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Annotation of mandoc/mdoc_term.c, Revision 1.297

1.297   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.296 2014/11/28 16:02:52 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.259     schwarze    4:  * Copyright (c) 2010, 2012, 2013, 2014 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:  *
1.6       kristaps   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     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>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.125     kristaps   30: #include "mandoc.h"
1.266     schwarze   31: #include "mandoc_aux.h"
1.92      kristaps   32: #include "out.h"
1.1       kristaps   33: #include "term.h"
                     34: #include "mdoc.h"
1.89      kristaps   35: #include "main.h"
1.1       kristaps   36:
                     37: struct termpair {
                     38:        struct termpair  *ppair;
1.31      kristaps   39:        int               count;
1.1       kristaps   40: };
                     41:
1.31      kristaps   42: #define        DECL_ARGS struct termp *p, \
                     43:                  struct termpair *pair, \
1.264     schwarze   44:                  const struct mdoc_meta *meta, \
1.244     schwarze   45:                  struct mdoc_node *n
1.1       kristaps   46:
                     47: struct termact {
                     48:        int     (*pre)(DECL_ARGS);
                     49:        void    (*post)(DECL_ARGS);
                     50: };
                     51:
1.157     kristaps   52: static size_t    a2width(const struct termp *, const char *);
                     53: static size_t    a2height(const struct termp *, const char *);
1.96      kristaps   54:
                     55: static void      print_bvspace(struct termp *,
1.151     kristaps   56:                        const struct mdoc_node *,
1.96      kristaps   57:                        const struct mdoc_node *);
1.264     schwarze   58: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   59: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   60: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   61: static void      print_mdoc_foot(struct termp *, const void *);
1.264     schwarze   62: static void      synopsis_pre(struct termp *,
1.143     kristaps   63:                        const struct mdoc_node *);
1.96      kristaps   64:
1.31      kristaps   65: static void      termp____post(DECL_ARGS);
1.203     kristaps   66: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   67: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   68: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   69: static void      termp_bl_post(DECL_ARGS);
1.241     schwarze   70: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   71: static void      termp_fo_post(DECL_ARGS);
                     72: static void      termp_in_post(DECL_ARGS);
                     73: static void      termp_it_post(DECL_ARGS);
                     74: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   75: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   76: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   77: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   78: static void      termp_sh_post(DECL_ARGS);
                     79: static void      termp_ss_post(DECL_ARGS);
                     80:
1.184     kristaps   81: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   82: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   83: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   84: static int       termp_ap_pre(DECL_ARGS);
                     85: static int       termp_bd_pre(DECL_ARGS);
                     86: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   87: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   88: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   89: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   90: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   91: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   92: static int       termp_cd_pre(DECL_ARGS);
                     93: static int       termp_d1_pre(DECL_ARGS);
                     94: static int       termp_ex_pre(DECL_ARGS);
                     95: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   96: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   97: static int       termp_fl_pre(DECL_ARGS);
                     98: static int       termp_fn_pre(DECL_ARGS);
                     99: static int       termp_fo_pre(DECL_ARGS);
                    100: static int       termp_ft_pre(DECL_ARGS);
                    101: static int       termp_in_pre(DECL_ARGS);
                    102: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  103: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  104: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  105: static int       termp_lk_pre(DECL_ARGS);
                    106: static int       termp_nd_pre(DECL_ARGS);
                    107: static int       termp_nm_pre(DECL_ARGS);
                    108: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  109: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  110: static int       termp_rs_pre(DECL_ARGS);
                    111: static int       termp_rv_pre(DECL_ARGS);
                    112: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  113: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  114: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  115: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  116: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  117: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  118: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  119: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_xr_pre(DECL_ARGS);
                    121: static int       termp_xx_pre(DECL_ARGS);
                    122:
1.70      kristaps  123: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  124:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  125:        { NULL, NULL }, /* Dd */
                    126:        { NULL, NULL }, /* Dt */
                    127:        { NULL, NULL }, /* Os */
                    128:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  129:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    130:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  131:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    132:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  133:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    134:        { NULL, NULL }, /* Ed */
1.115     kristaps  135:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  136:        { NULL, NULL }, /* El */
                    137:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  138:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  139:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  140:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  141:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  142:        { termp_bold_pre, NULL }, /* Cm */
1.264     schwarze  143:        { NULL, NULL }, /* Dv */
                    144:        { NULL, NULL }, /* Er */
                    145:        { NULL, NULL }, /* Ev */
1.1       kristaps  146:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  147:        { termp_fa_pre, NULL }, /* Fa */
                    148:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  149:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  150:        { termp_fn_pre, NULL }, /* Fn */
                    151:        { termp_ft_pre, NULL }, /* Ft */
                    152:        { termp_bold_pre, NULL }, /* Ic */
                    153:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  154:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  155:        { termp_nd_pre, NULL }, /* Nd */
                    156:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  157:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  158:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  159:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  160:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  161:        { NULL, NULL }, /* St */
1.69      kristaps  162:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  163:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  164:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  165:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  166:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  167:        { NULL, termp____post }, /* %D */
1.84      kristaps  168:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  169:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  170:        { NULL, termp____post }, /* %N */
                    171:        { NULL, termp____post }, /* %O */
                    172:        { NULL, termp____post }, /* %P */
                    173:        { NULL, termp____post }, /* %R */
1.203     kristaps  174:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  175:        { NULL, termp____post }, /* %V */
                    176:        { NULL, NULL }, /* Ac */
1.188     kristaps  177:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    178:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  179:        { NULL, NULL }, /* At */
1.1       kristaps  180:        { NULL, NULL }, /* Bc */
1.264     schwarze  181:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  182:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    183:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  184:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  185:        { termp_bx_pre, NULL }, /* Bx */
1.294     schwarze  186:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  187:        { NULL, NULL }, /* Dc */
1.188     kristaps  188:        { termp_quote_pre, termp_quote_post }, /* Do */
                    189:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  190:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  191:        { NULL, NULL }, /* Ef */
1.264     schwarze  192:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  193:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  194:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  195:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  196:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  197:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  198:        { termp_xx_pre, NULL }, /* Nx */
                    199:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  200:        { NULL, NULL }, /* Pc */
1.254     schwarze  201:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  202:        { termp_quote_pre, termp_quote_post }, /* Po */
                    203:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  204:        { NULL, NULL }, /* Qc */
1.188     kristaps  205:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    206:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    207:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  208:        { NULL, NULL }, /* Re */
                    209:        { termp_rs_pre, NULL }, /* Rs */
                    210:        { NULL, NULL }, /* Sc */
1.188     kristaps  211:        { termp_quote_pre, termp_quote_post }, /* So */
                    212:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  213:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  214:        { termp_under_pre, NULL }, /* Sx */
                    215:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  216:        { NULL, NULL }, /* Tn */
1.26      kristaps  217:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  218:        { NULL, NULL }, /* Xc */
                    219:        { NULL, NULL }, /* Xo */
1.264     schwarze  220:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    221:        { NULL, NULL }, /* Fc */
1.188     kristaps  222:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  223:        { NULL, NULL }, /* Oc */
1.159     schwarze  224:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  225:        { NULL, NULL }, /* Ek */
                    226:        { termp_bt_pre, NULL }, /* Bt */
                    227:        { NULL, NULL }, /* Hf */
1.268     schwarze  228:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  229:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  230:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  231:        { termp_sp_pre, NULL }, /* Lp */
                    232:        { termp_lk_pre, NULL }, /* Lk */
                    233:        { termp_under_pre, NULL }, /* Mt */
                    234:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    235:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    236:        { NULL, NULL }, /* Brc */
                    237:        { NULL, termp____post }, /* %C */
1.294     schwarze  238:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  239:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  240:        { termp_xx_pre, NULL }, /* Dx */
                    241:        { NULL, termp____post }, /* %Q */
1.76      kristaps  242:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  243:        { termp_sp_pre, NULL }, /* sp */
                    244:        { NULL, termp____post }, /* %U */
                    245:        { NULL, NULL }, /* Ta */
1.260     schwarze  246:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  247: };
                    248:
                    249:
1.70      kristaps  250: void
1.89      kristaps  251: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  252: {
1.245     schwarze  253:        const struct mdoc_meta  *meta;
1.281     schwarze  254:        struct mdoc_node        *n;
1.89      kristaps  255:        struct termp            *p;
                    256:
                    257:        p = (struct termp *)arg;
1.111     kristaps  258:
                    259:        p->overstep = 0;
1.281     schwarze  260:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  261:        p->tabwidth = term_len(p, 5);
1.70      kristaps  262:
1.281     schwarze  263:        n = mdoc_node(mdoc)->child;
1.245     schwarze  264:        meta = mdoc_meta(mdoc);
1.146     schwarze  265:
1.281     schwarze  266:        if (p->synopsisonly) {
                    267:                while (n != NULL) {
                    268:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    269:                                if (n->child->next->child != NULL)
                    270:                                        print_mdoc_nodelist(p, NULL,
                    271:                                            meta, n->child->next->child);
                    272:                                term_newln(p);
                    273:                                break;
                    274:                        }
                    275:                        n = n->next;
                    276:                }
                    277:        } else {
                    278:                if (p->defindent == 0)
                    279:                        p->defindent = 5;
                    280:                term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
                    281:                if (n != NULL) {
                    282:                        if (n->tok != MDOC_Sh)
                    283:                                term_vspace(p);
                    284:                        print_mdoc_nodelist(p, NULL, meta, n);
                    285:                }
                    286:                term_end(p);
1.271     schwarze  287:        }
1.1       kristaps  288: }
                    289:
1.3       kristaps  290: static void
1.102     kristaps  291: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  292: {
                    293:
1.245     schwarze  294:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  295:        if (n->next)
1.245     schwarze  296:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  297: }
                    298:
1.3       kristaps  299: static void
1.102     kristaps  300: print_mdoc_node(DECL_ARGS)
1.1       kristaps  301: {
1.102     kristaps  302:        int              chld;
1.1       kristaps  303:        struct termpair  npair;
1.30      kristaps  304:        size_t           offset, rmargin;
1.1       kristaps  305:
1.70      kristaps  306:        chld = 1;
1.29      kristaps  307:        offset = p->offset;
1.30      kristaps  308:        rmargin = p->rmargin;
1.244     schwarze  309:        n->prev_font = term_fontq(p);
1.29      kristaps  310:
1.97      kristaps  311:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  312:        npair.ppair = pair;
1.172     kristaps  313:
                    314:        /*
                    315:         * Keeps only work until the end of a line.  If a keep was
                    316:         * invoked in a prior line, revert it to PREKEEP.
                    317:         */
                    318:
1.253     schwarze  319:        if (TERMP_KEEP & p->flags) {
1.252     schwarze  320:                if (n->prev ? (n->prev->lastline != n->line) :
1.248     schwarze  321:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  322:                        p->flags &= ~TERMP_KEEP;
                    323:                        p->flags |= TERMP_PREKEEP;
                    324:                }
                    325:        }
1.197     schwarze  326:
                    327:        /*
1.217     schwarze  328:         * After the keep flags have been set up, we may now
                    329:         * produce output.  Note that some pre-handlers do so.
                    330:         */
                    331:
                    332:        switch (n->type) {
1.264     schwarze  333:        case MDOC_TEXT:
1.217     schwarze  334:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    335:                        term_newln(p);
1.222     kristaps  336:                if (MDOC_DELIMC & n->flags)
                    337:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  338:                term_word(p, n->string);
1.222     kristaps  339:                if (MDOC_DELIMO & n->flags)
                    340:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  341:                break;
1.264     schwarze  342:        case MDOC_EQN:
1.284     schwarze  343:                if ( ! (n->flags & MDOC_LINE))
                    344:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  345:                term_eqn(p, n->eqn);
1.286     schwarze  346:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  347:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  348:                break;
1.264     schwarze  349:        case MDOC_TBL:
1.217     schwarze  350:                term_tbl(p, n->span);
                    351:                break;
                    352:        default:
1.295     schwarze  353:                if (termacts[n->tok].pre &&
                    354:                    (n->end == ENDBODY_NOT || n->nchild))
1.217     schwarze  355:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  356:                                (p, &npair, meta, n);
1.217     schwarze  357:                break;
                    358:        }
                    359:
1.86      kristaps  360:        if (chld && n->child)
1.245     schwarze  361:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  362:
1.244     schwarze  363:        term_fontpopq(p,
                    364:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  365:
1.206     kristaps  366:        switch (n->type) {
1.264     schwarze  367:        case MDOC_TEXT:
1.206     kristaps  368:                break;
1.264     schwarze  369:        case MDOC_TBL:
1.216     kristaps  370:                break;
1.264     schwarze  371:        case MDOC_EQN:
1.206     kristaps  372:                break;
                    373:        default:
                    374:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    375:                        break;
1.245     schwarze  376:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  377:
                    378:                /*
                    379:                 * Explicit end tokens not only call the post
                    380:                 * handler, but also tell the respective block
                    381:                 * that it must not call the post handler again.
                    382:                 */
1.165     kristaps  383:                if (ENDBODY_NOT != n->end)
1.162     schwarze  384:                        n->pending->flags |= MDOC_ENDED;
                    385:
                    386:                /*
                    387:                 * End of line terminating an implicit block
                    388:                 * while an explicit block is still open.
                    389:                 * Continue the explicit block without spacing.
                    390:                 */
                    391:                if (ENDBODY_NOSPACE == n->end)
                    392:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  393:                break;
1.162     schwarze  394:        }
1.121     kristaps  395:
                    396:        if (MDOC_EOS & n->flags)
                    397:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  398:
1.260     schwarze  399:        if (MDOC_ll != n->tok) {
                    400:                p->offset = offset;
                    401:                p->rmargin = rmargin;
                    402:        }
1.1       kristaps  403: }
                    404:
1.3       kristaps  405: static void
1.145     kristaps  406: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  407: {
1.245     schwarze  408:        const struct mdoc_meta *meta;
1.292     schwarze  409:        size_t sz;
1.144     kristaps  410:
1.245     schwarze  411:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  412:
1.102     kristaps  413:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  414:
1.264     schwarze  415:        /*
1.9       kristaps  416:         * Output the footer in new-groff style, that is, three columns
                    417:         * with the middle being the manual date and flanking columns
                    418:         * being the operating system:
                    419:         *
                    420:         * SYSTEM                  DATE                    SYSTEM
                    421:         */
                    422:
1.1       kristaps  423:        term_vspace(p);
                    424:
1.9       kristaps  425:        p->offset = 0;
1.292     schwarze  426:        sz = term_strlen(p, meta->date);
                    427:        p->rmargin = p->maxrmargin > sz ?
                    428:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  429:        p->trailspace = 1;
1.1       kristaps  430:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    431:
1.245     schwarze  432:        term_word(p, meta->os);
1.1       kristaps  433:        term_flushln(p);
                    434:
1.9       kristaps  435:        p->offset = p->rmargin;
1.292     schwarze  436:        sz = term_strlen(p, meta->os);
                    437:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  438:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  439:
1.245     schwarze  440:        term_word(p, meta->date);
1.9       kristaps  441:        term_flushln(p);
                    442:
1.1       kristaps  443:        p->offset = p->rmargin;
                    444:        p->rmargin = p->maxrmargin;
1.250     schwarze  445:        p->trailspace = 0;
1.1       kristaps  446:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  447:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  448:
1.245     schwarze  449:        term_word(p, meta->os);
1.1       kristaps  450:        term_flushln(p);
                    451:
1.9       kristaps  452:        p->offset = 0;
                    453:        p->rmargin = p->maxrmargin;
                    454:        p->flags = 0;
1.1       kristaps  455: }
                    456:
1.3       kristaps  457: static void
1.144     kristaps  458: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  459: {
1.266     schwarze  460:        const struct mdoc_meta  *meta;
1.267     schwarze  461:        char                    *volume, *title;
                    462:        size_t                   vollen, titlen;
1.144     kristaps  463:
1.245     schwarze  464:        meta = (const struct mdoc_meta *)arg;
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:
                    529: static size_t
1.157     kristaps  530: a2height(const struct termp *p, const char *v)
1.1       kristaps  531: {
1.92      kristaps  532:        struct roffsu    su;
1.91      kristaps  533:
1.231     kristaps  534:
1.157     kristaps  535:        assert(v);
                    536:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  537:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  538:
1.157     kristaps  539:        return(term_vspan(p, &su));
1.91      kristaps  540: }
1.1       kristaps  541:
1.91      kristaps  542: static size_t
1.157     kristaps  543: a2width(const struct termp *p, const char *v)
1.91      kristaps  544: {
1.92      kristaps  545:        struct roffsu    su;
1.1       kristaps  546:
1.154     kristaps  547:        assert(v);
1.283     schwarze  548:        if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157     kristaps  549:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  550:                su.scale /= term_strlen(p, "0");
                    551:        }
1.1       kristaps  552:
1.157     kristaps  553:        return(term_hspan(p, &su));
1.1       kristaps  554: }
                    555:
1.108     kristaps  556: /*
                    557:  * Determine how much space to print out before block elements of `It'
                    558:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    559:  * too.
                    560:  */
1.54      kristaps  561: static void
1.264     schwarze  562: print_bvspace(struct termp *p,
                    563:        const struct mdoc_node *bl,
                    564:        const struct mdoc_node *n)
1.1       kristaps  565: {
1.86      kristaps  566:        const struct mdoc_node  *nn;
1.236     schwarze  567:
                    568:        assert(n);
1.1       kristaps  569:
                    570:        term_newln(p);
1.150     kristaps  571:
1.202     kristaps  572:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  573:                return;
1.202     kristaps  574:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  575:                return;
                    576:
1.85      kristaps  577:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  578:
1.289     schwarze  579:        nn = n;
                    580:        while (nn->prev == NULL) {
                    581:                do {
                    582:                        nn = nn->parent;
                    583:                        if (nn->type == MDOC_ROOT)
                    584:                                return;
                    585:                } while (nn->type != MDOC_BLOCK);
                    586:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  587:                        return;
1.289     schwarze  588:                if (nn->tok == MDOC_It &&
                    589:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    590:                        break;
1.1       kristaps  591:        }
                    592:
1.85      kristaps  593:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  594:
1.202     kristaps  595:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  596:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  597:                        return;
                    598:
1.85      kristaps  599:        /* A `-diag' without body does not vspace. */
                    600:
1.202     kristaps  601:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  602:                if (n->prev && MDOC_It == n->prev->tok) {
                    603:                        assert(n->prev->body);
                    604:                        if (NULL == n->prev->body->child)
1.55      kristaps  605:                                return;
                    606:                }
                    607:
1.54      kristaps  608:        term_vspace(p);
1.260     schwarze  609: }
                    610:
                    611:
                    612: static int
                    613: termp_ll_pre(DECL_ARGS)
                    614: {
                    615:
1.261     schwarze  616:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  617:        return(0);
1.1       kristaps  618: }
                    619:
                    620: static int
                    621: termp_it_pre(DECL_ARGS)
                    622: {
1.86      kristaps  623:        const struct mdoc_node *bl, *nn;
1.265     schwarze  624:        char                    buf[24];
1.264     schwarze  625:        int                     i;
                    626:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  627:        enum mdoc_list          type;
1.1       kristaps  628:
1.86      kristaps  629:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  630:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  631:                return(1);
                    632:        }
1.1       kristaps  633:
1.86      kristaps  634:        bl = n->parent->parent->parent;
1.202     kristaps  635:        type = bl->norm->Bl.type;
1.1       kristaps  636:
1.264     schwarze  637:        /*
1.108     kristaps  638:         * First calculate width and offset.  This is pretty easy unless
                    639:         * we're a -column list, in which case all prior columns must
                    640:         * be accounted for.
                    641:         */
                    642:
                    643:        width = offset = 0;
                    644:
1.202     kristaps  645:        if (bl->norm->Bl.offs)
1.288     schwarze  646:                offset = a2width(p, bl->norm->Bl.offs);
1.152     kristaps  647:
1.1       kristaps  648:        switch (type) {
1.264     schwarze  649:        case LIST_column:
1.134     kristaps  650:                if (MDOC_HEAD == n->type)
1.1       kristaps  651:                        break;
1.155     kristaps  652:
1.105     kristaps  653:                /*
1.108     kristaps  654:                 * Imitate groff's column handling:
                    655:                 * - For each earlier column, add its width.
                    656:                 * - For less than 5 columns, add four more blanks per
                    657:                 *   column.
                    658:                 * - For exactly 5 columns, add three more blank per
                    659:                 *   column.
                    660:                 * - For more than 5 columns, add only one column.
1.105     kristaps  661:                 */
1.202     kristaps  662:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  663:                dcol = ncols < 5 ? term_len(p, 4) :
                    664:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  665:
1.134     kristaps  666:                /*
                    667:                 * Calculate the offset by applying all prior MDOC_BODY,
                    668:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    669:                 */
                    670:
1.264     schwarze  671:                for (i = 0, nn = n->prev;
                    672:                    nn->prev && i < (int)ncols;
                    673:                    nn = nn->prev, i++)
                    674:                        offset += dcol + a2width(p,
                    675:                            bl->norm->Bl.cols[i]);
1.105     kristaps  676:
                    677:                /*
1.108     kristaps  678:                 * When exceeding the declared number of columns, leave
                    679:                 * the remaining widths at 0.  This will later be
                    680:                 * adjusted to the default width of 10, or, for the last
                    681:                 * column, stretched to the right margin.
1.58      kristaps  682:                 */
1.108     kristaps  683:                if (i >= (int)ncols)
                    684:                        break;
1.58      kristaps  685:
1.105     kristaps  686:                /*
1.108     kristaps  687:                 * Use the declared column widths, extended as explained
                    688:                 * in the preceding paragraph.
1.105     kristaps  689:                 */
1.202     kristaps  690:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  691:                break;
                    692:        default:
1.202     kristaps  693:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  694:                        break;
                    695:
1.264     schwarze  696:                /*
1.108     kristaps  697:                 * Note: buffer the width by 2, which is groff's magic
                    698:                 * number for buffering single arguments.  See the above
                    699:                 * handling for column for how this changes.
                    700:                 */
1.202     kristaps  701:                assert(bl->norm->Bl.width);
                    702:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  703:                break;
                    704:        }
                    705:
1.264     schwarze  706:        /*
1.1       kristaps  707:         * List-type can override the width in the case of fixed-head
                    708:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  709:         * offset.
1.1       kristaps  710:         */
                    711:
                    712:        switch (type) {
1.264     schwarze  713:        case LIST_bullet:
1.1       kristaps  714:                /* FALLTHROUGH */
1.264     schwarze  715:        case LIST_dash:
1.1       kristaps  716:                /* FALLTHROUGH */
1.264     schwarze  717:        case LIST_hyphen:
1.242     schwarze  718:                /* FALLTHROUGH */
1.264     schwarze  719:        case LIST_enum:
1.242     schwarze  720:                if (width < term_len(p, 2))
                    721:                        width = term_len(p, 2);
1.17      kristaps  722:                break;
1.264     schwarze  723:        case LIST_hang:
1.39      kristaps  724:                if (0 == width)
1.157     kristaps  725:                        width = term_len(p, 8);
1.39      kristaps  726:                break;
1.264     schwarze  727:        case LIST_column:
1.49      kristaps  728:                /* FALLTHROUGH */
1.264     schwarze  729:        case LIST_tag:
1.1       kristaps  730:                if (0 == width)
1.157     kristaps  731:                        width = term_len(p, 10);
1.1       kristaps  732:                break;
                    733:        default:
                    734:                break;
                    735:        }
                    736:
1.264     schwarze  737:        /*
1.17      kristaps  738:         * Whitespace control.  Inset bodies need an initial space,
                    739:         * while diagonal bodies need two.
1.1       kristaps  740:         */
                    741:
1.51      kristaps  742:        p->flags |= TERMP_NOSPACE;
                    743:
1.1       kristaps  744:        switch (type) {
1.264     schwarze  745:        case LIST_diag:
1.86      kristaps  746:                if (MDOC_BODY == n->type)
1.62      kristaps  747:                        term_word(p, "\\ \\ ");
1.51      kristaps  748:                break;
1.264     schwarze  749:        case LIST_inset:
1.270     schwarze  750:                if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51      kristaps  751:                        term_word(p, "\\ ");
1.1       kristaps  752:                break;
                    753:        default:
                    754:                break;
                    755:        }
                    756:
1.51      kristaps  757:        p->flags |= TERMP_NOSPACE;
                    758:
1.1       kristaps  759:        switch (type) {
1.264     schwarze  760:        case LIST_diag:
1.86      kristaps  761:                if (MDOC_HEAD == n->type)
1.102     kristaps  762:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  763:                break;
                    764:        default:
                    765:                break;
                    766:        }
                    767:
                    768:        /*
1.109     kristaps  769:         * Pad and break control.  This is the tricky part.  These flags
                    770:         * are documented in term_flushln() in term.c.  Note that we're
                    771:         * going to unset all of these flags in termp_it_post() when we
                    772:         * exit.
1.1       kristaps  773:         */
                    774:
                    775:        switch (type) {
1.264     schwarze  776:        case LIST_enum:
1.242     schwarze  777:                /*
                    778:                 * Weird special case.
                    779:                 * Very narrow enum lists actually hang.
                    780:                 */
                    781:                if (width == term_len(p, 2))
                    782:                        p->flags |= TERMP_HANG;
                    783:                /* FALLTHROUGH */
1.264     schwarze  784:        case LIST_bullet:
1.1       kristaps  785:                /* FALLTHROUGH */
1.264     schwarze  786:        case LIST_dash:
1.1       kristaps  787:                /* FALLTHROUGH */
1.264     schwarze  788:        case LIST_hyphen:
1.250     schwarze  789:                if (MDOC_HEAD != n->type)
                    790:                        break;
                    791:                p->flags |= TERMP_NOBREAK;
                    792:                p->trailspace = 1;
1.39      kristaps  793:                break;
1.264     schwarze  794:        case LIST_hang:
1.250     schwarze  795:                if (MDOC_HEAD != n->type)
1.59      kristaps  796:                        break;
                    797:
                    798:                /*
                    799:                 * This is ugly.  If `-hang' is specified and the body
                    800:                 * is a `Bl' or `Bd', then we want basically to nullify
                    801:                 * the "overstep" effect in term_flushln() and treat
                    802:                 * this as a `-ohang' list instead.
                    803:                 */
1.279     schwarze  804:                if (NULL != n->next &&
1.278     schwarze  805:                    NULL != n->next->child &&
                    806:                    (MDOC_Bl == n->next->child->tok ||
                    807:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  808:                        break;
                    809:
1.263     schwarze  810:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  811:                p->trailspace = 1;
1.39      kristaps  812:                break;
1.264     schwarze  813:        case LIST_tag:
1.86      kristaps  814:                if (MDOC_HEAD != n->type)
1.39      kristaps  815:                        break;
1.250     schwarze  816:
1.263     schwarze  817:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  818:                p->trailspace = 2;
                    819:
1.86      kristaps  820:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  821:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  822:                break;
1.264     schwarze  823:        case LIST_column:
1.134     kristaps  824:                if (MDOC_HEAD == n->type)
                    825:                        break;
                    826:
1.250     schwarze  827:                if (NULL == n->next) {
1.134     kristaps  828:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  829:                        p->trailspace = 0;
                    830:                } else {
1.134     kristaps  831:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  832:                        p->trailspace = 1;
                    833:                }
1.134     kristaps  834:
1.1       kristaps  835:                break;
1.264     schwarze  836:        case LIST_diag:
1.250     schwarze  837:                if (MDOC_HEAD != n->type)
                    838:                        break;
1.263     schwarze  839:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  840:                p->trailspace = 1;
1.1       kristaps  841:                break;
                    842:        default:
                    843:                break;
                    844:        }
                    845:
1.264     schwarze  846:        /*
1.1       kristaps  847:         * Margin control.  Set-head-width lists have their right
                    848:         * margins shortened.  The body for these lists has the offset
                    849:         * necessarily lengthened.  Everybody gets the offset.
                    850:         */
                    851:
                    852:        p->offset += offset;
                    853:
                    854:        switch (type) {
1.264     schwarze  855:        case LIST_hang:
1.59      kristaps  856:                /*
                    857:                 * Same stipulation as above, regarding `-hang'.  We
                    858:                 * don't want to recalculate rmargin and offsets when
                    859:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    860:                 */
1.279     schwarze  861:                if (MDOC_HEAD == n->type &&
                    862:                    NULL != n->next &&
1.278     schwarze  863:                    NULL != n->next->child &&
                    864:                    (MDOC_Bl == n->next->child->tok ||
                    865:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  866:                        break;
                    867:                /* FALLTHROUGH */
1.264     schwarze  868:        case LIST_bullet:
1.1       kristaps  869:                /* FALLTHROUGH */
1.264     schwarze  870:        case LIST_dash:
1.1       kristaps  871:                /* FALLTHROUGH */
1.264     schwarze  872:        case LIST_enum:
1.1       kristaps  873:                /* FALLTHROUGH */
1.264     schwarze  874:        case LIST_hyphen:
1.1       kristaps  875:                /* FALLTHROUGH */
1.264     schwarze  876:        case LIST_tag:
1.49      kristaps  877:                assert(width);
1.86      kristaps  878:                if (MDOC_HEAD == n->type)
1.1       kristaps  879:                        p->rmargin = p->offset + width;
1.292     schwarze  880:                else
1.1       kristaps  881:                        p->offset += width;
                    882:                break;
1.264     schwarze  883:        case LIST_column:
1.49      kristaps  884:                assert(width);
1.1       kristaps  885:                p->rmargin = p->offset + width;
1.264     schwarze  886:                /*
1.50      kristaps  887:                 * XXX - this behaviour is not documented: the
                    888:                 * right-most column is filled to the right margin.
                    889:                 */
1.134     kristaps  890:                if (MDOC_HEAD == n->type)
                    891:                        break;
                    892:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  893:                        p->rmargin = p->maxrmargin;
1.1       kristaps  894:                break;
                    895:        default:
                    896:                break;
                    897:        }
                    898:
1.264     schwarze  899:        /*
1.1       kristaps  900:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  901:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  902:         */
                    903:
1.86      kristaps  904:        if (MDOC_HEAD == n->type)
1.1       kristaps  905:                switch (type) {
1.264     schwarze  906:                case LIST_bullet:
1.102     kristaps  907:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  908:                        term_word(p, "\\[bu]");
1.102     kristaps  909:                        term_fontpop(p);
1.1       kristaps  910:                        break;
1.264     schwarze  911:                case LIST_dash:
1.1       kristaps  912:                        /* FALLTHROUGH */
1.264     schwarze  913:                case LIST_hyphen:
1.102     kristaps  914:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  915:                        term_word(p, "\\(hy");
1.102     kristaps  916:                        term_fontpop(p);
1.1       kristaps  917:                        break;
1.264     schwarze  918:                case LIST_enum:
1.1       kristaps  919:                        (pair->ppair->ppair->count)++;
1.265     schwarze  920:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  921:                            pair->ppair->ppair->count);
1.1       kristaps  922:                        term_word(p, buf);
                    923:                        break;
                    924:                default:
                    925:                        break;
                    926:                }
                    927:
1.264     schwarze  928:        /*
1.1       kristaps  929:         * If we're not going to process our children, indicate so here.
                    930:         */
                    931:
                    932:        switch (type) {
1.264     schwarze  933:        case LIST_bullet:
1.1       kristaps  934:                /* FALLTHROUGH */
1.264     schwarze  935:        case LIST_item:
1.1       kristaps  936:                /* FALLTHROUGH */
1.264     schwarze  937:        case LIST_dash:
1.1       kristaps  938:                /* FALLTHROUGH */
1.264     schwarze  939:        case LIST_hyphen:
1.1       kristaps  940:                /* FALLTHROUGH */
1.264     schwarze  941:        case LIST_enum:
1.86      kristaps  942:                if (MDOC_HEAD == n->type)
1.1       kristaps  943:                        return(0);
                    944:                break;
1.264     schwarze  945:        case LIST_column:
1.134     kristaps  946:                if (MDOC_HEAD == n->type)
1.1       kristaps  947:                        return(0);
                    948:                break;
                    949:        default:
                    950:                break;
                    951:        }
                    952:
                    953:        return(1);
                    954: }
                    955:
                    956: static void
                    957: termp_it_post(DECL_ARGS)
                    958: {
1.126     kristaps  959:        enum mdoc_list     type;
1.1       kristaps  960:
1.109     kristaps  961:        if (MDOC_BLOCK == n->type)
1.1       kristaps  962:                return;
                    963:
1.202     kristaps  964:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  965:
                    966:        switch (type) {
1.264     schwarze  967:        case LIST_item:
1.1       kristaps  968:                /* FALLTHROUGH */
1.264     schwarze  969:        case LIST_diag:
1.53      kristaps  970:                /* FALLTHROUGH */
1.264     schwarze  971:        case LIST_inset:
1.86      kristaps  972:                if (MDOC_BODY == n->type)
1.130     schwarze  973:                        term_newln(p);
1.1       kristaps  974:                break;
1.264     schwarze  975:        case LIST_column:
1.134     kristaps  976:                if (MDOC_BODY == n->type)
1.1       kristaps  977:                        term_flushln(p);
                    978:                break;
                    979:        default:
1.130     schwarze  980:                term_newln(p);
1.1       kristaps  981:                break;
                    982:        }
                    983:
1.264     schwarze  984:        /*
1.109     kristaps  985:         * Now that our output is flushed, we can reset our tags.  Since
                    986:         * only `It' sets these flags, we're free to assume that nobody
                    987:         * has munged them in the meanwhile.
                    988:         */
                    989:
1.263     schwarze  990:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                    991:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  992:        p->trailspace = 0;
1.1       kristaps  993: }
                    994:
                    995: static int
                    996: termp_nm_pre(DECL_ARGS)
                    997: {
1.296     schwarze  998:        const char      *cp;
1.1       kristaps  999:
1.253     schwarze 1000:        if (MDOC_BLOCK == n->type) {
                   1001:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1002:                return(1);
1.253     schwarze 1003:        }
1.164     schwarze 1004:
                   1005:        if (MDOC_BODY == n->type) {
                   1006:                if (NULL == n->child)
                   1007:                        return(0);
1.234     schwarze 1008:                p->flags |= TERMP_NOSPACE;
1.296     schwarze 1009:                cp = NULL;
                   1010:                if (n->prev->child != NULL)
                   1011:                    cp = n->prev->child->string;
                   1012:                if (cp == NULL)
                   1013:                        cp = meta->name;
                   1014:                if (cp == NULL)
                   1015:                        p->offset += term_len(p, 6);
                   1016:                else
                   1017:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.164     schwarze 1018:                return(1);
                   1019:        }
                   1020:
1.245     schwarze 1021:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1022:                return(0);
1.125     kristaps 1023:
1.177     schwarze 1024:        if (MDOC_HEAD == n->type)
                   1025:                synopsis_pre(p, n->parent);
1.102     kristaps 1026:
1.279     schwarze 1027:        if (MDOC_HEAD == n->type &&
1.278     schwarze 1028:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1029:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1030:                p->trailspace = 1;
1.185     schwarze 1031:                p->rmargin = p->offset + term_len(p, 1);
                   1032:                if (NULL == n->child) {
1.245     schwarze 1033:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1034:                } else if (MDOC_TEXT == n->child->type) {
                   1035:                        p->rmargin += term_strlen(p, n->child->string);
                   1036:                        if (n->child->next)
                   1037:                                p->flags |= TERMP_HANG;
                   1038:                } else {
                   1039:                        p->rmargin += term_len(p, 5);
                   1040:                        p->flags |= TERMP_HANG;
                   1041:                }
1.164     schwarze 1042:        }
                   1043:
1.102     kristaps 1044:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1045:        if (NULL == n->child)
1.245     schwarze 1046:                term_word(p, meta->name);
1.1       kristaps 1047:        return(1);
                   1048: }
                   1049:
1.164     schwarze 1050: static void
                   1051: termp_nm_post(DECL_ARGS)
                   1052: {
                   1053:
1.253     schwarze 1054:        if (MDOC_BLOCK == n->type) {
                   1055:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279     schwarze 1056:        } else if (MDOC_HEAD == n->type &&
1.278     schwarze 1057:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1058:                term_flushln(p);
1.263     schwarze 1059:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1060:                p->trailspace = 0;
1.234     schwarze 1061:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1062:                term_flushln(p);
                   1063: }
                   1064:
1.1       kristaps 1065: static int
                   1066: termp_fl_pre(DECL_ARGS)
                   1067: {
                   1068:
1.102     kristaps 1069:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1070:        term_word(p, "\\-");
1.103     kristaps 1071:
1.280     schwarze 1072:        if ( ! (n->nchild == 0 &&
                   1073:            (n->next == NULL ||
                   1074:             n->next->type == MDOC_TEXT ||
                   1075:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1076:                p->flags |= TERMP_NOSPACE;
                   1077:
1.1       kristaps 1078:        return(1);
                   1079: }
                   1080:
                   1081: static int
1.184     kristaps 1082: termp__a_pre(DECL_ARGS)
                   1083: {
                   1084:
                   1085:        if (n->prev && MDOC__A == n->prev->tok)
                   1086:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1087:                        term_word(p, "and");
                   1088:
                   1089:        return(1);
                   1090: }
                   1091:
                   1092: static int
1.61      kristaps 1093: termp_an_pre(DECL_ARGS)
                   1094: {
                   1095:
1.282     schwarze 1096:        if (n->norm->An.auth == AUTH_split) {
                   1097:                p->flags &= ~TERMP_NOSPLIT;
                   1098:                p->flags |= TERMP_SPLIT;
                   1099:                return(0);
                   1100:        }
                   1101:        if (n->norm->An.auth == AUTH_nosplit) {
                   1102:                p->flags &= ~TERMP_SPLIT;
                   1103:                p->flags |= TERMP_NOSPLIT;
                   1104:                return(0);
                   1105:        }
1.61      kristaps 1106:
1.282     schwarze 1107:        if (n->child == NULL)
                   1108:                return(0);
1.264     schwarze 1109:
1.282     schwarze 1110:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1111:                term_newln(p);
                   1112:
1.282     schwarze 1113:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1114:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1115:
                   1116:        return(1);
                   1117: }
                   1118:
                   1119: static int
1.1       kristaps 1120: termp_ns_pre(DECL_ARGS)
                   1121: {
                   1122:
1.215     kristaps 1123:        if ( ! (MDOC_LINE & n->flags))
                   1124:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1125:        return(1);
                   1126: }
                   1127:
                   1128: static int
                   1129: termp_rs_pre(DECL_ARGS)
                   1130: {
                   1131:
1.86      kristaps 1132:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1133:                return(1);
1.86      kristaps 1134:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1135:                term_vspace(p);
                   1136:        return(1);
                   1137: }
                   1138:
                   1139: static int
                   1140: termp_rv_pre(DECL_ARGS)
                   1141: {
1.223     kristaps 1142:        int              nchild;
1.1       kristaps 1143:
                   1144:        term_newln(p);
                   1145:
1.223     kristaps 1146:        nchild = n->nchild;
1.273     schwarze 1147:        if (nchild > 0) {
                   1148:                term_word(p, "The");
1.224     kristaps 1149:
1.273     schwarze 1150:                for (n = n->child; n; n = n->next) {
                   1151:                        term_fontpush(p, TERMFONT_BOLD);
                   1152:                        term_word(p, n->string);
                   1153:                        term_fontpop(p);
1.223     kristaps 1154:
                   1155:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1156:                        term_word(p, "()");
                   1157:
                   1158:                        if (n->next == NULL)
                   1159:                                continue;
                   1160:
                   1161:                        if (nchild > 2) {
                   1162:                                p->flags |= TERMP_NOSPACE;
                   1163:                                term_word(p, ",");
                   1164:                        }
                   1165:                        if (n->next->next == NULL)
                   1166:                                term_word(p, "and");
1.223     kristaps 1167:                }
                   1168:
1.273     schwarze 1169:                if (nchild > 1)
                   1170:                        term_word(p, "functions return");
                   1171:                else
                   1172:                        term_word(p, "function returns");
                   1173:
                   1174:                term_word(p, "the value\\~0 if successful;");
                   1175:        } else
                   1176:                term_word(p, "Upon successful completion,"
                   1177:                    " the value\\~0 is returned;");
1.1       kristaps 1178:
1.273     schwarze 1179:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1180:            " and the global variable");
1.1       kristaps 1181:
1.102     kristaps 1182:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1183:        term_word(p, "errno");
1.102     kristaps 1184:        term_fontpop(p);
1.1       kristaps 1185:
1.264     schwarze 1186:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1187:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1188:
1.68      kristaps 1189:        return(0);
1.1       kristaps 1190: }
                   1191:
                   1192: static int
                   1193: termp_ex_pre(DECL_ARGS)
                   1194: {
1.224     kristaps 1195:        int              nchild;
1.1       kristaps 1196:
1.224     kristaps 1197:        term_newln(p);
1.68      kristaps 1198:        term_word(p, "The");
1.1       kristaps 1199:
1.224     kristaps 1200:        nchild = n->nchild;
                   1201:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1202:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1203:                term_word(p, n->string);
1.102     kristaps 1204:                term_fontpop(p);
1.224     kristaps 1205:
                   1206:                if (nchild > 2 && n->next) {
                   1207:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1208:                        term_word(p, ",");
1.224     kristaps 1209:                }
                   1210:
                   1211:                if (n->next && NULL == n->next->next)
                   1212:                        term_word(p, "and");
1.68      kristaps 1213:        }
                   1214:
1.224     kristaps 1215:        if (nchild > 1)
1.273     schwarze 1216:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1217:        else
1.273     schwarze 1218:                term_word(p, "utility exits\\~0");
1.68      kristaps 1219:
1.273     schwarze 1220:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1221:
1.131     kristaps 1222:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1223:        return(0);
1.1       kristaps 1224: }
                   1225:
                   1226: static int
                   1227: termp_nd_pre(DECL_ARGS)
                   1228: {
1.25      kristaps 1229:
1.297   ! schwarze 1230:        if (n->type == MDOC_BODY)
        !          1231:                term_word(p, "\\(en");
1.1       kristaps 1232:        return(1);
1.115     kristaps 1233: }
                   1234:
                   1235: static int
                   1236: termp_bl_pre(DECL_ARGS)
                   1237: {
                   1238:
                   1239:        return(MDOC_HEAD != n->type);
1.1       kristaps 1240: }
                   1241:
                   1242: static void
                   1243: termp_bl_post(DECL_ARGS)
                   1244: {
                   1245:
1.86      kristaps 1246:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1247:                term_newln(p);
                   1248: }
                   1249:
                   1250: static int
                   1251: termp_xr_pre(DECL_ARGS)
                   1252: {
                   1253:
1.225     kristaps 1254:        if (NULL == (n = n->child))
1.113     kristaps 1255:                return(0);
                   1256:
1.225     kristaps 1257:        assert(MDOC_TEXT == n->type);
                   1258:        term_word(p, n->string);
1.11      kristaps 1259:
1.264     schwarze 1260:        if (NULL == (n = n->next))
1.1       kristaps 1261:                return(0);
1.225     kristaps 1262:
1.1       kristaps 1263:        p->flags |= TERMP_NOSPACE;
                   1264:        term_word(p, "(");
1.222     kristaps 1265:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1266:
                   1267:        assert(MDOC_TEXT == n->type);
                   1268:        term_word(p, n->string);
                   1269:
1.222     kristaps 1270:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1271:        term_word(p, ")");
1.86      kristaps 1272:
1.1       kristaps 1273:        return(0);
                   1274: }
                   1275:
1.143     kristaps 1276: /*
                   1277:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1278:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1279:  * macro combos).
                   1280:  */
                   1281: static void
                   1282: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1283: {
1.264     schwarze 1284:        /*
1.143     kristaps 1285:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1286:         * exist, do nothing.
                   1287:         */
1.160     kristaps 1288:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1289:                return;
                   1290:
                   1291:        /*
                   1292:         * If we're the second in a pair of like elements, emit our
                   1293:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1294:         * case we soldier on.
                   1295:         */
1.264     schwarze 1296:        if (n->prev->tok == n->tok &&
                   1297:            MDOC_Ft != n->tok &&
                   1298:            MDOC_Fo != n->tok &&
                   1299:            MDOC_Fn != n->tok) {
1.143     kristaps 1300:                term_newln(p);
                   1301:                return;
                   1302:        }
                   1303:
                   1304:        /*
                   1305:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1306:         * another (or Fn/Fo, which we've let slip through) then assert
                   1307:         * vertical space, else only newline and move on.
                   1308:         */
                   1309:        switch (n->prev->tok) {
1.264     schwarze 1310:        case MDOC_Fd:
1.143     kristaps 1311:                /* FALLTHROUGH */
1.264     schwarze 1312:        case MDOC_Fn:
1.143     kristaps 1313:                /* FALLTHROUGH */
1.264     schwarze 1314:        case MDOC_Fo:
1.143     kristaps 1315:                /* FALLTHROUGH */
1.264     schwarze 1316:        case MDOC_In:
1.143     kristaps 1317:                /* FALLTHROUGH */
1.264     schwarze 1318:        case MDOC_Vt:
1.143     kristaps 1319:                term_vspace(p);
                   1320:                break;
1.264     schwarze 1321:        case MDOC_Ft:
1.143     kristaps 1322:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1323:                        term_vspace(p);
                   1324:                        break;
                   1325:                }
                   1326:                /* FALLTHROUGH */
                   1327:        default:
                   1328:                term_newln(p);
                   1329:                break;
                   1330:        }
                   1331: }
                   1332:
1.110     kristaps 1333: static int
                   1334: termp_vt_pre(DECL_ARGS)
                   1335: {
                   1336:
1.143     kristaps 1337:        if (MDOC_ELEM == n->type) {
                   1338:                synopsis_pre(p, n);
1.245     schwarze 1339:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1340:        } else if (MDOC_BLOCK == n->type) {
                   1341:                synopsis_pre(p, n);
                   1342:                return(1);
                   1343:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1344:                return(0);
                   1345:
1.245     schwarze 1346:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1347: }
                   1348:
1.1       kristaps 1349: static int
1.69      kristaps 1350: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1351: {
                   1352:
1.102     kristaps 1353:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1354:        return(1);
                   1355: }
                   1356:
1.143     kristaps 1357: static int
                   1358: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1359: {
                   1360:
1.143     kristaps 1361:        synopsis_pre(p, n);
1.245     schwarze 1362:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1363: }
                   1364:
1.241     schwarze 1365: static void
                   1366: termp_fd_post(DECL_ARGS)
                   1367: {
                   1368:
                   1369:        term_newln(p);
                   1370: }
                   1371:
1.1       kristaps 1372: static int
                   1373: termp_sh_pre(DECL_ARGS)
                   1374: {
1.85      kristaps 1375:
1.86      kristaps 1376:        switch (n->type) {
1.264     schwarze 1377:        case MDOC_BLOCK:
1.293     schwarze 1378:                /*
                   1379:                 * Vertical space before sections, except
                   1380:                 * when the previous section was empty.
                   1381:                 */
                   1382:                if (n->prev == NULL ||
                   1383:                    MDOC_Sh != n->prev->tok ||
                   1384:                    (n->prev->body != NULL &&
                   1385:                     n->prev->body->child != NULL))
                   1386:                        term_vspace(p);
1.65      kristaps 1387:                break;
1.264     schwarze 1388:        case MDOC_HEAD:
1.102     kristaps 1389:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1390:                break;
1.264     schwarze 1391:        case MDOC_BODY:
1.238     schwarze 1392:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1393:                if (SEC_AUTHORS == n->sec)
                   1394:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1395:                break;
                   1396:        default:
                   1397:                break;
                   1398:        }
                   1399:        return(1);
                   1400: }
                   1401:
                   1402: static void
                   1403: termp_sh_post(DECL_ARGS)
                   1404: {
                   1405:
1.86      kristaps 1406:        switch (n->type) {
1.264     schwarze 1407:        case MDOC_HEAD:
1.1       kristaps 1408:                term_newln(p);
                   1409:                break;
1.264     schwarze 1410:        case MDOC_BODY:
1.1       kristaps 1411:                term_newln(p);
                   1412:                p->offset = 0;
                   1413:                break;
                   1414:        default:
                   1415:                break;
                   1416:        }
                   1417: }
                   1418:
                   1419: static int
                   1420: termp_bt_pre(DECL_ARGS)
                   1421: {
                   1422:
                   1423:        term_word(p, "is currently in beta test.");
1.131     kristaps 1424:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1425:        return(0);
1.1       kristaps 1426: }
                   1427:
                   1428: static void
                   1429: termp_lb_post(DECL_ARGS)
                   1430: {
                   1431:
1.122     kristaps 1432:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1433:                term_newln(p);
1.1       kristaps 1434: }
                   1435:
                   1436: static int
                   1437: termp_ud_pre(DECL_ARGS)
                   1438: {
                   1439:
                   1440:        term_word(p, "currently under development.");
1.131     kristaps 1441:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1442:        return(0);
1.1       kristaps 1443: }
                   1444:
                   1445: static int
                   1446: termp_d1_pre(DECL_ARGS)
                   1447: {
                   1448:
1.86      kristaps 1449:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1450:                return(1);
                   1451:        term_newln(p);
1.238     schwarze 1452:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1453:        return(1);
                   1454: }
                   1455:
                   1456: static int
                   1457: termp_ft_pre(DECL_ARGS)
                   1458: {
                   1459:
1.141     kristaps 1460:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1461:        synopsis_pre(p, n);
1.102     kristaps 1462:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1463:        return(1);
                   1464: }
                   1465:
                   1466: static int
                   1467: termp_fn_pre(DECL_ARGS)
                   1468: {
1.257     schwarze 1469:        size_t           rmargin = 0;
1.226     kristaps 1470:        int              pretty;
                   1471:
                   1472:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1473:
1.143     kristaps 1474:        synopsis_pre(p, n);
1.139     kristaps 1475:
1.226     kristaps 1476:        if (NULL == (n = n->child))
                   1477:                return(0);
                   1478:
1.251     schwarze 1479:        if (pretty) {
                   1480:                rmargin = p->rmargin;
1.257     schwarze 1481:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1482:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1483:        }
                   1484:
1.226     kristaps 1485:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1486:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1487:        term_word(p, n->string);
1.102     kristaps 1488:        term_fontpop(p);
1.1       kristaps 1489:
1.251     schwarze 1490:        if (pretty) {
                   1491:                term_flushln(p);
1.263     schwarze 1492:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1493:                p->offset = p->rmargin;
                   1494:                p->rmargin = rmargin;
                   1495:        }
                   1496:
1.1       kristaps 1497:        p->flags |= TERMP_NOSPACE;
                   1498:        term_word(p, "(");
1.222     kristaps 1499:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1500:
1.226     kristaps 1501:        for (n = n->next; n; n = n->next) {
                   1502:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1503:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1504:                if (pretty)
                   1505:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1506:                term_word(p, n->string);
1.102     kristaps 1507:                term_fontpop(p);
                   1508:
1.226     kristaps 1509:                if (n->next) {
1.222     kristaps 1510:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1511:                        term_word(p, ",");
1.222     kristaps 1512:                }
1.1       kristaps 1513:        }
                   1514:
1.222     kristaps 1515:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1516:        term_word(p, ")");
                   1517:
1.226     kristaps 1518:        if (pretty) {
1.222     kristaps 1519:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1520:                term_word(p, ";");
1.251     schwarze 1521:                term_flushln(p);
1.222     kristaps 1522:        }
1.1       kristaps 1523:
                   1524:        return(0);
                   1525: }
                   1526:
                   1527: static int
                   1528: termp_fa_pre(DECL_ARGS)
                   1529: {
1.86      kristaps 1530:        const struct mdoc_node  *nn;
1.1       kristaps 1531:
1.86      kristaps 1532:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1533:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1534:                return(1);
                   1535:        }
                   1536:
1.86      kristaps 1537:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1538:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1539:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1540:                term_word(p, nn->string);
1.102     kristaps 1541:                term_fontpop(p);
                   1542:
1.256     schwarze 1543:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1544:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1545:                        term_word(p, ",");
1.222     kristaps 1546:                }
1.1       kristaps 1547:        }
                   1548:
                   1549:        return(0);
                   1550: }
                   1551:
                   1552: static int
                   1553: termp_bd_pre(DECL_ARGS)
                   1554: {
1.272     schwarze 1555:        size_t                   tabwidth, lm, len, rm, rmax;
1.244     schwarze 1556:        struct mdoc_node        *nn;
1.1       kristaps 1557:
1.86      kristaps 1558:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1559:                print_bvspace(p, n, n);
1.54      kristaps 1560:                return(1);
1.116     kristaps 1561:        } else if (MDOC_HEAD == n->type)
                   1562:                return(0);
1.1       kristaps 1563:
1.288     schwarze 1564:        /* Handle the -offset argument. */
                   1565:
                   1566:        if (n->norm->Bd.offs == NULL ||
                   1567:            ! strcmp(n->norm->Bd.offs, "left"))
                   1568:                /* nothing */;
                   1569:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1570:                p->offset += term_len(p, p->defindent + 1);
                   1571:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1572:                p->offset += term_len(p, (p->defindent + 1) * 2);
                   1573:        else
                   1574:                p->offset += a2width(p, n->norm->Bd.offs);
1.85      kristaps 1575:
                   1576:        /*
                   1577:         * If -ragged or -filled are specified, the block does nothing
                   1578:         * but change the indentation.  If -unfilled or -literal are
                   1579:         * specified, text is printed exactly as entered in the display:
                   1580:         * for macro lines, a newline is appended to the line.  Blank
                   1581:         * lines are allowed.
                   1582:         */
1.264     schwarze 1583:
                   1584:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1585:            DISP_unfilled != n->norm->Bd.type &&
                   1586:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1587:                return(1);
                   1588:
1.129     schwarze 1589:        tabwidth = p->tabwidth;
1.208     kristaps 1590:        if (DISP_literal == n->norm->Bd.type)
                   1591:                p->tabwidth = term_len(p, 8);
                   1592:
1.272     schwarze 1593:        lm = p->offset;
1.119     kristaps 1594:        rm = p->rmargin;
                   1595:        rmax = p->maxrmargin;
1.120     kristaps 1596:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1597:
1.86      kristaps 1598:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1599:                if (DISP_centered == n->norm->Bd.type) {
                   1600:                        if (MDOC_TEXT == nn->type) {
                   1601:                                len = term_strlen(p, nn->string);
                   1602:                                p->offset = len >= rm ? 0 :
                   1603:                                    lm + len >= rm ? rm - len :
                   1604:                                    (lm + rm - len) / 2;
                   1605:                        } else
                   1606:                                p->offset = lm;
                   1607:                }
1.245     schwarze 1608:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1609:                /*
                   1610:                 * If the printed node flushes its own line, then we
                   1611:                 * needn't do it here as well.  This is hacky, but the
                   1612:                 * notion of selective eoln whitespace is pretty dumb
                   1613:                 * anyway, so don't sweat it.
                   1614:                 */
                   1615:                switch (nn->tok) {
1.264     schwarze 1616:                case MDOC_Sm:
1.193     kristaps 1617:                        /* FALLTHROUGH */
1.264     schwarze 1618:                case MDOC_br:
1.190     kristaps 1619:                        /* FALLTHROUGH */
1.264     schwarze 1620:                case MDOC_sp:
1.190     kristaps 1621:                        /* FALLTHROUGH */
1.264     schwarze 1622:                case MDOC_Bl:
1.196     kristaps 1623:                        /* FALLTHROUGH */
1.264     schwarze 1624:                case MDOC_D1:
1.196     kristaps 1625:                        /* FALLTHROUGH */
1.264     schwarze 1626:                case MDOC_Dl:
1.190     kristaps 1627:                        /* FALLTHROUGH */
1.264     schwarze 1628:                case MDOC_Lp:
1.190     kristaps 1629:                        /* FALLTHROUGH */
1.264     schwarze 1630:                case MDOC_Pp:
1.190     kristaps 1631:                        continue;
                   1632:                default:
                   1633:                        break;
                   1634:                }
1.180     schwarze 1635:                if (nn->next && nn->next->line == nn->line)
                   1636:                        continue;
                   1637:                term_flushln(p);
                   1638:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1639:        }
1.147     kristaps 1640:
1.129     schwarze 1641:        p->tabwidth = tabwidth;
1.119     kristaps 1642:        p->rmargin = rm;
                   1643:        p->maxrmargin = rmax;
1.1       kristaps 1644:        return(0);
                   1645: }
                   1646:
                   1647: static void
                   1648: termp_bd_post(DECL_ARGS)
                   1649: {
1.119     kristaps 1650:        size_t           rm, rmax;
1.1       kristaps 1651:
1.264     schwarze 1652:        if (MDOC_BODY != n->type)
1.1       kristaps 1653:                return;
1.118     kristaps 1654:
1.119     kristaps 1655:        rm = p->rmargin;
                   1656:        rmax = p->maxrmargin;
1.118     kristaps 1657:
1.264     schwarze 1658:        if (DISP_literal == n->norm->Bd.type ||
                   1659:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1660:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1661:
1.60      kristaps 1662:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1663:        term_newln(p);
1.118     kristaps 1664:
1.119     kristaps 1665:        p->rmargin = rm;
                   1666:        p->maxrmargin = rmax;
1.1       kristaps 1667: }
                   1668:
1.211     kristaps 1669: static int
                   1670: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1671: {
                   1672:
1.211     kristaps 1673:        if (NULL != (n = n->child)) {
                   1674:                term_word(p, n->string);
                   1675:                p->flags |= TERMP_NOSPACE;
                   1676:                term_word(p, "BSD");
                   1677:        } else {
                   1678:                term_word(p, "BSD");
                   1679:                return(0);
                   1680:        }
                   1681:
                   1682:        if (NULL != (n = n->next)) {
                   1683:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1684:                term_word(p, "-");
1.1       kristaps 1685:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1686:                term_word(p, n->string);
1.211     kristaps 1687:        }
                   1688:
                   1689:        return(0);
1.1       kristaps 1690: }
                   1691:
                   1692: static int
1.26      kristaps 1693: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1694: {
1.26      kristaps 1695:        const char      *pp;
1.218     schwarze 1696:        int              flags;
1.1       kristaps 1697:
1.26      kristaps 1698:        pp = NULL;
1.86      kristaps 1699:        switch (n->tok) {
1.264     schwarze 1700:        case MDOC_Bsx:
1.194     schwarze 1701:                pp = "BSD/OS";
1.26      kristaps 1702:                break;
1.264     schwarze 1703:        case MDOC_Dx:
1.100     kristaps 1704:                pp = "DragonFly";
1.26      kristaps 1705:                break;
1.264     schwarze 1706:        case MDOC_Fx:
1.26      kristaps 1707:                pp = "FreeBSD";
                   1708:                break;
1.264     schwarze 1709:        case MDOC_Nx:
1.26      kristaps 1710:                pp = "NetBSD";
                   1711:                break;
1.264     schwarze 1712:        case MDOC_Ox:
1.26      kristaps 1713:                pp = "OpenBSD";
                   1714:                break;
1.264     schwarze 1715:        case MDOC_Ux:
1.26      kristaps 1716:                pp = "UNIX";
                   1717:                break;
                   1718:        default:
1.246     schwarze 1719:                abort();
                   1720:                /* NOTREACHED */
1.26      kristaps 1721:        }
1.1       kristaps 1722:
1.26      kristaps 1723:        term_word(p, pp);
1.214     kristaps 1724:        if (n->child) {
1.218     schwarze 1725:                flags = p->flags;
1.214     kristaps 1726:                p->flags |= TERMP_KEEP;
                   1727:                term_word(p, n->child->string);
1.218     schwarze 1728:                p->flags = flags;
1.214     kristaps 1729:        }
                   1730:        return(0);
1.1       kristaps 1731: }
                   1732:
                   1733: static void
                   1734: termp_pf_post(DECL_ARGS)
                   1735: {
                   1736:
                   1737:        p->flags |= TERMP_NOSPACE;
                   1738: }
                   1739:
                   1740: static int
                   1741: termp_ss_pre(DECL_ARGS)
                   1742: {
                   1743:
1.86      kristaps 1744:        switch (n->type) {
1.264     schwarze 1745:        case MDOC_BLOCK:
1.1       kristaps 1746:                term_newln(p);
1.86      kristaps 1747:                if (n->prev)
1.1       kristaps 1748:                        term_vspace(p);
                   1749:                break;
1.264     schwarze 1750:        case MDOC_HEAD:
1.102     kristaps 1751:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1752:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1753:                break;
1.274     schwarze 1754:        case MDOC_BODY:
                   1755:                p->offset = term_len(p, p->defindent);
                   1756:                break;
1.1       kristaps 1757:        default:
                   1758:                break;
                   1759:        }
                   1760:
                   1761:        return(1);
                   1762: }
                   1763:
                   1764: static void
                   1765: termp_ss_post(DECL_ARGS)
                   1766: {
                   1767:
1.274     schwarze 1768:        if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1       kristaps 1769:                term_newln(p);
                   1770: }
                   1771:
                   1772: static int
                   1773: termp_cd_pre(DECL_ARGS)
                   1774: {
                   1775:
1.143     kristaps 1776:        synopsis_pre(p, n);
1.102     kristaps 1777:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1778:        return(1);
                   1779: }
                   1780:
                   1781: static int
                   1782: termp_in_pre(DECL_ARGS)
                   1783: {
1.142     schwarze 1784:
1.143     kristaps 1785:        synopsis_pre(p, n);
1.1       kristaps 1786:
1.160     kristaps 1787:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1788:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1789:                term_word(p, "#include");
1.138     kristaps 1790:                term_word(p, "<");
                   1791:        } else {
                   1792:                term_word(p, "<");
                   1793:                term_fontpush(p, TERMFONT_UNDER);
                   1794:        }
1.22      kristaps 1795:
1.1       kristaps 1796:        p->flags |= TERMP_NOSPACE;
                   1797:        return(1);
                   1798: }
                   1799:
                   1800: static void
                   1801: termp_in_post(DECL_ARGS)
                   1802: {
                   1803:
1.160     kristaps 1804:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1805:                term_fontpush(p, TERMFONT_BOLD);
                   1806:
1.79      kristaps 1807:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1808:        term_word(p, ">");
                   1809:
1.160     kristaps 1810:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1811:                term_fontpop(p);
1.1       kristaps 1812: }
                   1813:
                   1814: static int
1.45      kristaps 1815: termp_sp_pre(DECL_ARGS)
                   1816: {
1.91      kristaps 1817:        size_t           i, len;
1.45      kristaps 1818:
1.86      kristaps 1819:        switch (n->tok) {
1.264     schwarze 1820:        case MDOC_sp:
1.157     kristaps 1821:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1822:                break;
1.264     schwarze 1823:        case MDOC_br:
1.76      kristaps 1824:                len = 0;
                   1825:                break;
                   1826:        default:
                   1827:                len = 1;
                   1828:                break;
1.45      kristaps 1829:        }
                   1830:
                   1831:        if (0 == len)
                   1832:                term_newln(p);
                   1833:        for (i = 0; i < len; i++)
                   1834:                term_vspace(p);
                   1835:
                   1836:        return(0);
                   1837: }
                   1838:
                   1839: static int
1.294     schwarze 1840: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1841: {
                   1842:
                   1843:        return(0);
                   1844: }
                   1845:
                   1846: static int
1.188     kristaps 1847: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1848: {
                   1849:
1.203     kristaps 1850:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1851:                return(1);
                   1852:
1.188     kristaps 1853:        switch (n->tok) {
1.264     schwarze 1854:        case MDOC_Ao:
1.188     kristaps 1855:                /* FALLTHROUGH */
1.264     schwarze 1856:        case MDOC_Aq:
1.291     schwarze 1857:                term_word(p, n->parent->prev != NULL &&
                   1858:                    n->parent->prev->tok == MDOC_An ?  "<" : "\\(la");
1.188     kristaps 1859:                break;
1.264     schwarze 1860:        case MDOC_Bro:
1.188     kristaps 1861:                /* FALLTHROUGH */
1.264     schwarze 1862:        case MDOC_Brq:
1.188     kristaps 1863:                term_word(p, "{");
                   1864:                break;
1.264     schwarze 1865:        case MDOC_Oo:
1.188     kristaps 1866:                /* FALLTHROUGH */
1.264     schwarze 1867:        case MDOC_Op:
1.188     kristaps 1868:                /* FALLTHROUGH */
1.264     schwarze 1869:        case MDOC_Bo:
1.188     kristaps 1870:                /* FALLTHROUGH */
1.264     schwarze 1871:        case MDOC_Bq:
1.188     kristaps 1872:                term_word(p, "[");
                   1873:                break;
1.264     schwarze 1874:        case MDOC_Do:
1.188     kristaps 1875:                /* FALLTHROUGH */
1.264     schwarze 1876:        case MDOC_Dq:
1.249     schwarze 1877:                term_word(p, "\\(lq");
1.188     kristaps 1878:                break;
1.268     schwarze 1879:        case MDOC_En:
                   1880:                if (NULL == n->norm->Es ||
                   1881:                    NULL == n->norm->Es->child)
                   1882:                        return(1);
                   1883:                term_word(p, n->norm->Es->child->string);
                   1884:                break;
1.264     schwarze 1885:        case MDOC_Eo:
1.237     schwarze 1886:                break;
1.264     schwarze 1887:        case MDOC_Po:
1.188     kristaps 1888:                /* FALLTHROUGH */
1.264     schwarze 1889:        case MDOC_Pq:
1.188     kristaps 1890:                term_word(p, "(");
                   1891:                break;
1.264     schwarze 1892:        case MDOC__T:
1.205     kristaps 1893:                /* FALLTHROUGH */
1.264     schwarze 1894:        case MDOC_Qo:
1.188     kristaps 1895:                /* FALLTHROUGH */
1.264     schwarze 1896:        case MDOC_Qq:
1.188     kristaps 1897:                term_word(p, "\"");
                   1898:                break;
1.264     schwarze 1899:        case MDOC_Ql:
1.188     kristaps 1900:                /* FALLTHROUGH */
1.264     schwarze 1901:        case MDOC_So:
1.188     kristaps 1902:                /* FALLTHROUGH */
1.264     schwarze 1903:        case MDOC_Sq:
1.249     schwarze 1904:                term_word(p, "\\(oq");
1.188     kristaps 1905:                break;
                   1906:        default:
                   1907:                abort();
                   1908:                /* NOTREACHED */
                   1909:        }
1.1       kristaps 1910:
                   1911:        p->flags |= TERMP_NOSPACE;
                   1912:        return(1);
                   1913: }
                   1914:
                   1915: static void
1.188     kristaps 1916: termp_quote_post(DECL_ARGS)
1.1       kristaps 1917: {
                   1918:
1.295     schwarze 1919:        if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1       kristaps 1920:                return;
                   1921:
1.295     schwarze 1922:        if ( ! (n->tok == MDOC_En ||
                   1923:            (n->tok == MDOC_Eo && n->end == ENDBODY_SPACE)))
1.268     schwarze 1924:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1925:
1.188     kristaps 1926:        switch (n->tok) {
1.264     schwarze 1927:        case MDOC_Ao:
1.188     kristaps 1928:                /* FALLTHROUGH */
1.264     schwarze 1929:        case MDOC_Aq:
1.291     schwarze 1930:                term_word(p, n->parent->prev != NULL &&
                   1931:                    n->parent->prev->tok == MDOC_An ?  ">" : "\\(ra");
1.188     kristaps 1932:                break;
1.264     schwarze 1933:        case MDOC_Bro:
1.188     kristaps 1934:                /* FALLTHROUGH */
1.264     schwarze 1935:        case MDOC_Brq:
1.188     kristaps 1936:                term_word(p, "}");
                   1937:                break;
1.264     schwarze 1938:        case MDOC_Oo:
1.188     kristaps 1939:                /* FALLTHROUGH */
1.264     schwarze 1940:        case MDOC_Op:
1.188     kristaps 1941:                /* FALLTHROUGH */
1.264     schwarze 1942:        case MDOC_Bo:
1.188     kristaps 1943:                /* FALLTHROUGH */
1.264     schwarze 1944:        case MDOC_Bq:
1.188     kristaps 1945:                term_word(p, "]");
                   1946:                break;
1.264     schwarze 1947:        case MDOC_Do:
1.188     kristaps 1948:                /* FALLTHROUGH */
1.264     schwarze 1949:        case MDOC_Dq:
1.249     schwarze 1950:                term_word(p, "\\(rq");
1.268     schwarze 1951:                break;
                   1952:        case MDOC_En:
                   1953:                if (NULL != n->norm->Es &&
                   1954:                    NULL != n->norm->Es->child &&
                   1955:                    NULL != n->norm->Es->child->next) {
                   1956:                        p->flags |= TERMP_NOSPACE;
                   1957:                        term_word(p, n->norm->Es->child->next->string);
                   1958:                }
1.237     schwarze 1959:                break;
1.264     schwarze 1960:        case MDOC_Eo:
1.188     kristaps 1961:                break;
1.264     schwarze 1962:        case MDOC_Po:
1.188     kristaps 1963:                /* FALLTHROUGH */
1.264     schwarze 1964:        case MDOC_Pq:
1.188     kristaps 1965:                term_word(p, ")");
                   1966:                break;
1.264     schwarze 1967:        case MDOC__T:
1.205     kristaps 1968:                /* FALLTHROUGH */
1.264     schwarze 1969:        case MDOC_Qo:
1.188     kristaps 1970:                /* FALLTHROUGH */
1.264     schwarze 1971:        case MDOC_Qq:
1.188     kristaps 1972:                term_word(p, "\"");
                   1973:                break;
1.264     schwarze 1974:        case MDOC_Ql:
1.188     kristaps 1975:                /* FALLTHROUGH */
1.264     schwarze 1976:        case MDOC_So:
1.188     kristaps 1977:                /* FALLTHROUGH */
1.264     schwarze 1978:        case MDOC_Sq:
1.249     schwarze 1979:                term_word(p, "\\(cq");
1.188     kristaps 1980:                break;
                   1981:        default:
                   1982:                abort();
                   1983:                /* NOTREACHED */
                   1984:        }
1.1       kristaps 1985: }
                   1986:
                   1987: static int
                   1988: termp_fo_pre(DECL_ARGS)
                   1989: {
1.257     schwarze 1990:        size_t           rmargin = 0;
1.256     schwarze 1991:        int              pretty;
                   1992:
                   1993:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1994:
1.141     kristaps 1995:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 1996:                synopsis_pre(p, n);
1.141     kristaps 1997:                return(1);
                   1998:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 1999:                if (pretty) {
                   2000:                        rmargin = p->rmargin;
1.257     schwarze 2001:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2002:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2003:                                        TERMP_HANG;
1.256     schwarze 2004:                }
1.33      kristaps 2005:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2006:                term_word(p, "(");
1.222     kristaps 2007:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2008:                if (pretty) {
                   2009:                        term_flushln(p);
1.263     schwarze 2010:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2011:                                        TERMP_HANG);
1.256     schwarze 2012:                        p->offset = p->rmargin;
                   2013:                        p->rmargin = rmargin;
                   2014:                }
1.1       kristaps 2015:                return(1);
1.256     schwarze 2016:        }
1.141     kristaps 2017:
1.169     kristaps 2018:        if (NULL == n->child)
                   2019:                return(0);
                   2020:
1.141     kristaps 2021:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2022:
1.141     kristaps 2023:        assert(n->child->string);
1.102     kristaps 2024:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2025:        term_word(p, n->child->string);
1.1       kristaps 2026:        return(0);
                   2027: }
                   2028:
                   2029: static void
                   2030: termp_fo_post(DECL_ARGS)
                   2031: {
                   2032:
1.264     schwarze 2033:        if (MDOC_BODY != n->type)
1.143     kristaps 2034:                return;
                   2035:
1.222     kristaps 2036:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2037:        term_word(p, ")");
                   2038:
1.222     kristaps 2039:        if (MDOC_SYNPRETTY & n->flags) {
                   2040:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2041:                term_word(p, ";");
1.256     schwarze 2042:                term_flushln(p);
1.222     kristaps 2043:        }
1.1       kristaps 2044: }
                   2045:
                   2046: static int
                   2047: termp_bf_pre(DECL_ARGS)
                   2048: {
                   2049:
1.86      kristaps 2050:        if (MDOC_HEAD == n->type)
1.1       kristaps 2051:                return(0);
1.244     schwarze 2052:        else if (MDOC_BODY != n->type)
1.1       kristaps 2053:                return(1);
                   2054:
1.264     schwarze 2055:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2056:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2057:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2058:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2059:        else
1.102     kristaps 2060:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2061:
                   2062:        return(1);
                   2063: }
                   2064:
                   2065: static int
                   2066: termp_sm_pre(DECL_ARGS)
                   2067: {
                   2068:
1.269     schwarze 2069:        if (NULL == n->child)
                   2070:                p->flags ^= TERMP_NONOSPACE;
                   2071:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2072:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2073:        else
1.1       kristaps 2074:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2075:
                   2076:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2077:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2078:
                   2079:        return(0);
                   2080: }
                   2081:
                   2082: static int
                   2083: termp_ap_pre(DECL_ARGS)
                   2084: {
                   2085:
                   2086:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2087:        term_word(p, "'");
1.1       kristaps 2088:        p->flags |= TERMP_NOSPACE;
                   2089:        return(1);
                   2090: }
                   2091:
                   2092: static void
                   2093: termp____post(DECL_ARGS)
                   2094: {
1.184     kristaps 2095:
                   2096:        /*
                   2097:         * Handle lists of authors.  In general, print each followed by
                   2098:         * a comma.  Don't print the comma if there are only two
                   2099:         * authors.
                   2100:         */
                   2101:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2102:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2103:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2104:                                return;
1.1       kristaps 2105:
1.95      kristaps 2106:        /* TODO: %U. */
                   2107:
1.187     kristaps 2108:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2109:                return;
                   2110:
1.222     kristaps 2111:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2112:        if (NULL == n->next) {
                   2113:                term_word(p, ".");
                   2114:                p->flags |= TERMP_SENTENCE;
                   2115:        } else
                   2116:                term_word(p, ",");
1.1       kristaps 2117: }
                   2118:
                   2119: static int
1.102     kristaps 2120: termp_li_pre(DECL_ARGS)
                   2121: {
                   2122:
                   2123:        term_fontpush(p, TERMFONT_NONE);
                   2124:        return(1);
                   2125: }
                   2126:
                   2127: static int
1.1       kristaps 2128: termp_lk_pre(DECL_ARGS)
                   2129: {
1.240     schwarze 2130:        const struct mdoc_node *link, *descr;
1.1       kristaps 2131:
1.240     schwarze 2132:        if (NULL == (link = n->child))
                   2133:                return(0);
1.181     kristaps 2134:
1.240     schwarze 2135:        if (NULL != (descr = link->next)) {
                   2136:                term_fontpush(p, TERMFONT_UNDER);
                   2137:                while (NULL != descr) {
                   2138:                        term_word(p, descr->string);
                   2139:                        descr = descr->next;
                   2140:                }
                   2141:                p->flags |= TERMP_NOSPACE;
                   2142:                term_word(p, ":");
                   2143:                term_fontpop(p);
                   2144:        }
1.1       kristaps 2145:
1.102     kristaps 2146:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2147:        term_word(p, link->string);
1.102     kristaps 2148:        term_fontpop(p);
1.12      kristaps 2149:
1.1       kristaps 2150:        return(0);
                   2151: }
                   2152:
1.159     schwarze 2153: static int
                   2154: termp_bk_pre(DECL_ARGS)
                   2155: {
                   2156:
1.161     schwarze 2157:        switch (n->type) {
1.264     schwarze 2158:        case MDOC_BLOCK:
1.166     kristaps 2159:                break;
1.264     schwarze 2160:        case MDOC_HEAD:
1.161     schwarze 2161:                return(0);
1.264     schwarze 2162:        case MDOC_BODY:
1.200     schwarze 2163:                if (n->parent->args || 0 == n->prev->nchild)
                   2164:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2165:                break;
1.161     schwarze 2166:        default:
                   2167:                abort();
1.166     kristaps 2168:                /* NOTREACHED */
1.161     schwarze 2169:        }
1.166     kristaps 2170:
                   2171:        return(1);
1.159     schwarze 2172: }
                   2173:
                   2174: static void
                   2175: termp_bk_post(DECL_ARGS)
                   2176: {
                   2177:
1.253     schwarze 2178:        if (MDOC_BODY == n->type)
1.161     schwarze 2179:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2180: }
                   2181:
                   2182: static void
                   2183: termp__t_post(DECL_ARGS)
                   2184: {
                   2185:
                   2186:        /*
                   2187:         * If we're in an `Rs' and there's a journal present, then quote
                   2188:         * us instead of underlining us (for disambiguation).
                   2189:         */
1.217     schwarze 2190:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2191:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2192:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2193:
1.245     schwarze 2194:        termp____post(p, pair, meta, n);
1.203     kristaps 2195: }
                   2196:
                   2197: static int
                   2198: termp__t_pre(DECL_ARGS)
                   2199: {
                   2200:
                   2201:        /*
                   2202:         * If we're in an `Rs' and there's a journal present, then quote
                   2203:         * us instead of underlining us (for disambiguation).
                   2204:         */
                   2205:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2206:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2207:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2208:
                   2209:        term_fontpush(p, TERMFONT_UNDER);
                   2210:        return(1);
1.159     schwarze 2211: }
1.1       kristaps 2212:
                   2213: static int
1.69      kristaps 2214: termp_under_pre(DECL_ARGS)
1.1       kristaps 2215: {
                   2216:
1.102     kristaps 2217:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2218:        return(1);
                   2219: }

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