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Annotation of mandoc/mdoc_term.c, Revision 1.287

1.287   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.286 2014/10/20 15:50:24 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 *);
                     54: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   55:
                     56: static void      print_bvspace(struct termp *,
1.151     kristaps   57:                        const struct mdoc_node *,
1.96      kristaps   58:                        const struct mdoc_node *);
1.264     schwarze   59: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   60: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   61: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   62: static void      print_mdoc_foot(struct termp *, const void *);
1.264     schwarze   63: static void      synopsis_pre(struct termp *,
1.143     kristaps   64:                        const struct mdoc_node *);
1.96      kristaps   65:
1.31      kristaps   66: static void      termp____post(DECL_ARGS);
1.203     kristaps   67: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   68: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   69: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   70: static void      termp_bl_post(DECL_ARGS);
1.241     schwarze   71: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   72: static void      termp_fo_post(DECL_ARGS);
                     73: static void      termp_in_post(DECL_ARGS);
                     74: static void      termp_it_post(DECL_ARGS);
                     75: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   76: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   77: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   78: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_sh_post(DECL_ARGS);
                     80: static void      termp_ss_post(DECL_ARGS);
                     81:
1.184     kristaps   82: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   83: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   84: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   85: static int       termp_ap_pre(DECL_ARGS);
                     86: static int       termp_bd_pre(DECL_ARGS);
                     87: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   88: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   89: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   90: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   91: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   92: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   93: static int       termp_cd_pre(DECL_ARGS);
                     94: static int       termp_d1_pre(DECL_ARGS);
1.268     schwarze   95: static int       termp_es_pre(DECL_ARGS);
1.31      kristaps   96: static int       termp_ex_pre(DECL_ARGS);
                     97: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   98: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_fl_pre(DECL_ARGS);
                    100: static int       termp_fn_pre(DECL_ARGS);
                    101: static int       termp_fo_pre(DECL_ARGS);
                    102: static int       termp_ft_pre(DECL_ARGS);
                    103: static int       termp_in_pre(DECL_ARGS);
                    104: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  105: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  106: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  107: static int       termp_lk_pre(DECL_ARGS);
                    108: static int       termp_nd_pre(DECL_ARGS);
                    109: static int       termp_nm_pre(DECL_ARGS);
                    110: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  111: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  112: static int       termp_rs_pre(DECL_ARGS);
                    113: static int       termp_rv_pre(DECL_ARGS);
                    114: static int       termp_sh_pre(DECL_ARGS);
                    115: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  116: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  117: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  118: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  120: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  121: static int       termp_xr_pre(DECL_ARGS);
                    122: static int       termp_xx_pre(DECL_ARGS);
                    123:
1.70      kristaps  124: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  125:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  126:        { NULL, NULL }, /* Dd */
                    127:        { NULL, NULL }, /* Dt */
                    128:        { NULL, NULL }, /* Os */
                    129:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  130:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    131:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  132:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    133:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  134:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    135:        { NULL, NULL }, /* Ed */
1.115     kristaps  136:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  137:        { NULL, NULL }, /* El */
                    138:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  139:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  140:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  141:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  142:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  143:        { termp_bold_pre, NULL }, /* Cm */
1.264     schwarze  144:        { NULL, NULL }, /* Dv */
                    145:        { NULL, NULL }, /* Er */
                    146:        { NULL, NULL }, /* Ev */
1.1       kristaps  147:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  148:        { termp_fa_pre, NULL }, /* Fa */
                    149:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  150:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  151:        { termp_fn_pre, NULL }, /* Fn */
                    152:        { termp_ft_pre, NULL }, /* Ft */
                    153:        { termp_bold_pre, NULL }, /* Ic */
                    154:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  155:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  156:        { termp_nd_pre, NULL }, /* Nd */
                    157:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  158:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  159:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  160:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  161:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  162:        { NULL, NULL }, /* St */
1.69      kristaps  163:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  164:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  165:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  166:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  167:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  168:        { NULL, termp____post }, /* %D */
1.84      kristaps  169:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  170:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  171:        { NULL, termp____post }, /* %N */
                    172:        { NULL, termp____post }, /* %O */
                    173:        { NULL, termp____post }, /* %P */
                    174:        { NULL, termp____post }, /* %R */
1.203     kristaps  175:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  176:        { NULL, termp____post }, /* %V */
                    177:        { NULL, NULL }, /* Ac */
1.188     kristaps  178:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    179:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  180:        { NULL, NULL }, /* At */
1.1       kristaps  181:        { NULL, NULL }, /* Bc */
1.264     schwarze  182:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  183:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    184:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  185:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  186:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  187:        { NULL, NULL }, /* Db */
                    188:        { NULL, NULL }, /* Dc */
1.188     kristaps  189:        { termp_quote_pre, termp_quote_post }, /* Do */
                    190:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  191:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  192:        { NULL, NULL }, /* Ef */
1.264     schwarze  193:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  194:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  195:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  196:        { termp_bold_pre, NULL }, /* Ms */
1.254     schwarze  197:        { NULL, NULL }, /* No */
1.1       kristaps  198:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  199:        { termp_xx_pre, NULL }, /* Nx */
                    200:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  201:        { NULL, NULL }, /* Pc */
1.254     schwarze  202:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  203:        { termp_quote_pre, termp_quote_post }, /* Po */
                    204:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  205:        { NULL, NULL }, /* Qc */
1.188     kristaps  206:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    207:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    208:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  209:        { NULL, NULL }, /* Re */
                    210:        { termp_rs_pre, NULL }, /* Rs */
                    211:        { NULL, NULL }, /* Sc */
1.188     kristaps  212:        { termp_quote_pre, termp_quote_post }, /* So */
                    213:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  214:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  215:        { termp_under_pre, NULL }, /* Sx */
                    216:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  217:        { NULL, NULL }, /* Tn */
1.26      kristaps  218:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  219:        { NULL, NULL }, /* Xc */
                    220:        { NULL, NULL }, /* Xo */
1.264     schwarze  221:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    222:        { NULL, NULL }, /* Fc */
1.188     kristaps  223:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  224:        { NULL, NULL }, /* Oc */
1.159     schwarze  225:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  226:        { NULL, NULL }, /* Ek */
                    227:        { termp_bt_pre, NULL }, /* Bt */
                    228:        { NULL, NULL }, /* Hf */
1.268     schwarze  229:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  230:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  231:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  232:        { termp_sp_pre, NULL }, /* Lp */
                    233:        { termp_lk_pre, NULL }, /* Lk */
                    234:        { termp_under_pre, NULL }, /* Mt */
                    235:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    236:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    237:        { NULL, NULL }, /* Brc */
                    238:        { NULL, termp____post }, /* %C */
1.268     schwarze  239:        { termp_es_pre, NULL }, /* Es */
                    240:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  241:        { termp_xx_pre, NULL }, /* Dx */
                    242:        { NULL, termp____post }, /* %Q */
1.76      kristaps  243:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  244:        { termp_sp_pre, NULL }, /* sp */
                    245:        { NULL, termp____post }, /* %U */
                    246:        { NULL, NULL }, /* Ta */
1.260     schwarze  247:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  248: };
                    249:
                    250:
1.70      kristaps  251: void
1.89      kristaps  252: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  253: {
1.245     schwarze  254:        const struct mdoc_meta  *meta;
1.281     schwarze  255:        struct mdoc_node        *n;
1.89      kristaps  256:        struct termp            *p;
                    257:
                    258:        p = (struct termp *)arg;
1.111     kristaps  259:
                    260:        p->overstep = 0;
1.281     schwarze  261:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  262:        p->tabwidth = term_len(p, 5);
1.70      kristaps  263:
1.281     schwarze  264:        n = mdoc_node(mdoc)->child;
1.245     schwarze  265:        meta = mdoc_meta(mdoc);
1.146     schwarze  266:
1.281     schwarze  267:        if (p->synopsisonly) {
                    268:                while (n != NULL) {
                    269:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    270:                                if (n->child->next->child != NULL)
                    271:                                        print_mdoc_nodelist(p, NULL,
                    272:                                            meta, n->child->next->child);
                    273:                                term_newln(p);
                    274:                                break;
                    275:                        }
                    276:                        n = n->next;
                    277:                }
                    278:        } else {
                    279:                if (p->defindent == 0)
                    280:                        p->defindent = 5;
                    281:                term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
                    282:                if (n != NULL) {
                    283:                        if (n->tok != MDOC_Sh)
                    284:                                term_vspace(p);
                    285:                        print_mdoc_nodelist(p, NULL, meta, n);
                    286:                }
                    287:                term_end(p);
1.271     schwarze  288:        }
1.1       kristaps  289: }
                    290:
1.3       kristaps  291: static void
1.102     kristaps  292: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  293: {
                    294:
1.245     schwarze  295:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  296:        if (n->next)
1.245     schwarze  297:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  298: }
                    299:
1.3       kristaps  300: static void
1.102     kristaps  301: print_mdoc_node(DECL_ARGS)
1.1       kristaps  302: {
1.102     kristaps  303:        int              chld;
1.1       kristaps  304:        struct termpair  npair;
1.30      kristaps  305:        size_t           offset, rmargin;
1.1       kristaps  306:
1.70      kristaps  307:        chld = 1;
1.29      kristaps  308:        offset = p->offset;
1.30      kristaps  309:        rmargin = p->rmargin;
1.244     schwarze  310:        n->prev_font = term_fontq(p);
1.29      kristaps  311:
1.97      kristaps  312:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  313:        npair.ppair = pair;
1.172     kristaps  314:
                    315:        /*
                    316:         * Keeps only work until the end of a line.  If a keep was
                    317:         * invoked in a prior line, revert it to PREKEEP.
                    318:         */
                    319:
1.253     schwarze  320:        if (TERMP_KEEP & p->flags) {
1.252     schwarze  321:                if (n->prev ? (n->prev->lastline != n->line) :
1.248     schwarze  322:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  323:                        p->flags &= ~TERMP_KEEP;
                    324:                        p->flags |= TERMP_PREKEEP;
                    325:                }
                    326:        }
1.197     schwarze  327:
                    328:        /*
1.217     schwarze  329:         * After the keep flags have been set up, we may now
                    330:         * produce output.  Note that some pre-handlers do so.
                    331:         */
                    332:
                    333:        switch (n->type) {
1.264     schwarze  334:        case MDOC_TEXT:
1.217     schwarze  335:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    336:                        term_newln(p);
1.222     kristaps  337:                if (MDOC_DELIMC & n->flags)
                    338:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  339:                term_word(p, n->string);
1.222     kristaps  340:                if (MDOC_DELIMO & n->flags)
                    341:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  342:                break;
1.264     schwarze  343:        case MDOC_EQN:
1.284     schwarze  344:                if ( ! (n->flags & MDOC_LINE))
                    345:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  346:                term_eqn(p, n->eqn);
1.286     schwarze  347:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  348:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  349:                break;
1.264     schwarze  350:        case MDOC_TBL:
1.217     schwarze  351:                term_tbl(p, n->span);
                    352:                break;
                    353:        default:
                    354:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    355:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  356:                                (p, &npair, meta, n);
1.217     schwarze  357:                break;
                    358:        }
                    359:
1.86      kristaps  360:        if (chld && n->child)
1.245     schwarze  361:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  362:
1.244     schwarze  363:        term_fontpopq(p,
                    364:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  365:
1.206     kristaps  366:        switch (n->type) {
1.264     schwarze  367:        case MDOC_TEXT:
1.206     kristaps  368:                break;
1.264     schwarze  369:        case MDOC_TBL:
1.216     kristaps  370:                break;
1.264     schwarze  371:        case MDOC_EQN:
1.206     kristaps  372:                break;
                    373:        default:
                    374:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    375:                        break;
1.245     schwarze  376:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  377:
                    378:                /*
                    379:                 * Explicit end tokens not only call the post
                    380:                 * handler, but also tell the respective block
                    381:                 * that it must not call the post handler again.
                    382:                 */
1.165     kristaps  383:                if (ENDBODY_NOT != n->end)
1.162     schwarze  384:                        n->pending->flags |= MDOC_ENDED;
                    385:
                    386:                /*
                    387:                 * End of line terminating an implicit block
                    388:                 * while an explicit block is still open.
                    389:                 * Continue the explicit block without spacing.
                    390:                 */
                    391:                if (ENDBODY_NOSPACE == n->end)
                    392:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  393:                break;
1.162     schwarze  394:        }
1.121     kristaps  395:
                    396:        if (MDOC_EOS & n->flags)
                    397:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  398:
1.260     schwarze  399:        if (MDOC_ll != n->tok) {
                    400:                p->offset = offset;
                    401:                p->rmargin = rmargin;
                    402:        }
1.1       kristaps  403: }
                    404:
1.3       kristaps  405: static void
1.145     kristaps  406: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  407: {
1.245     schwarze  408:        const struct mdoc_meta *meta;
1.144     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;
1.264     schwarze  425:        p->rmargin = (p->maxrmargin -
                    426:            term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250     schwarze  427:        p->trailspace = 1;
1.1       kristaps  428:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    429:
1.245     schwarze  430:        term_word(p, meta->os);
1.1       kristaps  431:        term_flushln(p);
                    432:
1.9       kristaps  433:        p->offset = p->rmargin;
1.245     schwarze  434:        p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234     schwarze  435:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  436:
1.245     schwarze  437:        term_word(p, meta->date);
1.9       kristaps  438:        term_flushln(p);
                    439:
1.1       kristaps  440:        p->offset = p->rmargin;
                    441:        p->rmargin = p->maxrmargin;
1.250     schwarze  442:        p->trailspace = 0;
1.1       kristaps  443:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  444:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  445:
1.245     schwarze  446:        term_word(p, meta->os);
1.1       kristaps  447:        term_flushln(p);
                    448:
1.9       kristaps  449:        p->offset = 0;
                    450:        p->rmargin = p->maxrmargin;
                    451:        p->flags = 0;
1.1       kristaps  452: }
                    453:
1.3       kristaps  454: static void
1.144     kristaps  455: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  456: {
1.266     schwarze  457:        const struct mdoc_meta  *meta;
1.267     schwarze  458:        char                    *volume, *title;
                    459:        size_t                   vollen, titlen;
1.144     kristaps  460:
1.245     schwarze  461:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  462:
                    463:        /*
                    464:         * The header is strange.  It has three components, which are
                    465:         * really two with the first duplicated.  It goes like this:
                    466:         *
                    467:         * IDENTIFIER              TITLE                   IDENTIFIER
                    468:         *
                    469:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    470:         * (if given, or "unknown" if not) followed by the manual page
                    471:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    472:         * string depending on the manual volume.  If not specified, it
                    473:         * switches on the manual section.
                    474:         */
1.235     schwarze  475:
1.245     schwarze  476:        assert(meta->vol);
1.267     schwarze  477:        if (NULL == meta->arch)
                    478:                volume = mandoc_strdup(meta->vol);
                    479:        else
                    480:                mandoc_asprintf(&volume, "%s (%s)",
                    481:                    meta->vol, meta->arch);
                    482:        vollen = term_strlen(p, volume);
1.1       kristaps  483:
1.275     schwarze  484:        if (NULL == meta->msec)
                    485:                title = mandoc_strdup(meta->title);
                    486:        else
                    487:                mandoc_asprintf(&title, "%s(%s)",
                    488:                    meta->title, meta->msec);
1.235     schwarze  489:        titlen = term_strlen(p, title);
1.1       kristaps  490:
1.235     schwarze  491:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  492:        p->trailspace = 1;
1.1       kristaps  493:        p->offset = 0;
1.267     schwarze  494:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    495:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
                    496:            p->maxrmargin - vollen;
1.1       kristaps  497:
                    498:        term_word(p, title);
                    499:        term_flushln(p);
                    500:
1.235     schwarze  501:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  502:        p->offset = p->rmargin;
1.267     schwarze  503:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  504:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  505:
1.267     schwarze  506:        term_word(p, volume);
1.1       kristaps  507:        term_flushln(p);
                    508:
                    509:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  510:        p->trailspace = 0;
1.235     schwarze  511:        if (p->rmargin + titlen <= p->maxrmargin) {
                    512:                p->flags |= TERMP_NOSPACE;
                    513:                p->offset = p->rmargin;
                    514:                p->rmargin = p->maxrmargin;
                    515:                term_word(p, title);
                    516:                term_flushln(p);
                    517:        }
1.1       kristaps  518:
1.235     schwarze  519:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  520:        p->offset = 0;
1.1       kristaps  521:        p->rmargin = p->maxrmargin;
1.266     schwarze  522:        free(title);
1.267     schwarze  523:        free(volume);
1.1       kristaps  524: }
                    525:
                    526: static size_t
1.157     kristaps  527: a2height(const struct termp *p, const char *v)
1.1       kristaps  528: {
1.92      kristaps  529:        struct roffsu    su;
1.91      kristaps  530:
1.231     kristaps  531:
1.157     kristaps  532:        assert(v);
                    533:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  534:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  535:
1.157     kristaps  536:        return(term_vspan(p, &su));
1.91      kristaps  537: }
1.1       kristaps  538:
1.91      kristaps  539: static size_t
1.157     kristaps  540: a2width(const struct termp *p, const char *v)
1.91      kristaps  541: {
1.92      kristaps  542:        struct roffsu    su;
1.1       kristaps  543:
1.154     kristaps  544:        assert(v);
1.283     schwarze  545:        if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157     kristaps  546:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  547:                su.scale /= term_strlen(p, "0");
                    548:        }
1.1       kristaps  549:
1.157     kristaps  550:        return(term_hspan(p, &su));
1.1       kristaps  551: }
                    552:
                    553: static size_t
1.157     kristaps  554: a2offs(const struct termp *p, const char *v)
1.1       kristaps  555: {
1.92      kristaps  556:        struct roffsu    su;
1.1       kristaps  557:
1.148     kristaps  558:        if ('\0' == *v)
1.91      kristaps  559:                return(0);
1.148     kristaps  560:        else if (0 == strcmp(v, "left"))
1.19      kristaps  561:                return(0);
1.148     kristaps  562:        else if (0 == strcmp(v, "indent"))
1.238     schwarze  563:                return(term_len(p, p->defindent + 1));
1.148     kristaps  564:        else if (0 == strcmp(v, "indent-two"))
1.238     schwarze  565:                return(term_len(p, (p->defindent + 1) * 2));
1.283     schwarze  566:        else if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157     kristaps  567:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  568:                su.scale /= term_strlen(p, "0");
                    569:        }
1.10      kristaps  570:
1.157     kristaps  571:        return(term_hspan(p, &su));
1.1       kristaps  572: }
                    573:
1.108     kristaps  574: /*
                    575:  * Determine how much space to print out before block elements of `It'
                    576:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    577:  * too.
                    578:  */
1.54      kristaps  579: static void
1.264     schwarze  580: print_bvspace(struct termp *p,
                    581:        const struct mdoc_node *bl,
                    582:        const struct mdoc_node *n)
1.1       kristaps  583: {
1.86      kristaps  584:        const struct mdoc_node  *nn;
1.236     schwarze  585:
                    586:        assert(n);
1.1       kristaps  587:
                    588:        term_newln(p);
1.150     kristaps  589:
1.202     kristaps  590:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  591:                return;
1.202     kristaps  592:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  593:                return;
                    594:
1.85      kristaps  595:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  596:
1.86      kristaps  597:        for (nn = n; nn; nn = nn->parent) {
                    598:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  599:                        continue;
1.86      kristaps  600:                if (MDOC_Ss == nn->tok)
1.54      kristaps  601:                        return;
1.86      kristaps  602:                if (MDOC_Sh == nn->tok)
1.54      kristaps  603:                        return;
1.86      kristaps  604:                if (NULL == nn->prev)
1.1       kristaps  605:                        continue;
                    606:                break;
                    607:        }
                    608:
1.85      kristaps  609:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  610:
1.202     kristaps  611:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  612:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  613:                        return;
                    614:
1.85      kristaps  615:        /* A `-diag' without body does not vspace. */
                    616:
1.202     kristaps  617:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  618:                if (n->prev && MDOC_It == n->prev->tok) {
                    619:                        assert(n->prev->body);
                    620:                        if (NULL == n->prev->body->child)
1.55      kristaps  621:                                return;
                    622:                }
                    623:
1.54      kristaps  624:        term_vspace(p);
1.260     schwarze  625: }
                    626:
                    627:
                    628: static int
                    629: termp_ll_pre(DECL_ARGS)
                    630: {
                    631:
1.261     schwarze  632:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  633:        return(0);
1.1       kristaps  634: }
                    635:
                    636: static int
                    637: termp_it_pre(DECL_ARGS)
                    638: {
1.86      kristaps  639:        const struct mdoc_node *bl, *nn;
1.265     schwarze  640:        char                    buf[24];
1.264     schwarze  641:        int                     i;
                    642:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  643:        enum mdoc_list          type;
1.1       kristaps  644:
1.86      kristaps  645:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  646:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  647:                return(1);
                    648:        }
1.1       kristaps  649:
1.86      kristaps  650:        bl = n->parent->parent->parent;
1.202     kristaps  651:        type = bl->norm->Bl.type;
1.1       kristaps  652:
1.264     schwarze  653:        /*
1.108     kristaps  654:         * First calculate width and offset.  This is pretty easy unless
                    655:         * we're a -column list, in which case all prior columns must
                    656:         * be accounted for.
                    657:         */
                    658:
                    659:        width = offset = 0;
                    660:
1.202     kristaps  661:        if (bl->norm->Bl.offs)
                    662:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  663:
1.1       kristaps  664:        switch (type) {
1.264     schwarze  665:        case LIST_column:
1.134     kristaps  666:                if (MDOC_HEAD == n->type)
1.1       kristaps  667:                        break;
1.155     kristaps  668:
1.105     kristaps  669:                /*
1.108     kristaps  670:                 * Imitate groff's column handling:
                    671:                 * - For each earlier column, add its width.
                    672:                 * - For less than 5 columns, add four more blanks per
                    673:                 *   column.
                    674:                 * - For exactly 5 columns, add three more blank per
                    675:                 *   column.
                    676:                 * - For more than 5 columns, add only one column.
1.105     kristaps  677:                 */
1.202     kristaps  678:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  679:                dcol = ncols < 5 ? term_len(p, 4) :
                    680:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  681:
1.134     kristaps  682:                /*
                    683:                 * Calculate the offset by applying all prior MDOC_BODY,
                    684:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    685:                 */
                    686:
1.264     schwarze  687:                for (i = 0, nn = n->prev;
                    688:                    nn->prev && i < (int)ncols;
                    689:                    nn = nn->prev, i++)
                    690:                        offset += dcol + a2width(p,
                    691:                            bl->norm->Bl.cols[i]);
1.105     kristaps  692:
                    693:                /*
1.108     kristaps  694:                 * When exceeding the declared number of columns, leave
                    695:                 * the remaining widths at 0.  This will later be
                    696:                 * adjusted to the default width of 10, or, for the last
                    697:                 * column, stretched to the right margin.
1.58      kristaps  698:                 */
1.108     kristaps  699:                if (i >= (int)ncols)
                    700:                        break;
1.58      kristaps  701:
1.105     kristaps  702:                /*
1.108     kristaps  703:                 * Use the declared column widths, extended as explained
                    704:                 * in the preceding paragraph.
1.105     kristaps  705:                 */
1.202     kristaps  706:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  707:                break;
                    708:        default:
1.202     kristaps  709:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  710:                        break;
                    711:
1.264     schwarze  712:                /*
1.108     kristaps  713:                 * Note: buffer the width by 2, which is groff's magic
                    714:                 * number for buffering single arguments.  See the above
                    715:                 * handling for column for how this changes.
                    716:                 */
1.202     kristaps  717:                assert(bl->norm->Bl.width);
                    718:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  719:                break;
                    720:        }
                    721:
1.264     schwarze  722:        /*
1.1       kristaps  723:         * List-type can override the width in the case of fixed-head
                    724:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  725:         * offset.
1.1       kristaps  726:         */
                    727:
                    728:        switch (type) {
1.264     schwarze  729:        case LIST_bullet:
1.1       kristaps  730:                /* FALLTHROUGH */
1.264     schwarze  731:        case LIST_dash:
1.1       kristaps  732:                /* FALLTHROUGH */
1.264     schwarze  733:        case LIST_hyphen:
1.242     schwarze  734:                /* FALLTHROUGH */
1.264     schwarze  735:        case LIST_enum:
1.242     schwarze  736:                if (width < term_len(p, 2))
                    737:                        width = term_len(p, 2);
1.17      kristaps  738:                break;
1.264     schwarze  739:        case LIST_hang:
1.39      kristaps  740:                if (0 == width)
1.157     kristaps  741:                        width = term_len(p, 8);
1.39      kristaps  742:                break;
1.264     schwarze  743:        case LIST_column:
1.49      kristaps  744:                /* FALLTHROUGH */
1.264     schwarze  745:        case LIST_tag:
1.1       kristaps  746:                if (0 == width)
1.157     kristaps  747:                        width = term_len(p, 10);
1.1       kristaps  748:                break;
                    749:        default:
                    750:                break;
                    751:        }
                    752:
1.264     schwarze  753:        /*
1.17      kristaps  754:         * Whitespace control.  Inset bodies need an initial space,
                    755:         * while diagonal bodies need two.
1.1       kristaps  756:         */
                    757:
1.51      kristaps  758:        p->flags |= TERMP_NOSPACE;
                    759:
1.1       kristaps  760:        switch (type) {
1.264     schwarze  761:        case LIST_diag:
1.86      kristaps  762:                if (MDOC_BODY == n->type)
1.62      kristaps  763:                        term_word(p, "\\ \\ ");
1.51      kristaps  764:                break;
1.264     schwarze  765:        case LIST_inset:
1.270     schwarze  766:                if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51      kristaps  767:                        term_word(p, "\\ ");
1.1       kristaps  768:                break;
                    769:        default:
                    770:                break;
                    771:        }
                    772:
1.51      kristaps  773:        p->flags |= TERMP_NOSPACE;
                    774:
1.1       kristaps  775:        switch (type) {
1.264     schwarze  776:        case LIST_diag:
1.86      kristaps  777:                if (MDOC_HEAD == n->type)
1.102     kristaps  778:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  779:                break;
                    780:        default:
                    781:                break;
                    782:        }
                    783:
                    784:        /*
1.109     kristaps  785:         * Pad and break control.  This is the tricky part.  These flags
                    786:         * are documented in term_flushln() in term.c.  Note that we're
                    787:         * going to unset all of these flags in termp_it_post() when we
                    788:         * exit.
1.1       kristaps  789:         */
                    790:
                    791:        switch (type) {
1.264     schwarze  792:        case LIST_enum:
1.242     schwarze  793:                /*
                    794:                 * Weird special case.
                    795:                 * Very narrow enum lists actually hang.
                    796:                 */
                    797:                if (width == term_len(p, 2))
                    798:                        p->flags |= TERMP_HANG;
                    799:                /* FALLTHROUGH */
1.264     schwarze  800:        case LIST_bullet:
1.1       kristaps  801:                /* FALLTHROUGH */
1.264     schwarze  802:        case LIST_dash:
1.1       kristaps  803:                /* FALLTHROUGH */
1.264     schwarze  804:        case LIST_hyphen:
1.250     schwarze  805:                if (MDOC_HEAD != n->type)
                    806:                        break;
                    807:                p->flags |= TERMP_NOBREAK;
                    808:                p->trailspace = 1;
1.39      kristaps  809:                break;
1.264     schwarze  810:        case LIST_hang:
1.250     schwarze  811:                if (MDOC_HEAD != n->type)
1.59      kristaps  812:                        break;
                    813:
                    814:                /*
                    815:                 * This is ugly.  If `-hang' is specified and the body
                    816:                 * is a `Bl' or `Bd', then we want basically to nullify
                    817:                 * the "overstep" effect in term_flushln() and treat
                    818:                 * this as a `-ohang' list instead.
                    819:                 */
1.279     schwarze  820:                if (NULL != n->next &&
1.278     schwarze  821:                    NULL != n->next->child &&
                    822:                    (MDOC_Bl == n->next->child->tok ||
                    823:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  824:                        break;
                    825:
1.263     schwarze  826:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  827:                p->trailspace = 1;
1.39      kristaps  828:                break;
1.264     schwarze  829:        case LIST_tag:
1.86      kristaps  830:                if (MDOC_HEAD != n->type)
1.39      kristaps  831:                        break;
1.250     schwarze  832:
1.263     schwarze  833:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  834:                p->trailspace = 2;
                    835:
1.86      kristaps  836:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  837:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  838:                break;
1.264     schwarze  839:        case LIST_column:
1.134     kristaps  840:                if (MDOC_HEAD == n->type)
                    841:                        break;
                    842:
1.250     schwarze  843:                if (NULL == n->next) {
1.134     kristaps  844:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  845:                        p->trailspace = 0;
                    846:                } else {
1.134     kristaps  847:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  848:                        p->trailspace = 1;
                    849:                }
1.134     kristaps  850:
1.1       kristaps  851:                break;
1.264     schwarze  852:        case LIST_diag:
1.250     schwarze  853:                if (MDOC_HEAD != n->type)
                    854:                        break;
1.263     schwarze  855:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  856:                p->trailspace = 1;
1.1       kristaps  857:                break;
                    858:        default:
                    859:                break;
                    860:        }
                    861:
1.264     schwarze  862:        /*
1.1       kristaps  863:         * Margin control.  Set-head-width lists have their right
                    864:         * margins shortened.  The body for these lists has the offset
                    865:         * necessarily lengthened.  Everybody gets the offset.
                    866:         */
                    867:
                    868:        p->offset += offset;
                    869:
                    870:        switch (type) {
1.264     schwarze  871:        case LIST_hang:
1.59      kristaps  872:                /*
                    873:                 * Same stipulation as above, regarding `-hang'.  We
                    874:                 * don't want to recalculate rmargin and offsets when
                    875:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    876:                 */
1.279     schwarze  877:                if (MDOC_HEAD == n->type &&
                    878:                    NULL != n->next &&
1.278     schwarze  879:                    NULL != n->next->child &&
                    880:                    (MDOC_Bl == n->next->child->tok ||
                    881:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  882:                        break;
                    883:                /* FALLTHROUGH */
1.264     schwarze  884:        case LIST_bullet:
1.1       kristaps  885:                /* FALLTHROUGH */
1.264     schwarze  886:        case LIST_dash:
1.1       kristaps  887:                /* FALLTHROUGH */
1.264     schwarze  888:        case LIST_enum:
1.1       kristaps  889:                /* FALLTHROUGH */
1.264     schwarze  890:        case LIST_hyphen:
1.1       kristaps  891:                /* FALLTHROUGH */
1.264     schwarze  892:        case LIST_tag:
1.49      kristaps  893:                assert(width);
1.86      kristaps  894:                if (MDOC_HEAD == n->type)
1.1       kristaps  895:                        p->rmargin = p->offset + width;
1.259     schwarze  896:                else {
1.1       kristaps  897:                        p->offset += width;
1.259     schwarze  898:                        if (p->rmargin < p->offset)
                    899:                                p->rmargin = p->offset;
                    900:                }
1.1       kristaps  901:                break;
1.264     schwarze  902:        case LIST_column:
1.49      kristaps  903:                assert(width);
1.1       kristaps  904:                p->rmargin = p->offset + width;
1.264     schwarze  905:                /*
1.50      kristaps  906:                 * XXX - this behaviour is not documented: the
                    907:                 * right-most column is filled to the right margin.
                    908:                 */
1.134     kristaps  909:                if (MDOC_HEAD == n->type)
                    910:                        break;
                    911:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  912:                        p->rmargin = p->maxrmargin;
1.1       kristaps  913:                break;
                    914:        default:
                    915:                break;
                    916:        }
                    917:
1.264     schwarze  918:        /*
1.1       kristaps  919:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  920:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  921:         */
                    922:
1.86      kristaps  923:        if (MDOC_HEAD == n->type)
1.1       kristaps  924:                switch (type) {
1.264     schwarze  925:                case LIST_bullet:
1.102     kristaps  926:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  927:                        term_word(p, "\\[bu]");
1.102     kristaps  928:                        term_fontpop(p);
1.1       kristaps  929:                        break;
1.264     schwarze  930:                case LIST_dash:
1.1       kristaps  931:                        /* FALLTHROUGH */
1.264     schwarze  932:                case LIST_hyphen:
1.102     kristaps  933:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  934:                        term_word(p, "\\(hy");
1.102     kristaps  935:                        term_fontpop(p);
1.1       kristaps  936:                        break;
1.264     schwarze  937:                case LIST_enum:
1.1       kristaps  938:                        (pair->ppair->ppair->count)++;
1.265     schwarze  939:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  940:                            pair->ppair->ppair->count);
1.1       kristaps  941:                        term_word(p, buf);
                    942:                        break;
                    943:                default:
                    944:                        break;
                    945:                }
                    946:
1.264     schwarze  947:        /*
1.1       kristaps  948:         * If we're not going to process our children, indicate so here.
                    949:         */
                    950:
                    951:        switch (type) {
1.264     schwarze  952:        case LIST_bullet:
1.1       kristaps  953:                /* FALLTHROUGH */
1.264     schwarze  954:        case LIST_item:
1.1       kristaps  955:                /* FALLTHROUGH */
1.264     schwarze  956:        case LIST_dash:
1.1       kristaps  957:                /* FALLTHROUGH */
1.264     schwarze  958:        case LIST_hyphen:
1.1       kristaps  959:                /* FALLTHROUGH */
1.264     schwarze  960:        case LIST_enum:
1.86      kristaps  961:                if (MDOC_HEAD == n->type)
1.1       kristaps  962:                        return(0);
                    963:                break;
1.264     schwarze  964:        case LIST_column:
1.134     kristaps  965:                if (MDOC_HEAD == n->type)
1.1       kristaps  966:                        return(0);
                    967:                break;
                    968:        default:
                    969:                break;
                    970:        }
                    971:
                    972:        return(1);
                    973: }
                    974:
                    975: static void
                    976: termp_it_post(DECL_ARGS)
                    977: {
1.126     kristaps  978:        enum mdoc_list     type;
1.1       kristaps  979:
1.109     kristaps  980:        if (MDOC_BLOCK == n->type)
1.1       kristaps  981:                return;
                    982:
1.202     kristaps  983:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  984:
                    985:        switch (type) {
1.264     schwarze  986:        case LIST_item:
1.1       kristaps  987:                /* FALLTHROUGH */
1.264     schwarze  988:        case LIST_diag:
1.53      kristaps  989:                /* FALLTHROUGH */
1.264     schwarze  990:        case LIST_inset:
1.86      kristaps  991:                if (MDOC_BODY == n->type)
1.130     schwarze  992:                        term_newln(p);
1.1       kristaps  993:                break;
1.264     schwarze  994:        case LIST_column:
1.134     kristaps  995:                if (MDOC_BODY == n->type)
1.1       kristaps  996:                        term_flushln(p);
                    997:                break;
                    998:        default:
1.130     schwarze  999:                term_newln(p);
1.1       kristaps 1000:                break;
                   1001:        }
                   1002:
1.264     schwarze 1003:        /*
1.109     kristaps 1004:         * Now that our output is flushed, we can reset our tags.  Since
                   1005:         * only `It' sets these flags, we're free to assume that nobody
                   1006:         * has munged them in the meanwhile.
                   1007:         */
                   1008:
1.263     schwarze 1009:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   1010:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze 1011:        p->trailspace = 0;
1.1       kristaps 1012: }
                   1013:
                   1014: static int
                   1015: termp_nm_pre(DECL_ARGS)
                   1016: {
                   1017:
1.253     schwarze 1018:        if (MDOC_BLOCK == n->type) {
                   1019:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1020:                return(1);
1.253     schwarze 1021:        }
1.164     schwarze 1022:
                   1023:        if (MDOC_BODY == n->type) {
                   1024:                if (NULL == n->child)
                   1025:                        return(0);
1.234     schwarze 1026:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1027:                p->offset += term_len(p, 1) +
1.245     schwarze 1028:                    (NULL == n->prev->child ?
                   1029:                     term_strlen(p, meta->name) :
1.164     schwarze 1030:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1031:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1032:                     term_len(p, 5));
1.262     schwarze 1033:                if (p->rmargin < p->offset)
                   1034:                        p->rmargin = p->offset;
1.164     schwarze 1035:                return(1);
                   1036:        }
                   1037:
1.245     schwarze 1038:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1039:                return(0);
1.125     kristaps 1040:
1.177     schwarze 1041:        if (MDOC_HEAD == n->type)
                   1042:                synopsis_pre(p, n->parent);
1.102     kristaps 1043:
1.279     schwarze 1044:        if (MDOC_HEAD == n->type &&
1.278     schwarze 1045:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1046:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1047:                p->trailspace = 1;
1.185     schwarze 1048:                p->rmargin = p->offset + term_len(p, 1);
                   1049:                if (NULL == n->child) {
1.245     schwarze 1050:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1051:                } else if (MDOC_TEXT == n->child->type) {
                   1052:                        p->rmargin += term_strlen(p, n->child->string);
                   1053:                        if (n->child->next)
                   1054:                                p->flags |= TERMP_HANG;
                   1055:                } else {
                   1056:                        p->rmargin += term_len(p, 5);
                   1057:                        p->flags |= TERMP_HANG;
                   1058:                }
1.164     schwarze 1059:        }
                   1060:
1.102     kristaps 1061:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1062:        if (NULL == n->child)
1.245     schwarze 1063:                term_word(p, meta->name);
1.1       kristaps 1064:        return(1);
                   1065: }
                   1066:
1.164     schwarze 1067: static void
                   1068: termp_nm_post(DECL_ARGS)
                   1069: {
                   1070:
1.253     schwarze 1071:        if (MDOC_BLOCK == n->type) {
                   1072:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279     schwarze 1073:        } else if (MDOC_HEAD == n->type &&
1.278     schwarze 1074:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1075:                term_flushln(p);
1.263     schwarze 1076:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1077:                p->trailspace = 0;
1.234     schwarze 1078:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1079:                term_flushln(p);
                   1080: }
                   1081:
1.1       kristaps 1082: static int
                   1083: termp_fl_pre(DECL_ARGS)
                   1084: {
                   1085:
1.102     kristaps 1086:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1087:        term_word(p, "\\-");
1.103     kristaps 1088:
1.280     schwarze 1089:        if ( ! (n->nchild == 0 &&
                   1090:            (n->next == NULL ||
                   1091:             n->next->type == MDOC_TEXT ||
                   1092:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1093:                p->flags |= TERMP_NOSPACE;
                   1094:
1.1       kristaps 1095:        return(1);
                   1096: }
                   1097:
                   1098: static int
1.184     kristaps 1099: termp__a_pre(DECL_ARGS)
                   1100: {
                   1101:
                   1102:        if (n->prev && MDOC__A == n->prev->tok)
                   1103:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1104:                        term_word(p, "and");
                   1105:
                   1106:        return(1);
                   1107: }
                   1108:
                   1109: static int
1.61      kristaps 1110: termp_an_pre(DECL_ARGS)
                   1111: {
                   1112:
1.282     schwarze 1113:        if (n->norm->An.auth == AUTH_split) {
                   1114:                p->flags &= ~TERMP_NOSPLIT;
                   1115:                p->flags |= TERMP_SPLIT;
                   1116:                return(0);
                   1117:        }
                   1118:        if (n->norm->An.auth == AUTH_nosplit) {
                   1119:                p->flags &= ~TERMP_SPLIT;
                   1120:                p->flags |= TERMP_NOSPLIT;
                   1121:                return(0);
                   1122:        }
1.61      kristaps 1123:
1.282     schwarze 1124:        if (n->child == NULL)
                   1125:                return(0);
1.264     schwarze 1126:
1.282     schwarze 1127:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1128:                term_newln(p);
                   1129:
1.282     schwarze 1130:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1131:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1132:
                   1133:        return(1);
                   1134: }
                   1135:
                   1136: static int
1.1       kristaps 1137: termp_ns_pre(DECL_ARGS)
                   1138: {
                   1139:
1.215     kristaps 1140:        if ( ! (MDOC_LINE & n->flags))
                   1141:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1142:        return(1);
                   1143: }
                   1144:
                   1145: static int
                   1146: termp_rs_pre(DECL_ARGS)
                   1147: {
                   1148:
1.86      kristaps 1149:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1150:                return(1);
1.86      kristaps 1151:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1152:                term_vspace(p);
                   1153:        return(1);
                   1154: }
                   1155:
                   1156: static int
                   1157: termp_rv_pre(DECL_ARGS)
                   1158: {
1.223     kristaps 1159:        int              nchild;
1.1       kristaps 1160:
                   1161:        term_newln(p);
                   1162:
1.223     kristaps 1163:        nchild = n->nchild;
1.273     schwarze 1164:        if (nchild > 0) {
                   1165:                term_word(p, "The");
1.224     kristaps 1166:
1.273     schwarze 1167:                for (n = n->child; n; n = n->next) {
                   1168:                        term_fontpush(p, TERMFONT_BOLD);
                   1169:                        term_word(p, n->string);
                   1170:                        term_fontpop(p);
1.223     kristaps 1171:
                   1172:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1173:                        term_word(p, "()");
                   1174:
                   1175:                        if (n->next == NULL)
                   1176:                                continue;
                   1177:
                   1178:                        if (nchild > 2) {
                   1179:                                p->flags |= TERMP_NOSPACE;
                   1180:                                term_word(p, ",");
                   1181:                        }
                   1182:                        if (n->next->next == NULL)
                   1183:                                term_word(p, "and");
1.223     kristaps 1184:                }
                   1185:
1.273     schwarze 1186:                if (nchild > 1)
                   1187:                        term_word(p, "functions return");
                   1188:                else
                   1189:                        term_word(p, "function returns");
                   1190:
                   1191:                term_word(p, "the value\\~0 if successful;");
                   1192:        } else
                   1193:                term_word(p, "Upon successful completion,"
                   1194:                    " the value\\~0 is returned;");
1.1       kristaps 1195:
1.273     schwarze 1196:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1197:            " and the global variable");
1.1       kristaps 1198:
1.102     kristaps 1199:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1200:        term_word(p, "errno");
1.102     kristaps 1201:        term_fontpop(p);
1.1       kristaps 1202:
1.264     schwarze 1203:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1204:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1205:
1.68      kristaps 1206:        return(0);
1.1       kristaps 1207: }
                   1208:
                   1209: static int
                   1210: termp_ex_pre(DECL_ARGS)
                   1211: {
1.224     kristaps 1212:        int              nchild;
1.1       kristaps 1213:
1.224     kristaps 1214:        term_newln(p);
1.68      kristaps 1215:        term_word(p, "The");
1.1       kristaps 1216:
1.224     kristaps 1217:        nchild = n->nchild;
                   1218:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1219:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1220:                term_word(p, n->string);
1.102     kristaps 1221:                term_fontpop(p);
1.224     kristaps 1222:
                   1223:                if (nchild > 2 && n->next) {
                   1224:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1225:                        term_word(p, ",");
1.224     kristaps 1226:                }
                   1227:
                   1228:                if (n->next && NULL == n->next->next)
                   1229:                        term_word(p, "and");
1.68      kristaps 1230:        }
                   1231:
1.224     kristaps 1232:        if (nchild > 1)
1.273     schwarze 1233:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1234:        else
1.273     schwarze 1235:                term_word(p, "utility exits\\~0");
1.68      kristaps 1236:
1.273     schwarze 1237:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1238:
1.131     kristaps 1239:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1240:        return(0);
1.1       kristaps 1241: }
                   1242:
                   1243: static int
                   1244: termp_nd_pre(DECL_ARGS)
                   1245: {
1.25      kristaps 1246:
1.86      kristaps 1247:        if (MDOC_BODY != n->type)
1.25      kristaps 1248:                return(1);
1.30      kristaps 1249:
1.27      kristaps 1250: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1251:        term_word(p, "\\(en");
1.23      kristaps 1252: #else
                   1253:        term_word(p, "\\(em");
                   1254: #endif
1.1       kristaps 1255:        return(1);
1.115     kristaps 1256: }
                   1257:
                   1258: static int
                   1259: termp_bl_pre(DECL_ARGS)
                   1260: {
                   1261:
                   1262:        return(MDOC_HEAD != n->type);
1.1       kristaps 1263: }
                   1264:
                   1265: static void
                   1266: termp_bl_post(DECL_ARGS)
                   1267: {
                   1268:
1.86      kristaps 1269:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1270:                term_newln(p);
                   1271: }
                   1272:
                   1273: static int
                   1274: termp_xr_pre(DECL_ARGS)
                   1275: {
                   1276:
1.225     kristaps 1277:        if (NULL == (n = n->child))
1.113     kristaps 1278:                return(0);
                   1279:
1.225     kristaps 1280:        assert(MDOC_TEXT == n->type);
                   1281:        term_word(p, n->string);
1.11      kristaps 1282:
1.264     schwarze 1283:        if (NULL == (n = n->next))
1.1       kristaps 1284:                return(0);
1.225     kristaps 1285:
1.1       kristaps 1286:        p->flags |= TERMP_NOSPACE;
                   1287:        term_word(p, "(");
1.222     kristaps 1288:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1289:
                   1290:        assert(MDOC_TEXT == n->type);
                   1291:        term_word(p, n->string);
                   1292:
1.222     kristaps 1293:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1294:        term_word(p, ")");
1.86      kristaps 1295:
1.1       kristaps 1296:        return(0);
                   1297: }
                   1298:
1.143     kristaps 1299: /*
                   1300:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1301:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1302:  * macro combos).
                   1303:  */
                   1304: static void
                   1305: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1306: {
1.264     schwarze 1307:        /*
1.143     kristaps 1308:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1309:         * exist, do nothing.
                   1310:         */
1.160     kristaps 1311:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1312:                return;
                   1313:
                   1314:        /*
                   1315:         * If we're the second in a pair of like elements, emit our
                   1316:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1317:         * case we soldier on.
                   1318:         */
1.264     schwarze 1319:        if (n->prev->tok == n->tok &&
                   1320:            MDOC_Ft != n->tok &&
                   1321:            MDOC_Fo != n->tok &&
                   1322:            MDOC_Fn != n->tok) {
1.143     kristaps 1323:                term_newln(p);
                   1324:                return;
                   1325:        }
                   1326:
                   1327:        /*
                   1328:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1329:         * another (or Fn/Fo, which we've let slip through) then assert
                   1330:         * vertical space, else only newline and move on.
                   1331:         */
                   1332:        switch (n->prev->tok) {
1.264     schwarze 1333:        case MDOC_Fd:
1.143     kristaps 1334:                /* FALLTHROUGH */
1.264     schwarze 1335:        case MDOC_Fn:
1.143     kristaps 1336:                /* FALLTHROUGH */
1.264     schwarze 1337:        case MDOC_Fo:
1.143     kristaps 1338:                /* FALLTHROUGH */
1.264     schwarze 1339:        case MDOC_In:
1.143     kristaps 1340:                /* FALLTHROUGH */
1.264     schwarze 1341:        case MDOC_Vt:
1.143     kristaps 1342:                term_vspace(p);
                   1343:                break;
1.264     schwarze 1344:        case MDOC_Ft:
1.143     kristaps 1345:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1346:                        term_vspace(p);
                   1347:                        break;
                   1348:                }
                   1349:                /* FALLTHROUGH */
                   1350:        default:
                   1351:                term_newln(p);
                   1352:                break;
                   1353:        }
                   1354: }
                   1355:
1.110     kristaps 1356: static int
                   1357: termp_vt_pre(DECL_ARGS)
                   1358: {
                   1359:
1.143     kristaps 1360:        if (MDOC_ELEM == n->type) {
                   1361:                synopsis_pre(p, n);
1.245     schwarze 1362:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1363:        } else if (MDOC_BLOCK == n->type) {
                   1364:                synopsis_pre(p, n);
                   1365:                return(1);
                   1366:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1367:                return(0);
                   1368:
1.245     schwarze 1369:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1370: }
                   1371:
1.1       kristaps 1372: static int
1.69      kristaps 1373: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1374: {
                   1375:
1.102     kristaps 1376:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1377:        return(1);
                   1378: }
                   1379:
1.143     kristaps 1380: static int
                   1381: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1382: {
                   1383:
1.143     kristaps 1384:        synopsis_pre(p, n);
1.245     schwarze 1385:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1386: }
                   1387:
1.241     schwarze 1388: static void
                   1389: termp_fd_post(DECL_ARGS)
                   1390: {
                   1391:
                   1392:        term_newln(p);
                   1393: }
                   1394:
1.1       kristaps 1395: static int
                   1396: termp_sh_pre(DECL_ARGS)
                   1397: {
1.85      kristaps 1398:
                   1399:        /* No vspace between consecutive `Sh' calls. */
                   1400:
1.86      kristaps 1401:        switch (n->type) {
1.264     schwarze 1402:        case MDOC_BLOCK:
1.86      kristaps 1403:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1404:                        if (NULL == n->prev->body->child)
1.65      kristaps 1405:                                break;
                   1406:                term_vspace(p);
                   1407:                break;
1.264     schwarze 1408:        case MDOC_HEAD:
1.102     kristaps 1409:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1410:                break;
1.264     schwarze 1411:        case MDOC_BODY:
1.238     schwarze 1412:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1413:                if (SEC_AUTHORS == n->sec)
                   1414:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1415:                break;
                   1416:        default:
                   1417:                break;
                   1418:        }
                   1419:        return(1);
                   1420: }
                   1421:
                   1422: static void
                   1423: termp_sh_post(DECL_ARGS)
                   1424: {
                   1425:
1.86      kristaps 1426:        switch (n->type) {
1.264     schwarze 1427:        case MDOC_HEAD:
1.1       kristaps 1428:                term_newln(p);
                   1429:                break;
1.264     schwarze 1430:        case MDOC_BODY:
1.1       kristaps 1431:                term_newln(p);
                   1432:                p->offset = 0;
                   1433:                break;
                   1434:        default:
                   1435:                break;
                   1436:        }
                   1437: }
                   1438:
                   1439: static int
                   1440: termp_bt_pre(DECL_ARGS)
                   1441: {
                   1442:
                   1443:        term_word(p, "is currently in beta test.");
1.131     kristaps 1444:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1445:        return(0);
1.1       kristaps 1446: }
                   1447:
                   1448: static void
                   1449: termp_lb_post(DECL_ARGS)
                   1450: {
                   1451:
1.122     kristaps 1452:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1453:                term_newln(p);
1.1       kristaps 1454: }
                   1455:
                   1456: static int
                   1457: termp_ud_pre(DECL_ARGS)
                   1458: {
                   1459:
                   1460:        term_word(p, "currently under development.");
1.131     kristaps 1461:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1462:        return(0);
1.1       kristaps 1463: }
                   1464:
                   1465: static int
                   1466: termp_d1_pre(DECL_ARGS)
                   1467: {
                   1468:
1.86      kristaps 1469:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1470:                return(1);
                   1471:        term_newln(p);
1.238     schwarze 1472:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1473:        return(1);
                   1474: }
                   1475:
                   1476: static int
                   1477: termp_ft_pre(DECL_ARGS)
                   1478: {
                   1479:
1.141     kristaps 1480:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1481:        synopsis_pre(p, n);
1.102     kristaps 1482:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1483:        return(1);
                   1484: }
                   1485:
                   1486: static int
                   1487: termp_fn_pre(DECL_ARGS)
                   1488: {
1.257     schwarze 1489:        size_t           rmargin = 0;
1.226     kristaps 1490:        int              pretty;
                   1491:
                   1492:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1493:
1.143     kristaps 1494:        synopsis_pre(p, n);
1.139     kristaps 1495:
1.226     kristaps 1496:        if (NULL == (n = n->child))
                   1497:                return(0);
                   1498:
1.251     schwarze 1499:        if (pretty) {
                   1500:                rmargin = p->rmargin;
1.257     schwarze 1501:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1502:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1503:        }
                   1504:
1.226     kristaps 1505:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1506:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1507:        term_word(p, n->string);
1.102     kristaps 1508:        term_fontpop(p);
1.1       kristaps 1509:
1.251     schwarze 1510:        if (pretty) {
                   1511:                term_flushln(p);
1.263     schwarze 1512:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1513:                p->offset = p->rmargin;
                   1514:                p->rmargin = rmargin;
                   1515:        }
                   1516:
1.1       kristaps 1517:        p->flags |= TERMP_NOSPACE;
                   1518:        term_word(p, "(");
1.222     kristaps 1519:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1520:
1.226     kristaps 1521:        for (n = n->next; n; n = n->next) {
                   1522:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1523:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1524:                if (pretty)
                   1525:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1526:                term_word(p, n->string);
1.102     kristaps 1527:                term_fontpop(p);
                   1528:
1.226     kristaps 1529:                if (n->next) {
1.222     kristaps 1530:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1531:                        term_word(p, ",");
1.222     kristaps 1532:                }
1.1       kristaps 1533:        }
                   1534:
1.222     kristaps 1535:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1536:        term_word(p, ")");
                   1537:
1.226     kristaps 1538:        if (pretty) {
1.222     kristaps 1539:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1540:                term_word(p, ";");
1.251     schwarze 1541:                term_flushln(p);
1.222     kristaps 1542:        }
1.1       kristaps 1543:
                   1544:        return(0);
                   1545: }
                   1546:
                   1547: static int
                   1548: termp_fa_pre(DECL_ARGS)
                   1549: {
1.86      kristaps 1550:        const struct mdoc_node  *nn;
1.1       kristaps 1551:
1.86      kristaps 1552:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1553:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1554:                return(1);
                   1555:        }
                   1556:
1.86      kristaps 1557:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1558:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1559:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1560:                term_word(p, nn->string);
1.102     kristaps 1561:                term_fontpop(p);
                   1562:
1.256     schwarze 1563:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1564:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1565:                        term_word(p, ",");
1.222     kristaps 1566:                }
1.1       kristaps 1567:        }
                   1568:
                   1569:        return(0);
                   1570: }
                   1571:
                   1572: static int
                   1573: termp_bd_pre(DECL_ARGS)
                   1574: {
1.272     schwarze 1575:        size_t                   tabwidth, lm, len, rm, rmax;
1.244     schwarze 1576:        struct mdoc_node        *nn;
1.1       kristaps 1577:
1.86      kristaps 1578:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1579:                print_bvspace(p, n, n);
1.54      kristaps 1580:                return(1);
1.116     kristaps 1581:        } else if (MDOC_HEAD == n->type)
                   1582:                return(0);
1.1       kristaps 1583:
1.202     kristaps 1584:        if (n->norm->Bd.offs)
                   1585:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1586:
                   1587:        /*
                   1588:         * If -ragged or -filled are specified, the block does nothing
                   1589:         * but change the indentation.  If -unfilled or -literal are
                   1590:         * specified, text is printed exactly as entered in the display:
                   1591:         * for macro lines, a newline is appended to the line.  Blank
                   1592:         * lines are allowed.
                   1593:         */
1.264     schwarze 1594:
                   1595:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1596:            DISP_unfilled != n->norm->Bd.type &&
                   1597:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1598:                return(1);
                   1599:
1.129     schwarze 1600:        tabwidth = p->tabwidth;
1.208     kristaps 1601:        if (DISP_literal == n->norm->Bd.type)
                   1602:                p->tabwidth = term_len(p, 8);
                   1603:
1.272     schwarze 1604:        lm = p->offset;
1.119     kristaps 1605:        rm = p->rmargin;
                   1606:        rmax = p->maxrmargin;
1.120     kristaps 1607:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1608:
1.86      kristaps 1609:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1610:                if (DISP_centered == n->norm->Bd.type) {
                   1611:                        if (MDOC_TEXT == nn->type) {
                   1612:                                len = term_strlen(p, nn->string);
                   1613:                                p->offset = len >= rm ? 0 :
                   1614:                                    lm + len >= rm ? rm - len :
                   1615:                                    (lm + rm - len) / 2;
                   1616:                        } else
                   1617:                                p->offset = lm;
                   1618:                }
1.245     schwarze 1619:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1620:                /*
                   1621:                 * If the printed node flushes its own line, then we
                   1622:                 * needn't do it here as well.  This is hacky, but the
                   1623:                 * notion of selective eoln whitespace is pretty dumb
                   1624:                 * anyway, so don't sweat it.
                   1625:                 */
                   1626:                switch (nn->tok) {
1.264     schwarze 1627:                case MDOC_Sm:
1.193     kristaps 1628:                        /* FALLTHROUGH */
1.264     schwarze 1629:                case MDOC_br:
1.190     kristaps 1630:                        /* FALLTHROUGH */
1.264     schwarze 1631:                case MDOC_sp:
1.190     kristaps 1632:                        /* FALLTHROUGH */
1.264     schwarze 1633:                case MDOC_Bl:
1.196     kristaps 1634:                        /* FALLTHROUGH */
1.264     schwarze 1635:                case MDOC_D1:
1.196     kristaps 1636:                        /* FALLTHROUGH */
1.264     schwarze 1637:                case MDOC_Dl:
1.190     kristaps 1638:                        /* FALLTHROUGH */
1.264     schwarze 1639:                case MDOC_Lp:
1.190     kristaps 1640:                        /* FALLTHROUGH */
1.264     schwarze 1641:                case MDOC_Pp:
1.190     kristaps 1642:                        continue;
                   1643:                default:
                   1644:                        break;
                   1645:                }
1.180     schwarze 1646:                if (nn->next && nn->next->line == nn->line)
                   1647:                        continue;
                   1648:                term_flushln(p);
                   1649:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1650:        }
1.147     kristaps 1651:
1.129     schwarze 1652:        p->tabwidth = tabwidth;
1.119     kristaps 1653:        p->rmargin = rm;
                   1654:        p->maxrmargin = rmax;
1.1       kristaps 1655:        return(0);
                   1656: }
                   1657:
                   1658: static void
                   1659: termp_bd_post(DECL_ARGS)
                   1660: {
1.119     kristaps 1661:        size_t           rm, rmax;
1.1       kristaps 1662:
1.264     schwarze 1663:        if (MDOC_BODY != n->type)
1.1       kristaps 1664:                return;
1.118     kristaps 1665:
1.119     kristaps 1666:        rm = p->rmargin;
                   1667:        rmax = p->maxrmargin;
1.118     kristaps 1668:
1.264     schwarze 1669:        if (DISP_literal == n->norm->Bd.type ||
                   1670:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1671:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1672:
1.60      kristaps 1673:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1674:        term_newln(p);
1.118     kristaps 1675:
1.119     kristaps 1676:        p->rmargin = rm;
                   1677:        p->maxrmargin = rmax;
1.1       kristaps 1678: }
                   1679:
1.211     kristaps 1680: static int
                   1681: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1682: {
                   1683:
1.211     kristaps 1684:        if (NULL != (n = n->child)) {
                   1685:                term_word(p, n->string);
                   1686:                p->flags |= TERMP_NOSPACE;
                   1687:                term_word(p, "BSD");
                   1688:        } else {
                   1689:                term_word(p, "BSD");
                   1690:                return(0);
                   1691:        }
                   1692:
                   1693:        if (NULL != (n = n->next)) {
                   1694:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1695:                term_word(p, "-");
1.1       kristaps 1696:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1697:                term_word(p, n->string);
1.211     kristaps 1698:        }
                   1699:
                   1700:        return(0);
1.1       kristaps 1701: }
                   1702:
                   1703: static int
1.26      kristaps 1704: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1705: {
1.26      kristaps 1706:        const char      *pp;
1.218     schwarze 1707:        int              flags;
1.1       kristaps 1708:
1.26      kristaps 1709:        pp = NULL;
1.86      kristaps 1710:        switch (n->tok) {
1.264     schwarze 1711:        case MDOC_Bsx:
1.194     schwarze 1712:                pp = "BSD/OS";
1.26      kristaps 1713:                break;
1.264     schwarze 1714:        case MDOC_Dx:
1.100     kristaps 1715:                pp = "DragonFly";
1.26      kristaps 1716:                break;
1.264     schwarze 1717:        case MDOC_Fx:
1.26      kristaps 1718:                pp = "FreeBSD";
                   1719:                break;
1.264     schwarze 1720:        case MDOC_Nx:
1.26      kristaps 1721:                pp = "NetBSD";
                   1722:                break;
1.264     schwarze 1723:        case MDOC_Ox:
1.26      kristaps 1724:                pp = "OpenBSD";
                   1725:                break;
1.264     schwarze 1726:        case MDOC_Ux:
1.26      kristaps 1727:                pp = "UNIX";
                   1728:                break;
                   1729:        default:
1.246     schwarze 1730:                abort();
                   1731:                /* NOTREACHED */
1.26      kristaps 1732:        }
1.1       kristaps 1733:
1.26      kristaps 1734:        term_word(p, pp);
1.214     kristaps 1735:        if (n->child) {
1.218     schwarze 1736:                flags = p->flags;
1.214     kristaps 1737:                p->flags |= TERMP_KEEP;
                   1738:                term_word(p, n->child->string);
1.218     schwarze 1739:                p->flags = flags;
1.214     kristaps 1740:        }
                   1741:        return(0);
1.1       kristaps 1742: }
                   1743:
                   1744: static void
                   1745: termp_pf_post(DECL_ARGS)
                   1746: {
                   1747:
                   1748:        p->flags |= TERMP_NOSPACE;
                   1749: }
                   1750:
                   1751: static int
                   1752: termp_ss_pre(DECL_ARGS)
                   1753: {
                   1754:
1.86      kristaps 1755:        switch (n->type) {
1.264     schwarze 1756:        case MDOC_BLOCK:
1.1       kristaps 1757:                term_newln(p);
1.86      kristaps 1758:                if (n->prev)
1.1       kristaps 1759:                        term_vspace(p);
                   1760:                break;
1.264     schwarze 1761:        case MDOC_HEAD:
1.102     kristaps 1762:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1763:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1764:                break;
1.274     schwarze 1765:        case MDOC_BODY:
                   1766:                p->offset = term_len(p, p->defindent);
                   1767:                break;
1.1       kristaps 1768:        default:
                   1769:                break;
                   1770:        }
                   1771:
                   1772:        return(1);
                   1773: }
                   1774:
                   1775: static void
                   1776: termp_ss_post(DECL_ARGS)
                   1777: {
                   1778:
1.274     schwarze 1779:        if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1       kristaps 1780:                term_newln(p);
                   1781: }
                   1782:
                   1783: static int
                   1784: termp_cd_pre(DECL_ARGS)
                   1785: {
                   1786:
1.143     kristaps 1787:        synopsis_pre(p, n);
1.102     kristaps 1788:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1789:        return(1);
                   1790: }
                   1791:
                   1792: static int
                   1793: termp_in_pre(DECL_ARGS)
                   1794: {
1.142     schwarze 1795:
1.143     kristaps 1796:        synopsis_pre(p, n);
1.1       kristaps 1797:
1.160     kristaps 1798:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1799:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1800:                term_word(p, "#include");
1.138     kristaps 1801:                term_word(p, "<");
                   1802:        } else {
                   1803:                term_word(p, "<");
                   1804:                term_fontpush(p, TERMFONT_UNDER);
                   1805:        }
1.22      kristaps 1806:
1.1       kristaps 1807:        p->flags |= TERMP_NOSPACE;
                   1808:        return(1);
                   1809: }
                   1810:
                   1811: static void
                   1812: termp_in_post(DECL_ARGS)
                   1813: {
                   1814:
1.160     kristaps 1815:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1816:                term_fontpush(p, TERMFONT_BOLD);
                   1817:
1.79      kristaps 1818:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1819:        term_word(p, ">");
                   1820:
1.160     kristaps 1821:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1822:                term_fontpop(p);
1.1       kristaps 1823: }
                   1824:
                   1825: static int
1.45      kristaps 1826: termp_sp_pre(DECL_ARGS)
                   1827: {
1.91      kristaps 1828:        size_t           i, len;
1.45      kristaps 1829:
1.86      kristaps 1830:        switch (n->tok) {
1.264     schwarze 1831:        case MDOC_sp:
1.157     kristaps 1832:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1833:                break;
1.264     schwarze 1834:        case MDOC_br:
1.76      kristaps 1835:                len = 0;
                   1836:                break;
                   1837:        default:
                   1838:                len = 1;
                   1839:                break;
1.45      kristaps 1840:        }
                   1841:
                   1842:        if (0 == len)
                   1843:                term_newln(p);
                   1844:        for (i = 0; i < len; i++)
                   1845:                term_vspace(p);
                   1846:
                   1847:        return(0);
                   1848: }
                   1849:
                   1850: static int
1.268     schwarze 1851: termp_es_pre(DECL_ARGS)
                   1852: {
                   1853:
                   1854:        return(0);
                   1855: }
                   1856:
                   1857: static int
1.188     kristaps 1858: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1859: {
                   1860:
1.203     kristaps 1861:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1862:                return(1);
                   1863:
1.188     kristaps 1864:        switch (n->tok) {
1.264     schwarze 1865:        case MDOC_Ao:
1.188     kristaps 1866:                /* FALLTHROUGH */
1.264     schwarze 1867:        case MDOC_Aq:
1.188     kristaps 1868:                term_word(p, "<");
                   1869:                break;
1.264     schwarze 1870:        case MDOC_Bro:
1.188     kristaps 1871:                /* FALLTHROUGH */
1.264     schwarze 1872:        case MDOC_Brq:
1.188     kristaps 1873:                term_word(p, "{");
                   1874:                break;
1.264     schwarze 1875:        case MDOC_Oo:
1.188     kristaps 1876:                /* FALLTHROUGH */
1.264     schwarze 1877:        case MDOC_Op:
1.188     kristaps 1878:                /* FALLTHROUGH */
1.264     schwarze 1879:        case MDOC_Bo:
1.188     kristaps 1880:                /* FALLTHROUGH */
1.264     schwarze 1881:        case MDOC_Bq:
1.188     kristaps 1882:                term_word(p, "[");
                   1883:                break;
1.264     schwarze 1884:        case MDOC_Do:
1.188     kristaps 1885:                /* FALLTHROUGH */
1.264     schwarze 1886:        case MDOC_Dq:
1.249     schwarze 1887:                term_word(p, "\\(lq");
1.188     kristaps 1888:                break;
1.268     schwarze 1889:        case MDOC_En:
                   1890:                if (NULL == n->norm->Es ||
                   1891:                    NULL == n->norm->Es->child)
                   1892:                        return(1);
                   1893:                term_word(p, n->norm->Es->child->string);
                   1894:                break;
1.264     schwarze 1895:        case MDOC_Eo:
1.237     schwarze 1896:                break;
1.264     schwarze 1897:        case MDOC_Po:
1.188     kristaps 1898:                /* FALLTHROUGH */
1.264     schwarze 1899:        case MDOC_Pq:
1.188     kristaps 1900:                term_word(p, "(");
                   1901:                break;
1.264     schwarze 1902:        case MDOC__T:
1.205     kristaps 1903:                /* FALLTHROUGH */
1.264     schwarze 1904:        case MDOC_Qo:
1.188     kristaps 1905:                /* FALLTHROUGH */
1.264     schwarze 1906:        case MDOC_Qq:
1.188     kristaps 1907:                term_word(p, "\"");
                   1908:                break;
1.264     schwarze 1909:        case MDOC_Ql:
1.188     kristaps 1910:                /* FALLTHROUGH */
1.264     schwarze 1911:        case MDOC_So:
1.188     kristaps 1912:                /* FALLTHROUGH */
1.264     schwarze 1913:        case MDOC_Sq:
1.249     schwarze 1914:                term_word(p, "\\(oq");
1.188     kristaps 1915:                break;
                   1916:        default:
                   1917:                abort();
                   1918:                /* NOTREACHED */
                   1919:        }
1.1       kristaps 1920:
                   1921:        p->flags |= TERMP_NOSPACE;
                   1922:        return(1);
                   1923: }
                   1924:
                   1925: static void
1.188     kristaps 1926: termp_quote_post(DECL_ARGS)
1.1       kristaps 1927: {
                   1928:
1.203     kristaps 1929:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1930:                return;
                   1931:
1.268     schwarze 1932:        if (MDOC_En != n->tok)
                   1933:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1934:
1.188     kristaps 1935:        switch (n->tok) {
1.264     schwarze 1936:        case MDOC_Ao:
1.188     kristaps 1937:                /* FALLTHROUGH */
1.264     schwarze 1938:        case MDOC_Aq:
1.188     kristaps 1939:                term_word(p, ">");
                   1940:                break;
1.264     schwarze 1941:        case MDOC_Bro:
1.188     kristaps 1942:                /* FALLTHROUGH */
1.264     schwarze 1943:        case MDOC_Brq:
1.188     kristaps 1944:                term_word(p, "}");
                   1945:                break;
1.264     schwarze 1946:        case MDOC_Oo:
1.188     kristaps 1947:                /* FALLTHROUGH */
1.264     schwarze 1948:        case MDOC_Op:
1.188     kristaps 1949:                /* FALLTHROUGH */
1.264     schwarze 1950:        case MDOC_Bo:
1.188     kristaps 1951:                /* FALLTHROUGH */
1.264     schwarze 1952:        case MDOC_Bq:
1.188     kristaps 1953:                term_word(p, "]");
                   1954:                break;
1.264     schwarze 1955:        case MDOC_Do:
1.188     kristaps 1956:                /* FALLTHROUGH */
1.264     schwarze 1957:        case MDOC_Dq:
1.249     schwarze 1958:                term_word(p, "\\(rq");
1.268     schwarze 1959:                break;
                   1960:        case MDOC_En:
                   1961:                if (NULL != n->norm->Es &&
                   1962:                    NULL != n->norm->Es->child &&
                   1963:                    NULL != n->norm->Es->child->next) {
                   1964:                        p->flags |= TERMP_NOSPACE;
                   1965:                        term_word(p, n->norm->Es->child->next->string);
                   1966:                }
1.237     schwarze 1967:                break;
1.264     schwarze 1968:        case MDOC_Eo:
1.188     kristaps 1969:                break;
1.264     schwarze 1970:        case MDOC_Po:
1.188     kristaps 1971:                /* FALLTHROUGH */
1.264     schwarze 1972:        case MDOC_Pq:
1.188     kristaps 1973:                term_word(p, ")");
                   1974:                break;
1.264     schwarze 1975:        case MDOC__T:
1.205     kristaps 1976:                /* FALLTHROUGH */
1.264     schwarze 1977:        case MDOC_Qo:
1.188     kristaps 1978:                /* FALLTHROUGH */
1.264     schwarze 1979:        case MDOC_Qq:
1.188     kristaps 1980:                term_word(p, "\"");
                   1981:                break;
1.264     schwarze 1982:        case MDOC_Ql:
1.188     kristaps 1983:                /* FALLTHROUGH */
1.264     schwarze 1984:        case MDOC_So:
1.188     kristaps 1985:                /* FALLTHROUGH */
1.264     schwarze 1986:        case MDOC_Sq:
1.249     schwarze 1987:                term_word(p, "\\(cq");
1.188     kristaps 1988:                break;
                   1989:        default:
                   1990:                abort();
                   1991:                /* NOTREACHED */
                   1992:        }
1.1       kristaps 1993: }
                   1994:
                   1995: static int
                   1996: termp_fo_pre(DECL_ARGS)
                   1997: {
1.257     schwarze 1998:        size_t           rmargin = 0;
1.256     schwarze 1999:        int              pretty;
                   2000:
                   2001:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2002:
1.141     kristaps 2003:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2004:                synopsis_pre(p, n);
1.141     kristaps 2005:                return(1);
                   2006:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 2007:                if (pretty) {
                   2008:                        rmargin = p->rmargin;
1.257     schwarze 2009:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2010:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2011:                                        TERMP_HANG;
1.256     schwarze 2012:                }
1.33      kristaps 2013:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2014:                term_word(p, "(");
1.222     kristaps 2015:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2016:                if (pretty) {
                   2017:                        term_flushln(p);
1.263     schwarze 2018:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2019:                                        TERMP_HANG);
1.256     schwarze 2020:                        p->offset = p->rmargin;
                   2021:                        p->rmargin = rmargin;
                   2022:                }
1.1       kristaps 2023:                return(1);
1.256     schwarze 2024:        }
1.141     kristaps 2025:
1.169     kristaps 2026:        if (NULL == n->child)
                   2027:                return(0);
                   2028:
1.141     kristaps 2029:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2030:
1.141     kristaps 2031:        assert(n->child->string);
1.102     kristaps 2032:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2033:        term_word(p, n->child->string);
1.1       kristaps 2034:        return(0);
                   2035: }
                   2036:
                   2037: static void
                   2038: termp_fo_post(DECL_ARGS)
                   2039: {
                   2040:
1.264     schwarze 2041:        if (MDOC_BODY != n->type)
1.143     kristaps 2042:                return;
                   2043:
1.222     kristaps 2044:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2045:        term_word(p, ")");
                   2046:
1.222     kristaps 2047:        if (MDOC_SYNPRETTY & n->flags) {
                   2048:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2049:                term_word(p, ";");
1.256     schwarze 2050:                term_flushln(p);
1.222     kristaps 2051:        }
1.1       kristaps 2052: }
                   2053:
                   2054: static int
                   2055: termp_bf_pre(DECL_ARGS)
                   2056: {
                   2057:
1.86      kristaps 2058:        if (MDOC_HEAD == n->type)
1.1       kristaps 2059:                return(0);
1.244     schwarze 2060:        else if (MDOC_BODY != n->type)
1.1       kristaps 2061:                return(1);
                   2062:
1.264     schwarze 2063:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2064:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2065:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2066:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2067:        else
1.102     kristaps 2068:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2069:
                   2070:        return(1);
                   2071: }
                   2072:
                   2073: static int
                   2074: termp_sm_pre(DECL_ARGS)
                   2075: {
                   2076:
1.269     schwarze 2077:        if (NULL == n->child)
                   2078:                p->flags ^= TERMP_NONOSPACE;
                   2079:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2080:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2081:        else
1.1       kristaps 2082:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2083:
                   2084:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2085:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2086:
                   2087:        return(0);
                   2088: }
                   2089:
                   2090: static int
                   2091: termp_ap_pre(DECL_ARGS)
                   2092: {
                   2093:
                   2094:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2095:        term_word(p, "'");
1.1       kristaps 2096:        p->flags |= TERMP_NOSPACE;
                   2097:        return(1);
                   2098: }
                   2099:
                   2100: static void
                   2101: termp____post(DECL_ARGS)
                   2102: {
1.184     kristaps 2103:
                   2104:        /*
                   2105:         * Handle lists of authors.  In general, print each followed by
                   2106:         * a comma.  Don't print the comma if there are only two
                   2107:         * authors.
                   2108:         */
                   2109:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2110:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2111:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2112:                                return;
1.1       kristaps 2113:
1.95      kristaps 2114:        /* TODO: %U. */
                   2115:
1.187     kristaps 2116:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2117:                return;
                   2118:
1.222     kristaps 2119:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2120:        if (NULL == n->next) {
                   2121:                term_word(p, ".");
                   2122:                p->flags |= TERMP_SENTENCE;
                   2123:        } else
                   2124:                term_word(p, ",");
1.1       kristaps 2125: }
                   2126:
                   2127: static int
1.102     kristaps 2128: termp_li_pre(DECL_ARGS)
                   2129: {
                   2130:
                   2131:        term_fontpush(p, TERMFONT_NONE);
                   2132:        return(1);
                   2133: }
                   2134:
                   2135: static int
1.1       kristaps 2136: termp_lk_pre(DECL_ARGS)
                   2137: {
1.240     schwarze 2138:        const struct mdoc_node *link, *descr;
1.1       kristaps 2139:
1.240     schwarze 2140:        if (NULL == (link = n->child))
                   2141:                return(0);
1.181     kristaps 2142:
1.240     schwarze 2143:        if (NULL != (descr = link->next)) {
                   2144:                term_fontpush(p, TERMFONT_UNDER);
                   2145:                while (NULL != descr) {
                   2146:                        term_word(p, descr->string);
                   2147:                        descr = descr->next;
                   2148:                }
                   2149:                p->flags |= TERMP_NOSPACE;
                   2150:                term_word(p, ":");
                   2151:                term_fontpop(p);
                   2152:        }
1.1       kristaps 2153:
1.102     kristaps 2154:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2155:        term_word(p, link->string);
1.102     kristaps 2156:        term_fontpop(p);
1.12      kristaps 2157:
1.1       kristaps 2158:        return(0);
                   2159: }
                   2160:
1.159     schwarze 2161: static int
                   2162: termp_bk_pre(DECL_ARGS)
                   2163: {
                   2164:
1.161     schwarze 2165:        switch (n->type) {
1.264     schwarze 2166:        case MDOC_BLOCK:
1.166     kristaps 2167:                break;
1.264     schwarze 2168:        case MDOC_HEAD:
1.161     schwarze 2169:                return(0);
1.264     schwarze 2170:        case MDOC_BODY:
1.200     schwarze 2171:                if (n->parent->args || 0 == n->prev->nchild)
                   2172:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2173:                break;
1.161     schwarze 2174:        default:
                   2175:                abort();
1.166     kristaps 2176:                /* NOTREACHED */
1.161     schwarze 2177:        }
1.166     kristaps 2178:
                   2179:        return(1);
1.159     schwarze 2180: }
                   2181:
                   2182: static void
                   2183: termp_bk_post(DECL_ARGS)
                   2184: {
                   2185:
1.253     schwarze 2186:        if (MDOC_BODY == n->type)
1.161     schwarze 2187:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2188: }
                   2189:
                   2190: static void
                   2191: termp__t_post(DECL_ARGS)
                   2192: {
                   2193:
                   2194:        /*
                   2195:         * If we're in an `Rs' and there's a journal present, then quote
                   2196:         * us instead of underlining us (for disambiguation).
                   2197:         */
1.217     schwarze 2198:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2199:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2200:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2201:
1.245     schwarze 2202:        termp____post(p, pair, meta, n);
1.203     kristaps 2203: }
                   2204:
                   2205: static int
                   2206: termp__t_pre(DECL_ARGS)
                   2207: {
                   2208:
                   2209:        /*
                   2210:         * If we're in an `Rs' and there's a journal present, then quote
                   2211:         * us instead of underlining us (for disambiguation).
                   2212:         */
                   2213:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2214:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2215:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2216:
                   2217:        term_fontpush(p, TERMFONT_UNDER);
                   2218:        return(1);
1.159     schwarze 2219: }
1.1       kristaps 2220:
                   2221: static int
1.69      kristaps 2222: termp_under_pre(DECL_ARGS)
1.1       kristaps 2223: {
                   2224:
1.102     kristaps 2225:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2226:        return(1);
                   2227: }

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