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Annotation of mandoc/mdoc_term.c, Revision 1.330

1.330   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.329 2015/10/12 00:08:16 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"
1.320     schwarze   37: #include "tag.h"
1.89      kristaps   38: #include "main.h"
1.1       kristaps   39:
                     40: struct termpair {
                     41:        struct termpair  *ppair;
1.31      kristaps   42:        int               count;
1.1       kristaps   43: };
                     44:
1.31      kristaps   45: #define        DECL_ARGS struct termp *p, \
                     46:                  struct termpair *pair, \
1.316     schwarze   47:                  const struct roff_meta *meta, \
1.315     schwarze   48:                  struct roff_node *n
1.1       kristaps   49:
                     50: struct termact {
                     51:        int     (*pre)(DECL_ARGS);
                     52:        void    (*post)(DECL_ARGS);
                     53: };
                     54:
1.302     schwarze   55: static int       a2width(const struct termp *, const char *);
1.96      kristaps   56:
                     57: static void      print_bvspace(struct termp *,
1.315     schwarze   58:                        const struct roff_node *,
                     59:                        const struct roff_node *);
1.264     schwarze   60: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   61: static void      print_mdoc_nodelist(DECL_ARGS);
1.316     schwarze   62: static void      print_mdoc_head(struct termp *, const struct roff_meta *);
                     63: static void      print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264     schwarze   64: static void      synopsis_pre(struct termp *,
1.315     schwarze   65:                        const struct roff_node *);
1.96      kristaps   66:
1.31      kristaps   67: static void      termp____post(DECL_ARGS);
1.203     kristaps   68: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   69: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   70: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   71: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   72: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   73: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_fo_post(DECL_ARGS);
                     75: static void      termp_in_post(DECL_ARGS);
                     76: static void      termp_it_post(DECL_ARGS);
                     77: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   78: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   80: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   81: static void      termp_sh_post(DECL_ARGS);
                     82: static void      termp_ss_post(DECL_ARGS);
                     83:
1.184     kristaps   84: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   85: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   86: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   87: static int       termp_ap_pre(DECL_ARGS);
                     88: static int       termp_bd_pre(DECL_ARGS);
                     89: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   90: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   91: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   92: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   93: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   94: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   95: static int       termp_cd_pre(DECL_ARGS);
                     96: static int       termp_d1_pre(DECL_ARGS);
1.306     schwarze   97: static int       termp_eo_pre(DECL_ARGS);
1.323     schwarze   98: static int       termp_er_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_ex_pre(DECL_ARGS);
                    100: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps  101: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  102: static int       termp_fl_pre(DECL_ARGS);
                    103: static int       termp_fn_pre(DECL_ARGS);
                    104: static int       termp_fo_pre(DECL_ARGS);
                    105: static int       termp_ft_pre(DECL_ARGS);
                    106: static int       termp_in_pre(DECL_ARGS);
                    107: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  108: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  109: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  110: static int       termp_lk_pre(DECL_ARGS);
                    111: static int       termp_nd_pre(DECL_ARGS);
                    112: static int       termp_nm_pre(DECL_ARGS);
                    113: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  114: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  115: static int       termp_rs_pre(DECL_ARGS);
                    116: static int       termp_rv_pre(DECL_ARGS);
                    117: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  118: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  120: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  121: static int       termp_ss_pre(DECL_ARGS);
1.320     schwarze  122: static int       termp_tag_pre(DECL_ARGS);
1.69      kristaps  123: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  124: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  125: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  126: static int       termp_xr_pre(DECL_ARGS);
                    127: static int       termp_xx_pre(DECL_ARGS);
                    128:
1.70      kristaps  129: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  130:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  131:        { NULL, NULL }, /* Dd */
                    132:        { NULL, NULL }, /* Dt */
                    133:        { NULL, NULL }, /* Os */
                    134:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  135:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    136:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  137:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    138:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  139:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    140:        { NULL, NULL }, /* Ed */
1.115     kristaps  141:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  142:        { NULL, NULL }, /* El */
                    143:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  144:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  145:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  146:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  147:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  148:        { termp_bold_pre, NULL }, /* Cm */
1.325     schwarze  149:        { termp_li_pre, NULL }, /* Dv */
1.323     schwarze  150:        { termp_er_pre, NULL }, /* Er */
1.320     schwarze  151:        { termp_tag_pre, NULL }, /* Ev */
1.1       kristaps  152:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  153:        { termp_fa_pre, NULL }, /* Fa */
                    154:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  155:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  156:        { termp_fn_pre, NULL }, /* Fn */
                    157:        { termp_ft_pre, NULL }, /* Ft */
                    158:        { termp_bold_pre, NULL }, /* Ic */
                    159:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  160:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  161:        { termp_nd_pre, NULL }, /* Nd */
                    162:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  163:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  164:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  165:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  166:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  167:        { NULL, NULL }, /* St */
1.69      kristaps  168:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  169:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  170:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  171:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  172:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  173:        { NULL, termp____post }, /* %D */
1.84      kristaps  174:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  175:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  176:        { NULL, termp____post }, /* %N */
                    177:        { NULL, termp____post }, /* %O */
                    178:        { NULL, termp____post }, /* %P */
                    179:        { NULL, termp____post }, /* %R */
1.203     kristaps  180:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  181:        { NULL, termp____post }, /* %V */
                    182:        { NULL, NULL }, /* Ac */
1.188     kristaps  183:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    184:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  185:        { NULL, NULL }, /* At */
1.1       kristaps  186:        { NULL, NULL }, /* Bc */
1.264     schwarze  187:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  188:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    189:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  190:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  191:        { termp_bx_pre, NULL }, /* Bx */
1.294     schwarze  192:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  193:        { NULL, NULL }, /* Dc */
1.188     kristaps  194:        { termp_quote_pre, termp_quote_post }, /* Do */
                    195:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  196:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  197:        { NULL, NULL }, /* Ef */
1.264     schwarze  198:        { termp_under_pre, NULL }, /* Em */
1.306     schwarze  199:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.26      kristaps  200:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  201:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  202:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  203:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  204:        { termp_xx_pre, NULL }, /* Nx */
                    205:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  206:        { NULL, NULL }, /* Pc */
1.254     schwarze  207:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  208:        { termp_quote_pre, termp_quote_post }, /* Po */
                    209:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  210:        { NULL, NULL }, /* Qc */
1.188     kristaps  211:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    212:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    213:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  214:        { NULL, NULL }, /* Re */
                    215:        { termp_rs_pre, NULL }, /* Rs */
                    216:        { NULL, NULL }, /* Sc */
1.188     kristaps  217:        { termp_quote_pre, termp_quote_post }, /* So */
                    218:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  219:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  220:        { termp_under_pre, NULL }, /* Sx */
                    221:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  222:        { NULL, NULL }, /* Tn */
1.26      kristaps  223:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  224:        { NULL, NULL }, /* Xc */
                    225:        { NULL, NULL }, /* Xo */
1.264     schwarze  226:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    227:        { NULL, NULL }, /* Fc */
1.188     kristaps  228:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  229:        { NULL, NULL }, /* Oc */
1.159     schwarze  230:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  231:        { NULL, NULL }, /* Ek */
                    232:        { termp_bt_pre, NULL }, /* Bt */
                    233:        { NULL, NULL }, /* Hf */
1.268     schwarze  234:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  235:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  236:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  237:        { termp_sp_pre, NULL }, /* Lp */
                    238:        { termp_lk_pre, NULL }, /* Lk */
                    239:        { termp_under_pre, NULL }, /* Mt */
                    240:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    241:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    242:        { NULL, NULL }, /* Brc */
                    243:        { NULL, termp____post }, /* %C */
1.294     schwarze  244:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  245:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  246:        { termp_xx_pre, NULL }, /* Dx */
                    247:        { NULL, termp____post }, /* %Q */
1.76      kristaps  248:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  249:        { termp_sp_pre, NULL }, /* sp */
                    250:        { NULL, termp____post }, /* %U */
                    251:        { NULL, NULL }, /* Ta */
1.260     schwarze  252:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  253: };
                    254:
1.322     schwarze  255: static int      fn_prio;
1.1       kristaps  256:
1.70      kristaps  257: void
1.318     schwarze  258: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1       kristaps  259: {
1.315     schwarze  260:        struct roff_node        *n;
1.89      kristaps  261:        struct termp            *p;
                    262:
                    263:        p = (struct termp *)arg;
1.111     kristaps  264:        p->overstep = 0;
1.281     schwarze  265:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  266:        p->tabwidth = term_len(p, 5);
1.70      kristaps  267:
1.319     schwarze  268:        n = mdoc->first->child;
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,
1.319     schwarze  274:                                            &mdoc->meta,
                    275:                                            n->child->next->child);
1.281     schwarze  276:                                term_newln(p);
                    277:                                break;
                    278:                        }
                    279:                        n = n->next;
                    280:                }
                    281:        } else {
                    282:                if (p->defindent == 0)
                    283:                        p->defindent = 5;
1.319     schwarze  284:                term_begin(p, print_mdoc_head, print_mdoc_foot,
                    285:                    &mdoc->meta);
1.281     schwarze  286:                if (n != NULL) {
                    287:                        if (n->tok != MDOC_Sh)
                    288:                                term_vspace(p);
1.319     schwarze  289:                        print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281     schwarze  290:                }
                    291:                term_end(p);
1.271     schwarze  292:        }
1.1       kristaps  293: }
                    294:
1.3       kristaps  295: static void
1.102     kristaps  296: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  297: {
                    298:
1.304     schwarze  299:        while (n != NULL) {
                    300:                print_mdoc_node(p, pair, meta, n);
                    301:                n = n->next;
                    302:        }
1.1       kristaps  303: }
                    304:
1.3       kristaps  305: static void
1.102     kristaps  306: print_mdoc_node(DECL_ARGS)
1.1       kristaps  307: {
1.102     kristaps  308:        int              chld;
1.1       kristaps  309:        struct termpair  npair;
1.30      kristaps  310:        size_t           offset, rmargin;
1.1       kristaps  311:
1.70      kristaps  312:        chld = 1;
1.29      kristaps  313:        offset = p->offset;
1.30      kristaps  314:        rmargin = p->rmargin;
1.310     schwarze  315:        n->flags &= ~MDOC_ENDED;
1.305     schwarze  316:        n->prev_font = p->fonti;
1.29      kristaps  317:
1.97      kristaps  318:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  319:        npair.ppair = pair;
1.172     kristaps  320:
                    321:        /*
                    322:         * Keeps only work until the end of a line.  If a keep was
                    323:         * invoked in a prior line, revert it to PREKEEP.
                    324:         */
                    325:
1.307     schwarze  326:        if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
                    327:                p->flags &= ~TERMP_KEEP;
                    328:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  329:        }
1.197     schwarze  330:
                    331:        /*
1.217     schwarze  332:         * After the keep flags have been set up, we may now
                    333:         * produce output.  Note that some pre-handlers do so.
                    334:         */
                    335:
                    336:        switch (n->type) {
1.314     schwarze  337:        case ROFFT_TEXT:
1.217     schwarze  338:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    339:                        term_newln(p);
1.222     kristaps  340:                if (MDOC_DELIMC & n->flags)
                    341:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  342:                term_word(p, n->string);
1.222     kristaps  343:                if (MDOC_DELIMO & n->flags)
                    344:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  345:                break;
1.314     schwarze  346:        case ROFFT_EQN:
1.284     schwarze  347:                if ( ! (n->flags & MDOC_LINE))
                    348:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  349:                term_eqn(p, n->eqn);
1.286     schwarze  350:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  351:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  352:                break;
1.314     schwarze  353:        case ROFFT_TBL:
1.313     schwarze  354:                if (p->tbl.cols == NULL)
                    355:                        term_newln(p);
1.217     schwarze  356:                term_tbl(p, n->span);
                    357:                break;
                    358:        default:
1.295     schwarze  359:                if (termacts[n->tok].pre &&
                    360:                    (n->end == ENDBODY_NOT || n->nchild))
1.217     schwarze  361:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  362:                                (p, &npair, meta, n);
1.217     schwarze  363:                break;
                    364:        }
                    365:
1.86      kristaps  366:        if (chld && n->child)
1.245     schwarze  367:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  368:
1.244     schwarze  369:        term_fontpopq(p,
1.310     schwarze  370:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  371:
1.206     kristaps  372:        switch (n->type) {
1.314     schwarze  373:        case ROFFT_TEXT:
1.206     kristaps  374:                break;
1.314     schwarze  375:        case ROFFT_TBL:
1.216     kristaps  376:                break;
1.314     schwarze  377:        case ROFFT_EQN:
1.206     kristaps  378:                break;
                    379:        default:
                    380:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    381:                        break;
1.245     schwarze  382:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  383:
                    384:                /*
                    385:                 * Explicit end tokens not only call the post
                    386:                 * handler, but also tell the respective block
                    387:                 * that it must not call the post handler again.
                    388:                 */
1.165     kristaps  389:                if (ENDBODY_NOT != n->end)
1.310     schwarze  390:                        n->body->flags |= MDOC_ENDED;
1.162     schwarze  391:
                    392:                /*
                    393:                 * End of line terminating an implicit block
                    394:                 * while an explicit block is still open.
                    395:                 * Continue the explicit block without spacing.
                    396:                 */
                    397:                if (ENDBODY_NOSPACE == n->end)
                    398:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  399:                break;
1.162     schwarze  400:        }
1.121     kristaps  401:
                    402:        if (MDOC_EOS & n->flags)
                    403:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  404:
1.260     schwarze  405:        if (MDOC_ll != n->tok) {
                    406:                p->offset = offset;
                    407:                p->rmargin = rmargin;
                    408:        }
1.1       kristaps  409: }
                    410:
1.3       kristaps  411: static void
1.316     schwarze  412: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  413: {
1.292     schwarze  414:        size_t sz;
1.144     kristaps  415:
1.102     kristaps  416:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  417:
1.264     schwarze  418:        /*
1.9       kristaps  419:         * Output the footer in new-groff style, that is, three columns
                    420:         * with the middle being the manual date and flanking columns
                    421:         * being the operating system:
                    422:         *
                    423:         * SYSTEM                  DATE                    SYSTEM
                    424:         */
                    425:
1.1       kristaps  426:        term_vspace(p);
                    427:
1.9       kristaps  428:        p->offset = 0;
1.292     schwarze  429:        sz = term_strlen(p, meta->date);
                    430:        p->rmargin = p->maxrmargin > sz ?
                    431:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  432:        p->trailspace = 1;
1.1       kristaps  433:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    434:
1.245     schwarze  435:        term_word(p, meta->os);
1.1       kristaps  436:        term_flushln(p);
                    437:
1.9       kristaps  438:        p->offset = p->rmargin;
1.292     schwarze  439:        sz = term_strlen(p, meta->os);
                    440:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  441:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  442:
1.245     schwarze  443:        term_word(p, meta->date);
1.9       kristaps  444:        term_flushln(p);
                    445:
1.1       kristaps  446:        p->offset = p->rmargin;
                    447:        p->rmargin = p->maxrmargin;
1.250     schwarze  448:        p->trailspace = 0;
1.1       kristaps  449:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  450:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  451:
1.245     schwarze  452:        term_word(p, meta->os);
1.1       kristaps  453:        term_flushln(p);
                    454:
1.9       kristaps  455:        p->offset = 0;
                    456:        p->rmargin = p->maxrmargin;
                    457:        p->flags = 0;
1.1       kristaps  458: }
                    459:
1.3       kristaps  460: static void
1.316     schwarze  461: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  462: {
1.267     schwarze  463:        char                    *volume, *title;
                    464:        size_t                   vollen, titlen;
1.1       kristaps  465:
                    466:        /*
                    467:         * The header is strange.  It has three components, which are
                    468:         * really two with the first duplicated.  It goes like this:
                    469:         *
                    470:         * IDENTIFIER              TITLE                   IDENTIFIER
                    471:         *
                    472:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    473:         * (if given, or "unknown" if not) followed by the manual page
                    474:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    475:         * string depending on the manual volume.  If not specified, it
                    476:         * switches on the manual section.
                    477:         */
1.235     schwarze  478:
1.245     schwarze  479:        assert(meta->vol);
1.267     schwarze  480:        if (NULL == meta->arch)
                    481:                volume = mandoc_strdup(meta->vol);
                    482:        else
                    483:                mandoc_asprintf(&volume, "%s (%s)",
                    484:                    meta->vol, meta->arch);
                    485:        vollen = term_strlen(p, volume);
1.1       kristaps  486:
1.275     schwarze  487:        if (NULL == meta->msec)
                    488:                title = mandoc_strdup(meta->title);
                    489:        else
                    490:                mandoc_asprintf(&title, "%s(%s)",
                    491:                    meta->title, meta->msec);
1.235     schwarze  492:        titlen = term_strlen(p, title);
1.1       kristaps  493:
1.235     schwarze  494:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  495:        p->trailspace = 1;
1.1       kristaps  496:        p->offset = 0;
1.267     schwarze  497:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    498:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  499:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  500:
                    501:        term_word(p, title);
                    502:        term_flushln(p);
                    503:
1.235     schwarze  504:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  505:        p->offset = p->rmargin;
1.267     schwarze  506:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  507:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  508:
1.267     schwarze  509:        term_word(p, volume);
1.1       kristaps  510:        term_flushln(p);
                    511:
                    512:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  513:        p->trailspace = 0;
1.235     schwarze  514:        if (p->rmargin + titlen <= p->maxrmargin) {
                    515:                p->flags |= TERMP_NOSPACE;
                    516:                p->offset = p->rmargin;
                    517:                p->rmargin = p->maxrmargin;
                    518:                term_word(p, title);
                    519:                term_flushln(p);
                    520:        }
1.1       kristaps  521:
1.235     schwarze  522:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  523:        p->offset = 0;
1.1       kristaps  524:        p->rmargin = p->maxrmargin;
1.266     schwarze  525:        free(title);
1.267     schwarze  526:        free(volume);
1.1       kristaps  527: }
                    528:
1.302     schwarze  529: static int
1.157     kristaps  530: a2width(const struct termp *p, const char *v)
1.91      kristaps  531: {
1.92      kristaps  532:        struct roffsu    su;
1.1       kristaps  533:
1.300     schwarze  534:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157     kristaps  535:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  536:                su.scale /= term_strlen(p, "0");
1.302     schwarze  537:        }
1.328     schwarze  538:        return term_hspan(p, &su) / 24;
1.1       kristaps  539: }
                    540:
1.108     kristaps  541: /*
                    542:  * Determine how much space to print out before block elements of `It'
                    543:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    544:  * too.
                    545:  */
1.54      kristaps  546: static void
1.264     schwarze  547: print_bvspace(struct termp *p,
1.315     schwarze  548:        const struct roff_node *bl,
                    549:        const struct roff_node *n)
1.1       kristaps  550: {
1.315     schwarze  551:        const struct roff_node  *nn;
1.236     schwarze  552:
                    553:        assert(n);
1.1       kristaps  554:
                    555:        term_newln(p);
1.150     kristaps  556:
1.202     kristaps  557:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  558:                return;
1.202     kristaps  559:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  560:                return;
                    561:
1.85      kristaps  562:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  563:
1.289     schwarze  564:        nn = n;
                    565:        while (nn->prev == NULL) {
                    566:                do {
                    567:                        nn = nn->parent;
1.314     schwarze  568:                        if (nn->type == ROFFT_ROOT)
1.289     schwarze  569:                                return;
1.314     schwarze  570:                } while (nn->type != ROFFT_BLOCK);
1.289     schwarze  571:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  572:                        return;
1.289     schwarze  573:                if (nn->tok == MDOC_It &&
                    574:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    575:                        break;
1.1       kristaps  576:        }
                    577:
1.85      kristaps  578:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  579:
1.202     kristaps  580:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  581:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  582:                        return;
                    583:
1.85      kristaps  584:        /* A `-diag' without body does not vspace. */
                    585:
1.202     kristaps  586:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  587:                if (n->prev && MDOC_It == n->prev->tok) {
                    588:                        assert(n->prev->body);
                    589:                        if (NULL == n->prev->body->child)
1.55      kristaps  590:                                return;
                    591:                }
                    592:
1.54      kristaps  593:        term_vspace(p);
1.260     schwarze  594: }
                    595:
                    596:
                    597: static int
                    598: termp_ll_pre(DECL_ARGS)
                    599: {
                    600:
1.261     schwarze  601:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.328     schwarze  602:        return 0;
1.1       kristaps  603: }
                    604:
                    605: static int
                    606: termp_it_pre(DECL_ARGS)
                    607: {
1.302     schwarze  608:        char                    buf[24];
1.315     schwarze  609:        const struct roff_node *bl, *nn;
1.302     schwarze  610:        size_t                  ncols, dcol;
                    611:        int                     i, offset, width;
1.126     kristaps  612:        enum mdoc_list          type;
1.1       kristaps  613:
1.314     schwarze  614:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps  615:                print_bvspace(p, n->parent->parent, n);
1.328     schwarze  616:                return 1;
1.54      kristaps  617:        }
1.1       kristaps  618:
1.86      kristaps  619:        bl = n->parent->parent->parent;
1.202     kristaps  620:        type = bl->norm->Bl.type;
1.1       kristaps  621:
1.264     schwarze  622:        /*
1.302     schwarze  623:         * Defaults for specific list types.
                    624:         */
                    625:
                    626:        switch (type) {
                    627:        case LIST_bullet:
                    628:        case LIST_dash:
                    629:        case LIST_hyphen:
                    630:        case LIST_enum:
                    631:                width = term_len(p, 2);
                    632:                break;
                    633:        case LIST_hang:
                    634:                width = term_len(p, 8);
                    635:                break;
                    636:        case LIST_column:
                    637:        case LIST_tag:
                    638:                width = term_len(p, 10);
                    639:                break;
                    640:        default:
                    641:                width = 0;
                    642:                break;
                    643:        }
                    644:        offset = 0;
                    645:
                    646:        /*
1.108     kristaps  647:         * First calculate width and offset.  This is pretty easy unless
                    648:         * we're a -column list, in which case all prior columns must
                    649:         * be accounted for.
                    650:         */
                    651:
1.302     schwarze  652:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  653:                offset = a2width(p, bl->norm->Bl.offs);
1.302     schwarze  654:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    655:                        offset = -p->offset;
                    656:                else if (offset > SHRT_MAX)
                    657:                        offset = 0;
                    658:        }
1.152     kristaps  659:
1.1       kristaps  660:        switch (type) {
1.264     schwarze  661:        case LIST_column:
1.314     schwarze  662:                if (n->type == ROFFT_HEAD)
1.1       kristaps  663:                        break;
1.155     kristaps  664:
1.105     kristaps  665:                /*
1.108     kristaps  666:                 * Imitate groff's column handling:
                    667:                 * - For each earlier column, add its width.
                    668:                 * - For less than 5 columns, add four more blanks per
                    669:                 *   column.
                    670:                 * - For exactly 5 columns, add three more blank per
                    671:                 *   column.
                    672:                 * - For more than 5 columns, add only one column.
1.105     kristaps  673:                 */
1.202     kristaps  674:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  675:                dcol = ncols < 5 ? term_len(p, 4) :
                    676:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  677:
1.134     kristaps  678:                /*
1.314     schwarze  679:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    680:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134     kristaps  681:                 */
                    682:
1.264     schwarze  683:                for (i = 0, nn = n->prev;
                    684:                    nn->prev && i < (int)ncols;
                    685:                    nn = nn->prev, i++)
                    686:                        offset += dcol + a2width(p,
                    687:                            bl->norm->Bl.cols[i]);
1.105     kristaps  688:
                    689:                /*
1.108     kristaps  690:                 * When exceeding the declared number of columns, leave
                    691:                 * the remaining widths at 0.  This will later be
                    692:                 * adjusted to the default width of 10, or, for the last
                    693:                 * column, stretched to the right margin.
1.58      kristaps  694:                 */
1.108     kristaps  695:                if (i >= (int)ncols)
                    696:                        break;
1.58      kristaps  697:
1.105     kristaps  698:                /*
1.108     kristaps  699:                 * Use the declared column widths, extended as explained
                    700:                 * in the preceding paragraph.
1.105     kristaps  701:                 */
1.202     kristaps  702:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  703:                break;
                    704:        default:
1.202     kristaps  705:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  706:                        break;
                    707:
1.264     schwarze  708:                /*
1.108     kristaps  709:                 * Note: buffer the width by 2, which is groff's magic
                    710:                 * number for buffering single arguments.  See the above
                    711:                 * handling for column for how this changes.
                    712:                 */
1.202     kristaps  713:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302     schwarze  714:                if (width < 0 && (size_t)(-width) > p->offset)
                    715:                        width = -p->offset;
                    716:                else if (width > SHRT_MAX)
                    717:                        width = 0;
1.1       kristaps  718:                break;
                    719:        }
                    720:
1.264     schwarze  721:        /*
1.17      kristaps  722:         * Whitespace control.  Inset bodies need an initial space,
                    723:         * while diagonal bodies need two.
1.1       kristaps  724:         */
                    725:
1.51      kristaps  726:        p->flags |= TERMP_NOSPACE;
                    727:
1.1       kristaps  728:        switch (type) {
1.264     schwarze  729:        case LIST_diag:
1.314     schwarze  730:                if (n->type == ROFFT_BODY)
1.62      kristaps  731:                        term_word(p, "\\ \\ ");
1.51      kristaps  732:                break;
1.264     schwarze  733:        case LIST_inset:
1.314     schwarze  734:                if (n->type == ROFFT_BODY && n->parent->head->nchild)
1.51      kristaps  735:                        term_word(p, "\\ ");
1.1       kristaps  736:                break;
                    737:        default:
                    738:                break;
                    739:        }
                    740:
1.51      kristaps  741:        p->flags |= TERMP_NOSPACE;
                    742:
1.1       kristaps  743:        switch (type) {
1.264     schwarze  744:        case LIST_diag:
1.314     schwarze  745:                if (n->type == ROFFT_HEAD)
1.102     kristaps  746:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  747:                break;
                    748:        default:
                    749:                break;
                    750:        }
                    751:
                    752:        /*
1.109     kristaps  753:         * Pad and break control.  This is the tricky part.  These flags
                    754:         * are documented in term_flushln() in term.c.  Note that we're
                    755:         * going to unset all of these flags in termp_it_post() when we
                    756:         * exit.
1.1       kristaps  757:         */
                    758:
                    759:        switch (type) {
1.264     schwarze  760:        case LIST_enum:
1.329     schwarze  761:        case LIST_bullet:
                    762:        case LIST_dash:
                    763:        case LIST_hyphen:
1.242     schwarze  764:                /*
                    765:                 * Weird special case.
1.302     schwarze  766:                 * Some very narrow lists actually hang.
1.242     schwarze  767:                 */
1.302     schwarze  768:                if (width <= (int)term_len(p, 2))
                    769:                        p->flags |= TERMP_HANG;
1.314     schwarze  770:                if (n->type != ROFFT_HEAD)
1.250     schwarze  771:                        break;
                    772:                p->flags |= TERMP_NOBREAK;
                    773:                p->trailspace = 1;
1.39      kristaps  774:                break;
1.264     schwarze  775:        case LIST_hang:
1.314     schwarze  776:                if (n->type != ROFFT_HEAD)
1.59      kristaps  777:                        break;
                    778:
                    779:                /*
                    780:                 * This is ugly.  If `-hang' is specified and the body
                    781:                 * is a `Bl' or `Bd', then we want basically to nullify
                    782:                 * the "overstep" effect in term_flushln() and treat
                    783:                 * this as a `-ohang' list instead.
                    784:                 */
1.279     schwarze  785:                if (NULL != n->next &&
1.278     schwarze  786:                    NULL != n->next->child &&
                    787:                    (MDOC_Bl == n->next->child->tok ||
                    788:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  789:                        break;
                    790:
1.263     schwarze  791:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  792:                p->trailspace = 1;
1.39      kristaps  793:                break;
1.264     schwarze  794:        case LIST_tag:
1.314     schwarze  795:                if (n->type != ROFFT_HEAD)
1.39      kristaps  796:                        break;
1.250     schwarze  797:
1.326     schwarze  798:                p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250     schwarze  799:                p->trailspace = 2;
                    800:
1.86      kristaps  801:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  802:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  803:                break;
1.264     schwarze  804:        case LIST_column:
1.314     schwarze  805:                if (n->type == ROFFT_HEAD)
1.134     kristaps  806:                        break;
                    807:
1.250     schwarze  808:                if (NULL == n->next) {
1.134     kristaps  809:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  810:                        p->trailspace = 0;
                    811:                } else {
1.134     kristaps  812:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  813:                        p->trailspace = 1;
                    814:                }
1.134     kristaps  815:
1.1       kristaps  816:                break;
1.264     schwarze  817:        case LIST_diag:
1.314     schwarze  818:                if (n->type != ROFFT_HEAD)
1.250     schwarze  819:                        break;
1.263     schwarze  820:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  821:                p->trailspace = 1;
1.1       kristaps  822:                break;
                    823:        default:
                    824:                break;
                    825:        }
                    826:
1.264     schwarze  827:        /*
1.1       kristaps  828:         * Margin control.  Set-head-width lists have their right
                    829:         * margins shortened.  The body for these lists has the offset
                    830:         * necessarily lengthened.  Everybody gets the offset.
                    831:         */
                    832:
                    833:        p->offset += offset;
                    834:
                    835:        switch (type) {
1.264     schwarze  836:        case LIST_hang:
1.59      kristaps  837:                /*
                    838:                 * Same stipulation as above, regarding `-hang'.  We
                    839:                 * don't want to recalculate rmargin and offsets when
                    840:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    841:                 */
1.314     schwarze  842:                if (n->type == ROFFT_HEAD &&
1.279     schwarze  843:                    NULL != n->next &&
1.278     schwarze  844:                    NULL != n->next->child &&
                    845:                    (MDOC_Bl == n->next->child->tok ||
                    846:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  847:                        break;
                    848:                /* FALLTHROUGH */
1.264     schwarze  849:        case LIST_bullet:
                    850:        case LIST_dash:
                    851:        case LIST_enum:
                    852:        case LIST_hyphen:
                    853:        case LIST_tag:
1.314     schwarze  854:                if (n->type == ROFFT_HEAD)
1.1       kristaps  855:                        p->rmargin = p->offset + width;
1.292     schwarze  856:                else
1.1       kristaps  857:                        p->offset += width;
                    858:                break;
1.264     schwarze  859:        case LIST_column:
1.49      kristaps  860:                assert(width);
1.1       kristaps  861:                p->rmargin = p->offset + width;
1.264     schwarze  862:                /*
1.50      kristaps  863:                 * XXX - this behaviour is not documented: the
                    864:                 * right-most column is filled to the right margin.
                    865:                 */
1.314     schwarze  866:                if (n->type == ROFFT_HEAD)
1.134     kristaps  867:                        break;
                    868:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  869:                        p->rmargin = p->maxrmargin;
1.1       kristaps  870:                break;
                    871:        default:
                    872:                break;
                    873:        }
                    874:
1.264     schwarze  875:        /*
1.1       kristaps  876:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  877:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  878:         */
                    879:
1.314     schwarze  880:        if (n->type == ROFFT_HEAD)
1.1       kristaps  881:                switch (type) {
1.264     schwarze  882:                case LIST_bullet:
1.102     kristaps  883:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  884:                        term_word(p, "\\[bu]");
1.102     kristaps  885:                        term_fontpop(p);
1.1       kristaps  886:                        break;
1.264     schwarze  887:                case LIST_dash:
                    888:                case LIST_hyphen:
1.102     kristaps  889:                        term_fontpush(p, TERMFONT_BOLD);
1.330   ! schwarze  890:                        term_word(p, "-");
1.102     kristaps  891:                        term_fontpop(p);
1.1       kristaps  892:                        break;
1.264     schwarze  893:                case LIST_enum:
1.1       kristaps  894:                        (pair->ppair->ppair->count)++;
1.265     schwarze  895:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  896:                            pair->ppair->ppair->count);
1.1       kristaps  897:                        term_word(p, buf);
                    898:                        break;
                    899:                default:
                    900:                        break;
                    901:                }
                    902:
1.264     schwarze  903:        /*
1.1       kristaps  904:         * If we're not going to process our children, indicate so here.
                    905:         */
                    906:
                    907:        switch (type) {
1.264     schwarze  908:        case LIST_bullet:
                    909:        case LIST_item:
                    910:        case LIST_dash:
                    911:        case LIST_hyphen:
                    912:        case LIST_enum:
1.314     schwarze  913:                if (n->type == ROFFT_HEAD)
1.328     schwarze  914:                        return 0;
1.1       kristaps  915:                break;
1.264     schwarze  916:        case LIST_column:
1.314     schwarze  917:                if (n->type == ROFFT_HEAD)
1.328     schwarze  918:                        return 0;
1.1       kristaps  919:                break;
                    920:        default:
                    921:                break;
                    922:        }
                    923:
1.328     schwarze  924:        return 1;
1.1       kristaps  925: }
                    926:
                    927: static void
                    928: termp_it_post(DECL_ARGS)
                    929: {
1.126     kristaps  930:        enum mdoc_list     type;
1.1       kristaps  931:
1.314     schwarze  932:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  933:                return;
                    934:
1.202     kristaps  935:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  936:
                    937:        switch (type) {
1.264     schwarze  938:        case LIST_item:
                    939:        case LIST_diag:
                    940:        case LIST_inset:
1.314     schwarze  941:                if (n->type == ROFFT_BODY)
1.130     schwarze  942:                        term_newln(p);
1.1       kristaps  943:                break;
1.264     schwarze  944:        case LIST_column:
1.314     schwarze  945:                if (n->type == ROFFT_BODY)
1.1       kristaps  946:                        term_flushln(p);
                    947:                break;
                    948:        default:
1.130     schwarze  949:                term_newln(p);
1.1       kristaps  950:                break;
                    951:        }
                    952:
1.264     schwarze  953:        /*
1.109     kristaps  954:         * Now that our output is flushed, we can reset our tags.  Since
                    955:         * only `It' sets these flags, we're free to assume that nobody
                    956:         * has munged them in the meanwhile.
                    957:         */
                    958:
1.326     schwarze  959:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263     schwarze  960:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  961:        p->trailspace = 0;
1.1       kristaps  962: }
                    963:
                    964: static int
                    965: termp_nm_pre(DECL_ARGS)
                    966: {
1.296     schwarze  967:        const char      *cp;
1.1       kristaps  968:
1.314     schwarze  969:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze  970:                p->flags |= TERMP_PREKEEP;
1.328     schwarze  971:                return 1;
1.253     schwarze  972:        }
1.164     schwarze  973:
1.314     schwarze  974:        if (n->type == ROFFT_BODY) {
1.164     schwarze  975:                if (NULL == n->child)
1.328     schwarze  976:                        return 0;
1.234     schwarze  977:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  978:                cp = NULL;
                    979:                if (n->prev->child != NULL)
                    980:                    cp = n->prev->child->string;
                    981:                if (cp == NULL)
                    982:                        cp = meta->name;
                    983:                if (cp == NULL)
                    984:                        p->offset += term_len(p, 6);
                    985:                else
                    986:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328     schwarze  987:                return 1;
1.164     schwarze  988:        }
                    989:
1.245     schwarze  990:        if (NULL == n->child && NULL == meta->name)
1.328     schwarze  991:                return 0;
1.125     kristaps  992:
1.314     schwarze  993:        if (n->type == ROFFT_HEAD)
1.177     schwarze  994:                synopsis_pre(p, n->parent);
1.102     kristaps  995:
1.314     schwarze  996:        if (n->type == ROFFT_HEAD &&
1.278     schwarze  997:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze  998:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  999:                p->trailspace = 1;
1.185     schwarze 1000:                p->rmargin = p->offset + term_len(p, 1);
                   1001:                if (NULL == n->child) {
1.245     schwarze 1002:                        p->rmargin += term_strlen(p, meta->name);
1.314     schwarze 1003:                } else if (n->child->type == ROFFT_TEXT) {
1.185     schwarze 1004:                        p->rmargin += term_strlen(p, n->child->string);
                   1005:                        if (n->child->next)
                   1006:                                p->flags |= TERMP_HANG;
                   1007:                } else {
                   1008:                        p->rmargin += term_len(p, 5);
                   1009:                        p->flags |= TERMP_HANG;
                   1010:                }
1.164     schwarze 1011:        }
                   1012:
1.102     kristaps 1013:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1014:        if (NULL == n->child)
1.245     schwarze 1015:                term_word(p, meta->name);
1.328     schwarze 1016:        return 1;
1.1       kristaps 1017: }
                   1018:
1.164     schwarze 1019: static void
                   1020: termp_nm_post(DECL_ARGS)
                   1021: {
                   1022:
1.314     schwarze 1023:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze 1024:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314     schwarze 1025:        } else if (n->type == ROFFT_HEAD &&
1.278     schwarze 1026:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1027:                term_flushln(p);
1.263     schwarze 1028:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1029:                p->trailspace = 0;
1.314     schwarze 1030:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164     schwarze 1031:                term_flushln(p);
                   1032: }
                   1033:
1.1       kristaps 1034: static int
                   1035: termp_fl_pre(DECL_ARGS)
                   1036: {
                   1037:
1.320     schwarze 1038:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1039:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1040:        term_word(p, "\\-");
1.103     kristaps 1041:
1.280     schwarze 1042:        if ( ! (n->nchild == 0 &&
                   1043:            (n->next == NULL ||
1.314     schwarze 1044:             n->next->type == ROFFT_TEXT ||
1.280     schwarze 1045:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1046:                p->flags |= TERMP_NOSPACE;
                   1047:
1.328     schwarze 1048:        return 1;
1.1       kristaps 1049: }
                   1050:
                   1051: static int
1.184     kristaps 1052: termp__a_pre(DECL_ARGS)
                   1053: {
                   1054:
                   1055:        if (n->prev && MDOC__A == n->prev->tok)
                   1056:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1057:                        term_word(p, "and");
                   1058:
1.328     schwarze 1059:        return 1;
1.184     kristaps 1060: }
                   1061:
                   1062: static int
1.61      kristaps 1063: termp_an_pre(DECL_ARGS)
                   1064: {
                   1065:
1.282     schwarze 1066:        if (n->norm->An.auth == AUTH_split) {
                   1067:                p->flags &= ~TERMP_NOSPLIT;
                   1068:                p->flags |= TERMP_SPLIT;
1.328     schwarze 1069:                return 0;
1.282     schwarze 1070:        }
                   1071:        if (n->norm->An.auth == AUTH_nosplit) {
                   1072:                p->flags &= ~TERMP_SPLIT;
                   1073:                p->flags |= TERMP_NOSPLIT;
1.328     schwarze 1074:                return 0;
1.282     schwarze 1075:        }
1.264     schwarze 1076:
1.282     schwarze 1077:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1078:                term_newln(p);
                   1079:
1.282     schwarze 1080:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1081:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1082:
1.328     schwarze 1083:        return 1;
1.61      kristaps 1084: }
                   1085:
                   1086: static int
1.1       kristaps 1087: termp_ns_pre(DECL_ARGS)
                   1088: {
                   1089:
1.215     kristaps 1090:        if ( ! (MDOC_LINE & n->flags))
                   1091:                p->flags |= TERMP_NOSPACE;
1.328     schwarze 1092:        return 1;
1.1       kristaps 1093: }
                   1094:
                   1095: static int
                   1096: termp_rs_pre(DECL_ARGS)
                   1097: {
                   1098:
1.86      kristaps 1099:        if (SEC_SEE_ALSO != n->sec)
1.328     schwarze 1100:                return 1;
1.314     schwarze 1101:        if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1       kristaps 1102:                term_vspace(p);
1.328     schwarze 1103:        return 1;
1.1       kristaps 1104: }
                   1105:
                   1106: static int
                   1107: termp_rv_pre(DECL_ARGS)
                   1108: {
1.223     kristaps 1109:        int              nchild;
1.1       kristaps 1110:
                   1111:        term_newln(p);
                   1112:
1.223     kristaps 1113:        nchild = n->nchild;
1.273     schwarze 1114:        if (nchild > 0) {
                   1115:                term_word(p, "The");
1.224     kristaps 1116:
1.273     schwarze 1117:                for (n = n->child; n; n = n->next) {
                   1118:                        term_fontpush(p, TERMFONT_BOLD);
                   1119:                        term_word(p, n->string);
                   1120:                        term_fontpop(p);
1.223     kristaps 1121:
                   1122:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1123:                        term_word(p, "()");
                   1124:
                   1125:                        if (n->next == NULL)
                   1126:                                continue;
                   1127:
                   1128:                        if (nchild > 2) {
                   1129:                                p->flags |= TERMP_NOSPACE;
                   1130:                                term_word(p, ",");
                   1131:                        }
                   1132:                        if (n->next->next == NULL)
                   1133:                                term_word(p, "and");
1.223     kristaps 1134:                }
                   1135:
1.273     schwarze 1136:                if (nchild > 1)
                   1137:                        term_word(p, "functions return");
                   1138:                else
                   1139:                        term_word(p, "function returns");
                   1140:
                   1141:                term_word(p, "the value\\~0 if successful;");
                   1142:        } else
                   1143:                term_word(p, "Upon successful completion,"
                   1144:                    " the value\\~0 is returned;");
1.1       kristaps 1145:
1.273     schwarze 1146:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1147:            " and the global variable");
1.1       kristaps 1148:
1.102     kristaps 1149:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1150:        term_word(p, "errno");
1.102     kristaps 1151:        term_fontpop(p);
1.1       kristaps 1152:
1.264     schwarze 1153:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1154:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1155:
1.328     schwarze 1156:        return 0;
1.1       kristaps 1157: }
                   1158:
                   1159: static int
                   1160: termp_ex_pre(DECL_ARGS)
                   1161: {
1.224     kristaps 1162:        int              nchild;
1.1       kristaps 1163:
1.224     kristaps 1164:        term_newln(p);
1.68      kristaps 1165:        term_word(p, "The");
1.1       kristaps 1166:
1.224     kristaps 1167:        nchild = n->nchild;
                   1168:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1169:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1170:                term_word(p, n->string);
1.102     kristaps 1171:                term_fontpop(p);
1.224     kristaps 1172:
                   1173:                if (nchild > 2 && n->next) {
                   1174:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1175:                        term_word(p, ",");
1.224     kristaps 1176:                }
                   1177:
                   1178:                if (n->next && NULL == n->next->next)
                   1179:                        term_word(p, "and");
1.68      kristaps 1180:        }
                   1181:
1.224     kristaps 1182:        if (nchild > 1)
1.273     schwarze 1183:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1184:        else
1.273     schwarze 1185:                term_word(p, "utility exits\\~0");
1.68      kristaps 1186:
1.273     schwarze 1187:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1188:
1.131     kristaps 1189:        p->flags |= TERMP_SENTENCE;
1.328     schwarze 1190:        return 0;
1.1       kristaps 1191: }
                   1192:
                   1193: static int
                   1194: termp_nd_pre(DECL_ARGS)
                   1195: {
1.25      kristaps 1196:
1.314     schwarze 1197:        if (n->type == ROFFT_BODY)
1.297     schwarze 1198:                term_word(p, "\\(en");
1.328     schwarze 1199:        return 1;
1.115     kristaps 1200: }
                   1201:
                   1202: static int
                   1203: termp_bl_pre(DECL_ARGS)
                   1204: {
                   1205:
1.328     schwarze 1206:        return n->type != ROFFT_HEAD;
1.1       kristaps 1207: }
                   1208:
                   1209: static void
                   1210: termp_bl_post(DECL_ARGS)
                   1211: {
                   1212:
1.314     schwarze 1213:        if (n->type == ROFFT_BLOCK)
1.1       kristaps 1214:                term_newln(p);
                   1215: }
                   1216:
                   1217: static int
                   1218: termp_xr_pre(DECL_ARGS)
                   1219: {
                   1220:
1.225     kristaps 1221:        if (NULL == (n = n->child))
1.328     schwarze 1222:                return 0;
1.113     kristaps 1223:
1.314     schwarze 1224:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1225:        term_word(p, n->string);
1.11      kristaps 1226:
1.264     schwarze 1227:        if (NULL == (n = n->next))
1.328     schwarze 1228:                return 0;
1.225     kristaps 1229:
1.1       kristaps 1230:        p->flags |= TERMP_NOSPACE;
                   1231:        term_word(p, "(");
1.222     kristaps 1232:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1233:
1.314     schwarze 1234:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1235:        term_word(p, n->string);
                   1236:
1.222     kristaps 1237:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1238:        term_word(p, ")");
1.86      kristaps 1239:
1.328     schwarze 1240:        return 0;
1.1       kristaps 1241: }
                   1242:
1.143     kristaps 1243: /*
                   1244:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1245:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1246:  * macro combos).
                   1247:  */
                   1248: static void
1.315     schwarze 1249: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143     kristaps 1250: {
1.264     schwarze 1251:        /*
1.143     kristaps 1252:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1253:         * exist, do nothing.
                   1254:         */
1.160     kristaps 1255:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1256:                return;
                   1257:
                   1258:        /*
                   1259:         * If we're the second in a pair of like elements, emit our
                   1260:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1261:         * case we soldier on.
                   1262:         */
1.264     schwarze 1263:        if (n->prev->tok == n->tok &&
                   1264:            MDOC_Ft != n->tok &&
                   1265:            MDOC_Fo != n->tok &&
                   1266:            MDOC_Fn != n->tok) {
1.143     kristaps 1267:                term_newln(p);
                   1268:                return;
                   1269:        }
                   1270:
                   1271:        /*
                   1272:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1273:         * another (or Fn/Fo, which we've let slip through) then assert
                   1274:         * vertical space, else only newline and move on.
                   1275:         */
                   1276:        switch (n->prev->tok) {
1.264     schwarze 1277:        case MDOC_Fd:
                   1278:        case MDOC_Fn:
                   1279:        case MDOC_Fo:
                   1280:        case MDOC_In:
                   1281:        case MDOC_Vt:
1.143     kristaps 1282:                term_vspace(p);
                   1283:                break;
1.264     schwarze 1284:        case MDOC_Ft:
1.143     kristaps 1285:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1286:                        term_vspace(p);
                   1287:                        break;
                   1288:                }
                   1289:                /* FALLTHROUGH */
                   1290:        default:
                   1291:                term_newln(p);
                   1292:                break;
                   1293:        }
                   1294: }
                   1295:
1.110     kristaps 1296: static int
                   1297: termp_vt_pre(DECL_ARGS)
                   1298: {
                   1299:
1.314     schwarze 1300:        if (n->type == ROFFT_ELEM) {
1.143     kristaps 1301:                synopsis_pre(p, n);
1.328     schwarze 1302:                return termp_under_pre(p, pair, meta, n);
1.314     schwarze 1303:        } else if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1304:                synopsis_pre(p, n);
1.328     schwarze 1305:                return 1;
1.314     schwarze 1306:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1307:                return 0;
1.110     kristaps 1308:
1.328     schwarze 1309:        return termp_under_pre(p, pair, meta, n);
1.110     kristaps 1310: }
                   1311:
1.1       kristaps 1312: static int
1.69      kristaps 1313: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1314: {
                   1315:
1.320     schwarze 1316:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1317:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1318:        return 1;
1.1       kristaps 1319: }
                   1320:
1.143     kristaps 1321: static int
                   1322: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1323: {
                   1324:
1.143     kristaps 1325:        synopsis_pre(p, n);
1.328     schwarze 1326:        return termp_bold_pre(p, pair, meta, n);
1.1       kristaps 1327: }
                   1328:
1.241     schwarze 1329: static void
                   1330: termp_fd_post(DECL_ARGS)
                   1331: {
                   1332:
                   1333:        term_newln(p);
                   1334: }
                   1335:
1.1       kristaps 1336: static int
                   1337: termp_sh_pre(DECL_ARGS)
                   1338: {
1.85      kristaps 1339:
1.86      kristaps 1340:        switch (n->type) {
1.314     schwarze 1341:        case ROFFT_BLOCK:
1.293     schwarze 1342:                /*
                   1343:                 * Vertical space before sections, except
                   1344:                 * when the previous section was empty.
                   1345:                 */
                   1346:                if (n->prev == NULL ||
1.322     schwarze 1347:                    n->prev->tok != MDOC_Sh ||
1.293     schwarze 1348:                    (n->prev->body != NULL &&
                   1349:                     n->prev->body->child != NULL))
                   1350:                        term_vspace(p);
1.65      kristaps 1351:                break;
1.314     schwarze 1352:        case ROFFT_HEAD:
1.102     kristaps 1353:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1354:                break;
1.314     schwarze 1355:        case ROFFT_BODY:
1.238     schwarze 1356:                p->offset = term_len(p, p->defindent);
1.322     schwarze 1357:                switch (n->sec) {
                   1358:                case SEC_DESCRIPTION:
                   1359:                        fn_prio = 0;
                   1360:                        break;
                   1361:                case SEC_AUTHORS:
1.239     schwarze 1362:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322     schwarze 1363:                        break;
                   1364:                default:
                   1365:                        break;
                   1366:                }
1.1       kristaps 1367:                break;
                   1368:        default:
                   1369:                break;
                   1370:        }
1.328     schwarze 1371:        return 1;
1.1       kristaps 1372: }
                   1373:
                   1374: static void
                   1375: termp_sh_post(DECL_ARGS)
                   1376: {
                   1377:
1.86      kristaps 1378:        switch (n->type) {
1.314     schwarze 1379:        case ROFFT_HEAD:
1.1       kristaps 1380:                term_newln(p);
                   1381:                break;
1.314     schwarze 1382:        case ROFFT_BODY:
1.1       kristaps 1383:                term_newln(p);
                   1384:                p->offset = 0;
                   1385:                break;
                   1386:        default:
                   1387:                break;
                   1388:        }
                   1389: }
                   1390:
                   1391: static int
                   1392: termp_bt_pre(DECL_ARGS)
                   1393: {
                   1394:
                   1395:        term_word(p, "is currently in beta test.");
1.131     kristaps 1396:        p->flags |= TERMP_SENTENCE;
1.328     schwarze 1397:        return 0;
1.1       kristaps 1398: }
                   1399:
                   1400: static void
                   1401: termp_lb_post(DECL_ARGS)
                   1402: {
                   1403:
1.122     kristaps 1404:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1405:                term_newln(p);
1.1       kristaps 1406: }
                   1407:
                   1408: static int
                   1409: termp_ud_pre(DECL_ARGS)
                   1410: {
                   1411:
                   1412:        term_word(p, "currently under development.");
1.131     kristaps 1413:        p->flags |= TERMP_SENTENCE;
1.328     schwarze 1414:        return 0;
1.1       kristaps 1415: }
                   1416:
                   1417: static int
                   1418: termp_d1_pre(DECL_ARGS)
                   1419: {
                   1420:
1.314     schwarze 1421:        if (n->type != ROFFT_BLOCK)
1.328     schwarze 1422:                return 1;
1.1       kristaps 1423:        term_newln(p);
1.238     schwarze 1424:        p->offset += term_len(p, p->defindent + 1);
1.328     schwarze 1425:        return 1;
1.1       kristaps 1426: }
                   1427:
                   1428: static int
                   1429: termp_ft_pre(DECL_ARGS)
                   1430: {
                   1431:
1.141     kristaps 1432:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1433:        synopsis_pre(p, n);
1.102     kristaps 1434:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1435:        return 1;
1.1       kristaps 1436: }
                   1437:
                   1438: static int
                   1439: termp_fn_pre(DECL_ARGS)
                   1440: {
1.257     schwarze 1441:        size_t           rmargin = 0;
1.226     kristaps 1442:        int              pretty;
                   1443:
                   1444:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1445:
1.143     kristaps 1446:        synopsis_pre(p, n);
1.139     kristaps 1447:
1.226     kristaps 1448:        if (NULL == (n = n->child))
1.328     schwarze 1449:                return 0;
1.226     kristaps 1450:
1.251     schwarze 1451:        if (pretty) {
                   1452:                rmargin = p->rmargin;
1.257     schwarze 1453:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1454:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1455:        }
                   1456:
1.314     schwarze 1457:        assert(n->type == ROFFT_TEXT);
1.102     kristaps 1458:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1459:        term_word(p, n->string);
1.102     kristaps 1460:        term_fontpop(p);
1.1       kristaps 1461:
1.324     schwarze 1462:        if (n->sec == SEC_DESCRIPTION)
                   1463:                tag_put(n->string, ++fn_prio, p->line);
1.322     schwarze 1464:
1.251     schwarze 1465:        if (pretty) {
                   1466:                term_flushln(p);
1.263     schwarze 1467:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1468:                p->offset = p->rmargin;
                   1469:                p->rmargin = rmargin;
                   1470:        }
                   1471:
1.1       kristaps 1472:        p->flags |= TERMP_NOSPACE;
                   1473:        term_word(p, "(");
1.222     kristaps 1474:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1475:
1.226     kristaps 1476:        for (n = n->next; n; n = n->next) {
1.314     schwarze 1477:                assert(n->type == ROFFT_TEXT);
1.102     kristaps 1478:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1479:                if (pretty)
                   1480:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1481:                term_word(p, n->string);
1.102     kristaps 1482:                term_fontpop(p);
                   1483:
1.226     kristaps 1484:                if (n->next) {
1.222     kristaps 1485:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1486:                        term_word(p, ",");
1.222     kristaps 1487:                }
1.1       kristaps 1488:        }
                   1489:
1.222     kristaps 1490:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1491:        term_word(p, ")");
                   1492:
1.226     kristaps 1493:        if (pretty) {
1.222     kristaps 1494:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1495:                term_word(p, ";");
1.251     schwarze 1496:                term_flushln(p);
1.222     kristaps 1497:        }
1.1       kristaps 1498:
1.328     schwarze 1499:        return 0;
1.1       kristaps 1500: }
                   1501:
                   1502: static int
                   1503: termp_fa_pre(DECL_ARGS)
                   1504: {
1.315     schwarze 1505:        const struct roff_node  *nn;
1.1       kristaps 1506:
1.86      kristaps 1507:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1508:                term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1509:                return 1;
1.1       kristaps 1510:        }
                   1511:
1.86      kristaps 1512:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1513:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1514:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1515:                term_word(p, nn->string);
1.102     kristaps 1516:                term_fontpop(p);
                   1517:
1.256     schwarze 1518:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1519:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1520:                        term_word(p, ",");
1.222     kristaps 1521:                }
1.1       kristaps 1522:        }
                   1523:
1.328     schwarze 1524:        return 0;
1.1       kristaps 1525: }
                   1526:
                   1527: static int
                   1528: termp_bd_pre(DECL_ARGS)
                   1529: {
1.272     schwarze 1530:        size_t                   tabwidth, lm, len, rm, rmax;
1.315     schwarze 1531:        struct roff_node        *nn;
1.302     schwarze 1532:        int                      offset;
1.1       kristaps 1533:
1.314     schwarze 1534:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps 1535:                print_bvspace(p, n, n);
1.328     schwarze 1536:                return 1;
1.314     schwarze 1537:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1538:                return 0;
1.1       kristaps 1539:
1.288     schwarze 1540:        /* Handle the -offset argument. */
                   1541:
                   1542:        if (n->norm->Bd.offs == NULL ||
                   1543:            ! strcmp(n->norm->Bd.offs, "left"))
                   1544:                /* nothing */;
                   1545:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1546:                p->offset += term_len(p, p->defindent + 1);
                   1547:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1548:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1549:        else {
                   1550:                offset = a2width(p, n->norm->Bd.offs);
                   1551:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1552:                        p->offset = 0;
                   1553:                else if (offset < SHRT_MAX)
                   1554:                        p->offset += offset;
                   1555:        }
1.85      kristaps 1556:
                   1557:        /*
                   1558:         * If -ragged or -filled are specified, the block does nothing
                   1559:         * but change the indentation.  If -unfilled or -literal are
                   1560:         * specified, text is printed exactly as entered in the display:
                   1561:         * for macro lines, a newline is appended to the line.  Blank
                   1562:         * lines are allowed.
                   1563:         */
1.264     schwarze 1564:
                   1565:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1566:            DISP_unfilled != n->norm->Bd.type &&
                   1567:            DISP_centered != n->norm->Bd.type)
1.328     schwarze 1568:                return 1;
1.1       kristaps 1569:
1.129     schwarze 1570:        tabwidth = p->tabwidth;
1.208     kristaps 1571:        if (DISP_literal == n->norm->Bd.type)
                   1572:                p->tabwidth = term_len(p, 8);
                   1573:
1.272     schwarze 1574:        lm = p->offset;
1.119     kristaps 1575:        rm = p->rmargin;
                   1576:        rmax = p->maxrmargin;
1.120     kristaps 1577:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1578:
1.86      kristaps 1579:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1580:                if (DISP_centered == n->norm->Bd.type) {
1.314     schwarze 1581:                        if (nn->type == ROFFT_TEXT) {
1.272     schwarze 1582:                                len = term_strlen(p, nn->string);
                   1583:                                p->offset = len >= rm ? 0 :
                   1584:                                    lm + len >= rm ? rm - len :
                   1585:                                    (lm + rm - len) / 2;
                   1586:                        } else
                   1587:                                p->offset = lm;
                   1588:                }
1.245     schwarze 1589:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1590:                /*
                   1591:                 * If the printed node flushes its own line, then we
                   1592:                 * needn't do it here as well.  This is hacky, but the
                   1593:                 * notion of selective eoln whitespace is pretty dumb
                   1594:                 * anyway, so don't sweat it.
                   1595:                 */
                   1596:                switch (nn->tok) {
1.264     schwarze 1597:                case MDOC_Sm:
                   1598:                case MDOC_br:
                   1599:                case MDOC_sp:
                   1600:                case MDOC_Bl:
                   1601:                case MDOC_D1:
                   1602:                case MDOC_Dl:
                   1603:                case MDOC_Lp:
                   1604:                case MDOC_Pp:
1.190     kristaps 1605:                        continue;
                   1606:                default:
                   1607:                        break;
                   1608:                }
1.299     schwarze 1609:                if (p->flags & TERMP_NONEWLINE ||
                   1610:                    (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180     schwarze 1611:                        continue;
                   1612:                term_flushln(p);
                   1613:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1614:        }
1.147     kristaps 1615:
1.129     schwarze 1616:        p->tabwidth = tabwidth;
1.119     kristaps 1617:        p->rmargin = rm;
                   1618:        p->maxrmargin = rmax;
1.328     schwarze 1619:        return 0;
1.1       kristaps 1620: }
                   1621:
                   1622: static void
                   1623: termp_bd_post(DECL_ARGS)
                   1624: {
1.119     kristaps 1625:        size_t           rm, rmax;
1.1       kristaps 1626:
1.314     schwarze 1627:        if (n->type != ROFFT_BODY)
1.1       kristaps 1628:                return;
1.118     kristaps 1629:
1.119     kristaps 1630:        rm = p->rmargin;
                   1631:        rmax = p->maxrmargin;
1.118     kristaps 1632:
1.264     schwarze 1633:        if (DISP_literal == n->norm->Bd.type ||
                   1634:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1635:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1636:
1.60      kristaps 1637:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1638:        term_newln(p);
1.118     kristaps 1639:
1.119     kristaps 1640:        p->rmargin = rm;
                   1641:        p->maxrmargin = rmax;
1.1       kristaps 1642: }
                   1643:
1.211     kristaps 1644: static int
                   1645: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1646: {
                   1647:
1.211     kristaps 1648:        if (NULL != (n = n->child)) {
                   1649:                term_word(p, n->string);
                   1650:                p->flags |= TERMP_NOSPACE;
                   1651:                term_word(p, "BSD");
                   1652:        } else {
                   1653:                term_word(p, "BSD");
1.328     schwarze 1654:                return 0;
1.211     kristaps 1655:        }
                   1656:
                   1657:        if (NULL != (n = n->next)) {
                   1658:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1659:                term_word(p, "-");
1.1       kristaps 1660:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1661:                term_word(p, n->string);
1.211     kristaps 1662:        }
                   1663:
1.328     schwarze 1664:        return 0;
1.1       kristaps 1665: }
                   1666:
                   1667: static int
1.26      kristaps 1668: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1669: {
1.26      kristaps 1670:        const char      *pp;
1.218     schwarze 1671:        int              flags;
1.1       kristaps 1672:
1.26      kristaps 1673:        pp = NULL;
1.86      kristaps 1674:        switch (n->tok) {
1.264     schwarze 1675:        case MDOC_Bsx:
1.194     schwarze 1676:                pp = "BSD/OS";
1.26      kristaps 1677:                break;
1.264     schwarze 1678:        case MDOC_Dx:
1.100     kristaps 1679:                pp = "DragonFly";
1.26      kristaps 1680:                break;
1.264     schwarze 1681:        case MDOC_Fx:
1.26      kristaps 1682:                pp = "FreeBSD";
                   1683:                break;
1.264     schwarze 1684:        case MDOC_Nx:
1.26      kristaps 1685:                pp = "NetBSD";
                   1686:                break;
1.264     schwarze 1687:        case MDOC_Ox:
1.26      kristaps 1688:                pp = "OpenBSD";
                   1689:                break;
1.264     schwarze 1690:        case MDOC_Ux:
1.26      kristaps 1691:                pp = "UNIX";
                   1692:                break;
                   1693:        default:
1.246     schwarze 1694:                abort();
1.26      kristaps 1695:        }
1.1       kristaps 1696:
1.26      kristaps 1697:        term_word(p, pp);
1.214     kristaps 1698:        if (n->child) {
1.218     schwarze 1699:                flags = p->flags;
1.214     kristaps 1700:                p->flags |= TERMP_KEEP;
                   1701:                term_word(p, n->child->string);
1.218     schwarze 1702:                p->flags = flags;
1.214     kristaps 1703:        }
1.328     schwarze 1704:        return 0;
1.1       kristaps 1705: }
                   1706:
                   1707: static void
                   1708: termp_pf_post(DECL_ARGS)
                   1709: {
                   1710:
1.298     schwarze 1711:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1712:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1713: }
                   1714:
                   1715: static int
                   1716: termp_ss_pre(DECL_ARGS)
                   1717: {
                   1718:
1.86      kristaps 1719:        switch (n->type) {
1.314     schwarze 1720:        case ROFFT_BLOCK:
1.1       kristaps 1721:                term_newln(p);
1.86      kristaps 1722:                if (n->prev)
1.1       kristaps 1723:                        term_vspace(p);
                   1724:                break;
1.314     schwarze 1725:        case ROFFT_HEAD:
1.102     kristaps 1726:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1727:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1728:                break;
1.314     schwarze 1729:        case ROFFT_BODY:
1.274     schwarze 1730:                p->offset = term_len(p, p->defindent);
                   1731:                break;
1.1       kristaps 1732:        default:
                   1733:                break;
                   1734:        }
                   1735:
1.328     schwarze 1736:        return 1;
1.1       kristaps 1737: }
                   1738:
                   1739: static void
                   1740: termp_ss_post(DECL_ARGS)
                   1741: {
                   1742:
1.314     schwarze 1743:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1744:                term_newln(p);
                   1745: }
                   1746:
                   1747: static int
                   1748: termp_cd_pre(DECL_ARGS)
                   1749: {
                   1750:
1.143     kristaps 1751:        synopsis_pre(p, n);
1.102     kristaps 1752:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1753:        return 1;
1.1       kristaps 1754: }
                   1755:
                   1756: static int
                   1757: termp_in_pre(DECL_ARGS)
                   1758: {
1.142     schwarze 1759:
1.143     kristaps 1760:        synopsis_pre(p, n);
1.1       kristaps 1761:
1.160     kristaps 1762:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1763:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1764:                term_word(p, "#include");
1.138     kristaps 1765:                term_word(p, "<");
                   1766:        } else {
                   1767:                term_word(p, "<");
                   1768:                term_fontpush(p, TERMFONT_UNDER);
                   1769:        }
1.22      kristaps 1770:
1.1       kristaps 1771:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1772:        return 1;
1.1       kristaps 1773: }
                   1774:
                   1775: static void
                   1776: termp_in_post(DECL_ARGS)
                   1777: {
                   1778:
1.160     kristaps 1779:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1780:                term_fontpush(p, TERMFONT_BOLD);
                   1781:
1.79      kristaps 1782:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1783:        term_word(p, ">");
                   1784:
1.160     kristaps 1785:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1786:                term_fontpop(p);
1.1       kristaps 1787: }
                   1788:
                   1789: static int
1.45      kristaps 1790: termp_sp_pre(DECL_ARGS)
                   1791: {
1.300     schwarze 1792:        struct roffsu    su;
1.312     schwarze 1793:        int              i, len;
1.45      kristaps 1794:
1.86      kristaps 1795:        switch (n->tok) {
1.264     schwarze 1796:        case MDOC_sp:
1.300     schwarze 1797:                if (n->child) {
                   1798:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1799:                                su.scale = 1.0;
                   1800:                        len = term_vspan(p, &su);
                   1801:                } else
                   1802:                        len = 1;
1.76      kristaps 1803:                break;
1.264     schwarze 1804:        case MDOC_br:
1.76      kristaps 1805:                len = 0;
                   1806:                break;
                   1807:        default:
                   1808:                len = 1;
1.322     schwarze 1809:                fn_prio = 0;
1.76      kristaps 1810:                break;
1.45      kristaps 1811:        }
                   1812:
                   1813:        if (0 == len)
                   1814:                term_newln(p);
1.312     schwarze 1815:        else if (len < 0)
                   1816:                p->skipvsp -= len;
                   1817:        else
                   1818:                for (i = 0; i < len; i++)
                   1819:                        term_vspace(p);
1.45      kristaps 1820:
1.328     schwarze 1821:        return 0;
1.45      kristaps 1822: }
                   1823:
                   1824: static int
1.294     schwarze 1825: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1826: {
                   1827:
1.328     schwarze 1828:        return 0;
1.268     schwarze 1829: }
                   1830:
                   1831: static int
1.188     kristaps 1832: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1833: {
                   1834:
1.314     schwarze 1835:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328     schwarze 1836:                return 1;
1.1       kristaps 1837:
1.188     kristaps 1838:        switch (n->tok) {
1.264     schwarze 1839:        case MDOC_Ao:
                   1840:        case MDOC_Aq:
1.303     schwarze 1841:                term_word(p, n->nchild == 1 &&
                   1842:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1843:                break;
1.264     schwarze 1844:        case MDOC_Bro:
                   1845:        case MDOC_Brq:
1.188     kristaps 1846:                term_word(p, "{");
                   1847:                break;
1.264     schwarze 1848:        case MDOC_Oo:
                   1849:        case MDOC_Op:
                   1850:        case MDOC_Bo:
                   1851:        case MDOC_Bq:
1.188     kristaps 1852:                term_word(p, "[");
                   1853:                break;
1.264     schwarze 1854:        case MDOC_Do:
                   1855:        case MDOC_Dq:
1.311     schwarze 1856:                term_word(p, "\\(Lq");
1.188     kristaps 1857:                break;
1.268     schwarze 1858:        case MDOC_En:
                   1859:                if (NULL == n->norm->Es ||
                   1860:                    NULL == n->norm->Es->child)
1.328     schwarze 1861:                        return 1;
1.268     schwarze 1862:                term_word(p, n->norm->Es->child->string);
                   1863:                break;
1.264     schwarze 1864:        case MDOC_Po:
                   1865:        case MDOC_Pq:
1.188     kristaps 1866:                term_word(p, "(");
                   1867:                break;
1.264     schwarze 1868:        case MDOC__T:
                   1869:        case MDOC_Qo:
                   1870:        case MDOC_Qq:
1.188     kristaps 1871:                term_word(p, "\"");
                   1872:                break;
1.264     schwarze 1873:        case MDOC_Ql:
                   1874:        case MDOC_So:
                   1875:        case MDOC_Sq:
1.249     schwarze 1876:                term_word(p, "\\(oq");
1.188     kristaps 1877:                break;
                   1878:        default:
                   1879:                abort();
                   1880:        }
1.1       kristaps 1881:
                   1882:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1883:        return 1;
1.1       kristaps 1884: }
                   1885:
                   1886: static void
1.188     kristaps 1887: termp_quote_post(DECL_ARGS)
1.1       kristaps 1888: {
                   1889:
1.314     schwarze 1890:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1891:                return;
                   1892:
1.306     schwarze 1893:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1894:
1.188     kristaps 1895:        switch (n->tok) {
1.264     schwarze 1896:        case MDOC_Ao:
                   1897:        case MDOC_Aq:
1.303     schwarze 1898:                term_word(p, n->nchild == 1 &&
                   1899:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1900:                break;
1.264     schwarze 1901:        case MDOC_Bro:
                   1902:        case MDOC_Brq:
1.188     kristaps 1903:                term_word(p, "}");
                   1904:                break;
1.264     schwarze 1905:        case MDOC_Oo:
                   1906:        case MDOC_Op:
                   1907:        case MDOC_Bo:
                   1908:        case MDOC_Bq:
1.188     kristaps 1909:                term_word(p, "]");
                   1910:                break;
1.264     schwarze 1911:        case MDOC_Do:
                   1912:        case MDOC_Dq:
1.311     schwarze 1913:                term_word(p, "\\(Rq");
1.268     schwarze 1914:                break;
                   1915:        case MDOC_En:
1.306     schwarze 1916:                if (n->norm->Es == NULL ||
                   1917:                    n->norm->Es->child == NULL ||
                   1918:                    n->norm->Es->child->next == NULL)
                   1919:                        p->flags &= ~TERMP_NOSPACE;
                   1920:                else
1.268     schwarze 1921:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1922:                break;
1.264     schwarze 1923:        case MDOC_Po:
                   1924:        case MDOC_Pq:
1.188     kristaps 1925:                term_word(p, ")");
                   1926:                break;
1.264     schwarze 1927:        case MDOC__T:
                   1928:        case MDOC_Qo:
                   1929:        case MDOC_Qq:
1.188     kristaps 1930:                term_word(p, "\"");
                   1931:                break;
1.264     schwarze 1932:        case MDOC_Ql:
                   1933:        case MDOC_So:
                   1934:        case MDOC_Sq:
1.249     schwarze 1935:                term_word(p, "\\(cq");
1.188     kristaps 1936:                break;
                   1937:        default:
                   1938:                abort();
                   1939:        }
1.306     schwarze 1940: }
                   1941:
                   1942: static int
                   1943: termp_eo_pre(DECL_ARGS)
                   1944: {
                   1945:
1.314     schwarze 1946:        if (n->type != ROFFT_BODY)
1.328     schwarze 1947:                return 1;
1.306     schwarze 1948:
                   1949:        if (n->end == ENDBODY_NOT &&
                   1950:            n->parent->head->child == NULL &&
                   1951:            n->child != NULL &&
                   1952:            n->child->end != ENDBODY_NOT)
                   1953:                term_word(p, "\\&");
                   1954:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1955:             n->parent->head->child != NULL && (n->child != NULL ||
                   1956:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 1957:                p->flags |= TERMP_NOSPACE;
                   1958:
1.328     schwarze 1959:        return 1;
1.306     schwarze 1960: }
                   1961:
                   1962: static void
                   1963: termp_eo_post(DECL_ARGS)
                   1964: {
                   1965:        int      body, tail;
                   1966:
1.314     schwarze 1967:        if (n->type != ROFFT_BODY)
1.306     schwarze 1968:                return;
                   1969:
                   1970:        if (n->end != ENDBODY_NOT) {
                   1971:                p->flags &= ~TERMP_NOSPACE;
                   1972:                return;
                   1973:        }
                   1974:
                   1975:        body = n->child != NULL || n->parent->head->child != NULL;
                   1976:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1977:
                   1978:        if (body && tail)
                   1979:                p->flags |= TERMP_NOSPACE;
                   1980:        else if ( ! (body || tail))
                   1981:                term_word(p, "\\&");
                   1982:        else if ( ! tail)
                   1983:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1984: }
                   1985:
                   1986: static int
                   1987: termp_fo_pre(DECL_ARGS)
                   1988: {
1.257     schwarze 1989:        size_t           rmargin = 0;
1.256     schwarze 1990:        int              pretty;
                   1991:
                   1992:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1993:
1.314     schwarze 1994:        if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1995:                synopsis_pre(p, n);
1.328     schwarze 1996:                return 1;
1.314     schwarze 1997:        } else if (n->type == ROFFT_BODY) {
1.256     schwarze 1998:                if (pretty) {
                   1999:                        rmargin = p->rmargin;
1.257     schwarze 2000:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2001:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2002:                                        TERMP_HANG;
1.256     schwarze 2003:                }
1.33      kristaps 2004:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2005:                term_word(p, "(");
1.222     kristaps 2006:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2007:                if (pretty) {
                   2008:                        term_flushln(p);
1.263     schwarze 2009:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2010:                                        TERMP_HANG);
1.256     schwarze 2011:                        p->offset = p->rmargin;
                   2012:                        p->rmargin = rmargin;
                   2013:                }
1.328     schwarze 2014:                return 1;
1.256     schwarze 2015:        }
1.141     kristaps 2016:
1.169     kristaps 2017:        if (NULL == n->child)
1.328     schwarze 2018:                return 0;
1.169     kristaps 2019:
1.141     kristaps 2020:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2021:
1.141     kristaps 2022:        assert(n->child->string);
1.102     kristaps 2023:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2024:        term_word(p, n->child->string);
1.328     schwarze 2025:        return 0;
1.1       kristaps 2026: }
                   2027:
                   2028: static void
                   2029: termp_fo_post(DECL_ARGS)
                   2030: {
                   2031:
1.314     schwarze 2032:        if (n->type != ROFFT_BODY)
1.143     kristaps 2033:                return;
                   2034:
1.222     kristaps 2035:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2036:        term_word(p, ")");
                   2037:
1.222     kristaps 2038:        if (MDOC_SYNPRETTY & n->flags) {
                   2039:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2040:                term_word(p, ";");
1.256     schwarze 2041:                term_flushln(p);
1.222     kristaps 2042:        }
1.1       kristaps 2043: }
                   2044:
                   2045: static int
                   2046: termp_bf_pre(DECL_ARGS)
                   2047: {
                   2048:
1.314     schwarze 2049:        if (n->type == ROFFT_HEAD)
1.328     schwarze 2050:                return 0;
1.314     schwarze 2051:        else if (n->type != ROFFT_BODY)
1.328     schwarze 2052:                return 1;
1.1       kristaps 2053:
1.264     schwarze 2054:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2055:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2056:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2057:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2058:        else
1.102     kristaps 2059:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2060:
1.328     schwarze 2061:        return 1;
1.1       kristaps 2062: }
                   2063:
                   2064: static int
                   2065: termp_sm_pre(DECL_ARGS)
                   2066: {
                   2067:
1.269     schwarze 2068:        if (NULL == n->child)
                   2069:                p->flags ^= TERMP_NONOSPACE;
                   2070:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2071:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2072:        else
1.1       kristaps 2073:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2074:
                   2075:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2076:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2077:
1.328     schwarze 2078:        return 0;
1.1       kristaps 2079: }
                   2080:
                   2081: static int
                   2082: termp_ap_pre(DECL_ARGS)
                   2083: {
                   2084:
                   2085:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2086:        term_word(p, "'");
1.1       kristaps 2087:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 2088:        return 1;
1.1       kristaps 2089: }
                   2090:
                   2091: static void
                   2092: termp____post(DECL_ARGS)
                   2093: {
1.184     kristaps 2094:
                   2095:        /*
                   2096:         * Handle lists of authors.  In general, print each followed by
                   2097:         * a comma.  Don't print the comma if there are only two
                   2098:         * authors.
                   2099:         */
                   2100:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2101:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2102:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2103:                                return;
1.1       kristaps 2104:
1.95      kristaps 2105:        /* TODO: %U. */
                   2106:
1.187     kristaps 2107:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2108:                return;
                   2109:
1.222     kristaps 2110:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2111:        if (NULL == n->next) {
                   2112:                term_word(p, ".");
                   2113:                p->flags |= TERMP_SENTENCE;
                   2114:        } else
                   2115:                term_word(p, ",");
1.1       kristaps 2116: }
                   2117:
                   2118: static int
1.102     kristaps 2119: termp_li_pre(DECL_ARGS)
                   2120: {
                   2121:
                   2122:        term_fontpush(p, TERMFONT_NONE);
1.328     schwarze 2123:        return 1;
1.102     kristaps 2124: }
                   2125:
                   2126: static int
1.1       kristaps 2127: termp_lk_pre(DECL_ARGS)
                   2128: {
1.315     schwarze 2129:        const struct roff_node *link, *descr;
1.1       kristaps 2130:
1.240     schwarze 2131:        if (NULL == (link = n->child))
1.328     schwarze 2132:                return 0;
1.181     kristaps 2133:
1.240     schwarze 2134:        if (NULL != (descr = link->next)) {
                   2135:                term_fontpush(p, TERMFONT_UNDER);
                   2136:                while (NULL != descr) {
                   2137:                        term_word(p, descr->string);
                   2138:                        descr = descr->next;
                   2139:                }
                   2140:                p->flags |= TERMP_NOSPACE;
                   2141:                term_word(p, ":");
                   2142:                term_fontpop(p);
                   2143:        }
1.1       kristaps 2144:
1.102     kristaps 2145:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2146:        term_word(p, link->string);
1.102     kristaps 2147:        term_fontpop(p);
1.12      kristaps 2148:
1.328     schwarze 2149:        return 0;
1.1       kristaps 2150: }
                   2151:
1.159     schwarze 2152: static int
                   2153: termp_bk_pre(DECL_ARGS)
                   2154: {
                   2155:
1.161     schwarze 2156:        switch (n->type) {
1.314     schwarze 2157:        case ROFFT_BLOCK:
1.166     kristaps 2158:                break;
1.314     schwarze 2159:        case ROFFT_HEAD:
1.328     schwarze 2160:                return 0;
1.314     schwarze 2161:        case ROFFT_BODY:
1.200     schwarze 2162:                if (n->parent->args || 0 == n->prev->nchild)
                   2163:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2164:                break;
1.161     schwarze 2165:        default:
                   2166:                abort();
                   2167:        }
1.166     kristaps 2168:
1.328     schwarze 2169:        return 1;
1.159     schwarze 2170: }
                   2171:
                   2172: static void
                   2173: termp_bk_post(DECL_ARGS)
                   2174: {
                   2175:
1.314     schwarze 2176:        if (n->type == ROFFT_BODY)
1.161     schwarze 2177:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2178: }
                   2179:
                   2180: static void
                   2181: termp__t_post(DECL_ARGS)
                   2182: {
                   2183:
                   2184:        /*
                   2185:         * If we're in an `Rs' and there's a journal present, then quote
                   2186:         * us instead of underlining us (for disambiguation).
                   2187:         */
1.217     schwarze 2188:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2189:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2190:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2191:
1.245     schwarze 2192:        termp____post(p, pair, meta, n);
1.203     kristaps 2193: }
                   2194:
                   2195: static int
                   2196: termp__t_pre(DECL_ARGS)
                   2197: {
                   2198:
                   2199:        /*
                   2200:         * If we're in an `Rs' and there's a journal present, then quote
                   2201:         * us instead of underlining us (for disambiguation).
                   2202:         */
                   2203:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2204:            n->parent->norm->Rs.quote_T)
1.328     schwarze 2205:                return termp_quote_pre(p, pair, meta, n);
1.203     kristaps 2206:
                   2207:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 2208:        return 1;
1.159     schwarze 2209: }
1.1       kristaps 2210:
                   2211: static int
1.69      kristaps 2212: termp_under_pre(DECL_ARGS)
1.1       kristaps 2213: {
                   2214:
1.102     kristaps 2215:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 2216:        return 1;
1.323     schwarze 2217: }
                   2218:
                   2219: static int
                   2220: termp_er_pre(DECL_ARGS)
                   2221: {
                   2222:
                   2223:        if (n->sec == SEC_ERRORS &&
                   2224:            (n->parent->tok == MDOC_It ||
                   2225:             (n->parent->tok == MDOC_Bq &&
1.324     schwarze 2226:              n->parent->parent->parent->tok == MDOC_It)))
                   2227:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2228:        return 1;
1.320     schwarze 2229: }
                   2230:
                   2231: static int
                   2232: termp_tag_pre(DECL_ARGS)
                   2233: {
                   2234:
                   2235:        if (n->child != NULL &&
                   2236:            n->child->type == ROFFT_TEXT &&
                   2237:            n->prev == NULL &&
                   2238:            (n->parent->tok == MDOC_It ||
                   2239:             (n->parent->tok == MDOC_Xo &&
                   2240:              n->parent->parent->prev == NULL &&
1.324     schwarze 2241:              n->parent->parent->parent->tok == MDOC_It)))
                   2242:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2243:        return 1;
1.84      kristaps 2244: }

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