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Annotation of mandoc/mdoc_term.c, Revision 1.316

1.316   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.315 2015/04/02 22:48:17 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.303     schwarze    4:  * Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org>
1.256     schwarze    5:  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1       kristaps    6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps   10:  *
1.314     schwarze   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6       kristaps   12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314     schwarze   13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6       kristaps   14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     16:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     17:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   18:  */
1.107     kristaps   19: #include "config.h"
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.302     schwarze   25: #include <limits.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.314     schwarze   31: #include "mandoc_aux.h"
1.125     kristaps   32: #include "mandoc.h"
1.314     schwarze   33: #include "roff.h"
                     34: #include "mdoc.h"
1.92      kristaps   35: #include "out.h"
1.1       kristaps   36: #include "term.h"
1.89      kristaps   37: #include "main.h"
1.1       kristaps   38:
                     39: struct termpair {
                     40:        struct termpair  *ppair;
1.31      kristaps   41:        int               count;
1.1       kristaps   42: };
                     43:
1.31      kristaps   44: #define        DECL_ARGS struct termp *p, \
                     45:                  struct termpair *pair, \
1.316   ! schwarze   46:                  const struct roff_meta *meta, \
1.315     schwarze   47:                  struct roff_node *n
1.1       kristaps   48:
                     49: struct termact {
                     50:        int     (*pre)(DECL_ARGS);
                     51:        void    (*post)(DECL_ARGS);
                     52: };
                     53:
1.302     schwarze   54: static int       a2width(const struct termp *, const char *);
1.96      kristaps   55:
                     56: static void      print_bvspace(struct termp *,
1.315     schwarze   57:                        const struct roff_node *,
                     58:                        const struct roff_node *);
1.264     schwarze   59: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   60: static void      print_mdoc_nodelist(DECL_ARGS);
1.316   ! schwarze   61: static void      print_mdoc_head(struct termp *, const struct roff_meta *);
        !            62: static void      print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264     schwarze   63: static void      synopsis_pre(struct termp *,
1.315     schwarze   64:                        const struct roff_node *);
1.96      kristaps   65:
1.31      kristaps   66: static void      termp____post(DECL_ARGS);
1.203     kristaps   67: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   68: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   69: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   70: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   71: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   72: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   73: static void      termp_fo_post(DECL_ARGS);
                     74: static void      termp_in_post(DECL_ARGS);
                     75: static void      termp_it_post(DECL_ARGS);
                     76: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   77: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   78: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   79: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   80: static void      termp_sh_post(DECL_ARGS);
                     81: static void      termp_ss_post(DECL_ARGS);
                     82:
1.184     kristaps   83: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   84: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   85: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   86: static int       termp_ap_pre(DECL_ARGS);
                     87: static int       termp_bd_pre(DECL_ARGS);
                     88: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   89: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   90: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   91: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   92: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   93: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   94: static int       termp_cd_pre(DECL_ARGS);
                     95: static int       termp_d1_pre(DECL_ARGS);
1.306     schwarze   96: static int       termp_eo_pre(DECL_ARGS);
1.31      kristaps   97: static int       termp_ex_pre(DECL_ARGS);
                     98: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   99: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  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);
1.102     kristaps  106: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  107: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  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);
1.188     kristaps  112: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  113: static int       termp_rs_pre(DECL_ARGS);
                    114: static int       termp_rv_pre(DECL_ARGS);
                    115: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  116: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  117: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  118: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  120: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  121: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  122: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  123: static int       termp_xr_pre(DECL_ARGS);
                    124: static int       termp_xx_pre(DECL_ARGS);
                    125:
1.70      kristaps  126: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  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 */
1.264     schwarze  132:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    133:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  134:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    135:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  136:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    137:        { NULL, NULL }, /* Ed */
1.115     kristaps  138:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  139:        { NULL, NULL }, /* El */
                    140:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  141:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  142:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  143:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  144:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  145:        { termp_bold_pre, NULL }, /* Cm */
1.264     schwarze  146:        { NULL, NULL }, /* Dv */
                    147:        { NULL, NULL }, /* Er */
                    148:        { NULL, NULL }, /* Ev */
1.1       kristaps  149:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  150:        { termp_fa_pre, NULL }, /* Fa */
                    151:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  152:        { termp_fl_pre, NULL }, /* Fl */
1.264     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 */
1.102     kristaps  157:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  158:        { termp_nd_pre, NULL }, /* Nd */
                    159:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  160:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  161:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  162:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  163:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  164:        { NULL, NULL }, /* St */
1.69      kristaps  165:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  166:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  167:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  168:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  169:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  170:        { NULL, termp____post }, /* %D */
1.84      kristaps  171:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  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 */
1.203     kristaps  177:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  178:        { NULL, termp____post }, /* %V */
                    179:        { NULL, NULL }, /* Ac */
1.188     kristaps  180:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    181:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  182:        { NULL, NULL }, /* At */
1.1       kristaps  183:        { NULL, NULL }, /* Bc */
1.264     schwarze  184:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  185:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    186:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  187:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  188:        { termp_bx_pre, NULL }, /* Bx */
1.294     schwarze  189:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  190:        { NULL, NULL }, /* Dc */
1.188     kristaps  191:        { termp_quote_pre, termp_quote_post }, /* Do */
                    192:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  193:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  194:        { NULL, NULL }, /* Ef */
1.264     schwarze  195:        { termp_under_pre, NULL }, /* Em */
1.306     schwarze  196:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.26      kristaps  197:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  198:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  199:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  200:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  201:        { termp_xx_pre, NULL }, /* Nx */
                    202:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  203:        { NULL, NULL }, /* Pc */
1.254     schwarze  204:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  205:        { termp_quote_pre, termp_quote_post }, /* Po */
                    206:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  207:        { NULL, NULL }, /* Qc */
1.188     kristaps  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 */
1.188     kristaps  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 */
1.69      kristaps  217:        { termp_under_pre, NULL }, /* Sx */
                    218:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  219:        { NULL, NULL }, /* Tn */
1.26      kristaps  220:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  221:        { NULL, NULL }, /* Xc */
                    222:        { NULL, NULL }, /* Xo */
1.264     schwarze  223:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    224:        { NULL, NULL }, /* Fc */
1.188     kristaps  225:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  226:        { NULL, NULL }, /* Oc */
1.159     schwarze  227:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  228:        { NULL, NULL }, /* Ek */
                    229:        { termp_bt_pre, NULL }, /* Bt */
                    230:        { NULL, NULL }, /* Hf */
1.268     schwarze  231:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  232:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  233:        { NULL, termp_lb_post }, /* Lb */
1.264     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 */
1.294     schwarze  241:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  242:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  243:        { termp_xx_pre, NULL }, /* Dx */
                    244:        { NULL, termp____post }, /* %Q */
1.76      kristaps  245:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  246:        { termp_sp_pre, NULL }, /* sp */
                    247:        { NULL, termp____post }, /* %U */
                    248:        { NULL, NULL }, /* Ta */
1.260     schwarze  249:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  250: };
                    251:
                    252:
1.70      kristaps  253: void
1.89      kristaps  254: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  255: {
1.316   ! schwarze  256:        const struct roff_meta  *meta;
1.315     schwarze  257:        struct roff_node        *n;
1.89      kristaps  258:        struct termp            *p;
                    259:
                    260:        p = (struct termp *)arg;
1.111     kristaps  261:
                    262:        p->overstep = 0;
1.281     schwarze  263:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  264:        p->tabwidth = term_len(p, 5);
1.70      kristaps  265:
1.281     schwarze  266:        n = mdoc_node(mdoc)->child;
1.245     schwarze  267:        meta = mdoc_meta(mdoc);
1.146     schwarze  268:
1.281     schwarze  269:        if (p->synopsisonly) {
                    270:                while (n != NULL) {
                    271:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    272:                                if (n->child->next->child != NULL)
                    273:                                        print_mdoc_nodelist(p, NULL,
                    274:                                            meta, n->child->next->child);
                    275:                                term_newln(p);
                    276:                                break;
                    277:                        }
                    278:                        n = n->next;
                    279:                }
                    280:        } else {
                    281:                if (p->defindent == 0)
                    282:                        p->defindent = 5;
                    283:                term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
                    284:                if (n != NULL) {
                    285:                        if (n->tok != MDOC_Sh)
                    286:                                term_vspace(p);
                    287:                        print_mdoc_nodelist(p, NULL, meta, n);
                    288:                }
                    289:                term_end(p);
1.271     schwarze  290:        }
1.1       kristaps  291: }
                    292:
1.3       kristaps  293: static void
1.102     kristaps  294: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  295: {
                    296:
1.304     schwarze  297:        while (n != NULL) {
                    298:                print_mdoc_node(p, pair, meta, n);
                    299:                n = n->next;
                    300:        }
1.1       kristaps  301: }
                    302:
1.3       kristaps  303: static void
1.102     kristaps  304: print_mdoc_node(DECL_ARGS)
1.1       kristaps  305: {
1.102     kristaps  306:        int              chld;
1.1       kristaps  307:        struct termpair  npair;
1.30      kristaps  308:        size_t           offset, rmargin;
1.1       kristaps  309:
1.70      kristaps  310:        chld = 1;
1.29      kristaps  311:        offset = p->offset;
1.30      kristaps  312:        rmargin = p->rmargin;
1.310     schwarze  313:        n->flags &= ~MDOC_ENDED;
1.305     schwarze  314:        n->prev_font = p->fonti;
1.29      kristaps  315:
1.97      kristaps  316:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  317:        npair.ppair = pair;
1.172     kristaps  318:
                    319:        /*
                    320:         * Keeps only work until the end of a line.  If a keep was
                    321:         * invoked in a prior line, revert it to PREKEEP.
                    322:         */
                    323:
1.307     schwarze  324:        if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
                    325:                p->flags &= ~TERMP_KEEP;
                    326:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  327:        }
1.197     schwarze  328:
                    329:        /*
1.217     schwarze  330:         * After the keep flags have been set up, we may now
                    331:         * produce output.  Note that some pre-handlers do so.
                    332:         */
                    333:
                    334:        switch (n->type) {
1.314     schwarze  335:        case ROFFT_TEXT:
1.217     schwarze  336:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    337:                        term_newln(p);
1.222     kristaps  338:                if (MDOC_DELIMC & n->flags)
                    339:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  340:                term_word(p, n->string);
1.222     kristaps  341:                if (MDOC_DELIMO & n->flags)
                    342:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  343:                break;
1.314     schwarze  344:        case ROFFT_EQN:
1.284     schwarze  345:                if ( ! (n->flags & MDOC_LINE))
                    346:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  347:                term_eqn(p, n->eqn);
1.286     schwarze  348:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  349:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  350:                break;
1.314     schwarze  351:        case ROFFT_TBL:
1.313     schwarze  352:                if (p->tbl.cols == NULL)
                    353:                        term_newln(p);
1.217     schwarze  354:                term_tbl(p, n->span);
                    355:                break;
                    356:        default:
1.295     schwarze  357:                if (termacts[n->tok].pre &&
                    358:                    (n->end == ENDBODY_NOT || n->nchild))
1.217     schwarze  359:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  360:                                (p, &npair, meta, n);
1.217     schwarze  361:                break;
                    362:        }
                    363:
1.86      kristaps  364:        if (chld && n->child)
1.245     schwarze  365:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  366:
1.244     schwarze  367:        term_fontpopq(p,
1.310     schwarze  368:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  369:
1.206     kristaps  370:        switch (n->type) {
1.314     schwarze  371:        case ROFFT_TEXT:
1.206     kristaps  372:                break;
1.314     schwarze  373:        case ROFFT_TBL:
1.216     kristaps  374:                break;
1.314     schwarze  375:        case ROFFT_EQN:
1.206     kristaps  376:                break;
                    377:        default:
                    378:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    379:                        break;
1.245     schwarze  380:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  381:
                    382:                /*
                    383:                 * Explicit end tokens not only call the post
                    384:                 * handler, but also tell the respective block
                    385:                 * that it must not call the post handler again.
                    386:                 */
1.165     kristaps  387:                if (ENDBODY_NOT != n->end)
1.310     schwarze  388:                        n->body->flags |= MDOC_ENDED;
1.162     schwarze  389:
                    390:                /*
                    391:                 * End of line terminating an implicit block
                    392:                 * while an explicit block is still open.
                    393:                 * Continue the explicit block without spacing.
                    394:                 */
                    395:                if (ENDBODY_NOSPACE == n->end)
                    396:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  397:                break;
1.162     schwarze  398:        }
1.121     kristaps  399:
                    400:        if (MDOC_EOS & n->flags)
                    401:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  402:
1.260     schwarze  403:        if (MDOC_ll != n->tok) {
                    404:                p->offset = offset;
                    405:                p->rmargin = rmargin;
                    406:        }
1.1       kristaps  407: }
                    408:
1.3       kristaps  409: static void
1.316   ! schwarze  410: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  411: {
1.292     schwarze  412:        size_t sz;
1.144     kristaps  413:
1.102     kristaps  414:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  415:
1.264     schwarze  416:        /*
1.9       kristaps  417:         * Output the footer in new-groff style, that is, three columns
                    418:         * with the middle being the manual date and flanking columns
                    419:         * being the operating system:
                    420:         *
                    421:         * SYSTEM                  DATE                    SYSTEM
                    422:         */
                    423:
1.1       kristaps  424:        term_vspace(p);
                    425:
1.9       kristaps  426:        p->offset = 0;
1.292     schwarze  427:        sz = term_strlen(p, meta->date);
                    428:        p->rmargin = p->maxrmargin > sz ?
                    429:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  430:        p->trailspace = 1;
1.1       kristaps  431:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    432:
1.245     schwarze  433:        term_word(p, meta->os);
1.1       kristaps  434:        term_flushln(p);
                    435:
1.9       kristaps  436:        p->offset = p->rmargin;
1.292     schwarze  437:        sz = term_strlen(p, meta->os);
                    438:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  439:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  440:
1.245     schwarze  441:        term_word(p, meta->date);
1.9       kristaps  442:        term_flushln(p);
                    443:
1.1       kristaps  444:        p->offset = p->rmargin;
                    445:        p->rmargin = p->maxrmargin;
1.250     schwarze  446:        p->trailspace = 0;
1.1       kristaps  447:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  448:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  449:
1.245     schwarze  450:        term_word(p, meta->os);
1.1       kristaps  451:        term_flushln(p);
                    452:
1.9       kristaps  453:        p->offset = 0;
                    454:        p->rmargin = p->maxrmargin;
                    455:        p->flags = 0;
1.1       kristaps  456: }
                    457:
1.3       kristaps  458: static void
1.316   ! schwarze  459: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  460: {
1.267     schwarze  461:        char                    *volume, *title;
                    462:        size_t                   vollen, titlen;
1.1       kristaps  463:
                    464:        /*
                    465:         * The header is strange.  It has three components, which are
                    466:         * really two with the first duplicated.  It goes like this:
                    467:         *
                    468:         * IDENTIFIER              TITLE                   IDENTIFIER
                    469:         *
                    470:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    471:         * (if given, or "unknown" if not) followed by the manual page
                    472:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    473:         * string depending on the manual volume.  If not specified, it
                    474:         * switches on the manual section.
                    475:         */
1.235     schwarze  476:
1.245     schwarze  477:        assert(meta->vol);
1.267     schwarze  478:        if (NULL == meta->arch)
                    479:                volume = mandoc_strdup(meta->vol);
                    480:        else
                    481:                mandoc_asprintf(&volume, "%s (%s)",
                    482:                    meta->vol, meta->arch);
                    483:        vollen = term_strlen(p, volume);
1.1       kristaps  484:
1.275     schwarze  485:        if (NULL == meta->msec)
                    486:                title = mandoc_strdup(meta->title);
                    487:        else
                    488:                mandoc_asprintf(&title, "%s(%s)",
                    489:                    meta->title, meta->msec);
1.235     schwarze  490:        titlen = term_strlen(p, title);
1.1       kristaps  491:
1.235     schwarze  492:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  493:        p->trailspace = 1;
1.1       kristaps  494:        p->offset = 0;
1.267     schwarze  495:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    496:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  497:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  498:
                    499:        term_word(p, title);
                    500:        term_flushln(p);
                    501:
1.235     schwarze  502:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  503:        p->offset = p->rmargin;
1.267     schwarze  504:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  505:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  506:
1.267     schwarze  507:        term_word(p, volume);
1.1       kristaps  508:        term_flushln(p);
                    509:
                    510:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  511:        p->trailspace = 0;
1.235     schwarze  512:        if (p->rmargin + titlen <= p->maxrmargin) {
                    513:                p->flags |= TERMP_NOSPACE;
                    514:                p->offset = p->rmargin;
                    515:                p->rmargin = p->maxrmargin;
                    516:                term_word(p, title);
                    517:                term_flushln(p);
                    518:        }
1.1       kristaps  519:
1.235     schwarze  520:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  521:        p->offset = 0;
1.1       kristaps  522:        p->rmargin = p->maxrmargin;
1.266     schwarze  523:        free(title);
1.267     schwarze  524:        free(volume);
1.1       kristaps  525: }
                    526:
1.302     schwarze  527: static int
1.157     kristaps  528: a2width(const struct termp *p, const char *v)
1.91      kristaps  529: {
1.92      kristaps  530:        struct roffsu    su;
1.1       kristaps  531:
1.300     schwarze  532:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157     kristaps  533:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  534:                su.scale /= term_strlen(p, "0");
1.302     schwarze  535:        }
1.157     kristaps  536:        return(term_hspan(p, &su));
1.1       kristaps  537: }
                    538:
1.108     kristaps  539: /*
                    540:  * Determine how much space to print out before block elements of `It'
                    541:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    542:  * too.
                    543:  */
1.54      kristaps  544: static void
1.264     schwarze  545: print_bvspace(struct termp *p,
1.315     schwarze  546:        const struct roff_node *bl,
                    547:        const struct roff_node *n)
1.1       kristaps  548: {
1.315     schwarze  549:        const struct roff_node  *nn;
1.236     schwarze  550:
                    551:        assert(n);
1.1       kristaps  552:
                    553:        term_newln(p);
1.150     kristaps  554:
1.202     kristaps  555:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  556:                return;
1.202     kristaps  557:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  558:                return;
                    559:
1.85      kristaps  560:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  561:
1.289     schwarze  562:        nn = n;
                    563:        while (nn->prev == NULL) {
                    564:                do {
                    565:                        nn = nn->parent;
1.314     schwarze  566:                        if (nn->type == ROFFT_ROOT)
1.289     schwarze  567:                                return;
1.314     schwarze  568:                } while (nn->type != ROFFT_BLOCK);
1.289     schwarze  569:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  570:                        return;
1.289     schwarze  571:                if (nn->tok == MDOC_It &&
                    572:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    573:                        break;
1.1       kristaps  574:        }
                    575:
1.85      kristaps  576:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  577:
1.202     kristaps  578:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  579:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  580:                        return;
                    581:
1.85      kristaps  582:        /* A `-diag' without body does not vspace. */
                    583:
1.202     kristaps  584:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  585:                if (n->prev && MDOC_It == n->prev->tok) {
                    586:                        assert(n->prev->body);
                    587:                        if (NULL == n->prev->body->child)
1.55      kristaps  588:                                return;
                    589:                }
                    590:
1.54      kristaps  591:        term_vspace(p);
1.260     schwarze  592: }
                    593:
                    594:
                    595: static int
                    596: termp_ll_pre(DECL_ARGS)
                    597: {
                    598:
1.261     schwarze  599:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  600:        return(0);
1.1       kristaps  601: }
                    602:
                    603: static int
                    604: termp_it_pre(DECL_ARGS)
                    605: {
1.302     schwarze  606:        char                    buf[24];
1.315     schwarze  607:        const struct roff_node *bl, *nn;
1.302     schwarze  608:        size_t                  ncols, dcol;
                    609:        int                     i, offset, width;
1.126     kristaps  610:        enum mdoc_list          type;
1.1       kristaps  611:
1.314     schwarze  612:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps  613:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  614:                return(1);
                    615:        }
1.1       kristaps  616:
1.86      kristaps  617:        bl = n->parent->parent->parent;
1.202     kristaps  618:        type = bl->norm->Bl.type;
1.1       kristaps  619:
1.264     schwarze  620:        /*
1.302     schwarze  621:         * Defaults for specific list types.
                    622:         */
                    623:
                    624:        switch (type) {
                    625:        case LIST_bullet:
                    626:                /* FALLTHROUGH */
                    627:        case LIST_dash:
                    628:                /* FALLTHROUGH */
                    629:        case LIST_hyphen:
                    630:                /* FALLTHROUGH */
                    631:        case LIST_enum:
                    632:                width = term_len(p, 2);
                    633:                break;
                    634:        case LIST_hang:
                    635:                width = term_len(p, 8);
                    636:                break;
                    637:        case LIST_column:
                    638:                /* FALLTHROUGH */
                    639:        case LIST_tag:
                    640:                width = term_len(p, 10);
                    641:                break;
                    642:        default:
                    643:                width = 0;
                    644:                break;
                    645:        }
                    646:        offset = 0;
                    647:
                    648:        /*
1.108     kristaps  649:         * First calculate width and offset.  This is pretty easy unless
                    650:         * we're a -column list, in which case all prior columns must
                    651:         * be accounted for.
                    652:         */
                    653:
1.302     schwarze  654:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  655:                offset = a2width(p, bl->norm->Bl.offs);
1.302     schwarze  656:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    657:                        offset = -p->offset;
                    658:                else if (offset > SHRT_MAX)
                    659:                        offset = 0;
                    660:        }
1.152     kristaps  661:
1.1       kristaps  662:        switch (type) {
1.264     schwarze  663:        case LIST_column:
1.314     schwarze  664:                if (n->type == ROFFT_HEAD)
1.1       kristaps  665:                        break;
1.155     kristaps  666:
1.105     kristaps  667:                /*
1.108     kristaps  668:                 * Imitate groff's column handling:
                    669:                 * - For each earlier column, add its width.
                    670:                 * - For less than 5 columns, add four more blanks per
                    671:                 *   column.
                    672:                 * - For exactly 5 columns, add three more blank per
                    673:                 *   column.
                    674:                 * - For more than 5 columns, add only one column.
1.105     kristaps  675:                 */
1.202     kristaps  676:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  677:                dcol = ncols < 5 ? term_len(p, 4) :
                    678:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  679:
1.134     kristaps  680:                /*
1.314     schwarze  681:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    682:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134     kristaps  683:                 */
                    684:
1.264     schwarze  685:                for (i = 0, nn = n->prev;
                    686:                    nn->prev && i < (int)ncols;
                    687:                    nn = nn->prev, i++)
                    688:                        offset += dcol + a2width(p,
                    689:                            bl->norm->Bl.cols[i]);
1.105     kristaps  690:
                    691:                /*
1.108     kristaps  692:                 * When exceeding the declared number of columns, leave
                    693:                 * the remaining widths at 0.  This will later be
                    694:                 * adjusted to the default width of 10, or, for the last
                    695:                 * column, stretched to the right margin.
1.58      kristaps  696:                 */
1.108     kristaps  697:                if (i >= (int)ncols)
                    698:                        break;
1.58      kristaps  699:
1.105     kristaps  700:                /*
1.108     kristaps  701:                 * Use the declared column widths, extended as explained
                    702:                 * in the preceding paragraph.
1.105     kristaps  703:                 */
1.202     kristaps  704:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  705:                break;
                    706:        default:
1.202     kristaps  707:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  708:                        break;
                    709:
1.264     schwarze  710:                /*
1.108     kristaps  711:                 * Note: buffer the width by 2, which is groff's magic
                    712:                 * number for buffering single arguments.  See the above
                    713:                 * handling for column for how this changes.
                    714:                 */
1.202     kristaps  715:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302     schwarze  716:                if (width < 0 && (size_t)(-width) > p->offset)
                    717:                        width = -p->offset;
                    718:                else if (width > SHRT_MAX)
                    719:                        width = 0;
1.1       kristaps  720:                break;
                    721:        }
                    722:
1.264     schwarze  723:        /*
1.17      kristaps  724:         * Whitespace control.  Inset bodies need an initial space,
                    725:         * while diagonal bodies need two.
1.1       kristaps  726:         */
                    727:
1.51      kristaps  728:        p->flags |= TERMP_NOSPACE;
                    729:
1.1       kristaps  730:        switch (type) {
1.264     schwarze  731:        case LIST_diag:
1.314     schwarze  732:                if (n->type == ROFFT_BODY)
1.62      kristaps  733:                        term_word(p, "\\ \\ ");
1.51      kristaps  734:                break;
1.264     schwarze  735:        case LIST_inset:
1.314     schwarze  736:                if (n->type == ROFFT_BODY && n->parent->head->nchild)
1.51      kristaps  737:                        term_word(p, "\\ ");
1.1       kristaps  738:                break;
                    739:        default:
                    740:                break;
                    741:        }
                    742:
1.51      kristaps  743:        p->flags |= TERMP_NOSPACE;
                    744:
1.1       kristaps  745:        switch (type) {
1.264     schwarze  746:        case LIST_diag:
1.314     schwarze  747:                if (n->type == ROFFT_HEAD)
1.102     kristaps  748:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  749:                break;
                    750:        default:
                    751:                break;
                    752:        }
                    753:
                    754:        /*
1.109     kristaps  755:         * Pad and break control.  This is the tricky part.  These flags
                    756:         * are documented in term_flushln() in term.c.  Note that we're
                    757:         * going to unset all of these flags in termp_it_post() when we
                    758:         * exit.
1.1       kristaps  759:         */
                    760:
                    761:        switch (type) {
1.264     schwarze  762:        case LIST_enum:
1.242     schwarze  763:                /*
                    764:                 * Weird special case.
1.302     schwarze  765:                 * Some very narrow lists actually hang.
1.242     schwarze  766:                 */
                    767:                /* FALLTHROUGH */
1.264     schwarze  768:        case LIST_bullet:
1.1       kristaps  769:                /* FALLTHROUGH */
1.264     schwarze  770:        case LIST_dash:
1.1       kristaps  771:                /* FALLTHROUGH */
1.264     schwarze  772:        case LIST_hyphen:
1.302     schwarze  773:                if (width <= (int)term_len(p, 2))
                    774:                        p->flags |= TERMP_HANG;
1.314     schwarze  775:                if (n->type != ROFFT_HEAD)
1.250     schwarze  776:                        break;
                    777:                p->flags |= TERMP_NOBREAK;
                    778:                p->trailspace = 1;
1.39      kristaps  779:                break;
1.264     schwarze  780:        case LIST_hang:
1.314     schwarze  781:                if (n->type != ROFFT_HEAD)
1.59      kristaps  782:                        break;
                    783:
                    784:                /*
                    785:                 * This is ugly.  If `-hang' is specified and the body
                    786:                 * is a `Bl' or `Bd', then we want basically to nullify
                    787:                 * the "overstep" effect in term_flushln() and treat
                    788:                 * this as a `-ohang' list instead.
                    789:                 */
1.279     schwarze  790:                if (NULL != n->next &&
1.278     schwarze  791:                    NULL != n->next->child &&
                    792:                    (MDOC_Bl == n->next->child->tok ||
                    793:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  794:                        break;
                    795:
1.263     schwarze  796:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  797:                p->trailspace = 1;
1.39      kristaps  798:                break;
1.264     schwarze  799:        case LIST_tag:
1.314     schwarze  800:                if (n->type != ROFFT_HEAD)
1.39      kristaps  801:                        break;
1.250     schwarze  802:
1.263     schwarze  803:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  804:                p->trailspace = 2;
                    805:
1.86      kristaps  806:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  807:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  808:                break;
1.264     schwarze  809:        case LIST_column:
1.314     schwarze  810:                if (n->type == ROFFT_HEAD)
1.134     kristaps  811:                        break;
                    812:
1.250     schwarze  813:                if (NULL == n->next) {
1.134     kristaps  814:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  815:                        p->trailspace = 0;
                    816:                } else {
1.134     kristaps  817:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  818:                        p->trailspace = 1;
                    819:                }
1.134     kristaps  820:
1.1       kristaps  821:                break;
1.264     schwarze  822:        case LIST_diag:
1.314     schwarze  823:                if (n->type != ROFFT_HEAD)
1.250     schwarze  824:                        break;
1.263     schwarze  825:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  826:                p->trailspace = 1;
1.1       kristaps  827:                break;
                    828:        default:
                    829:                break;
                    830:        }
                    831:
1.264     schwarze  832:        /*
1.1       kristaps  833:         * Margin control.  Set-head-width lists have their right
                    834:         * margins shortened.  The body for these lists has the offset
                    835:         * necessarily lengthened.  Everybody gets the offset.
                    836:         */
                    837:
                    838:        p->offset += offset;
                    839:
                    840:        switch (type) {
1.264     schwarze  841:        case LIST_hang:
1.59      kristaps  842:                /*
                    843:                 * Same stipulation as above, regarding `-hang'.  We
                    844:                 * don't want to recalculate rmargin and offsets when
                    845:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    846:                 */
1.314     schwarze  847:                if (n->type == ROFFT_HEAD &&
1.279     schwarze  848:                    NULL != n->next &&
1.278     schwarze  849:                    NULL != n->next->child &&
                    850:                    (MDOC_Bl == n->next->child->tok ||
                    851:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  852:                        break;
                    853:                /* FALLTHROUGH */
1.264     schwarze  854:        case LIST_bullet:
1.1       kristaps  855:                /* FALLTHROUGH */
1.264     schwarze  856:        case LIST_dash:
1.1       kristaps  857:                /* FALLTHROUGH */
1.264     schwarze  858:        case LIST_enum:
1.1       kristaps  859:                /* FALLTHROUGH */
1.264     schwarze  860:        case LIST_hyphen:
1.1       kristaps  861:                /* FALLTHROUGH */
1.264     schwarze  862:        case LIST_tag:
1.314     schwarze  863:                if (n->type == ROFFT_HEAD)
1.1       kristaps  864:                        p->rmargin = p->offset + width;
1.292     schwarze  865:                else
1.1       kristaps  866:                        p->offset += width;
                    867:                break;
1.264     schwarze  868:        case LIST_column:
1.49      kristaps  869:                assert(width);
1.1       kristaps  870:                p->rmargin = p->offset + width;
1.264     schwarze  871:                /*
1.50      kristaps  872:                 * XXX - this behaviour is not documented: the
                    873:                 * right-most column is filled to the right margin.
                    874:                 */
1.314     schwarze  875:                if (n->type == ROFFT_HEAD)
1.134     kristaps  876:                        break;
                    877:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  878:                        p->rmargin = p->maxrmargin;
1.1       kristaps  879:                break;
                    880:        default:
                    881:                break;
                    882:        }
                    883:
1.264     schwarze  884:        /*
1.1       kristaps  885:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  886:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  887:         */
                    888:
1.314     schwarze  889:        if (n->type == ROFFT_HEAD)
1.1       kristaps  890:                switch (type) {
1.264     schwarze  891:                case LIST_bullet:
1.102     kristaps  892:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  893:                        term_word(p, "\\[bu]");
1.102     kristaps  894:                        term_fontpop(p);
1.1       kristaps  895:                        break;
1.264     schwarze  896:                case LIST_dash:
1.1       kristaps  897:                        /* FALLTHROUGH */
1.264     schwarze  898:                case LIST_hyphen:
1.102     kristaps  899:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  900:                        term_word(p, "\\(hy");
1.102     kristaps  901:                        term_fontpop(p);
1.1       kristaps  902:                        break;
1.264     schwarze  903:                case LIST_enum:
1.1       kristaps  904:                        (pair->ppair->ppair->count)++;
1.265     schwarze  905:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  906:                            pair->ppair->ppair->count);
1.1       kristaps  907:                        term_word(p, buf);
                    908:                        break;
                    909:                default:
                    910:                        break;
                    911:                }
                    912:
1.264     schwarze  913:        /*
1.1       kristaps  914:         * If we're not going to process our children, indicate so here.
                    915:         */
                    916:
                    917:        switch (type) {
1.264     schwarze  918:        case LIST_bullet:
1.1       kristaps  919:                /* FALLTHROUGH */
1.264     schwarze  920:        case LIST_item:
1.1       kristaps  921:                /* FALLTHROUGH */
1.264     schwarze  922:        case LIST_dash:
1.1       kristaps  923:                /* FALLTHROUGH */
1.264     schwarze  924:        case LIST_hyphen:
1.1       kristaps  925:                /* FALLTHROUGH */
1.264     schwarze  926:        case LIST_enum:
1.314     schwarze  927:                if (n->type == ROFFT_HEAD)
1.1       kristaps  928:                        return(0);
                    929:                break;
1.264     schwarze  930:        case LIST_column:
1.314     schwarze  931:                if (n->type == ROFFT_HEAD)
1.1       kristaps  932:                        return(0);
                    933:                break;
                    934:        default:
                    935:                break;
                    936:        }
                    937:
                    938:        return(1);
                    939: }
                    940:
                    941: static void
                    942: termp_it_post(DECL_ARGS)
                    943: {
1.126     kristaps  944:        enum mdoc_list     type;
1.1       kristaps  945:
1.314     schwarze  946:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  947:                return;
                    948:
1.202     kristaps  949:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  950:
                    951:        switch (type) {
1.264     schwarze  952:        case LIST_item:
1.1       kristaps  953:                /* FALLTHROUGH */
1.264     schwarze  954:        case LIST_diag:
1.53      kristaps  955:                /* FALLTHROUGH */
1.264     schwarze  956:        case LIST_inset:
1.314     schwarze  957:                if (n->type == ROFFT_BODY)
1.130     schwarze  958:                        term_newln(p);
1.1       kristaps  959:                break;
1.264     schwarze  960:        case LIST_column:
1.314     schwarze  961:                if (n->type == ROFFT_BODY)
1.1       kristaps  962:                        term_flushln(p);
                    963:                break;
                    964:        default:
1.130     schwarze  965:                term_newln(p);
1.1       kristaps  966:                break;
                    967:        }
                    968:
1.264     schwarze  969:        /*
1.109     kristaps  970:         * Now that our output is flushed, we can reset our tags.  Since
                    971:         * only `It' sets these flags, we're free to assume that nobody
                    972:         * has munged them in the meanwhile.
                    973:         */
                    974:
1.263     schwarze  975:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                    976:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  977:        p->trailspace = 0;
1.1       kristaps  978: }
                    979:
                    980: static int
                    981: termp_nm_pre(DECL_ARGS)
                    982: {
1.296     schwarze  983:        const char      *cp;
1.1       kristaps  984:
1.314     schwarze  985:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze  986:                p->flags |= TERMP_PREKEEP;
1.164     schwarze  987:                return(1);
1.253     schwarze  988:        }
1.164     schwarze  989:
1.314     schwarze  990:        if (n->type == ROFFT_BODY) {
1.164     schwarze  991:                if (NULL == n->child)
                    992:                        return(0);
1.234     schwarze  993:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  994:                cp = NULL;
                    995:                if (n->prev->child != NULL)
                    996:                    cp = n->prev->child->string;
                    997:                if (cp == NULL)
                    998:                        cp = meta->name;
                    999:                if (cp == NULL)
                   1000:                        p->offset += term_len(p, 6);
                   1001:                else
                   1002:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.164     schwarze 1003:                return(1);
                   1004:        }
                   1005:
1.245     schwarze 1006:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1007:                return(0);
1.125     kristaps 1008:
1.314     schwarze 1009:        if (n->type == ROFFT_HEAD)
1.177     schwarze 1010:                synopsis_pre(p, n->parent);
1.102     kristaps 1011:
1.314     schwarze 1012:        if (n->type == ROFFT_HEAD &&
1.278     schwarze 1013:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1014:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1015:                p->trailspace = 1;
1.185     schwarze 1016:                p->rmargin = p->offset + term_len(p, 1);
                   1017:                if (NULL == n->child) {
1.245     schwarze 1018:                        p->rmargin += term_strlen(p, meta->name);
1.314     schwarze 1019:                } else if (n->child->type == ROFFT_TEXT) {
1.185     schwarze 1020:                        p->rmargin += term_strlen(p, n->child->string);
                   1021:                        if (n->child->next)
                   1022:                                p->flags |= TERMP_HANG;
                   1023:                } else {
                   1024:                        p->rmargin += term_len(p, 5);
                   1025:                        p->flags |= TERMP_HANG;
                   1026:                }
1.164     schwarze 1027:        }
                   1028:
1.102     kristaps 1029:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1030:        if (NULL == n->child)
1.245     schwarze 1031:                term_word(p, meta->name);
1.1       kristaps 1032:        return(1);
                   1033: }
                   1034:
1.164     schwarze 1035: static void
                   1036: termp_nm_post(DECL_ARGS)
                   1037: {
                   1038:
1.314     schwarze 1039:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze 1040:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314     schwarze 1041:        } else if (n->type == ROFFT_HEAD &&
1.278     schwarze 1042:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1043:                term_flushln(p);
1.263     schwarze 1044:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1045:                p->trailspace = 0;
1.314     schwarze 1046:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164     schwarze 1047:                term_flushln(p);
                   1048: }
                   1049:
1.1       kristaps 1050: static int
                   1051: termp_fl_pre(DECL_ARGS)
                   1052: {
                   1053:
1.102     kristaps 1054:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1055:        term_word(p, "\\-");
1.103     kristaps 1056:
1.280     schwarze 1057:        if ( ! (n->nchild == 0 &&
                   1058:            (n->next == NULL ||
1.314     schwarze 1059:             n->next->type == ROFFT_TEXT ||
1.280     schwarze 1060:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1061:                p->flags |= TERMP_NOSPACE;
                   1062:
1.1       kristaps 1063:        return(1);
                   1064: }
                   1065:
                   1066: static int
1.184     kristaps 1067: termp__a_pre(DECL_ARGS)
                   1068: {
                   1069:
                   1070:        if (n->prev && MDOC__A == n->prev->tok)
                   1071:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1072:                        term_word(p, "and");
                   1073:
                   1074:        return(1);
                   1075: }
                   1076:
                   1077: static int
1.61      kristaps 1078: termp_an_pre(DECL_ARGS)
                   1079: {
                   1080:
1.282     schwarze 1081:        if (n->norm->An.auth == AUTH_split) {
                   1082:                p->flags &= ~TERMP_NOSPLIT;
                   1083:                p->flags |= TERMP_SPLIT;
                   1084:                return(0);
                   1085:        }
                   1086:        if (n->norm->An.auth == AUTH_nosplit) {
                   1087:                p->flags &= ~TERMP_SPLIT;
                   1088:                p->flags |= TERMP_NOSPLIT;
                   1089:                return(0);
                   1090:        }
1.264     schwarze 1091:
1.282     schwarze 1092:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1093:                term_newln(p);
                   1094:
1.282     schwarze 1095:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1096:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1097:
                   1098:        return(1);
                   1099: }
                   1100:
                   1101: static int
1.1       kristaps 1102: termp_ns_pre(DECL_ARGS)
                   1103: {
                   1104:
1.215     kristaps 1105:        if ( ! (MDOC_LINE & n->flags))
                   1106:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1107:        return(1);
                   1108: }
                   1109:
                   1110: static int
                   1111: termp_rs_pre(DECL_ARGS)
                   1112: {
                   1113:
1.86      kristaps 1114:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1115:                return(1);
1.314     schwarze 1116:        if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1       kristaps 1117:                term_vspace(p);
                   1118:        return(1);
                   1119: }
                   1120:
                   1121: static int
                   1122: termp_rv_pre(DECL_ARGS)
                   1123: {
1.223     kristaps 1124:        int              nchild;
1.1       kristaps 1125:
                   1126:        term_newln(p);
                   1127:
1.223     kristaps 1128:        nchild = n->nchild;
1.273     schwarze 1129:        if (nchild > 0) {
                   1130:                term_word(p, "The");
1.224     kristaps 1131:
1.273     schwarze 1132:                for (n = n->child; n; n = n->next) {
                   1133:                        term_fontpush(p, TERMFONT_BOLD);
                   1134:                        term_word(p, n->string);
                   1135:                        term_fontpop(p);
1.223     kristaps 1136:
                   1137:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1138:                        term_word(p, "()");
                   1139:
                   1140:                        if (n->next == NULL)
                   1141:                                continue;
                   1142:
                   1143:                        if (nchild > 2) {
                   1144:                                p->flags |= TERMP_NOSPACE;
                   1145:                                term_word(p, ",");
                   1146:                        }
                   1147:                        if (n->next->next == NULL)
                   1148:                                term_word(p, "and");
1.223     kristaps 1149:                }
                   1150:
1.273     schwarze 1151:                if (nchild > 1)
                   1152:                        term_word(p, "functions return");
                   1153:                else
                   1154:                        term_word(p, "function returns");
                   1155:
                   1156:                term_word(p, "the value\\~0 if successful;");
                   1157:        } else
                   1158:                term_word(p, "Upon successful completion,"
                   1159:                    " the value\\~0 is returned;");
1.1       kristaps 1160:
1.273     schwarze 1161:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1162:            " and the global variable");
1.1       kristaps 1163:
1.102     kristaps 1164:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1165:        term_word(p, "errno");
1.102     kristaps 1166:        term_fontpop(p);
1.1       kristaps 1167:
1.264     schwarze 1168:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1169:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1170:
1.68      kristaps 1171:        return(0);
1.1       kristaps 1172: }
                   1173:
                   1174: static int
                   1175: termp_ex_pre(DECL_ARGS)
                   1176: {
1.224     kristaps 1177:        int              nchild;
1.1       kristaps 1178:
1.224     kristaps 1179:        term_newln(p);
1.68      kristaps 1180:        term_word(p, "The");
1.1       kristaps 1181:
1.224     kristaps 1182:        nchild = n->nchild;
                   1183:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1184:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1185:                term_word(p, n->string);
1.102     kristaps 1186:                term_fontpop(p);
1.224     kristaps 1187:
                   1188:                if (nchild > 2 && n->next) {
                   1189:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1190:                        term_word(p, ",");
1.224     kristaps 1191:                }
                   1192:
                   1193:                if (n->next && NULL == n->next->next)
                   1194:                        term_word(p, "and");
1.68      kristaps 1195:        }
                   1196:
1.224     kristaps 1197:        if (nchild > 1)
1.273     schwarze 1198:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1199:        else
1.273     schwarze 1200:                term_word(p, "utility exits\\~0");
1.68      kristaps 1201:
1.273     schwarze 1202:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1203:
1.131     kristaps 1204:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1205:        return(0);
1.1       kristaps 1206: }
                   1207:
                   1208: static int
                   1209: termp_nd_pre(DECL_ARGS)
                   1210: {
1.25      kristaps 1211:
1.314     schwarze 1212:        if (n->type == ROFFT_BODY)
1.297     schwarze 1213:                term_word(p, "\\(en");
1.1       kristaps 1214:        return(1);
1.115     kristaps 1215: }
                   1216:
                   1217: static int
                   1218: termp_bl_pre(DECL_ARGS)
                   1219: {
                   1220:
1.314     schwarze 1221:        return(n->type != ROFFT_HEAD);
1.1       kristaps 1222: }
                   1223:
                   1224: static void
                   1225: termp_bl_post(DECL_ARGS)
                   1226: {
                   1227:
1.314     schwarze 1228:        if (n->type == ROFFT_BLOCK)
1.1       kristaps 1229:                term_newln(p);
                   1230: }
                   1231:
                   1232: static int
                   1233: termp_xr_pre(DECL_ARGS)
                   1234: {
                   1235:
1.225     kristaps 1236:        if (NULL == (n = n->child))
1.113     kristaps 1237:                return(0);
                   1238:
1.314     schwarze 1239:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1240:        term_word(p, n->string);
1.11      kristaps 1241:
1.264     schwarze 1242:        if (NULL == (n = n->next))
1.1       kristaps 1243:                return(0);
1.225     kristaps 1244:
1.1       kristaps 1245:        p->flags |= TERMP_NOSPACE;
                   1246:        term_word(p, "(");
1.222     kristaps 1247:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1248:
1.314     schwarze 1249:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1250:        term_word(p, n->string);
                   1251:
1.222     kristaps 1252:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1253:        term_word(p, ")");
1.86      kristaps 1254:
1.1       kristaps 1255:        return(0);
                   1256: }
                   1257:
1.143     kristaps 1258: /*
                   1259:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1260:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1261:  * macro combos).
                   1262:  */
                   1263: static void
1.315     schwarze 1264: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143     kristaps 1265: {
1.264     schwarze 1266:        /*
1.143     kristaps 1267:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1268:         * exist, do nothing.
                   1269:         */
1.160     kristaps 1270:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1271:                return;
                   1272:
                   1273:        /*
                   1274:         * If we're the second in a pair of like elements, emit our
                   1275:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1276:         * case we soldier on.
                   1277:         */
1.264     schwarze 1278:        if (n->prev->tok == n->tok &&
                   1279:            MDOC_Ft != n->tok &&
                   1280:            MDOC_Fo != n->tok &&
                   1281:            MDOC_Fn != n->tok) {
1.143     kristaps 1282:                term_newln(p);
                   1283:                return;
                   1284:        }
                   1285:
                   1286:        /*
                   1287:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1288:         * another (or Fn/Fo, which we've let slip through) then assert
                   1289:         * vertical space, else only newline and move on.
                   1290:         */
                   1291:        switch (n->prev->tok) {
1.264     schwarze 1292:        case MDOC_Fd:
1.143     kristaps 1293:                /* FALLTHROUGH */
1.264     schwarze 1294:        case MDOC_Fn:
1.143     kristaps 1295:                /* FALLTHROUGH */
1.264     schwarze 1296:        case MDOC_Fo:
1.143     kristaps 1297:                /* FALLTHROUGH */
1.264     schwarze 1298:        case MDOC_In:
1.143     kristaps 1299:                /* FALLTHROUGH */
1.264     schwarze 1300:        case MDOC_Vt:
1.143     kristaps 1301:                term_vspace(p);
                   1302:                break;
1.264     schwarze 1303:        case MDOC_Ft:
1.143     kristaps 1304:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1305:                        term_vspace(p);
                   1306:                        break;
                   1307:                }
                   1308:                /* FALLTHROUGH */
                   1309:        default:
                   1310:                term_newln(p);
                   1311:                break;
                   1312:        }
                   1313: }
                   1314:
1.110     kristaps 1315: static int
                   1316: termp_vt_pre(DECL_ARGS)
                   1317: {
                   1318:
1.314     schwarze 1319:        if (n->type == ROFFT_ELEM) {
1.143     kristaps 1320:                synopsis_pre(p, n);
1.245     schwarze 1321:                return(termp_under_pre(p, pair, meta, n));
1.314     schwarze 1322:        } else if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1323:                synopsis_pre(p, n);
                   1324:                return(1);
1.314     schwarze 1325:        } else if (n->type == ROFFT_HEAD)
1.110     kristaps 1326:                return(0);
                   1327:
1.245     schwarze 1328:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1329: }
                   1330:
1.1       kristaps 1331: static int
1.69      kristaps 1332: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1333: {
                   1334:
1.102     kristaps 1335:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1336:        return(1);
                   1337: }
                   1338:
1.143     kristaps 1339: static int
                   1340: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1341: {
                   1342:
1.143     kristaps 1343:        synopsis_pre(p, n);
1.245     schwarze 1344:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1345: }
                   1346:
1.241     schwarze 1347: static void
                   1348: termp_fd_post(DECL_ARGS)
                   1349: {
                   1350:
                   1351:        term_newln(p);
                   1352: }
                   1353:
1.1       kristaps 1354: static int
                   1355: termp_sh_pre(DECL_ARGS)
                   1356: {
1.85      kristaps 1357:
1.86      kristaps 1358:        switch (n->type) {
1.314     schwarze 1359:        case ROFFT_BLOCK:
1.293     schwarze 1360:                /*
                   1361:                 * Vertical space before sections, except
                   1362:                 * when the previous section was empty.
                   1363:                 */
                   1364:                if (n->prev == NULL ||
                   1365:                    MDOC_Sh != n->prev->tok ||
                   1366:                    (n->prev->body != NULL &&
                   1367:                     n->prev->body->child != NULL))
                   1368:                        term_vspace(p);
1.65      kristaps 1369:                break;
1.314     schwarze 1370:        case ROFFT_HEAD:
1.102     kristaps 1371:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1372:                break;
1.314     schwarze 1373:        case ROFFT_BODY:
1.238     schwarze 1374:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1375:                if (SEC_AUTHORS == n->sec)
                   1376:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1377:                break;
                   1378:        default:
                   1379:                break;
                   1380:        }
                   1381:        return(1);
                   1382: }
                   1383:
                   1384: static void
                   1385: termp_sh_post(DECL_ARGS)
                   1386: {
                   1387:
1.86      kristaps 1388:        switch (n->type) {
1.314     schwarze 1389:        case ROFFT_HEAD:
1.1       kristaps 1390:                term_newln(p);
                   1391:                break;
1.314     schwarze 1392:        case ROFFT_BODY:
1.1       kristaps 1393:                term_newln(p);
                   1394:                p->offset = 0;
                   1395:                break;
                   1396:        default:
                   1397:                break;
                   1398:        }
                   1399: }
                   1400:
                   1401: static int
                   1402: termp_bt_pre(DECL_ARGS)
                   1403: {
                   1404:
                   1405:        term_word(p, "is currently in beta test.");
1.131     kristaps 1406:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1407:        return(0);
1.1       kristaps 1408: }
                   1409:
                   1410: static void
                   1411: termp_lb_post(DECL_ARGS)
                   1412: {
                   1413:
1.122     kristaps 1414:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1415:                term_newln(p);
1.1       kristaps 1416: }
                   1417:
                   1418: static int
                   1419: termp_ud_pre(DECL_ARGS)
                   1420: {
                   1421:
                   1422:        term_word(p, "currently under development.");
1.131     kristaps 1423:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1424:        return(0);
1.1       kristaps 1425: }
                   1426:
                   1427: static int
                   1428: termp_d1_pre(DECL_ARGS)
                   1429: {
                   1430:
1.314     schwarze 1431:        if (n->type != ROFFT_BLOCK)
1.1       kristaps 1432:                return(1);
                   1433:        term_newln(p);
1.238     schwarze 1434:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1435:        return(1);
                   1436: }
                   1437:
                   1438: static int
                   1439: termp_ft_pre(DECL_ARGS)
                   1440: {
                   1441:
1.141     kristaps 1442:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1443:        synopsis_pre(p, n);
1.102     kristaps 1444:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1445:        return(1);
                   1446: }
                   1447:
                   1448: static int
                   1449: termp_fn_pre(DECL_ARGS)
                   1450: {
1.257     schwarze 1451:        size_t           rmargin = 0;
1.226     kristaps 1452:        int              pretty;
                   1453:
                   1454:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1455:
1.143     kristaps 1456:        synopsis_pre(p, n);
1.139     kristaps 1457:
1.226     kristaps 1458:        if (NULL == (n = n->child))
                   1459:                return(0);
                   1460:
1.251     schwarze 1461:        if (pretty) {
                   1462:                rmargin = p->rmargin;
1.257     schwarze 1463:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1464:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1465:        }
                   1466:
1.314     schwarze 1467:        assert(n->type == ROFFT_TEXT);
1.102     kristaps 1468:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1469:        term_word(p, n->string);
1.102     kristaps 1470:        term_fontpop(p);
1.1       kristaps 1471:
1.251     schwarze 1472:        if (pretty) {
                   1473:                term_flushln(p);
1.263     schwarze 1474:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1475:                p->offset = p->rmargin;
                   1476:                p->rmargin = rmargin;
                   1477:        }
                   1478:
1.1       kristaps 1479:        p->flags |= TERMP_NOSPACE;
                   1480:        term_word(p, "(");
1.222     kristaps 1481:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1482:
1.226     kristaps 1483:        for (n = n->next; n; n = n->next) {
1.314     schwarze 1484:                assert(n->type == ROFFT_TEXT);
1.102     kristaps 1485:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1486:                if (pretty)
                   1487:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1488:                term_word(p, n->string);
1.102     kristaps 1489:                term_fontpop(p);
                   1490:
1.226     kristaps 1491:                if (n->next) {
1.222     kristaps 1492:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1493:                        term_word(p, ",");
1.222     kristaps 1494:                }
1.1       kristaps 1495:        }
                   1496:
1.222     kristaps 1497:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1498:        term_word(p, ")");
                   1499:
1.226     kristaps 1500:        if (pretty) {
1.222     kristaps 1501:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1502:                term_word(p, ";");
1.251     schwarze 1503:                term_flushln(p);
1.222     kristaps 1504:        }
1.1       kristaps 1505:
                   1506:        return(0);
                   1507: }
                   1508:
                   1509: static int
                   1510: termp_fa_pre(DECL_ARGS)
                   1511: {
1.315     schwarze 1512:        const struct roff_node  *nn;
1.1       kristaps 1513:
1.86      kristaps 1514:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1515:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1516:                return(1);
                   1517:        }
                   1518:
1.86      kristaps 1519:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1520:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1521:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1522:                term_word(p, nn->string);
1.102     kristaps 1523:                term_fontpop(p);
                   1524:
1.256     schwarze 1525:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1526:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1527:                        term_word(p, ",");
1.222     kristaps 1528:                }
1.1       kristaps 1529:        }
                   1530:
                   1531:        return(0);
                   1532: }
                   1533:
                   1534: static int
                   1535: termp_bd_pre(DECL_ARGS)
                   1536: {
1.272     schwarze 1537:        size_t                   tabwidth, lm, len, rm, rmax;
1.315     schwarze 1538:        struct roff_node        *nn;
1.302     schwarze 1539:        int                      offset;
1.1       kristaps 1540:
1.314     schwarze 1541:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps 1542:                print_bvspace(p, n, n);
1.54      kristaps 1543:                return(1);
1.314     schwarze 1544:        } else if (n->type == ROFFT_HEAD)
1.116     kristaps 1545:                return(0);
1.1       kristaps 1546:
1.288     schwarze 1547:        /* Handle the -offset argument. */
                   1548:
                   1549:        if (n->norm->Bd.offs == NULL ||
                   1550:            ! strcmp(n->norm->Bd.offs, "left"))
                   1551:                /* nothing */;
                   1552:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1553:                p->offset += term_len(p, p->defindent + 1);
                   1554:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1555:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1556:        else {
                   1557:                offset = a2width(p, n->norm->Bd.offs);
                   1558:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1559:                        p->offset = 0;
                   1560:                else if (offset < SHRT_MAX)
                   1561:                        p->offset += offset;
                   1562:        }
1.85      kristaps 1563:
                   1564:        /*
                   1565:         * If -ragged or -filled are specified, the block does nothing
                   1566:         * but change the indentation.  If -unfilled or -literal are
                   1567:         * specified, text is printed exactly as entered in the display:
                   1568:         * for macro lines, a newline is appended to the line.  Blank
                   1569:         * lines are allowed.
                   1570:         */
1.264     schwarze 1571:
                   1572:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1573:            DISP_unfilled != n->norm->Bd.type &&
                   1574:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1575:                return(1);
                   1576:
1.129     schwarze 1577:        tabwidth = p->tabwidth;
1.208     kristaps 1578:        if (DISP_literal == n->norm->Bd.type)
                   1579:                p->tabwidth = term_len(p, 8);
                   1580:
1.272     schwarze 1581:        lm = p->offset;
1.119     kristaps 1582:        rm = p->rmargin;
                   1583:        rmax = p->maxrmargin;
1.120     kristaps 1584:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1585:
1.86      kristaps 1586:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1587:                if (DISP_centered == n->norm->Bd.type) {
1.314     schwarze 1588:                        if (nn->type == ROFFT_TEXT) {
1.272     schwarze 1589:                                len = term_strlen(p, nn->string);
                   1590:                                p->offset = len >= rm ? 0 :
                   1591:                                    lm + len >= rm ? rm - len :
                   1592:                                    (lm + rm - len) / 2;
                   1593:                        } else
                   1594:                                p->offset = lm;
                   1595:                }
1.245     schwarze 1596:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1597:                /*
                   1598:                 * If the printed node flushes its own line, then we
                   1599:                 * needn't do it here as well.  This is hacky, but the
                   1600:                 * notion of selective eoln whitespace is pretty dumb
                   1601:                 * anyway, so don't sweat it.
                   1602:                 */
                   1603:                switch (nn->tok) {
1.264     schwarze 1604:                case MDOC_Sm:
1.193     kristaps 1605:                        /* FALLTHROUGH */
1.264     schwarze 1606:                case MDOC_br:
1.190     kristaps 1607:                        /* FALLTHROUGH */
1.264     schwarze 1608:                case MDOC_sp:
1.190     kristaps 1609:                        /* FALLTHROUGH */
1.264     schwarze 1610:                case MDOC_Bl:
1.196     kristaps 1611:                        /* FALLTHROUGH */
1.264     schwarze 1612:                case MDOC_D1:
1.196     kristaps 1613:                        /* FALLTHROUGH */
1.264     schwarze 1614:                case MDOC_Dl:
1.190     kristaps 1615:                        /* FALLTHROUGH */
1.264     schwarze 1616:                case MDOC_Lp:
1.190     kristaps 1617:                        /* FALLTHROUGH */
1.264     schwarze 1618:                case MDOC_Pp:
1.190     kristaps 1619:                        continue;
                   1620:                default:
                   1621:                        break;
                   1622:                }
1.299     schwarze 1623:                if (p->flags & TERMP_NONEWLINE ||
                   1624:                    (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180     schwarze 1625:                        continue;
                   1626:                term_flushln(p);
                   1627:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1628:        }
1.147     kristaps 1629:
1.129     schwarze 1630:        p->tabwidth = tabwidth;
1.119     kristaps 1631:        p->rmargin = rm;
                   1632:        p->maxrmargin = rmax;
1.1       kristaps 1633:        return(0);
                   1634: }
                   1635:
                   1636: static void
                   1637: termp_bd_post(DECL_ARGS)
                   1638: {
1.119     kristaps 1639:        size_t           rm, rmax;
1.1       kristaps 1640:
1.314     schwarze 1641:        if (n->type != ROFFT_BODY)
1.1       kristaps 1642:                return;
1.118     kristaps 1643:
1.119     kristaps 1644:        rm = p->rmargin;
                   1645:        rmax = p->maxrmargin;
1.118     kristaps 1646:
1.264     schwarze 1647:        if (DISP_literal == n->norm->Bd.type ||
                   1648:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1649:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1650:
1.60      kristaps 1651:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1652:        term_newln(p);
1.118     kristaps 1653:
1.119     kristaps 1654:        p->rmargin = rm;
                   1655:        p->maxrmargin = rmax;
1.1       kristaps 1656: }
                   1657:
1.211     kristaps 1658: static int
                   1659: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1660: {
                   1661:
1.211     kristaps 1662:        if (NULL != (n = n->child)) {
                   1663:                term_word(p, n->string);
                   1664:                p->flags |= TERMP_NOSPACE;
                   1665:                term_word(p, "BSD");
                   1666:        } else {
                   1667:                term_word(p, "BSD");
                   1668:                return(0);
                   1669:        }
                   1670:
                   1671:        if (NULL != (n = n->next)) {
                   1672:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1673:                term_word(p, "-");
1.1       kristaps 1674:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1675:                term_word(p, n->string);
1.211     kristaps 1676:        }
                   1677:
                   1678:        return(0);
1.1       kristaps 1679: }
                   1680:
                   1681: static int
1.26      kristaps 1682: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1683: {
1.26      kristaps 1684:        const char      *pp;
1.218     schwarze 1685:        int              flags;
1.1       kristaps 1686:
1.26      kristaps 1687:        pp = NULL;
1.86      kristaps 1688:        switch (n->tok) {
1.264     schwarze 1689:        case MDOC_Bsx:
1.194     schwarze 1690:                pp = "BSD/OS";
1.26      kristaps 1691:                break;
1.264     schwarze 1692:        case MDOC_Dx:
1.100     kristaps 1693:                pp = "DragonFly";
1.26      kristaps 1694:                break;
1.264     schwarze 1695:        case MDOC_Fx:
1.26      kristaps 1696:                pp = "FreeBSD";
                   1697:                break;
1.264     schwarze 1698:        case MDOC_Nx:
1.26      kristaps 1699:                pp = "NetBSD";
                   1700:                break;
1.264     schwarze 1701:        case MDOC_Ox:
1.26      kristaps 1702:                pp = "OpenBSD";
                   1703:                break;
1.264     schwarze 1704:        case MDOC_Ux:
1.26      kristaps 1705:                pp = "UNIX";
                   1706:                break;
                   1707:        default:
1.246     schwarze 1708:                abort();
                   1709:                /* NOTREACHED */
1.26      kristaps 1710:        }
1.1       kristaps 1711:
1.26      kristaps 1712:        term_word(p, pp);
1.214     kristaps 1713:        if (n->child) {
1.218     schwarze 1714:                flags = p->flags;
1.214     kristaps 1715:                p->flags |= TERMP_KEEP;
                   1716:                term_word(p, n->child->string);
1.218     schwarze 1717:                p->flags = flags;
1.214     kristaps 1718:        }
                   1719:        return(0);
1.1       kristaps 1720: }
                   1721:
                   1722: static void
                   1723: termp_pf_post(DECL_ARGS)
                   1724: {
                   1725:
1.298     schwarze 1726:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1727:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1728: }
                   1729:
                   1730: static int
                   1731: termp_ss_pre(DECL_ARGS)
                   1732: {
                   1733:
1.86      kristaps 1734:        switch (n->type) {
1.314     schwarze 1735:        case ROFFT_BLOCK:
1.1       kristaps 1736:                term_newln(p);
1.86      kristaps 1737:                if (n->prev)
1.1       kristaps 1738:                        term_vspace(p);
                   1739:                break;
1.314     schwarze 1740:        case ROFFT_HEAD:
1.102     kristaps 1741:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1742:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1743:                break;
1.314     schwarze 1744:        case ROFFT_BODY:
1.274     schwarze 1745:                p->offset = term_len(p, p->defindent);
                   1746:                break;
1.1       kristaps 1747:        default:
                   1748:                break;
                   1749:        }
                   1750:
                   1751:        return(1);
                   1752: }
                   1753:
                   1754: static void
                   1755: termp_ss_post(DECL_ARGS)
                   1756: {
                   1757:
1.314     schwarze 1758:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1759:                term_newln(p);
                   1760: }
                   1761:
                   1762: static int
                   1763: termp_cd_pre(DECL_ARGS)
                   1764: {
                   1765:
1.143     kristaps 1766:        synopsis_pre(p, n);
1.102     kristaps 1767:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1768:        return(1);
                   1769: }
                   1770:
                   1771: static int
                   1772: termp_in_pre(DECL_ARGS)
                   1773: {
1.142     schwarze 1774:
1.143     kristaps 1775:        synopsis_pre(p, n);
1.1       kristaps 1776:
1.160     kristaps 1777:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1778:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1779:                term_word(p, "#include");
1.138     kristaps 1780:                term_word(p, "<");
                   1781:        } else {
                   1782:                term_word(p, "<");
                   1783:                term_fontpush(p, TERMFONT_UNDER);
                   1784:        }
1.22      kristaps 1785:
1.1       kristaps 1786:        p->flags |= TERMP_NOSPACE;
                   1787:        return(1);
                   1788: }
                   1789:
                   1790: static void
                   1791: termp_in_post(DECL_ARGS)
                   1792: {
                   1793:
1.160     kristaps 1794:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1795:                term_fontpush(p, TERMFONT_BOLD);
                   1796:
1.79      kristaps 1797:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1798:        term_word(p, ">");
                   1799:
1.160     kristaps 1800:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1801:                term_fontpop(p);
1.1       kristaps 1802: }
                   1803:
                   1804: static int
1.45      kristaps 1805: termp_sp_pre(DECL_ARGS)
                   1806: {
1.300     schwarze 1807:        struct roffsu    su;
1.312     schwarze 1808:        int              i, len;
1.45      kristaps 1809:
1.86      kristaps 1810:        switch (n->tok) {
1.264     schwarze 1811:        case MDOC_sp:
1.300     schwarze 1812:                if (n->child) {
                   1813:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1814:                                su.scale = 1.0;
                   1815:                        len = term_vspan(p, &su);
                   1816:                } else
                   1817:                        len = 1;
1.76      kristaps 1818:                break;
1.264     schwarze 1819:        case MDOC_br:
1.76      kristaps 1820:                len = 0;
                   1821:                break;
                   1822:        default:
                   1823:                len = 1;
                   1824:                break;
1.45      kristaps 1825:        }
                   1826:
                   1827:        if (0 == len)
                   1828:                term_newln(p);
1.312     schwarze 1829:        else if (len < 0)
                   1830:                p->skipvsp -= len;
                   1831:        else
                   1832:                for (i = 0; i < len; i++)
                   1833:                        term_vspace(p);
1.45      kristaps 1834:
                   1835:        return(0);
                   1836: }
                   1837:
                   1838: static int
1.294     schwarze 1839: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1840: {
                   1841:
                   1842:        return(0);
                   1843: }
                   1844:
                   1845: static int
1.188     kristaps 1846: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1847: {
                   1848:
1.314     schwarze 1849:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1850:                return(1);
                   1851:
1.188     kristaps 1852:        switch (n->tok) {
1.264     schwarze 1853:        case MDOC_Ao:
1.188     kristaps 1854:                /* FALLTHROUGH */
1.264     schwarze 1855:        case MDOC_Aq:
1.303     schwarze 1856:                term_word(p, n->nchild == 1 &&
                   1857:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1858:                break;
1.264     schwarze 1859:        case MDOC_Bro:
1.188     kristaps 1860:                /* FALLTHROUGH */
1.264     schwarze 1861:        case MDOC_Brq:
1.188     kristaps 1862:                term_word(p, "{");
                   1863:                break;
1.264     schwarze 1864:        case MDOC_Oo:
1.188     kristaps 1865:                /* FALLTHROUGH */
1.264     schwarze 1866:        case MDOC_Op:
1.188     kristaps 1867:                /* FALLTHROUGH */
1.264     schwarze 1868:        case MDOC_Bo:
1.188     kristaps 1869:                /* FALLTHROUGH */
1.264     schwarze 1870:        case MDOC_Bq:
1.188     kristaps 1871:                term_word(p, "[");
                   1872:                break;
1.264     schwarze 1873:        case MDOC_Do:
1.188     kristaps 1874:                /* FALLTHROUGH */
1.264     schwarze 1875:        case MDOC_Dq:
1.311     schwarze 1876:                term_word(p, "\\(Lq");
1.188     kristaps 1877:                break;
1.268     schwarze 1878:        case MDOC_En:
                   1879:                if (NULL == n->norm->Es ||
                   1880:                    NULL == n->norm->Es->child)
                   1881:                        return(1);
                   1882:                term_word(p, n->norm->Es->child->string);
                   1883:                break;
1.264     schwarze 1884:        case MDOC_Po:
1.188     kristaps 1885:                /* FALLTHROUGH */
1.264     schwarze 1886:        case MDOC_Pq:
1.188     kristaps 1887:                term_word(p, "(");
                   1888:                break;
1.264     schwarze 1889:        case MDOC__T:
1.205     kristaps 1890:                /* FALLTHROUGH */
1.264     schwarze 1891:        case MDOC_Qo:
1.188     kristaps 1892:                /* FALLTHROUGH */
1.264     schwarze 1893:        case MDOC_Qq:
1.188     kristaps 1894:                term_word(p, "\"");
                   1895:                break;
1.264     schwarze 1896:        case MDOC_Ql:
1.188     kristaps 1897:                /* FALLTHROUGH */
1.264     schwarze 1898:        case MDOC_So:
1.188     kristaps 1899:                /* FALLTHROUGH */
1.264     schwarze 1900:        case MDOC_Sq:
1.249     schwarze 1901:                term_word(p, "\\(oq");
1.188     kristaps 1902:                break;
                   1903:        default:
                   1904:                abort();
                   1905:                /* NOTREACHED */
                   1906:        }
1.1       kristaps 1907:
                   1908:        p->flags |= TERMP_NOSPACE;
                   1909:        return(1);
                   1910: }
                   1911:
                   1912: static void
1.188     kristaps 1913: termp_quote_post(DECL_ARGS)
1.1       kristaps 1914: {
                   1915:
1.314     schwarze 1916:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1917:                return;
                   1918:
1.306     schwarze 1919:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1920:
1.188     kristaps 1921:        switch (n->tok) {
1.264     schwarze 1922:        case MDOC_Ao:
1.188     kristaps 1923:                /* FALLTHROUGH */
1.264     schwarze 1924:        case MDOC_Aq:
1.303     schwarze 1925:                term_word(p, n->nchild == 1 &&
                   1926:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1927:                break;
1.264     schwarze 1928:        case MDOC_Bro:
1.188     kristaps 1929:                /* FALLTHROUGH */
1.264     schwarze 1930:        case MDOC_Brq:
1.188     kristaps 1931:                term_word(p, "}");
                   1932:                break;
1.264     schwarze 1933:        case MDOC_Oo:
1.188     kristaps 1934:                /* FALLTHROUGH */
1.264     schwarze 1935:        case MDOC_Op:
1.188     kristaps 1936:                /* FALLTHROUGH */
1.264     schwarze 1937:        case MDOC_Bo:
1.188     kristaps 1938:                /* FALLTHROUGH */
1.264     schwarze 1939:        case MDOC_Bq:
1.188     kristaps 1940:                term_word(p, "]");
                   1941:                break;
1.264     schwarze 1942:        case MDOC_Do:
1.188     kristaps 1943:                /* FALLTHROUGH */
1.264     schwarze 1944:        case MDOC_Dq:
1.311     schwarze 1945:                term_word(p, "\\(Rq");
1.268     schwarze 1946:                break;
                   1947:        case MDOC_En:
1.306     schwarze 1948:                if (n->norm->Es == NULL ||
                   1949:                    n->norm->Es->child == NULL ||
                   1950:                    n->norm->Es->child->next == NULL)
                   1951:                        p->flags &= ~TERMP_NOSPACE;
                   1952:                else
1.268     schwarze 1953:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1954:                break;
1.264     schwarze 1955:        case MDOC_Po:
1.188     kristaps 1956:                /* FALLTHROUGH */
1.264     schwarze 1957:        case MDOC_Pq:
1.188     kristaps 1958:                term_word(p, ")");
                   1959:                break;
1.264     schwarze 1960:        case MDOC__T:
1.205     kristaps 1961:                /* FALLTHROUGH */
1.264     schwarze 1962:        case MDOC_Qo:
1.188     kristaps 1963:                /* FALLTHROUGH */
1.264     schwarze 1964:        case MDOC_Qq:
1.188     kristaps 1965:                term_word(p, "\"");
                   1966:                break;
1.264     schwarze 1967:        case MDOC_Ql:
1.188     kristaps 1968:                /* FALLTHROUGH */
1.264     schwarze 1969:        case MDOC_So:
1.188     kristaps 1970:                /* FALLTHROUGH */
1.264     schwarze 1971:        case MDOC_Sq:
1.249     schwarze 1972:                term_word(p, "\\(cq");
1.188     kristaps 1973:                break;
                   1974:        default:
                   1975:                abort();
                   1976:                /* NOTREACHED */
                   1977:        }
1.306     schwarze 1978: }
                   1979:
                   1980: static int
                   1981: termp_eo_pre(DECL_ARGS)
                   1982: {
                   1983:
1.314     schwarze 1984:        if (n->type != ROFFT_BODY)
1.306     schwarze 1985:                return(1);
                   1986:
                   1987:        if (n->end == ENDBODY_NOT &&
                   1988:            n->parent->head->child == NULL &&
                   1989:            n->child != NULL &&
                   1990:            n->child->end != ENDBODY_NOT)
                   1991:                term_word(p, "\\&");
                   1992:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1993:             n->parent->head->child != NULL && (n->child != NULL ||
                   1994:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 1995:                p->flags |= TERMP_NOSPACE;
                   1996:
                   1997:        return(1);
                   1998: }
                   1999:
                   2000: static void
                   2001: termp_eo_post(DECL_ARGS)
                   2002: {
                   2003:        int      body, tail;
                   2004:
1.314     schwarze 2005:        if (n->type != ROFFT_BODY)
1.306     schwarze 2006:                return;
                   2007:
                   2008:        if (n->end != ENDBODY_NOT) {
                   2009:                p->flags &= ~TERMP_NOSPACE;
                   2010:                return;
                   2011:        }
                   2012:
                   2013:        body = n->child != NULL || n->parent->head->child != NULL;
                   2014:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   2015:
                   2016:        if (body && tail)
                   2017:                p->flags |= TERMP_NOSPACE;
                   2018:        else if ( ! (body || tail))
                   2019:                term_word(p, "\\&");
                   2020:        else if ( ! tail)
                   2021:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2022: }
                   2023:
                   2024: static int
                   2025: termp_fo_pre(DECL_ARGS)
                   2026: {
1.257     schwarze 2027:        size_t           rmargin = 0;
1.256     schwarze 2028:        int              pretty;
                   2029:
                   2030:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2031:
1.314     schwarze 2032:        if (n->type == ROFFT_BLOCK) {
1.143     kristaps 2033:                synopsis_pre(p, n);
1.141     kristaps 2034:                return(1);
1.314     schwarze 2035:        } else if (n->type == ROFFT_BODY) {
1.256     schwarze 2036:                if (pretty) {
                   2037:                        rmargin = p->rmargin;
1.257     schwarze 2038:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2039:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2040:                                        TERMP_HANG;
1.256     schwarze 2041:                }
1.33      kristaps 2042:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2043:                term_word(p, "(");
1.222     kristaps 2044:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2045:                if (pretty) {
                   2046:                        term_flushln(p);
1.263     schwarze 2047:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2048:                                        TERMP_HANG);
1.256     schwarze 2049:                        p->offset = p->rmargin;
                   2050:                        p->rmargin = rmargin;
                   2051:                }
1.1       kristaps 2052:                return(1);
1.256     schwarze 2053:        }
1.141     kristaps 2054:
1.169     kristaps 2055:        if (NULL == n->child)
                   2056:                return(0);
                   2057:
1.141     kristaps 2058:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2059:
1.141     kristaps 2060:        assert(n->child->string);
1.102     kristaps 2061:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2062:        term_word(p, n->child->string);
1.1       kristaps 2063:        return(0);
                   2064: }
                   2065:
                   2066: static void
                   2067: termp_fo_post(DECL_ARGS)
                   2068: {
                   2069:
1.314     schwarze 2070:        if (n->type != ROFFT_BODY)
1.143     kristaps 2071:                return;
                   2072:
1.222     kristaps 2073:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2074:        term_word(p, ")");
                   2075:
1.222     kristaps 2076:        if (MDOC_SYNPRETTY & n->flags) {
                   2077:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2078:                term_word(p, ";");
1.256     schwarze 2079:                term_flushln(p);
1.222     kristaps 2080:        }
1.1       kristaps 2081: }
                   2082:
                   2083: static int
                   2084: termp_bf_pre(DECL_ARGS)
                   2085: {
                   2086:
1.314     schwarze 2087:        if (n->type == ROFFT_HEAD)
1.1       kristaps 2088:                return(0);
1.314     schwarze 2089:        else if (n->type != ROFFT_BODY)
1.1       kristaps 2090:                return(1);
                   2091:
1.264     schwarze 2092:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2093:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2094:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2095:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2096:        else
1.102     kristaps 2097:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2098:
                   2099:        return(1);
                   2100: }
                   2101:
                   2102: static int
                   2103: termp_sm_pre(DECL_ARGS)
                   2104: {
                   2105:
1.269     schwarze 2106:        if (NULL == n->child)
                   2107:                p->flags ^= TERMP_NONOSPACE;
                   2108:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2109:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2110:        else
1.1       kristaps 2111:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2112:
                   2113:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2114:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2115:
                   2116:        return(0);
                   2117: }
                   2118:
                   2119: static int
                   2120: termp_ap_pre(DECL_ARGS)
                   2121: {
                   2122:
                   2123:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2124:        term_word(p, "'");
1.1       kristaps 2125:        p->flags |= TERMP_NOSPACE;
                   2126:        return(1);
                   2127: }
                   2128:
                   2129: static void
                   2130: termp____post(DECL_ARGS)
                   2131: {
1.184     kristaps 2132:
                   2133:        /*
                   2134:         * Handle lists of authors.  In general, print each followed by
                   2135:         * a comma.  Don't print the comma if there are only two
                   2136:         * authors.
                   2137:         */
                   2138:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2139:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2140:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2141:                                return;
1.1       kristaps 2142:
1.95      kristaps 2143:        /* TODO: %U. */
                   2144:
1.187     kristaps 2145:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2146:                return;
                   2147:
1.222     kristaps 2148:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2149:        if (NULL == n->next) {
                   2150:                term_word(p, ".");
                   2151:                p->flags |= TERMP_SENTENCE;
                   2152:        } else
                   2153:                term_word(p, ",");
1.1       kristaps 2154: }
                   2155:
                   2156: static int
1.102     kristaps 2157: termp_li_pre(DECL_ARGS)
                   2158: {
                   2159:
                   2160:        term_fontpush(p, TERMFONT_NONE);
                   2161:        return(1);
                   2162: }
                   2163:
                   2164: static int
1.1       kristaps 2165: termp_lk_pre(DECL_ARGS)
                   2166: {
1.315     schwarze 2167:        const struct roff_node *link, *descr;
1.1       kristaps 2168:
1.240     schwarze 2169:        if (NULL == (link = n->child))
                   2170:                return(0);
1.181     kristaps 2171:
1.240     schwarze 2172:        if (NULL != (descr = link->next)) {
                   2173:                term_fontpush(p, TERMFONT_UNDER);
                   2174:                while (NULL != descr) {
                   2175:                        term_word(p, descr->string);
                   2176:                        descr = descr->next;
                   2177:                }
                   2178:                p->flags |= TERMP_NOSPACE;
                   2179:                term_word(p, ":");
                   2180:                term_fontpop(p);
                   2181:        }
1.1       kristaps 2182:
1.102     kristaps 2183:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2184:        term_word(p, link->string);
1.102     kristaps 2185:        term_fontpop(p);
1.12      kristaps 2186:
1.1       kristaps 2187:        return(0);
                   2188: }
                   2189:
1.159     schwarze 2190: static int
                   2191: termp_bk_pre(DECL_ARGS)
                   2192: {
                   2193:
1.161     schwarze 2194:        switch (n->type) {
1.314     schwarze 2195:        case ROFFT_BLOCK:
1.166     kristaps 2196:                break;
1.314     schwarze 2197:        case ROFFT_HEAD:
1.161     schwarze 2198:                return(0);
1.314     schwarze 2199:        case ROFFT_BODY:
1.200     schwarze 2200:                if (n->parent->args || 0 == n->prev->nchild)
                   2201:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2202:                break;
1.161     schwarze 2203:        default:
                   2204:                abort();
1.166     kristaps 2205:                /* NOTREACHED */
1.161     schwarze 2206:        }
1.166     kristaps 2207:
                   2208:        return(1);
1.159     schwarze 2209: }
                   2210:
                   2211: static void
                   2212: termp_bk_post(DECL_ARGS)
                   2213: {
                   2214:
1.314     schwarze 2215:        if (n->type == ROFFT_BODY)
1.161     schwarze 2216:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2217: }
                   2218:
                   2219: static void
                   2220: termp__t_post(DECL_ARGS)
                   2221: {
                   2222:
                   2223:        /*
                   2224:         * If we're in an `Rs' and there's a journal present, then quote
                   2225:         * us instead of underlining us (for disambiguation).
                   2226:         */
1.217     schwarze 2227:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2228:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2229:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2230:
1.245     schwarze 2231:        termp____post(p, pair, meta, n);
1.203     kristaps 2232: }
                   2233:
                   2234: static int
                   2235: termp__t_pre(DECL_ARGS)
                   2236: {
                   2237:
                   2238:        /*
                   2239:         * If we're in an `Rs' and there's a journal present, then quote
                   2240:         * us instead of underlining us (for disambiguation).
                   2241:         */
                   2242:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2243:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2244:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2245:
                   2246:        term_fontpush(p, TERMFONT_UNDER);
                   2247:        return(1);
1.159     schwarze 2248: }
1.1       kristaps 2249:
                   2250: static int
1.69      kristaps 2251: termp_under_pre(DECL_ARGS)
1.1       kristaps 2252: {
                   2253:
1.102     kristaps 2254:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2255:        return(1);
                   2256: }

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