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Annotation of mandoc/mdoc_term.c, Revision 1.259

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

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