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Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.138

1.138   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.137 2011/09/20 09:02:18 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);
1.136     schwarze  434:        p->flags |= 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;
1.136     schwarze  442:        p->flags |= 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];
1.137     schwarze  457:        size_t          buflen, titlen;
1.87      schwarze  458:        const struct mdoc_meta *m;
                    459:
                    460:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  461:
                    462:        /*
                    463:         * The header is strange.  It has three components, which are
                    464:         * really two with the first duplicated.  It goes like this:
                    465:         *
                    466:         * IDENTIFIER              TITLE                   IDENTIFIER
                    467:         *
                    468:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    469:         * (if given, or "unknown" if not) followed by the manual page
                    470:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    471:         * string depending on the manual volume.  If not specified, it
                    472:         * switches on the manual section.
                    473:         */
                    474:
1.137     schwarze  475:        p->offset = 0;
                    476:        p->rmargin = p->maxrmargin;
                    477:
1.60      schwarze  478:        assert(m->vol);
1.63      schwarze  479:        strlcpy(buf, m->vol, BUFSIZ);
1.137     schwarze  480:        buflen = term_strlen(p, buf);
1.1       kristaps  481:
1.60      schwarze  482:        if (m->arch) {
1.63      schwarze  483:                strlcat(buf, " (", BUFSIZ);
                    484:                strlcat(buf, m->arch, BUFSIZ);
                    485:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  486:        }
                    487:
1.79      schwarze  488:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.137     schwarze  489:        titlen = term_strlen(p, title);
1.1       kristaps  490:
1.137     schwarze  491:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.1       kristaps  492:        p->offset = 0;
1.137     schwarze  493:        p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
                    494:            (p->maxrmargin -
                    495:             term_strlen(p, buf) + term_len(p, 1)) / 2 :
                    496:            p->maxrmargin - buflen;
1.1       kristaps  497:
                    498:        term_word(p, title);
                    499:        term_flushln(p);
                    500:
1.137     schwarze  501:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  502:        p->offset = p->rmargin;
1.137     schwarze  503:        p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
                    504:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  505:
                    506:        term_word(p, buf);
                    507:        term_flushln(p);
                    508:
                    509:        p->flags &= ~TERMP_NOBREAK;
1.137     schwarze  510:        if (p->rmargin + titlen <= p->maxrmargin) {
                    511:                p->flags |= TERMP_NOSPACE;
                    512:                p->offset = p->rmargin;
                    513:                p->rmargin = p->maxrmargin;
                    514:                term_word(p, title);
                    515:                term_flushln(p);
                    516:        }
1.1       kristaps  517:
1.137     schwarze  518:        p->flags &= ~TERMP_NOSPACE;
1.8       schwarze  519:        p->offset = 0;
1.1       kristaps  520:        p->rmargin = p->maxrmargin;
                    521: }
                    522:
                    523:
                    524: static size_t
1.89      schwarze  525: a2height(const struct termp *p, const char *v)
1.1       kristaps  526: {
1.61      schwarze  527:        struct roffsu    su;
1.1       kristaps  528:
1.134     schwarze  529:
1.89      schwarze  530:        assert(v);
                    531:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.134     schwarze  532:                SCALE_VS_INIT(&su, atoi(v));
1.1       kristaps  533:
1.89      schwarze  534:        return(term_vspan(p, &su));
1.61      schwarze  535: }
1.34      schwarze  536:
1.1       kristaps  537:
1.61      schwarze  538: static size_t
1.89      schwarze  539: a2width(const struct termp *p, const char *v)
1.61      schwarze  540: {
                    541:        struct roffsu    su;
1.1       kristaps  542:
1.88      schwarze  543:        assert(v);
                    544:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89      schwarze  545:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  546:
1.89      schwarze  547:        return(term_hspan(p, &su));
1.1       kristaps  548: }
                    549:
                    550:
                    551: static size_t
1.89      schwarze  552: a2offs(const struct termp *p, const char *v)
1.1       kristaps  553: {
1.61      schwarze  554:        struct roffsu    su;
1.1       kristaps  555:
1.88      schwarze  556:        if ('\0' == *v)
1.61      schwarze  557:                return(0);
1.88      schwarze  558:        else if (0 == strcmp(v, "left"))
1.9       schwarze  559:                return(0);
1.88      schwarze  560:        else if (0 == strcmp(v, "indent"))
1.89      schwarze  561:                return(term_len(p, INDENT + 1));
1.88      schwarze  562:        else if (0 == strcmp(v, "indent-two"))
1.89      schwarze  563:                return(term_len(p, (INDENT + 1) * 2));
1.88      schwarze  564:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89      schwarze  565:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      schwarze  566:
1.89      schwarze  567:        return(term_hspan(p, &su));
1.1       kristaps  568: }
                    569:
                    570:
1.68      schwarze  571: /*
                    572:  * Determine how much space to print out before block elements of `It'
                    573:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    574:  * too.
                    575:  */
1.45      schwarze  576: static void
1.61      schwarze  577: print_bvspace(struct termp *p,
1.1       kristaps  578:                const struct mdoc_node *bl,
1.60      schwarze  579:                const struct mdoc_node *n)
1.1       kristaps  580: {
1.60      schwarze  581:        const struct mdoc_node  *nn;
1.138   ! schwarze  582:
        !           583:        assert(n);
1.1       kristaps  584:
                    585:        term_newln(p);
1.88      schwarze  586:
1.121     schwarze  587:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88      schwarze  588:                return;
1.121     schwarze  589:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45      schwarze  590:                return;
                    591:
1.60      schwarze  592:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  593:
1.60      schwarze  594:        for (nn = n; nn; nn = nn->parent) {
                    595:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  596:                        continue;
1.60      schwarze  597:                if (MDOC_Ss == nn->tok)
1.45      schwarze  598:                        return;
1.60      schwarze  599:                if (MDOC_Sh == nn->tok)
1.45      schwarze  600:                        return;
1.60      schwarze  601:                if (NULL == nn->prev)
1.1       kristaps  602:                        continue;
                    603:                break;
                    604:        }
                    605:
1.60      schwarze  606:        /* A `-column' does not assert vspace within the list. */
1.45      schwarze  607:
1.121     schwarze  608:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60      schwarze  609:                if (n->prev && MDOC_It == n->prev->tok)
1.45      schwarze  610:                        return;
                    611:
1.60      schwarze  612:        /* A `-diag' without body does not vspace. */
                    613:
1.121     schwarze  614:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60      schwarze  615:                if (n->prev && MDOC_It == n->prev->tok) {
                    616:                        assert(n->prev->body);
                    617:                        if (NULL == n->prev->body->child)
1.45      schwarze  618:                                return;
                    619:                }
                    620:
                    621:        term_vspace(p);
1.1       kristaps  622: }
                    623:
                    624:
                    625: /* ARGSUSED */
                    626: static int
                    627: termp_it_pre(DECL_ARGS)
                    628: {
1.60      schwarze  629:        const struct mdoc_node *bl, *nn;
1.1       kristaps  630:        char                    buf[7];
1.95      schwarze  631:        int                     i;
1.68      schwarze  632:        size_t                  width, offset, ncols, dcol;
1.82      schwarze  633:        enum mdoc_list          type;
1.1       kristaps  634:
1.60      schwarze  635:        if (MDOC_BLOCK == n->type) {
1.61      schwarze  636:                print_bvspace(p, n->parent->parent, n);
1.45      schwarze  637:                return(1);
                    638:        }
1.1       kristaps  639:
1.60      schwarze  640:        bl = n->parent->parent->parent;
1.121     schwarze  641:        type = bl->norm->Bl.type;
1.1       kristaps  642:
1.68      schwarze  643:        /*
                    644:         * First calculate width and offset.  This is pretty easy unless
                    645:         * we're a -column list, in which case all prior columns must
                    646:         * be accounted for.
                    647:         */
                    648:
                    649:        width = offset = 0;
                    650:
1.121     schwarze  651:        if (bl->norm->Bl.offs)
                    652:                offset = a2offs(p, bl->norm->Bl.offs);
1.66      schwarze  653:
1.1       kristaps  654:        switch (type) {
1.82      schwarze  655:        case (LIST_column):
1.85      schwarze  656:                if (MDOC_HEAD == n->type)
1.1       kristaps  657:                        break;
1.88      schwarze  658:
1.66      schwarze  659:                /*
1.68      schwarze  660:                 * Imitate groff's column handling:
                    661:                 * - For each earlier column, add its width.
                    662:                 * - For less than 5 columns, add four more blanks per
                    663:                 *   column.
                    664:                 * - For exactly 5 columns, add three more blank per
                    665:                 *   column.
                    666:                 * - For more than 5 columns, add only one column.
1.66      schwarze  667:                 */
1.121     schwarze  668:                ncols = bl->norm->Bl.ncols;
1.95      schwarze  669:
1.68      schwarze  670:                /* LINTED */
1.89      schwarze  671:                dcol = ncols < 5 ? term_len(p, 4) :
                    672:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68      schwarze  673:
1.85      schwarze  674:                /*
                    675:                 * Calculate the offset by applying all prior MDOC_BODY,
                    676:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    677:                 */
                    678:
1.68      schwarze  679:                for (i = 0, nn = n->prev;
1.85      schwarze  680:                                nn->prev && i < (int)ncols;
1.68      schwarze  681:                                nn = nn->prev, i++)
                    682:                        offset += dcol + a2width
1.121     schwarze  683:                                (p, bl->norm->Bl.cols[i]);
1.66      schwarze  684:
                    685:                /*
1.68      schwarze  686:                 * When exceeding the declared number of columns, leave
                    687:                 * the remaining widths at 0.  This will later be
                    688:                 * adjusted to the default width of 10, or, for the last
                    689:                 * column, stretched to the right margin.
1.46      schwarze  690:                 */
1.68      schwarze  691:                if (i >= (int)ncols)
                    692:                        break;
1.46      schwarze  693:
1.66      schwarze  694:                /*
1.68      schwarze  695:                 * Use the declared column widths, extended as explained
                    696:                 * in the preceding paragraph.
1.66      schwarze  697:                 */
1.121     schwarze  698:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  699:                break;
                    700:        default:
1.121     schwarze  701:                if (NULL == bl->norm->Bl.width)
1.68      schwarze  702:                        break;
                    703:
                    704:                /*
                    705:                 * Note: buffer the width by 2, which is groff's magic
                    706:                 * number for buffering single arguments.  See the above
                    707:                 * handling for column for how this changes.
                    708:                 */
1.121     schwarze  709:                assert(bl->norm->Bl.width);
                    710:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  711:                break;
                    712:        }
                    713:
                    714:        /*
                    715:         * List-type can override the width in the case of fixed-head
                    716:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.53      schwarze  717:         * offset.
1.1       kristaps  718:         */
                    719:
                    720:        switch (type) {
1.82      schwarze  721:        case (LIST_bullet):
1.1       kristaps  722:                /* FALLTHROUGH */
1.82      schwarze  723:        case (LIST_dash):
1.1       kristaps  724:                /* FALLTHROUGH */
1.82      schwarze  725:        case (LIST_hyphen):
1.89      schwarze  726:                if (width < term_len(p, 4))
                    727:                        width = term_len(p, 4);
1.19      schwarze  728:                break;
1.82      schwarze  729:        case (LIST_enum):
1.89      schwarze  730:                if (width < term_len(p, 5))
                    731:                        width = term_len(p, 5);
1.1       kristaps  732:                break;
1.82      schwarze  733:        case (LIST_hang):
1.33      schwarze  734:                if (0 == width)
1.89      schwarze  735:                        width = term_len(p, 8);
1.33      schwarze  736:                break;
1.82      schwarze  737:        case (LIST_column):
1.41      schwarze  738:                /* FALLTHROUGH */
1.82      schwarze  739:        case (LIST_tag):
1.1       kristaps  740:                if (0 == width)
1.89      schwarze  741:                        width = term_len(p, 10);
1.1       kristaps  742:                break;
                    743:        default:
                    744:                break;
                    745:        }
                    746:
                    747:        /*
1.16      schwarze  748:         * Whitespace control.  Inset bodies need an initial space,
                    749:         * while diagonal bodies need two.
1.1       kristaps  750:         */
                    751:
1.42      schwarze  752:        p->flags |= TERMP_NOSPACE;
                    753:
1.1       kristaps  754:        switch (type) {
1.82      schwarze  755:        case (LIST_diag):
1.60      schwarze  756:                if (MDOC_BODY == n->type)
1.48      schwarze  757:                        term_word(p, "\\ \\ ");
1.42      schwarze  758:                break;
1.82      schwarze  759:        case (LIST_inset):
1.60      schwarze  760:                if (MDOC_BODY == n->type)
1.42      schwarze  761:                        term_word(p, "\\ ");
1.1       kristaps  762:                break;
                    763:        default:
                    764:                break;
                    765:        }
                    766:
1.42      schwarze  767:        p->flags |= TERMP_NOSPACE;
                    768:
1.1       kristaps  769:        switch (type) {
1.82      schwarze  770:        case (LIST_diag):
1.60      schwarze  771:                if (MDOC_HEAD == n->type)
1.65      schwarze  772:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  773:                break;
                    774:        default:
                    775:                break;
                    776:        }
                    777:
                    778:        /*
1.68      schwarze  779:         * Pad and break control.  This is the tricky part.  These flags
                    780:         * are documented in term_flushln() in term.c.  Note that we're
                    781:         * going to unset all of these flags in termp_it_post() when we
                    782:         * exit.
1.1       kristaps  783:         */
                    784:
                    785:        switch (type) {
1.82      schwarze  786:        case (LIST_bullet):
1.1       kristaps  787:                /* FALLTHROUGH */
1.82      schwarze  788:        case (LIST_dash):
1.1       kristaps  789:                /* FALLTHROUGH */
1.82      schwarze  790:        case (LIST_enum):
1.1       kristaps  791:                /* FALLTHROUGH */
1.82      schwarze  792:        case (LIST_hyphen):
1.60      schwarze  793:                if (MDOC_HEAD == n->type)
1.33      schwarze  794:                        p->flags |= TERMP_NOBREAK;
                    795:                break;
1.82      schwarze  796:        case (LIST_hang):
1.60      schwarze  797:                if (MDOC_HEAD == n->type)
1.33      schwarze  798:                        p->flags |= TERMP_NOBREAK;
                    799:                else
1.47      schwarze  800:                        break;
                    801:
                    802:                /*
                    803:                 * This is ugly.  If `-hang' is specified and the body
                    804:                 * is a `Bl' or `Bd', then we want basically to nullify
                    805:                 * the "overstep" effect in term_flushln() and treat
                    806:                 * this as a `-ohang' list instead.
                    807:                 */
1.60      schwarze  808:                if (n->next->child &&
                    809:                                (MDOC_Bl == n->next->child->tok ||
1.136     schwarze  810:                                 MDOC_Bd == n->next->child->tok))
1.47      schwarze  811:                        p->flags &= ~TERMP_NOBREAK;
1.136     schwarze  812:                else
1.33      schwarze  813:                        p->flags |= TERMP_HANG;
                    814:                break;
1.82      schwarze  815:        case (LIST_tag):
1.60      schwarze  816:                if (MDOC_HEAD == n->type)
1.42      schwarze  817:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.33      schwarze  818:
1.60      schwarze  819:                if (MDOC_HEAD != n->type)
1.33      schwarze  820:                        break;
1.60      schwarze  821:                if (NULL == n->next || NULL == n->next->child)
1.33      schwarze  822:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  823:                break;
1.82      schwarze  824:        case (LIST_column):
1.85      schwarze  825:                if (MDOC_HEAD == n->type)
                    826:                        break;
                    827:
                    828:                if (NULL == n->next)
                    829:                        p->flags &= ~TERMP_NOBREAK;
                    830:                else
                    831:                        p->flags |= TERMP_NOBREAK;
                    832:
1.1       kristaps  833:                break;
1.82      schwarze  834:        case (LIST_diag):
1.60      schwarze  835:                if (MDOC_HEAD == n->type)
1.1       kristaps  836:                        p->flags |= TERMP_NOBREAK;
                    837:                break;
                    838:        default:
                    839:                break;
                    840:        }
                    841:
                    842:        /*
                    843:         * Margin control.  Set-head-width lists have their right
                    844:         * margins shortened.  The body for these lists has the offset
                    845:         * necessarily lengthened.  Everybody gets the offset.
                    846:         */
                    847:
                    848:        p->offset += offset;
                    849:
                    850:        switch (type) {
1.82      schwarze  851:        case (LIST_hang):
1.47      schwarze  852:                /*
                    853:                 * Same stipulation as above, regarding `-hang'.  We
                    854:                 * don't want to recalculate rmargin and offsets when
                    855:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    856:                 */
1.60      schwarze  857:                if (MDOC_HEAD == n->type && n->next->child &&
                    858:                                (MDOC_Bl == n->next->child->tok ||
                    859:                                 MDOC_Bd == n->next->child->tok))
1.47      schwarze  860:                        break;
                    861:                /* FALLTHROUGH */
1.82      schwarze  862:        case (LIST_bullet):
1.1       kristaps  863:                /* FALLTHROUGH */
1.82      schwarze  864:        case (LIST_dash):
1.1       kristaps  865:                /* FALLTHROUGH */
1.82      schwarze  866:        case (LIST_enum):
1.1       kristaps  867:                /* FALLTHROUGH */
1.82      schwarze  868:        case (LIST_hyphen):
1.33      schwarze  869:                /* FALLTHROUGH */
1.82      schwarze  870:        case (LIST_tag):
1.41      schwarze  871:                assert(width);
1.60      schwarze  872:                if (MDOC_HEAD == n->type)
1.1       kristaps  873:                        p->rmargin = p->offset + width;
                    874:                else
                    875:                        p->offset += width;
                    876:                break;
1.82      schwarze  877:        case (LIST_column):
1.41      schwarze  878:                assert(width);
1.1       kristaps  879:                p->rmargin = p->offset + width;
1.43      schwarze  880:                /*
                    881:                 * XXX - this behaviour is not documented: the
                    882:                 * right-most column is filled to the right margin.
                    883:                 */
1.85      schwarze  884:                if (MDOC_HEAD == n->type)
                    885:                        break;
                    886:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43      schwarze  887:                        p->rmargin = p->maxrmargin;
1.1       kristaps  888:                break;
                    889:        default:
                    890:                break;
                    891:        }
                    892:
                    893:        /*
                    894:         * The dash, hyphen, bullet and enum lists all have a special
1.12      schwarze  895:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  896:         */
                    897:
1.60      schwarze  898:        if (MDOC_HEAD == n->type)
1.1       kristaps  899:                switch (type) {
1.82      schwarze  900:                case (LIST_bullet):
1.65      schwarze  901:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  902:                        term_word(p, "\\[bu]");
1.65      schwarze  903:                        term_fontpop(p);
1.1       kristaps  904:                        break;
1.82      schwarze  905:                case (LIST_dash):
1.1       kristaps  906:                        /* FALLTHROUGH */
1.82      schwarze  907:                case (LIST_hyphen):
1.65      schwarze  908:                        term_fontpush(p, TERMFONT_BOLD);
1.35      schwarze  909:                        term_word(p, "\\(hy");
1.65      schwarze  910:                        term_fontpop(p);
1.1       kristaps  911:                        break;
1.82      schwarze  912:                case (LIST_enum):
1.1       kristaps  913:                        (pair->ppair->ppair->count)++;
1.68      schwarze  914:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  915:                                        pair->ppair->ppair->count);
                    916:                        term_word(p, buf);
                    917:                        break;
                    918:                default:
                    919:                        break;
                    920:                }
1.12      schwarze  921:
1.1       kristaps  922:        /*
                    923:         * If we're not going to process our children, indicate so here.
                    924:         */
                    925:
                    926:        switch (type) {
1.82      schwarze  927:        case (LIST_bullet):
1.1       kristaps  928:                /* FALLTHROUGH */
1.82      schwarze  929:        case (LIST_item):
1.1       kristaps  930:                /* FALLTHROUGH */
1.82      schwarze  931:        case (LIST_dash):
1.1       kristaps  932:                /* FALLTHROUGH */
1.82      schwarze  933:        case (LIST_hyphen):
1.1       kristaps  934:                /* FALLTHROUGH */
1.82      schwarze  935:        case (LIST_enum):
1.60      schwarze  936:                if (MDOC_HEAD == n->type)
1.1       kristaps  937:                        return(0);
                    938:                break;
1.82      schwarze  939:        case (LIST_column):
1.85      schwarze  940:                if (MDOC_HEAD == n->type)
1.1       kristaps  941:                        return(0);
                    942:                break;
                    943:        default:
                    944:                break;
                    945:        }
                    946:
                    947:        return(1);
                    948: }
                    949:
                    950:
                    951: /* ARGSUSED */
                    952: static void
                    953: termp_it_post(DECL_ARGS)
                    954: {
1.82      schwarze  955:        enum mdoc_list     type;
1.1       kristaps  956:
1.68      schwarze  957:        if (MDOC_BLOCK == n->type)
1.1       kristaps  958:                return;
                    959:
1.121     schwarze  960:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  961:
                    962:        switch (type) {
1.82      schwarze  963:        case (LIST_item):
1.44      schwarze  964:                /* FALLTHROUGH */
1.82      schwarze  965:        case (LIST_diag):
1.1       kristaps  966:                /* FALLTHROUGH */
1.82      schwarze  967:        case (LIST_inset):
1.60      schwarze  968:                if (MDOC_BODY == n->type)
1.74      schwarze  969:                        term_newln(p);
1.1       kristaps  970:                break;
1.82      schwarze  971:        case (LIST_column):
1.85      schwarze  972:                if (MDOC_BODY == n->type)
1.1       kristaps  973:                        term_flushln(p);
                    974:                break;
                    975:        default:
1.74      schwarze  976:                term_newln(p);
1.1       kristaps  977:                break;
                    978:        }
                    979:
1.68      schwarze  980:        /*
                    981:         * Now that our output is flushed, we can reset our tags.  Since
                    982:         * only `It' sets these flags, we're free to assume that nobody
                    983:         * has munged them in the meanwhile.
                    984:         */
                    985:
                    986:        p->flags &= ~TERMP_DANGLE;
                    987:        p->flags &= ~TERMP_NOBREAK;
                    988:        p->flags &= ~TERMP_TWOSPACE;
                    989:        p->flags &= ~TERMP_HANG;
1.1       kristaps  990: }
                    991:
                    992:
                    993: /* ARGSUSED */
                    994: static int
                    995: termp_nm_pre(DECL_ARGS)
                    996: {
                    997:
1.94      schwarze  998:        if (MDOC_BLOCK == n->type)
                    999:                return(1);
                   1000:
                   1001:        if (MDOC_BODY == n->type) {
                   1002:                if (NULL == n->child)
                   1003:                        return(0);
1.136     schwarze 1004:                p->flags |= TERMP_NOSPACE;
1.94      schwarze 1005:                p->offset += term_len(p, 1) +
                   1006:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1007:                     MDOC_TEXT == n->prev->child->type ?
                   1008:                        term_strlen(p, n->prev->child->string) :
                   1009:                     term_len(p, 5));
                   1010:                return(1);
                   1011:        }
                   1012:
1.81      schwarze 1013:        if (NULL == n->child && NULL == m->name)
1.94      schwarze 1014:                return(0);
1.81      schwarze 1015:
1.97      schwarze 1016:        if (MDOC_HEAD == n->type)
                   1017:                synopsis_pre(p, n->parent);
1.65      schwarze 1018:
1.94      schwarze 1019:        if (MDOC_HEAD == n->type && n->next->child) {
1.105     schwarze 1020:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                   1021:                p->rmargin = p->offset + term_len(p, 1);
                   1022:                if (NULL == n->child) {
                   1023:                        p->rmargin += term_strlen(p, m->name);
                   1024:                } else if (MDOC_TEXT == n->child->type) {
                   1025:                        p->rmargin += term_strlen(p, n->child->string);
                   1026:                        if (n->child->next)
                   1027:                                p->flags |= TERMP_HANG;
                   1028:                } else {
                   1029:                        p->rmargin += term_len(p, 5);
                   1030:                        p->flags |= TERMP_HANG;
                   1031:                }
1.94      schwarze 1032:        }
                   1033:
1.65      schwarze 1034:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 1035:        if (NULL == n->child)
                   1036:                term_word(p, m->name);
1.1       kristaps 1037:        return(1);
                   1038: }
                   1039:
                   1040:
1.94      schwarze 1041: /* ARGSUSED */
                   1042: static void
                   1043: termp_nm_post(DECL_ARGS)
                   1044: {
                   1045:
                   1046:        if (MDOC_HEAD == n->type && n->next->child) {
                   1047:                term_flushln(p);
                   1048:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.136     schwarze 1049:        } else if (MDOC_BODY == n->type && n->child)
1.94      schwarze 1050:                term_flushln(p);
                   1051: }
                   1052:
                   1053:
1.1       kristaps 1054: /* ARGSUSED */
                   1055: static int
                   1056: termp_fl_pre(DECL_ARGS)
                   1057: {
                   1058:
1.65      schwarze 1059:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1060:        term_word(p, "\\-");
1.67      schwarze 1061:
                   1062:        if (n->child)
                   1063:                p->flags |= TERMP_NOSPACE;
1.73      schwarze 1064:        else if (n->next && n->next->line == n->line)
                   1065:                p->flags |= TERMP_NOSPACE;
1.67      schwarze 1066:
1.1       kristaps 1067:        return(1);
1.49      schwarze 1068: }
                   1069:
                   1070:
                   1071: /* ARGSUSED */
                   1072: static int
1.104     schwarze 1073: termp__a_pre(DECL_ARGS)
                   1074: {
                   1075:
                   1076:        if (n->prev && MDOC__A == n->prev->tok)
                   1077:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1078:                        term_word(p, "and");
                   1079:
                   1080:        return(1);
                   1081: }
                   1082:
                   1083:
                   1084: /* ARGSUSED */
                   1085: static int
1.49      schwarze 1086: termp_an_pre(DECL_ARGS)
                   1087: {
                   1088:
1.60      schwarze 1089:        if (NULL == n->child)
1.49      schwarze 1090:                return(1);
                   1091:
                   1092:        /*
1.60      schwarze 1093:         * If not in the AUTHORS section, `An -split' will cause
                   1094:         * newlines to occur before the author name.  If in the AUTHORS
                   1095:         * section, by default, the first `An' invocation is nosplit,
                   1096:         * then all subsequent ones, regardless of whether interspersed
                   1097:         * with other macros/text, are split.  -split, in this case,
                   1098:         * will override the condition of the implied first -nosplit.
1.49      schwarze 1099:         */
                   1100:
1.60      schwarze 1101:        if (n->sec == SEC_AUTHORS) {
1.49      schwarze 1102:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1103:                        if (TERMP_SPLIT & p->flags)
                   1104:                                term_newln(p);
                   1105:                        return(1);
                   1106:                }
                   1107:                if (TERMP_NOSPLIT & p->flags)
                   1108:                        return(1);
                   1109:                term_newln(p);
                   1110:                return(1);
                   1111:        }
                   1112:
                   1113:        if (TERMP_SPLIT & p->flags)
                   1114:                term_newln(p);
                   1115:
                   1116:        return(1);
                   1117: }
                   1118:
                   1119:
                   1120: /* ARGSUSED */
                   1121: static void
                   1122: termp_an_post(DECL_ARGS)
                   1123: {
                   1124:
1.60      schwarze 1125:        if (n->child) {
                   1126:                if (SEC_AUTHORS == n->sec)
1.49      schwarze 1127:                        p->flags |= TERMP_ANPREC;
                   1128:                return;
                   1129:        }
                   1130:
1.121     schwarze 1131:        if (AUTH_split == n->norm->An.auth) {
1.49      schwarze 1132:                p->flags &= ~TERMP_NOSPLIT;
                   1133:                p->flags |= TERMP_SPLIT;
1.121     schwarze 1134:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.49      schwarze 1135:                p->flags &= ~TERMP_SPLIT;
                   1136:                p->flags |= TERMP_NOSPLIT;
                   1137:        }
                   1138:
1.1       kristaps 1139: }
                   1140:
                   1141:
                   1142: /* ARGSUSED */
                   1143: static int
                   1144: termp_ns_pre(DECL_ARGS)
                   1145: {
                   1146:
1.127     schwarze 1147:        if ( ! (MDOC_LINE & n->flags))
                   1148:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1149:        return(1);
                   1150: }
                   1151:
                   1152:
                   1153: /* ARGSUSED */
                   1154: static int
                   1155: termp_rs_pre(DECL_ARGS)
                   1156: {
                   1157:
1.60      schwarze 1158:        if (SEC_SEE_ALSO != n->sec)
1.57      schwarze 1159:                return(1);
1.60      schwarze 1160:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1161:                term_vspace(p);
                   1162:        return(1);
                   1163: }
                   1164:
                   1165:
                   1166: /* ARGSUSED */
                   1167: static int
                   1168: termp_rv_pre(DECL_ARGS)
                   1169: {
1.132     schwarze 1170:        int              nchild;
1.1       kristaps 1171:
                   1172:        term_newln(p);
                   1173:        term_word(p, "The");
                   1174:
1.132     schwarze 1175:        nchild = n->nchild;
                   1176:        for (n = n->child; n; n = n->next) {
1.65      schwarze 1177:                term_fontpush(p, TERMFONT_BOLD);
1.132     schwarze 1178:                term_word(p, n->string);
1.65      schwarze 1179:                term_fontpop(p);
1.132     schwarze 1180:
1.53      schwarze 1181:                p->flags |= TERMP_NOSPACE;
1.132     schwarze 1182:                term_word(p, "()");
                   1183:
                   1184:                if (nchild > 2 && n->next) {
                   1185:                        p->flags |= TERMP_NOSPACE;
                   1186:                        term_word(p, ",");
                   1187:                }
                   1188:
                   1189:                if (n->next && NULL == n->next->next)
                   1190:                        term_word(p, "and");
1.53      schwarze 1191:        }
                   1192:
1.132     schwarze 1193:        if (nchild > 1)
1.53      schwarze 1194:                term_word(p, "functions return");
                   1195:        else
                   1196:                term_word(p, "function returns");
1.1       kristaps 1197:
1.53      schwarze 1198:                term_word(p, "the value 0 if successful; otherwise the value "
                   1199:                        "-1 is returned and the global variable");
1.1       kristaps 1200:
1.65      schwarze 1201:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1202:        term_word(p, "errno");
1.65      schwarze 1203:        term_fontpop(p);
1.1       kristaps 1204:
                   1205:                term_word(p, "is set to indicate the error.");
1.84      schwarze 1206:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1207:
1.53      schwarze 1208:        return(0);
1.1       kristaps 1209: }
                   1210:
                   1211:
                   1212: /* ARGSUSED */
                   1213: static int
                   1214: termp_ex_pre(DECL_ARGS)
                   1215: {
1.132     schwarze 1216:        int              nchild;
1.1       kristaps 1217:
1.132     schwarze 1218:        term_newln(p);
1.53      schwarze 1219:        term_word(p, "The");
1.1       kristaps 1220:
1.132     schwarze 1221:        nchild = n->nchild;
                   1222:        for (n = n->child; n; n = n->next) {
1.65      schwarze 1223:                term_fontpush(p, TERMFONT_BOLD);
1.132     schwarze 1224:                term_word(p, n->string);
1.65      schwarze 1225:                term_fontpop(p);
1.132     schwarze 1226:
                   1227:                if (nchild > 2 && n->next) {
                   1228:                        p->flags |= TERMP_NOSPACE;
1.53      schwarze 1229:                        term_word(p, ",");
1.132     schwarze 1230:                }
                   1231:
                   1232:                if (n->next && NULL == n->next->next)
                   1233:                        term_word(p, "and");
1.53      schwarze 1234:        }
                   1235:
1.132     schwarze 1236:        if (nchild > 1)
1.53      schwarze 1237:                term_word(p, "utilities exit");
                   1238:        else
                   1239:                term_word(p, "utility exits");
                   1240:
                   1241:                term_word(p, "0 on success, and >0 if an error occurs.");
1.132     schwarze 1242:
1.84      schwarze 1243:        p->flags |= TERMP_SENTENCE;
1.53      schwarze 1244:        return(0);
1.1       kristaps 1245: }
                   1246:
                   1247:
                   1248: /* ARGSUSED */
                   1249: static int
                   1250: termp_nd_pre(DECL_ARGS)
                   1251: {
1.25      schwarze 1252:
1.60      schwarze 1253:        if (MDOC_BODY != n->type)
1.25      schwarze 1254:                return(1);
                   1255:
                   1256: #if defined(__OpenBSD__) || defined(__linux__)
                   1257:        term_word(p, "\\(en");
1.24      schwarze 1258: #else
                   1259:        term_word(p, "\\(em");
                   1260: #endif
1.1       kristaps 1261:        return(1);
                   1262: }
                   1263:
                   1264:
                   1265: /* ARGSUSED */
1.73      schwarze 1266: static int
                   1267: termp_bl_pre(DECL_ARGS)
                   1268: {
                   1269:
                   1270:        return(MDOC_HEAD != n->type);
                   1271: }
                   1272:
                   1273:
                   1274: /* ARGSUSED */
1.1       kristaps 1275: static void
                   1276: termp_bl_post(DECL_ARGS)
                   1277: {
                   1278:
1.60      schwarze 1279:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1280:                term_newln(p);
                   1281: }
                   1282:
                   1283: /* ARGSUSED */
                   1284: static int
                   1285: termp_xr_pre(DECL_ARGS)
                   1286: {
                   1287:
1.132     schwarze 1288:        if (NULL == (n = n->child))
1.72      schwarze 1289:                return(0);
                   1290:
1.132     schwarze 1291:        assert(MDOC_TEXT == n->type);
                   1292:        term_word(p, n->string);
1.10      schwarze 1293:
1.132     schwarze 1294:        if (NULL == (n = n->next))
1.1       kristaps 1295:                return(0);
1.132     schwarze 1296:
1.1       kristaps 1297:        p->flags |= TERMP_NOSPACE;
                   1298:        term_word(p, "(");
1.132     schwarze 1299:        p->flags |= TERMP_NOSPACE;
                   1300:
                   1301:        assert(MDOC_TEXT == n->type);
                   1302:        term_word(p, n->string);
                   1303:
                   1304:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1305:        term_word(p, ")");
1.60      schwarze 1306:
1.1       kristaps 1307:        return(0);
                   1308: }
                   1309:
1.86      schwarze 1310: /*
                   1311:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1312:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1313:  * macro combos).
                   1314:  */
                   1315: static void
                   1316: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1317: {
                   1318:        /*
                   1319:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1320:         * exist, do nothing.
                   1321:         */
1.92      schwarze 1322:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86      schwarze 1323:                return;
                   1324:
                   1325:        /*
                   1326:         * If we're the second in a pair of like elements, emit our
                   1327:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1328:         * case we soldier on.
                   1329:         */
                   1330:        if (n->prev->tok == n->tok &&
                   1331:                        MDOC_Ft != n->tok &&
                   1332:                        MDOC_Fo != n->tok &&
                   1333:                        MDOC_Fn != n->tok) {
                   1334:                term_newln(p);
                   1335:                return;
                   1336:        }
                   1337:
                   1338:        /*
                   1339:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1340:         * another (or Fn/Fo, which we've let slip through) then assert
                   1341:         * vertical space, else only newline and move on.
                   1342:         */
                   1343:        switch (n->prev->tok) {
                   1344:        case (MDOC_Fd):
                   1345:                /* FALLTHROUGH */
                   1346:        case (MDOC_Fn):
                   1347:                /* FALLTHROUGH */
                   1348:        case (MDOC_Fo):
                   1349:                /* FALLTHROUGH */
                   1350:        case (MDOC_In):
                   1351:                /* FALLTHROUGH */
                   1352:        case (MDOC_Vt):
                   1353:                term_vspace(p);
                   1354:                break;
                   1355:        case (MDOC_Ft):
                   1356:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1357:                        term_vspace(p);
                   1358:                        break;
                   1359:                }
                   1360:                /* FALLTHROUGH */
                   1361:        default:
                   1362:                term_newln(p);
                   1363:                break;
                   1364:        }
                   1365: }
                   1366:
                   1367:
1.69      schwarze 1368: static int
                   1369: termp_vt_pre(DECL_ARGS)
                   1370: {
                   1371:
1.86      schwarze 1372:        if (MDOC_ELEM == n->type) {
                   1373:                synopsis_pre(p, n);
1.69      schwarze 1374:                return(termp_under_pre(p, pair, m, n));
1.86      schwarze 1375:        } else if (MDOC_BLOCK == n->type) {
                   1376:                synopsis_pre(p, n);
                   1377:                return(1);
                   1378:        } else if (MDOC_HEAD == n->type)
1.69      schwarze 1379:                return(0);
                   1380:
                   1381:        return(termp_under_pre(p, pair, m, n));
                   1382: }
                   1383:
                   1384:
1.1       kristaps 1385: /* ARGSUSED */
                   1386: static int
1.54      schwarze 1387: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1388: {
                   1389:
1.65      schwarze 1390:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1391:        return(1);
                   1392: }
                   1393:
                   1394:
                   1395: /* ARGSUSED */
1.86      schwarze 1396: static int
                   1397: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1398: {
                   1399:
1.86      schwarze 1400:        synopsis_pre(p, n);
                   1401:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1402: }
                   1403:
                   1404:
                   1405: /* ARGSUSED */
                   1406: static int
                   1407: termp_sh_pre(DECL_ARGS)
                   1408: {
1.60      schwarze 1409:
                   1410:        /* No vspace between consecutive `Sh' calls. */
                   1411:
                   1412:        switch (n->type) {
1.52      schwarze 1413:        case (MDOC_BLOCK):
1.60      schwarze 1414:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1415:                        if (NULL == n->prev->body->child)
1.52      schwarze 1416:                                break;
                   1417:                term_vspace(p);
                   1418:                break;
1.1       kristaps 1419:        case (MDOC_HEAD):
1.65      schwarze 1420:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1421:                break;
                   1422:        case (MDOC_BODY):
1.89      schwarze 1423:                p->offset = term_len(p, INDENT);
1.1       kristaps 1424:                break;
                   1425:        default:
                   1426:                break;
                   1427:        }
                   1428:        return(1);
                   1429: }
                   1430:
                   1431:
                   1432: /* ARGSUSED */
                   1433: static void
                   1434: termp_sh_post(DECL_ARGS)
                   1435: {
                   1436:
1.60      schwarze 1437:        switch (n->type) {
1.1       kristaps 1438:        case (MDOC_HEAD):
                   1439:                term_newln(p);
                   1440:                break;
                   1441:        case (MDOC_BODY):
                   1442:                term_newln(p);
                   1443:                p->offset = 0;
                   1444:                break;
                   1445:        default:
                   1446:                break;
                   1447:        }
                   1448: }
                   1449:
                   1450:
                   1451: /* ARGSUSED */
                   1452: static int
                   1453: termp_bt_pre(DECL_ARGS)
                   1454: {
                   1455:
                   1456:        term_word(p, "is currently in beta test.");
1.84      schwarze 1457:        p->flags |= TERMP_SENTENCE;
1.59      schwarze 1458:        return(0);
1.1       kristaps 1459: }
                   1460:
                   1461:
                   1462: /* ARGSUSED */
                   1463: static void
                   1464: termp_lb_post(DECL_ARGS)
                   1465: {
                   1466:
1.77      schwarze 1467:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57      schwarze 1468:                term_newln(p);
1.1       kristaps 1469: }
                   1470:
                   1471:
                   1472: /* ARGSUSED */
                   1473: static int
                   1474: termp_ud_pre(DECL_ARGS)
                   1475: {
                   1476:
                   1477:        term_word(p, "currently under development.");
1.84      schwarze 1478:        p->flags |= TERMP_SENTENCE;
1.60      schwarze 1479:        return(0);
1.1       kristaps 1480: }
                   1481:
                   1482:
                   1483: /* ARGSUSED */
                   1484: static int
                   1485: termp_d1_pre(DECL_ARGS)
                   1486: {
                   1487:
1.60      schwarze 1488:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1489:                return(1);
                   1490:        term_newln(p);
1.89      schwarze 1491:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1492:        return(1);
                   1493: }
                   1494:
                   1495:
                   1496: /* ARGSUSED */
                   1497: static void
                   1498: termp_d1_post(DECL_ARGS)
                   1499: {
                   1500:
1.60      schwarze 1501:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1502:                return;
                   1503:        term_newln(p);
                   1504: }
                   1505:
                   1506:
                   1507: /* ARGSUSED */
                   1508: static int
                   1509: termp_ft_pre(DECL_ARGS)
                   1510: {
                   1511:
1.85      schwarze 1512:        /* NB: MDOC_LINE does not effect this! */
1.86      schwarze 1513:        synopsis_pre(p, n);
1.65      schwarze 1514:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1515:        return(1);
                   1516: }
                   1517:
                   1518:
                   1519: /* ARGSUSED */
                   1520: static int
                   1521: termp_fn_pre(DECL_ARGS)
                   1522: {
1.132     schwarze 1523:        int              pretty;
                   1524:
                   1525:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1526:
1.86      schwarze 1527:        synopsis_pre(p, n);
1.85      schwarze 1528:
1.132     schwarze 1529:        if (NULL == (n = n->child))
                   1530:                return(0);
                   1531:
                   1532:        assert(MDOC_TEXT == n->type);
1.65      schwarze 1533:        term_fontpush(p, TERMFONT_BOLD);
1.132     schwarze 1534:        term_word(p, n->string);
1.65      schwarze 1535:        term_fontpop(p);
1.1       kristaps 1536:
                   1537:        p->flags |= TERMP_NOSPACE;
                   1538:        term_word(p, "(");
1.132     schwarze 1539:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1540:
1.132     schwarze 1541:        for (n = n->next; n; n = n->next) {
                   1542:                assert(MDOC_TEXT == n->type);
1.65      schwarze 1543:                term_fontpush(p, TERMFONT_UNDER);
1.132     schwarze 1544:                term_word(p, n->string);
1.65      schwarze 1545:                term_fontpop(p);
                   1546:
1.132     schwarze 1547:                if (n->next) {
                   1548:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1549:                        term_word(p, ",");
1.132     schwarze 1550:                }
1.1       kristaps 1551:        }
                   1552:
1.132     schwarze 1553:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1554:        term_word(p, ")");
                   1555:
1.132     schwarze 1556:        if (pretty) {
                   1557:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1558:                term_word(p, ";");
1.132     schwarze 1559:        }
1.1       kristaps 1560:
                   1561:        return(0);
                   1562: }
                   1563:
                   1564:
                   1565: /* ARGSUSED */
                   1566: static int
                   1567: termp_fa_pre(DECL_ARGS)
                   1568: {
1.60      schwarze 1569:        const struct mdoc_node  *nn;
1.1       kristaps 1570:
1.60      schwarze 1571:        if (n->parent->tok != MDOC_Fo) {
1.65      schwarze 1572:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1573:                return(1);
                   1574:        }
                   1575:
1.60      schwarze 1576:        for (nn = n->child; nn; nn = nn->next) {
1.65      schwarze 1577:                term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 1578:                term_word(p, nn->string);
1.65      schwarze 1579:                term_fontpop(p);
                   1580:
1.132     schwarze 1581:                if (nn->next) {
                   1582:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1583:                        term_word(p, ",");
1.132     schwarze 1584:                }
1.1       kristaps 1585:        }
                   1586:
1.132     schwarze 1587:        if (n->child && n->next && n->next->tok == MDOC_Fa) {
                   1588:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1589:                term_word(p, ",");
1.132     schwarze 1590:        }
1.1       kristaps 1591:
                   1592:        return(0);
                   1593: }
                   1594:
                   1595:
                   1596: /* ARGSUSED */
                   1597: static int
                   1598: termp_bd_pre(DECL_ARGS)
                   1599: {
1.99      schwarze 1600:        size_t                   tabwidth, rm, rmax;
1.60      schwarze 1601:        const struct mdoc_node  *nn;
1.1       kristaps 1602:
1.60      schwarze 1603:        if (MDOC_BLOCK == n->type) {
1.61      schwarze 1604:                print_bvspace(p, n, n);
1.45      schwarze 1605:                return(1);
1.73      schwarze 1606:        } else if (MDOC_HEAD == n->type)
                   1607:                return(0);
1.1       kristaps 1608:
1.121     schwarze 1609:        if (n->norm->Bd.offs)
                   1610:                p->offset += a2offs(p, n->norm->Bd.offs);
1.60      schwarze 1611:
                   1612:        /*
                   1613:         * If -ragged or -filled are specified, the block does nothing
                   1614:         * but change the indentation.  If -unfilled or -literal are
                   1615:         * specified, text is printed exactly as entered in the display:
                   1616:         * for macro lines, a newline is appended to the line.  Blank
                   1617:         * lines are allowed.
                   1618:         */
1.48      schwarze 1619:
1.121     schwarze 1620:        if (DISP_literal != n->norm->Bd.type &&
                   1621:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1622:                return(1);
                   1623:
1.75      schwarze 1624:        tabwidth = p->tabwidth;
1.123     schwarze 1625:        if (DISP_literal == n->norm->Bd.type)
                   1626:                p->tabwidth = term_len(p, 8);
                   1627:
1.77      schwarze 1628:        rm = p->rmargin;
                   1629:        rmax = p->maxrmargin;
                   1630:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
                   1631:
1.60      schwarze 1632:        for (nn = n->child; nn; nn = nn->next) {
1.100     schwarze 1633:                print_mdoc_node(p, pair, m, nn);
1.108     schwarze 1634:                /*
                   1635:                 * If the printed node flushes its own line, then we
                   1636:                 * needn't do it here as well.  This is hacky, but the
                   1637:                 * notion of selective eoln whitespace is pretty dumb
                   1638:                 * anyway, so don't sweat it.
                   1639:                 */
                   1640:                switch (nn->tok) {
1.112     schwarze 1641:                case (MDOC_Sm):
                   1642:                        /* FALLTHROUGH */
1.108     schwarze 1643:                case (MDOC_br):
                   1644:                        /* FALLTHROUGH */
                   1645:                case (MDOC_sp):
                   1646:                        /* FALLTHROUGH */
                   1647:                case (MDOC_Bl):
1.115     schwarze 1648:                        /* FALLTHROUGH */
                   1649:                case (MDOC_D1):
                   1650:                        /* FALLTHROUGH */
                   1651:                case (MDOC_Dl):
1.108     schwarze 1652:                        /* FALLTHROUGH */
                   1653:                case (MDOC_Lp):
                   1654:                        /* FALLTHROUGH */
                   1655:                case (MDOC_Pp):
                   1656:                        continue;
                   1657:                default:
                   1658:                        break;
                   1659:                }
1.100     schwarze 1660:                if (nn->next && nn->next->line == nn->line)
                   1661:                        continue;
                   1662:                term_flushln(p);
1.48      schwarze 1663:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1664:        }
1.88      schwarze 1665:
1.75      schwarze 1666:        p->tabwidth = tabwidth;
1.77      schwarze 1667:        p->rmargin = rm;
                   1668:        p->maxrmargin = rmax;
1.1       kristaps 1669:        return(0);
                   1670: }
                   1671:
                   1672:
                   1673: /* ARGSUSED */
                   1674: static void
                   1675: termp_bd_post(DECL_ARGS)
                   1676: {
1.77      schwarze 1677:        size_t           rm, rmax;
1.1       kristaps 1678:
1.60      schwarze 1679:        if (MDOC_BODY != n->type)
1.1       kristaps 1680:                return;
1.77      schwarze 1681:
                   1682:        rm = p->rmargin;
                   1683:        rmax = p->maxrmargin;
                   1684:
1.121     schwarze 1685:        if (DISP_literal == n->norm->Bd.type ||
                   1686:                        DISP_unfilled == n->norm->Bd.type)
1.77      schwarze 1687:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
                   1688:
1.48      schwarze 1689:        p->flags |= TERMP_NOSPACE;
1.75      schwarze 1690:        term_newln(p);
1.77      schwarze 1691:
                   1692:        p->rmargin = rm;
                   1693:        p->maxrmargin = rmax;
1.1       kristaps 1694: }
                   1695:
                   1696:
                   1697: /* ARGSUSED */
1.126     schwarze 1698: static int
                   1699: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1700: {
                   1701:
1.126     schwarze 1702:        if (NULL != (n = n->child)) {
                   1703:                term_word(p, n->string);
                   1704:                p->flags |= TERMP_NOSPACE;
                   1705:                term_word(p, "BSD");
                   1706:        } else {
                   1707:                term_word(p, "BSD");
                   1708:                return(0);
                   1709:        }
                   1710:
                   1711:        if (NULL != (n = n->next)) {
                   1712:                p->flags |= TERMP_NOSPACE;
                   1713:                term_word(p, "-");
1.1       kristaps 1714:                p->flags |= TERMP_NOSPACE;
1.126     schwarze 1715:                term_word(p, n->string);
                   1716:        }
                   1717:
                   1718:        return(0);
1.1       kristaps 1719: }
                   1720:
                   1721:
                   1722: /* ARGSUSED */
                   1723: static int
1.26      schwarze 1724: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1725: {
1.26      schwarze 1726:        const char      *pp;
1.129     schwarze 1727:        int              flags;
1.1       kristaps 1728:
1.26      schwarze 1729:        pp = NULL;
1.60      schwarze 1730:        switch (n->tok) {
1.26      schwarze 1731:        case (MDOC_Bsx):
1.113     schwarze 1732:                pp = "BSD/OS";
1.26      schwarze 1733:                break;
                   1734:        case (MDOC_Dx):
1.64      schwarze 1735:                pp = "DragonFly";
1.26      schwarze 1736:                break;
                   1737:        case (MDOC_Fx):
                   1738:                pp = "FreeBSD";
                   1739:                break;
                   1740:        case (MDOC_Nx):
                   1741:                pp = "NetBSD";
                   1742:                break;
                   1743:        case (MDOC_Ox):
                   1744:                pp = "OpenBSD";
                   1745:                break;
                   1746:        case (MDOC_Ux):
                   1747:                pp = "UNIX";
                   1748:                break;
                   1749:        default:
                   1750:                break;
                   1751:        }
1.1       kristaps 1752:
1.26      schwarze 1753:        term_word(p, pp);
1.129     schwarze 1754:        if (n->child) {
                   1755:                flags = p->flags;
                   1756:                p->flags |= TERMP_KEEP;
                   1757:                term_word(p, n->child->string);
                   1758:                p->flags = flags;
                   1759:        }
                   1760:        return(0);
1.1       kristaps 1761: }
                   1762:
                   1763:
                   1764: /* ARGSUSED */
                   1765: static int
1.109     schwarze 1766: termp_igndelim_pre(DECL_ARGS)
1.1       kristaps 1767: {
                   1768:
                   1769:        p->flags |= TERMP_IGNDELIM;
                   1770:        return(1);
                   1771: }
                   1772:
                   1773:
                   1774: /* ARGSUSED */
                   1775: static void
                   1776: termp_pf_post(DECL_ARGS)
                   1777: {
                   1778:
                   1779:        p->flags |= TERMP_NOSPACE;
                   1780: }
                   1781:
                   1782:
                   1783: /* ARGSUSED */
                   1784: static int
                   1785: termp_ss_pre(DECL_ARGS)
                   1786: {
                   1787:
1.60      schwarze 1788:        switch (n->type) {
1.1       kristaps 1789:        case (MDOC_BLOCK):
                   1790:                term_newln(p);
1.60      schwarze 1791:                if (n->prev)
1.1       kristaps 1792:                        term_vspace(p);
                   1793:                break;
                   1794:        case (MDOC_HEAD):
1.65      schwarze 1795:                term_fontpush(p, TERMFONT_BOLD);
1.89      schwarze 1796:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1797:                break;
                   1798:        default:
                   1799:                break;
                   1800:        }
                   1801:
                   1802:        return(1);
                   1803: }
                   1804:
                   1805:
                   1806: /* ARGSUSED */
                   1807: static void
                   1808: termp_ss_post(DECL_ARGS)
                   1809: {
                   1810:
1.60      schwarze 1811:        if (MDOC_HEAD == n->type)
1.1       kristaps 1812:                term_newln(p);
                   1813: }
                   1814:
                   1815:
                   1816: /* ARGSUSED */
                   1817: static int
                   1818: termp_cd_pre(DECL_ARGS)
                   1819: {
                   1820:
1.86      schwarze 1821:        synopsis_pre(p, n);
1.65      schwarze 1822:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1823:        return(1);
                   1824: }
                   1825:
                   1826:
                   1827: /* ARGSUSED */
                   1828: static int
                   1829: termp_in_pre(DECL_ARGS)
                   1830: {
                   1831:
1.86      schwarze 1832:        synopsis_pre(p, n);
1.85      schwarze 1833:
1.92      schwarze 1834:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85      schwarze 1835:                term_fontpush(p, TERMFONT_BOLD);
1.23      schwarze 1836:                term_word(p, "#include");
1.85      schwarze 1837:                term_word(p, "<");
                   1838:        } else {
                   1839:                term_word(p, "<");
                   1840:                term_fontpush(p, TERMFONT_UNDER);
                   1841:        }
1.23      schwarze 1842:
1.1       kristaps 1843:        p->flags |= TERMP_NOSPACE;
                   1844:        return(1);
                   1845: }
                   1846:
                   1847:
                   1848: /* ARGSUSED */
                   1849: static void
                   1850: termp_in_post(DECL_ARGS)
                   1851: {
                   1852:
1.92      schwarze 1853:        if (MDOC_SYNPRETTY & n->flags)
1.85      schwarze 1854:                term_fontpush(p, TERMFONT_BOLD);
                   1855:
1.59      schwarze 1856:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1857:        term_word(p, ">");
                   1858:
1.92      schwarze 1859:        if (MDOC_SYNPRETTY & n->flags)
1.85      schwarze 1860:                term_fontpop(p);
1.38      schwarze 1861: }
                   1862:
                   1863:
                   1864: /* ARGSUSED */
                   1865: static int
                   1866: termp_sp_pre(DECL_ARGS)
                   1867: {
1.61      schwarze 1868:        size_t           i, len;
1.38      schwarze 1869:
1.60      schwarze 1870:        switch (n->tok) {
1.54      schwarze 1871:        case (MDOC_sp):
1.89      schwarze 1872:                len = n->child ? a2height(p, n->child->string) : 1;
1.54      schwarze 1873:                break;
                   1874:        case (MDOC_br):
                   1875:                len = 0;
                   1876:                break;
                   1877:        default:
                   1878:                len = 1;
                   1879:                break;
1.38      schwarze 1880:        }
                   1881:
                   1882:        if (0 == len)
                   1883:                term_newln(p);
                   1884:        for (i = 0; i < len; i++)
                   1885:                term_vspace(p);
                   1886:
                   1887:        return(0);
                   1888: }
                   1889:
                   1890:
                   1891: /* ARGSUSED */
                   1892: static int
1.107     schwarze 1893: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1894: {
                   1895:
1.120     schwarze 1896:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1897:                return(1);
                   1898:
1.107     schwarze 1899:        switch (n->tok) {
                   1900:        case (MDOC_Ao):
                   1901:                /* FALLTHROUGH */
                   1902:        case (MDOC_Aq):
                   1903:                term_word(p, "<");
                   1904:                break;
                   1905:        case (MDOC_Bro):
                   1906:                /* FALLTHROUGH */
                   1907:        case (MDOC_Brq):
                   1908:                term_word(p, "{");
                   1909:                break;
                   1910:        case (MDOC_Oo):
                   1911:                /* FALLTHROUGH */
                   1912:        case (MDOC_Op):
                   1913:                /* FALLTHROUGH */
                   1914:        case (MDOC_Bo):
                   1915:                /* FALLTHROUGH */
                   1916:        case (MDOC_Bq):
                   1917:                term_word(p, "[");
                   1918:                break;
                   1919:        case (MDOC_Do):
                   1920:                /* FALLTHROUGH */
                   1921:        case (MDOC_Dq):
                   1922:                term_word(p, "``");
                   1923:                break;
                   1924:        case (MDOC_Po):
                   1925:                /* FALLTHROUGH */
                   1926:        case (MDOC_Pq):
                   1927:                term_word(p, "(");
                   1928:                break;
1.120     schwarze 1929:        case (MDOC__T):
                   1930:                /* FALLTHROUGH */
1.107     schwarze 1931:        case (MDOC_Qo):
                   1932:                /* FALLTHROUGH */
                   1933:        case (MDOC_Qq):
                   1934:                term_word(p, "\"");
                   1935:                break;
                   1936:        case (MDOC_Ql):
                   1937:                /* FALLTHROUGH */
                   1938:        case (MDOC_So):
                   1939:                /* FALLTHROUGH */
                   1940:        case (MDOC_Sq):
                   1941:                term_word(p, "`");
                   1942:                break;
                   1943:        default:
                   1944:                abort();
                   1945:                /* NOTREACHED */
                   1946:        }
1.1       kristaps 1947:
                   1948:        p->flags |= TERMP_NOSPACE;
                   1949:        return(1);
                   1950: }
                   1951:
                   1952:
                   1953: /* ARGSUSED */
                   1954: static void
1.107     schwarze 1955: termp_quote_post(DECL_ARGS)
1.1       kristaps 1956: {
                   1957:
1.120     schwarze 1958:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1959:                return;
                   1960:
                   1961:        p->flags |= TERMP_NOSPACE;
                   1962:
1.107     schwarze 1963:        switch (n->tok) {
                   1964:        case (MDOC_Ao):
                   1965:                /* FALLTHROUGH */
                   1966:        case (MDOC_Aq):
                   1967:                term_word(p, ">");
                   1968:                break;
                   1969:        case (MDOC_Bro):
                   1970:                /* FALLTHROUGH */
                   1971:        case (MDOC_Brq):
                   1972:                term_word(p, "}");
                   1973:                break;
                   1974:        case (MDOC_Oo):
                   1975:                /* FALLTHROUGH */
                   1976:        case (MDOC_Op):
                   1977:                /* FALLTHROUGH */
                   1978:        case (MDOC_Bo):
                   1979:                /* FALLTHROUGH */
                   1980:        case (MDOC_Bq):
                   1981:                term_word(p, "]");
                   1982:                break;
                   1983:        case (MDOC_Do):
                   1984:                /* FALLTHROUGH */
                   1985:        case (MDOC_Dq):
                   1986:                term_word(p, "''");
                   1987:                break;
                   1988:        case (MDOC_Po):
                   1989:                /* FALLTHROUGH */
                   1990:        case (MDOC_Pq):
                   1991:                term_word(p, ")");
                   1992:                break;
1.120     schwarze 1993:        case (MDOC__T):
                   1994:                /* FALLTHROUGH */
1.107     schwarze 1995:        case (MDOC_Qo):
                   1996:                /* FALLTHROUGH */
                   1997:        case (MDOC_Qq):
                   1998:                term_word(p, "\"");
                   1999:                break;
                   2000:        case (MDOC_Ql):
                   2001:                /* FALLTHROUGH */
                   2002:        case (MDOC_So):
                   2003:                /* FALLTHROUGH */
                   2004:        case (MDOC_Sq):
                   2005:                term_word(p, "'");
                   2006:                break;
                   2007:        default:
                   2008:                abort();
                   2009:                /* NOTREACHED */
                   2010:        }
1.1       kristaps 2011: }
                   2012:
                   2013:
                   2014: /* ARGSUSED */
                   2015: static int
                   2016: termp_fo_pre(DECL_ARGS)
                   2017: {
                   2018:
1.85      schwarze 2019:        if (MDOC_BLOCK == n->type) {
1.86      schwarze 2020:                synopsis_pre(p, n);
1.85      schwarze 2021:                return(1);
                   2022:        } else if (MDOC_BODY == n->type) {
1.31      schwarze 2023:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2024:                term_word(p, "(");
1.132     schwarze 2025:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2026:                return(1);
1.85      schwarze 2027:        }
                   2028:
1.95      schwarze 2029:        if (NULL == n->child)
                   2030:                return(0);
                   2031:
1.85      schwarze 2032:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2033:
1.85      schwarze 2034:        assert(n->child->string);
1.65      schwarze 2035:        term_fontpush(p, TERMFONT_BOLD);
1.85      schwarze 2036:        term_word(p, n->child->string);
1.1       kristaps 2037:        return(0);
                   2038: }
                   2039:
                   2040:
                   2041: /* ARGSUSED */
                   2042: static void
                   2043: termp_fo_post(DECL_ARGS)
                   2044: {
                   2045:
1.86      schwarze 2046:        if (MDOC_BODY != n->type)
                   2047:                return;
                   2048:
1.132     schwarze 2049:        p->flags |= TERMP_NOSPACE;
1.86      schwarze 2050:        term_word(p, ")");
                   2051:
1.132     schwarze 2052:        if (MDOC_SYNPRETTY & n->flags) {
                   2053:                p->flags |= TERMP_NOSPACE;
1.86      schwarze 2054:                term_word(p, ";");
1.132     schwarze 2055:        }
1.1       kristaps 2056: }
                   2057:
                   2058:
                   2059: /* ARGSUSED */
                   2060: static int
                   2061: termp_bf_pre(DECL_ARGS)
                   2062: {
                   2063:
1.60      schwarze 2064:        if (MDOC_HEAD == n->type)
1.1       kristaps 2065:                return(0);
1.60      schwarze 2066:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2067:                return(1);
                   2068:
1.121     schwarze 2069:        if (FONT_Em == n->norm->Bf.font)
1.65      schwarze 2070:                term_fontpush(p, TERMFONT_UNDER);
1.121     schwarze 2071:        else if (FONT_Sy == n->norm->Bf.font)
1.65      schwarze 2072:                term_fontpush(p, TERMFONT_BOLD);
1.95      schwarze 2073:        else
1.65      schwarze 2074:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2075:
                   2076:        return(1);
                   2077: }
                   2078:
                   2079:
                   2080: /* ARGSUSED */
                   2081: static int
                   2082: termp_sm_pre(DECL_ARGS)
                   2083: {
                   2084:
1.60      schwarze 2085:        assert(n->child && MDOC_TEXT == n->child->type);
1.96      schwarze 2086:        if (0 == strcmp("on", n->child->string)) {
                   2087:                if (p->col)
                   2088:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2089:                p->flags &= ~TERMP_NONOSPACE;
1.96      schwarze 2090:        } else
1.1       kristaps 2091:                p->flags |= TERMP_NONOSPACE;
                   2092:
                   2093:        return(0);
                   2094: }
                   2095:
                   2096:
                   2097: /* ARGSUSED */
                   2098: static int
                   2099: termp_ap_pre(DECL_ARGS)
                   2100: {
                   2101:
                   2102:        p->flags |= TERMP_NOSPACE;
1.107     schwarze 2103:        term_word(p, "'");
1.1       kristaps 2104:        p->flags |= TERMP_NOSPACE;
                   2105:        return(1);
                   2106: }
                   2107:
                   2108:
                   2109: /* ARGSUSED */
                   2110: static void
                   2111: termp____post(DECL_ARGS)
                   2112: {
1.104     schwarze 2113:
                   2114:        /*
                   2115:         * Handle lists of authors.  In general, print each followed by
                   2116:         * a comma.  Don't print the comma if there are only two
                   2117:         * authors.
                   2118:         */
                   2119:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2120:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2121:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2122:                                return;
1.1       kristaps 2123:
1.62      schwarze 2124:        /* TODO: %U. */
                   2125:
1.106     schwarze 2126:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2127:                return;
                   2128:
1.132     schwarze 2129:        p->flags |= TERMP_NOSPACE;
1.106     schwarze 2130:        if (NULL == n->next) {
                   2131:                term_word(p, ".");
                   2132:                p->flags |= TERMP_SENTENCE;
                   2133:        } else
                   2134:                term_word(p, ",");
1.1       kristaps 2135: }
                   2136:
                   2137:
                   2138: /* ARGSUSED */
                   2139: static int
1.65      schwarze 2140: termp_li_pre(DECL_ARGS)
                   2141: {
                   2142:
                   2143:        term_fontpush(p, TERMFONT_NONE);
                   2144:        return(1);
                   2145: }
                   2146:
                   2147:
                   2148: /* ARGSUSED */
                   2149: static int
1.1       kristaps 2150: termp_lk_pre(DECL_ARGS)
                   2151: {
1.101     schwarze 2152:        const struct mdoc_node *nn, *sv;
1.1       kristaps 2153:
1.65      schwarze 2154:        term_fontpush(p, TERMFONT_UNDER);
1.101     schwarze 2155:
                   2156:        nn = sv = n->child;
1.62      schwarze 2157:
1.114     schwarze 2158:        if (NULL == nn || NULL == nn->next)
1.6       schwarze 2159:                return(1);
1.1       kristaps 2160:
1.101     schwarze 2161:        for (nn = nn->next; nn; nn = nn->next)
                   2162:                term_word(p, nn->string);
                   2163:
1.65      schwarze 2164:        term_fontpop(p);
1.62      schwarze 2165:
1.132     schwarze 2166:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 2167:        term_word(p, ":");
                   2168:
1.65      schwarze 2169:        term_fontpush(p, TERMFONT_BOLD);
1.101     schwarze 2170:        term_word(p, sv->string);
1.65      schwarze 2171:        term_fontpop(p);
1.6       schwarze 2172:
1.1       kristaps 2173:        return(0);
                   2174: }
                   2175:
1.90      schwarze 2176:
                   2177: /* ARGSUSED */
                   2178: static int
                   2179: termp_bk_pre(DECL_ARGS)
                   2180: {
                   2181:
1.91      schwarze 2182:        switch (n->type) {
                   2183:        case (MDOC_BLOCK):
1.95      schwarze 2184:                break;
1.91      schwarze 2185:        case (MDOC_HEAD):
                   2186:                return(0);
                   2187:        case (MDOC_BODY):
1.117     schwarze 2188:                if (n->parent->args || 0 == n->prev->nchild)
                   2189:                        p->flags |= TERMP_PREKEEP;
1.95      schwarze 2190:                break;
1.91      schwarze 2191:        default:
                   2192:                abort();
1.95      schwarze 2193:                /* NOTREACHED */
1.91      schwarze 2194:        }
1.95      schwarze 2195:
                   2196:        return(1);
1.90      schwarze 2197: }
                   2198:
                   2199:
                   2200: /* ARGSUSED */
                   2201: static void
                   2202: termp_bk_post(DECL_ARGS)
                   2203: {
                   2204:
1.91      schwarze 2205:        if (MDOC_BODY == n->type)
                   2206:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90      schwarze 2207: }
1.120     schwarze 2208:
                   2209: /* ARGSUSED */
                   2210: static void
                   2211: termp__t_post(DECL_ARGS)
                   2212: {
                   2213:
                   2214:        /*
                   2215:         * If we're in an `Rs' and there's a journal present, then quote
                   2216:         * us instead of underlining us (for disambiguation).
                   2217:         */
1.121     schwarze 2218:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.125     schwarze 2219:                        n->parent->norm->Rs.quote_T)
1.120     schwarze 2220:                termp_quote_post(p, pair, m, n);
                   2221:
                   2222:        termp____post(p, pair, m, n);
                   2223: }
                   2224:
                   2225: /* ARGSUSED */
                   2226: static int
                   2227: termp__t_pre(DECL_ARGS)
                   2228: {
                   2229:
                   2230:        /*
                   2231:         * If we're in an `Rs' and there's a journal present, then quote
                   2232:         * us instead of underlining us (for disambiguation).
                   2233:         */
1.121     schwarze 2234:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.125     schwarze 2235:                        n->parent->norm->Rs.quote_T)
1.120     schwarze 2236:                return(termp_quote_pre(p, pair, m, n));
                   2237:
                   2238:        term_fontpush(p, TERMFONT_UNDER);
                   2239:        return(1);
1.121     schwarze 2240: }
1.1       kristaps 2241:
                   2242: /* ARGSUSED */
                   2243: static int
1.54      schwarze 2244: termp_under_pre(DECL_ARGS)
1.1       kristaps 2245: {
                   2246:
1.65      schwarze 2247:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 2248:        return(1);
                   2249: }