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Annotation of mandoc/mdoc_term.c, Revision 1.337

1.337   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.336 2016/11/08 16:38:21 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.331     schwarze    4:  * Copyright (c) 2010, 2012-2016 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:  *
1.314     schwarze   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6       kristaps   12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314     schwarze   13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6       kristaps   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:
1.314     schwarze   31: #include "mandoc_aux.h"
1.125     kristaps   32: #include "mandoc.h"
1.314     schwarze   33: #include "roff.h"
                     34: #include "mdoc.h"
1.92      kristaps   35: #include "out.h"
1.1       kristaps   36: #include "term.h"
1.320     schwarze   37: #include "tag.h"
1.89      kristaps   38: #include "main.h"
1.1       kristaps   39:
                     40: struct termpair {
                     41:        struct termpair  *ppair;
1.31      kristaps   42:        int               count;
1.1       kristaps   43: };
                     44:
1.31      kristaps   45: #define        DECL_ARGS struct termp *p, \
                     46:                  struct termpair *pair, \
1.316     schwarze   47:                  const struct roff_meta *meta, \
1.315     schwarze   48:                  struct roff_node *n
1.1       kristaps   49:
                     50: struct termact {
                     51:        int     (*pre)(DECL_ARGS);
                     52:        void    (*post)(DECL_ARGS);
                     53: };
                     54:
1.302     schwarze   55: static int       a2width(const struct termp *, const char *);
1.96      kristaps   56:
                     57: static void      print_bvspace(struct termp *,
1.315     schwarze   58:                        const struct roff_node *,
                     59:                        const struct roff_node *);
1.264     schwarze   60: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   61: static void      print_mdoc_nodelist(DECL_ARGS);
1.316     schwarze   62: static void      print_mdoc_head(struct termp *, const struct roff_meta *);
                     63: static void      print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264     schwarze   64: static void      synopsis_pre(struct termp *,
1.315     schwarze   65:                        const struct roff_node *);
1.96      kristaps   66:
1.31      kristaps   67: static void      termp____post(DECL_ARGS);
1.203     kristaps   68: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   69: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   70: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   71: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   72: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   73: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_fo_post(DECL_ARGS);
                     75: static void      termp_in_post(DECL_ARGS);
                     76: static void      termp_it_post(DECL_ARGS);
                     77: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   78: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   80: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   81: static void      termp_sh_post(DECL_ARGS);
                     82: static void      termp_ss_post(DECL_ARGS);
                     83:
1.184     kristaps   84: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   85: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   86: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   87: static int       termp_ap_pre(DECL_ARGS);
                     88: static int       termp_bd_pre(DECL_ARGS);
                     89: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   90: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   91: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   92: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   93: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   94: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   95: static int       termp_cd_pre(DECL_ARGS);
                     96: static int       termp_d1_pre(DECL_ARGS);
1.306     schwarze   97: static int       termp_eo_pre(DECL_ARGS);
1.334     schwarze   98: static int       termp_em_pre(DECL_ARGS);
1.323     schwarze   99: static int       termp_er_pre(DECL_ARGS);
1.31      kristaps  100: static int       termp_ex_pre(DECL_ARGS);
                    101: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps  102: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  103: static int       termp_fl_pre(DECL_ARGS);
                    104: static int       termp_fn_pre(DECL_ARGS);
                    105: static int       termp_fo_pre(DECL_ARGS);
                    106: static int       termp_ft_pre(DECL_ARGS);
                    107: static int       termp_in_pre(DECL_ARGS);
                    108: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  109: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  110: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  111: static int       termp_lk_pre(DECL_ARGS);
                    112: static int       termp_nd_pre(DECL_ARGS);
                    113: static int       termp_nm_pre(DECL_ARGS);
                    114: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  115: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  116: static int       termp_rs_pre(DECL_ARGS);
                    117: static int       termp_rv_pre(DECL_ARGS);
                    118: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  119: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  121: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  122: static int       termp_ss_pre(DECL_ARGS);
1.334     schwarze  123: static int       termp_sy_pre(DECL_ARGS);
1.320     schwarze  124: static int       termp_tag_pre(DECL_ARGS);
1.69      kristaps  125: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  126: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  127: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  128: static int       termp_xr_pre(DECL_ARGS);
                    129: static int       termp_xx_pre(DECL_ARGS);
                    130:
1.70      kristaps  131: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  132:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  133:        { NULL, NULL }, /* Dd */
                    134:        { NULL, NULL }, /* Dt */
                    135:        { NULL, NULL }, /* Os */
                    136:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  137:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    138:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  139:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    140:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  141:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    142:        { NULL, NULL }, /* Ed */
1.115     kristaps  143:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  144:        { NULL, NULL }, /* El */
                    145:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  146:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  147:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  148:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  149:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  150:        { termp_bold_pre, NULL }, /* Cm */
1.325     schwarze  151:        { termp_li_pre, NULL }, /* Dv */
1.323     schwarze  152:        { termp_er_pre, NULL }, /* Er */
1.320     schwarze  153:        { termp_tag_pre, NULL }, /* Ev */
1.1       kristaps  154:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  155:        { termp_fa_pre, NULL }, /* Fa */
                    156:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  157:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  158:        { termp_fn_pre, NULL }, /* Fn */
                    159:        { termp_ft_pre, NULL }, /* Ft */
                    160:        { termp_bold_pre, NULL }, /* Ic */
                    161:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  162:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  163:        { termp_nd_pre, NULL }, /* Nd */
                    164:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  165:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  166:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  167:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  168:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  169:        { NULL, NULL }, /* St */
1.69      kristaps  170:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  171:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  172:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  173:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  174:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  175:        { NULL, termp____post }, /* %D */
1.84      kristaps  176:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  177:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  178:        { NULL, termp____post }, /* %N */
                    179:        { NULL, termp____post }, /* %O */
                    180:        { NULL, termp____post }, /* %P */
                    181:        { NULL, termp____post }, /* %R */
1.203     kristaps  182:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  183:        { NULL, termp____post }, /* %V */
                    184:        { NULL, NULL }, /* Ac */
1.188     kristaps  185:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    186:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  187:        { NULL, NULL }, /* At */
1.1       kristaps  188:        { NULL, NULL }, /* Bc */
1.264     schwarze  189:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  190:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    191:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  192:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  193:        { termp_bx_pre, NULL }, /* Bx */
1.294     schwarze  194:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  195:        { NULL, NULL }, /* Dc */
1.188     kristaps  196:        { termp_quote_pre, termp_quote_post }, /* Do */
                    197:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  198:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  199:        { NULL, NULL }, /* Ef */
1.334     schwarze  200:        { termp_em_pre, NULL }, /* Em */
1.306     schwarze  201:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.26      kristaps  202:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  203:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  204:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  205:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  206:        { termp_xx_pre, NULL }, /* Nx */
                    207:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  208:        { NULL, NULL }, /* Pc */
1.254     schwarze  209:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  210:        { termp_quote_pre, termp_quote_post }, /* Po */
                    211:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  212:        { NULL, NULL }, /* Qc */
1.188     kristaps  213:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    214:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    215:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  216:        { NULL, NULL }, /* Re */
                    217:        { termp_rs_pre, NULL }, /* Rs */
                    218:        { NULL, NULL }, /* Sc */
1.188     kristaps  219:        { termp_quote_pre, termp_quote_post }, /* So */
                    220:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  221:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  222:        { termp_under_pre, NULL }, /* Sx */
1.334     schwarze  223:        { termp_sy_pre, NULL }, /* Sy */
1.1       kristaps  224:        { NULL, NULL }, /* Tn */
1.26      kristaps  225:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  226:        { NULL, NULL }, /* Xc */
                    227:        { NULL, NULL }, /* Xo */
1.264     schwarze  228:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    229:        { NULL, NULL }, /* Fc */
1.188     kristaps  230:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  231:        { NULL, NULL }, /* Oc */
1.159     schwarze  232:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  233:        { NULL, NULL }, /* Ek */
                    234:        { termp_bt_pre, NULL }, /* Bt */
                    235:        { NULL, NULL }, /* Hf */
1.268     schwarze  236:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  237:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  238:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  239:        { termp_sp_pre, NULL }, /* Lp */
                    240:        { termp_lk_pre, NULL }, /* Lk */
                    241:        { termp_under_pre, NULL }, /* Mt */
                    242:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    243:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    244:        { NULL, NULL }, /* Brc */
                    245:        { NULL, termp____post }, /* %C */
1.294     schwarze  246:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  247:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  248:        { termp_xx_pre, NULL }, /* Dx */
                    249:        { NULL, termp____post }, /* %Q */
1.76      kristaps  250:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  251:        { termp_sp_pre, NULL }, /* sp */
                    252:        { NULL, termp____post }, /* %U */
                    253:        { NULL, NULL }, /* Ta */
1.260     schwarze  254:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  255: };
                    256:
1.322     schwarze  257: static int      fn_prio;
1.1       kristaps  258:
1.70      kristaps  259: void
1.318     schwarze  260: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1       kristaps  261: {
1.315     schwarze  262:        struct roff_node        *n;
1.89      kristaps  263:        struct termp            *p;
                    264:
                    265:        p = (struct termp *)arg;
1.111     kristaps  266:        p->overstep = 0;
1.281     schwarze  267:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  268:        p->tabwidth = term_len(p, 5);
1.70      kristaps  269:
1.319     schwarze  270:        n = mdoc->first->child;
1.281     schwarze  271:        if (p->synopsisonly) {
                    272:                while (n != NULL) {
                    273:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    274:                                if (n->child->next->child != NULL)
                    275:                                        print_mdoc_nodelist(p, NULL,
1.319     schwarze  276:                                            &mdoc->meta,
                    277:                                            n->child->next->child);
1.281     schwarze  278:                                term_newln(p);
                    279:                                break;
                    280:                        }
                    281:                        n = n->next;
                    282:                }
                    283:        } else {
                    284:                if (p->defindent == 0)
                    285:                        p->defindent = 5;
1.319     schwarze  286:                term_begin(p, print_mdoc_head, print_mdoc_foot,
                    287:                    &mdoc->meta);
1.337   ! schwarze  288:                while (n != NULL && n->flags & NODE_NOPRT)
        !           289:                        n = n->next;
1.281     schwarze  290:                if (n != NULL) {
                    291:                        if (n->tok != MDOC_Sh)
                    292:                                term_vspace(p);
1.319     schwarze  293:                        print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281     schwarze  294:                }
                    295:                term_end(p);
1.271     schwarze  296:        }
1.1       kristaps  297: }
                    298:
1.3       kristaps  299: static void
1.102     kristaps  300: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  301: {
                    302:
1.304     schwarze  303:        while (n != NULL) {
                    304:                print_mdoc_node(p, pair, meta, n);
                    305:                n = n->next;
                    306:        }
1.1       kristaps  307: }
                    308:
1.3       kristaps  309: static void
1.102     kristaps  310: print_mdoc_node(DECL_ARGS)
1.1       kristaps  311: {
1.102     kristaps  312:        int              chld;
1.1       kristaps  313:        struct termpair  npair;
1.30      kristaps  314:        size_t           offset, rmargin;
1.1       kristaps  315:
1.337   ! schwarze  316:        if (n->flags & NODE_NOPRT)
        !           317:                return;
        !           318:
1.70      kristaps  319:        chld = 1;
1.29      kristaps  320:        offset = p->offset;
1.30      kristaps  321:        rmargin = p->rmargin;
1.310     schwarze  322:        n->flags &= ~MDOC_ENDED;
1.305     schwarze  323:        n->prev_font = p->fonti;
1.29      kristaps  324:
1.97      kristaps  325:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  326:        npair.ppair = pair;
1.172     kristaps  327:
                    328:        /*
                    329:         * Keeps only work until the end of a line.  If a keep was
                    330:         * invoked in a prior line, revert it to PREKEEP.
                    331:         */
                    332:
1.307     schwarze  333:        if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
                    334:                p->flags &= ~TERMP_KEEP;
                    335:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  336:        }
1.197     schwarze  337:
                    338:        /*
1.217     schwarze  339:         * After the keep flags have been set up, we may now
                    340:         * produce output.  Note that some pre-handlers do so.
                    341:         */
                    342:
                    343:        switch (n->type) {
1.314     schwarze  344:        case ROFFT_TEXT:
1.217     schwarze  345:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    346:                        term_newln(p);
1.222     kristaps  347:                if (MDOC_DELIMC & n->flags)
                    348:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  349:                term_word(p, n->string);
1.222     kristaps  350:                if (MDOC_DELIMO & n->flags)
                    351:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  352:                break;
1.314     schwarze  353:        case ROFFT_EQN:
1.284     schwarze  354:                if ( ! (n->flags & MDOC_LINE))
                    355:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  356:                term_eqn(p, n->eqn);
1.286     schwarze  357:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  358:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  359:                break;
1.314     schwarze  360:        case ROFFT_TBL:
1.313     schwarze  361:                if (p->tbl.cols == NULL)
                    362:                        term_newln(p);
1.217     schwarze  363:                term_tbl(p, n->span);
                    364:                break;
                    365:        default:
1.295     schwarze  366:                if (termacts[n->tok].pre &&
1.331     schwarze  367:                    (n->end == ENDBODY_NOT || n->child != NULL))
1.217     schwarze  368:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  369:                                (p, &npair, meta, n);
1.217     schwarze  370:                break;
                    371:        }
                    372:
1.86      kristaps  373:        if (chld && n->child)
1.245     schwarze  374:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  375:
1.244     schwarze  376:        term_fontpopq(p,
1.310     schwarze  377:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  378:
1.206     kristaps  379:        switch (n->type) {
1.314     schwarze  380:        case ROFFT_TEXT:
1.206     kristaps  381:                break;
1.314     schwarze  382:        case ROFFT_TBL:
1.216     kristaps  383:                break;
1.314     schwarze  384:        case ROFFT_EQN:
1.206     kristaps  385:                break;
                    386:        default:
                    387:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    388:                        break;
1.245     schwarze  389:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  390:
                    391:                /*
                    392:                 * Explicit end tokens not only call the post
                    393:                 * handler, but also tell the respective block
                    394:                 * that it must not call the post handler again.
                    395:                 */
1.165     kristaps  396:                if (ENDBODY_NOT != n->end)
1.310     schwarze  397:                        n->body->flags |= MDOC_ENDED;
1.162     schwarze  398:
                    399:                /*
                    400:                 * End of line terminating an implicit block
                    401:                 * while an explicit block is still open.
                    402:                 * Continue the explicit block without spacing.
                    403:                 */
                    404:                if (ENDBODY_NOSPACE == n->end)
                    405:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  406:                break;
1.162     schwarze  407:        }
1.121     kristaps  408:
                    409:        if (MDOC_EOS & n->flags)
                    410:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  411:
1.260     schwarze  412:        if (MDOC_ll != n->tok) {
                    413:                p->offset = offset;
                    414:                p->rmargin = rmargin;
                    415:        }
1.1       kristaps  416: }
                    417:
1.3       kristaps  418: static void
1.316     schwarze  419: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  420: {
1.292     schwarze  421:        size_t sz;
1.144     kristaps  422:
1.102     kristaps  423:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  424:
1.264     schwarze  425:        /*
1.9       kristaps  426:         * Output the footer in new-groff style, that is, three columns
                    427:         * with the middle being the manual date and flanking columns
                    428:         * being the operating system:
                    429:         *
                    430:         * SYSTEM                  DATE                    SYSTEM
                    431:         */
                    432:
1.1       kristaps  433:        term_vspace(p);
                    434:
1.9       kristaps  435:        p->offset = 0;
1.292     schwarze  436:        sz = term_strlen(p, meta->date);
                    437:        p->rmargin = p->maxrmargin > sz ?
                    438:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  439:        p->trailspace = 1;
1.1       kristaps  440:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    441:
1.245     schwarze  442:        term_word(p, meta->os);
1.1       kristaps  443:        term_flushln(p);
                    444:
1.9       kristaps  445:        p->offset = p->rmargin;
1.292     schwarze  446:        sz = term_strlen(p, meta->os);
                    447:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  448:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  449:
1.245     schwarze  450:        term_word(p, meta->date);
1.9       kristaps  451:        term_flushln(p);
                    452:
1.1       kristaps  453:        p->offset = p->rmargin;
                    454:        p->rmargin = p->maxrmargin;
1.250     schwarze  455:        p->trailspace = 0;
1.1       kristaps  456:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  457:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  458:
1.245     schwarze  459:        term_word(p, meta->os);
1.1       kristaps  460:        term_flushln(p);
                    461:
1.9       kristaps  462:        p->offset = 0;
                    463:        p->rmargin = p->maxrmargin;
                    464:        p->flags = 0;
1.1       kristaps  465: }
                    466:
1.3       kristaps  467: static void
1.316     schwarze  468: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  469: {
1.267     schwarze  470:        char                    *volume, *title;
                    471:        size_t                   vollen, titlen;
1.1       kristaps  472:
                    473:        /*
                    474:         * The header is strange.  It has three components, which are
                    475:         * really two with the first duplicated.  It goes like this:
                    476:         *
                    477:         * IDENTIFIER              TITLE                   IDENTIFIER
                    478:         *
                    479:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    480:         * (if given, or "unknown" if not) followed by the manual page
                    481:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    482:         * string depending on the manual volume.  If not specified, it
                    483:         * switches on the manual section.
                    484:         */
1.235     schwarze  485:
1.245     schwarze  486:        assert(meta->vol);
1.267     schwarze  487:        if (NULL == meta->arch)
                    488:                volume = mandoc_strdup(meta->vol);
                    489:        else
                    490:                mandoc_asprintf(&volume, "%s (%s)",
                    491:                    meta->vol, meta->arch);
                    492:        vollen = term_strlen(p, volume);
1.1       kristaps  493:
1.275     schwarze  494:        if (NULL == meta->msec)
                    495:                title = mandoc_strdup(meta->title);
                    496:        else
                    497:                mandoc_asprintf(&title, "%s(%s)",
                    498:                    meta->title, meta->msec);
1.235     schwarze  499:        titlen = term_strlen(p, title);
1.1       kristaps  500:
1.235     schwarze  501:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  502:        p->trailspace = 1;
1.1       kristaps  503:        p->offset = 0;
1.267     schwarze  504:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    505:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  506:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  507:
                    508:        term_word(p, title);
                    509:        term_flushln(p);
                    510:
1.235     schwarze  511:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  512:        p->offset = p->rmargin;
1.267     schwarze  513:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  514:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  515:
1.267     schwarze  516:        term_word(p, volume);
1.1       kristaps  517:        term_flushln(p);
                    518:
                    519:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  520:        p->trailspace = 0;
1.235     schwarze  521:        if (p->rmargin + titlen <= p->maxrmargin) {
                    522:                p->flags |= TERMP_NOSPACE;
                    523:                p->offset = p->rmargin;
                    524:                p->rmargin = p->maxrmargin;
                    525:                term_word(p, title);
                    526:                term_flushln(p);
                    527:        }
1.1       kristaps  528:
1.235     schwarze  529:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  530:        p->offset = 0;
1.1       kristaps  531:        p->rmargin = p->maxrmargin;
1.266     schwarze  532:        free(title);
1.267     schwarze  533:        free(volume);
1.1       kristaps  534: }
                    535:
1.302     schwarze  536: static int
1.157     kristaps  537: a2width(const struct termp *p, const char *v)
1.91      kristaps  538: {
1.92      kristaps  539:        struct roffsu    su;
1.1       kristaps  540:
1.300     schwarze  541:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157     kristaps  542:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  543:                su.scale /= term_strlen(p, "0");
1.302     schwarze  544:        }
1.328     schwarze  545:        return term_hspan(p, &su) / 24;
1.1       kristaps  546: }
                    547:
1.108     kristaps  548: /*
                    549:  * Determine how much space to print out before block elements of `It'
                    550:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    551:  * too.
                    552:  */
1.54      kristaps  553: static void
1.264     schwarze  554: print_bvspace(struct termp *p,
1.315     schwarze  555:        const struct roff_node *bl,
                    556:        const struct roff_node *n)
1.1       kristaps  557: {
1.315     schwarze  558:        const struct roff_node  *nn;
1.236     schwarze  559:
                    560:        assert(n);
1.1       kristaps  561:
                    562:        term_newln(p);
1.150     kristaps  563:
1.202     kristaps  564:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  565:                return;
1.202     kristaps  566:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  567:                return;
                    568:
1.85      kristaps  569:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  570:
1.289     schwarze  571:        nn = n;
1.337   ! schwarze  572:        while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
        !           573:                nn = nn->prev;
1.289     schwarze  574:        while (nn->prev == NULL) {
                    575:                do {
                    576:                        nn = nn->parent;
1.314     schwarze  577:                        if (nn->type == ROFFT_ROOT)
1.289     schwarze  578:                                return;
1.314     schwarze  579:                } while (nn->type != ROFFT_BLOCK);
1.289     schwarze  580:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  581:                        return;
1.289     schwarze  582:                if (nn->tok == MDOC_It &&
                    583:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    584:                        break;
1.1       kristaps  585:        }
                    586:
1.85      kristaps  587:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  588:
1.202     kristaps  589:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  590:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  591:                        return;
                    592:
1.85      kristaps  593:        /* A `-diag' without body does not vspace. */
                    594:
1.202     kristaps  595:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  596:                if (n->prev && MDOC_It == n->prev->tok) {
                    597:                        assert(n->prev->body);
                    598:                        if (NULL == n->prev->body->child)
1.55      kristaps  599:                                return;
                    600:                }
                    601:
1.54      kristaps  602:        term_vspace(p);
1.260     schwarze  603: }
                    604:
                    605:
                    606: static int
                    607: termp_ll_pre(DECL_ARGS)
                    608: {
                    609:
1.331     schwarze  610:        term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.328     schwarze  611:        return 0;
1.1       kristaps  612: }
                    613:
                    614: static int
                    615: termp_it_pre(DECL_ARGS)
                    616: {
1.302     schwarze  617:        char                    buf[24];
1.315     schwarze  618:        const struct roff_node *bl, *nn;
1.302     schwarze  619:        size_t                  ncols, dcol;
                    620:        int                     i, offset, width;
1.126     kristaps  621:        enum mdoc_list          type;
1.1       kristaps  622:
1.314     schwarze  623:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps  624:                print_bvspace(p, n->parent->parent, n);
1.328     schwarze  625:                return 1;
1.54      kristaps  626:        }
1.1       kristaps  627:
1.86      kristaps  628:        bl = n->parent->parent->parent;
1.202     kristaps  629:        type = bl->norm->Bl.type;
1.1       kristaps  630:
1.264     schwarze  631:        /*
1.302     schwarze  632:         * Defaults for specific list types.
                    633:         */
                    634:
                    635:        switch (type) {
                    636:        case LIST_bullet:
                    637:        case LIST_dash:
                    638:        case LIST_hyphen:
                    639:        case LIST_enum:
                    640:                width = term_len(p, 2);
                    641:                break;
                    642:        case LIST_hang:
1.332     schwarze  643:        case LIST_tag:
1.302     schwarze  644:                width = term_len(p, 8);
                    645:                break;
                    646:        case LIST_column:
                    647:                width = term_len(p, 10);
                    648:                break;
                    649:        default:
                    650:                width = 0;
                    651:                break;
                    652:        }
                    653:        offset = 0;
                    654:
                    655:        /*
1.108     kristaps  656:         * First calculate width and offset.  This is pretty easy unless
                    657:         * we're a -column list, in which case all prior columns must
                    658:         * be accounted for.
                    659:         */
                    660:
1.302     schwarze  661:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  662:                offset = a2width(p, bl->norm->Bl.offs);
1.302     schwarze  663:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    664:                        offset = -p->offset;
                    665:                else if (offset > SHRT_MAX)
                    666:                        offset = 0;
                    667:        }
1.152     kristaps  668:
1.1       kristaps  669:        switch (type) {
1.264     schwarze  670:        case LIST_column:
1.314     schwarze  671:                if (n->type == ROFFT_HEAD)
1.1       kristaps  672:                        break;
1.155     kristaps  673:
1.105     kristaps  674:                /*
1.108     kristaps  675:                 * Imitate groff's column handling:
                    676:                 * - For each earlier column, add its width.
                    677:                 * - For less than 5 columns, add four more blanks per
                    678:                 *   column.
                    679:                 * - For exactly 5 columns, add three more blank per
                    680:                 *   column.
                    681:                 * - For more than 5 columns, add only one column.
1.105     kristaps  682:                 */
1.202     kristaps  683:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  684:                dcol = ncols < 5 ? term_len(p, 4) :
                    685:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  686:
1.134     kristaps  687:                /*
1.314     schwarze  688:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    689:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134     kristaps  690:                 */
                    691:
1.264     schwarze  692:                for (i = 0, nn = n->prev;
                    693:                    nn->prev && i < (int)ncols;
                    694:                    nn = nn->prev, i++)
                    695:                        offset += dcol + a2width(p,
                    696:                            bl->norm->Bl.cols[i]);
1.105     kristaps  697:
                    698:                /*
1.108     kristaps  699:                 * When exceeding the declared number of columns, leave
                    700:                 * the remaining widths at 0.  This will later be
                    701:                 * adjusted to the default width of 10, or, for the last
                    702:                 * column, stretched to the right margin.
1.58      kristaps  703:                 */
1.108     kristaps  704:                if (i >= (int)ncols)
                    705:                        break;
1.58      kristaps  706:
1.105     kristaps  707:                /*
1.108     kristaps  708:                 * Use the declared column widths, extended as explained
                    709:                 * in the preceding paragraph.
1.105     kristaps  710:                 */
1.202     kristaps  711:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  712:                break;
                    713:        default:
1.202     kristaps  714:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  715:                        break;
                    716:
1.264     schwarze  717:                /*
1.108     kristaps  718:                 * Note: buffer the width by 2, which is groff's magic
                    719:                 * number for buffering single arguments.  See the above
                    720:                 * handling for column for how this changes.
                    721:                 */
1.202     kristaps  722:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302     schwarze  723:                if (width < 0 && (size_t)(-width) > p->offset)
                    724:                        width = -p->offset;
                    725:                else if (width > SHRT_MAX)
                    726:                        width = 0;
1.1       kristaps  727:                break;
                    728:        }
                    729:
1.264     schwarze  730:        /*
1.17      kristaps  731:         * Whitespace control.  Inset bodies need an initial space,
                    732:         * while diagonal bodies need two.
1.1       kristaps  733:         */
                    734:
1.51      kristaps  735:        p->flags |= TERMP_NOSPACE;
                    736:
1.1       kristaps  737:        switch (type) {
1.264     schwarze  738:        case LIST_diag:
1.314     schwarze  739:                if (n->type == ROFFT_BODY)
1.62      kristaps  740:                        term_word(p, "\\ \\ ");
1.51      kristaps  741:                break;
1.264     schwarze  742:        case LIST_inset:
1.331     schwarze  743:                if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51      kristaps  744:                        term_word(p, "\\ ");
1.1       kristaps  745:                break;
                    746:        default:
                    747:                break;
                    748:        }
                    749:
1.51      kristaps  750:        p->flags |= TERMP_NOSPACE;
                    751:
1.1       kristaps  752:        switch (type) {
1.264     schwarze  753:        case LIST_diag:
1.314     schwarze  754:                if (n->type == ROFFT_HEAD)
1.102     kristaps  755:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  756:                break;
                    757:        default:
                    758:                break;
                    759:        }
                    760:
                    761:        /*
1.109     kristaps  762:         * Pad and break control.  This is the tricky part.  These flags
                    763:         * are documented in term_flushln() in term.c.  Note that we're
                    764:         * going to unset all of these flags in termp_it_post() when we
                    765:         * exit.
1.1       kristaps  766:         */
                    767:
                    768:        switch (type) {
1.264     schwarze  769:        case LIST_enum:
1.329     schwarze  770:        case LIST_bullet:
                    771:        case LIST_dash:
                    772:        case LIST_hyphen:
1.242     schwarze  773:                /*
                    774:                 * Weird special case.
1.302     schwarze  775:                 * Some very narrow lists actually hang.
1.242     schwarze  776:                 */
1.302     schwarze  777:                if (width <= (int)term_len(p, 2))
                    778:                        p->flags |= TERMP_HANG;
1.314     schwarze  779:                if (n->type != ROFFT_HEAD)
1.250     schwarze  780:                        break;
                    781:                p->flags |= TERMP_NOBREAK;
                    782:                p->trailspace = 1;
1.39      kristaps  783:                break;
1.264     schwarze  784:        case LIST_hang:
1.314     schwarze  785:                if (n->type != ROFFT_HEAD)
1.59      kristaps  786:                        break;
                    787:
                    788:                /*
                    789:                 * This is ugly.  If `-hang' is specified and the body
                    790:                 * is a `Bl' or `Bd', then we want basically to nullify
                    791:                 * the "overstep" effect in term_flushln() and treat
                    792:                 * this as a `-ohang' list instead.
                    793:                 */
1.279     schwarze  794:                if (NULL != n->next &&
1.278     schwarze  795:                    NULL != n->next->child &&
                    796:                    (MDOC_Bl == n->next->child->tok ||
                    797:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  798:                        break;
                    799:
1.263     schwarze  800:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  801:                p->trailspace = 1;
1.39      kristaps  802:                break;
1.264     schwarze  803:        case LIST_tag:
1.314     schwarze  804:                if (n->type != ROFFT_HEAD)
1.39      kristaps  805:                        break;
1.250     schwarze  806:
1.326     schwarze  807:                p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250     schwarze  808:                p->trailspace = 2;
                    809:
1.86      kristaps  810:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  811:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  812:                break;
1.264     schwarze  813:        case LIST_column:
1.314     schwarze  814:                if (n->type == ROFFT_HEAD)
1.134     kristaps  815:                        break;
                    816:
1.250     schwarze  817:                if (NULL == n->next) {
1.134     kristaps  818:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  819:                        p->trailspace = 0;
                    820:                } else {
1.134     kristaps  821:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  822:                        p->trailspace = 1;
                    823:                }
1.134     kristaps  824:
1.1       kristaps  825:                break;
1.264     schwarze  826:        case LIST_diag:
1.314     schwarze  827:                if (n->type != ROFFT_HEAD)
1.250     schwarze  828:                        break;
1.263     schwarze  829:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  830:                p->trailspace = 1;
1.1       kristaps  831:                break;
                    832:        default:
                    833:                break;
                    834:        }
                    835:
1.264     schwarze  836:        /*
1.1       kristaps  837:         * Margin control.  Set-head-width lists have their right
                    838:         * margins shortened.  The body for these lists has the offset
                    839:         * necessarily lengthened.  Everybody gets the offset.
                    840:         */
                    841:
                    842:        p->offset += offset;
                    843:
                    844:        switch (type) {
1.264     schwarze  845:        case LIST_hang:
1.59      kristaps  846:                /*
                    847:                 * Same stipulation as above, regarding `-hang'.  We
                    848:                 * don't want to recalculate rmargin and offsets when
                    849:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    850:                 */
1.314     schwarze  851:                if (n->type == ROFFT_HEAD &&
1.279     schwarze  852:                    NULL != n->next &&
1.278     schwarze  853:                    NULL != n->next->child &&
                    854:                    (MDOC_Bl == n->next->child->tok ||
                    855:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  856:                        break;
                    857:                /* FALLTHROUGH */
1.264     schwarze  858:        case LIST_bullet:
                    859:        case LIST_dash:
                    860:        case LIST_enum:
                    861:        case LIST_hyphen:
                    862:        case LIST_tag:
1.314     schwarze  863:                if (n->type == ROFFT_HEAD)
1.1       kristaps  864:                        p->rmargin = p->offset + width;
1.292     schwarze  865:                else
1.1       kristaps  866:                        p->offset += width;
                    867:                break;
1.264     schwarze  868:        case LIST_column:
1.49      kristaps  869:                assert(width);
1.1       kristaps  870:                p->rmargin = p->offset + width;
1.264     schwarze  871:                /*
1.50      kristaps  872:                 * XXX - this behaviour is not documented: the
                    873:                 * right-most column is filled to the right margin.
                    874:                 */
1.314     schwarze  875:                if (n->type == ROFFT_HEAD)
1.134     kristaps  876:                        break;
                    877:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  878:                        p->rmargin = p->maxrmargin;
1.1       kristaps  879:                break;
                    880:        default:
                    881:                break;
                    882:        }
                    883:
1.264     schwarze  884:        /*
1.1       kristaps  885:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  886:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  887:         */
                    888:
1.314     schwarze  889:        if (n->type == ROFFT_HEAD)
1.1       kristaps  890:                switch (type) {
1.264     schwarze  891:                case LIST_bullet:
1.102     kristaps  892:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  893:                        term_word(p, "\\[bu]");
1.102     kristaps  894:                        term_fontpop(p);
1.1       kristaps  895:                        break;
1.264     schwarze  896:                case LIST_dash:
                    897:                case LIST_hyphen:
1.102     kristaps  898:                        term_fontpush(p, TERMFONT_BOLD);
1.330     schwarze  899:                        term_word(p, "-");
1.102     kristaps  900:                        term_fontpop(p);
1.1       kristaps  901:                        break;
1.264     schwarze  902:                case LIST_enum:
1.1       kristaps  903:                        (pair->ppair->ppair->count)++;
1.265     schwarze  904:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  905:                            pair->ppair->ppair->count);
1.1       kristaps  906:                        term_word(p, buf);
                    907:                        break;
                    908:                default:
                    909:                        break;
                    910:                }
                    911:
1.264     schwarze  912:        /*
1.1       kristaps  913:         * If we're not going to process our children, indicate so here.
                    914:         */
                    915:
                    916:        switch (type) {
1.264     schwarze  917:        case LIST_bullet:
                    918:        case LIST_item:
                    919:        case LIST_dash:
                    920:        case LIST_hyphen:
                    921:        case LIST_enum:
1.314     schwarze  922:                if (n->type == ROFFT_HEAD)
1.328     schwarze  923:                        return 0;
1.1       kristaps  924:                break;
1.264     schwarze  925:        case LIST_column:
1.314     schwarze  926:                if (n->type == ROFFT_HEAD)
1.328     schwarze  927:                        return 0;
1.1       kristaps  928:                break;
                    929:        default:
                    930:                break;
                    931:        }
                    932:
1.328     schwarze  933:        return 1;
1.1       kristaps  934: }
                    935:
                    936: static void
                    937: termp_it_post(DECL_ARGS)
                    938: {
1.126     kristaps  939:        enum mdoc_list     type;
1.1       kristaps  940:
1.314     schwarze  941:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  942:                return;
                    943:
1.202     kristaps  944:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  945:
                    946:        switch (type) {
1.264     schwarze  947:        case LIST_item:
                    948:        case LIST_diag:
                    949:        case LIST_inset:
1.314     schwarze  950:                if (n->type == ROFFT_BODY)
1.130     schwarze  951:                        term_newln(p);
1.1       kristaps  952:                break;
1.264     schwarze  953:        case LIST_column:
1.314     schwarze  954:                if (n->type == ROFFT_BODY)
1.1       kristaps  955:                        term_flushln(p);
                    956:                break;
                    957:        default:
1.130     schwarze  958:                term_newln(p);
1.1       kristaps  959:                break;
                    960:        }
                    961:
1.264     schwarze  962:        /*
1.109     kristaps  963:         * Now that our output is flushed, we can reset our tags.  Since
                    964:         * only `It' sets these flags, we're free to assume that nobody
                    965:         * has munged them in the meanwhile.
                    966:         */
                    967:
1.326     schwarze  968:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263     schwarze  969:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  970:        p->trailspace = 0;
1.1       kristaps  971: }
                    972:
                    973: static int
                    974: termp_nm_pre(DECL_ARGS)
                    975: {
1.296     schwarze  976:        const char      *cp;
1.1       kristaps  977:
1.314     schwarze  978:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze  979:                p->flags |= TERMP_PREKEEP;
1.328     schwarze  980:                return 1;
1.253     schwarze  981:        }
1.164     schwarze  982:
1.314     schwarze  983:        if (n->type == ROFFT_BODY) {
1.164     schwarze  984:                if (NULL == n->child)
1.328     schwarze  985:                        return 0;
1.234     schwarze  986:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  987:                cp = NULL;
                    988:                if (n->prev->child != NULL)
                    989:                    cp = n->prev->child->string;
                    990:                if (cp == NULL)
                    991:                        cp = meta->name;
                    992:                if (cp == NULL)
                    993:                        p->offset += term_len(p, 6);
                    994:                else
                    995:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328     schwarze  996:                return 1;
1.164     schwarze  997:        }
                    998:
1.245     schwarze  999:        if (NULL == n->child && NULL == meta->name)
1.328     schwarze 1000:                return 0;
1.125     kristaps 1001:
1.314     schwarze 1002:        if (n->type == ROFFT_HEAD)
1.177     schwarze 1003:                synopsis_pre(p, n->parent);
1.102     kristaps 1004:
1.314     schwarze 1005:        if (n->type == ROFFT_HEAD &&
1.278     schwarze 1006:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1007:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1008:                p->trailspace = 1;
1.185     schwarze 1009:                p->rmargin = p->offset + term_len(p, 1);
                   1010:                if (NULL == n->child) {
1.245     schwarze 1011:                        p->rmargin += term_strlen(p, meta->name);
1.314     schwarze 1012:                } else if (n->child->type == ROFFT_TEXT) {
1.185     schwarze 1013:                        p->rmargin += term_strlen(p, n->child->string);
                   1014:                        if (n->child->next)
                   1015:                                p->flags |= TERMP_HANG;
                   1016:                } else {
                   1017:                        p->rmargin += term_len(p, 5);
                   1018:                        p->flags |= TERMP_HANG;
                   1019:                }
1.164     schwarze 1020:        }
                   1021:
1.102     kristaps 1022:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1023:        if (NULL == n->child)
1.245     schwarze 1024:                term_word(p, meta->name);
1.328     schwarze 1025:        return 1;
1.1       kristaps 1026: }
                   1027:
1.164     schwarze 1028: static void
                   1029: termp_nm_post(DECL_ARGS)
                   1030: {
                   1031:
1.314     schwarze 1032:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze 1033:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314     schwarze 1034:        } else if (n->type == ROFFT_HEAD &&
1.278     schwarze 1035:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1036:                term_flushln(p);
1.263     schwarze 1037:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1038:                p->trailspace = 0;
1.314     schwarze 1039:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164     schwarze 1040:                term_flushln(p);
                   1041: }
                   1042:
1.1       kristaps 1043: static int
                   1044: termp_fl_pre(DECL_ARGS)
                   1045: {
                   1046:
1.320     schwarze 1047:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1048:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1049:        term_word(p, "\\-");
1.103     kristaps 1050:
1.331     schwarze 1051:        if (!(n->child == NULL &&
1.280     schwarze 1052:            (n->next == NULL ||
1.314     schwarze 1053:             n->next->type == ROFFT_TEXT ||
1.280     schwarze 1054:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1055:                p->flags |= TERMP_NOSPACE;
                   1056:
1.328     schwarze 1057:        return 1;
1.1       kristaps 1058: }
                   1059:
                   1060: static int
1.184     kristaps 1061: termp__a_pre(DECL_ARGS)
                   1062: {
                   1063:
                   1064:        if (n->prev && MDOC__A == n->prev->tok)
                   1065:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1066:                        term_word(p, "and");
                   1067:
1.328     schwarze 1068:        return 1;
1.184     kristaps 1069: }
                   1070:
                   1071: static int
1.61      kristaps 1072: termp_an_pre(DECL_ARGS)
                   1073: {
                   1074:
1.282     schwarze 1075:        if (n->norm->An.auth == AUTH_split) {
                   1076:                p->flags &= ~TERMP_NOSPLIT;
                   1077:                p->flags |= TERMP_SPLIT;
1.328     schwarze 1078:                return 0;
1.282     schwarze 1079:        }
                   1080:        if (n->norm->An.auth == AUTH_nosplit) {
                   1081:                p->flags &= ~TERMP_SPLIT;
                   1082:                p->flags |= TERMP_NOSPLIT;
1.328     schwarze 1083:                return 0;
1.282     schwarze 1084:        }
1.264     schwarze 1085:
1.282     schwarze 1086:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1087:                term_newln(p);
                   1088:
1.282     schwarze 1089:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1090:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1091:
1.328     schwarze 1092:        return 1;
1.61      kristaps 1093: }
                   1094:
                   1095: static int
1.1       kristaps 1096: termp_ns_pre(DECL_ARGS)
                   1097: {
                   1098:
1.215     kristaps 1099:        if ( ! (MDOC_LINE & n->flags))
                   1100:                p->flags |= TERMP_NOSPACE;
1.328     schwarze 1101:        return 1;
1.1       kristaps 1102: }
                   1103:
                   1104: static int
                   1105: termp_rs_pre(DECL_ARGS)
                   1106: {
                   1107:
1.86      kristaps 1108:        if (SEC_SEE_ALSO != n->sec)
1.328     schwarze 1109:                return 1;
1.314     schwarze 1110:        if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1       kristaps 1111:                term_vspace(p);
1.328     schwarze 1112:        return 1;
1.1       kristaps 1113: }
                   1114:
                   1115: static int
                   1116: termp_rv_pre(DECL_ARGS)
                   1117: {
1.331     schwarze 1118:        struct roff_node *nch;
1.1       kristaps 1119:
                   1120:        term_newln(p);
                   1121:
1.331     schwarze 1122:        if (n->child != NULL) {
1.273     schwarze 1123:                term_word(p, "The");
1.224     kristaps 1124:
1.331     schwarze 1125:                for (nch = n->child; nch != NULL; nch = nch->next) {
1.273     schwarze 1126:                        term_fontpush(p, TERMFONT_BOLD);
1.331     schwarze 1127:                        term_word(p, nch->string);
1.273     schwarze 1128:                        term_fontpop(p);
1.223     kristaps 1129:
                   1130:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1131:                        term_word(p, "()");
                   1132:
1.331     schwarze 1133:                        if (nch->next == NULL)
1.273     schwarze 1134:                                continue;
                   1135:
1.331     schwarze 1136:                        if (nch->prev != NULL || nch->next->next != NULL) {
1.273     schwarze 1137:                                p->flags |= TERMP_NOSPACE;
                   1138:                                term_word(p, ",");
                   1139:                        }
1.331     schwarze 1140:                        if (nch->next->next == NULL)
1.273     schwarze 1141:                                term_word(p, "and");
1.223     kristaps 1142:                }
                   1143:
1.331     schwarze 1144:                if (n->child != NULL && n->child->next != NULL)
1.273     schwarze 1145:                        term_word(p, "functions return");
                   1146:                else
                   1147:                        term_word(p, "function returns");
                   1148:
                   1149:                term_word(p, "the value\\~0 if successful;");
                   1150:        } else
                   1151:                term_word(p, "Upon successful completion,"
                   1152:                    " the value\\~0 is returned;");
1.1       kristaps 1153:
1.273     schwarze 1154:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1155:            " and the global variable");
1.1       kristaps 1156:
1.102     kristaps 1157:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1158:        term_word(p, "errno");
1.102     kristaps 1159:        term_fontpop(p);
1.1       kristaps 1160:
1.264     schwarze 1161:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1162:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1163:
1.328     schwarze 1164:        return 0;
1.1       kristaps 1165: }
                   1166:
                   1167: static int
                   1168: termp_ex_pre(DECL_ARGS)
                   1169: {
1.331     schwarze 1170:        struct roff_node *nch;
1.1       kristaps 1171:
1.224     kristaps 1172:        term_newln(p);
1.68      kristaps 1173:        term_word(p, "The");
1.1       kristaps 1174:
1.331     schwarze 1175:        for (nch = n->child; nch != NULL; nch = nch->next) {
1.102     kristaps 1176:                term_fontpush(p, TERMFONT_BOLD);
1.331     schwarze 1177:                term_word(p, nch->string);
1.102     kristaps 1178:                term_fontpop(p);
1.224     kristaps 1179:
1.331     schwarze 1180:                if (nch->next == NULL)
                   1181:                        continue;
                   1182:
                   1183:                if (nch->prev != NULL || nch->next->next != NULL) {
1.224     kristaps 1184:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1185:                        term_word(p, ",");
1.224     kristaps 1186:                }
                   1187:
1.331     schwarze 1188:                if (nch->next->next == NULL)
1.224     kristaps 1189:                        term_word(p, "and");
1.68      kristaps 1190:        }
                   1191:
1.331     schwarze 1192:        if (n->child != NULL && n->child->next != NULL)
1.273     schwarze 1193:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1194:        else
1.273     schwarze 1195:                term_word(p, "utility exits\\~0");
1.68      kristaps 1196:
1.273     schwarze 1197:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1198:
1.131     kristaps 1199:        p->flags |= TERMP_SENTENCE;
1.328     schwarze 1200:        return 0;
1.1       kristaps 1201: }
                   1202:
                   1203: static int
                   1204: termp_nd_pre(DECL_ARGS)
                   1205: {
1.25      kristaps 1206:
1.314     schwarze 1207:        if (n->type == ROFFT_BODY)
1.297     schwarze 1208:                term_word(p, "\\(en");
1.328     schwarze 1209:        return 1;
1.115     kristaps 1210: }
                   1211:
                   1212: static int
                   1213: termp_bl_pre(DECL_ARGS)
                   1214: {
                   1215:
1.328     schwarze 1216:        return n->type != ROFFT_HEAD;
1.1       kristaps 1217: }
                   1218:
                   1219: static void
                   1220: termp_bl_post(DECL_ARGS)
                   1221: {
                   1222:
1.314     schwarze 1223:        if (n->type == ROFFT_BLOCK)
1.1       kristaps 1224:                term_newln(p);
                   1225: }
                   1226:
                   1227: static int
                   1228: termp_xr_pre(DECL_ARGS)
                   1229: {
                   1230:
1.225     kristaps 1231:        if (NULL == (n = n->child))
1.328     schwarze 1232:                return 0;
1.113     kristaps 1233:
1.314     schwarze 1234:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1235:        term_word(p, n->string);
1.11      kristaps 1236:
1.264     schwarze 1237:        if (NULL == (n = n->next))
1.328     schwarze 1238:                return 0;
1.225     kristaps 1239:
1.1       kristaps 1240:        p->flags |= TERMP_NOSPACE;
                   1241:        term_word(p, "(");
1.222     kristaps 1242:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1243:
1.314     schwarze 1244:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1245:        term_word(p, n->string);
                   1246:
1.222     kristaps 1247:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1248:        term_word(p, ")");
1.86      kristaps 1249:
1.328     schwarze 1250:        return 0;
1.1       kristaps 1251: }
                   1252:
1.143     kristaps 1253: /*
                   1254:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1255:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1256:  * macro combos).
                   1257:  */
                   1258: static void
1.315     schwarze 1259: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143     kristaps 1260: {
1.264     schwarze 1261:        /*
1.143     kristaps 1262:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1263:         * exist, do nothing.
                   1264:         */
1.160     kristaps 1265:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1266:                return;
                   1267:
                   1268:        /*
                   1269:         * If we're the second in a pair of like elements, emit our
                   1270:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1271:         * case we soldier on.
                   1272:         */
1.264     schwarze 1273:        if (n->prev->tok == n->tok &&
                   1274:            MDOC_Ft != n->tok &&
                   1275:            MDOC_Fo != n->tok &&
                   1276:            MDOC_Fn != n->tok) {
1.143     kristaps 1277:                term_newln(p);
                   1278:                return;
                   1279:        }
                   1280:
                   1281:        /*
                   1282:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1283:         * another (or Fn/Fo, which we've let slip through) then assert
                   1284:         * vertical space, else only newline and move on.
                   1285:         */
                   1286:        switch (n->prev->tok) {
1.264     schwarze 1287:        case MDOC_Fd:
                   1288:        case MDOC_Fn:
                   1289:        case MDOC_Fo:
                   1290:        case MDOC_In:
                   1291:        case MDOC_Vt:
1.143     kristaps 1292:                term_vspace(p);
                   1293:                break;
1.264     schwarze 1294:        case MDOC_Ft:
1.143     kristaps 1295:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1296:                        term_vspace(p);
                   1297:                        break;
                   1298:                }
                   1299:                /* FALLTHROUGH */
                   1300:        default:
                   1301:                term_newln(p);
                   1302:                break;
                   1303:        }
                   1304: }
                   1305:
1.110     kristaps 1306: static int
                   1307: termp_vt_pre(DECL_ARGS)
                   1308: {
                   1309:
1.314     schwarze 1310:        if (n->type == ROFFT_ELEM) {
1.143     kristaps 1311:                synopsis_pre(p, n);
1.328     schwarze 1312:                return termp_under_pre(p, pair, meta, n);
1.314     schwarze 1313:        } else if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1314:                synopsis_pre(p, n);
1.328     schwarze 1315:                return 1;
1.314     schwarze 1316:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1317:                return 0;
1.110     kristaps 1318:
1.328     schwarze 1319:        return termp_under_pre(p, pair, meta, n);
1.110     kristaps 1320: }
                   1321:
1.1       kristaps 1322: static int
1.69      kristaps 1323: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1324: {
                   1325:
1.320     schwarze 1326:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1327:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1328:        return 1;
1.1       kristaps 1329: }
                   1330:
1.143     kristaps 1331: static int
                   1332: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1333: {
                   1334:
1.143     kristaps 1335:        synopsis_pre(p, n);
1.328     schwarze 1336:        return termp_bold_pre(p, pair, meta, n);
1.1       kristaps 1337: }
                   1338:
1.241     schwarze 1339: static void
                   1340: termp_fd_post(DECL_ARGS)
                   1341: {
                   1342:
                   1343:        term_newln(p);
                   1344: }
                   1345:
1.1       kristaps 1346: static int
                   1347: termp_sh_pre(DECL_ARGS)
                   1348: {
1.85      kristaps 1349:
1.86      kristaps 1350:        switch (n->type) {
1.314     schwarze 1351:        case ROFFT_BLOCK:
1.293     schwarze 1352:                /*
                   1353:                 * Vertical space before sections, except
                   1354:                 * when the previous section was empty.
                   1355:                 */
                   1356:                if (n->prev == NULL ||
1.322     schwarze 1357:                    n->prev->tok != MDOC_Sh ||
1.293     schwarze 1358:                    (n->prev->body != NULL &&
                   1359:                     n->prev->body->child != NULL))
                   1360:                        term_vspace(p);
1.65      kristaps 1361:                break;
1.314     schwarze 1362:        case ROFFT_HEAD:
1.102     kristaps 1363:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1364:                break;
1.314     schwarze 1365:        case ROFFT_BODY:
1.238     schwarze 1366:                p->offset = term_len(p, p->defindent);
1.322     schwarze 1367:                switch (n->sec) {
                   1368:                case SEC_DESCRIPTION:
                   1369:                        fn_prio = 0;
                   1370:                        break;
                   1371:                case SEC_AUTHORS:
1.239     schwarze 1372:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322     schwarze 1373:                        break;
                   1374:                default:
                   1375:                        break;
                   1376:                }
1.1       kristaps 1377:                break;
                   1378:        default:
                   1379:                break;
                   1380:        }
1.328     schwarze 1381:        return 1;
1.1       kristaps 1382: }
                   1383:
                   1384: static void
                   1385: termp_sh_post(DECL_ARGS)
                   1386: {
                   1387:
1.86      kristaps 1388:        switch (n->type) {
1.314     schwarze 1389:        case ROFFT_HEAD:
1.1       kristaps 1390:                term_newln(p);
                   1391:                break;
1.314     schwarze 1392:        case ROFFT_BODY:
1.1       kristaps 1393:                term_newln(p);
                   1394:                p->offset = 0;
                   1395:                break;
                   1396:        default:
                   1397:                break;
                   1398:        }
                   1399: }
                   1400:
                   1401: static int
                   1402: termp_bt_pre(DECL_ARGS)
                   1403: {
                   1404:
                   1405:        term_word(p, "is currently in beta test.");
1.131     kristaps 1406:        p->flags |= TERMP_SENTENCE;
1.328     schwarze 1407:        return 0;
1.1       kristaps 1408: }
                   1409:
                   1410: static void
                   1411: termp_lb_post(DECL_ARGS)
                   1412: {
                   1413:
1.122     kristaps 1414:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1415:                term_newln(p);
1.1       kristaps 1416: }
                   1417:
                   1418: static int
                   1419: termp_ud_pre(DECL_ARGS)
                   1420: {
                   1421:
                   1422:        term_word(p, "currently under development.");
1.131     kristaps 1423:        p->flags |= TERMP_SENTENCE;
1.328     schwarze 1424:        return 0;
1.1       kristaps 1425: }
                   1426:
                   1427: static int
                   1428: termp_d1_pre(DECL_ARGS)
                   1429: {
                   1430:
1.314     schwarze 1431:        if (n->type != ROFFT_BLOCK)
1.328     schwarze 1432:                return 1;
1.1       kristaps 1433:        term_newln(p);
1.238     schwarze 1434:        p->offset += term_len(p, p->defindent + 1);
1.328     schwarze 1435:        return 1;
1.1       kristaps 1436: }
                   1437:
                   1438: static int
                   1439: termp_ft_pre(DECL_ARGS)
                   1440: {
                   1441:
1.141     kristaps 1442:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1443:        synopsis_pre(p, n);
1.102     kristaps 1444:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1445:        return 1;
1.1       kristaps 1446: }
                   1447:
                   1448: static int
                   1449: termp_fn_pre(DECL_ARGS)
                   1450: {
1.257     schwarze 1451:        size_t           rmargin = 0;
1.226     kristaps 1452:        int              pretty;
                   1453:
                   1454:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1455:
1.143     kristaps 1456:        synopsis_pre(p, n);
1.139     kristaps 1457:
1.226     kristaps 1458:        if (NULL == (n = n->child))
1.328     schwarze 1459:                return 0;
1.226     kristaps 1460:
1.251     schwarze 1461:        if (pretty) {
                   1462:                rmargin = p->rmargin;
1.257     schwarze 1463:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1464:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1465:        }
                   1466:
1.314     schwarze 1467:        assert(n->type == ROFFT_TEXT);
1.102     kristaps 1468:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1469:        term_word(p, n->string);
1.102     kristaps 1470:        term_fontpop(p);
1.1       kristaps 1471:
1.336     schwarze 1472:        if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324     schwarze 1473:                tag_put(n->string, ++fn_prio, p->line);
1.322     schwarze 1474:
1.251     schwarze 1475:        if (pretty) {
                   1476:                term_flushln(p);
1.263     schwarze 1477:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1478:                p->offset = p->rmargin;
                   1479:                p->rmargin = rmargin;
                   1480:        }
                   1481:
1.1       kristaps 1482:        p->flags |= TERMP_NOSPACE;
                   1483:        term_word(p, "(");
1.222     kristaps 1484:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1485:
1.226     kristaps 1486:        for (n = n->next; n; n = n->next) {
1.314     schwarze 1487:                assert(n->type == ROFFT_TEXT);
1.102     kristaps 1488:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1489:                if (pretty)
                   1490:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1491:                term_word(p, n->string);
1.102     kristaps 1492:                term_fontpop(p);
                   1493:
1.226     kristaps 1494:                if (n->next) {
1.222     kristaps 1495:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1496:                        term_word(p, ",");
1.222     kristaps 1497:                }
1.1       kristaps 1498:        }
                   1499:
1.222     kristaps 1500:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1501:        term_word(p, ")");
                   1502:
1.226     kristaps 1503:        if (pretty) {
1.222     kristaps 1504:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1505:                term_word(p, ";");
1.251     schwarze 1506:                term_flushln(p);
1.222     kristaps 1507:        }
1.1       kristaps 1508:
1.328     schwarze 1509:        return 0;
1.1       kristaps 1510: }
                   1511:
                   1512: static int
                   1513: termp_fa_pre(DECL_ARGS)
                   1514: {
1.315     schwarze 1515:        const struct roff_node  *nn;
1.1       kristaps 1516:
1.86      kristaps 1517:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1518:                term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1519:                return 1;
1.1       kristaps 1520:        }
                   1521:
1.86      kristaps 1522:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1523:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1524:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1525:                term_word(p, nn->string);
1.102     kristaps 1526:                term_fontpop(p);
                   1527:
1.256     schwarze 1528:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1529:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1530:                        term_word(p, ",");
1.222     kristaps 1531:                }
1.1       kristaps 1532:        }
                   1533:
1.328     schwarze 1534:        return 0;
1.1       kristaps 1535: }
                   1536:
                   1537: static int
                   1538: termp_bd_pre(DECL_ARGS)
                   1539: {
1.272     schwarze 1540:        size_t                   tabwidth, lm, len, rm, rmax;
1.315     schwarze 1541:        struct roff_node        *nn;
1.302     schwarze 1542:        int                      offset;
1.1       kristaps 1543:
1.314     schwarze 1544:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps 1545:                print_bvspace(p, n, n);
1.328     schwarze 1546:                return 1;
1.314     schwarze 1547:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1548:                return 0;
1.1       kristaps 1549:
1.288     schwarze 1550:        /* Handle the -offset argument. */
                   1551:
                   1552:        if (n->norm->Bd.offs == NULL ||
                   1553:            ! strcmp(n->norm->Bd.offs, "left"))
                   1554:                /* nothing */;
                   1555:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1556:                p->offset += term_len(p, p->defindent + 1);
                   1557:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1558:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1559:        else {
                   1560:                offset = a2width(p, n->norm->Bd.offs);
                   1561:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1562:                        p->offset = 0;
                   1563:                else if (offset < SHRT_MAX)
                   1564:                        p->offset += offset;
                   1565:        }
1.85      kristaps 1566:
                   1567:        /*
                   1568:         * If -ragged or -filled are specified, the block does nothing
                   1569:         * but change the indentation.  If -unfilled or -literal are
                   1570:         * specified, text is printed exactly as entered in the display:
                   1571:         * for macro lines, a newline is appended to the line.  Blank
                   1572:         * lines are allowed.
                   1573:         */
1.264     schwarze 1574:
                   1575:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1576:            DISP_unfilled != n->norm->Bd.type &&
                   1577:            DISP_centered != n->norm->Bd.type)
1.328     schwarze 1578:                return 1;
1.1       kristaps 1579:
1.129     schwarze 1580:        tabwidth = p->tabwidth;
1.208     kristaps 1581:        if (DISP_literal == n->norm->Bd.type)
                   1582:                p->tabwidth = term_len(p, 8);
                   1583:
1.272     schwarze 1584:        lm = p->offset;
1.119     kristaps 1585:        rm = p->rmargin;
                   1586:        rmax = p->maxrmargin;
1.120     kristaps 1587:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1588:
1.86      kristaps 1589:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1590:                if (DISP_centered == n->norm->Bd.type) {
1.314     schwarze 1591:                        if (nn->type == ROFFT_TEXT) {
1.272     schwarze 1592:                                len = term_strlen(p, nn->string);
                   1593:                                p->offset = len >= rm ? 0 :
                   1594:                                    lm + len >= rm ? rm - len :
                   1595:                                    (lm + rm - len) / 2;
                   1596:                        } else
                   1597:                                p->offset = lm;
                   1598:                }
1.245     schwarze 1599:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1600:                /*
                   1601:                 * If the printed node flushes its own line, then we
                   1602:                 * needn't do it here as well.  This is hacky, but the
                   1603:                 * notion of selective eoln whitespace is pretty dumb
                   1604:                 * anyway, so don't sweat it.
                   1605:                 */
                   1606:                switch (nn->tok) {
1.264     schwarze 1607:                case MDOC_Sm:
                   1608:                case MDOC_br:
                   1609:                case MDOC_sp:
                   1610:                case MDOC_Bl:
                   1611:                case MDOC_D1:
                   1612:                case MDOC_Dl:
                   1613:                case MDOC_Lp:
                   1614:                case MDOC_Pp:
1.190     kristaps 1615:                        continue;
                   1616:                default:
                   1617:                        break;
                   1618:                }
1.299     schwarze 1619:                if (p->flags & TERMP_NONEWLINE ||
                   1620:                    (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180     schwarze 1621:                        continue;
                   1622:                term_flushln(p);
                   1623:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1624:        }
1.147     kristaps 1625:
1.129     schwarze 1626:        p->tabwidth = tabwidth;
1.119     kristaps 1627:        p->rmargin = rm;
                   1628:        p->maxrmargin = rmax;
1.328     schwarze 1629:        return 0;
1.1       kristaps 1630: }
                   1631:
                   1632: static void
                   1633: termp_bd_post(DECL_ARGS)
                   1634: {
1.119     kristaps 1635:        size_t           rm, rmax;
1.1       kristaps 1636:
1.314     schwarze 1637:        if (n->type != ROFFT_BODY)
1.1       kristaps 1638:                return;
1.118     kristaps 1639:
1.119     kristaps 1640:        rm = p->rmargin;
                   1641:        rmax = p->maxrmargin;
1.118     kristaps 1642:
1.264     schwarze 1643:        if (DISP_literal == n->norm->Bd.type ||
                   1644:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1645:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1646:
1.60      kristaps 1647:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1648:        term_newln(p);
1.118     kristaps 1649:
1.119     kristaps 1650:        p->rmargin = rm;
                   1651:        p->maxrmargin = rmax;
1.1       kristaps 1652: }
                   1653:
1.211     kristaps 1654: static int
                   1655: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1656: {
                   1657:
1.211     kristaps 1658:        if (NULL != (n = n->child)) {
                   1659:                term_word(p, n->string);
                   1660:                p->flags |= TERMP_NOSPACE;
                   1661:                term_word(p, "BSD");
                   1662:        } else {
                   1663:                term_word(p, "BSD");
1.328     schwarze 1664:                return 0;
1.211     kristaps 1665:        }
                   1666:
                   1667:        if (NULL != (n = n->next)) {
                   1668:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1669:                term_word(p, "-");
1.1       kristaps 1670:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1671:                term_word(p, n->string);
1.211     kristaps 1672:        }
                   1673:
1.328     schwarze 1674:        return 0;
1.1       kristaps 1675: }
                   1676:
                   1677: static int
1.26      kristaps 1678: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1679: {
1.26      kristaps 1680:        const char      *pp;
1.218     schwarze 1681:        int              flags;
1.1       kristaps 1682:
1.26      kristaps 1683:        pp = NULL;
1.86      kristaps 1684:        switch (n->tok) {
1.264     schwarze 1685:        case MDOC_Bsx:
1.194     schwarze 1686:                pp = "BSD/OS";
1.26      kristaps 1687:                break;
1.264     schwarze 1688:        case MDOC_Dx:
1.100     kristaps 1689:                pp = "DragonFly";
1.26      kristaps 1690:                break;
1.264     schwarze 1691:        case MDOC_Fx:
1.26      kristaps 1692:                pp = "FreeBSD";
                   1693:                break;
1.264     schwarze 1694:        case MDOC_Nx:
1.26      kristaps 1695:                pp = "NetBSD";
                   1696:                break;
1.264     schwarze 1697:        case MDOC_Ox:
1.26      kristaps 1698:                pp = "OpenBSD";
                   1699:                break;
1.264     schwarze 1700:        case MDOC_Ux:
1.26      kristaps 1701:                pp = "UNIX";
                   1702:                break;
                   1703:        default:
1.246     schwarze 1704:                abort();
1.26      kristaps 1705:        }
1.1       kristaps 1706:
1.26      kristaps 1707:        term_word(p, pp);
1.214     kristaps 1708:        if (n->child) {
1.218     schwarze 1709:                flags = p->flags;
1.214     kristaps 1710:                p->flags |= TERMP_KEEP;
                   1711:                term_word(p, n->child->string);
1.218     schwarze 1712:                p->flags = flags;
1.214     kristaps 1713:        }
1.328     schwarze 1714:        return 0;
1.1       kristaps 1715: }
                   1716:
                   1717: static void
                   1718: termp_pf_post(DECL_ARGS)
                   1719: {
                   1720:
1.298     schwarze 1721:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1722:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1723: }
                   1724:
                   1725: static int
                   1726: termp_ss_pre(DECL_ARGS)
                   1727: {
1.337   ! schwarze 1728:        struct roff_node *nn;
1.1       kristaps 1729:
1.86      kristaps 1730:        switch (n->type) {
1.314     schwarze 1731:        case ROFFT_BLOCK:
1.1       kristaps 1732:                term_newln(p);
1.337   ! schwarze 1733:                for (nn = n->prev; nn != NULL; nn = nn->prev)
        !          1734:                        if ((nn->flags & NODE_NOPRT) == 0)
        !          1735:                                break;
        !          1736:                if (nn != NULL)
1.1       kristaps 1737:                        term_vspace(p);
                   1738:                break;
1.314     schwarze 1739:        case ROFFT_HEAD:
1.102     kristaps 1740:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1741:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1742:                break;
1.314     schwarze 1743:        case ROFFT_BODY:
1.274     schwarze 1744:                p->offset = term_len(p, p->defindent);
                   1745:                break;
1.1       kristaps 1746:        default:
                   1747:                break;
                   1748:        }
                   1749:
1.328     schwarze 1750:        return 1;
1.1       kristaps 1751: }
                   1752:
                   1753: static void
                   1754: termp_ss_post(DECL_ARGS)
                   1755: {
                   1756:
1.314     schwarze 1757:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1758:                term_newln(p);
                   1759: }
                   1760:
                   1761: static int
                   1762: termp_cd_pre(DECL_ARGS)
                   1763: {
                   1764:
1.143     kristaps 1765:        synopsis_pre(p, n);
1.102     kristaps 1766:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1767:        return 1;
1.1       kristaps 1768: }
                   1769:
                   1770: static int
                   1771: termp_in_pre(DECL_ARGS)
                   1772: {
1.142     schwarze 1773:
1.143     kristaps 1774:        synopsis_pre(p, n);
1.1       kristaps 1775:
1.160     kristaps 1776:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1777:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1778:                term_word(p, "#include");
1.138     kristaps 1779:                term_word(p, "<");
                   1780:        } else {
                   1781:                term_word(p, "<");
                   1782:                term_fontpush(p, TERMFONT_UNDER);
                   1783:        }
1.22      kristaps 1784:
1.1       kristaps 1785:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1786:        return 1;
1.1       kristaps 1787: }
                   1788:
                   1789: static void
                   1790: termp_in_post(DECL_ARGS)
                   1791: {
                   1792:
1.160     kristaps 1793:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1794:                term_fontpush(p, TERMFONT_BOLD);
                   1795:
1.79      kristaps 1796:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1797:        term_word(p, ">");
                   1798:
1.160     kristaps 1799:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1800:                term_fontpop(p);
1.1       kristaps 1801: }
                   1802:
                   1803: static int
1.45      kristaps 1804: termp_sp_pre(DECL_ARGS)
                   1805: {
1.300     schwarze 1806:        struct roffsu    su;
1.312     schwarze 1807:        int              i, len;
1.45      kristaps 1808:
1.86      kristaps 1809:        switch (n->tok) {
1.264     schwarze 1810:        case MDOC_sp:
1.300     schwarze 1811:                if (n->child) {
                   1812:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1813:                                su.scale = 1.0;
                   1814:                        len = term_vspan(p, &su);
                   1815:                } else
                   1816:                        len = 1;
1.76      kristaps 1817:                break;
1.264     schwarze 1818:        case MDOC_br:
1.76      kristaps 1819:                len = 0;
                   1820:                break;
                   1821:        default:
                   1822:                len = 1;
1.322     schwarze 1823:                fn_prio = 0;
1.76      kristaps 1824:                break;
1.45      kristaps 1825:        }
                   1826:
                   1827:        if (0 == len)
                   1828:                term_newln(p);
1.312     schwarze 1829:        else if (len < 0)
                   1830:                p->skipvsp -= len;
                   1831:        else
                   1832:                for (i = 0; i < len; i++)
                   1833:                        term_vspace(p);
1.45      kristaps 1834:
1.328     schwarze 1835:        return 0;
1.45      kristaps 1836: }
                   1837:
                   1838: static int
1.294     schwarze 1839: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1840: {
                   1841:
1.328     schwarze 1842:        return 0;
1.268     schwarze 1843: }
                   1844:
                   1845: static int
1.188     kristaps 1846: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1847: {
                   1848:
1.314     schwarze 1849:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328     schwarze 1850:                return 1;
1.1       kristaps 1851:
1.188     kristaps 1852:        switch (n->tok) {
1.264     schwarze 1853:        case MDOC_Ao:
                   1854:        case MDOC_Aq:
1.331     schwarze 1855:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1856:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1857:                break;
1.264     schwarze 1858:        case MDOC_Bro:
                   1859:        case MDOC_Brq:
1.188     kristaps 1860:                term_word(p, "{");
                   1861:                break;
1.264     schwarze 1862:        case MDOC_Oo:
                   1863:        case MDOC_Op:
                   1864:        case MDOC_Bo:
                   1865:        case MDOC_Bq:
1.188     kristaps 1866:                term_word(p, "[");
                   1867:                break;
1.264     schwarze 1868:        case MDOC_Do:
                   1869:        case MDOC_Dq:
1.311     schwarze 1870:                term_word(p, "\\(Lq");
1.188     kristaps 1871:                break;
1.268     schwarze 1872:        case MDOC_En:
                   1873:                if (NULL == n->norm->Es ||
                   1874:                    NULL == n->norm->Es->child)
1.328     schwarze 1875:                        return 1;
1.268     schwarze 1876:                term_word(p, n->norm->Es->child->string);
                   1877:                break;
1.264     schwarze 1878:        case MDOC_Po:
                   1879:        case MDOC_Pq:
1.188     kristaps 1880:                term_word(p, "(");
                   1881:                break;
1.264     schwarze 1882:        case MDOC__T:
                   1883:        case MDOC_Qo:
                   1884:        case MDOC_Qq:
1.188     kristaps 1885:                term_word(p, "\"");
                   1886:                break;
1.264     schwarze 1887:        case MDOC_Ql:
                   1888:        case MDOC_So:
                   1889:        case MDOC_Sq:
1.249     schwarze 1890:                term_word(p, "\\(oq");
1.188     kristaps 1891:                break;
                   1892:        default:
                   1893:                abort();
                   1894:        }
1.1       kristaps 1895:
                   1896:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1897:        return 1;
1.1       kristaps 1898: }
                   1899:
                   1900: static void
1.188     kristaps 1901: termp_quote_post(DECL_ARGS)
1.1       kristaps 1902: {
                   1903:
1.314     schwarze 1904:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1905:                return;
                   1906:
1.306     schwarze 1907:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1908:
1.188     kristaps 1909:        switch (n->tok) {
1.264     schwarze 1910:        case MDOC_Ao:
                   1911:        case MDOC_Aq:
1.331     schwarze 1912:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1913:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1914:                break;
1.264     schwarze 1915:        case MDOC_Bro:
                   1916:        case MDOC_Brq:
1.188     kristaps 1917:                term_word(p, "}");
                   1918:                break;
1.264     schwarze 1919:        case MDOC_Oo:
                   1920:        case MDOC_Op:
                   1921:        case MDOC_Bo:
                   1922:        case MDOC_Bq:
1.188     kristaps 1923:                term_word(p, "]");
                   1924:                break;
1.264     schwarze 1925:        case MDOC_Do:
                   1926:        case MDOC_Dq:
1.311     schwarze 1927:                term_word(p, "\\(Rq");
1.268     schwarze 1928:                break;
                   1929:        case MDOC_En:
1.306     schwarze 1930:                if (n->norm->Es == NULL ||
                   1931:                    n->norm->Es->child == NULL ||
                   1932:                    n->norm->Es->child->next == NULL)
                   1933:                        p->flags &= ~TERMP_NOSPACE;
                   1934:                else
1.268     schwarze 1935:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1936:                break;
1.264     schwarze 1937:        case MDOC_Po:
                   1938:        case MDOC_Pq:
1.188     kristaps 1939:                term_word(p, ")");
                   1940:                break;
1.264     schwarze 1941:        case MDOC__T:
                   1942:        case MDOC_Qo:
                   1943:        case MDOC_Qq:
1.188     kristaps 1944:                term_word(p, "\"");
                   1945:                break;
1.264     schwarze 1946:        case MDOC_Ql:
                   1947:        case MDOC_So:
                   1948:        case MDOC_Sq:
1.249     schwarze 1949:                term_word(p, "\\(cq");
1.188     kristaps 1950:                break;
                   1951:        default:
                   1952:                abort();
                   1953:        }
1.306     schwarze 1954: }
                   1955:
                   1956: static int
                   1957: termp_eo_pre(DECL_ARGS)
                   1958: {
                   1959:
1.314     schwarze 1960:        if (n->type != ROFFT_BODY)
1.328     schwarze 1961:                return 1;
1.306     schwarze 1962:
                   1963:        if (n->end == ENDBODY_NOT &&
                   1964:            n->parent->head->child == NULL &&
                   1965:            n->child != NULL &&
                   1966:            n->child->end != ENDBODY_NOT)
                   1967:                term_word(p, "\\&");
                   1968:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1969:             n->parent->head->child != NULL && (n->child != NULL ||
                   1970:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 1971:                p->flags |= TERMP_NOSPACE;
                   1972:
1.328     schwarze 1973:        return 1;
1.306     schwarze 1974: }
                   1975:
                   1976: static void
                   1977: termp_eo_post(DECL_ARGS)
                   1978: {
                   1979:        int      body, tail;
                   1980:
1.314     schwarze 1981:        if (n->type != ROFFT_BODY)
1.306     schwarze 1982:                return;
                   1983:
                   1984:        if (n->end != ENDBODY_NOT) {
                   1985:                p->flags &= ~TERMP_NOSPACE;
                   1986:                return;
                   1987:        }
                   1988:
                   1989:        body = n->child != NULL || n->parent->head->child != NULL;
                   1990:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1991:
                   1992:        if (body && tail)
                   1993:                p->flags |= TERMP_NOSPACE;
                   1994:        else if ( ! (body || tail))
                   1995:                term_word(p, "\\&");
                   1996:        else if ( ! tail)
                   1997:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1998: }
                   1999:
                   2000: static int
                   2001: termp_fo_pre(DECL_ARGS)
                   2002: {
1.257     schwarze 2003:        size_t           rmargin = 0;
1.256     schwarze 2004:        int              pretty;
                   2005:
                   2006:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2007:
1.314     schwarze 2008:        if (n->type == ROFFT_BLOCK) {
1.143     kristaps 2009:                synopsis_pre(p, n);
1.328     schwarze 2010:                return 1;
1.314     schwarze 2011:        } else if (n->type == ROFFT_BODY) {
1.256     schwarze 2012:                if (pretty) {
                   2013:                        rmargin = p->rmargin;
1.257     schwarze 2014:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2015:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2016:                                        TERMP_HANG;
1.256     schwarze 2017:                }
1.33      kristaps 2018:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2019:                term_word(p, "(");
1.222     kristaps 2020:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2021:                if (pretty) {
                   2022:                        term_flushln(p);
1.263     schwarze 2023:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2024:                                        TERMP_HANG);
1.256     schwarze 2025:                        p->offset = p->rmargin;
                   2026:                        p->rmargin = rmargin;
                   2027:                }
1.328     schwarze 2028:                return 1;
1.256     schwarze 2029:        }
1.141     kristaps 2030:
1.169     kristaps 2031:        if (NULL == n->child)
1.328     schwarze 2032:                return 0;
1.169     kristaps 2033:
1.141     kristaps 2034:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2035:
1.141     kristaps 2036:        assert(n->child->string);
1.102     kristaps 2037:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2038:        term_word(p, n->child->string);
1.328     schwarze 2039:        return 0;
1.1       kristaps 2040: }
                   2041:
                   2042: static void
                   2043: termp_fo_post(DECL_ARGS)
                   2044: {
                   2045:
1.314     schwarze 2046:        if (n->type != ROFFT_BODY)
1.143     kristaps 2047:                return;
                   2048:
1.222     kristaps 2049:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2050:        term_word(p, ")");
                   2051:
1.222     kristaps 2052:        if (MDOC_SYNPRETTY & n->flags) {
                   2053:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2054:                term_word(p, ";");
1.256     schwarze 2055:                term_flushln(p);
1.222     kristaps 2056:        }
1.1       kristaps 2057: }
                   2058:
                   2059: static int
                   2060: termp_bf_pre(DECL_ARGS)
                   2061: {
                   2062:
1.314     schwarze 2063:        if (n->type == ROFFT_HEAD)
1.328     schwarze 2064:                return 0;
1.314     schwarze 2065:        else if (n->type != ROFFT_BODY)
1.328     schwarze 2066:                return 1;
1.1       kristaps 2067:
1.264     schwarze 2068:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2069:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2070:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2071:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2072:        else
1.102     kristaps 2073:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2074:
1.328     schwarze 2075:        return 1;
1.1       kristaps 2076: }
                   2077:
                   2078: static int
                   2079: termp_sm_pre(DECL_ARGS)
                   2080: {
                   2081:
1.269     schwarze 2082:        if (NULL == n->child)
                   2083:                p->flags ^= TERMP_NONOSPACE;
                   2084:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2085:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2086:        else
1.1       kristaps 2087:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2088:
                   2089:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2090:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2091:
1.328     schwarze 2092:        return 0;
1.1       kristaps 2093: }
                   2094:
                   2095: static int
                   2096: termp_ap_pre(DECL_ARGS)
                   2097: {
                   2098:
                   2099:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2100:        term_word(p, "'");
1.1       kristaps 2101:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 2102:        return 1;
1.1       kristaps 2103: }
                   2104:
                   2105: static void
                   2106: termp____post(DECL_ARGS)
                   2107: {
1.184     kristaps 2108:
                   2109:        /*
                   2110:         * Handle lists of authors.  In general, print each followed by
                   2111:         * a comma.  Don't print the comma if there are only two
                   2112:         * authors.
                   2113:         */
                   2114:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2115:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2116:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2117:                                return;
1.1       kristaps 2118:
1.95      kristaps 2119:        /* TODO: %U. */
                   2120:
1.187     kristaps 2121:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2122:                return;
                   2123:
1.222     kristaps 2124:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2125:        if (NULL == n->next) {
                   2126:                term_word(p, ".");
                   2127:                p->flags |= TERMP_SENTENCE;
                   2128:        } else
                   2129:                term_word(p, ",");
1.1       kristaps 2130: }
                   2131:
                   2132: static int
1.102     kristaps 2133: termp_li_pre(DECL_ARGS)
                   2134: {
                   2135:
1.335     schwarze 2136:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 2137:        term_fontpush(p, TERMFONT_NONE);
1.328     schwarze 2138:        return 1;
1.102     kristaps 2139: }
                   2140:
                   2141: static int
1.1       kristaps 2142: termp_lk_pre(DECL_ARGS)
                   2143: {
1.315     schwarze 2144:        const struct roff_node *link, *descr;
1.1       kristaps 2145:
1.240     schwarze 2146:        if (NULL == (link = n->child))
1.328     schwarze 2147:                return 0;
1.181     kristaps 2148:
1.240     schwarze 2149:        if (NULL != (descr = link->next)) {
                   2150:                term_fontpush(p, TERMFONT_UNDER);
                   2151:                while (NULL != descr) {
                   2152:                        term_word(p, descr->string);
                   2153:                        descr = descr->next;
                   2154:                }
                   2155:                p->flags |= TERMP_NOSPACE;
                   2156:                term_word(p, ":");
                   2157:                term_fontpop(p);
                   2158:        }
1.1       kristaps 2159:
1.102     kristaps 2160:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2161:        term_word(p, link->string);
1.102     kristaps 2162:        term_fontpop(p);
1.12      kristaps 2163:
1.328     schwarze 2164:        return 0;
1.1       kristaps 2165: }
                   2166:
1.159     schwarze 2167: static int
                   2168: termp_bk_pre(DECL_ARGS)
                   2169: {
                   2170:
1.161     schwarze 2171:        switch (n->type) {
1.314     schwarze 2172:        case ROFFT_BLOCK:
1.166     kristaps 2173:                break;
1.314     schwarze 2174:        case ROFFT_HEAD:
1.328     schwarze 2175:                return 0;
1.314     schwarze 2176:        case ROFFT_BODY:
1.331     schwarze 2177:                if (n->parent->args != NULL || n->prev->child == NULL)
1.200     schwarze 2178:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2179:                break;
1.161     schwarze 2180:        default:
                   2181:                abort();
                   2182:        }
1.166     kristaps 2183:
1.328     schwarze 2184:        return 1;
1.159     schwarze 2185: }
                   2186:
                   2187: static void
                   2188: termp_bk_post(DECL_ARGS)
                   2189: {
                   2190:
1.314     schwarze 2191:        if (n->type == ROFFT_BODY)
1.161     schwarze 2192:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2193: }
                   2194:
                   2195: static void
                   2196: termp__t_post(DECL_ARGS)
                   2197: {
                   2198:
                   2199:        /*
                   2200:         * If we're in an `Rs' and there's a journal present, then quote
                   2201:         * us instead of underlining us (for disambiguation).
                   2202:         */
1.217     schwarze 2203:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2204:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2205:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2206:
1.245     schwarze 2207:        termp____post(p, pair, meta, n);
1.203     kristaps 2208: }
                   2209:
                   2210: static int
                   2211: termp__t_pre(DECL_ARGS)
                   2212: {
                   2213:
                   2214:        /*
                   2215:         * If we're in an `Rs' and there's a journal present, then quote
                   2216:         * us instead of underlining us (for disambiguation).
                   2217:         */
                   2218:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2219:            n->parent->norm->Rs.quote_T)
1.328     schwarze 2220:                return termp_quote_pre(p, pair, meta, n);
1.203     kristaps 2221:
                   2222:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 2223:        return 1;
1.159     schwarze 2224: }
1.1       kristaps 2225:
                   2226: static int
1.69      kristaps 2227: termp_under_pre(DECL_ARGS)
1.1       kristaps 2228: {
                   2229:
1.102     kristaps 2230:        term_fontpush(p, TERMFONT_UNDER);
1.334     schwarze 2231:        return 1;
                   2232: }
                   2233:
                   2234: static int
                   2235: termp_em_pre(DECL_ARGS)
                   2236: {
                   2237:        if (n->child != NULL &&
                   2238:            n->child->type == ROFFT_TEXT)
                   2239:                tag_put(n->child->string, 0, p->line);
                   2240:        term_fontpush(p, TERMFONT_UNDER);
                   2241:        return 1;
                   2242: }
                   2243:
                   2244: static int
                   2245: termp_sy_pre(DECL_ARGS)
                   2246: {
                   2247:        if (n->child != NULL &&
                   2248:            n->child->type == ROFFT_TEXT)
                   2249:                tag_put(n->child->string, 0, p->line);
                   2250:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 2251:        return 1;
1.323     schwarze 2252: }
                   2253:
                   2254: static int
                   2255: termp_er_pre(DECL_ARGS)
                   2256: {
                   2257:
                   2258:        if (n->sec == SEC_ERRORS &&
                   2259:            (n->parent->tok == MDOC_It ||
                   2260:             (n->parent->tok == MDOC_Bq &&
1.324     schwarze 2261:              n->parent->parent->parent->tok == MDOC_It)))
                   2262:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2263:        return 1;
1.320     schwarze 2264: }
                   2265:
                   2266: static int
                   2267: termp_tag_pre(DECL_ARGS)
                   2268: {
                   2269:
                   2270:        if (n->child != NULL &&
                   2271:            n->child->type == ROFFT_TEXT &&
1.333     schwarze 2272:            (n->prev == NULL ||
                   2273:             (n->prev->type == ROFFT_TEXT &&
                   2274:              strcmp(n->prev->string, "|") == 0)) &&
1.320     schwarze 2275:            (n->parent->tok == MDOC_It ||
                   2276:             (n->parent->tok == MDOC_Xo &&
                   2277:              n->parent->parent->prev == NULL &&
1.324     schwarze 2278:              n->parent->parent->parent->tok == MDOC_It)))
                   2279:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2280:        return 1;
1.84      kristaps 2281: }

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