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Annotation of mandoc/mdoc_term.c, Revision 1.371

1.371   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.370 2018/12/13 11:55:47 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.367     schwarze    4:  * Copyright (c) 2010, 2012-2018 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"
                     32: #include "roff.h"
                     33: #include "mdoc.h"
1.92      kristaps   34: #include "out.h"
1.1       kristaps   35: #include "term.h"
1.320     schwarze   36: #include "tag.h"
1.89      kristaps   37: #include "main.h"
1.1       kristaps   38:
                     39: struct termpair {
                     40:        struct termpair  *ppair;
1.31      kristaps   41:        int               count;
1.1       kristaps   42: };
                     43:
1.31      kristaps   44: #define        DECL_ARGS struct termp *p, \
                     45:                  struct termpair *pair, \
1.316     schwarze   46:                  const struct roff_meta *meta, \
1.315     schwarze   47:                  struct roff_node *n
1.1       kristaps   48:
1.368     schwarze   49: struct mdoc_term_act {
1.1       kristaps   50:        int     (*pre)(DECL_ARGS);
                     51:        void    (*post)(DECL_ARGS);
                     52: };
                     53:
1.302     schwarze   54: static int       a2width(const struct termp *, const char *);
1.96      kristaps   55:
                     56: static void      print_bvspace(struct termp *,
1.315     schwarze   57:                        const struct roff_node *,
                     58:                        const struct roff_node *);
1.264     schwarze   59: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   60: static void      print_mdoc_nodelist(DECL_ARGS);
1.316     schwarze   61: static void      print_mdoc_head(struct termp *, const struct roff_meta *);
                     62: static void      print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264     schwarze   63: static void      synopsis_pre(struct termp *,
1.315     schwarze   64:                        const struct roff_node *);
1.96      kristaps   65:
1.31      kristaps   66: static void      termp____post(DECL_ARGS);
1.203     kristaps   67: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   68: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   69: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   70: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   71: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   72: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   73: static void      termp_fo_post(DECL_ARGS);
                     74: static void      termp_in_post(DECL_ARGS);
                     75: static void      termp_it_post(DECL_ARGS);
                     76: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   77: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   78: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   79: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   80: static void      termp_sh_post(DECL_ARGS);
                     81: static void      termp_ss_post(DECL_ARGS);
1.339     schwarze   82: static void      termp_xx_post(DECL_ARGS);
1.31      kristaps   83:
1.184     kristaps   84: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   85: static int       termp__t_pre(DECL_ARGS);
1.369     schwarze   86: static int       termp_abort_pre(DECL_ARGS);
1.61      kristaps   87: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   88: static int       termp_ap_pre(DECL_ARGS);
                     89: static int       termp_bd_pre(DECL_ARGS);
                     90: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   91: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   92: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   93: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   94: static int       termp_cd_pre(DECL_ARGS);
                     95: static int       termp_d1_pre(DECL_ARGS);
1.306     schwarze   96: static int       termp_eo_pre(DECL_ARGS);
1.334     schwarze   97: static int       termp_em_pre(DECL_ARGS);
1.323     schwarze   98: static int       termp_er_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_ex_pre(DECL_ARGS);
                    100: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps  101: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  102: static int       termp_fl_pre(DECL_ARGS);
                    103: static int       termp_fn_pre(DECL_ARGS);
                    104: static int       termp_fo_pre(DECL_ARGS);
                    105: static int       termp_ft_pre(DECL_ARGS);
                    106: static int       termp_in_pre(DECL_ARGS);
                    107: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  108: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  109: static int       termp_lk_pre(DECL_ARGS);
                    110: static int       termp_nd_pre(DECL_ARGS);
                    111: static int       termp_nm_pre(DECL_ARGS);
                    112: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  113: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  114: static int       termp_rs_pre(DECL_ARGS);
                    115: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  116: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  117: static int       termp_sm_pre(DECL_ARGS);
1.355     schwarze  118: static int       termp_pp_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_ss_pre(DECL_ARGS);
1.334     schwarze  120: static int       termp_sy_pre(DECL_ARGS);
1.320     schwarze  121: static int       termp_tag_pre(DECL_ARGS);
1.69      kristaps  122: static int       termp_under_pre(DECL_ARGS);
1.110     kristaps  123: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  124: static int       termp_xr_pre(DECL_ARGS);
                    125: static int       termp_xx_pre(DECL_ARGS);
                    126:
1.368     schwarze  127: static const struct mdoc_term_act mdoc_term_acts[MDOC_MAX - MDOC_Dd] = {
1.1       kristaps  128:        { NULL, NULL }, /* Dd */
                    129:        { NULL, NULL }, /* Dt */
                    130:        { NULL, NULL }, /* Os */
                    131:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  132:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.355     schwarze  133:        { termp_pp_pre, NULL }, /* Pp */
1.241     schwarze  134:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    135:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  136:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    137:        { NULL, NULL }, /* Ed */
1.115     kristaps  138:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  139:        { NULL, NULL }, /* El */
                    140:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  141:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  142:        { termp_an_pre, NULL }, /* An */
1.350     schwarze  143:        { termp_ap_pre, NULL }, /* Ap */
1.69      kristaps  144:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  145:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  146:        { termp_bold_pre, NULL }, /* Cm */
1.325     schwarze  147:        { termp_li_pre, NULL }, /* Dv */
1.323     schwarze  148:        { termp_er_pre, NULL }, /* Er */
1.320     schwarze  149:        { termp_tag_pre, NULL }, /* Ev */
1.1       kristaps  150:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  151:        { termp_fa_pre, NULL }, /* Fa */
                    152:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  153:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  154:        { termp_fn_pre, NULL }, /* Fn */
                    155:        { termp_ft_pre, NULL }, /* Ft */
                    156:        { termp_bold_pre, NULL }, /* Ic */
                    157:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  158:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  159:        { termp_nd_pre, NULL }, /* Nd */
                    160:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  161:        { termp_quote_pre, termp_quote_post }, /* Op */
1.369     schwarze  162:        { termp_abort_pre, NULL }, /* Ot */
1.69      kristaps  163:        { termp_under_pre, NULL }, /* Pa */
1.341     schwarze  164:        { termp_ex_pre, NULL }, /* Rv */
1.264     schwarze  165:        { NULL, NULL }, /* St */
1.69      kristaps  166:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  167:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  168:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  169:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  170:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  171:        { NULL, termp____post }, /* %D */
1.84      kristaps  172:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  173:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  174:        { NULL, termp____post }, /* %N */
                    175:        { NULL, termp____post }, /* %O */
                    176:        { NULL, termp____post }, /* %P */
                    177:        { NULL, termp____post }, /* %R */
1.203     kristaps  178:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  179:        { NULL, termp____post }, /* %V */
                    180:        { NULL, NULL }, /* Ac */
1.188     kristaps  181:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    182:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  183:        { NULL, NULL }, /* At */
1.1       kristaps  184:        { NULL, NULL }, /* Bc */
1.264     schwarze  185:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  186:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    187:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.339     schwarze  188:        { termp_xx_pre, termp_xx_post }, /* Bsx */
1.340     schwarze  189:        { NULL, NULL }, /* Bx */
1.294     schwarze  190:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  191:        { NULL, NULL }, /* Dc */
1.188     kristaps  192:        { termp_quote_pre, termp_quote_post }, /* Do */
                    193:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  194:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  195:        { NULL, NULL }, /* Ef */
1.334     schwarze  196:        { termp_em_pre, NULL }, /* Em */
1.306     schwarze  197:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.339     schwarze  198:        { termp_xx_pre, termp_xx_post }, /* Fx */
1.176     kristaps  199:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  200:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  201:        { termp_ns_pre, NULL }, /* Ns */
1.339     schwarze  202:        { termp_xx_pre, termp_xx_post }, /* Nx */
                    203:        { termp_xx_pre, termp_xx_post }, /* Ox */
1.1       kristaps  204:        { NULL, NULL }, /* Pc */
1.254     schwarze  205:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  206:        { termp_quote_pre, termp_quote_post }, /* Po */
                    207:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  208:        { NULL, NULL }, /* Qc */
1.188     kristaps  209:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    210:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    211:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  212:        { NULL, NULL }, /* Re */
                    213:        { termp_rs_pre, NULL }, /* Rs */
                    214:        { NULL, NULL }, /* Sc */
1.188     kristaps  215:        { termp_quote_pre, termp_quote_post }, /* So */
                    216:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  217:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  218:        { termp_under_pre, NULL }, /* Sx */
1.334     schwarze  219:        { termp_sy_pre, NULL }, /* Sy */
1.1       kristaps  220:        { NULL, NULL }, /* Tn */
1.339     schwarze  221:        { termp_xx_pre, termp_xx_post }, /* Ux */
1.1       kristaps  222:        { NULL, NULL }, /* Xc */
                    223:        { NULL, NULL }, /* Xo */
1.264     schwarze  224:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    225:        { NULL, NULL }, /* Fc */
1.188     kristaps  226:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  227:        { NULL, NULL }, /* Oc */
1.159     schwarze  228:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  229:        { NULL, NULL }, /* Ek */
1.341     schwarze  230:        { NULL, NULL }, /* Bt */
1.1       kristaps  231:        { NULL, NULL }, /* Hf */
1.268     schwarze  232:        { termp_under_pre, NULL }, /* Fr */
1.341     schwarze  233:        { NULL, NULL }, /* Ud */
1.37      kristaps  234:        { NULL, termp_lb_post }, /* Lb */
1.369     schwarze  235:        { termp_abort_pre, NULL }, /* Lp */
1.264     schwarze  236:        { termp_lk_pre, NULL }, /* Lk */
                    237:        { termp_under_pre, NULL }, /* Mt */
                    238:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    239:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    240:        { NULL, NULL }, /* Brc */
                    241:        { NULL, termp____post }, /* %C */
1.294     schwarze  242:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  243:        { termp_quote_pre, termp_quote_post }, /* En */
1.339     schwarze  244:        { termp_xx_pre, termp_xx_post }, /* Dx */
1.264     schwarze  245:        { NULL, termp____post }, /* %Q */
                    246:        { NULL, termp____post }, /* %U */
                    247:        { NULL, NULL }, /* Ta */
1.1       kristaps  248: };
                    249:
1.322     schwarze  250: static int      fn_prio;
1.1       kristaps  251:
1.350     schwarze  252:
1.70      kristaps  253: void
1.371   ! schwarze  254: terminal_mdoc(void *arg, const struct roff_meta *mdoc)
1.1       kristaps  255: {
1.315     schwarze  256:        struct roff_node        *n;
1.89      kristaps  257:        struct termp            *p;
1.342     schwarze  258:        size_t                   save_defindent;
1.89      kristaps  259:
                    260:        p = (struct termp *)arg;
1.362     schwarze  261:        p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.356     schwarze  262:        term_tab_set(p, NULL);
                    263:        term_tab_set(p, "T");
                    264:        term_tab_set(p, ".5i");
1.70      kristaps  265:
1.319     schwarze  266:        n = mdoc->first->child;
1.281     schwarze  267:        if (p->synopsisonly) {
                    268:                while (n != NULL) {
                    269:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    270:                                if (n->child->next->child != NULL)
                    271:                                        print_mdoc_nodelist(p, NULL,
1.371   ! schwarze  272:                                            mdoc, n->child->next->child);
1.281     schwarze  273:                                term_newln(p);
                    274:                                break;
                    275:                        }
                    276:                        n = n->next;
                    277:                }
                    278:        } else {
1.342     schwarze  279:                save_defindent = p->defindent;
1.281     schwarze  280:                if (p->defindent == 0)
                    281:                        p->defindent = 5;
1.371   ! schwarze  282:                term_begin(p, print_mdoc_head, print_mdoc_foot, mdoc);
1.367     schwarze  283:                while (n != NULL &&
                    284:                    (n->type == ROFFT_COMMENT ||
                    285:                     n->flags & NODE_NOPRT))
1.337     schwarze  286:                        n = n->next;
1.281     schwarze  287:                if (n != NULL) {
                    288:                        if (n->tok != MDOC_Sh)
                    289:                                term_vspace(p);
1.371   ! schwarze  290:                        print_mdoc_nodelist(p, NULL, mdoc, n);
1.281     schwarze  291:                }
                    292:                term_end(p);
1.342     schwarze  293:                p->defindent = save_defindent;
1.271     schwarze  294:        }
1.1       kristaps  295: }
                    296:
1.3       kristaps  297: static void
1.102     kristaps  298: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  299: {
                    300:
1.304     schwarze  301:        while (n != NULL) {
                    302:                print_mdoc_node(p, pair, meta, n);
                    303:                n = n->next;
                    304:        }
1.1       kristaps  305: }
                    306:
1.3       kristaps  307: static void
1.102     kristaps  308: print_mdoc_node(DECL_ARGS)
1.1       kristaps  309: {
1.368     schwarze  310:        const struct mdoc_term_act *act;
1.1       kristaps  311:        struct termpair  npair;
1.30      kristaps  312:        size_t           offset, rmargin;
1.368     schwarze  313:        int              chld;
1.1       kristaps  314:
1.367     schwarze  315:        if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
1.337     schwarze  316:                return;
                    317:
1.70      kristaps  318:        chld = 1;
1.362     schwarze  319:        offset = p->tcol->offset;
                    320:        rmargin = p->tcol->rmargin;
1.338     schwarze  321:        n->flags &= ~NODE_ENDED;
1.305     schwarze  322:        n->prev_font = p->fonti;
1.29      kristaps  323:
1.97      kristaps  324:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  325:        npair.ppair = pair;
1.172     kristaps  326:
                    327:        /*
                    328:         * Keeps only work until the end of a line.  If a keep was
                    329:         * invoked in a prior line, revert it to PREKEEP.
                    330:         */
                    331:
1.338     schwarze  332:        if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307     schwarze  333:                p->flags &= ~TERMP_KEEP;
                    334:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  335:        }
1.197     schwarze  336:
                    337:        /*
1.217     schwarze  338:         * After the keep flags have been set up, we may now
                    339:         * produce output.  Note that some pre-handlers do so.
                    340:         */
                    341:
                    342:        switch (n->type) {
1.314     schwarze  343:        case ROFFT_TEXT:
1.357     schwarze  344:                if (*n->string == ' ' && n->flags & NODE_LINE &&
                    345:                    (p->flags & TERMP_NONEWLINE) == 0)
1.217     schwarze  346:                        term_newln(p);
1.338     schwarze  347:                if (NODE_DELIMC & n->flags)
1.222     kristaps  348:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  349:                term_word(p, n->string);
1.338     schwarze  350:                if (NODE_DELIMO & n->flags)
1.222     kristaps  351:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  352:                break;
1.314     schwarze  353:        case ROFFT_EQN:
1.338     schwarze  354:                if ( ! (n->flags & NODE_LINE))
1.284     schwarze  355:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  356:                term_eqn(p, n->eqn);
1.338     schwarze  357:                if (n->next != NULL && ! (n->next->flags & NODE_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:
1.351     schwarze  366:                if (n->tok < ROFF_MAX) {
1.352     schwarze  367:                        roff_term_pre(p, n);
1.354     schwarze  368:                        return;
1.351     schwarze  369:                }
                    370:                assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.368     schwarze  371:                act = mdoc_term_acts + (n->tok - MDOC_Dd);
                    372:                if (act->pre != NULL &&
1.331     schwarze  373:                    (n->end == ENDBODY_NOT || n->child != NULL))
1.368     schwarze  374:                        chld = (*act->pre)(p, &npair, meta, n);
1.217     schwarze  375:                break;
                    376:        }
                    377:
1.86      kristaps  378:        if (chld && n->child)
1.245     schwarze  379:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  380:
1.244     schwarze  381:        term_fontpopq(p,
1.310     schwarze  382:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  383:
1.206     kristaps  384:        switch (n->type) {
1.314     schwarze  385:        case ROFFT_TEXT:
1.206     kristaps  386:                break;
1.314     schwarze  387:        case ROFFT_TBL:
1.216     kristaps  388:                break;
1.314     schwarze  389:        case ROFFT_EQN:
1.206     kristaps  390:                break;
                    391:        default:
1.368     schwarze  392:                if (act->post == NULL || n->flags & NODE_ENDED)
1.206     kristaps  393:                        break;
1.368     schwarze  394:                (void)(*act->post)(p, &npair, meta, n);
1.162     schwarze  395:
                    396:                /*
                    397:                 * Explicit end tokens not only call the post
                    398:                 * handler, but also tell the respective block
                    399:                 * that it must not call the post handler again.
                    400:                 */
1.165     kristaps  401:                if (ENDBODY_NOT != n->end)
1.338     schwarze  402:                        n->body->flags |= NODE_ENDED;
1.206     kristaps  403:                break;
1.162     schwarze  404:        }
1.121     kristaps  405:
1.338     schwarze  406:        if (NODE_EOS & n->flags)
1.121     kristaps  407:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  408:
1.359     schwarze  409:        if (n->type != ROFFT_TEXT)
1.362     schwarze  410:                p->tcol->offset = offset;
                    411:        p->tcol->rmargin = rmargin;
1.1       kristaps  412: }
                    413:
1.3       kristaps  414: static void
1.316     schwarze  415: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  416: {
1.292     schwarze  417:        size_t sz;
1.144     kristaps  418:
1.102     kristaps  419:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  420:
1.264     schwarze  421:        /*
1.9       kristaps  422:         * Output the footer in new-groff style, that is, three columns
                    423:         * with the middle being the manual date and flanking columns
                    424:         * being the operating system:
                    425:         *
                    426:         * SYSTEM                  DATE                    SYSTEM
                    427:         */
                    428:
1.1       kristaps  429:        term_vspace(p);
                    430:
1.362     schwarze  431:        p->tcol->offset = 0;
1.292     schwarze  432:        sz = term_strlen(p, meta->date);
1.362     schwarze  433:        p->tcol->rmargin = p->maxrmargin > sz ?
1.292     schwarze  434:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  435:        p->trailspace = 1;
1.1       kristaps  436:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    437:
1.245     schwarze  438:        term_word(p, meta->os);
1.1       kristaps  439:        term_flushln(p);
                    440:
1.362     schwarze  441:        p->tcol->offset = p->tcol->rmargin;
1.292     schwarze  442:        sz = term_strlen(p, meta->os);
1.362     schwarze  443:        p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  444:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  445:
1.245     schwarze  446:        term_word(p, meta->date);
1.9       kristaps  447:        term_flushln(p);
                    448:
1.362     schwarze  449:        p->tcol->offset = p->tcol->rmargin;
                    450:        p->tcol->rmargin = p->maxrmargin;
1.250     schwarze  451:        p->trailspace = 0;
1.1       kristaps  452:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  453:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  454:
1.245     schwarze  455:        term_word(p, meta->os);
1.1       kristaps  456:        term_flushln(p);
                    457:
1.362     schwarze  458:        p->tcol->offset = 0;
                    459:        p->tcol->rmargin = p->maxrmargin;
1.9       kristaps  460:        p->flags = 0;
1.1       kristaps  461: }
                    462:
1.3       kristaps  463: static void
1.316     schwarze  464: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  465: {
1.267     schwarze  466:        char                    *volume, *title;
                    467:        size_t                   vollen, titlen;
1.1       kristaps  468:
                    469:        /*
                    470:         * The header is strange.  It has three components, which are
                    471:         * really two with the first duplicated.  It goes like this:
                    472:         *
                    473:         * IDENTIFIER              TITLE                   IDENTIFIER
                    474:         *
                    475:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    476:         * (if given, or "unknown" if not) followed by the manual page
                    477:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    478:         * string depending on the manual volume.  If not specified, it
                    479:         * switches on the manual section.
                    480:         */
1.235     schwarze  481:
1.245     schwarze  482:        assert(meta->vol);
1.267     schwarze  483:        if (NULL == meta->arch)
                    484:                volume = mandoc_strdup(meta->vol);
                    485:        else
                    486:                mandoc_asprintf(&volume, "%s (%s)",
                    487:                    meta->vol, meta->arch);
                    488:        vollen = term_strlen(p, volume);
1.1       kristaps  489:
1.275     schwarze  490:        if (NULL == meta->msec)
                    491:                title = mandoc_strdup(meta->title);
                    492:        else
                    493:                mandoc_asprintf(&title, "%s(%s)",
                    494:                    meta->title, meta->msec);
1.235     schwarze  495:        titlen = term_strlen(p, title);
1.1       kristaps  496:
1.235     schwarze  497:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  498:        p->trailspace = 1;
1.362     schwarze  499:        p->tcol->offset = 0;
                    500:        p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.267     schwarze  501:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  502:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  503:
                    504:        term_word(p, title);
                    505:        term_flushln(p);
                    506:
1.235     schwarze  507:        p->flags |= TERMP_NOSPACE;
1.362     schwarze  508:        p->tcol->offset = p->tcol->rmargin;
                    509:        p->tcol->rmargin = p->tcol->offset + vollen + titlen <
                    510:            p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  511:
1.267     schwarze  512:        term_word(p, volume);
1.1       kristaps  513:        term_flushln(p);
                    514:
                    515:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  516:        p->trailspace = 0;
1.362     schwarze  517:        if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.235     schwarze  518:                p->flags |= TERMP_NOSPACE;
1.362     schwarze  519:                p->tcol->offset = p->tcol->rmargin;
                    520:                p->tcol->rmargin = p->maxrmargin;
1.235     schwarze  521:                term_word(p, title);
                    522:                term_flushln(p);
                    523:        }
1.1       kristaps  524:
1.235     schwarze  525:        p->flags &= ~TERMP_NOSPACE;
1.362     schwarze  526:        p->tcol->offset = 0;
                    527:        p->tcol->rmargin = p->maxrmargin;
1.266     schwarze  528:        free(title);
1.267     schwarze  529:        free(volume);
1.1       kristaps  530: }
                    531:
1.302     schwarze  532: static int
1.157     kristaps  533: a2width(const struct termp *p, const char *v)
1.91      kristaps  534: {
1.92      kristaps  535:        struct roffsu    su;
1.363     schwarze  536:        const char      *end;
1.1       kristaps  537:
1.363     schwarze  538:        end = a2roffsu(v, &su, SCALE_MAX);
                    539:        if (end == NULL || *end != '\0') {
1.157     kristaps  540:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  541:                su.scale /= term_strlen(p, "0");
1.302     schwarze  542:        }
1.364     schwarze  543:        return term_hen(p, &su);
1.1       kristaps  544: }
                    545:
1.108     kristaps  546: /*
                    547:  * Determine how much space to print out before block elements of `It'
                    548:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    549:  * too.
                    550:  */
1.54      kristaps  551: static void
1.264     schwarze  552: print_bvspace(struct termp *p,
1.315     schwarze  553:        const struct roff_node *bl,
                    554:        const struct roff_node *n)
1.1       kristaps  555: {
1.315     schwarze  556:        const struct roff_node  *nn;
1.236     schwarze  557:
                    558:        assert(n);
1.1       kristaps  559:
                    560:        term_newln(p);
1.150     kristaps  561:
1.202     kristaps  562:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  563:                return;
1.202     kristaps  564:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  565:                return;
                    566:
1.85      kristaps  567:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  568:
1.289     schwarze  569:        nn = n;
1.367     schwarze  570:        while (nn->prev != NULL &&
                    571:            (nn->prev->type == ROFFT_COMMENT ||
                    572:             nn->prev->flags & NODE_NOPRT))
1.337     schwarze  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:
1.1       kristaps  605:
                    606: static int
                    607: termp_it_pre(DECL_ARGS)
                    608: {
1.345     schwarze  609:        struct roffsu           su;
1.302     schwarze  610:        char                    buf[24];
1.315     schwarze  611:        const struct roff_node *bl, *nn;
1.302     schwarze  612:        size_t                  ncols, dcol;
                    613:        int                     i, offset, width;
1.126     kristaps  614:        enum mdoc_list          type;
1.1       kristaps  615:
1.314     schwarze  616:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps  617:                print_bvspace(p, n->parent->parent, n);
1.328     schwarze  618:                return 1;
1.54      kristaps  619:        }
1.1       kristaps  620:
1.86      kristaps  621:        bl = n->parent->parent->parent;
1.202     kristaps  622:        type = bl->norm->Bl.type;
1.1       kristaps  623:
1.264     schwarze  624:        /*
1.302     schwarze  625:         * Defaults for specific list types.
                    626:         */
                    627:
                    628:        switch (type) {
                    629:        case LIST_bullet:
                    630:        case LIST_dash:
                    631:        case LIST_hyphen:
                    632:        case LIST_enum:
                    633:                width = term_len(p, 2);
                    634:                break;
                    635:        case LIST_hang:
1.332     schwarze  636:        case LIST_tag:
1.302     schwarze  637:                width = term_len(p, 8);
                    638:                break;
                    639:        case LIST_column:
                    640:                width = term_len(p, 10);
                    641:                break;
                    642:        default:
                    643:                width = 0;
                    644:                break;
                    645:        }
                    646:        offset = 0;
                    647:
                    648:        /*
1.108     kristaps  649:         * First calculate width and offset.  This is pretty easy unless
                    650:         * we're a -column list, in which case all prior columns must
                    651:         * be accounted for.
                    652:         */
                    653:
1.302     schwarze  654:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  655:                offset = a2width(p, bl->norm->Bl.offs);
1.362     schwarze  656:                if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
                    657:                        offset = -p->tcol->offset;
1.302     schwarze  658:                else if (offset > SHRT_MAX)
                    659:                        offset = 0;
                    660:        }
1.152     kristaps  661:
1.1       kristaps  662:        switch (type) {
1.264     schwarze  663:        case LIST_column:
1.314     schwarze  664:                if (n->type == ROFFT_HEAD)
1.1       kristaps  665:                        break;
1.155     kristaps  666:
1.105     kristaps  667:                /*
1.108     kristaps  668:                 * Imitate groff's column handling:
                    669:                 * - For each earlier column, add its width.
                    670:                 * - For less than 5 columns, add four more blanks per
                    671:                 *   column.
                    672:                 * - For exactly 5 columns, add three more blank per
                    673:                 *   column.
                    674:                 * - For more than 5 columns, add only one column.
1.105     kristaps  675:                 */
1.202     kristaps  676:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  677:                dcol = ncols < 5 ? term_len(p, 4) :
                    678:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  679:
1.134     kristaps  680:                /*
1.314     schwarze  681:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    682:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134     kristaps  683:                 */
                    684:
1.264     schwarze  685:                for (i = 0, nn = n->prev;
                    686:                    nn->prev && i < (int)ncols;
1.345     schwarze  687:                    nn = nn->prev, i++) {
                    688:                        SCALE_HS_INIT(&su,
                    689:                            term_strlen(p, bl->norm->Bl.cols[i]));
                    690:                        su.scale /= term_strlen(p, "0");
1.364     schwarze  691:                        offset += term_hen(p, &su) + dcol;
1.345     schwarze  692:                }
1.105     kristaps  693:
                    694:                /*
1.108     kristaps  695:                 * When exceeding the declared number of columns, leave
                    696:                 * the remaining widths at 0.  This will later be
                    697:                 * adjusted to the default width of 10, or, for the last
                    698:                 * column, stretched to the right margin.
1.58      kristaps  699:                 */
1.108     kristaps  700:                if (i >= (int)ncols)
                    701:                        break;
1.58      kristaps  702:
1.105     kristaps  703:                /*
1.108     kristaps  704:                 * Use the declared column widths, extended as explained
                    705:                 * in the preceding paragraph.
1.105     kristaps  706:                 */
1.345     schwarze  707:                SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
                    708:                su.scale /= term_strlen(p, "0");
1.364     schwarze  709:                width = term_hen(p, &su) + dcol;
1.1       kristaps  710:                break;
                    711:        default:
1.202     kristaps  712:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  713:                        break;
                    714:
1.264     schwarze  715:                /*
1.108     kristaps  716:                 * Note: buffer the width by 2, which is groff's magic
                    717:                 * number for buffering single arguments.  See the above
                    718:                 * handling for column for how this changes.
                    719:                 */
1.202     kristaps  720:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.362     schwarze  721:                if (width < 0 && (size_t)(-width) > p->tcol->offset)
                    722:                        width = -p->tcol->offset;
1.302     schwarze  723:                else if (width > SHRT_MAX)
                    724:                        width = 0;
1.1       kristaps  725:                break;
                    726:        }
                    727:
1.264     schwarze  728:        /*
1.17      kristaps  729:         * Whitespace control.  Inset bodies need an initial space,
                    730:         * while diagonal bodies need two.
1.1       kristaps  731:         */
                    732:
1.51      kristaps  733:        p->flags |= TERMP_NOSPACE;
                    734:
1.1       kristaps  735:        switch (type) {
1.264     schwarze  736:        case LIST_diag:
1.314     schwarze  737:                if (n->type == ROFFT_BODY)
1.62      kristaps  738:                        term_word(p, "\\ \\ ");
1.51      kristaps  739:                break;
1.264     schwarze  740:        case LIST_inset:
1.331     schwarze  741:                if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51      kristaps  742:                        term_word(p, "\\ ");
1.1       kristaps  743:                break;
                    744:        default:
                    745:                break;
                    746:        }
                    747:
1.51      kristaps  748:        p->flags |= TERMP_NOSPACE;
                    749:
1.1       kristaps  750:        switch (type) {
1.264     schwarze  751:        case LIST_diag:
1.314     schwarze  752:                if (n->type == ROFFT_HEAD)
1.102     kristaps  753:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  754:                break;
                    755:        default:
                    756:                break;
                    757:        }
                    758:
                    759:        /*
1.109     kristaps  760:         * Pad and break control.  This is the tricky part.  These flags
                    761:         * are documented in term_flushln() in term.c.  Note that we're
                    762:         * going to unset all of these flags in termp_it_post() when we
                    763:         * exit.
1.1       kristaps  764:         */
                    765:
                    766:        switch (type) {
1.264     schwarze  767:        case LIST_enum:
1.329     schwarze  768:        case LIST_bullet:
                    769:        case LIST_dash:
                    770:        case LIST_hyphen:
1.360     schwarze  771:                if (n->type == ROFFT_HEAD) {
                    772:                        p->flags |= TERMP_NOBREAK | TERMP_HANG;
                    773:                        p->trailspace = 1;
                    774:                } else if (width <= (int)term_len(p, 2))
                    775:                        p->flags |= TERMP_NOPAD;
1.39      kristaps  776:                break;
1.264     schwarze  777:        case LIST_hang:
1.314     schwarze  778:                if (n->type != ROFFT_HEAD)
1.59      kristaps  779:                        break;
1.263     schwarze  780:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  781:                p->trailspace = 1;
1.39      kristaps  782:                break;
1.264     schwarze  783:        case LIST_tag:
1.314     schwarze  784:                if (n->type != ROFFT_HEAD)
1.39      kristaps  785:                        break;
1.250     schwarze  786:
1.326     schwarze  787:                p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250     schwarze  788:                p->trailspace = 2;
                    789:
1.86      kristaps  790:                if (NULL == n->next || NULL == n->next->child)
1.360     schwarze  791:                        p->flags |= TERMP_HANG;
1.1       kristaps  792:                break;
1.264     schwarze  793:        case LIST_column:
1.314     schwarze  794:                if (n->type == ROFFT_HEAD)
1.134     kristaps  795:                        break;
                    796:
1.250     schwarze  797:                if (NULL == n->next) {
1.134     kristaps  798:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  799:                        p->trailspace = 0;
                    800:                } else {
1.134     kristaps  801:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  802:                        p->trailspace = 1;
                    803:                }
1.134     kristaps  804:
1.1       kristaps  805:                break;
1.264     schwarze  806:        case LIST_diag:
1.314     schwarze  807:                if (n->type != ROFFT_HEAD)
1.250     schwarze  808:                        break;
1.263     schwarze  809:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  810:                p->trailspace = 1;
1.1       kristaps  811:                break;
                    812:        default:
                    813:                break;
                    814:        }
                    815:
1.264     schwarze  816:        /*
1.1       kristaps  817:         * Margin control.  Set-head-width lists have their right
                    818:         * margins shortened.  The body for these lists has the offset
                    819:         * necessarily lengthened.  Everybody gets the offset.
                    820:         */
                    821:
1.362     schwarze  822:        p->tcol->offset += offset;
1.1       kristaps  823:
                    824:        switch (type) {
1.264     schwarze  825:        case LIST_bullet:
                    826:        case LIST_dash:
                    827:        case LIST_enum:
                    828:        case LIST_hyphen:
1.360     schwarze  829:        case LIST_hang:
1.264     schwarze  830:        case LIST_tag:
1.314     schwarze  831:                if (n->type == ROFFT_HEAD)
1.362     schwarze  832:                        p->tcol->rmargin = p->tcol->offset + width;
1.292     schwarze  833:                else
1.362     schwarze  834:                        p->tcol->offset += width;
1.1       kristaps  835:                break;
1.264     schwarze  836:        case LIST_column:
1.49      kristaps  837:                assert(width);
1.362     schwarze  838:                p->tcol->rmargin = p->tcol->offset + width;
1.264     schwarze  839:                /*
1.50      kristaps  840:                 * XXX - this behaviour is not documented: the
                    841:                 * right-most column is filled to the right margin.
                    842:                 */
1.314     schwarze  843:                if (n->type == ROFFT_HEAD)
1.134     kristaps  844:                        break;
1.362     schwarze  845:                if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
                    846:                        p->tcol->rmargin = p->maxrmargin;
1.1       kristaps  847:                break;
                    848:        default:
                    849:                break;
                    850:        }
                    851:
1.264     schwarze  852:        /*
1.1       kristaps  853:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  854:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  855:         */
                    856:
1.314     schwarze  857:        if (n->type == ROFFT_HEAD)
1.1       kristaps  858:                switch (type) {
1.264     schwarze  859:                case LIST_bullet:
1.102     kristaps  860:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  861:                        term_word(p, "\\[bu]");
1.102     kristaps  862:                        term_fontpop(p);
1.1       kristaps  863:                        break;
1.264     schwarze  864:                case LIST_dash:
                    865:                case LIST_hyphen:
1.102     kristaps  866:                        term_fontpush(p, TERMFONT_BOLD);
1.330     schwarze  867:                        term_word(p, "-");
1.102     kristaps  868:                        term_fontpop(p);
1.1       kristaps  869:                        break;
1.264     schwarze  870:                case LIST_enum:
1.1       kristaps  871:                        (pair->ppair->ppair->count)++;
1.265     schwarze  872:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  873:                            pair->ppair->ppair->count);
1.1       kristaps  874:                        term_word(p, buf);
                    875:                        break;
                    876:                default:
                    877:                        break;
                    878:                }
                    879:
1.264     schwarze  880:        /*
1.1       kristaps  881:         * If we're not going to process our children, indicate so here.
                    882:         */
                    883:
                    884:        switch (type) {
1.264     schwarze  885:        case LIST_bullet:
                    886:        case LIST_item:
                    887:        case LIST_dash:
                    888:        case LIST_hyphen:
                    889:        case LIST_enum:
1.314     schwarze  890:                if (n->type == ROFFT_HEAD)
1.328     schwarze  891:                        return 0;
1.1       kristaps  892:                break;
1.264     schwarze  893:        case LIST_column:
1.314     schwarze  894:                if (n->type == ROFFT_HEAD)
1.328     schwarze  895:                        return 0;
1.360     schwarze  896:                p->minbl = 0;
1.1       kristaps  897:                break;
                    898:        default:
                    899:                break;
                    900:        }
                    901:
1.328     schwarze  902:        return 1;
1.1       kristaps  903: }
                    904:
                    905: static void
                    906: termp_it_post(DECL_ARGS)
                    907: {
1.126     kristaps  908:        enum mdoc_list     type;
1.1       kristaps  909:
1.314     schwarze  910:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  911:                return;
                    912:
1.202     kristaps  913:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  914:
                    915:        switch (type) {
1.264     schwarze  916:        case LIST_item:
                    917:        case LIST_diag:
                    918:        case LIST_inset:
1.314     schwarze  919:                if (n->type == ROFFT_BODY)
1.130     schwarze  920:                        term_newln(p);
1.1       kristaps  921:                break;
1.264     schwarze  922:        case LIST_column:
1.314     schwarze  923:                if (n->type == ROFFT_BODY)
1.1       kristaps  924:                        term_flushln(p);
                    925:                break;
                    926:        default:
1.130     schwarze  927:                term_newln(p);
1.1       kristaps  928:                break;
                    929:        }
                    930:
1.264     schwarze  931:        /*
1.109     kristaps  932:         * Now that our output is flushed, we can reset our tags.  Since
                    933:         * only `It' sets these flags, we're free to assume that nobody
                    934:         * has munged them in the meanwhile.
                    935:         */
                    936:
1.360     schwarze  937:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.250     schwarze  938:        p->trailspace = 0;
1.1       kristaps  939: }
                    940:
                    941: static int
                    942: termp_nm_pre(DECL_ARGS)
                    943: {
1.296     schwarze  944:        const char      *cp;
1.1       kristaps  945:
1.314     schwarze  946:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze  947:                p->flags |= TERMP_PREKEEP;
1.328     schwarze  948:                return 1;
1.253     schwarze  949:        }
1.164     schwarze  950:
1.314     schwarze  951:        if (n->type == ROFFT_BODY) {
1.362     schwarze  952:                if (n->child == NULL)
1.328     schwarze  953:                        return 0;
1.234     schwarze  954:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  955:                cp = NULL;
                    956:                if (n->prev->child != NULL)
                    957:                    cp = n->prev->child->string;
                    958:                if (cp == NULL)
                    959:                        cp = meta->name;
                    960:                if (cp == NULL)
1.362     schwarze  961:                        p->tcol->offset += term_len(p, 6);
1.296     schwarze  962:                else
1.362     schwarze  963:                        p->tcol->offset += term_len(p, 1) +
                    964:                            term_strlen(p, cp);
1.328     schwarze  965:                return 1;
1.164     schwarze  966:        }
                    967:
1.343     schwarze  968:        if (n->child == NULL)
1.328     schwarze  969:                return 0;
1.125     kristaps  970:
1.314     schwarze  971:        if (n->type == ROFFT_HEAD)
1.177     schwarze  972:                synopsis_pre(p, n->parent);
1.102     kristaps  973:
1.314     schwarze  974:        if (n->type == ROFFT_HEAD &&
1.362     schwarze  975:            n->next != NULL && n->next->child != NULL) {
1.263     schwarze  976:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  977:                p->trailspace = 1;
1.362     schwarze  978:                p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
                    979:                if (n->child == NULL)
                    980:                        p->tcol->rmargin += term_strlen(p, meta->name);
                    981:                else if (n->child->type == ROFFT_TEXT) {
                    982:                        p->tcol->rmargin += term_strlen(p, n->child->string);
                    983:                        if (n->child->next != NULL)
1.185     schwarze  984:                                p->flags |= TERMP_HANG;
                    985:                } else {
1.362     schwarze  986:                        p->tcol->rmargin += term_len(p, 5);
1.185     schwarze  987:                        p->flags |= TERMP_HANG;
                    988:                }
1.164     schwarze  989:        }
                    990:
1.102     kristaps  991:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze  992:        return 1;
1.1       kristaps  993: }
                    994:
1.164     schwarze  995: static void
                    996: termp_nm_post(DECL_ARGS)
                    997: {
                    998:
1.314     schwarze  999:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze 1000:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314     schwarze 1001:        } else if (n->type == ROFFT_HEAD &&
1.278     schwarze 1002:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1003:                term_flushln(p);
1.263     schwarze 1004:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1005:                p->trailspace = 0;
1.314     schwarze 1006:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164     schwarze 1007:                term_flushln(p);
                   1008: }
                   1009:
1.1       kristaps 1010: static int
                   1011: termp_fl_pre(DECL_ARGS)
                   1012: {
                   1013:
1.320     schwarze 1014:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1015:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1016:        term_word(p, "\\-");
1.103     kristaps 1017:
1.331     schwarze 1018:        if (!(n->child == NULL &&
1.280     schwarze 1019:            (n->next == NULL ||
1.314     schwarze 1020:             n->next->type == ROFFT_TEXT ||
1.338     schwarze 1021:             n->next->flags & NODE_LINE)))
1.103     kristaps 1022:                p->flags |= TERMP_NOSPACE;
                   1023:
1.328     schwarze 1024:        return 1;
1.1       kristaps 1025: }
                   1026:
                   1027: static int
1.184     kristaps 1028: termp__a_pre(DECL_ARGS)
                   1029: {
                   1030:
                   1031:        if (n->prev && MDOC__A == n->prev->tok)
                   1032:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1033:                        term_word(p, "and");
                   1034:
1.328     schwarze 1035:        return 1;
1.184     kristaps 1036: }
                   1037:
                   1038: static int
1.61      kristaps 1039: termp_an_pre(DECL_ARGS)
                   1040: {
                   1041:
1.282     schwarze 1042:        if (n->norm->An.auth == AUTH_split) {
                   1043:                p->flags &= ~TERMP_NOSPLIT;
                   1044:                p->flags |= TERMP_SPLIT;
1.328     schwarze 1045:                return 0;
1.282     schwarze 1046:        }
                   1047:        if (n->norm->An.auth == AUTH_nosplit) {
                   1048:                p->flags &= ~TERMP_SPLIT;
                   1049:                p->flags |= TERMP_NOSPLIT;
1.328     schwarze 1050:                return 0;
1.282     schwarze 1051:        }
1.264     schwarze 1052:
1.282     schwarze 1053:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1054:                term_newln(p);
                   1055:
1.282     schwarze 1056:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1057:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1058:
1.328     schwarze 1059:        return 1;
1.61      kristaps 1060: }
                   1061:
                   1062: static int
1.1       kristaps 1063: termp_ns_pre(DECL_ARGS)
                   1064: {
                   1065:
1.338     schwarze 1066:        if ( ! (NODE_LINE & n->flags))
1.215     kristaps 1067:                p->flags |= TERMP_NOSPACE;
1.328     schwarze 1068:        return 1;
1.1       kristaps 1069: }
                   1070:
                   1071: static int
                   1072: termp_rs_pre(DECL_ARGS)
                   1073: {
                   1074:
1.86      kristaps 1075:        if (SEC_SEE_ALSO != n->sec)
1.328     schwarze 1076:                return 1;
1.314     schwarze 1077:        if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1       kristaps 1078:                term_vspace(p);
1.328     schwarze 1079:        return 1;
1.1       kristaps 1080: }
                   1081:
                   1082: static int
                   1083: termp_ex_pre(DECL_ARGS)
                   1084: {
1.224     kristaps 1085:        term_newln(p);
1.341     schwarze 1086:        return 1;
1.1       kristaps 1087: }
                   1088:
                   1089: static int
                   1090: termp_nd_pre(DECL_ARGS)
                   1091: {
1.25      kristaps 1092:
1.314     schwarze 1093:        if (n->type == ROFFT_BODY)
1.297     schwarze 1094:                term_word(p, "\\(en");
1.328     schwarze 1095:        return 1;
1.115     kristaps 1096: }
                   1097:
                   1098: static int
                   1099: termp_bl_pre(DECL_ARGS)
                   1100: {
                   1101:
1.328     schwarze 1102:        return n->type != ROFFT_HEAD;
1.1       kristaps 1103: }
                   1104:
                   1105: static void
                   1106: termp_bl_post(DECL_ARGS)
                   1107: {
                   1108:
1.356     schwarze 1109:        if (n->type != ROFFT_BLOCK)
                   1110:                return;
                   1111:        term_newln(p);
                   1112:        if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
                   1113:                return;
                   1114:        term_tab_set(p, NULL);
                   1115:        term_tab_set(p, "T");
                   1116:        term_tab_set(p, ".5i");
1.1       kristaps 1117: }
                   1118:
                   1119: static int
                   1120: termp_xr_pre(DECL_ARGS)
                   1121: {
                   1122:
1.225     kristaps 1123:        if (NULL == (n = n->child))
1.328     schwarze 1124:                return 0;
1.113     kristaps 1125:
1.314     schwarze 1126:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1127:        term_word(p, n->string);
1.11      kristaps 1128:
1.264     schwarze 1129:        if (NULL == (n = n->next))
1.328     schwarze 1130:                return 0;
1.225     kristaps 1131:
1.1       kristaps 1132:        p->flags |= TERMP_NOSPACE;
                   1133:        term_word(p, "(");
1.222     kristaps 1134:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1135:
1.314     schwarze 1136:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1137:        term_word(p, n->string);
                   1138:
1.222     kristaps 1139:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1140:        term_word(p, ")");
1.86      kristaps 1141:
1.328     schwarze 1142:        return 0;
1.1       kristaps 1143: }
                   1144:
1.143     kristaps 1145: /*
                   1146:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1147:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1148:  * macro combos).
                   1149:  */
                   1150: static void
1.315     schwarze 1151: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143     kristaps 1152: {
1.264     schwarze 1153:        /*
1.143     kristaps 1154:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1155:         * exist, do nothing.
                   1156:         */
1.338     schwarze 1157:        if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143     kristaps 1158:                return;
                   1159:
                   1160:        /*
                   1161:         * If we're the second in a pair of like elements, emit our
                   1162:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1163:         * case we soldier on.
                   1164:         */
1.264     schwarze 1165:        if (n->prev->tok == n->tok &&
                   1166:            MDOC_Ft != n->tok &&
                   1167:            MDOC_Fo != n->tok &&
                   1168:            MDOC_Fn != n->tok) {
1.143     kristaps 1169:                term_newln(p);
                   1170:                return;
                   1171:        }
                   1172:
                   1173:        /*
                   1174:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1175:         * another (or Fn/Fo, which we've let slip through) then assert
                   1176:         * vertical space, else only newline and move on.
                   1177:         */
                   1178:        switch (n->prev->tok) {
1.264     schwarze 1179:        case MDOC_Fd:
                   1180:        case MDOC_Fn:
                   1181:        case MDOC_Fo:
                   1182:        case MDOC_In:
                   1183:        case MDOC_Vt:
1.143     kristaps 1184:                term_vspace(p);
                   1185:                break;
1.264     schwarze 1186:        case MDOC_Ft:
1.143     kristaps 1187:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1188:                        term_vspace(p);
                   1189:                        break;
                   1190:                }
                   1191:                /* FALLTHROUGH */
                   1192:        default:
                   1193:                term_newln(p);
                   1194:                break;
                   1195:        }
                   1196: }
                   1197:
1.110     kristaps 1198: static int
                   1199: termp_vt_pre(DECL_ARGS)
                   1200: {
                   1201:
1.314     schwarze 1202:        if (n->type == ROFFT_ELEM) {
1.143     kristaps 1203:                synopsis_pre(p, n);
1.328     schwarze 1204:                return termp_under_pre(p, pair, meta, n);
1.314     schwarze 1205:        } else if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1206:                synopsis_pre(p, n);
1.328     schwarze 1207:                return 1;
1.314     schwarze 1208:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1209:                return 0;
1.110     kristaps 1210:
1.328     schwarze 1211:        return termp_under_pre(p, pair, meta, n);
1.110     kristaps 1212: }
                   1213:
1.1       kristaps 1214: static int
1.69      kristaps 1215: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1216: {
                   1217:
1.320     schwarze 1218:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1219:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1220:        return 1;
1.1       kristaps 1221: }
                   1222:
1.143     kristaps 1223: static int
                   1224: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1225: {
                   1226:
1.143     kristaps 1227:        synopsis_pre(p, n);
1.328     schwarze 1228:        return termp_bold_pre(p, pair, meta, n);
1.1       kristaps 1229: }
                   1230:
1.241     schwarze 1231: static void
                   1232: termp_fd_post(DECL_ARGS)
                   1233: {
                   1234:
                   1235:        term_newln(p);
                   1236: }
                   1237:
1.1       kristaps 1238: static int
                   1239: termp_sh_pre(DECL_ARGS)
                   1240: {
1.85      kristaps 1241:
1.86      kristaps 1242:        switch (n->type) {
1.314     schwarze 1243:        case ROFFT_BLOCK:
1.293     schwarze 1244:                /*
                   1245:                 * Vertical space before sections, except
                   1246:                 * when the previous section was empty.
                   1247:                 */
                   1248:                if (n->prev == NULL ||
1.322     schwarze 1249:                    n->prev->tok != MDOC_Sh ||
1.293     schwarze 1250:                    (n->prev->body != NULL &&
                   1251:                     n->prev->body->child != NULL))
                   1252:                        term_vspace(p);
1.65      kristaps 1253:                break;
1.314     schwarze 1254:        case ROFFT_HEAD:
1.102     kristaps 1255:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1256:                break;
1.314     schwarze 1257:        case ROFFT_BODY:
1.362     schwarze 1258:                p->tcol->offset = term_len(p, p->defindent);
1.356     schwarze 1259:                term_tab_set(p, NULL);
                   1260:                term_tab_set(p, "T");
                   1261:                term_tab_set(p, ".5i");
1.322     schwarze 1262:                switch (n->sec) {
                   1263:                case SEC_DESCRIPTION:
                   1264:                        fn_prio = 0;
                   1265:                        break;
                   1266:                case SEC_AUTHORS:
1.239     schwarze 1267:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322     schwarze 1268:                        break;
                   1269:                default:
                   1270:                        break;
                   1271:                }
1.1       kristaps 1272:                break;
                   1273:        default:
                   1274:                break;
                   1275:        }
1.328     schwarze 1276:        return 1;
1.1       kristaps 1277: }
                   1278:
                   1279: static void
                   1280: termp_sh_post(DECL_ARGS)
                   1281: {
                   1282:
1.86      kristaps 1283:        switch (n->type) {
1.314     schwarze 1284:        case ROFFT_HEAD:
1.1       kristaps 1285:                term_newln(p);
                   1286:                break;
1.314     schwarze 1287:        case ROFFT_BODY:
1.1       kristaps 1288:                term_newln(p);
1.362     schwarze 1289:                p->tcol->offset = 0;
1.1       kristaps 1290:                break;
                   1291:        default:
                   1292:                break;
                   1293:        }
                   1294: }
                   1295:
                   1296: static void
                   1297: termp_lb_post(DECL_ARGS)
                   1298: {
                   1299:
1.338     schwarze 1300:        if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81      kristaps 1301:                term_newln(p);
1.1       kristaps 1302: }
                   1303:
                   1304: static int
                   1305: termp_d1_pre(DECL_ARGS)
                   1306: {
                   1307:
1.314     schwarze 1308:        if (n->type != ROFFT_BLOCK)
1.328     schwarze 1309:                return 1;
1.1       kristaps 1310:        term_newln(p);
1.362     schwarze 1311:        p->tcol->offset += term_len(p, p->defindent + 1);
1.356     schwarze 1312:        term_tab_set(p, NULL);
                   1313:        term_tab_set(p, "T");
                   1314:        term_tab_set(p, ".5i");
1.328     schwarze 1315:        return 1;
1.1       kristaps 1316: }
                   1317:
                   1318: static int
                   1319: termp_ft_pre(DECL_ARGS)
                   1320: {
                   1321:
1.338     schwarze 1322:        /* NB: NODE_LINE does not effect this! */
1.143     kristaps 1323:        synopsis_pre(p, n);
1.102     kristaps 1324:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1325:        return 1;
1.1       kristaps 1326: }
                   1327:
                   1328: static int
                   1329: termp_fn_pre(DECL_ARGS)
                   1330: {
1.257     schwarze 1331:        size_t           rmargin = 0;
1.226     kristaps 1332:        int              pretty;
                   1333:
1.338     schwarze 1334:        pretty = NODE_SYNPRETTY & n->flags;
1.1       kristaps 1335:
1.143     kristaps 1336:        synopsis_pre(p, n);
1.139     kristaps 1337:
1.226     kristaps 1338:        if (NULL == (n = n->child))
1.328     schwarze 1339:                return 0;
1.226     kristaps 1340:
1.251     schwarze 1341:        if (pretty) {
1.362     schwarze 1342:                rmargin = p->tcol->rmargin;
                   1343:                p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263     schwarze 1344:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1345:        }
                   1346:
1.314     schwarze 1347:        assert(n->type == ROFFT_TEXT);
1.102     kristaps 1348:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1349:        term_word(p, n->string);
1.102     kristaps 1350:        term_fontpop(p);
1.1       kristaps 1351:
1.336     schwarze 1352:        if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324     schwarze 1353:                tag_put(n->string, ++fn_prio, p->line);
1.322     schwarze 1354:
1.251     schwarze 1355:        if (pretty) {
                   1356:                term_flushln(p);
1.263     schwarze 1357:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.360     schwarze 1358:                p->flags |= TERMP_NOPAD;
1.362     schwarze 1359:                p->tcol->offset = p->tcol->rmargin;
                   1360:                p->tcol->rmargin = rmargin;
1.251     schwarze 1361:        }
                   1362:
1.1       kristaps 1363:        p->flags |= TERMP_NOSPACE;
                   1364:        term_word(p, "(");
1.222     kristaps 1365:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1366:
1.226     kristaps 1367:        for (n = n->next; n; n = n->next) {
1.314     schwarze 1368:                assert(n->type == ROFFT_TEXT);
1.102     kristaps 1369:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1370:                if (pretty)
                   1371:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1372:                term_word(p, n->string);
1.102     kristaps 1373:                term_fontpop(p);
                   1374:
1.226     kristaps 1375:                if (n->next) {
1.222     kristaps 1376:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1377:                        term_word(p, ",");
1.222     kristaps 1378:                }
1.1       kristaps 1379:        }
                   1380:
1.222     kristaps 1381:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1382:        term_word(p, ")");
                   1383:
1.226     kristaps 1384:        if (pretty) {
1.222     kristaps 1385:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1386:                term_word(p, ";");
1.251     schwarze 1387:                term_flushln(p);
1.222     kristaps 1388:        }
1.1       kristaps 1389:
1.328     schwarze 1390:        return 0;
1.1       kristaps 1391: }
                   1392:
                   1393: static int
                   1394: termp_fa_pre(DECL_ARGS)
                   1395: {
1.315     schwarze 1396:        const struct roff_node  *nn;
1.1       kristaps 1397:
1.86      kristaps 1398:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1399:                term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1400:                return 1;
1.1       kristaps 1401:        }
                   1402:
1.86      kristaps 1403:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1404:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1405:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1406:                term_word(p, nn->string);
1.102     kristaps 1407:                term_fontpop(p);
                   1408:
1.256     schwarze 1409:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1410:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1411:                        term_word(p, ",");
1.222     kristaps 1412:                }
1.1       kristaps 1413:        }
                   1414:
1.328     schwarze 1415:        return 0;
1.1       kristaps 1416: }
                   1417:
                   1418: static int
                   1419: termp_bd_pre(DECL_ARGS)
                   1420: {
1.361     schwarze 1421:        size_t                   lm, len;
1.315     schwarze 1422:        struct roff_node        *nn;
1.302     schwarze 1423:        int                      offset;
1.1       kristaps 1424:
1.314     schwarze 1425:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps 1426:                print_bvspace(p, n, n);
1.328     schwarze 1427:                return 1;
1.314     schwarze 1428:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1429:                return 0;
1.1       kristaps 1430:
1.288     schwarze 1431:        /* Handle the -offset argument. */
                   1432:
                   1433:        if (n->norm->Bd.offs == NULL ||
                   1434:            ! strcmp(n->norm->Bd.offs, "left"))
                   1435:                /* nothing */;
                   1436:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.362     schwarze 1437:                p->tcol->offset += term_len(p, p->defindent + 1);
1.288     schwarze 1438:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.362     schwarze 1439:                p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1440:        else {
                   1441:                offset = a2width(p, n->norm->Bd.offs);
1.362     schwarze 1442:                if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
                   1443:                        p->tcol->offset = 0;
1.302     schwarze 1444:                else if (offset < SHRT_MAX)
1.362     schwarze 1445:                        p->tcol->offset += offset;
1.302     schwarze 1446:        }
1.85      kristaps 1447:
                   1448:        /*
                   1449:         * If -ragged or -filled are specified, the block does nothing
                   1450:         * but change the indentation.  If -unfilled or -literal are
                   1451:         * specified, text is printed exactly as entered in the display:
                   1452:         * for macro lines, a newline is appended to the line.  Blank
                   1453:         * lines are allowed.
                   1454:         */
1.264     schwarze 1455:
1.362     schwarze 1456:        if (n->norm->Bd.type != DISP_literal &&
                   1457:            n->norm->Bd.type != DISP_unfilled &&
                   1458:            n->norm->Bd.type != DISP_centered)
1.328     schwarze 1459:                return 1;
1.1       kristaps 1460:
1.356     schwarze 1461:        if (n->norm->Bd.type == DISP_literal) {
                   1462:                term_tab_set(p, NULL);
                   1463:                term_tab_set(p, "T");
                   1464:                term_tab_set(p, "8n");
                   1465:        }
1.208     kristaps 1466:
1.362     schwarze 1467:        lm = p->tcol->offset;
1.361     schwarze 1468:        p->flags |= TERMP_BRNEVER;
1.362     schwarze 1469:        for (nn = n->child; nn != NULL; nn = nn->next) {
                   1470:                if (n->norm->Bd.type == DISP_centered) {
1.314     schwarze 1471:                        if (nn->type == ROFFT_TEXT) {
1.272     schwarze 1472:                                len = term_strlen(p, nn->string);
1.362     schwarze 1473:                                p->tcol->offset = len >= p->tcol->rmargin ?
                   1474:                                    0 : lm + len >= p->tcol->rmargin ?
                   1475:                                    p->tcol->rmargin - len :
                   1476:                                    (lm + p->tcol->rmargin - len) / 2;
1.272     schwarze 1477:                        } else
1.362     schwarze 1478:                                p->tcol->offset = lm;
1.272     schwarze 1479:                }
1.245     schwarze 1480:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1481:                /*
                   1482:                 * If the printed node flushes its own line, then we
                   1483:                 * needn't do it here as well.  This is hacky, but the
                   1484:                 * notion of selective eoln whitespace is pretty dumb
                   1485:                 * anyway, so don't sweat it.
                   1486:                 */
1.356     schwarze 1487:                if (nn->tok < ROFF_MAX)
                   1488:                        continue;
1.190     kristaps 1489:                switch (nn->tok) {
1.264     schwarze 1490:                case MDOC_Sm:
                   1491:                case MDOC_Bl:
                   1492:                case MDOC_D1:
                   1493:                case MDOC_Dl:
                   1494:                case MDOC_Pp:
1.190     kristaps 1495:                        continue;
                   1496:                default:
                   1497:                        break;
                   1498:                }
1.299     schwarze 1499:                if (p->flags & TERMP_NONEWLINE ||
1.338     schwarze 1500:                    (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180     schwarze 1501:                        continue;
                   1502:                term_flushln(p);
                   1503:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1504:        }
1.361     schwarze 1505:        p->flags &= ~TERMP_BRNEVER;
1.328     schwarze 1506:        return 0;
1.1       kristaps 1507: }
                   1508:
                   1509: static void
                   1510: termp_bd_post(DECL_ARGS)
                   1511: {
1.314     schwarze 1512:        if (n->type != ROFFT_BODY)
1.1       kristaps 1513:                return;
1.264     schwarze 1514:        if (DISP_literal == n->norm->Bd.type ||
                   1515:            DISP_unfilled == n->norm->Bd.type)
1.361     schwarze 1516:                p->flags |= TERMP_BRNEVER;
1.60      kristaps 1517:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1518:        term_newln(p);
1.361     schwarze 1519:        p->flags &= ~TERMP_BRNEVER;
1.1       kristaps 1520: }
                   1521:
                   1522: static int
1.26      kristaps 1523: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1524: {
1.339     schwarze 1525:        if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
                   1526:                p->flags |= TERMP_PREKEEP;
                   1527:        return 1;
                   1528: }
1.1       kristaps 1529:
1.339     schwarze 1530: static void
                   1531: termp_xx_post(DECL_ARGS)
                   1532: {
                   1533:        if (n->aux == 0)
                   1534:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1       kristaps 1535: }
                   1536:
                   1537: static void
                   1538: termp_pf_post(DECL_ARGS)
                   1539: {
                   1540:
1.338     schwarze 1541:        if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298     schwarze 1542:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1543: }
                   1544:
                   1545: static int
                   1546: termp_ss_pre(DECL_ARGS)
                   1547: {
1.337     schwarze 1548:        struct roff_node *nn;
1.1       kristaps 1549:
1.86      kristaps 1550:        switch (n->type) {
1.314     schwarze 1551:        case ROFFT_BLOCK:
1.1       kristaps 1552:                term_newln(p);
1.337     schwarze 1553:                for (nn = n->prev; nn != NULL; nn = nn->prev)
1.367     schwarze 1554:                        if (nn->type != ROFFT_COMMENT &&
                   1555:                            (nn->flags & NODE_NOPRT) == 0)
1.337     schwarze 1556:                                break;
                   1557:                if (nn != NULL)
1.1       kristaps 1558:                        term_vspace(p);
                   1559:                break;
1.314     schwarze 1560:        case ROFFT_HEAD:
1.102     kristaps 1561:                term_fontpush(p, TERMFONT_BOLD);
1.362     schwarze 1562:                p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1563:                break;
1.314     schwarze 1564:        case ROFFT_BODY:
1.362     schwarze 1565:                p->tcol->offset = term_len(p, p->defindent);
1.356     schwarze 1566:                term_tab_set(p, NULL);
                   1567:                term_tab_set(p, "T");
                   1568:                term_tab_set(p, ".5i");
1.274     schwarze 1569:                break;
1.1       kristaps 1570:        default:
                   1571:                break;
                   1572:        }
                   1573:
1.328     schwarze 1574:        return 1;
1.1       kristaps 1575: }
                   1576:
                   1577: static void
                   1578: termp_ss_post(DECL_ARGS)
                   1579: {
                   1580:
1.314     schwarze 1581:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1582:                term_newln(p);
                   1583: }
                   1584:
                   1585: static int
                   1586: termp_cd_pre(DECL_ARGS)
                   1587: {
                   1588:
1.143     kristaps 1589:        synopsis_pre(p, n);
1.102     kristaps 1590:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1591:        return 1;
1.1       kristaps 1592: }
                   1593:
                   1594: static int
                   1595: termp_in_pre(DECL_ARGS)
                   1596: {
1.142     schwarze 1597:
1.143     kristaps 1598:        synopsis_pre(p, n);
1.1       kristaps 1599:
1.338     schwarze 1600:        if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138     kristaps 1601:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1602:                term_word(p, "#include");
1.138     kristaps 1603:                term_word(p, "<");
                   1604:        } else {
                   1605:                term_word(p, "<");
                   1606:                term_fontpush(p, TERMFONT_UNDER);
                   1607:        }
1.22      kristaps 1608:
1.1       kristaps 1609:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1610:        return 1;
1.1       kristaps 1611: }
                   1612:
                   1613: static void
                   1614: termp_in_post(DECL_ARGS)
                   1615: {
                   1616:
1.338     schwarze 1617:        if (NODE_SYNPRETTY & n->flags)
1.138     kristaps 1618:                term_fontpush(p, TERMFONT_BOLD);
                   1619:
1.79      kristaps 1620:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1621:        term_word(p, ">");
                   1622:
1.338     schwarze 1623:        if (NODE_SYNPRETTY & n->flags)
1.138     kristaps 1624:                term_fontpop(p);
1.1       kristaps 1625: }
                   1626:
                   1627: static int
1.355     schwarze 1628: termp_pp_pre(DECL_ARGS)
1.45      kristaps 1629: {
1.355     schwarze 1630:        fn_prio = 0;
                   1631:        term_vspace(p);
1.328     schwarze 1632:        return 0;
1.45      kristaps 1633: }
                   1634:
                   1635: static int
1.294     schwarze 1636: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1637: {
                   1638:
1.328     schwarze 1639:        return 0;
1.268     schwarze 1640: }
                   1641:
                   1642: static int
1.188     kristaps 1643: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1644: {
                   1645:
1.314     schwarze 1646:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328     schwarze 1647:                return 1;
1.1       kristaps 1648:
1.188     kristaps 1649:        switch (n->tok) {
1.264     schwarze 1650:        case MDOC_Ao:
                   1651:        case MDOC_Aq:
1.331     schwarze 1652:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1653:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1654:                break;
1.264     schwarze 1655:        case MDOC_Bro:
                   1656:        case MDOC_Brq:
1.188     kristaps 1657:                term_word(p, "{");
                   1658:                break;
1.264     schwarze 1659:        case MDOC_Oo:
                   1660:        case MDOC_Op:
                   1661:        case MDOC_Bo:
                   1662:        case MDOC_Bq:
1.188     kristaps 1663:                term_word(p, "[");
                   1664:                break;
1.346     schwarze 1665:        case MDOC__T:
                   1666:                /* FALLTHROUGH */
1.264     schwarze 1667:        case MDOC_Do:
                   1668:        case MDOC_Dq:
1.366     schwarze 1669:                term_word(p, "\\(lq");
1.188     kristaps 1670:                break;
1.268     schwarze 1671:        case MDOC_En:
                   1672:                if (NULL == n->norm->Es ||
                   1673:                    NULL == n->norm->Es->child)
1.328     schwarze 1674:                        return 1;
1.268     schwarze 1675:                term_word(p, n->norm->Es->child->string);
                   1676:                break;
1.264     schwarze 1677:        case MDOC_Po:
                   1678:        case MDOC_Pq:
1.188     kristaps 1679:                term_word(p, "(");
                   1680:                break;
1.264     schwarze 1681:        case MDOC_Qo:
                   1682:        case MDOC_Qq:
1.188     kristaps 1683:                term_word(p, "\"");
                   1684:                break;
1.264     schwarze 1685:        case MDOC_Ql:
                   1686:        case MDOC_So:
                   1687:        case MDOC_Sq:
1.249     schwarze 1688:                term_word(p, "\\(oq");
1.188     kristaps 1689:                break;
                   1690:        default:
                   1691:                abort();
                   1692:        }
1.1       kristaps 1693:
                   1694:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1695:        return 1;
1.1       kristaps 1696: }
                   1697:
                   1698: static void
1.188     kristaps 1699: termp_quote_post(DECL_ARGS)
1.1       kristaps 1700: {
                   1701:
1.314     schwarze 1702:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1703:                return;
                   1704:
1.306     schwarze 1705:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1706:
1.188     kristaps 1707:        switch (n->tok) {
1.264     schwarze 1708:        case MDOC_Ao:
                   1709:        case MDOC_Aq:
1.331     schwarze 1710:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1711:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1712:                break;
1.264     schwarze 1713:        case MDOC_Bro:
                   1714:        case MDOC_Brq:
1.188     kristaps 1715:                term_word(p, "}");
                   1716:                break;
1.264     schwarze 1717:        case MDOC_Oo:
                   1718:        case MDOC_Op:
                   1719:        case MDOC_Bo:
                   1720:        case MDOC_Bq:
1.188     kristaps 1721:                term_word(p, "]");
                   1722:                break;
1.346     schwarze 1723:        case MDOC__T:
                   1724:                /* FALLTHROUGH */
1.264     schwarze 1725:        case MDOC_Do:
                   1726:        case MDOC_Dq:
1.366     schwarze 1727:                term_word(p, "\\(rq");
1.268     schwarze 1728:                break;
                   1729:        case MDOC_En:
1.306     schwarze 1730:                if (n->norm->Es == NULL ||
                   1731:                    n->norm->Es->child == NULL ||
                   1732:                    n->norm->Es->child->next == NULL)
                   1733:                        p->flags &= ~TERMP_NOSPACE;
                   1734:                else
1.268     schwarze 1735:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1736:                break;
1.264     schwarze 1737:        case MDOC_Po:
                   1738:        case MDOC_Pq:
1.188     kristaps 1739:                term_word(p, ")");
                   1740:                break;
1.264     schwarze 1741:        case MDOC_Qo:
                   1742:        case MDOC_Qq:
1.188     kristaps 1743:                term_word(p, "\"");
                   1744:                break;
1.264     schwarze 1745:        case MDOC_Ql:
                   1746:        case MDOC_So:
                   1747:        case MDOC_Sq:
1.249     schwarze 1748:                term_word(p, "\\(cq");
1.188     kristaps 1749:                break;
                   1750:        default:
                   1751:                abort();
                   1752:        }
1.306     schwarze 1753: }
                   1754:
                   1755: static int
                   1756: termp_eo_pre(DECL_ARGS)
                   1757: {
                   1758:
1.314     schwarze 1759:        if (n->type != ROFFT_BODY)
1.328     schwarze 1760:                return 1;
1.306     schwarze 1761:
                   1762:        if (n->end == ENDBODY_NOT &&
                   1763:            n->parent->head->child == NULL &&
                   1764:            n->child != NULL &&
                   1765:            n->child->end != ENDBODY_NOT)
                   1766:                term_word(p, "\\&");
                   1767:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1768:             n->parent->head->child != NULL && (n->child != NULL ||
                   1769:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 1770:                p->flags |= TERMP_NOSPACE;
                   1771:
1.328     schwarze 1772:        return 1;
1.306     schwarze 1773: }
                   1774:
                   1775: static void
                   1776: termp_eo_post(DECL_ARGS)
                   1777: {
                   1778:        int      body, tail;
                   1779:
1.314     schwarze 1780:        if (n->type != ROFFT_BODY)
1.306     schwarze 1781:                return;
                   1782:
                   1783:        if (n->end != ENDBODY_NOT) {
                   1784:                p->flags &= ~TERMP_NOSPACE;
                   1785:                return;
                   1786:        }
                   1787:
                   1788:        body = n->child != NULL || n->parent->head->child != NULL;
                   1789:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1790:
                   1791:        if (body && tail)
                   1792:                p->flags |= TERMP_NOSPACE;
                   1793:        else if ( ! (body || tail))
                   1794:                term_word(p, "\\&");
                   1795:        else if ( ! tail)
                   1796:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1797: }
                   1798:
                   1799: static int
                   1800: termp_fo_pre(DECL_ARGS)
                   1801: {
1.257     schwarze 1802:        size_t           rmargin = 0;
1.256     schwarze 1803:        int              pretty;
                   1804:
1.338     schwarze 1805:        pretty = NODE_SYNPRETTY & n->flags;
1.1       kristaps 1806:
1.314     schwarze 1807:        if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1808:                synopsis_pre(p, n);
1.328     schwarze 1809:                return 1;
1.314     schwarze 1810:        } else if (n->type == ROFFT_BODY) {
1.256     schwarze 1811:                if (pretty) {
1.362     schwarze 1812:                        rmargin = p->tcol->rmargin;
                   1813:                        p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263     schwarze 1814:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   1815:                                        TERMP_HANG;
1.256     schwarze 1816:                }
1.33      kristaps 1817:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1818:                term_word(p, "(");
1.222     kristaps 1819:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 1820:                if (pretty) {
                   1821:                        term_flushln(p);
1.263     schwarze 1822:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   1823:                                        TERMP_HANG);
1.360     schwarze 1824:                        p->flags |= TERMP_NOPAD;
1.362     schwarze 1825:                        p->tcol->offset = p->tcol->rmargin;
                   1826:                        p->tcol->rmargin = rmargin;
1.256     schwarze 1827:                }
1.328     schwarze 1828:                return 1;
1.256     schwarze 1829:        }
1.141     kristaps 1830:
1.169     kristaps 1831:        if (NULL == n->child)
1.328     schwarze 1832:                return 0;
1.169     kristaps 1833:
1.141     kristaps 1834:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 1835:
1.141     kristaps 1836:        assert(n->child->string);
1.102     kristaps 1837:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 1838:        term_word(p, n->child->string);
1.328     schwarze 1839:        return 0;
1.1       kristaps 1840: }
                   1841:
                   1842: static void
                   1843: termp_fo_post(DECL_ARGS)
                   1844: {
                   1845:
1.314     schwarze 1846:        if (n->type != ROFFT_BODY)
1.143     kristaps 1847:                return;
                   1848:
1.222     kristaps 1849:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 1850:        term_word(p, ")");
                   1851:
1.338     schwarze 1852:        if (NODE_SYNPRETTY & n->flags) {
1.222     kristaps 1853:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 1854:                term_word(p, ";");
1.256     schwarze 1855:                term_flushln(p);
1.222     kristaps 1856:        }
1.1       kristaps 1857: }
                   1858:
                   1859: static int
                   1860: termp_bf_pre(DECL_ARGS)
                   1861: {
                   1862:
1.314     schwarze 1863:        if (n->type == ROFFT_HEAD)
1.328     schwarze 1864:                return 0;
1.314     schwarze 1865:        else if (n->type != ROFFT_BODY)
1.328     schwarze 1866:                return 1;
1.1       kristaps 1867:
1.264     schwarze 1868:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 1869:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 1870:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 1871:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 1872:        else
1.102     kristaps 1873:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 1874:
1.328     schwarze 1875:        return 1;
1.1       kristaps 1876: }
                   1877:
                   1878: static int
                   1879: termp_sm_pre(DECL_ARGS)
                   1880: {
                   1881:
1.269     schwarze 1882:        if (NULL == n->child)
                   1883:                p->flags ^= TERMP_NONOSPACE;
                   1884:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 1885:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 1886:        else
1.1       kristaps 1887:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 1888:
                   1889:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   1890:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1891:
1.328     schwarze 1892:        return 0;
1.1       kristaps 1893: }
                   1894:
                   1895: static int
                   1896: termp_ap_pre(DECL_ARGS)
                   1897: {
                   1898:
                   1899:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 1900:        term_word(p, "'");
1.1       kristaps 1901:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1902:        return 1;
1.1       kristaps 1903: }
                   1904:
                   1905: static void
                   1906: termp____post(DECL_ARGS)
                   1907: {
1.184     kristaps 1908:
                   1909:        /*
                   1910:         * Handle lists of authors.  In general, print each followed by
                   1911:         * a comma.  Don't print the comma if there are only two
                   1912:         * authors.
                   1913:         */
                   1914:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   1915:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   1916:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   1917:                                return;
1.1       kristaps 1918:
1.95      kristaps 1919:        /* TODO: %U. */
                   1920:
1.187     kristaps 1921:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   1922:                return;
                   1923:
1.222     kristaps 1924:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 1925:        if (NULL == n->next) {
                   1926:                term_word(p, ".");
                   1927:                p->flags |= TERMP_SENTENCE;
                   1928:        } else
                   1929:                term_word(p, ",");
1.1       kristaps 1930: }
                   1931:
                   1932: static int
1.102     kristaps 1933: termp_li_pre(DECL_ARGS)
                   1934: {
                   1935:
1.335     schwarze 1936:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1937:        term_fontpush(p, TERMFONT_NONE);
1.328     schwarze 1938:        return 1;
1.102     kristaps 1939: }
                   1940:
                   1941: static int
1.1       kristaps 1942: termp_lk_pre(DECL_ARGS)
                   1943: {
1.358     schwarze 1944:        const struct roff_node *link, *descr, *punct;
1.1       kristaps 1945:
1.349     schwarze 1946:        if ((link = n->child) == NULL)
1.328     schwarze 1947:                return 0;
1.181     kristaps 1948:
1.358     schwarze 1949:        /* Find beginning of trailing punctuation. */
                   1950:        punct = n->last;
                   1951:        while (punct != link && punct->flags & NODE_DELIMC)
                   1952:                punct = punct->prev;
                   1953:        punct = punct->next;
                   1954:
1.349     schwarze 1955:        /* Link text. */
1.358     schwarze 1956:        if ((descr = link->next) != NULL && descr != punct) {
1.240     schwarze 1957:                term_fontpush(p, TERMFONT_UNDER);
1.358     schwarze 1958:                while (descr != punct) {
                   1959:                        if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
                   1960:                                p->flags |= TERMP_NOSPACE;
1.240     schwarze 1961:                        term_word(p, descr->string);
                   1962:                        descr = descr->next;
                   1963:                }
1.347     schwarze 1964:                term_fontpop(p);
1.240     schwarze 1965:                p->flags |= TERMP_NOSPACE;
                   1966:                term_word(p, ":");
                   1967:        }
1.1       kristaps 1968:
1.349     schwarze 1969:        /* Link target. */
1.102     kristaps 1970:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 1971:        term_word(p, link->string);
1.102     kristaps 1972:        term_fontpop(p);
1.348     schwarze 1973:
1.349     schwarze 1974:        /* Trailing punctuation. */
1.358     schwarze 1975:        while (punct != NULL) {
1.349     schwarze 1976:                p->flags |= TERMP_NOSPACE;
1.358     schwarze 1977:                term_word(p, punct->string);
                   1978:                punct = punct->next;
1.349     schwarze 1979:        }
1.328     schwarze 1980:        return 0;
1.1       kristaps 1981: }
                   1982:
1.159     schwarze 1983: static int
                   1984: termp_bk_pre(DECL_ARGS)
                   1985: {
                   1986:
1.161     schwarze 1987:        switch (n->type) {
1.314     schwarze 1988:        case ROFFT_BLOCK:
1.166     kristaps 1989:                break;
1.314     schwarze 1990:        case ROFFT_HEAD:
1.328     schwarze 1991:                return 0;
1.314     schwarze 1992:        case ROFFT_BODY:
1.331     schwarze 1993:                if (n->parent->args != NULL || n->prev->child == NULL)
1.200     schwarze 1994:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 1995:                break;
1.161     schwarze 1996:        default:
                   1997:                abort();
                   1998:        }
1.166     kristaps 1999:
1.328     schwarze 2000:        return 1;
1.159     schwarze 2001: }
                   2002:
                   2003: static void
                   2004: termp_bk_post(DECL_ARGS)
                   2005: {
                   2006:
1.314     schwarze 2007:        if (n->type == ROFFT_BODY)
1.161     schwarze 2008:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2009: }
                   2010:
                   2011: static void
                   2012: termp__t_post(DECL_ARGS)
                   2013: {
                   2014:
                   2015:        /*
                   2016:         * If we're in an `Rs' and there's a journal present, then quote
                   2017:         * us instead of underlining us (for disambiguation).
                   2018:         */
1.217     schwarze 2019:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2020:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2021:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2022:
1.245     schwarze 2023:        termp____post(p, pair, meta, n);
1.203     kristaps 2024: }
                   2025:
                   2026: static int
                   2027: termp__t_pre(DECL_ARGS)
                   2028: {
                   2029:
                   2030:        /*
                   2031:         * If we're in an `Rs' and there's a journal present, then quote
                   2032:         * us instead of underlining us (for disambiguation).
                   2033:         */
                   2034:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2035:            n->parent->norm->Rs.quote_T)
1.328     schwarze 2036:                return termp_quote_pre(p, pair, meta, n);
1.203     kristaps 2037:
                   2038:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 2039:        return 1;
1.159     schwarze 2040: }
1.1       kristaps 2041:
                   2042: static int
1.69      kristaps 2043: termp_under_pre(DECL_ARGS)
1.1       kristaps 2044: {
                   2045:
1.102     kristaps 2046:        term_fontpush(p, TERMFONT_UNDER);
1.334     schwarze 2047:        return 1;
                   2048: }
                   2049:
                   2050: static int
                   2051: termp_em_pre(DECL_ARGS)
                   2052: {
                   2053:        if (n->child != NULL &&
                   2054:            n->child->type == ROFFT_TEXT)
                   2055:                tag_put(n->child->string, 0, p->line);
                   2056:        term_fontpush(p, TERMFONT_UNDER);
                   2057:        return 1;
                   2058: }
                   2059:
                   2060: static int
                   2061: termp_sy_pre(DECL_ARGS)
                   2062: {
                   2063:        if (n->child != NULL &&
                   2064:            n->child->type == ROFFT_TEXT)
                   2065:                tag_put(n->child->string, 0, p->line);
                   2066:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 2067:        return 1;
1.323     schwarze 2068: }
                   2069:
                   2070: static int
                   2071: termp_er_pre(DECL_ARGS)
                   2072: {
                   2073:
                   2074:        if (n->sec == SEC_ERRORS &&
                   2075:            (n->parent->tok == MDOC_It ||
                   2076:             (n->parent->tok == MDOC_Bq &&
1.324     schwarze 2077:              n->parent->parent->parent->tok == MDOC_It)))
                   2078:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2079:        return 1;
1.320     schwarze 2080: }
                   2081:
                   2082: static int
                   2083: termp_tag_pre(DECL_ARGS)
                   2084: {
                   2085:
                   2086:        if (n->child != NULL &&
                   2087:            n->child->type == ROFFT_TEXT &&
1.333     schwarze 2088:            (n->prev == NULL ||
                   2089:             (n->prev->type == ROFFT_TEXT &&
                   2090:              strcmp(n->prev->string, "|") == 0)) &&
1.320     schwarze 2091:            (n->parent->tok == MDOC_It ||
                   2092:             (n->parent->tok == MDOC_Xo &&
                   2093:              n->parent->parent->prev == NULL &&
1.324     schwarze 2094:              n->parent->parent->parent->tok == MDOC_It)))
                   2095:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2096:        return 1;
1.369     schwarze 2097: }
                   2098:
                   2099: static int
                   2100: termp_abort_pre(DECL_ARGS)
                   2101: {
                   2102:        abort();
1.84      kristaps 2103: }

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