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Annotation of mandoc/mdoc_term.c, Revision 1.269

1.269   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.268 2014/07/02 03:48:07 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: #ifdef HAVE_CONFIG_H
                     20: #include "config.h"
                     21: #endif
                     22:
1.1       kristaps   23: #include <sys/types.h>
                     24:
                     25: #include <assert.h>
                     26: #include <ctype.h>
1.118     kristaps   27: #include <stdint.h>
1.1       kristaps   28: #include <stdio.h>
                     29: #include <stdlib.h>
                     30: #include <string.h>
                     31:
1.125     kristaps   32: #include "mandoc.h"
1.266     schwarze   33: #include "mandoc_aux.h"
1.92      kristaps   34: #include "out.h"
1.1       kristaps   35: #include "term.h"
                     36: #include "mdoc.h"
1.89      kristaps   37: #include "main.h"
1.1       kristaps   38:
                     39: struct termpair {
                     40:        struct termpair  *ppair;
1.31      kristaps   41:        int               count;
1.1       kristaps   42: };
                     43:
1.31      kristaps   44: #define        DECL_ARGS struct termp *p, \
                     45:                  struct termpair *pair, \
1.264     schwarze   46:                  const struct mdoc_meta *meta, \
1.244     schwarze   47:                  struct mdoc_node *n
1.1       kristaps   48:
                     49: struct termact {
                     50:        int     (*pre)(DECL_ARGS);
                     51:        void    (*post)(DECL_ARGS);
                     52: };
                     53:
1.157     kristaps   54: static size_t    a2width(const struct termp *, const char *);
                     55: static size_t    a2height(const struct termp *, const char *);
                     56: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   57:
                     58: static void      print_bvspace(struct termp *,
1.151     kristaps   59:                        const struct mdoc_node *,
1.96      kristaps   60:                        const struct mdoc_node *);
1.264     schwarze   61: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   62: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   63: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   64: static void      print_mdoc_foot(struct termp *, const void *);
1.264     schwarze   65: static void      synopsis_pre(struct termp *,
1.143     kristaps   66:                        const struct mdoc_node *);
1.96      kristaps   67:
1.31      kristaps   68: static void      termp____post(DECL_ARGS);
1.203     kristaps   69: static void      termp__t_post(DECL_ARGS);
1.61      kristaps   70: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   71: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   72: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   73: static void      termp_bl_post(DECL_ARGS);
1.241     schwarze   74: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   75: static void      termp_fo_post(DECL_ARGS);
                     76: static void      termp_in_post(DECL_ARGS);
                     77: static void      termp_it_post(DECL_ARGS);
                     78: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   79: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   80: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   81: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   82: static void      termp_sh_post(DECL_ARGS);
                     83: static void      termp_ss_post(DECL_ARGS);
                     84:
1.184     kristaps   85: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   86: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   87: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   88: static int       termp_ap_pre(DECL_ARGS);
                     89: static int       termp_bd_pre(DECL_ARGS);
                     90: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   91: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   92: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   93: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   94: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   95: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   96: static int       termp_cd_pre(DECL_ARGS);
                     97: static int       termp_d1_pre(DECL_ARGS);
1.268     schwarze   98: static int       termp_es_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_ex_pre(DECL_ARGS);
                    100: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps  101: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  102: static int       termp_fl_pre(DECL_ARGS);
                    103: static int       termp_fn_pre(DECL_ARGS);
                    104: static int       termp_fo_pre(DECL_ARGS);
                    105: static int       termp_ft_pre(DECL_ARGS);
                    106: static int       termp_in_pre(DECL_ARGS);
                    107: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  108: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  109: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  110: static int       termp_lk_pre(DECL_ARGS);
                    111: static int       termp_nd_pre(DECL_ARGS);
                    112: static int       termp_nm_pre(DECL_ARGS);
                    113: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  114: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  115: static int       termp_rs_pre(DECL_ARGS);
                    116: static int       termp_rv_pre(DECL_ARGS);
                    117: static int       termp_sh_pre(DECL_ARGS);
                    118: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  119: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  121: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  122: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  123: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  124: static int       termp_xr_pre(DECL_ARGS);
                    125: static int       termp_xx_pre(DECL_ARGS);
                    126:
1.70      kristaps  127: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  128:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  129:        { NULL, NULL }, /* Dd */
                    130:        { NULL, NULL }, /* Dt */
                    131:        { NULL, NULL }, /* Os */
                    132:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  133:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    134:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  135:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    136:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  137:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    138:        { NULL, NULL }, /* Ed */
1.115     kristaps  139:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  140:        { NULL, NULL }, /* El */
                    141:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  142:        { termp_under_pre, NULL }, /* Ad */
1.61      kristaps  143:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  144:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  145:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  146:        { termp_bold_pre, NULL }, /* Cm */
1.264     schwarze  147:        { NULL, NULL }, /* Dv */
                    148:        { NULL, NULL }, /* Er */
                    149:        { NULL, NULL }, /* Ev */
1.1       kristaps  150:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  151:        { termp_fa_pre, NULL }, /* Fa */
                    152:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  153:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  154:        { termp_fn_pre, NULL }, /* Fn */
                    155:        { termp_ft_pre, NULL }, /* Ft */
                    156:        { termp_bold_pre, NULL }, /* Ic */
                    157:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  158:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  159:        { termp_nd_pre, NULL }, /* Nd */
                    160:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  161:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  162:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  163:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  164:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  165:        { NULL, NULL }, /* St */
1.69      kristaps  166:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  167:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  168:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  169:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  170:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  171:        { NULL, termp____post }, /* %D */
1.84      kristaps  172:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  173:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  174:        { NULL, termp____post }, /* %N */
                    175:        { NULL, termp____post }, /* %O */
                    176:        { NULL, termp____post }, /* %P */
                    177:        { NULL, termp____post }, /* %R */
1.203     kristaps  178:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  179:        { NULL, termp____post }, /* %V */
                    180:        { NULL, NULL }, /* Ac */
1.188     kristaps  181:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    182:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  183:        { NULL, NULL }, /* At */
1.1       kristaps  184:        { NULL, NULL }, /* Bc */
1.264     schwarze  185:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  186:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    187:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  188:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  189:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  190:        { NULL, NULL }, /* Db */
                    191:        { NULL, NULL }, /* Dc */
1.188     kristaps  192:        { termp_quote_pre, termp_quote_post }, /* Do */
                    193:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  194:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  195:        { NULL, NULL }, /* Ef */
1.264     schwarze  196:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  197:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  198:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  199:        { termp_bold_pre, NULL }, /* Ms */
1.254     schwarze  200:        { NULL, NULL }, /* No */
1.1       kristaps  201:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  202:        { termp_xx_pre, NULL }, /* Nx */
                    203:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  204:        { NULL, NULL }, /* Pc */
1.254     schwarze  205:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  206:        { termp_quote_pre, termp_quote_post }, /* Po */
                    207:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  208:        { NULL, NULL }, /* Qc */
1.188     kristaps  209:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    210:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    211:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  212:        { NULL, NULL }, /* Re */
                    213:        { termp_rs_pre, NULL }, /* Rs */
                    214:        { NULL, NULL }, /* Sc */
1.188     kristaps  215:        { termp_quote_pre, termp_quote_post }, /* So */
                    216:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  217:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  218:        { termp_under_pre, NULL }, /* Sx */
                    219:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  220:        { NULL, NULL }, /* Tn */
1.26      kristaps  221:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  222:        { NULL, NULL }, /* Xc */
                    223:        { NULL, NULL }, /* Xo */
1.264     schwarze  224:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    225:        { NULL, NULL }, /* Fc */
1.188     kristaps  226:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  227:        { NULL, NULL }, /* Oc */
1.159     schwarze  228:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  229:        { NULL, NULL }, /* Ek */
                    230:        { termp_bt_pre, NULL }, /* Bt */
                    231:        { NULL, NULL }, /* Hf */
1.268     schwarze  232:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  233:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  234:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  235:        { termp_sp_pre, NULL }, /* Lp */
                    236:        { termp_lk_pre, NULL }, /* Lk */
                    237:        { termp_under_pre, NULL }, /* Mt */
                    238:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    239:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    240:        { NULL, NULL }, /* Brc */
                    241:        { NULL, termp____post }, /* %C */
1.268     schwarze  242:        { termp_es_pre, NULL }, /* Es */
                    243:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  244:        { termp_xx_pre, NULL }, /* Dx */
                    245:        { NULL, termp____post }, /* %Q */
1.76      kristaps  246:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  247:        { termp_sp_pre, NULL }, /* sp */
                    248:        { NULL, termp____post }, /* %U */
                    249:        { NULL, NULL }, /* Ta */
1.260     schwarze  250:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  251: };
                    252:
                    253:
1.70      kristaps  254: void
1.89      kristaps  255: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  256: {
1.70      kristaps  257:        const struct mdoc_node  *n;
1.245     schwarze  258:        const struct mdoc_meta  *meta;
1.89      kristaps  259:        struct termp            *p;
                    260:
                    261:        p = (struct termp *)arg;
1.111     kristaps  262:
1.238     schwarze  263:        if (0 == p->defindent)
                    264:                p->defindent = 5;
                    265:
1.111     kristaps  266:        p->overstep = 0;
1.123     joerg     267:        p->maxrmargin = p->defrmargin;
1.157     kristaps  268:        p->tabwidth = term_len(p, 5);
1.89      kristaps  269:
                    270:        if (NULL == p->symtab)
1.230     kristaps  271:                p->symtab = mchars_alloc();
1.70      kristaps  272:
                    273:        n = mdoc_node(mdoc);
1.245     schwarze  274:        meta = mdoc_meta(mdoc);
1.146     schwarze  275:
1.245     schwarze  276:        term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70      kristaps  277:
                    278:        if (n->child)
1.245     schwarze  279:                print_mdoc_nodelist(p, NULL, meta, n->child);
1.144     kristaps  280:
                    281:        term_end(p);
1.1       kristaps  282: }
                    283:
1.3       kristaps  284: static void
1.102     kristaps  285: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  286: {
                    287:
1.245     schwarze  288:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  289:        if (n->next)
1.245     schwarze  290:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  291: }
                    292:
1.3       kristaps  293: static void
1.102     kristaps  294: print_mdoc_node(DECL_ARGS)
1.1       kristaps  295: {
1.102     kristaps  296:        int              chld;
1.1       kristaps  297:        struct termpair  npair;
1.30      kristaps  298:        size_t           offset, rmargin;
1.1       kristaps  299:
1.70      kristaps  300:        chld = 1;
1.29      kristaps  301:        offset = p->offset;
1.30      kristaps  302:        rmargin = p->rmargin;
1.244     schwarze  303:        n->prev_font = term_fontq(p);
1.29      kristaps  304:
1.97      kristaps  305:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  306:        npair.ppair = pair;
1.172     kristaps  307:
                    308:        /*
                    309:         * Keeps only work until the end of a line.  If a keep was
                    310:         * invoked in a prior line, revert it to PREKEEP.
                    311:         */
                    312:
1.253     schwarze  313:        if (TERMP_KEEP & p->flags) {
1.252     schwarze  314:                if (n->prev ? (n->prev->lastline != n->line) :
1.248     schwarze  315:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  316:                        p->flags &= ~TERMP_KEEP;
                    317:                        p->flags |= TERMP_PREKEEP;
                    318:                }
                    319:        }
1.197     schwarze  320:
                    321:        /*
1.217     schwarze  322:         * After the keep flags have been set up, we may now
                    323:         * produce output.  Note that some pre-handlers do so.
                    324:         */
                    325:
                    326:        switch (n->type) {
1.264     schwarze  327:        case MDOC_TEXT:
1.217     schwarze  328:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    329:                        term_newln(p);
1.222     kristaps  330:                if (MDOC_DELIMC & n->flags)
                    331:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  332:                term_word(p, n->string);
1.222     kristaps  333:                if (MDOC_DELIMO & n->flags)
                    334:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  335:                break;
1.264     schwarze  336:        case MDOC_EQN:
1.233     kristaps  337:                term_eqn(p, n->eqn);
1.217     schwarze  338:                break;
1.264     schwarze  339:        case MDOC_TBL:
1.217     schwarze  340:                term_tbl(p, n->span);
                    341:                break;
                    342:        default:
                    343:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    344:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  345:                                (p, &npair, meta, n);
1.217     schwarze  346:                break;
                    347:        }
                    348:
1.86      kristaps  349:        if (chld && n->child)
1.245     schwarze  350:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  351:
1.244     schwarze  352:        term_fontpopq(p,
                    353:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  354:
1.206     kristaps  355:        switch (n->type) {
1.264     schwarze  356:        case MDOC_TEXT:
1.206     kristaps  357:                break;
1.264     schwarze  358:        case MDOC_TBL:
1.216     kristaps  359:                break;
1.264     schwarze  360:        case MDOC_EQN:
1.206     kristaps  361:                break;
                    362:        default:
                    363:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    364:                        break;
1.245     schwarze  365:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  366:
                    367:                /*
                    368:                 * Explicit end tokens not only call the post
                    369:                 * handler, but also tell the respective block
                    370:                 * that it must not call the post handler again.
                    371:                 */
1.165     kristaps  372:                if (ENDBODY_NOT != n->end)
1.162     schwarze  373:                        n->pending->flags |= MDOC_ENDED;
                    374:
                    375:                /*
                    376:                 * End of line terminating an implicit block
                    377:                 * while an explicit block is still open.
                    378:                 * Continue the explicit block without spacing.
                    379:                 */
                    380:                if (ENDBODY_NOSPACE == n->end)
                    381:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  382:                break;
1.162     schwarze  383:        }
1.121     kristaps  384:
                    385:        if (MDOC_EOS & n->flags)
                    386:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  387:
1.260     schwarze  388:        if (MDOC_ll != n->tok) {
                    389:                p->offset = offset;
                    390:                p->rmargin = rmargin;
                    391:        }
1.1       kristaps  392: }
                    393:
1.3       kristaps  394: static void
1.145     kristaps  395: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  396: {
1.245     schwarze  397:        const struct mdoc_meta *meta;
1.144     kristaps  398:
1.245     schwarze  399:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  400:
1.102     kristaps  401:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  402:
1.264     schwarze  403:        /*
1.9       kristaps  404:         * Output the footer in new-groff style, that is, three columns
                    405:         * with the middle being the manual date and flanking columns
                    406:         * being the operating system:
                    407:         *
                    408:         * SYSTEM                  DATE                    SYSTEM
                    409:         */
                    410:
1.1       kristaps  411:        term_vspace(p);
                    412:
1.9       kristaps  413:        p->offset = 0;
1.264     schwarze  414:        p->rmargin = (p->maxrmargin -
                    415:            term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250     schwarze  416:        p->trailspace = 1;
1.1       kristaps  417:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    418:
1.245     schwarze  419:        term_word(p, meta->os);
1.1       kristaps  420:        term_flushln(p);
                    421:
1.9       kristaps  422:        p->offset = p->rmargin;
1.245     schwarze  423:        p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234     schwarze  424:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  425:
1.245     schwarze  426:        term_word(p, meta->date);
1.9       kristaps  427:        term_flushln(p);
                    428:
1.1       kristaps  429:        p->offset = p->rmargin;
                    430:        p->rmargin = p->maxrmargin;
1.250     schwarze  431:        p->trailspace = 0;
1.1       kristaps  432:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  433:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  434:
1.245     schwarze  435:        term_word(p, meta->os);
1.1       kristaps  436:        term_flushln(p);
                    437:
1.9       kristaps  438:        p->offset = 0;
                    439:        p->rmargin = p->maxrmargin;
                    440:        p->flags = 0;
1.1       kristaps  441: }
                    442:
1.3       kristaps  443: static void
1.144     kristaps  444: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  445: {
1.266     schwarze  446:        const struct mdoc_meta  *meta;
1.267     schwarze  447:        char                    *volume, *title;
                    448:        size_t                   vollen, titlen;
1.144     kristaps  449:
1.245     schwarze  450:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  451:
                    452:        /*
                    453:         * The header is strange.  It has three components, which are
                    454:         * really two with the first duplicated.  It goes like this:
                    455:         *
                    456:         * IDENTIFIER              TITLE                   IDENTIFIER
                    457:         *
                    458:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    459:         * (if given, or "unknown" if not) followed by the manual page
                    460:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    461:         * string depending on the manual volume.  If not specified, it
                    462:         * switches on the manual section.
                    463:         */
                    464:
1.235     schwarze  465:        p->offset = 0;
                    466:        p->rmargin = p->maxrmargin;
                    467:
1.245     schwarze  468:        assert(meta->vol);
1.267     schwarze  469:        if (NULL == meta->arch)
                    470:                volume = mandoc_strdup(meta->vol);
                    471:        else
                    472:                mandoc_asprintf(&volume, "%s (%s)",
                    473:                    meta->vol, meta->arch);
                    474:        vollen = term_strlen(p, volume);
1.1       kristaps  475:
1.266     schwarze  476:        mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.235     schwarze  477:        titlen = term_strlen(p, title);
1.1       kristaps  478:
1.235     schwarze  479:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  480:        p->trailspace = 1;
1.1       kristaps  481:        p->offset = 0;
1.267     schwarze  482:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    483:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
                    484:            p->maxrmargin - vollen;
1.1       kristaps  485:
                    486:        term_word(p, title);
                    487:        term_flushln(p);
                    488:
1.235     schwarze  489:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  490:        p->offset = p->rmargin;
1.267     schwarze  491:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  492:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  493:
1.267     schwarze  494:        term_word(p, volume);
1.1       kristaps  495:        term_flushln(p);
                    496:
                    497:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  498:        p->trailspace = 0;
1.235     schwarze  499:        if (p->rmargin + titlen <= p->maxrmargin) {
                    500:                p->flags |= TERMP_NOSPACE;
                    501:                p->offset = p->rmargin;
                    502:                p->rmargin = p->maxrmargin;
                    503:                term_word(p, title);
                    504:                term_flushln(p);
                    505:        }
1.1       kristaps  506:
1.235     schwarze  507:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  508:        p->offset = 0;
1.1       kristaps  509:        p->rmargin = p->maxrmargin;
1.266     schwarze  510:        free(title);
1.267     schwarze  511:        free(volume);
1.1       kristaps  512: }
                    513:
                    514: static size_t
1.157     kristaps  515: a2height(const struct termp *p, const char *v)
1.1       kristaps  516: {
1.92      kristaps  517:        struct roffsu    su;
1.91      kristaps  518:
1.231     kristaps  519:
1.157     kristaps  520:        assert(v);
                    521:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  522:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  523:
1.157     kristaps  524:        return(term_vspan(p, &su));
1.91      kristaps  525: }
1.1       kristaps  526:
1.91      kristaps  527: static size_t
1.157     kristaps  528: a2width(const struct termp *p, const char *v)
1.91      kristaps  529: {
1.92      kristaps  530:        struct roffsu    su;
1.1       kristaps  531:
1.154     kristaps  532:        assert(v);
                    533:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  534:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  535:
1.157     kristaps  536:        return(term_hspan(p, &su));
1.1       kristaps  537: }
                    538:
                    539: static size_t
1.157     kristaps  540: a2offs(const struct termp *p, const char *v)
1.1       kristaps  541: {
1.92      kristaps  542:        struct roffsu    su;
1.1       kristaps  543:
1.148     kristaps  544:        if ('\0' == *v)
1.91      kristaps  545:                return(0);
1.148     kristaps  546:        else if (0 == strcmp(v, "left"))
1.19      kristaps  547:                return(0);
1.148     kristaps  548:        else if (0 == strcmp(v, "indent"))
1.238     schwarze  549:                return(term_len(p, p->defindent + 1));
1.148     kristaps  550:        else if (0 == strcmp(v, "indent-two"))
1.238     schwarze  551:                return(term_len(p, (p->defindent + 1) * 2));
1.148     kristaps  552:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  553:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  554:
1.157     kristaps  555:        return(term_hspan(p, &su));
1.1       kristaps  556: }
                    557:
1.108     kristaps  558: /*
                    559:  * Determine how much space to print out before block elements of `It'
                    560:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    561:  * too.
                    562:  */
1.54      kristaps  563: static void
1.264     schwarze  564: print_bvspace(struct termp *p,
                    565:        const struct mdoc_node *bl,
                    566:        const struct mdoc_node *n)
1.1       kristaps  567: {
1.86      kristaps  568:        const struct mdoc_node  *nn;
1.236     schwarze  569:
                    570:        assert(n);
1.1       kristaps  571:
                    572:        term_newln(p);
1.150     kristaps  573:
1.202     kristaps  574:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  575:                return;
1.202     kristaps  576:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  577:                return;
                    578:
1.85      kristaps  579:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  580:
1.86      kristaps  581:        for (nn = n; nn; nn = nn->parent) {
                    582:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  583:                        continue;
1.86      kristaps  584:                if (MDOC_Ss == nn->tok)
1.54      kristaps  585:                        return;
1.86      kristaps  586:                if (MDOC_Sh == nn->tok)
1.54      kristaps  587:                        return;
1.86      kristaps  588:                if (NULL == nn->prev)
1.1       kristaps  589:                        continue;
                    590:                break;
                    591:        }
                    592:
1.85      kristaps  593:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  594:
1.202     kristaps  595:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  596:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  597:                        return;
                    598:
1.85      kristaps  599:        /* A `-diag' without body does not vspace. */
                    600:
1.202     kristaps  601:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  602:                if (n->prev && MDOC_It == n->prev->tok) {
                    603:                        assert(n->prev->body);
                    604:                        if (NULL == n->prev->body->child)
1.55      kristaps  605:                                return;
                    606:                }
                    607:
1.54      kristaps  608:        term_vspace(p);
1.260     schwarze  609: }
                    610:
                    611:
                    612: static int
                    613: termp_ll_pre(DECL_ARGS)
                    614: {
                    615:
1.261     schwarze  616:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  617:        return(0);
1.1       kristaps  618: }
                    619:
                    620: static int
                    621: termp_it_pre(DECL_ARGS)
                    622: {
1.86      kristaps  623:        const struct mdoc_node *bl, *nn;
1.265     schwarze  624:        char                    buf[24];
1.264     schwarze  625:        int                     i;
                    626:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  627:        enum mdoc_list          type;
1.1       kristaps  628:
1.86      kristaps  629:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  630:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  631:                return(1);
                    632:        }
1.1       kristaps  633:
1.86      kristaps  634:        bl = n->parent->parent->parent;
1.202     kristaps  635:        type = bl->norm->Bl.type;
1.1       kristaps  636:
1.264     schwarze  637:        /*
1.108     kristaps  638:         * First calculate width and offset.  This is pretty easy unless
                    639:         * we're a -column list, in which case all prior columns must
                    640:         * be accounted for.
                    641:         */
                    642:
                    643:        width = offset = 0;
                    644:
1.202     kristaps  645:        if (bl->norm->Bl.offs)
                    646:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  647:
1.1       kristaps  648:        switch (type) {
1.264     schwarze  649:        case LIST_column:
1.134     kristaps  650:                if (MDOC_HEAD == n->type)
1.1       kristaps  651:                        break;
1.155     kristaps  652:
1.105     kristaps  653:                /*
1.108     kristaps  654:                 * Imitate groff's column handling:
                    655:                 * - For each earlier column, add its width.
                    656:                 * - For less than 5 columns, add four more blanks per
                    657:                 *   column.
                    658:                 * - For exactly 5 columns, add three more blank per
                    659:                 *   column.
                    660:                 * - For more than 5 columns, add only one column.
1.105     kristaps  661:                 */
1.202     kristaps  662:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  663:                dcol = ncols < 5 ? term_len(p, 4) :
                    664:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  665:
1.134     kristaps  666:                /*
                    667:                 * Calculate the offset by applying all prior MDOC_BODY,
                    668:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    669:                 */
                    670:
1.264     schwarze  671:                for (i = 0, nn = n->prev;
                    672:                    nn->prev && i < (int)ncols;
                    673:                    nn = nn->prev, i++)
                    674:                        offset += dcol + a2width(p,
                    675:                            bl->norm->Bl.cols[i]);
1.105     kristaps  676:
                    677:                /*
1.108     kristaps  678:                 * When exceeding the declared number of columns, leave
                    679:                 * the remaining widths at 0.  This will later be
                    680:                 * adjusted to the default width of 10, or, for the last
                    681:                 * column, stretched to the right margin.
1.58      kristaps  682:                 */
1.108     kristaps  683:                if (i >= (int)ncols)
                    684:                        break;
1.58      kristaps  685:
1.105     kristaps  686:                /*
1.108     kristaps  687:                 * Use the declared column widths, extended as explained
                    688:                 * in the preceding paragraph.
1.105     kristaps  689:                 */
1.202     kristaps  690:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  691:                break;
                    692:        default:
1.202     kristaps  693:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  694:                        break;
                    695:
1.264     schwarze  696:                /*
1.108     kristaps  697:                 * Note: buffer the width by 2, which is groff's magic
                    698:                 * number for buffering single arguments.  See the above
                    699:                 * handling for column for how this changes.
                    700:                 */
1.202     kristaps  701:                assert(bl->norm->Bl.width);
                    702:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  703:                break;
                    704:        }
                    705:
1.264     schwarze  706:        /*
1.1       kristaps  707:         * List-type can override the width in the case of fixed-head
                    708:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  709:         * offset.
1.1       kristaps  710:         */
                    711:
                    712:        switch (type) {
1.264     schwarze  713:        case LIST_bullet:
1.1       kristaps  714:                /* FALLTHROUGH */
1.264     schwarze  715:        case LIST_dash:
1.1       kristaps  716:                /* FALLTHROUGH */
1.264     schwarze  717:        case LIST_hyphen:
1.242     schwarze  718:                /* FALLTHROUGH */
1.264     schwarze  719:        case LIST_enum:
1.242     schwarze  720:                if (width < term_len(p, 2))
                    721:                        width = term_len(p, 2);
1.17      kristaps  722:                break;
1.264     schwarze  723:        case LIST_hang:
1.39      kristaps  724:                if (0 == width)
1.157     kristaps  725:                        width = term_len(p, 8);
1.39      kristaps  726:                break;
1.264     schwarze  727:        case LIST_column:
1.49      kristaps  728:                /* FALLTHROUGH */
1.264     schwarze  729:        case LIST_tag:
1.1       kristaps  730:                if (0 == width)
1.157     kristaps  731:                        width = term_len(p, 10);
1.1       kristaps  732:                break;
                    733:        default:
                    734:                break;
                    735:        }
                    736:
1.264     schwarze  737:        /*
1.17      kristaps  738:         * Whitespace control.  Inset bodies need an initial space,
                    739:         * while diagonal bodies need two.
1.1       kristaps  740:         */
                    741:
1.51      kristaps  742:        p->flags |= TERMP_NOSPACE;
                    743:
1.1       kristaps  744:        switch (type) {
1.264     schwarze  745:        case LIST_diag:
1.86      kristaps  746:                if (MDOC_BODY == n->type)
1.62      kristaps  747:                        term_word(p, "\\ \\ ");
1.51      kristaps  748:                break;
1.264     schwarze  749:        case LIST_inset:
                    750:                if (MDOC_BODY == n->type)
1.51      kristaps  751:                        term_word(p, "\\ ");
1.1       kristaps  752:                break;
                    753:        default:
                    754:                break;
                    755:        }
                    756:
1.51      kristaps  757:        p->flags |= TERMP_NOSPACE;
                    758:
1.1       kristaps  759:        switch (type) {
1.264     schwarze  760:        case LIST_diag:
1.86      kristaps  761:                if (MDOC_HEAD == n->type)
1.102     kristaps  762:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  763:                break;
                    764:        default:
                    765:                break;
                    766:        }
                    767:
                    768:        /*
1.109     kristaps  769:         * Pad and break control.  This is the tricky part.  These flags
                    770:         * are documented in term_flushln() in term.c.  Note that we're
                    771:         * going to unset all of these flags in termp_it_post() when we
                    772:         * exit.
1.1       kristaps  773:         */
                    774:
                    775:        switch (type) {
1.264     schwarze  776:        case LIST_enum:
1.242     schwarze  777:                /*
                    778:                 * Weird special case.
                    779:                 * Very narrow enum lists actually hang.
                    780:                 */
                    781:                if (width == term_len(p, 2))
                    782:                        p->flags |= TERMP_HANG;
                    783:                /* FALLTHROUGH */
1.264     schwarze  784:        case LIST_bullet:
1.1       kristaps  785:                /* FALLTHROUGH */
1.264     schwarze  786:        case LIST_dash:
1.1       kristaps  787:                /* FALLTHROUGH */
1.264     schwarze  788:        case LIST_hyphen:
1.250     schwarze  789:                if (MDOC_HEAD != n->type)
                    790:                        break;
                    791:                p->flags |= TERMP_NOBREAK;
                    792:                p->trailspace = 1;
1.39      kristaps  793:                break;
1.264     schwarze  794:        case LIST_hang:
1.250     schwarze  795:                if (MDOC_HEAD != n->type)
1.59      kristaps  796:                        break;
                    797:
                    798:                /*
                    799:                 * This is ugly.  If `-hang' is specified and the body
                    800:                 * is a `Bl' or `Bd', then we want basically to nullify
                    801:                 * the "overstep" effect in term_flushln() and treat
                    802:                 * this as a `-ohang' list instead.
                    803:                 */
1.264     schwarze  804:                if (n->next->child &&
                    805:                    (MDOC_Bl == n->next->child->tok ||
                    806:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  807:                        break;
                    808:
1.263     schwarze  809:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  810:                p->trailspace = 1;
1.39      kristaps  811:                break;
1.264     schwarze  812:        case LIST_tag:
1.86      kristaps  813:                if (MDOC_HEAD != n->type)
1.39      kristaps  814:                        break;
1.250     schwarze  815:
1.263     schwarze  816:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  817:                p->trailspace = 2;
                    818:
1.86      kristaps  819:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  820:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  821:                break;
1.264     schwarze  822:        case LIST_column:
1.134     kristaps  823:                if (MDOC_HEAD == n->type)
                    824:                        break;
                    825:
1.250     schwarze  826:                if (NULL == n->next) {
1.134     kristaps  827:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  828:                        p->trailspace = 0;
                    829:                } else {
1.134     kristaps  830:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  831:                        p->trailspace = 1;
                    832:                }
1.134     kristaps  833:
1.1       kristaps  834:                break;
1.264     schwarze  835:        case LIST_diag:
1.250     schwarze  836:                if (MDOC_HEAD != n->type)
                    837:                        break;
1.263     schwarze  838:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  839:                p->trailspace = 1;
1.1       kristaps  840:                break;
                    841:        default:
                    842:                break;
                    843:        }
                    844:
1.264     schwarze  845:        /*
1.1       kristaps  846:         * Margin control.  Set-head-width lists have their right
                    847:         * margins shortened.  The body for these lists has the offset
                    848:         * necessarily lengthened.  Everybody gets the offset.
                    849:         */
                    850:
                    851:        p->offset += offset;
                    852:
                    853:        switch (type) {
1.264     schwarze  854:        case LIST_hang:
1.59      kristaps  855:                /*
                    856:                 * Same stipulation as above, regarding `-hang'.  We
                    857:                 * don't want to recalculate rmargin and offsets when
                    858:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    859:                 */
1.86      kristaps  860:                if (MDOC_HEAD == n->type && n->next->child &&
1.264     schwarze  861:                    (MDOC_Bl == n->next->child->tok ||
                    862:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  863:                        break;
                    864:                /* FALLTHROUGH */
1.264     schwarze  865:        case LIST_bullet:
1.1       kristaps  866:                /* FALLTHROUGH */
1.264     schwarze  867:        case LIST_dash:
1.1       kristaps  868:                /* FALLTHROUGH */
1.264     schwarze  869:        case LIST_enum:
1.1       kristaps  870:                /* FALLTHROUGH */
1.264     schwarze  871:        case LIST_hyphen:
1.1       kristaps  872:                /* FALLTHROUGH */
1.264     schwarze  873:        case LIST_tag:
1.49      kristaps  874:                assert(width);
1.86      kristaps  875:                if (MDOC_HEAD == n->type)
1.1       kristaps  876:                        p->rmargin = p->offset + width;
1.259     schwarze  877:                else {
1.1       kristaps  878:                        p->offset += width;
1.259     schwarze  879:                        if (p->rmargin < p->offset)
                    880:                                p->rmargin = p->offset;
                    881:                }
1.1       kristaps  882:                break;
1.264     schwarze  883:        case LIST_column:
1.49      kristaps  884:                assert(width);
1.1       kristaps  885:                p->rmargin = p->offset + width;
1.264     schwarze  886:                /*
1.50      kristaps  887:                 * XXX - this behaviour is not documented: the
                    888:                 * right-most column is filled to the right margin.
                    889:                 */
1.134     kristaps  890:                if (MDOC_HEAD == n->type)
                    891:                        break;
                    892:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  893:                        p->rmargin = p->maxrmargin;
1.1       kristaps  894:                break;
                    895:        default:
                    896:                break;
                    897:        }
                    898:
1.264     schwarze  899:        /*
1.1       kristaps  900:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  901:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  902:         */
                    903:
1.86      kristaps  904:        if (MDOC_HEAD == n->type)
1.1       kristaps  905:                switch (type) {
1.264     schwarze  906:                case LIST_bullet:
1.102     kristaps  907:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  908:                        term_word(p, "\\[bu]");
1.102     kristaps  909:                        term_fontpop(p);
1.1       kristaps  910:                        break;
1.264     schwarze  911:                case LIST_dash:
1.1       kristaps  912:                        /* FALLTHROUGH */
1.264     schwarze  913:                case LIST_hyphen:
1.102     kristaps  914:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  915:                        term_word(p, "\\(hy");
1.102     kristaps  916:                        term_fontpop(p);
1.1       kristaps  917:                        break;
1.264     schwarze  918:                case LIST_enum:
1.1       kristaps  919:                        (pair->ppair->ppair->count)++;
1.265     schwarze  920:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  921:                            pair->ppair->ppair->count);
1.1       kristaps  922:                        term_word(p, buf);
                    923:                        break;
                    924:                default:
                    925:                        break;
                    926:                }
                    927:
1.264     schwarze  928:        /*
1.1       kristaps  929:         * If we're not going to process our children, indicate so here.
                    930:         */
                    931:
                    932:        switch (type) {
1.264     schwarze  933:        case LIST_bullet:
1.1       kristaps  934:                /* FALLTHROUGH */
1.264     schwarze  935:        case LIST_item:
1.1       kristaps  936:                /* FALLTHROUGH */
1.264     schwarze  937:        case LIST_dash:
1.1       kristaps  938:                /* FALLTHROUGH */
1.264     schwarze  939:        case LIST_hyphen:
1.1       kristaps  940:                /* FALLTHROUGH */
1.264     schwarze  941:        case LIST_enum:
1.86      kristaps  942:                if (MDOC_HEAD == n->type)
1.1       kristaps  943:                        return(0);
                    944:                break;
1.264     schwarze  945:        case LIST_column:
1.134     kristaps  946:                if (MDOC_HEAD == n->type)
1.1       kristaps  947:                        return(0);
                    948:                break;
                    949:        default:
                    950:                break;
                    951:        }
                    952:
                    953:        return(1);
                    954: }
                    955:
                    956: static void
                    957: termp_it_post(DECL_ARGS)
                    958: {
1.126     kristaps  959:        enum mdoc_list     type;
1.1       kristaps  960:
1.109     kristaps  961:        if (MDOC_BLOCK == n->type)
1.1       kristaps  962:                return;
                    963:
1.202     kristaps  964:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  965:
                    966:        switch (type) {
1.264     schwarze  967:        case LIST_item:
1.1       kristaps  968:                /* FALLTHROUGH */
1.264     schwarze  969:        case LIST_diag:
1.53      kristaps  970:                /* FALLTHROUGH */
1.264     schwarze  971:        case LIST_inset:
1.86      kristaps  972:                if (MDOC_BODY == n->type)
1.130     schwarze  973:                        term_newln(p);
1.1       kristaps  974:                break;
1.264     schwarze  975:        case LIST_column:
1.134     kristaps  976:                if (MDOC_BODY == n->type)
1.1       kristaps  977:                        term_flushln(p);
                    978:                break;
                    979:        default:
1.130     schwarze  980:                term_newln(p);
1.1       kristaps  981:                break;
                    982:        }
                    983:
1.264     schwarze  984:        /*
1.109     kristaps  985:         * Now that our output is flushed, we can reset our tags.  Since
                    986:         * only `It' sets these flags, we're free to assume that nobody
                    987:         * has munged them in the meanwhile.
                    988:         */
                    989:
1.263     schwarze  990:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                    991:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  992:        p->trailspace = 0;
1.1       kristaps  993: }
                    994:
                    995: static int
                    996: termp_nm_pre(DECL_ARGS)
                    997: {
                    998:
1.253     schwarze  999:        if (MDOC_BLOCK == n->type) {
                   1000:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1001:                return(1);
1.253     schwarze 1002:        }
1.164     schwarze 1003:
                   1004:        if (MDOC_BODY == n->type) {
                   1005:                if (NULL == n->child)
                   1006:                        return(0);
1.234     schwarze 1007:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1008:                p->offset += term_len(p, 1) +
1.245     schwarze 1009:                    (NULL == n->prev->child ?
                   1010:                     term_strlen(p, meta->name) :
1.164     schwarze 1011:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1012:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1013:                     term_len(p, 5));
1.262     schwarze 1014:                if (p->rmargin < p->offset)
                   1015:                        p->rmargin = p->offset;
1.164     schwarze 1016:                return(1);
                   1017:        }
                   1018:
1.245     schwarze 1019:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1020:                return(0);
1.125     kristaps 1021:
1.177     schwarze 1022:        if (MDOC_HEAD == n->type)
                   1023:                synopsis_pre(p, n->parent);
1.102     kristaps 1024:
1.164     schwarze 1025:        if (MDOC_HEAD == n->type && n->next->child) {
1.263     schwarze 1026:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1027:                p->trailspace = 1;
1.185     schwarze 1028:                p->rmargin = p->offset + term_len(p, 1);
                   1029:                if (NULL == n->child) {
1.245     schwarze 1030:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1031:                } else if (MDOC_TEXT == n->child->type) {
                   1032:                        p->rmargin += term_strlen(p, n->child->string);
                   1033:                        if (n->child->next)
                   1034:                                p->flags |= TERMP_HANG;
                   1035:                } else {
                   1036:                        p->rmargin += term_len(p, 5);
                   1037:                        p->flags |= TERMP_HANG;
                   1038:                }
1.164     schwarze 1039:        }
                   1040:
1.102     kristaps 1041:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1042:        if (NULL == n->child)
1.245     schwarze 1043:                term_word(p, meta->name);
1.1       kristaps 1044:        return(1);
                   1045: }
                   1046:
1.164     schwarze 1047: static void
                   1048: termp_nm_post(DECL_ARGS)
                   1049: {
                   1050:
1.253     schwarze 1051:        if (MDOC_BLOCK == n->type) {
                   1052:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
                   1053:        } else if (MDOC_HEAD == n->type && n->next->child) {
1.164     schwarze 1054:                term_flushln(p);
1.263     schwarze 1055:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1056:                p->trailspace = 0;
1.234     schwarze 1057:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1058:                term_flushln(p);
                   1059: }
                   1060:
1.1       kristaps 1061: static int
                   1062: termp_fl_pre(DECL_ARGS)
                   1063: {
                   1064:
1.102     kristaps 1065:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1066:        term_word(p, "\\-");
1.103     kristaps 1067:
                   1068:        if (n->child)
1.114     kristaps 1069:                p->flags |= TERMP_NOSPACE;
                   1070:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1071:                p->flags |= TERMP_NOSPACE;
                   1072:
1.1       kristaps 1073:        return(1);
                   1074: }
                   1075:
                   1076: static int
1.184     kristaps 1077: termp__a_pre(DECL_ARGS)
                   1078: {
                   1079:
                   1080:        if (n->prev && MDOC__A == n->prev->tok)
                   1081:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1082:                        term_word(p, "and");
                   1083:
                   1084:        return(1);
                   1085: }
                   1086:
                   1087: static int
1.61      kristaps 1088: termp_an_pre(DECL_ARGS)
                   1089: {
                   1090:
1.86      kristaps 1091:        if (NULL == n->child)
1.61      kristaps 1092:                return(1);
                   1093:
                   1094:        /*
1.85      kristaps 1095:         * If not in the AUTHORS section, `An -split' will cause
                   1096:         * newlines to occur before the author name.  If in the AUTHORS
                   1097:         * section, by default, the first `An' invocation is nosplit,
                   1098:         * then all subsequent ones, regardless of whether interspersed
                   1099:         * with other macros/text, are split.  -split, in this case,
                   1100:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1101:         */
1.264     schwarze 1102:
1.86      kristaps 1103:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1104:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1105:                        if (TERMP_SPLIT & p->flags)
                   1106:                                term_newln(p);
                   1107:                        return(1);
                   1108:                }
                   1109:                if (TERMP_NOSPLIT & p->flags)
                   1110:                        return(1);
                   1111:                term_newln(p);
                   1112:                return(1);
                   1113:        }
                   1114:
                   1115:        if (TERMP_SPLIT & p->flags)
                   1116:                term_newln(p);
                   1117:
                   1118:        return(1);
                   1119: }
                   1120:
                   1121: static void
                   1122: termp_an_post(DECL_ARGS)
                   1123: {
                   1124:
1.86      kristaps 1125:        if (n->child) {
                   1126:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1127:                        p->flags |= TERMP_ANPREC;
                   1128:                return;
                   1129:        }
                   1130:
1.202     kristaps 1131:        if (AUTH_split == n->norm->An.auth) {
1.61      kristaps 1132:                p->flags &= ~TERMP_NOSPLIT;
                   1133:                p->flags |= TERMP_SPLIT;
1.202     kristaps 1134:        } else if (AUTH_nosplit == n->norm->An.auth) {
1.61      kristaps 1135:                p->flags &= ~TERMP_SPLIT;
                   1136:                p->flags |= TERMP_NOSPLIT;
                   1137:        }
                   1138:
                   1139: }
                   1140:
                   1141: static int
1.1       kristaps 1142: termp_ns_pre(DECL_ARGS)
                   1143: {
                   1144:
1.215     kristaps 1145:        if ( ! (MDOC_LINE & n->flags))
                   1146:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1147:        return(1);
                   1148: }
                   1149:
                   1150: static int
                   1151: termp_rs_pre(DECL_ARGS)
                   1152: {
                   1153:
1.86      kristaps 1154:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1155:                return(1);
1.86      kristaps 1156:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1157:                term_vspace(p);
                   1158:        return(1);
                   1159: }
                   1160:
                   1161: static int
                   1162: termp_rv_pre(DECL_ARGS)
                   1163: {
1.223     kristaps 1164:        int              nchild;
1.1       kristaps 1165:
                   1166:        term_newln(p);
                   1167:        term_word(p, "The");
                   1168:
1.223     kristaps 1169:        nchild = n->nchild;
                   1170:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1171:                term_fontpush(p, TERMFONT_BOLD);
1.223     kristaps 1172:                term_word(p, n->string);
1.102     kristaps 1173:                term_fontpop(p);
1.224     kristaps 1174:
1.68      kristaps 1175:                p->flags |= TERMP_NOSPACE;
1.223     kristaps 1176:                term_word(p, "()");
                   1177:
                   1178:                if (nchild > 2 && n->next) {
                   1179:                        p->flags |= TERMP_NOSPACE;
                   1180:                        term_word(p, ",");
                   1181:                }
                   1182:
                   1183:                if (n->next && NULL == n->next->next)
                   1184:                        term_word(p, "and");
1.68      kristaps 1185:        }
                   1186:
1.223     kristaps 1187:        if (nchild > 1)
1.68      kristaps 1188:                term_word(p, "functions return");
                   1189:        else
                   1190:                term_word(p, "function returns");
1.1       kristaps 1191:
1.264     schwarze 1192:        term_word(p, "the value 0 if successful; otherwise the "
                   1193:            "value -1 is returned and the global variable");
1.1       kristaps 1194:
1.102     kristaps 1195:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1196:        term_word(p, "errno");
1.102     kristaps 1197:        term_fontpop(p);
1.1       kristaps 1198:
1.264     schwarze 1199:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1200:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1201:
1.68      kristaps 1202:        return(0);
1.1       kristaps 1203: }
                   1204:
                   1205: static int
                   1206: termp_ex_pre(DECL_ARGS)
                   1207: {
1.224     kristaps 1208:        int              nchild;
1.1       kristaps 1209:
1.224     kristaps 1210:        term_newln(p);
1.68      kristaps 1211:        term_word(p, "The");
1.1       kristaps 1212:
1.224     kristaps 1213:        nchild = n->nchild;
                   1214:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1215:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1216:                term_word(p, n->string);
1.102     kristaps 1217:                term_fontpop(p);
1.224     kristaps 1218:
                   1219:                if (nchild > 2 && n->next) {
                   1220:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1221:                        term_word(p, ",");
1.224     kristaps 1222:                }
                   1223:
                   1224:                if (n->next && NULL == n->next->next)
                   1225:                        term_word(p, "and");
1.68      kristaps 1226:        }
                   1227:
1.224     kristaps 1228:        if (nchild > 1)
1.68      kristaps 1229:                term_word(p, "utilities exit");
                   1230:        else
                   1231:                term_word(p, "utility exits");
                   1232:
1.264     schwarze 1233:        term_word(p, "0 on success, and >0 if an error occurs.");
1.224     kristaps 1234:
1.131     kristaps 1235:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1236:        return(0);
1.1       kristaps 1237: }
                   1238:
                   1239: static int
                   1240: termp_nd_pre(DECL_ARGS)
                   1241: {
1.25      kristaps 1242:
1.86      kristaps 1243:        if (MDOC_BODY != n->type)
1.25      kristaps 1244:                return(1);
1.30      kristaps 1245:
1.27      kristaps 1246: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1247:        term_word(p, "\\(en");
1.23      kristaps 1248: #else
                   1249:        term_word(p, "\\(em");
                   1250: #endif
1.1       kristaps 1251:        return(1);
1.115     kristaps 1252: }
                   1253:
                   1254: static int
                   1255: termp_bl_pre(DECL_ARGS)
                   1256: {
                   1257:
                   1258:        return(MDOC_HEAD != n->type);
1.1       kristaps 1259: }
                   1260:
                   1261: static void
                   1262: termp_bl_post(DECL_ARGS)
                   1263: {
                   1264:
1.86      kristaps 1265:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1266:                term_newln(p);
                   1267: }
                   1268:
                   1269: static int
                   1270: termp_xr_pre(DECL_ARGS)
                   1271: {
                   1272:
1.225     kristaps 1273:        if (NULL == (n = n->child))
1.113     kristaps 1274:                return(0);
                   1275:
1.225     kristaps 1276:        assert(MDOC_TEXT == n->type);
                   1277:        term_word(p, n->string);
1.11      kristaps 1278:
1.264     schwarze 1279:        if (NULL == (n = n->next))
1.1       kristaps 1280:                return(0);
1.225     kristaps 1281:
1.1       kristaps 1282:        p->flags |= TERMP_NOSPACE;
                   1283:        term_word(p, "(");
1.222     kristaps 1284:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1285:
                   1286:        assert(MDOC_TEXT == n->type);
                   1287:        term_word(p, n->string);
                   1288:
1.222     kristaps 1289:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1290:        term_word(p, ")");
1.86      kristaps 1291:
1.1       kristaps 1292:        return(0);
                   1293: }
                   1294:
1.143     kristaps 1295: /*
                   1296:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1297:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1298:  * macro combos).
                   1299:  */
                   1300: static void
                   1301: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1302: {
1.264     schwarze 1303:        /*
1.143     kristaps 1304:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1305:         * exist, do nothing.
                   1306:         */
1.160     kristaps 1307:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1308:                return;
                   1309:
                   1310:        /*
                   1311:         * If we're the second in a pair of like elements, emit our
                   1312:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1313:         * case we soldier on.
                   1314:         */
1.264     schwarze 1315:        if (n->prev->tok == n->tok &&
                   1316:            MDOC_Ft != n->tok &&
                   1317:            MDOC_Fo != n->tok &&
                   1318:            MDOC_Fn != n->tok) {
1.143     kristaps 1319:                term_newln(p);
                   1320:                return;
                   1321:        }
                   1322:
                   1323:        /*
                   1324:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1325:         * another (or Fn/Fo, which we've let slip through) then assert
                   1326:         * vertical space, else only newline and move on.
                   1327:         */
                   1328:        switch (n->prev->tok) {
1.264     schwarze 1329:        case MDOC_Fd:
1.143     kristaps 1330:                /* FALLTHROUGH */
1.264     schwarze 1331:        case MDOC_Fn:
1.143     kristaps 1332:                /* FALLTHROUGH */
1.264     schwarze 1333:        case MDOC_Fo:
1.143     kristaps 1334:                /* FALLTHROUGH */
1.264     schwarze 1335:        case MDOC_In:
1.143     kristaps 1336:                /* FALLTHROUGH */
1.264     schwarze 1337:        case MDOC_Vt:
1.143     kristaps 1338:                term_vspace(p);
                   1339:                break;
1.264     schwarze 1340:        case MDOC_Ft:
1.143     kristaps 1341:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1342:                        term_vspace(p);
                   1343:                        break;
                   1344:                }
                   1345:                /* FALLTHROUGH */
                   1346:        default:
                   1347:                term_newln(p);
                   1348:                break;
                   1349:        }
                   1350: }
                   1351:
1.110     kristaps 1352: static int
                   1353: termp_vt_pre(DECL_ARGS)
                   1354: {
                   1355:
1.143     kristaps 1356:        if (MDOC_ELEM == n->type) {
                   1357:                synopsis_pre(p, n);
1.245     schwarze 1358:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1359:        } else if (MDOC_BLOCK == n->type) {
                   1360:                synopsis_pre(p, n);
                   1361:                return(1);
                   1362:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1363:                return(0);
                   1364:
1.245     schwarze 1365:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1366: }
                   1367:
1.1       kristaps 1368: static int
1.69      kristaps 1369: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1370: {
                   1371:
1.102     kristaps 1372:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1373:        return(1);
                   1374: }
                   1375:
1.143     kristaps 1376: static int
                   1377: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1378: {
                   1379:
1.143     kristaps 1380:        synopsis_pre(p, n);
1.245     schwarze 1381:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1382: }
                   1383:
1.241     schwarze 1384: static void
                   1385: termp_fd_post(DECL_ARGS)
                   1386: {
                   1387:
                   1388:        term_newln(p);
                   1389: }
                   1390:
1.1       kristaps 1391: static int
                   1392: termp_sh_pre(DECL_ARGS)
                   1393: {
1.85      kristaps 1394:
                   1395:        /* No vspace between consecutive `Sh' calls. */
                   1396:
1.86      kristaps 1397:        switch (n->type) {
1.264     schwarze 1398:        case MDOC_BLOCK:
1.86      kristaps 1399:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1400:                        if (NULL == n->prev->body->child)
1.65      kristaps 1401:                                break;
                   1402:                term_vspace(p);
                   1403:                break;
1.264     schwarze 1404:        case MDOC_HEAD:
1.102     kristaps 1405:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1406:                break;
1.264     schwarze 1407:        case MDOC_BODY:
1.238     schwarze 1408:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1409:                if (SEC_AUTHORS == n->sec)
                   1410:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1411:                break;
                   1412:        default:
                   1413:                break;
                   1414:        }
                   1415:        return(1);
                   1416: }
                   1417:
                   1418: static void
                   1419: termp_sh_post(DECL_ARGS)
                   1420: {
                   1421:
1.86      kristaps 1422:        switch (n->type) {
1.264     schwarze 1423:        case MDOC_HEAD:
1.1       kristaps 1424:                term_newln(p);
                   1425:                break;
1.264     schwarze 1426:        case MDOC_BODY:
1.1       kristaps 1427:                term_newln(p);
                   1428:                p->offset = 0;
                   1429:                break;
                   1430:        default:
                   1431:                break;
                   1432:        }
                   1433: }
                   1434:
                   1435: static int
                   1436: termp_bt_pre(DECL_ARGS)
                   1437: {
                   1438:
                   1439:        term_word(p, "is currently in beta test.");
1.131     kristaps 1440:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1441:        return(0);
1.1       kristaps 1442: }
                   1443:
                   1444: static void
                   1445: termp_lb_post(DECL_ARGS)
                   1446: {
                   1447:
1.122     kristaps 1448:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1449:                term_newln(p);
1.1       kristaps 1450: }
                   1451:
                   1452: static int
                   1453: termp_ud_pre(DECL_ARGS)
                   1454: {
                   1455:
                   1456:        term_word(p, "currently under development.");
1.131     kristaps 1457:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1458:        return(0);
1.1       kristaps 1459: }
                   1460:
                   1461: static int
                   1462: termp_d1_pre(DECL_ARGS)
                   1463: {
                   1464:
1.86      kristaps 1465:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1466:                return(1);
                   1467:        term_newln(p);
1.238     schwarze 1468:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1469:        return(1);
                   1470: }
                   1471:
                   1472: static int
                   1473: termp_ft_pre(DECL_ARGS)
                   1474: {
                   1475:
1.141     kristaps 1476:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1477:        synopsis_pre(p, n);
1.102     kristaps 1478:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1479:        return(1);
                   1480: }
                   1481:
                   1482: static int
                   1483: termp_fn_pre(DECL_ARGS)
                   1484: {
1.257     schwarze 1485:        size_t           rmargin = 0;
1.226     kristaps 1486:        int              pretty;
                   1487:
                   1488:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1489:
1.143     kristaps 1490:        synopsis_pre(p, n);
1.139     kristaps 1491:
1.226     kristaps 1492:        if (NULL == (n = n->child))
                   1493:                return(0);
                   1494:
1.251     schwarze 1495:        if (pretty) {
                   1496:                rmargin = p->rmargin;
1.257     schwarze 1497:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1498:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1499:        }
                   1500:
1.226     kristaps 1501:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1502:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1503:        term_word(p, n->string);
1.102     kristaps 1504:        term_fontpop(p);
1.1       kristaps 1505:
1.251     schwarze 1506:        if (pretty) {
                   1507:                term_flushln(p);
1.263     schwarze 1508:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1509:                p->offset = p->rmargin;
                   1510:                p->rmargin = rmargin;
                   1511:        }
                   1512:
1.1       kristaps 1513:        p->flags |= TERMP_NOSPACE;
                   1514:        term_word(p, "(");
1.222     kristaps 1515:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1516:
1.226     kristaps 1517:        for (n = n->next; n; n = n->next) {
                   1518:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1519:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1520:                if (pretty)
                   1521:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1522:                term_word(p, n->string);
1.102     kristaps 1523:                term_fontpop(p);
                   1524:
1.226     kristaps 1525:                if (n->next) {
1.222     kristaps 1526:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1527:                        term_word(p, ",");
1.222     kristaps 1528:                }
1.1       kristaps 1529:        }
                   1530:
1.222     kristaps 1531:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1532:        term_word(p, ")");
                   1533:
1.226     kristaps 1534:        if (pretty) {
1.222     kristaps 1535:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1536:                term_word(p, ";");
1.251     schwarze 1537:                term_flushln(p);
1.222     kristaps 1538:        }
1.1       kristaps 1539:
                   1540:        return(0);
                   1541: }
                   1542:
                   1543: static int
                   1544: termp_fa_pre(DECL_ARGS)
                   1545: {
1.86      kristaps 1546:        const struct mdoc_node  *nn;
1.1       kristaps 1547:
1.86      kristaps 1548:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1549:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1550:                return(1);
                   1551:        }
                   1552:
1.86      kristaps 1553:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1554:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1555:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1556:                term_word(p, nn->string);
1.102     kristaps 1557:                term_fontpop(p);
                   1558:
1.256     schwarze 1559:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1560:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1561:                        term_word(p, ",");
1.222     kristaps 1562:                }
1.1       kristaps 1563:        }
                   1564:
                   1565:        return(0);
                   1566: }
                   1567:
                   1568: static int
                   1569: termp_bd_pre(DECL_ARGS)
                   1570: {
1.179     kristaps 1571:        size_t                   tabwidth, rm, rmax;
1.244     schwarze 1572:        struct mdoc_node        *nn;
1.1       kristaps 1573:
1.86      kristaps 1574:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1575:                print_bvspace(p, n, n);
1.54      kristaps 1576:                return(1);
1.116     kristaps 1577:        } else if (MDOC_HEAD == n->type)
                   1578:                return(0);
1.1       kristaps 1579:
1.202     kristaps 1580:        if (n->norm->Bd.offs)
                   1581:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1582:
                   1583:        /*
                   1584:         * If -ragged or -filled are specified, the block does nothing
                   1585:         * but change the indentation.  If -unfilled or -literal are
                   1586:         * specified, text is printed exactly as entered in the display:
                   1587:         * for macro lines, a newline is appended to the line.  Blank
                   1588:         * lines are allowed.
                   1589:         */
1.264     schwarze 1590:
                   1591:        if (DISP_literal != n->norm->Bd.type &&
                   1592:            DISP_unfilled != n->norm->Bd.type)
1.1       kristaps 1593:                return(1);
                   1594:
1.129     schwarze 1595:        tabwidth = p->tabwidth;
1.208     kristaps 1596:        if (DISP_literal == n->norm->Bd.type)
                   1597:                p->tabwidth = term_len(p, 8);
                   1598:
1.119     kristaps 1599:        rm = p->rmargin;
                   1600:        rmax = p->maxrmargin;
1.120     kristaps 1601:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1602:
1.86      kristaps 1603:        for (nn = n->child; nn; nn = nn->next) {
1.245     schwarze 1604:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1605:                /*
                   1606:                 * If the printed node flushes its own line, then we
                   1607:                 * needn't do it here as well.  This is hacky, but the
                   1608:                 * notion of selective eoln whitespace is pretty dumb
                   1609:                 * anyway, so don't sweat it.
                   1610:                 */
                   1611:                switch (nn->tok) {
1.264     schwarze 1612:                case MDOC_Sm:
1.193     kristaps 1613:                        /* FALLTHROUGH */
1.264     schwarze 1614:                case MDOC_br:
1.190     kristaps 1615:                        /* FALLTHROUGH */
1.264     schwarze 1616:                case MDOC_sp:
1.190     kristaps 1617:                        /* FALLTHROUGH */
1.264     schwarze 1618:                case MDOC_Bl:
1.196     kristaps 1619:                        /* FALLTHROUGH */
1.264     schwarze 1620:                case MDOC_D1:
1.196     kristaps 1621:                        /* FALLTHROUGH */
1.264     schwarze 1622:                case MDOC_Dl:
1.190     kristaps 1623:                        /* FALLTHROUGH */
1.264     schwarze 1624:                case MDOC_Lp:
1.190     kristaps 1625:                        /* FALLTHROUGH */
1.264     schwarze 1626:                case MDOC_Pp:
1.190     kristaps 1627:                        continue;
                   1628:                default:
                   1629:                        break;
                   1630:                }
1.180     schwarze 1631:                if (nn->next && nn->next->line == nn->line)
                   1632:                        continue;
                   1633:                term_flushln(p);
                   1634:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1635:        }
1.147     kristaps 1636:
1.129     schwarze 1637:        p->tabwidth = tabwidth;
1.119     kristaps 1638:        p->rmargin = rm;
                   1639:        p->maxrmargin = rmax;
1.1       kristaps 1640:        return(0);
                   1641: }
                   1642:
                   1643: static void
                   1644: termp_bd_post(DECL_ARGS)
                   1645: {
1.119     kristaps 1646:        size_t           rm, rmax;
1.1       kristaps 1647:
1.264     schwarze 1648:        if (MDOC_BODY != n->type)
1.1       kristaps 1649:                return;
1.118     kristaps 1650:
1.119     kristaps 1651:        rm = p->rmargin;
                   1652:        rmax = p->maxrmargin;
1.118     kristaps 1653:
1.264     schwarze 1654:        if (DISP_literal == n->norm->Bd.type ||
                   1655:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1656:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1657:
1.60      kristaps 1658:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1659:        term_newln(p);
1.118     kristaps 1660:
1.119     kristaps 1661:        p->rmargin = rm;
                   1662:        p->maxrmargin = rmax;
1.1       kristaps 1663: }
                   1664:
1.211     kristaps 1665: static int
                   1666: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1667: {
                   1668:
1.211     kristaps 1669:        if (NULL != (n = n->child)) {
                   1670:                term_word(p, n->string);
                   1671:                p->flags |= TERMP_NOSPACE;
                   1672:                term_word(p, "BSD");
                   1673:        } else {
                   1674:                term_word(p, "BSD");
                   1675:                return(0);
                   1676:        }
                   1677:
                   1678:        if (NULL != (n = n->next)) {
                   1679:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1680:                term_word(p, "-");
1.1       kristaps 1681:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1682:                term_word(p, n->string);
1.211     kristaps 1683:        }
                   1684:
                   1685:        return(0);
1.1       kristaps 1686: }
                   1687:
                   1688: static int
1.26      kristaps 1689: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1690: {
1.26      kristaps 1691:        const char      *pp;
1.218     schwarze 1692:        int              flags;
1.1       kristaps 1693:
1.26      kristaps 1694:        pp = NULL;
1.86      kristaps 1695:        switch (n->tok) {
1.264     schwarze 1696:        case MDOC_Bsx:
1.194     schwarze 1697:                pp = "BSD/OS";
1.26      kristaps 1698:                break;
1.264     schwarze 1699:        case MDOC_Dx:
1.100     kristaps 1700:                pp = "DragonFly";
1.26      kristaps 1701:                break;
1.264     schwarze 1702:        case MDOC_Fx:
1.26      kristaps 1703:                pp = "FreeBSD";
                   1704:                break;
1.264     schwarze 1705:        case MDOC_Nx:
1.26      kristaps 1706:                pp = "NetBSD";
                   1707:                break;
1.264     schwarze 1708:        case MDOC_Ox:
1.26      kristaps 1709:                pp = "OpenBSD";
                   1710:                break;
1.264     schwarze 1711:        case MDOC_Ux:
1.26      kristaps 1712:                pp = "UNIX";
                   1713:                break;
                   1714:        default:
1.246     schwarze 1715:                abort();
                   1716:                /* NOTREACHED */
1.26      kristaps 1717:        }
1.1       kristaps 1718:
1.26      kristaps 1719:        term_word(p, pp);
1.214     kristaps 1720:        if (n->child) {
1.218     schwarze 1721:                flags = p->flags;
1.214     kristaps 1722:                p->flags |= TERMP_KEEP;
                   1723:                term_word(p, n->child->string);
1.218     schwarze 1724:                p->flags = flags;
1.214     kristaps 1725:        }
                   1726:        return(0);
1.1       kristaps 1727: }
                   1728:
                   1729: static void
                   1730: termp_pf_post(DECL_ARGS)
                   1731: {
                   1732:
                   1733:        p->flags |= TERMP_NOSPACE;
                   1734: }
                   1735:
                   1736: static int
                   1737: termp_ss_pre(DECL_ARGS)
                   1738: {
                   1739:
1.86      kristaps 1740:        switch (n->type) {
1.264     schwarze 1741:        case MDOC_BLOCK:
1.1       kristaps 1742:                term_newln(p);
1.86      kristaps 1743:                if (n->prev)
1.1       kristaps 1744:                        term_vspace(p);
                   1745:                break;
1.264     schwarze 1746:        case MDOC_HEAD:
1.102     kristaps 1747:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1748:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1749:                break;
                   1750:        default:
                   1751:                break;
                   1752:        }
                   1753:
                   1754:        return(1);
                   1755: }
                   1756:
                   1757: static void
                   1758: termp_ss_post(DECL_ARGS)
                   1759: {
                   1760:
1.86      kristaps 1761:        if (MDOC_HEAD == n->type)
1.1       kristaps 1762:                term_newln(p);
                   1763: }
                   1764:
                   1765: static int
                   1766: termp_cd_pre(DECL_ARGS)
                   1767: {
                   1768:
1.143     kristaps 1769:        synopsis_pre(p, n);
1.102     kristaps 1770:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1771:        return(1);
                   1772: }
                   1773:
                   1774: static int
                   1775: termp_in_pre(DECL_ARGS)
                   1776: {
1.142     schwarze 1777:
1.143     kristaps 1778:        synopsis_pre(p, n);
1.1       kristaps 1779:
1.160     kristaps 1780:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1781:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1782:                term_word(p, "#include");
1.138     kristaps 1783:                term_word(p, "<");
                   1784:        } else {
                   1785:                term_word(p, "<");
                   1786:                term_fontpush(p, TERMFONT_UNDER);
                   1787:        }
1.22      kristaps 1788:
1.1       kristaps 1789:        p->flags |= TERMP_NOSPACE;
                   1790:        return(1);
                   1791: }
                   1792:
                   1793: static void
                   1794: termp_in_post(DECL_ARGS)
                   1795: {
                   1796:
1.160     kristaps 1797:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1798:                term_fontpush(p, TERMFONT_BOLD);
                   1799:
1.79      kristaps 1800:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1801:        term_word(p, ">");
                   1802:
1.160     kristaps 1803:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1804:                term_fontpop(p);
1.1       kristaps 1805: }
                   1806:
                   1807: static int
1.45      kristaps 1808: termp_sp_pre(DECL_ARGS)
                   1809: {
1.91      kristaps 1810:        size_t           i, len;
1.45      kristaps 1811:
1.86      kristaps 1812:        switch (n->tok) {
1.264     schwarze 1813:        case MDOC_sp:
1.157     kristaps 1814:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1815:                break;
1.264     schwarze 1816:        case MDOC_br:
1.76      kristaps 1817:                len = 0;
                   1818:                break;
                   1819:        default:
                   1820:                len = 1;
                   1821:                break;
1.45      kristaps 1822:        }
                   1823:
                   1824:        if (0 == len)
                   1825:                term_newln(p);
                   1826:        for (i = 0; i < len; i++)
                   1827:                term_vspace(p);
                   1828:
                   1829:        return(0);
                   1830: }
                   1831:
                   1832: static int
1.268     schwarze 1833: termp_es_pre(DECL_ARGS)
                   1834: {
                   1835:
                   1836:        return(0);
                   1837: }
                   1838:
                   1839: static int
1.188     kristaps 1840: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1841: {
                   1842:
1.203     kristaps 1843:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1844:                return(1);
                   1845:
1.188     kristaps 1846:        switch (n->tok) {
1.264     schwarze 1847:        case MDOC_Ao:
1.188     kristaps 1848:                /* FALLTHROUGH */
1.264     schwarze 1849:        case MDOC_Aq:
1.188     kristaps 1850:                term_word(p, "<");
                   1851:                break;
1.264     schwarze 1852:        case MDOC_Bro:
1.188     kristaps 1853:                /* FALLTHROUGH */
1.264     schwarze 1854:        case MDOC_Brq:
1.188     kristaps 1855:                term_word(p, "{");
                   1856:                break;
1.264     schwarze 1857:        case MDOC_Oo:
1.188     kristaps 1858:                /* FALLTHROUGH */
1.264     schwarze 1859:        case MDOC_Op:
1.188     kristaps 1860:                /* FALLTHROUGH */
1.264     schwarze 1861:        case MDOC_Bo:
1.188     kristaps 1862:                /* FALLTHROUGH */
1.264     schwarze 1863:        case MDOC_Bq:
1.188     kristaps 1864:                term_word(p, "[");
                   1865:                break;
1.264     schwarze 1866:        case MDOC_Do:
1.188     kristaps 1867:                /* FALLTHROUGH */
1.264     schwarze 1868:        case MDOC_Dq:
1.249     schwarze 1869:                term_word(p, "\\(lq");
1.188     kristaps 1870:                break;
1.268     schwarze 1871:        case MDOC_En:
                   1872:                if (NULL == n->norm->Es ||
                   1873:                    NULL == n->norm->Es->child)
                   1874:                        return(1);
                   1875:                term_word(p, n->norm->Es->child->string);
                   1876:                break;
1.264     schwarze 1877:        case MDOC_Eo:
1.237     schwarze 1878:                break;
1.264     schwarze 1879:        case MDOC_Po:
1.188     kristaps 1880:                /* FALLTHROUGH */
1.264     schwarze 1881:        case MDOC_Pq:
1.188     kristaps 1882:                term_word(p, "(");
                   1883:                break;
1.264     schwarze 1884:        case MDOC__T:
1.205     kristaps 1885:                /* FALLTHROUGH */
1.264     schwarze 1886:        case MDOC_Qo:
1.188     kristaps 1887:                /* FALLTHROUGH */
1.264     schwarze 1888:        case MDOC_Qq:
1.188     kristaps 1889:                term_word(p, "\"");
                   1890:                break;
1.264     schwarze 1891:        case MDOC_Ql:
1.188     kristaps 1892:                /* FALLTHROUGH */
1.264     schwarze 1893:        case MDOC_So:
1.188     kristaps 1894:                /* FALLTHROUGH */
1.264     schwarze 1895:        case MDOC_Sq:
1.249     schwarze 1896:                term_word(p, "\\(oq");
1.188     kristaps 1897:                break;
                   1898:        default:
                   1899:                abort();
                   1900:                /* NOTREACHED */
                   1901:        }
1.1       kristaps 1902:
                   1903:        p->flags |= TERMP_NOSPACE;
                   1904:        return(1);
                   1905: }
                   1906:
                   1907: static void
1.188     kristaps 1908: termp_quote_post(DECL_ARGS)
1.1       kristaps 1909: {
                   1910:
1.203     kristaps 1911:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1912:                return;
                   1913:
1.268     schwarze 1914:        if (MDOC_En != n->tok)
                   1915:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1916:
1.188     kristaps 1917:        switch (n->tok) {
1.264     schwarze 1918:        case MDOC_Ao:
1.188     kristaps 1919:                /* FALLTHROUGH */
1.264     schwarze 1920:        case MDOC_Aq:
1.188     kristaps 1921:                term_word(p, ">");
                   1922:                break;
1.264     schwarze 1923:        case MDOC_Bro:
1.188     kristaps 1924:                /* FALLTHROUGH */
1.264     schwarze 1925:        case MDOC_Brq:
1.188     kristaps 1926:                term_word(p, "}");
                   1927:                break;
1.264     schwarze 1928:        case MDOC_Oo:
1.188     kristaps 1929:                /* FALLTHROUGH */
1.264     schwarze 1930:        case MDOC_Op:
1.188     kristaps 1931:                /* FALLTHROUGH */
1.264     schwarze 1932:        case MDOC_Bo:
1.188     kristaps 1933:                /* FALLTHROUGH */
1.264     schwarze 1934:        case MDOC_Bq:
1.188     kristaps 1935:                term_word(p, "]");
                   1936:                break;
1.264     schwarze 1937:        case MDOC_Do:
1.188     kristaps 1938:                /* FALLTHROUGH */
1.264     schwarze 1939:        case MDOC_Dq:
1.249     schwarze 1940:                term_word(p, "\\(rq");
1.268     schwarze 1941:                break;
                   1942:        case MDOC_En:
                   1943:                if (NULL != n->norm->Es &&
                   1944:                    NULL != n->norm->Es->child &&
                   1945:                    NULL != n->norm->Es->child->next) {
                   1946:                        p->flags |= TERMP_NOSPACE;
                   1947:                        term_word(p, n->norm->Es->child->next->string);
                   1948:                }
1.237     schwarze 1949:                break;
1.264     schwarze 1950:        case MDOC_Eo:
1.188     kristaps 1951:                break;
1.264     schwarze 1952:        case MDOC_Po:
1.188     kristaps 1953:                /* FALLTHROUGH */
1.264     schwarze 1954:        case MDOC_Pq:
1.188     kristaps 1955:                term_word(p, ")");
                   1956:                break;
1.264     schwarze 1957:        case MDOC__T:
1.205     kristaps 1958:                /* FALLTHROUGH */
1.264     schwarze 1959:        case MDOC_Qo:
1.188     kristaps 1960:                /* FALLTHROUGH */
1.264     schwarze 1961:        case MDOC_Qq:
1.188     kristaps 1962:                term_word(p, "\"");
                   1963:                break;
1.264     schwarze 1964:        case MDOC_Ql:
1.188     kristaps 1965:                /* FALLTHROUGH */
1.264     schwarze 1966:        case MDOC_So:
1.188     kristaps 1967:                /* FALLTHROUGH */
1.264     schwarze 1968:        case MDOC_Sq:
1.249     schwarze 1969:                term_word(p, "\\(cq");
1.188     kristaps 1970:                break;
                   1971:        default:
                   1972:                abort();
                   1973:                /* NOTREACHED */
                   1974:        }
1.1       kristaps 1975: }
                   1976:
                   1977: static int
                   1978: termp_fo_pre(DECL_ARGS)
                   1979: {
1.257     schwarze 1980:        size_t           rmargin = 0;
1.256     schwarze 1981:        int              pretty;
                   1982:
                   1983:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1984:
1.141     kristaps 1985:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 1986:                synopsis_pre(p, n);
1.141     kristaps 1987:                return(1);
                   1988:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 1989:                if (pretty) {
                   1990:                        rmargin = p->rmargin;
1.257     schwarze 1991:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1992:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   1993:                                        TERMP_HANG;
1.256     schwarze 1994:                }
1.33      kristaps 1995:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1996:                term_word(p, "(");
1.222     kristaps 1997:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 1998:                if (pretty) {
                   1999:                        term_flushln(p);
1.263     schwarze 2000:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2001:                                        TERMP_HANG);
1.256     schwarze 2002:                        p->offset = p->rmargin;
                   2003:                        p->rmargin = rmargin;
                   2004:                }
1.1       kristaps 2005:                return(1);
1.256     schwarze 2006:        }
1.141     kristaps 2007:
1.169     kristaps 2008:        if (NULL == n->child)
                   2009:                return(0);
                   2010:
1.141     kristaps 2011:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2012:
1.141     kristaps 2013:        assert(n->child->string);
1.102     kristaps 2014:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2015:        term_word(p, n->child->string);
1.1       kristaps 2016:        return(0);
                   2017: }
                   2018:
                   2019: static void
                   2020: termp_fo_post(DECL_ARGS)
                   2021: {
                   2022:
1.264     schwarze 2023:        if (MDOC_BODY != n->type)
1.143     kristaps 2024:                return;
                   2025:
1.222     kristaps 2026:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2027:        term_word(p, ")");
                   2028:
1.222     kristaps 2029:        if (MDOC_SYNPRETTY & n->flags) {
                   2030:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2031:                term_word(p, ";");
1.256     schwarze 2032:                term_flushln(p);
1.222     kristaps 2033:        }
1.1       kristaps 2034: }
                   2035:
                   2036: static int
                   2037: termp_bf_pre(DECL_ARGS)
                   2038: {
                   2039:
1.86      kristaps 2040:        if (MDOC_HEAD == n->type)
1.1       kristaps 2041:                return(0);
1.244     schwarze 2042:        else if (MDOC_BODY != n->type)
1.1       kristaps 2043:                return(1);
                   2044:
1.264     schwarze 2045:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2046:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2047:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2048:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2049:        else
1.102     kristaps 2050:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2051:
                   2052:        return(1);
                   2053: }
                   2054:
                   2055: static int
                   2056: termp_sm_pre(DECL_ARGS)
                   2057: {
                   2058:
1.269   ! schwarze 2059:        if (NULL == n->child)
        !          2060:                p->flags ^= TERMP_NONOSPACE;
        !          2061:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2062:                p->flags &= ~TERMP_NONOSPACE;
1.269   ! schwarze 2063:        else
1.1       kristaps 2064:                p->flags |= TERMP_NONOSPACE;
1.269   ! schwarze 2065:
        !          2066:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
        !          2067:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2068:
                   2069:        return(0);
                   2070: }
                   2071:
                   2072: static int
                   2073: termp_ap_pre(DECL_ARGS)
                   2074: {
                   2075:
                   2076:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2077:        term_word(p, "'");
1.1       kristaps 2078:        p->flags |= TERMP_NOSPACE;
                   2079:        return(1);
                   2080: }
                   2081:
                   2082: static void
                   2083: termp____post(DECL_ARGS)
                   2084: {
1.184     kristaps 2085:
                   2086:        /*
                   2087:         * Handle lists of authors.  In general, print each followed by
                   2088:         * a comma.  Don't print the comma if there are only two
                   2089:         * authors.
                   2090:         */
                   2091:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2092:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2093:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2094:                                return;
1.1       kristaps 2095:
1.95      kristaps 2096:        /* TODO: %U. */
                   2097:
1.187     kristaps 2098:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2099:                return;
                   2100:
1.222     kristaps 2101:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2102:        if (NULL == n->next) {
                   2103:                term_word(p, ".");
                   2104:                p->flags |= TERMP_SENTENCE;
                   2105:        } else
                   2106:                term_word(p, ",");
1.1       kristaps 2107: }
                   2108:
                   2109: static int
1.102     kristaps 2110: termp_li_pre(DECL_ARGS)
                   2111: {
                   2112:
                   2113:        term_fontpush(p, TERMFONT_NONE);
                   2114:        return(1);
                   2115: }
                   2116:
                   2117: static int
1.1       kristaps 2118: termp_lk_pre(DECL_ARGS)
                   2119: {
1.240     schwarze 2120:        const struct mdoc_node *link, *descr;
1.1       kristaps 2121:
1.240     schwarze 2122:        if (NULL == (link = n->child))
                   2123:                return(0);
1.181     kristaps 2124:
1.240     schwarze 2125:        if (NULL != (descr = link->next)) {
                   2126:                term_fontpush(p, TERMFONT_UNDER);
                   2127:                while (NULL != descr) {
                   2128:                        term_word(p, descr->string);
                   2129:                        descr = descr->next;
                   2130:                }
                   2131:                p->flags |= TERMP_NOSPACE;
                   2132:                term_word(p, ":");
                   2133:                term_fontpop(p);
                   2134:        }
1.1       kristaps 2135:
1.102     kristaps 2136:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2137:        term_word(p, link->string);
1.102     kristaps 2138:        term_fontpop(p);
1.12      kristaps 2139:
1.1       kristaps 2140:        return(0);
                   2141: }
                   2142:
1.159     schwarze 2143: static int
                   2144: termp_bk_pre(DECL_ARGS)
                   2145: {
                   2146:
1.161     schwarze 2147:        switch (n->type) {
1.264     schwarze 2148:        case MDOC_BLOCK:
1.166     kristaps 2149:                break;
1.264     schwarze 2150:        case MDOC_HEAD:
1.161     schwarze 2151:                return(0);
1.264     schwarze 2152:        case MDOC_BODY:
1.200     schwarze 2153:                if (n->parent->args || 0 == n->prev->nchild)
                   2154:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2155:                break;
1.161     schwarze 2156:        default:
                   2157:                abort();
1.166     kristaps 2158:                /* NOTREACHED */
1.161     schwarze 2159:        }
1.166     kristaps 2160:
                   2161:        return(1);
1.159     schwarze 2162: }
                   2163:
                   2164: static void
                   2165: termp_bk_post(DECL_ARGS)
                   2166: {
                   2167:
1.253     schwarze 2168:        if (MDOC_BODY == n->type)
1.161     schwarze 2169:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2170: }
                   2171:
                   2172: static void
                   2173: termp__t_post(DECL_ARGS)
                   2174: {
                   2175:
                   2176:        /*
                   2177:         * If we're in an `Rs' and there's a journal present, then quote
                   2178:         * us instead of underlining us (for disambiguation).
                   2179:         */
1.217     schwarze 2180:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2181:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2182:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2183:
1.245     schwarze 2184:        termp____post(p, pair, meta, n);
1.203     kristaps 2185: }
                   2186:
                   2187: static int
                   2188: termp__t_pre(DECL_ARGS)
                   2189: {
                   2190:
                   2191:        /*
                   2192:         * If we're in an `Rs' and there's a journal present, then quote
                   2193:         * us instead of underlining us (for disambiguation).
                   2194:         */
                   2195:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2196:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2197:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2198:
                   2199:        term_fontpush(p, TERMFONT_UNDER);
                   2200:        return(1);
1.159     schwarze 2201: }
1.1       kristaps 2202:
                   2203: static int
1.69      kristaps 2204: termp_under_pre(DECL_ARGS)
1.1       kristaps 2205: {
                   2206:
1.102     kristaps 2207:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2208:        return(1);
                   2209: }

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