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Annotation of mandoc/mdoc_term.c, Revision 1.352

1.352   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.351 2017/05/04 17:48:29 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.339     schwarze    4:  * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
1.256     schwarze    5:  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1       kristaps    6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps   10:  *
1.314     schwarze   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6       kristaps   12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314     schwarze   13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6       kristaps   14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     16:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     17:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   18:  */
1.107     kristaps   19: #include "config.h"
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.302     schwarze   25: #include <limits.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.314     schwarze   31: #include "mandoc_aux.h"
1.125     kristaps   32: #include "mandoc.h"
1.314     schwarze   33: #include "roff.h"
                     34: #include "mdoc.h"
1.92      kristaps   35: #include "out.h"
1.1       kristaps   36: #include "term.h"
1.320     schwarze   37: #include "tag.h"
1.89      kristaps   38: #include "main.h"
1.1       kristaps   39:
                     40: struct termpair {
                     41:        struct termpair  *ppair;
1.31      kristaps   42:        int               count;
1.1       kristaps   43: };
                     44:
1.31      kristaps   45: #define        DECL_ARGS struct termp *p, \
                     46:                  struct termpair *pair, \
1.316     schwarze   47:                  const struct roff_meta *meta, \
1.315     schwarze   48:                  struct roff_node *n
1.1       kristaps   49:
                     50: struct termact {
                     51:        int     (*pre)(DECL_ARGS);
                     52:        void    (*post)(DECL_ARGS);
                     53: };
                     54:
1.302     schwarze   55: static int       a2width(const struct termp *, const char *);
1.96      kristaps   56:
                     57: static void      print_bvspace(struct termp *,
1.315     schwarze   58:                        const struct roff_node *,
                     59:                        const struct roff_node *);
1.264     schwarze   60: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   61: static void      print_mdoc_nodelist(DECL_ARGS);
1.316     schwarze   62: static void      print_mdoc_head(struct termp *, const struct roff_meta *);
                     63: static void      print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264     schwarze   64: static void      synopsis_pre(struct termp *,
1.315     schwarze   65:                        const struct roff_node *);
1.96      kristaps   66:
1.31      kristaps   67: static void      termp____post(DECL_ARGS);
1.203     kristaps   68: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   69: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   70: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   71: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   72: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   73: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_fo_post(DECL_ARGS);
                     75: static void      termp_in_post(DECL_ARGS);
                     76: static void      termp_it_post(DECL_ARGS);
                     77: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   78: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   80: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   81: static void      termp_sh_post(DECL_ARGS);
                     82: static void      termp_ss_post(DECL_ARGS);
1.339     schwarze   83: static void      termp_xx_post(DECL_ARGS);
1.31      kristaps   84:
1.184     kristaps   85: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   86: static int       termp__t_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);
1.260     schwarze  109: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  110: static int       termp_lk_pre(DECL_ARGS);
                    111: static int       termp_nd_pre(DECL_ARGS);
                    112: static int       termp_nm_pre(DECL_ARGS);
                    113: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  114: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  115: static int       termp_rs_pre(DECL_ARGS);
                    116: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  117: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  118: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  119: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_ss_pre(DECL_ARGS);
1.334     schwarze  121: static int       termp_sy_pre(DECL_ARGS);
1.320     schwarze  122: static int       termp_tag_pre(DECL_ARGS);
1.69      kristaps  123: static int       termp_under_pre(DECL_ARGS);
1.110     kristaps  124: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  125: static int       termp_xr_pre(DECL_ARGS);
                    126: static int       termp_xx_pre(DECL_ARGS);
                    127:
1.350     schwarze  128: static const struct termact __termacts[MDOC_MAX - MDOC_Dd] = {
1.1       kristaps  129:        { NULL, NULL }, /* Dd */
                    130:        { NULL, NULL }, /* Dt */
                    131:        { NULL, NULL }, /* Os */
                    132:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  133:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    134:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  135:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    136:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  137:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    138:        { NULL, NULL }, /* Ed */
1.115     kristaps  139:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  140:        { NULL, NULL }, /* El */
                    141:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  142:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  143:        { termp_an_pre, NULL }, /* An */
1.350     schwarze  144:        { termp_ap_pre, NULL }, /* Ap */
1.69      kristaps  145:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  146:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  147:        { termp_bold_pre, NULL }, /* Cm */
1.325     schwarze  148:        { termp_li_pre, NULL }, /* Dv */
1.323     schwarze  149:        { termp_er_pre, NULL }, /* Er */
1.320     schwarze  150:        { termp_tag_pre, NULL }, /* Ev */
1.1       kristaps  151:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  152:        { termp_fa_pre, NULL }, /* Fa */
                    153:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  154:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  155:        { termp_fn_pre, NULL }, /* Fn */
                    156:        { termp_ft_pre, NULL }, /* Ft */
                    157:        { termp_bold_pre, NULL }, /* Ic */
                    158:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  159:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  160:        { termp_nd_pre, NULL }, /* Nd */
                    161:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  162:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  163:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  164:        { termp_under_pre, NULL }, /* Pa */
1.341     schwarze  165:        { termp_ex_pre, NULL }, /* Rv */
1.264     schwarze  166:        { NULL, NULL }, /* St */
1.69      kristaps  167:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  168:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  169:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  170:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  171:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  172:        { NULL, termp____post }, /* %D */
1.84      kristaps  173:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  174:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  175:        { NULL, termp____post }, /* %N */
                    176:        { NULL, termp____post }, /* %O */
                    177:        { NULL, termp____post }, /* %P */
                    178:        { NULL, termp____post }, /* %R */
1.203     kristaps  179:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  180:        { NULL, termp____post }, /* %V */
                    181:        { NULL, NULL }, /* Ac */
1.188     kristaps  182:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    183:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  184:        { NULL, NULL }, /* At */
1.1       kristaps  185:        { NULL, NULL }, /* Bc */
1.264     schwarze  186:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  187:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    188:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.339     schwarze  189:        { termp_xx_pre, termp_xx_post }, /* Bsx */
1.340     schwarze  190:        { NULL, NULL }, /* Bx */
1.294     schwarze  191:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  192:        { NULL, NULL }, /* Dc */
1.188     kristaps  193:        { termp_quote_pre, termp_quote_post }, /* Do */
                    194:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  195:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  196:        { NULL, NULL }, /* Ef */
1.334     schwarze  197:        { termp_em_pre, NULL }, /* Em */
1.306     schwarze  198:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.339     schwarze  199:        { termp_xx_pre, termp_xx_post }, /* Fx */
1.176     kristaps  200:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  201:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  202:        { termp_ns_pre, NULL }, /* Ns */
1.339     schwarze  203:        { termp_xx_pre, termp_xx_post }, /* Nx */
                    204:        { termp_xx_pre, termp_xx_post }, /* Ox */
1.1       kristaps  205:        { NULL, NULL }, /* Pc */
1.254     schwarze  206:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  207:        { termp_quote_pre, termp_quote_post }, /* Po */
                    208:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  209:        { NULL, NULL }, /* Qc */
1.188     kristaps  210:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    211:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    212:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  213:        { NULL, NULL }, /* Re */
                    214:        { termp_rs_pre, NULL }, /* Rs */
                    215:        { NULL, NULL }, /* Sc */
1.188     kristaps  216:        { termp_quote_pre, termp_quote_post }, /* So */
                    217:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  218:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  219:        { termp_under_pre, NULL }, /* Sx */
1.334     schwarze  220:        { termp_sy_pre, NULL }, /* Sy */
1.1       kristaps  221:        { NULL, NULL }, /* Tn */
1.339     schwarze  222:        { termp_xx_pre, termp_xx_post }, /* Ux */
1.1       kristaps  223:        { NULL, NULL }, /* Xc */
                    224:        { NULL, NULL }, /* Xo */
1.264     schwarze  225:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    226:        { NULL, NULL }, /* Fc */
1.188     kristaps  227:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  228:        { NULL, NULL }, /* Oc */
1.159     schwarze  229:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  230:        { NULL, NULL }, /* Ek */
1.341     schwarze  231:        { NULL, NULL }, /* Bt */
1.1       kristaps  232:        { NULL, NULL }, /* Hf */
1.268     schwarze  233:        { termp_under_pre, NULL }, /* Fr */
1.341     schwarze  234:        { NULL, NULL }, /* Ud */
1.37      kristaps  235:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  236:        { termp_sp_pre, NULL }, /* Lp */
                    237:        { termp_lk_pre, NULL }, /* Lk */
                    238:        { termp_under_pre, NULL }, /* Mt */
                    239:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    240:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    241:        { NULL, NULL }, /* Brc */
                    242:        { NULL, termp____post }, /* %C */
1.294     schwarze  243:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  244:        { termp_quote_pre, termp_quote_post }, /* En */
1.339     schwarze  245:        { termp_xx_pre, termp_xx_post }, /* Dx */
1.264     schwarze  246:        { NULL, termp____post }, /* %Q */
                    247:        { termp_sp_pre, NULL }, /* sp */
                    248:        { NULL, termp____post }, /* %U */
                    249:        { NULL, NULL }, /* Ta */
1.260     schwarze  250:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  251: };
1.350     schwarze  252: static const struct termact *const termacts = __termacts - MDOC_Dd;
1.1       kristaps  253:
1.322     schwarze  254: static int      fn_prio;
1.1       kristaps  255:
1.350     schwarze  256:
1.70      kristaps  257: void
1.318     schwarze  258: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1       kristaps  259: {
1.315     schwarze  260:        struct roff_node        *n;
1.89      kristaps  261:        struct termp            *p;
1.342     schwarze  262:        size_t                   save_defindent;
1.89      kristaps  263:
                    264:        p = (struct termp *)arg;
1.111     kristaps  265:        p->overstep = 0;
1.281     schwarze  266:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  267:        p->tabwidth = term_len(p, 5);
1.70      kristaps  268:
1.319     schwarze  269:        n = mdoc->first->child;
1.281     schwarze  270:        if (p->synopsisonly) {
                    271:                while (n != NULL) {
                    272:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    273:                                if (n->child->next->child != NULL)
                    274:                                        print_mdoc_nodelist(p, NULL,
1.319     schwarze  275:                                            &mdoc->meta,
                    276:                                            n->child->next->child);
1.281     schwarze  277:                                term_newln(p);
                    278:                                break;
                    279:                        }
                    280:                        n = n->next;
                    281:                }
                    282:        } else {
1.342     schwarze  283:                save_defindent = p->defindent;
1.281     schwarze  284:                if (p->defindent == 0)
                    285:                        p->defindent = 5;
1.319     schwarze  286:                term_begin(p, print_mdoc_head, print_mdoc_foot,
                    287:                    &mdoc->meta);
1.337     schwarze  288:                while (n != NULL && n->flags & NODE_NOPRT)
                    289:                        n = n->next;
1.281     schwarze  290:                if (n != NULL) {
                    291:                        if (n->tok != MDOC_Sh)
                    292:                                term_vspace(p);
1.319     schwarze  293:                        print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281     schwarze  294:                }
                    295:                term_end(p);
1.342     schwarze  296:                p->defindent = save_defindent;
1.271     schwarze  297:        }
1.1       kristaps  298: }
                    299:
1.3       kristaps  300: static void
1.102     kristaps  301: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  302: {
                    303:
1.304     schwarze  304:        while (n != NULL) {
                    305:                print_mdoc_node(p, pair, meta, n);
                    306:                n = n->next;
                    307:        }
1.1       kristaps  308: }
                    309:
1.3       kristaps  310: static void
1.102     kristaps  311: print_mdoc_node(DECL_ARGS)
1.1       kristaps  312: {
1.102     kristaps  313:        int              chld;
1.1       kristaps  314:        struct termpair  npair;
1.30      kristaps  315:        size_t           offset, rmargin;
1.1       kristaps  316:
1.337     schwarze  317:        if (n->flags & NODE_NOPRT)
                    318:                return;
                    319:
1.70      kristaps  320:        chld = 1;
1.29      kristaps  321:        offset = p->offset;
1.30      kristaps  322:        rmargin = p->rmargin;
1.338     schwarze  323:        n->flags &= ~NODE_ENDED;
1.305     schwarze  324:        n->prev_font = p->fonti;
1.29      kristaps  325:
1.97      kristaps  326:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  327:        npair.ppair = pair;
1.172     kristaps  328:
                    329:        /*
                    330:         * Keeps only work until the end of a line.  If a keep was
                    331:         * invoked in a prior line, revert it to PREKEEP.
                    332:         */
                    333:
1.338     schwarze  334:        if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307     schwarze  335:                p->flags &= ~TERMP_KEEP;
                    336:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  337:        }
1.197     schwarze  338:
                    339:        /*
1.217     schwarze  340:         * After the keep flags have been set up, we may now
                    341:         * produce output.  Note that some pre-handlers do so.
                    342:         */
                    343:
                    344:        switch (n->type) {
1.314     schwarze  345:        case ROFFT_TEXT:
1.338     schwarze  346:                if (' ' == *n->string && NODE_LINE & n->flags)
1.217     schwarze  347:                        term_newln(p);
1.338     schwarze  348:                if (NODE_DELIMC & n->flags)
1.222     kristaps  349:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  350:                term_word(p, n->string);
1.338     schwarze  351:                if (NODE_DELIMO & n->flags)
1.222     kristaps  352:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  353:                break;
1.314     schwarze  354:        case ROFFT_EQN:
1.338     schwarze  355:                if ( ! (n->flags & NODE_LINE))
1.284     schwarze  356:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  357:                term_eqn(p, n->eqn);
1.338     schwarze  358:                if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285     schwarze  359:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  360:                break;
1.314     schwarze  361:        case ROFFT_TBL:
1.313     schwarze  362:                if (p->tbl.cols == NULL)
                    363:                        term_newln(p);
1.217     schwarze  364:                term_tbl(p, n->span);
                    365:                break;
                    366:        default:
1.351     schwarze  367:                if (n->tok < ROFF_MAX) {
1.352   ! schwarze  368:                        roff_term_pre(p, n);
1.351     schwarze  369:                        break;
                    370:                }
                    371:                assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.350     schwarze  372:                if (termacts[n->tok].pre != NULL &&
1.331     schwarze  373:                    (n->end == ENDBODY_NOT || n->child != NULL))
1.217     schwarze  374:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  375:                                (p, &npair, meta, n);
1.217     schwarze  376:                break;
                    377:        }
                    378:
1.86      kristaps  379:        if (chld && n->child)
1.245     schwarze  380:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  381:
1.244     schwarze  382:        term_fontpopq(p,
1.310     schwarze  383:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  384:
1.206     kristaps  385:        switch (n->type) {
1.314     schwarze  386:        case ROFFT_TEXT:
1.206     kristaps  387:                break;
1.314     schwarze  388:        case ROFFT_TBL:
1.216     kristaps  389:                break;
1.314     schwarze  390:        case ROFFT_EQN:
1.206     kristaps  391:                break;
                    392:        default:
1.351     schwarze  393:                if (n->tok < ROFF_MAX ||
                    394:                    termacts[n->tok].post == NULL ||
                    395:                    n->flags & NODE_ENDED)
1.206     kristaps  396:                        break;
1.245     schwarze  397:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  398:
                    399:                /*
                    400:                 * Explicit end tokens not only call the post
                    401:                 * handler, but also tell the respective block
                    402:                 * that it must not call the post handler again.
                    403:                 */
1.165     kristaps  404:                if (ENDBODY_NOT != n->end)
1.338     schwarze  405:                        n->body->flags |= NODE_ENDED;
1.206     kristaps  406:                break;
1.162     schwarze  407:        }
1.121     kristaps  408:
1.338     schwarze  409:        if (NODE_EOS & n->flags)
1.121     kristaps  410:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  411:
1.260     schwarze  412:        if (MDOC_ll != n->tok) {
                    413:                p->offset = offset;
                    414:                p->rmargin = rmargin;
                    415:        }
1.1       kristaps  416: }
                    417:
1.3       kristaps  418: static void
1.316     schwarze  419: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  420: {
1.292     schwarze  421:        size_t sz;
1.144     kristaps  422:
1.102     kristaps  423:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  424:
1.264     schwarze  425:        /*
1.9       kristaps  426:         * Output the footer in new-groff style, that is, three columns
                    427:         * with the middle being the manual date and flanking columns
                    428:         * being the operating system:
                    429:         *
                    430:         * SYSTEM                  DATE                    SYSTEM
                    431:         */
                    432:
1.1       kristaps  433:        term_vspace(p);
                    434:
1.9       kristaps  435:        p->offset = 0;
1.292     schwarze  436:        sz = term_strlen(p, meta->date);
                    437:        p->rmargin = p->maxrmargin > sz ?
                    438:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  439:        p->trailspace = 1;
1.1       kristaps  440:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    441:
1.245     schwarze  442:        term_word(p, meta->os);
1.1       kristaps  443:        term_flushln(p);
                    444:
1.9       kristaps  445:        p->offset = p->rmargin;
1.292     schwarze  446:        sz = term_strlen(p, meta->os);
                    447:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  448:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  449:
1.245     schwarze  450:        term_word(p, meta->date);
1.9       kristaps  451:        term_flushln(p);
                    452:
1.1       kristaps  453:        p->offset = p->rmargin;
                    454:        p->rmargin = p->maxrmargin;
1.250     schwarze  455:        p->trailspace = 0;
1.1       kristaps  456:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  457:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  458:
1.245     schwarze  459:        term_word(p, meta->os);
1.1       kristaps  460:        term_flushln(p);
                    461:
1.9       kristaps  462:        p->offset = 0;
                    463:        p->rmargin = p->maxrmargin;
                    464:        p->flags = 0;
1.1       kristaps  465: }
                    466:
1.3       kristaps  467: static void
1.316     schwarze  468: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  469: {
1.267     schwarze  470:        char                    *volume, *title;
                    471:        size_t                   vollen, titlen;
1.1       kristaps  472:
                    473:        /*
                    474:         * The header is strange.  It has three components, which are
                    475:         * really two with the first duplicated.  It goes like this:
                    476:         *
                    477:         * IDENTIFIER              TITLE                   IDENTIFIER
                    478:         *
                    479:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    480:         * (if given, or "unknown" if not) followed by the manual page
                    481:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    482:         * string depending on the manual volume.  If not specified, it
                    483:         * switches on the manual section.
                    484:         */
1.235     schwarze  485:
1.245     schwarze  486:        assert(meta->vol);
1.267     schwarze  487:        if (NULL == meta->arch)
                    488:                volume = mandoc_strdup(meta->vol);
                    489:        else
                    490:                mandoc_asprintf(&volume, "%s (%s)",
                    491:                    meta->vol, meta->arch);
                    492:        vollen = term_strlen(p, volume);
1.1       kristaps  493:
1.275     schwarze  494:        if (NULL == meta->msec)
                    495:                title = mandoc_strdup(meta->title);
                    496:        else
                    497:                mandoc_asprintf(&title, "%s(%s)",
                    498:                    meta->title, meta->msec);
1.235     schwarze  499:        titlen = term_strlen(p, title);
1.1       kristaps  500:
1.235     schwarze  501:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  502:        p->trailspace = 1;
1.1       kristaps  503:        p->offset = 0;
1.267     schwarze  504:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    505:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  506:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  507:
                    508:        term_word(p, title);
                    509:        term_flushln(p);
                    510:
1.235     schwarze  511:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  512:        p->offset = p->rmargin;
1.267     schwarze  513:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  514:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  515:
1.267     schwarze  516:        term_word(p, volume);
1.1       kristaps  517:        term_flushln(p);
                    518:
                    519:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  520:        p->trailspace = 0;
1.235     schwarze  521:        if (p->rmargin + titlen <= p->maxrmargin) {
                    522:                p->flags |= TERMP_NOSPACE;
                    523:                p->offset = p->rmargin;
                    524:                p->rmargin = p->maxrmargin;
                    525:                term_word(p, title);
                    526:                term_flushln(p);
                    527:        }
1.1       kristaps  528:
1.235     schwarze  529:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  530:        p->offset = 0;
1.1       kristaps  531:        p->rmargin = p->maxrmargin;
1.266     schwarze  532:        free(title);
1.267     schwarze  533:        free(volume);
1.1       kristaps  534: }
                    535:
1.302     schwarze  536: static int
1.157     kristaps  537: a2width(const struct termp *p, const char *v)
1.91      kristaps  538: {
1.92      kristaps  539:        struct roffsu    su;
1.1       kristaps  540:
1.300     schwarze  541:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157     kristaps  542:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  543:                su.scale /= term_strlen(p, "0");
1.302     schwarze  544:        }
1.328     schwarze  545:        return term_hspan(p, &su) / 24;
1.1       kristaps  546: }
                    547:
1.108     kristaps  548: /*
                    549:  * Determine how much space to print out before block elements of `It'
                    550:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    551:  * too.
                    552:  */
1.54      kristaps  553: static void
1.264     schwarze  554: print_bvspace(struct termp *p,
1.315     schwarze  555:        const struct roff_node *bl,
                    556:        const struct roff_node *n)
1.1       kristaps  557: {
1.315     schwarze  558:        const struct roff_node  *nn;
1.236     schwarze  559:
                    560:        assert(n);
1.1       kristaps  561:
                    562:        term_newln(p);
1.150     kristaps  563:
1.202     kristaps  564:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  565:                return;
1.202     kristaps  566:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  567:                return;
                    568:
1.85      kristaps  569:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  570:
1.289     schwarze  571:        nn = n;
1.337     schwarze  572:        while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
                    573:                nn = nn->prev;
1.289     schwarze  574:        while (nn->prev == NULL) {
                    575:                do {
                    576:                        nn = nn->parent;
1.314     schwarze  577:                        if (nn->type == ROFFT_ROOT)
1.289     schwarze  578:                                return;
1.314     schwarze  579:                } while (nn->type != ROFFT_BLOCK);
1.289     schwarze  580:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  581:                        return;
1.289     schwarze  582:                if (nn->tok == MDOC_It &&
                    583:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    584:                        break;
1.1       kristaps  585:        }
                    586:
1.85      kristaps  587:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  588:
1.202     kristaps  589:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  590:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  591:                        return;
                    592:
1.85      kristaps  593:        /* A `-diag' without body does not vspace. */
                    594:
1.202     kristaps  595:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  596:                if (n->prev && MDOC_It == n->prev->tok) {
                    597:                        assert(n->prev->body);
                    598:                        if (NULL == n->prev->body->child)
1.55      kristaps  599:                                return;
                    600:                }
                    601:
1.54      kristaps  602:        term_vspace(p);
1.260     schwarze  603: }
                    604:
                    605:
                    606: static int
                    607: termp_ll_pre(DECL_ARGS)
                    608: {
                    609:
1.331     schwarze  610:        term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.328     schwarze  611:        return 0;
1.1       kristaps  612: }
                    613:
                    614: static int
                    615: termp_it_pre(DECL_ARGS)
                    616: {
1.345     schwarze  617:        struct roffsu           su;
1.302     schwarze  618:        char                    buf[24];
1.315     schwarze  619:        const struct roff_node *bl, *nn;
1.302     schwarze  620:        size_t                  ncols, dcol;
                    621:        int                     i, offset, width;
1.126     kristaps  622:        enum mdoc_list          type;
1.1       kristaps  623:
1.314     schwarze  624:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps  625:                print_bvspace(p, n->parent->parent, n);
1.328     schwarze  626:                return 1;
1.54      kristaps  627:        }
1.1       kristaps  628:
1.86      kristaps  629:        bl = n->parent->parent->parent;
1.202     kristaps  630:        type = bl->norm->Bl.type;
1.1       kristaps  631:
1.264     schwarze  632:        /*
1.302     schwarze  633:         * Defaults for specific list types.
                    634:         */
                    635:
                    636:        switch (type) {
                    637:        case LIST_bullet:
                    638:        case LIST_dash:
                    639:        case LIST_hyphen:
                    640:        case LIST_enum:
                    641:                width = term_len(p, 2);
                    642:                break;
                    643:        case LIST_hang:
1.332     schwarze  644:        case LIST_tag:
1.302     schwarze  645:                width = term_len(p, 8);
                    646:                break;
                    647:        case LIST_column:
                    648:                width = term_len(p, 10);
                    649:                break;
                    650:        default:
                    651:                width = 0;
                    652:                break;
                    653:        }
                    654:        offset = 0;
                    655:
                    656:        /*
1.108     kristaps  657:         * First calculate width and offset.  This is pretty easy unless
                    658:         * we're a -column list, in which case all prior columns must
                    659:         * be accounted for.
                    660:         */
                    661:
1.302     schwarze  662:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  663:                offset = a2width(p, bl->norm->Bl.offs);
1.302     schwarze  664:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    665:                        offset = -p->offset;
                    666:                else if (offset > SHRT_MAX)
                    667:                        offset = 0;
                    668:        }
1.152     kristaps  669:
1.1       kristaps  670:        switch (type) {
1.264     schwarze  671:        case LIST_column:
1.314     schwarze  672:                if (n->type == ROFFT_HEAD)
1.1       kristaps  673:                        break;
1.155     kristaps  674:
1.105     kristaps  675:                /*
1.108     kristaps  676:                 * Imitate groff's column handling:
                    677:                 * - For each earlier column, add its width.
                    678:                 * - For less than 5 columns, add four more blanks per
                    679:                 *   column.
                    680:                 * - For exactly 5 columns, add three more blank per
                    681:                 *   column.
                    682:                 * - For more than 5 columns, add only one column.
1.105     kristaps  683:                 */
1.202     kristaps  684:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  685:                dcol = ncols < 5 ? term_len(p, 4) :
                    686:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  687:
1.134     kristaps  688:                /*
1.314     schwarze  689:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    690:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134     kristaps  691:                 */
                    692:
1.264     schwarze  693:                for (i = 0, nn = n->prev;
                    694:                    nn->prev && i < (int)ncols;
1.345     schwarze  695:                    nn = nn->prev, i++) {
                    696:                        SCALE_HS_INIT(&su,
                    697:                            term_strlen(p, bl->norm->Bl.cols[i]));
                    698:                        su.scale /= term_strlen(p, "0");
                    699:                        offset += term_hspan(p, &su) / 24 + dcol;
                    700:                }
1.105     kristaps  701:
                    702:                /*
1.108     kristaps  703:                 * When exceeding the declared number of columns, leave
                    704:                 * the remaining widths at 0.  This will later be
                    705:                 * adjusted to the default width of 10, or, for the last
                    706:                 * column, stretched to the right margin.
1.58      kristaps  707:                 */
1.108     kristaps  708:                if (i >= (int)ncols)
                    709:                        break;
1.58      kristaps  710:
1.105     kristaps  711:                /*
1.108     kristaps  712:                 * Use the declared column widths, extended as explained
                    713:                 * in the preceding paragraph.
1.105     kristaps  714:                 */
1.345     schwarze  715:                SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
                    716:                su.scale /= term_strlen(p, "0");
                    717:                width = term_hspan(p, &su) / 24 + dcol;
1.1       kristaps  718:                break;
                    719:        default:
1.202     kristaps  720:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  721:                        break;
                    722:
1.264     schwarze  723:                /*
1.108     kristaps  724:                 * Note: buffer the width by 2, which is groff's magic
                    725:                 * number for buffering single arguments.  See the above
                    726:                 * handling for column for how this changes.
                    727:                 */
1.202     kristaps  728:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302     schwarze  729:                if (width < 0 && (size_t)(-width) > p->offset)
                    730:                        width = -p->offset;
                    731:                else if (width > SHRT_MAX)
                    732:                        width = 0;
1.1       kristaps  733:                break;
                    734:        }
                    735:
1.264     schwarze  736:        /*
1.17      kristaps  737:         * Whitespace control.  Inset bodies need an initial space,
                    738:         * while diagonal bodies need two.
1.1       kristaps  739:         */
                    740:
1.51      kristaps  741:        p->flags |= TERMP_NOSPACE;
                    742:
1.1       kristaps  743:        switch (type) {
1.264     schwarze  744:        case LIST_diag:
1.314     schwarze  745:                if (n->type == ROFFT_BODY)
1.62      kristaps  746:                        term_word(p, "\\ \\ ");
1.51      kristaps  747:                break;
1.264     schwarze  748:        case LIST_inset:
1.331     schwarze  749:                if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51      kristaps  750:                        term_word(p, "\\ ");
1.1       kristaps  751:                break;
                    752:        default:
                    753:                break;
                    754:        }
                    755:
1.51      kristaps  756:        p->flags |= TERMP_NOSPACE;
                    757:
1.1       kristaps  758:        switch (type) {
1.264     schwarze  759:        case LIST_diag:
1.314     schwarze  760:                if (n->type == ROFFT_HEAD)
1.102     kristaps  761:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  762:                break;
                    763:        default:
                    764:                break;
                    765:        }
                    766:
                    767:        /*
1.109     kristaps  768:         * Pad and break control.  This is the tricky part.  These flags
                    769:         * are documented in term_flushln() in term.c.  Note that we're
                    770:         * going to unset all of these flags in termp_it_post() when we
                    771:         * exit.
1.1       kristaps  772:         */
                    773:
                    774:        switch (type) {
1.264     schwarze  775:        case LIST_enum:
1.329     schwarze  776:        case LIST_bullet:
                    777:        case LIST_dash:
                    778:        case LIST_hyphen:
1.242     schwarze  779:                /*
                    780:                 * Weird special case.
1.302     schwarze  781:                 * Some very narrow lists actually hang.
1.242     schwarze  782:                 */
1.302     schwarze  783:                if (width <= (int)term_len(p, 2))
                    784:                        p->flags |= TERMP_HANG;
1.314     schwarze  785:                if (n->type != ROFFT_HEAD)
1.250     schwarze  786:                        break;
                    787:                p->flags |= TERMP_NOBREAK;
                    788:                p->trailspace = 1;
1.39      kristaps  789:                break;
1.264     schwarze  790:        case LIST_hang:
1.314     schwarze  791:                if (n->type != ROFFT_HEAD)
1.59      kristaps  792:                        break;
                    793:
                    794:                /*
                    795:                 * This is ugly.  If `-hang' is specified and the body
                    796:                 * is a `Bl' or `Bd', then we want basically to nullify
                    797:                 * the "overstep" effect in term_flushln() and treat
                    798:                 * this as a `-ohang' list instead.
                    799:                 */
1.279     schwarze  800:                if (NULL != n->next &&
1.278     schwarze  801:                    NULL != n->next->child &&
                    802:                    (MDOC_Bl == n->next->child->tok ||
                    803:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  804:                        break;
                    805:
1.263     schwarze  806:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  807:                p->trailspace = 1;
1.39      kristaps  808:                break;
1.264     schwarze  809:        case LIST_tag:
1.314     schwarze  810:                if (n->type != ROFFT_HEAD)
1.39      kristaps  811:                        break;
1.250     schwarze  812:
1.326     schwarze  813:                p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250     schwarze  814:                p->trailspace = 2;
                    815:
1.86      kristaps  816:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  817:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  818:                break;
1.264     schwarze  819:        case LIST_column:
1.314     schwarze  820:                if (n->type == ROFFT_HEAD)
1.134     kristaps  821:                        break;
                    822:
1.250     schwarze  823:                if (NULL == n->next) {
1.134     kristaps  824:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  825:                        p->trailspace = 0;
                    826:                } else {
1.134     kristaps  827:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  828:                        p->trailspace = 1;
                    829:                }
1.134     kristaps  830:
1.1       kristaps  831:                break;
1.264     schwarze  832:        case LIST_diag:
1.314     schwarze  833:                if (n->type != ROFFT_HEAD)
1.250     schwarze  834:                        break;
1.263     schwarze  835:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  836:                p->trailspace = 1;
1.1       kristaps  837:                break;
                    838:        default:
                    839:                break;
                    840:        }
                    841:
1.264     schwarze  842:        /*
1.1       kristaps  843:         * Margin control.  Set-head-width lists have their right
                    844:         * margins shortened.  The body for these lists has the offset
                    845:         * necessarily lengthened.  Everybody gets the offset.
                    846:         */
                    847:
                    848:        p->offset += offset;
                    849:
                    850:        switch (type) {
1.264     schwarze  851:        case LIST_hang:
1.59      kristaps  852:                /*
                    853:                 * Same stipulation as above, regarding `-hang'.  We
                    854:                 * don't want to recalculate rmargin and offsets when
                    855:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    856:                 */
1.314     schwarze  857:                if (n->type == ROFFT_HEAD &&
1.279     schwarze  858:                    NULL != n->next &&
1.278     schwarze  859:                    NULL != n->next->child &&
                    860:                    (MDOC_Bl == n->next->child->tok ||
                    861:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  862:                        break;
                    863:                /* FALLTHROUGH */
1.264     schwarze  864:        case LIST_bullet:
                    865:        case LIST_dash:
                    866:        case LIST_enum:
                    867:        case LIST_hyphen:
                    868:        case LIST_tag:
1.314     schwarze  869:                if (n->type == ROFFT_HEAD)
1.1       kristaps  870:                        p->rmargin = p->offset + width;
1.292     schwarze  871:                else
1.1       kristaps  872:                        p->offset += width;
                    873:                break;
1.264     schwarze  874:        case LIST_column:
1.49      kristaps  875:                assert(width);
1.1       kristaps  876:                p->rmargin = p->offset + width;
1.264     schwarze  877:                /*
1.50      kristaps  878:                 * XXX - this behaviour is not documented: the
                    879:                 * right-most column is filled to the right margin.
                    880:                 */
1.314     schwarze  881:                if (n->type == ROFFT_HEAD)
1.134     kristaps  882:                        break;
                    883:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  884:                        p->rmargin = p->maxrmargin;
1.1       kristaps  885:                break;
                    886:        default:
                    887:                break;
                    888:        }
                    889:
1.264     schwarze  890:        /*
1.1       kristaps  891:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  892:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  893:         */
                    894:
1.314     schwarze  895:        if (n->type == ROFFT_HEAD)
1.1       kristaps  896:                switch (type) {
1.264     schwarze  897:                case LIST_bullet:
1.102     kristaps  898:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  899:                        term_word(p, "\\[bu]");
1.102     kristaps  900:                        term_fontpop(p);
1.1       kristaps  901:                        break;
1.264     schwarze  902:                case LIST_dash:
                    903:                case LIST_hyphen:
1.102     kristaps  904:                        term_fontpush(p, TERMFONT_BOLD);
1.330     schwarze  905:                        term_word(p, "-");
1.102     kristaps  906:                        term_fontpop(p);
1.1       kristaps  907:                        break;
1.264     schwarze  908:                case LIST_enum:
1.1       kristaps  909:                        (pair->ppair->ppair->count)++;
1.265     schwarze  910:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  911:                            pair->ppair->ppair->count);
1.1       kristaps  912:                        term_word(p, buf);
                    913:                        break;
                    914:                default:
                    915:                        break;
                    916:                }
                    917:
1.264     schwarze  918:        /*
1.1       kristaps  919:         * If we're not going to process our children, indicate so here.
                    920:         */
                    921:
                    922:        switch (type) {
1.264     schwarze  923:        case LIST_bullet:
                    924:        case LIST_item:
                    925:        case LIST_dash:
                    926:        case LIST_hyphen:
                    927:        case LIST_enum:
1.314     schwarze  928:                if (n->type == ROFFT_HEAD)
1.328     schwarze  929:                        return 0;
1.1       kristaps  930:                break;
1.264     schwarze  931:        case LIST_column:
1.314     schwarze  932:                if (n->type == ROFFT_HEAD)
1.328     schwarze  933:                        return 0;
1.1       kristaps  934:                break;
                    935:        default:
                    936:                break;
                    937:        }
                    938:
1.328     schwarze  939:        return 1;
1.1       kristaps  940: }
                    941:
                    942: static void
                    943: termp_it_post(DECL_ARGS)
                    944: {
1.126     kristaps  945:        enum mdoc_list     type;
1.1       kristaps  946:
1.314     schwarze  947:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  948:                return;
                    949:
1.202     kristaps  950:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  951:
                    952:        switch (type) {
1.264     schwarze  953:        case LIST_item:
                    954:        case LIST_diag:
                    955:        case LIST_inset:
1.314     schwarze  956:                if (n->type == ROFFT_BODY)
1.130     schwarze  957:                        term_newln(p);
1.1       kristaps  958:                break;
1.264     schwarze  959:        case LIST_column:
1.314     schwarze  960:                if (n->type == ROFFT_BODY)
1.1       kristaps  961:                        term_flushln(p);
                    962:                break;
                    963:        default:
1.130     schwarze  964:                term_newln(p);
1.1       kristaps  965:                break;
                    966:        }
                    967:
1.264     schwarze  968:        /*
1.109     kristaps  969:         * Now that our output is flushed, we can reset our tags.  Since
                    970:         * only `It' sets these flags, we're free to assume that nobody
                    971:         * has munged them in the meanwhile.
                    972:         */
                    973:
1.326     schwarze  974:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263     schwarze  975:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  976:        p->trailspace = 0;
1.1       kristaps  977: }
                    978:
                    979: static int
                    980: termp_nm_pre(DECL_ARGS)
                    981: {
1.296     schwarze  982:        const char      *cp;
1.1       kristaps  983:
1.314     schwarze  984:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze  985:                p->flags |= TERMP_PREKEEP;
1.328     schwarze  986:                return 1;
1.253     schwarze  987:        }
1.164     schwarze  988:
1.314     schwarze  989:        if (n->type == ROFFT_BODY) {
1.164     schwarze  990:                if (NULL == n->child)
1.328     schwarze  991:                        return 0;
1.234     schwarze  992:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  993:                cp = NULL;
                    994:                if (n->prev->child != NULL)
                    995:                    cp = n->prev->child->string;
                    996:                if (cp == NULL)
                    997:                        cp = meta->name;
                    998:                if (cp == NULL)
                    999:                        p->offset += term_len(p, 6);
                   1000:                else
                   1001:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328     schwarze 1002:                return 1;
1.164     schwarze 1003:        }
                   1004:
1.343     schwarze 1005:        if (n->child == NULL)
1.328     schwarze 1006:                return 0;
1.125     kristaps 1007:
1.314     schwarze 1008:        if (n->type == ROFFT_HEAD)
1.177     schwarze 1009:                synopsis_pre(p, n->parent);
1.102     kristaps 1010:
1.314     schwarze 1011:        if (n->type == ROFFT_HEAD &&
1.278     schwarze 1012:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1013:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1014:                p->trailspace = 1;
1.185     schwarze 1015:                p->rmargin = p->offset + term_len(p, 1);
                   1016:                if (NULL == n->child) {
1.245     schwarze 1017:                        p->rmargin += term_strlen(p, meta->name);
1.314     schwarze 1018:                } else if (n->child->type == ROFFT_TEXT) {
1.185     schwarze 1019:                        p->rmargin += term_strlen(p, n->child->string);
                   1020:                        if (n->child->next)
                   1021:                                p->flags |= TERMP_HANG;
                   1022:                } else {
                   1023:                        p->rmargin += term_len(p, 5);
                   1024:                        p->flags |= TERMP_HANG;
                   1025:                }
1.164     schwarze 1026:        }
                   1027:
1.102     kristaps 1028:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1029:        return 1;
1.1       kristaps 1030: }
                   1031:
1.164     schwarze 1032: static void
                   1033: termp_nm_post(DECL_ARGS)
                   1034: {
                   1035:
1.314     schwarze 1036:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze 1037:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314     schwarze 1038:        } else if (n->type == ROFFT_HEAD &&
1.278     schwarze 1039:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1040:                term_flushln(p);
1.263     schwarze 1041:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1042:                p->trailspace = 0;
1.314     schwarze 1043:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164     schwarze 1044:                term_flushln(p);
                   1045: }
                   1046:
1.1       kristaps 1047: static int
                   1048: termp_fl_pre(DECL_ARGS)
                   1049: {
                   1050:
1.320     schwarze 1051:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1052:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1053:        term_word(p, "\\-");
1.103     kristaps 1054:
1.331     schwarze 1055:        if (!(n->child == NULL &&
1.280     schwarze 1056:            (n->next == NULL ||
1.314     schwarze 1057:             n->next->type == ROFFT_TEXT ||
1.338     schwarze 1058:             n->next->flags & NODE_LINE)))
1.103     kristaps 1059:                p->flags |= TERMP_NOSPACE;
                   1060:
1.328     schwarze 1061:        return 1;
1.1       kristaps 1062: }
                   1063:
                   1064: static int
1.184     kristaps 1065: termp__a_pre(DECL_ARGS)
                   1066: {
                   1067:
                   1068:        if (n->prev && MDOC__A == n->prev->tok)
                   1069:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1070:                        term_word(p, "and");
                   1071:
1.328     schwarze 1072:        return 1;
1.184     kristaps 1073: }
                   1074:
                   1075: static int
1.61      kristaps 1076: termp_an_pre(DECL_ARGS)
                   1077: {
                   1078:
1.282     schwarze 1079:        if (n->norm->An.auth == AUTH_split) {
                   1080:                p->flags &= ~TERMP_NOSPLIT;
                   1081:                p->flags |= TERMP_SPLIT;
1.328     schwarze 1082:                return 0;
1.282     schwarze 1083:        }
                   1084:        if (n->norm->An.auth == AUTH_nosplit) {
                   1085:                p->flags &= ~TERMP_SPLIT;
                   1086:                p->flags |= TERMP_NOSPLIT;
1.328     schwarze 1087:                return 0;
1.282     schwarze 1088:        }
1.264     schwarze 1089:
1.282     schwarze 1090:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1091:                term_newln(p);
                   1092:
1.282     schwarze 1093:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1094:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1095:
1.328     schwarze 1096:        return 1;
1.61      kristaps 1097: }
                   1098:
                   1099: static int
1.1       kristaps 1100: termp_ns_pre(DECL_ARGS)
                   1101: {
                   1102:
1.338     schwarze 1103:        if ( ! (NODE_LINE & n->flags))
1.215     kristaps 1104:                p->flags |= TERMP_NOSPACE;
1.328     schwarze 1105:        return 1;
1.1       kristaps 1106: }
                   1107:
                   1108: static int
                   1109: termp_rs_pre(DECL_ARGS)
                   1110: {
                   1111:
1.86      kristaps 1112:        if (SEC_SEE_ALSO != n->sec)
1.328     schwarze 1113:                return 1;
1.314     schwarze 1114:        if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1       kristaps 1115:                term_vspace(p);
1.328     schwarze 1116:        return 1;
1.1       kristaps 1117: }
                   1118:
                   1119: static int
                   1120: termp_ex_pre(DECL_ARGS)
                   1121: {
1.224     kristaps 1122:        term_newln(p);
1.341     schwarze 1123:        return 1;
1.1       kristaps 1124: }
                   1125:
                   1126: static int
                   1127: termp_nd_pre(DECL_ARGS)
                   1128: {
1.25      kristaps 1129:
1.314     schwarze 1130:        if (n->type == ROFFT_BODY)
1.297     schwarze 1131:                term_word(p, "\\(en");
1.328     schwarze 1132:        return 1;
1.115     kristaps 1133: }
                   1134:
                   1135: static int
                   1136: termp_bl_pre(DECL_ARGS)
                   1137: {
                   1138:
1.328     schwarze 1139:        return n->type != ROFFT_HEAD;
1.1       kristaps 1140: }
                   1141:
                   1142: static void
                   1143: termp_bl_post(DECL_ARGS)
                   1144: {
                   1145:
1.314     schwarze 1146:        if (n->type == ROFFT_BLOCK)
1.1       kristaps 1147:                term_newln(p);
                   1148: }
                   1149:
                   1150: static int
                   1151: termp_xr_pre(DECL_ARGS)
                   1152: {
                   1153:
1.225     kristaps 1154:        if (NULL == (n = n->child))
1.328     schwarze 1155:                return 0;
1.113     kristaps 1156:
1.314     schwarze 1157:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1158:        term_word(p, n->string);
1.11      kristaps 1159:
1.264     schwarze 1160:        if (NULL == (n = n->next))
1.328     schwarze 1161:                return 0;
1.225     kristaps 1162:
1.1       kristaps 1163:        p->flags |= TERMP_NOSPACE;
                   1164:        term_word(p, "(");
1.222     kristaps 1165:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1166:
1.314     schwarze 1167:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1168:        term_word(p, n->string);
                   1169:
1.222     kristaps 1170:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1171:        term_word(p, ")");
1.86      kristaps 1172:
1.328     schwarze 1173:        return 0;
1.1       kristaps 1174: }
                   1175:
1.143     kristaps 1176: /*
                   1177:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1178:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1179:  * macro combos).
                   1180:  */
                   1181: static void
1.315     schwarze 1182: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143     kristaps 1183: {
1.264     schwarze 1184:        /*
1.143     kristaps 1185:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1186:         * exist, do nothing.
                   1187:         */
1.338     schwarze 1188:        if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143     kristaps 1189:                return;
                   1190:
                   1191:        /*
                   1192:         * If we're the second in a pair of like elements, emit our
                   1193:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1194:         * case we soldier on.
                   1195:         */
1.264     schwarze 1196:        if (n->prev->tok == n->tok &&
                   1197:            MDOC_Ft != n->tok &&
                   1198:            MDOC_Fo != n->tok &&
                   1199:            MDOC_Fn != n->tok) {
1.143     kristaps 1200:                term_newln(p);
                   1201:                return;
                   1202:        }
                   1203:
                   1204:        /*
                   1205:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1206:         * another (or Fn/Fo, which we've let slip through) then assert
                   1207:         * vertical space, else only newline and move on.
                   1208:         */
                   1209:        switch (n->prev->tok) {
1.264     schwarze 1210:        case MDOC_Fd:
                   1211:        case MDOC_Fn:
                   1212:        case MDOC_Fo:
                   1213:        case MDOC_In:
                   1214:        case MDOC_Vt:
1.143     kristaps 1215:                term_vspace(p);
                   1216:                break;
1.264     schwarze 1217:        case MDOC_Ft:
1.143     kristaps 1218:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1219:                        term_vspace(p);
                   1220:                        break;
                   1221:                }
                   1222:                /* FALLTHROUGH */
                   1223:        default:
                   1224:                term_newln(p);
                   1225:                break;
                   1226:        }
                   1227: }
                   1228:
1.110     kristaps 1229: static int
                   1230: termp_vt_pre(DECL_ARGS)
                   1231: {
                   1232:
1.314     schwarze 1233:        if (n->type == ROFFT_ELEM) {
1.143     kristaps 1234:                synopsis_pre(p, n);
1.328     schwarze 1235:                return termp_under_pre(p, pair, meta, n);
1.314     schwarze 1236:        } else if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1237:                synopsis_pre(p, n);
1.328     schwarze 1238:                return 1;
1.314     schwarze 1239:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1240:                return 0;
1.110     kristaps 1241:
1.328     schwarze 1242:        return termp_under_pre(p, pair, meta, n);
1.110     kristaps 1243: }
                   1244:
1.1       kristaps 1245: static int
1.69      kristaps 1246: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1247: {
                   1248:
1.320     schwarze 1249:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1250:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1251:        return 1;
1.1       kristaps 1252: }
                   1253:
1.143     kristaps 1254: static int
                   1255: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1256: {
                   1257:
1.143     kristaps 1258:        synopsis_pre(p, n);
1.328     schwarze 1259:        return termp_bold_pre(p, pair, meta, n);
1.1       kristaps 1260: }
                   1261:
1.241     schwarze 1262: static void
                   1263: termp_fd_post(DECL_ARGS)
                   1264: {
                   1265:
                   1266:        term_newln(p);
                   1267: }
                   1268:
1.1       kristaps 1269: static int
                   1270: termp_sh_pre(DECL_ARGS)
                   1271: {
1.85      kristaps 1272:
1.86      kristaps 1273:        switch (n->type) {
1.314     schwarze 1274:        case ROFFT_BLOCK:
1.293     schwarze 1275:                /*
                   1276:                 * Vertical space before sections, except
                   1277:                 * when the previous section was empty.
                   1278:                 */
                   1279:                if (n->prev == NULL ||
1.322     schwarze 1280:                    n->prev->tok != MDOC_Sh ||
1.293     schwarze 1281:                    (n->prev->body != NULL &&
                   1282:                     n->prev->body->child != NULL))
                   1283:                        term_vspace(p);
1.65      kristaps 1284:                break;
1.314     schwarze 1285:        case ROFFT_HEAD:
1.102     kristaps 1286:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1287:                break;
1.314     schwarze 1288:        case ROFFT_BODY:
1.238     schwarze 1289:                p->offset = term_len(p, p->defindent);
1.322     schwarze 1290:                switch (n->sec) {
                   1291:                case SEC_DESCRIPTION:
                   1292:                        fn_prio = 0;
                   1293:                        break;
                   1294:                case SEC_AUTHORS:
1.239     schwarze 1295:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322     schwarze 1296:                        break;
                   1297:                default:
                   1298:                        break;
                   1299:                }
1.1       kristaps 1300:                break;
                   1301:        default:
                   1302:                break;
                   1303:        }
1.328     schwarze 1304:        return 1;
1.1       kristaps 1305: }
                   1306:
                   1307: static void
                   1308: termp_sh_post(DECL_ARGS)
                   1309: {
                   1310:
1.86      kristaps 1311:        switch (n->type) {
1.314     schwarze 1312:        case ROFFT_HEAD:
1.1       kristaps 1313:                term_newln(p);
                   1314:                break;
1.314     schwarze 1315:        case ROFFT_BODY:
1.1       kristaps 1316:                term_newln(p);
                   1317:                p->offset = 0;
                   1318:                break;
                   1319:        default:
                   1320:                break;
                   1321:        }
                   1322: }
                   1323:
                   1324: static void
                   1325: termp_lb_post(DECL_ARGS)
                   1326: {
                   1327:
1.338     schwarze 1328:        if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81      kristaps 1329:                term_newln(p);
1.1       kristaps 1330: }
                   1331:
                   1332: static int
                   1333: termp_d1_pre(DECL_ARGS)
                   1334: {
                   1335:
1.314     schwarze 1336:        if (n->type != ROFFT_BLOCK)
1.328     schwarze 1337:                return 1;
1.1       kristaps 1338:        term_newln(p);
1.238     schwarze 1339:        p->offset += term_len(p, p->defindent + 1);
1.328     schwarze 1340:        return 1;
1.1       kristaps 1341: }
                   1342:
                   1343: static int
                   1344: termp_ft_pre(DECL_ARGS)
                   1345: {
                   1346:
1.338     schwarze 1347:        /* NB: NODE_LINE does not effect this! */
1.143     kristaps 1348:        synopsis_pre(p, n);
1.102     kristaps 1349:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1350:        return 1;
1.1       kristaps 1351: }
                   1352:
                   1353: static int
                   1354: termp_fn_pre(DECL_ARGS)
                   1355: {
1.257     schwarze 1356:        size_t           rmargin = 0;
1.226     kristaps 1357:        int              pretty;
                   1358:
1.338     schwarze 1359:        pretty = NODE_SYNPRETTY & n->flags;
1.1       kristaps 1360:
1.143     kristaps 1361:        synopsis_pre(p, n);
1.139     kristaps 1362:
1.226     kristaps 1363:        if (NULL == (n = n->child))
1.328     schwarze 1364:                return 0;
1.226     kristaps 1365:
1.251     schwarze 1366:        if (pretty) {
                   1367:                rmargin = p->rmargin;
1.257     schwarze 1368:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1369:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1370:        }
                   1371:
1.314     schwarze 1372:        assert(n->type == ROFFT_TEXT);
1.102     kristaps 1373:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1374:        term_word(p, n->string);
1.102     kristaps 1375:        term_fontpop(p);
1.1       kristaps 1376:
1.336     schwarze 1377:        if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324     schwarze 1378:                tag_put(n->string, ++fn_prio, p->line);
1.322     schwarze 1379:
1.251     schwarze 1380:        if (pretty) {
                   1381:                term_flushln(p);
1.263     schwarze 1382:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1383:                p->offset = p->rmargin;
                   1384:                p->rmargin = rmargin;
                   1385:        }
                   1386:
1.1       kristaps 1387:        p->flags |= TERMP_NOSPACE;
                   1388:        term_word(p, "(");
1.222     kristaps 1389:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1390:
1.226     kristaps 1391:        for (n = n->next; n; n = n->next) {
1.314     schwarze 1392:                assert(n->type == ROFFT_TEXT);
1.102     kristaps 1393:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1394:                if (pretty)
                   1395:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1396:                term_word(p, n->string);
1.102     kristaps 1397:                term_fontpop(p);
                   1398:
1.226     kristaps 1399:                if (n->next) {
1.222     kristaps 1400:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1401:                        term_word(p, ",");
1.222     kristaps 1402:                }
1.1       kristaps 1403:        }
                   1404:
1.222     kristaps 1405:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1406:        term_word(p, ")");
                   1407:
1.226     kristaps 1408:        if (pretty) {
1.222     kristaps 1409:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1410:                term_word(p, ";");
1.251     schwarze 1411:                term_flushln(p);
1.222     kristaps 1412:        }
1.1       kristaps 1413:
1.328     schwarze 1414:        return 0;
1.1       kristaps 1415: }
                   1416:
                   1417: static int
                   1418: termp_fa_pre(DECL_ARGS)
                   1419: {
1.315     schwarze 1420:        const struct roff_node  *nn;
1.1       kristaps 1421:
1.86      kristaps 1422:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1423:                term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1424:                return 1;
1.1       kristaps 1425:        }
                   1426:
1.86      kristaps 1427:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1428:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1429:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1430:                term_word(p, nn->string);
1.102     kristaps 1431:                term_fontpop(p);
                   1432:
1.256     schwarze 1433:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1434:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1435:                        term_word(p, ",");
1.222     kristaps 1436:                }
1.1       kristaps 1437:        }
                   1438:
1.328     schwarze 1439:        return 0;
1.1       kristaps 1440: }
                   1441:
                   1442: static int
                   1443: termp_bd_pre(DECL_ARGS)
                   1444: {
1.272     schwarze 1445:        size_t                   tabwidth, lm, len, rm, rmax;
1.315     schwarze 1446:        struct roff_node        *nn;
1.302     schwarze 1447:        int                      offset;
1.1       kristaps 1448:
1.314     schwarze 1449:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps 1450:                print_bvspace(p, n, n);
1.328     schwarze 1451:                return 1;
1.314     schwarze 1452:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1453:                return 0;
1.1       kristaps 1454:
1.288     schwarze 1455:        /* Handle the -offset argument. */
                   1456:
                   1457:        if (n->norm->Bd.offs == NULL ||
                   1458:            ! strcmp(n->norm->Bd.offs, "left"))
                   1459:                /* nothing */;
                   1460:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1461:                p->offset += term_len(p, p->defindent + 1);
                   1462:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1463:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1464:        else {
                   1465:                offset = a2width(p, n->norm->Bd.offs);
                   1466:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1467:                        p->offset = 0;
                   1468:                else if (offset < SHRT_MAX)
                   1469:                        p->offset += offset;
                   1470:        }
1.85      kristaps 1471:
                   1472:        /*
                   1473:         * If -ragged or -filled are specified, the block does nothing
                   1474:         * but change the indentation.  If -unfilled or -literal are
                   1475:         * specified, text is printed exactly as entered in the display:
                   1476:         * for macro lines, a newline is appended to the line.  Blank
                   1477:         * lines are allowed.
                   1478:         */
1.264     schwarze 1479:
                   1480:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1481:            DISP_unfilled != n->norm->Bd.type &&
                   1482:            DISP_centered != n->norm->Bd.type)
1.328     schwarze 1483:                return 1;
1.1       kristaps 1484:
1.129     schwarze 1485:        tabwidth = p->tabwidth;
1.208     kristaps 1486:        if (DISP_literal == n->norm->Bd.type)
                   1487:                p->tabwidth = term_len(p, 8);
                   1488:
1.272     schwarze 1489:        lm = p->offset;
1.119     kristaps 1490:        rm = p->rmargin;
                   1491:        rmax = p->maxrmargin;
1.120     kristaps 1492:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1493:
1.86      kristaps 1494:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1495:                if (DISP_centered == n->norm->Bd.type) {
1.314     schwarze 1496:                        if (nn->type == ROFFT_TEXT) {
1.272     schwarze 1497:                                len = term_strlen(p, nn->string);
                   1498:                                p->offset = len >= rm ? 0 :
                   1499:                                    lm + len >= rm ? rm - len :
                   1500:                                    (lm + rm - len) / 2;
                   1501:                        } else
                   1502:                                p->offset = lm;
                   1503:                }
1.245     schwarze 1504:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1505:                /*
                   1506:                 * If the printed node flushes its own line, then we
                   1507:                 * needn't do it here as well.  This is hacky, but the
                   1508:                 * notion of selective eoln whitespace is pretty dumb
                   1509:                 * anyway, so don't sweat it.
                   1510:                 */
                   1511:                switch (nn->tok) {
1.264     schwarze 1512:                case MDOC_Sm:
1.351     schwarze 1513:                case ROFF_br:
1.264     schwarze 1514:                case MDOC_sp:
                   1515:                case MDOC_Bl:
                   1516:                case MDOC_D1:
                   1517:                case MDOC_Dl:
                   1518:                case MDOC_Lp:
                   1519:                case MDOC_Pp:
1.190     kristaps 1520:                        continue;
                   1521:                default:
                   1522:                        break;
                   1523:                }
1.299     schwarze 1524:                if (p->flags & TERMP_NONEWLINE ||
1.338     schwarze 1525:                    (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180     schwarze 1526:                        continue;
                   1527:                term_flushln(p);
                   1528:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1529:        }
1.147     kristaps 1530:
1.129     schwarze 1531:        p->tabwidth = tabwidth;
1.119     kristaps 1532:        p->rmargin = rm;
                   1533:        p->maxrmargin = rmax;
1.328     schwarze 1534:        return 0;
1.1       kristaps 1535: }
                   1536:
                   1537: static void
                   1538: termp_bd_post(DECL_ARGS)
                   1539: {
1.119     kristaps 1540:        size_t           rm, rmax;
1.1       kristaps 1541:
1.314     schwarze 1542:        if (n->type != ROFFT_BODY)
1.1       kristaps 1543:                return;
1.118     kristaps 1544:
1.119     kristaps 1545:        rm = p->rmargin;
                   1546:        rmax = p->maxrmargin;
1.118     kristaps 1547:
1.264     schwarze 1548:        if (DISP_literal == n->norm->Bd.type ||
                   1549:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1550:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1551:
1.60      kristaps 1552:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1553:        term_newln(p);
1.118     kristaps 1554:
1.119     kristaps 1555:        p->rmargin = rm;
                   1556:        p->maxrmargin = rmax;
1.1       kristaps 1557: }
                   1558:
                   1559: static int
1.26      kristaps 1560: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1561: {
1.339     schwarze 1562:        if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
                   1563:                p->flags |= TERMP_PREKEEP;
                   1564:        return 1;
                   1565: }
1.1       kristaps 1566:
1.339     schwarze 1567: static void
                   1568: termp_xx_post(DECL_ARGS)
                   1569: {
                   1570:        if (n->aux == 0)
                   1571:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1       kristaps 1572: }
                   1573:
                   1574: static void
                   1575: termp_pf_post(DECL_ARGS)
                   1576: {
                   1577:
1.338     schwarze 1578:        if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298     schwarze 1579:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1580: }
                   1581:
                   1582: static int
                   1583: termp_ss_pre(DECL_ARGS)
                   1584: {
1.337     schwarze 1585:        struct roff_node *nn;
1.1       kristaps 1586:
1.86      kristaps 1587:        switch (n->type) {
1.314     schwarze 1588:        case ROFFT_BLOCK:
1.1       kristaps 1589:                term_newln(p);
1.337     schwarze 1590:                for (nn = n->prev; nn != NULL; nn = nn->prev)
                   1591:                        if ((nn->flags & NODE_NOPRT) == 0)
                   1592:                                break;
                   1593:                if (nn != NULL)
1.1       kristaps 1594:                        term_vspace(p);
                   1595:                break;
1.314     schwarze 1596:        case ROFFT_HEAD:
1.102     kristaps 1597:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1598:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1599:                break;
1.314     schwarze 1600:        case ROFFT_BODY:
1.274     schwarze 1601:                p->offset = term_len(p, p->defindent);
                   1602:                break;
1.1       kristaps 1603:        default:
                   1604:                break;
                   1605:        }
                   1606:
1.328     schwarze 1607:        return 1;
1.1       kristaps 1608: }
                   1609:
                   1610: static void
                   1611: termp_ss_post(DECL_ARGS)
                   1612: {
                   1613:
1.314     schwarze 1614:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1615:                term_newln(p);
                   1616: }
                   1617:
                   1618: static int
                   1619: termp_cd_pre(DECL_ARGS)
                   1620: {
                   1621:
1.143     kristaps 1622:        synopsis_pre(p, n);
1.102     kristaps 1623:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1624:        return 1;
1.1       kristaps 1625: }
                   1626:
                   1627: static int
                   1628: termp_in_pre(DECL_ARGS)
                   1629: {
1.142     schwarze 1630:
1.143     kristaps 1631:        synopsis_pre(p, n);
1.1       kristaps 1632:
1.338     schwarze 1633:        if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138     kristaps 1634:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1635:                term_word(p, "#include");
1.138     kristaps 1636:                term_word(p, "<");
                   1637:        } else {
                   1638:                term_word(p, "<");
                   1639:                term_fontpush(p, TERMFONT_UNDER);
                   1640:        }
1.22      kristaps 1641:
1.1       kristaps 1642:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1643:        return 1;
1.1       kristaps 1644: }
                   1645:
                   1646: static void
                   1647: termp_in_post(DECL_ARGS)
                   1648: {
                   1649:
1.338     schwarze 1650:        if (NODE_SYNPRETTY & n->flags)
1.138     kristaps 1651:                term_fontpush(p, TERMFONT_BOLD);
                   1652:
1.79      kristaps 1653:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1654:        term_word(p, ">");
                   1655:
1.338     schwarze 1656:        if (NODE_SYNPRETTY & n->flags)
1.138     kristaps 1657:                term_fontpop(p);
1.1       kristaps 1658: }
                   1659:
                   1660: static int
1.45      kristaps 1661: termp_sp_pre(DECL_ARGS)
                   1662: {
1.300     schwarze 1663:        struct roffsu    su;
1.312     schwarze 1664:        int              i, len;
1.45      kristaps 1665:
1.86      kristaps 1666:        switch (n->tok) {
1.264     schwarze 1667:        case MDOC_sp:
1.300     schwarze 1668:                if (n->child) {
                   1669:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1670:                                su.scale = 1.0;
                   1671:                        len = term_vspan(p, &su);
                   1672:                } else
                   1673:                        len = 1;
1.76      kristaps 1674:                break;
1.351     schwarze 1675:        case ROFF_br:
1.76      kristaps 1676:                len = 0;
                   1677:                break;
                   1678:        default:
                   1679:                len = 1;
1.322     schwarze 1680:                fn_prio = 0;
1.76      kristaps 1681:                break;
1.45      kristaps 1682:        }
                   1683:
                   1684:        if (0 == len)
                   1685:                term_newln(p);
1.312     schwarze 1686:        else if (len < 0)
                   1687:                p->skipvsp -= len;
                   1688:        else
                   1689:                for (i = 0; i < len; i++)
                   1690:                        term_vspace(p);
1.45      kristaps 1691:
1.328     schwarze 1692:        return 0;
1.45      kristaps 1693: }
                   1694:
                   1695: static int
1.294     schwarze 1696: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1697: {
                   1698:
1.328     schwarze 1699:        return 0;
1.268     schwarze 1700: }
                   1701:
                   1702: static int
1.188     kristaps 1703: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1704: {
                   1705:
1.314     schwarze 1706:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328     schwarze 1707:                return 1;
1.1       kristaps 1708:
1.188     kristaps 1709:        switch (n->tok) {
1.264     schwarze 1710:        case MDOC_Ao:
                   1711:        case MDOC_Aq:
1.331     schwarze 1712:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1713:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1714:                break;
1.264     schwarze 1715:        case MDOC_Bro:
                   1716:        case MDOC_Brq:
1.188     kristaps 1717:                term_word(p, "{");
                   1718:                break;
1.264     schwarze 1719:        case MDOC_Oo:
                   1720:        case MDOC_Op:
                   1721:        case MDOC_Bo:
                   1722:        case MDOC_Bq:
1.188     kristaps 1723:                term_word(p, "[");
                   1724:                break;
1.346     schwarze 1725:        case MDOC__T:
                   1726:                /* FALLTHROUGH */
1.264     schwarze 1727:        case MDOC_Do:
                   1728:        case MDOC_Dq:
1.311     schwarze 1729:                term_word(p, "\\(Lq");
1.188     kristaps 1730:                break;
1.268     schwarze 1731:        case MDOC_En:
                   1732:                if (NULL == n->norm->Es ||
                   1733:                    NULL == n->norm->Es->child)
1.328     schwarze 1734:                        return 1;
1.268     schwarze 1735:                term_word(p, n->norm->Es->child->string);
                   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, "\\(oq");
1.188     kristaps 1749:                break;
                   1750:        default:
                   1751:                abort();
                   1752:        }
1.1       kristaps 1753:
                   1754:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1755:        return 1;
1.1       kristaps 1756: }
                   1757:
                   1758: static void
1.188     kristaps 1759: termp_quote_post(DECL_ARGS)
1.1       kristaps 1760: {
                   1761:
1.314     schwarze 1762:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1763:                return;
                   1764:
1.306     schwarze 1765:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1766:
1.188     kristaps 1767:        switch (n->tok) {
1.264     schwarze 1768:        case MDOC_Ao:
                   1769:        case MDOC_Aq:
1.331     schwarze 1770:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1771:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1772:                break;
1.264     schwarze 1773:        case MDOC_Bro:
                   1774:        case MDOC_Brq:
1.188     kristaps 1775:                term_word(p, "}");
                   1776:                break;
1.264     schwarze 1777:        case MDOC_Oo:
                   1778:        case MDOC_Op:
                   1779:        case MDOC_Bo:
                   1780:        case MDOC_Bq:
1.188     kristaps 1781:                term_word(p, "]");
                   1782:                break;
1.346     schwarze 1783:        case MDOC__T:
                   1784:                /* FALLTHROUGH */
1.264     schwarze 1785:        case MDOC_Do:
                   1786:        case MDOC_Dq:
1.311     schwarze 1787:                term_word(p, "\\(Rq");
1.268     schwarze 1788:                break;
                   1789:        case MDOC_En:
1.306     schwarze 1790:                if (n->norm->Es == NULL ||
                   1791:                    n->norm->Es->child == NULL ||
                   1792:                    n->norm->Es->child->next == NULL)
                   1793:                        p->flags &= ~TERMP_NOSPACE;
                   1794:                else
1.268     schwarze 1795:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1796:                break;
1.264     schwarze 1797:        case MDOC_Po:
                   1798:        case MDOC_Pq:
1.188     kristaps 1799:                term_word(p, ")");
                   1800:                break;
1.264     schwarze 1801:        case MDOC_Qo:
                   1802:        case MDOC_Qq:
1.188     kristaps 1803:                term_word(p, "\"");
                   1804:                break;
1.264     schwarze 1805:        case MDOC_Ql:
                   1806:        case MDOC_So:
                   1807:        case MDOC_Sq:
1.249     schwarze 1808:                term_word(p, "\\(cq");
1.188     kristaps 1809:                break;
                   1810:        default:
                   1811:                abort();
                   1812:        }
1.306     schwarze 1813: }
                   1814:
                   1815: static int
                   1816: termp_eo_pre(DECL_ARGS)
                   1817: {
                   1818:
1.314     schwarze 1819:        if (n->type != ROFFT_BODY)
1.328     schwarze 1820:                return 1;
1.306     schwarze 1821:
                   1822:        if (n->end == ENDBODY_NOT &&
                   1823:            n->parent->head->child == NULL &&
                   1824:            n->child != NULL &&
                   1825:            n->child->end != ENDBODY_NOT)
                   1826:                term_word(p, "\\&");
                   1827:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1828:             n->parent->head->child != NULL && (n->child != NULL ||
                   1829:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 1830:                p->flags |= TERMP_NOSPACE;
                   1831:
1.328     schwarze 1832:        return 1;
1.306     schwarze 1833: }
                   1834:
                   1835: static void
                   1836: termp_eo_post(DECL_ARGS)
                   1837: {
                   1838:        int      body, tail;
                   1839:
1.314     schwarze 1840:        if (n->type != ROFFT_BODY)
1.306     schwarze 1841:                return;
                   1842:
                   1843:        if (n->end != ENDBODY_NOT) {
                   1844:                p->flags &= ~TERMP_NOSPACE;
                   1845:                return;
                   1846:        }
                   1847:
                   1848:        body = n->child != NULL || n->parent->head->child != NULL;
                   1849:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1850:
                   1851:        if (body && tail)
                   1852:                p->flags |= TERMP_NOSPACE;
                   1853:        else if ( ! (body || tail))
                   1854:                term_word(p, "\\&");
                   1855:        else if ( ! tail)
                   1856:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1857: }
                   1858:
                   1859: static int
                   1860: termp_fo_pre(DECL_ARGS)
                   1861: {
1.257     schwarze 1862:        size_t           rmargin = 0;
1.256     schwarze 1863:        int              pretty;
                   1864:
1.338     schwarze 1865:        pretty = NODE_SYNPRETTY & n->flags;
1.1       kristaps 1866:
1.314     schwarze 1867:        if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1868:                synopsis_pre(p, n);
1.328     schwarze 1869:                return 1;
1.314     schwarze 1870:        } else if (n->type == ROFFT_BODY) {
1.256     schwarze 1871:                if (pretty) {
                   1872:                        rmargin = p->rmargin;
1.257     schwarze 1873:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1874:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   1875:                                        TERMP_HANG;
1.256     schwarze 1876:                }
1.33      kristaps 1877:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1878:                term_word(p, "(");
1.222     kristaps 1879:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 1880:                if (pretty) {
                   1881:                        term_flushln(p);
1.263     schwarze 1882:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   1883:                                        TERMP_HANG);
1.256     schwarze 1884:                        p->offset = p->rmargin;
                   1885:                        p->rmargin = rmargin;
                   1886:                }
1.328     schwarze 1887:                return 1;
1.256     schwarze 1888:        }
1.141     kristaps 1889:
1.169     kristaps 1890:        if (NULL == n->child)
1.328     schwarze 1891:                return 0;
1.169     kristaps 1892:
1.141     kristaps 1893:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 1894:
1.141     kristaps 1895:        assert(n->child->string);
1.102     kristaps 1896:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 1897:        term_word(p, n->child->string);
1.328     schwarze 1898:        return 0;
1.1       kristaps 1899: }
                   1900:
                   1901: static void
                   1902: termp_fo_post(DECL_ARGS)
                   1903: {
                   1904:
1.314     schwarze 1905:        if (n->type != ROFFT_BODY)
1.143     kristaps 1906:                return;
                   1907:
1.222     kristaps 1908:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 1909:        term_word(p, ")");
                   1910:
1.338     schwarze 1911:        if (NODE_SYNPRETTY & n->flags) {
1.222     kristaps 1912:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 1913:                term_word(p, ";");
1.256     schwarze 1914:                term_flushln(p);
1.222     kristaps 1915:        }
1.1       kristaps 1916: }
                   1917:
                   1918: static int
                   1919: termp_bf_pre(DECL_ARGS)
                   1920: {
                   1921:
1.314     schwarze 1922:        if (n->type == ROFFT_HEAD)
1.328     schwarze 1923:                return 0;
1.314     schwarze 1924:        else if (n->type != ROFFT_BODY)
1.328     schwarze 1925:                return 1;
1.1       kristaps 1926:
1.264     schwarze 1927:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 1928:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 1929:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 1930:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 1931:        else
1.102     kristaps 1932:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 1933:
1.328     schwarze 1934:        return 1;
1.1       kristaps 1935: }
                   1936:
                   1937: static int
                   1938: termp_sm_pre(DECL_ARGS)
                   1939: {
                   1940:
1.269     schwarze 1941:        if (NULL == n->child)
                   1942:                p->flags ^= TERMP_NONOSPACE;
                   1943:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 1944:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 1945:        else
1.1       kristaps 1946:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 1947:
                   1948:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   1949:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1950:
1.328     schwarze 1951:        return 0;
1.1       kristaps 1952: }
                   1953:
                   1954: static int
                   1955: termp_ap_pre(DECL_ARGS)
                   1956: {
                   1957:
                   1958:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 1959:        term_word(p, "'");
1.1       kristaps 1960:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1961:        return 1;
1.1       kristaps 1962: }
                   1963:
                   1964: static void
                   1965: termp____post(DECL_ARGS)
                   1966: {
1.184     kristaps 1967:
                   1968:        /*
                   1969:         * Handle lists of authors.  In general, print each followed by
                   1970:         * a comma.  Don't print the comma if there are only two
                   1971:         * authors.
                   1972:         */
                   1973:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   1974:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   1975:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   1976:                                return;
1.1       kristaps 1977:
1.95      kristaps 1978:        /* TODO: %U. */
                   1979:
1.187     kristaps 1980:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   1981:                return;
                   1982:
1.222     kristaps 1983:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 1984:        if (NULL == n->next) {
                   1985:                term_word(p, ".");
                   1986:                p->flags |= TERMP_SENTENCE;
                   1987:        } else
                   1988:                term_word(p, ",");
1.1       kristaps 1989: }
                   1990:
                   1991: static int
1.102     kristaps 1992: termp_li_pre(DECL_ARGS)
                   1993: {
                   1994:
1.335     schwarze 1995:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1996:        term_fontpush(p, TERMFONT_NONE);
1.328     schwarze 1997:        return 1;
1.102     kristaps 1998: }
                   1999:
                   2000: static int
1.1       kristaps 2001: termp_lk_pre(DECL_ARGS)
                   2002: {
1.315     schwarze 2003:        const struct roff_node *link, *descr;
1.348     schwarze 2004:        int display;
1.1       kristaps 2005:
1.349     schwarze 2006:        if ((link = n->child) == NULL)
1.328     schwarze 2007:                return 0;
1.181     kristaps 2008:
1.349     schwarze 2009:        /* Link text. */
                   2010:        if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
1.240     schwarze 2011:                term_fontpush(p, TERMFONT_UNDER);
1.349     schwarze 2012:                while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
1.240     schwarze 2013:                        term_word(p, descr->string);
                   2014:                        descr = descr->next;
                   2015:                }
1.347     schwarze 2016:                term_fontpop(p);
1.240     schwarze 2017:                p->flags |= TERMP_NOSPACE;
                   2018:                term_word(p, ":");
                   2019:        }
1.1       kristaps 2020:
1.349     schwarze 2021:        /* Link target. */
1.348     schwarze 2022:        display = term_strlen(p, link->string) >= 26;
                   2023:        if (display) {
                   2024:                term_newln(p);
                   2025:                p->offset += term_len(p, p->defindent + 1);
                   2026:        }
1.102     kristaps 2027:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2028:        term_word(p, link->string);
1.102     kristaps 2029:        term_fontpop(p);
1.348     schwarze 2030:
1.349     schwarze 2031:        /* Trailing punctuation. */
                   2032:        while (descr != NULL) {
                   2033:                p->flags |= TERMP_NOSPACE;
                   2034:                term_word(p, descr->string);
                   2035:                descr = descr->next;
                   2036:        }
1.348     schwarze 2037:        if (display)
                   2038:                term_newln(p);
1.328     schwarze 2039:        return 0;
1.1       kristaps 2040: }
                   2041:
1.159     schwarze 2042: static int
                   2043: termp_bk_pre(DECL_ARGS)
                   2044: {
                   2045:
1.161     schwarze 2046:        switch (n->type) {
1.314     schwarze 2047:        case ROFFT_BLOCK:
1.166     kristaps 2048:                break;
1.314     schwarze 2049:        case ROFFT_HEAD:
1.328     schwarze 2050:                return 0;
1.314     schwarze 2051:        case ROFFT_BODY:
1.331     schwarze 2052:                if (n->parent->args != NULL || n->prev->child == NULL)
1.200     schwarze 2053:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2054:                break;
1.161     schwarze 2055:        default:
                   2056:                abort();
                   2057:        }
1.166     kristaps 2058:
1.328     schwarze 2059:        return 1;
1.159     schwarze 2060: }
                   2061:
                   2062: static void
                   2063: termp_bk_post(DECL_ARGS)
                   2064: {
                   2065:
1.314     schwarze 2066:        if (n->type == ROFFT_BODY)
1.161     schwarze 2067:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2068: }
                   2069:
                   2070: static void
                   2071: termp__t_post(DECL_ARGS)
                   2072: {
                   2073:
                   2074:        /*
                   2075:         * If we're in an `Rs' and there's a journal present, then quote
                   2076:         * us instead of underlining us (for disambiguation).
                   2077:         */
1.217     schwarze 2078:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2079:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2080:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2081:
1.245     schwarze 2082:        termp____post(p, pair, meta, n);
1.203     kristaps 2083: }
                   2084:
                   2085: static int
                   2086: termp__t_pre(DECL_ARGS)
                   2087: {
                   2088:
                   2089:        /*
                   2090:         * If we're in an `Rs' and there's a journal present, then quote
                   2091:         * us instead of underlining us (for disambiguation).
                   2092:         */
                   2093:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2094:            n->parent->norm->Rs.quote_T)
1.328     schwarze 2095:                return termp_quote_pre(p, pair, meta, n);
1.203     kristaps 2096:
                   2097:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 2098:        return 1;
1.159     schwarze 2099: }
1.1       kristaps 2100:
                   2101: static int
1.69      kristaps 2102: termp_under_pre(DECL_ARGS)
1.1       kristaps 2103: {
                   2104:
1.102     kristaps 2105:        term_fontpush(p, TERMFONT_UNDER);
1.334     schwarze 2106:        return 1;
                   2107: }
                   2108:
                   2109: static int
                   2110: termp_em_pre(DECL_ARGS)
                   2111: {
                   2112:        if (n->child != NULL &&
                   2113:            n->child->type == ROFFT_TEXT)
                   2114:                tag_put(n->child->string, 0, p->line);
                   2115:        term_fontpush(p, TERMFONT_UNDER);
                   2116:        return 1;
                   2117: }
                   2118:
                   2119: static int
                   2120: termp_sy_pre(DECL_ARGS)
                   2121: {
                   2122:        if (n->child != NULL &&
                   2123:            n->child->type == ROFFT_TEXT)
                   2124:                tag_put(n->child->string, 0, p->line);
                   2125:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 2126:        return 1;
1.323     schwarze 2127: }
                   2128:
                   2129: static int
                   2130: termp_er_pre(DECL_ARGS)
                   2131: {
                   2132:
                   2133:        if (n->sec == SEC_ERRORS &&
                   2134:            (n->parent->tok == MDOC_It ||
                   2135:             (n->parent->tok == MDOC_Bq &&
1.324     schwarze 2136:              n->parent->parent->parent->tok == MDOC_It)))
                   2137:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2138:        return 1;
1.320     schwarze 2139: }
                   2140:
                   2141: static int
                   2142: termp_tag_pre(DECL_ARGS)
                   2143: {
                   2144:
                   2145:        if (n->child != NULL &&
                   2146:            n->child->type == ROFFT_TEXT &&
1.333     schwarze 2147:            (n->prev == NULL ||
                   2148:             (n->prev->type == ROFFT_TEXT &&
                   2149:              strcmp(n->prev->string, "|") == 0)) &&
1.320     schwarze 2150:            (n->parent->tok == MDOC_It ||
                   2151:             (n->parent->tok == MDOC_Xo &&
                   2152:              n->parent->parent->prev == NULL &&
1.324     schwarze 2153:              n->parent->parent->parent->tok == MDOC_It)))
                   2154:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2155:        return 1;
1.84      kristaps 2156: }

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