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Annotation of mandoc/mdoc_term.c, Revision 1.260

1.260   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.259 2014/02/16 12:33:39 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.259     schwarze    4:  * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.256     schwarze    5:  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1       kristaps    6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps   10:  *
1.6       kristaps   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     16:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     17:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   18:  */
1.107     kristaps   19: #ifdef HAVE_CONFIG_H
                     20: #include "config.h"
                     21: #endif
                     22:
1.1       kristaps   23: #include <sys/types.h>
                     24:
                     25: #include <assert.h>
                     26: #include <ctype.h>
1.118     kristaps   27: #include <stdint.h>
1.1       kristaps   28: #include <stdio.h>
                     29: #include <stdlib.h>
                     30: #include <string.h>
                     31:
1.125     kristaps   32: #include "mandoc.h"
1.92      kristaps   33: #include "out.h"
1.1       kristaps   34: #include "term.h"
                     35: #include "mdoc.h"
1.89      kristaps   36: #include "main.h"
1.1       kristaps   37:
                     38: struct termpair {
                     39:        struct termpair  *ppair;
1.31      kristaps   40:        int               count;
1.1       kristaps   41: };
                     42:
1.31      kristaps   43: #define        DECL_ARGS struct termp *p, \
                     44:                  struct termpair *pair, \
1.245     schwarze   45:                  const struct mdoc_meta *meta, \
1.244     schwarze   46:                  struct mdoc_node *n
1.1       kristaps   47:
                     48: struct termact {
                     49:        int     (*pre)(DECL_ARGS);
                     50:        void    (*post)(DECL_ARGS);
                     51: };
                     52:
1.157     kristaps   53: static size_t    a2width(const struct termp *, const char *);
                     54: static size_t    a2height(const struct termp *, const char *);
                     55: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   56:
                     57: static void      print_bvspace(struct termp *,
1.151     kristaps   58:                        const struct mdoc_node *,
1.96      kristaps   59:                        const struct mdoc_node *);
1.102     kristaps   60: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   61: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   62: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   63: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   64: static void      synopsis_pre(struct termp *,
                     65:                        const struct mdoc_node *);
1.96      kristaps   66:
1.31      kristaps   67: static void      termp____post(DECL_ARGS);
1.203     kristaps   68: static void      termp__t_post(DECL_ARGS);
1.61      kristaps   69: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   70: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   71: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   72: static void      termp_bl_post(DECL_ARGS);
1.241     schwarze   73: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_fo_post(DECL_ARGS);
                     75: static void      termp_in_post(DECL_ARGS);
                     76: static void      termp_it_post(DECL_ARGS);
                     77: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   78: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   80: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   81: static void      termp_sh_post(DECL_ARGS);
                     82: static void      termp_ss_post(DECL_ARGS);
                     83:
1.184     kristaps   84: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   85: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   86: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   87: static int       termp_ap_pre(DECL_ARGS);
                     88: static int       termp_bd_pre(DECL_ARGS);
                     89: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   90: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   91: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   92: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   93: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   94: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   95: static int       termp_cd_pre(DECL_ARGS);
                     96: static int       termp_d1_pre(DECL_ARGS);
                     97: static int       termp_ex_pre(DECL_ARGS);
                     98: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   99: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  100: static int       termp_fl_pre(DECL_ARGS);
                    101: static int       termp_fn_pre(DECL_ARGS);
                    102: static int       termp_fo_pre(DECL_ARGS);
                    103: static int       termp_ft_pre(DECL_ARGS);
                    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);
1.260   ! schwarze  107: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  108: static int       termp_lk_pre(DECL_ARGS);
                    109: static int       termp_nd_pre(DECL_ARGS);
                    110: static int       termp_nm_pre(DECL_ARGS);
                    111: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  112: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  113: static int       termp_rs_pre(DECL_ARGS);
                    114: static int       termp_rv_pre(DECL_ARGS);
                    115: static int       termp_sh_pre(DECL_ARGS);
                    116: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  117: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  118: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  119: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  121: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  122: static int       termp_xr_pre(DECL_ARGS);
                    123: static int       termp_xx_pre(DECL_ARGS);
                    124:
1.70      kristaps  125: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  126:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  127:        { NULL, NULL }, /* Dd */
                    128:        { NULL, NULL }, /* Dt */
                    129:        { NULL, NULL }, /* Os */
                    130:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    131:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  132:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  133:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    134:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  135:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    136:        { NULL, NULL }, /* Ed */
1.115     kristaps  137:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  138:        { NULL, NULL }, /* El */
                    139:        { termp_it_pre, termp_it_post }, /* It */
1.178     kristaps  140:        { termp_under_pre, NULL }, /* Ad */
1.61      kristaps  141:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  142:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  143:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  144:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  145:        { NULL, NULL }, /* Dv */
                    146:        { NULL, NULL }, /* Er */
                    147:        { NULL, NULL }, /* Ev */
                    148:        { termp_ex_pre, NULL }, /* Ex */
                    149:        { termp_fa_pre, NULL }, /* Fa */
1.241     schwarze  150:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  151:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  152:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  153:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  154:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  155:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  156:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  157:        { termp_nd_pre, NULL }, /* Nd */
1.164     schwarze  158:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  159:        { termp_quote_pre, termp_quote_post }, /* Op */
1.1       kristaps  160:        { NULL, NULL }, /* Ot */
1.69      kristaps  161:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  162:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  163:        { NULL, NULL }, /* St */
1.69      kristaps  164:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  165:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  166:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  167:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  168:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  169:        { NULL, termp____post }, /* %D */
1.84      kristaps  170:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  171:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  172:        { NULL, termp____post }, /* %N */
                    173:        { NULL, termp____post }, /* %O */
                    174:        { NULL, termp____post }, /* %P */
                    175:        { NULL, termp____post }, /* %R */
1.203     kristaps  176:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  177:        { NULL, termp____post }, /* %V */
                    178:        { NULL, NULL }, /* Ac */
1.188     kristaps  179:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    180:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  181:        { NULL, NULL }, /* At */
1.1       kristaps  182:        { NULL, NULL }, /* Bc */
                    183:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  184:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    185:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  186:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  187:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  188:        { NULL, NULL }, /* Db */
                    189:        { NULL, NULL }, /* Dc */
1.188     kristaps  190:        { termp_quote_pre, termp_quote_post }, /* Do */
                    191:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  192:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  193:        { NULL, NULL }, /* Ef */
1.69      kristaps  194:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  195:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  196:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  197:        { termp_bold_pre, NULL }, /* Ms */
1.254     schwarze  198:        { NULL, NULL }, /* No */
1.1       kristaps  199:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  200:        { termp_xx_pre, NULL }, /* Nx */
                    201:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  202:        { NULL, NULL }, /* Pc */
1.254     schwarze  203:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  204:        { termp_quote_pre, termp_quote_post }, /* Po */
                    205:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  206:        { NULL, NULL }, /* Qc */
1.188     kristaps  207:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    208:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    209:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  210:        { NULL, NULL }, /* Re */
                    211:        { termp_rs_pre, NULL }, /* Rs */
                    212:        { NULL, NULL }, /* Sc */
1.188     kristaps  213:        { termp_quote_pre, termp_quote_post }, /* So */
                    214:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  215:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  216:        { termp_under_pre, NULL }, /* Sx */
                    217:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  218:        { NULL, NULL }, /* Tn */
1.26      kristaps  219:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  220:        { NULL, NULL }, /* Xc */
                    221:        { NULL, NULL }, /* Xo */
                    222:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    223:        { NULL, NULL }, /* Fc */
1.188     kristaps  224:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  225:        { NULL, NULL }, /* Oc */
1.159     schwarze  226:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  227:        { NULL, NULL }, /* Ek */
                    228:        { termp_bt_pre, NULL }, /* Bt */
                    229:        { NULL, NULL }, /* Hf */
                    230:        { NULL, NULL }, /* Fr */
                    231:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  232:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  233:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  234:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  235:        { termp_under_pre, NULL }, /* Mt */
1.188     kristaps  236:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    237:        { termp_quote_pre, termp_quote_post }, /* Bro */
1.1       kristaps  238:        { NULL, NULL }, /* Brc */
1.83      kristaps  239:        { NULL, termp____post }, /* %C */
1.81      kristaps  240:        { NULL, NULL }, /* Es */ /* TODO */
                    241:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  242:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  243:        { NULL, termp____post }, /* %Q */
1.76      kristaps  244:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  245:        { termp_sp_pre, NULL }, /* sp */
1.243     schwarze  246:        { NULL, termp____post }, /* %U */
1.135     kristaps  247:        { NULL, NULL }, /* Ta */
1.260   ! schwarze  248:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  249: };
                    250:
                    251:
1.70      kristaps  252: void
1.89      kristaps  253: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  254: {
1.70      kristaps  255:        const struct mdoc_node  *n;
1.245     schwarze  256:        const struct mdoc_meta  *meta;
1.89      kristaps  257:        struct termp            *p;
                    258:
                    259:        p = (struct termp *)arg;
1.111     kristaps  260:
1.238     schwarze  261:        if (0 == p->defindent)
                    262:                p->defindent = 5;
                    263:
1.111     kristaps  264:        p->overstep = 0;
1.123     joerg     265:        p->maxrmargin = p->defrmargin;
1.157     kristaps  266:        p->tabwidth = term_len(p, 5);
1.89      kristaps  267:
                    268:        if (NULL == p->symtab)
1.230     kristaps  269:                p->symtab = mchars_alloc();
1.70      kristaps  270:
                    271:        n = mdoc_node(mdoc);
1.245     schwarze  272:        meta = mdoc_meta(mdoc);
1.146     schwarze  273:
1.245     schwarze  274:        term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70      kristaps  275:
                    276:        if (n->child)
1.245     schwarze  277:                print_mdoc_nodelist(p, NULL, meta, n->child);
1.144     kristaps  278:
                    279:        term_end(p);
1.1       kristaps  280: }
                    281:
                    282:
1.3       kristaps  283: static void
1.102     kristaps  284: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  285: {
                    286:
1.245     schwarze  287:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  288:        if (n->next)
1.245     schwarze  289:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  290: }
                    291:
                    292:
1.70      kristaps  293: /* ARGSUSED */
1.3       kristaps  294: static void
1.102     kristaps  295: print_mdoc_node(DECL_ARGS)
1.1       kristaps  296: {
1.102     kristaps  297:        int              chld;
1.1       kristaps  298:        struct termpair  npair;
1.30      kristaps  299:        size_t           offset, rmargin;
1.1       kristaps  300:
1.70      kristaps  301:        chld = 1;
1.29      kristaps  302:        offset = p->offset;
1.30      kristaps  303:        rmargin = p->rmargin;
1.244     schwarze  304:        n->prev_font = term_fontq(p);
1.29      kristaps  305:
1.97      kristaps  306:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  307:        npair.ppair = pair;
1.172     kristaps  308:
                    309:        /*
                    310:         * Keeps only work until the end of a line.  If a keep was
                    311:         * invoked in a prior line, revert it to PREKEEP.
                    312:         */
                    313:
1.253     schwarze  314:        if (TERMP_KEEP & p->flags) {
1.252     schwarze  315:                if (n->prev ? (n->prev->lastline != n->line) :
1.248     schwarze  316:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  317:                        p->flags &= ~TERMP_KEEP;
                    318:                        p->flags |= TERMP_PREKEEP;
                    319:                }
                    320:        }
1.197     schwarze  321:
                    322:        /*
1.217     schwarze  323:         * After the keep flags have been set up, we may now
                    324:         * produce output.  Note that some pre-handlers do so.
                    325:         */
                    326:
                    327:        switch (n->type) {
                    328:        case (MDOC_TEXT):
                    329:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    330:                        term_newln(p);
1.222     kristaps  331:                if (MDOC_DELIMC & n->flags)
                    332:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  333:                term_word(p, n->string);
1.222     kristaps  334:                if (MDOC_DELIMO & n->flags)
                    335:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  336:                break;
                    337:        case (MDOC_EQN):
1.233     kristaps  338:                term_eqn(p, n->eqn);
1.217     schwarze  339:                break;
                    340:        case (MDOC_TBL):
                    341:                term_tbl(p, n->span);
                    342:                break;
                    343:        default:
                    344:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    345:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  346:                                (p, &npair, meta, n);
1.217     schwarze  347:                break;
                    348:        }
                    349:
1.86      kristaps  350:        if (chld && n->child)
1.245     schwarze  351:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  352:
1.244     schwarze  353:        term_fontpopq(p,
                    354:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  355:
1.206     kristaps  356:        switch (n->type) {
                    357:        case (MDOC_TEXT):
                    358:                break;
                    359:        case (MDOC_TBL):
1.216     kristaps  360:                break;
                    361:        case (MDOC_EQN):
1.206     kristaps  362:                break;
                    363:        default:
                    364:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    365:                        break;
1.245     schwarze  366:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  367:
                    368:                /*
                    369:                 * Explicit end tokens not only call the post
                    370:                 * handler, but also tell the respective block
                    371:                 * that it must not call the post handler again.
                    372:                 */
1.165     kristaps  373:                if (ENDBODY_NOT != n->end)
1.162     schwarze  374:                        n->pending->flags |= MDOC_ENDED;
                    375:
                    376:                /*
                    377:                 * End of line terminating an implicit block
                    378:                 * while an explicit block is still open.
                    379:                 * Continue the explicit block without spacing.
                    380:                 */
                    381:                if (ENDBODY_NOSPACE == n->end)
                    382:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  383:                break;
1.162     schwarze  384:        }
1.121     kristaps  385:
                    386:        if (MDOC_EOS & n->flags)
                    387:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  388:
1.260   ! schwarze  389:        if (MDOC_ll != n->tok) {
        !           390:                p->offset = offset;
        !           391:                p->rmargin = rmargin;
        !           392:        }
1.1       kristaps  393: }
                    394:
                    395:
1.3       kristaps  396: static void
1.145     kristaps  397: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  398: {
1.245     schwarze  399:        const struct mdoc_meta *meta;
1.144     kristaps  400:
1.245     schwarze  401:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  402:
1.102     kristaps  403:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  404:
1.9       kristaps  405:        /*
                    406:         * Output the footer in new-groff style, that is, three columns
                    407:         * with the middle being the manual date and flanking columns
                    408:         * being the operating system:
                    409:         *
                    410:         * SYSTEM                  DATE                    SYSTEM
                    411:         */
                    412:
1.1       kristaps  413:        term_vspace(p);
                    414:
1.9       kristaps  415:        p->offset = 0;
1.157     kristaps  416:        p->rmargin = (p->maxrmargin -
1.245     schwarze  417:                        term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250     schwarze  418:        p->trailspace = 1;
1.1       kristaps  419:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    420:
1.245     schwarze  421:        term_word(p, meta->os);
1.1       kristaps  422:        term_flushln(p);
                    423:
1.9       kristaps  424:        p->offset = p->rmargin;
1.245     schwarze  425:        p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234     schwarze  426:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  427:
1.245     schwarze  428:        term_word(p, meta->date);
1.9       kristaps  429:        term_flushln(p);
                    430:
1.1       kristaps  431:        p->offset = p->rmargin;
                    432:        p->rmargin = p->maxrmargin;
1.250     schwarze  433:        p->trailspace = 0;
1.1       kristaps  434:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  435:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  436:
1.245     schwarze  437:        term_word(p, meta->os);
1.1       kristaps  438:        term_flushln(p);
                    439:
1.9       kristaps  440:        p->offset = 0;
                    441:        p->rmargin = p->maxrmargin;
                    442:        p->flags = 0;
1.1       kristaps  443: }
                    444:
                    445:
1.3       kristaps  446: static void
1.144     kristaps  447: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  448: {
1.98      kristaps  449:        char            buf[BUFSIZ], title[BUFSIZ];
1.235     schwarze  450:        size_t          buflen, titlen;
1.245     schwarze  451:        const struct mdoc_meta *meta;
1.144     kristaps  452:
1.245     schwarze  453:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  454:
                    455:        /*
                    456:         * The header is strange.  It has three components, which are
                    457:         * really two with the first duplicated.  It goes like this:
                    458:         *
                    459:         * IDENTIFIER              TITLE                   IDENTIFIER
                    460:         *
                    461:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    462:         * (if given, or "unknown" if not) followed by the manual page
                    463:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    464:         * string depending on the manual volume.  If not specified, it
                    465:         * switches on the manual section.
                    466:         */
                    467:
1.235     schwarze  468:        p->offset = 0;
                    469:        p->rmargin = p->maxrmargin;
                    470:
1.245     schwarze  471:        assert(meta->vol);
                    472:        strlcpy(buf, meta->vol, BUFSIZ);
1.235     schwarze  473:        buflen = term_strlen(p, buf);
1.1       kristaps  474:
1.245     schwarze  475:        if (meta->arch) {
1.98      kristaps  476:                strlcat(buf, " (", BUFSIZ);
1.245     schwarze  477:                strlcat(buf, meta->arch, BUFSIZ);
1.98      kristaps  478:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  479:        }
                    480:
1.245     schwarze  481:        snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.235     schwarze  482:        titlen = term_strlen(p, title);
1.1       kristaps  483:
1.235     schwarze  484:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  485:        p->trailspace = 1;
1.1       kristaps  486:        p->offset = 0;
1.235     schwarze  487:        p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
                    488:            (p->maxrmargin -
                    489:             term_strlen(p, buf) + term_len(p, 1)) / 2 :
                    490:            p->maxrmargin - buflen;
1.1       kristaps  491:
                    492:        term_word(p, title);
                    493:        term_flushln(p);
                    494:
1.235     schwarze  495:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  496:        p->offset = p->rmargin;
1.235     schwarze  497:        p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
                    498:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  499:
                    500:        term_word(p, buf);
                    501:        term_flushln(p);
                    502:
                    503:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  504:        p->trailspace = 0;
1.235     schwarze  505:        if (p->rmargin + titlen <= p->maxrmargin) {
                    506:                p->flags |= TERMP_NOSPACE;
                    507:                p->offset = p->rmargin;
                    508:                p->rmargin = p->maxrmargin;
                    509:                term_word(p, title);
                    510:                term_flushln(p);
                    511:        }
1.1       kristaps  512:
1.235     schwarze  513:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  514:        p->offset = 0;
1.1       kristaps  515:        p->rmargin = p->maxrmargin;
                    516: }
                    517:
                    518:
                    519: static size_t
1.157     kristaps  520: a2height(const struct termp *p, const char *v)
1.1       kristaps  521: {
1.92      kristaps  522:        struct roffsu    su;
1.91      kristaps  523:
1.231     kristaps  524:
1.157     kristaps  525:        assert(v);
                    526:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  527:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  528:
1.157     kristaps  529:        return(term_vspan(p, &su));
1.91      kristaps  530: }
1.1       kristaps  531:
1.40      kristaps  532:
1.91      kristaps  533: static size_t
1.157     kristaps  534: a2width(const struct termp *p, const char *v)
1.91      kristaps  535: {
1.92      kristaps  536:        struct roffsu    su;
1.1       kristaps  537:
1.154     kristaps  538:        assert(v);
                    539:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  540:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  541:
1.157     kristaps  542:        return(term_hspan(p, &su));
1.1       kristaps  543: }
                    544:
                    545:
                    546: static size_t
1.157     kristaps  547: a2offs(const struct termp *p, const char *v)
1.1       kristaps  548: {
1.92      kristaps  549:        struct roffsu    su;
1.1       kristaps  550:
1.148     kristaps  551:        if ('\0' == *v)
1.91      kristaps  552:                return(0);
1.148     kristaps  553:        else if (0 == strcmp(v, "left"))
1.19      kristaps  554:                return(0);
1.148     kristaps  555:        else if (0 == strcmp(v, "indent"))
1.238     schwarze  556:                return(term_len(p, p->defindent + 1));
1.148     kristaps  557:        else if (0 == strcmp(v, "indent-two"))
1.238     schwarze  558:                return(term_len(p, (p->defindent + 1) * 2));
1.148     kristaps  559:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  560:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  561:
1.157     kristaps  562:        return(term_hspan(p, &su));
1.1       kristaps  563: }
                    564:
                    565:
1.108     kristaps  566: /*
                    567:  * Determine how much space to print out before block elements of `It'
                    568:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    569:  * too.
                    570:  */
1.54      kristaps  571: static void
1.151     kristaps  572: print_bvspace(struct termp *p,
                    573:                const struct mdoc_node *bl,
                    574:                const struct mdoc_node *n)
1.1       kristaps  575: {
1.86      kristaps  576:        const struct mdoc_node  *nn;
1.236     schwarze  577:
                    578:        assert(n);
1.1       kristaps  579:
                    580:        term_newln(p);
1.150     kristaps  581:
1.202     kristaps  582:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  583:                return;
1.202     kristaps  584:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  585:                return;
                    586:
1.85      kristaps  587:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  588:
1.86      kristaps  589:        for (nn = n; nn; nn = nn->parent) {
                    590:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  591:                        continue;
1.86      kristaps  592:                if (MDOC_Ss == nn->tok)
1.54      kristaps  593:                        return;
1.86      kristaps  594:                if (MDOC_Sh == nn->tok)
1.54      kristaps  595:                        return;
1.86      kristaps  596:                if (NULL == nn->prev)
1.1       kristaps  597:                        continue;
                    598:                break;
                    599:        }
                    600:
1.85      kristaps  601:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  602:
1.202     kristaps  603:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  604:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  605:                        return;
                    606:
1.85      kristaps  607:        /* A `-diag' without body does not vspace. */
                    608:
1.202     kristaps  609:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  610:                if (n->prev && MDOC_It == n->prev->tok) {
                    611:                        assert(n->prev->body);
                    612:                        if (NULL == n->prev->body->child)
1.55      kristaps  613:                                return;
                    614:                }
                    615:
1.54      kristaps  616:        term_vspace(p);
1.260   ! schwarze  617: }
        !           618:
        !           619:
        !           620: /* ARGSUSED */
        !           621: static int
        !           622: termp_ll_pre(DECL_ARGS)
        !           623: {
        !           624:
        !           625:        (*p->setwidth)(p, n->nchild ? a2width(p, n->child->string) : 0);
        !           626:        return(0);
1.1       kristaps  627: }
                    628:
                    629:
                    630: /* ARGSUSED */
                    631: static int
                    632: termp_it_pre(DECL_ARGS)
                    633: {
1.86      kristaps  634:        const struct mdoc_node *bl, *nn;
1.1       kristaps  635:        char                    buf[7];
1.170     kristaps  636:        int                     i;
1.108     kristaps  637:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  638:        enum mdoc_list          type;
1.1       kristaps  639:
1.86      kristaps  640:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  641:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  642:                return(1);
                    643:        }
1.1       kristaps  644:
1.86      kristaps  645:        bl = n->parent->parent->parent;
1.202     kristaps  646:        type = bl->norm->Bl.type;
1.1       kristaps  647:
1.108     kristaps  648:        /*
                    649:         * First calculate width and offset.  This is pretty easy unless
                    650:         * we're a -column list, in which case all prior columns must
                    651:         * be accounted for.
                    652:         */
                    653:
                    654:        width = offset = 0;
                    655:
1.202     kristaps  656:        if (bl->norm->Bl.offs)
                    657:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  658:
1.1       kristaps  659:        switch (type) {
1.126     kristaps  660:        case (LIST_column):
1.134     kristaps  661:                if (MDOC_HEAD == n->type)
1.1       kristaps  662:                        break;
1.155     kristaps  663:
1.105     kristaps  664:                /*
1.108     kristaps  665:                 * Imitate groff's column handling:
                    666:                 * - For each earlier column, add its width.
                    667:                 * - For less than 5 columns, add four more blanks per
                    668:                 *   column.
                    669:                 * - For exactly 5 columns, add three more blank per
                    670:                 *   column.
                    671:                 * - For more than 5 columns, add only one column.
1.105     kristaps  672:                 */
1.202     kristaps  673:                ncols = bl->norm->Bl.ncols;
1.170     kristaps  674:
1.108     kristaps  675:                /* LINTED */
1.157     kristaps  676:                dcol = ncols < 5 ? term_len(p, 4) :
                    677:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  678:
1.134     kristaps  679:                /*
                    680:                 * Calculate the offset by applying all prior MDOC_BODY,
                    681:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    682:                 */
                    683:
1.108     kristaps  684:                for (i = 0, nn = n->prev;
1.134     kristaps  685:                                nn->prev && i < (int)ncols;
1.108     kristaps  686:                                nn = nn->prev, i++)
                    687:                        offset += dcol + a2width
1.202     kristaps  688:                                (p, bl->norm->Bl.cols[i]);
1.105     kristaps  689:
                    690:                /*
1.108     kristaps  691:                 * When exceeding the declared number of columns, leave
                    692:                 * the remaining widths at 0.  This will later be
                    693:                 * adjusted to the default width of 10, or, for the last
                    694:                 * column, stretched to the right margin.
1.58      kristaps  695:                 */
1.108     kristaps  696:                if (i >= (int)ncols)
                    697:                        break;
1.58      kristaps  698:
1.105     kristaps  699:                /*
1.108     kristaps  700:                 * Use the declared column widths, extended as explained
                    701:                 * in the preceding paragraph.
1.105     kristaps  702:                 */
1.202     kristaps  703:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  704:                break;
                    705:        default:
1.202     kristaps  706:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  707:                        break;
                    708:
                    709:                /*
                    710:                 * Note: buffer the width by 2, which is groff's magic
                    711:                 * number for buffering single arguments.  See the above
                    712:                 * handling for column for how this changes.
                    713:                 */
1.202     kristaps  714:                assert(bl->norm->Bl.width);
                    715:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  716:                break;
                    717:        }
                    718:
                    719:        /*
                    720:         * List-type can override the width in the case of fixed-head
                    721:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  722:         * offset.
1.1       kristaps  723:         */
                    724:
                    725:        switch (type) {
1.126     kristaps  726:        case (LIST_bullet):
1.1       kristaps  727:                /* FALLTHROUGH */
1.126     kristaps  728:        case (LIST_dash):
1.1       kristaps  729:                /* FALLTHROUGH */
1.126     kristaps  730:        case (LIST_hyphen):
1.242     schwarze  731:                /* FALLTHROUGH */
1.126     kristaps  732:        case (LIST_enum):
1.242     schwarze  733:                if (width < term_len(p, 2))
                    734:                        width = term_len(p, 2);
1.17      kristaps  735:                break;
1.126     kristaps  736:        case (LIST_hang):
1.39      kristaps  737:                if (0 == width)
1.157     kristaps  738:                        width = term_len(p, 8);
1.39      kristaps  739:                break;
1.126     kristaps  740:        case (LIST_column):
1.49      kristaps  741:                /* FALLTHROUGH */
1.126     kristaps  742:        case (LIST_tag):
1.1       kristaps  743:                if (0 == width)
1.157     kristaps  744:                        width = term_len(p, 10);
1.1       kristaps  745:                break;
                    746:        default:
                    747:                break;
                    748:        }
                    749:
                    750:        /*
1.17      kristaps  751:         * Whitespace control.  Inset bodies need an initial space,
                    752:         * while diagonal bodies need two.
1.1       kristaps  753:         */
                    754:
1.51      kristaps  755:        p->flags |= TERMP_NOSPACE;
                    756:
1.1       kristaps  757:        switch (type) {
1.126     kristaps  758:        case (LIST_diag):
1.86      kristaps  759:                if (MDOC_BODY == n->type)
1.62      kristaps  760:                        term_word(p, "\\ \\ ");
1.51      kristaps  761:                break;
1.126     kristaps  762:        case (LIST_inset):
1.86      kristaps  763:                if (MDOC_BODY == n->type)
1.51      kristaps  764:                        term_word(p, "\\ ");
1.1       kristaps  765:                break;
                    766:        default:
                    767:                break;
                    768:        }
                    769:
1.51      kristaps  770:        p->flags |= TERMP_NOSPACE;
                    771:
1.1       kristaps  772:        switch (type) {
1.126     kristaps  773:        case (LIST_diag):
1.86      kristaps  774:                if (MDOC_HEAD == n->type)
1.102     kristaps  775:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  776:                break;
                    777:        default:
                    778:                break;
                    779:        }
                    780:
                    781:        /*
1.109     kristaps  782:         * Pad and break control.  This is the tricky part.  These flags
                    783:         * are documented in term_flushln() in term.c.  Note that we're
                    784:         * going to unset all of these flags in termp_it_post() when we
                    785:         * exit.
1.1       kristaps  786:         */
                    787:
                    788:        switch (type) {
1.242     schwarze  789:        case (LIST_enum):
                    790:                /*
                    791:                 * Weird special case.
                    792:                 * Very narrow enum lists actually hang.
                    793:                 */
                    794:                if (width == term_len(p, 2))
                    795:                        p->flags |= TERMP_HANG;
                    796:                /* FALLTHROUGH */
1.126     kristaps  797:        case (LIST_bullet):
1.1       kristaps  798:                /* FALLTHROUGH */
1.126     kristaps  799:        case (LIST_dash):
1.1       kristaps  800:                /* FALLTHROUGH */
1.126     kristaps  801:        case (LIST_hyphen):
1.250     schwarze  802:                if (MDOC_HEAD != n->type)
                    803:                        break;
                    804:                p->flags |= TERMP_NOBREAK;
                    805:                p->trailspace = 1;
1.39      kristaps  806:                break;
1.126     kristaps  807:        case (LIST_hang):
1.250     schwarze  808:                if (MDOC_HEAD != n->type)
1.59      kristaps  809:                        break;
                    810:
                    811:                /*
                    812:                 * This is ugly.  If `-hang' is specified and the body
                    813:                 * is a `Bl' or `Bd', then we want basically to nullify
                    814:                 * the "overstep" effect in term_flushln() and treat
                    815:                 * this as a `-ohang' list instead.
                    816:                 */
1.86      kristaps  817:                if (n->next->child &&
                    818:                                (MDOC_Bl == n->next->child->tok ||
1.234     schwarze  819:                                 MDOC_Bd == n->next->child->tok))
1.250     schwarze  820:                        break;
                    821:
                    822:                p->flags |= TERMP_NOBREAK | TERMP_HANG;
                    823:                p->trailspace = 1;
1.39      kristaps  824:                break;
1.126     kristaps  825:        case (LIST_tag):
1.86      kristaps  826:                if (MDOC_HEAD != n->type)
1.39      kristaps  827:                        break;
1.250     schwarze  828:
                    829:                p->flags |= TERMP_NOBREAK;
                    830:                p->trailspace = 2;
                    831:
1.86      kristaps  832:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  833:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  834:                break;
1.126     kristaps  835:        case (LIST_column):
1.134     kristaps  836:                if (MDOC_HEAD == n->type)
                    837:                        break;
                    838:
1.250     schwarze  839:                if (NULL == n->next) {
1.134     kristaps  840:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  841:                        p->trailspace = 0;
                    842:                } else {
1.134     kristaps  843:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  844:                        p->trailspace = 1;
                    845:                }
1.134     kristaps  846:
1.1       kristaps  847:                break;
1.126     kristaps  848:        case (LIST_diag):
1.250     schwarze  849:                if (MDOC_HEAD != n->type)
                    850:                        break;
                    851:                p->flags |= TERMP_NOBREAK;
                    852:                p->trailspace = 1;
1.1       kristaps  853:                break;
                    854:        default:
                    855:                break;
                    856:        }
                    857:
                    858:        /*
                    859:         * Margin control.  Set-head-width lists have their right
                    860:         * margins shortened.  The body for these lists has the offset
                    861:         * necessarily lengthened.  Everybody gets the offset.
                    862:         */
                    863:
                    864:        p->offset += offset;
                    865:
                    866:        switch (type) {
1.126     kristaps  867:        case (LIST_hang):
1.59      kristaps  868:                /*
                    869:                 * Same stipulation as above, regarding `-hang'.  We
                    870:                 * don't want to recalculate rmargin and offsets when
                    871:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    872:                 */
1.86      kristaps  873:                if (MDOC_HEAD == n->type && n->next->child &&
                    874:                                (MDOC_Bl == n->next->child->tok ||
                    875:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  876:                        break;
                    877:                /* FALLTHROUGH */
1.126     kristaps  878:        case (LIST_bullet):
1.1       kristaps  879:                /* FALLTHROUGH */
1.126     kristaps  880:        case (LIST_dash):
1.1       kristaps  881:                /* FALLTHROUGH */
1.126     kristaps  882:        case (LIST_enum):
1.1       kristaps  883:                /* FALLTHROUGH */
1.126     kristaps  884:        case (LIST_hyphen):
1.1       kristaps  885:                /* FALLTHROUGH */
1.126     kristaps  886:        case (LIST_tag):
1.49      kristaps  887:                assert(width);
1.86      kristaps  888:                if (MDOC_HEAD == n->type)
1.1       kristaps  889:                        p->rmargin = p->offset + width;
1.259     schwarze  890:                else {
1.1       kristaps  891:                        p->offset += width;
1.259     schwarze  892:                        if (p->rmargin < p->offset)
                    893:                                p->rmargin = p->offset;
                    894:                }
1.1       kristaps  895:                break;
1.126     kristaps  896:        case (LIST_column):
1.49      kristaps  897:                assert(width);
1.1       kristaps  898:                p->rmargin = p->offset + width;
1.50      kristaps  899:                /*
                    900:                 * XXX - this behaviour is not documented: the
                    901:                 * right-most column is filled to the right margin.
                    902:                 */
1.134     kristaps  903:                if (MDOC_HEAD == n->type)
                    904:                        break;
                    905:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  906:                        p->rmargin = p->maxrmargin;
1.1       kristaps  907:                break;
                    908:        default:
                    909:                break;
                    910:        }
                    911:
                    912:        /*
                    913:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  914:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  915:         */
                    916:
1.86      kristaps  917:        if (MDOC_HEAD == n->type)
1.1       kristaps  918:                switch (type) {
1.126     kristaps  919:                case (LIST_bullet):
1.102     kristaps  920:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  921:                        term_word(p, "\\[bu]");
1.102     kristaps  922:                        term_fontpop(p);
1.1       kristaps  923:                        break;
1.126     kristaps  924:                case (LIST_dash):
1.1       kristaps  925:                        /* FALLTHROUGH */
1.126     kristaps  926:                case (LIST_hyphen):
1.102     kristaps  927:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  928:                        term_word(p, "\\(hy");
1.102     kristaps  929:                        term_fontpop(p);
1.1       kristaps  930:                        break;
1.126     kristaps  931:                case (LIST_enum):
1.1       kristaps  932:                        (pair->ppair->ppair->count)++;
1.109     kristaps  933:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  934:                                        pair->ppair->ppair->count);
                    935:                        term_word(p, buf);
                    936:                        break;
                    937:                default:
                    938:                        break;
                    939:                }
                    940:
                    941:        /*
                    942:         * If we're not going to process our children, indicate so here.
                    943:         */
                    944:
                    945:        switch (type) {
1.126     kristaps  946:        case (LIST_bullet):
1.1       kristaps  947:                /* FALLTHROUGH */
1.126     kristaps  948:        case (LIST_item):
1.1       kristaps  949:                /* FALLTHROUGH */
1.126     kristaps  950:        case (LIST_dash):
1.1       kristaps  951:                /* FALLTHROUGH */
1.126     kristaps  952:        case (LIST_hyphen):
1.1       kristaps  953:                /* FALLTHROUGH */
1.126     kristaps  954:        case (LIST_enum):
1.86      kristaps  955:                if (MDOC_HEAD == n->type)
1.1       kristaps  956:                        return(0);
                    957:                break;
1.126     kristaps  958:        case (LIST_column):
1.134     kristaps  959:                if (MDOC_HEAD == n->type)
1.1       kristaps  960:                        return(0);
                    961:                break;
                    962:        default:
                    963:                break;
                    964:        }
                    965:
                    966:        return(1);
                    967: }
                    968:
                    969:
                    970: /* ARGSUSED */
                    971: static void
                    972: termp_it_post(DECL_ARGS)
                    973: {
1.126     kristaps  974:        enum mdoc_list     type;
1.1       kristaps  975:
1.109     kristaps  976:        if (MDOC_BLOCK == n->type)
1.1       kristaps  977:                return;
                    978:
1.202     kristaps  979:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  980:
                    981:        switch (type) {
1.126     kristaps  982:        case (LIST_item):
1.1       kristaps  983:                /* FALLTHROUGH */
1.126     kristaps  984:        case (LIST_diag):
1.53      kristaps  985:                /* FALLTHROUGH */
1.126     kristaps  986:        case (LIST_inset):
1.86      kristaps  987:                if (MDOC_BODY == n->type)
1.130     schwarze  988:                        term_newln(p);
1.1       kristaps  989:                break;
1.126     kristaps  990:        case (LIST_column):
1.134     kristaps  991:                if (MDOC_BODY == n->type)
1.1       kristaps  992:                        term_flushln(p);
                    993:                break;
                    994:        default:
1.130     schwarze  995:                term_newln(p);
1.1       kristaps  996:                break;
                    997:        }
                    998:
1.109     kristaps  999:        /*
                   1000:         * Now that our output is flushed, we can reset our tags.  Since
                   1001:         * only `It' sets these flags, we're free to assume that nobody
                   1002:         * has munged them in the meanwhile.
                   1003:         */
                   1004:
                   1005:        p->flags &= ~TERMP_DANGLE;
                   1006:        p->flags &= ~TERMP_NOBREAK;
                   1007:        p->flags &= ~TERMP_HANG;
1.250     schwarze 1008:        p->trailspace = 0;
1.1       kristaps 1009: }
                   1010:
                   1011:
                   1012: /* ARGSUSED */
                   1013: static int
                   1014: termp_nm_pre(DECL_ARGS)
                   1015: {
                   1016:
1.253     schwarze 1017:        if (MDOC_BLOCK == n->type) {
                   1018:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1019:                return(1);
1.253     schwarze 1020:        }
1.164     schwarze 1021:
                   1022:        if (MDOC_BODY == n->type) {
                   1023:                if (NULL == n->child)
                   1024:                        return(0);
1.234     schwarze 1025:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1026:                p->offset += term_len(p, 1) +
1.245     schwarze 1027:                    (NULL == n->prev->child ?
                   1028:                     term_strlen(p, meta->name) :
1.164     schwarze 1029:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1030:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1031:                     term_len(p, 5));
                   1032:                return(1);
                   1033:        }
                   1034:
1.245     schwarze 1035:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1036:                return(0);
1.125     kristaps 1037:
1.177     schwarze 1038:        if (MDOC_HEAD == n->type)
                   1039:                synopsis_pre(p, n->parent);
1.102     kristaps 1040:
1.164     schwarze 1041:        if (MDOC_HEAD == n->type && n->next->child) {
1.185     schwarze 1042:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.250     schwarze 1043:                p->trailspace = 1;
1.185     schwarze 1044:                p->rmargin = p->offset + term_len(p, 1);
                   1045:                if (NULL == n->child) {
1.245     schwarze 1046:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1047:                } else if (MDOC_TEXT == n->child->type) {
                   1048:                        p->rmargin += term_strlen(p, n->child->string);
                   1049:                        if (n->child->next)
                   1050:                                p->flags |= TERMP_HANG;
                   1051:                } else {
                   1052:                        p->rmargin += term_len(p, 5);
                   1053:                        p->flags |= TERMP_HANG;
                   1054:                }
1.164     schwarze 1055:        }
                   1056:
1.102     kristaps 1057:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1058:        if (NULL == n->child)
1.245     schwarze 1059:                term_word(p, meta->name);
1.1       kristaps 1060:        return(1);
                   1061: }
                   1062:
                   1063:
1.164     schwarze 1064: /* ARGSUSED */
                   1065: static void
                   1066: termp_nm_post(DECL_ARGS)
                   1067: {
                   1068:
1.253     schwarze 1069:        if (MDOC_BLOCK == n->type) {
                   1070:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
                   1071:        } else if (MDOC_HEAD == n->type && n->next->child) {
1.164     schwarze 1072:                term_flushln(p);
                   1073:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.250     schwarze 1074:                p->trailspace = 0;
1.234     schwarze 1075:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1076:                term_flushln(p);
                   1077: }
                   1078:
                   1079:
1.1       kristaps 1080: /* ARGSUSED */
                   1081: static int
                   1082: termp_fl_pre(DECL_ARGS)
                   1083: {
                   1084:
1.102     kristaps 1085:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1086:        term_word(p, "\\-");
1.103     kristaps 1087:
                   1088:        if (n->child)
1.114     kristaps 1089:                p->flags |= TERMP_NOSPACE;
                   1090:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1091:                p->flags |= TERMP_NOSPACE;
                   1092:
1.1       kristaps 1093:        return(1);
                   1094: }
                   1095:
                   1096:
                   1097: /* ARGSUSED */
                   1098: static int
1.184     kristaps 1099: termp__a_pre(DECL_ARGS)
                   1100: {
                   1101:
                   1102:        if (n->prev && MDOC__A == n->prev->tok)
                   1103:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1104:                        term_word(p, "and");
                   1105:
                   1106:        return(1);
                   1107: }
                   1108:
                   1109:
                   1110: /* ARGSUSED */
                   1111: static int
1.61      kristaps 1112: termp_an_pre(DECL_ARGS)
                   1113: {
                   1114:
1.86      kristaps 1115:        if (NULL == n->child)
1.61      kristaps 1116:                return(1);
                   1117:
                   1118:        /*
1.85      kristaps 1119:         * If not in the AUTHORS section, `An -split' will cause
                   1120:         * newlines to occur before the author name.  If in the AUTHORS
                   1121:         * section, by default, the first `An' invocation is nosplit,
                   1122:         * then all subsequent ones, regardless of whether interspersed
                   1123:         * with other macros/text, are split.  -split, in this case,
                   1124:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1125:         */
                   1126:
1.86      kristaps 1127:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1128:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1129:                        if (TERMP_SPLIT & p->flags)
                   1130:                                term_newln(p);
                   1131:                        return(1);
                   1132:                }
                   1133:                if (TERMP_NOSPLIT & p->flags)
                   1134:                        return(1);
                   1135:                term_newln(p);
                   1136:                return(1);
                   1137:        }
                   1138:
                   1139:        if (TERMP_SPLIT & p->flags)
                   1140:                term_newln(p);
                   1141:
                   1142:        return(1);
                   1143: }
                   1144:
                   1145:
                   1146: /* ARGSUSED */
                   1147: static void
                   1148: termp_an_post(DECL_ARGS)
                   1149: {
                   1150:
1.86      kristaps 1151:        if (n->child) {
                   1152:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1153:                        p->flags |= TERMP_ANPREC;
                   1154:                return;
                   1155:        }
                   1156:
1.202     kristaps 1157:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1158:                p->flags &= ~TERMP_NOSPLIT;
                   1159:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1160:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1161:                p->flags &= ~TERMP_SPLIT;
                   1162:                p->flags |= TERMP_NOSPLIT;
                   1163:        }
                   1164:
                   1165: }
                   1166:
                   1167:
                   1168: /* ARGSUSED */
                   1169: static int
1.1       kristaps 1170: termp_ns_pre(DECL_ARGS)
                   1171: {
                   1172:
1.215     kristaps 1173:        if ( ! (MDOC_LINE & n->flags))
                   1174:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1175:        return(1);
                   1176: }
                   1177:
                   1178:
                   1179: /* ARGSUSED */
                   1180: static int
                   1181: termp_rs_pre(DECL_ARGS)
                   1182: {
                   1183:
1.86      kristaps 1184:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1185:                return(1);
1.86      kristaps 1186:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1187:                term_vspace(p);
                   1188:        return(1);
                   1189: }
                   1190:
                   1191:
                   1192: /* ARGSUSED */
                   1193: static int
                   1194: termp_rv_pre(DECL_ARGS)
                   1195: {
1.223     kristaps 1196:        int              nchild;
1.1       kristaps 1197:
                   1198:        term_newln(p);
                   1199:        term_word(p, "The");
                   1200:
1.223     kristaps 1201:        nchild = n->nchild;
                   1202:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1203:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1204:                term_word(p, n->string);
1.102     kristaps 1205:                term_fontpop(p);
1.224     kristaps 1206:
1.68      kristaps 1207:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1208:                term_word(p, "()");
                   1209:
                   1210:                if (nchild > 2 && n->next) {
                   1211:                        p->flags |= TERMP_NOSPACE;
                   1212:                        term_word(p, ",");
                   1213:                }
                   1214:
                   1215:                if (n->next && NULL == n->next->next)
                   1216:                        term_word(p, "and");
1.68      kristaps 1217:        }
                   1218:
1.223     kristaps 1219:        if (nchild > 1)
1.68      kristaps 1220:                term_word(p, "functions return");
                   1221:        else
                   1222:                term_word(p, "function returns");
1.1       kristaps 1223:
1.68      kristaps 1224:                term_word(p, "the value 0 if successful; otherwise the value "
                   1225:                        "-1 is returned and the global variable");
1.1       kristaps 1226:
1.102     kristaps 1227:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1228:        term_word(p, "errno");
1.102     kristaps 1229:        term_fontpop(p);
1.1       kristaps 1230:
                   1231:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1232:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1233:
1.68      kristaps 1234:        return(0);
1.1       kristaps 1235: }
                   1236:
                   1237:
                   1238: /* ARGSUSED */
                   1239: static int
                   1240: termp_ex_pre(DECL_ARGS)
                   1241: {
1.224     kristaps 1242:        int              nchild;
1.1       kristaps 1243:
1.224     kristaps 1244:        term_newln(p);
1.68      kristaps 1245:        term_word(p, "The");
1.1       kristaps 1246:
1.224     kristaps 1247:        nchild = n->nchild;
                   1248:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1249:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1250:                term_word(p, n->string);
1.102     kristaps 1251:                term_fontpop(p);
1.224     kristaps 1252:
                   1253:                if (nchild > 2 && n->next) {
                   1254:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1255:                        term_word(p, ",");
1.224     kristaps 1256:                }
                   1257:
                   1258:                if (n->next && NULL == n->next->next)
                   1259:                        term_word(p, "and");
1.68      kristaps 1260:        }
                   1261:
1.224     kristaps 1262:        if (nchild > 1)
1.68      kristaps 1263:                term_word(p, "utilities exit");
                   1264:        else
                   1265:                term_word(p, "utility exits");
                   1266:
                   1267:                term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1268:
1.131     kristaps 1269:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1270:        return(0);
1.1       kristaps 1271: }
                   1272:
                   1273:
                   1274: /* ARGSUSED */
                   1275: static int
                   1276: termp_nd_pre(DECL_ARGS)
                   1277: {
1.25      kristaps 1278:
1.86      kristaps 1279:        if (MDOC_BODY != n->type)
1.25      kristaps 1280:                return(1);
1.30      kristaps 1281:
1.27      kristaps 1282: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1283:        term_word(p, "\\(en");
1.23      kristaps 1284: #else
                   1285:        term_word(p, "\\(em");
                   1286: #endif
1.1       kristaps 1287:        return(1);
1.115     kristaps 1288: }
                   1289:
                   1290:
                   1291: /* ARGSUSED */
                   1292: static int
                   1293: termp_bl_pre(DECL_ARGS)
                   1294: {
                   1295:
                   1296:        return(MDOC_HEAD != n->type);
1.1       kristaps 1297: }
                   1298:
                   1299:
                   1300: /* ARGSUSED */
                   1301: static void
                   1302: termp_bl_post(DECL_ARGS)
                   1303: {
                   1304:
1.86      kristaps 1305:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1306:                term_newln(p);
                   1307: }
                   1308:
                   1309: /* ARGSUSED */
                   1310: static int
                   1311: termp_xr_pre(DECL_ARGS)
                   1312: {
                   1313:
1.225     kristaps 1314:        if (NULL == (n = n->child))
1.113     kristaps 1315:                return(0);
                   1316:
1.225     kristaps 1317:        assert(MDOC_TEXT == n->type);
                   1318:        term_word(p, n->string);
1.11      kristaps 1319:
1.225     kristaps 1320:        if (NULL == (n = n->next))
1.1       kristaps 1321:                return(0);
1.225     kristaps 1322:
1.1       kristaps 1323:        p->flags |= TERMP_NOSPACE;
                   1324:        term_word(p, "(");
1.222     kristaps 1325:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1326:
                   1327:        assert(MDOC_TEXT == n->type);
                   1328:        term_word(p, n->string);
                   1329:
1.222     kristaps 1330:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1331:        term_word(p, ")");
1.86      kristaps 1332:
1.1       kristaps 1333:        return(0);
                   1334: }
                   1335:
1.143     kristaps 1336: /*
                   1337:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1338:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1339:  * macro combos).
                   1340:  */
                   1341: static void
                   1342: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1343: {
                   1344:        /*
                   1345:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1346:         * exist, do nothing.
                   1347:         */
1.160     kristaps 1348:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1349:                return;
                   1350:
                   1351:        /*
                   1352:         * If we're the second in a pair of like elements, emit our
                   1353:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1354:         * case we soldier on.
                   1355:         */
                   1356:        if (n->prev->tok == n->tok &&
                   1357:                        MDOC_Ft != n->tok &&
                   1358:                        MDOC_Fo != n->tok &&
                   1359:                        MDOC_Fn != n->tok) {
                   1360:                term_newln(p);
                   1361:                return;
                   1362:        }
                   1363:
                   1364:        /*
                   1365:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1366:         * another (or Fn/Fo, which we've let slip through) then assert
                   1367:         * vertical space, else only newline and move on.
                   1368:         */
                   1369:        switch (n->prev->tok) {
                   1370:        case (MDOC_Fd):
                   1371:                /* FALLTHROUGH */
                   1372:        case (MDOC_Fn):
                   1373:                /* FALLTHROUGH */
                   1374:        case (MDOC_Fo):
                   1375:                /* FALLTHROUGH */
                   1376:        case (MDOC_In):
                   1377:                /* FALLTHROUGH */
                   1378:        case (MDOC_Vt):
                   1379:                term_vspace(p);
                   1380:                break;
                   1381:        case (MDOC_Ft):
                   1382:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1383:                        term_vspace(p);
                   1384:                        break;
                   1385:                }
                   1386:                /* FALLTHROUGH */
                   1387:        default:
                   1388:                term_newln(p);
                   1389:                break;
                   1390:        }
                   1391: }
                   1392:
                   1393:
1.110     kristaps 1394: static int
                   1395: termp_vt_pre(DECL_ARGS)
                   1396: {
                   1397:
1.143     kristaps 1398:        if (MDOC_ELEM == n->type) {
                   1399:                synopsis_pre(p, n);
1.245     schwarze 1400:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1401:        } else if (MDOC_BLOCK == n->type) {
                   1402:                synopsis_pre(p, n);
                   1403:                return(1);
                   1404:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1405:                return(0);
                   1406:
1.245     schwarze 1407:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1408: }
                   1409:
                   1410:
1.1       kristaps 1411: /* ARGSUSED */
                   1412: static int
1.69      kristaps 1413: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1414: {
                   1415:
1.102     kristaps 1416:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1417:        return(1);
                   1418: }
                   1419:
                   1420:
                   1421: /* ARGSUSED */
1.143     kristaps 1422: static int
                   1423: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1424: {
                   1425:
1.143     kristaps 1426:        synopsis_pre(p, n);
1.245     schwarze 1427:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1428: }
                   1429:
                   1430:
                   1431: /* ARGSUSED */
1.241     schwarze 1432: static void
                   1433: termp_fd_post(DECL_ARGS)
                   1434: {
                   1435:
                   1436:        term_newln(p);
                   1437: }
                   1438:
                   1439:
                   1440: /* ARGSUSED */
1.1       kristaps 1441: static int
                   1442: termp_sh_pre(DECL_ARGS)
                   1443: {
1.85      kristaps 1444:
                   1445:        /* No vspace between consecutive `Sh' calls. */
                   1446:
1.86      kristaps 1447:        switch (n->type) {
1.65      kristaps 1448:        case (MDOC_BLOCK):
1.86      kristaps 1449:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1450:                        if (NULL == n->prev->body->child)
1.65      kristaps 1451:                                break;
                   1452:                term_vspace(p);
                   1453:                break;
1.1       kristaps 1454:        case (MDOC_HEAD):
1.102     kristaps 1455:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1456:                break;
                   1457:        case (MDOC_BODY):
1.238     schwarze 1458:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1459:                if (SEC_AUTHORS == n->sec)
                   1460:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1461:                break;
                   1462:        default:
                   1463:                break;
                   1464:        }
                   1465:        return(1);
                   1466: }
                   1467:
                   1468:
                   1469: /* ARGSUSED */
                   1470: static void
                   1471: termp_sh_post(DECL_ARGS)
                   1472: {
                   1473:
1.86      kristaps 1474:        switch (n->type) {
1.1       kristaps 1475:        case (MDOC_HEAD):
                   1476:                term_newln(p);
                   1477:                break;
                   1478:        case (MDOC_BODY):
                   1479:                term_newln(p);
                   1480:                p->offset = 0;
                   1481:                break;
                   1482:        default:
                   1483:                break;
                   1484:        }
                   1485: }
                   1486:
                   1487:
                   1488: /* ARGSUSED */
                   1489: static int
                   1490: termp_bt_pre(DECL_ARGS)
                   1491: {
                   1492:
                   1493:        term_word(p, "is currently in beta test.");
1.131     kristaps 1494:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1495:        return(0);
1.1       kristaps 1496: }
                   1497:
                   1498:
                   1499: /* ARGSUSED */
                   1500: static void
                   1501: termp_lb_post(DECL_ARGS)
                   1502: {
                   1503:
1.122     kristaps 1504:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1505:                term_newln(p);
1.1       kristaps 1506: }
                   1507:
                   1508:
                   1509: /* ARGSUSED */
                   1510: static int
                   1511: termp_ud_pre(DECL_ARGS)
                   1512: {
                   1513:
                   1514:        term_word(p, "currently under development.");
1.131     kristaps 1515:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1516:        return(0);
1.1       kristaps 1517: }
                   1518:
                   1519:
                   1520: /* ARGSUSED */
                   1521: static int
                   1522: termp_d1_pre(DECL_ARGS)
                   1523: {
                   1524:
1.86      kristaps 1525:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1526:                return(1);
                   1527:        term_newln(p);
1.238     schwarze 1528:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1529:        return(1);
                   1530: }
                   1531:
                   1532:
                   1533: /* ARGSUSED */
                   1534: static int
                   1535: termp_ft_pre(DECL_ARGS)
                   1536: {
                   1537:
1.141     kristaps 1538:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1539:        synopsis_pre(p, n);
1.102     kristaps 1540:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1541:        return(1);
                   1542: }
                   1543:
                   1544:
                   1545: /* ARGSUSED */
                   1546: static int
                   1547: termp_fn_pre(DECL_ARGS)
                   1548: {
1.257     schwarze 1549:        size_t           rmargin = 0;
1.226     kristaps 1550:        int              pretty;
                   1551:
                   1552:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1553:
1.143     kristaps 1554:        synopsis_pre(p, n);
1.139     kristaps 1555:
1.226     kristaps 1556:        if (NULL == (n = n->child))
                   1557:                return(0);
                   1558:
1.251     schwarze 1559:        if (pretty) {
                   1560:                rmargin = p->rmargin;
1.257     schwarze 1561:                p->rmargin = p->offset + term_len(p, 4);
1.251     schwarze 1562:                p->flags |= TERMP_NOBREAK | TERMP_HANG;
                   1563:        }
                   1564:
1.226     kristaps 1565:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1566:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1567:        term_word(p, n->string);
1.102     kristaps 1568:        term_fontpop(p);
1.1       kristaps 1569:
1.251     schwarze 1570:        if (pretty) {
                   1571:                term_flushln(p);
                   1572:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1573:                p->offset = p->rmargin;
                   1574:                p->rmargin = rmargin;
                   1575:        }
                   1576:
1.1       kristaps 1577:        p->flags |= TERMP_NOSPACE;
                   1578:        term_word(p, "(");
1.222     kristaps 1579:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1580:
1.226     kristaps 1581:        for (n = n->next; n; n = n->next) {
                   1582:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1583:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1584:                if (pretty)
                   1585:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1586:                term_word(p, n->string);
1.102     kristaps 1587:                term_fontpop(p);
                   1588:
1.226     kristaps 1589:                if (n->next) {
1.222     kristaps 1590:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1591:                        term_word(p, ",");
1.222     kristaps 1592:                }
1.1       kristaps 1593:        }
                   1594:
1.222     kristaps 1595:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1596:        term_word(p, ")");
                   1597:
1.226     kristaps 1598:        if (pretty) {
1.222     kristaps 1599:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1600:                term_word(p, ";");
1.251     schwarze 1601:                term_flushln(p);
1.222     kristaps 1602:        }
1.1       kristaps 1603:
                   1604:        return(0);
                   1605: }
                   1606:
                   1607:
                   1608: /* ARGSUSED */
                   1609: static int
                   1610: termp_fa_pre(DECL_ARGS)
                   1611: {
1.86      kristaps 1612:        const struct mdoc_node  *nn;
1.1       kristaps 1613:
1.86      kristaps 1614:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1615:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1616:                return(1);
                   1617:        }
                   1618:
1.86      kristaps 1619:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1620:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1621:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1622:                term_word(p, nn->string);
1.102     kristaps 1623:                term_fontpop(p);
                   1624:
1.256     schwarze 1625:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1626:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1627:                        term_word(p, ",");
1.222     kristaps 1628:                }
1.1       kristaps 1629:        }
                   1630:
                   1631:        return(0);
                   1632: }
                   1633:
                   1634:
                   1635: /* ARGSUSED */
                   1636: static int
                   1637: termp_bd_pre(DECL_ARGS)
                   1638: {
1.179     kristaps 1639:        size_t                   tabwidth, rm, rmax;
1.244     schwarze 1640:        struct mdoc_node        *nn;
1.1       kristaps 1641:
1.86      kristaps 1642:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1643:                print_bvspace(p, n, n);
1.54      kristaps 1644:                return(1);
1.116     kristaps 1645:        } else if (MDOC_HEAD == n->type)
                   1646:                return(0);
1.1       kristaps 1647:
1.202     kristaps 1648:        if (n->norm->Bd.offs)
                   1649:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1650:
                   1651:        /*
                   1652:         * If -ragged or -filled are specified, the block does nothing
                   1653:         * but change the indentation.  If -unfilled or -literal are
                   1654:         * specified, text is printed exactly as entered in the display:
                   1655:         * for macro lines, a newline is appended to the line.  Blank
                   1656:         * lines are allowed.
                   1657:         */
1.60      kristaps 1658:
1.202     kristaps 1659:        if (DISP_literal != n->norm->Bd.type &&
                   1660:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1661:                return(1);
                   1662:
1.129     schwarze 1663:        tabwidth = p->tabwidth;
1.208     kristaps 1664:        if (DISP_literal == n->norm->Bd.type)
                   1665:                p->tabwidth = term_len(p, 8);
                   1666:
1.119     kristaps 1667:        rm = p->rmargin;
                   1668:        rmax = p->maxrmargin;
1.120     kristaps 1669:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1670:
1.86      kristaps 1671:        for (nn = n->child; nn; nn = nn->next) {
1.245     schwarze 1672:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1673:                /*
                   1674:                 * If the printed node flushes its own line, then we
                   1675:                 * needn't do it here as well.  This is hacky, but the
                   1676:                 * notion of selective eoln whitespace is pretty dumb
                   1677:                 * anyway, so don't sweat it.
                   1678:                 */
                   1679:                switch (nn->tok) {
1.193     kristaps 1680:                case (MDOC_Sm):
                   1681:                        /* FALLTHROUGH */
1.190     kristaps 1682:                case (MDOC_br):
                   1683:                        /* FALLTHROUGH */
                   1684:                case (MDOC_sp):
                   1685:                        /* FALLTHROUGH */
                   1686:                case (MDOC_Bl):
1.196     kristaps 1687:                        /* FALLTHROUGH */
                   1688:                case (MDOC_D1):
                   1689:                        /* FALLTHROUGH */
                   1690:                case (MDOC_Dl):
1.190     kristaps 1691:                        /* FALLTHROUGH */
                   1692:                case (MDOC_Lp):
                   1693:                        /* FALLTHROUGH */
                   1694:                case (MDOC_Pp):
                   1695:                        continue;
                   1696:                default:
                   1697:                        break;
                   1698:                }
1.180     schwarze 1699:                if (nn->next && nn->next->line == nn->line)
                   1700:                        continue;
                   1701:                term_flushln(p);
                   1702:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1703:        }
1.147     kristaps 1704:
1.129     schwarze 1705:        p->tabwidth = tabwidth;
1.119     kristaps 1706:        p->rmargin = rm;
                   1707:        p->maxrmargin = rmax;
1.1       kristaps 1708:        return(0);
                   1709: }
                   1710:
                   1711:
                   1712: /* ARGSUSED */
                   1713: static void
                   1714: termp_bd_post(DECL_ARGS)
                   1715: {
1.119     kristaps 1716:        size_t           rm, rmax;
1.1       kristaps 1717:
1.86      kristaps 1718:        if (MDOC_BODY != n->type)
1.1       kristaps 1719:                return;
1.118     kristaps 1720:
1.119     kristaps 1721:        rm = p->rmargin;
                   1722:        rmax = p->maxrmargin;
1.118     kristaps 1723:
1.202     kristaps 1724:        if (DISP_literal == n->norm->Bd.type ||
                   1725:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1726:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1727:
1.60      kristaps 1728:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1729:        term_newln(p);
1.118     kristaps 1730:
1.119     kristaps 1731:        p->rmargin = rm;
                   1732:        p->maxrmargin = rmax;
1.1       kristaps 1733: }
                   1734:
                   1735:
                   1736: /* ARGSUSED */
1.211     kristaps 1737: static int
                   1738: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1739: {
                   1740:
1.211     kristaps 1741:        if (NULL != (n = n->child)) {
                   1742:                term_word(p, n->string);
                   1743:                p->flags |= TERMP_NOSPACE;
                   1744:                term_word(p, "BSD");
                   1745:        } else {
                   1746:                term_word(p, "BSD");
                   1747:                return(0);
                   1748:        }
                   1749:
                   1750:        if (NULL != (n = n->next)) {
                   1751:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1752:                term_word(p, "-");
1.1       kristaps 1753:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1754:                term_word(p, n->string);
1.211     kristaps 1755:        }
                   1756:
                   1757:        return(0);
1.1       kristaps 1758: }
                   1759:
                   1760:
                   1761: /* ARGSUSED */
                   1762: static int
1.26      kristaps 1763: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1764: {
1.26      kristaps 1765:        const char      *pp;
1.218     schwarze 1766:        int              flags;
1.1       kristaps 1767:
1.26      kristaps 1768:        pp = NULL;
1.86      kristaps 1769:        switch (n->tok) {
1.26      kristaps 1770:        case (MDOC_Bsx):
1.194     schwarze 1771:                pp = "BSD/OS";
1.26      kristaps 1772:                break;
                   1773:        case (MDOC_Dx):
1.100     kristaps 1774:                pp = "DragonFly";
1.26      kristaps 1775:                break;
                   1776:        case (MDOC_Fx):
                   1777:                pp = "FreeBSD";
                   1778:                break;
                   1779:        case (MDOC_Nx):
                   1780:                pp = "NetBSD";
                   1781:                break;
                   1782:        case (MDOC_Ox):
                   1783:                pp = "OpenBSD";
                   1784:                break;
                   1785:        case (MDOC_Ux):
                   1786:                pp = "UNIX";
                   1787:                break;
                   1788:        default:
1.246     schwarze 1789:                abort();
                   1790:                /* NOTREACHED */
1.26      kristaps 1791:        }
1.1       kristaps 1792:
1.26      kristaps 1793:        term_word(p, pp);
1.214     kristaps 1794:        if (n->child) {
1.218     schwarze 1795:                flags = p->flags;
1.214     kristaps 1796:                p->flags |= TERMP_KEEP;
                   1797:                term_word(p, n->child->string);
1.218     schwarze 1798:                p->flags = flags;
1.214     kristaps 1799:        }
                   1800:        return(0);
1.1       kristaps 1801: }
                   1802:
                   1803:
                   1804: /* ARGSUSED */
                   1805: static void
                   1806: termp_pf_post(DECL_ARGS)
                   1807: {
                   1808:
                   1809:        p->flags |= TERMP_NOSPACE;
                   1810: }
                   1811:
                   1812:
                   1813: /* ARGSUSED */
                   1814: static int
                   1815: termp_ss_pre(DECL_ARGS)
                   1816: {
                   1817:
1.86      kristaps 1818:        switch (n->type) {
1.1       kristaps 1819:        case (MDOC_BLOCK):
                   1820:                term_newln(p);
1.86      kristaps 1821:                if (n->prev)
1.1       kristaps 1822:                        term_vspace(p);
                   1823:                break;
                   1824:        case (MDOC_HEAD):
1.102     kristaps 1825:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1826:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1827:                break;
                   1828:        default:
                   1829:                break;
                   1830:        }
                   1831:
                   1832:        return(1);
                   1833: }
                   1834:
                   1835:
                   1836: /* ARGSUSED */
                   1837: static void
                   1838: termp_ss_post(DECL_ARGS)
                   1839: {
                   1840:
1.86      kristaps 1841:        if (MDOC_HEAD == n->type)
1.1       kristaps 1842:                term_newln(p);
                   1843: }
                   1844:
                   1845:
                   1846: /* ARGSUSED */
                   1847: static int
                   1848: termp_cd_pre(DECL_ARGS)
                   1849: {
                   1850:
1.143     kristaps 1851:        synopsis_pre(p, n);
1.102     kristaps 1852:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1853:        return(1);
                   1854: }
                   1855:
                   1856:
                   1857: /* ARGSUSED */
                   1858: static int
                   1859: termp_in_pre(DECL_ARGS)
                   1860: {
1.142     schwarze 1861:
1.143     kristaps 1862:        synopsis_pre(p, n);
1.1       kristaps 1863:
1.160     kristaps 1864:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1865:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1866:                term_word(p, "#include");
1.138     kristaps 1867:                term_word(p, "<");
                   1868:        } else {
                   1869:                term_word(p, "<");
                   1870:                term_fontpush(p, TERMFONT_UNDER);
                   1871:        }
1.22      kristaps 1872:
1.1       kristaps 1873:        p->flags |= TERMP_NOSPACE;
                   1874:        return(1);
                   1875: }
                   1876:
                   1877:
                   1878: /* ARGSUSED */
                   1879: static void
                   1880: termp_in_post(DECL_ARGS)
                   1881: {
                   1882:
1.160     kristaps 1883:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1884:                term_fontpush(p, TERMFONT_BOLD);
                   1885:
1.79      kristaps 1886:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1887:        term_word(p, ">");
                   1888:
1.160     kristaps 1889:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1890:                term_fontpop(p);
1.1       kristaps 1891: }
                   1892:
                   1893:
                   1894: /* ARGSUSED */
                   1895: static int
1.45      kristaps 1896: termp_sp_pre(DECL_ARGS)
                   1897: {
1.91      kristaps 1898:        size_t           i, len;
1.45      kristaps 1899:
1.86      kristaps 1900:        switch (n->tok) {
1.76      kristaps 1901:        case (MDOC_sp):
1.157     kristaps 1902:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1903:                break;
                   1904:        case (MDOC_br):
                   1905:                len = 0;
                   1906:                break;
                   1907:        default:
                   1908:                len = 1;
                   1909:                break;
1.45      kristaps 1910:        }
                   1911:
                   1912:        if (0 == len)
                   1913:                term_newln(p);
                   1914:        for (i = 0; i < len; i++)
                   1915:                term_vspace(p);
                   1916:
                   1917:        return(0);
                   1918: }
                   1919:
                   1920:
1.189     kristaps 1921: /* ARGSUSED */
1.45      kristaps 1922: static int
1.188     kristaps 1923: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1924: {
                   1925:
1.203     kristaps 1926:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1927:                return(1);
                   1928:
1.188     kristaps 1929:        switch (n->tok) {
                   1930:        case (MDOC_Ao):
                   1931:                /* FALLTHROUGH */
                   1932:        case (MDOC_Aq):
                   1933:                term_word(p, "<");
                   1934:                break;
                   1935:        case (MDOC_Bro):
                   1936:                /* FALLTHROUGH */
                   1937:        case (MDOC_Brq):
                   1938:                term_word(p, "{");
                   1939:                break;
                   1940:        case (MDOC_Oo):
                   1941:                /* FALLTHROUGH */
                   1942:        case (MDOC_Op):
                   1943:                /* FALLTHROUGH */
                   1944:        case (MDOC_Bo):
                   1945:                /* FALLTHROUGH */
                   1946:        case (MDOC_Bq):
                   1947:                term_word(p, "[");
                   1948:                break;
                   1949:        case (MDOC_Do):
                   1950:                /* FALLTHROUGH */
                   1951:        case (MDOC_Dq):
1.249     schwarze 1952:                term_word(p, "\\(lq");
1.188     kristaps 1953:                break;
1.237     schwarze 1954:        case (MDOC_Eo):
                   1955:                break;
1.188     kristaps 1956:        case (MDOC_Po):
                   1957:                /* FALLTHROUGH */
                   1958:        case (MDOC_Pq):
                   1959:                term_word(p, "(");
                   1960:                break;
1.205     kristaps 1961:        case (MDOC__T):
                   1962:                /* FALLTHROUGH */
1.188     kristaps 1963:        case (MDOC_Qo):
                   1964:                /* FALLTHROUGH */
                   1965:        case (MDOC_Qq):
                   1966:                term_word(p, "\"");
                   1967:                break;
                   1968:        case (MDOC_Ql):
                   1969:                /* FALLTHROUGH */
                   1970:        case (MDOC_So):
                   1971:                /* FALLTHROUGH */
                   1972:        case (MDOC_Sq):
1.249     schwarze 1973:                term_word(p, "\\(oq");
1.188     kristaps 1974:                break;
                   1975:        default:
                   1976:                abort();
                   1977:                /* NOTREACHED */
                   1978:        }
1.1       kristaps 1979:
                   1980:        p->flags |= TERMP_NOSPACE;
                   1981:        return(1);
                   1982: }
                   1983:
                   1984:
1.189     kristaps 1985: /* ARGSUSED */
1.1       kristaps 1986: static void
1.188     kristaps 1987: termp_quote_post(DECL_ARGS)
1.1       kristaps 1988: {
                   1989:
1.203     kristaps 1990:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1991:                return;
                   1992:
                   1993:        p->flags |= TERMP_NOSPACE;
                   1994:
1.188     kristaps 1995:        switch (n->tok) {
                   1996:        case (MDOC_Ao):
                   1997:                /* FALLTHROUGH */
                   1998:        case (MDOC_Aq):
                   1999:                term_word(p, ">");
                   2000:                break;
                   2001:        case (MDOC_Bro):
                   2002:                /* FALLTHROUGH */
                   2003:        case (MDOC_Brq):
                   2004:                term_word(p, "}");
                   2005:                break;
                   2006:        case (MDOC_Oo):
                   2007:                /* FALLTHROUGH */
                   2008:        case (MDOC_Op):
                   2009:                /* FALLTHROUGH */
                   2010:        case (MDOC_Bo):
                   2011:                /* FALLTHROUGH */
                   2012:        case (MDOC_Bq):
                   2013:                term_word(p, "]");
                   2014:                break;
                   2015:        case (MDOC_Do):
                   2016:                /* FALLTHROUGH */
                   2017:        case (MDOC_Dq):
1.249     schwarze 2018:                term_word(p, "\\(rq");
1.237     schwarze 2019:                break;
                   2020:        case (MDOC_Eo):
1.188     kristaps 2021:                break;
                   2022:        case (MDOC_Po):
                   2023:                /* FALLTHROUGH */
                   2024:        case (MDOC_Pq):
                   2025:                term_word(p, ")");
                   2026:                break;
1.205     kristaps 2027:        case (MDOC__T):
                   2028:                /* FALLTHROUGH */
1.188     kristaps 2029:        case (MDOC_Qo):
                   2030:                /* FALLTHROUGH */
                   2031:        case (MDOC_Qq):
                   2032:                term_word(p, "\"");
                   2033:                break;
                   2034:        case (MDOC_Ql):
                   2035:                /* FALLTHROUGH */
                   2036:        case (MDOC_So):
                   2037:                /* FALLTHROUGH */
                   2038:        case (MDOC_Sq):
1.249     schwarze 2039:                term_word(p, "\\(cq");
1.188     kristaps 2040:                break;
                   2041:        default:
                   2042:                abort();
                   2043:                /* NOTREACHED */
                   2044:        }
1.1       kristaps 2045: }
                   2046:
                   2047:
                   2048: /* ARGSUSED */
                   2049: static int
                   2050: termp_fo_pre(DECL_ARGS)
                   2051: {
1.257     schwarze 2052:        size_t           rmargin = 0;
1.256     schwarze 2053:        int              pretty;
                   2054:
                   2055:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2056:
1.141     kristaps 2057:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2058:                synopsis_pre(p, n);
1.141     kristaps 2059:                return(1);
                   2060:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 2061:                if (pretty) {
                   2062:                        rmargin = p->rmargin;
1.257     schwarze 2063:                        p->rmargin = p->offset + term_len(p, 4);
1.256     schwarze 2064:                        p->flags |= TERMP_NOBREAK | TERMP_HANG;
                   2065:                }
1.33      kristaps 2066:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2067:                term_word(p, "(");
1.222     kristaps 2068:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2069:                if (pretty) {
                   2070:                        term_flushln(p);
                   2071:                        p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   2072:                        p->offset = p->rmargin;
                   2073:                        p->rmargin = rmargin;
                   2074:                }
1.1       kristaps 2075:                return(1);
1.256     schwarze 2076:        }
1.141     kristaps 2077:
1.169     kristaps 2078:        if (NULL == n->child)
                   2079:                return(0);
                   2080:
1.141     kristaps 2081:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2082:
1.141     kristaps 2083:        assert(n->child->string);
1.102     kristaps 2084:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2085:        term_word(p, n->child->string);
1.1       kristaps 2086:        return(0);
                   2087: }
                   2088:
                   2089:
                   2090: /* ARGSUSED */
                   2091: static void
                   2092: termp_fo_post(DECL_ARGS)
                   2093: {
                   2094:
1.143     kristaps 2095:        if (MDOC_BODY != n->type)
                   2096:                return;
                   2097:
1.222     kristaps 2098:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2099:        term_word(p, ")");
                   2100:
1.222     kristaps 2101:        if (MDOC_SYNPRETTY & n->flags) {
                   2102:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2103:                term_word(p, ";");
1.256     schwarze 2104:                term_flushln(p);
1.222     kristaps 2105:        }
1.1       kristaps 2106: }
                   2107:
                   2108:
                   2109: /* ARGSUSED */
                   2110: static int
                   2111: termp_bf_pre(DECL_ARGS)
                   2112: {
                   2113:
1.86      kristaps 2114:        if (MDOC_HEAD == n->type)
1.1       kristaps 2115:                return(0);
1.244     schwarze 2116:        else if (MDOC_BODY != n->type)
1.1       kristaps 2117:                return(1);
                   2118:
1.202     kristaps 2119:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2120:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2121:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2122:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2123:        else
1.102     kristaps 2124:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2125:
                   2126:        return(1);
                   2127: }
                   2128:
                   2129:
                   2130: /* ARGSUSED */
                   2131: static int
                   2132: termp_sm_pre(DECL_ARGS)
                   2133: {
                   2134:
1.86      kristaps 2135:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2136:        if (0 == strcmp("on", n->child->string)) {
                   2137:                if (p->col)
                   2138:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2139:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2140:        } else
1.1       kristaps 2141:                p->flags |= TERMP_NONOSPACE;
                   2142:
                   2143:        return(0);
                   2144: }
                   2145:
                   2146:
                   2147: /* ARGSUSED */
                   2148: static int
                   2149: termp_ap_pre(DECL_ARGS)
                   2150: {
                   2151:
                   2152:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2153:        term_word(p, "'");
1.1       kristaps 2154:        p->flags |= TERMP_NOSPACE;
                   2155:        return(1);
                   2156: }
                   2157:
                   2158:
                   2159: /* ARGSUSED */
                   2160: static void
                   2161: termp____post(DECL_ARGS)
                   2162: {
1.184     kristaps 2163:
                   2164:        /*
                   2165:         * Handle lists of authors.  In general, print each followed by
                   2166:         * a comma.  Don't print the comma if there are only two
                   2167:         * authors.
                   2168:         */
                   2169:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2170:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2171:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2172:                                return;
1.1       kristaps 2173:
1.95      kristaps 2174:        /* TODO: %U. */
                   2175:
1.187     kristaps 2176:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2177:                return;
                   2178:
1.222     kristaps 2179:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2180:        if (NULL == n->next) {
                   2181:                term_word(p, ".");
                   2182:                p->flags |= TERMP_SENTENCE;
                   2183:        } else
                   2184:                term_word(p, ",");
1.1       kristaps 2185: }
                   2186:
                   2187:
                   2188: /* ARGSUSED */
                   2189: static int
1.102     kristaps 2190: termp_li_pre(DECL_ARGS)
                   2191: {
                   2192:
                   2193:        term_fontpush(p, TERMFONT_NONE);
                   2194:        return(1);
                   2195: }
                   2196:
                   2197:
                   2198: /* ARGSUSED */
                   2199: static int
1.1       kristaps 2200: termp_lk_pre(DECL_ARGS)
                   2201: {
1.240     schwarze 2202:        const struct mdoc_node *link, *descr;
1.1       kristaps 2203:
1.240     schwarze 2204:        if (NULL == (link = n->child))
                   2205:                return(0);
1.181     kristaps 2206:
1.240     schwarze 2207:        if (NULL != (descr = link->next)) {
                   2208:                term_fontpush(p, TERMFONT_UNDER);
                   2209:                while (NULL != descr) {
                   2210:                        term_word(p, descr->string);
                   2211:                        descr = descr->next;
                   2212:                }
                   2213:                p->flags |= TERMP_NOSPACE;
                   2214:                term_word(p, ":");
                   2215:                term_fontpop(p);
                   2216:        }
1.1       kristaps 2217:
1.102     kristaps 2218:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2219:        term_word(p, link->string);
1.102     kristaps 2220:        term_fontpop(p);
1.12      kristaps 2221:
1.1       kristaps 2222:        return(0);
                   2223: }
                   2224:
1.159     schwarze 2225:
                   2226: /* ARGSUSED */
                   2227: static int
                   2228: termp_bk_pre(DECL_ARGS)
                   2229: {
                   2230:
1.161     schwarze 2231:        switch (n->type) {
                   2232:        case (MDOC_BLOCK):
1.166     kristaps 2233:                break;
1.161     schwarze 2234:        case (MDOC_HEAD):
                   2235:                return(0);
                   2236:        case (MDOC_BODY):
1.200     schwarze 2237:                if (n->parent->args || 0 == n->prev->nchild)
                   2238:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2239:                break;
1.161     schwarze 2240:        default:
                   2241:                abort();
1.166     kristaps 2242:                /* NOTREACHED */
1.161     schwarze 2243:        }
1.166     kristaps 2244:
                   2245:        return(1);
1.159     schwarze 2246: }
                   2247:
                   2248:
                   2249: /* ARGSUSED */
                   2250: static void
                   2251: termp_bk_post(DECL_ARGS)
                   2252: {
                   2253:
1.253     schwarze 2254:        if (MDOC_BODY == n->type)
1.161     schwarze 2255:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2256: }
                   2257:
                   2258: /* ARGSUSED */
                   2259: static void
                   2260: termp__t_post(DECL_ARGS)
                   2261: {
                   2262:
                   2263:        /*
                   2264:         * If we're in an `Rs' and there's a journal present, then quote
                   2265:         * us instead of underlining us (for disambiguation).
                   2266:         */
1.217     schwarze 2267:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2268:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2269:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2270:
1.245     schwarze 2271:        termp____post(p, pair, meta, n);
1.203     kristaps 2272: }
                   2273:
                   2274: /* ARGSUSED */
                   2275: static int
                   2276: termp__t_pre(DECL_ARGS)
                   2277: {
                   2278:
                   2279:        /*
                   2280:         * If we're in an `Rs' and there's a journal present, then quote
                   2281:         * us instead of underlining us (for disambiguation).
                   2282:         */
                   2283:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2284:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2285:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2286:
                   2287:        term_fontpush(p, TERMFONT_UNDER);
                   2288:        return(1);
1.159     schwarze 2289: }
1.1       kristaps 2290:
                   2291: /* ARGSUSED */
                   2292: static int
1.69      kristaps 2293: termp_under_pre(DECL_ARGS)
1.1       kristaps 2294: {
                   2295:
1.102     kristaps 2296:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2297:        return(1);
                   2298: }

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