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Annotation of mandoc/mdoc_term.c, Revision 1.294

1.294   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.293 2014/11/25 20:00:01 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:
                    353:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    354:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  355:                                (p, &npair, meta, n);
1.217     schwarze  356:                break;
                    357:        }
                    358:
1.86      kristaps  359:        if (chld && n->child)
1.245     schwarze  360:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  361:
1.244     schwarze  362:        term_fontpopq(p,
                    363:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  364:
1.206     kristaps  365:        switch (n->type) {
1.264     schwarze  366:        case MDOC_TEXT:
1.206     kristaps  367:                break;
1.264     schwarze  368:        case MDOC_TBL:
1.216     kristaps  369:                break;
1.264     schwarze  370:        case MDOC_EQN:
1.206     kristaps  371:                break;
                    372:        default:
                    373:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    374:                        break;
1.245     schwarze  375:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  376:
                    377:                /*
                    378:                 * Explicit end tokens not only call the post
                    379:                 * handler, but also tell the respective block
                    380:                 * that it must not call the post handler again.
                    381:                 */
1.165     kristaps  382:                if (ENDBODY_NOT != n->end)
1.162     schwarze  383:                        n->pending->flags |= MDOC_ENDED;
                    384:
                    385:                /*
                    386:                 * End of line terminating an implicit block
                    387:                 * while an explicit block is still open.
                    388:                 * Continue the explicit block without spacing.
                    389:                 */
                    390:                if (ENDBODY_NOSPACE == n->end)
                    391:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  392:                break;
1.162     schwarze  393:        }
1.121     kristaps  394:
                    395:        if (MDOC_EOS & n->flags)
                    396:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  397:
1.260     schwarze  398:        if (MDOC_ll != n->tok) {
                    399:                p->offset = offset;
                    400:                p->rmargin = rmargin;
                    401:        }
1.1       kristaps  402: }
                    403:
1.3       kristaps  404: static void
1.145     kristaps  405: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  406: {
1.245     schwarze  407:        const struct mdoc_meta *meta;
1.292     schwarze  408:        size_t sz;
1.144     kristaps  409:
1.245     schwarze  410:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  411:
1.102     kristaps  412:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  413:
1.264     schwarze  414:        /*
1.9       kristaps  415:         * Output the footer in new-groff style, that is, three columns
                    416:         * with the middle being the manual date and flanking columns
                    417:         * being the operating system:
                    418:         *
                    419:         * SYSTEM                  DATE                    SYSTEM
                    420:         */
                    421:
1.1       kristaps  422:        term_vspace(p);
                    423:
1.9       kristaps  424:        p->offset = 0;
1.292     schwarze  425:        sz = term_strlen(p, meta->date);
                    426:        p->rmargin = p->maxrmargin > sz ?
                    427:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  428:        p->trailspace = 1;
1.1       kristaps  429:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    430:
1.245     schwarze  431:        term_word(p, meta->os);
1.1       kristaps  432:        term_flushln(p);
                    433:
1.9       kristaps  434:        p->offset = p->rmargin;
1.292     schwarze  435:        sz = term_strlen(p, meta->os);
                    436:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  437:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  438:
1.245     schwarze  439:        term_word(p, meta->date);
1.9       kristaps  440:        term_flushln(p);
                    441:
1.1       kristaps  442:        p->offset = p->rmargin;
                    443:        p->rmargin = p->maxrmargin;
1.250     schwarze  444:        p->trailspace = 0;
1.1       kristaps  445:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  446:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  447:
1.245     schwarze  448:        term_word(p, meta->os);
1.1       kristaps  449:        term_flushln(p);
                    450:
1.9       kristaps  451:        p->offset = 0;
                    452:        p->rmargin = p->maxrmargin;
                    453:        p->flags = 0;
1.1       kristaps  454: }
                    455:
1.3       kristaps  456: static void
1.144     kristaps  457: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  458: {
1.266     schwarze  459:        const struct mdoc_meta  *meta;
1.267     schwarze  460:        char                    *volume, *title;
                    461:        size_t                   vollen, titlen;
1.144     kristaps  462:
1.245     schwarze  463:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  464:
                    465:        /*
                    466:         * The header is strange.  It has three components, which are
                    467:         * really two with the first duplicated.  It goes like this:
                    468:         *
                    469:         * IDENTIFIER              TITLE                   IDENTIFIER
                    470:         *
                    471:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    472:         * (if given, or "unknown" if not) followed by the manual page
                    473:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    474:         * string depending on the manual volume.  If not specified, it
                    475:         * switches on the manual section.
                    476:         */
1.235     schwarze  477:
1.245     schwarze  478:        assert(meta->vol);
1.267     schwarze  479:        if (NULL == meta->arch)
                    480:                volume = mandoc_strdup(meta->vol);
                    481:        else
                    482:                mandoc_asprintf(&volume, "%s (%s)",
                    483:                    meta->vol, meta->arch);
                    484:        vollen = term_strlen(p, volume);
1.1       kristaps  485:
1.275     schwarze  486:        if (NULL == meta->msec)
                    487:                title = mandoc_strdup(meta->title);
                    488:        else
                    489:                mandoc_asprintf(&title, "%s(%s)",
                    490:                    meta->title, meta->msec);
1.235     schwarze  491:        titlen = term_strlen(p, title);
1.1       kristaps  492:
1.235     schwarze  493:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  494:        p->trailspace = 1;
1.1       kristaps  495:        p->offset = 0;
1.267     schwarze  496:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    497:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  498:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  499:
                    500:        term_word(p, title);
                    501:        term_flushln(p);
                    502:
1.235     schwarze  503:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  504:        p->offset = p->rmargin;
1.267     schwarze  505:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  506:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  507:
1.267     schwarze  508:        term_word(p, volume);
1.1       kristaps  509:        term_flushln(p);
                    510:
                    511:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  512:        p->trailspace = 0;
1.235     schwarze  513:        if (p->rmargin + titlen <= p->maxrmargin) {
                    514:                p->flags |= TERMP_NOSPACE;
                    515:                p->offset = p->rmargin;
                    516:                p->rmargin = p->maxrmargin;
                    517:                term_word(p, title);
                    518:                term_flushln(p);
                    519:        }
1.1       kristaps  520:
1.235     schwarze  521:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  522:        p->offset = 0;
1.1       kristaps  523:        p->rmargin = p->maxrmargin;
1.266     schwarze  524:        free(title);
1.267     schwarze  525:        free(volume);
1.1       kristaps  526: }
                    527:
                    528: static size_t
1.157     kristaps  529: a2height(const struct termp *p, const char *v)
1.1       kristaps  530: {
1.92      kristaps  531:        struct roffsu    su;
1.91      kristaps  532:
1.231     kristaps  533:
1.157     kristaps  534:        assert(v);
                    535:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  536:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  537:
1.157     kristaps  538:        return(term_vspan(p, &su));
1.91      kristaps  539: }
1.1       kristaps  540:
1.91      kristaps  541: static size_t
1.157     kristaps  542: a2width(const struct termp *p, const char *v)
1.91      kristaps  543: {
1.92      kristaps  544:        struct roffsu    su;
1.1       kristaps  545:
1.154     kristaps  546:        assert(v);
1.283     schwarze  547:        if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157     kristaps  548:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  549:                su.scale /= term_strlen(p, "0");
                    550:        }
1.1       kristaps  551:
1.157     kristaps  552:        return(term_hspan(p, &su));
1.1       kristaps  553: }
                    554:
1.108     kristaps  555: /*
                    556:  * Determine how much space to print out before block elements of `It'
                    557:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    558:  * too.
                    559:  */
1.54      kristaps  560: static void
1.264     schwarze  561: print_bvspace(struct termp *p,
                    562:        const struct mdoc_node *bl,
                    563:        const struct mdoc_node *n)
1.1       kristaps  564: {
1.86      kristaps  565:        const struct mdoc_node  *nn;
1.236     schwarze  566:
                    567:        assert(n);
1.1       kristaps  568:
                    569:        term_newln(p);
1.150     kristaps  570:
1.202     kristaps  571:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  572:                return;
1.202     kristaps  573:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  574:                return;
                    575:
1.85      kristaps  576:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  577:
1.289     schwarze  578:        nn = n;
                    579:        while (nn->prev == NULL) {
                    580:                do {
                    581:                        nn = nn->parent;
                    582:                        if (nn->type == MDOC_ROOT)
                    583:                                return;
                    584:                } while (nn->type != MDOC_BLOCK);
                    585:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  586:                        return;
1.289     schwarze  587:                if (nn->tok == MDOC_It &&
                    588:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    589:                        break;
1.1       kristaps  590:        }
                    591:
1.85      kristaps  592:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  593:
1.202     kristaps  594:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  595:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  596:                        return;
                    597:
1.85      kristaps  598:        /* A `-diag' without body does not vspace. */
                    599:
1.202     kristaps  600:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  601:                if (n->prev && MDOC_It == n->prev->tok) {
                    602:                        assert(n->prev->body);
                    603:                        if (NULL == n->prev->body->child)
1.55      kristaps  604:                                return;
                    605:                }
                    606:
1.54      kristaps  607:        term_vspace(p);
1.260     schwarze  608: }
                    609:
                    610:
                    611: static int
                    612: termp_ll_pre(DECL_ARGS)
                    613: {
                    614:
1.261     schwarze  615:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  616:        return(0);
1.1       kristaps  617: }
                    618:
                    619: static int
                    620: termp_it_pre(DECL_ARGS)
                    621: {
1.86      kristaps  622:        const struct mdoc_node *bl, *nn;
1.265     schwarze  623:        char                    buf[24];
1.264     schwarze  624:        int                     i;
                    625:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  626:        enum mdoc_list          type;
1.1       kristaps  627:
1.86      kristaps  628:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  629:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  630:                return(1);
                    631:        }
1.1       kristaps  632:
1.86      kristaps  633:        bl = n->parent->parent->parent;
1.202     kristaps  634:        type = bl->norm->Bl.type;
1.1       kristaps  635:
1.264     schwarze  636:        /*
1.108     kristaps  637:         * First calculate width and offset.  This is pretty easy unless
                    638:         * we're a -column list, in which case all prior columns must
                    639:         * be accounted for.
                    640:         */
                    641:
                    642:        width = offset = 0;
                    643:
1.202     kristaps  644:        if (bl->norm->Bl.offs)
1.288     schwarze  645:                offset = a2width(p, bl->norm->Bl.offs);
1.152     kristaps  646:
1.1       kristaps  647:        switch (type) {
1.264     schwarze  648:        case LIST_column:
1.134     kristaps  649:                if (MDOC_HEAD == n->type)
1.1       kristaps  650:                        break;
1.155     kristaps  651:
1.105     kristaps  652:                /*
1.108     kristaps  653:                 * Imitate groff's column handling:
                    654:                 * - For each earlier column, add its width.
                    655:                 * - For less than 5 columns, add four more blanks per
                    656:                 *   column.
                    657:                 * - For exactly 5 columns, add three more blank per
                    658:                 *   column.
                    659:                 * - For more than 5 columns, add only one column.
1.105     kristaps  660:                 */
1.202     kristaps  661:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  662:                dcol = ncols < 5 ? term_len(p, 4) :
                    663:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  664:
1.134     kristaps  665:                /*
                    666:                 * Calculate the offset by applying all prior MDOC_BODY,
                    667:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    668:                 */
                    669:
1.264     schwarze  670:                for (i = 0, nn = n->prev;
                    671:                    nn->prev && i < (int)ncols;
                    672:                    nn = nn->prev, i++)
                    673:                        offset += dcol + a2width(p,
                    674:                            bl->norm->Bl.cols[i]);
1.105     kristaps  675:
                    676:                /*
1.108     kristaps  677:                 * When exceeding the declared number of columns, leave
                    678:                 * the remaining widths at 0.  This will later be
                    679:                 * adjusted to the default width of 10, or, for the last
                    680:                 * column, stretched to the right margin.
1.58      kristaps  681:                 */
1.108     kristaps  682:                if (i >= (int)ncols)
                    683:                        break;
1.58      kristaps  684:
1.105     kristaps  685:                /*
1.108     kristaps  686:                 * Use the declared column widths, extended as explained
                    687:                 * in the preceding paragraph.
1.105     kristaps  688:                 */
1.202     kristaps  689:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  690:                break;
                    691:        default:
1.202     kristaps  692:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  693:                        break;
                    694:
1.264     schwarze  695:                /*
1.108     kristaps  696:                 * Note: buffer the width by 2, which is groff's magic
                    697:                 * number for buffering single arguments.  See the above
                    698:                 * handling for column for how this changes.
                    699:                 */
1.202     kristaps  700:                assert(bl->norm->Bl.width);
                    701:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  702:                break;
                    703:        }
                    704:
1.264     schwarze  705:        /*
1.1       kristaps  706:         * List-type can override the width in the case of fixed-head
                    707:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  708:         * offset.
1.1       kristaps  709:         */
                    710:
                    711:        switch (type) {
1.264     schwarze  712:        case LIST_bullet:
1.1       kristaps  713:                /* FALLTHROUGH */
1.264     schwarze  714:        case LIST_dash:
1.1       kristaps  715:                /* FALLTHROUGH */
1.264     schwarze  716:        case LIST_hyphen:
1.242     schwarze  717:                /* FALLTHROUGH */
1.264     schwarze  718:        case LIST_enum:
1.242     schwarze  719:                if (width < term_len(p, 2))
                    720:                        width = term_len(p, 2);
1.17      kristaps  721:                break;
1.264     schwarze  722:        case LIST_hang:
1.39      kristaps  723:                if (0 == width)
1.157     kristaps  724:                        width = term_len(p, 8);
1.39      kristaps  725:                break;
1.264     schwarze  726:        case LIST_column:
1.49      kristaps  727:                /* FALLTHROUGH */
1.264     schwarze  728:        case LIST_tag:
1.1       kristaps  729:                if (0 == width)
1.157     kristaps  730:                        width = term_len(p, 10);
1.1       kristaps  731:                break;
                    732:        default:
                    733:                break;
                    734:        }
                    735:
1.264     schwarze  736:        /*
1.17      kristaps  737:         * Whitespace control.  Inset bodies need an initial space,
                    738:         * while diagonal bodies need two.
1.1       kristaps  739:         */
                    740:
1.51      kristaps  741:        p->flags |= TERMP_NOSPACE;
                    742:
1.1       kristaps  743:        switch (type) {
1.264     schwarze  744:        case LIST_diag:
1.86      kristaps  745:                if (MDOC_BODY == n->type)
1.62      kristaps  746:                        term_word(p, "\\ \\ ");
1.51      kristaps  747:                break;
1.264     schwarze  748:        case LIST_inset:
1.270     schwarze  749:                if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51      kristaps  750:                        term_word(p, "\\ ");
1.1       kristaps  751:                break;
                    752:        default:
                    753:                break;
                    754:        }
                    755:
1.51      kristaps  756:        p->flags |= TERMP_NOSPACE;
                    757:
1.1       kristaps  758:        switch (type) {
1.264     schwarze  759:        case LIST_diag:
1.86      kristaps  760:                if (MDOC_HEAD == n->type)
1.102     kristaps  761:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  762:                break;
                    763:        default:
                    764:                break;
                    765:        }
                    766:
                    767:        /*
1.109     kristaps  768:         * Pad and break control.  This is the tricky part.  These flags
                    769:         * are documented in term_flushln() in term.c.  Note that we're
                    770:         * going to unset all of these flags in termp_it_post() when we
                    771:         * exit.
1.1       kristaps  772:         */
                    773:
                    774:        switch (type) {
1.264     schwarze  775:        case LIST_enum:
1.242     schwarze  776:                /*
                    777:                 * Weird special case.
                    778:                 * Very narrow enum lists actually hang.
                    779:                 */
                    780:                if (width == term_len(p, 2))
                    781:                        p->flags |= TERMP_HANG;
                    782:                /* FALLTHROUGH */
1.264     schwarze  783:        case LIST_bullet:
1.1       kristaps  784:                /* FALLTHROUGH */
1.264     schwarze  785:        case LIST_dash:
1.1       kristaps  786:                /* FALLTHROUGH */
1.264     schwarze  787:        case LIST_hyphen:
1.250     schwarze  788:                if (MDOC_HEAD != n->type)
                    789:                        break;
                    790:                p->flags |= TERMP_NOBREAK;
                    791:                p->trailspace = 1;
1.39      kristaps  792:                break;
1.264     schwarze  793:        case LIST_hang:
1.250     schwarze  794:                if (MDOC_HEAD != n->type)
1.59      kristaps  795:                        break;
                    796:
                    797:                /*
                    798:                 * This is ugly.  If `-hang' is specified and the body
                    799:                 * is a `Bl' or `Bd', then we want basically to nullify
                    800:                 * the "overstep" effect in term_flushln() and treat
                    801:                 * this as a `-ohang' list instead.
                    802:                 */
1.279     schwarze  803:                if (NULL != n->next &&
1.278     schwarze  804:                    NULL != n->next->child &&
                    805:                    (MDOC_Bl == n->next->child->tok ||
                    806:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  807:                        break;
                    808:
1.263     schwarze  809:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  810:                p->trailspace = 1;
1.39      kristaps  811:                break;
1.264     schwarze  812:        case LIST_tag:
1.86      kristaps  813:                if (MDOC_HEAD != n->type)
1.39      kristaps  814:                        break;
1.250     schwarze  815:
1.263     schwarze  816:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  817:                p->trailspace = 2;
                    818:
1.86      kristaps  819:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  820:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  821:                break;
1.264     schwarze  822:        case LIST_column:
1.134     kristaps  823:                if (MDOC_HEAD == n->type)
                    824:                        break;
                    825:
1.250     schwarze  826:                if (NULL == n->next) {
1.134     kristaps  827:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  828:                        p->trailspace = 0;
                    829:                } else {
1.134     kristaps  830:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  831:                        p->trailspace = 1;
                    832:                }
1.134     kristaps  833:
1.1       kristaps  834:                break;
1.264     schwarze  835:        case LIST_diag:
1.250     schwarze  836:                if (MDOC_HEAD != n->type)
                    837:                        break;
1.263     schwarze  838:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  839:                p->trailspace = 1;
1.1       kristaps  840:                break;
                    841:        default:
                    842:                break;
                    843:        }
                    844:
1.264     schwarze  845:        /*
1.1       kristaps  846:         * Margin control.  Set-head-width lists have their right
                    847:         * margins shortened.  The body for these lists has the offset
                    848:         * necessarily lengthened.  Everybody gets the offset.
                    849:         */
                    850:
                    851:        p->offset += offset;
                    852:
                    853:        switch (type) {
1.264     schwarze  854:        case LIST_hang:
1.59      kristaps  855:                /*
                    856:                 * Same stipulation as above, regarding `-hang'.  We
                    857:                 * don't want to recalculate rmargin and offsets when
                    858:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    859:                 */
1.279     schwarze  860:                if (MDOC_HEAD == n->type &&
                    861:                    NULL != n->next &&
1.278     schwarze  862:                    NULL != n->next->child &&
                    863:                    (MDOC_Bl == n->next->child->tok ||
                    864:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  865:                        break;
                    866:                /* FALLTHROUGH */
1.264     schwarze  867:        case LIST_bullet:
1.1       kristaps  868:                /* FALLTHROUGH */
1.264     schwarze  869:        case LIST_dash:
1.1       kristaps  870:                /* FALLTHROUGH */
1.264     schwarze  871:        case LIST_enum:
1.1       kristaps  872:                /* FALLTHROUGH */
1.264     schwarze  873:        case LIST_hyphen:
1.1       kristaps  874:                /* FALLTHROUGH */
1.264     schwarze  875:        case LIST_tag:
1.49      kristaps  876:                assert(width);
1.86      kristaps  877:                if (MDOC_HEAD == n->type)
1.1       kristaps  878:                        p->rmargin = p->offset + width;
1.292     schwarze  879:                else
1.1       kristaps  880:                        p->offset += width;
                    881:                break;
1.264     schwarze  882:        case LIST_column:
1.49      kristaps  883:                assert(width);
1.1       kristaps  884:                p->rmargin = p->offset + width;
1.264     schwarze  885:                /*
1.50      kristaps  886:                 * XXX - this behaviour is not documented: the
                    887:                 * right-most column is filled to the right margin.
                    888:                 */
1.134     kristaps  889:                if (MDOC_HEAD == n->type)
                    890:                        break;
                    891:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  892:                        p->rmargin = p->maxrmargin;
1.1       kristaps  893:                break;
                    894:        default:
                    895:                break;
                    896:        }
                    897:
1.264     schwarze  898:        /*
1.1       kristaps  899:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  900:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  901:         */
                    902:
1.86      kristaps  903:        if (MDOC_HEAD == n->type)
1.1       kristaps  904:                switch (type) {
1.264     schwarze  905:                case LIST_bullet:
1.102     kristaps  906:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  907:                        term_word(p, "\\[bu]");
1.102     kristaps  908:                        term_fontpop(p);
1.1       kristaps  909:                        break;
1.264     schwarze  910:                case LIST_dash:
1.1       kristaps  911:                        /* FALLTHROUGH */
1.264     schwarze  912:                case LIST_hyphen:
1.102     kristaps  913:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  914:                        term_word(p, "\\(hy");
1.102     kristaps  915:                        term_fontpop(p);
1.1       kristaps  916:                        break;
1.264     schwarze  917:                case LIST_enum:
1.1       kristaps  918:                        (pair->ppair->ppair->count)++;
1.265     schwarze  919:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  920:                            pair->ppair->ppair->count);
1.1       kristaps  921:                        term_word(p, buf);
                    922:                        break;
                    923:                default:
                    924:                        break;
                    925:                }
                    926:
1.264     schwarze  927:        /*
1.1       kristaps  928:         * If we're not going to process our children, indicate so here.
                    929:         */
                    930:
                    931:        switch (type) {
1.264     schwarze  932:        case LIST_bullet:
1.1       kristaps  933:                /* FALLTHROUGH */
1.264     schwarze  934:        case LIST_item:
1.1       kristaps  935:                /* FALLTHROUGH */
1.264     schwarze  936:        case LIST_dash:
1.1       kristaps  937:                /* FALLTHROUGH */
1.264     schwarze  938:        case LIST_hyphen:
1.1       kristaps  939:                /* FALLTHROUGH */
1.264     schwarze  940:        case LIST_enum:
1.86      kristaps  941:                if (MDOC_HEAD == n->type)
1.1       kristaps  942:                        return(0);
                    943:                break;
1.264     schwarze  944:        case LIST_column:
1.134     kristaps  945:                if (MDOC_HEAD == n->type)
1.1       kristaps  946:                        return(0);
                    947:                break;
                    948:        default:
                    949:                break;
                    950:        }
                    951:
                    952:        return(1);
                    953: }
                    954:
                    955: static void
                    956: termp_it_post(DECL_ARGS)
                    957: {
1.126     kristaps  958:        enum mdoc_list     type;
1.1       kristaps  959:
1.109     kristaps  960:        if (MDOC_BLOCK == n->type)
1.1       kristaps  961:                return;
                    962:
1.202     kristaps  963:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  964:
                    965:        switch (type) {
1.264     schwarze  966:        case LIST_item:
1.1       kristaps  967:                /* FALLTHROUGH */
1.264     schwarze  968:        case LIST_diag:
1.53      kristaps  969:                /* FALLTHROUGH */
1.264     schwarze  970:        case LIST_inset:
1.86      kristaps  971:                if (MDOC_BODY == n->type)
1.130     schwarze  972:                        term_newln(p);
1.1       kristaps  973:                break;
1.264     schwarze  974:        case LIST_column:
1.134     kristaps  975:                if (MDOC_BODY == n->type)
1.1       kristaps  976:                        term_flushln(p);
                    977:                break;
                    978:        default:
1.130     schwarze  979:                term_newln(p);
1.1       kristaps  980:                break;
                    981:        }
                    982:
1.264     schwarze  983:        /*
1.109     kristaps  984:         * Now that our output is flushed, we can reset our tags.  Since
                    985:         * only `It' sets these flags, we're free to assume that nobody
                    986:         * has munged them in the meanwhile.
                    987:         */
                    988:
1.263     schwarze  989:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                    990:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  991:        p->trailspace = 0;
1.1       kristaps  992: }
                    993:
                    994: static int
                    995: termp_nm_pre(DECL_ARGS)
                    996: {
                    997:
1.253     schwarze  998:        if (MDOC_BLOCK == n->type) {
                    999:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1000:                return(1);
1.253     schwarze 1001:        }
1.164     schwarze 1002:
                   1003:        if (MDOC_BODY == n->type) {
                   1004:                if (NULL == n->child)
                   1005:                        return(0);
1.234     schwarze 1006:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1007:                p->offset += term_len(p, 1) +
1.245     schwarze 1008:                    (NULL == n->prev->child ?
                   1009:                     term_strlen(p, meta->name) :
1.164     schwarze 1010:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1011:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1012:                     term_len(p, 5));
                   1013:                return(1);
                   1014:        }
                   1015:
1.245     schwarze 1016:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1017:                return(0);
1.125     kristaps 1018:
1.177     schwarze 1019:        if (MDOC_HEAD == n->type)
                   1020:                synopsis_pre(p, n->parent);
1.102     kristaps 1021:
1.279     schwarze 1022:        if (MDOC_HEAD == n->type &&
1.278     schwarze 1023:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1024:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1025:                p->trailspace = 1;
1.185     schwarze 1026:                p->rmargin = p->offset + term_len(p, 1);
                   1027:                if (NULL == n->child) {
1.245     schwarze 1028:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1029:                } else if (MDOC_TEXT == n->child->type) {
                   1030:                        p->rmargin += term_strlen(p, n->child->string);
                   1031:                        if (n->child->next)
                   1032:                                p->flags |= TERMP_HANG;
                   1033:                } else {
                   1034:                        p->rmargin += term_len(p, 5);
                   1035:                        p->flags |= TERMP_HANG;
                   1036:                }
1.164     schwarze 1037:        }
                   1038:
1.102     kristaps 1039:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1040:        if (NULL == n->child)
1.245     schwarze 1041:                term_word(p, meta->name);
1.1       kristaps 1042:        return(1);
                   1043: }
                   1044:
1.164     schwarze 1045: static void
                   1046: termp_nm_post(DECL_ARGS)
                   1047: {
                   1048:
1.253     schwarze 1049:        if (MDOC_BLOCK == n->type) {
                   1050:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279     schwarze 1051:        } else if (MDOC_HEAD == n->type &&
1.278     schwarze 1052:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1053:                term_flushln(p);
1.263     schwarze 1054:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1055:                p->trailspace = 0;
1.234     schwarze 1056:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1057:                term_flushln(p);
                   1058: }
                   1059:
1.1       kristaps 1060: static int
                   1061: termp_fl_pre(DECL_ARGS)
                   1062: {
                   1063:
1.102     kristaps 1064:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1065:        term_word(p, "\\-");
1.103     kristaps 1066:
1.280     schwarze 1067:        if ( ! (n->nchild == 0 &&
                   1068:            (n->next == NULL ||
                   1069:             n->next->type == MDOC_TEXT ||
                   1070:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1071:                p->flags |= TERMP_NOSPACE;
                   1072:
1.1       kristaps 1073:        return(1);
                   1074: }
                   1075:
                   1076: static int
1.184     kristaps 1077: termp__a_pre(DECL_ARGS)
                   1078: {
                   1079:
                   1080:        if (n->prev && MDOC__A == n->prev->tok)
                   1081:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1082:                        term_word(p, "and");
                   1083:
                   1084:        return(1);
                   1085: }
                   1086:
                   1087: static int
1.61      kristaps 1088: termp_an_pre(DECL_ARGS)
                   1089: {
                   1090:
1.282     schwarze 1091:        if (n->norm->An.auth == AUTH_split) {
                   1092:                p->flags &= ~TERMP_NOSPLIT;
                   1093:                p->flags |= TERMP_SPLIT;
                   1094:                return(0);
                   1095:        }
                   1096:        if (n->norm->An.auth == AUTH_nosplit) {
                   1097:                p->flags &= ~TERMP_SPLIT;
                   1098:                p->flags |= TERMP_NOSPLIT;
                   1099:                return(0);
                   1100:        }
1.61      kristaps 1101:
1.282     schwarze 1102:        if (n->child == NULL)
                   1103:                return(0);
1.264     schwarze 1104:
1.282     schwarze 1105:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1106:                term_newln(p);
                   1107:
1.282     schwarze 1108:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1109:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1110:
                   1111:        return(1);
                   1112: }
                   1113:
                   1114: static int
1.1       kristaps 1115: termp_ns_pre(DECL_ARGS)
                   1116: {
                   1117:
1.215     kristaps 1118:        if ( ! (MDOC_LINE & n->flags))
                   1119:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1120:        return(1);
                   1121: }
                   1122:
                   1123: static int
                   1124: termp_rs_pre(DECL_ARGS)
                   1125: {
                   1126:
1.86      kristaps 1127:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1128:                return(1);
1.86      kristaps 1129:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1130:                term_vspace(p);
                   1131:        return(1);
                   1132: }
                   1133:
                   1134: static int
                   1135: termp_rv_pre(DECL_ARGS)
                   1136: {
1.223     kristaps 1137:        int              nchild;
1.1       kristaps 1138:
                   1139:        term_newln(p);
                   1140:
1.223     kristaps 1141:        nchild = n->nchild;
1.273     schwarze 1142:        if (nchild > 0) {
                   1143:                term_word(p, "The");
1.224     kristaps 1144:
1.273     schwarze 1145:                for (n = n->child; n; n = n->next) {
                   1146:                        term_fontpush(p, TERMFONT_BOLD);
                   1147:                        term_word(p, n->string);
                   1148:                        term_fontpop(p);
1.223     kristaps 1149:
                   1150:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1151:                        term_word(p, "()");
                   1152:
                   1153:                        if (n->next == NULL)
                   1154:                                continue;
                   1155:
                   1156:                        if (nchild > 2) {
                   1157:                                p->flags |= TERMP_NOSPACE;
                   1158:                                term_word(p, ",");
                   1159:                        }
                   1160:                        if (n->next->next == NULL)
                   1161:                                term_word(p, "and");
1.223     kristaps 1162:                }
                   1163:
1.273     schwarze 1164:                if (nchild > 1)
                   1165:                        term_word(p, "functions return");
                   1166:                else
                   1167:                        term_word(p, "function returns");
                   1168:
                   1169:                term_word(p, "the value\\~0 if successful;");
                   1170:        } else
                   1171:                term_word(p, "Upon successful completion,"
                   1172:                    " the value\\~0 is returned;");
1.1       kristaps 1173:
1.273     schwarze 1174:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1175:            " and the global variable");
1.1       kristaps 1176:
1.102     kristaps 1177:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1178:        term_word(p, "errno");
1.102     kristaps 1179:        term_fontpop(p);
1.1       kristaps 1180:
1.264     schwarze 1181:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1182:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1183:
1.68      kristaps 1184:        return(0);
1.1       kristaps 1185: }
                   1186:
                   1187: static int
                   1188: termp_ex_pre(DECL_ARGS)
                   1189: {
1.224     kristaps 1190:        int              nchild;
1.1       kristaps 1191:
1.224     kristaps 1192:        term_newln(p);
1.68      kristaps 1193:        term_word(p, "The");
1.1       kristaps 1194:
1.224     kristaps 1195:        nchild = n->nchild;
                   1196:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1197:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1198:                term_word(p, n->string);
1.102     kristaps 1199:                term_fontpop(p);
1.224     kristaps 1200:
                   1201:                if (nchild > 2 && n->next) {
                   1202:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1203:                        term_word(p, ",");
1.224     kristaps 1204:                }
                   1205:
                   1206:                if (n->next && NULL == n->next->next)
                   1207:                        term_word(p, "and");
1.68      kristaps 1208:        }
                   1209:
1.224     kristaps 1210:        if (nchild > 1)
1.273     schwarze 1211:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1212:        else
1.273     schwarze 1213:                term_word(p, "utility exits\\~0");
1.68      kristaps 1214:
1.273     schwarze 1215:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1216:
1.131     kristaps 1217:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1218:        return(0);
1.1       kristaps 1219: }
                   1220:
                   1221: static int
                   1222: termp_nd_pre(DECL_ARGS)
                   1223: {
1.25      kristaps 1224:
1.86      kristaps 1225:        if (MDOC_BODY != n->type)
1.25      kristaps 1226:                return(1);
1.30      kristaps 1227:
1.27      kristaps 1228: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1229:        term_word(p, "\\(en");
1.23      kristaps 1230: #else
                   1231:        term_word(p, "\\(em");
                   1232: #endif
1.1       kristaps 1233:        return(1);
1.115     kristaps 1234: }
                   1235:
                   1236: static int
                   1237: termp_bl_pre(DECL_ARGS)
                   1238: {
                   1239:
                   1240:        return(MDOC_HEAD != n->type);
1.1       kristaps 1241: }
                   1242:
                   1243: static void
                   1244: termp_bl_post(DECL_ARGS)
                   1245: {
                   1246:
1.86      kristaps 1247:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1248:                term_newln(p);
                   1249: }
                   1250:
                   1251: static int
                   1252: termp_xr_pre(DECL_ARGS)
                   1253: {
                   1254:
1.225     kristaps 1255:        if (NULL == (n = n->child))
1.113     kristaps 1256:                return(0);
                   1257:
1.225     kristaps 1258:        assert(MDOC_TEXT == n->type);
                   1259:        term_word(p, n->string);
1.11      kristaps 1260:
1.264     schwarze 1261:        if (NULL == (n = n->next))
1.1       kristaps 1262:                return(0);
1.225     kristaps 1263:
1.1       kristaps 1264:        p->flags |= TERMP_NOSPACE;
                   1265:        term_word(p, "(");
1.222     kristaps 1266:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1267:
                   1268:        assert(MDOC_TEXT == n->type);
                   1269:        term_word(p, n->string);
                   1270:
1.222     kristaps 1271:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1272:        term_word(p, ")");
1.86      kristaps 1273:
1.1       kristaps 1274:        return(0);
                   1275: }
                   1276:
1.143     kristaps 1277: /*
                   1278:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1279:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1280:  * macro combos).
                   1281:  */
                   1282: static void
                   1283: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1284: {
1.264     schwarze 1285:        /*
1.143     kristaps 1286:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1287:         * exist, do nothing.
                   1288:         */
1.160     kristaps 1289:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1290:                return;
                   1291:
                   1292:        /*
                   1293:         * If we're the second in a pair of like elements, emit our
                   1294:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1295:         * case we soldier on.
                   1296:         */
1.264     schwarze 1297:        if (n->prev->tok == n->tok &&
                   1298:            MDOC_Ft != n->tok &&
                   1299:            MDOC_Fo != n->tok &&
                   1300:            MDOC_Fn != n->tok) {
1.143     kristaps 1301:                term_newln(p);
                   1302:                return;
                   1303:        }
                   1304:
                   1305:        /*
                   1306:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1307:         * another (or Fn/Fo, which we've let slip through) then assert
                   1308:         * vertical space, else only newline and move on.
                   1309:         */
                   1310:        switch (n->prev->tok) {
1.264     schwarze 1311:        case MDOC_Fd:
1.143     kristaps 1312:                /* FALLTHROUGH */
1.264     schwarze 1313:        case MDOC_Fn:
1.143     kristaps 1314:                /* FALLTHROUGH */
1.264     schwarze 1315:        case MDOC_Fo:
1.143     kristaps 1316:                /* FALLTHROUGH */
1.264     schwarze 1317:        case MDOC_In:
1.143     kristaps 1318:                /* FALLTHROUGH */
1.264     schwarze 1319:        case MDOC_Vt:
1.143     kristaps 1320:                term_vspace(p);
                   1321:                break;
1.264     schwarze 1322:        case MDOC_Ft:
1.143     kristaps 1323:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1324:                        term_vspace(p);
                   1325:                        break;
                   1326:                }
                   1327:                /* FALLTHROUGH */
                   1328:        default:
                   1329:                term_newln(p);
                   1330:                break;
                   1331:        }
                   1332: }
                   1333:
1.110     kristaps 1334: static int
                   1335: termp_vt_pre(DECL_ARGS)
                   1336: {
                   1337:
1.143     kristaps 1338:        if (MDOC_ELEM == n->type) {
                   1339:                synopsis_pre(p, n);
1.245     schwarze 1340:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1341:        } else if (MDOC_BLOCK == n->type) {
                   1342:                synopsis_pre(p, n);
                   1343:                return(1);
                   1344:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1345:                return(0);
                   1346:
1.245     schwarze 1347:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1348: }
                   1349:
1.1       kristaps 1350: static int
1.69      kristaps 1351: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1352: {
                   1353:
1.102     kristaps 1354:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1355:        return(1);
                   1356: }
                   1357:
1.143     kristaps 1358: static int
                   1359: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1360: {
                   1361:
1.143     kristaps 1362:        synopsis_pre(p, n);
1.245     schwarze 1363:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1364: }
                   1365:
1.241     schwarze 1366: static void
                   1367: termp_fd_post(DECL_ARGS)
                   1368: {
                   1369:
                   1370:        term_newln(p);
                   1371: }
                   1372:
1.1       kristaps 1373: static int
                   1374: termp_sh_pre(DECL_ARGS)
                   1375: {
1.85      kristaps 1376:
1.86      kristaps 1377:        switch (n->type) {
1.264     schwarze 1378:        case MDOC_BLOCK:
1.293     schwarze 1379:                /*
                   1380:                 * Vertical space before sections, except
                   1381:                 * when the previous section was empty.
                   1382:                 */
                   1383:                if (n->prev == NULL ||
                   1384:                    MDOC_Sh != n->prev->tok ||
                   1385:                    (n->prev->body != NULL &&
                   1386:                     n->prev->body->child != NULL))
                   1387:                        term_vspace(p);
1.65      kristaps 1388:                break;
1.264     schwarze 1389:        case MDOC_HEAD:
1.102     kristaps 1390:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1391:                break;
1.264     schwarze 1392:        case MDOC_BODY:
1.238     schwarze 1393:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1394:                if (SEC_AUTHORS == n->sec)
                   1395:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1396:                break;
                   1397:        default:
                   1398:                break;
                   1399:        }
                   1400:        return(1);
                   1401: }
                   1402:
                   1403: static void
                   1404: termp_sh_post(DECL_ARGS)
                   1405: {
                   1406:
1.86      kristaps 1407:        switch (n->type) {
1.264     schwarze 1408:        case MDOC_HEAD:
1.1       kristaps 1409:                term_newln(p);
                   1410:                break;
1.264     schwarze 1411:        case MDOC_BODY:
1.1       kristaps 1412:                term_newln(p);
                   1413:                p->offset = 0;
                   1414:                break;
                   1415:        default:
                   1416:                break;
                   1417:        }
                   1418: }
                   1419:
                   1420: static int
                   1421: termp_bt_pre(DECL_ARGS)
                   1422: {
                   1423:
                   1424:        term_word(p, "is currently in beta test.");
1.131     kristaps 1425:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1426:        return(0);
1.1       kristaps 1427: }
                   1428:
                   1429: static void
                   1430: termp_lb_post(DECL_ARGS)
                   1431: {
                   1432:
1.122     kristaps 1433:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1434:                term_newln(p);
1.1       kristaps 1435: }
                   1436:
                   1437: static int
                   1438: termp_ud_pre(DECL_ARGS)
                   1439: {
                   1440:
                   1441:        term_word(p, "currently under development.");
1.131     kristaps 1442:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1443:        return(0);
1.1       kristaps 1444: }
                   1445:
                   1446: static int
                   1447: termp_d1_pre(DECL_ARGS)
                   1448: {
                   1449:
1.86      kristaps 1450:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1451:                return(1);
                   1452:        term_newln(p);
1.238     schwarze 1453:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1454:        return(1);
                   1455: }
                   1456:
                   1457: static int
                   1458: termp_ft_pre(DECL_ARGS)
                   1459: {
                   1460:
1.141     kristaps 1461:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1462:        synopsis_pre(p, n);
1.102     kristaps 1463:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1464:        return(1);
                   1465: }
                   1466:
                   1467: static int
                   1468: termp_fn_pre(DECL_ARGS)
                   1469: {
1.257     schwarze 1470:        size_t           rmargin = 0;
1.226     kristaps 1471:        int              pretty;
                   1472:
                   1473:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1474:
1.143     kristaps 1475:        synopsis_pre(p, n);
1.139     kristaps 1476:
1.226     kristaps 1477:        if (NULL == (n = n->child))
                   1478:                return(0);
                   1479:
1.251     schwarze 1480:        if (pretty) {
                   1481:                rmargin = p->rmargin;
1.257     schwarze 1482:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1483:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1484:        }
                   1485:
1.226     kristaps 1486:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1487:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1488:        term_word(p, n->string);
1.102     kristaps 1489:        term_fontpop(p);
1.1       kristaps 1490:
1.251     schwarze 1491:        if (pretty) {
                   1492:                term_flushln(p);
1.263     schwarze 1493:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1494:                p->offset = p->rmargin;
                   1495:                p->rmargin = rmargin;
                   1496:        }
                   1497:
1.1       kristaps 1498:        p->flags |= TERMP_NOSPACE;
                   1499:        term_word(p, "(");
1.222     kristaps 1500:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1501:
1.226     kristaps 1502:        for (n = n->next; n; n = n->next) {
                   1503:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1504:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1505:                if (pretty)
                   1506:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1507:                term_word(p, n->string);
1.102     kristaps 1508:                term_fontpop(p);
                   1509:
1.226     kristaps 1510:                if (n->next) {
1.222     kristaps 1511:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1512:                        term_word(p, ",");
1.222     kristaps 1513:                }
1.1       kristaps 1514:        }
                   1515:
1.222     kristaps 1516:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1517:        term_word(p, ")");
                   1518:
1.226     kristaps 1519:        if (pretty) {
1.222     kristaps 1520:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1521:                term_word(p, ";");
1.251     schwarze 1522:                term_flushln(p);
1.222     kristaps 1523:        }
1.1       kristaps 1524:
                   1525:        return(0);
                   1526: }
                   1527:
                   1528: static int
                   1529: termp_fa_pre(DECL_ARGS)
                   1530: {
1.86      kristaps 1531:        const struct mdoc_node  *nn;
1.1       kristaps 1532:
1.86      kristaps 1533:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1534:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1535:                return(1);
                   1536:        }
                   1537:
1.86      kristaps 1538:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1539:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1540:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1541:                term_word(p, nn->string);
1.102     kristaps 1542:                term_fontpop(p);
                   1543:
1.256     schwarze 1544:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1545:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1546:                        term_word(p, ",");
1.222     kristaps 1547:                }
1.1       kristaps 1548:        }
                   1549:
                   1550:        return(0);
                   1551: }
                   1552:
                   1553: static int
                   1554: termp_bd_pre(DECL_ARGS)
                   1555: {
1.272     schwarze 1556:        size_t                   tabwidth, lm, len, rm, rmax;
1.244     schwarze 1557:        struct mdoc_node        *nn;
1.1       kristaps 1558:
1.86      kristaps 1559:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1560:                print_bvspace(p, n, n);
1.54      kristaps 1561:                return(1);
1.116     kristaps 1562:        } else if (MDOC_HEAD == n->type)
                   1563:                return(0);
1.1       kristaps 1564:
1.288     schwarze 1565:        /* Handle the -offset argument. */
                   1566:
                   1567:        if (n->norm->Bd.offs == NULL ||
                   1568:            ! strcmp(n->norm->Bd.offs, "left"))
                   1569:                /* nothing */;
                   1570:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1571:                p->offset += term_len(p, p->defindent + 1);
                   1572:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1573:                p->offset += term_len(p, (p->defindent + 1) * 2);
                   1574:        else
                   1575:                p->offset += a2width(p, n->norm->Bd.offs);
1.85      kristaps 1576:
                   1577:        /*
                   1578:         * If -ragged or -filled are specified, the block does nothing
                   1579:         * but change the indentation.  If -unfilled or -literal are
                   1580:         * specified, text is printed exactly as entered in the display:
                   1581:         * for macro lines, a newline is appended to the line.  Blank
                   1582:         * lines are allowed.
                   1583:         */
1.264     schwarze 1584:
                   1585:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1586:            DISP_unfilled != n->norm->Bd.type &&
                   1587:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1588:                return(1);
                   1589:
1.129     schwarze 1590:        tabwidth = p->tabwidth;
1.208     kristaps 1591:        if (DISP_literal == n->norm->Bd.type)
                   1592:                p->tabwidth = term_len(p, 8);
                   1593:
1.272     schwarze 1594:        lm = p->offset;
1.119     kristaps 1595:        rm = p->rmargin;
                   1596:        rmax = p->maxrmargin;
1.120     kristaps 1597:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1598:
1.86      kristaps 1599:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1600:                if (DISP_centered == n->norm->Bd.type) {
                   1601:                        if (MDOC_TEXT == nn->type) {
                   1602:                                len = term_strlen(p, nn->string);
                   1603:                                p->offset = len >= rm ? 0 :
                   1604:                                    lm + len >= rm ? rm - len :
                   1605:                                    (lm + rm - len) / 2;
                   1606:                        } else
                   1607:                                p->offset = lm;
                   1608:                }
1.245     schwarze 1609:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1610:                /*
                   1611:                 * If the printed node flushes its own line, then we
                   1612:                 * needn't do it here as well.  This is hacky, but the
                   1613:                 * notion of selective eoln whitespace is pretty dumb
                   1614:                 * anyway, so don't sweat it.
                   1615:                 */
                   1616:                switch (nn->tok) {
1.264     schwarze 1617:                case MDOC_Sm:
1.193     kristaps 1618:                        /* FALLTHROUGH */
1.264     schwarze 1619:                case MDOC_br:
1.190     kristaps 1620:                        /* FALLTHROUGH */
1.264     schwarze 1621:                case MDOC_sp:
1.190     kristaps 1622:                        /* FALLTHROUGH */
1.264     schwarze 1623:                case MDOC_Bl:
1.196     kristaps 1624:                        /* FALLTHROUGH */
1.264     schwarze 1625:                case MDOC_D1:
1.196     kristaps 1626:                        /* FALLTHROUGH */
1.264     schwarze 1627:                case MDOC_Dl:
1.190     kristaps 1628:                        /* FALLTHROUGH */
1.264     schwarze 1629:                case MDOC_Lp:
1.190     kristaps 1630:                        /* FALLTHROUGH */
1.264     schwarze 1631:                case MDOC_Pp:
1.190     kristaps 1632:                        continue;
                   1633:                default:
                   1634:                        break;
                   1635:                }
1.180     schwarze 1636:                if (nn->next && nn->next->line == nn->line)
                   1637:                        continue;
                   1638:                term_flushln(p);
                   1639:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1640:        }
1.147     kristaps 1641:
1.129     schwarze 1642:        p->tabwidth = tabwidth;
1.119     kristaps 1643:        p->rmargin = rm;
                   1644:        p->maxrmargin = rmax;
1.1       kristaps 1645:        return(0);
                   1646: }
                   1647:
                   1648: static void
                   1649: termp_bd_post(DECL_ARGS)
                   1650: {
1.119     kristaps 1651:        size_t           rm, rmax;
1.1       kristaps 1652:
1.264     schwarze 1653:        if (MDOC_BODY != n->type)
1.1       kristaps 1654:                return;
1.118     kristaps 1655:
1.119     kristaps 1656:        rm = p->rmargin;
                   1657:        rmax = p->maxrmargin;
1.118     kristaps 1658:
1.264     schwarze 1659:        if (DISP_literal == n->norm->Bd.type ||
                   1660:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1661:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1662:
1.60      kristaps 1663:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1664:        term_newln(p);
1.118     kristaps 1665:
1.119     kristaps 1666:        p->rmargin = rm;
                   1667:        p->maxrmargin = rmax;
1.1       kristaps 1668: }
                   1669:
1.211     kristaps 1670: static int
                   1671: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1672: {
                   1673:
1.211     kristaps 1674:        if (NULL != (n = n->child)) {
                   1675:                term_word(p, n->string);
                   1676:                p->flags |= TERMP_NOSPACE;
                   1677:                term_word(p, "BSD");
                   1678:        } else {
                   1679:                term_word(p, "BSD");
                   1680:                return(0);
                   1681:        }
                   1682:
                   1683:        if (NULL != (n = n->next)) {
                   1684:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1685:                term_word(p, "-");
1.1       kristaps 1686:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1687:                term_word(p, n->string);
1.211     kristaps 1688:        }
                   1689:
                   1690:        return(0);
1.1       kristaps 1691: }
                   1692:
                   1693: static int
1.26      kristaps 1694: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1695: {
1.26      kristaps 1696:        const char      *pp;
1.218     schwarze 1697:        int              flags;
1.1       kristaps 1698:
1.26      kristaps 1699:        pp = NULL;
1.86      kristaps 1700:        switch (n->tok) {
1.264     schwarze 1701:        case MDOC_Bsx:
1.194     schwarze 1702:                pp = "BSD/OS";
1.26      kristaps 1703:                break;
1.264     schwarze 1704:        case MDOC_Dx:
1.100     kristaps 1705:                pp = "DragonFly";
1.26      kristaps 1706:                break;
1.264     schwarze 1707:        case MDOC_Fx:
1.26      kristaps 1708:                pp = "FreeBSD";
                   1709:                break;
1.264     schwarze 1710:        case MDOC_Nx:
1.26      kristaps 1711:                pp = "NetBSD";
                   1712:                break;
1.264     schwarze 1713:        case MDOC_Ox:
1.26      kristaps 1714:                pp = "OpenBSD";
                   1715:                break;
1.264     schwarze 1716:        case MDOC_Ux:
1.26      kristaps 1717:                pp = "UNIX";
                   1718:                break;
                   1719:        default:
1.246     schwarze 1720:                abort();
                   1721:                /* NOTREACHED */
1.26      kristaps 1722:        }
1.1       kristaps 1723:
1.26      kristaps 1724:        term_word(p, pp);
1.214     kristaps 1725:        if (n->child) {
1.218     schwarze 1726:                flags = p->flags;
1.214     kristaps 1727:                p->flags |= TERMP_KEEP;
                   1728:                term_word(p, n->child->string);
1.218     schwarze 1729:                p->flags = flags;
1.214     kristaps 1730:        }
                   1731:        return(0);
1.1       kristaps 1732: }
                   1733:
                   1734: static void
                   1735: termp_pf_post(DECL_ARGS)
                   1736: {
                   1737:
                   1738:        p->flags |= TERMP_NOSPACE;
                   1739: }
                   1740:
                   1741: static int
                   1742: termp_ss_pre(DECL_ARGS)
                   1743: {
                   1744:
1.86      kristaps 1745:        switch (n->type) {
1.264     schwarze 1746:        case MDOC_BLOCK:
1.1       kristaps 1747:                term_newln(p);
1.86      kristaps 1748:                if (n->prev)
1.1       kristaps 1749:                        term_vspace(p);
                   1750:                break;
1.264     schwarze 1751:        case MDOC_HEAD:
1.102     kristaps 1752:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1753:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1754:                break;
1.274     schwarze 1755:        case MDOC_BODY:
                   1756:                p->offset = term_len(p, p->defindent);
                   1757:                break;
1.1       kristaps 1758:        default:
                   1759:                break;
                   1760:        }
                   1761:
                   1762:        return(1);
                   1763: }
                   1764:
                   1765: static void
                   1766: termp_ss_post(DECL_ARGS)
                   1767: {
                   1768:
1.274     schwarze 1769:        if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1       kristaps 1770:                term_newln(p);
                   1771: }
                   1772:
                   1773: static int
                   1774: termp_cd_pre(DECL_ARGS)
                   1775: {
                   1776:
1.143     kristaps 1777:        synopsis_pre(p, n);
1.102     kristaps 1778:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1779:        return(1);
                   1780: }
                   1781:
                   1782: static int
                   1783: termp_in_pre(DECL_ARGS)
                   1784: {
1.142     schwarze 1785:
1.143     kristaps 1786:        synopsis_pre(p, n);
1.1       kristaps 1787:
1.160     kristaps 1788:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1789:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1790:                term_word(p, "#include");
1.138     kristaps 1791:                term_word(p, "<");
                   1792:        } else {
                   1793:                term_word(p, "<");
                   1794:                term_fontpush(p, TERMFONT_UNDER);
                   1795:        }
1.22      kristaps 1796:
1.1       kristaps 1797:        p->flags |= TERMP_NOSPACE;
                   1798:        return(1);
                   1799: }
                   1800:
                   1801: static void
                   1802: termp_in_post(DECL_ARGS)
                   1803: {
                   1804:
1.160     kristaps 1805:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1806:                term_fontpush(p, TERMFONT_BOLD);
                   1807:
1.79      kristaps 1808:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1809:        term_word(p, ">");
                   1810:
1.160     kristaps 1811:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1812:                term_fontpop(p);
1.1       kristaps 1813: }
                   1814:
                   1815: static int
1.45      kristaps 1816: termp_sp_pre(DECL_ARGS)
                   1817: {
1.91      kristaps 1818:        size_t           i, len;
1.45      kristaps 1819:
1.86      kristaps 1820:        switch (n->tok) {
1.264     schwarze 1821:        case MDOC_sp:
1.157     kristaps 1822:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1823:                break;
1.264     schwarze 1824:        case MDOC_br:
1.76      kristaps 1825:                len = 0;
                   1826:                break;
                   1827:        default:
                   1828:                len = 1;
                   1829:                break;
1.45      kristaps 1830:        }
                   1831:
                   1832:        if (0 == len)
                   1833:                term_newln(p);
                   1834:        for (i = 0; i < len; i++)
                   1835:                term_vspace(p);
                   1836:
                   1837:        return(0);
                   1838: }
                   1839:
                   1840: static int
1.294   ! schwarze 1841: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1842: {
                   1843:
                   1844:        return(0);
                   1845: }
                   1846:
                   1847: static int
1.188     kristaps 1848: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1849: {
                   1850:
1.203     kristaps 1851:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1852:                return(1);
                   1853:
1.188     kristaps 1854:        switch (n->tok) {
1.264     schwarze 1855:        case MDOC_Ao:
1.188     kristaps 1856:                /* FALLTHROUGH */
1.264     schwarze 1857:        case MDOC_Aq:
1.291     schwarze 1858:                term_word(p, n->parent->prev != NULL &&
                   1859:                    n->parent->prev->tok == MDOC_An ?  "<" : "\\(la");
1.188     kristaps 1860:                break;
1.264     schwarze 1861:        case MDOC_Bro:
1.188     kristaps 1862:                /* FALLTHROUGH */
1.264     schwarze 1863:        case MDOC_Brq:
1.188     kristaps 1864:                term_word(p, "{");
                   1865:                break;
1.264     schwarze 1866:        case MDOC_Oo:
1.188     kristaps 1867:                /* FALLTHROUGH */
1.264     schwarze 1868:        case MDOC_Op:
1.188     kristaps 1869:                /* FALLTHROUGH */
1.264     schwarze 1870:        case MDOC_Bo:
1.188     kristaps 1871:                /* FALLTHROUGH */
1.264     schwarze 1872:        case MDOC_Bq:
1.188     kristaps 1873:                term_word(p, "[");
                   1874:                break;
1.264     schwarze 1875:        case MDOC_Do:
1.188     kristaps 1876:                /* FALLTHROUGH */
1.264     schwarze 1877:        case MDOC_Dq:
1.249     schwarze 1878:                term_word(p, "\\(lq");
1.188     kristaps 1879:                break;
1.268     schwarze 1880:        case MDOC_En:
                   1881:                if (NULL == n->norm->Es ||
                   1882:                    NULL == n->norm->Es->child)
                   1883:                        return(1);
                   1884:                term_word(p, n->norm->Es->child->string);
                   1885:                break;
1.264     schwarze 1886:        case MDOC_Eo:
1.237     schwarze 1887:                break;
1.264     schwarze 1888:        case MDOC_Po:
1.188     kristaps 1889:                /* FALLTHROUGH */
1.264     schwarze 1890:        case MDOC_Pq:
1.188     kristaps 1891:                term_word(p, "(");
                   1892:                break;
1.264     schwarze 1893:        case MDOC__T:
1.205     kristaps 1894:                /* FALLTHROUGH */
1.264     schwarze 1895:        case MDOC_Qo:
1.188     kristaps 1896:                /* FALLTHROUGH */
1.264     schwarze 1897:        case MDOC_Qq:
1.188     kristaps 1898:                term_word(p, "\"");
                   1899:                break;
1.264     schwarze 1900:        case MDOC_Ql:
1.188     kristaps 1901:                /* FALLTHROUGH */
1.264     schwarze 1902:        case MDOC_So:
1.188     kristaps 1903:                /* FALLTHROUGH */
1.264     schwarze 1904:        case MDOC_Sq:
1.249     schwarze 1905:                term_word(p, "\\(oq");
1.188     kristaps 1906:                break;
                   1907:        default:
                   1908:                abort();
                   1909:                /* NOTREACHED */
                   1910:        }
1.1       kristaps 1911:
                   1912:        p->flags |= TERMP_NOSPACE;
                   1913:        return(1);
                   1914: }
                   1915:
                   1916: static void
1.188     kristaps 1917: termp_quote_post(DECL_ARGS)
1.1       kristaps 1918: {
                   1919:
1.203     kristaps 1920:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1921:                return;
                   1922:
1.268     schwarze 1923:        if (MDOC_En != n->tok)
                   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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