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Annotation of mandoc/mdoc_term.c, Revision 1.326

1.326   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.325 2015/09/14 12:57:47 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:        }
1.317     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);
1.260     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);
1.54      kristaps  616:                return(1);
                    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:                /* FALLTHROUGH */
                    629:        case LIST_dash:
                    630:                /* FALLTHROUGH */
                    631:        case LIST_hyphen:
                    632:                /* FALLTHROUGH */
                    633:        case LIST_enum:
                    634:                width = term_len(p, 2);
                    635:                break;
                    636:        case LIST_hang:
                    637:                width = term_len(p, 8);
                    638:                break;
                    639:        case LIST_column:
                    640:                /* FALLTHROUGH */
                    641:        case LIST_tag:
                    642:                width = term_len(p, 10);
                    643:                break;
                    644:        default:
                    645:                width = 0;
                    646:                break;
                    647:        }
                    648:        offset = 0;
                    649:
                    650:        /*
1.108     kristaps  651:         * First calculate width and offset.  This is pretty easy unless
                    652:         * we're a -column list, in which case all prior columns must
                    653:         * be accounted for.
                    654:         */
                    655:
1.302     schwarze  656:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  657:                offset = a2width(p, bl->norm->Bl.offs);
1.302     schwarze  658:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    659:                        offset = -p->offset;
                    660:                else if (offset > SHRT_MAX)
                    661:                        offset = 0;
                    662:        }
1.152     kristaps  663:
1.1       kristaps  664:        switch (type) {
1.264     schwarze  665:        case LIST_column:
1.314     schwarze  666:                if (n->type == ROFFT_HEAD)
1.1       kristaps  667:                        break;
1.155     kristaps  668:
1.105     kristaps  669:                /*
1.108     kristaps  670:                 * Imitate groff's column handling:
                    671:                 * - For each earlier column, add its width.
                    672:                 * - For less than 5 columns, add four more blanks per
                    673:                 *   column.
                    674:                 * - For exactly 5 columns, add three more blank per
                    675:                 *   column.
                    676:                 * - For more than 5 columns, add only one column.
1.105     kristaps  677:                 */
1.202     kristaps  678:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  679:                dcol = ncols < 5 ? term_len(p, 4) :
                    680:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  681:
1.134     kristaps  682:                /*
1.314     schwarze  683:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    684:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134     kristaps  685:                 */
                    686:
1.264     schwarze  687:                for (i = 0, nn = n->prev;
                    688:                    nn->prev && i < (int)ncols;
                    689:                    nn = nn->prev, i++)
                    690:                        offset += dcol + a2width(p,
                    691:                            bl->norm->Bl.cols[i]);
1.105     kristaps  692:
                    693:                /*
1.108     kristaps  694:                 * When exceeding the declared number of columns, leave
                    695:                 * the remaining widths at 0.  This will later be
                    696:                 * adjusted to the default width of 10, or, for the last
                    697:                 * column, stretched to the right margin.
1.58      kristaps  698:                 */
1.108     kristaps  699:                if (i >= (int)ncols)
                    700:                        break;
1.58      kristaps  701:
1.105     kristaps  702:                /*
1.108     kristaps  703:                 * Use the declared column widths, extended as explained
                    704:                 * in the preceding paragraph.
1.105     kristaps  705:                 */
1.202     kristaps  706:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  707:                break;
                    708:        default:
1.202     kristaps  709:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  710:                        break;
                    711:
1.264     schwarze  712:                /*
1.108     kristaps  713:                 * Note: buffer the width by 2, which is groff's magic
                    714:                 * number for buffering single arguments.  See the above
                    715:                 * handling for column for how this changes.
                    716:                 */
1.202     kristaps  717:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302     schwarze  718:                if (width < 0 && (size_t)(-width) > p->offset)
                    719:                        width = -p->offset;
                    720:                else if (width > SHRT_MAX)
                    721:                        width = 0;
1.1       kristaps  722:                break;
                    723:        }
                    724:
1.264     schwarze  725:        /*
1.17      kristaps  726:         * Whitespace control.  Inset bodies need an initial space,
                    727:         * while diagonal bodies need two.
1.1       kristaps  728:         */
                    729:
1.51      kristaps  730:        p->flags |= TERMP_NOSPACE;
                    731:
1.1       kristaps  732:        switch (type) {
1.264     schwarze  733:        case LIST_diag:
1.314     schwarze  734:                if (n->type == ROFFT_BODY)
1.62      kristaps  735:                        term_word(p, "\\ \\ ");
1.51      kristaps  736:                break;
1.264     schwarze  737:        case LIST_inset:
1.314     schwarze  738:                if (n->type == ROFFT_BODY && n->parent->head->nchild)
1.51      kristaps  739:                        term_word(p, "\\ ");
1.1       kristaps  740:                break;
                    741:        default:
                    742:                break;
                    743:        }
                    744:
1.51      kristaps  745:        p->flags |= TERMP_NOSPACE;
                    746:
1.1       kristaps  747:        switch (type) {
1.264     schwarze  748:        case LIST_diag:
1.314     schwarze  749:                if (n->type == ROFFT_HEAD)
1.102     kristaps  750:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  751:                break;
                    752:        default:
                    753:                break;
                    754:        }
                    755:
                    756:        /*
1.109     kristaps  757:         * Pad and break control.  This is the tricky part.  These flags
                    758:         * are documented in term_flushln() in term.c.  Note that we're
                    759:         * going to unset all of these flags in termp_it_post() when we
                    760:         * exit.
1.1       kristaps  761:         */
                    762:
                    763:        switch (type) {
1.264     schwarze  764:        case LIST_enum:
1.242     schwarze  765:                /*
                    766:                 * Weird special case.
1.302     schwarze  767:                 * Some very narrow lists actually hang.
1.242     schwarze  768:                 */
                    769:                /* FALLTHROUGH */
1.264     schwarze  770:        case LIST_bullet:
1.1       kristaps  771:                /* FALLTHROUGH */
1.264     schwarze  772:        case LIST_dash:
1.1       kristaps  773:                /* FALLTHROUGH */
1.264     schwarze  774:        case LIST_hyphen:
1.302     schwarze  775:                if (width <= (int)term_len(p, 2))
                    776:                        p->flags |= TERMP_HANG;
1.314     schwarze  777:                if (n->type != ROFFT_HEAD)
1.250     schwarze  778:                        break;
                    779:                p->flags |= TERMP_NOBREAK;
                    780:                p->trailspace = 1;
1.39      kristaps  781:                break;
1.264     schwarze  782:        case LIST_hang:
1.314     schwarze  783:                if (n->type != ROFFT_HEAD)
1.59      kristaps  784:                        break;
                    785:
                    786:                /*
                    787:                 * This is ugly.  If `-hang' is specified and the body
                    788:                 * is a `Bl' or `Bd', then we want basically to nullify
                    789:                 * the "overstep" effect in term_flushln() and treat
                    790:                 * this as a `-ohang' list instead.
                    791:                 */
1.279     schwarze  792:                if (NULL != n->next &&
1.278     schwarze  793:                    NULL != n->next->child &&
                    794:                    (MDOC_Bl == n->next->child->tok ||
                    795:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  796:                        break;
                    797:
1.263     schwarze  798:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  799:                p->trailspace = 1;
1.39      kristaps  800:                break;
1.264     schwarze  801:        case LIST_tag:
1.314     schwarze  802:                if (n->type != ROFFT_HEAD)
1.39      kristaps  803:                        break;
1.250     schwarze  804:
1.326   ! schwarze  805:                p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250     schwarze  806:                p->trailspace = 2;
                    807:
1.86      kristaps  808:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  809:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  810:                break;
1.264     schwarze  811:        case LIST_column:
1.314     schwarze  812:                if (n->type == ROFFT_HEAD)
1.134     kristaps  813:                        break;
                    814:
1.250     schwarze  815:                if (NULL == n->next) {
1.134     kristaps  816:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  817:                        p->trailspace = 0;
                    818:                } else {
1.134     kristaps  819:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  820:                        p->trailspace = 1;
                    821:                }
1.134     kristaps  822:
1.1       kristaps  823:                break;
1.264     schwarze  824:        case LIST_diag:
1.314     schwarze  825:                if (n->type != ROFFT_HEAD)
1.250     schwarze  826:                        break;
1.263     schwarze  827:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  828:                p->trailspace = 1;
1.1       kristaps  829:                break;
                    830:        default:
                    831:                break;
                    832:        }
                    833:
1.264     schwarze  834:        /*
1.1       kristaps  835:         * Margin control.  Set-head-width lists have their right
                    836:         * margins shortened.  The body for these lists has the offset
                    837:         * necessarily lengthened.  Everybody gets the offset.
                    838:         */
                    839:
                    840:        p->offset += offset;
                    841:
                    842:        switch (type) {
1.264     schwarze  843:        case LIST_hang:
1.59      kristaps  844:                /*
                    845:                 * Same stipulation as above, regarding `-hang'.  We
                    846:                 * don't want to recalculate rmargin and offsets when
                    847:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    848:                 */
1.314     schwarze  849:                if (n->type == ROFFT_HEAD &&
1.279     schwarze  850:                    NULL != n->next &&
1.278     schwarze  851:                    NULL != n->next->child &&
                    852:                    (MDOC_Bl == n->next->child->tok ||
                    853:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  854:                        break;
                    855:                /* FALLTHROUGH */
1.264     schwarze  856:        case LIST_bullet:
1.1       kristaps  857:                /* FALLTHROUGH */
1.264     schwarze  858:        case LIST_dash:
1.1       kristaps  859:                /* FALLTHROUGH */
1.264     schwarze  860:        case LIST_enum:
1.1       kristaps  861:                /* FALLTHROUGH */
1.264     schwarze  862:        case LIST_hyphen:
1.1       kristaps  863:                /* FALLTHROUGH */
1.264     schwarze  864:        case LIST_tag:
1.314     schwarze  865:                if (n->type == ROFFT_HEAD)
1.1       kristaps  866:                        p->rmargin = p->offset + width;
1.292     schwarze  867:                else
1.1       kristaps  868:                        p->offset += width;
                    869:                break;
1.264     schwarze  870:        case LIST_column:
1.49      kristaps  871:                assert(width);
1.1       kristaps  872:                p->rmargin = p->offset + width;
1.264     schwarze  873:                /*
1.50      kristaps  874:                 * XXX - this behaviour is not documented: the
                    875:                 * right-most column is filled to the right margin.
                    876:                 */
1.314     schwarze  877:                if (n->type == ROFFT_HEAD)
1.134     kristaps  878:                        break;
                    879:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  880:                        p->rmargin = p->maxrmargin;
1.1       kristaps  881:                break;
                    882:        default:
                    883:                break;
                    884:        }
                    885:
1.264     schwarze  886:        /*
1.1       kristaps  887:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  888:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  889:         */
                    890:
1.314     schwarze  891:        if (n->type == ROFFT_HEAD)
1.1       kristaps  892:                switch (type) {
1.264     schwarze  893:                case LIST_bullet:
1.102     kristaps  894:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  895:                        term_word(p, "\\[bu]");
1.102     kristaps  896:                        term_fontpop(p);
1.1       kristaps  897:                        break;
1.264     schwarze  898:                case LIST_dash:
1.1       kristaps  899:                        /* FALLTHROUGH */
1.264     schwarze  900:                case LIST_hyphen:
1.102     kristaps  901:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  902:                        term_word(p, "\\(hy");
1.102     kristaps  903:                        term_fontpop(p);
1.1       kristaps  904:                        break;
1.264     schwarze  905:                case LIST_enum:
1.1       kristaps  906:                        (pair->ppair->ppair->count)++;
1.265     schwarze  907:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  908:                            pair->ppair->ppair->count);
1.1       kristaps  909:                        term_word(p, buf);
                    910:                        break;
                    911:                default:
                    912:                        break;
                    913:                }
                    914:
1.264     schwarze  915:        /*
1.1       kristaps  916:         * If we're not going to process our children, indicate so here.
                    917:         */
                    918:
                    919:        switch (type) {
1.264     schwarze  920:        case LIST_bullet:
1.1       kristaps  921:                /* FALLTHROUGH */
1.264     schwarze  922:        case LIST_item:
1.1       kristaps  923:                /* FALLTHROUGH */
1.264     schwarze  924:        case LIST_dash:
1.1       kristaps  925:                /* FALLTHROUGH */
1.264     schwarze  926:        case LIST_hyphen:
1.1       kristaps  927:                /* FALLTHROUGH */
1.264     schwarze  928:        case LIST_enum:
1.314     schwarze  929:                if (n->type == ROFFT_HEAD)
1.1       kristaps  930:                        return(0);
                    931:                break;
1.264     schwarze  932:        case LIST_column:
1.314     schwarze  933:                if (n->type == ROFFT_HEAD)
1.1       kristaps  934:                        return(0);
                    935:                break;
                    936:        default:
                    937:                break;
                    938:        }
                    939:
                    940:        return(1);
                    941: }
                    942:
                    943: static void
                    944: termp_it_post(DECL_ARGS)
                    945: {
1.126     kristaps  946:        enum mdoc_list     type;
1.1       kristaps  947:
1.314     schwarze  948:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  949:                return;
                    950:
1.202     kristaps  951:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  952:
                    953:        switch (type) {
1.264     schwarze  954:        case LIST_item:
1.1       kristaps  955:                /* FALLTHROUGH */
1.264     schwarze  956:        case LIST_diag:
1.53      kristaps  957:                /* FALLTHROUGH */
1.264     schwarze  958:        case LIST_inset:
1.314     schwarze  959:                if (n->type == ROFFT_BODY)
1.130     schwarze  960:                        term_newln(p);
1.1       kristaps  961:                break;
1.264     schwarze  962:        case LIST_column:
1.314     schwarze  963:                if (n->type == ROFFT_BODY)
1.1       kristaps  964:                        term_flushln(p);
                    965:                break;
                    966:        default:
1.130     schwarze  967:                term_newln(p);
1.1       kristaps  968:                break;
                    969:        }
                    970:
1.264     schwarze  971:        /*
1.109     kristaps  972:         * Now that our output is flushed, we can reset our tags.  Since
                    973:         * only `It' sets these flags, we're free to assume that nobody
                    974:         * has munged them in the meanwhile.
                    975:         */
                    976:
1.326   ! schwarze  977:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263     schwarze  978:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  979:        p->trailspace = 0;
1.1       kristaps  980: }
                    981:
                    982: static int
                    983: termp_nm_pre(DECL_ARGS)
                    984: {
1.296     schwarze  985:        const char      *cp;
1.1       kristaps  986:
1.314     schwarze  987:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze  988:                p->flags |= TERMP_PREKEEP;
1.164     schwarze  989:                return(1);
1.253     schwarze  990:        }
1.164     schwarze  991:
1.314     schwarze  992:        if (n->type == ROFFT_BODY) {
1.164     schwarze  993:                if (NULL == n->child)
                    994:                        return(0);
1.234     schwarze  995:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  996:                cp = NULL;
                    997:                if (n->prev->child != NULL)
                    998:                    cp = n->prev->child->string;
                    999:                if (cp == NULL)
                   1000:                        cp = meta->name;
                   1001:                if (cp == NULL)
                   1002:                        p->offset += term_len(p, 6);
                   1003:                else
                   1004:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.164     schwarze 1005:                return(1);
                   1006:        }
                   1007:
1.245     schwarze 1008:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1009:                return(0);
1.125     kristaps 1010:
1.314     schwarze 1011:        if (n->type == ROFFT_HEAD)
1.177     schwarze 1012:                synopsis_pre(p, n->parent);
1.102     kristaps 1013:
1.314     schwarze 1014:        if (n->type == ROFFT_HEAD &&
1.278     schwarze 1015:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1016:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1017:                p->trailspace = 1;
1.185     schwarze 1018:                p->rmargin = p->offset + term_len(p, 1);
                   1019:                if (NULL == n->child) {
1.245     schwarze 1020:                        p->rmargin += term_strlen(p, meta->name);
1.314     schwarze 1021:                } else if (n->child->type == ROFFT_TEXT) {
1.185     schwarze 1022:                        p->rmargin += term_strlen(p, n->child->string);
                   1023:                        if (n->child->next)
                   1024:                                p->flags |= TERMP_HANG;
                   1025:                } else {
                   1026:                        p->rmargin += term_len(p, 5);
                   1027:                        p->flags |= TERMP_HANG;
                   1028:                }
1.164     schwarze 1029:        }
                   1030:
1.102     kristaps 1031:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1032:        if (NULL == n->child)
1.245     schwarze 1033:                term_word(p, meta->name);
1.1       kristaps 1034:        return(1);
                   1035: }
                   1036:
1.164     schwarze 1037: static void
                   1038: termp_nm_post(DECL_ARGS)
                   1039: {
                   1040:
1.314     schwarze 1041:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze 1042:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314     schwarze 1043:        } else if (n->type == ROFFT_HEAD &&
1.278     schwarze 1044:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1045:                term_flushln(p);
1.263     schwarze 1046:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1047:                p->trailspace = 0;
1.314     schwarze 1048:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164     schwarze 1049:                term_flushln(p);
                   1050: }
                   1051:
1.1       kristaps 1052: static int
                   1053: termp_fl_pre(DECL_ARGS)
                   1054: {
                   1055:
1.320     schwarze 1056:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1057:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1058:        term_word(p, "\\-");
1.103     kristaps 1059:
1.280     schwarze 1060:        if ( ! (n->nchild == 0 &&
                   1061:            (n->next == NULL ||
1.314     schwarze 1062:             n->next->type == ROFFT_TEXT ||
1.280     schwarze 1063:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1064:                p->flags |= TERMP_NOSPACE;
                   1065:
1.1       kristaps 1066:        return(1);
                   1067: }
                   1068:
                   1069: static int
1.184     kristaps 1070: termp__a_pre(DECL_ARGS)
                   1071: {
                   1072:
                   1073:        if (n->prev && MDOC__A == n->prev->tok)
                   1074:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1075:                        term_word(p, "and");
                   1076:
                   1077:        return(1);
                   1078: }
                   1079:
                   1080: static int
1.61      kristaps 1081: termp_an_pre(DECL_ARGS)
                   1082: {
                   1083:
1.282     schwarze 1084:        if (n->norm->An.auth == AUTH_split) {
                   1085:                p->flags &= ~TERMP_NOSPLIT;
                   1086:                p->flags |= TERMP_SPLIT;
                   1087:                return(0);
                   1088:        }
                   1089:        if (n->norm->An.auth == AUTH_nosplit) {
                   1090:                p->flags &= ~TERMP_SPLIT;
                   1091:                p->flags |= TERMP_NOSPLIT;
                   1092:                return(0);
                   1093:        }
1.264     schwarze 1094:
1.282     schwarze 1095:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1096:                term_newln(p);
                   1097:
1.282     schwarze 1098:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1099:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1100:
                   1101:        return(1);
                   1102: }
                   1103:
                   1104: static int
1.1       kristaps 1105: termp_ns_pre(DECL_ARGS)
                   1106: {
                   1107:
1.215     kristaps 1108:        if ( ! (MDOC_LINE & n->flags))
                   1109:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1110:        return(1);
                   1111: }
                   1112:
                   1113: static int
                   1114: termp_rs_pre(DECL_ARGS)
                   1115: {
                   1116:
1.86      kristaps 1117:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1118:                return(1);
1.314     schwarze 1119:        if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1       kristaps 1120:                term_vspace(p);
                   1121:        return(1);
                   1122: }
                   1123:
                   1124: static int
                   1125: termp_rv_pre(DECL_ARGS)
                   1126: {
1.223     kristaps 1127:        int              nchild;
1.1       kristaps 1128:
                   1129:        term_newln(p);
                   1130:
1.223     kristaps 1131:        nchild = n->nchild;
1.273     schwarze 1132:        if (nchild > 0) {
                   1133:                term_word(p, "The");
1.224     kristaps 1134:
1.273     schwarze 1135:                for (n = n->child; n; n = n->next) {
                   1136:                        term_fontpush(p, TERMFONT_BOLD);
                   1137:                        term_word(p, n->string);
                   1138:                        term_fontpop(p);
1.223     kristaps 1139:
                   1140:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1141:                        term_word(p, "()");
                   1142:
                   1143:                        if (n->next == NULL)
                   1144:                                continue;
                   1145:
                   1146:                        if (nchild > 2) {
                   1147:                                p->flags |= TERMP_NOSPACE;
                   1148:                                term_word(p, ",");
                   1149:                        }
                   1150:                        if (n->next->next == NULL)
                   1151:                                term_word(p, "and");
1.223     kristaps 1152:                }
                   1153:
1.273     schwarze 1154:                if (nchild > 1)
                   1155:                        term_word(p, "functions return");
                   1156:                else
                   1157:                        term_word(p, "function returns");
                   1158:
                   1159:                term_word(p, "the value\\~0 if successful;");
                   1160:        } else
                   1161:                term_word(p, "Upon successful completion,"
                   1162:                    " the value\\~0 is returned;");
1.1       kristaps 1163:
1.273     schwarze 1164:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1165:            " and the global variable");
1.1       kristaps 1166:
1.102     kristaps 1167:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1168:        term_word(p, "errno");
1.102     kristaps 1169:        term_fontpop(p);
1.1       kristaps 1170:
1.264     schwarze 1171:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1172:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1173:
1.68      kristaps 1174:        return(0);
1.1       kristaps 1175: }
                   1176:
                   1177: static int
                   1178: termp_ex_pre(DECL_ARGS)
                   1179: {
1.224     kristaps 1180:        int              nchild;
1.1       kristaps 1181:
1.224     kristaps 1182:        term_newln(p);
1.68      kristaps 1183:        term_word(p, "The");
1.1       kristaps 1184:
1.224     kristaps 1185:        nchild = n->nchild;
                   1186:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1187:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1188:                term_word(p, n->string);
1.102     kristaps 1189:                term_fontpop(p);
1.224     kristaps 1190:
                   1191:                if (nchild > 2 && n->next) {
                   1192:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1193:                        term_word(p, ",");
1.224     kristaps 1194:                }
                   1195:
                   1196:                if (n->next && NULL == n->next->next)
                   1197:                        term_word(p, "and");
1.68      kristaps 1198:        }
                   1199:
1.224     kristaps 1200:        if (nchild > 1)
1.273     schwarze 1201:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1202:        else
1.273     schwarze 1203:                term_word(p, "utility exits\\~0");
1.68      kristaps 1204:
1.273     schwarze 1205:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1206:
1.131     kristaps 1207:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1208:        return(0);
1.1       kristaps 1209: }
                   1210:
                   1211: static int
                   1212: termp_nd_pre(DECL_ARGS)
                   1213: {
1.25      kristaps 1214:
1.314     schwarze 1215:        if (n->type == ROFFT_BODY)
1.297     schwarze 1216:                term_word(p, "\\(en");
1.1       kristaps 1217:        return(1);
1.115     kristaps 1218: }
                   1219:
                   1220: static int
                   1221: termp_bl_pre(DECL_ARGS)
                   1222: {
                   1223:
1.314     schwarze 1224:        return(n->type != ROFFT_HEAD);
1.1       kristaps 1225: }
                   1226:
                   1227: static void
                   1228: termp_bl_post(DECL_ARGS)
                   1229: {
                   1230:
1.314     schwarze 1231:        if (n->type == ROFFT_BLOCK)
1.1       kristaps 1232:                term_newln(p);
                   1233: }
                   1234:
                   1235: static int
                   1236: termp_xr_pre(DECL_ARGS)
                   1237: {
                   1238:
1.225     kristaps 1239:        if (NULL == (n = n->child))
1.113     kristaps 1240:                return(0);
                   1241:
1.314     schwarze 1242:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1243:        term_word(p, n->string);
1.11      kristaps 1244:
1.264     schwarze 1245:        if (NULL == (n = n->next))
1.1       kristaps 1246:                return(0);
1.225     kristaps 1247:
1.1       kristaps 1248:        p->flags |= TERMP_NOSPACE;
                   1249:        term_word(p, "(");
1.222     kristaps 1250:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1251:
1.314     schwarze 1252:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1253:        term_word(p, n->string);
                   1254:
1.222     kristaps 1255:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1256:        term_word(p, ")");
1.86      kristaps 1257:
1.1       kristaps 1258:        return(0);
                   1259: }
                   1260:
1.143     kristaps 1261: /*
                   1262:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1263:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1264:  * macro combos).
                   1265:  */
                   1266: static void
1.315     schwarze 1267: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143     kristaps 1268: {
1.264     schwarze 1269:        /*
1.143     kristaps 1270:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1271:         * exist, do nothing.
                   1272:         */
1.160     kristaps 1273:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1274:                return;
                   1275:
                   1276:        /*
                   1277:         * If we're the second in a pair of like elements, emit our
                   1278:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1279:         * case we soldier on.
                   1280:         */
1.264     schwarze 1281:        if (n->prev->tok == n->tok &&
                   1282:            MDOC_Ft != n->tok &&
                   1283:            MDOC_Fo != n->tok &&
                   1284:            MDOC_Fn != n->tok) {
1.143     kristaps 1285:                term_newln(p);
                   1286:                return;
                   1287:        }
                   1288:
                   1289:        /*
                   1290:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1291:         * another (or Fn/Fo, which we've let slip through) then assert
                   1292:         * vertical space, else only newline and move on.
                   1293:         */
                   1294:        switch (n->prev->tok) {
1.264     schwarze 1295:        case MDOC_Fd:
1.143     kristaps 1296:                /* FALLTHROUGH */
1.264     schwarze 1297:        case MDOC_Fn:
1.143     kristaps 1298:                /* FALLTHROUGH */
1.264     schwarze 1299:        case MDOC_Fo:
1.143     kristaps 1300:                /* FALLTHROUGH */
1.264     schwarze 1301:        case MDOC_In:
1.143     kristaps 1302:                /* FALLTHROUGH */
1.264     schwarze 1303:        case MDOC_Vt:
1.143     kristaps 1304:                term_vspace(p);
                   1305:                break;
1.264     schwarze 1306:        case MDOC_Ft:
1.143     kristaps 1307:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1308:                        term_vspace(p);
                   1309:                        break;
                   1310:                }
                   1311:                /* FALLTHROUGH */
                   1312:        default:
                   1313:                term_newln(p);
                   1314:                break;
                   1315:        }
                   1316: }
                   1317:
1.110     kristaps 1318: static int
                   1319: termp_vt_pre(DECL_ARGS)
                   1320: {
                   1321:
1.314     schwarze 1322:        if (n->type == ROFFT_ELEM) {
1.143     kristaps 1323:                synopsis_pre(p, n);
1.245     schwarze 1324:                return(termp_under_pre(p, pair, meta, n));
1.314     schwarze 1325:        } else if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1326:                synopsis_pre(p, n);
                   1327:                return(1);
1.314     schwarze 1328:        } else if (n->type == ROFFT_HEAD)
1.110     kristaps 1329:                return(0);
                   1330:
1.245     schwarze 1331:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1332: }
                   1333:
1.1       kristaps 1334: static int
1.69      kristaps 1335: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1336: {
                   1337:
1.320     schwarze 1338:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1339:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1340:        return(1);
                   1341: }
                   1342:
1.143     kristaps 1343: static int
                   1344: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1345: {
                   1346:
1.143     kristaps 1347:        synopsis_pre(p, n);
1.245     schwarze 1348:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1349: }
                   1350:
1.241     schwarze 1351: static void
                   1352: termp_fd_post(DECL_ARGS)
                   1353: {
                   1354:
                   1355:        term_newln(p);
                   1356: }
                   1357:
1.1       kristaps 1358: static int
                   1359: termp_sh_pre(DECL_ARGS)
                   1360: {
1.85      kristaps 1361:
1.86      kristaps 1362:        switch (n->type) {
1.314     schwarze 1363:        case ROFFT_BLOCK:
1.293     schwarze 1364:                /*
                   1365:                 * Vertical space before sections, except
                   1366:                 * when the previous section was empty.
                   1367:                 */
                   1368:                if (n->prev == NULL ||
1.322     schwarze 1369:                    n->prev->tok != MDOC_Sh ||
1.293     schwarze 1370:                    (n->prev->body != NULL &&
                   1371:                     n->prev->body->child != NULL))
                   1372:                        term_vspace(p);
1.65      kristaps 1373:                break;
1.314     schwarze 1374:        case ROFFT_HEAD:
1.102     kristaps 1375:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1376:                break;
1.314     schwarze 1377:        case ROFFT_BODY:
1.238     schwarze 1378:                p->offset = term_len(p, p->defindent);
1.322     schwarze 1379:                switch (n->sec) {
                   1380:                case SEC_DESCRIPTION:
                   1381:                        fn_prio = 0;
                   1382:                        break;
                   1383:                case SEC_AUTHORS:
1.239     schwarze 1384:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322     schwarze 1385:                        break;
                   1386:                default:
                   1387:                        break;
                   1388:                }
1.1       kristaps 1389:                break;
                   1390:        default:
                   1391:                break;
                   1392:        }
                   1393:        return(1);
                   1394: }
                   1395:
                   1396: static void
                   1397: termp_sh_post(DECL_ARGS)
                   1398: {
                   1399:
1.86      kristaps 1400:        switch (n->type) {
1.314     schwarze 1401:        case ROFFT_HEAD:
1.1       kristaps 1402:                term_newln(p);
                   1403:                break;
1.314     schwarze 1404:        case ROFFT_BODY:
1.1       kristaps 1405:                term_newln(p);
                   1406:                p->offset = 0;
                   1407:                break;
                   1408:        default:
                   1409:                break;
                   1410:        }
                   1411: }
                   1412:
                   1413: static int
                   1414: termp_bt_pre(DECL_ARGS)
                   1415: {
                   1416:
                   1417:        term_word(p, "is currently in beta test.");
1.131     kristaps 1418:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1419:        return(0);
1.1       kristaps 1420: }
                   1421:
                   1422: static void
                   1423: termp_lb_post(DECL_ARGS)
                   1424: {
                   1425:
1.122     kristaps 1426:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1427:                term_newln(p);
1.1       kristaps 1428: }
                   1429:
                   1430: static int
                   1431: termp_ud_pre(DECL_ARGS)
                   1432: {
                   1433:
                   1434:        term_word(p, "currently under development.");
1.131     kristaps 1435:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1436:        return(0);
1.1       kristaps 1437: }
                   1438:
                   1439: static int
                   1440: termp_d1_pre(DECL_ARGS)
                   1441: {
                   1442:
1.314     schwarze 1443:        if (n->type != ROFFT_BLOCK)
1.1       kristaps 1444:                return(1);
                   1445:        term_newln(p);
1.238     schwarze 1446:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1447:        return(1);
                   1448: }
                   1449:
                   1450: static int
                   1451: termp_ft_pre(DECL_ARGS)
                   1452: {
                   1453:
1.141     kristaps 1454:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1455:        synopsis_pre(p, n);
1.102     kristaps 1456:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1457:        return(1);
                   1458: }
                   1459:
                   1460: static int
                   1461: termp_fn_pre(DECL_ARGS)
                   1462: {
1.257     schwarze 1463:        size_t           rmargin = 0;
1.226     kristaps 1464:        int              pretty;
                   1465:
                   1466:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1467:
1.143     kristaps 1468:        synopsis_pre(p, n);
1.139     kristaps 1469:
1.226     kristaps 1470:        if (NULL == (n = n->child))
                   1471:                return(0);
                   1472:
1.251     schwarze 1473:        if (pretty) {
                   1474:                rmargin = p->rmargin;
1.257     schwarze 1475:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1476:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1477:        }
                   1478:
1.314     schwarze 1479:        assert(n->type == ROFFT_TEXT);
1.102     kristaps 1480:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1481:        term_word(p, n->string);
1.102     kristaps 1482:        term_fontpop(p);
1.1       kristaps 1483:
1.324     schwarze 1484:        if (n->sec == SEC_DESCRIPTION)
                   1485:                tag_put(n->string, ++fn_prio, p->line);
1.322     schwarze 1486:
1.251     schwarze 1487:        if (pretty) {
                   1488:                term_flushln(p);
1.263     schwarze 1489:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1490:                p->offset = p->rmargin;
                   1491:                p->rmargin = rmargin;
                   1492:        }
                   1493:
1.1       kristaps 1494:        p->flags |= TERMP_NOSPACE;
                   1495:        term_word(p, "(");
1.222     kristaps 1496:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1497:
1.226     kristaps 1498:        for (n = n->next; n; n = n->next) {
1.314     schwarze 1499:                assert(n->type == ROFFT_TEXT);
1.102     kristaps 1500:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1501:                if (pretty)
                   1502:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1503:                term_word(p, n->string);
1.102     kristaps 1504:                term_fontpop(p);
                   1505:
1.226     kristaps 1506:                if (n->next) {
1.222     kristaps 1507:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1508:                        term_word(p, ",");
1.222     kristaps 1509:                }
1.1       kristaps 1510:        }
                   1511:
1.222     kristaps 1512:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1513:        term_word(p, ")");
                   1514:
1.226     kristaps 1515:        if (pretty) {
1.222     kristaps 1516:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1517:                term_word(p, ";");
1.251     schwarze 1518:                term_flushln(p);
1.222     kristaps 1519:        }
1.1       kristaps 1520:
                   1521:        return(0);
                   1522: }
                   1523:
                   1524: static int
                   1525: termp_fa_pre(DECL_ARGS)
                   1526: {
1.315     schwarze 1527:        const struct roff_node  *nn;
1.1       kristaps 1528:
1.86      kristaps 1529:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1530:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1531:                return(1);
                   1532:        }
                   1533:
1.86      kristaps 1534:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1535:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1536:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1537:                term_word(p, nn->string);
1.102     kristaps 1538:                term_fontpop(p);
                   1539:
1.256     schwarze 1540:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1541:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1542:                        term_word(p, ",");
1.222     kristaps 1543:                }
1.1       kristaps 1544:        }
                   1545:
                   1546:        return(0);
                   1547: }
                   1548:
                   1549: static int
                   1550: termp_bd_pre(DECL_ARGS)
                   1551: {
1.272     schwarze 1552:        size_t                   tabwidth, lm, len, rm, rmax;
1.315     schwarze 1553:        struct roff_node        *nn;
1.302     schwarze 1554:        int                      offset;
1.1       kristaps 1555:
1.314     schwarze 1556:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps 1557:                print_bvspace(p, n, n);
1.54      kristaps 1558:                return(1);
1.314     schwarze 1559:        } else if (n->type == ROFFT_HEAD)
1.116     kristaps 1560:                return(0);
1.1       kristaps 1561:
1.288     schwarze 1562:        /* Handle the -offset argument. */
                   1563:
                   1564:        if (n->norm->Bd.offs == NULL ||
                   1565:            ! strcmp(n->norm->Bd.offs, "left"))
                   1566:                /* nothing */;
                   1567:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1568:                p->offset += term_len(p, p->defindent + 1);
                   1569:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1570:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1571:        else {
                   1572:                offset = a2width(p, n->norm->Bd.offs);
                   1573:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1574:                        p->offset = 0;
                   1575:                else if (offset < SHRT_MAX)
                   1576:                        p->offset += offset;
                   1577:        }
1.85      kristaps 1578:
                   1579:        /*
                   1580:         * If -ragged or -filled are specified, the block does nothing
                   1581:         * but change the indentation.  If -unfilled or -literal are
                   1582:         * specified, text is printed exactly as entered in the display:
                   1583:         * for macro lines, a newline is appended to the line.  Blank
                   1584:         * lines are allowed.
                   1585:         */
1.264     schwarze 1586:
                   1587:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1588:            DISP_unfilled != n->norm->Bd.type &&
                   1589:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1590:                return(1);
                   1591:
1.129     schwarze 1592:        tabwidth = p->tabwidth;
1.208     kristaps 1593:        if (DISP_literal == n->norm->Bd.type)
                   1594:                p->tabwidth = term_len(p, 8);
                   1595:
1.272     schwarze 1596:        lm = p->offset;
1.119     kristaps 1597:        rm = p->rmargin;
                   1598:        rmax = p->maxrmargin;
1.120     kristaps 1599:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1600:
1.86      kristaps 1601:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1602:                if (DISP_centered == n->norm->Bd.type) {
1.314     schwarze 1603:                        if (nn->type == ROFFT_TEXT) {
1.272     schwarze 1604:                                len = term_strlen(p, nn->string);
                   1605:                                p->offset = len >= rm ? 0 :
                   1606:                                    lm + len >= rm ? rm - len :
                   1607:                                    (lm + rm - len) / 2;
                   1608:                        } else
                   1609:                                p->offset = lm;
                   1610:                }
1.245     schwarze 1611:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1612:                /*
                   1613:                 * If the printed node flushes its own line, then we
                   1614:                 * needn't do it here as well.  This is hacky, but the
                   1615:                 * notion of selective eoln whitespace is pretty dumb
                   1616:                 * anyway, so don't sweat it.
                   1617:                 */
                   1618:                switch (nn->tok) {
1.264     schwarze 1619:                case MDOC_Sm:
1.193     kristaps 1620:                        /* FALLTHROUGH */
1.264     schwarze 1621:                case MDOC_br:
1.190     kristaps 1622:                        /* FALLTHROUGH */
1.264     schwarze 1623:                case MDOC_sp:
1.190     kristaps 1624:                        /* FALLTHROUGH */
1.264     schwarze 1625:                case MDOC_Bl:
1.196     kristaps 1626:                        /* FALLTHROUGH */
1.264     schwarze 1627:                case MDOC_D1:
1.196     kristaps 1628:                        /* FALLTHROUGH */
1.264     schwarze 1629:                case MDOC_Dl:
1.190     kristaps 1630:                        /* FALLTHROUGH */
1.264     schwarze 1631:                case MDOC_Lp:
1.190     kristaps 1632:                        /* FALLTHROUGH */
1.264     schwarze 1633:                case MDOC_Pp:
1.190     kristaps 1634:                        continue;
                   1635:                default:
                   1636:                        break;
                   1637:                }
1.299     schwarze 1638:                if (p->flags & TERMP_NONEWLINE ||
                   1639:                    (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180     schwarze 1640:                        continue;
                   1641:                term_flushln(p);
                   1642:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1643:        }
1.147     kristaps 1644:
1.129     schwarze 1645:        p->tabwidth = tabwidth;
1.119     kristaps 1646:        p->rmargin = rm;
                   1647:        p->maxrmargin = rmax;
1.1       kristaps 1648:        return(0);
                   1649: }
                   1650:
                   1651: static void
                   1652: termp_bd_post(DECL_ARGS)
                   1653: {
1.119     kristaps 1654:        size_t           rm, rmax;
1.1       kristaps 1655:
1.314     schwarze 1656:        if (n->type != ROFFT_BODY)
1.1       kristaps 1657:                return;
1.118     kristaps 1658:
1.119     kristaps 1659:        rm = p->rmargin;
                   1660:        rmax = p->maxrmargin;
1.118     kristaps 1661:
1.264     schwarze 1662:        if (DISP_literal == n->norm->Bd.type ||
                   1663:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1664:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1665:
1.60      kristaps 1666:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1667:        term_newln(p);
1.118     kristaps 1668:
1.119     kristaps 1669:        p->rmargin = rm;
                   1670:        p->maxrmargin = rmax;
1.1       kristaps 1671: }
                   1672:
1.211     kristaps 1673: static int
                   1674: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1675: {
                   1676:
1.211     kristaps 1677:        if (NULL != (n = n->child)) {
                   1678:                term_word(p, n->string);
                   1679:                p->flags |= TERMP_NOSPACE;
                   1680:                term_word(p, "BSD");
                   1681:        } else {
                   1682:                term_word(p, "BSD");
                   1683:                return(0);
                   1684:        }
                   1685:
                   1686:        if (NULL != (n = n->next)) {
                   1687:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1688:                term_word(p, "-");
1.1       kristaps 1689:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1690:                term_word(p, n->string);
1.211     kristaps 1691:        }
                   1692:
                   1693:        return(0);
1.1       kristaps 1694: }
                   1695:
                   1696: static int
1.26      kristaps 1697: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1698: {
1.26      kristaps 1699:        const char      *pp;
1.218     schwarze 1700:        int              flags;
1.1       kristaps 1701:
1.26      kristaps 1702:        pp = NULL;
1.86      kristaps 1703:        switch (n->tok) {
1.264     schwarze 1704:        case MDOC_Bsx:
1.194     schwarze 1705:                pp = "BSD/OS";
1.26      kristaps 1706:                break;
1.264     schwarze 1707:        case MDOC_Dx:
1.100     kristaps 1708:                pp = "DragonFly";
1.26      kristaps 1709:                break;
1.264     schwarze 1710:        case MDOC_Fx:
1.26      kristaps 1711:                pp = "FreeBSD";
                   1712:                break;
1.264     schwarze 1713:        case MDOC_Nx:
1.26      kristaps 1714:                pp = "NetBSD";
                   1715:                break;
1.264     schwarze 1716:        case MDOC_Ox:
1.26      kristaps 1717:                pp = "OpenBSD";
                   1718:                break;
1.264     schwarze 1719:        case MDOC_Ux:
1.26      kristaps 1720:                pp = "UNIX";
                   1721:                break;
                   1722:        default:
1.246     schwarze 1723:                abort();
                   1724:                /* NOTREACHED */
1.26      kristaps 1725:        }
1.1       kristaps 1726:
1.26      kristaps 1727:        term_word(p, pp);
1.214     kristaps 1728:        if (n->child) {
1.218     schwarze 1729:                flags = p->flags;
1.214     kristaps 1730:                p->flags |= TERMP_KEEP;
                   1731:                term_word(p, n->child->string);
1.218     schwarze 1732:                p->flags = flags;
1.214     kristaps 1733:        }
                   1734:        return(0);
1.1       kristaps 1735: }
                   1736:
                   1737: static void
                   1738: termp_pf_post(DECL_ARGS)
                   1739: {
                   1740:
1.298     schwarze 1741:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1742:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1743: }
                   1744:
                   1745: static int
                   1746: termp_ss_pre(DECL_ARGS)
                   1747: {
                   1748:
1.86      kristaps 1749:        switch (n->type) {
1.314     schwarze 1750:        case ROFFT_BLOCK:
1.1       kristaps 1751:                term_newln(p);
1.86      kristaps 1752:                if (n->prev)
1.1       kristaps 1753:                        term_vspace(p);
                   1754:                break;
1.314     schwarze 1755:        case ROFFT_HEAD:
1.102     kristaps 1756:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1757:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1758:                break;
1.314     schwarze 1759:        case ROFFT_BODY:
1.274     schwarze 1760:                p->offset = term_len(p, p->defindent);
                   1761:                break;
1.1       kristaps 1762:        default:
                   1763:                break;
                   1764:        }
                   1765:
                   1766:        return(1);
                   1767: }
                   1768:
                   1769: static void
                   1770: termp_ss_post(DECL_ARGS)
                   1771: {
                   1772:
1.314     schwarze 1773:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1774:                term_newln(p);
                   1775: }
                   1776:
                   1777: static int
                   1778: termp_cd_pre(DECL_ARGS)
                   1779: {
                   1780:
1.143     kristaps 1781:        synopsis_pre(p, n);
1.102     kristaps 1782:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1783:        return(1);
                   1784: }
                   1785:
                   1786: static int
                   1787: termp_in_pre(DECL_ARGS)
                   1788: {
1.142     schwarze 1789:
1.143     kristaps 1790:        synopsis_pre(p, n);
1.1       kristaps 1791:
1.160     kristaps 1792:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1793:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1794:                term_word(p, "#include");
1.138     kristaps 1795:                term_word(p, "<");
                   1796:        } else {
                   1797:                term_word(p, "<");
                   1798:                term_fontpush(p, TERMFONT_UNDER);
                   1799:        }
1.22      kristaps 1800:
1.1       kristaps 1801:        p->flags |= TERMP_NOSPACE;
                   1802:        return(1);
                   1803: }
                   1804:
                   1805: static void
                   1806: termp_in_post(DECL_ARGS)
                   1807: {
                   1808:
1.160     kristaps 1809:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1810:                term_fontpush(p, TERMFONT_BOLD);
                   1811:
1.79      kristaps 1812:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1813:        term_word(p, ">");
                   1814:
1.160     kristaps 1815:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1816:                term_fontpop(p);
1.1       kristaps 1817: }
                   1818:
                   1819: static int
1.45      kristaps 1820: termp_sp_pre(DECL_ARGS)
                   1821: {
1.300     schwarze 1822:        struct roffsu    su;
1.312     schwarze 1823:        int              i, len;
1.45      kristaps 1824:
1.86      kristaps 1825:        switch (n->tok) {
1.264     schwarze 1826:        case MDOC_sp:
1.300     schwarze 1827:                if (n->child) {
                   1828:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1829:                                su.scale = 1.0;
                   1830:                        len = term_vspan(p, &su);
                   1831:                } else
                   1832:                        len = 1;
1.76      kristaps 1833:                break;
1.264     schwarze 1834:        case MDOC_br:
1.76      kristaps 1835:                len = 0;
                   1836:                break;
                   1837:        default:
                   1838:                len = 1;
1.322     schwarze 1839:                fn_prio = 0;
1.76      kristaps 1840:                break;
1.45      kristaps 1841:        }
                   1842:
                   1843:        if (0 == len)
                   1844:                term_newln(p);
1.312     schwarze 1845:        else if (len < 0)
                   1846:                p->skipvsp -= len;
                   1847:        else
                   1848:                for (i = 0; i < len; i++)
                   1849:                        term_vspace(p);
1.45      kristaps 1850:
                   1851:        return(0);
                   1852: }
                   1853:
                   1854: static int
1.294     schwarze 1855: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1856: {
                   1857:
                   1858:        return(0);
                   1859: }
                   1860:
                   1861: static int
1.188     kristaps 1862: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1863: {
                   1864:
1.314     schwarze 1865:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1866:                return(1);
                   1867:
1.188     kristaps 1868:        switch (n->tok) {
1.264     schwarze 1869:        case MDOC_Ao:
1.188     kristaps 1870:                /* FALLTHROUGH */
1.264     schwarze 1871:        case MDOC_Aq:
1.303     schwarze 1872:                term_word(p, n->nchild == 1 &&
                   1873:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1874:                break;
1.264     schwarze 1875:        case MDOC_Bro:
1.188     kristaps 1876:                /* FALLTHROUGH */
1.264     schwarze 1877:        case MDOC_Brq:
1.188     kristaps 1878:                term_word(p, "{");
                   1879:                break;
1.264     schwarze 1880:        case MDOC_Oo:
1.188     kristaps 1881:                /* FALLTHROUGH */
1.264     schwarze 1882:        case MDOC_Op:
1.188     kristaps 1883:                /* FALLTHROUGH */
1.264     schwarze 1884:        case MDOC_Bo:
1.188     kristaps 1885:                /* FALLTHROUGH */
1.264     schwarze 1886:        case MDOC_Bq:
1.188     kristaps 1887:                term_word(p, "[");
                   1888:                break;
1.264     schwarze 1889:        case MDOC_Do:
1.188     kristaps 1890:                /* FALLTHROUGH */
1.264     schwarze 1891:        case MDOC_Dq:
1.311     schwarze 1892:                term_word(p, "\\(Lq");
1.188     kristaps 1893:                break;
1.268     schwarze 1894:        case MDOC_En:
                   1895:                if (NULL == n->norm->Es ||
                   1896:                    NULL == n->norm->Es->child)
                   1897:                        return(1);
                   1898:                term_word(p, n->norm->Es->child->string);
                   1899:                break;
1.264     schwarze 1900:        case MDOC_Po:
1.188     kristaps 1901:                /* FALLTHROUGH */
1.264     schwarze 1902:        case MDOC_Pq:
1.188     kristaps 1903:                term_word(p, "(");
                   1904:                break;
1.264     schwarze 1905:        case MDOC__T:
1.205     kristaps 1906:                /* FALLTHROUGH */
1.264     schwarze 1907:        case MDOC_Qo:
1.188     kristaps 1908:                /* FALLTHROUGH */
1.264     schwarze 1909:        case MDOC_Qq:
1.188     kristaps 1910:                term_word(p, "\"");
                   1911:                break;
1.264     schwarze 1912:        case MDOC_Ql:
1.188     kristaps 1913:                /* FALLTHROUGH */
1.264     schwarze 1914:        case MDOC_So:
1.188     kristaps 1915:                /* FALLTHROUGH */
1.264     schwarze 1916:        case MDOC_Sq:
1.249     schwarze 1917:                term_word(p, "\\(oq");
1.188     kristaps 1918:                break;
                   1919:        default:
                   1920:                abort();
                   1921:                /* NOTREACHED */
                   1922:        }
1.1       kristaps 1923:
                   1924:        p->flags |= TERMP_NOSPACE;
                   1925:        return(1);
                   1926: }
                   1927:
                   1928: static void
1.188     kristaps 1929: termp_quote_post(DECL_ARGS)
1.1       kristaps 1930: {
                   1931:
1.314     schwarze 1932:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1933:                return;
                   1934:
1.306     schwarze 1935:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1936:
1.188     kristaps 1937:        switch (n->tok) {
1.264     schwarze 1938:        case MDOC_Ao:
1.188     kristaps 1939:                /* FALLTHROUGH */
1.264     schwarze 1940:        case MDOC_Aq:
1.303     schwarze 1941:                term_word(p, n->nchild == 1 &&
                   1942:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1943:                break;
1.264     schwarze 1944:        case MDOC_Bro:
1.188     kristaps 1945:                /* FALLTHROUGH */
1.264     schwarze 1946:        case MDOC_Brq:
1.188     kristaps 1947:                term_word(p, "}");
                   1948:                break;
1.264     schwarze 1949:        case MDOC_Oo:
1.188     kristaps 1950:                /* FALLTHROUGH */
1.264     schwarze 1951:        case MDOC_Op:
1.188     kristaps 1952:                /* FALLTHROUGH */
1.264     schwarze 1953:        case MDOC_Bo:
1.188     kristaps 1954:                /* FALLTHROUGH */
1.264     schwarze 1955:        case MDOC_Bq:
1.188     kristaps 1956:                term_word(p, "]");
                   1957:                break;
1.264     schwarze 1958:        case MDOC_Do:
1.188     kristaps 1959:                /* FALLTHROUGH */
1.264     schwarze 1960:        case MDOC_Dq:
1.311     schwarze 1961:                term_word(p, "\\(Rq");
1.268     schwarze 1962:                break;
                   1963:        case MDOC_En:
1.306     schwarze 1964:                if (n->norm->Es == NULL ||
                   1965:                    n->norm->Es->child == NULL ||
                   1966:                    n->norm->Es->child->next == NULL)
                   1967:                        p->flags &= ~TERMP_NOSPACE;
                   1968:                else
1.268     schwarze 1969:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1970:                break;
1.264     schwarze 1971:        case MDOC_Po:
1.188     kristaps 1972:                /* FALLTHROUGH */
1.264     schwarze 1973:        case MDOC_Pq:
1.188     kristaps 1974:                term_word(p, ")");
                   1975:                break;
1.264     schwarze 1976:        case MDOC__T:
1.205     kristaps 1977:                /* FALLTHROUGH */
1.264     schwarze 1978:        case MDOC_Qo:
1.188     kristaps 1979:                /* FALLTHROUGH */
1.264     schwarze 1980:        case MDOC_Qq:
1.188     kristaps 1981:                term_word(p, "\"");
                   1982:                break;
1.264     schwarze 1983:        case MDOC_Ql:
1.188     kristaps 1984:                /* FALLTHROUGH */
1.264     schwarze 1985:        case MDOC_So:
1.188     kristaps 1986:                /* FALLTHROUGH */
1.264     schwarze 1987:        case MDOC_Sq:
1.249     schwarze 1988:                term_word(p, "\\(cq");
1.188     kristaps 1989:                break;
                   1990:        default:
                   1991:                abort();
                   1992:                /* NOTREACHED */
                   1993:        }
1.306     schwarze 1994: }
                   1995:
                   1996: static int
                   1997: termp_eo_pre(DECL_ARGS)
                   1998: {
                   1999:
1.314     schwarze 2000:        if (n->type != ROFFT_BODY)
1.306     schwarze 2001:                return(1);
                   2002:
                   2003:        if (n->end == ENDBODY_NOT &&
                   2004:            n->parent->head->child == NULL &&
                   2005:            n->child != NULL &&
                   2006:            n->child->end != ENDBODY_NOT)
                   2007:                term_word(p, "\\&");
                   2008:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 2009:             n->parent->head->child != NULL && (n->child != NULL ||
                   2010:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 2011:                p->flags |= TERMP_NOSPACE;
                   2012:
                   2013:        return(1);
                   2014: }
                   2015:
                   2016: static void
                   2017: termp_eo_post(DECL_ARGS)
                   2018: {
                   2019:        int      body, tail;
                   2020:
1.314     schwarze 2021:        if (n->type != ROFFT_BODY)
1.306     schwarze 2022:                return;
                   2023:
                   2024:        if (n->end != ENDBODY_NOT) {
                   2025:                p->flags &= ~TERMP_NOSPACE;
                   2026:                return;
                   2027:        }
                   2028:
                   2029:        body = n->child != NULL || n->parent->head->child != NULL;
                   2030:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   2031:
                   2032:        if (body && tail)
                   2033:                p->flags |= TERMP_NOSPACE;
                   2034:        else if ( ! (body || tail))
                   2035:                term_word(p, "\\&");
                   2036:        else if ( ! tail)
                   2037:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2038: }
                   2039:
                   2040: static int
                   2041: termp_fo_pre(DECL_ARGS)
                   2042: {
1.257     schwarze 2043:        size_t           rmargin = 0;
1.256     schwarze 2044:        int              pretty;
                   2045:
                   2046:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2047:
1.314     schwarze 2048:        if (n->type == ROFFT_BLOCK) {
1.143     kristaps 2049:                synopsis_pre(p, n);
1.141     kristaps 2050:                return(1);
1.314     schwarze 2051:        } else if (n->type == ROFFT_BODY) {
1.256     schwarze 2052:                if (pretty) {
                   2053:                        rmargin = p->rmargin;
1.257     schwarze 2054:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2055:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2056:                                        TERMP_HANG;
1.256     schwarze 2057:                }
1.33      kristaps 2058:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2059:                term_word(p, "(");
1.222     kristaps 2060:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2061:                if (pretty) {
                   2062:                        term_flushln(p);
1.263     schwarze 2063:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2064:                                        TERMP_HANG);
1.256     schwarze 2065:                        p->offset = p->rmargin;
                   2066:                        p->rmargin = rmargin;
                   2067:                }
1.1       kristaps 2068:                return(1);
1.256     schwarze 2069:        }
1.141     kristaps 2070:
1.169     kristaps 2071:        if (NULL == n->child)
                   2072:                return(0);
                   2073:
1.141     kristaps 2074:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2075:
1.141     kristaps 2076:        assert(n->child->string);
1.102     kristaps 2077:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2078:        term_word(p, n->child->string);
1.1       kristaps 2079:        return(0);
                   2080: }
                   2081:
                   2082: static void
                   2083: termp_fo_post(DECL_ARGS)
                   2084: {
                   2085:
1.314     schwarze 2086:        if (n->type != ROFFT_BODY)
1.143     kristaps 2087:                return;
                   2088:
1.222     kristaps 2089:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2090:        term_word(p, ")");
                   2091:
1.222     kristaps 2092:        if (MDOC_SYNPRETTY & n->flags) {
                   2093:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2094:                term_word(p, ";");
1.256     schwarze 2095:                term_flushln(p);
1.222     kristaps 2096:        }
1.1       kristaps 2097: }
                   2098:
                   2099: static int
                   2100: termp_bf_pre(DECL_ARGS)
                   2101: {
                   2102:
1.314     schwarze 2103:        if (n->type == ROFFT_HEAD)
1.1       kristaps 2104:                return(0);
1.314     schwarze 2105:        else if (n->type != ROFFT_BODY)
1.1       kristaps 2106:                return(1);
                   2107:
1.264     schwarze 2108:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2109:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2110:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2111:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2112:        else
1.102     kristaps 2113:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2114:
                   2115:        return(1);
                   2116: }
                   2117:
                   2118: static int
                   2119: termp_sm_pre(DECL_ARGS)
                   2120: {
                   2121:
1.269     schwarze 2122:        if (NULL == n->child)
                   2123:                p->flags ^= TERMP_NONOSPACE;
                   2124:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2125:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2126:        else
1.1       kristaps 2127:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2128:
                   2129:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2130:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2131:
                   2132:        return(0);
                   2133: }
                   2134:
                   2135: static int
                   2136: termp_ap_pre(DECL_ARGS)
                   2137: {
                   2138:
                   2139:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2140:        term_word(p, "'");
1.1       kristaps 2141:        p->flags |= TERMP_NOSPACE;
                   2142:        return(1);
                   2143: }
                   2144:
                   2145: static void
                   2146: termp____post(DECL_ARGS)
                   2147: {
1.184     kristaps 2148:
                   2149:        /*
                   2150:         * Handle lists of authors.  In general, print each followed by
                   2151:         * a comma.  Don't print the comma if there are only two
                   2152:         * authors.
                   2153:         */
                   2154:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2155:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2156:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2157:                                return;
1.1       kristaps 2158:
1.95      kristaps 2159:        /* TODO: %U. */
                   2160:
1.187     kristaps 2161:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2162:                return;
                   2163:
1.222     kristaps 2164:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2165:        if (NULL == n->next) {
                   2166:                term_word(p, ".");
                   2167:                p->flags |= TERMP_SENTENCE;
                   2168:        } else
                   2169:                term_word(p, ",");
1.1       kristaps 2170: }
                   2171:
                   2172: static int
1.102     kristaps 2173: termp_li_pre(DECL_ARGS)
                   2174: {
                   2175:
                   2176:        term_fontpush(p, TERMFONT_NONE);
                   2177:        return(1);
                   2178: }
                   2179:
                   2180: static int
1.1       kristaps 2181: termp_lk_pre(DECL_ARGS)
                   2182: {
1.315     schwarze 2183:        const struct roff_node *link, *descr;
1.1       kristaps 2184:
1.240     schwarze 2185:        if (NULL == (link = n->child))
                   2186:                return(0);
1.181     kristaps 2187:
1.240     schwarze 2188:        if (NULL != (descr = link->next)) {
                   2189:                term_fontpush(p, TERMFONT_UNDER);
                   2190:                while (NULL != descr) {
                   2191:                        term_word(p, descr->string);
                   2192:                        descr = descr->next;
                   2193:                }
                   2194:                p->flags |= TERMP_NOSPACE;
                   2195:                term_word(p, ":");
                   2196:                term_fontpop(p);
                   2197:        }
1.1       kristaps 2198:
1.102     kristaps 2199:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2200:        term_word(p, link->string);
1.102     kristaps 2201:        term_fontpop(p);
1.12      kristaps 2202:
1.1       kristaps 2203:        return(0);
                   2204: }
                   2205:
1.159     schwarze 2206: static int
                   2207: termp_bk_pre(DECL_ARGS)
                   2208: {
                   2209:
1.161     schwarze 2210:        switch (n->type) {
1.314     schwarze 2211:        case ROFFT_BLOCK:
1.166     kristaps 2212:                break;
1.314     schwarze 2213:        case ROFFT_HEAD:
1.161     schwarze 2214:                return(0);
1.314     schwarze 2215:        case ROFFT_BODY:
1.200     schwarze 2216:                if (n->parent->args || 0 == n->prev->nchild)
                   2217:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2218:                break;
1.161     schwarze 2219:        default:
                   2220:                abort();
1.166     kristaps 2221:                /* NOTREACHED */
1.161     schwarze 2222:        }
1.166     kristaps 2223:
                   2224:        return(1);
1.159     schwarze 2225: }
                   2226:
                   2227: static void
                   2228: termp_bk_post(DECL_ARGS)
                   2229: {
                   2230:
1.314     schwarze 2231:        if (n->type == ROFFT_BODY)
1.161     schwarze 2232:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2233: }
                   2234:
                   2235: static void
                   2236: termp__t_post(DECL_ARGS)
                   2237: {
                   2238:
                   2239:        /*
                   2240:         * If we're in an `Rs' and there's a journal present, then quote
                   2241:         * us instead of underlining us (for disambiguation).
                   2242:         */
1.217     schwarze 2243:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2244:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2245:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2246:
1.245     schwarze 2247:        termp____post(p, pair, meta, n);
1.203     kristaps 2248: }
                   2249:
                   2250: static int
                   2251: termp__t_pre(DECL_ARGS)
                   2252: {
                   2253:
                   2254:        /*
                   2255:         * If we're in an `Rs' and there's a journal present, then quote
                   2256:         * us instead of underlining us (for disambiguation).
                   2257:         */
                   2258:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2259:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2260:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2261:
                   2262:        term_fontpush(p, TERMFONT_UNDER);
                   2263:        return(1);
1.159     schwarze 2264: }
1.1       kristaps 2265:
                   2266: static int
1.69      kristaps 2267: termp_under_pre(DECL_ARGS)
1.1       kristaps 2268: {
                   2269:
1.102     kristaps 2270:        term_fontpush(p, TERMFONT_UNDER);
1.323     schwarze 2271:        return(1);
                   2272: }
                   2273:
                   2274: static int
                   2275: termp_er_pre(DECL_ARGS)
                   2276: {
                   2277:
                   2278:        if (n->sec == SEC_ERRORS &&
                   2279:            (n->parent->tok == MDOC_It ||
                   2280:             (n->parent->tok == MDOC_Bq &&
1.324     schwarze 2281:              n->parent->parent->parent->tok == MDOC_It)))
                   2282:                tag_put(n->child->string, 1, p->line);
1.320     schwarze 2283:        return(1);
                   2284: }
                   2285:
                   2286: static int
                   2287: termp_tag_pre(DECL_ARGS)
                   2288: {
                   2289:
                   2290:        if (n->child != NULL &&
                   2291:            n->child->type == ROFFT_TEXT &&
                   2292:            n->prev == NULL &&
                   2293:            (n->parent->tok == MDOC_It ||
                   2294:             (n->parent->tok == MDOC_Xo &&
                   2295:              n->parent->parent->prev == NULL &&
1.324     schwarze 2296:              n->parent->parent->parent->tok == MDOC_It)))
                   2297:                tag_put(n->child->string, 1, p->line);
1.84      kristaps 2298:        return(1);
                   2299: }

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