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Annotation of mandoc/mdoc_term.c, Revision 1.250

1.250   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.249 2013/06/02 18:16:57 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.250   ! schwarze    4:  * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    9:  *
1.6       kristaps   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   17:  */
1.107     kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.1       kristaps   22: #include <sys/types.h>
                     23:
                     24: #include <assert.h>
                     25: #include <ctype.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.125     kristaps   31: #include "mandoc.h"
1.92      kristaps   32: #include "out.h"
1.1       kristaps   33: #include "term.h"
                     34: #include "mdoc.h"
1.89      kristaps   35: #include "main.h"
1.1       kristaps   36:
                     37: struct termpair {
                     38:        struct termpair  *ppair;
1.31      kristaps   39:        int               count;
1.1       kristaps   40: };
                     41:
1.31      kristaps   42: #define        DECL_ARGS struct termp *p, \
                     43:                  struct termpair *pair, \
1.245     schwarze   44:                  const struct mdoc_meta *meta, \
1.244     schwarze   45:                  struct mdoc_node *n
1.1       kristaps   46:
                     47: struct termact {
                     48:        int     (*pre)(DECL_ARGS);
                     49:        void    (*post)(DECL_ARGS);
                     50: };
                     51:
1.157     kristaps   52: static size_t    a2width(const struct termp *, const char *);
                     53: static size_t    a2height(const struct termp *, const char *);
                     54: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   55:
                     56: static void      print_bvspace(struct termp *,
1.151     kristaps   57:                        const struct mdoc_node *,
1.96      kristaps   58:                        const struct mdoc_node *);
1.102     kristaps   59: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   60: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   61: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   62: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   63: static void      synopsis_pre(struct termp *,
                     64:                        const struct mdoc_node *);
1.96      kristaps   65:
1.31      kristaps   66: static void      termp____post(DECL_ARGS);
1.203     kristaps   67: static void      termp__t_post(DECL_ARGS);
1.61      kristaps   68: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   69: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   70: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   71: static void      termp_bl_post(DECL_ARGS);
1.241     schwarze   72: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   73: static void      termp_fo_post(DECL_ARGS);
                     74: static void      termp_in_post(DECL_ARGS);
                     75: static void      termp_it_post(DECL_ARGS);
                     76: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   77: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   78: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   79: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   80: static void      termp_sh_post(DECL_ARGS);
                     81: static void      termp_ss_post(DECL_ARGS);
                     82:
1.184     kristaps   83: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   84: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   85: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   86: static int       termp_ap_pre(DECL_ARGS);
                     87: static int       termp_bd_pre(DECL_ARGS);
                     88: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   89: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   90: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   91: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   92: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   93: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   94: static int       termp_cd_pre(DECL_ARGS);
                     95: static int       termp_d1_pre(DECL_ARGS);
                     96: static int       termp_ex_pre(DECL_ARGS);
                     97: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   98: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_fl_pre(DECL_ARGS);
                    100: static int       termp_fn_pre(DECL_ARGS);
                    101: static int       termp_fo_pre(DECL_ARGS);
                    102: static int       termp_ft_pre(DECL_ARGS);
1.192     schwarze  103: static int       termp_igndelim_pre(DECL_ARGS);
1.31      kristaps  104: static int       termp_in_pre(DECL_ARGS);
                    105: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  106: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  107: static int       termp_lk_pre(DECL_ARGS);
                    108: static int       termp_nd_pre(DECL_ARGS);
                    109: static int       termp_nm_pre(DECL_ARGS);
                    110: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  111: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  112: static int       termp_rs_pre(DECL_ARGS);
                    113: static int       termp_rv_pre(DECL_ARGS);
                    114: static int       termp_sh_pre(DECL_ARGS);
                    115: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  116: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  117: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  118: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  120: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  121: static int       termp_xr_pre(DECL_ARGS);
                    122: static int       termp_xx_pre(DECL_ARGS);
                    123:
1.70      kristaps  124: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  125:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  126:        { NULL, NULL }, /* Dd */
                    127:        { NULL, NULL }, /* Dt */
                    128:        { NULL, NULL }, /* Os */
                    129:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    130:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  131:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  132:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    133:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  134:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    135:        { NULL, NULL }, /* Ed */
1.115     kristaps  136:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  137:        { NULL, NULL }, /* El */
                    138:        { termp_it_pre, termp_it_post }, /* It */
1.178     kristaps  139:        { termp_under_pre, NULL }, /* Ad */
1.61      kristaps  140:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  141:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  142:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  143:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  144:        { NULL, NULL }, /* Dv */
                    145:        { NULL, NULL }, /* Er */
                    146:        { NULL, NULL }, /* Ev */
                    147:        { termp_ex_pre, NULL }, /* Ex */
                    148:        { termp_fa_pre, NULL }, /* Fa */
1.241     schwarze  149:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  150:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  151:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  152:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  153:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  154:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  155:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  156:        { termp_nd_pre, NULL }, /* Nd */
1.164     schwarze  157:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  158:        { termp_quote_pre, termp_quote_post }, /* Op */
1.1       kristaps  159:        { NULL, NULL }, /* Ot */
1.69      kristaps  160:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  161:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  162:        { NULL, NULL }, /* St */
1.69      kristaps  163:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  164:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  165:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  166:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  167:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  168:        { NULL, termp____post }, /* %D */
1.84      kristaps  169:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  170:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  171:        { NULL, termp____post }, /* %N */
                    172:        { NULL, termp____post }, /* %O */
                    173:        { NULL, termp____post }, /* %P */
                    174:        { NULL, termp____post }, /* %R */
1.203     kristaps  175:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  176:        { NULL, termp____post }, /* %V */
                    177:        { NULL, NULL }, /* Ac */
1.188     kristaps  178:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    179:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  180:        { NULL, NULL }, /* At */
1.1       kristaps  181:        { NULL, NULL }, /* Bc */
                    182:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  183:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    184:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  185:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  186:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  187:        { NULL, NULL }, /* Db */
                    188:        { NULL, NULL }, /* Dc */
1.188     kristaps  189:        { termp_quote_pre, termp_quote_post }, /* Do */
                    190:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  191:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  192:        { NULL, NULL }, /* Ef */
1.69      kristaps  193:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  194:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  195:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  196:        { termp_bold_pre, NULL }, /* Ms */
1.192     schwarze  197:        { termp_igndelim_pre, NULL }, /* No */
1.1       kristaps  198:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  199:        { termp_xx_pre, NULL }, /* Nx */
                    200:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  201:        { NULL, NULL }, /* Pc */
1.192     schwarze  202:        { termp_igndelim_pre, termp_pf_post }, /* Pf */
1.188     kristaps  203:        { termp_quote_pre, termp_quote_post }, /* Po */
                    204:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  205:        { NULL, NULL }, /* Qc */
1.188     kristaps  206:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    207:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    208:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  209:        { NULL, NULL }, /* Re */
                    210:        { termp_rs_pre, NULL }, /* Rs */
                    211:        { NULL, NULL }, /* Sc */
1.188     kristaps  212:        { termp_quote_pre, termp_quote_post }, /* So */
                    213:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  214:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  215:        { termp_under_pre, NULL }, /* Sx */
                    216:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  217:        { NULL, NULL }, /* Tn */
1.26      kristaps  218:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  219:        { NULL, NULL }, /* Xc */
                    220:        { NULL, NULL }, /* Xo */
                    221:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    222:        { NULL, NULL }, /* Fc */
1.188     kristaps  223:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  224:        { NULL, NULL }, /* Oc */
1.159     schwarze  225:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  226:        { NULL, NULL }, /* Ek */
                    227:        { termp_bt_pre, NULL }, /* Bt */
                    228:        { NULL, NULL }, /* Hf */
                    229:        { NULL, NULL }, /* Fr */
                    230:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  231:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  232:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  233:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  234:        { termp_under_pre, NULL }, /* Mt */
1.188     kristaps  235:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    236:        { termp_quote_pre, termp_quote_post }, /* Bro */
1.1       kristaps  237:        { NULL, NULL }, /* Brc */
1.83      kristaps  238:        { NULL, termp____post }, /* %C */
1.81      kristaps  239:        { NULL, NULL }, /* Es */ /* TODO */
                    240:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  241:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  242:        { NULL, termp____post }, /* %Q */
1.76      kristaps  243:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  244:        { termp_sp_pre, NULL }, /* sp */
1.243     schwarze  245:        { NULL, termp____post }, /* %U */
1.135     kristaps  246:        { NULL, NULL }, /* Ta */
1.1       kristaps  247: };
                    248:
                    249:
1.70      kristaps  250: void
1.89      kristaps  251: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  252: {
1.70      kristaps  253:        const struct mdoc_node  *n;
1.245     schwarze  254:        const struct mdoc_meta  *meta;
1.89      kristaps  255:        struct termp            *p;
                    256:
                    257:        p = (struct termp *)arg;
1.111     kristaps  258:
1.238     schwarze  259:        if (0 == p->defindent)
                    260:                p->defindent = 5;
                    261:
1.111     kristaps  262:        p->overstep = 0;
1.123     joerg     263:        p->maxrmargin = p->defrmargin;
1.157     kristaps  264:        p->tabwidth = term_len(p, 5);
1.89      kristaps  265:
                    266:        if (NULL == p->symtab)
1.230     kristaps  267:                p->symtab = mchars_alloc();
1.70      kristaps  268:
                    269:        n = mdoc_node(mdoc);
1.245     schwarze  270:        meta = mdoc_meta(mdoc);
1.146     schwarze  271:
1.245     schwarze  272:        term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70      kristaps  273:
                    274:        if (n->child)
1.245     schwarze  275:                print_mdoc_nodelist(p, NULL, meta, n->child);
1.144     kristaps  276:
                    277:        term_end(p);
1.1       kristaps  278: }
                    279:
                    280:
1.3       kristaps  281: static void
1.102     kristaps  282: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  283: {
                    284:
1.245     schwarze  285:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  286:        if (n->next)
1.245     schwarze  287:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  288: }
                    289:
                    290:
1.70      kristaps  291: /* ARGSUSED */
1.3       kristaps  292: static void
1.102     kristaps  293: print_mdoc_node(DECL_ARGS)
1.1       kristaps  294: {
1.102     kristaps  295:        int              chld;
1.1       kristaps  296:        struct termpair  npair;
1.30      kristaps  297:        size_t           offset, rmargin;
1.1       kristaps  298:
1.70      kristaps  299:        chld = 1;
1.29      kristaps  300:        offset = p->offset;
1.30      kristaps  301:        rmargin = p->rmargin;
1.244     schwarze  302:        n->prev_font = term_fontq(p);
1.29      kristaps  303:
1.97      kristaps  304:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  305:        npair.ppair = pair;
1.172     kristaps  306:
                    307:        /*
                    308:         * Keeps only work until the end of a line.  If a keep was
                    309:         * invoked in a prior line, revert it to PREKEEP.
1.197     schwarze  310:         *
                    311:         * Also let SYNPRETTY sections behave as if they were wrapped
                    312:         * in a `Bk' block.
1.172     kristaps  313:         */
                    314:
1.197     schwarze  315:        if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.248     schwarze  316:                if (n->prev ? (n->prev->line != n->line) :
                    317:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  318:                        p->flags &= ~TERMP_KEEP;
                    319:                        p->flags |= TERMP_PREKEEP;
                    320:                }
                    321:        }
1.197     schwarze  322:
                    323:        /*
                    324:         * Since SYNPRETTY sections aren't "turned off" with `Ek',
                    325:         * we have to intuit whether we should disable formatting.
                    326:         */
                    327:
                    328:        if ( ! (MDOC_SYNPRETTY & n->flags) &&
                    329:            ((n->prev   && MDOC_SYNPRETTY & n->prev->flags) ||
                    330:             (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
                    331:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.102     kristaps  332:
1.217     schwarze  333:        /*
                    334:         * After the keep flags have been set up, we may now
                    335:         * produce output.  Note that some pre-handlers do so.
                    336:         */
                    337:
                    338:        switch (n->type) {
                    339:        case (MDOC_TEXT):
                    340:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    341:                        term_newln(p);
1.222     kristaps  342:                if (MDOC_DELIMC & n->flags)
                    343:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  344:                term_word(p, n->string);
1.222     kristaps  345:                if (MDOC_DELIMO & n->flags)
                    346:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  347:                break;
                    348:        case (MDOC_EQN):
1.233     kristaps  349:                term_eqn(p, n->eqn);
1.217     schwarze  350:                break;
                    351:        case (MDOC_TBL):
                    352:                term_tbl(p, n->span);
                    353:                break;
                    354:        default:
                    355:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    356:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  357:                                (p, &npair, meta, n);
1.217     schwarze  358:                break;
                    359:        }
                    360:
1.86      kristaps  361:        if (chld && n->child)
1.245     schwarze  362:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  363:
1.244     schwarze  364:        term_fontpopq(p,
                    365:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  366:
1.206     kristaps  367:        switch (n->type) {
                    368:        case (MDOC_TEXT):
                    369:                break;
                    370:        case (MDOC_TBL):
1.216     kristaps  371:                break;
                    372:        case (MDOC_EQN):
1.206     kristaps  373:                break;
                    374:        default:
                    375:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    376:                        break;
1.245     schwarze  377:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     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:                 */
1.165     kristaps  384:                if (ENDBODY_NOT != n->end)
1.162     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;
1.206     kristaps  394:                break;
1.162     schwarze  395:        }
1.121     kristaps  396:
                    397:        if (MDOC_EOS & n->flags)
                    398:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  399:
                    400:        p->offset = offset;
1.30      kristaps  401:        p->rmargin = rmargin;
1.1       kristaps  402: }
                    403:
                    404:
1.3       kristaps  405: static void
1.145     kristaps  406: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  407: {
1.245     schwarze  408:        const struct mdoc_meta *meta;
1.144     kristaps  409:
1.245     schwarze  410:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  411:
1.102     kristaps  412:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  413:
1.9       kristaps  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:
1.9       kristaps  424:        p->offset = 0;
1.157     kristaps  425:        p->rmargin = (p->maxrmargin -
1.245     schwarze  426:                        term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250   ! schwarze  427:        p->trailspace = 1;
1.1       kristaps  428:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    429:
1.245     schwarze  430:        term_word(p, meta->os);
1.1       kristaps  431:        term_flushln(p);
                    432:
1.9       kristaps  433:        p->offset = p->rmargin;
1.245     schwarze  434:        p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234     schwarze  435:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  436:
1.245     schwarze  437:        term_word(p, meta->date);
1.9       kristaps  438:        term_flushln(p);
                    439:
1.1       kristaps  440:        p->offset = p->rmargin;
                    441:        p->rmargin = p->maxrmargin;
1.250   ! schwarze  442:        p->trailspace = 0;
1.1       kristaps  443:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  444:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  445:
1.245     schwarze  446:        term_word(p, meta->os);
1.1       kristaps  447:        term_flushln(p);
                    448:
1.9       kristaps  449:        p->offset = 0;
                    450:        p->rmargin = p->maxrmargin;
                    451:        p->flags = 0;
1.1       kristaps  452: }
                    453:
                    454:
1.3       kristaps  455: static void
1.144     kristaps  456: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  457: {
1.98      kristaps  458:        char            buf[BUFSIZ], title[BUFSIZ];
1.235     schwarze  459:        size_t          buflen, titlen;
1.245     schwarze  460:        const struct mdoc_meta *meta;
1.144     kristaps  461:
1.245     schwarze  462:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  463:
                    464:        /*
                    465:         * The header is strange.  It has three components, which are
                    466:         * really two with the first duplicated.  It goes like this:
                    467:         *
                    468:         * IDENTIFIER              TITLE                   IDENTIFIER
                    469:         *
                    470:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    471:         * (if given, or "unknown" if not) followed by the manual page
                    472:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    473:         * string depending on the manual volume.  If not specified, it
                    474:         * switches on the manual section.
                    475:         */
                    476:
1.235     schwarze  477:        p->offset = 0;
                    478:        p->rmargin = p->maxrmargin;
                    479:
1.245     schwarze  480:        assert(meta->vol);
                    481:        strlcpy(buf, meta->vol, BUFSIZ);
1.235     schwarze  482:        buflen = term_strlen(p, buf);
1.1       kristaps  483:
1.245     schwarze  484:        if (meta->arch) {
1.98      kristaps  485:                strlcat(buf, " (", BUFSIZ);
1.245     schwarze  486:                strlcat(buf, meta->arch, BUFSIZ);
1.98      kristaps  487:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  488:        }
                    489:
1.245     schwarze  490:        snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.235     schwarze  491:        titlen = term_strlen(p, title);
1.1       kristaps  492:
1.235     schwarze  493:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250   ! schwarze  494:        p->trailspace = 1;
1.1       kristaps  495:        p->offset = 0;
1.235     schwarze  496:        p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
                    497:            (p->maxrmargin -
                    498:             term_strlen(p, buf) + term_len(p, 1)) / 2 :
                    499:            p->maxrmargin - buflen;
1.1       kristaps  500:
                    501:        term_word(p, title);
                    502:        term_flushln(p);
                    503:
1.235     schwarze  504:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  505:        p->offset = p->rmargin;
1.235     schwarze  506:        p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
                    507:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  508:
                    509:        term_word(p, buf);
                    510:        term_flushln(p);
                    511:
                    512:        p->flags &= ~TERMP_NOBREAK;
1.250   ! schwarze  513:        p->trailspace = 0;
1.235     schwarze  514:        if (p->rmargin + titlen <= p->maxrmargin) {
                    515:                p->flags |= TERMP_NOSPACE;
                    516:                p->offset = p->rmargin;
                    517:                p->rmargin = p->maxrmargin;
                    518:                term_word(p, title);
                    519:                term_flushln(p);
                    520:        }
1.1       kristaps  521:
1.235     schwarze  522:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  523:        p->offset = 0;
1.1       kristaps  524:        p->rmargin = p->maxrmargin;
                    525: }
                    526:
                    527:
                    528: static size_t
1.157     kristaps  529: a2height(const struct termp *p, const char *v)
1.1       kristaps  530: {
1.92      kristaps  531:        struct roffsu    su;
1.91      kristaps  532:
1.231     kristaps  533:
1.157     kristaps  534:        assert(v);
                    535:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  536:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  537:
1.157     kristaps  538:        return(term_vspan(p, &su));
1.91      kristaps  539: }
1.1       kristaps  540:
1.40      kristaps  541:
1.91      kristaps  542: static size_t
1.157     kristaps  543: a2width(const struct termp *p, const char *v)
1.91      kristaps  544: {
1.92      kristaps  545:        struct roffsu    su;
1.1       kristaps  546:
1.154     kristaps  547:        assert(v);
                    548:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  549:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  550:
1.157     kristaps  551:        return(term_hspan(p, &su));
1.1       kristaps  552: }
                    553:
                    554:
                    555: static size_t
1.157     kristaps  556: a2offs(const struct termp *p, const char *v)
1.1       kristaps  557: {
1.92      kristaps  558:        struct roffsu    su;
1.1       kristaps  559:
1.148     kristaps  560:        if ('\0' == *v)
1.91      kristaps  561:                return(0);
1.148     kristaps  562:        else if (0 == strcmp(v, "left"))
1.19      kristaps  563:                return(0);
1.148     kristaps  564:        else if (0 == strcmp(v, "indent"))
1.238     schwarze  565:                return(term_len(p, p->defindent + 1));
1.148     kristaps  566:        else if (0 == strcmp(v, "indent-two"))
1.238     schwarze  567:                return(term_len(p, (p->defindent + 1) * 2));
1.148     kristaps  568:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  569:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  570:
1.157     kristaps  571:        return(term_hspan(p, &su));
1.1       kristaps  572: }
                    573:
                    574:
1.108     kristaps  575: /*
                    576:  * Determine how much space to print out before block elements of `It'
                    577:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    578:  * too.
                    579:  */
1.54      kristaps  580: static void
1.151     kristaps  581: print_bvspace(struct termp *p,
                    582:                const struct mdoc_node *bl,
                    583:                const struct mdoc_node *n)
1.1       kristaps  584: {
1.86      kristaps  585:        const struct mdoc_node  *nn;
1.236     schwarze  586:
                    587:        assert(n);
1.1       kristaps  588:
                    589:        term_newln(p);
1.150     kristaps  590:
1.202     kristaps  591:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  592:                return;
1.202     kristaps  593:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  594:                return;
                    595:
1.85      kristaps  596:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  597:
1.86      kristaps  598:        for (nn = n; nn; nn = nn->parent) {
                    599:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  600:                        continue;
1.86      kristaps  601:                if (MDOC_Ss == nn->tok)
1.54      kristaps  602:                        return;
1.86      kristaps  603:                if (MDOC_Sh == nn->tok)
1.54      kristaps  604:                        return;
1.86      kristaps  605:                if (NULL == nn->prev)
1.1       kristaps  606:                        continue;
                    607:                break;
                    608:        }
                    609:
1.85      kristaps  610:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  611:
1.202     kristaps  612:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  613:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  614:                        return;
                    615:
1.85      kristaps  616:        /* A `-diag' without body does not vspace. */
                    617:
1.202     kristaps  618:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  619:                if (n->prev && MDOC_It == n->prev->tok) {
                    620:                        assert(n->prev->body);
                    621:                        if (NULL == n->prev->body->child)
1.55      kristaps  622:                                return;
                    623:                }
                    624:
1.54      kristaps  625:        term_vspace(p);
1.1       kristaps  626: }
                    627:
                    628:
                    629: /* ARGSUSED */
                    630: static int
                    631: termp_it_pre(DECL_ARGS)
                    632: {
1.86      kristaps  633:        const struct mdoc_node *bl, *nn;
1.1       kristaps  634:        char                    buf[7];
1.170     kristaps  635:        int                     i;
1.108     kristaps  636:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  637:        enum mdoc_list          type;
1.1       kristaps  638:
1.86      kristaps  639:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  640:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  641:                return(1);
                    642:        }
1.1       kristaps  643:
1.86      kristaps  644:        bl = n->parent->parent->parent;
1.202     kristaps  645:        type = bl->norm->Bl.type;
1.1       kristaps  646:
1.108     kristaps  647:        /*
                    648:         * First calculate width and offset.  This is pretty easy unless
                    649:         * we're a -column list, in which case all prior columns must
                    650:         * be accounted for.
                    651:         */
                    652:
                    653:        width = offset = 0;
                    654:
1.202     kristaps  655:        if (bl->norm->Bl.offs)
                    656:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  657:
1.1       kristaps  658:        switch (type) {
1.126     kristaps  659:        case (LIST_column):
1.134     kristaps  660:                if (MDOC_HEAD == n->type)
1.1       kristaps  661:                        break;
1.155     kristaps  662:
1.105     kristaps  663:                /*
1.108     kristaps  664:                 * Imitate groff's column handling:
                    665:                 * - For each earlier column, add its width.
                    666:                 * - For less than 5 columns, add four more blanks per
                    667:                 *   column.
                    668:                 * - For exactly 5 columns, add three more blank per
                    669:                 *   column.
                    670:                 * - For more than 5 columns, add only one column.
1.105     kristaps  671:                 */
1.202     kristaps  672:                ncols = bl->norm->Bl.ncols;
1.170     kristaps  673:
1.108     kristaps  674:                /* LINTED */
1.157     kristaps  675:                dcol = ncols < 5 ? term_len(p, 4) :
                    676:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  677:
1.134     kristaps  678:                /*
                    679:                 * Calculate the offset by applying all prior MDOC_BODY,
                    680:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    681:                 */
                    682:
1.108     kristaps  683:                for (i = 0, nn = n->prev;
1.134     kristaps  684:                                nn->prev && i < (int)ncols;
1.108     kristaps  685:                                nn = nn->prev, i++)
                    686:                        offset += dcol + a2width
1.202     kristaps  687:                                (p, bl->norm->Bl.cols[i]);
1.105     kristaps  688:
                    689:                /*
1.108     kristaps  690:                 * When exceeding the declared number of columns, leave
                    691:                 * the remaining widths at 0.  This will later be
                    692:                 * adjusted to the default width of 10, or, for the last
                    693:                 * column, stretched to the right margin.
1.58      kristaps  694:                 */
1.108     kristaps  695:                if (i >= (int)ncols)
                    696:                        break;
1.58      kristaps  697:
1.105     kristaps  698:                /*
1.108     kristaps  699:                 * Use the declared column widths, extended as explained
                    700:                 * in the preceding paragraph.
1.105     kristaps  701:                 */
1.202     kristaps  702:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  703:                break;
                    704:        default:
1.202     kristaps  705:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  706:                        break;
                    707:
                    708:                /*
                    709:                 * Note: buffer the width by 2, which is groff's magic
                    710:                 * number for buffering single arguments.  See the above
                    711:                 * handling for column for how this changes.
                    712:                 */
1.202     kristaps  713:                assert(bl->norm->Bl.width);
                    714:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  715:                break;
                    716:        }
                    717:
                    718:        /*
                    719:         * List-type can override the width in the case of fixed-head
                    720:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  721:         * offset.
1.1       kristaps  722:         */
                    723:
                    724:        switch (type) {
1.126     kristaps  725:        case (LIST_bullet):
1.1       kristaps  726:                /* FALLTHROUGH */
1.126     kristaps  727:        case (LIST_dash):
1.1       kristaps  728:                /* FALLTHROUGH */
1.126     kristaps  729:        case (LIST_hyphen):
1.242     schwarze  730:                /* FALLTHROUGH */
1.126     kristaps  731:        case (LIST_enum):
1.242     schwarze  732:                if (width < term_len(p, 2))
                    733:                        width = term_len(p, 2);
1.17      kristaps  734:                break;
1.126     kristaps  735:        case (LIST_hang):
1.39      kristaps  736:                if (0 == width)
1.157     kristaps  737:                        width = term_len(p, 8);
1.39      kristaps  738:                break;
1.126     kristaps  739:        case (LIST_column):
1.49      kristaps  740:                /* FALLTHROUGH */
1.126     kristaps  741:        case (LIST_tag):
1.1       kristaps  742:                if (0 == width)
1.157     kristaps  743:                        width = term_len(p, 10);
1.1       kristaps  744:                break;
                    745:        default:
                    746:                break;
                    747:        }
                    748:
                    749:        /*
1.17      kristaps  750:         * Whitespace control.  Inset bodies need an initial space,
                    751:         * while diagonal bodies need two.
1.1       kristaps  752:         */
                    753:
1.51      kristaps  754:        p->flags |= TERMP_NOSPACE;
                    755:
1.1       kristaps  756:        switch (type) {
1.126     kristaps  757:        case (LIST_diag):
1.86      kristaps  758:                if (MDOC_BODY == n->type)
1.62      kristaps  759:                        term_word(p, "\\ \\ ");
1.51      kristaps  760:                break;
1.126     kristaps  761:        case (LIST_inset):
1.86      kristaps  762:                if (MDOC_BODY == n->type)
1.51      kristaps  763:                        term_word(p, "\\ ");
1.1       kristaps  764:                break;
                    765:        default:
                    766:                break;
                    767:        }
                    768:
1.51      kristaps  769:        p->flags |= TERMP_NOSPACE;
                    770:
1.1       kristaps  771:        switch (type) {
1.126     kristaps  772:        case (LIST_diag):
1.86      kristaps  773:                if (MDOC_HEAD == n->type)
1.102     kristaps  774:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  775:                break;
                    776:        default:
                    777:                break;
                    778:        }
                    779:
                    780:        /*
1.109     kristaps  781:         * Pad and break control.  This is the tricky part.  These flags
                    782:         * are documented in term_flushln() in term.c.  Note that we're
                    783:         * going to unset all of these flags in termp_it_post() when we
                    784:         * exit.
1.1       kristaps  785:         */
                    786:
                    787:        switch (type) {
1.242     schwarze  788:        case (LIST_enum):
                    789:                /*
                    790:                 * Weird special case.
                    791:                 * Very narrow enum lists actually hang.
                    792:                 */
                    793:                if (width == term_len(p, 2))
                    794:                        p->flags |= TERMP_HANG;
                    795:                /* FALLTHROUGH */
1.126     kristaps  796:        case (LIST_bullet):
1.1       kristaps  797:                /* FALLTHROUGH */
1.126     kristaps  798:        case (LIST_dash):
1.1       kristaps  799:                /* FALLTHROUGH */
1.126     kristaps  800:        case (LIST_hyphen):
1.250   ! schwarze  801:                if (MDOC_HEAD != n->type)
        !           802:                        break;
        !           803:                p->flags |= TERMP_NOBREAK;
        !           804:                p->trailspace = 1;
1.39      kristaps  805:                break;
1.126     kristaps  806:        case (LIST_hang):
1.250   ! schwarze  807:                if (MDOC_HEAD != n->type)
1.59      kristaps  808:                        break;
                    809:
                    810:                /*
                    811:                 * This is ugly.  If `-hang' is specified and the body
                    812:                 * is a `Bl' or `Bd', then we want basically to nullify
                    813:                 * the "overstep" effect in term_flushln() and treat
                    814:                 * this as a `-ohang' list instead.
                    815:                 */
1.86      kristaps  816:                if (n->next->child &&
                    817:                                (MDOC_Bl == n->next->child->tok ||
1.234     schwarze  818:                                 MDOC_Bd == n->next->child->tok))
1.250   ! schwarze  819:                        break;
        !           820:
        !           821:                p->flags |= TERMP_NOBREAK | TERMP_HANG;
        !           822:                p->trailspace = 1;
1.39      kristaps  823:                break;
1.126     kristaps  824:        case (LIST_tag):
1.86      kristaps  825:                if (MDOC_HEAD != n->type)
1.39      kristaps  826:                        break;
1.250   ! schwarze  827:
        !           828:                p->flags |= TERMP_NOBREAK;
        !           829:                p->trailspace = 2;
        !           830:
1.86      kristaps  831:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  832:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  833:                break;
1.126     kristaps  834:        case (LIST_column):
1.134     kristaps  835:                if (MDOC_HEAD == n->type)
                    836:                        break;
                    837:
1.250   ! schwarze  838:                if (NULL == n->next) {
1.134     kristaps  839:                        p->flags &= ~TERMP_NOBREAK;
1.250   ! schwarze  840:                        p->trailspace = 0;
        !           841:                } else {
1.134     kristaps  842:                        p->flags |= TERMP_NOBREAK;
1.250   ! schwarze  843:                        p->trailspace = 1;
        !           844:                }
1.134     kristaps  845:
1.1       kristaps  846:                break;
1.126     kristaps  847:        case (LIST_diag):
1.250   ! schwarze  848:                if (MDOC_HEAD != n->type)
        !           849:                        break;
        !           850:                p->flags |= TERMP_NOBREAK;
        !           851:                p->trailspace = 1;
1.1       kristaps  852:                break;
                    853:        default:
                    854:                break;
                    855:        }
                    856:
                    857:        /*
                    858:         * Margin control.  Set-head-width lists have their right
                    859:         * margins shortened.  The body for these lists has the offset
                    860:         * necessarily lengthened.  Everybody gets the offset.
                    861:         */
                    862:
                    863:        p->offset += offset;
                    864:
                    865:        switch (type) {
1.126     kristaps  866:        case (LIST_hang):
1.59      kristaps  867:                /*
                    868:                 * Same stipulation as above, regarding `-hang'.  We
                    869:                 * don't want to recalculate rmargin and offsets when
                    870:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    871:                 */
1.86      kristaps  872:                if (MDOC_HEAD == n->type && n->next->child &&
                    873:                                (MDOC_Bl == n->next->child->tok ||
                    874:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  875:                        break;
                    876:                /* FALLTHROUGH */
1.126     kristaps  877:        case (LIST_bullet):
1.1       kristaps  878:                /* FALLTHROUGH */
1.126     kristaps  879:        case (LIST_dash):
1.1       kristaps  880:                /* FALLTHROUGH */
1.126     kristaps  881:        case (LIST_enum):
1.1       kristaps  882:                /* FALLTHROUGH */
1.126     kristaps  883:        case (LIST_hyphen):
1.1       kristaps  884:                /* FALLTHROUGH */
1.126     kristaps  885:        case (LIST_tag):
1.49      kristaps  886:                assert(width);
1.86      kristaps  887:                if (MDOC_HEAD == n->type)
1.1       kristaps  888:                        p->rmargin = p->offset + width;
                    889:                else
                    890:                        p->offset += width;
                    891:                break;
1.126     kristaps  892:        case (LIST_column):
1.49      kristaps  893:                assert(width);
1.1       kristaps  894:                p->rmargin = p->offset + width;
1.50      kristaps  895:                /*
                    896:                 * XXX - this behaviour is not documented: the
                    897:                 * right-most column is filled to the right margin.
                    898:                 */
1.134     kristaps  899:                if (MDOC_HEAD == n->type)
                    900:                        break;
                    901:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  902:                        p->rmargin = p->maxrmargin;
1.1       kristaps  903:                break;
                    904:        default:
                    905:                break;
                    906:        }
                    907:
                    908:        /*
                    909:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  910:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  911:         */
                    912:
1.86      kristaps  913:        if (MDOC_HEAD == n->type)
1.1       kristaps  914:                switch (type) {
1.126     kristaps  915:                case (LIST_bullet):
1.102     kristaps  916:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  917:                        term_word(p, "\\[bu]");
1.102     kristaps  918:                        term_fontpop(p);
1.1       kristaps  919:                        break;
1.126     kristaps  920:                case (LIST_dash):
1.1       kristaps  921:                        /* FALLTHROUGH */
1.126     kristaps  922:                case (LIST_hyphen):
1.102     kristaps  923:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  924:                        term_word(p, "\\(hy");
1.102     kristaps  925:                        term_fontpop(p);
1.1       kristaps  926:                        break;
1.126     kristaps  927:                case (LIST_enum):
1.1       kristaps  928:                        (pair->ppair->ppair->count)++;
1.109     kristaps  929:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  930:                                        pair->ppair->ppair->count);
                    931:                        term_word(p, buf);
                    932:                        break;
                    933:                default:
                    934:                        break;
                    935:                }
                    936:
                    937:        /*
                    938:         * If we're not going to process our children, indicate so here.
                    939:         */
                    940:
                    941:        switch (type) {
1.126     kristaps  942:        case (LIST_bullet):
1.1       kristaps  943:                /* FALLTHROUGH */
1.126     kristaps  944:        case (LIST_item):
1.1       kristaps  945:                /* FALLTHROUGH */
1.126     kristaps  946:        case (LIST_dash):
1.1       kristaps  947:                /* FALLTHROUGH */
1.126     kristaps  948:        case (LIST_hyphen):
1.1       kristaps  949:                /* FALLTHROUGH */
1.126     kristaps  950:        case (LIST_enum):
1.86      kristaps  951:                if (MDOC_HEAD == n->type)
1.1       kristaps  952:                        return(0);
                    953:                break;
1.126     kristaps  954:        case (LIST_column):
1.134     kristaps  955:                if (MDOC_HEAD == n->type)
1.1       kristaps  956:                        return(0);
                    957:                break;
                    958:        default:
                    959:                break;
                    960:        }
                    961:
                    962:        return(1);
                    963: }
                    964:
                    965:
                    966: /* ARGSUSED */
                    967: static void
                    968: termp_it_post(DECL_ARGS)
                    969: {
1.126     kristaps  970:        enum mdoc_list     type;
1.1       kristaps  971:
1.109     kristaps  972:        if (MDOC_BLOCK == n->type)
1.1       kristaps  973:                return;
                    974:
1.202     kristaps  975:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  976:
                    977:        switch (type) {
1.126     kristaps  978:        case (LIST_item):
1.1       kristaps  979:                /* FALLTHROUGH */
1.126     kristaps  980:        case (LIST_diag):
1.53      kristaps  981:                /* FALLTHROUGH */
1.126     kristaps  982:        case (LIST_inset):
1.86      kristaps  983:                if (MDOC_BODY == n->type)
1.130     schwarze  984:                        term_newln(p);
1.1       kristaps  985:                break;
1.126     kristaps  986:        case (LIST_column):
1.134     kristaps  987:                if (MDOC_BODY == n->type)
1.1       kristaps  988:                        term_flushln(p);
                    989:                break;
                    990:        default:
1.130     schwarze  991:                term_newln(p);
1.1       kristaps  992:                break;
                    993:        }
                    994:
1.109     kristaps  995:        /*
                    996:         * Now that our output is flushed, we can reset our tags.  Since
                    997:         * only `It' sets these flags, we're free to assume that nobody
                    998:         * has munged them in the meanwhile.
                    999:         */
                   1000:
                   1001:        p->flags &= ~TERMP_DANGLE;
                   1002:        p->flags &= ~TERMP_NOBREAK;
                   1003:        p->flags &= ~TERMP_HANG;
1.250   ! schwarze 1004:        p->trailspace = 0;
1.1       kristaps 1005: }
                   1006:
                   1007:
                   1008: /* ARGSUSED */
                   1009: static int
                   1010: termp_nm_pre(DECL_ARGS)
                   1011: {
                   1012:
1.164     schwarze 1013:        if (MDOC_BLOCK == n->type)
                   1014:                return(1);
                   1015:
                   1016:        if (MDOC_BODY == n->type) {
                   1017:                if (NULL == n->child)
                   1018:                        return(0);
1.234     schwarze 1019:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1020:                p->offset += term_len(p, 1) +
1.245     schwarze 1021:                    (NULL == n->prev->child ?
                   1022:                     term_strlen(p, meta->name) :
1.164     schwarze 1023:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1024:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1025:                     term_len(p, 5));
                   1026:                return(1);
                   1027:        }
                   1028:
1.245     schwarze 1029:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1030:                return(0);
1.125     kristaps 1031:
1.177     schwarze 1032:        if (MDOC_HEAD == n->type)
                   1033:                synopsis_pre(p, n->parent);
1.102     kristaps 1034:
1.164     schwarze 1035:        if (MDOC_HEAD == n->type && n->next->child) {
1.185     schwarze 1036:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.250   ! schwarze 1037:                p->trailspace = 1;
1.185     schwarze 1038:                p->rmargin = p->offset + term_len(p, 1);
                   1039:                if (NULL == n->child) {
1.245     schwarze 1040:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1041:                } else if (MDOC_TEXT == n->child->type) {
                   1042:                        p->rmargin += term_strlen(p, n->child->string);
                   1043:                        if (n->child->next)
                   1044:                                p->flags |= TERMP_HANG;
                   1045:                } else {
                   1046:                        p->rmargin += term_len(p, 5);
                   1047:                        p->flags |= TERMP_HANG;
                   1048:                }
1.164     schwarze 1049:        }
                   1050:
1.102     kristaps 1051:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1052:        if (NULL == n->child)
1.245     schwarze 1053:                term_word(p, meta->name);
1.1       kristaps 1054:        return(1);
                   1055: }
                   1056:
                   1057:
1.164     schwarze 1058: /* ARGSUSED */
                   1059: static void
                   1060: termp_nm_post(DECL_ARGS)
                   1061: {
                   1062:
                   1063:        if (MDOC_HEAD == n->type && n->next->child) {
                   1064:                term_flushln(p);
                   1065:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.250   ! schwarze 1066:                p->trailspace = 0;
1.234     schwarze 1067:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1068:                term_flushln(p);
                   1069: }
                   1070:
                   1071:
1.1       kristaps 1072: /* ARGSUSED */
                   1073: static int
                   1074: termp_fl_pre(DECL_ARGS)
                   1075: {
                   1076:
1.102     kristaps 1077:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1078:        term_word(p, "\\-");
1.103     kristaps 1079:
                   1080:        if (n->child)
1.114     kristaps 1081:                p->flags |= TERMP_NOSPACE;
                   1082:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1083:                p->flags |= TERMP_NOSPACE;
                   1084:
1.1       kristaps 1085:        return(1);
                   1086: }
                   1087:
                   1088:
                   1089: /* ARGSUSED */
                   1090: static int
1.184     kristaps 1091: termp__a_pre(DECL_ARGS)
                   1092: {
                   1093:
                   1094:        if (n->prev && MDOC__A == n->prev->tok)
                   1095:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1096:                        term_word(p, "and");
                   1097:
                   1098:        return(1);
                   1099: }
                   1100:
                   1101:
                   1102: /* ARGSUSED */
                   1103: static int
1.61      kristaps 1104: termp_an_pre(DECL_ARGS)
                   1105: {
                   1106:
1.86      kristaps 1107:        if (NULL == n->child)
1.61      kristaps 1108:                return(1);
                   1109:
                   1110:        /*
1.85      kristaps 1111:         * If not in the AUTHORS section, `An -split' will cause
                   1112:         * newlines to occur before the author name.  If in the AUTHORS
                   1113:         * section, by default, the first `An' invocation is nosplit,
                   1114:         * then all subsequent ones, regardless of whether interspersed
                   1115:         * with other macros/text, are split.  -split, in this case,
                   1116:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1117:         */
                   1118:
1.86      kristaps 1119:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1120:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1121:                        if (TERMP_SPLIT & p->flags)
                   1122:                                term_newln(p);
                   1123:                        return(1);
                   1124:                }
                   1125:                if (TERMP_NOSPLIT & p->flags)
                   1126:                        return(1);
                   1127:                term_newln(p);
                   1128:                return(1);
                   1129:        }
                   1130:
                   1131:        if (TERMP_SPLIT & p->flags)
                   1132:                term_newln(p);
                   1133:
                   1134:        return(1);
                   1135: }
                   1136:
                   1137:
                   1138: /* ARGSUSED */
                   1139: static void
                   1140: termp_an_post(DECL_ARGS)
                   1141: {
                   1142:
1.86      kristaps 1143:        if (n->child) {
                   1144:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1145:                        p->flags |= TERMP_ANPREC;
                   1146:                return;
                   1147:        }
                   1148:
1.202     kristaps 1149:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1150:                p->flags &= ~TERMP_NOSPLIT;
                   1151:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1152:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1153:                p->flags &= ~TERMP_SPLIT;
                   1154:                p->flags |= TERMP_NOSPLIT;
                   1155:        }
                   1156:
                   1157: }
                   1158:
                   1159:
                   1160: /* ARGSUSED */
                   1161: static int
1.1       kristaps 1162: termp_ns_pre(DECL_ARGS)
                   1163: {
                   1164:
1.215     kristaps 1165:        if ( ! (MDOC_LINE & n->flags))
                   1166:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1167:        return(1);
                   1168: }
                   1169:
                   1170:
                   1171: /* ARGSUSED */
                   1172: static int
                   1173: termp_rs_pre(DECL_ARGS)
                   1174: {
                   1175:
1.86      kristaps 1176:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1177:                return(1);
1.86      kristaps 1178:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1179:                term_vspace(p);
                   1180:        return(1);
                   1181: }
                   1182:
                   1183:
                   1184: /* ARGSUSED */
                   1185: static int
                   1186: termp_rv_pre(DECL_ARGS)
                   1187: {
1.223     kristaps 1188:        int              nchild;
1.1       kristaps 1189:
                   1190:        term_newln(p);
                   1191:        term_word(p, "The");
                   1192:
1.223     kristaps 1193:        nchild = n->nchild;
                   1194:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1195:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1196:                term_word(p, n->string);
1.102     kristaps 1197:                term_fontpop(p);
1.224     kristaps 1198:
1.68      kristaps 1199:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1200:                term_word(p, "()");
                   1201:
                   1202:                if (nchild > 2 && n->next) {
                   1203:                        p->flags |= TERMP_NOSPACE;
                   1204:                        term_word(p, ",");
                   1205:                }
                   1206:
                   1207:                if (n->next && NULL == n->next->next)
                   1208:                        term_word(p, "and");
1.68      kristaps 1209:        }
                   1210:
1.223     kristaps 1211:        if (nchild > 1)
1.68      kristaps 1212:                term_word(p, "functions return");
                   1213:        else
                   1214:                term_word(p, "function returns");
1.1       kristaps 1215:
1.68      kristaps 1216:                term_word(p, "the value 0 if successful; otherwise the value "
                   1217:                        "-1 is returned and the global variable");
1.1       kristaps 1218:
1.102     kristaps 1219:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1220:        term_word(p, "errno");
1.102     kristaps 1221:        term_fontpop(p);
1.1       kristaps 1222:
                   1223:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1224:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1225:
1.68      kristaps 1226:        return(0);
1.1       kristaps 1227: }
                   1228:
                   1229:
                   1230: /* ARGSUSED */
                   1231: static int
                   1232: termp_ex_pre(DECL_ARGS)
                   1233: {
1.224     kristaps 1234:        int              nchild;
1.1       kristaps 1235:
1.224     kristaps 1236:        term_newln(p);
1.68      kristaps 1237:        term_word(p, "The");
1.1       kristaps 1238:
1.224     kristaps 1239:        nchild = n->nchild;
                   1240:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1241:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1242:                term_word(p, n->string);
1.102     kristaps 1243:                term_fontpop(p);
1.224     kristaps 1244:
                   1245:                if (nchild > 2 && n->next) {
                   1246:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1247:                        term_word(p, ",");
1.224     kristaps 1248:                }
                   1249:
                   1250:                if (n->next && NULL == n->next->next)
                   1251:                        term_word(p, "and");
1.68      kristaps 1252:        }
                   1253:
1.224     kristaps 1254:        if (nchild > 1)
1.68      kristaps 1255:                term_word(p, "utilities exit");
                   1256:        else
                   1257:                term_word(p, "utility exits");
                   1258:
                   1259:                term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1260:
1.131     kristaps 1261:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1262:        return(0);
1.1       kristaps 1263: }
                   1264:
                   1265:
                   1266: /* ARGSUSED */
                   1267: static int
                   1268: termp_nd_pre(DECL_ARGS)
                   1269: {
1.25      kristaps 1270:
1.86      kristaps 1271:        if (MDOC_BODY != n->type)
1.25      kristaps 1272:                return(1);
1.30      kristaps 1273:
1.27      kristaps 1274: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1275:        term_word(p, "\\(en");
1.23      kristaps 1276: #else
                   1277:        term_word(p, "\\(em");
                   1278: #endif
1.1       kristaps 1279:        return(1);
1.115     kristaps 1280: }
                   1281:
                   1282:
                   1283: /* ARGSUSED */
                   1284: static int
                   1285: termp_bl_pre(DECL_ARGS)
                   1286: {
                   1287:
                   1288:        return(MDOC_HEAD != n->type);
1.1       kristaps 1289: }
                   1290:
                   1291:
                   1292: /* ARGSUSED */
                   1293: static void
                   1294: termp_bl_post(DECL_ARGS)
                   1295: {
                   1296:
1.86      kristaps 1297:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1298:                term_newln(p);
                   1299: }
                   1300:
                   1301: /* ARGSUSED */
                   1302: static int
                   1303: termp_xr_pre(DECL_ARGS)
                   1304: {
                   1305:
1.225     kristaps 1306:        if (NULL == (n = n->child))
1.113     kristaps 1307:                return(0);
                   1308:
1.225     kristaps 1309:        assert(MDOC_TEXT == n->type);
                   1310:        term_word(p, n->string);
1.11      kristaps 1311:
1.225     kristaps 1312:        if (NULL == (n = n->next))
1.1       kristaps 1313:                return(0);
1.225     kristaps 1314:
1.1       kristaps 1315:        p->flags |= TERMP_NOSPACE;
                   1316:        term_word(p, "(");
1.222     kristaps 1317:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1318:
                   1319:        assert(MDOC_TEXT == n->type);
                   1320:        term_word(p, n->string);
                   1321:
1.222     kristaps 1322:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1323:        term_word(p, ")");
1.86      kristaps 1324:
1.1       kristaps 1325:        return(0);
                   1326: }
                   1327:
1.143     kristaps 1328: /*
                   1329:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1330:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1331:  * macro combos).
                   1332:  */
                   1333: static void
                   1334: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1335: {
                   1336:        /*
                   1337:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1338:         * exist, do nothing.
                   1339:         */
1.160     kristaps 1340:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1341:                return;
                   1342:
                   1343:        /*
                   1344:         * If we're the second in a pair of like elements, emit our
                   1345:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1346:         * case we soldier on.
                   1347:         */
                   1348:        if (n->prev->tok == n->tok &&
                   1349:                        MDOC_Ft != n->tok &&
                   1350:                        MDOC_Fo != n->tok &&
                   1351:                        MDOC_Fn != n->tok) {
                   1352:                term_newln(p);
                   1353:                return;
                   1354:        }
                   1355:
                   1356:        /*
                   1357:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1358:         * another (or Fn/Fo, which we've let slip through) then assert
                   1359:         * vertical space, else only newline and move on.
                   1360:         */
                   1361:        switch (n->prev->tok) {
                   1362:        case (MDOC_Fd):
                   1363:                /* FALLTHROUGH */
                   1364:        case (MDOC_Fn):
                   1365:                /* FALLTHROUGH */
                   1366:        case (MDOC_Fo):
                   1367:                /* FALLTHROUGH */
                   1368:        case (MDOC_In):
                   1369:                /* FALLTHROUGH */
                   1370:        case (MDOC_Vt):
                   1371:                term_vspace(p);
                   1372:                break;
                   1373:        case (MDOC_Ft):
                   1374:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1375:                        term_vspace(p);
                   1376:                        break;
                   1377:                }
                   1378:                /* FALLTHROUGH */
                   1379:        default:
                   1380:                term_newln(p);
                   1381:                break;
                   1382:        }
                   1383: }
                   1384:
                   1385:
1.110     kristaps 1386: static int
                   1387: termp_vt_pre(DECL_ARGS)
                   1388: {
                   1389:
1.143     kristaps 1390:        if (MDOC_ELEM == n->type) {
                   1391:                synopsis_pre(p, n);
1.245     schwarze 1392:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1393:        } else if (MDOC_BLOCK == n->type) {
                   1394:                synopsis_pre(p, n);
                   1395:                return(1);
                   1396:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1397:                return(0);
                   1398:
1.245     schwarze 1399:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1400: }
                   1401:
                   1402:
1.1       kristaps 1403: /* ARGSUSED */
                   1404: static int
1.69      kristaps 1405: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1406: {
                   1407:
1.102     kristaps 1408:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1409:        return(1);
                   1410: }
                   1411:
                   1412:
                   1413: /* ARGSUSED */
1.143     kristaps 1414: static int
                   1415: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1416: {
                   1417:
1.143     kristaps 1418:        synopsis_pre(p, n);
1.245     schwarze 1419:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1420: }
                   1421:
                   1422:
                   1423: /* ARGSUSED */
1.241     schwarze 1424: static void
                   1425: termp_fd_post(DECL_ARGS)
                   1426: {
                   1427:
                   1428:        term_newln(p);
                   1429: }
                   1430:
                   1431:
                   1432: /* ARGSUSED */
1.1       kristaps 1433: static int
                   1434: termp_sh_pre(DECL_ARGS)
                   1435: {
1.85      kristaps 1436:
                   1437:        /* No vspace between consecutive `Sh' calls. */
                   1438:
1.86      kristaps 1439:        switch (n->type) {
1.65      kristaps 1440:        case (MDOC_BLOCK):
1.86      kristaps 1441:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1442:                        if (NULL == n->prev->body->child)
1.65      kristaps 1443:                                break;
                   1444:                term_vspace(p);
                   1445:                break;
1.1       kristaps 1446:        case (MDOC_HEAD):
1.102     kristaps 1447:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1448:                break;
                   1449:        case (MDOC_BODY):
1.238     schwarze 1450:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1451:                if (SEC_AUTHORS == n->sec)
                   1452:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1453:                break;
                   1454:        default:
                   1455:                break;
                   1456:        }
                   1457:        return(1);
                   1458: }
                   1459:
                   1460:
                   1461: /* ARGSUSED */
                   1462: static void
                   1463: termp_sh_post(DECL_ARGS)
                   1464: {
                   1465:
1.86      kristaps 1466:        switch (n->type) {
1.1       kristaps 1467:        case (MDOC_HEAD):
                   1468:                term_newln(p);
                   1469:                break;
                   1470:        case (MDOC_BODY):
                   1471:                term_newln(p);
                   1472:                p->offset = 0;
                   1473:                break;
                   1474:        default:
                   1475:                break;
                   1476:        }
                   1477: }
                   1478:
                   1479:
                   1480: /* ARGSUSED */
                   1481: static int
                   1482: termp_bt_pre(DECL_ARGS)
                   1483: {
                   1484:
                   1485:        term_word(p, "is currently in beta test.");
1.131     kristaps 1486:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1487:        return(0);
1.1       kristaps 1488: }
                   1489:
                   1490:
                   1491: /* ARGSUSED */
                   1492: static void
                   1493: termp_lb_post(DECL_ARGS)
                   1494: {
                   1495:
1.122     kristaps 1496:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1497:                term_newln(p);
1.1       kristaps 1498: }
                   1499:
                   1500:
                   1501: /* ARGSUSED */
                   1502: static int
                   1503: termp_ud_pre(DECL_ARGS)
                   1504: {
                   1505:
                   1506:        term_word(p, "currently under development.");
1.131     kristaps 1507:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1508:        return(0);
1.1       kristaps 1509: }
                   1510:
                   1511:
                   1512: /* ARGSUSED */
                   1513: static int
                   1514: termp_d1_pre(DECL_ARGS)
                   1515: {
                   1516:
1.86      kristaps 1517:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1518:                return(1);
                   1519:        term_newln(p);
1.238     schwarze 1520:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1521:        return(1);
                   1522: }
                   1523:
                   1524:
                   1525: /* ARGSUSED */
                   1526: static int
                   1527: termp_ft_pre(DECL_ARGS)
                   1528: {
                   1529:
1.141     kristaps 1530:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1531:        synopsis_pre(p, n);
1.102     kristaps 1532:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1533:        return(1);
                   1534: }
                   1535:
                   1536:
                   1537: /* ARGSUSED */
                   1538: static int
                   1539: termp_fn_pre(DECL_ARGS)
                   1540: {
1.226     kristaps 1541:        int              pretty;
                   1542:
                   1543:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1544:
1.143     kristaps 1545:        synopsis_pre(p, n);
1.139     kristaps 1546:
1.226     kristaps 1547:        if (NULL == (n = n->child))
                   1548:                return(0);
                   1549:
                   1550:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1551:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1552:        term_word(p, n->string);
1.102     kristaps 1553:        term_fontpop(p);
1.1       kristaps 1554:
                   1555:        p->flags |= TERMP_NOSPACE;
                   1556:        term_word(p, "(");
1.222     kristaps 1557:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1558:
1.226     kristaps 1559:        for (n = n->next; n; n = n->next) {
                   1560:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1561:                term_fontpush(p, TERMFONT_UNDER);
1.226     kristaps 1562:                term_word(p, n->string);
1.102     kristaps 1563:                term_fontpop(p);
                   1564:
1.226     kristaps 1565:                if (n->next) {
1.222     kristaps 1566:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1567:                        term_word(p, ",");
1.222     kristaps 1568:                }
1.1       kristaps 1569:        }
                   1570:
1.222     kristaps 1571:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1572:        term_word(p, ")");
                   1573:
1.226     kristaps 1574:        if (pretty) {
1.222     kristaps 1575:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1576:                term_word(p, ";");
1.222     kristaps 1577:        }
1.1       kristaps 1578:
                   1579:        return(0);
                   1580: }
                   1581:
                   1582:
                   1583: /* ARGSUSED */
                   1584: static int
                   1585: termp_fa_pre(DECL_ARGS)
                   1586: {
1.86      kristaps 1587:        const struct mdoc_node  *nn;
1.1       kristaps 1588:
1.86      kristaps 1589:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1590:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1591:                return(1);
                   1592:        }
                   1593:
1.86      kristaps 1594:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1595:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1596:                term_word(p, nn->string);
1.102     kristaps 1597:                term_fontpop(p);
                   1598:
1.222     kristaps 1599:                if (nn->next) {
                   1600:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1601:                        term_word(p, ",");
1.222     kristaps 1602:                }
1.1       kristaps 1603:        }
                   1604:
1.222     kristaps 1605:        if (n->child && n->next && n->next->tok == MDOC_Fa) {
                   1606:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1607:                term_word(p, ",");
1.222     kristaps 1608:        }
1.1       kristaps 1609:
                   1610:        return(0);
                   1611: }
                   1612:
                   1613:
                   1614: /* ARGSUSED */
                   1615: static int
                   1616: termp_bd_pre(DECL_ARGS)
                   1617: {
1.179     kristaps 1618:        size_t                   tabwidth, rm, rmax;
1.244     schwarze 1619:        struct mdoc_node        *nn;
1.1       kristaps 1620:
1.86      kristaps 1621:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1622:                print_bvspace(p, n, n);
1.54      kristaps 1623:                return(1);
1.116     kristaps 1624:        } else if (MDOC_HEAD == n->type)
                   1625:                return(0);
1.1       kristaps 1626:
1.202     kristaps 1627:        if (n->norm->Bd.offs)
                   1628:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1629:
                   1630:        /*
                   1631:         * If -ragged or -filled are specified, the block does nothing
                   1632:         * but change the indentation.  If -unfilled or -literal are
                   1633:         * specified, text is printed exactly as entered in the display:
                   1634:         * for macro lines, a newline is appended to the line.  Blank
                   1635:         * lines are allowed.
                   1636:         */
1.60      kristaps 1637:
1.202     kristaps 1638:        if (DISP_literal != n->norm->Bd.type &&
                   1639:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1640:                return(1);
                   1641:
1.129     schwarze 1642:        tabwidth = p->tabwidth;
1.208     kristaps 1643:        if (DISP_literal == n->norm->Bd.type)
                   1644:                p->tabwidth = term_len(p, 8);
                   1645:
1.119     kristaps 1646:        rm = p->rmargin;
                   1647:        rmax = p->maxrmargin;
1.120     kristaps 1648:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1649:
1.86      kristaps 1650:        for (nn = n->child; nn; nn = nn->next) {
1.245     schwarze 1651:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1652:                /*
                   1653:                 * If the printed node flushes its own line, then we
                   1654:                 * needn't do it here as well.  This is hacky, but the
                   1655:                 * notion of selective eoln whitespace is pretty dumb
                   1656:                 * anyway, so don't sweat it.
                   1657:                 */
                   1658:                switch (nn->tok) {
1.193     kristaps 1659:                case (MDOC_Sm):
                   1660:                        /* FALLTHROUGH */
1.190     kristaps 1661:                case (MDOC_br):
                   1662:                        /* FALLTHROUGH */
                   1663:                case (MDOC_sp):
                   1664:                        /* FALLTHROUGH */
                   1665:                case (MDOC_Bl):
1.196     kristaps 1666:                        /* FALLTHROUGH */
                   1667:                case (MDOC_D1):
                   1668:                        /* FALLTHROUGH */
                   1669:                case (MDOC_Dl):
1.190     kristaps 1670:                        /* FALLTHROUGH */
                   1671:                case (MDOC_Lp):
                   1672:                        /* FALLTHROUGH */
                   1673:                case (MDOC_Pp):
                   1674:                        continue;
                   1675:                default:
                   1676:                        break;
                   1677:                }
1.180     schwarze 1678:                if (nn->next && nn->next->line == nn->line)
                   1679:                        continue;
                   1680:                term_flushln(p);
                   1681:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1682:        }
1.147     kristaps 1683:
1.129     schwarze 1684:        p->tabwidth = tabwidth;
1.119     kristaps 1685:        p->rmargin = rm;
                   1686:        p->maxrmargin = rmax;
1.1       kristaps 1687:        return(0);
                   1688: }
                   1689:
                   1690:
                   1691: /* ARGSUSED */
                   1692: static void
                   1693: termp_bd_post(DECL_ARGS)
                   1694: {
1.119     kristaps 1695:        size_t           rm, rmax;
1.1       kristaps 1696:
1.86      kristaps 1697:        if (MDOC_BODY != n->type)
1.1       kristaps 1698:                return;
1.118     kristaps 1699:
1.119     kristaps 1700:        rm = p->rmargin;
                   1701:        rmax = p->maxrmargin;
1.118     kristaps 1702:
1.202     kristaps 1703:        if (DISP_literal == n->norm->Bd.type ||
                   1704:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1705:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1706:
1.60      kristaps 1707:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1708:        term_newln(p);
1.118     kristaps 1709:
1.119     kristaps 1710:        p->rmargin = rm;
                   1711:        p->maxrmargin = rmax;
1.1       kristaps 1712: }
                   1713:
                   1714:
                   1715: /* ARGSUSED */
1.211     kristaps 1716: static int
                   1717: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1718: {
                   1719:
1.211     kristaps 1720:        if (NULL != (n = n->child)) {
                   1721:                term_word(p, n->string);
                   1722:                p->flags |= TERMP_NOSPACE;
                   1723:                term_word(p, "BSD");
                   1724:        } else {
                   1725:                term_word(p, "BSD");
                   1726:                return(0);
                   1727:        }
                   1728:
                   1729:        if (NULL != (n = n->next)) {
                   1730:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1731:                term_word(p, "-");
1.1       kristaps 1732:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1733:                term_word(p, n->string);
1.211     kristaps 1734:        }
                   1735:
                   1736:        return(0);
1.1       kristaps 1737: }
                   1738:
                   1739:
                   1740: /* ARGSUSED */
                   1741: static int
1.26      kristaps 1742: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1743: {
1.26      kristaps 1744:        const char      *pp;
1.218     schwarze 1745:        int              flags;
1.1       kristaps 1746:
1.26      kristaps 1747:        pp = NULL;
1.86      kristaps 1748:        switch (n->tok) {
1.26      kristaps 1749:        case (MDOC_Bsx):
1.194     schwarze 1750:                pp = "BSD/OS";
1.26      kristaps 1751:                break;
                   1752:        case (MDOC_Dx):
1.100     kristaps 1753:                pp = "DragonFly";
1.26      kristaps 1754:                break;
                   1755:        case (MDOC_Fx):
                   1756:                pp = "FreeBSD";
                   1757:                break;
                   1758:        case (MDOC_Nx):
                   1759:                pp = "NetBSD";
                   1760:                break;
                   1761:        case (MDOC_Ox):
                   1762:                pp = "OpenBSD";
                   1763:                break;
                   1764:        case (MDOC_Ux):
                   1765:                pp = "UNIX";
                   1766:                break;
                   1767:        default:
1.246     schwarze 1768:                abort();
                   1769:                /* NOTREACHED */
1.26      kristaps 1770:        }
1.1       kristaps 1771:
1.26      kristaps 1772:        term_word(p, pp);
1.214     kristaps 1773:        if (n->child) {
1.218     schwarze 1774:                flags = p->flags;
1.214     kristaps 1775:                p->flags |= TERMP_KEEP;
                   1776:                term_word(p, n->child->string);
1.218     schwarze 1777:                p->flags = flags;
1.214     kristaps 1778:        }
                   1779:        return(0);
1.1       kristaps 1780: }
                   1781:
                   1782:
                   1783: /* ARGSUSED */
                   1784: static int
1.192     schwarze 1785: termp_igndelim_pre(DECL_ARGS)
1.1       kristaps 1786: {
                   1787:
                   1788:        p->flags |= TERMP_IGNDELIM;
                   1789:        return(1);
                   1790: }
                   1791:
                   1792:
                   1793: /* ARGSUSED */
                   1794: static void
                   1795: termp_pf_post(DECL_ARGS)
                   1796: {
                   1797:
                   1798:        p->flags |= TERMP_NOSPACE;
                   1799: }
                   1800:
                   1801:
                   1802: /* ARGSUSED */
                   1803: static int
                   1804: termp_ss_pre(DECL_ARGS)
                   1805: {
                   1806:
1.86      kristaps 1807:        switch (n->type) {
1.1       kristaps 1808:        case (MDOC_BLOCK):
                   1809:                term_newln(p);
1.86      kristaps 1810:                if (n->prev)
1.1       kristaps 1811:                        term_vspace(p);
                   1812:                break;
                   1813:        case (MDOC_HEAD):
1.102     kristaps 1814:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1815:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1816:                break;
                   1817:        default:
                   1818:                break;
                   1819:        }
                   1820:
                   1821:        return(1);
                   1822: }
                   1823:
                   1824:
                   1825: /* ARGSUSED */
                   1826: static void
                   1827: termp_ss_post(DECL_ARGS)
                   1828: {
                   1829:
1.86      kristaps 1830:        if (MDOC_HEAD == n->type)
1.1       kristaps 1831:                term_newln(p);
                   1832: }
                   1833:
                   1834:
                   1835: /* ARGSUSED */
                   1836: static int
                   1837: termp_cd_pre(DECL_ARGS)
                   1838: {
                   1839:
1.143     kristaps 1840:        synopsis_pre(p, n);
1.102     kristaps 1841:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1842:        return(1);
                   1843: }
                   1844:
                   1845:
                   1846: /* ARGSUSED */
                   1847: static int
                   1848: termp_in_pre(DECL_ARGS)
                   1849: {
1.142     schwarze 1850:
1.143     kristaps 1851:        synopsis_pre(p, n);
1.1       kristaps 1852:
1.160     kristaps 1853:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1854:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1855:                term_word(p, "#include");
1.138     kristaps 1856:                term_word(p, "<");
                   1857:        } else {
                   1858:                term_word(p, "<");
                   1859:                term_fontpush(p, TERMFONT_UNDER);
                   1860:        }
1.22      kristaps 1861:
1.1       kristaps 1862:        p->flags |= TERMP_NOSPACE;
                   1863:        return(1);
                   1864: }
                   1865:
                   1866:
                   1867: /* ARGSUSED */
                   1868: static void
                   1869: termp_in_post(DECL_ARGS)
                   1870: {
                   1871:
1.160     kristaps 1872:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1873:                term_fontpush(p, TERMFONT_BOLD);
                   1874:
1.79      kristaps 1875:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1876:        term_word(p, ">");
                   1877:
1.160     kristaps 1878:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1879:                term_fontpop(p);
1.1       kristaps 1880: }
                   1881:
                   1882:
                   1883: /* ARGSUSED */
                   1884: static int
1.45      kristaps 1885: termp_sp_pre(DECL_ARGS)
                   1886: {
1.91      kristaps 1887:        size_t           i, len;
1.45      kristaps 1888:
1.86      kristaps 1889:        switch (n->tok) {
1.76      kristaps 1890:        case (MDOC_sp):
1.157     kristaps 1891:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1892:                break;
                   1893:        case (MDOC_br):
                   1894:                len = 0;
                   1895:                break;
                   1896:        default:
                   1897:                len = 1;
                   1898:                break;
1.45      kristaps 1899:        }
                   1900:
                   1901:        if (0 == len)
                   1902:                term_newln(p);
                   1903:        for (i = 0; i < len; i++)
                   1904:                term_vspace(p);
                   1905:
                   1906:        return(0);
                   1907: }
                   1908:
                   1909:
1.189     kristaps 1910: /* ARGSUSED */
1.45      kristaps 1911: static int
1.188     kristaps 1912: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1913: {
                   1914:
1.203     kristaps 1915:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1916:                return(1);
                   1917:
1.188     kristaps 1918:        switch (n->tok) {
                   1919:        case (MDOC_Ao):
                   1920:                /* FALLTHROUGH */
                   1921:        case (MDOC_Aq):
                   1922:                term_word(p, "<");
                   1923:                break;
                   1924:        case (MDOC_Bro):
                   1925:                /* FALLTHROUGH */
                   1926:        case (MDOC_Brq):
                   1927:                term_word(p, "{");
                   1928:                break;
                   1929:        case (MDOC_Oo):
                   1930:                /* FALLTHROUGH */
                   1931:        case (MDOC_Op):
                   1932:                /* FALLTHROUGH */
                   1933:        case (MDOC_Bo):
                   1934:                /* FALLTHROUGH */
                   1935:        case (MDOC_Bq):
                   1936:                term_word(p, "[");
                   1937:                break;
                   1938:        case (MDOC_Do):
                   1939:                /* FALLTHROUGH */
                   1940:        case (MDOC_Dq):
1.249     schwarze 1941:                term_word(p, "\\(lq");
1.188     kristaps 1942:                break;
1.237     schwarze 1943:        case (MDOC_Eo):
                   1944:                break;
1.188     kristaps 1945:        case (MDOC_Po):
                   1946:                /* FALLTHROUGH */
                   1947:        case (MDOC_Pq):
                   1948:                term_word(p, "(");
                   1949:                break;
1.205     kristaps 1950:        case (MDOC__T):
                   1951:                /* FALLTHROUGH */
1.188     kristaps 1952:        case (MDOC_Qo):
                   1953:                /* FALLTHROUGH */
                   1954:        case (MDOC_Qq):
                   1955:                term_word(p, "\"");
                   1956:                break;
                   1957:        case (MDOC_Ql):
                   1958:                /* FALLTHROUGH */
                   1959:        case (MDOC_So):
                   1960:                /* FALLTHROUGH */
                   1961:        case (MDOC_Sq):
1.249     schwarze 1962:                term_word(p, "\\(oq");
1.188     kristaps 1963:                break;
                   1964:        default:
                   1965:                abort();
                   1966:                /* NOTREACHED */
                   1967:        }
1.1       kristaps 1968:
                   1969:        p->flags |= TERMP_NOSPACE;
                   1970:        return(1);
                   1971: }
                   1972:
                   1973:
1.189     kristaps 1974: /* ARGSUSED */
1.1       kristaps 1975: static void
1.188     kristaps 1976: termp_quote_post(DECL_ARGS)
1.1       kristaps 1977: {
                   1978:
1.203     kristaps 1979:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1980:                return;
                   1981:
                   1982:        p->flags |= TERMP_NOSPACE;
                   1983:
1.188     kristaps 1984:        switch (n->tok) {
                   1985:        case (MDOC_Ao):
                   1986:                /* FALLTHROUGH */
                   1987:        case (MDOC_Aq):
                   1988:                term_word(p, ">");
                   1989:                break;
                   1990:        case (MDOC_Bro):
                   1991:                /* FALLTHROUGH */
                   1992:        case (MDOC_Brq):
                   1993:                term_word(p, "}");
                   1994:                break;
                   1995:        case (MDOC_Oo):
                   1996:                /* FALLTHROUGH */
                   1997:        case (MDOC_Op):
                   1998:                /* FALLTHROUGH */
                   1999:        case (MDOC_Bo):
                   2000:                /* FALLTHROUGH */
                   2001:        case (MDOC_Bq):
                   2002:                term_word(p, "]");
                   2003:                break;
                   2004:        case (MDOC_Do):
                   2005:                /* FALLTHROUGH */
                   2006:        case (MDOC_Dq):
1.249     schwarze 2007:                term_word(p, "\\(rq");
1.237     schwarze 2008:                break;
                   2009:        case (MDOC_Eo):
1.188     kristaps 2010:                break;
                   2011:        case (MDOC_Po):
                   2012:                /* FALLTHROUGH */
                   2013:        case (MDOC_Pq):
                   2014:                term_word(p, ")");
                   2015:                break;
1.205     kristaps 2016:        case (MDOC__T):
                   2017:                /* FALLTHROUGH */
1.188     kristaps 2018:        case (MDOC_Qo):
                   2019:                /* FALLTHROUGH */
                   2020:        case (MDOC_Qq):
                   2021:                term_word(p, "\"");
                   2022:                break;
                   2023:        case (MDOC_Ql):
                   2024:                /* FALLTHROUGH */
                   2025:        case (MDOC_So):
                   2026:                /* FALLTHROUGH */
                   2027:        case (MDOC_Sq):
1.249     schwarze 2028:                term_word(p, "\\(cq");
1.188     kristaps 2029:                break;
                   2030:        default:
                   2031:                abort();
                   2032:                /* NOTREACHED */
                   2033:        }
1.1       kristaps 2034: }
                   2035:
                   2036:
                   2037: /* ARGSUSED */
                   2038: static int
                   2039: termp_fo_pre(DECL_ARGS)
                   2040: {
                   2041:
1.141     kristaps 2042:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2043:                synopsis_pre(p, n);
1.141     kristaps 2044:                return(1);
                   2045:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2046:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2047:                term_word(p, "(");
1.222     kristaps 2048:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2049:                return(1);
1.141     kristaps 2050:        }
                   2051:
1.169     kristaps 2052:        if (NULL == n->child)
                   2053:                return(0);
                   2054:
1.141     kristaps 2055:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2056:
1.141     kristaps 2057:        assert(n->child->string);
1.102     kristaps 2058:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2059:        term_word(p, n->child->string);
1.1       kristaps 2060:        return(0);
                   2061: }
                   2062:
                   2063:
                   2064: /* ARGSUSED */
                   2065: static void
                   2066: termp_fo_post(DECL_ARGS)
                   2067: {
                   2068:
1.143     kristaps 2069:        if (MDOC_BODY != n->type)
                   2070:                return;
                   2071:
1.222     kristaps 2072:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2073:        term_word(p, ")");
                   2074:
1.222     kristaps 2075:        if (MDOC_SYNPRETTY & n->flags) {
                   2076:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2077:                term_word(p, ";");
1.222     kristaps 2078:        }
1.1       kristaps 2079: }
                   2080:
                   2081:
                   2082: /* ARGSUSED */
                   2083: static int
                   2084: termp_bf_pre(DECL_ARGS)
                   2085: {
                   2086:
1.86      kristaps 2087:        if (MDOC_HEAD == n->type)
1.1       kristaps 2088:                return(0);
1.244     schwarze 2089:        else if (MDOC_BODY != n->type)
1.1       kristaps 2090:                return(1);
                   2091:
1.202     kristaps 2092:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2093:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2094:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2095:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2096:        else
1.102     kristaps 2097:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2098:
                   2099:        return(1);
                   2100: }
                   2101:
                   2102:
                   2103: /* ARGSUSED */
                   2104: static int
                   2105: termp_sm_pre(DECL_ARGS)
                   2106: {
                   2107:
1.86      kristaps 2108:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2109:        if (0 == strcmp("on", n->child->string)) {
                   2110:                if (p->col)
                   2111:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2112:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2113:        } else
1.1       kristaps 2114:                p->flags |= TERMP_NONOSPACE;
                   2115:
                   2116:        return(0);
                   2117: }
                   2118:
                   2119:
                   2120: /* ARGSUSED */
                   2121: static int
                   2122: termp_ap_pre(DECL_ARGS)
                   2123: {
                   2124:
                   2125:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2126:        term_word(p, "'");
1.1       kristaps 2127:        p->flags |= TERMP_NOSPACE;
                   2128:        return(1);
                   2129: }
                   2130:
                   2131:
                   2132: /* ARGSUSED */
                   2133: static void
                   2134: termp____post(DECL_ARGS)
                   2135: {
1.184     kristaps 2136:
                   2137:        /*
                   2138:         * Handle lists of authors.  In general, print each followed by
                   2139:         * a comma.  Don't print the comma if there are only two
                   2140:         * authors.
                   2141:         */
                   2142:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2143:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2144:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2145:                                return;
1.1       kristaps 2146:
1.95      kristaps 2147:        /* TODO: %U. */
                   2148:
1.187     kristaps 2149:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2150:                return;
                   2151:
1.222     kristaps 2152:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2153:        if (NULL == n->next) {
                   2154:                term_word(p, ".");
                   2155:                p->flags |= TERMP_SENTENCE;
                   2156:        } else
                   2157:                term_word(p, ",");
1.1       kristaps 2158: }
                   2159:
                   2160:
                   2161: /* ARGSUSED */
                   2162: static int
1.102     kristaps 2163: termp_li_pre(DECL_ARGS)
                   2164: {
                   2165:
                   2166:        term_fontpush(p, TERMFONT_NONE);
                   2167:        return(1);
                   2168: }
                   2169:
                   2170:
                   2171: /* ARGSUSED */
                   2172: static int
1.1       kristaps 2173: termp_lk_pre(DECL_ARGS)
                   2174: {
1.240     schwarze 2175:        const struct mdoc_node *link, *descr;
1.1       kristaps 2176:
1.240     schwarze 2177:        if (NULL == (link = n->child))
                   2178:                return(0);
1.181     kristaps 2179:
1.240     schwarze 2180:        if (NULL != (descr = link->next)) {
                   2181:                term_fontpush(p, TERMFONT_UNDER);
                   2182:                while (NULL != descr) {
                   2183:                        term_word(p, descr->string);
                   2184:                        descr = descr->next;
                   2185:                }
                   2186:                p->flags |= TERMP_NOSPACE;
                   2187:                term_word(p, ":");
                   2188:                term_fontpop(p);
                   2189:        }
1.1       kristaps 2190:
1.102     kristaps 2191:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2192:        term_word(p, link->string);
1.102     kristaps 2193:        term_fontpop(p);
1.12      kristaps 2194:
1.1       kristaps 2195:        return(0);
                   2196: }
                   2197:
1.159     schwarze 2198:
                   2199: /* ARGSUSED */
                   2200: static int
                   2201: termp_bk_pre(DECL_ARGS)
                   2202: {
                   2203:
1.161     schwarze 2204:        switch (n->type) {
                   2205:        case (MDOC_BLOCK):
1.166     kristaps 2206:                break;
1.161     schwarze 2207:        case (MDOC_HEAD):
                   2208:                return(0);
                   2209:        case (MDOC_BODY):
1.200     schwarze 2210:                if (n->parent->args || 0 == n->prev->nchild)
                   2211:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2212:                break;
1.161     schwarze 2213:        default:
                   2214:                abort();
1.166     kristaps 2215:                /* NOTREACHED */
1.161     schwarze 2216:        }
1.166     kristaps 2217:
                   2218:        return(1);
1.159     schwarze 2219: }
                   2220:
                   2221:
                   2222: /* ARGSUSED */
                   2223: static void
                   2224: termp_bk_post(DECL_ARGS)
                   2225: {
                   2226:
1.247     schwarze 2227:        if (MDOC_BODY == n->type && ! (MDOC_SYNPRETTY & n->flags))
1.161     schwarze 2228:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2229: }
                   2230:
                   2231: /* ARGSUSED */
                   2232: static void
                   2233: termp__t_post(DECL_ARGS)
                   2234: {
                   2235:
                   2236:        /*
                   2237:         * If we're in an `Rs' and there's a journal present, then quote
                   2238:         * us instead of underlining us (for disambiguation).
                   2239:         */
1.217     schwarze 2240:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2241:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2242:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2243:
1.245     schwarze 2244:        termp____post(p, pair, meta, n);
1.203     kristaps 2245: }
                   2246:
                   2247: /* ARGSUSED */
                   2248: static int
                   2249: termp__t_pre(DECL_ARGS)
                   2250: {
                   2251:
                   2252:        /*
                   2253:         * If we're in an `Rs' and there's a journal present, then quote
                   2254:         * us instead of underlining us (for disambiguation).
                   2255:         */
                   2256:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2257:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2258:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2259:
                   2260:        term_fontpush(p, TERMFONT_UNDER);
                   2261:        return(1);
1.159     schwarze 2262: }
1.1       kristaps 2263:
                   2264: /* ARGSUSED */
                   2265: static int
1.69      kristaps 2266: termp_under_pre(DECL_ARGS)
1.1       kristaps 2267: {
                   2268:
1.102     kristaps 2269:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2270:        return(1);
                   2271: }

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