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Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.241

1.241   ! schwarze    1: /*     $OpenBSD: mdoc_term.c,v 1.240 2017/01/11 17:39:45 schwarze Exp $ */
1.1       kristaps    2: /*
1.122     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.238     schwarze    4:  * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
1.158     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
1.2       schwarze    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:  *
1.213     schwarze   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2       schwarze   12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.213     schwarze   13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2       schwarze   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:  */
                     19: #include <sys/types.h>
                     20:
                     21: #include <assert.h>
                     22: #include <ctype.h>
1.201     schwarze   23: #include <limits.h>
1.77      schwarze   24: #include <stdint.h>
1.1       kristaps   25: #include <stdio.h>
                     26: #include <stdlib.h>
                     27: #include <string.h>
                     28:
1.213     schwarze   29: #include "mandoc_aux.h"
1.81      schwarze   30: #include "mandoc.h"
1.213     schwarze   31: #include "roff.h"
                     32: #include "mdoc.h"
1.61      schwarze   33: #include "out.h"
1.1       kristaps   34: #include "term.h"
1.219     schwarze   35: #include "tag.h"
1.61      schwarze   36: #include "main.h"
1.54      schwarze   37:
1.1       kristaps   38: struct termpair {
                     39:        struct termpair  *ppair;
1.27      schwarze   40:        int               count;
1.1       kristaps   41: };
                     42:
1.29      schwarze   43: #define        DECL_ARGS struct termp *p, \
                     44:                  struct termpair *pair, \
1.215     schwarze   45:                  const struct roff_meta *meta, \
1.214     schwarze   46:                  struct roff_node *n
1.1       kristaps   47:
                     48: struct termact {
                     49:        int     (*pre)(DECL_ARGS);
                     50:        void    (*post)(DECL_ARGS);
                     51: };
1.29      schwarze   52:
1.201     schwarze   53: static int       a2width(const struct termp *, const char *);
1.62      schwarze   54:
                     55: static void      print_bvspace(struct termp *,
1.214     schwarze   56:                        const struct roff_node *,
                     57:                        const struct roff_node *);
1.166     schwarze   58: static void      print_mdoc_node(DECL_ARGS);
1.65      schwarze   59: static void      print_mdoc_nodelist(DECL_ARGS);
1.215     schwarze   60: static void      print_mdoc_head(struct termp *, const struct roff_meta *);
                     61: static void      print_mdoc_foot(struct termp *, const struct roff_meta *);
1.166     schwarze   62: static void      synopsis_pre(struct termp *,
1.214     schwarze   63:                        const struct roff_node *);
1.62      schwarze   64:
1.29      schwarze   65: static void      termp____post(DECL_ARGS);
1.120     schwarze   66: static void      termp__t_post(DECL_ARGS);
1.29      schwarze   67: static void      termp_bd_post(DECL_ARGS);
1.90      schwarze   68: static void      termp_bk_post(DECL_ARGS);
1.29      schwarze   69: static void      termp_bl_post(DECL_ARGS);
1.205     schwarze   70: static void      termp_eo_post(DECL_ARGS);
1.143     schwarze   71: static void      termp_fd_post(DECL_ARGS);
1.29      schwarze   72: static void      termp_fo_post(DECL_ARGS);
                     73: static void      termp_in_post(DECL_ARGS);
                     74: static void      termp_it_post(DECL_ARGS);
                     75: static void      termp_lb_post(DECL_ARGS);
1.94      schwarze   76: static void      termp_nm_post(DECL_ARGS);
1.29      schwarze   77: static void      termp_pf_post(DECL_ARGS);
1.107     schwarze   78: static void      termp_quote_post(DECL_ARGS);
1.29      schwarze   79: static void      termp_sh_post(DECL_ARGS);
                     80: static void      termp_ss_post(DECL_ARGS);
1.238     schwarze   81: static void      termp_xx_post(DECL_ARGS);
1.29      schwarze   82:
1.104     schwarze   83: static int       termp__a_pre(DECL_ARGS);
1.120     schwarze   84: static int       termp__t_pre(DECL_ARGS);
1.49      schwarze   85: static int       termp_an_pre(DECL_ARGS);
1.29      schwarze   86: static int       termp_ap_pre(DECL_ARGS);
                     87: static int       termp_bd_pre(DECL_ARGS);
                     88: static int       termp_bf_pre(DECL_ARGS);
1.90      schwarze   89: static int       termp_bk_pre(DECL_ARGS);
1.73      schwarze   90: static int       termp_bl_pre(DECL_ARGS);
1.54      schwarze   91: static int       termp_bold_pre(DECL_ARGS);
1.29      schwarze   92: static int       termp_cd_pre(DECL_ARGS);
                     93: static int       termp_d1_pre(DECL_ARGS);
1.205     schwarze   94: static int       termp_eo_pre(DECL_ARGS);
1.233     schwarze   95: static int       termp_em_pre(DECL_ARGS);
1.222     schwarze   96: static int       termp_er_pre(DECL_ARGS);
1.29      schwarze   97: static int       termp_ex_pre(DECL_ARGS);
                     98: static int       termp_fa_pre(DECL_ARGS);
1.107     schwarze   99: static int       termp_fd_pre(DECL_ARGS);
1.29      schwarze  100: static int       termp_fl_pre(DECL_ARGS);
                    101: static int       termp_fn_pre(DECL_ARGS);
                    102: static int       termp_fo_pre(DECL_ARGS);
                    103: static int       termp_ft_pre(DECL_ARGS);
                    104: static int       termp_in_pre(DECL_ARGS);
                    105: static int       termp_it_pre(DECL_ARGS);
1.65      schwarze  106: static int       termp_li_pre(DECL_ARGS);
1.162     schwarze  107: static int       termp_ll_pre(DECL_ARGS);
1.29      schwarze  108: static int       termp_lk_pre(DECL_ARGS);
                    109: static int       termp_nd_pre(DECL_ARGS);
                    110: static int       termp_nm_pre(DECL_ARGS);
                    111: static int       termp_ns_pre(DECL_ARGS);
1.107     schwarze  112: static int       termp_quote_pre(DECL_ARGS);
1.29      schwarze  113: static int       termp_rs_pre(DECL_ARGS);
                    114: static int       termp_sh_pre(DECL_ARGS);
1.193     schwarze  115: static int       termp_skip_pre(DECL_ARGS);
1.29      schwarze  116: static int       termp_sm_pre(DECL_ARGS);
1.38      schwarze  117: static int       termp_sp_pre(DECL_ARGS);
1.29      schwarze  118: static int       termp_ss_pre(DECL_ARGS);
1.233     schwarze  119: static int       termp_sy_pre(DECL_ARGS);
1.219     schwarze  120: static int       termp_tag_pre(DECL_ARGS);
1.54      schwarze  121: static int       termp_under_pre(DECL_ARGS);
1.69      schwarze  122: static int       termp_vt_pre(DECL_ARGS);
1.29      schwarze  123: static int       termp_xr_pre(DECL_ARGS);
                    124: static int       termp_xx_pre(DECL_ARGS);
1.1       kristaps  125:
1.54      schwarze  126: static const struct termact termacts[MDOC_MAX] = {
1.11      schwarze  127:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  128:        { NULL, NULL }, /* Dd */
                    129:        { NULL, NULL }, /* Dt */
                    130:        { NULL, NULL }, /* Os */
                    131:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.166     schwarze  132:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    133:        { termp_sp_pre, NULL }, /* Pp */
1.143     schwarze  134:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    135:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  136:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    137:        { NULL, NULL }, /* Ed */
1.73      schwarze  138:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  139:        { NULL, NULL }, /* El */
                    140:        { termp_it_pre, termp_it_post }, /* It */
1.166     schwarze  141:        { termp_under_pre, NULL }, /* Ad */
1.181     schwarze  142:        { termp_an_pre, NULL }, /* An */
1.54      schwarze  143:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  144:        { termp_cd_pre, NULL }, /* Cd */
1.54      schwarze  145:        { termp_bold_pre, NULL }, /* Cm */
1.224     schwarze  146:        { termp_li_pre, NULL }, /* Dv */
1.222     schwarze  147:        { termp_er_pre, NULL }, /* Er */
1.219     schwarze  148:        { termp_tag_pre, NULL }, /* Ev */
1.1       kristaps  149:        { termp_ex_pre, NULL }, /* Ex */
1.166     schwarze  150:        { termp_fa_pre, NULL }, /* Fa */
                    151:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  152:        { termp_fl_pre, NULL }, /* Fl */
1.166     schwarze  153:        { termp_fn_pre, NULL }, /* Fn */
                    154:        { termp_ft_pre, NULL }, /* Ft */
                    155:        { termp_bold_pre, NULL }, /* Ic */
                    156:        { termp_in_pre, termp_in_post }, /* In */
1.65      schwarze  157:        { termp_li_pre, NULL }, /* Li */
1.166     schwarze  158:        { termp_nd_pre, NULL }, /* Nd */
                    159:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.107     schwarze  160:        { termp_quote_pre, termp_quote_post }, /* Op */
1.170     schwarze  161:        { termp_ft_pre, NULL }, /* Ot */
1.54      schwarze  162:        { termp_under_pre, NULL }, /* Pa */
1.240     schwarze  163:        { termp_ex_pre, NULL }, /* Rv */
1.166     schwarze  164:        { NULL, NULL }, /* St */
1.54      schwarze  165:        { termp_under_pre, NULL }, /* Va */
1.86      schwarze  166:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  167:        { termp_xr_pre, NULL }, /* Xr */
1.104     schwarze  168:        { termp__a_pre, termp____post }, /* %A */
1.58      schwarze  169:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  170:        { NULL, termp____post }, /* %D */
1.58      schwarze  171:        { termp_under_pre, termp____post }, /* %I */
1.54      schwarze  172:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  173:        { NULL, termp____post }, /* %N */
                    174:        { NULL, termp____post }, /* %O */
                    175:        { NULL, termp____post }, /* %P */
                    176:        { NULL, termp____post }, /* %R */
1.120     schwarze  177:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  178:        { NULL, termp____post }, /* %V */
                    179:        { NULL, NULL }, /* Ac */
1.107     schwarze  180:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    181:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.32      schwarze  182:        { NULL, NULL }, /* At */
1.1       kristaps  183:        { NULL, NULL }, /* Bc */
1.166     schwarze  184:        { termp_bf_pre, NULL }, /* Bf */
1.107     schwarze  185:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    186:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.238     schwarze  187:        { termp_xx_pre, termp_xx_post }, /* Bsx */
1.239     schwarze  188:        { NULL, NULL }, /* Bx */
1.193     schwarze  189:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  190:        { NULL, NULL }, /* Dc */
1.107     schwarze  191:        { termp_quote_pre, termp_quote_post }, /* Do */
                    192:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.73      schwarze  193:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  194:        { NULL, NULL }, /* Ef */
1.233     schwarze  195:        { termp_em_pre, NULL }, /* Em */
1.205     schwarze  196:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.238     schwarze  197:        { termp_xx_pre, termp_xx_post }, /* Fx */
1.98      schwarze  198:        { termp_bold_pre, NULL }, /* Ms */
1.189     schwarze  199:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  200:        { termp_ns_pre, NULL }, /* Ns */
1.238     schwarze  201:        { termp_xx_pre, termp_xx_post }, /* Nx */
                    202:        { termp_xx_pre, termp_xx_post }, /* Ox */
1.1       kristaps  203:        { NULL, NULL }, /* Pc */
1.156     schwarze  204:        { NULL, termp_pf_post }, /* Pf */
1.107     schwarze  205:        { termp_quote_pre, termp_quote_post }, /* Po */
                    206:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  207:        { NULL, NULL }, /* Qc */
1.107     schwarze  208:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    209:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    210:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  211:        { NULL, NULL }, /* Re */
                    212:        { termp_rs_pre, NULL }, /* Rs */
                    213:        { NULL, NULL }, /* Sc */
1.107     schwarze  214:        { termp_quote_pre, termp_quote_post }, /* So */
                    215:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  216:        { termp_sm_pre, NULL }, /* Sm */
1.54      schwarze  217:        { termp_under_pre, NULL }, /* Sx */
1.233     schwarze  218:        { termp_sy_pre, NULL }, /* Sy */
1.1       kristaps  219:        { NULL, NULL }, /* Tn */
1.238     schwarze  220:        { termp_xx_pre, termp_xx_post }, /* Ux */
1.1       kristaps  221:        { NULL, NULL }, /* Xc */
                    222:        { NULL, NULL }, /* Xo */
1.166     schwarze  223:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    224:        { NULL, NULL }, /* Fc */
1.107     schwarze  225:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  226:        { NULL, NULL }, /* Oc */
1.90      schwarze  227:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  228:        { NULL, NULL }, /* Ek */
1.240     schwarze  229:        { NULL, NULL }, /* Bt */
1.1       kristaps  230:        { NULL, NULL }, /* Hf */
1.170     schwarze  231:        { termp_under_pre, NULL }, /* Fr */
1.240     schwarze  232:        { NULL, NULL }, /* Ud */
1.32      schwarze  233:        { NULL, termp_lb_post }, /* Lb */
1.166     schwarze  234:        { termp_sp_pre, NULL }, /* Lp */
                    235:        { termp_lk_pre, NULL }, /* Lk */
                    236:        { termp_under_pre, NULL }, /* Mt */
                    237:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    238:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    239:        { NULL, NULL }, /* Brc */
                    240:        { NULL, termp____post }, /* %C */
1.193     schwarze  241:        { termp_skip_pre, NULL }, /* Es */
1.170     schwarze  242:        { termp_quote_pre, termp_quote_post }, /* En */
1.238     schwarze  243:        { termp_xx_pre, termp_xx_post }, /* Dx */
1.166     schwarze  244:        { NULL, termp____post }, /* %Q */
1.54      schwarze  245:        { termp_sp_pre, NULL }, /* br */
1.166     schwarze  246:        { termp_sp_pre, NULL }, /* sp */
                    247:        { NULL, termp____post }, /* %U */
                    248:        { NULL, NULL }, /* Ta */
1.162     schwarze  249:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  250: };
                    251:
1.221     schwarze  252: static int      fn_prio;
1.1       kristaps  253:
1.55      schwarze  254: void
1.217     schwarze  255: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1       kristaps  256: {
1.214     schwarze  257:        struct roff_node        *n;
1.61      schwarze  258:        struct termp            *p;
1.241   ! schwarze  259:        size_t                   save_defindent;
1.61      schwarze  260:
                    261:        p = (struct termp *)arg;
1.71      schwarze  262:        p->overstep = 0;
1.180     schwarze  263:        p->rmargin = p->maxrmargin = p->defrmargin;
1.89      schwarze  264:        p->tabwidth = term_len(p, 5);
1.55      schwarze  265:
1.218     schwarze  266:        n = mdoc->first->child;
1.180     schwarze  267:        if (p->synopsisonly) {
                    268:                while (n != NULL) {
                    269:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    270:                                if (n->child->next->child != NULL)
                    271:                                        print_mdoc_nodelist(p, NULL,
1.218     schwarze  272:                                            &mdoc->meta,
                    273:                                            n->child->next->child);
1.180     schwarze  274:                                term_newln(p);
                    275:                                break;
                    276:                        }
                    277:                        n = n->next;
                    278:                }
                    279:        } else {
1.241   ! schwarze  280:                save_defindent = p->defindent;
1.180     schwarze  281:                if (p->defindent == 0)
                    282:                        p->defindent = 5;
1.218     schwarze  283:                term_begin(p, print_mdoc_head, print_mdoc_foot,
                    284:                    &mdoc->meta);
1.236     schwarze  285:                while (n != NULL && n->flags & NODE_NOPRT)
                    286:                        n = n->next;
1.180     schwarze  287:                if (n != NULL) {
                    288:                        if (n->tok != MDOC_Sh)
                    289:                                term_vspace(p);
1.218     schwarze  290:                        print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180     schwarze  291:                }
                    292:                term_end(p);
1.241   ! schwarze  293:                p->defindent = save_defindent;
1.173     schwarze  294:        }
1.1       kristaps  295: }
                    296:
                    297: static void
1.65      schwarze  298: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  299: {
                    300:
1.203     schwarze  301:        while (n != NULL) {
                    302:                print_mdoc_node(p, pair, meta, n);
                    303:                n = n->next;
                    304:        }
1.1       kristaps  305: }
                    306:
                    307: static void
1.65      schwarze  308: print_mdoc_node(DECL_ARGS)
1.1       kristaps  309: {
1.65      schwarze  310:        int              chld;
1.1       kristaps  311:        struct termpair  npair;
1.28      schwarze  312:        size_t           offset, rmargin;
1.1       kristaps  313:
1.236     schwarze  314:        if (n->flags & NODE_NOPRT)
                    315:                return;
                    316:
1.54      schwarze  317:        chld = 1;
1.28      schwarze  318:        offset = p->offset;
                    319:        rmargin = p->rmargin;
1.237     schwarze  320:        n->flags &= ~NODE_ENDED;
1.204     schwarze  321:        n->prev_font = p->fonti;
1.1       kristaps  322:
1.63      schwarze  323:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  324:        npair.ppair = pair;
1.65      schwarze  325:
1.95      schwarze  326:        /*
                    327:         * Keeps only work until the end of a line.  If a keep was
                    328:         * invoked in a prior line, revert it to PREKEEP.
                    329:         */
                    330:
1.237     schwarze  331:        if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206     schwarze  332:                p->flags &= ~TERMP_KEEP;
                    333:                p->flags |= TERMP_PREKEEP;
1.95      schwarze  334:        }
1.116     schwarze  335:
                    336:        /*
1.128     schwarze  337:         * After the keep flags have been set up, we may now
                    338:         * produce output.  Note that some pre-handlers do so.
                    339:         */
                    340:
                    341:        switch (n->type) {
1.213     schwarze  342:        case ROFFT_TEXT:
1.237     schwarze  343:                if (' ' == *n->string && NODE_LINE & n->flags)
1.128     schwarze  344:                        term_newln(p);
1.237     schwarze  345:                if (NODE_DELIMC & n->flags)
1.132     schwarze  346:                        p->flags |= TERMP_NOSPACE;
1.128     schwarze  347:                term_word(p, n->string);
1.237     schwarze  348:                if (NODE_DELIMO & n->flags)
1.132     schwarze  349:                        p->flags |= TERMP_NOSPACE;
1.128     schwarze  350:                break;
1.213     schwarze  351:        case ROFFT_EQN:
1.237     schwarze  352:                if ( ! (n->flags & NODE_LINE))
1.183     schwarze  353:                        p->flags |= TERMP_NOSPACE;
1.135     schwarze  354:                term_eqn(p, n->eqn);
1.237     schwarze  355:                if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184     schwarze  356:                        p->flags |= TERMP_NOSPACE;
1.131     schwarze  357:                break;
1.213     schwarze  358:        case ROFFT_TBL:
1.212     schwarze  359:                if (p->tbl.cols == NULL)
                    360:                        term_newln(p);
1.128     schwarze  361:                term_tbl(p, n->span);
                    362:                break;
                    363:        default:
1.194     schwarze  364:                if (termacts[n->tok].pre &&
1.230     schwarze  365:                    (n->end == ENDBODY_NOT || n->child != NULL))
1.128     schwarze  366:                        chld = (*termacts[n->tok].pre)
1.147     schwarze  367:                                (p, &npair, meta, n);
1.128     schwarze  368:                break;
                    369:        }
1.95      schwarze  370:
1.60      schwarze  371:        if (chld && n->child)
1.147     schwarze  372:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  373:
1.146     schwarze  374:        term_fontpopq(p,
1.209     schwarze  375:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1       kristaps  376:
1.122     schwarze  377:        switch (n->type) {
1.213     schwarze  378:        case ROFFT_TEXT:
1.122     schwarze  379:                break;
1.213     schwarze  380:        case ROFFT_TBL:
1.131     schwarze  381:                break;
1.213     schwarze  382:        case ROFFT_EQN:
1.122     schwarze  383:                break;
                    384:        default:
1.237     schwarze  385:                if ( ! termacts[n->tok].post || NODE_ENDED & n->flags)
1.122     schwarze  386:                        break;
1.147     schwarze  387:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93      schwarze  388:
                    389:                /*
                    390:                 * Explicit end tokens not only call the post
                    391:                 * handler, but also tell the respective block
                    392:                 * that it must not call the post handler again.
                    393:                 */
1.95      schwarze  394:                if (ENDBODY_NOT != n->end)
1.237     schwarze  395:                        n->body->flags |= NODE_ENDED;
1.93      schwarze  396:
                    397:                /*
                    398:                 * End of line terminating an implicit block
                    399:                 * while an explicit block is still open.
                    400:                 * Continue the explicit block without spacing.
                    401:                 */
                    402:                if (ENDBODY_NOSPACE == n->end)
                    403:                        p->flags |= TERMP_NOSPACE;
1.122     schwarze  404:                break;
1.93      schwarze  405:        }
1.28      schwarze  406:
1.237     schwarze  407:        if (NODE_EOS & n->flags)
1.78      schwarze  408:                p->flags |= TERMP_SENTENCE;
                    409:
1.162     schwarze  410:        if (MDOC_ll != n->tok) {
                    411:                p->offset = offset;
                    412:                p->rmargin = rmargin;
                    413:        }
1.1       kristaps  414: }
                    415:
                    416: static void
1.215     schwarze  417: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  418: {
1.191     schwarze  419:        size_t sz;
1.87      schwarze  420:
1.65      schwarze  421:        term_fontrepl(p, TERMFONT_NONE);
                    422:
1.166     schwarze  423:        /*
1.7       schwarze  424:         * Output the footer in new-groff style, that is, three columns
                    425:         * with the middle being the manual date and flanking columns
                    426:         * being the operating system:
                    427:         *
                    428:         * SYSTEM                  DATE                    SYSTEM
                    429:         */
                    430:
1.1       kristaps  431:        term_vspace(p);
                    432:
1.7       schwarze  433:        p->offset = 0;
1.191     schwarze  434:        sz = term_strlen(p, meta->date);
                    435:        p->rmargin = p->maxrmargin > sz ?
                    436:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152     schwarze  437:        p->trailspace = 1;
1.1       kristaps  438:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    439:
1.147     schwarze  440:        term_word(p, meta->os);
1.1       kristaps  441:        term_flushln(p);
                    442:
1.7       schwarze  443:        p->offset = p->rmargin;
1.191     schwarze  444:        sz = term_strlen(p, meta->os);
                    445:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136     schwarze  446:        p->flags |= TERMP_NOSPACE;
1.7       schwarze  447:
1.147     schwarze  448:        term_word(p, meta->date);
1.7       schwarze  449:        term_flushln(p);
                    450:
1.1       kristaps  451:        p->offset = p->rmargin;
                    452:        p->rmargin = p->maxrmargin;
1.152     schwarze  453:        p->trailspace = 0;
1.1       kristaps  454:        p->flags &= ~TERMP_NOBREAK;
1.136     schwarze  455:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  456:
1.147     schwarze  457:        term_word(p, meta->os);
1.1       kristaps  458:        term_flushln(p);
1.7       schwarze  459:
                    460:        p->offset = 0;
                    461:        p->rmargin = p->maxrmargin;
                    462:        p->flags = 0;
1.1       kristaps  463: }
                    464:
                    465: static void
1.215     schwarze  466: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  467: {
1.169     schwarze  468:        char                    *volume, *title;
                    469:        size_t                   vollen, titlen;
1.1       kristaps  470:
                    471:        /*
                    472:         * The header is strange.  It has three components, which are
                    473:         * really two with the first duplicated.  It goes like this:
                    474:         *
                    475:         * IDENTIFIER              TITLE                   IDENTIFIER
                    476:         *
                    477:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    478:         * (if given, or "unknown" if not) followed by the manual page
                    479:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    480:         * string depending on the manual volume.  If not specified, it
                    481:         * switches on the manual section.
                    482:         */
1.137     schwarze  483:
1.147     schwarze  484:        assert(meta->vol);
1.169     schwarze  485:        if (NULL == meta->arch)
                    486:                volume = mandoc_strdup(meta->vol);
                    487:        else
                    488:                mandoc_asprintf(&volume, "%s (%s)",
                    489:                    meta->vol, meta->arch);
                    490:        vollen = term_strlen(p, volume);
1.1       kristaps  491:
1.177     schwarze  492:        if (NULL == meta->msec)
                    493:                title = mandoc_strdup(meta->title);
                    494:        else
                    495:                mandoc_asprintf(&title, "%s(%s)",
                    496:                    meta->title, meta->msec);
1.137     schwarze  497:        titlen = term_strlen(p, title);
1.1       kristaps  498:
1.137     schwarze  499:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152     schwarze  500:        p->trailspace = 1;
1.1       kristaps  501:        p->offset = 0;
1.169     schwarze  502:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    503:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191     schwarze  504:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  505:
                    506:        term_word(p, title);
                    507:        term_flushln(p);
                    508:
1.137     schwarze  509:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  510:        p->offset = p->rmargin;
1.169     schwarze  511:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137     schwarze  512:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  513:
1.169     schwarze  514:        term_word(p, volume);
1.1       kristaps  515:        term_flushln(p);
                    516:
                    517:        p->flags &= ~TERMP_NOBREAK;
1.152     schwarze  518:        p->trailspace = 0;
1.137     schwarze  519:        if (p->rmargin + titlen <= p->maxrmargin) {
                    520:                p->flags |= TERMP_NOSPACE;
                    521:                p->offset = p->rmargin;
                    522:                p->rmargin = p->maxrmargin;
                    523:                term_word(p, title);
                    524:                term_flushln(p);
                    525:        }
1.1       kristaps  526:
1.137     schwarze  527:        p->flags &= ~TERMP_NOSPACE;
1.8       schwarze  528:        p->offset = 0;
1.1       kristaps  529:        p->rmargin = p->maxrmargin;
1.168     schwarze  530:        free(title);
1.169     schwarze  531:        free(volume);
1.1       kristaps  532: }
                    533:
1.201     schwarze  534: static int
1.89      schwarze  535: a2width(const struct termp *p, const char *v)
1.61      schwarze  536: {
                    537:        struct roffsu    su;
1.1       kristaps  538:
1.199     schwarze  539:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89      schwarze  540:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.182     schwarze  541:                su.scale /= term_strlen(p, "0");
1.201     schwarze  542:        }
1.227     schwarze  543:        return term_hspan(p, &su) / 24;
1.1       kristaps  544: }
                    545:
1.68      schwarze  546: /*
                    547:  * Determine how much space to print out before block elements of `It'
                    548:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    549:  * too.
                    550:  */
1.45      schwarze  551: static void
1.166     schwarze  552: print_bvspace(struct termp *p,
1.214     schwarze  553:        const struct roff_node *bl,
                    554:        const struct roff_node *n)
1.1       kristaps  555: {
1.214     schwarze  556:        const struct roff_node  *nn;
1.138     schwarze  557:
                    558:        assert(n);
1.1       kristaps  559:
                    560:        term_newln(p);
1.88      schwarze  561:
1.121     schwarze  562:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88      schwarze  563:                return;
1.121     schwarze  564:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45      schwarze  565:                return;
                    566:
1.60      schwarze  567:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  568:
1.188     schwarze  569:        nn = n;
1.236     schwarze  570:        while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
                    571:                nn = nn->prev;
1.188     schwarze  572:        while (nn->prev == NULL) {
                    573:                do {
                    574:                        nn = nn->parent;
1.213     schwarze  575:                        if (nn->type == ROFFT_ROOT)
1.188     schwarze  576:                                return;
1.213     schwarze  577:                } while (nn->type != ROFFT_BLOCK);
1.188     schwarze  578:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45      schwarze  579:                        return;
1.188     schwarze  580:                if (nn->tok == MDOC_It &&
                    581:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    582:                        break;
1.1       kristaps  583:        }
                    584:
1.60      schwarze  585:        /* A `-column' does not assert vspace within the list. */
1.45      schwarze  586:
1.121     schwarze  587:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60      schwarze  588:                if (n->prev && MDOC_It == n->prev->tok)
1.45      schwarze  589:                        return;
                    590:
1.60      schwarze  591:        /* A `-diag' without body does not vspace. */
                    592:
1.121     schwarze  593:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60      schwarze  594:                if (n->prev && MDOC_It == n->prev->tok) {
                    595:                        assert(n->prev->body);
                    596:                        if (NULL == n->prev->body->child)
1.45      schwarze  597:                                return;
                    598:                }
                    599:
                    600:        term_vspace(p);
1.162     schwarze  601: }
                    602:
                    603:
                    604: static int
                    605: termp_ll_pre(DECL_ARGS)
                    606: {
                    607:
1.230     schwarze  608:        term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.227     schwarze  609:        return 0;
1.1       kristaps  610: }
                    611:
                    612: static int
                    613: termp_it_pre(DECL_ARGS)
                    614: {
1.201     schwarze  615:        char                    buf[24];
1.214     schwarze  616:        const struct roff_node *bl, *nn;
1.201     schwarze  617:        size_t                  ncols, dcol;
                    618:        int                     i, offset, width;
1.82      schwarze  619:        enum mdoc_list          type;
1.1       kristaps  620:
1.213     schwarze  621:        if (n->type == ROFFT_BLOCK) {
1.61      schwarze  622:                print_bvspace(p, n->parent->parent, n);
1.227     schwarze  623:                return 1;
1.45      schwarze  624:        }
1.1       kristaps  625:
1.60      schwarze  626:        bl = n->parent->parent->parent;
1.121     schwarze  627:        type = bl->norm->Bl.type;
1.1       kristaps  628:
1.166     schwarze  629:        /*
1.201     schwarze  630:         * Defaults for specific list types.
                    631:         */
                    632:
                    633:        switch (type) {
                    634:        case LIST_bullet:
                    635:        case LIST_dash:
                    636:        case LIST_hyphen:
                    637:        case LIST_enum:
                    638:                width = term_len(p, 2);
                    639:                break;
                    640:        case LIST_hang:
1.231     schwarze  641:        case LIST_tag:
1.201     schwarze  642:                width = term_len(p, 8);
                    643:                break;
                    644:        case LIST_column:
                    645:                width = term_len(p, 10);
                    646:                break;
                    647:        default:
                    648:                width = 0;
                    649:                break;
                    650:        }
                    651:        offset = 0;
                    652:
                    653:        /*
1.68      schwarze  654:         * First calculate width and offset.  This is pretty easy unless
                    655:         * we're a -column list, in which case all prior columns must
                    656:         * be accounted for.
                    657:         */
                    658:
1.201     schwarze  659:        if (bl->norm->Bl.offs != NULL) {
1.187     schwarze  660:                offset = a2width(p, bl->norm->Bl.offs);
1.201     schwarze  661:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    662:                        offset = -p->offset;
                    663:                else if (offset > SHRT_MAX)
                    664:                        offset = 0;
                    665:        }
1.66      schwarze  666:
1.1       kristaps  667:        switch (type) {
1.166     schwarze  668:        case LIST_column:
1.213     schwarze  669:                if (n->type == ROFFT_HEAD)
1.1       kristaps  670:                        break;
1.88      schwarze  671:
1.66      schwarze  672:                /*
1.68      schwarze  673:                 * Imitate groff's column handling:
                    674:                 * - For each earlier column, add its width.
                    675:                 * - For less than 5 columns, add four more blanks per
                    676:                 *   column.
                    677:                 * - For exactly 5 columns, add three more blank per
                    678:                 *   column.
                    679:                 * - For more than 5 columns, add only one column.
1.66      schwarze  680:                 */
1.121     schwarze  681:                ncols = bl->norm->Bl.ncols;
1.166     schwarze  682:                dcol = ncols < 5 ? term_len(p, 4) :
                    683:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68      schwarze  684:
1.85      schwarze  685:                /*
1.213     schwarze  686:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    687:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85      schwarze  688:                 */
                    689:
1.166     schwarze  690:                for (i = 0, nn = n->prev;
                    691:                    nn->prev && i < (int)ncols;
                    692:                    nn = nn->prev, i++)
                    693:                        offset += dcol + a2width(p,
                    694:                            bl->norm->Bl.cols[i]);
1.66      schwarze  695:
                    696:                /*
1.68      schwarze  697:                 * When exceeding the declared number of columns, leave
                    698:                 * the remaining widths at 0.  This will later be
                    699:                 * adjusted to the default width of 10, or, for the last
                    700:                 * column, stretched to the right margin.
1.46      schwarze  701:                 */
1.68      schwarze  702:                if (i >= (int)ncols)
                    703:                        break;
1.46      schwarze  704:
1.66      schwarze  705:                /*
1.68      schwarze  706:                 * Use the declared column widths, extended as explained
                    707:                 * in the preceding paragraph.
1.66      schwarze  708:                 */
1.121     schwarze  709:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  710:                break;
                    711:        default:
1.121     schwarze  712:                if (NULL == bl->norm->Bl.width)
1.68      schwarze  713:                        break;
                    714:
1.166     schwarze  715:                /*
1.68      schwarze  716:                 * Note: buffer the width by 2, which is groff's magic
                    717:                 * number for buffering single arguments.  See the above
                    718:                 * handling for column for how this changes.
                    719:                 */
1.121     schwarze  720:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201     schwarze  721:                if (width < 0 && (size_t)(-width) > p->offset)
                    722:                        width = -p->offset;
                    723:                else if (width > SHRT_MAX)
                    724:                        width = 0;
1.1       kristaps  725:                break;
                    726:        }
                    727:
1.166     schwarze  728:        /*
1.16      schwarze  729:         * Whitespace control.  Inset bodies need an initial space,
                    730:         * while diagonal bodies need two.
1.1       kristaps  731:         */
                    732:
1.42      schwarze  733:        p->flags |= TERMP_NOSPACE;
                    734:
1.1       kristaps  735:        switch (type) {
1.166     schwarze  736:        case LIST_diag:
1.213     schwarze  737:                if (n->type == ROFFT_BODY)
1.48      schwarze  738:                        term_word(p, "\\ \\ ");
1.42      schwarze  739:                break;
1.166     schwarze  740:        case LIST_inset:
1.230     schwarze  741:                if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42      schwarze  742:                        term_word(p, "\\ ");
1.1       kristaps  743:                break;
                    744:        default:
                    745:                break;
                    746:        }
                    747:
1.42      schwarze  748:        p->flags |= TERMP_NOSPACE;
                    749:
1.1       kristaps  750:        switch (type) {
1.166     schwarze  751:        case LIST_diag:
1.213     schwarze  752:                if (n->type == ROFFT_HEAD)
1.65      schwarze  753:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  754:                break;
                    755:        default:
                    756:                break;
                    757:        }
                    758:
                    759:        /*
1.68      schwarze  760:         * Pad and break control.  This is the tricky part.  These flags
                    761:         * are documented in term_flushln() in term.c.  Note that we're
                    762:         * going to unset all of these flags in termp_it_post() when we
                    763:         * exit.
1.1       kristaps  764:         */
                    765:
                    766:        switch (type) {
1.166     schwarze  767:        case LIST_enum:
1.228     schwarze  768:        case LIST_bullet:
                    769:        case LIST_dash:
                    770:        case LIST_hyphen:
1.144     schwarze  771:                /*
                    772:                 * Weird special case.
1.201     schwarze  773:                 * Some very narrow lists actually hang.
1.144     schwarze  774:                 */
1.201     schwarze  775:                if (width <= (int)term_len(p, 2))
                    776:                        p->flags |= TERMP_HANG;
1.213     schwarze  777:                if (n->type != ROFFT_HEAD)
1.152     schwarze  778:                        break;
                    779:                p->flags |= TERMP_NOBREAK;
                    780:                p->trailspace = 1;
1.33      schwarze  781:                break;
1.166     schwarze  782:        case LIST_hang:
1.213     schwarze  783:                if (n->type != ROFFT_HEAD)
1.47      schwarze  784:                        break;
                    785:
                    786:                /*
                    787:                 * This is ugly.  If `-hang' is specified and the body
                    788:                 * is a `Bl' or `Bd', then we want basically to nullify
                    789:                 * the "overstep" effect in term_flushln() and treat
                    790:                 * this as a `-ohang' list instead.
                    791:                 */
1.178     schwarze  792:                if (NULL != n->next &&
                    793:                    NULL != n->next->child &&
1.166     schwarze  794:                    (MDOC_Bl == n->next->child->tok ||
                    795:                     MDOC_Bd == n->next->child->tok))
1.152     schwarze  796:                        break;
                    797:
1.165     schwarze  798:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152     schwarze  799:                p->trailspace = 1;
1.33      schwarze  800:                break;
1.166     schwarze  801:        case LIST_tag:
1.213     schwarze  802:                if (n->type != ROFFT_HEAD)
1.33      schwarze  803:                        break;
1.152     schwarze  804:
1.225     schwarze  805:                p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152     schwarze  806:                p->trailspace = 2;
                    807:
1.60      schwarze  808:                if (NULL == n->next || NULL == n->next->child)
1.33      schwarze  809:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  810:                break;
1.166     schwarze  811:        case LIST_column:
1.213     schwarze  812:                if (n->type == ROFFT_HEAD)
1.85      schwarze  813:                        break;
                    814:
1.152     schwarze  815:                if (NULL == n->next) {
1.85      schwarze  816:                        p->flags &= ~TERMP_NOBREAK;
1.152     schwarze  817:                        p->trailspace = 0;
                    818:                } else {
1.85      schwarze  819:                        p->flags |= TERMP_NOBREAK;
1.152     schwarze  820:                        p->trailspace = 1;
                    821:                }
1.85      schwarze  822:
1.1       kristaps  823:                break;
1.166     schwarze  824:        case LIST_diag:
1.213     schwarze  825:                if (n->type != ROFFT_HEAD)
1.152     schwarze  826:                        break;
1.165     schwarze  827:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152     schwarze  828:                p->trailspace = 1;
1.1       kristaps  829:                break;
                    830:        default:
                    831:                break;
                    832:        }
                    833:
1.166     schwarze  834:        /*
1.1       kristaps  835:         * Margin control.  Set-head-width lists have their right
                    836:         * margins shortened.  The body for these lists has the offset
                    837:         * necessarily lengthened.  Everybody gets the offset.
                    838:         */
                    839:
                    840:        p->offset += offset;
                    841:
                    842:        switch (type) {
1.166     schwarze  843:        case LIST_hang:
1.47      schwarze  844:                /*
                    845:                 * Same stipulation as above, regarding `-hang'.  We
                    846:                 * don't want to recalculate rmargin and offsets when
                    847:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    848:                 */
1.213     schwarze  849:                if (n->type == ROFFT_HEAD &&
1.178     schwarze  850:                    NULL != n->next &&
                    851:                    NULL != n->next->child &&
1.166     schwarze  852:                    (MDOC_Bl == n->next->child->tok ||
                    853:                     MDOC_Bd == n->next->child->tok))
1.47      schwarze  854:                        break;
                    855:                /* FALLTHROUGH */
1.166     schwarze  856:        case LIST_bullet:
                    857:        case LIST_dash:
                    858:        case LIST_enum:
                    859:        case LIST_hyphen:
                    860:        case LIST_tag:
1.213     schwarze  861:                if (n->type == ROFFT_HEAD)
1.1       kristaps  862:                        p->rmargin = p->offset + width;
1.191     schwarze  863:                else
1.1       kristaps  864:                        p->offset += width;
                    865:                break;
1.166     schwarze  866:        case LIST_column:
1.41      schwarze  867:                assert(width);
1.1       kristaps  868:                p->rmargin = p->offset + width;
1.166     schwarze  869:                /*
1.43      schwarze  870:                 * XXX - this behaviour is not documented: the
                    871:                 * right-most column is filled to the right margin.
                    872:                 */
1.213     schwarze  873:                if (n->type == ROFFT_HEAD)
1.85      schwarze  874:                        break;
                    875:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43      schwarze  876:                        p->rmargin = p->maxrmargin;
1.1       kristaps  877:                break;
                    878:        default:
                    879:                break;
                    880:        }
                    881:
1.166     schwarze  882:        /*
1.1       kristaps  883:         * The dash, hyphen, bullet and enum lists all have a special
1.166     schwarze  884:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  885:         */
                    886:
1.213     schwarze  887:        if (n->type == ROFFT_HEAD)
1.1       kristaps  888:                switch (type) {
1.166     schwarze  889:                case LIST_bullet:
1.65      schwarze  890:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  891:                        term_word(p, "\\[bu]");
1.65      schwarze  892:                        term_fontpop(p);
1.1       kristaps  893:                        break;
1.166     schwarze  894:                case LIST_dash:
                    895:                case LIST_hyphen:
1.65      schwarze  896:                        term_fontpush(p, TERMFONT_BOLD);
1.229     schwarze  897:                        term_word(p, "-");
1.65      schwarze  898:                        term_fontpop(p);
1.1       kristaps  899:                        break;
1.166     schwarze  900:                case LIST_enum:
1.1       kristaps  901:                        (pair->ppair->ppair->count)++;
1.167     schwarze  902:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.166     schwarze  903:                            pair->ppair->ppair->count);
1.1       kristaps  904:                        term_word(p, buf);
                    905:                        break;
                    906:                default:
                    907:                        break;
                    908:                }
1.12      schwarze  909:
1.166     schwarze  910:        /*
1.1       kristaps  911:         * If we're not going to process our children, indicate so here.
                    912:         */
                    913:
                    914:        switch (type) {
1.166     schwarze  915:        case LIST_bullet:
                    916:        case LIST_item:
                    917:        case LIST_dash:
                    918:        case LIST_hyphen:
                    919:        case LIST_enum:
1.213     schwarze  920:                if (n->type == ROFFT_HEAD)
1.227     schwarze  921:                        return 0;
1.1       kristaps  922:                break;
1.166     schwarze  923:        case LIST_column:
1.213     schwarze  924:                if (n->type == ROFFT_HEAD)
1.227     schwarze  925:                        return 0;
1.1       kristaps  926:                break;
                    927:        default:
                    928:                break;
                    929:        }
                    930:
1.227     schwarze  931:        return 1;
1.1       kristaps  932: }
                    933:
                    934: static void
                    935: termp_it_post(DECL_ARGS)
                    936: {
1.82      schwarze  937:        enum mdoc_list     type;
1.1       kristaps  938:
1.213     schwarze  939:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  940:                return;
                    941:
1.121     schwarze  942:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  943:
                    944:        switch (type) {
1.166     schwarze  945:        case LIST_item:
                    946:        case LIST_diag:
                    947:        case LIST_inset:
1.213     schwarze  948:                if (n->type == ROFFT_BODY)
1.74      schwarze  949:                        term_newln(p);
1.1       kristaps  950:                break;
1.166     schwarze  951:        case LIST_column:
1.213     schwarze  952:                if (n->type == ROFFT_BODY)
1.1       kristaps  953:                        term_flushln(p);
                    954:                break;
                    955:        default:
1.74      schwarze  956:                term_newln(p);
1.1       kristaps  957:                break;
                    958:        }
                    959:
1.166     schwarze  960:        /*
1.68      schwarze  961:         * Now that our output is flushed, we can reset our tags.  Since
                    962:         * only `It' sets these flags, we're free to assume that nobody
                    963:         * has munged them in the meanwhile.
                    964:         */
                    965:
1.225     schwarze  966:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165     schwarze  967:                        TERMP_DANGLE | TERMP_HANG);
1.152     schwarze  968:        p->trailspace = 0;
1.1       kristaps  969: }
                    970:
                    971: static int
                    972: termp_nm_pre(DECL_ARGS)
                    973: {
1.195     schwarze  974:        const char      *cp;
1.1       kristaps  975:
1.213     schwarze  976:        if (n->type == ROFFT_BLOCK) {
1.155     schwarze  977:                p->flags |= TERMP_PREKEEP;
1.227     schwarze  978:                return 1;
1.155     schwarze  979:        }
1.94      schwarze  980:
1.213     schwarze  981:        if (n->type == ROFFT_BODY) {
1.94      schwarze  982:                if (NULL == n->child)
1.227     schwarze  983:                        return 0;
1.136     schwarze  984:                p->flags |= TERMP_NOSPACE;
1.195     schwarze  985:                cp = NULL;
                    986:                if (n->prev->child != NULL)
                    987:                    cp = n->prev->child->string;
                    988:                if (cp == NULL)
                    989:                        cp = meta->name;
                    990:                if (cp == NULL)
                    991:                        p->offset += term_len(p, 6);
                    992:                else
                    993:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227     schwarze  994:                return 1;
1.94      schwarze  995:        }
                    996:
1.147     schwarze  997:        if (NULL == n->child && NULL == meta->name)
1.227     schwarze  998:                return 0;
1.81      schwarze  999:
1.213     schwarze 1000:        if (n->type == ROFFT_HEAD)
1.97      schwarze 1001:                synopsis_pre(p, n->parent);
1.65      schwarze 1002:
1.213     schwarze 1003:        if (n->type == ROFFT_HEAD &&
1.178     schwarze 1004:            NULL != n->next && NULL != n->next->child) {
1.165     schwarze 1005:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152     schwarze 1006:                p->trailspace = 1;
1.105     schwarze 1007:                p->rmargin = p->offset + term_len(p, 1);
                   1008:                if (NULL == n->child) {
1.147     schwarze 1009:                        p->rmargin += term_strlen(p, meta->name);
1.213     schwarze 1010:                } else if (n->child->type == ROFFT_TEXT) {
1.105     schwarze 1011:                        p->rmargin += term_strlen(p, n->child->string);
                   1012:                        if (n->child->next)
                   1013:                                p->flags |= TERMP_HANG;
                   1014:                } else {
                   1015:                        p->rmargin += term_len(p, 5);
                   1016:                        p->flags |= TERMP_HANG;
                   1017:                }
1.94      schwarze 1018:        }
                   1019:
1.65      schwarze 1020:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 1021:        if (NULL == n->child)
1.147     schwarze 1022:                term_word(p, meta->name);
1.227     schwarze 1023:        return 1;
1.1       kristaps 1024: }
                   1025:
1.94      schwarze 1026: static void
                   1027: termp_nm_post(DECL_ARGS)
                   1028: {
                   1029:
1.213     schwarze 1030:        if (n->type == ROFFT_BLOCK) {
1.155     schwarze 1031:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213     schwarze 1032:        } else if (n->type == ROFFT_HEAD &&
1.178     schwarze 1033:            NULL != n->next && NULL != n->next->child) {
1.94      schwarze 1034:                term_flushln(p);
1.165     schwarze 1035:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152     schwarze 1036:                p->trailspace = 0;
1.213     schwarze 1037:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94      schwarze 1038:                term_flushln(p);
                   1039: }
                   1040:
1.1       kristaps 1041: static int
                   1042: termp_fl_pre(DECL_ARGS)
                   1043: {
                   1044:
1.219     schwarze 1045:        termp_tag_pre(p, pair, meta, n);
1.65      schwarze 1046:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1047:        term_word(p, "\\-");
1.67      schwarze 1048:
1.230     schwarze 1049:        if (!(n->child == NULL &&
1.179     schwarze 1050:            (n->next == NULL ||
1.213     schwarze 1051:             n->next->type == ROFFT_TEXT ||
1.237     schwarze 1052:             n->next->flags & NODE_LINE)))
1.73      schwarze 1053:                p->flags |= TERMP_NOSPACE;
1.67      schwarze 1054:
1.227     schwarze 1055:        return 1;
1.49      schwarze 1056: }
                   1057:
                   1058: static int
1.104     schwarze 1059: termp__a_pre(DECL_ARGS)
                   1060: {
                   1061:
                   1062:        if (n->prev && MDOC__A == n->prev->tok)
                   1063:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1064:                        term_word(p, "and");
                   1065:
1.227     schwarze 1066:        return 1;
1.104     schwarze 1067: }
                   1068:
                   1069: static int
1.49      schwarze 1070: termp_an_pre(DECL_ARGS)
                   1071: {
                   1072:
1.181     schwarze 1073:        if (n->norm->An.auth == AUTH_split) {
                   1074:                p->flags &= ~TERMP_NOSPLIT;
                   1075:                p->flags |= TERMP_SPLIT;
1.227     schwarze 1076:                return 0;
1.181     schwarze 1077:        }
                   1078:        if (n->norm->An.auth == AUTH_nosplit) {
                   1079:                p->flags &= ~TERMP_SPLIT;
                   1080:                p->flags |= TERMP_NOSPLIT;
1.227     schwarze 1081:                return 0;
1.181     schwarze 1082:        }
1.166     schwarze 1083:
1.181     schwarze 1084:        if (p->flags & TERMP_SPLIT)
1.49      schwarze 1085:                term_newln(p);
                   1086:
1.181     schwarze 1087:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1088:                p->flags |= TERMP_SPLIT;
1.49      schwarze 1089:
1.227     schwarze 1090:        return 1;
1.1       kristaps 1091: }
                   1092:
                   1093: static int
                   1094: termp_ns_pre(DECL_ARGS)
                   1095: {
                   1096:
1.237     schwarze 1097:        if ( ! (NODE_LINE & n->flags))
1.127     schwarze 1098:                p->flags |= TERMP_NOSPACE;
1.227     schwarze 1099:        return 1;
1.1       kristaps 1100: }
                   1101:
                   1102: static int
                   1103: termp_rs_pre(DECL_ARGS)
                   1104: {
                   1105:
1.60      schwarze 1106:        if (SEC_SEE_ALSO != n->sec)
1.227     schwarze 1107:                return 1;
1.213     schwarze 1108:        if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1       kristaps 1109:                term_vspace(p);
1.227     schwarze 1110:        return 1;
1.1       kristaps 1111: }
                   1112:
                   1113: static int
                   1114: termp_ex_pre(DECL_ARGS)
                   1115: {
1.132     schwarze 1116:        term_newln(p);
1.240     schwarze 1117:        return 1;
1.1       kristaps 1118: }
                   1119:
                   1120: static int
                   1121: termp_nd_pre(DECL_ARGS)
                   1122: {
1.25      schwarze 1123:
1.213     schwarze 1124:        if (n->type == ROFFT_BODY)
1.196     schwarze 1125:                term_word(p, "\\(en");
1.227     schwarze 1126:        return 1;
1.1       kristaps 1127: }
                   1128:
1.73      schwarze 1129: static int
                   1130: termp_bl_pre(DECL_ARGS)
                   1131: {
                   1132:
1.227     schwarze 1133:        return n->type != ROFFT_HEAD;
1.73      schwarze 1134: }
                   1135:
1.1       kristaps 1136: static void
                   1137: termp_bl_post(DECL_ARGS)
                   1138: {
                   1139:
1.213     schwarze 1140:        if (n->type == ROFFT_BLOCK)
1.1       kristaps 1141:                term_newln(p);
                   1142: }
                   1143:
                   1144: static int
                   1145: termp_xr_pre(DECL_ARGS)
                   1146: {
                   1147:
1.132     schwarze 1148:        if (NULL == (n = n->child))
1.227     schwarze 1149:                return 0;
1.72      schwarze 1150:
1.213     schwarze 1151:        assert(n->type == ROFFT_TEXT);
1.132     schwarze 1152:        term_word(p, n->string);
1.10      schwarze 1153:
1.166     schwarze 1154:        if (NULL == (n = n->next))
1.227     schwarze 1155:                return 0;
1.132     schwarze 1156:
1.1       kristaps 1157:        p->flags |= TERMP_NOSPACE;
                   1158:        term_word(p, "(");
1.132     schwarze 1159:        p->flags |= TERMP_NOSPACE;
                   1160:
1.213     schwarze 1161:        assert(n->type == ROFFT_TEXT);
1.132     schwarze 1162:        term_word(p, n->string);
                   1163:
                   1164:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1165:        term_word(p, ")");
1.60      schwarze 1166:
1.227     schwarze 1167:        return 0;
1.1       kristaps 1168: }
                   1169:
1.86      schwarze 1170: /*
                   1171:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1172:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1173:  * macro combos).
                   1174:  */
                   1175: static void
1.214     schwarze 1176: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86      schwarze 1177: {
1.166     schwarze 1178:        /*
1.86      schwarze 1179:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1180:         * exist, do nothing.
                   1181:         */
1.237     schwarze 1182:        if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86      schwarze 1183:                return;
                   1184:
                   1185:        /*
                   1186:         * If we're the second in a pair of like elements, emit our
                   1187:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1188:         * case we soldier on.
                   1189:         */
1.166     schwarze 1190:        if (n->prev->tok == n->tok &&
                   1191:            MDOC_Ft != n->tok &&
                   1192:            MDOC_Fo != n->tok &&
                   1193:            MDOC_Fn != n->tok) {
1.86      schwarze 1194:                term_newln(p);
                   1195:                return;
                   1196:        }
                   1197:
                   1198:        /*
                   1199:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1200:         * another (or Fn/Fo, which we've let slip through) then assert
                   1201:         * vertical space, else only newline and move on.
                   1202:         */
                   1203:        switch (n->prev->tok) {
1.166     schwarze 1204:        case MDOC_Fd:
                   1205:        case MDOC_Fn:
                   1206:        case MDOC_Fo:
                   1207:        case MDOC_In:
                   1208:        case MDOC_Vt:
1.86      schwarze 1209:                term_vspace(p);
                   1210:                break;
1.166     schwarze 1211:        case MDOC_Ft:
1.86      schwarze 1212:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1213:                        term_vspace(p);
                   1214:                        break;
                   1215:                }
                   1216:                /* FALLTHROUGH */
                   1217:        default:
                   1218:                term_newln(p);
                   1219:                break;
                   1220:        }
                   1221: }
                   1222:
1.69      schwarze 1223: static int
                   1224: termp_vt_pre(DECL_ARGS)
                   1225: {
                   1226:
1.213     schwarze 1227:        if (n->type == ROFFT_ELEM) {
1.86      schwarze 1228:                synopsis_pre(p, n);
1.227     schwarze 1229:                return termp_under_pre(p, pair, meta, n);
1.213     schwarze 1230:        } else if (n->type == ROFFT_BLOCK) {
1.86      schwarze 1231:                synopsis_pre(p, n);
1.227     schwarze 1232:                return 1;
1.213     schwarze 1233:        } else if (n->type == ROFFT_HEAD)
1.227     schwarze 1234:                return 0;
1.69      schwarze 1235:
1.227     schwarze 1236:        return termp_under_pre(p, pair, meta, n);
1.69      schwarze 1237: }
                   1238:
1.1       kristaps 1239: static int
1.54      schwarze 1240: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1241: {
                   1242:
1.219     schwarze 1243:        termp_tag_pre(p, pair, meta, n);
1.65      schwarze 1244:        term_fontpush(p, TERMFONT_BOLD);
1.227     schwarze 1245:        return 1;
1.1       kristaps 1246: }
                   1247:
1.86      schwarze 1248: static int
                   1249: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1250: {
                   1251:
1.86      schwarze 1252:        synopsis_pre(p, n);
1.227     schwarze 1253:        return termp_bold_pre(p, pair, meta, n);
1.1       kristaps 1254: }
                   1255:
1.143     schwarze 1256: static void
                   1257: termp_fd_post(DECL_ARGS)
                   1258: {
                   1259:
                   1260:        term_newln(p);
                   1261: }
                   1262:
1.1       kristaps 1263: static int
                   1264: termp_sh_pre(DECL_ARGS)
                   1265: {
1.60      schwarze 1266:
                   1267:        switch (n->type) {
1.213     schwarze 1268:        case ROFFT_BLOCK:
1.192     schwarze 1269:                /*
                   1270:                 * Vertical space before sections, except
                   1271:                 * when the previous section was empty.
                   1272:                 */
                   1273:                if (n->prev == NULL ||
1.221     schwarze 1274:                    n->prev->tok != MDOC_Sh ||
1.192     schwarze 1275:                    (n->prev->body != NULL &&
                   1276:                     n->prev->body->child != NULL))
                   1277:                        term_vspace(p);
1.52      schwarze 1278:                break;
1.213     schwarze 1279:        case ROFFT_HEAD:
1.65      schwarze 1280:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1281:                break;
1.213     schwarze 1282:        case ROFFT_BODY:
1.140     schwarze 1283:                p->offset = term_len(p, p->defindent);
1.221     schwarze 1284:                switch (n->sec) {
                   1285:                case SEC_DESCRIPTION:
                   1286:                        fn_prio = 0;
                   1287:                        break;
                   1288:                case SEC_AUTHORS:
1.141     schwarze 1289:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221     schwarze 1290:                        break;
                   1291:                default:
                   1292:                        break;
                   1293:                }
1.1       kristaps 1294:                break;
                   1295:        default:
                   1296:                break;
                   1297:        }
1.227     schwarze 1298:        return 1;
1.1       kristaps 1299: }
                   1300:
                   1301: static void
                   1302: termp_sh_post(DECL_ARGS)
                   1303: {
                   1304:
1.60      schwarze 1305:        switch (n->type) {
1.213     schwarze 1306:        case ROFFT_HEAD:
1.1       kristaps 1307:                term_newln(p);
                   1308:                break;
1.213     schwarze 1309:        case ROFFT_BODY:
1.1       kristaps 1310:                term_newln(p);
                   1311:                p->offset = 0;
                   1312:                break;
                   1313:        default:
                   1314:                break;
                   1315:        }
                   1316: }
                   1317:
                   1318: static void
                   1319: termp_lb_post(DECL_ARGS)
                   1320: {
                   1321:
1.237     schwarze 1322:        if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57      schwarze 1323:                term_newln(p);
1.1       kristaps 1324: }
                   1325:
                   1326: static int
                   1327: termp_d1_pre(DECL_ARGS)
                   1328: {
                   1329:
1.213     schwarze 1330:        if (n->type != ROFFT_BLOCK)
1.227     schwarze 1331:                return 1;
1.1       kristaps 1332:        term_newln(p);
1.140     schwarze 1333:        p->offset += term_len(p, p->defindent + 1);
1.227     schwarze 1334:        return 1;
1.1       kristaps 1335: }
                   1336:
                   1337: static int
                   1338: termp_ft_pre(DECL_ARGS)
                   1339: {
                   1340:
1.237     schwarze 1341:        /* NB: NODE_LINE does not effect this! */
1.86      schwarze 1342:        synopsis_pre(p, n);
1.65      schwarze 1343:        term_fontpush(p, TERMFONT_UNDER);
1.227     schwarze 1344:        return 1;
1.1       kristaps 1345: }
                   1346:
                   1347: static int
                   1348: termp_fn_pre(DECL_ARGS)
                   1349: {
1.159     schwarze 1350:        size_t           rmargin = 0;
1.132     schwarze 1351:        int              pretty;
                   1352:
1.237     schwarze 1353:        pretty = NODE_SYNPRETTY & n->flags;
1.1       kristaps 1354:
1.86      schwarze 1355:        synopsis_pre(p, n);
1.85      schwarze 1356:
1.132     schwarze 1357:        if (NULL == (n = n->child))
1.227     schwarze 1358:                return 0;
1.132     schwarze 1359:
1.153     schwarze 1360:        if (pretty) {
                   1361:                rmargin = p->rmargin;
1.159     schwarze 1362:                p->rmargin = p->offset + term_len(p, 4);
1.165     schwarze 1363:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153     schwarze 1364:        }
                   1365:
1.213     schwarze 1366:        assert(n->type == ROFFT_TEXT);
1.65      schwarze 1367:        term_fontpush(p, TERMFONT_BOLD);
1.132     schwarze 1368:        term_word(p, n->string);
1.65      schwarze 1369:        term_fontpop(p);
1.1       kristaps 1370:
1.235     schwarze 1371:        if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223     schwarze 1372:                tag_put(n->string, ++fn_prio, p->line);
1.221     schwarze 1373:
1.153     schwarze 1374:        if (pretty) {
                   1375:                term_flushln(p);
1.165     schwarze 1376:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153     schwarze 1377:                p->offset = p->rmargin;
                   1378:                p->rmargin = rmargin;
                   1379:        }
                   1380:
1.1       kristaps 1381:        p->flags |= TERMP_NOSPACE;
                   1382:        term_word(p, "(");
1.132     schwarze 1383:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1384:
1.132     schwarze 1385:        for (n = n->next; n; n = n->next) {
1.213     schwarze 1386:                assert(n->type == ROFFT_TEXT);
1.65      schwarze 1387:                term_fontpush(p, TERMFONT_UNDER);
1.157     schwarze 1388:                if (pretty)
                   1389:                        p->flags |= TERMP_NBRWORD;
1.132     schwarze 1390:                term_word(p, n->string);
1.65      schwarze 1391:                term_fontpop(p);
                   1392:
1.132     schwarze 1393:                if (n->next) {
                   1394:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1395:                        term_word(p, ",");
1.132     schwarze 1396:                }
1.1       kristaps 1397:        }
                   1398:
1.132     schwarze 1399:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1400:        term_word(p, ")");
                   1401:
1.132     schwarze 1402:        if (pretty) {
                   1403:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1404:                term_word(p, ";");
1.153     schwarze 1405:                term_flushln(p);
1.132     schwarze 1406:        }
1.1       kristaps 1407:
1.227     schwarze 1408:        return 0;
1.1       kristaps 1409: }
                   1410:
                   1411: static int
                   1412: termp_fa_pre(DECL_ARGS)
                   1413: {
1.214     schwarze 1414:        const struct roff_node  *nn;
1.1       kristaps 1415:
1.60      schwarze 1416:        if (n->parent->tok != MDOC_Fo) {
1.65      schwarze 1417:                term_fontpush(p, TERMFONT_UNDER);
1.227     schwarze 1418:                return 1;
1.1       kristaps 1419:        }
                   1420:
1.60      schwarze 1421:        for (nn = n->child; nn; nn = nn->next) {
1.65      schwarze 1422:                term_fontpush(p, TERMFONT_UNDER);
1.160     schwarze 1423:                p->flags |= TERMP_NBRWORD;
1.60      schwarze 1424:                term_word(p, nn->string);
1.65      schwarze 1425:                term_fontpop(p);
                   1426:
1.158     schwarze 1427:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132     schwarze 1428:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1429:                        term_word(p, ",");
1.132     schwarze 1430:                }
1.1       kristaps 1431:        }
                   1432:
1.227     schwarze 1433:        return 0;
1.1       kristaps 1434: }
                   1435:
                   1436: static int
                   1437: termp_bd_pre(DECL_ARGS)
                   1438: {
1.174     schwarze 1439:        size_t                   tabwidth, lm, len, rm, rmax;
1.214     schwarze 1440:        struct roff_node        *nn;
1.201     schwarze 1441:        int                      offset;
1.1       kristaps 1442:
1.213     schwarze 1443:        if (n->type == ROFFT_BLOCK) {
1.61      schwarze 1444:                print_bvspace(p, n, n);
1.227     schwarze 1445:                return 1;
1.213     schwarze 1446:        } else if (n->type == ROFFT_HEAD)
1.227     schwarze 1447:                return 0;
1.1       kristaps 1448:
1.187     schwarze 1449:        /* Handle the -offset argument. */
                   1450:
                   1451:        if (n->norm->Bd.offs == NULL ||
                   1452:            ! strcmp(n->norm->Bd.offs, "left"))
                   1453:                /* nothing */;
                   1454:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1455:                p->offset += term_len(p, p->defindent + 1);
                   1456:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1457:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.201     schwarze 1458:        else {
                   1459:                offset = a2width(p, n->norm->Bd.offs);
                   1460:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1461:                        p->offset = 0;
                   1462:                else if (offset < SHRT_MAX)
                   1463:                        p->offset += offset;
                   1464:        }
1.60      schwarze 1465:
                   1466:        /*
                   1467:         * If -ragged or -filled are specified, the block does nothing
                   1468:         * but change the indentation.  If -unfilled or -literal are
                   1469:         * specified, text is printed exactly as entered in the display:
                   1470:         * for macro lines, a newline is appended to the line.  Blank
                   1471:         * lines are allowed.
                   1472:         */
1.166     schwarze 1473:
                   1474:        if (DISP_literal != n->norm->Bd.type &&
1.174     schwarze 1475:            DISP_unfilled != n->norm->Bd.type &&
                   1476:            DISP_centered != n->norm->Bd.type)
1.227     schwarze 1477:                return 1;
1.1       kristaps 1478:
1.75      schwarze 1479:        tabwidth = p->tabwidth;
1.123     schwarze 1480:        if (DISP_literal == n->norm->Bd.type)
                   1481:                p->tabwidth = term_len(p, 8);
                   1482:
1.174     schwarze 1483:        lm = p->offset;
1.77      schwarze 1484:        rm = p->rmargin;
                   1485:        rmax = p->maxrmargin;
                   1486:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
                   1487:
1.60      schwarze 1488:        for (nn = n->child; nn; nn = nn->next) {
1.174     schwarze 1489:                if (DISP_centered == n->norm->Bd.type) {
1.213     schwarze 1490:                        if (nn->type == ROFFT_TEXT) {
1.174     schwarze 1491:                                len = term_strlen(p, nn->string);
                   1492:                                p->offset = len >= rm ? 0 :
                   1493:                                    lm + len >= rm ? rm - len :
                   1494:                                    (lm + rm - len) / 2;
                   1495:                        } else
                   1496:                                p->offset = lm;
                   1497:                }
1.147     schwarze 1498:                print_mdoc_node(p, pair, meta, nn);
1.108     schwarze 1499:                /*
                   1500:                 * If the printed node flushes its own line, then we
                   1501:                 * needn't do it here as well.  This is hacky, but the
                   1502:                 * notion of selective eoln whitespace is pretty dumb
                   1503:                 * anyway, so don't sweat it.
                   1504:                 */
                   1505:                switch (nn->tok) {
1.166     schwarze 1506:                case MDOC_Sm:
                   1507:                case MDOC_br:
                   1508:                case MDOC_sp:
                   1509:                case MDOC_Bl:
                   1510:                case MDOC_D1:
                   1511:                case MDOC_Dl:
                   1512:                case MDOC_Lp:
                   1513:                case MDOC_Pp:
1.108     schwarze 1514:                        continue;
                   1515:                default:
                   1516:                        break;
                   1517:                }
1.198     schwarze 1518:                if (p->flags & TERMP_NONEWLINE ||
1.237     schwarze 1519:                    (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100     schwarze 1520:                        continue;
                   1521:                term_flushln(p);
1.48      schwarze 1522:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1523:        }
1.88      schwarze 1524:
1.75      schwarze 1525:        p->tabwidth = tabwidth;
1.77      schwarze 1526:        p->rmargin = rm;
                   1527:        p->maxrmargin = rmax;
1.227     schwarze 1528:        return 0;
1.1       kristaps 1529: }
                   1530:
                   1531: static void
                   1532: termp_bd_post(DECL_ARGS)
                   1533: {
1.77      schwarze 1534:        size_t           rm, rmax;
1.1       kristaps 1535:
1.213     schwarze 1536:        if (n->type != ROFFT_BODY)
1.1       kristaps 1537:                return;
1.77      schwarze 1538:
                   1539:        rm = p->rmargin;
                   1540:        rmax = p->maxrmargin;
                   1541:
1.166     schwarze 1542:        if (DISP_literal == n->norm->Bd.type ||
                   1543:            DISP_unfilled == n->norm->Bd.type)
1.77      schwarze 1544:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
                   1545:
1.48      schwarze 1546:        p->flags |= TERMP_NOSPACE;
1.75      schwarze 1547:        term_newln(p);
1.77      schwarze 1548:
                   1549:        p->rmargin = rm;
                   1550:        p->maxrmargin = rmax;
1.1       kristaps 1551: }
                   1552:
                   1553: static int
1.26      schwarze 1554: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1555: {
1.238     schwarze 1556:        if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
                   1557:                p->flags |= TERMP_PREKEEP;
                   1558:        return 1;
                   1559: }
1.1       kristaps 1560:
1.238     schwarze 1561: static void
                   1562: termp_xx_post(DECL_ARGS)
                   1563: {
                   1564:        if (n->aux == 0)
                   1565:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1       kristaps 1566: }
                   1567:
                   1568: static void
                   1569: termp_pf_post(DECL_ARGS)
                   1570: {
                   1571:
1.237     schwarze 1572:        if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197     schwarze 1573:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1574: }
                   1575:
                   1576: static int
                   1577: termp_ss_pre(DECL_ARGS)
                   1578: {
1.236     schwarze 1579:        struct roff_node *nn;
1.1       kristaps 1580:
1.60      schwarze 1581:        switch (n->type) {
1.213     schwarze 1582:        case ROFFT_BLOCK:
1.1       kristaps 1583:                term_newln(p);
1.236     schwarze 1584:                for (nn = n->prev; nn != NULL; nn = nn->prev)
                   1585:                        if ((nn->flags & NODE_NOPRT) == 0)
                   1586:                                break;
                   1587:                if (nn != NULL)
1.1       kristaps 1588:                        term_vspace(p);
                   1589:                break;
1.213     schwarze 1590:        case ROFFT_HEAD:
1.65      schwarze 1591:                term_fontpush(p, TERMFONT_BOLD);
1.140     schwarze 1592:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1593:                break;
1.213     schwarze 1594:        case ROFFT_BODY:
1.176     schwarze 1595:                p->offset = term_len(p, p->defindent);
                   1596:                break;
1.1       kristaps 1597:        default:
                   1598:                break;
                   1599:        }
                   1600:
1.227     schwarze 1601:        return 1;
1.1       kristaps 1602: }
                   1603:
                   1604: static void
                   1605: termp_ss_post(DECL_ARGS)
                   1606: {
                   1607:
1.213     schwarze 1608:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1609:                term_newln(p);
                   1610: }
                   1611:
                   1612: static int
                   1613: termp_cd_pre(DECL_ARGS)
                   1614: {
                   1615:
1.86      schwarze 1616:        synopsis_pre(p, n);
1.65      schwarze 1617:        term_fontpush(p, TERMFONT_BOLD);
1.227     schwarze 1618:        return 1;
1.1       kristaps 1619: }
                   1620:
                   1621: static int
                   1622: termp_in_pre(DECL_ARGS)
                   1623: {
                   1624:
1.86      schwarze 1625:        synopsis_pre(p, n);
1.85      schwarze 1626:
1.237     schwarze 1627:        if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85      schwarze 1628:                term_fontpush(p, TERMFONT_BOLD);
1.23      schwarze 1629:                term_word(p, "#include");
1.85      schwarze 1630:                term_word(p, "<");
                   1631:        } else {
                   1632:                term_word(p, "<");
                   1633:                term_fontpush(p, TERMFONT_UNDER);
                   1634:        }
1.23      schwarze 1635:
1.1       kristaps 1636:        p->flags |= TERMP_NOSPACE;
1.227     schwarze 1637:        return 1;
1.1       kristaps 1638: }
                   1639:
                   1640: static void
                   1641: termp_in_post(DECL_ARGS)
                   1642: {
                   1643:
1.237     schwarze 1644:        if (NODE_SYNPRETTY & n->flags)
1.85      schwarze 1645:                term_fontpush(p, TERMFONT_BOLD);
                   1646:
1.59      schwarze 1647:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1648:        term_word(p, ">");
                   1649:
1.237     schwarze 1650:        if (NODE_SYNPRETTY & n->flags)
1.85      schwarze 1651:                term_fontpop(p);
1.38      schwarze 1652: }
                   1653:
                   1654: static int
                   1655: termp_sp_pre(DECL_ARGS)
                   1656: {
1.199     schwarze 1657:        struct roffsu    su;
1.211     schwarze 1658:        int              i, len;
1.38      schwarze 1659:
1.60      schwarze 1660:        switch (n->tok) {
1.166     schwarze 1661:        case MDOC_sp:
1.199     schwarze 1662:                if (n->child) {
                   1663:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1664:                                su.scale = 1.0;
                   1665:                        len = term_vspan(p, &su);
                   1666:                } else
                   1667:                        len = 1;
1.54      schwarze 1668:                break;
1.166     schwarze 1669:        case MDOC_br:
1.54      schwarze 1670:                len = 0;
                   1671:                break;
                   1672:        default:
                   1673:                len = 1;
1.221     schwarze 1674:                fn_prio = 0;
1.54      schwarze 1675:                break;
1.38      schwarze 1676:        }
                   1677:
                   1678:        if (0 == len)
                   1679:                term_newln(p);
1.211     schwarze 1680:        else if (len < 0)
                   1681:                p->skipvsp -= len;
                   1682:        else
                   1683:                for (i = 0; i < len; i++)
                   1684:                        term_vspace(p);
1.38      schwarze 1685:
1.227     schwarze 1686:        return 0;
1.38      schwarze 1687: }
                   1688:
                   1689: static int
1.193     schwarze 1690: termp_skip_pre(DECL_ARGS)
1.170     schwarze 1691: {
                   1692:
1.227     schwarze 1693:        return 0;
1.170     schwarze 1694: }
                   1695:
                   1696: static int
1.107     schwarze 1697: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1698: {
                   1699:
1.213     schwarze 1700:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227     schwarze 1701:                return 1;
1.1       kristaps 1702:
1.107     schwarze 1703:        switch (n->tok) {
1.166     schwarze 1704:        case MDOC_Ao:
                   1705:        case MDOC_Aq:
1.230     schwarze 1706:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.202     schwarze 1707:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107     schwarze 1708:                break;
1.166     schwarze 1709:        case MDOC_Bro:
                   1710:        case MDOC_Brq:
1.107     schwarze 1711:                term_word(p, "{");
                   1712:                break;
1.166     schwarze 1713:        case MDOC_Oo:
                   1714:        case MDOC_Op:
                   1715:        case MDOC_Bo:
                   1716:        case MDOC_Bq:
1.107     schwarze 1717:                term_word(p, "[");
                   1718:                break;
1.166     schwarze 1719:        case MDOC_Do:
                   1720:        case MDOC_Dq:
1.210     schwarze 1721:                term_word(p, "\\(Lq");
1.107     schwarze 1722:                break;
1.170     schwarze 1723:        case MDOC_En:
                   1724:                if (NULL == n->norm->Es ||
                   1725:                    NULL == n->norm->Es->child)
1.227     schwarze 1726:                        return 1;
1.170     schwarze 1727:                term_word(p, n->norm->Es->child->string);
                   1728:                break;
1.166     schwarze 1729:        case MDOC_Po:
                   1730:        case MDOC_Pq:
1.107     schwarze 1731:                term_word(p, "(");
                   1732:                break;
1.166     schwarze 1733:        case MDOC__T:
                   1734:        case MDOC_Qo:
                   1735:        case MDOC_Qq:
1.107     schwarze 1736:                term_word(p, "\"");
                   1737:                break;
1.166     schwarze 1738:        case MDOC_Ql:
                   1739:        case MDOC_So:
                   1740:        case MDOC_Sq:
1.151     schwarze 1741:                term_word(p, "\\(oq");
1.107     schwarze 1742:                break;
                   1743:        default:
                   1744:                abort();
                   1745:        }
1.1       kristaps 1746:
                   1747:        p->flags |= TERMP_NOSPACE;
1.227     schwarze 1748:        return 1;
1.1       kristaps 1749: }
                   1750:
                   1751: static void
1.107     schwarze 1752: termp_quote_post(DECL_ARGS)
1.1       kristaps 1753: {
                   1754:
1.213     schwarze 1755:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1756:                return;
                   1757:
1.205     schwarze 1758:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1759:
1.107     schwarze 1760:        switch (n->tok) {
1.166     schwarze 1761:        case MDOC_Ao:
                   1762:        case MDOC_Aq:
1.230     schwarze 1763:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.202     schwarze 1764:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107     schwarze 1765:                break;
1.166     schwarze 1766:        case MDOC_Bro:
                   1767:        case MDOC_Brq:
1.107     schwarze 1768:                term_word(p, "}");
                   1769:                break;
1.166     schwarze 1770:        case MDOC_Oo:
                   1771:        case MDOC_Op:
                   1772:        case MDOC_Bo:
                   1773:        case MDOC_Bq:
1.107     schwarze 1774:                term_word(p, "]");
                   1775:                break;
1.166     schwarze 1776:        case MDOC_Do:
                   1777:        case MDOC_Dq:
1.210     schwarze 1778:                term_word(p, "\\(Rq");
1.170     schwarze 1779:                break;
                   1780:        case MDOC_En:
1.205     schwarze 1781:                if (n->norm->Es == NULL ||
                   1782:                    n->norm->Es->child == NULL ||
                   1783:                    n->norm->Es->child->next == NULL)
                   1784:                        p->flags &= ~TERMP_NOSPACE;
                   1785:                else
1.170     schwarze 1786:                        term_word(p, n->norm->Es->child->next->string);
1.107     schwarze 1787:                break;
1.166     schwarze 1788:        case MDOC_Po:
                   1789:        case MDOC_Pq:
1.107     schwarze 1790:                term_word(p, ")");
                   1791:                break;
1.166     schwarze 1792:        case MDOC__T:
                   1793:        case MDOC_Qo:
                   1794:        case MDOC_Qq:
1.107     schwarze 1795:                term_word(p, "\"");
                   1796:                break;
1.166     schwarze 1797:        case MDOC_Ql:
                   1798:        case MDOC_So:
                   1799:        case MDOC_Sq:
1.151     schwarze 1800:                term_word(p, "\\(cq");
1.107     schwarze 1801:                break;
                   1802:        default:
                   1803:                abort();
                   1804:        }
1.205     schwarze 1805: }
                   1806:
                   1807: static int
                   1808: termp_eo_pre(DECL_ARGS)
                   1809: {
                   1810:
1.213     schwarze 1811:        if (n->type != ROFFT_BODY)
1.227     schwarze 1812:                return 1;
1.205     schwarze 1813:
                   1814:        if (n->end == ENDBODY_NOT &&
                   1815:            n->parent->head->child == NULL &&
                   1816:            n->child != NULL &&
                   1817:            n->child->end != ENDBODY_NOT)
                   1818:                term_word(p, "\\&");
                   1819:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208     schwarze 1820:             n->parent->head->child != NULL && (n->child != NULL ||
                   1821:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205     schwarze 1822:                p->flags |= TERMP_NOSPACE;
                   1823:
1.227     schwarze 1824:        return 1;
1.205     schwarze 1825: }
                   1826:
                   1827: static void
                   1828: termp_eo_post(DECL_ARGS)
                   1829: {
                   1830:        int      body, tail;
                   1831:
1.213     schwarze 1832:        if (n->type != ROFFT_BODY)
1.205     schwarze 1833:                return;
                   1834:
                   1835:        if (n->end != ENDBODY_NOT) {
                   1836:                p->flags &= ~TERMP_NOSPACE;
                   1837:                return;
                   1838:        }
                   1839:
                   1840:        body = n->child != NULL || n->parent->head->child != NULL;
                   1841:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1842:
                   1843:        if (body && tail)
                   1844:                p->flags |= TERMP_NOSPACE;
                   1845:        else if ( ! (body || tail))
                   1846:                term_word(p, "\\&");
                   1847:        else if ( ! tail)
                   1848:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1849: }
                   1850:
                   1851: static int
                   1852: termp_fo_pre(DECL_ARGS)
                   1853: {
1.159     schwarze 1854:        size_t           rmargin = 0;
1.158     schwarze 1855:        int              pretty;
                   1856:
1.237     schwarze 1857:        pretty = NODE_SYNPRETTY & n->flags;
1.1       kristaps 1858:
1.213     schwarze 1859:        if (n->type == ROFFT_BLOCK) {
1.86      schwarze 1860:                synopsis_pre(p, n);
1.227     schwarze 1861:                return 1;
1.213     schwarze 1862:        } else if (n->type == ROFFT_BODY) {
1.158     schwarze 1863:                if (pretty) {
                   1864:                        rmargin = p->rmargin;
1.159     schwarze 1865:                        p->rmargin = p->offset + term_len(p, 4);
1.165     schwarze 1866:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   1867:                                        TERMP_HANG;
1.158     schwarze 1868:                }
1.31      schwarze 1869:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1870:                term_word(p, "(");
1.132     schwarze 1871:                p->flags |= TERMP_NOSPACE;
1.158     schwarze 1872:                if (pretty) {
                   1873:                        term_flushln(p);
1.165     schwarze 1874:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   1875:                                        TERMP_HANG);
1.158     schwarze 1876:                        p->offset = p->rmargin;
                   1877:                        p->rmargin = rmargin;
                   1878:                }
1.227     schwarze 1879:                return 1;
1.158     schwarze 1880:        }
1.85      schwarze 1881:
1.95      schwarze 1882:        if (NULL == n->child)
1.227     schwarze 1883:                return 0;
1.95      schwarze 1884:
1.85      schwarze 1885:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 1886:
1.85      schwarze 1887:        assert(n->child->string);
1.65      schwarze 1888:        term_fontpush(p, TERMFONT_BOLD);
1.85      schwarze 1889:        term_word(p, n->child->string);
1.227     schwarze 1890:        return 0;
1.1       kristaps 1891: }
                   1892:
                   1893: static void
                   1894: termp_fo_post(DECL_ARGS)
                   1895: {
                   1896:
1.213     schwarze 1897:        if (n->type != ROFFT_BODY)
1.86      schwarze 1898:                return;
                   1899:
1.132     schwarze 1900:        p->flags |= TERMP_NOSPACE;
1.86      schwarze 1901:        term_word(p, ")");
                   1902:
1.237     schwarze 1903:        if (NODE_SYNPRETTY & n->flags) {
1.132     schwarze 1904:                p->flags |= TERMP_NOSPACE;
1.86      schwarze 1905:                term_word(p, ";");
1.158     schwarze 1906:                term_flushln(p);
1.132     schwarze 1907:        }
1.1       kristaps 1908: }
                   1909:
                   1910: static int
                   1911: termp_bf_pre(DECL_ARGS)
                   1912: {
                   1913:
1.213     schwarze 1914:        if (n->type == ROFFT_HEAD)
1.227     schwarze 1915:                return 0;
1.213     schwarze 1916:        else if (n->type != ROFFT_BODY)
1.227     schwarze 1917:                return 1;
1.1       kristaps 1918:
1.166     schwarze 1919:        if (FONT_Em == n->norm->Bf.font)
1.65      schwarze 1920:                term_fontpush(p, TERMFONT_UNDER);
1.166     schwarze 1921:        else if (FONT_Sy == n->norm->Bf.font)
1.65      schwarze 1922:                term_fontpush(p, TERMFONT_BOLD);
1.166     schwarze 1923:        else
1.65      schwarze 1924:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 1925:
1.227     schwarze 1926:        return 1;
1.1       kristaps 1927: }
                   1928:
                   1929: static int
                   1930: termp_sm_pre(DECL_ARGS)
                   1931: {
                   1932:
1.171     schwarze 1933:        if (NULL == n->child)
                   1934:                p->flags ^= TERMP_NONOSPACE;
                   1935:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 1936:                p->flags &= ~TERMP_NONOSPACE;
1.171     schwarze 1937:        else
1.1       kristaps 1938:                p->flags |= TERMP_NONOSPACE;
1.171     schwarze 1939:
                   1940:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   1941:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1942:
1.227     schwarze 1943:        return 0;
1.1       kristaps 1944: }
                   1945:
                   1946: static int
                   1947: termp_ap_pre(DECL_ARGS)
                   1948: {
                   1949:
                   1950:        p->flags |= TERMP_NOSPACE;
1.107     schwarze 1951:        term_word(p, "'");
1.1       kristaps 1952:        p->flags |= TERMP_NOSPACE;
1.227     schwarze 1953:        return 1;
1.1       kristaps 1954: }
                   1955:
                   1956: static void
                   1957: termp____post(DECL_ARGS)
                   1958: {
1.104     schwarze 1959:
                   1960:        /*
                   1961:         * Handle lists of authors.  In general, print each followed by
                   1962:         * a comma.  Don't print the comma if there are only two
                   1963:         * authors.
                   1964:         */
                   1965:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   1966:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   1967:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   1968:                                return;
1.1       kristaps 1969:
1.62      schwarze 1970:        /* TODO: %U. */
                   1971:
1.106     schwarze 1972:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   1973:                return;
                   1974:
1.132     schwarze 1975:        p->flags |= TERMP_NOSPACE;
1.106     schwarze 1976:        if (NULL == n->next) {
                   1977:                term_word(p, ".");
                   1978:                p->flags |= TERMP_SENTENCE;
                   1979:        } else
                   1980:                term_word(p, ",");
1.1       kristaps 1981: }
                   1982:
                   1983: static int
1.65      schwarze 1984: termp_li_pre(DECL_ARGS)
                   1985: {
                   1986:
1.234     schwarze 1987:        termp_tag_pre(p, pair, meta, n);
1.65      schwarze 1988:        term_fontpush(p, TERMFONT_NONE);
1.227     schwarze 1989:        return 1;
1.65      schwarze 1990: }
                   1991:
                   1992: static int
1.1       kristaps 1993: termp_lk_pre(DECL_ARGS)
                   1994: {
1.214     schwarze 1995:        const struct roff_node *link, *descr;
1.1       kristaps 1996:
1.142     schwarze 1997:        if (NULL == (link = n->child))
1.227     schwarze 1998:                return 0;
1.101     schwarze 1999:
1.142     schwarze 2000:        if (NULL != (descr = link->next)) {
                   2001:                term_fontpush(p, TERMFONT_UNDER);
                   2002:                while (NULL != descr) {
                   2003:                        term_word(p, descr->string);
                   2004:                        descr = descr->next;
                   2005:                }
                   2006:                p->flags |= TERMP_NOSPACE;
                   2007:                term_word(p, ":");
                   2008:                term_fontpop(p);
                   2009:        }
1.1       kristaps 2010:
1.65      schwarze 2011:        term_fontpush(p, TERMFONT_BOLD);
1.142     schwarze 2012:        term_word(p, link->string);
1.65      schwarze 2013:        term_fontpop(p);
1.6       schwarze 2014:
1.227     schwarze 2015:        return 0;
1.1       kristaps 2016: }
                   2017:
1.90      schwarze 2018: static int
                   2019: termp_bk_pre(DECL_ARGS)
                   2020: {
                   2021:
1.91      schwarze 2022:        switch (n->type) {
1.213     schwarze 2023:        case ROFFT_BLOCK:
1.95      schwarze 2024:                break;
1.213     schwarze 2025:        case ROFFT_HEAD:
1.227     schwarze 2026:                return 0;
1.213     schwarze 2027:        case ROFFT_BODY:
1.230     schwarze 2028:                if (n->parent->args != NULL || n->prev->child == NULL)
1.117     schwarze 2029:                        p->flags |= TERMP_PREKEEP;
1.95      schwarze 2030:                break;
1.91      schwarze 2031:        default:
                   2032:                abort();
                   2033:        }
1.95      schwarze 2034:
1.227     schwarze 2035:        return 1;
1.90      schwarze 2036: }
                   2037:
                   2038: static void
                   2039: termp_bk_post(DECL_ARGS)
                   2040: {
                   2041:
1.213     schwarze 2042:        if (n->type == ROFFT_BODY)
1.91      schwarze 2043:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90      schwarze 2044: }
1.120     schwarze 2045:
                   2046: static void
                   2047: termp__t_post(DECL_ARGS)
                   2048: {
                   2049:
                   2050:        /*
                   2051:         * If we're in an `Rs' and there's a journal present, then quote
                   2052:         * us instead of underlining us (for disambiguation).
                   2053:         */
1.121     schwarze 2054:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.166     schwarze 2055:            n->parent->norm->Rs.quote_T)
1.147     schwarze 2056:                termp_quote_post(p, pair, meta, n);
1.120     schwarze 2057:
1.147     schwarze 2058:        termp____post(p, pair, meta, n);
1.120     schwarze 2059: }
                   2060:
                   2061: static int
                   2062: termp__t_pre(DECL_ARGS)
                   2063: {
                   2064:
                   2065:        /*
                   2066:         * If we're in an `Rs' and there's a journal present, then quote
                   2067:         * us instead of underlining us (for disambiguation).
                   2068:         */
1.121     schwarze 2069:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.166     schwarze 2070:            n->parent->norm->Rs.quote_T)
1.227     schwarze 2071:                return termp_quote_pre(p, pair, meta, n);
1.120     schwarze 2072:
                   2073:        term_fontpush(p, TERMFONT_UNDER);
1.227     schwarze 2074:        return 1;
1.121     schwarze 2075: }
1.1       kristaps 2076:
                   2077: static int
1.54      schwarze 2078: termp_under_pre(DECL_ARGS)
1.1       kristaps 2079: {
                   2080:
1.65      schwarze 2081:        term_fontpush(p, TERMFONT_UNDER);
1.233     schwarze 2082:        return 1;
                   2083: }
                   2084:
                   2085: static int
                   2086: termp_em_pre(DECL_ARGS)
                   2087: {
                   2088:        if (n->child != NULL &&
                   2089:            n->child->type == ROFFT_TEXT)
                   2090:                tag_put(n->child->string, 0, p->line);
                   2091:        term_fontpush(p, TERMFONT_UNDER);
                   2092:        return 1;
                   2093: }
                   2094:
                   2095: static int
                   2096: termp_sy_pre(DECL_ARGS)
                   2097: {
                   2098:        if (n->child != NULL &&
                   2099:            n->child->type == ROFFT_TEXT)
                   2100:                tag_put(n->child->string, 0, p->line);
                   2101:        term_fontpush(p, TERMFONT_BOLD);
1.227     schwarze 2102:        return 1;
1.222     schwarze 2103: }
                   2104:
                   2105: static int
                   2106: termp_er_pre(DECL_ARGS)
                   2107: {
                   2108:
                   2109:        if (n->sec == SEC_ERRORS &&
                   2110:            (n->parent->tok == MDOC_It ||
                   2111:             (n->parent->tok == MDOC_Bq &&
1.223     schwarze 2112:              n->parent->parent->parent->tok == MDOC_It)))
                   2113:                tag_put(n->child->string, 1, p->line);
1.227     schwarze 2114:        return 1;
1.219     schwarze 2115: }
                   2116:
                   2117: static int
                   2118: termp_tag_pre(DECL_ARGS)
                   2119: {
                   2120:
                   2121:        if (n->child != NULL &&
                   2122:            n->child->type == ROFFT_TEXT &&
1.232     schwarze 2123:            (n->prev == NULL ||
                   2124:             (n->prev->type == ROFFT_TEXT &&
                   2125:              strcmp(n->prev->string, "|") == 0)) &&
1.219     schwarze 2126:            (n->parent->tok == MDOC_It ||
                   2127:             (n->parent->tok == MDOC_Xo &&
                   2128:              n->parent->parent->prev == NULL &&
1.223     schwarze 2129:              n->parent->parent->parent->tok == MDOC_It)))
                   2130:                tag_put(n->child->string, 1, p->line);
1.227     schwarze 2131:        return 1;
1.1       kristaps 2132: }