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Annotation of mandoc/mdoc_term.c, Revision 1.249

1.249   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.248 2013/05/29 16:11:40 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.240     schwarze    4:  * Copyright (c) 2010, 2012 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;
1.1       kristaps  427:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    428:
1.245     schwarze  429:        term_word(p, meta->os);
1.1       kristaps  430:        term_flushln(p);
                    431:
1.9       kristaps  432:        p->offset = p->rmargin;
1.245     schwarze  433:        p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234     schwarze  434:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  435:
1.245     schwarze  436:        term_word(p, meta->date);
1.9       kristaps  437:        term_flushln(p);
                    438:
1.1       kristaps  439:        p->offset = p->rmargin;
                    440:        p->rmargin = p->maxrmargin;
                    441:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  442:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  443:
1.245     schwarze  444:        term_word(p, meta->os);
1.1       kristaps  445:        term_flushln(p);
                    446:
1.9       kristaps  447:        p->offset = 0;
                    448:        p->rmargin = p->maxrmargin;
                    449:        p->flags = 0;
1.1       kristaps  450: }
                    451:
                    452:
1.3       kristaps  453: static void
1.144     kristaps  454: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  455: {
1.98      kristaps  456:        char            buf[BUFSIZ], title[BUFSIZ];
1.235     schwarze  457:        size_t          buflen, titlen;
1.245     schwarze  458:        const struct mdoc_meta *meta;
1.144     kristaps  459:
1.245     schwarze  460:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  461:
                    462:        /*
                    463:         * The header is strange.  It has three components, which are
                    464:         * really two with the first duplicated.  It goes like this:
                    465:         *
                    466:         * IDENTIFIER              TITLE                   IDENTIFIER
                    467:         *
                    468:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    469:         * (if given, or "unknown" if not) followed by the manual page
                    470:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    471:         * string depending on the manual volume.  If not specified, it
                    472:         * switches on the manual section.
                    473:         */
                    474:
1.235     schwarze  475:        p->offset = 0;
                    476:        p->rmargin = p->maxrmargin;
                    477:
1.245     schwarze  478:        assert(meta->vol);
                    479:        strlcpy(buf, meta->vol, BUFSIZ);
1.235     schwarze  480:        buflen = term_strlen(p, buf);
1.1       kristaps  481:
1.245     schwarze  482:        if (meta->arch) {
1.98      kristaps  483:                strlcat(buf, " (", BUFSIZ);
1.245     schwarze  484:                strlcat(buf, meta->arch, BUFSIZ);
1.98      kristaps  485:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  486:        }
                    487:
1.245     schwarze  488:        snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.235     schwarze  489:        titlen = term_strlen(p, title);
1.1       kristaps  490:
1.235     schwarze  491:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.1       kristaps  492:        p->offset = 0;
1.235     schwarze  493:        p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
                    494:            (p->maxrmargin -
                    495:             term_strlen(p, buf) + term_len(p, 1)) / 2 :
                    496:            p->maxrmargin - buflen;
1.1       kristaps  497:
                    498:        term_word(p, title);
                    499:        term_flushln(p);
                    500:
1.235     schwarze  501:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  502:        p->offset = p->rmargin;
1.235     schwarze  503:        p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
                    504:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  505:
                    506:        term_word(p, buf);
                    507:        term_flushln(p);
                    508:
                    509:        p->flags &= ~TERMP_NOBREAK;
1.235     schwarze  510:        if (p->rmargin + titlen <= p->maxrmargin) {
                    511:                p->flags |= TERMP_NOSPACE;
                    512:                p->offset = p->rmargin;
                    513:                p->rmargin = p->maxrmargin;
                    514:                term_word(p, title);
                    515:                term_flushln(p);
                    516:        }
1.1       kristaps  517:
1.235     schwarze  518:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  519:        p->offset = 0;
1.1       kristaps  520:        p->rmargin = p->maxrmargin;
                    521: }
                    522:
                    523:
                    524: static size_t
1.157     kristaps  525: a2height(const struct termp *p, const char *v)
1.1       kristaps  526: {
1.92      kristaps  527:        struct roffsu    su;
1.91      kristaps  528:
1.231     kristaps  529:
1.157     kristaps  530:        assert(v);
                    531:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  532:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  533:
1.157     kristaps  534:        return(term_vspan(p, &su));
1.91      kristaps  535: }
1.1       kristaps  536:
1.40      kristaps  537:
1.91      kristaps  538: static size_t
1.157     kristaps  539: a2width(const struct termp *p, const char *v)
1.91      kristaps  540: {
1.92      kristaps  541:        struct roffsu    su;
1.1       kristaps  542:
1.154     kristaps  543:        assert(v);
                    544:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  545:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  546:
1.157     kristaps  547:        return(term_hspan(p, &su));
1.1       kristaps  548: }
                    549:
                    550:
                    551: static size_t
1.157     kristaps  552: a2offs(const struct termp *p, const char *v)
1.1       kristaps  553: {
1.92      kristaps  554:        struct roffsu    su;
1.1       kristaps  555:
1.148     kristaps  556:        if ('\0' == *v)
1.91      kristaps  557:                return(0);
1.148     kristaps  558:        else if (0 == strcmp(v, "left"))
1.19      kristaps  559:                return(0);
1.148     kristaps  560:        else if (0 == strcmp(v, "indent"))
1.238     schwarze  561:                return(term_len(p, p->defindent + 1));
1.148     kristaps  562:        else if (0 == strcmp(v, "indent-two"))
1.238     schwarze  563:                return(term_len(p, (p->defindent + 1) * 2));
1.148     kristaps  564:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  565:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  566:
1.157     kristaps  567:        return(term_hspan(p, &su));
1.1       kristaps  568: }
                    569:
                    570:
1.108     kristaps  571: /*
                    572:  * Determine how much space to print out before block elements of `It'
                    573:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    574:  * too.
                    575:  */
1.54      kristaps  576: static void
1.151     kristaps  577: print_bvspace(struct termp *p,
                    578:                const struct mdoc_node *bl,
                    579:                const struct mdoc_node *n)
1.1       kristaps  580: {
1.86      kristaps  581:        const struct mdoc_node  *nn;
1.236     schwarze  582:
                    583:        assert(n);
1.1       kristaps  584:
                    585:        term_newln(p);
1.150     kristaps  586:
1.202     kristaps  587:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  588:                return;
1.202     kristaps  589:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  590:                return;
                    591:
1.85      kristaps  592:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  593:
1.86      kristaps  594:        for (nn = n; nn; nn = nn->parent) {
                    595:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  596:                        continue;
1.86      kristaps  597:                if (MDOC_Ss == nn->tok)
1.54      kristaps  598:                        return;
1.86      kristaps  599:                if (MDOC_Sh == nn->tok)
1.54      kristaps  600:                        return;
1.86      kristaps  601:                if (NULL == nn->prev)
1.1       kristaps  602:                        continue;
                    603:                break;
                    604:        }
                    605:
1.85      kristaps  606:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  607:
1.202     kristaps  608:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  609:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  610:                        return;
                    611:
1.85      kristaps  612:        /* A `-diag' without body does not vspace. */
                    613:
1.202     kristaps  614:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  615:                if (n->prev && MDOC_It == n->prev->tok) {
                    616:                        assert(n->prev->body);
                    617:                        if (NULL == n->prev->body->child)
1.55      kristaps  618:                                return;
                    619:                }
                    620:
1.54      kristaps  621:        term_vspace(p);
1.1       kristaps  622: }
                    623:
                    624:
                    625: /* ARGSUSED */
                    626: static int
                    627: termp_it_pre(DECL_ARGS)
                    628: {
1.86      kristaps  629:        const struct mdoc_node *bl, *nn;
1.1       kristaps  630:        char                    buf[7];
1.170     kristaps  631:        int                     i;
1.108     kristaps  632:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  633:        enum mdoc_list          type;
1.1       kristaps  634:
1.86      kristaps  635:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  636:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  637:                return(1);
                    638:        }
1.1       kristaps  639:
1.86      kristaps  640:        bl = n->parent->parent->parent;
1.202     kristaps  641:        type = bl->norm->Bl.type;
1.1       kristaps  642:
1.108     kristaps  643:        /*
                    644:         * First calculate width and offset.  This is pretty easy unless
                    645:         * we're a -column list, in which case all prior columns must
                    646:         * be accounted for.
                    647:         */
                    648:
                    649:        width = offset = 0;
                    650:
1.202     kristaps  651:        if (bl->norm->Bl.offs)
                    652:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  653:
1.1       kristaps  654:        switch (type) {
1.126     kristaps  655:        case (LIST_column):
1.134     kristaps  656:                if (MDOC_HEAD == n->type)
1.1       kristaps  657:                        break;
1.155     kristaps  658:
1.105     kristaps  659:                /*
1.108     kristaps  660:                 * Imitate groff's column handling:
                    661:                 * - For each earlier column, add its width.
                    662:                 * - For less than 5 columns, add four more blanks per
                    663:                 *   column.
                    664:                 * - For exactly 5 columns, add three more blank per
                    665:                 *   column.
                    666:                 * - For more than 5 columns, add only one column.
1.105     kristaps  667:                 */
1.202     kristaps  668:                ncols = bl->norm->Bl.ncols;
1.170     kristaps  669:
1.108     kristaps  670:                /* LINTED */
1.157     kristaps  671:                dcol = ncols < 5 ? term_len(p, 4) :
                    672:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  673:
1.134     kristaps  674:                /*
                    675:                 * Calculate the offset by applying all prior MDOC_BODY,
                    676:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    677:                 */
                    678:
1.108     kristaps  679:                for (i = 0, nn = n->prev;
1.134     kristaps  680:                                nn->prev && i < (int)ncols;
1.108     kristaps  681:                                nn = nn->prev, i++)
                    682:                        offset += dcol + a2width
1.202     kristaps  683:                                (p, bl->norm->Bl.cols[i]);
1.105     kristaps  684:
                    685:                /*
1.108     kristaps  686:                 * When exceeding the declared number of columns, leave
                    687:                 * the remaining widths at 0.  This will later be
                    688:                 * adjusted to the default width of 10, or, for the last
                    689:                 * column, stretched to the right margin.
1.58      kristaps  690:                 */
1.108     kristaps  691:                if (i >= (int)ncols)
                    692:                        break;
1.58      kristaps  693:
1.105     kristaps  694:                /*
1.108     kristaps  695:                 * Use the declared column widths, extended as explained
                    696:                 * in the preceding paragraph.
1.105     kristaps  697:                 */
1.202     kristaps  698:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  699:                break;
                    700:        default:
1.202     kristaps  701:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  702:                        break;
                    703:
                    704:                /*
                    705:                 * Note: buffer the width by 2, which is groff's magic
                    706:                 * number for buffering single arguments.  See the above
                    707:                 * handling for column for how this changes.
                    708:                 */
1.202     kristaps  709:                assert(bl->norm->Bl.width);
                    710:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  711:                break;
                    712:        }
                    713:
                    714:        /*
                    715:         * List-type can override the width in the case of fixed-head
                    716:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  717:         * offset.
1.1       kristaps  718:         */
                    719:
                    720:        switch (type) {
1.126     kristaps  721:        case (LIST_bullet):
1.1       kristaps  722:                /* FALLTHROUGH */
1.126     kristaps  723:        case (LIST_dash):
1.1       kristaps  724:                /* FALLTHROUGH */
1.126     kristaps  725:        case (LIST_hyphen):
1.242     schwarze  726:                /* FALLTHROUGH */
1.126     kristaps  727:        case (LIST_enum):
1.242     schwarze  728:                if (width < term_len(p, 2))
                    729:                        width = term_len(p, 2);
1.17      kristaps  730:                break;
1.126     kristaps  731:        case (LIST_hang):
1.39      kristaps  732:                if (0 == width)
1.157     kristaps  733:                        width = term_len(p, 8);
1.39      kristaps  734:                break;
1.126     kristaps  735:        case (LIST_column):
1.49      kristaps  736:                /* FALLTHROUGH */
1.126     kristaps  737:        case (LIST_tag):
1.1       kristaps  738:                if (0 == width)
1.157     kristaps  739:                        width = term_len(p, 10);
1.1       kristaps  740:                break;
                    741:        default:
                    742:                break;
                    743:        }
                    744:
                    745:        /*
1.17      kristaps  746:         * Whitespace control.  Inset bodies need an initial space,
                    747:         * while diagonal bodies need two.
1.1       kristaps  748:         */
                    749:
1.51      kristaps  750:        p->flags |= TERMP_NOSPACE;
                    751:
1.1       kristaps  752:        switch (type) {
1.126     kristaps  753:        case (LIST_diag):
1.86      kristaps  754:                if (MDOC_BODY == n->type)
1.62      kristaps  755:                        term_word(p, "\\ \\ ");
1.51      kristaps  756:                break;
1.126     kristaps  757:        case (LIST_inset):
1.86      kristaps  758:                if (MDOC_BODY == n->type)
1.51      kristaps  759:                        term_word(p, "\\ ");
1.1       kristaps  760:                break;
                    761:        default:
                    762:                break;
                    763:        }
                    764:
1.51      kristaps  765:        p->flags |= TERMP_NOSPACE;
                    766:
1.1       kristaps  767:        switch (type) {
1.126     kristaps  768:        case (LIST_diag):
1.86      kristaps  769:                if (MDOC_HEAD == n->type)
1.102     kristaps  770:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  771:                break;
                    772:        default:
                    773:                break;
                    774:        }
                    775:
                    776:        /*
1.109     kristaps  777:         * Pad and break control.  This is the tricky part.  These flags
                    778:         * are documented in term_flushln() in term.c.  Note that we're
                    779:         * going to unset all of these flags in termp_it_post() when we
                    780:         * exit.
1.1       kristaps  781:         */
                    782:
                    783:        switch (type) {
1.242     schwarze  784:        case (LIST_enum):
                    785:                /*
                    786:                 * Weird special case.
                    787:                 * Very narrow enum lists actually hang.
                    788:                 */
                    789:                if (width == term_len(p, 2))
                    790:                        p->flags |= TERMP_HANG;
                    791:                /* FALLTHROUGH */
1.126     kristaps  792:        case (LIST_bullet):
1.1       kristaps  793:                /* FALLTHROUGH */
1.126     kristaps  794:        case (LIST_dash):
1.1       kristaps  795:                /* FALLTHROUGH */
1.126     kristaps  796:        case (LIST_hyphen):
1.86      kristaps  797:                if (MDOC_HEAD == n->type)
1.39      kristaps  798:                        p->flags |= TERMP_NOBREAK;
                    799:                break;
1.126     kristaps  800:        case (LIST_hang):
1.86      kristaps  801:                if (MDOC_HEAD == n->type)
1.39      kristaps  802:                        p->flags |= TERMP_NOBREAK;
                    803:                else
1.59      kristaps  804:                        break;
                    805:
                    806:                /*
                    807:                 * This is ugly.  If `-hang' is specified and the body
                    808:                 * is a `Bl' or `Bd', then we want basically to nullify
                    809:                 * the "overstep" effect in term_flushln() and treat
                    810:                 * this as a `-ohang' list instead.
                    811:                 */
1.86      kristaps  812:                if (n->next->child &&
                    813:                                (MDOC_Bl == n->next->child->tok ||
1.234     schwarze  814:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  815:                        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  816:                else
1.39      kristaps  817:                        p->flags |= TERMP_HANG;
                    818:                break;
1.126     kristaps  819:        case (LIST_tag):
1.86      kristaps  820:                if (MDOC_HEAD == n->type)
1.51      kristaps  821:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.38      kristaps  822:
1.86      kristaps  823:                if (MDOC_HEAD != n->type)
1.39      kristaps  824:                        break;
1.86      kristaps  825:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  826:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  827:                break;
1.126     kristaps  828:        case (LIST_column):
1.134     kristaps  829:                if (MDOC_HEAD == n->type)
                    830:                        break;
                    831:
                    832:                if (NULL == n->next)
                    833:                        p->flags &= ~TERMP_NOBREAK;
                    834:                else
                    835:                        p->flags |= TERMP_NOBREAK;
                    836:
1.1       kristaps  837:                break;
1.126     kristaps  838:        case (LIST_diag):
1.86      kristaps  839:                if (MDOC_HEAD == n->type)
1.1       kristaps  840:                        p->flags |= TERMP_NOBREAK;
                    841:                break;
                    842:        default:
                    843:                break;
                    844:        }
                    845:
                    846:        /*
                    847:         * Margin control.  Set-head-width lists have their right
                    848:         * margins shortened.  The body for these lists has the offset
                    849:         * necessarily lengthened.  Everybody gets the offset.
                    850:         */
                    851:
                    852:        p->offset += offset;
                    853:
                    854:        switch (type) {
1.126     kristaps  855:        case (LIST_hang):
1.59      kristaps  856:                /*
                    857:                 * Same stipulation as above, regarding `-hang'.  We
                    858:                 * don't want to recalculate rmargin and offsets when
                    859:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    860:                 */
1.86      kristaps  861:                if (MDOC_HEAD == n->type && n->next->child &&
                    862:                                (MDOC_Bl == n->next->child->tok ||
                    863:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  864:                        break;
                    865:                /* FALLTHROUGH */
1.126     kristaps  866:        case (LIST_bullet):
1.1       kristaps  867:                /* FALLTHROUGH */
1.126     kristaps  868:        case (LIST_dash):
1.1       kristaps  869:                /* FALLTHROUGH */
1.126     kristaps  870:        case (LIST_enum):
1.1       kristaps  871:                /* FALLTHROUGH */
1.126     kristaps  872:        case (LIST_hyphen):
1.1       kristaps  873:                /* FALLTHROUGH */
1.126     kristaps  874:        case (LIST_tag):
1.49      kristaps  875:                assert(width);
1.86      kristaps  876:                if (MDOC_HEAD == n->type)
1.1       kristaps  877:                        p->rmargin = p->offset + width;
                    878:                else
                    879:                        p->offset += width;
                    880:                break;
1.126     kristaps  881:        case (LIST_column):
1.49      kristaps  882:                assert(width);
1.1       kristaps  883:                p->rmargin = p->offset + width;
1.50      kristaps  884:                /*
                    885:                 * XXX - this behaviour is not documented: the
                    886:                 * right-most column is filled to the right margin.
                    887:                 */
1.134     kristaps  888:                if (MDOC_HEAD == n->type)
                    889:                        break;
                    890:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  891:                        p->rmargin = p->maxrmargin;
1.1       kristaps  892:                break;
                    893:        default:
                    894:                break;
                    895:        }
                    896:
                    897:        /*
                    898:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  899:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  900:         */
                    901:
1.86      kristaps  902:        if (MDOC_HEAD == n->type)
1.1       kristaps  903:                switch (type) {
1.126     kristaps  904:                case (LIST_bullet):
1.102     kristaps  905:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  906:                        term_word(p, "\\[bu]");
1.102     kristaps  907:                        term_fontpop(p);
1.1       kristaps  908:                        break;
1.126     kristaps  909:                case (LIST_dash):
1.1       kristaps  910:                        /* FALLTHROUGH */
1.126     kristaps  911:                case (LIST_hyphen):
1.102     kristaps  912:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  913:                        term_word(p, "\\(hy");
1.102     kristaps  914:                        term_fontpop(p);
1.1       kristaps  915:                        break;
1.126     kristaps  916:                case (LIST_enum):
1.1       kristaps  917:                        (pair->ppair->ppair->count)++;
1.109     kristaps  918:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  919:                                        pair->ppair->ppair->count);
                    920:                        term_word(p, buf);
                    921:                        break;
                    922:                default:
                    923:                        break;
                    924:                }
                    925:
                    926:        /*
                    927:         * If we're not going to process our children, indicate so here.
                    928:         */
                    929:
                    930:        switch (type) {
1.126     kristaps  931:        case (LIST_bullet):
1.1       kristaps  932:                /* FALLTHROUGH */
1.126     kristaps  933:        case (LIST_item):
1.1       kristaps  934:                /* FALLTHROUGH */
1.126     kristaps  935:        case (LIST_dash):
1.1       kristaps  936:                /* FALLTHROUGH */
1.126     kristaps  937:        case (LIST_hyphen):
1.1       kristaps  938:                /* FALLTHROUGH */
1.126     kristaps  939:        case (LIST_enum):
1.86      kristaps  940:                if (MDOC_HEAD == n->type)
1.1       kristaps  941:                        return(0);
                    942:                break;
1.126     kristaps  943:        case (LIST_column):
1.134     kristaps  944:                if (MDOC_HEAD == n->type)
1.1       kristaps  945:                        return(0);
                    946:                break;
                    947:        default:
                    948:                break;
                    949:        }
                    950:
                    951:        return(1);
                    952: }
                    953:
                    954:
                    955: /* ARGSUSED */
                    956: static void
                    957: termp_it_post(DECL_ARGS)
                    958: {
1.126     kristaps  959:        enum mdoc_list     type;
1.1       kristaps  960:
1.109     kristaps  961:        if (MDOC_BLOCK == n->type)
1.1       kristaps  962:                return;
                    963:
1.202     kristaps  964:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  965:
                    966:        switch (type) {
1.126     kristaps  967:        case (LIST_item):
1.1       kristaps  968:                /* FALLTHROUGH */
1.126     kristaps  969:        case (LIST_diag):
1.53      kristaps  970:                /* FALLTHROUGH */
1.126     kristaps  971:        case (LIST_inset):
1.86      kristaps  972:                if (MDOC_BODY == n->type)
1.130     schwarze  973:                        term_newln(p);
1.1       kristaps  974:                break;
1.126     kristaps  975:        case (LIST_column):
1.134     kristaps  976:                if (MDOC_BODY == n->type)
1.1       kristaps  977:                        term_flushln(p);
                    978:                break;
                    979:        default:
1.130     schwarze  980:                term_newln(p);
1.1       kristaps  981:                break;
                    982:        }
                    983:
1.109     kristaps  984:        /*
                    985:         * Now that our output is flushed, we can reset our tags.  Since
                    986:         * only `It' sets these flags, we're free to assume that nobody
                    987:         * has munged them in the meanwhile.
                    988:         */
                    989:
                    990:        p->flags &= ~TERMP_DANGLE;
                    991:        p->flags &= ~TERMP_NOBREAK;
                    992:        p->flags &= ~TERMP_TWOSPACE;
                    993:        p->flags &= ~TERMP_HANG;
1.1       kristaps  994: }
                    995:
                    996:
                    997: /* ARGSUSED */
                    998: static int
                    999: termp_nm_pre(DECL_ARGS)
                   1000: {
                   1001:
1.164     schwarze 1002:        if (MDOC_BLOCK == n->type)
                   1003:                return(1);
                   1004:
                   1005:        if (MDOC_BODY == n->type) {
                   1006:                if (NULL == n->child)
                   1007:                        return(0);
1.234     schwarze 1008:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1009:                p->offset += term_len(p, 1) +
1.245     schwarze 1010:                    (NULL == n->prev->child ?
                   1011:                     term_strlen(p, meta->name) :
1.164     schwarze 1012:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1013:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1014:                     term_len(p, 5));
                   1015:                return(1);
                   1016:        }
                   1017:
1.245     schwarze 1018:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1019:                return(0);
1.125     kristaps 1020:
1.177     schwarze 1021:        if (MDOC_HEAD == n->type)
                   1022:                synopsis_pre(p, n->parent);
1.102     kristaps 1023:
1.164     schwarze 1024:        if (MDOC_HEAD == n->type && n->next->child) {
1.185     schwarze 1025:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                   1026:                p->rmargin = p->offset + term_len(p, 1);
                   1027:                if (NULL == n->child) {
1.245     schwarze 1028:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1029:                } else if (MDOC_TEXT == n->child->type) {
                   1030:                        p->rmargin += term_strlen(p, n->child->string);
                   1031:                        if (n->child->next)
                   1032:                                p->flags |= TERMP_HANG;
                   1033:                } else {
                   1034:                        p->rmargin += term_len(p, 5);
                   1035:                        p->flags |= TERMP_HANG;
                   1036:                }
1.164     schwarze 1037:        }
                   1038:
1.102     kristaps 1039:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1040:        if (NULL == n->child)
1.245     schwarze 1041:                term_word(p, meta->name);
1.1       kristaps 1042:        return(1);
                   1043: }
                   1044:
                   1045:
1.164     schwarze 1046: /* ARGSUSED */
                   1047: static void
                   1048: termp_nm_post(DECL_ARGS)
                   1049: {
                   1050:
                   1051:        if (MDOC_HEAD == n->type && n->next->child) {
                   1052:                term_flushln(p);
                   1053:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.234     schwarze 1054:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1055:                term_flushln(p);
                   1056: }
                   1057:
                   1058:
1.1       kristaps 1059: /* ARGSUSED */
                   1060: static int
                   1061: termp_fl_pre(DECL_ARGS)
                   1062: {
                   1063:
1.102     kristaps 1064:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1065:        term_word(p, "\\-");
1.103     kristaps 1066:
                   1067:        if (n->child)
1.114     kristaps 1068:                p->flags |= TERMP_NOSPACE;
                   1069:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1070:                p->flags |= TERMP_NOSPACE;
                   1071:
1.1       kristaps 1072:        return(1);
                   1073: }
                   1074:
                   1075:
                   1076: /* ARGSUSED */
                   1077: static int
1.184     kristaps 1078: termp__a_pre(DECL_ARGS)
                   1079: {
                   1080:
                   1081:        if (n->prev && MDOC__A == n->prev->tok)
                   1082:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1083:                        term_word(p, "and");
                   1084:
                   1085:        return(1);
                   1086: }
                   1087:
                   1088:
                   1089: /* ARGSUSED */
                   1090: static int
1.61      kristaps 1091: termp_an_pre(DECL_ARGS)
                   1092: {
                   1093:
1.86      kristaps 1094:        if (NULL == n->child)
1.61      kristaps 1095:                return(1);
                   1096:
                   1097:        /*
1.85      kristaps 1098:         * If not in the AUTHORS section, `An -split' will cause
                   1099:         * newlines to occur before the author name.  If in the AUTHORS
                   1100:         * section, by default, the first `An' invocation is nosplit,
                   1101:         * then all subsequent ones, regardless of whether interspersed
                   1102:         * with other macros/text, are split.  -split, in this case,
                   1103:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1104:         */
                   1105:
1.86      kristaps 1106:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1107:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1108:                        if (TERMP_SPLIT & p->flags)
                   1109:                                term_newln(p);
                   1110:                        return(1);
                   1111:                }
                   1112:                if (TERMP_NOSPLIT & p->flags)
                   1113:                        return(1);
                   1114:                term_newln(p);
                   1115:                return(1);
                   1116:        }
                   1117:
                   1118:        if (TERMP_SPLIT & p->flags)
                   1119:                term_newln(p);
                   1120:
                   1121:        return(1);
                   1122: }
                   1123:
                   1124:
                   1125: /* ARGSUSED */
                   1126: static void
                   1127: termp_an_post(DECL_ARGS)
                   1128: {
                   1129:
1.86      kristaps 1130:        if (n->child) {
                   1131:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1132:                        p->flags |= TERMP_ANPREC;
                   1133:                return;
                   1134:        }
                   1135:
1.202     kristaps 1136:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1137:                p->flags &= ~TERMP_NOSPLIT;
                   1138:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1139:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1140:                p->flags &= ~TERMP_SPLIT;
                   1141:                p->flags |= TERMP_NOSPLIT;
                   1142:        }
                   1143:
                   1144: }
                   1145:
                   1146:
                   1147: /* ARGSUSED */
                   1148: static int
1.1       kristaps 1149: termp_ns_pre(DECL_ARGS)
                   1150: {
                   1151:
1.215     kristaps 1152:        if ( ! (MDOC_LINE & n->flags))
                   1153:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1154:        return(1);
                   1155: }
                   1156:
                   1157:
                   1158: /* ARGSUSED */
                   1159: static int
                   1160: termp_rs_pre(DECL_ARGS)
                   1161: {
                   1162:
1.86      kristaps 1163:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1164:                return(1);
1.86      kristaps 1165:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1166:                term_vspace(p);
                   1167:        return(1);
                   1168: }
                   1169:
                   1170:
                   1171: /* ARGSUSED */
                   1172: static int
                   1173: termp_rv_pre(DECL_ARGS)
                   1174: {
1.223     kristaps 1175:        int              nchild;
1.1       kristaps 1176:
                   1177:        term_newln(p);
                   1178:        term_word(p, "The");
                   1179:
1.223     kristaps 1180:        nchild = n->nchild;
                   1181:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1182:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1183:                term_word(p, n->string);
1.102     kristaps 1184:                term_fontpop(p);
1.224     kristaps 1185:
1.68      kristaps 1186:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1187:                term_word(p, "()");
                   1188:
                   1189:                if (nchild > 2 && n->next) {
                   1190:                        p->flags |= TERMP_NOSPACE;
                   1191:                        term_word(p, ",");
                   1192:                }
                   1193:
                   1194:                if (n->next && NULL == n->next->next)
                   1195:                        term_word(p, "and");
1.68      kristaps 1196:        }
                   1197:
1.223     kristaps 1198:        if (nchild > 1)
1.68      kristaps 1199:                term_word(p, "functions return");
                   1200:        else
                   1201:                term_word(p, "function returns");
1.1       kristaps 1202:
1.68      kristaps 1203:                term_word(p, "the value 0 if successful; otherwise the value "
                   1204:                        "-1 is returned and the global variable");
1.1       kristaps 1205:
1.102     kristaps 1206:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1207:        term_word(p, "errno");
1.102     kristaps 1208:        term_fontpop(p);
1.1       kristaps 1209:
                   1210:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1211:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1212:
1.68      kristaps 1213:        return(0);
1.1       kristaps 1214: }
                   1215:
                   1216:
                   1217: /* ARGSUSED */
                   1218: static int
                   1219: termp_ex_pre(DECL_ARGS)
                   1220: {
1.224     kristaps 1221:        int              nchild;
1.1       kristaps 1222:
1.224     kristaps 1223:        term_newln(p);
1.68      kristaps 1224:        term_word(p, "The");
1.1       kristaps 1225:
1.224     kristaps 1226:        nchild = n->nchild;
                   1227:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1228:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1229:                term_word(p, n->string);
1.102     kristaps 1230:                term_fontpop(p);
1.224     kristaps 1231:
                   1232:                if (nchild > 2 && n->next) {
                   1233:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1234:                        term_word(p, ",");
1.224     kristaps 1235:                }
                   1236:
                   1237:                if (n->next && NULL == n->next->next)
                   1238:                        term_word(p, "and");
1.68      kristaps 1239:        }
                   1240:
1.224     kristaps 1241:        if (nchild > 1)
1.68      kristaps 1242:                term_word(p, "utilities exit");
                   1243:        else
                   1244:                term_word(p, "utility exits");
                   1245:
                   1246:                term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1247:
1.131     kristaps 1248:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1249:        return(0);
1.1       kristaps 1250: }
                   1251:
                   1252:
                   1253: /* ARGSUSED */
                   1254: static int
                   1255: termp_nd_pre(DECL_ARGS)
                   1256: {
1.25      kristaps 1257:
1.86      kristaps 1258:        if (MDOC_BODY != n->type)
1.25      kristaps 1259:                return(1);
1.30      kristaps 1260:
1.27      kristaps 1261: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1262:        term_word(p, "\\(en");
1.23      kristaps 1263: #else
                   1264:        term_word(p, "\\(em");
                   1265: #endif
1.1       kristaps 1266:        return(1);
1.115     kristaps 1267: }
                   1268:
                   1269:
                   1270: /* ARGSUSED */
                   1271: static int
                   1272: termp_bl_pre(DECL_ARGS)
                   1273: {
                   1274:
                   1275:        return(MDOC_HEAD != n->type);
1.1       kristaps 1276: }
                   1277:
                   1278:
                   1279: /* ARGSUSED */
                   1280: static void
                   1281: termp_bl_post(DECL_ARGS)
                   1282: {
                   1283:
1.86      kristaps 1284:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1285:                term_newln(p);
                   1286: }
                   1287:
                   1288: /* ARGSUSED */
                   1289: static int
                   1290: termp_xr_pre(DECL_ARGS)
                   1291: {
                   1292:
1.225     kristaps 1293:        if (NULL == (n = n->child))
1.113     kristaps 1294:                return(0);
                   1295:
1.225     kristaps 1296:        assert(MDOC_TEXT == n->type);
                   1297:        term_word(p, n->string);
1.11      kristaps 1298:
1.225     kristaps 1299:        if (NULL == (n = n->next))
1.1       kristaps 1300:                return(0);
1.225     kristaps 1301:
1.1       kristaps 1302:        p->flags |= TERMP_NOSPACE;
                   1303:        term_word(p, "(");
1.222     kristaps 1304:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1305:
                   1306:        assert(MDOC_TEXT == n->type);
                   1307:        term_word(p, n->string);
                   1308:
1.222     kristaps 1309:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1310:        term_word(p, ")");
1.86      kristaps 1311:
1.1       kristaps 1312:        return(0);
                   1313: }
                   1314:
1.143     kristaps 1315: /*
                   1316:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1317:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1318:  * macro combos).
                   1319:  */
                   1320: static void
                   1321: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1322: {
                   1323:        /*
                   1324:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1325:         * exist, do nothing.
                   1326:         */
1.160     kristaps 1327:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1328:                return;
                   1329:
                   1330:        /*
                   1331:         * If we're the second in a pair of like elements, emit our
                   1332:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1333:         * case we soldier on.
                   1334:         */
                   1335:        if (n->prev->tok == n->tok &&
                   1336:                        MDOC_Ft != n->tok &&
                   1337:                        MDOC_Fo != n->tok &&
                   1338:                        MDOC_Fn != n->tok) {
                   1339:                term_newln(p);
                   1340:                return;
                   1341:        }
                   1342:
                   1343:        /*
                   1344:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1345:         * another (or Fn/Fo, which we've let slip through) then assert
                   1346:         * vertical space, else only newline and move on.
                   1347:         */
                   1348:        switch (n->prev->tok) {
                   1349:        case (MDOC_Fd):
                   1350:                /* FALLTHROUGH */
                   1351:        case (MDOC_Fn):
                   1352:                /* FALLTHROUGH */
                   1353:        case (MDOC_Fo):
                   1354:                /* FALLTHROUGH */
                   1355:        case (MDOC_In):
                   1356:                /* FALLTHROUGH */
                   1357:        case (MDOC_Vt):
                   1358:                term_vspace(p);
                   1359:                break;
                   1360:        case (MDOC_Ft):
                   1361:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1362:                        term_vspace(p);
                   1363:                        break;
                   1364:                }
                   1365:                /* FALLTHROUGH */
                   1366:        default:
                   1367:                term_newln(p);
                   1368:                break;
                   1369:        }
                   1370: }
                   1371:
                   1372:
1.110     kristaps 1373: static int
                   1374: termp_vt_pre(DECL_ARGS)
                   1375: {
                   1376:
1.143     kristaps 1377:        if (MDOC_ELEM == n->type) {
                   1378:                synopsis_pre(p, n);
1.245     schwarze 1379:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1380:        } else if (MDOC_BLOCK == n->type) {
                   1381:                synopsis_pre(p, n);
                   1382:                return(1);
                   1383:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1384:                return(0);
                   1385:
1.245     schwarze 1386:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1387: }
                   1388:
                   1389:
1.1       kristaps 1390: /* ARGSUSED */
                   1391: static int
1.69      kristaps 1392: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1393: {
                   1394:
1.102     kristaps 1395:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1396:        return(1);
                   1397: }
                   1398:
                   1399:
                   1400: /* ARGSUSED */
1.143     kristaps 1401: static int
                   1402: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1403: {
                   1404:
1.143     kristaps 1405:        synopsis_pre(p, n);
1.245     schwarze 1406:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1407: }
                   1408:
                   1409:
                   1410: /* ARGSUSED */
1.241     schwarze 1411: static void
                   1412: termp_fd_post(DECL_ARGS)
                   1413: {
                   1414:
                   1415:        term_newln(p);
                   1416: }
                   1417:
                   1418:
                   1419: /* ARGSUSED */
1.1       kristaps 1420: static int
                   1421: termp_sh_pre(DECL_ARGS)
                   1422: {
1.85      kristaps 1423:
                   1424:        /* No vspace between consecutive `Sh' calls. */
                   1425:
1.86      kristaps 1426:        switch (n->type) {
1.65      kristaps 1427:        case (MDOC_BLOCK):
1.86      kristaps 1428:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1429:                        if (NULL == n->prev->body->child)
1.65      kristaps 1430:                                break;
                   1431:                term_vspace(p);
                   1432:                break;
1.1       kristaps 1433:        case (MDOC_HEAD):
1.102     kristaps 1434:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1435:                break;
                   1436:        case (MDOC_BODY):
1.238     schwarze 1437:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1438:                if (SEC_AUTHORS == n->sec)
                   1439:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1440:                break;
                   1441:        default:
                   1442:                break;
                   1443:        }
                   1444:        return(1);
                   1445: }
                   1446:
                   1447:
                   1448: /* ARGSUSED */
                   1449: static void
                   1450: termp_sh_post(DECL_ARGS)
                   1451: {
                   1452:
1.86      kristaps 1453:        switch (n->type) {
1.1       kristaps 1454:        case (MDOC_HEAD):
                   1455:                term_newln(p);
                   1456:                break;
                   1457:        case (MDOC_BODY):
                   1458:                term_newln(p);
                   1459:                p->offset = 0;
                   1460:                break;
                   1461:        default:
                   1462:                break;
                   1463:        }
                   1464: }
                   1465:
                   1466:
                   1467: /* ARGSUSED */
                   1468: static int
                   1469: termp_bt_pre(DECL_ARGS)
                   1470: {
                   1471:
                   1472:        term_word(p, "is currently in beta test.");
1.131     kristaps 1473:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1474:        return(0);
1.1       kristaps 1475: }
                   1476:
                   1477:
                   1478: /* ARGSUSED */
                   1479: static void
                   1480: termp_lb_post(DECL_ARGS)
                   1481: {
                   1482:
1.122     kristaps 1483:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1484:                term_newln(p);
1.1       kristaps 1485: }
                   1486:
                   1487:
                   1488: /* ARGSUSED */
                   1489: static int
                   1490: termp_ud_pre(DECL_ARGS)
                   1491: {
                   1492:
                   1493:        term_word(p, "currently under development.");
1.131     kristaps 1494:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1495:        return(0);
1.1       kristaps 1496: }
                   1497:
                   1498:
                   1499: /* ARGSUSED */
                   1500: static int
                   1501: termp_d1_pre(DECL_ARGS)
                   1502: {
                   1503:
1.86      kristaps 1504:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1505:                return(1);
                   1506:        term_newln(p);
1.238     schwarze 1507:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1508:        return(1);
                   1509: }
                   1510:
                   1511:
                   1512: /* ARGSUSED */
                   1513: static int
                   1514: termp_ft_pre(DECL_ARGS)
                   1515: {
                   1516:
1.141     kristaps 1517:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1518:        synopsis_pre(p, n);
1.102     kristaps 1519:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1520:        return(1);
                   1521: }
                   1522:
                   1523:
                   1524: /* ARGSUSED */
                   1525: static int
                   1526: termp_fn_pre(DECL_ARGS)
                   1527: {
1.226     kristaps 1528:        int              pretty;
                   1529:
                   1530:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1531:
1.143     kristaps 1532:        synopsis_pre(p, n);
1.139     kristaps 1533:
1.226     kristaps 1534:        if (NULL == (n = n->child))
                   1535:                return(0);
                   1536:
                   1537:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1538:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1539:        term_word(p, n->string);
1.102     kristaps 1540:        term_fontpop(p);
1.1       kristaps 1541:
                   1542:        p->flags |= TERMP_NOSPACE;
                   1543:        term_word(p, "(");
1.222     kristaps 1544:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1545:
1.226     kristaps 1546:        for (n = n->next; n; n = n->next) {
                   1547:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1548:                term_fontpush(p, TERMFONT_UNDER);
1.226     kristaps 1549:                term_word(p, n->string);
1.102     kristaps 1550:                term_fontpop(p);
                   1551:
1.226     kristaps 1552:                if (n->next) {
1.222     kristaps 1553:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1554:                        term_word(p, ",");
1.222     kristaps 1555:                }
1.1       kristaps 1556:        }
                   1557:
1.222     kristaps 1558:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1559:        term_word(p, ")");
                   1560:
1.226     kristaps 1561:        if (pretty) {
1.222     kristaps 1562:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1563:                term_word(p, ";");
1.222     kristaps 1564:        }
1.1       kristaps 1565:
                   1566:        return(0);
                   1567: }
                   1568:
                   1569:
                   1570: /* ARGSUSED */
                   1571: static int
                   1572: termp_fa_pre(DECL_ARGS)
                   1573: {
1.86      kristaps 1574:        const struct mdoc_node  *nn;
1.1       kristaps 1575:
1.86      kristaps 1576:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1577:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1578:                return(1);
                   1579:        }
                   1580:
1.86      kristaps 1581:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1582:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1583:                term_word(p, nn->string);
1.102     kristaps 1584:                term_fontpop(p);
                   1585:
1.222     kristaps 1586:                if (nn->next) {
                   1587:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1588:                        term_word(p, ",");
1.222     kristaps 1589:                }
1.1       kristaps 1590:        }
                   1591:
1.222     kristaps 1592:        if (n->child && n->next && n->next->tok == MDOC_Fa) {
                   1593:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1594:                term_word(p, ",");
1.222     kristaps 1595:        }
1.1       kristaps 1596:
                   1597:        return(0);
                   1598: }
                   1599:
                   1600:
                   1601: /* ARGSUSED */
                   1602: static int
                   1603: termp_bd_pre(DECL_ARGS)
                   1604: {
1.179     kristaps 1605:        size_t                   tabwidth, rm, rmax;
1.244     schwarze 1606:        struct mdoc_node        *nn;
1.1       kristaps 1607:
1.86      kristaps 1608:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1609:                print_bvspace(p, n, n);
1.54      kristaps 1610:                return(1);
1.116     kristaps 1611:        } else if (MDOC_HEAD == n->type)
                   1612:                return(0);
1.1       kristaps 1613:
1.202     kristaps 1614:        if (n->norm->Bd.offs)
                   1615:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1616:
                   1617:        /*
                   1618:         * If -ragged or -filled are specified, the block does nothing
                   1619:         * but change the indentation.  If -unfilled or -literal are
                   1620:         * specified, text is printed exactly as entered in the display:
                   1621:         * for macro lines, a newline is appended to the line.  Blank
                   1622:         * lines are allowed.
                   1623:         */
1.60      kristaps 1624:
1.202     kristaps 1625:        if (DISP_literal != n->norm->Bd.type &&
                   1626:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1627:                return(1);
                   1628:
1.129     schwarze 1629:        tabwidth = p->tabwidth;
1.208     kristaps 1630:        if (DISP_literal == n->norm->Bd.type)
                   1631:                p->tabwidth = term_len(p, 8);
                   1632:
1.119     kristaps 1633:        rm = p->rmargin;
                   1634:        rmax = p->maxrmargin;
1.120     kristaps 1635:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1636:
1.86      kristaps 1637:        for (nn = n->child; nn; nn = nn->next) {
1.245     schwarze 1638:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1639:                /*
                   1640:                 * If the printed node flushes its own line, then we
                   1641:                 * needn't do it here as well.  This is hacky, but the
                   1642:                 * notion of selective eoln whitespace is pretty dumb
                   1643:                 * anyway, so don't sweat it.
                   1644:                 */
                   1645:                switch (nn->tok) {
1.193     kristaps 1646:                case (MDOC_Sm):
                   1647:                        /* FALLTHROUGH */
1.190     kristaps 1648:                case (MDOC_br):
                   1649:                        /* FALLTHROUGH */
                   1650:                case (MDOC_sp):
                   1651:                        /* FALLTHROUGH */
                   1652:                case (MDOC_Bl):
1.196     kristaps 1653:                        /* FALLTHROUGH */
                   1654:                case (MDOC_D1):
                   1655:                        /* FALLTHROUGH */
                   1656:                case (MDOC_Dl):
1.190     kristaps 1657:                        /* FALLTHROUGH */
                   1658:                case (MDOC_Lp):
                   1659:                        /* FALLTHROUGH */
                   1660:                case (MDOC_Pp):
                   1661:                        continue;
                   1662:                default:
                   1663:                        break;
                   1664:                }
1.180     schwarze 1665:                if (nn->next && nn->next->line == nn->line)
                   1666:                        continue;
                   1667:                term_flushln(p);
                   1668:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1669:        }
1.147     kristaps 1670:
1.129     schwarze 1671:        p->tabwidth = tabwidth;
1.119     kristaps 1672:        p->rmargin = rm;
                   1673:        p->maxrmargin = rmax;
1.1       kristaps 1674:        return(0);
                   1675: }
                   1676:
                   1677:
                   1678: /* ARGSUSED */
                   1679: static void
                   1680: termp_bd_post(DECL_ARGS)
                   1681: {
1.119     kristaps 1682:        size_t           rm, rmax;
1.1       kristaps 1683:
1.86      kristaps 1684:        if (MDOC_BODY != n->type)
1.1       kristaps 1685:                return;
1.118     kristaps 1686:
1.119     kristaps 1687:        rm = p->rmargin;
                   1688:        rmax = p->maxrmargin;
1.118     kristaps 1689:
1.202     kristaps 1690:        if (DISP_literal == n->norm->Bd.type ||
                   1691:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1692:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1693:
1.60      kristaps 1694:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1695:        term_newln(p);
1.118     kristaps 1696:
1.119     kristaps 1697:        p->rmargin = rm;
                   1698:        p->maxrmargin = rmax;
1.1       kristaps 1699: }
                   1700:
                   1701:
                   1702: /* ARGSUSED */
1.211     kristaps 1703: static int
                   1704: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1705: {
                   1706:
1.211     kristaps 1707:        if (NULL != (n = n->child)) {
                   1708:                term_word(p, n->string);
                   1709:                p->flags |= TERMP_NOSPACE;
                   1710:                term_word(p, "BSD");
                   1711:        } else {
                   1712:                term_word(p, "BSD");
                   1713:                return(0);
                   1714:        }
                   1715:
                   1716:        if (NULL != (n = n->next)) {
                   1717:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1718:                term_word(p, "-");
1.1       kristaps 1719:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1720:                term_word(p, n->string);
1.211     kristaps 1721:        }
                   1722:
                   1723:        return(0);
1.1       kristaps 1724: }
                   1725:
                   1726:
                   1727: /* ARGSUSED */
                   1728: static int
1.26      kristaps 1729: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1730: {
1.26      kristaps 1731:        const char      *pp;
1.218     schwarze 1732:        int              flags;
1.1       kristaps 1733:
1.26      kristaps 1734:        pp = NULL;
1.86      kristaps 1735:        switch (n->tok) {
1.26      kristaps 1736:        case (MDOC_Bsx):
1.194     schwarze 1737:                pp = "BSD/OS";
1.26      kristaps 1738:                break;
                   1739:        case (MDOC_Dx):
1.100     kristaps 1740:                pp = "DragonFly";
1.26      kristaps 1741:                break;
                   1742:        case (MDOC_Fx):
                   1743:                pp = "FreeBSD";
                   1744:                break;
                   1745:        case (MDOC_Nx):
                   1746:                pp = "NetBSD";
                   1747:                break;
                   1748:        case (MDOC_Ox):
                   1749:                pp = "OpenBSD";
                   1750:                break;
                   1751:        case (MDOC_Ux):
                   1752:                pp = "UNIX";
                   1753:                break;
                   1754:        default:
1.246     schwarze 1755:                abort();
                   1756:                /* NOTREACHED */
1.26      kristaps 1757:        }
1.1       kristaps 1758:
1.26      kristaps 1759:        term_word(p, pp);
1.214     kristaps 1760:        if (n->child) {
1.218     schwarze 1761:                flags = p->flags;
1.214     kristaps 1762:                p->flags |= TERMP_KEEP;
                   1763:                term_word(p, n->child->string);
1.218     schwarze 1764:                p->flags = flags;
1.214     kristaps 1765:        }
                   1766:        return(0);
1.1       kristaps 1767: }
                   1768:
                   1769:
                   1770: /* ARGSUSED */
                   1771: static int
1.192     schwarze 1772: termp_igndelim_pre(DECL_ARGS)
1.1       kristaps 1773: {
                   1774:
                   1775:        p->flags |= TERMP_IGNDELIM;
                   1776:        return(1);
                   1777: }
                   1778:
                   1779:
                   1780: /* ARGSUSED */
                   1781: static void
                   1782: termp_pf_post(DECL_ARGS)
                   1783: {
                   1784:
                   1785:        p->flags |= TERMP_NOSPACE;
                   1786: }
                   1787:
                   1788:
                   1789: /* ARGSUSED */
                   1790: static int
                   1791: termp_ss_pre(DECL_ARGS)
                   1792: {
                   1793:
1.86      kristaps 1794:        switch (n->type) {
1.1       kristaps 1795:        case (MDOC_BLOCK):
                   1796:                term_newln(p);
1.86      kristaps 1797:                if (n->prev)
1.1       kristaps 1798:                        term_vspace(p);
                   1799:                break;
                   1800:        case (MDOC_HEAD):
1.102     kristaps 1801:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1802:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1803:                break;
                   1804:        default:
                   1805:                break;
                   1806:        }
                   1807:
                   1808:        return(1);
                   1809: }
                   1810:
                   1811:
                   1812: /* ARGSUSED */
                   1813: static void
                   1814: termp_ss_post(DECL_ARGS)
                   1815: {
                   1816:
1.86      kristaps 1817:        if (MDOC_HEAD == n->type)
1.1       kristaps 1818:                term_newln(p);
                   1819: }
                   1820:
                   1821:
                   1822: /* ARGSUSED */
                   1823: static int
                   1824: termp_cd_pre(DECL_ARGS)
                   1825: {
                   1826:
1.143     kristaps 1827:        synopsis_pre(p, n);
1.102     kristaps 1828:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1829:        return(1);
                   1830: }
                   1831:
                   1832:
                   1833: /* ARGSUSED */
                   1834: static int
                   1835: termp_in_pre(DECL_ARGS)
                   1836: {
1.142     schwarze 1837:
1.143     kristaps 1838:        synopsis_pre(p, n);
1.1       kristaps 1839:
1.160     kristaps 1840:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1841:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1842:                term_word(p, "#include");
1.138     kristaps 1843:                term_word(p, "<");
                   1844:        } else {
                   1845:                term_word(p, "<");
                   1846:                term_fontpush(p, TERMFONT_UNDER);
                   1847:        }
1.22      kristaps 1848:
1.1       kristaps 1849:        p->flags |= TERMP_NOSPACE;
                   1850:        return(1);
                   1851: }
                   1852:
                   1853:
                   1854: /* ARGSUSED */
                   1855: static void
                   1856: termp_in_post(DECL_ARGS)
                   1857: {
                   1858:
1.160     kristaps 1859:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1860:                term_fontpush(p, TERMFONT_BOLD);
                   1861:
1.79      kristaps 1862:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1863:        term_word(p, ">");
                   1864:
1.160     kristaps 1865:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1866:                term_fontpop(p);
1.1       kristaps 1867: }
                   1868:
                   1869:
                   1870: /* ARGSUSED */
                   1871: static int
1.45      kristaps 1872: termp_sp_pre(DECL_ARGS)
                   1873: {
1.91      kristaps 1874:        size_t           i, len;
1.45      kristaps 1875:
1.86      kristaps 1876:        switch (n->tok) {
1.76      kristaps 1877:        case (MDOC_sp):
1.157     kristaps 1878:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1879:                break;
                   1880:        case (MDOC_br):
                   1881:                len = 0;
                   1882:                break;
                   1883:        default:
                   1884:                len = 1;
                   1885:                break;
1.45      kristaps 1886:        }
                   1887:
                   1888:        if (0 == len)
                   1889:                term_newln(p);
                   1890:        for (i = 0; i < len; i++)
                   1891:                term_vspace(p);
                   1892:
                   1893:        return(0);
                   1894: }
                   1895:
                   1896:
1.189     kristaps 1897: /* ARGSUSED */
1.45      kristaps 1898: static int
1.188     kristaps 1899: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1900: {
                   1901:
1.203     kristaps 1902:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1903:                return(1);
                   1904:
1.188     kristaps 1905:        switch (n->tok) {
                   1906:        case (MDOC_Ao):
                   1907:                /* FALLTHROUGH */
                   1908:        case (MDOC_Aq):
                   1909:                term_word(p, "<");
                   1910:                break;
                   1911:        case (MDOC_Bro):
                   1912:                /* FALLTHROUGH */
                   1913:        case (MDOC_Brq):
                   1914:                term_word(p, "{");
                   1915:                break;
                   1916:        case (MDOC_Oo):
                   1917:                /* FALLTHROUGH */
                   1918:        case (MDOC_Op):
                   1919:                /* FALLTHROUGH */
                   1920:        case (MDOC_Bo):
                   1921:                /* FALLTHROUGH */
                   1922:        case (MDOC_Bq):
                   1923:                term_word(p, "[");
                   1924:                break;
                   1925:        case (MDOC_Do):
                   1926:                /* FALLTHROUGH */
                   1927:        case (MDOC_Dq):
1.249   ! schwarze 1928:                term_word(p, "\\(lq");
1.188     kristaps 1929:                break;
1.237     schwarze 1930:        case (MDOC_Eo):
                   1931:                break;
1.188     kristaps 1932:        case (MDOC_Po):
                   1933:                /* FALLTHROUGH */
                   1934:        case (MDOC_Pq):
                   1935:                term_word(p, "(");
                   1936:                break;
1.205     kristaps 1937:        case (MDOC__T):
                   1938:                /* FALLTHROUGH */
1.188     kristaps 1939:        case (MDOC_Qo):
                   1940:                /* FALLTHROUGH */
                   1941:        case (MDOC_Qq):
                   1942:                term_word(p, "\"");
                   1943:                break;
                   1944:        case (MDOC_Ql):
                   1945:                /* FALLTHROUGH */
                   1946:        case (MDOC_So):
                   1947:                /* FALLTHROUGH */
                   1948:        case (MDOC_Sq):
1.249   ! schwarze 1949:                term_word(p, "\\(oq");
1.188     kristaps 1950:                break;
                   1951:        default:
                   1952:                abort();
                   1953:                /* NOTREACHED */
                   1954:        }
1.1       kristaps 1955:
                   1956:        p->flags |= TERMP_NOSPACE;
                   1957:        return(1);
                   1958: }
                   1959:
                   1960:
1.189     kristaps 1961: /* ARGSUSED */
1.1       kristaps 1962: static void
1.188     kristaps 1963: termp_quote_post(DECL_ARGS)
1.1       kristaps 1964: {
                   1965:
1.203     kristaps 1966:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1967:                return;
                   1968:
                   1969:        p->flags |= TERMP_NOSPACE;
                   1970:
1.188     kristaps 1971:        switch (n->tok) {
                   1972:        case (MDOC_Ao):
                   1973:                /* FALLTHROUGH */
                   1974:        case (MDOC_Aq):
                   1975:                term_word(p, ">");
                   1976:                break;
                   1977:        case (MDOC_Bro):
                   1978:                /* FALLTHROUGH */
                   1979:        case (MDOC_Brq):
                   1980:                term_word(p, "}");
                   1981:                break;
                   1982:        case (MDOC_Oo):
                   1983:                /* FALLTHROUGH */
                   1984:        case (MDOC_Op):
                   1985:                /* FALLTHROUGH */
                   1986:        case (MDOC_Bo):
                   1987:                /* FALLTHROUGH */
                   1988:        case (MDOC_Bq):
                   1989:                term_word(p, "]");
                   1990:                break;
                   1991:        case (MDOC_Do):
                   1992:                /* FALLTHROUGH */
                   1993:        case (MDOC_Dq):
1.249   ! schwarze 1994:                term_word(p, "\\(rq");
1.237     schwarze 1995:                break;
                   1996:        case (MDOC_Eo):
1.188     kristaps 1997:                break;
                   1998:        case (MDOC_Po):
                   1999:                /* FALLTHROUGH */
                   2000:        case (MDOC_Pq):
                   2001:                term_word(p, ")");
                   2002:                break;
1.205     kristaps 2003:        case (MDOC__T):
                   2004:                /* FALLTHROUGH */
1.188     kristaps 2005:        case (MDOC_Qo):
                   2006:                /* FALLTHROUGH */
                   2007:        case (MDOC_Qq):
                   2008:                term_word(p, "\"");
                   2009:                break;
                   2010:        case (MDOC_Ql):
                   2011:                /* FALLTHROUGH */
                   2012:        case (MDOC_So):
                   2013:                /* FALLTHROUGH */
                   2014:        case (MDOC_Sq):
1.249   ! schwarze 2015:                term_word(p, "\\(cq");
1.188     kristaps 2016:                break;
                   2017:        default:
                   2018:                abort();
                   2019:                /* NOTREACHED */
                   2020:        }
1.1       kristaps 2021: }
                   2022:
                   2023:
                   2024: /* ARGSUSED */
                   2025: static int
                   2026: termp_fo_pre(DECL_ARGS)
                   2027: {
                   2028:
1.141     kristaps 2029:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2030:                synopsis_pre(p, n);
1.141     kristaps 2031:                return(1);
                   2032:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2033:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2034:                term_word(p, "(");
1.222     kristaps 2035:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2036:                return(1);
1.141     kristaps 2037:        }
                   2038:
1.169     kristaps 2039:        if (NULL == n->child)
                   2040:                return(0);
                   2041:
1.141     kristaps 2042:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2043:
1.141     kristaps 2044:        assert(n->child->string);
1.102     kristaps 2045:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2046:        term_word(p, n->child->string);
1.1       kristaps 2047:        return(0);
                   2048: }
                   2049:
                   2050:
                   2051: /* ARGSUSED */
                   2052: static void
                   2053: termp_fo_post(DECL_ARGS)
                   2054: {
                   2055:
1.143     kristaps 2056:        if (MDOC_BODY != n->type)
                   2057:                return;
                   2058:
1.222     kristaps 2059:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2060:        term_word(p, ")");
                   2061:
1.222     kristaps 2062:        if (MDOC_SYNPRETTY & n->flags) {
                   2063:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2064:                term_word(p, ";");
1.222     kristaps 2065:        }
1.1       kristaps 2066: }
                   2067:
                   2068:
                   2069: /* ARGSUSED */
                   2070: static int
                   2071: termp_bf_pre(DECL_ARGS)
                   2072: {
                   2073:
1.86      kristaps 2074:        if (MDOC_HEAD == n->type)
1.1       kristaps 2075:                return(0);
1.244     schwarze 2076:        else if (MDOC_BODY != n->type)
1.1       kristaps 2077:                return(1);
                   2078:
1.202     kristaps 2079:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2080:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2081:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2082:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2083:        else
1.102     kristaps 2084:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2085:
                   2086:        return(1);
                   2087: }
                   2088:
                   2089:
                   2090: /* ARGSUSED */
                   2091: static int
                   2092: termp_sm_pre(DECL_ARGS)
                   2093: {
                   2094:
1.86      kristaps 2095:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2096:        if (0 == strcmp("on", n->child->string)) {
                   2097:                if (p->col)
                   2098:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2099:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2100:        } else
1.1       kristaps 2101:                p->flags |= TERMP_NONOSPACE;
                   2102:
                   2103:        return(0);
                   2104: }
                   2105:
                   2106:
                   2107: /* ARGSUSED */
                   2108: static int
                   2109: termp_ap_pre(DECL_ARGS)
                   2110: {
                   2111:
                   2112:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2113:        term_word(p, "'");
1.1       kristaps 2114:        p->flags |= TERMP_NOSPACE;
                   2115:        return(1);
                   2116: }
                   2117:
                   2118:
                   2119: /* ARGSUSED */
                   2120: static void
                   2121: termp____post(DECL_ARGS)
                   2122: {
1.184     kristaps 2123:
                   2124:        /*
                   2125:         * Handle lists of authors.  In general, print each followed by
                   2126:         * a comma.  Don't print the comma if there are only two
                   2127:         * authors.
                   2128:         */
                   2129:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2130:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2131:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2132:                                return;
1.1       kristaps 2133:
1.95      kristaps 2134:        /* TODO: %U. */
                   2135:
1.187     kristaps 2136:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2137:                return;
                   2138:
1.222     kristaps 2139:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2140:        if (NULL == n->next) {
                   2141:                term_word(p, ".");
                   2142:                p->flags |= TERMP_SENTENCE;
                   2143:        } else
                   2144:                term_word(p, ",");
1.1       kristaps 2145: }
                   2146:
                   2147:
                   2148: /* ARGSUSED */
                   2149: static int
1.102     kristaps 2150: termp_li_pre(DECL_ARGS)
                   2151: {
                   2152:
                   2153:        term_fontpush(p, TERMFONT_NONE);
                   2154:        return(1);
                   2155: }
                   2156:
                   2157:
                   2158: /* ARGSUSED */
                   2159: static int
1.1       kristaps 2160: termp_lk_pre(DECL_ARGS)
                   2161: {
1.240     schwarze 2162:        const struct mdoc_node *link, *descr;
1.1       kristaps 2163:
1.240     schwarze 2164:        if (NULL == (link = n->child))
                   2165:                return(0);
1.181     kristaps 2166:
1.240     schwarze 2167:        if (NULL != (descr = link->next)) {
                   2168:                term_fontpush(p, TERMFONT_UNDER);
                   2169:                while (NULL != descr) {
                   2170:                        term_word(p, descr->string);
                   2171:                        descr = descr->next;
                   2172:                }
                   2173:                p->flags |= TERMP_NOSPACE;
                   2174:                term_word(p, ":");
                   2175:                term_fontpop(p);
                   2176:        }
1.1       kristaps 2177:
1.102     kristaps 2178:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2179:        term_word(p, link->string);
1.102     kristaps 2180:        term_fontpop(p);
1.12      kristaps 2181:
1.1       kristaps 2182:        return(0);
                   2183: }
                   2184:
1.159     schwarze 2185:
                   2186: /* ARGSUSED */
                   2187: static int
                   2188: termp_bk_pre(DECL_ARGS)
                   2189: {
                   2190:
1.161     schwarze 2191:        switch (n->type) {
                   2192:        case (MDOC_BLOCK):
1.166     kristaps 2193:                break;
1.161     schwarze 2194:        case (MDOC_HEAD):
                   2195:                return(0);
                   2196:        case (MDOC_BODY):
1.200     schwarze 2197:                if (n->parent->args || 0 == n->prev->nchild)
                   2198:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2199:                break;
1.161     schwarze 2200:        default:
                   2201:                abort();
1.166     kristaps 2202:                /* NOTREACHED */
1.161     schwarze 2203:        }
1.166     kristaps 2204:
                   2205:        return(1);
1.159     schwarze 2206: }
                   2207:
                   2208:
                   2209: /* ARGSUSED */
                   2210: static void
                   2211: termp_bk_post(DECL_ARGS)
                   2212: {
                   2213:
1.247     schwarze 2214:        if (MDOC_BODY == n->type && ! (MDOC_SYNPRETTY & n->flags))
1.161     schwarze 2215:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2216: }
                   2217:
                   2218: /* ARGSUSED */
                   2219: static void
                   2220: termp__t_post(DECL_ARGS)
                   2221: {
                   2222:
                   2223:        /*
                   2224:         * If we're in an `Rs' and there's a journal present, then quote
                   2225:         * us instead of underlining us (for disambiguation).
                   2226:         */
1.217     schwarze 2227:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2228:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2229:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2230:
1.245     schwarze 2231:        termp____post(p, pair, meta, n);
1.203     kristaps 2232: }
                   2233:
                   2234: /* ARGSUSED */
                   2235: static int
                   2236: termp__t_pre(DECL_ARGS)
                   2237: {
                   2238:
                   2239:        /*
                   2240:         * If we're in an `Rs' and there's a journal present, then quote
                   2241:         * us instead of underlining us (for disambiguation).
                   2242:         */
                   2243:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2244:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2245:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2246:
                   2247:        term_fontpush(p, TERMFONT_UNDER);
                   2248:        return(1);
1.159     schwarze 2249: }
1.1       kristaps 2250:
                   2251: /* ARGSUSED */
                   2252: static int
1.69      kristaps 2253: termp_under_pre(DECL_ARGS)
1.1       kristaps 2254: {
                   2255:
1.102     kristaps 2256:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2257:        return(1);
                   2258: }

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