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Annotation of mandoc/mdoc_term.c, Revision 1.313

1.313   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.312 2015/03/06 13:09:07 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.303     schwarze    4:  * Copyright (c) 2010, 2012-2015 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: #include "config.h"
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.302     schwarze   25: #include <limits.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.125     kristaps   31: #include "mandoc.h"
1.266     schwarze   32: #include "mandoc_aux.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:
1.302     schwarze   53: static int       a2width(const struct termp *, const char *);
1.96      kristaps   54:
                     55: static void      print_bvspace(struct termp *,
1.151     kristaps   56:                        const struct mdoc_node *,
1.96      kristaps   57:                        const struct mdoc_node *);
1.264     schwarze   58: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   59: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   60: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   61: static void      print_mdoc_foot(struct termp *, const void *);
1.264     schwarze   62: static void      synopsis_pre(struct termp *,
1.143     kristaps   63:                        const struct mdoc_node *);
1.96      kristaps   64:
1.31      kristaps   65: static void      termp____post(DECL_ARGS);
1.203     kristaps   66: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   67: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   68: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   69: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   70: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   71: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   72: static void      termp_fo_post(DECL_ARGS);
                     73: static void      termp_in_post(DECL_ARGS);
                     74: static void      termp_it_post(DECL_ARGS);
                     75: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   76: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   77: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   78: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_sh_post(DECL_ARGS);
                     80: static void      termp_ss_post(DECL_ARGS);
                     81:
1.184     kristaps   82: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   83: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   84: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   85: static int       termp_ap_pre(DECL_ARGS);
                     86: static int       termp_bd_pre(DECL_ARGS);
                     87: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   88: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   89: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   90: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   91: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   92: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   93: static int       termp_cd_pre(DECL_ARGS);
                     94: static int       termp_d1_pre(DECL_ARGS);
1.306     schwarze   95: static int       termp_eo_pre(DECL_ARGS);
1.31      kristaps   96: static int       termp_ex_pre(DECL_ARGS);
                     97: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   98: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_fl_pre(DECL_ARGS);
                    100: static int       termp_fn_pre(DECL_ARGS);
                    101: static int       termp_fo_pre(DECL_ARGS);
                    102: static int       termp_ft_pre(DECL_ARGS);
                    103: static int       termp_in_pre(DECL_ARGS);
                    104: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  105: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  106: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  107: static int       termp_lk_pre(DECL_ARGS);
                    108: static int       termp_nd_pre(DECL_ARGS);
                    109: static int       termp_nm_pre(DECL_ARGS);
                    110: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  111: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  112: static int       termp_rs_pre(DECL_ARGS);
                    113: static int       termp_rv_pre(DECL_ARGS);
                    114: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  115: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  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 */
1.282     schwarze  141:        { termp_an_pre, NULL }, /* 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 */
1.268     schwarze  160:        { termp_ft_pre, 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 */
1.294     schwarze  188:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  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 */
1.306     schwarze  195:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.26      kristaps  196:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  197:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  198:        { termp_li_pre, 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 */
1.268     schwarze  230:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  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 */
1.294     schwarze  240:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  241:        { termp_quote_pre, termp_quote_post }, /* En */
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: {
1.245     schwarze  255:        const struct mdoc_meta  *meta;
1.281     schwarze  256:        struct mdoc_node        *n;
1.89      kristaps  257:        struct termp            *p;
                    258:
                    259:        p = (struct termp *)arg;
1.111     kristaps  260:
                    261:        p->overstep = 0;
1.281     schwarze  262:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  263:        p->tabwidth = term_len(p, 5);
1.70      kristaps  264:
1.281     schwarze  265:        n = mdoc_node(mdoc)->child;
1.245     schwarze  266:        meta = mdoc_meta(mdoc);
1.146     schwarze  267:
1.281     schwarze  268:        if (p->synopsisonly) {
                    269:                while (n != NULL) {
                    270:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    271:                                if (n->child->next->child != NULL)
                    272:                                        print_mdoc_nodelist(p, NULL,
                    273:                                            meta, n->child->next->child);
                    274:                                term_newln(p);
                    275:                                break;
                    276:                        }
                    277:                        n = n->next;
                    278:                }
                    279:        } else {
                    280:                if (p->defindent == 0)
                    281:                        p->defindent = 5;
                    282:                term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
                    283:                if (n != NULL) {
                    284:                        if (n->tok != MDOC_Sh)
                    285:                                term_vspace(p);
                    286:                        print_mdoc_nodelist(p, NULL, meta, n);
                    287:                }
                    288:                term_end(p);
1.271     schwarze  289:        }
1.1       kristaps  290: }
                    291:
1.3       kristaps  292: static void
1.102     kristaps  293: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  294: {
                    295:
1.304     schwarze  296:        while (n != NULL) {
                    297:                print_mdoc_node(p, pair, meta, n);
                    298:                n = n->next;
                    299:        }
1.1       kristaps  300: }
                    301:
1.3       kristaps  302: static void
1.102     kristaps  303: print_mdoc_node(DECL_ARGS)
1.1       kristaps  304: {
1.102     kristaps  305:        int              chld;
1.1       kristaps  306:        struct termpair  npair;
1.30      kristaps  307:        size_t           offset, rmargin;
1.1       kristaps  308:
1.70      kristaps  309:        chld = 1;
1.29      kristaps  310:        offset = p->offset;
1.30      kristaps  311:        rmargin = p->rmargin;
1.310     schwarze  312:        n->flags &= ~MDOC_ENDED;
1.305     schwarze  313:        n->prev_font = p->fonti;
1.29      kristaps  314:
1.97      kristaps  315:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  316:        npair.ppair = pair;
1.172     kristaps  317:
                    318:        /*
                    319:         * Keeps only work until the end of a line.  If a keep was
                    320:         * invoked in a prior line, revert it to PREKEEP.
                    321:         */
                    322:
1.307     schwarze  323:        if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
                    324:                p->flags &= ~TERMP_KEEP;
                    325:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  326:        }
1.197     schwarze  327:
                    328:        /*
1.217     schwarze  329:         * After the keep flags have been set up, we may now
                    330:         * produce output.  Note that some pre-handlers do so.
                    331:         */
                    332:
                    333:        switch (n->type) {
1.264     schwarze  334:        case MDOC_TEXT:
1.217     schwarze  335:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    336:                        term_newln(p);
1.222     kristaps  337:                if (MDOC_DELIMC & n->flags)
                    338:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  339:                term_word(p, n->string);
1.222     kristaps  340:                if (MDOC_DELIMO & n->flags)
                    341:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  342:                break;
1.264     schwarze  343:        case MDOC_EQN:
1.284     schwarze  344:                if ( ! (n->flags & MDOC_LINE))
                    345:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  346:                term_eqn(p, n->eqn);
1.286     schwarze  347:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  348:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  349:                break;
1.264     schwarze  350:        case MDOC_TBL:
1.313   ! schwarze  351:                if (p->tbl.cols == NULL)
        !           352:                        term_newln(p);
1.217     schwarze  353:                term_tbl(p, n->span);
                    354:                break;
                    355:        default:
1.295     schwarze  356:                if (termacts[n->tok].pre &&
                    357:                    (n->end == ENDBODY_NOT || n->nchild))
1.217     schwarze  358:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  359:                                (p, &npair, meta, n);
1.217     schwarze  360:                break;
                    361:        }
                    362:
1.86      kristaps  363:        if (chld && n->child)
1.245     schwarze  364:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  365:
1.244     schwarze  366:        term_fontpopq(p,
1.310     schwarze  367:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  368:
1.206     kristaps  369:        switch (n->type) {
1.264     schwarze  370:        case MDOC_TEXT:
1.206     kristaps  371:                break;
1.264     schwarze  372:        case MDOC_TBL:
1.216     kristaps  373:                break;
1.264     schwarze  374:        case MDOC_EQN:
1.206     kristaps  375:                break;
                    376:        default:
                    377:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    378:                        break;
1.245     schwarze  379:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  380:
                    381:                /*
                    382:                 * Explicit end tokens not only call the post
                    383:                 * handler, but also tell the respective block
                    384:                 * that it must not call the post handler again.
                    385:                 */
1.165     kristaps  386:                if (ENDBODY_NOT != n->end)
1.310     schwarze  387:                        n->body->flags |= MDOC_ENDED;
1.162     schwarze  388:
                    389:                /*
                    390:                 * End of line terminating an implicit block
                    391:                 * while an explicit block is still open.
                    392:                 * Continue the explicit block without spacing.
                    393:                 */
                    394:                if (ENDBODY_NOSPACE == n->end)
                    395:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  396:                break;
1.162     schwarze  397:        }
1.121     kristaps  398:
                    399:        if (MDOC_EOS & n->flags)
                    400:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  401:
1.260     schwarze  402:        if (MDOC_ll != n->tok) {
                    403:                p->offset = offset;
                    404:                p->rmargin = rmargin;
                    405:        }
1.1       kristaps  406: }
                    407:
1.3       kristaps  408: static void
1.145     kristaps  409: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  410: {
1.245     schwarze  411:        const struct mdoc_meta *meta;
1.292     schwarze  412:        size_t sz;
1.144     kristaps  413:
1.245     schwarze  414:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  415:
1.102     kristaps  416:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  417:
1.264     schwarze  418:        /*
1.9       kristaps  419:         * Output the footer in new-groff style, that is, three columns
                    420:         * with the middle being the manual date and flanking columns
                    421:         * being the operating system:
                    422:         *
                    423:         * SYSTEM                  DATE                    SYSTEM
                    424:         */
                    425:
1.1       kristaps  426:        term_vspace(p);
                    427:
1.9       kristaps  428:        p->offset = 0;
1.292     schwarze  429:        sz = term_strlen(p, meta->date);
                    430:        p->rmargin = p->maxrmargin > sz ?
                    431:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  432:        p->trailspace = 1;
1.1       kristaps  433:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    434:
1.245     schwarze  435:        term_word(p, meta->os);
1.1       kristaps  436:        term_flushln(p);
                    437:
1.9       kristaps  438:        p->offset = p->rmargin;
1.292     schwarze  439:        sz = term_strlen(p, meta->os);
                    440:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  441:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  442:
1.245     schwarze  443:        term_word(p, meta->date);
1.9       kristaps  444:        term_flushln(p);
                    445:
1.1       kristaps  446:        p->offset = p->rmargin;
                    447:        p->rmargin = p->maxrmargin;
1.250     schwarze  448:        p->trailspace = 0;
1.1       kristaps  449:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  450:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  451:
1.245     schwarze  452:        term_word(p, meta->os);
1.1       kristaps  453:        term_flushln(p);
                    454:
1.9       kristaps  455:        p->offset = 0;
                    456:        p->rmargin = p->maxrmargin;
                    457:        p->flags = 0;
1.1       kristaps  458: }
                    459:
1.3       kristaps  460: static void
1.144     kristaps  461: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  462: {
1.266     schwarze  463:        const struct mdoc_meta  *meta;
1.267     schwarze  464:        char                    *volume, *title;
                    465:        size_t                   vollen, titlen;
1.144     kristaps  466:
1.245     schwarze  467:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  468:
                    469:        /*
                    470:         * The header is strange.  It has three components, which are
                    471:         * really two with the first duplicated.  It goes like this:
                    472:         *
                    473:         * IDENTIFIER              TITLE                   IDENTIFIER
                    474:         *
                    475:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    476:         * (if given, or "unknown" if not) followed by the manual page
                    477:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    478:         * string depending on the manual volume.  If not specified, it
                    479:         * switches on the manual section.
                    480:         */
1.235     schwarze  481:
1.245     schwarze  482:        assert(meta->vol);
1.267     schwarze  483:        if (NULL == meta->arch)
                    484:                volume = mandoc_strdup(meta->vol);
                    485:        else
                    486:                mandoc_asprintf(&volume, "%s (%s)",
                    487:                    meta->vol, meta->arch);
                    488:        vollen = term_strlen(p, volume);
1.1       kristaps  489:
1.275     schwarze  490:        if (NULL == meta->msec)
                    491:                title = mandoc_strdup(meta->title);
                    492:        else
                    493:                mandoc_asprintf(&title, "%s(%s)",
                    494:                    meta->title, meta->msec);
1.235     schwarze  495:        titlen = term_strlen(p, title);
1.1       kristaps  496:
1.235     schwarze  497:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  498:        p->trailspace = 1;
1.1       kristaps  499:        p->offset = 0;
1.267     schwarze  500:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    501:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  502:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  503:
                    504:        term_word(p, title);
                    505:        term_flushln(p);
                    506:
1.235     schwarze  507:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  508:        p->offset = p->rmargin;
1.267     schwarze  509:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  510:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  511:
1.267     schwarze  512:        term_word(p, volume);
1.1       kristaps  513:        term_flushln(p);
                    514:
                    515:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  516:        p->trailspace = 0;
1.235     schwarze  517:        if (p->rmargin + titlen <= p->maxrmargin) {
                    518:                p->flags |= TERMP_NOSPACE;
                    519:                p->offset = p->rmargin;
                    520:                p->rmargin = p->maxrmargin;
                    521:                term_word(p, title);
                    522:                term_flushln(p);
                    523:        }
1.1       kristaps  524:
1.235     schwarze  525:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  526:        p->offset = 0;
1.1       kristaps  527:        p->rmargin = p->maxrmargin;
1.266     schwarze  528:        free(title);
1.267     schwarze  529:        free(volume);
1.1       kristaps  530: }
                    531:
1.302     schwarze  532: static int
1.157     kristaps  533: a2width(const struct termp *p, const char *v)
1.91      kristaps  534: {
1.92      kristaps  535:        struct roffsu    su;
1.1       kristaps  536:
1.300     schwarze  537:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157     kristaps  538:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  539:                su.scale /= term_strlen(p, "0");
1.302     schwarze  540:        }
1.157     kristaps  541:        return(term_hspan(p, &su));
1.1       kristaps  542: }
                    543:
1.108     kristaps  544: /*
                    545:  * Determine how much space to print out before block elements of `It'
                    546:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    547:  * too.
                    548:  */
1.54      kristaps  549: static void
1.264     schwarze  550: print_bvspace(struct termp *p,
                    551:        const struct mdoc_node *bl,
                    552:        const struct mdoc_node *n)
1.1       kristaps  553: {
1.86      kristaps  554:        const struct mdoc_node  *nn;
1.236     schwarze  555:
                    556:        assert(n);
1.1       kristaps  557:
                    558:        term_newln(p);
1.150     kristaps  559:
1.202     kristaps  560:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  561:                return;
1.202     kristaps  562:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  563:                return;
                    564:
1.85      kristaps  565:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  566:
1.289     schwarze  567:        nn = n;
                    568:        while (nn->prev == NULL) {
                    569:                do {
                    570:                        nn = nn->parent;
                    571:                        if (nn->type == MDOC_ROOT)
                    572:                                return;
                    573:                } while (nn->type != MDOC_BLOCK);
                    574:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  575:                        return;
1.289     schwarze  576:                if (nn->tok == MDOC_It &&
                    577:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    578:                        break;
1.1       kristaps  579:        }
                    580:
1.85      kristaps  581:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  582:
1.202     kristaps  583:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  584:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  585:                        return;
                    586:
1.85      kristaps  587:        /* A `-diag' without body does not vspace. */
                    588:
1.202     kristaps  589:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  590:                if (n->prev && MDOC_It == n->prev->tok) {
                    591:                        assert(n->prev->body);
                    592:                        if (NULL == n->prev->body->child)
1.55      kristaps  593:                                return;
                    594:                }
                    595:
1.54      kristaps  596:        term_vspace(p);
1.260     schwarze  597: }
                    598:
                    599:
                    600: static int
                    601: termp_ll_pre(DECL_ARGS)
                    602: {
                    603:
1.261     schwarze  604:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  605:        return(0);
1.1       kristaps  606: }
                    607:
                    608: static int
                    609: termp_it_pre(DECL_ARGS)
                    610: {
1.302     schwarze  611:        char                    buf[24];
1.86      kristaps  612:        const struct mdoc_node *bl, *nn;
1.302     schwarze  613:        size_t                  ncols, dcol;
                    614:        int                     i, offset, width;
1.126     kristaps  615:        enum mdoc_list          type;
1.1       kristaps  616:
1.86      kristaps  617:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  618:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  619:                return(1);
                    620:        }
1.1       kristaps  621:
1.86      kristaps  622:        bl = n->parent->parent->parent;
1.202     kristaps  623:        type = bl->norm->Bl.type;
1.1       kristaps  624:
1.264     schwarze  625:        /*
1.302     schwarze  626:         * Defaults for specific list types.
                    627:         */
                    628:
                    629:        switch (type) {
                    630:        case LIST_bullet:
                    631:                /* FALLTHROUGH */
                    632:        case LIST_dash:
                    633:                /* FALLTHROUGH */
                    634:        case LIST_hyphen:
                    635:                /* FALLTHROUGH */
                    636:        case LIST_enum:
                    637:                width = term_len(p, 2);
                    638:                break;
                    639:        case LIST_hang:
                    640:                width = term_len(p, 8);
                    641:                break;
                    642:        case LIST_column:
                    643:                /* FALLTHROUGH */
                    644:        case LIST_tag:
                    645:                width = term_len(p, 10);
                    646:                break;
                    647:        default:
                    648:                width = 0;
                    649:                break;
                    650:        }
                    651:        offset = 0;
                    652:
                    653:        /*
1.108     kristaps  654:         * First calculate width and offset.  This is pretty easy unless
                    655:         * we're a -column list, in which case all prior columns must
                    656:         * be accounted for.
                    657:         */
                    658:
1.302     schwarze  659:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  660:                offset = a2width(p, bl->norm->Bl.offs);
1.302     schwarze  661:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    662:                        offset = -p->offset;
                    663:                else if (offset > SHRT_MAX)
                    664:                        offset = 0;
                    665:        }
1.152     kristaps  666:
1.1       kristaps  667:        switch (type) {
1.264     schwarze  668:        case LIST_column:
1.134     kristaps  669:                if (MDOC_HEAD == n->type)
1.1       kristaps  670:                        break;
1.155     kristaps  671:
1.105     kristaps  672:                /*
1.108     kristaps  673:                 * Imitate groff's column handling:
                    674:                 * - For each earlier column, add its width.
                    675:                 * - For less than 5 columns, add four more blanks per
                    676:                 *   column.
                    677:                 * - For exactly 5 columns, add three more blank per
                    678:                 *   column.
                    679:                 * - For more than 5 columns, add only one column.
1.105     kristaps  680:                 */
1.202     kristaps  681:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  682:                dcol = ncols < 5 ? term_len(p, 4) :
                    683:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  684:
1.134     kristaps  685:                /*
                    686:                 * Calculate the offset by applying all prior MDOC_BODY,
                    687:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    688:                 */
                    689:
1.264     schwarze  690:                for (i = 0, nn = n->prev;
                    691:                    nn->prev && i < (int)ncols;
                    692:                    nn = nn->prev, i++)
                    693:                        offset += dcol + a2width(p,
                    694:                            bl->norm->Bl.cols[i]);
1.105     kristaps  695:
                    696:                /*
1.108     kristaps  697:                 * When exceeding the declared number of columns, leave
                    698:                 * the remaining widths at 0.  This will later be
                    699:                 * adjusted to the default width of 10, or, for the last
                    700:                 * column, stretched to the right margin.
1.58      kristaps  701:                 */
1.108     kristaps  702:                if (i >= (int)ncols)
                    703:                        break;
1.58      kristaps  704:
1.105     kristaps  705:                /*
1.108     kristaps  706:                 * Use the declared column widths, extended as explained
                    707:                 * in the preceding paragraph.
1.105     kristaps  708:                 */
1.202     kristaps  709:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  710:                break;
                    711:        default:
1.202     kristaps  712:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  713:                        break;
                    714:
1.264     schwarze  715:                /*
1.108     kristaps  716:                 * Note: buffer the width by 2, which is groff's magic
                    717:                 * number for buffering single arguments.  See the above
                    718:                 * handling for column for how this changes.
                    719:                 */
1.202     kristaps  720:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302     schwarze  721:                if (width < 0 && (size_t)(-width) > p->offset)
                    722:                        width = -p->offset;
                    723:                else if (width > SHRT_MAX)
                    724:                        width = 0;
1.1       kristaps  725:                break;
                    726:        }
                    727:
1.264     schwarze  728:        /*
1.17      kristaps  729:         * Whitespace control.  Inset bodies need an initial space,
                    730:         * while diagonal bodies need two.
1.1       kristaps  731:         */
                    732:
1.51      kristaps  733:        p->flags |= TERMP_NOSPACE;
                    734:
1.1       kristaps  735:        switch (type) {
1.264     schwarze  736:        case LIST_diag:
1.86      kristaps  737:                if (MDOC_BODY == n->type)
1.62      kristaps  738:                        term_word(p, "\\ \\ ");
1.51      kristaps  739:                break;
1.264     schwarze  740:        case LIST_inset:
1.270     schwarze  741:                if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51      kristaps  742:                        term_word(p, "\\ ");
1.1       kristaps  743:                break;
                    744:        default:
                    745:                break;
                    746:        }
                    747:
1.51      kristaps  748:        p->flags |= TERMP_NOSPACE;
                    749:
1.1       kristaps  750:        switch (type) {
1.264     schwarze  751:        case LIST_diag:
1.86      kristaps  752:                if (MDOC_HEAD == n->type)
1.102     kristaps  753:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  754:                break;
                    755:        default:
                    756:                break;
                    757:        }
                    758:
                    759:        /*
1.109     kristaps  760:         * Pad and break control.  This is the tricky part.  These flags
                    761:         * are documented in term_flushln() in term.c.  Note that we're
                    762:         * going to unset all of these flags in termp_it_post() when we
                    763:         * exit.
1.1       kristaps  764:         */
                    765:
                    766:        switch (type) {
1.264     schwarze  767:        case LIST_enum:
1.242     schwarze  768:                /*
                    769:                 * Weird special case.
1.302     schwarze  770:                 * Some very narrow lists actually hang.
1.242     schwarze  771:                 */
                    772:                /* FALLTHROUGH */
1.264     schwarze  773:        case LIST_bullet:
1.1       kristaps  774:                /* FALLTHROUGH */
1.264     schwarze  775:        case LIST_dash:
1.1       kristaps  776:                /* FALLTHROUGH */
1.264     schwarze  777:        case LIST_hyphen:
1.302     schwarze  778:                if (width <= (int)term_len(p, 2))
                    779:                        p->flags |= TERMP_HANG;
1.250     schwarze  780:                if (MDOC_HEAD != n->type)
                    781:                        break;
                    782:                p->flags |= TERMP_NOBREAK;
                    783:                p->trailspace = 1;
1.39      kristaps  784:                break;
1.264     schwarze  785:        case LIST_hang:
1.250     schwarze  786:                if (MDOC_HEAD != n->type)
1.59      kristaps  787:                        break;
                    788:
                    789:                /*
                    790:                 * This is ugly.  If `-hang' is specified and the body
                    791:                 * is a `Bl' or `Bd', then we want basically to nullify
                    792:                 * the "overstep" effect in term_flushln() and treat
                    793:                 * this as a `-ohang' list instead.
                    794:                 */
1.279     schwarze  795:                if (NULL != n->next &&
1.278     schwarze  796:                    NULL != n->next->child &&
                    797:                    (MDOC_Bl == n->next->child->tok ||
                    798:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  799:                        break;
                    800:
1.263     schwarze  801:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  802:                p->trailspace = 1;
1.39      kristaps  803:                break;
1.264     schwarze  804:        case LIST_tag:
1.86      kristaps  805:                if (MDOC_HEAD != n->type)
1.39      kristaps  806:                        break;
1.250     schwarze  807:
1.263     schwarze  808:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  809:                p->trailspace = 2;
                    810:
1.86      kristaps  811:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  812:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  813:                break;
1.264     schwarze  814:        case LIST_column:
1.134     kristaps  815:                if (MDOC_HEAD == n->type)
                    816:                        break;
                    817:
1.250     schwarze  818:                if (NULL == n->next) {
1.134     kristaps  819:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  820:                        p->trailspace = 0;
                    821:                } else {
1.134     kristaps  822:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  823:                        p->trailspace = 1;
                    824:                }
1.134     kristaps  825:
1.1       kristaps  826:                break;
1.264     schwarze  827:        case LIST_diag:
1.250     schwarze  828:                if (MDOC_HEAD != n->type)
                    829:                        break;
1.263     schwarze  830:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  831:                p->trailspace = 1;
1.1       kristaps  832:                break;
                    833:        default:
                    834:                break;
                    835:        }
                    836:
1.264     schwarze  837:        /*
1.1       kristaps  838:         * Margin control.  Set-head-width lists have their right
                    839:         * margins shortened.  The body for these lists has the offset
                    840:         * necessarily lengthened.  Everybody gets the offset.
                    841:         */
                    842:
                    843:        p->offset += offset;
                    844:
                    845:        switch (type) {
1.264     schwarze  846:        case LIST_hang:
1.59      kristaps  847:                /*
                    848:                 * Same stipulation as above, regarding `-hang'.  We
                    849:                 * don't want to recalculate rmargin and offsets when
                    850:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    851:                 */
1.279     schwarze  852:                if (MDOC_HEAD == n->type &&
                    853:                    NULL != n->next &&
1.278     schwarze  854:                    NULL != n->next->child &&
                    855:                    (MDOC_Bl == n->next->child->tok ||
                    856:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  857:                        break;
                    858:                /* FALLTHROUGH */
1.264     schwarze  859:        case LIST_bullet:
1.1       kristaps  860:                /* FALLTHROUGH */
1.264     schwarze  861:        case LIST_dash:
1.1       kristaps  862:                /* FALLTHROUGH */
1.264     schwarze  863:        case LIST_enum:
1.1       kristaps  864:                /* FALLTHROUGH */
1.264     schwarze  865:        case LIST_hyphen:
1.1       kristaps  866:                /* FALLTHROUGH */
1.264     schwarze  867:        case LIST_tag:
1.86      kristaps  868:                if (MDOC_HEAD == n->type)
1.1       kristaps  869:                        p->rmargin = p->offset + width;
1.292     schwarze  870:                else
1.1       kristaps  871:                        p->offset += width;
                    872:                break;
1.264     schwarze  873:        case LIST_column:
1.49      kristaps  874:                assert(width);
1.1       kristaps  875:                p->rmargin = p->offset + width;
1.264     schwarze  876:                /*
1.50      kristaps  877:                 * XXX - this behaviour is not documented: the
                    878:                 * right-most column is filled to the right margin.
                    879:                 */
1.134     kristaps  880:                if (MDOC_HEAD == n->type)
                    881:                        break;
                    882:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  883:                        p->rmargin = p->maxrmargin;
1.1       kristaps  884:                break;
                    885:        default:
                    886:                break;
                    887:        }
                    888:
1.264     schwarze  889:        /*
1.1       kristaps  890:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  891:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  892:         */
                    893:
1.86      kristaps  894:        if (MDOC_HEAD == n->type)
1.1       kristaps  895:                switch (type) {
1.264     schwarze  896:                case LIST_bullet:
1.102     kristaps  897:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  898:                        term_word(p, "\\[bu]");
1.102     kristaps  899:                        term_fontpop(p);
1.1       kristaps  900:                        break;
1.264     schwarze  901:                case LIST_dash:
1.1       kristaps  902:                        /* FALLTHROUGH */
1.264     schwarze  903:                case LIST_hyphen:
1.102     kristaps  904:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  905:                        term_word(p, "\\(hy");
1.102     kristaps  906:                        term_fontpop(p);
1.1       kristaps  907:                        break;
1.264     schwarze  908:                case LIST_enum:
1.1       kristaps  909:                        (pair->ppair->ppair->count)++;
1.265     schwarze  910:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  911:                            pair->ppair->ppair->count);
1.1       kristaps  912:                        term_word(p, buf);
                    913:                        break;
                    914:                default:
                    915:                        break;
                    916:                }
                    917:
1.264     schwarze  918:        /*
1.1       kristaps  919:         * If we're not going to process our children, indicate so here.
                    920:         */
                    921:
                    922:        switch (type) {
1.264     schwarze  923:        case LIST_bullet:
1.1       kristaps  924:                /* FALLTHROUGH */
1.264     schwarze  925:        case LIST_item:
1.1       kristaps  926:                /* FALLTHROUGH */
1.264     schwarze  927:        case LIST_dash:
1.1       kristaps  928:                /* FALLTHROUGH */
1.264     schwarze  929:        case LIST_hyphen:
1.1       kristaps  930:                /* FALLTHROUGH */
1.264     schwarze  931:        case LIST_enum:
1.86      kristaps  932:                if (MDOC_HEAD == n->type)
1.1       kristaps  933:                        return(0);
                    934:                break;
1.264     schwarze  935:        case LIST_column:
1.134     kristaps  936:                if (MDOC_HEAD == n->type)
1.1       kristaps  937:                        return(0);
                    938:                break;
                    939:        default:
                    940:                break;
                    941:        }
                    942:
                    943:        return(1);
                    944: }
                    945:
                    946: static void
                    947: termp_it_post(DECL_ARGS)
                    948: {
1.126     kristaps  949:        enum mdoc_list     type;
1.1       kristaps  950:
1.109     kristaps  951:        if (MDOC_BLOCK == n->type)
1.1       kristaps  952:                return;
                    953:
1.202     kristaps  954:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  955:
                    956:        switch (type) {
1.264     schwarze  957:        case LIST_item:
1.1       kristaps  958:                /* FALLTHROUGH */
1.264     schwarze  959:        case LIST_diag:
1.53      kristaps  960:                /* FALLTHROUGH */
1.264     schwarze  961:        case LIST_inset:
1.86      kristaps  962:                if (MDOC_BODY == n->type)
1.130     schwarze  963:                        term_newln(p);
1.1       kristaps  964:                break;
1.264     schwarze  965:        case LIST_column:
1.134     kristaps  966:                if (MDOC_BODY == n->type)
1.1       kristaps  967:                        term_flushln(p);
                    968:                break;
                    969:        default:
1.130     schwarze  970:                term_newln(p);
1.1       kristaps  971:                break;
                    972:        }
                    973:
1.264     schwarze  974:        /*
1.109     kristaps  975:         * Now that our output is flushed, we can reset our tags.  Since
                    976:         * only `It' sets these flags, we're free to assume that nobody
                    977:         * has munged them in the meanwhile.
                    978:         */
                    979:
1.263     schwarze  980:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                    981:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  982:        p->trailspace = 0;
1.1       kristaps  983: }
                    984:
                    985: static int
                    986: termp_nm_pre(DECL_ARGS)
                    987: {
1.296     schwarze  988:        const char      *cp;
1.1       kristaps  989:
1.253     schwarze  990:        if (MDOC_BLOCK == n->type) {
                    991:                p->flags |= TERMP_PREKEEP;
1.164     schwarze  992:                return(1);
1.253     schwarze  993:        }
1.164     schwarze  994:
                    995:        if (MDOC_BODY == n->type) {
                    996:                if (NULL == n->child)
                    997:                        return(0);
1.234     schwarze  998:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  999:                cp = NULL;
                   1000:                if (n->prev->child != NULL)
                   1001:                    cp = n->prev->child->string;
                   1002:                if (cp == NULL)
                   1003:                        cp = meta->name;
                   1004:                if (cp == NULL)
                   1005:                        p->offset += term_len(p, 6);
                   1006:                else
                   1007:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.164     schwarze 1008:                return(1);
                   1009:        }
                   1010:
1.245     schwarze 1011:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1012:                return(0);
1.125     kristaps 1013:
1.177     schwarze 1014:        if (MDOC_HEAD == n->type)
                   1015:                synopsis_pre(p, n->parent);
1.102     kristaps 1016:
1.279     schwarze 1017:        if (MDOC_HEAD == n->type &&
1.278     schwarze 1018:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1019:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1020:                p->trailspace = 1;
1.185     schwarze 1021:                p->rmargin = p->offset + term_len(p, 1);
                   1022:                if (NULL == n->child) {
1.245     schwarze 1023:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1024:                } else if (MDOC_TEXT == n->child->type) {
                   1025:                        p->rmargin += term_strlen(p, n->child->string);
                   1026:                        if (n->child->next)
                   1027:                                p->flags |= TERMP_HANG;
                   1028:                } else {
                   1029:                        p->rmargin += term_len(p, 5);
                   1030:                        p->flags |= TERMP_HANG;
                   1031:                }
1.164     schwarze 1032:        }
                   1033:
1.102     kristaps 1034:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1035:        if (NULL == n->child)
1.245     schwarze 1036:                term_word(p, meta->name);
1.1       kristaps 1037:        return(1);
                   1038: }
                   1039:
1.164     schwarze 1040: static void
                   1041: termp_nm_post(DECL_ARGS)
                   1042: {
                   1043:
1.253     schwarze 1044:        if (MDOC_BLOCK == n->type) {
                   1045:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279     schwarze 1046:        } else if (MDOC_HEAD == n->type &&
1.278     schwarze 1047:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1048:                term_flushln(p);
1.263     schwarze 1049:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1050:                p->trailspace = 0;
1.234     schwarze 1051:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1052:                term_flushln(p);
                   1053: }
                   1054:
1.1       kristaps 1055: static int
                   1056: termp_fl_pre(DECL_ARGS)
                   1057: {
                   1058:
1.102     kristaps 1059:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1060:        term_word(p, "\\-");
1.103     kristaps 1061:
1.280     schwarze 1062:        if ( ! (n->nchild == 0 &&
                   1063:            (n->next == NULL ||
                   1064:             n->next->type == MDOC_TEXT ||
                   1065:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1066:                p->flags |= TERMP_NOSPACE;
                   1067:
1.1       kristaps 1068:        return(1);
                   1069: }
                   1070:
                   1071: static int
1.184     kristaps 1072: termp__a_pre(DECL_ARGS)
                   1073: {
                   1074:
                   1075:        if (n->prev && MDOC__A == n->prev->tok)
                   1076:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1077:                        term_word(p, "and");
                   1078:
                   1079:        return(1);
                   1080: }
                   1081:
                   1082: static int
1.61      kristaps 1083: termp_an_pre(DECL_ARGS)
                   1084: {
                   1085:
1.282     schwarze 1086:        if (n->norm->An.auth == AUTH_split) {
                   1087:                p->flags &= ~TERMP_NOSPLIT;
                   1088:                p->flags |= TERMP_SPLIT;
                   1089:                return(0);
                   1090:        }
                   1091:        if (n->norm->An.auth == AUTH_nosplit) {
                   1092:                p->flags &= ~TERMP_SPLIT;
                   1093:                p->flags |= TERMP_NOSPLIT;
                   1094:                return(0);
                   1095:        }
1.264     schwarze 1096:
1.282     schwarze 1097:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1098:                term_newln(p);
                   1099:
1.282     schwarze 1100:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1101:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1102:
                   1103:        return(1);
                   1104: }
                   1105:
                   1106: static int
1.1       kristaps 1107: termp_ns_pre(DECL_ARGS)
                   1108: {
                   1109:
1.215     kristaps 1110:        if ( ! (MDOC_LINE & n->flags))
                   1111:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1112:        return(1);
                   1113: }
                   1114:
                   1115: static int
                   1116: termp_rs_pre(DECL_ARGS)
                   1117: {
                   1118:
1.86      kristaps 1119:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1120:                return(1);
1.86      kristaps 1121:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1122:                term_vspace(p);
                   1123:        return(1);
                   1124: }
                   1125:
                   1126: static int
                   1127: termp_rv_pre(DECL_ARGS)
                   1128: {
1.223     kristaps 1129:        int              nchild;
1.1       kristaps 1130:
                   1131:        term_newln(p);
                   1132:
1.223     kristaps 1133:        nchild = n->nchild;
1.273     schwarze 1134:        if (nchild > 0) {
                   1135:                term_word(p, "The");
1.224     kristaps 1136:
1.273     schwarze 1137:                for (n = n->child; n; n = n->next) {
                   1138:                        term_fontpush(p, TERMFONT_BOLD);
                   1139:                        term_word(p, n->string);
                   1140:                        term_fontpop(p);
1.223     kristaps 1141:
                   1142:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1143:                        term_word(p, "()");
                   1144:
                   1145:                        if (n->next == NULL)
                   1146:                                continue;
                   1147:
                   1148:                        if (nchild > 2) {
                   1149:                                p->flags |= TERMP_NOSPACE;
                   1150:                                term_word(p, ",");
                   1151:                        }
                   1152:                        if (n->next->next == NULL)
                   1153:                                term_word(p, "and");
1.223     kristaps 1154:                }
                   1155:
1.273     schwarze 1156:                if (nchild > 1)
                   1157:                        term_word(p, "functions return");
                   1158:                else
                   1159:                        term_word(p, "function returns");
                   1160:
                   1161:                term_word(p, "the value\\~0 if successful;");
                   1162:        } else
                   1163:                term_word(p, "Upon successful completion,"
                   1164:                    " the value\\~0 is returned;");
1.1       kristaps 1165:
1.273     schwarze 1166:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1167:            " and the global variable");
1.1       kristaps 1168:
1.102     kristaps 1169:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1170:        term_word(p, "errno");
1.102     kristaps 1171:        term_fontpop(p);
1.1       kristaps 1172:
1.264     schwarze 1173:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1174:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1175:
1.68      kristaps 1176:        return(0);
1.1       kristaps 1177: }
                   1178:
                   1179: static int
                   1180: termp_ex_pre(DECL_ARGS)
                   1181: {
1.224     kristaps 1182:        int              nchild;
1.1       kristaps 1183:
1.224     kristaps 1184:        term_newln(p);
1.68      kristaps 1185:        term_word(p, "The");
1.1       kristaps 1186:
1.224     kristaps 1187:        nchild = n->nchild;
                   1188:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1189:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1190:                term_word(p, n->string);
1.102     kristaps 1191:                term_fontpop(p);
1.224     kristaps 1192:
                   1193:                if (nchild > 2 && n->next) {
                   1194:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1195:                        term_word(p, ",");
1.224     kristaps 1196:                }
                   1197:
                   1198:                if (n->next && NULL == n->next->next)
                   1199:                        term_word(p, "and");
1.68      kristaps 1200:        }
                   1201:
1.224     kristaps 1202:        if (nchild > 1)
1.273     schwarze 1203:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1204:        else
1.273     schwarze 1205:                term_word(p, "utility exits\\~0");
1.68      kristaps 1206:
1.273     schwarze 1207:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1208:
1.131     kristaps 1209:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1210:        return(0);
1.1       kristaps 1211: }
                   1212:
                   1213: static int
                   1214: termp_nd_pre(DECL_ARGS)
                   1215: {
1.25      kristaps 1216:
1.297     schwarze 1217:        if (n->type == MDOC_BODY)
                   1218:                term_word(p, "\\(en");
1.1       kristaps 1219:        return(1);
1.115     kristaps 1220: }
                   1221:
                   1222: static int
                   1223: termp_bl_pre(DECL_ARGS)
                   1224: {
                   1225:
                   1226:        return(MDOC_HEAD != n->type);
1.1       kristaps 1227: }
                   1228:
                   1229: static void
                   1230: termp_bl_post(DECL_ARGS)
                   1231: {
                   1232:
1.86      kristaps 1233:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1234:                term_newln(p);
                   1235: }
                   1236:
                   1237: static int
                   1238: termp_xr_pre(DECL_ARGS)
                   1239: {
                   1240:
1.225     kristaps 1241:        if (NULL == (n = n->child))
1.113     kristaps 1242:                return(0);
                   1243:
1.225     kristaps 1244:        assert(MDOC_TEXT == n->type);
                   1245:        term_word(p, n->string);
1.11      kristaps 1246:
1.264     schwarze 1247:        if (NULL == (n = n->next))
1.1       kristaps 1248:                return(0);
1.225     kristaps 1249:
1.1       kristaps 1250:        p->flags |= TERMP_NOSPACE;
                   1251:        term_word(p, "(");
1.222     kristaps 1252:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1253:
                   1254:        assert(MDOC_TEXT == n->type);
                   1255:        term_word(p, n->string);
                   1256:
1.222     kristaps 1257:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1258:        term_word(p, ")");
1.86      kristaps 1259:
1.1       kristaps 1260:        return(0);
                   1261: }
                   1262:
1.143     kristaps 1263: /*
                   1264:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1265:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1266:  * macro combos).
                   1267:  */
                   1268: static void
                   1269: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1270: {
1.264     schwarze 1271:        /*
1.143     kristaps 1272:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1273:         * exist, do nothing.
                   1274:         */
1.160     kristaps 1275:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1276:                return;
                   1277:
                   1278:        /*
                   1279:         * If we're the second in a pair of like elements, emit our
                   1280:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1281:         * case we soldier on.
                   1282:         */
1.264     schwarze 1283:        if (n->prev->tok == n->tok &&
                   1284:            MDOC_Ft != n->tok &&
                   1285:            MDOC_Fo != n->tok &&
                   1286:            MDOC_Fn != n->tok) {
1.143     kristaps 1287:                term_newln(p);
                   1288:                return;
                   1289:        }
                   1290:
                   1291:        /*
                   1292:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1293:         * another (or Fn/Fo, which we've let slip through) then assert
                   1294:         * vertical space, else only newline and move on.
                   1295:         */
                   1296:        switch (n->prev->tok) {
1.264     schwarze 1297:        case MDOC_Fd:
1.143     kristaps 1298:                /* FALLTHROUGH */
1.264     schwarze 1299:        case MDOC_Fn:
1.143     kristaps 1300:                /* FALLTHROUGH */
1.264     schwarze 1301:        case MDOC_Fo:
1.143     kristaps 1302:                /* FALLTHROUGH */
1.264     schwarze 1303:        case MDOC_In:
1.143     kristaps 1304:                /* FALLTHROUGH */
1.264     schwarze 1305:        case MDOC_Vt:
1.143     kristaps 1306:                term_vspace(p);
                   1307:                break;
1.264     schwarze 1308:        case MDOC_Ft:
1.143     kristaps 1309:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1310:                        term_vspace(p);
                   1311:                        break;
                   1312:                }
                   1313:                /* FALLTHROUGH */
                   1314:        default:
                   1315:                term_newln(p);
                   1316:                break;
                   1317:        }
                   1318: }
                   1319:
1.110     kristaps 1320: static int
                   1321: termp_vt_pre(DECL_ARGS)
                   1322: {
                   1323:
1.143     kristaps 1324:        if (MDOC_ELEM == n->type) {
                   1325:                synopsis_pre(p, n);
1.245     schwarze 1326:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1327:        } else if (MDOC_BLOCK == n->type) {
                   1328:                synopsis_pre(p, n);
                   1329:                return(1);
                   1330:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1331:                return(0);
                   1332:
1.245     schwarze 1333:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1334: }
                   1335:
1.1       kristaps 1336: static int
1.69      kristaps 1337: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1338: {
                   1339:
1.102     kristaps 1340:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1341:        return(1);
                   1342: }
                   1343:
1.143     kristaps 1344: static int
                   1345: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1346: {
                   1347:
1.143     kristaps 1348:        synopsis_pre(p, n);
1.245     schwarze 1349:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1350: }
                   1351:
1.241     schwarze 1352: static void
                   1353: termp_fd_post(DECL_ARGS)
                   1354: {
                   1355:
                   1356:        term_newln(p);
                   1357: }
                   1358:
1.1       kristaps 1359: static int
                   1360: termp_sh_pre(DECL_ARGS)
                   1361: {
1.85      kristaps 1362:
1.86      kristaps 1363:        switch (n->type) {
1.264     schwarze 1364:        case MDOC_BLOCK:
1.293     schwarze 1365:                /*
                   1366:                 * Vertical space before sections, except
                   1367:                 * when the previous section was empty.
                   1368:                 */
                   1369:                if (n->prev == NULL ||
                   1370:                    MDOC_Sh != n->prev->tok ||
                   1371:                    (n->prev->body != NULL &&
                   1372:                     n->prev->body->child != NULL))
                   1373:                        term_vspace(p);
1.65      kristaps 1374:                break;
1.264     schwarze 1375:        case MDOC_HEAD:
1.102     kristaps 1376:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1377:                break;
1.264     schwarze 1378:        case MDOC_BODY:
1.238     schwarze 1379:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1380:                if (SEC_AUTHORS == n->sec)
                   1381:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1382:                break;
                   1383:        default:
                   1384:                break;
                   1385:        }
                   1386:        return(1);
                   1387: }
                   1388:
                   1389: static void
                   1390: termp_sh_post(DECL_ARGS)
                   1391: {
                   1392:
1.86      kristaps 1393:        switch (n->type) {
1.264     schwarze 1394:        case MDOC_HEAD:
1.1       kristaps 1395:                term_newln(p);
                   1396:                break;
1.264     schwarze 1397:        case MDOC_BODY:
1.1       kristaps 1398:                term_newln(p);
                   1399:                p->offset = 0;
                   1400:                break;
                   1401:        default:
                   1402:                break;
                   1403:        }
                   1404: }
                   1405:
                   1406: static int
                   1407: termp_bt_pre(DECL_ARGS)
                   1408: {
                   1409:
                   1410:        term_word(p, "is currently in beta test.");
1.131     kristaps 1411:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1412:        return(0);
1.1       kristaps 1413: }
                   1414:
                   1415: static void
                   1416: termp_lb_post(DECL_ARGS)
                   1417: {
                   1418:
1.122     kristaps 1419:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1420:                term_newln(p);
1.1       kristaps 1421: }
                   1422:
                   1423: static int
                   1424: termp_ud_pre(DECL_ARGS)
                   1425: {
                   1426:
                   1427:        term_word(p, "currently under development.");
1.131     kristaps 1428:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1429:        return(0);
1.1       kristaps 1430: }
                   1431:
                   1432: static int
                   1433: termp_d1_pre(DECL_ARGS)
                   1434: {
                   1435:
1.86      kristaps 1436:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1437:                return(1);
                   1438:        term_newln(p);
1.238     schwarze 1439:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1440:        return(1);
                   1441: }
                   1442:
                   1443: static int
                   1444: termp_ft_pre(DECL_ARGS)
                   1445: {
                   1446:
1.141     kristaps 1447:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1448:        synopsis_pre(p, n);
1.102     kristaps 1449:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1450:        return(1);
                   1451: }
                   1452:
                   1453: static int
                   1454: termp_fn_pre(DECL_ARGS)
                   1455: {
1.257     schwarze 1456:        size_t           rmargin = 0;
1.226     kristaps 1457:        int              pretty;
                   1458:
                   1459:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1460:
1.143     kristaps 1461:        synopsis_pre(p, n);
1.139     kristaps 1462:
1.226     kristaps 1463:        if (NULL == (n = n->child))
                   1464:                return(0);
                   1465:
1.251     schwarze 1466:        if (pretty) {
                   1467:                rmargin = p->rmargin;
1.257     schwarze 1468:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1469:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1470:        }
                   1471:
1.226     kristaps 1472:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1473:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1474:        term_word(p, n->string);
1.102     kristaps 1475:        term_fontpop(p);
1.1       kristaps 1476:
1.251     schwarze 1477:        if (pretty) {
                   1478:                term_flushln(p);
1.263     schwarze 1479:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1480:                p->offset = p->rmargin;
                   1481:                p->rmargin = rmargin;
                   1482:        }
                   1483:
1.1       kristaps 1484:        p->flags |= TERMP_NOSPACE;
                   1485:        term_word(p, "(");
1.222     kristaps 1486:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1487:
1.226     kristaps 1488:        for (n = n->next; n; n = n->next) {
                   1489:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1490:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1491:                if (pretty)
                   1492:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1493:                term_word(p, n->string);
1.102     kristaps 1494:                term_fontpop(p);
                   1495:
1.226     kristaps 1496:                if (n->next) {
1.222     kristaps 1497:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1498:                        term_word(p, ",");
1.222     kristaps 1499:                }
1.1       kristaps 1500:        }
                   1501:
1.222     kristaps 1502:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1503:        term_word(p, ")");
                   1504:
1.226     kristaps 1505:        if (pretty) {
1.222     kristaps 1506:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1507:                term_word(p, ";");
1.251     schwarze 1508:                term_flushln(p);
1.222     kristaps 1509:        }
1.1       kristaps 1510:
                   1511:        return(0);
                   1512: }
                   1513:
                   1514: static int
                   1515: termp_fa_pre(DECL_ARGS)
                   1516: {
1.86      kristaps 1517:        const struct mdoc_node  *nn;
1.1       kristaps 1518:
1.86      kristaps 1519:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1520:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1521:                return(1);
                   1522:        }
                   1523:
1.86      kristaps 1524:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1525:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1526:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1527:                term_word(p, nn->string);
1.102     kristaps 1528:                term_fontpop(p);
                   1529:
1.256     schwarze 1530:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1531:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1532:                        term_word(p, ",");
1.222     kristaps 1533:                }
1.1       kristaps 1534:        }
                   1535:
                   1536:        return(0);
                   1537: }
                   1538:
                   1539: static int
                   1540: termp_bd_pre(DECL_ARGS)
                   1541: {
1.272     schwarze 1542:        size_t                   tabwidth, lm, len, rm, rmax;
1.244     schwarze 1543:        struct mdoc_node        *nn;
1.302     schwarze 1544:        int                      offset;
1.1       kristaps 1545:
1.86      kristaps 1546:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1547:                print_bvspace(p, n, n);
1.54      kristaps 1548:                return(1);
1.116     kristaps 1549:        } else if (MDOC_HEAD == n->type)
                   1550:                return(0);
1.1       kristaps 1551:
1.288     schwarze 1552:        /* Handle the -offset argument. */
                   1553:
                   1554:        if (n->norm->Bd.offs == NULL ||
                   1555:            ! strcmp(n->norm->Bd.offs, "left"))
                   1556:                /* nothing */;
                   1557:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1558:                p->offset += term_len(p, p->defindent + 1);
                   1559:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1560:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1561:        else {
                   1562:                offset = a2width(p, n->norm->Bd.offs);
                   1563:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1564:                        p->offset = 0;
                   1565:                else if (offset < SHRT_MAX)
                   1566:                        p->offset += offset;
                   1567:        }
1.85      kristaps 1568:
                   1569:        /*
                   1570:         * If -ragged or -filled are specified, the block does nothing
                   1571:         * but change the indentation.  If -unfilled or -literal are
                   1572:         * specified, text is printed exactly as entered in the display:
                   1573:         * for macro lines, a newline is appended to the line.  Blank
                   1574:         * lines are allowed.
                   1575:         */
1.264     schwarze 1576:
                   1577:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1578:            DISP_unfilled != n->norm->Bd.type &&
                   1579:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1580:                return(1);
                   1581:
1.129     schwarze 1582:        tabwidth = p->tabwidth;
1.208     kristaps 1583:        if (DISP_literal == n->norm->Bd.type)
                   1584:                p->tabwidth = term_len(p, 8);
                   1585:
1.272     schwarze 1586:        lm = p->offset;
1.119     kristaps 1587:        rm = p->rmargin;
                   1588:        rmax = p->maxrmargin;
1.120     kristaps 1589:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1590:
1.86      kristaps 1591:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1592:                if (DISP_centered == n->norm->Bd.type) {
                   1593:                        if (MDOC_TEXT == nn->type) {
                   1594:                                len = term_strlen(p, nn->string);
                   1595:                                p->offset = len >= rm ? 0 :
                   1596:                                    lm + len >= rm ? rm - len :
                   1597:                                    (lm + rm - len) / 2;
                   1598:                        } else
                   1599:                                p->offset = lm;
                   1600:                }
1.245     schwarze 1601:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1602:                /*
                   1603:                 * If the printed node flushes its own line, then we
                   1604:                 * needn't do it here as well.  This is hacky, but the
                   1605:                 * notion of selective eoln whitespace is pretty dumb
                   1606:                 * anyway, so don't sweat it.
                   1607:                 */
                   1608:                switch (nn->tok) {
1.264     schwarze 1609:                case MDOC_Sm:
1.193     kristaps 1610:                        /* FALLTHROUGH */
1.264     schwarze 1611:                case MDOC_br:
1.190     kristaps 1612:                        /* FALLTHROUGH */
1.264     schwarze 1613:                case MDOC_sp:
1.190     kristaps 1614:                        /* FALLTHROUGH */
1.264     schwarze 1615:                case MDOC_Bl:
1.196     kristaps 1616:                        /* FALLTHROUGH */
1.264     schwarze 1617:                case MDOC_D1:
1.196     kristaps 1618:                        /* FALLTHROUGH */
1.264     schwarze 1619:                case MDOC_Dl:
1.190     kristaps 1620:                        /* FALLTHROUGH */
1.264     schwarze 1621:                case MDOC_Lp:
1.190     kristaps 1622:                        /* FALLTHROUGH */
1.264     schwarze 1623:                case MDOC_Pp:
1.190     kristaps 1624:                        continue;
                   1625:                default:
                   1626:                        break;
                   1627:                }
1.299     schwarze 1628:                if (p->flags & TERMP_NONEWLINE ||
                   1629:                    (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180     schwarze 1630:                        continue;
                   1631:                term_flushln(p);
                   1632:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1633:        }
1.147     kristaps 1634:
1.129     schwarze 1635:        p->tabwidth = tabwidth;
1.119     kristaps 1636:        p->rmargin = rm;
                   1637:        p->maxrmargin = rmax;
1.1       kristaps 1638:        return(0);
                   1639: }
                   1640:
                   1641: static void
                   1642: termp_bd_post(DECL_ARGS)
                   1643: {
1.119     kristaps 1644:        size_t           rm, rmax;
1.1       kristaps 1645:
1.264     schwarze 1646:        if (MDOC_BODY != n->type)
1.1       kristaps 1647:                return;
1.118     kristaps 1648:
1.119     kristaps 1649:        rm = p->rmargin;
                   1650:        rmax = p->maxrmargin;
1.118     kristaps 1651:
1.264     schwarze 1652:        if (DISP_literal == n->norm->Bd.type ||
                   1653:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1654:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1655:
1.60      kristaps 1656:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1657:        term_newln(p);
1.118     kristaps 1658:
1.119     kristaps 1659:        p->rmargin = rm;
                   1660:        p->maxrmargin = rmax;
1.1       kristaps 1661: }
                   1662:
1.211     kristaps 1663: static int
                   1664: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1665: {
                   1666:
1.211     kristaps 1667:        if (NULL != (n = n->child)) {
                   1668:                term_word(p, n->string);
                   1669:                p->flags |= TERMP_NOSPACE;
                   1670:                term_word(p, "BSD");
                   1671:        } else {
                   1672:                term_word(p, "BSD");
                   1673:                return(0);
                   1674:        }
                   1675:
                   1676:        if (NULL != (n = n->next)) {
                   1677:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1678:                term_word(p, "-");
1.1       kristaps 1679:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1680:                term_word(p, n->string);
1.211     kristaps 1681:        }
                   1682:
                   1683:        return(0);
1.1       kristaps 1684: }
                   1685:
                   1686: static int
1.26      kristaps 1687: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1688: {
1.26      kristaps 1689:        const char      *pp;
1.218     schwarze 1690:        int              flags;
1.1       kristaps 1691:
1.26      kristaps 1692:        pp = NULL;
1.86      kristaps 1693:        switch (n->tok) {
1.264     schwarze 1694:        case MDOC_Bsx:
1.194     schwarze 1695:                pp = "BSD/OS";
1.26      kristaps 1696:                break;
1.264     schwarze 1697:        case MDOC_Dx:
1.100     kristaps 1698:                pp = "DragonFly";
1.26      kristaps 1699:                break;
1.264     schwarze 1700:        case MDOC_Fx:
1.26      kristaps 1701:                pp = "FreeBSD";
                   1702:                break;
1.264     schwarze 1703:        case MDOC_Nx:
1.26      kristaps 1704:                pp = "NetBSD";
                   1705:                break;
1.264     schwarze 1706:        case MDOC_Ox:
1.26      kristaps 1707:                pp = "OpenBSD";
                   1708:                break;
1.264     schwarze 1709:        case MDOC_Ux:
1.26      kristaps 1710:                pp = "UNIX";
                   1711:                break;
                   1712:        default:
1.246     schwarze 1713:                abort();
                   1714:                /* NOTREACHED */
1.26      kristaps 1715:        }
1.1       kristaps 1716:
1.26      kristaps 1717:        term_word(p, pp);
1.214     kristaps 1718:        if (n->child) {
1.218     schwarze 1719:                flags = p->flags;
1.214     kristaps 1720:                p->flags |= TERMP_KEEP;
                   1721:                term_word(p, n->child->string);
1.218     schwarze 1722:                p->flags = flags;
1.214     kristaps 1723:        }
                   1724:        return(0);
1.1       kristaps 1725: }
                   1726:
                   1727: static void
                   1728: termp_pf_post(DECL_ARGS)
                   1729: {
                   1730:
1.298     schwarze 1731:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1732:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 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;
1.274     schwarze 1749:        case MDOC_BODY:
                   1750:                p->offset = term_len(p, p->defindent);
                   1751:                break;
1.1       kristaps 1752:        default:
                   1753:                break;
                   1754:        }
                   1755:
                   1756:        return(1);
                   1757: }
                   1758:
                   1759: static void
                   1760: termp_ss_post(DECL_ARGS)
                   1761: {
                   1762:
1.274     schwarze 1763:        if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1       kristaps 1764:                term_newln(p);
                   1765: }
                   1766:
                   1767: static int
                   1768: termp_cd_pre(DECL_ARGS)
                   1769: {
                   1770:
1.143     kristaps 1771:        synopsis_pre(p, n);
1.102     kristaps 1772:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1773:        return(1);
                   1774: }
                   1775:
                   1776: static int
                   1777: termp_in_pre(DECL_ARGS)
                   1778: {
1.142     schwarze 1779:
1.143     kristaps 1780:        synopsis_pre(p, n);
1.1       kristaps 1781:
1.160     kristaps 1782:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1783:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1784:                term_word(p, "#include");
1.138     kristaps 1785:                term_word(p, "<");
                   1786:        } else {
                   1787:                term_word(p, "<");
                   1788:                term_fontpush(p, TERMFONT_UNDER);
                   1789:        }
1.22      kristaps 1790:
1.1       kristaps 1791:        p->flags |= TERMP_NOSPACE;
                   1792:        return(1);
                   1793: }
                   1794:
                   1795: static void
                   1796: termp_in_post(DECL_ARGS)
                   1797: {
                   1798:
1.160     kristaps 1799:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1800:                term_fontpush(p, TERMFONT_BOLD);
                   1801:
1.79      kristaps 1802:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1803:        term_word(p, ">");
                   1804:
1.160     kristaps 1805:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1806:                term_fontpop(p);
1.1       kristaps 1807: }
                   1808:
                   1809: static int
1.45      kristaps 1810: termp_sp_pre(DECL_ARGS)
                   1811: {
1.300     schwarze 1812:        struct roffsu    su;
1.312     schwarze 1813:        int              i, len;
1.45      kristaps 1814:
1.86      kristaps 1815:        switch (n->tok) {
1.264     schwarze 1816:        case MDOC_sp:
1.300     schwarze 1817:                if (n->child) {
                   1818:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1819:                                su.scale = 1.0;
                   1820:                        len = term_vspan(p, &su);
                   1821:                } else
                   1822:                        len = 1;
1.76      kristaps 1823:                break;
1.264     schwarze 1824:        case MDOC_br:
1.76      kristaps 1825:                len = 0;
                   1826:                break;
                   1827:        default:
                   1828:                len = 1;
                   1829:                break;
1.45      kristaps 1830:        }
                   1831:
                   1832:        if (0 == len)
                   1833:                term_newln(p);
1.312     schwarze 1834:        else if (len < 0)
                   1835:                p->skipvsp -= len;
                   1836:        else
                   1837:                for (i = 0; i < len; i++)
                   1838:                        term_vspace(p);
1.45      kristaps 1839:
                   1840:        return(0);
                   1841: }
                   1842:
                   1843: static int
1.294     schwarze 1844: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1845: {
                   1846:
                   1847:        return(0);
                   1848: }
                   1849:
                   1850: static int
1.188     kristaps 1851: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1852: {
                   1853:
1.203     kristaps 1854:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1855:                return(1);
                   1856:
1.188     kristaps 1857:        switch (n->tok) {
1.264     schwarze 1858:        case MDOC_Ao:
1.188     kristaps 1859:                /* FALLTHROUGH */
1.264     schwarze 1860:        case MDOC_Aq:
1.303     schwarze 1861:                term_word(p, n->nchild == 1 &&
                   1862:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1863:                break;
1.264     schwarze 1864:        case MDOC_Bro:
1.188     kristaps 1865:                /* FALLTHROUGH */
1.264     schwarze 1866:        case MDOC_Brq:
1.188     kristaps 1867:                term_word(p, "{");
                   1868:                break;
1.264     schwarze 1869:        case MDOC_Oo:
1.188     kristaps 1870:                /* FALLTHROUGH */
1.264     schwarze 1871:        case MDOC_Op:
1.188     kristaps 1872:                /* FALLTHROUGH */
1.264     schwarze 1873:        case MDOC_Bo:
1.188     kristaps 1874:                /* FALLTHROUGH */
1.264     schwarze 1875:        case MDOC_Bq:
1.188     kristaps 1876:                term_word(p, "[");
                   1877:                break;
1.264     schwarze 1878:        case MDOC_Do:
1.188     kristaps 1879:                /* FALLTHROUGH */
1.264     schwarze 1880:        case MDOC_Dq:
1.311     schwarze 1881:                term_word(p, "\\(Lq");
1.188     kristaps 1882:                break;
1.268     schwarze 1883:        case MDOC_En:
                   1884:                if (NULL == n->norm->Es ||
                   1885:                    NULL == n->norm->Es->child)
                   1886:                        return(1);
                   1887:                term_word(p, n->norm->Es->child->string);
                   1888:                break;
1.264     schwarze 1889:        case MDOC_Po:
1.188     kristaps 1890:                /* FALLTHROUGH */
1.264     schwarze 1891:        case MDOC_Pq:
1.188     kristaps 1892:                term_word(p, "(");
                   1893:                break;
1.264     schwarze 1894:        case MDOC__T:
1.205     kristaps 1895:                /* FALLTHROUGH */
1.264     schwarze 1896:        case MDOC_Qo:
1.188     kristaps 1897:                /* FALLTHROUGH */
1.264     schwarze 1898:        case MDOC_Qq:
1.188     kristaps 1899:                term_word(p, "\"");
                   1900:                break;
1.264     schwarze 1901:        case MDOC_Ql:
1.188     kristaps 1902:                /* FALLTHROUGH */
1.264     schwarze 1903:        case MDOC_So:
1.188     kristaps 1904:                /* FALLTHROUGH */
1.264     schwarze 1905:        case MDOC_Sq:
1.249     schwarze 1906:                term_word(p, "\\(oq");
1.188     kristaps 1907:                break;
                   1908:        default:
                   1909:                abort();
                   1910:                /* NOTREACHED */
                   1911:        }
1.1       kristaps 1912:
                   1913:        p->flags |= TERMP_NOSPACE;
                   1914:        return(1);
                   1915: }
                   1916:
                   1917: static void
1.188     kristaps 1918: termp_quote_post(DECL_ARGS)
1.1       kristaps 1919: {
                   1920:
1.295     schwarze 1921:        if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1       kristaps 1922:                return;
                   1923:
1.306     schwarze 1924:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1925:
1.188     kristaps 1926:        switch (n->tok) {
1.264     schwarze 1927:        case MDOC_Ao:
1.188     kristaps 1928:                /* FALLTHROUGH */
1.264     schwarze 1929:        case MDOC_Aq:
1.303     schwarze 1930:                term_word(p, n->nchild == 1 &&
                   1931:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1932:                break;
1.264     schwarze 1933:        case MDOC_Bro:
1.188     kristaps 1934:                /* FALLTHROUGH */
1.264     schwarze 1935:        case MDOC_Brq:
1.188     kristaps 1936:                term_word(p, "}");
                   1937:                break;
1.264     schwarze 1938:        case MDOC_Oo:
1.188     kristaps 1939:                /* FALLTHROUGH */
1.264     schwarze 1940:        case MDOC_Op:
1.188     kristaps 1941:                /* FALLTHROUGH */
1.264     schwarze 1942:        case MDOC_Bo:
1.188     kristaps 1943:                /* FALLTHROUGH */
1.264     schwarze 1944:        case MDOC_Bq:
1.188     kristaps 1945:                term_word(p, "]");
                   1946:                break;
1.264     schwarze 1947:        case MDOC_Do:
1.188     kristaps 1948:                /* FALLTHROUGH */
1.264     schwarze 1949:        case MDOC_Dq:
1.311     schwarze 1950:                term_word(p, "\\(Rq");
1.268     schwarze 1951:                break;
                   1952:        case MDOC_En:
1.306     schwarze 1953:                if (n->norm->Es == NULL ||
                   1954:                    n->norm->Es->child == NULL ||
                   1955:                    n->norm->Es->child->next == NULL)
                   1956:                        p->flags &= ~TERMP_NOSPACE;
                   1957:                else
1.268     schwarze 1958:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1959:                break;
1.264     schwarze 1960:        case MDOC_Po:
1.188     kristaps 1961:                /* FALLTHROUGH */
1.264     schwarze 1962:        case MDOC_Pq:
1.188     kristaps 1963:                term_word(p, ")");
                   1964:                break;
1.264     schwarze 1965:        case MDOC__T:
1.205     kristaps 1966:                /* FALLTHROUGH */
1.264     schwarze 1967:        case MDOC_Qo:
1.188     kristaps 1968:                /* FALLTHROUGH */
1.264     schwarze 1969:        case MDOC_Qq:
1.188     kristaps 1970:                term_word(p, "\"");
                   1971:                break;
1.264     schwarze 1972:        case MDOC_Ql:
1.188     kristaps 1973:                /* FALLTHROUGH */
1.264     schwarze 1974:        case MDOC_So:
1.188     kristaps 1975:                /* FALLTHROUGH */
1.264     schwarze 1976:        case MDOC_Sq:
1.249     schwarze 1977:                term_word(p, "\\(cq");
1.188     kristaps 1978:                break;
                   1979:        default:
                   1980:                abort();
                   1981:                /* NOTREACHED */
                   1982:        }
1.306     schwarze 1983: }
                   1984:
                   1985: static int
                   1986: termp_eo_pre(DECL_ARGS)
                   1987: {
                   1988:
                   1989:        if (n->type != MDOC_BODY)
                   1990:                return(1);
                   1991:
                   1992:        if (n->end == ENDBODY_NOT &&
                   1993:            n->parent->head->child == NULL &&
                   1994:            n->child != NULL &&
                   1995:            n->child->end != ENDBODY_NOT)
                   1996:                term_word(p, "\\&");
                   1997:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1998:             n->parent->head->child != NULL && (n->child != NULL ||
                   1999:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 2000:                p->flags |= TERMP_NOSPACE;
                   2001:
                   2002:        return(1);
                   2003: }
                   2004:
                   2005: static void
                   2006: termp_eo_post(DECL_ARGS)
                   2007: {
                   2008:        int      body, tail;
                   2009:
                   2010:        if (n->type != MDOC_BODY)
                   2011:                return;
                   2012:
                   2013:        if (n->end != ENDBODY_NOT) {
                   2014:                p->flags &= ~TERMP_NOSPACE;
                   2015:                return;
                   2016:        }
                   2017:
                   2018:        body = n->child != NULL || n->parent->head->child != NULL;
                   2019:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   2020:
                   2021:        if (body && tail)
                   2022:                p->flags |= TERMP_NOSPACE;
                   2023:        else if ( ! (body || tail))
                   2024:                term_word(p, "\\&");
                   2025:        else if ( ! tail)
                   2026:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2027: }
                   2028:
                   2029: static int
                   2030: termp_fo_pre(DECL_ARGS)
                   2031: {
1.257     schwarze 2032:        size_t           rmargin = 0;
1.256     schwarze 2033:        int              pretty;
                   2034:
                   2035:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2036:
1.141     kristaps 2037:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2038:                synopsis_pre(p, n);
1.141     kristaps 2039:                return(1);
                   2040:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 2041:                if (pretty) {
                   2042:                        rmargin = p->rmargin;
1.257     schwarze 2043:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2044:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2045:                                        TERMP_HANG;
1.256     schwarze 2046:                }
1.33      kristaps 2047:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2048:                term_word(p, "(");
1.222     kristaps 2049:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2050:                if (pretty) {
                   2051:                        term_flushln(p);
1.263     schwarze 2052:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2053:                                        TERMP_HANG);
1.256     schwarze 2054:                        p->offset = p->rmargin;
                   2055:                        p->rmargin = rmargin;
                   2056:                }
1.1       kristaps 2057:                return(1);
1.256     schwarze 2058:        }
1.141     kristaps 2059:
1.169     kristaps 2060:        if (NULL == n->child)
                   2061:                return(0);
                   2062:
1.141     kristaps 2063:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2064:
1.141     kristaps 2065:        assert(n->child->string);
1.102     kristaps 2066:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2067:        term_word(p, n->child->string);
1.1       kristaps 2068:        return(0);
                   2069: }
                   2070:
                   2071: static void
                   2072: termp_fo_post(DECL_ARGS)
                   2073: {
                   2074:
1.264     schwarze 2075:        if (MDOC_BODY != n->type)
1.143     kristaps 2076:                return;
                   2077:
1.222     kristaps 2078:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2079:        term_word(p, ")");
                   2080:
1.222     kristaps 2081:        if (MDOC_SYNPRETTY & n->flags) {
                   2082:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2083:                term_word(p, ";");
1.256     schwarze 2084:                term_flushln(p);
1.222     kristaps 2085:        }
1.1       kristaps 2086: }
                   2087:
                   2088: static int
                   2089: termp_bf_pre(DECL_ARGS)
                   2090: {
                   2091:
1.86      kristaps 2092:        if (MDOC_HEAD == n->type)
1.1       kristaps 2093:                return(0);
1.244     schwarze 2094:        else if (MDOC_BODY != n->type)
1.1       kristaps 2095:                return(1);
                   2096:
1.264     schwarze 2097:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2098:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2099:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2100:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2101:        else
1.102     kristaps 2102:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2103:
                   2104:        return(1);
                   2105: }
                   2106:
                   2107: static int
                   2108: termp_sm_pre(DECL_ARGS)
                   2109: {
                   2110:
1.269     schwarze 2111:        if (NULL == n->child)
                   2112:                p->flags ^= TERMP_NONOSPACE;
                   2113:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2114:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2115:        else
1.1       kristaps 2116:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2117:
                   2118:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2119:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2120:
                   2121:        return(0);
                   2122: }
                   2123:
                   2124: static int
                   2125: termp_ap_pre(DECL_ARGS)
                   2126: {
                   2127:
                   2128:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2129:        term_word(p, "'");
1.1       kristaps 2130:        p->flags |= TERMP_NOSPACE;
                   2131:        return(1);
                   2132: }
                   2133:
                   2134: static void
                   2135: termp____post(DECL_ARGS)
                   2136: {
1.184     kristaps 2137:
                   2138:        /*
                   2139:         * Handle lists of authors.  In general, print each followed by
                   2140:         * a comma.  Don't print the comma if there are only two
                   2141:         * authors.
                   2142:         */
                   2143:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2144:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2145:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2146:                                return;
1.1       kristaps 2147:
1.95      kristaps 2148:        /* TODO: %U. */
                   2149:
1.187     kristaps 2150:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2151:                return;
                   2152:
1.222     kristaps 2153:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2154:        if (NULL == n->next) {
                   2155:                term_word(p, ".");
                   2156:                p->flags |= TERMP_SENTENCE;
                   2157:        } else
                   2158:                term_word(p, ",");
1.1       kristaps 2159: }
                   2160:
                   2161: static int
1.102     kristaps 2162: termp_li_pre(DECL_ARGS)
                   2163: {
                   2164:
                   2165:        term_fontpush(p, TERMFONT_NONE);
                   2166:        return(1);
                   2167: }
                   2168:
                   2169: static int
1.1       kristaps 2170: termp_lk_pre(DECL_ARGS)
                   2171: {
1.240     schwarze 2172:        const struct mdoc_node *link, *descr;
1.1       kristaps 2173:
1.240     schwarze 2174:        if (NULL == (link = n->child))
                   2175:                return(0);
1.181     kristaps 2176:
1.240     schwarze 2177:        if (NULL != (descr = link->next)) {
                   2178:                term_fontpush(p, TERMFONT_UNDER);
                   2179:                while (NULL != descr) {
                   2180:                        term_word(p, descr->string);
                   2181:                        descr = descr->next;
                   2182:                }
                   2183:                p->flags |= TERMP_NOSPACE;
                   2184:                term_word(p, ":");
                   2185:                term_fontpop(p);
                   2186:        }
1.1       kristaps 2187:
1.102     kristaps 2188:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2189:        term_word(p, link->string);
1.102     kristaps 2190:        term_fontpop(p);
1.12      kristaps 2191:
1.1       kristaps 2192:        return(0);
                   2193: }
                   2194:
1.159     schwarze 2195: static int
                   2196: termp_bk_pre(DECL_ARGS)
                   2197: {
                   2198:
1.161     schwarze 2199:        switch (n->type) {
1.264     schwarze 2200:        case MDOC_BLOCK:
1.166     kristaps 2201:                break;
1.264     schwarze 2202:        case MDOC_HEAD:
1.161     schwarze 2203:                return(0);
1.264     schwarze 2204:        case MDOC_BODY:
1.200     schwarze 2205:                if (n->parent->args || 0 == n->prev->nchild)
                   2206:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2207:                break;
1.161     schwarze 2208:        default:
                   2209:                abort();
1.166     kristaps 2210:                /* NOTREACHED */
1.161     schwarze 2211:        }
1.166     kristaps 2212:
                   2213:        return(1);
1.159     schwarze 2214: }
                   2215:
                   2216: static void
                   2217: termp_bk_post(DECL_ARGS)
                   2218: {
                   2219:
1.253     schwarze 2220:        if (MDOC_BODY == n->type)
1.161     schwarze 2221:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2222: }
                   2223:
                   2224: static void
                   2225: termp__t_post(DECL_ARGS)
                   2226: {
                   2227:
                   2228:        /*
                   2229:         * If we're in an `Rs' and there's a journal present, then quote
                   2230:         * us instead of underlining us (for disambiguation).
                   2231:         */
1.217     schwarze 2232:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2233:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2234:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2235:
1.245     schwarze 2236:        termp____post(p, pair, meta, n);
1.203     kristaps 2237: }
                   2238:
                   2239: static int
                   2240: termp__t_pre(DECL_ARGS)
                   2241: {
                   2242:
                   2243:        /*
                   2244:         * If we're in an `Rs' and there's a journal present, then quote
                   2245:         * us instead of underlining us (for disambiguation).
                   2246:         */
                   2247:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2248:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2249:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2250:
                   2251:        term_fontpush(p, TERMFONT_UNDER);
                   2252:        return(1);
1.159     schwarze 2253: }
1.1       kristaps 2254:
                   2255: static int
1.69      kristaps 2256: termp_under_pre(DECL_ARGS)
1.1       kristaps 2257: {
                   2258:
1.102     kristaps 2259:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2260:        return(1);
                   2261: }

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