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Annotation of mandoc/mdoc_term.c, Revision 1.264

1.264   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.263 2014/04/08 07:13:12 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, \
1.264   ! 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 *);
1.264   ! schwarze   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 *);
1.264   ! schwarze   64: static void      synopsis_pre(struct termp *,
1.143     kristaps   65:                        const struct mdoc_node *);
1.96      kristaps   66:
1.31      kristaps   67: static void      termp____post(DECL_ARGS);
1.203     kristaps   68: static void      termp__t_post(DECL_ARGS);
1.61      kristaps   69: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   70: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   71: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   72: static void      termp_bl_post(DECL_ARGS);
1.241     schwarze   73: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_fo_post(DECL_ARGS);
                     75: static void      termp_in_post(DECL_ARGS);
                     76: static void      termp_it_post(DECL_ARGS);
                     77: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   78: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   80: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   81: static void      termp_sh_post(DECL_ARGS);
                     82: static void      termp_ss_post(DECL_ARGS);
                     83:
1.184     kristaps   84: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   85: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   86: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   87: static int       termp_ap_pre(DECL_ARGS);
                     88: static int       termp_bd_pre(DECL_ARGS);
                     89: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   90: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   91: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   92: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   93: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   94: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   95: static int       termp_cd_pre(DECL_ARGS);
                     96: static int       termp_d1_pre(DECL_ARGS);
                     97: static int       termp_ex_pre(DECL_ARGS);
                     98: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   99: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  100: static int       termp_fl_pre(DECL_ARGS);
                    101: static int       termp_fn_pre(DECL_ARGS);
                    102: static int       termp_fo_pre(DECL_ARGS);
                    103: static int       termp_ft_pre(DECL_ARGS);
                    104: static int       termp_in_pre(DECL_ARGS);
                    105: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  106: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  107: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  108: static int       termp_lk_pre(DECL_ARGS);
                    109: static int       termp_nd_pre(DECL_ARGS);
                    110: static int       termp_nm_pre(DECL_ARGS);
                    111: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  112: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  113: static int       termp_rs_pre(DECL_ARGS);
                    114: static int       termp_rv_pre(DECL_ARGS);
                    115: static int       termp_sh_pre(DECL_ARGS);
                    116: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  117: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  118: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  119: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  121: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  122: static int       termp_xr_pre(DECL_ARGS);
                    123: static int       termp_xx_pre(DECL_ARGS);
                    124:
1.70      kristaps  125: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  126:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  127:        { NULL, NULL }, /* Dd */
                    128:        { NULL, NULL }, /* Dt */
                    129:        { NULL, NULL }, /* Os */
                    130:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264   ! schwarze  131:        { termp_ss_pre, termp_ss_post }, /* Ss */
        !           132:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  133:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    134:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  135:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    136:        { NULL, NULL }, /* Ed */
1.115     kristaps  137:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  138:        { NULL, NULL }, /* El */
                    139:        { termp_it_pre, termp_it_post }, /* It */
1.264   ! schwarze  140:        { termp_under_pre, NULL }, /* Ad */
1.61      kristaps  141:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  142:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  143:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  144:        { termp_bold_pre, NULL }, /* Cm */
1.264   ! schwarze  145:        { NULL, NULL }, /* Dv */
        !           146:        { NULL, NULL }, /* Er */
        !           147:        { NULL, NULL }, /* Ev */
1.1       kristaps  148:        { termp_ex_pre, NULL }, /* Ex */
1.264   ! schwarze  149:        { termp_fa_pre, NULL }, /* Fa */
        !           150:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  151:        { termp_fl_pre, NULL }, /* Fl */
1.264   ! schwarze  152:        { termp_fn_pre, NULL }, /* Fn */
        !           153:        { termp_ft_pre, NULL }, /* Ft */
        !           154:        { termp_bold_pre, NULL }, /* Ic */
        !           155:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  156:        { termp_li_pre, NULL }, /* Li */
1.264   ! schwarze  157:        { termp_nd_pre, NULL }, /* Nd */
        !           158:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  159:        { termp_quote_pre, termp_quote_post }, /* Op */
1.1       kristaps  160:        { NULL, NULL }, /* Ot */
1.69      kristaps  161:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  162:        { termp_rv_pre, NULL }, /* Rv */
1.264   ! schwarze  163:        { NULL, NULL }, /* St */
1.69      kristaps  164:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  165:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  166:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  167:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  168:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  169:        { NULL, termp____post }, /* %D */
1.84      kristaps  170:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  171:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  172:        { NULL, termp____post }, /* %N */
                    173:        { NULL, termp____post }, /* %O */
                    174:        { NULL, termp____post }, /* %P */
                    175:        { NULL, termp____post }, /* %R */
1.203     kristaps  176:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  177:        { NULL, termp____post }, /* %V */
                    178:        { NULL, NULL }, /* Ac */
1.188     kristaps  179:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    180:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  181:        { NULL, NULL }, /* At */
1.1       kristaps  182:        { NULL, NULL }, /* Bc */
1.264   ! schwarze  183:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  184:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    185:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  186:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  187:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  188:        { NULL, NULL }, /* Db */
                    189:        { NULL, NULL }, /* Dc */
1.188     kristaps  190:        { termp_quote_pre, termp_quote_post }, /* Do */
                    191:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  192:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  193:        { NULL, NULL }, /* Ef */
1.264   ! schwarze  194:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  195:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  196:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  197:        { termp_bold_pre, NULL }, /* Ms */
1.254     schwarze  198:        { NULL, NULL }, /* No */
1.1       kristaps  199:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  200:        { termp_xx_pre, NULL }, /* Nx */
                    201:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  202:        { NULL, NULL }, /* Pc */
1.254     schwarze  203:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  204:        { termp_quote_pre, termp_quote_post }, /* Po */
                    205:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  206:        { NULL, NULL }, /* Qc */
1.188     kristaps  207:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    208:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    209:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  210:        { NULL, NULL }, /* Re */
                    211:        { termp_rs_pre, NULL }, /* Rs */
                    212:        { NULL, NULL }, /* Sc */
1.188     kristaps  213:        { termp_quote_pre, termp_quote_post }, /* So */
                    214:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  215:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  216:        { termp_under_pre, NULL }, /* Sx */
                    217:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  218:        { NULL, NULL }, /* Tn */
1.26      kristaps  219:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  220:        { NULL, NULL }, /* Xc */
                    221:        { NULL, NULL }, /* Xo */
1.264   ! schwarze  222:        { termp_fo_pre, termp_fo_post }, /* Fo */
        !           223:        { NULL, NULL }, /* Fc */
1.188     kristaps  224:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  225:        { NULL, NULL }, /* Oc */
1.159     schwarze  226:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  227:        { NULL, NULL }, /* Ek */
                    228:        { termp_bt_pre, NULL }, /* Bt */
                    229:        { NULL, NULL }, /* Hf */
                    230:        { NULL, NULL }, /* Fr */
                    231:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  232:        { NULL, termp_lb_post }, /* Lb */
1.264   ! schwarze  233:        { termp_sp_pre, NULL }, /* Lp */
        !           234:        { termp_lk_pre, NULL }, /* Lk */
        !           235:        { termp_under_pre, NULL }, /* Mt */
        !           236:        { termp_quote_pre, termp_quote_post }, /* Brq */
        !           237:        { termp_quote_pre, termp_quote_post }, /* Bro */
        !           238:        { NULL, NULL }, /* Brc */
        !           239:        { NULL, termp____post }, /* %C */
1.81      kristaps  240:        { NULL, NULL }, /* Es */ /* TODO */
                    241:        { NULL, NULL }, /* En */ /* TODO */
1.264   ! schwarze  242:        { termp_xx_pre, NULL }, /* Dx */
        !           243:        { NULL, termp____post }, /* %Q */
1.76      kristaps  244:        { termp_sp_pre, NULL }, /* br */
1.264   ! schwarze  245:        { termp_sp_pre, NULL }, /* sp */
        !           246:        { NULL, termp____post }, /* %U */
        !           247:        { NULL, NULL }, /* Ta */
1.260     schwarze  248:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  249: };
                    250:
                    251:
1.70      kristaps  252: void
1.89      kristaps  253: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  254: {
1.70      kristaps  255:        const struct mdoc_node  *n;
1.245     schwarze  256:        const struct mdoc_meta  *meta;
1.89      kristaps  257:        struct termp            *p;
                    258:
                    259:        p = (struct termp *)arg;
1.111     kristaps  260:
1.238     schwarze  261:        if (0 == p->defindent)
                    262:                p->defindent = 5;
                    263:
1.111     kristaps  264:        p->overstep = 0;
1.123     joerg     265:        p->maxrmargin = p->defrmargin;
1.157     kristaps  266:        p->tabwidth = term_len(p, 5);
1.89      kristaps  267:
                    268:        if (NULL == p->symtab)
1.230     kristaps  269:                p->symtab = mchars_alloc();
1.70      kristaps  270:
                    271:        n = mdoc_node(mdoc);
1.245     schwarze  272:        meta = mdoc_meta(mdoc);
1.146     schwarze  273:
1.245     schwarze  274:        term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70      kristaps  275:
                    276:        if (n->child)
1.245     schwarze  277:                print_mdoc_nodelist(p, NULL, meta, n->child);
1.144     kristaps  278:
                    279:        term_end(p);
1.1       kristaps  280: }
                    281:
1.3       kristaps  282: static void
1.102     kristaps  283: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  284: {
                    285:
1.245     schwarze  286:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  287:        if (n->next)
1.245     schwarze  288:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  289: }
                    290:
1.3       kristaps  291: static void
1.102     kristaps  292: print_mdoc_node(DECL_ARGS)
1.1       kristaps  293: {
1.102     kristaps  294:        int              chld;
1.1       kristaps  295:        struct termpair  npair;
1.30      kristaps  296:        size_t           offset, rmargin;
1.1       kristaps  297:
1.70      kristaps  298:        chld = 1;
1.29      kristaps  299:        offset = p->offset;
1.30      kristaps  300:        rmargin = p->rmargin;
1.244     schwarze  301:        n->prev_font = term_fontq(p);
1.29      kristaps  302:
1.97      kristaps  303:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  304:        npair.ppair = pair;
1.172     kristaps  305:
                    306:        /*
                    307:         * Keeps only work until the end of a line.  If a keep was
                    308:         * invoked in a prior line, revert it to PREKEEP.
                    309:         */
                    310:
1.253     schwarze  311:        if (TERMP_KEEP & p->flags) {
1.252     schwarze  312:                if (n->prev ? (n->prev->lastline != n->line) :
1.248     schwarze  313:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  314:                        p->flags &= ~TERMP_KEEP;
                    315:                        p->flags |= TERMP_PREKEEP;
                    316:                }
                    317:        }
1.197     schwarze  318:
                    319:        /*
1.217     schwarze  320:         * After the keep flags have been set up, we may now
                    321:         * produce output.  Note that some pre-handlers do so.
                    322:         */
                    323:
                    324:        switch (n->type) {
1.264   ! schwarze  325:        case MDOC_TEXT:
1.217     schwarze  326:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    327:                        term_newln(p);
1.222     kristaps  328:                if (MDOC_DELIMC & n->flags)
                    329:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  330:                term_word(p, n->string);
1.222     kristaps  331:                if (MDOC_DELIMO & n->flags)
                    332:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  333:                break;
1.264   ! schwarze  334:        case MDOC_EQN:
1.233     kristaps  335:                term_eqn(p, n->eqn);
1.217     schwarze  336:                break;
1.264   ! schwarze  337:        case MDOC_TBL:
1.217     schwarze  338:                term_tbl(p, n->span);
                    339:                break;
                    340:        default:
                    341:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    342:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  343:                                (p, &npair, meta, n);
1.217     schwarze  344:                break;
                    345:        }
                    346:
1.86      kristaps  347:        if (chld && n->child)
1.245     schwarze  348:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  349:
1.244     schwarze  350:        term_fontpopq(p,
                    351:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  352:
1.206     kristaps  353:        switch (n->type) {
1.264   ! schwarze  354:        case MDOC_TEXT:
1.206     kristaps  355:                break;
1.264   ! schwarze  356:        case MDOC_TBL:
1.216     kristaps  357:                break;
1.264   ! schwarze  358:        case MDOC_EQN:
1.206     kristaps  359:                break;
                    360:        default:
                    361:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    362:                        break;
1.245     schwarze  363:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  364:
                    365:                /*
                    366:                 * Explicit end tokens not only call the post
                    367:                 * handler, but also tell the respective block
                    368:                 * that it must not call the post handler again.
                    369:                 */
1.165     kristaps  370:                if (ENDBODY_NOT != n->end)
1.162     schwarze  371:                        n->pending->flags |= MDOC_ENDED;
                    372:
                    373:                /*
                    374:                 * End of line terminating an implicit block
                    375:                 * while an explicit block is still open.
                    376:                 * Continue the explicit block without spacing.
                    377:                 */
                    378:                if (ENDBODY_NOSPACE == n->end)
                    379:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  380:                break;
1.162     schwarze  381:        }
1.121     kristaps  382:
                    383:        if (MDOC_EOS & n->flags)
                    384:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  385:
1.260     schwarze  386:        if (MDOC_ll != n->tok) {
                    387:                p->offset = offset;
                    388:                p->rmargin = rmargin;
                    389:        }
1.1       kristaps  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:
1.264   ! schwarze  401:        /*
1.9       kristaps  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;
1.264   ! schwarze  412:        p->rmargin = (p->maxrmargin -
        !           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:
1.3       kristaps  441: static void
1.144     kristaps  442: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  443: {
1.98      kristaps  444:        char            buf[BUFSIZ], title[BUFSIZ];
1.235     schwarze  445:        size_t          buflen, titlen;
1.245     schwarze  446:        const struct mdoc_meta *meta;
1.144     kristaps  447:
1.245     schwarze  448:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  449:
                    450:        /*
                    451:         * The header is strange.  It has three components, which are
                    452:         * really two with the first duplicated.  It goes like this:
                    453:         *
                    454:         * IDENTIFIER              TITLE                   IDENTIFIER
                    455:         *
                    456:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    457:         * (if given, or "unknown" if not) followed by the manual page
                    458:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    459:         * string depending on the manual volume.  If not specified, it
                    460:         * switches on the manual section.
                    461:         */
                    462:
1.235     schwarze  463:        p->offset = 0;
                    464:        p->rmargin = p->maxrmargin;
                    465:
1.245     schwarze  466:        assert(meta->vol);
                    467:        strlcpy(buf, meta->vol, BUFSIZ);
1.235     schwarze  468:        buflen = term_strlen(p, buf);
1.1       kristaps  469:
1.245     schwarze  470:        if (meta->arch) {
1.98      kristaps  471:                strlcat(buf, " (", BUFSIZ);
1.245     schwarze  472:                strlcat(buf, meta->arch, BUFSIZ);
1.98      kristaps  473:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  474:        }
                    475:
1.245     schwarze  476:        snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.235     schwarze  477:        titlen = term_strlen(p, title);
1.1       kristaps  478:
1.235     schwarze  479:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  480:        p->trailspace = 1;
1.1       kristaps  481:        p->offset = 0;
1.235     schwarze  482:        p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
                    483:            (p->maxrmargin -
                    484:             term_strlen(p, buf) + term_len(p, 1)) / 2 :
                    485:            p->maxrmargin - buflen;
1.1       kristaps  486:
                    487:        term_word(p, title);
                    488:        term_flushln(p);
                    489:
1.235     schwarze  490:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  491:        p->offset = p->rmargin;
1.235     schwarze  492:        p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
                    493:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  494:
                    495:        term_word(p, buf);
                    496:        term_flushln(p);
                    497:
                    498:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  499:        p->trailspace = 0;
1.235     schwarze  500:        if (p->rmargin + titlen <= p->maxrmargin) {
                    501:                p->flags |= TERMP_NOSPACE;
                    502:                p->offset = p->rmargin;
                    503:                p->rmargin = p->maxrmargin;
                    504:                term_word(p, title);
                    505:                term_flushln(p);
                    506:        }
1.1       kristaps  507:
1.235     schwarze  508:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  509:        p->offset = 0;
1.1       kristaps  510:        p->rmargin = p->maxrmargin;
                    511: }
                    512:
                    513: static size_t
1.157     kristaps  514: a2height(const struct termp *p, const char *v)
1.1       kristaps  515: {
1.92      kristaps  516:        struct roffsu    su;
1.91      kristaps  517:
1.231     kristaps  518:
1.157     kristaps  519:        assert(v);
                    520:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  521:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  522:
1.157     kristaps  523:        return(term_vspan(p, &su));
1.91      kristaps  524: }
1.1       kristaps  525:
1.91      kristaps  526: static size_t
1.157     kristaps  527: a2width(const struct termp *p, const char *v)
1.91      kristaps  528: {
1.92      kristaps  529:        struct roffsu    su;
1.1       kristaps  530:
1.154     kristaps  531:        assert(v);
                    532:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  533:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  534:
1.157     kristaps  535:        return(term_hspan(p, &su));
1.1       kristaps  536: }
                    537:
                    538: static size_t
1.157     kristaps  539: a2offs(const struct termp *p, const char *v)
1.1       kristaps  540: {
1.92      kristaps  541:        struct roffsu    su;
1.1       kristaps  542:
1.148     kristaps  543:        if ('\0' == *v)
1.91      kristaps  544:                return(0);
1.148     kristaps  545:        else if (0 == strcmp(v, "left"))
1.19      kristaps  546:                return(0);
1.148     kristaps  547:        else if (0 == strcmp(v, "indent"))
1.238     schwarze  548:                return(term_len(p, p->defindent + 1));
1.148     kristaps  549:        else if (0 == strcmp(v, "indent-two"))
1.238     schwarze  550:                return(term_len(p, (p->defindent + 1) * 2));
1.148     kristaps  551:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  552:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  553:
1.157     kristaps  554:        return(term_hspan(p, &su));
1.1       kristaps  555: }
                    556:
1.108     kristaps  557: /*
                    558:  * Determine how much space to print out before block elements of `It'
                    559:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    560:  * too.
                    561:  */
1.54      kristaps  562: static void
1.264   ! schwarze  563: print_bvspace(struct termp *p,
        !           564:        const struct mdoc_node *bl,
        !           565:        const struct mdoc_node *n)
1.1       kristaps  566: {
1.86      kristaps  567:        const struct mdoc_node  *nn;
1.236     schwarze  568:
                    569:        assert(n);
1.1       kristaps  570:
                    571:        term_newln(p);
1.150     kristaps  572:
1.202     kristaps  573:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  574:                return;
1.202     kristaps  575:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  576:                return;
                    577:
1.85      kristaps  578:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  579:
1.86      kristaps  580:        for (nn = n; nn; nn = nn->parent) {
                    581:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  582:                        continue;
1.86      kristaps  583:                if (MDOC_Ss == nn->tok)
1.54      kristaps  584:                        return;
1.86      kristaps  585:                if (MDOC_Sh == nn->tok)
1.54      kristaps  586:                        return;
1.86      kristaps  587:                if (NULL == nn->prev)
1.1       kristaps  588:                        continue;
                    589:                break;
                    590:        }
                    591:
1.85      kristaps  592:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  593:
1.202     kristaps  594:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  595:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  596:                        return;
                    597:
1.85      kristaps  598:        /* A `-diag' without body does not vspace. */
                    599:
1.202     kristaps  600:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  601:                if (n->prev && MDOC_It == n->prev->tok) {
                    602:                        assert(n->prev->body);
                    603:                        if (NULL == n->prev->body->child)
1.55      kristaps  604:                                return;
                    605:                }
                    606:
1.54      kristaps  607:        term_vspace(p);
1.260     schwarze  608: }
                    609:
                    610:
                    611: static int
                    612: termp_ll_pre(DECL_ARGS)
                    613: {
                    614:
1.261     schwarze  615:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  616:        return(0);
1.1       kristaps  617: }
                    618:
                    619: static int
                    620: termp_it_pre(DECL_ARGS)
                    621: {
1.86      kristaps  622:        const struct mdoc_node *bl, *nn;
1.264   ! schwarze  623:        char                    buf[7];
        !           624:        int                     i;
        !           625:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  626:        enum mdoc_list          type;
1.1       kristaps  627:
1.86      kristaps  628:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  629:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  630:                return(1);
                    631:        }
1.1       kristaps  632:
1.86      kristaps  633:        bl = n->parent->parent->parent;
1.202     kristaps  634:        type = bl->norm->Bl.type;
1.1       kristaps  635:
1.264   ! schwarze  636:        /*
1.108     kristaps  637:         * First calculate width and offset.  This is pretty easy unless
                    638:         * we're a -column list, in which case all prior columns must
                    639:         * be accounted for.
                    640:         */
                    641:
                    642:        width = offset = 0;
                    643:
1.202     kristaps  644:        if (bl->norm->Bl.offs)
                    645:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  646:
1.1       kristaps  647:        switch (type) {
1.264   ! schwarze  648:        case LIST_column:
1.134     kristaps  649:                if (MDOC_HEAD == n->type)
1.1       kristaps  650:                        break;
1.155     kristaps  651:
1.105     kristaps  652:                /*
1.108     kristaps  653:                 * Imitate groff's column handling:
                    654:                 * - For each earlier column, add its width.
                    655:                 * - For less than 5 columns, add four more blanks per
                    656:                 *   column.
                    657:                 * - For exactly 5 columns, add three more blank per
                    658:                 *   column.
                    659:                 * - For more than 5 columns, add only one column.
1.105     kristaps  660:                 */
1.202     kristaps  661:                ncols = bl->norm->Bl.ncols;
1.264   ! schwarze  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:
1.264   ! schwarze  670:                for (i = 0, nn = n->prev;
        !           671:                    nn->prev && i < (int)ncols;
        !           672:                    nn = nn->prev, i++)
        !           673:                        offset += dcol + a2width(p,
        !           674:                            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:
1.264   ! schwarze  695:                /*
1.108     kristaps  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:
1.264   ! schwarze  705:        /*
1.1       kristaps  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) {
1.264   ! schwarze  712:        case LIST_bullet:
1.1       kristaps  713:                /* FALLTHROUGH */
1.264   ! schwarze  714:        case LIST_dash:
1.1       kristaps  715:                /* FALLTHROUGH */
1.264   ! schwarze  716:        case LIST_hyphen:
1.242     schwarze  717:                /* FALLTHROUGH */
1.264   ! schwarze  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;
1.264   ! schwarze  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;
1.264   ! schwarze  726:        case LIST_column:
1.49      kristaps  727:                /* FALLTHROUGH */
1.264   ! schwarze  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:
1.264   ! schwarze  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) {
1.264   ! schwarze  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;
1.264   ! schwarze  748:        case LIST_inset:
        !           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) {
1.264   ! schwarze  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) {
1.264   ! schwarze  775:        case LIST_enum:
1.242     schwarze  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 */
1.264   ! schwarze  783:        case LIST_bullet:
1.1       kristaps  784:                /* FALLTHROUGH */
1.264   ! schwarze  785:        case LIST_dash:
1.1       kristaps  786:                /* FALLTHROUGH */
1.264   ! schwarze  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;
1.264   ! schwarze  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:                 */
1.264   ! schwarze  803:                if (n->next->child &&
        !           804:                    (MDOC_Bl == n->next->child->tok ||
        !           805:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  806:                        break;
                    807:
1.263     schwarze  808:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  809:                p->trailspace = 1;
1.39      kristaps  810:                break;
1.264   ! schwarze  811:        case LIST_tag:
1.86      kristaps  812:                if (MDOC_HEAD != n->type)
1.39      kristaps  813:                        break;
1.250     schwarze  814:
1.263     schwarze  815:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  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;
1.264   ! schwarze  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;
1.264   ! schwarze  834:        case LIST_diag:
1.250     schwarze  835:                if (MDOC_HEAD != n->type)
                    836:                        break;
1.263     schwarze  837:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  838:                p->trailspace = 1;
1.1       kristaps  839:                break;
                    840:        default:
                    841:                break;
                    842:        }
                    843:
1.264   ! schwarze  844:        /*
1.1       kristaps  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) {
1.264   ! schwarze  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 &&
1.264   ! schwarze  860:                    (MDOC_Bl == n->next->child->tok ||
        !           861:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  862:                        break;
                    863:                /* FALLTHROUGH */
1.264   ! schwarze  864:        case LIST_bullet:
1.1       kristaps  865:                /* FALLTHROUGH */
1.264   ! schwarze  866:        case LIST_dash:
1.1       kristaps  867:                /* FALLTHROUGH */
1.264   ! schwarze  868:        case LIST_enum:
1.1       kristaps  869:                /* FALLTHROUGH */
1.264   ! schwarze  870:        case LIST_hyphen:
1.1       kristaps  871:                /* FALLTHROUGH */
1.264   ! schwarze  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;
1.264   ! schwarze  882:        case LIST_column:
1.49      kristaps  883:                assert(width);
1.1       kristaps  884:                p->rmargin = p->offset + width;
1.264   ! schwarze  885:                /*
1.50      kristaps  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:
1.264   ! schwarze  898:        /*
1.1       kristaps  899:         * The dash, hyphen, bullet and enum lists all have a special
1.264   ! schwarze  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) {
1.264   ! schwarze  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;
1.264   ! schwarze  910:                case LIST_dash:
1.1       kristaps  911:                        /* FALLTHROUGH */
1.264   ! schwarze  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;
1.264   ! schwarze  917:                case LIST_enum:
1.1       kristaps  918:                        (pair->ppair->ppair->count)++;
1.264   ! schwarze  919:                        snprintf(buf, sizeof(buf), "%d.",
        !           920:                            pair->ppair->ppair->count);
1.1       kristaps  921:                        term_word(p, buf);
                    922:                        break;
                    923:                default:
                    924:                        break;
                    925:                }
                    926:
1.264   ! schwarze  927:        /*
1.1       kristaps  928:         * If we're not going to process our children, indicate so here.
                    929:         */
                    930:
                    931:        switch (type) {
1.264   ! schwarze  932:        case LIST_bullet:
1.1       kristaps  933:                /* FALLTHROUGH */
1.264   ! schwarze  934:        case LIST_item:
1.1       kristaps  935:                /* FALLTHROUGH */
1.264   ! schwarze  936:        case LIST_dash:
1.1       kristaps  937:                /* FALLTHROUGH */
1.264   ! schwarze  938:        case LIST_hyphen:
1.1       kristaps  939:                /* FALLTHROUGH */
1.264   ! schwarze  940:        case LIST_enum:
1.86      kristaps  941:                if (MDOC_HEAD == n->type)
1.1       kristaps  942:                        return(0);
                    943:                break;
1.264   ! schwarze  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: static void
                    956: termp_it_post(DECL_ARGS)
                    957: {
1.126     kristaps  958:        enum mdoc_list     type;
1.1       kristaps  959:
1.109     kristaps  960:        if (MDOC_BLOCK == n->type)
1.1       kristaps  961:                return;
                    962:
1.202     kristaps  963:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  964:
                    965:        switch (type) {
1.264   ! schwarze  966:        case LIST_item:
1.1       kristaps  967:                /* FALLTHROUGH */
1.264   ! schwarze  968:        case LIST_diag:
1.53      kristaps  969:                /* FALLTHROUGH */
1.264   ! schwarze  970:        case LIST_inset:
1.86      kristaps  971:                if (MDOC_BODY == n->type)
1.130     schwarze  972:                        term_newln(p);
1.1       kristaps  973:                break;
1.264   ! schwarze  974:        case LIST_column:
1.134     kristaps  975:                if (MDOC_BODY == n->type)
1.1       kristaps  976:                        term_flushln(p);
                    977:                break;
                    978:        default:
1.130     schwarze  979:                term_newln(p);
1.1       kristaps  980:                break;
                    981:        }
                    982:
1.264   ! schwarze  983:        /*
1.109     kristaps  984:         * Now that our output is flushed, we can reset our tags.  Since
                    985:         * only `It' sets these flags, we're free to assume that nobody
                    986:         * has munged them in the meanwhile.
                    987:         */
                    988:
1.263     schwarze  989:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                    990:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  991:        p->trailspace = 0;
1.1       kristaps  992: }
                    993:
                    994: static int
                    995: termp_nm_pre(DECL_ARGS)
                    996: {
                    997:
1.253     schwarze  998:        if (MDOC_BLOCK == n->type) {
                    999:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1000:                return(1);
1.253     schwarze 1001:        }
1.164     schwarze 1002:
                   1003:        if (MDOC_BODY == n->type) {
                   1004:                if (NULL == n->child)
                   1005:                        return(0);
1.234     schwarze 1006:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1007:                p->offset += term_len(p, 1) +
1.245     schwarze 1008:                    (NULL == n->prev->child ?
                   1009:                     term_strlen(p, meta->name) :
1.164     schwarze 1010:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1011:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1012:                     term_len(p, 5));
1.262     schwarze 1013:                if (p->rmargin < p->offset)
                   1014:                        p->rmargin = p->offset;
1.164     schwarze 1015:                return(1);
                   1016:        }
                   1017:
1.245     schwarze 1018:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1019:                return(0);
1.125     kristaps 1020:
1.177     schwarze 1021:        if (MDOC_HEAD == n->type)
                   1022:                synopsis_pre(p, n->parent);
1.102     kristaps 1023:
1.164     schwarze 1024:        if (MDOC_HEAD == n->type && n->next->child) {
1.263     schwarze 1025:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1026:                p->trailspace = 1;
1.185     schwarze 1027:                p->rmargin = p->offset + term_len(p, 1);
                   1028:                if (NULL == n->child) {
1.245     schwarze 1029:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1030:                } else if (MDOC_TEXT == n->child->type) {
                   1031:                        p->rmargin += term_strlen(p, n->child->string);
                   1032:                        if (n->child->next)
                   1033:                                p->flags |= TERMP_HANG;
                   1034:                } else {
                   1035:                        p->rmargin += term_len(p, 5);
                   1036:                        p->flags |= TERMP_HANG;
                   1037:                }
1.164     schwarze 1038:        }
                   1039:
1.102     kristaps 1040:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1041:        if (NULL == n->child)
1.245     schwarze 1042:                term_word(p, meta->name);
1.1       kristaps 1043:        return(1);
                   1044: }
                   1045:
1.164     schwarze 1046: static void
                   1047: termp_nm_post(DECL_ARGS)
                   1048: {
                   1049:
1.253     schwarze 1050:        if (MDOC_BLOCK == n->type) {
                   1051:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
                   1052:        } else if (MDOC_HEAD == n->type && n->next->child) {
1.164     schwarze 1053:                term_flushln(p);
1.263     schwarze 1054:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1055:                p->trailspace = 0;
1.234     schwarze 1056:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1057:                term_flushln(p);
                   1058: }
                   1059:
1.1       kristaps 1060: static int
                   1061: termp_fl_pre(DECL_ARGS)
                   1062: {
                   1063:
1.102     kristaps 1064:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1065:        term_word(p, "\\-");
1.103     kristaps 1066:
                   1067:        if (n->child)
1.114     kristaps 1068:                p->flags |= TERMP_NOSPACE;
                   1069:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1070:                p->flags |= TERMP_NOSPACE;
                   1071:
1.1       kristaps 1072:        return(1);
                   1073: }
                   1074:
                   1075: static int
1.184     kristaps 1076: termp__a_pre(DECL_ARGS)
                   1077: {
                   1078:
                   1079:        if (n->prev && MDOC__A == n->prev->tok)
                   1080:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1081:                        term_word(p, "and");
                   1082:
                   1083:        return(1);
                   1084: }
                   1085:
                   1086: static int
1.61      kristaps 1087: termp_an_pre(DECL_ARGS)
                   1088: {
                   1089:
1.86      kristaps 1090:        if (NULL == n->child)
1.61      kristaps 1091:                return(1);
                   1092:
                   1093:        /*
1.85      kristaps 1094:         * If not in the AUTHORS section, `An -split' will cause
                   1095:         * newlines to occur before the author name.  If in the AUTHORS
                   1096:         * section, by default, the first `An' invocation is nosplit,
                   1097:         * then all subsequent ones, regardless of whether interspersed
                   1098:         * with other macros/text, are split.  -split, in this case,
                   1099:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1100:         */
1.264   ! schwarze 1101:
1.86      kristaps 1102:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1103:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1104:                        if (TERMP_SPLIT & p->flags)
                   1105:                                term_newln(p);
                   1106:                        return(1);
                   1107:                }
                   1108:                if (TERMP_NOSPLIT & p->flags)
                   1109:                        return(1);
                   1110:                term_newln(p);
                   1111:                return(1);
                   1112:        }
                   1113:
                   1114:        if (TERMP_SPLIT & p->flags)
                   1115:                term_newln(p);
                   1116:
                   1117:        return(1);
                   1118: }
                   1119:
                   1120: static void
                   1121: termp_an_post(DECL_ARGS)
                   1122: {
                   1123:
1.86      kristaps 1124:        if (n->child) {
                   1125:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1126:                        p->flags |= TERMP_ANPREC;
                   1127:                return;
                   1128:        }
                   1129:
1.202     kristaps 1130:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1131:                p->flags &= ~TERMP_NOSPLIT;
                   1132:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1133:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1134:                p->flags &= ~TERMP_SPLIT;
                   1135:                p->flags |= TERMP_NOSPLIT;
                   1136:        }
                   1137:
                   1138: }
                   1139:
                   1140: static int
1.1       kristaps 1141: termp_ns_pre(DECL_ARGS)
                   1142: {
                   1143:
1.215     kristaps 1144:        if ( ! (MDOC_LINE & n->flags))
                   1145:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1146:        return(1);
                   1147: }
                   1148:
                   1149: static int
                   1150: termp_rs_pre(DECL_ARGS)
                   1151: {
                   1152:
1.86      kristaps 1153:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1154:                return(1);
1.86      kristaps 1155:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1156:                term_vspace(p);
                   1157:        return(1);
                   1158: }
                   1159:
                   1160: static int
                   1161: termp_rv_pre(DECL_ARGS)
                   1162: {
1.223     kristaps 1163:        int              nchild;
1.1       kristaps 1164:
                   1165:        term_newln(p);
                   1166:        term_word(p, "The");
                   1167:
1.223     kristaps 1168:        nchild = n->nchild;
                   1169:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1170:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1171:                term_word(p, n->string);
1.102     kristaps 1172:                term_fontpop(p);
1.224     kristaps 1173:
1.68      kristaps 1174:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1175:                term_word(p, "()");
                   1176:
                   1177:                if (nchild > 2 && n->next) {
                   1178:                        p->flags |= TERMP_NOSPACE;
                   1179:                        term_word(p, ",");
                   1180:                }
                   1181:
                   1182:                if (n->next && NULL == n->next->next)
                   1183:                        term_word(p, "and");
1.68      kristaps 1184:        }
                   1185:
1.223     kristaps 1186:        if (nchild > 1)
1.68      kristaps 1187:                term_word(p, "functions return");
                   1188:        else
                   1189:                term_word(p, "function returns");
1.1       kristaps 1190:
1.264   ! schwarze 1191:        term_word(p, "the value 0 if successful; otherwise the "
        !          1192:            "value -1 is returned and the global variable");
1.1       kristaps 1193:
1.102     kristaps 1194:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1195:        term_word(p, "errno");
1.102     kristaps 1196:        term_fontpop(p);
1.1       kristaps 1197:
1.264   ! schwarze 1198:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1199:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1200:
1.68      kristaps 1201:        return(0);
1.1       kristaps 1202: }
                   1203:
                   1204: static int
                   1205: termp_ex_pre(DECL_ARGS)
                   1206: {
1.224     kristaps 1207:        int              nchild;
1.1       kristaps 1208:
1.224     kristaps 1209:        term_newln(p);
1.68      kristaps 1210:        term_word(p, "The");
1.1       kristaps 1211:
1.224     kristaps 1212:        nchild = n->nchild;
                   1213:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1214:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1215:                term_word(p, n->string);
1.102     kristaps 1216:                term_fontpop(p);
1.224     kristaps 1217:
                   1218:                if (nchild > 2 && n->next) {
                   1219:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1220:                        term_word(p, ",");
1.224     kristaps 1221:                }
                   1222:
                   1223:                if (n->next && NULL == n->next->next)
                   1224:                        term_word(p, "and");
1.68      kristaps 1225:        }
                   1226:
1.224     kristaps 1227:        if (nchild > 1)
1.68      kristaps 1228:                term_word(p, "utilities exit");
                   1229:        else
                   1230:                term_word(p, "utility exits");
                   1231:
1.264   ! schwarze 1232:        term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1233:
1.131     kristaps 1234:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1235:        return(0);
1.1       kristaps 1236: }
                   1237:
                   1238: static int
                   1239: termp_nd_pre(DECL_ARGS)
                   1240: {
1.25      kristaps 1241:
1.86      kristaps 1242:        if (MDOC_BODY != n->type)
1.25      kristaps 1243:                return(1);
1.30      kristaps 1244:
1.27      kristaps 1245: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1246:        term_word(p, "\\(en");
1.23      kristaps 1247: #else
                   1248:        term_word(p, "\\(em");
                   1249: #endif
1.1       kristaps 1250:        return(1);
1.115     kristaps 1251: }
                   1252:
                   1253: static int
                   1254: termp_bl_pre(DECL_ARGS)
                   1255: {
                   1256:
                   1257:        return(MDOC_HEAD != n->type);
1.1       kristaps 1258: }
                   1259:
                   1260: static void
                   1261: termp_bl_post(DECL_ARGS)
                   1262: {
                   1263:
1.86      kristaps 1264:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1265:                term_newln(p);
                   1266: }
                   1267:
                   1268: static int
                   1269: termp_xr_pre(DECL_ARGS)
                   1270: {
                   1271:
1.225     kristaps 1272:        if (NULL == (n = n->child))
1.113     kristaps 1273:                return(0);
                   1274:
1.225     kristaps 1275:        assert(MDOC_TEXT == n->type);
                   1276:        term_word(p, n->string);
1.11      kristaps 1277:
1.264   ! schwarze 1278:        if (NULL == (n = n->next))
1.1       kristaps 1279:                return(0);
1.225     kristaps 1280:
1.1       kristaps 1281:        p->flags |= TERMP_NOSPACE;
                   1282:        term_word(p, "(");
1.222     kristaps 1283:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1284:
                   1285:        assert(MDOC_TEXT == n->type);
                   1286:        term_word(p, n->string);
                   1287:
1.222     kristaps 1288:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1289:        term_word(p, ")");
1.86      kristaps 1290:
1.1       kristaps 1291:        return(0);
                   1292: }
                   1293:
1.143     kristaps 1294: /*
                   1295:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1296:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1297:  * macro combos).
                   1298:  */
                   1299: static void
                   1300: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1301: {
1.264   ! schwarze 1302:        /*
1.143     kristaps 1303:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1304:         * exist, do nothing.
                   1305:         */
1.160     kristaps 1306:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1307:                return;
                   1308:
                   1309:        /*
                   1310:         * If we're the second in a pair of like elements, emit our
                   1311:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1312:         * case we soldier on.
                   1313:         */
1.264   ! schwarze 1314:        if (n->prev->tok == n->tok &&
        !          1315:            MDOC_Ft != n->tok &&
        !          1316:            MDOC_Fo != n->tok &&
        !          1317:            MDOC_Fn != n->tok) {
1.143     kristaps 1318:                term_newln(p);
                   1319:                return;
                   1320:        }
                   1321:
                   1322:        /*
                   1323:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1324:         * another (or Fn/Fo, which we've let slip through) then assert
                   1325:         * vertical space, else only newline and move on.
                   1326:         */
                   1327:        switch (n->prev->tok) {
1.264   ! schwarze 1328:        case MDOC_Fd:
1.143     kristaps 1329:                /* FALLTHROUGH */
1.264   ! schwarze 1330:        case MDOC_Fn:
1.143     kristaps 1331:                /* FALLTHROUGH */
1.264   ! schwarze 1332:        case MDOC_Fo:
1.143     kristaps 1333:                /* FALLTHROUGH */
1.264   ! schwarze 1334:        case MDOC_In:
1.143     kristaps 1335:                /* FALLTHROUGH */
1.264   ! schwarze 1336:        case MDOC_Vt:
1.143     kristaps 1337:                term_vspace(p);
                   1338:                break;
1.264   ! schwarze 1339:        case MDOC_Ft:
1.143     kristaps 1340:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1341:                        term_vspace(p);
                   1342:                        break;
                   1343:                }
                   1344:                /* FALLTHROUGH */
                   1345:        default:
                   1346:                term_newln(p);
                   1347:                break;
                   1348:        }
                   1349: }
                   1350:
1.110     kristaps 1351: static int
                   1352: termp_vt_pre(DECL_ARGS)
                   1353: {
                   1354:
1.143     kristaps 1355:        if (MDOC_ELEM == n->type) {
                   1356:                synopsis_pre(p, n);
1.245     schwarze 1357:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1358:        } else if (MDOC_BLOCK == n->type) {
                   1359:                synopsis_pre(p, n);
                   1360:                return(1);
                   1361:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1362:                return(0);
                   1363:
1.245     schwarze 1364:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1365: }
                   1366:
1.1       kristaps 1367: static int
1.69      kristaps 1368: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1369: {
                   1370:
1.102     kristaps 1371:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1372:        return(1);
                   1373: }
                   1374:
1.143     kristaps 1375: static int
                   1376: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1377: {
                   1378:
1.143     kristaps 1379:        synopsis_pre(p, n);
1.245     schwarze 1380:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1381: }
                   1382:
1.241     schwarze 1383: static void
                   1384: termp_fd_post(DECL_ARGS)
                   1385: {
                   1386:
                   1387:        term_newln(p);
                   1388: }
                   1389:
1.1       kristaps 1390: static int
                   1391: termp_sh_pre(DECL_ARGS)
                   1392: {
1.85      kristaps 1393:
                   1394:        /* No vspace between consecutive `Sh' calls. */
                   1395:
1.86      kristaps 1396:        switch (n->type) {
1.264   ! schwarze 1397:        case MDOC_BLOCK:
1.86      kristaps 1398:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1399:                        if (NULL == n->prev->body->child)
1.65      kristaps 1400:                                break;
                   1401:                term_vspace(p);
                   1402:                break;
1.264   ! schwarze 1403:        case MDOC_HEAD:
1.102     kristaps 1404:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1405:                break;
1.264   ! schwarze 1406:        case MDOC_BODY:
1.238     schwarze 1407:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1408:                if (SEC_AUTHORS == n->sec)
                   1409:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1410:                break;
                   1411:        default:
                   1412:                break;
                   1413:        }
                   1414:        return(1);
                   1415: }
                   1416:
                   1417: static void
                   1418: termp_sh_post(DECL_ARGS)
                   1419: {
                   1420:
1.86      kristaps 1421:        switch (n->type) {
1.264   ! schwarze 1422:        case MDOC_HEAD:
1.1       kristaps 1423:                term_newln(p);
                   1424:                break;
1.264   ! schwarze 1425:        case MDOC_BODY:
1.1       kristaps 1426:                term_newln(p);
                   1427:                p->offset = 0;
                   1428:                break;
                   1429:        default:
                   1430:                break;
                   1431:        }
                   1432: }
                   1433:
                   1434: static int
                   1435: termp_bt_pre(DECL_ARGS)
                   1436: {
                   1437:
                   1438:        term_word(p, "is currently in beta test.");
1.131     kristaps 1439:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1440:        return(0);
1.1       kristaps 1441: }
                   1442:
                   1443: static void
                   1444: termp_lb_post(DECL_ARGS)
                   1445: {
                   1446:
1.122     kristaps 1447:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1448:                term_newln(p);
1.1       kristaps 1449: }
                   1450:
                   1451: static int
                   1452: termp_ud_pre(DECL_ARGS)
                   1453: {
                   1454:
                   1455:        term_word(p, "currently under development.");
1.131     kristaps 1456:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1457:        return(0);
1.1       kristaps 1458: }
                   1459:
                   1460: static int
                   1461: termp_d1_pre(DECL_ARGS)
                   1462: {
                   1463:
1.86      kristaps 1464:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1465:                return(1);
                   1466:        term_newln(p);
1.238     schwarze 1467:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1468:        return(1);
                   1469: }
                   1470:
                   1471: static int
                   1472: termp_ft_pre(DECL_ARGS)
                   1473: {
                   1474:
1.141     kristaps 1475:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1476:        synopsis_pre(p, n);
1.102     kristaps 1477:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1478:        return(1);
                   1479: }
                   1480:
                   1481: static int
                   1482: termp_fn_pre(DECL_ARGS)
                   1483: {
1.257     schwarze 1484:        size_t           rmargin = 0;
1.226     kristaps 1485:        int              pretty;
                   1486:
                   1487:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1488:
1.143     kristaps 1489:        synopsis_pre(p, n);
1.139     kristaps 1490:
1.226     kristaps 1491:        if (NULL == (n = n->child))
                   1492:                return(0);
                   1493:
1.251     schwarze 1494:        if (pretty) {
                   1495:                rmargin = p->rmargin;
1.257     schwarze 1496:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1497:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1498:        }
                   1499:
1.226     kristaps 1500:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1501:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1502:        term_word(p, n->string);
1.102     kristaps 1503:        term_fontpop(p);
1.1       kristaps 1504:
1.251     schwarze 1505:        if (pretty) {
                   1506:                term_flushln(p);
1.263     schwarze 1507:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1508:                p->offset = p->rmargin;
                   1509:                p->rmargin = rmargin;
                   1510:        }
                   1511:
1.1       kristaps 1512:        p->flags |= TERMP_NOSPACE;
                   1513:        term_word(p, "(");
1.222     kristaps 1514:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1515:
1.226     kristaps 1516:        for (n = n->next; n; n = n->next) {
                   1517:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1518:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1519:                if (pretty)
                   1520:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1521:                term_word(p, n->string);
1.102     kristaps 1522:                term_fontpop(p);
                   1523:
1.226     kristaps 1524:                if (n->next) {
1.222     kristaps 1525:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1526:                        term_word(p, ",");
1.222     kristaps 1527:                }
1.1       kristaps 1528:        }
                   1529:
1.222     kristaps 1530:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1531:        term_word(p, ")");
                   1532:
1.226     kristaps 1533:        if (pretty) {
1.222     kristaps 1534:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1535:                term_word(p, ";");
1.251     schwarze 1536:                term_flushln(p);
1.222     kristaps 1537:        }
1.1       kristaps 1538:
                   1539:        return(0);
                   1540: }
                   1541:
                   1542: static int
                   1543: termp_fa_pre(DECL_ARGS)
                   1544: {
1.86      kristaps 1545:        const struct mdoc_node  *nn;
1.1       kristaps 1546:
1.86      kristaps 1547:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1548:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1549:                return(1);
                   1550:        }
                   1551:
1.86      kristaps 1552:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1553:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1554:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1555:                term_word(p, nn->string);
1.102     kristaps 1556:                term_fontpop(p);
                   1557:
1.256     schwarze 1558:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1559:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1560:                        term_word(p, ",");
1.222     kristaps 1561:                }
1.1       kristaps 1562:        }
                   1563:
                   1564:        return(0);
                   1565: }
                   1566:
                   1567: static int
                   1568: termp_bd_pre(DECL_ARGS)
                   1569: {
1.179     kristaps 1570:        size_t                   tabwidth, rm, rmax;
1.244     schwarze 1571:        struct mdoc_node        *nn;
1.1       kristaps 1572:
1.86      kristaps 1573:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1574:                print_bvspace(p, n, n);
1.54      kristaps 1575:                return(1);
1.116     kristaps 1576:        } else if (MDOC_HEAD == n->type)
                   1577:                return(0);
1.1       kristaps 1578:
1.202     kristaps 1579:        if (n->norm->Bd.offs)
                   1580:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1581:
                   1582:        /*
                   1583:         * If -ragged or -filled are specified, the block does nothing
                   1584:         * but change the indentation.  If -unfilled or -literal are
                   1585:         * specified, text is printed exactly as entered in the display:
                   1586:         * for macro lines, a newline is appended to the line.  Blank
                   1587:         * lines are allowed.
                   1588:         */
1.264   ! schwarze 1589:
        !          1590:        if (DISP_literal != n->norm->Bd.type &&
        !          1591:            DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1592:                return(1);
                   1593:
1.129     schwarze 1594:        tabwidth = p->tabwidth;
1.208     kristaps 1595:        if (DISP_literal == n->norm->Bd.type)
                   1596:                p->tabwidth = term_len(p, 8);
                   1597:
1.119     kristaps 1598:        rm = p->rmargin;
                   1599:        rmax = p->maxrmargin;
1.120     kristaps 1600:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1601:
1.86      kristaps 1602:        for (nn = n->child; nn; nn = nn->next) {
1.245     schwarze 1603:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1604:                /*
                   1605:                 * If the printed node flushes its own line, then we
                   1606:                 * needn't do it here as well.  This is hacky, but the
                   1607:                 * notion of selective eoln whitespace is pretty dumb
                   1608:                 * anyway, so don't sweat it.
                   1609:                 */
                   1610:                switch (nn->tok) {
1.264   ! schwarze 1611:                case MDOC_Sm:
1.193     kristaps 1612:                        /* FALLTHROUGH */
1.264   ! schwarze 1613:                case MDOC_br:
1.190     kristaps 1614:                        /* FALLTHROUGH */
1.264   ! schwarze 1615:                case MDOC_sp:
1.190     kristaps 1616:                        /* FALLTHROUGH */
1.264   ! schwarze 1617:                case MDOC_Bl:
1.196     kristaps 1618:                        /* FALLTHROUGH */
1.264   ! schwarze 1619:                case MDOC_D1:
1.196     kristaps 1620:                        /* FALLTHROUGH */
1.264   ! schwarze 1621:                case MDOC_Dl:
1.190     kristaps 1622:                        /* FALLTHROUGH */
1.264   ! schwarze 1623:                case MDOC_Lp:
1.190     kristaps 1624:                        /* FALLTHROUGH */
1.264   ! schwarze 1625:                case MDOC_Pp:
1.190     kristaps 1626:                        continue;
                   1627:                default:
                   1628:                        break;
                   1629:                }
1.180     schwarze 1630:                if (nn->next && nn->next->line == nn->line)
                   1631:                        continue;
                   1632:                term_flushln(p);
                   1633:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1634:        }
1.147     kristaps 1635:
1.129     schwarze 1636:        p->tabwidth = tabwidth;
1.119     kristaps 1637:        p->rmargin = rm;
                   1638:        p->maxrmargin = rmax;
1.1       kristaps 1639:        return(0);
                   1640: }
                   1641:
                   1642: static void
                   1643: termp_bd_post(DECL_ARGS)
                   1644: {
1.119     kristaps 1645:        size_t           rm, rmax;
1.1       kristaps 1646:
1.264   ! schwarze 1647:        if (MDOC_BODY != n->type)
1.1       kristaps 1648:                return;
1.118     kristaps 1649:
1.119     kristaps 1650:        rm = p->rmargin;
                   1651:        rmax = p->maxrmargin;
1.118     kristaps 1652:
1.264   ! schwarze 1653:        if (DISP_literal == n->norm->Bd.type ||
        !          1654:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1655:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1656:
1.60      kristaps 1657:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1658:        term_newln(p);
1.118     kristaps 1659:
1.119     kristaps 1660:        p->rmargin = rm;
                   1661:        p->maxrmargin = rmax;
1.1       kristaps 1662: }
                   1663:
1.211     kristaps 1664: static int
                   1665: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1666: {
                   1667:
1.211     kristaps 1668:        if (NULL != (n = n->child)) {
                   1669:                term_word(p, n->string);
                   1670:                p->flags |= TERMP_NOSPACE;
                   1671:                term_word(p, "BSD");
                   1672:        } else {
                   1673:                term_word(p, "BSD");
                   1674:                return(0);
                   1675:        }
                   1676:
                   1677:        if (NULL != (n = n->next)) {
                   1678:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1679:                term_word(p, "-");
1.1       kristaps 1680:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1681:                term_word(p, n->string);
1.211     kristaps 1682:        }
                   1683:
                   1684:        return(0);
1.1       kristaps 1685: }
                   1686:
                   1687: static int
1.26      kristaps 1688: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1689: {
1.26      kristaps 1690:        const char      *pp;
1.218     schwarze 1691:        int              flags;
1.1       kristaps 1692:
1.26      kristaps 1693:        pp = NULL;
1.86      kristaps 1694:        switch (n->tok) {
1.264   ! schwarze 1695:        case MDOC_Bsx:
1.194     schwarze 1696:                pp = "BSD/OS";
1.26      kristaps 1697:                break;
1.264   ! schwarze 1698:        case MDOC_Dx:
1.100     kristaps 1699:                pp = "DragonFly";
1.26      kristaps 1700:                break;
1.264   ! schwarze 1701:        case MDOC_Fx:
1.26      kristaps 1702:                pp = "FreeBSD";
                   1703:                break;
1.264   ! schwarze 1704:        case MDOC_Nx:
1.26      kristaps 1705:                pp = "NetBSD";
                   1706:                break;
1.264   ! schwarze 1707:        case MDOC_Ox:
1.26      kristaps 1708:                pp = "OpenBSD";
                   1709:                break;
1.264   ! schwarze 1710:        case MDOC_Ux:
1.26      kristaps 1711:                pp = "UNIX";
                   1712:                break;
                   1713:        default:
1.246     schwarze 1714:                abort();
                   1715:                /* NOTREACHED */
1.26      kristaps 1716:        }
1.1       kristaps 1717:
1.26      kristaps 1718:        term_word(p, pp);
1.214     kristaps 1719:        if (n->child) {
1.218     schwarze 1720:                flags = p->flags;
1.214     kristaps 1721:                p->flags |= TERMP_KEEP;
                   1722:                term_word(p, n->child->string);
1.218     schwarze 1723:                p->flags = flags;
1.214     kristaps 1724:        }
                   1725:        return(0);
1.1       kristaps 1726: }
                   1727:
                   1728: static void
                   1729: termp_pf_post(DECL_ARGS)
                   1730: {
                   1731:
                   1732:        p->flags |= TERMP_NOSPACE;
                   1733: }
                   1734:
                   1735: static int
                   1736: termp_ss_pre(DECL_ARGS)
                   1737: {
                   1738:
1.86      kristaps 1739:        switch (n->type) {
1.264   ! schwarze 1740:        case MDOC_BLOCK:
1.1       kristaps 1741:                term_newln(p);
1.86      kristaps 1742:                if (n->prev)
1.1       kristaps 1743:                        term_vspace(p);
                   1744:                break;
1.264   ! schwarze 1745:        case MDOC_HEAD:
1.102     kristaps 1746:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1747:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1748:                break;
                   1749:        default:
                   1750:                break;
                   1751:        }
                   1752:
                   1753:        return(1);
                   1754: }
                   1755:
                   1756: static void
                   1757: termp_ss_post(DECL_ARGS)
                   1758: {
                   1759:
1.86      kristaps 1760:        if (MDOC_HEAD == n->type)
1.1       kristaps 1761:                term_newln(p);
                   1762: }
                   1763:
                   1764: static int
                   1765: termp_cd_pre(DECL_ARGS)
                   1766: {
                   1767:
1.143     kristaps 1768:        synopsis_pre(p, n);
1.102     kristaps 1769:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1770:        return(1);
                   1771: }
                   1772:
                   1773: static int
                   1774: termp_in_pre(DECL_ARGS)
                   1775: {
1.142     schwarze 1776:
1.143     kristaps 1777:        synopsis_pre(p, n);
1.1       kristaps 1778:
1.160     kristaps 1779:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1780:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1781:                term_word(p, "#include");
1.138     kristaps 1782:                term_word(p, "<");
                   1783:        } else {
                   1784:                term_word(p, "<");
                   1785:                term_fontpush(p, TERMFONT_UNDER);
                   1786:        }
1.22      kristaps 1787:
1.1       kristaps 1788:        p->flags |= TERMP_NOSPACE;
                   1789:        return(1);
                   1790: }
                   1791:
                   1792: static void
                   1793: termp_in_post(DECL_ARGS)
                   1794: {
                   1795:
1.160     kristaps 1796:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1797:                term_fontpush(p, TERMFONT_BOLD);
                   1798:
1.79      kristaps 1799:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1800:        term_word(p, ">");
                   1801:
1.160     kristaps 1802:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1803:                term_fontpop(p);
1.1       kristaps 1804: }
                   1805:
                   1806: static int
1.45      kristaps 1807: termp_sp_pre(DECL_ARGS)
                   1808: {
1.91      kristaps 1809:        size_t           i, len;
1.45      kristaps 1810:
1.86      kristaps 1811:        switch (n->tok) {
1.264   ! schwarze 1812:        case MDOC_sp:
1.157     kristaps 1813:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1814:                break;
1.264   ! schwarze 1815:        case MDOC_br:
1.76      kristaps 1816:                len = 0;
                   1817:                break;
                   1818:        default:
                   1819:                len = 1;
                   1820:                break;
1.45      kristaps 1821:        }
                   1822:
                   1823:        if (0 == len)
                   1824:                term_newln(p);
                   1825:        for (i = 0; i < len; i++)
                   1826:                term_vspace(p);
                   1827:
                   1828:        return(0);
                   1829: }
                   1830:
                   1831: static int
1.188     kristaps 1832: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1833: {
                   1834:
1.203     kristaps 1835:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1836:                return(1);
                   1837:
1.188     kristaps 1838:        switch (n->tok) {
1.264   ! schwarze 1839:        case MDOC_Ao:
1.188     kristaps 1840:                /* FALLTHROUGH */
1.264   ! schwarze 1841:        case MDOC_Aq:
1.188     kristaps 1842:                term_word(p, "<");
                   1843:                break;
1.264   ! schwarze 1844:        case MDOC_Bro:
1.188     kristaps 1845:                /* FALLTHROUGH */
1.264   ! schwarze 1846:        case MDOC_Brq:
1.188     kristaps 1847:                term_word(p, "{");
                   1848:                break;
1.264   ! schwarze 1849:        case MDOC_Oo:
1.188     kristaps 1850:                /* FALLTHROUGH */
1.264   ! schwarze 1851:        case MDOC_Op:
1.188     kristaps 1852:                /* FALLTHROUGH */
1.264   ! schwarze 1853:        case MDOC_Bo:
1.188     kristaps 1854:                /* FALLTHROUGH */
1.264   ! schwarze 1855:        case MDOC_Bq:
1.188     kristaps 1856:                term_word(p, "[");
                   1857:                break;
1.264   ! schwarze 1858:        case MDOC_Do:
1.188     kristaps 1859:                /* FALLTHROUGH */
1.264   ! schwarze 1860:        case MDOC_Dq:
1.249     schwarze 1861:                term_word(p, "\\(lq");
1.188     kristaps 1862:                break;
1.264   ! schwarze 1863:        case MDOC_Eo:
1.237     schwarze 1864:                break;
1.264   ! schwarze 1865:        case MDOC_Po:
1.188     kristaps 1866:                /* FALLTHROUGH */
1.264   ! schwarze 1867:        case MDOC_Pq:
1.188     kristaps 1868:                term_word(p, "(");
                   1869:                break;
1.264   ! schwarze 1870:        case MDOC__T:
1.205     kristaps 1871:                /* FALLTHROUGH */
1.264   ! schwarze 1872:        case MDOC_Qo:
1.188     kristaps 1873:                /* FALLTHROUGH */
1.264   ! schwarze 1874:        case MDOC_Qq:
1.188     kristaps 1875:                term_word(p, "\"");
                   1876:                break;
1.264   ! schwarze 1877:        case MDOC_Ql:
1.188     kristaps 1878:                /* FALLTHROUGH */
1.264   ! schwarze 1879:        case MDOC_So:
1.188     kristaps 1880:                /* FALLTHROUGH */
1.264   ! schwarze 1881:        case MDOC_Sq:
1.249     schwarze 1882:                term_word(p, "\\(oq");
1.188     kristaps 1883:                break;
                   1884:        default:
                   1885:                abort();
                   1886:                /* NOTREACHED */
                   1887:        }
1.1       kristaps 1888:
                   1889:        p->flags |= TERMP_NOSPACE;
                   1890:        return(1);
                   1891: }
                   1892:
                   1893: static void
1.188     kristaps 1894: termp_quote_post(DECL_ARGS)
1.1       kristaps 1895: {
                   1896:
1.203     kristaps 1897:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1898:                return;
                   1899:
                   1900:        p->flags |= TERMP_NOSPACE;
                   1901:
1.188     kristaps 1902:        switch (n->tok) {
1.264   ! schwarze 1903:        case MDOC_Ao:
1.188     kristaps 1904:                /* FALLTHROUGH */
1.264   ! schwarze 1905:        case MDOC_Aq:
1.188     kristaps 1906:                term_word(p, ">");
                   1907:                break;
1.264   ! schwarze 1908:        case MDOC_Bro:
1.188     kristaps 1909:                /* FALLTHROUGH */
1.264   ! schwarze 1910:        case MDOC_Brq:
1.188     kristaps 1911:                term_word(p, "}");
                   1912:                break;
1.264   ! schwarze 1913:        case MDOC_Oo:
1.188     kristaps 1914:                /* FALLTHROUGH */
1.264   ! schwarze 1915:        case MDOC_Op:
1.188     kristaps 1916:                /* FALLTHROUGH */
1.264   ! schwarze 1917:        case MDOC_Bo:
1.188     kristaps 1918:                /* FALLTHROUGH */
1.264   ! schwarze 1919:        case MDOC_Bq:
1.188     kristaps 1920:                term_word(p, "]");
                   1921:                break;
1.264   ! schwarze 1922:        case MDOC_Do:
1.188     kristaps 1923:                /* FALLTHROUGH */
1.264   ! schwarze 1924:        case MDOC_Dq:
1.249     schwarze 1925:                term_word(p, "\\(rq");
1.237     schwarze 1926:                break;
1.264   ! schwarze 1927:        case MDOC_Eo:
1.188     kristaps 1928:                break;
1.264   ! schwarze 1929:        case MDOC_Po:
1.188     kristaps 1930:                /* FALLTHROUGH */
1.264   ! schwarze 1931:        case MDOC_Pq:
1.188     kristaps 1932:                term_word(p, ")");
                   1933:                break;
1.264   ! schwarze 1934:        case MDOC__T:
1.205     kristaps 1935:                /* FALLTHROUGH */
1.264   ! schwarze 1936:        case MDOC_Qo:
1.188     kristaps 1937:                /* FALLTHROUGH */
1.264   ! schwarze 1938:        case MDOC_Qq:
1.188     kristaps 1939:                term_word(p, "\"");
                   1940:                break;
1.264   ! schwarze 1941:        case MDOC_Ql:
1.188     kristaps 1942:                /* FALLTHROUGH */
1.264   ! schwarze 1943:        case MDOC_So:
1.188     kristaps 1944:                /* FALLTHROUGH */
1.264   ! schwarze 1945:        case MDOC_Sq:
1.249     schwarze 1946:                term_word(p, "\\(cq");
1.188     kristaps 1947:                break;
                   1948:        default:
                   1949:                abort();
                   1950:                /* NOTREACHED */
                   1951:        }
1.1       kristaps 1952: }
                   1953:
                   1954: static int
                   1955: termp_fo_pre(DECL_ARGS)
                   1956: {
1.257     schwarze 1957:        size_t           rmargin = 0;
1.256     schwarze 1958:        int              pretty;
                   1959:
                   1960:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1961:
1.141     kristaps 1962:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 1963:                synopsis_pre(p, n);
1.141     kristaps 1964:                return(1);
                   1965:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 1966:                if (pretty) {
                   1967:                        rmargin = p->rmargin;
1.257     schwarze 1968:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1969:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   1970:                                        TERMP_HANG;
1.256     schwarze 1971:                }
1.33      kristaps 1972:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1973:                term_word(p, "(");
1.222     kristaps 1974:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 1975:                if (pretty) {
                   1976:                        term_flushln(p);
1.263     schwarze 1977:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   1978:                                        TERMP_HANG);
1.256     schwarze 1979:                        p->offset = p->rmargin;
                   1980:                        p->rmargin = rmargin;
                   1981:                }
1.1       kristaps 1982:                return(1);
1.256     schwarze 1983:        }
1.141     kristaps 1984:
1.169     kristaps 1985:        if (NULL == n->child)
                   1986:                return(0);
                   1987:
1.141     kristaps 1988:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 1989:
1.141     kristaps 1990:        assert(n->child->string);
1.102     kristaps 1991:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 1992:        term_word(p, n->child->string);
1.1       kristaps 1993:        return(0);
                   1994: }
                   1995:
                   1996: static void
                   1997: termp_fo_post(DECL_ARGS)
                   1998: {
                   1999:
1.264   ! schwarze 2000:        if (MDOC_BODY != n->type)
1.143     kristaps 2001:                return;
                   2002:
1.222     kristaps 2003:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2004:        term_word(p, ")");
                   2005:
1.222     kristaps 2006:        if (MDOC_SYNPRETTY & n->flags) {
                   2007:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2008:                term_word(p, ";");
1.256     schwarze 2009:                term_flushln(p);
1.222     kristaps 2010:        }
1.1       kristaps 2011: }
                   2012:
                   2013: static int
                   2014: termp_bf_pre(DECL_ARGS)
                   2015: {
                   2016:
1.86      kristaps 2017:        if (MDOC_HEAD == n->type)
1.1       kristaps 2018:                return(0);
1.244     schwarze 2019:        else if (MDOC_BODY != n->type)
1.1       kristaps 2020:                return(1);
                   2021:
1.264   ! schwarze 2022:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2023:                term_fontpush(p, TERMFONT_UNDER);
1.264   ! schwarze 2024:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2025:                term_fontpush(p, TERMFONT_BOLD);
1.264   ! schwarze 2026:        else
1.102     kristaps 2027:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2028:
                   2029:        return(1);
                   2030: }
                   2031:
                   2032: static int
                   2033: termp_sm_pre(DECL_ARGS)
                   2034: {
                   2035:
1.86      kristaps 2036:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2037:        if (0 == strcmp("on", n->child->string)) {
                   2038:                if (p->col)
                   2039:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2040:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2041:        } else
1.1       kristaps 2042:                p->flags |= TERMP_NONOSPACE;
                   2043:
                   2044:        return(0);
                   2045: }
                   2046:
                   2047: static int
                   2048: termp_ap_pre(DECL_ARGS)
                   2049: {
                   2050:
                   2051:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2052:        term_word(p, "'");
1.1       kristaps 2053:        p->flags |= TERMP_NOSPACE;
                   2054:        return(1);
                   2055: }
                   2056:
                   2057: static void
                   2058: termp____post(DECL_ARGS)
                   2059: {
1.184     kristaps 2060:
                   2061:        /*
                   2062:         * Handle lists of authors.  In general, print each followed by
                   2063:         * a comma.  Don't print the comma if there are only two
                   2064:         * authors.
                   2065:         */
                   2066:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2067:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2068:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2069:                                return;
1.1       kristaps 2070:
1.95      kristaps 2071:        /* TODO: %U. */
                   2072:
1.187     kristaps 2073:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2074:                return;
                   2075:
1.222     kristaps 2076:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2077:        if (NULL == n->next) {
                   2078:                term_word(p, ".");
                   2079:                p->flags |= TERMP_SENTENCE;
                   2080:        } else
                   2081:                term_word(p, ",");
1.1       kristaps 2082: }
                   2083:
                   2084: static int
1.102     kristaps 2085: termp_li_pre(DECL_ARGS)
                   2086: {
                   2087:
                   2088:        term_fontpush(p, TERMFONT_NONE);
                   2089:        return(1);
                   2090: }
                   2091:
                   2092: static int
1.1       kristaps 2093: termp_lk_pre(DECL_ARGS)
                   2094: {
1.240     schwarze 2095:        const struct mdoc_node *link, *descr;
1.1       kristaps 2096:
1.240     schwarze 2097:        if (NULL == (link = n->child))
                   2098:                return(0);
1.181     kristaps 2099:
1.240     schwarze 2100:        if (NULL != (descr = link->next)) {
                   2101:                term_fontpush(p, TERMFONT_UNDER);
                   2102:                while (NULL != descr) {
                   2103:                        term_word(p, descr->string);
                   2104:                        descr = descr->next;
                   2105:                }
                   2106:                p->flags |= TERMP_NOSPACE;
                   2107:                term_word(p, ":");
                   2108:                term_fontpop(p);
                   2109:        }
1.1       kristaps 2110:
1.102     kristaps 2111:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2112:        term_word(p, link->string);
1.102     kristaps 2113:        term_fontpop(p);
1.12      kristaps 2114:
1.1       kristaps 2115:        return(0);
                   2116: }
                   2117:
1.159     schwarze 2118: static int
                   2119: termp_bk_pre(DECL_ARGS)
                   2120: {
                   2121:
1.161     schwarze 2122:        switch (n->type) {
1.264   ! schwarze 2123:        case MDOC_BLOCK:
1.166     kristaps 2124:                break;
1.264   ! schwarze 2125:        case MDOC_HEAD:
1.161     schwarze 2126:                return(0);
1.264   ! schwarze 2127:        case MDOC_BODY:
1.200     schwarze 2128:                if (n->parent->args || 0 == n->prev->nchild)
                   2129:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2130:                break;
1.161     schwarze 2131:        default:
                   2132:                abort();
1.166     kristaps 2133:                /* NOTREACHED */
1.161     schwarze 2134:        }
1.166     kristaps 2135:
                   2136:        return(1);
1.159     schwarze 2137: }
                   2138:
                   2139: static void
                   2140: termp_bk_post(DECL_ARGS)
                   2141: {
                   2142:
1.253     schwarze 2143:        if (MDOC_BODY == n->type)
1.161     schwarze 2144:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2145: }
                   2146:
                   2147: static void
                   2148: termp__t_post(DECL_ARGS)
                   2149: {
                   2150:
                   2151:        /*
                   2152:         * If we're in an `Rs' and there's a journal present, then quote
                   2153:         * us instead of underlining us (for disambiguation).
                   2154:         */
1.217     schwarze 2155:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264   ! schwarze 2156:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2157:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2158:
1.245     schwarze 2159:        termp____post(p, pair, meta, n);
1.203     kristaps 2160: }
                   2161:
                   2162: static int
                   2163: termp__t_pre(DECL_ARGS)
                   2164: {
                   2165:
                   2166:        /*
                   2167:         * If we're in an `Rs' and there's a journal present, then quote
                   2168:         * us instead of underlining us (for disambiguation).
                   2169:         */
                   2170:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264   ! schwarze 2171:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2172:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2173:
                   2174:        term_fontpush(p, TERMFONT_UNDER);
                   2175:        return(1);
1.159     schwarze 2176: }
1.1       kristaps 2177:
                   2178: static int
1.69      kristaps 2179: termp_under_pre(DECL_ARGS)
1.1       kristaps 2180: {
                   2181:
1.102     kristaps 2182:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2183:        return(1);
                   2184: }

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