   1929:                break;
                   1930:        case (MDOC_Po):
                   1931:                /* FALLTHROUGH */
                   1932:        case (MDOC_Pq):
                   1933:                term_word(p, "(");
                   1934:                break;
1.120     schwarze 1935:        case (MDOC__T):
                   1936:                /* FALLTHROUGH */
1.107     schwarze 1937:        case (MDOC_Qo):
                   1938:                /* FALLTHROUGH */
                   1939:        case (MDOC_Qq):
                   1940:                term_word(p, "\"");
                   1941:                break;
                   1942:        case (MDOC_Ql):
                   1943:                /* FALLTHROUGH */
                   1944:        case (MDOC_So):
                   1945:                /* FALLTHROUGH */
                   1946:        case (MDOC_Sq):
                   1947:                term_word(p, "`");
                   1948:                break;
                   1949:        default:
                   1950:                abort();
                   1951:                /* NOTREACHED */
                   1952:        }
1.1       kristaps 1953:
                   1954:        p->flags |= TERMP_NOSPACE;
                   1955:        return(1);
                   1956: }
                   1957:
                   1958:
                   1959: /* ARGSUSED */
                   1960: static void
1.107     schwarze 1961: termp_quote_post(DECL_ARGS)
1.1       kristaps 1962: {
                   1963:
1.120     schwarze 1964:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1965:                return;
                   1966:
                   1967:        p->flags |= TERMP_NOSPACE;
                   1968:
1.107     schwarze 1969:        switch (n->tok) {
                   1970:        case (MDOC_Ao):
                   1971:                /* FALLTHROUGH */
                   1972:        case (MDOC_Aq):
                   1973:                term_word(p, ">");
                   1974:                break;
                   1975:        case (MDOC_Bro):
                   1976:                /* FALLTHROUGH */
                   1977:        case (MDOC_Brq):
                   1978:                term_word(p, "}");
                   1979:                break;
                   1980:        case (MDOC_Oo):
                   1981:                /* FALLTHROUGH */
                   1982:        case (MDOC_Op):
                   1983:                /* FALLTHROUGH */
                   1984:        case (MDOC_Bo):
                   1985:                /* FALLTHROUGH */
                   1986:        case (MDOC_Bq):
                   1987:                term_word(p, "]");
                   1988:                break;
                   1989:        case (MDOC_Do):
                   1990:                /* FALLTHROUGH */
                   1991:        case (MDOC_Dq):
                   1992:                term_word(p, "''");
                   1993:                break;
                   1994:        case (MDOC_Po):
                   1995:                /* FALLTHROUGH */
                   1996:        case (MDOC_Pq):
                   1997:                term_word(p, ")");
                   1998:                break;
1.120     schwarze 1999:        case (MDOC__T):
                   2000:                /* FALLTHROUGH */
1.107     schwarze 2001:        case (MDOC_Qo):
                   2002:                /* FALLTHROUGH */
                   2003:        case (MDOC_Qq):
                   2004:                term_word(p, "\"");
                   2005:                break;
                   2006:        case (MDOC_Ql):
                   2007:                /* FALLTHROUGH */
                   2008:        case (MDOC_So):
                   2009:                /* FALLTHROUGH */
                   2010:        case (MDOC_Sq):
                   2011:                term_word(p, "'");
                   2012:                break;
                   2013:        default:
                   2014:                abort();
                   2015:                /* NOTREACHED */
                   2016:        }
1.1       kristaps 2017: }
                   2018:
                   2019:
                   2020: /* ARGSUSED */
                   2021: static int
                   2022: termp_fo_pre(DECL_ARGS)
                   2023: {
                   2024:
1.85      schwarze 2025:        if (MDOC_BLOCK == n->type) {
1.86      schwarze 2026:                synopsis_pre(p, n);
1.85      schwarze 2027:                return(1);
                   2028:        } else if (MDOC_BODY == n->type) {
1.31      schwarze 2029:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2030:                term_word(p, "(");
1.132     schwarze 2031:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2032:                return(1);
1.85      schwarze 2033:        }
                   2034:
1.95      schwarze 2035:        if (NULL == n->child)
                   2036:                return(0);
                   2037:
1.85      schwarze 2038:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2039:
1.85      schwarze 2040:        assert(n->child->string);
1.65      schwarze 2041:        term_fontpush(p, TERMFONT_BOLD);
1.85      schwarze 2042:        term_word(p, n->child->string);
1.1       kristaps 2043:        return(0);
                   2044: }
                   2045:
                   2046:
                   2047: /* ARGSUSED */
                   2048: static void
                   2049: termp_fo_post(DECL_ARGS)
                   2050: {
                   2051:
1.86      schwarze 2052:        if (MDOC_BODY != n->type)
                   2053:                return;
                   2054:
1.132     schwarze 2055:        p->flags |= TERMP_NOSPACE;
1.86      schwarze 2056:        term_word(p, ")");
                   2057:
1.132     schwarze 2058:        if (MDOC_SYNPRETTY & n->flags) {
                   2059:                p->flags |= TERMP_NOSPACE;
1.86      schwarze 2060:                term_word(p, ";");
1.132     schwarze 2061:        }
1.1       kristaps 2062: }
                   2063:
                   2064:
                   2065: /* ARGSUSED */
                   2066: static int
                   2067: termp_bf_pre(DECL_ARGS)
                   2068: {
                   2069:
1.60      schwarze 2070:        if (MDOC_HEAD == n->type)
1.1       kristaps 2071:                return(0);
1.60      schwarze 2072:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2073:                return(1);
                   2074:
1.121     schwarze 2075:        if (FONT_Em == n->norm->Bf.font)
1.65      schwarze 2076:                term_fontpush(p, TERMFONT_UNDER);
1.121     schwarze 2077:        else if (FONT_Sy == n->norm->Bf.font)
1.65      schwarze 2078:                term_fontpush(p, TERMFONT_BOLD);
1.95      schwarze 2079:        else
1.65      schwarze 2080:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2081:
                   2082:        return(1);
                   2083: }
                   2084:
                   2085:
                   2086: /* ARGSUSED */
                   2087: static int
                   2088: termp_sm_pre(DECL_ARGS)
                   2089: {
                   2090:
1.60      schwarze 2091:        assert(n->child && MDOC_TEXT == n->child->type);
1.96      schwarze 2092:        if (0 == strcmp("on", n->child->string)) {
                   2093:                if (p->col)
                   2094:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2095:                p->flags &= ~TERMP_NONOSPACE;
1.96      schwarze 2096:        } else
1.1       kristaps 2097:                p->flags |= TERMP_NONOSPACE;
                   2098:
                   2099:        return(0);
                   2100: }
                   2101:
                   2102:
                   2103: /* ARGSUSED */
                   2104: static int
                   2105: termp_ap_pre(DECL_ARGS)
                   2106: {
                   2107:
                   2108:        p->flags |= TERMP_NOSPACE;
1.107     schwarze 2109:        term_word(p, "'");
1.1       kristaps 2110:        p->flags |= TERMP_NOSPACE;
                   2111:        return(1);
                   2112: }
                   2113:
                   2114:
                   2115: /* ARGSUSED */
                   2116: static void
                   2117: termp____post(DECL_ARGS)
                   2118: {
1.104     schwarze 2119:
                   2120:        /*
                   2121:         * Handle lists of authors.  In general, print each followed by
                   2122:         * a comma.  Don't print the comma if there are only two
                   2123:         * authors.
                   2124:         */
                   2125:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2126:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2127:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2128:                                return;
1.1       kristaps 2129:
1.62      schwarze 2130:        /* TODO: %U. */
                   2131:
1.106     schwarze 2132:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2133:                return;
                   2134:
1.132     schwarze 2135:        p->flags |= TERMP_NOSPACE;
1.106     schwarze 2136:        if (NULL == n->next) {
                   2137:                term_word(p, ".");
                   2138:                p->flags |= TERMP_SENTENCE;
                   2139:        } else
                   2140:                term_word(p, ",");
1.1       kristaps 2141: }
                   2142:
                   2143:
                   2144: /* ARGSUSED */
                   2145: static int
1.65      schwarze 2146: termp_li_pre(DECL_ARGS)
                   2147: {
                   2148:
                   2149:        term_fontpush(p, TERMFONT_NONE);
                   2150:        return(1);
                   2151: }
                   2152:
                   2153:
                   2154: /* ARGSUSED */
                   2155: static int
1.1       kristaps 2156: termp_lk_pre(DECL_ARGS)
                   2157: {
1.101     schwarze 2158:        const struct mdoc_node *nn, *sv;
1.1       kristaps 2159:
1.65      schwarze 2160:        term_fontpush(p, TERMFONT_UNDER);
1.101     schwarze 2161:
                   2162:        nn = sv = n->child;
1.62      schwarze 2163:
1.114     schwarze 2164:        if (NULL == nn || NULL == nn->next)
1.6       schwarze 2165:                return(1);
1.1       kristaps 2166:
1.101     schwarze 2167:        for (nn = nn->next; nn; nn = nn->next)
                   2168:                term_word(p, nn->string);
                   2169:
1.65      schwarze 2170:        term_fontpop(p);
1.62      schwarze 2171:
1.132     schwarze 2172:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 2173:        term_word(p, ":");
                   2174:
1.65      schwarze 2175:        term_fontpush(p, TERMFONT_BOLD);
1.101     schwarze 2176:        term_word(p, sv->string);
1.65      schwarze 2177:        term_fontpop(p);
1.6       schwarze 2178:
1.1       kristaps 2179:        return(0);
                   2180: }
                   2181:
1.90      schwarze 2182:
                   2183: /* ARGSUSED */
                   2184: static int
                   2185: termp_bk_pre(DECL_ARGS)
                   2186: {
                   2187:
1.91      schwarze 2188:        switch (n->type) {
                   2189:        case (MDOC_BLOCK):
1.95      schwarze 2190:                break;
1.91      schwarze 2191:        case (MDOC_HEAD):
                   2192:                return(0);
                   2193:        case (MDOC_BODY):
1.117     schwarze 2194:                if (n->parent->args || 0 == n->prev->nchild)
                   2195:                        p->flags |= TERMP_PREKEEP;
1.95      schwarze 2196:                break;
1.91      schwarze 2197:        default:
                   2198:                abort();
1.95      schwarze 2199:                /* NOTREACHED */
1.91      schwarze 2200:        }
1.95      schwarze 2201:
                   2202:        return(1);
1.90      schwarze 2203: }
                   2204:
                   2205:
                   2206: /* ARGSUSED */
                   2207: static void
                   2208: termp_bk_post(DECL_ARGS)
                   2209: {
                   2210:
1.91      schwarze 2211:        if (MDOC_BODY == n->type)
                   2212:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90      schwarze 2213: }
1.120     schwarze 2214:
                   2215: /* ARGSUSED */
                   2216: static void
                   2217: termp__t_post(DECL_ARGS)
                   2218: {
                   2219:
                   2220:        /*
                   2221:         * If we're in an `Rs' and there's a journal present, then quote
                   2222:         * us instead of underlining us (for disambiguation).
                   2223:         */
1.121     schwarze 2224:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.125     schwarze 2225:                        n->parent->norm->Rs.quote_T)
1.120     schwarze 2226:                termp_quote_post(p, pair, m, n);
                   2227:
                   2228:        termp____post(p, pair, m, n);
                   2229: }
                   2230:
                   2231: /* ARGSUSED */
                   2232: static int
                   2233: termp__t_pre(DECL_ARGS)
                   2234: {
                   2235:
                   2236:        /*
                   2237:         * If we're in an `Rs' and there's a journal present, then quote
                   2238:         * us instead of underlining us (for disambiguation).
                   2239:         */
1.121     schwarze 2240:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.125     schwarze 2241:                        n->parent->norm->Rs.quote_T)
1.120     schwarze 2242:                return(termp_quote_pre(p, pair, m, n));
                   2243:
                   2244:        term_fontpush(p, TERMFONT_UNDER);
                   2245:        return(1);
1.121     schwarze 2246: }
1.1       kristaps 2247:
                   2248: /* ARGSUSED */
                   2249: static int
1.54      schwarze 2250: termp_under_pre(DECL_ARGS)
1.1       kristaps 2251: {
                   2252:
1.65      schwarze 2253:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 2254:        return(1);
                   2255: }