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Annotation of mandoc/mdoc_term.c, Revision 1.263

1.263   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.262 2014/04/08 04:40:47 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:
1.261     schwarze  625:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  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:
1.263   ! schwarze  822:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  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:
1.263   ! schwarze  829:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  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;
1.263   ! schwarze  851:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  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:
1.263   ! schwarze 1005:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
        !          1006:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze 1007:        p->trailspace = 0;
1.1       kristaps 1008: }
                   1009:
                   1010:
                   1011: /* ARGSUSED */
                   1012: static int
                   1013: termp_nm_pre(DECL_ARGS)
                   1014: {
                   1015:
1.253     schwarze 1016:        if (MDOC_BLOCK == n->type) {
                   1017:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1018:                return(1);
1.253     schwarze 1019:        }
1.164     schwarze 1020:
                   1021:        if (MDOC_BODY == n->type) {
                   1022:                if (NULL == n->child)
                   1023:                        return(0);
1.234     schwarze 1024:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1025:                p->offset += term_len(p, 1) +
1.245     schwarze 1026:                    (NULL == n->prev->child ?
                   1027:                     term_strlen(p, meta->name) :
1.164     schwarze 1028:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1029:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1030:                     term_len(p, 5));
1.262     schwarze 1031:                if (p->rmargin < p->offset)
                   1032:                        p->rmargin = p->offset;
1.164     schwarze 1033:                return(1);
                   1034:        }
                   1035:
1.245     schwarze 1036:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1037:                return(0);
1.125     kristaps 1038:
1.177     schwarze 1039:        if (MDOC_HEAD == n->type)
                   1040:                synopsis_pre(p, n->parent);
1.102     kristaps 1041:
1.164     schwarze 1042:        if (MDOC_HEAD == n->type && n->next->child) {
1.263   ! schwarze 1043:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1044:                p->trailspace = 1;
1.185     schwarze 1045:                p->rmargin = p->offset + term_len(p, 1);
                   1046:                if (NULL == n->child) {
1.245     schwarze 1047:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1048:                } else if (MDOC_TEXT == n->child->type) {
                   1049:                        p->rmargin += term_strlen(p, n->child->string);
                   1050:                        if (n->child->next)
                   1051:                                p->flags |= TERMP_HANG;
                   1052:                } else {
                   1053:                        p->rmargin += term_len(p, 5);
                   1054:                        p->flags |= TERMP_HANG;
                   1055:                }
1.164     schwarze 1056:        }
                   1057:
1.102     kristaps 1058:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1059:        if (NULL == n->child)
1.245     schwarze 1060:                term_word(p, meta->name);
1.1       kristaps 1061:        return(1);
                   1062: }
                   1063:
                   1064:
1.164     schwarze 1065: /* ARGSUSED */
                   1066: static void
                   1067: termp_nm_post(DECL_ARGS)
                   1068: {
                   1069:
1.253     schwarze 1070:        if (MDOC_BLOCK == n->type) {
                   1071:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
                   1072:        } else if (MDOC_HEAD == n->type && n->next->child) {
1.164     schwarze 1073:                term_flushln(p);
1.263   ! schwarze 1074:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1075:                p->trailspace = 0;
1.234     schwarze 1076:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1077:                term_flushln(p);
                   1078: }
                   1079:
                   1080:
1.1       kristaps 1081: /* ARGSUSED */
                   1082: static int
                   1083: termp_fl_pre(DECL_ARGS)
                   1084: {
                   1085:
1.102     kristaps 1086:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1087:        term_word(p, "\\-");
1.103     kristaps 1088:
                   1089:        if (n->child)
1.114     kristaps 1090:                p->flags |= TERMP_NOSPACE;
                   1091:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1092:                p->flags |= TERMP_NOSPACE;
                   1093:
1.1       kristaps 1094:        return(1);
                   1095: }
                   1096:
                   1097:
                   1098: /* ARGSUSED */
                   1099: static int
1.184     kristaps 1100: termp__a_pre(DECL_ARGS)
                   1101: {
                   1102:
                   1103:        if (n->prev && MDOC__A == n->prev->tok)
                   1104:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1105:                        term_word(p, "and");
                   1106:
                   1107:        return(1);
                   1108: }
                   1109:
                   1110:
                   1111: /* ARGSUSED */
                   1112: static int
1.61      kristaps 1113: termp_an_pre(DECL_ARGS)
                   1114: {
                   1115:
1.86      kristaps 1116:        if (NULL == n->child)
1.61      kristaps 1117:                return(1);
                   1118:
                   1119:        /*
1.85      kristaps 1120:         * If not in the AUTHORS section, `An -split' will cause
                   1121:         * newlines to occur before the author name.  If in the AUTHORS
                   1122:         * section, by default, the first `An' invocation is nosplit,
                   1123:         * then all subsequent ones, regardless of whether interspersed
                   1124:         * with other macros/text, are split.  -split, in this case,
                   1125:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1126:         */
                   1127:
1.86      kristaps 1128:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1129:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1130:                        if (TERMP_SPLIT & p->flags)
                   1131:                                term_newln(p);
                   1132:                        return(1);
                   1133:                }
                   1134:                if (TERMP_NOSPLIT & p->flags)
                   1135:                        return(1);
                   1136:                term_newln(p);
                   1137:                return(1);
                   1138:        }
                   1139:
                   1140:        if (TERMP_SPLIT & p->flags)
                   1141:                term_newln(p);
                   1142:
                   1143:        return(1);
                   1144: }
                   1145:
                   1146:
                   1147: /* ARGSUSED */
                   1148: static void
                   1149: termp_an_post(DECL_ARGS)
                   1150: {
                   1151:
1.86      kristaps 1152:        if (n->child) {
                   1153:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1154:                        p->flags |= TERMP_ANPREC;
                   1155:                return;
                   1156:        }
                   1157:
1.202     kristaps 1158:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1159:                p->flags &= ~TERMP_NOSPLIT;
                   1160:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1161:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1162:                p->flags &= ~TERMP_SPLIT;
                   1163:                p->flags |= TERMP_NOSPLIT;
                   1164:        }
                   1165:
                   1166: }
                   1167:
                   1168:
                   1169: /* ARGSUSED */
                   1170: static int
1.1       kristaps 1171: termp_ns_pre(DECL_ARGS)
                   1172: {
                   1173:
1.215     kristaps 1174:        if ( ! (MDOC_LINE & n->flags))
                   1175:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1176:        return(1);
                   1177: }
                   1178:
                   1179:
                   1180: /* ARGSUSED */
                   1181: static int
                   1182: termp_rs_pre(DECL_ARGS)
                   1183: {
                   1184:
1.86      kristaps 1185:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1186:                return(1);
1.86      kristaps 1187:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1188:                term_vspace(p);
                   1189:        return(1);
                   1190: }
                   1191:
                   1192:
                   1193: /* ARGSUSED */
                   1194: static int
                   1195: termp_rv_pre(DECL_ARGS)
                   1196: {
1.223     kristaps 1197:        int              nchild;
1.1       kristaps 1198:
                   1199:        term_newln(p);
                   1200:        term_word(p, "The");
                   1201:
1.223     kristaps 1202:        nchild = n->nchild;
                   1203:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1204:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1205:                term_word(p, n->string);
1.102     kristaps 1206:                term_fontpop(p);
1.224     kristaps 1207:
1.68      kristaps 1208:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1209:                term_word(p, "()");
                   1210:
                   1211:                if (nchild > 2 && n->next) {
                   1212:                        p->flags |= TERMP_NOSPACE;
                   1213:                        term_word(p, ",");
                   1214:                }
                   1215:
                   1216:                if (n->next && NULL == n->next->next)
                   1217:                        term_word(p, "and");
1.68      kristaps 1218:        }
                   1219:
1.223     kristaps 1220:        if (nchild > 1)
1.68      kristaps 1221:                term_word(p, "functions return");
                   1222:        else
                   1223:                term_word(p, "function returns");
1.1       kristaps 1224:
1.68      kristaps 1225:                term_word(p, "the value 0 if successful; otherwise the value "
                   1226:                        "-1 is returned and the global variable");
1.1       kristaps 1227:
1.102     kristaps 1228:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1229:        term_word(p, "errno");
1.102     kristaps 1230:        term_fontpop(p);
1.1       kristaps 1231:
                   1232:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1233:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1234:
1.68      kristaps 1235:        return(0);
1.1       kristaps 1236: }
                   1237:
                   1238:
                   1239: /* ARGSUSED */
                   1240: static int
                   1241: termp_ex_pre(DECL_ARGS)
                   1242: {
1.224     kristaps 1243:        int              nchild;
1.1       kristaps 1244:
1.224     kristaps 1245:        term_newln(p);
1.68      kristaps 1246:        term_word(p, "The");
1.1       kristaps 1247:
1.224     kristaps 1248:        nchild = n->nchild;
                   1249:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1250:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1251:                term_word(p, n->string);
1.102     kristaps 1252:                term_fontpop(p);
1.224     kristaps 1253:
                   1254:                if (nchild > 2 && n->next) {
                   1255:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1256:                        term_word(p, ",");
1.224     kristaps 1257:                }
                   1258:
                   1259:                if (n->next && NULL == n->next->next)
                   1260:                        term_word(p, "and");
1.68      kristaps 1261:        }
                   1262:
1.224     kristaps 1263:        if (nchild > 1)
1.68      kristaps 1264:                term_word(p, "utilities exit");
                   1265:        else
                   1266:                term_word(p, "utility exits");
                   1267:
                   1268:                term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1269:
1.131     kristaps 1270:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1271:        return(0);
1.1       kristaps 1272: }
                   1273:
                   1274:
                   1275: /* ARGSUSED */
                   1276: static int
                   1277: termp_nd_pre(DECL_ARGS)
                   1278: {
1.25      kristaps 1279:
1.86      kristaps 1280:        if (MDOC_BODY != n->type)
1.25      kristaps 1281:                return(1);
1.30      kristaps 1282:
1.27      kristaps 1283: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1284:        term_word(p, "\\(en");
1.23      kristaps 1285: #else
                   1286:        term_word(p, "\\(em");
                   1287: #endif
1.1       kristaps 1288:        return(1);
1.115     kristaps 1289: }
                   1290:
                   1291:
                   1292: /* ARGSUSED */
                   1293: static int
                   1294: termp_bl_pre(DECL_ARGS)
                   1295: {
                   1296:
                   1297:        return(MDOC_HEAD != n->type);
1.1       kristaps 1298: }
                   1299:
                   1300:
                   1301: /* ARGSUSED */
                   1302: static void
                   1303: termp_bl_post(DECL_ARGS)
                   1304: {
                   1305:
1.86      kristaps 1306:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1307:                term_newln(p);
                   1308: }
                   1309:
                   1310: /* ARGSUSED */
                   1311: static int
                   1312: termp_xr_pre(DECL_ARGS)
                   1313: {
                   1314:
1.225     kristaps 1315:        if (NULL == (n = n->child))
1.113     kristaps 1316:                return(0);
                   1317:
1.225     kristaps 1318:        assert(MDOC_TEXT == n->type);
                   1319:        term_word(p, n->string);
1.11      kristaps 1320:
1.225     kristaps 1321:        if (NULL == (n = n->next))
1.1       kristaps 1322:                return(0);
1.225     kristaps 1323:
1.1       kristaps 1324:        p->flags |= TERMP_NOSPACE;
                   1325:        term_word(p, "(");
1.222     kristaps 1326:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1327:
                   1328:        assert(MDOC_TEXT == n->type);
                   1329:        term_word(p, n->string);
                   1330:
1.222     kristaps 1331:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1332:        term_word(p, ")");
1.86      kristaps 1333:
1.1       kristaps 1334:        return(0);
                   1335: }
                   1336:
1.143     kristaps 1337: /*
                   1338:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1339:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1340:  * macro combos).
                   1341:  */
                   1342: static void
                   1343: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1344: {
                   1345:        /*
                   1346:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1347:         * exist, do nothing.
                   1348:         */
1.160     kristaps 1349:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1350:                return;
                   1351:
                   1352:        /*
                   1353:         * If we're the second in a pair of like elements, emit our
                   1354:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1355:         * case we soldier on.
                   1356:         */
                   1357:        if (n->prev->tok == n->tok &&
                   1358:                        MDOC_Ft != n->tok &&
                   1359:                        MDOC_Fo != n->tok &&
                   1360:                        MDOC_Fn != n->tok) {
                   1361:                term_newln(p);
                   1362:                return;
                   1363:        }
                   1364:
                   1365:        /*
                   1366:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1367:         * another (or Fn/Fo, which we've let slip through) then assert
                   1368:         * vertical space, else only newline and move on.
                   1369:         */
                   1370:        switch (n->prev->tok) {
                   1371:        case (MDOC_Fd):
                   1372:                /* FALLTHROUGH */
                   1373:        case (MDOC_Fn):
                   1374:                /* FALLTHROUGH */
                   1375:        case (MDOC_Fo):
                   1376:                /* FALLTHROUGH */
                   1377:        case (MDOC_In):
                   1378:                /* FALLTHROUGH */
                   1379:        case (MDOC_Vt):
                   1380:                term_vspace(p);
                   1381:                break;
                   1382:        case (MDOC_Ft):
                   1383:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1384:                        term_vspace(p);
                   1385:                        break;
                   1386:                }
                   1387:                /* FALLTHROUGH */
                   1388:        default:
                   1389:                term_newln(p);
                   1390:                break;
                   1391:        }
                   1392: }
                   1393:
                   1394:
1.110     kristaps 1395: static int
                   1396: termp_vt_pre(DECL_ARGS)
                   1397: {
                   1398:
1.143     kristaps 1399:        if (MDOC_ELEM == n->type) {
                   1400:                synopsis_pre(p, n);
1.245     schwarze 1401:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1402:        } else if (MDOC_BLOCK == n->type) {
                   1403:                synopsis_pre(p, n);
                   1404:                return(1);
                   1405:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1406:                return(0);
                   1407:
1.245     schwarze 1408:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1409: }
                   1410:
                   1411:
1.1       kristaps 1412: /* ARGSUSED */
                   1413: static int
1.69      kristaps 1414: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1415: {
                   1416:
1.102     kristaps 1417:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1418:        return(1);
                   1419: }
                   1420:
                   1421:
                   1422: /* ARGSUSED */
1.143     kristaps 1423: static int
                   1424: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1425: {
                   1426:
1.143     kristaps 1427:        synopsis_pre(p, n);
1.245     schwarze 1428:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1429: }
                   1430:
                   1431:
                   1432: /* ARGSUSED */
1.241     schwarze 1433: static void
                   1434: termp_fd_post(DECL_ARGS)
                   1435: {
                   1436:
                   1437:        term_newln(p);
                   1438: }
                   1439:
                   1440:
                   1441: /* ARGSUSED */
1.1       kristaps 1442: static int
                   1443: termp_sh_pre(DECL_ARGS)
                   1444: {
1.85      kristaps 1445:
                   1446:        /* No vspace between consecutive `Sh' calls. */
                   1447:
1.86      kristaps 1448:        switch (n->type) {
1.65      kristaps 1449:        case (MDOC_BLOCK):
1.86      kristaps 1450:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1451:                        if (NULL == n->prev->body->child)
1.65      kristaps 1452:                                break;
                   1453:                term_vspace(p);
                   1454:                break;
1.1       kristaps 1455:        case (MDOC_HEAD):
1.102     kristaps 1456:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1457:                break;
                   1458:        case (MDOC_BODY):
1.238     schwarze 1459:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1460:                if (SEC_AUTHORS == n->sec)
                   1461:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1462:                break;
                   1463:        default:
                   1464:                break;
                   1465:        }
                   1466:        return(1);
                   1467: }
                   1468:
                   1469:
                   1470: /* ARGSUSED */
                   1471: static void
                   1472: termp_sh_post(DECL_ARGS)
                   1473: {
                   1474:
1.86      kristaps 1475:        switch (n->type) {
1.1       kristaps 1476:        case (MDOC_HEAD):
                   1477:                term_newln(p);
                   1478:                break;
                   1479:        case (MDOC_BODY):
                   1480:                term_newln(p);
                   1481:                p->offset = 0;
                   1482:                break;
                   1483:        default:
                   1484:                break;
                   1485:        }
                   1486: }
                   1487:
                   1488:
                   1489: /* ARGSUSED */
                   1490: static int
                   1491: termp_bt_pre(DECL_ARGS)
                   1492: {
                   1493:
                   1494:        term_word(p, "is currently in beta test.");
1.131     kristaps 1495:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1496:        return(0);
1.1       kristaps 1497: }
                   1498:
                   1499:
                   1500: /* ARGSUSED */
                   1501: static void
                   1502: termp_lb_post(DECL_ARGS)
                   1503: {
                   1504:
1.122     kristaps 1505:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1506:                term_newln(p);
1.1       kristaps 1507: }
                   1508:
                   1509:
                   1510: /* ARGSUSED */
                   1511: static int
                   1512: termp_ud_pre(DECL_ARGS)
                   1513: {
                   1514:
                   1515:        term_word(p, "currently under development.");
1.131     kristaps 1516:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1517:        return(0);
1.1       kristaps 1518: }
                   1519:
                   1520:
                   1521: /* ARGSUSED */
                   1522: static int
                   1523: termp_d1_pre(DECL_ARGS)
                   1524: {
                   1525:
1.86      kristaps 1526:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1527:                return(1);
                   1528:        term_newln(p);
1.238     schwarze 1529:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1530:        return(1);
                   1531: }
                   1532:
                   1533:
                   1534: /* ARGSUSED */
                   1535: static int
                   1536: termp_ft_pre(DECL_ARGS)
                   1537: {
                   1538:
1.141     kristaps 1539:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1540:        synopsis_pre(p, n);
1.102     kristaps 1541:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1542:        return(1);
                   1543: }
                   1544:
                   1545:
                   1546: /* ARGSUSED */
                   1547: static int
                   1548: termp_fn_pre(DECL_ARGS)
                   1549: {
1.257     schwarze 1550:        size_t           rmargin = 0;
1.226     kristaps 1551:        int              pretty;
                   1552:
                   1553:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1554:
1.143     kristaps 1555:        synopsis_pre(p, n);
1.139     kristaps 1556:
1.226     kristaps 1557:        if (NULL == (n = n->child))
                   1558:                return(0);
                   1559:
1.251     schwarze 1560:        if (pretty) {
                   1561:                rmargin = p->rmargin;
1.257     schwarze 1562:                p->rmargin = p->offset + term_len(p, 4);
1.263   ! schwarze 1563:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1564:        }
                   1565:
1.226     kristaps 1566:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1567:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1568:        term_word(p, n->string);
1.102     kristaps 1569:        term_fontpop(p);
1.1       kristaps 1570:
1.251     schwarze 1571:        if (pretty) {
                   1572:                term_flushln(p);
1.263   ! schwarze 1573:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1574:                p->offset = p->rmargin;
                   1575:                p->rmargin = rmargin;
                   1576:        }
                   1577:
1.1       kristaps 1578:        p->flags |= TERMP_NOSPACE;
                   1579:        term_word(p, "(");
1.222     kristaps 1580:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1581:
1.226     kristaps 1582:        for (n = n->next; n; n = n->next) {
                   1583:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1584:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1585:                if (pretty)
                   1586:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1587:                term_word(p, n->string);
1.102     kristaps 1588:                term_fontpop(p);
                   1589:
1.226     kristaps 1590:                if (n->next) {
1.222     kristaps 1591:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1592:                        term_word(p, ",");
1.222     kristaps 1593:                }
1.1       kristaps 1594:        }
                   1595:
1.222     kristaps 1596:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1597:        term_word(p, ")");
                   1598:
1.226     kristaps 1599:        if (pretty) {
1.222     kristaps 1600:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1601:                term_word(p, ";");
1.251     schwarze 1602:                term_flushln(p);
1.222     kristaps 1603:        }
1.1       kristaps 1604:
                   1605:        return(0);
                   1606: }
                   1607:
                   1608:
                   1609: /* ARGSUSED */
                   1610: static int
                   1611: termp_fa_pre(DECL_ARGS)
                   1612: {
1.86      kristaps 1613:        const struct mdoc_node  *nn;
1.1       kristaps 1614:
1.86      kristaps 1615:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1616:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1617:                return(1);
                   1618:        }
                   1619:
1.86      kristaps 1620:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1621:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1622:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1623:                term_word(p, nn->string);
1.102     kristaps 1624:                term_fontpop(p);
                   1625:
1.256     schwarze 1626:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1627:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1628:                        term_word(p, ",");
1.222     kristaps 1629:                }
1.1       kristaps 1630:        }
                   1631:
                   1632:        return(0);
                   1633: }
                   1634:
                   1635:
                   1636: /* ARGSUSED */
                   1637: static int
                   1638: termp_bd_pre(DECL_ARGS)
                   1639: {
1.179     kristaps 1640:        size_t                   tabwidth, rm, rmax;
1.244     schwarze 1641:        struct mdoc_node        *nn;
1.1       kristaps 1642:
1.86      kristaps 1643:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1644:                print_bvspace(p, n, n);
1.54      kristaps 1645:                return(1);
1.116     kristaps 1646:        } else if (MDOC_HEAD == n->type)
                   1647:                return(0);
1.1       kristaps 1648:
1.202     kristaps 1649:        if (n->norm->Bd.offs)
                   1650:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1651:
                   1652:        /*
                   1653:         * If -ragged or -filled are specified, the block does nothing
                   1654:         * but change the indentation.  If -unfilled or -literal are
                   1655:         * specified, text is printed exactly as entered in the display:
                   1656:         * for macro lines, a newline is appended to the line.  Blank
                   1657:         * lines are allowed.
                   1658:         */
1.60      kristaps 1659:
1.202     kristaps 1660:        if (DISP_literal != n->norm->Bd.type &&
                   1661:                        DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1662:                return(1);
                   1663:
1.129     schwarze 1664:        tabwidth = p->tabwidth;
1.208     kristaps 1665:        if (DISP_literal == n->norm->Bd.type)
                   1666:                p->tabwidth = term_len(p, 8);
                   1667:
1.119     kristaps 1668:        rm = p->rmargin;
                   1669:        rmax = p->maxrmargin;
1.120     kristaps 1670:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1671:
1.86      kristaps 1672:        for (nn = n->child; nn; nn = nn->next) {
1.245     schwarze 1673:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1674:                /*
                   1675:                 * If the printed node flushes its own line, then we
                   1676:                 * needn't do it here as well.  This is hacky, but the
                   1677:                 * notion of selective eoln whitespace is pretty dumb
                   1678:                 * anyway, so don't sweat it.
                   1679:                 */
                   1680:                switch (nn->tok) {
1.193     kristaps 1681:                case (MDOC_Sm):
                   1682:                        /* FALLTHROUGH */
1.190     kristaps 1683:                case (MDOC_br):
                   1684:                        /* FALLTHROUGH */
                   1685:                case (MDOC_sp):
                   1686:                        /* FALLTHROUGH */
                   1687:                case (MDOC_Bl):
1.196     kristaps 1688:                        /* FALLTHROUGH */
                   1689:                case (MDOC_D1):
                   1690:                        /* FALLTHROUGH */
                   1691:                case (MDOC_Dl):
1.190     kristaps 1692:                        /* FALLTHROUGH */
                   1693:                case (MDOC_Lp):
                   1694:                        /* FALLTHROUGH */
                   1695:                case (MDOC_Pp):
                   1696:                        continue;
                   1697:                default:
                   1698:                        break;
                   1699:                }
1.180     schwarze 1700:                if (nn->next && nn->next->line == nn->line)
                   1701:                        continue;
                   1702:                term_flushln(p);
                   1703:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1704:        }
1.147     kristaps 1705:
1.129     schwarze 1706:        p->tabwidth = tabwidth;
1.119     kristaps 1707:        p->rmargin = rm;
                   1708:        p->maxrmargin = rmax;
1.1       kristaps 1709:        return(0);
                   1710: }
                   1711:
                   1712:
                   1713: /* ARGSUSED */
                   1714: static void
                   1715: termp_bd_post(DECL_ARGS)
                   1716: {
1.119     kristaps 1717:        size_t           rm, rmax;
1.1       kristaps 1718:
1.86      kristaps 1719:        if (MDOC_BODY != n->type)
1.1       kristaps 1720:                return;
1.118     kristaps 1721:
1.119     kristaps 1722:        rm = p->rmargin;
                   1723:        rmax = p->maxrmargin;
1.118     kristaps 1724:
1.202     kristaps 1725:        if (DISP_literal == n->norm->Bd.type ||
                   1726:                        DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1727:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1728:
1.60      kristaps 1729:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1730:        term_newln(p);
1.118     kristaps 1731:
1.119     kristaps 1732:        p->rmargin = rm;
                   1733:        p->maxrmargin = rmax;
1.1       kristaps 1734: }
                   1735:
                   1736:
                   1737: /* ARGSUSED */
1.211     kristaps 1738: static int
                   1739: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1740: {
                   1741:
1.211     kristaps 1742:        if (NULL != (n = n->child)) {
                   1743:                term_word(p, n->string);
                   1744:                p->flags |= TERMP_NOSPACE;
                   1745:                term_word(p, "BSD");
                   1746:        } else {
                   1747:                term_word(p, "BSD");
                   1748:                return(0);
                   1749:        }
                   1750:
                   1751:        if (NULL != (n = n->next)) {
                   1752:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1753:                term_word(p, "-");
1.1       kristaps 1754:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1755:                term_word(p, n->string);
1.211     kristaps 1756:        }
                   1757:
                   1758:        return(0);
1.1       kristaps 1759: }
                   1760:
                   1761:
                   1762: /* ARGSUSED */
                   1763: static int
1.26      kristaps 1764: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1765: {
1.26      kristaps 1766:        const char      *pp;
1.218     schwarze 1767:        int              flags;
1.1       kristaps 1768:
1.26      kristaps 1769:        pp = NULL;
1.86      kristaps 1770:        switch (n->tok) {
1.26      kristaps 1771:        case (MDOC_Bsx):
1.194     schwarze 1772:                pp = "BSD/OS";
1.26      kristaps 1773:                break;
                   1774:        case (MDOC_Dx):
1.100     kristaps 1775:                pp = "DragonFly";
1.26      kristaps 1776:                break;
                   1777:        case (MDOC_Fx):
                   1778:                pp = "FreeBSD";
                   1779:                break;
                   1780:        case (MDOC_Nx):
                   1781:                pp = "NetBSD";
                   1782:                break;
                   1783:        case (MDOC_Ox):
                   1784:                pp = "OpenBSD";
                   1785:                break;
                   1786:        case (MDOC_Ux):
                   1787:                pp = "UNIX";
                   1788:                break;
                   1789:        default:
1.246     schwarze 1790:                abort();
                   1791:                /* NOTREACHED */
1.26      kristaps 1792:        }
1.1       kristaps 1793:
1.26      kristaps 1794:        term_word(p, pp);
1.214     kristaps 1795:        if (n->child) {
1.218     schwarze 1796:                flags = p->flags;
1.214     kristaps 1797:                p->flags |= TERMP_KEEP;
                   1798:                term_word(p, n->child->string);
1.218     schwarze 1799:                p->flags = flags;
1.214     kristaps 1800:        }
                   1801:        return(0);
1.1       kristaps 1802: }
                   1803:
                   1804:
                   1805: /* ARGSUSED */
                   1806: static void
                   1807: termp_pf_post(DECL_ARGS)
                   1808: {
                   1809:
                   1810:        p->flags |= TERMP_NOSPACE;
                   1811: }
                   1812:
                   1813:
                   1814: /* ARGSUSED */
                   1815: static int
                   1816: termp_ss_pre(DECL_ARGS)
                   1817: {
                   1818:
1.86      kristaps 1819:        switch (n->type) {
1.1       kristaps 1820:        case (MDOC_BLOCK):
                   1821:                term_newln(p);
1.86      kristaps 1822:                if (n->prev)
1.1       kristaps 1823:                        term_vspace(p);
                   1824:                break;
                   1825:        case (MDOC_HEAD):
1.102     kristaps 1826:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1827:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1828:                break;
                   1829:        default:
                   1830:                break;
                   1831:        }
                   1832:
                   1833:        return(1);
                   1834: }
                   1835:
                   1836:
                   1837: /* ARGSUSED */
                   1838: static void
                   1839: termp_ss_post(DECL_ARGS)
                   1840: {
                   1841:
1.86      kristaps 1842:        if (MDOC_HEAD == n->type)
1.1       kristaps 1843:                term_newln(p);
                   1844: }
                   1845:
                   1846:
                   1847: /* ARGSUSED */
                   1848: static int
                   1849: termp_cd_pre(DECL_ARGS)
                   1850: {
                   1851:
1.143     kristaps 1852:        synopsis_pre(p, n);
1.102     kristaps 1853:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1854:        return(1);
                   1855: }
                   1856:
                   1857:
                   1858: /* ARGSUSED */
                   1859: static int
                   1860: termp_in_pre(DECL_ARGS)
                   1861: {
1.142     schwarze 1862:
1.143     kristaps 1863:        synopsis_pre(p, n);
1.1       kristaps 1864:
1.160     kristaps 1865:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1866:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1867:                term_word(p, "#include");
1.138     kristaps 1868:                term_word(p, "<");
                   1869:        } else {
                   1870:                term_word(p, "<");
                   1871:                term_fontpush(p, TERMFONT_UNDER);
                   1872:        }
1.22      kristaps 1873:
1.1       kristaps 1874:        p->flags |= TERMP_NOSPACE;
                   1875:        return(1);
                   1876: }
                   1877:
                   1878:
                   1879: /* ARGSUSED */
                   1880: static void
                   1881: termp_in_post(DECL_ARGS)
                   1882: {
                   1883:
1.160     kristaps 1884:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1885:                term_fontpush(p, TERMFONT_BOLD);
                   1886:
1.79      kristaps 1887:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1888:        term_word(p, ">");
                   1889:
1.160     kristaps 1890:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1891:                term_fontpop(p);
1.1       kristaps 1892: }
                   1893:
                   1894:
                   1895: /* ARGSUSED */
                   1896: static int
1.45      kristaps 1897: termp_sp_pre(DECL_ARGS)
                   1898: {
1.91      kristaps 1899:        size_t           i, len;
1.45      kristaps 1900:
1.86      kristaps 1901:        switch (n->tok) {
1.76      kristaps 1902:        case (MDOC_sp):
1.157     kristaps 1903:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1904:                break;
                   1905:        case (MDOC_br):
                   1906:                len = 0;
                   1907:                break;
                   1908:        default:
                   1909:                len = 1;
                   1910:                break;
1.45      kristaps 1911:        }
                   1912:
                   1913:        if (0 == len)
                   1914:                term_newln(p);
                   1915:        for (i = 0; i < len; i++)
                   1916:                term_vspace(p);
                   1917:
                   1918:        return(0);
                   1919: }
                   1920:
                   1921:
1.189     kristaps 1922: /* ARGSUSED */
1.45      kristaps 1923: static int
1.188     kristaps 1924: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1925: {
                   1926:
1.203     kristaps 1927:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1928:                return(1);
                   1929:
1.188     kristaps 1930:        switch (n->tok) {
                   1931:        case (MDOC_Ao):
                   1932:                /* FALLTHROUGH */
                   1933:        case (MDOC_Aq):
                   1934:                term_word(p, "<");
                   1935:                break;
                   1936:        case (MDOC_Bro):
                   1937:                /* FALLTHROUGH */
                   1938:        case (MDOC_Brq):
                   1939:                term_word(p, "{");
                   1940:                break;
                   1941:        case (MDOC_Oo):
                   1942:                /* FALLTHROUGH */
                   1943:        case (MDOC_Op):
                   1944:                /* FALLTHROUGH */
                   1945:        case (MDOC_Bo):
                   1946:                /* FALLTHROUGH */
                   1947:        case (MDOC_Bq):
                   1948:                term_word(p, "[");
                   1949:                break;
                   1950:        case (MDOC_Do):
                   1951:                /* FALLTHROUGH */
                   1952:        case (MDOC_Dq):
1.249     schwarze 1953:                term_word(p, "\\(lq");
1.188     kristaps 1954:                break;
1.237     schwarze 1955:        case (MDOC_Eo):
                   1956:                break;
1.188     kristaps 1957:        case (MDOC_Po):
                   1958:                /* FALLTHROUGH */
                   1959:        case (MDOC_Pq):
                   1960:                term_word(p, "(");
                   1961:                break;
1.205     kristaps 1962:        case (MDOC__T):
                   1963:                /* FALLTHROUGH */
1.188     kristaps 1964:        case (MDOC_Qo):
                   1965:                /* FALLTHROUGH */
                   1966:        case (MDOC_Qq):
                   1967:                term_word(p, "\"");
                   1968:                break;
                   1969:        case (MDOC_Ql):
                   1970:                /* FALLTHROUGH */
                   1971:        case (MDOC_So):
                   1972:                /* FALLTHROUGH */
                   1973:        case (MDOC_Sq):
1.249     schwarze 1974:                term_word(p, "\\(oq");
1.188     kristaps 1975:                break;
                   1976:        default:
                   1977:                abort();
                   1978:                /* NOTREACHED */
                   1979:        }
1.1       kristaps 1980:
                   1981:        p->flags |= TERMP_NOSPACE;
                   1982:        return(1);
                   1983: }
                   1984:
                   1985:
1.189     kristaps 1986: /* ARGSUSED */
1.1       kristaps 1987: static void
1.188     kristaps 1988: termp_quote_post(DECL_ARGS)
1.1       kristaps 1989: {
                   1990:
1.203     kristaps 1991:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1992:                return;
                   1993:
                   1994:        p->flags |= TERMP_NOSPACE;
                   1995:
1.188     kristaps 1996:        switch (n->tok) {
                   1997:        case (MDOC_Ao):
                   1998:                /* FALLTHROUGH */
                   1999:        case (MDOC_Aq):
                   2000:                term_word(p, ">");
                   2001:                break;
                   2002:        case (MDOC_Bro):
                   2003:                /* FALLTHROUGH */
                   2004:        case (MDOC_Brq):
                   2005:                term_word(p, "}");
                   2006:                break;
                   2007:        case (MDOC_Oo):
                   2008:                /* FALLTHROUGH */
                   2009:        case (MDOC_Op):
                   2010:                /* FALLTHROUGH */
                   2011:        case (MDOC_Bo):
                   2012:                /* FALLTHROUGH */
                   2013:        case (MDOC_Bq):
                   2014:                term_word(p, "]");
                   2015:                break;
                   2016:        case (MDOC_Do):
                   2017:                /* FALLTHROUGH */
                   2018:        case (MDOC_Dq):
1.249     schwarze 2019:                term_word(p, "\\(rq");
1.237     schwarze 2020:                break;
                   2021:        case (MDOC_Eo):
1.188     kristaps 2022:                break;
                   2023:        case (MDOC_Po):
                   2024:                /* FALLTHROUGH */
                   2025:        case (MDOC_Pq):
                   2026:                term_word(p, ")");
                   2027:                break;
1.205     kristaps 2028:        case (MDOC__T):
                   2029:                /* FALLTHROUGH */
1.188     kristaps 2030:        case (MDOC_Qo):
                   2031:                /* FALLTHROUGH */
                   2032:        case (MDOC_Qq):
                   2033:                term_word(p, "\"");
                   2034:                break;
                   2035:        case (MDOC_Ql):
                   2036:                /* FALLTHROUGH */
                   2037:        case (MDOC_So):
                   2038:                /* FALLTHROUGH */
                   2039:        case (MDOC_Sq):
1.249     schwarze 2040:                term_word(p, "\\(cq");
1.188     kristaps 2041:                break;
                   2042:        default:
                   2043:                abort();
                   2044:                /* NOTREACHED */
                   2045:        }
1.1       kristaps 2046: }
                   2047:
                   2048:
                   2049: /* ARGSUSED */
                   2050: static int
                   2051: termp_fo_pre(DECL_ARGS)
                   2052: {
1.257     schwarze 2053:        size_t           rmargin = 0;
1.256     schwarze 2054:        int              pretty;
                   2055:
                   2056:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2057:
1.141     kristaps 2058:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2059:                synopsis_pre(p, n);
1.141     kristaps 2060:                return(1);
                   2061:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 2062:                if (pretty) {
                   2063:                        rmargin = p->rmargin;
1.257     schwarze 2064:                        p->rmargin = p->offset + term_len(p, 4);
1.263   ! schwarze 2065:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
        !          2066:                                        TERMP_HANG;
1.256     schwarze 2067:                }
1.33      kristaps 2068:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2069:                term_word(p, "(");
1.222     kristaps 2070:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2071:                if (pretty) {
                   2072:                        term_flushln(p);
1.263   ! schwarze 2073:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
        !          2074:                                        TERMP_HANG);
1.256     schwarze 2075:                        p->offset = p->rmargin;
                   2076:                        p->rmargin = rmargin;
                   2077:                }
1.1       kristaps 2078:                return(1);
1.256     schwarze 2079:        }
1.141     kristaps 2080:
1.169     kristaps 2081:        if (NULL == n->child)
                   2082:                return(0);
                   2083:
1.141     kristaps 2084:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2085:
1.141     kristaps 2086:        assert(n->child->string);
1.102     kristaps 2087:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2088:        term_word(p, n->child->string);
1.1       kristaps 2089:        return(0);
                   2090: }
                   2091:
                   2092:
                   2093: /* ARGSUSED */
                   2094: static void
                   2095: termp_fo_post(DECL_ARGS)
                   2096: {
                   2097:
1.143     kristaps 2098:        if (MDOC_BODY != n->type)
                   2099:                return;
                   2100:
1.222     kristaps 2101:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2102:        term_word(p, ")");
                   2103:
1.222     kristaps 2104:        if (MDOC_SYNPRETTY & n->flags) {
                   2105:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2106:                term_word(p, ";");
1.256     schwarze 2107:                term_flushln(p);
1.222     kristaps 2108:        }
1.1       kristaps 2109: }
                   2110:
                   2111:
                   2112: /* ARGSUSED */
                   2113: static int
                   2114: termp_bf_pre(DECL_ARGS)
                   2115: {
                   2116:
1.86      kristaps 2117:        if (MDOC_HEAD == n->type)
1.1       kristaps 2118:                return(0);
1.244     schwarze 2119:        else if (MDOC_BODY != n->type)
1.1       kristaps 2120:                return(1);
                   2121:
1.202     kristaps 2122:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2123:                term_fontpush(p, TERMFONT_UNDER);
1.202     kristaps 2124:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2125:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2126:        else
1.102     kristaps 2127:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2128:
                   2129:        return(1);
                   2130: }
                   2131:
                   2132:
                   2133: /* ARGSUSED */
                   2134: static int
                   2135: termp_sm_pre(DECL_ARGS)
                   2136: {
                   2137:
1.86      kristaps 2138:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2139:        if (0 == strcmp("on", n->child->string)) {
                   2140:                if (p->col)
                   2141:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2142:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2143:        } else
1.1       kristaps 2144:                p->flags |= TERMP_NONOSPACE;
                   2145:
                   2146:        return(0);
                   2147: }
                   2148:
                   2149:
                   2150: /* ARGSUSED */
                   2151: static int
                   2152: termp_ap_pre(DECL_ARGS)
                   2153: {
                   2154:
                   2155:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2156:        term_word(p, "'");
1.1       kristaps 2157:        p->flags |= TERMP_NOSPACE;
                   2158:        return(1);
                   2159: }
                   2160:
                   2161:
                   2162: /* ARGSUSED */
                   2163: static void
                   2164: termp____post(DECL_ARGS)
                   2165: {
1.184     kristaps 2166:
                   2167:        /*
                   2168:         * Handle lists of authors.  In general, print each followed by
                   2169:         * a comma.  Don't print the comma if there are only two
                   2170:         * authors.
                   2171:         */
                   2172:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2173:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2174:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2175:                                return;
1.1       kristaps 2176:
1.95      kristaps 2177:        /* TODO: %U. */
                   2178:
1.187     kristaps 2179:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2180:                return;
                   2181:
1.222     kristaps 2182:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2183:        if (NULL == n->next) {
                   2184:                term_word(p, ".");
                   2185:                p->flags |= TERMP_SENTENCE;
                   2186:        } else
                   2187:                term_word(p, ",");
1.1       kristaps 2188: }
                   2189:
                   2190:
                   2191: /* ARGSUSED */
                   2192: static int
1.102     kristaps 2193: termp_li_pre(DECL_ARGS)
                   2194: {
                   2195:
                   2196:        term_fontpush(p, TERMFONT_NONE);
                   2197:        return(1);
                   2198: }
                   2199:
                   2200:
                   2201: /* ARGSUSED */
                   2202: static int
1.1       kristaps 2203: termp_lk_pre(DECL_ARGS)
                   2204: {
1.240     schwarze 2205:        const struct mdoc_node *link, *descr;
1.1       kristaps 2206:
1.240     schwarze 2207:        if (NULL == (link = n->child))
                   2208:                return(0);
1.181     kristaps 2209:
1.240     schwarze 2210:        if (NULL != (descr = link->next)) {
                   2211:                term_fontpush(p, TERMFONT_UNDER);
                   2212:                while (NULL != descr) {
                   2213:                        term_word(p, descr->string);
                   2214:                        descr = descr->next;
                   2215:                }
                   2216:                p->flags |= TERMP_NOSPACE;
                   2217:                term_word(p, ":");
                   2218:                term_fontpop(p);
                   2219:        }
1.1       kristaps 2220:
1.102     kristaps 2221:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2222:        term_word(p, link->string);
1.102     kristaps 2223:        term_fontpop(p);
1.12      kristaps 2224:
1.1       kristaps 2225:        return(0);
                   2226: }
                   2227:
1.159     schwarze 2228:
                   2229: /* ARGSUSED */
                   2230: static int
                   2231: termp_bk_pre(DECL_ARGS)
                   2232: {
                   2233:
1.161     schwarze 2234:        switch (n->type) {
                   2235:        case (MDOC_BLOCK):
1.166     kristaps 2236:                break;
1.161     schwarze 2237:        case (MDOC_HEAD):
                   2238:                return(0);
                   2239:        case (MDOC_BODY):
1.200     schwarze 2240:                if (n->parent->args || 0 == n->prev->nchild)
                   2241:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2242:                break;
1.161     schwarze 2243:        default:
                   2244:                abort();
1.166     kristaps 2245:                /* NOTREACHED */
1.161     schwarze 2246:        }
1.166     kristaps 2247:
                   2248:        return(1);
1.159     schwarze 2249: }
                   2250:
                   2251:
                   2252: /* ARGSUSED */
                   2253: static void
                   2254: termp_bk_post(DECL_ARGS)
                   2255: {
                   2256:
1.253     schwarze 2257:        if (MDOC_BODY == n->type)
1.161     schwarze 2258:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2259: }
                   2260:
                   2261: /* ARGSUSED */
                   2262: static void
                   2263: termp__t_post(DECL_ARGS)
                   2264: {
                   2265:
                   2266:        /*
                   2267:         * If we're in an `Rs' and there's a journal present, then quote
                   2268:         * us instead of underlining us (for disambiguation).
                   2269:         */
1.217     schwarze 2270:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2271:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2272:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2273:
1.245     schwarze 2274:        termp____post(p, pair, meta, n);
1.203     kristaps 2275: }
                   2276:
                   2277: /* ARGSUSED */
                   2278: static int
                   2279: termp__t_pre(DECL_ARGS)
                   2280: {
                   2281:
                   2282:        /*
                   2283:         * If we're in an `Rs' and there's a journal present, then quote
                   2284:         * us instead of underlining us (for disambiguation).
                   2285:         */
                   2286:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.210     kristaps 2287:                        n->parent->norm->Rs.quote_T)
1.245     schwarze 2288:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2289:
                   2290:        term_fontpush(p, TERMFONT_UNDER);
                   2291:        return(1);
1.159     schwarze 2292: }
1.1       kristaps 2293:
                   2294: /* ARGSUSED */
                   2295: static int
1.69      kristaps 2296: termp_under_pre(DECL_ARGS)
1.1       kristaps 2297: {
                   2298:
1.102     kristaps 2299:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2300:        return(1);
                   2301: }

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