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Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.84

1.84    ! schwarze    1: /*     $Id: mdoc_term.c,v 1.83 2010/05/24 00:37:01 schwarze Exp $ */
1.1       kristaps    2: /*
1.2       schwarze    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.2       schwarze    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.2       schwarze    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
1.77      schwarze   21: #include <stdint.h>
1.1       kristaps   22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
1.81      schwarze   26: #include "mandoc.h"
1.61      schwarze   27: #include "out.h"
1.1       kristaps   28: #include "term.h"
                     29: #include "mdoc.h"
1.61      schwarze   30: #include "chars.h"
                     31: #include "main.h"
1.54      schwarze   32:
1.51      schwarze   33: #define        INDENT            5
                     34: #define        HALFINDENT        3
1.1       kristaps   35:
                     36: struct termpair {
                     37:        struct termpair  *ppair;
1.27      schwarze   38:        int               count;
1.1       kristaps   39: };
                     40:
1.29      schwarze   41: #define        DECL_ARGS struct termp *p, \
                     42:                  struct termpair *pair, \
1.60      schwarze   43:                  const struct mdoc_meta *m, \
                     44:                  const struct mdoc_node *n
1.1       kristaps   45:
                     46: struct termact {
                     47:        int     (*pre)(DECL_ARGS);
                     48:        void    (*post)(DECL_ARGS);
                     49: };
1.29      schwarze   50:
1.62      schwarze   51: static size_t    a2width(const struct mdoc_argv *, int);
                     52: static size_t    a2height(const struct mdoc_node *);
                     53: static size_t    a2offs(const struct mdoc_argv *);
                     54:
                     55: static int       arg_hasattr(int, const struct mdoc_node *);
                     56: static int       arg_getattrs(const int *, int *, size_t,
                     57:                        const struct mdoc_node *);
                     58: static int       arg_getattr(int, const struct mdoc_node *);
1.77      schwarze   59: static int       arg_disptype(const struct mdoc_node *);
1.62      schwarze   60: static void      print_bvspace(struct termp *,
                     61:                        const struct mdoc_node *,
                     62:                        const struct mdoc_node *);
1.65      schwarze   63: static void      print_mdoc_node(DECL_ARGS);
                     64: static void      print_mdoc_head(DECL_ARGS);
                     65: static void      print_mdoc_nodelist(DECL_ARGS);
1.62      schwarze   66: static void      print_foot(DECL_ARGS);
                     67:
1.29      schwarze   68: static void      termp____post(DECL_ARGS);
1.49      schwarze   69: static void      termp_an_post(DECL_ARGS);
1.29      schwarze   70: static void      termp_aq_post(DECL_ARGS);
                     71: static void      termp_bd_post(DECL_ARGS);
                     72: static void      termp_bl_post(DECL_ARGS);
                     73: static void      termp_bq_post(DECL_ARGS);
                     74: static void      termp_brq_post(DECL_ARGS);
                     75: static void      termp_bx_post(DECL_ARGS);
                     76: static void      termp_d1_post(DECL_ARGS);
                     77: static void      termp_dq_post(DECL_ARGS);
                     78: static void      termp_fd_post(DECL_ARGS);
                     79: static void      termp_fn_post(DECL_ARGS);
                     80: static void      termp_fo_post(DECL_ARGS);
                     81: static void      termp_ft_post(DECL_ARGS);
                     82: static void      termp_in_post(DECL_ARGS);
                     83: static void      termp_it_post(DECL_ARGS);
                     84: static void      termp_lb_post(DECL_ARGS);
                     85: static void      termp_op_post(DECL_ARGS);
                     86: static void      termp_pf_post(DECL_ARGS);
                     87: static void      termp_pq_post(DECL_ARGS);
                     88: static void      termp_qq_post(DECL_ARGS);
                     89: static void      termp_sh_post(DECL_ARGS);
                     90: static void      termp_sq_post(DECL_ARGS);
                     91: static void      termp_ss_post(DECL_ARGS);
                     92: static void      termp_vt_post(DECL_ARGS);
                     93:
1.49      schwarze   94: static int       termp_an_pre(DECL_ARGS);
1.29      schwarze   95: static int       termp_ap_pre(DECL_ARGS);
                     96: static int       termp_aq_pre(DECL_ARGS);
                     97: static int       termp_bd_pre(DECL_ARGS);
                     98: static int       termp_bf_pre(DECL_ARGS);
1.73      schwarze   99: static int       termp_bl_pre(DECL_ARGS);
1.54      schwarze  100: static int       termp_bold_pre(DECL_ARGS);
1.29      schwarze  101: static int       termp_bq_pre(DECL_ARGS);
                    102: static int       termp_brq_pre(DECL_ARGS);
                    103: static int       termp_bt_pre(DECL_ARGS);
                    104: static int       termp_cd_pre(DECL_ARGS);
                    105: static int       termp_d1_pre(DECL_ARGS);
                    106: static int       termp_dq_pre(DECL_ARGS);
                    107: static int       termp_ex_pre(DECL_ARGS);
                    108: static int       termp_fa_pre(DECL_ARGS);
                    109: static int       termp_fl_pre(DECL_ARGS);
                    110: static int       termp_fn_pre(DECL_ARGS);
                    111: static int       termp_fo_pre(DECL_ARGS);
                    112: static int       termp_ft_pre(DECL_ARGS);
                    113: static int       termp_in_pre(DECL_ARGS);
                    114: static int       termp_it_pre(DECL_ARGS);
1.65      schwarze  115: static int       termp_li_pre(DECL_ARGS);
1.29      schwarze  116: static int       termp_lk_pre(DECL_ARGS);
                    117: static int       termp_nd_pre(DECL_ARGS);
                    118: static int       termp_nm_pre(DECL_ARGS);
                    119: static int       termp_ns_pre(DECL_ARGS);
                    120: static int       termp_op_pre(DECL_ARGS);
                    121: static int       termp_pf_pre(DECL_ARGS);
                    122: static int       termp_pq_pre(DECL_ARGS);
                    123: static int       termp_qq_pre(DECL_ARGS);
                    124: static int       termp_rs_pre(DECL_ARGS);
                    125: static int       termp_rv_pre(DECL_ARGS);
                    126: static int       termp_sh_pre(DECL_ARGS);
                    127: static int       termp_sm_pre(DECL_ARGS);
1.38      schwarze  128: static int       termp_sp_pre(DECL_ARGS);
1.29      schwarze  129: static int       termp_sq_pre(DECL_ARGS);
                    130: static int       termp_ss_pre(DECL_ARGS);
1.54      schwarze  131: static int       termp_under_pre(DECL_ARGS);
1.29      schwarze  132: static int       termp_ud_pre(DECL_ARGS);
1.69      schwarze  133: static int       termp_vt_pre(DECL_ARGS);
1.29      schwarze  134: static int       termp_xr_pre(DECL_ARGS);
                    135: static int       termp_xx_pre(DECL_ARGS);
1.1       kristaps  136:
1.54      schwarze  137: static const struct termact termacts[MDOC_MAX] = {
1.11      schwarze  138:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  139:        { NULL, NULL }, /* Dd */
                    140:        { NULL, NULL }, /* Dt */
                    141:        { NULL, NULL }, /* Os */
                    142:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    143:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.54      schwarze  144:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  145:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    146:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    147:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    148:        { NULL, NULL }, /* Ed */
1.73      schwarze  149:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  150:        { NULL, NULL }, /* El */
                    151:        { termp_it_pre, termp_it_post }, /* It */
                    152:        { NULL, NULL }, /* Ad */
1.49      schwarze  153:        { termp_an_pre, termp_an_post }, /* An */
1.54      schwarze  154:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  155:        { termp_cd_pre, NULL }, /* Cd */
1.54      schwarze  156:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  157:        { NULL, NULL }, /* Dv */
                    158:        { NULL, NULL }, /* Er */
                    159:        { NULL, NULL }, /* Ev */
                    160:        { termp_ex_pre, NULL }, /* Ex */
                    161:        { termp_fa_pre, NULL }, /* Fa */
1.54      schwarze  162:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  163:        { termp_fl_pre, NULL }, /* Fl */
                    164:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    165:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.54      schwarze  166:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  167:        { termp_in_pre, termp_in_post }, /* In */
1.65      schwarze  168:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  169:        { termp_nd_pre, NULL }, /* Nd */
                    170:        { termp_nm_pre, NULL }, /* Nm */
                    171:        { termp_op_pre, termp_op_post }, /* Op */
                    172:        { NULL, NULL }, /* Ot */
1.54      schwarze  173:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  174:        { termp_rv_pre, NULL }, /* Rv */
1.32      schwarze  175:        { NULL, NULL }, /* St */
1.54      schwarze  176:        { termp_under_pre, NULL }, /* Va */
1.69      schwarze  177:        { termp_vt_pre, termp_vt_post }, /* Vt */
1.1       kristaps  178:        { termp_xr_pre, NULL }, /* Xr */
                    179:        { NULL, termp____post }, /* %A */
1.58      schwarze  180:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  181:        { NULL, termp____post }, /* %D */
1.58      schwarze  182:        { termp_under_pre, termp____post }, /* %I */
1.54      schwarze  183:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  184:        { NULL, termp____post }, /* %N */
                    185:        { NULL, termp____post }, /* %O */
                    186:        { NULL, termp____post }, /* %P */
                    187:        { NULL, termp____post }, /* %R */
1.76      schwarze  188:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  189:        { NULL, termp____post }, /* %V */
                    190:        { NULL, NULL }, /* Ac */
                    191:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    192:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.32      schwarze  193:        { NULL, NULL }, /* At */
1.1       kristaps  194:        { NULL, NULL }, /* Bc */
                    195:        { termp_bf_pre, NULL }, /* Bf */
                    196:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    197:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      schwarze  198:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  199:        { NULL, termp_bx_post }, /* Bx */
                    200:        { NULL, NULL }, /* Db */
                    201:        { NULL, NULL }, /* Dc */
                    202:        { termp_dq_pre, termp_dq_post }, /* Do */
                    203:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.73      schwarze  204:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  205:        { NULL, NULL }, /* Ef */
1.54      schwarze  206:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  207:        { NULL, NULL }, /* Eo */
1.26      schwarze  208:        { termp_xx_pre, NULL }, /* Fx */
1.58      schwarze  209:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  210:        { NULL, NULL }, /* No */
                    211:        { termp_ns_pre, NULL }, /* Ns */
1.26      schwarze  212:        { termp_xx_pre, NULL }, /* Nx */
                    213:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  214:        { NULL, NULL }, /* Pc */
                    215:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    216:        { termp_pq_pre, termp_pq_post }, /* Po */
                    217:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    218:        { NULL, NULL }, /* Qc */
                    219:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    220:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    221:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    222:        { NULL, NULL }, /* Re */
                    223:        { termp_rs_pre, NULL }, /* Rs */
                    224:        { NULL, NULL }, /* Sc */
                    225:        { termp_sq_pre, termp_sq_post }, /* So */
                    226:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    227:        { termp_sm_pre, NULL }, /* Sm */
1.54      schwarze  228:        { termp_under_pre, NULL }, /* Sx */
                    229:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  230:        { NULL, NULL }, /* Tn */
1.26      schwarze  231:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  232:        { NULL, NULL }, /* Xc */
                    233:        { NULL, NULL }, /* Xo */
                    234:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    235:        { NULL, NULL }, /* Fc */
                    236:        { termp_op_pre, termp_op_post }, /* Oo */
                    237:        { NULL, NULL }, /* Oc */
                    238:        { NULL, NULL }, /* Bk */
                    239:        { NULL, NULL }, /* Ek */
                    240:        { termp_bt_pre, NULL }, /* Bt */
                    241:        { NULL, NULL }, /* Hf */
                    242:        { NULL, NULL }, /* Fr */
                    243:        { termp_ud_pre, NULL }, /* Ud */
1.32      schwarze  244:        { NULL, termp_lb_post }, /* Lb */
1.54      schwarze  245:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  246:        { termp_lk_pre, NULL }, /* Lk */
1.54      schwarze  247:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  248:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    249:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    250:        { NULL, NULL }, /* Brc */
1.58      schwarze  251:        { NULL, termp____post }, /* %C */
                    252:        { NULL, NULL }, /* Es */ /* TODO */
                    253:        { NULL, NULL }, /* En */ /* TODO */
1.26      schwarze  254:        { termp_xx_pre, NULL }, /* Dx */
1.58      schwarze  255:        { NULL, termp____post }, /* %Q */
1.54      schwarze  256:        { termp_sp_pre, NULL }, /* br */
1.38      schwarze  257:        { termp_sp_pre, NULL }, /* sp */
1.62      schwarze  258:        { termp_under_pre, termp____post }, /* %U */
1.1       kristaps  259: };
                    260:
                    261:
1.55      schwarze  262: void
1.61      schwarze  263: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  264: {
1.55      schwarze  265:        const struct mdoc_node  *n;
                    266:        const struct mdoc_meta  *m;
1.61      schwarze  267:        struct termp            *p;
                    268:
                    269:        p = (struct termp *)arg;
1.71      schwarze  270:
                    271:        p->overstep = 0;
1.80      schwarze  272:        p->maxrmargin = p->defrmargin;
1.75      schwarze  273:        p->tabwidth = 5;
1.61      schwarze  274:
                    275:        if (NULL == p->symtab)
                    276:                switch (p->enc) {
                    277:                case (TERMENC_ASCII):
                    278:                        p->symtab = chars_init(CHARS_ASCII);
                    279:                        break;
                    280:                default:
                    281:                        abort();
                    282:                        /* NOTREACHED */
                    283:                }
1.55      schwarze  284:
                    285:        n = mdoc_node(mdoc);
                    286:        m = mdoc_meta(mdoc);
                    287:
1.65      schwarze  288:        print_mdoc_head(p, NULL, m, n);
1.55      schwarze  289:        if (n->child)
1.65      schwarze  290:                print_mdoc_nodelist(p, NULL, m, n->child);
1.55      schwarze  291:        print_foot(p, NULL, m, n);
1.1       kristaps  292: }
                    293:
                    294:
                    295: static void
1.65      schwarze  296: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  297: {
                    298:
1.65      schwarze  299:        print_mdoc_node(p, pair, m, n);
1.60      schwarze  300:        if (n->next)
1.65      schwarze  301:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  302: }
                    303:
                    304:
1.54      schwarze  305: /* ARGSUSED */
1.1       kristaps  306: static void
1.65      schwarze  307: print_mdoc_node(DECL_ARGS)
1.1       kristaps  308: {
1.65      schwarze  309:        int              chld;
                    310:        const void      *font;
1.1       kristaps  311:        struct termpair  npair;
1.28      schwarze  312:        size_t           offset, rmargin;
1.1       kristaps  313:
1.54      schwarze  314:        chld = 1;
1.28      schwarze  315:        offset = p->offset;
                    316:        rmargin = p->rmargin;
1.65      schwarze  317:        font = term_fontq(p);
1.1       kristaps  318:
1.63      schwarze  319:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  320:        npair.ppair = pair;
                    321:
1.60      schwarze  322:        if (MDOC_TEXT != n->type) {
                    323:                if (termacts[n->tok].pre)
                    324:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.54      schwarze  325:        } else
1.60      schwarze  326:                term_word(p, n->string);
1.65      schwarze  327:
1.60      schwarze  328:        if (chld && n->child)
1.65      schwarze  329:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  330:
1.65      schwarze  331:        term_fontpopq(p, font);
1.1       kristaps  332:
1.60      schwarze  333:        if (MDOC_TEXT != n->type)
                    334:                if (termacts[n->tok].post)
                    335:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.28      schwarze  336:
1.78      schwarze  337:        if (MDOC_EOS & n->flags)
                    338:                p->flags |= TERMP_SENTENCE;
                    339:
1.28      schwarze  340:        p->offset = offset;
                    341:        p->rmargin = rmargin;
1.1       kristaps  342: }
                    343:
                    344:
1.55      schwarze  345: /* ARGSUSED */
1.1       kristaps  346: static void
1.55      schwarze  347: print_foot(DECL_ARGS)
1.1       kristaps  348: {
1.63      schwarze  349:        char            buf[DATESIZ], os[BUFSIZ];
1.1       kristaps  350:
1.65      schwarze  351:        term_fontrepl(p, TERMFONT_NONE);
                    352:
1.7       schwarze  353:        /*
                    354:         * Output the footer in new-groff style, that is, three columns
                    355:         * with the middle being the manual date and flanking columns
                    356:         * being the operating system:
                    357:         *
                    358:         * SYSTEM                  DATE                    SYSTEM
                    359:         */
                    360:
1.62      schwarze  361:        time2a(m->date, buf, DATESIZ);
1.63      schwarze  362:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  363:
                    364:        term_vspace(p);
                    365:
1.7       schwarze  366:        p->offset = 0;
                    367:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  368:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    369:
                    370:        term_word(p, os);
                    371:        term_flushln(p);
                    372:
1.7       schwarze  373:        p->offset = p->rmargin;
                    374:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  375:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.7       schwarze  376:
                    377:        term_word(p, buf);
                    378:        term_flushln(p);
                    379:
1.1       kristaps  380:        p->offset = p->rmargin;
                    381:        p->rmargin = p->maxrmargin;
                    382:        p->flags &= ~TERMP_NOBREAK;
1.7       schwarze  383:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  384:
1.7       schwarze  385:        term_word(p, os);
1.1       kristaps  386:        term_flushln(p);
1.7       schwarze  387:
                    388:        p->offset = 0;
                    389:        p->rmargin = p->maxrmargin;
                    390:        p->flags = 0;
1.1       kristaps  391: }
                    392:
                    393:
1.55      schwarze  394: /* ARGSUSED */
1.1       kristaps  395: static void
1.65      schwarze  396: print_mdoc_head(DECL_ARGS)
1.1       kristaps  397: {
1.63      schwarze  398:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  399:
                    400:        p->rmargin = p->maxrmargin;
                    401:        p->offset = 0;
                    402:
                    403:        /*
                    404:         * The header is strange.  It has three components, which are
                    405:         * really two with the first duplicated.  It goes like this:
                    406:         *
                    407:         * IDENTIFIER              TITLE                   IDENTIFIER
                    408:         *
                    409:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    410:         * (if given, or "unknown" if not) followed by the manual page
                    411:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    412:         * string depending on the manual volume.  If not specified, it
                    413:         * switches on the manual section.
                    414:         */
                    415:
1.60      schwarze  416:        assert(m->vol);
1.63      schwarze  417:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  418:
1.60      schwarze  419:        if (m->arch) {
1.63      schwarze  420:                strlcat(buf, " (", BUFSIZ);
                    421:                strlcat(buf, m->arch, BUFSIZ);
                    422:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  423:        }
                    424:
1.79      schwarze  425:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  426:
                    427:        p->offset = 0;
1.8       schwarze  428:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  429:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    430:
                    431:        term_word(p, title);
                    432:        term_flushln(p);
                    433:
                    434:        p->offset = p->rmargin;
                    435:        p->rmargin = p->maxrmargin - strlen(title);
1.8       schwarze  436:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  437:
                    438:        term_word(p, buf);
                    439:        term_flushln(p);
                    440:
                    441:        p->offset = p->rmargin;
                    442:        p->rmargin = p->maxrmargin;
                    443:        p->flags &= ~TERMP_NOBREAK;
                    444:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    445:
                    446:        term_word(p, title);
                    447:        term_flushln(p);
                    448:
1.8       schwarze  449:        p->offset = 0;
1.1       kristaps  450:        p->rmargin = p->maxrmargin;
                    451:        p->flags &= ~TERMP_NOSPACE;
                    452: }
                    453:
                    454:
                    455: static size_t
1.62      schwarze  456: a2height(const struct mdoc_node *n)
1.1       kristaps  457: {
1.61      schwarze  458:        struct roffsu    su;
1.1       kristaps  459:
1.61      schwarze  460:        assert(MDOC_TEXT == n->type);
                    461:        assert(n->string);
                    462:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    463:                SCALE_VS_INIT(&su, strlen(n->string));
1.1       kristaps  464:
1.61      schwarze  465:        return(term_vspan(&su));
                    466: }
1.34      schwarze  467:
1.1       kristaps  468:
1.61      schwarze  469: static size_t
1.62      schwarze  470: a2width(const struct mdoc_argv *arg, int pos)
1.61      schwarze  471: {
                    472:        struct roffsu    su;
1.1       kristaps  473:
1.61      schwarze  474:        assert(arg->value[pos]);
                    475:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
                    476:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  477:
1.68      schwarze  478:        return(term_hspan(&su));
1.1       kristaps  479: }
                    480:
                    481:
                    482: static int
1.77      schwarze  483: arg_disptype(const struct mdoc_node *n)
                    484: {
                    485:        int              i, len;
                    486:
                    487:        assert(MDOC_BLOCK == n->type);
                    488:
                    489:        len = (int)(n->args ? n->args->argc : 0);
                    490:
                    491:        for (i = 0; i < len; i++)
                    492:                switch (n->args->argv[i].arg) {
                    493:                case (MDOC_Centred):
                    494:                        /* FALLTHROUGH */
                    495:                case (MDOC_Ragged):
                    496:                        /* FALLTHROUGH */
                    497:                case (MDOC_Filled):
                    498:                        /* FALLTHROUGH */
                    499:                case (MDOC_Unfilled):
                    500:                        /* FALLTHROUGH */
                    501:                case (MDOC_Literal):
                    502:                        return(n->args->argv[i].arg);
                    503:                default:
                    504:                        break;
                    505:                }
                    506:
                    507:        return(-1);
                    508: }
                    509:
                    510:
1.1       kristaps  511: static size_t
1.62      schwarze  512: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  513: {
1.61      schwarze  514:        struct roffsu    su;
1.1       kristaps  515:
1.61      schwarze  516:        if ('\0' == arg->value[0][0])
                    517:                return(0);
                    518:        else if (0 == strcmp(arg->value[0], "left"))
1.9       schwarze  519:                return(0);
1.61      schwarze  520:        else if (0 == strcmp(arg->value[0], "indent"))
1.17      schwarze  521:                return(INDENT + 1);
1.61      schwarze  522:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      schwarze  523:                return((INDENT + 1) * 2);
1.61      schwarze  524:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    525:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      schwarze  526:
1.61      schwarze  527:        return(term_hspan(&su));
1.1       kristaps  528: }
                    529:
                    530:
1.68      schwarze  531: /*
                    532:  * Return 1 if an argument has a particular argument value or 0 if it
                    533:  * does not.  See arg_getattr().
                    534:  */
1.1       kristaps  535: static int
                    536: arg_hasattr(int arg, const struct mdoc_node *n)
                    537: {
                    538:
                    539:        return(-1 != arg_getattr(arg, n));
                    540: }
                    541:
                    542:
1.68      schwarze  543: /*
                    544:  * Get the index of an argument in a node's argument list or -1 if it
                    545:  * does not exist.  See arg_getattrs().
                    546:  */
1.1       kristaps  547: static int
                    548: arg_getattr(int v, const struct mdoc_node *n)
                    549: {
                    550:        int              val;
                    551:
                    552:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    553: }
                    554:
                    555:
1.68      schwarze  556: /*
                    557:  * Walk through the argument list for a node and fill an array "vals"
                    558:  * with the positions of the argument structures listed in "keys".
                    559:  * Return the number of elements that were written into "vals", which
                    560:  * can be zero.
                    561:  */
1.1       kristaps  562: static int
                    563: arg_getattrs(const int *keys, int *vals,
                    564:                size_t sz, const struct mdoc_node *n)
                    565: {
                    566:        int              i, j, k;
                    567:
                    568:        if (NULL == n->args)
                    569:                return(0);
                    570:
                    571:        for (k = i = 0; i < (int)n->args->argc; i++)
                    572:                for (j = 0; j < (int)sz; j++)
                    573:                        if (n->args->argv[i].arg == keys[j]) {
                    574:                                vals[j] = i;
                    575:                                k++;
                    576:                        }
                    577:        return(k);
                    578: }
                    579:
                    580:
1.68      schwarze  581: /*
                    582:  * Determine how much space to print out before block elements of `It'
                    583:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    584:  * too.
                    585:  */
1.45      schwarze  586: static void
1.61      schwarze  587: print_bvspace(struct termp *p,
1.1       kristaps  588:                const struct mdoc_node *bl,
1.60      schwarze  589:                const struct mdoc_node *n)
1.1       kristaps  590: {
1.60      schwarze  591:        const struct mdoc_node  *nn;
1.1       kristaps  592:
                    593:        term_newln(p);
1.60      schwarze  594:        if (arg_hasattr(MDOC_Compact, bl))
1.45      schwarze  595:                return;
                    596:
1.60      schwarze  597:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  598:
1.60      schwarze  599:        for (nn = n; nn; nn = nn->parent) {
                    600:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  601:                        continue;
1.60      schwarze  602:                if (MDOC_Ss == nn->tok)
1.45      schwarze  603:                        return;
1.60      schwarze  604:                if (MDOC_Sh == nn->tok)
1.45      schwarze  605:                        return;
1.60      schwarze  606:                if (NULL == nn->prev)
1.1       kristaps  607:                        continue;
                    608:                break;
                    609:        }
                    610:
1.60      schwarze  611:        /* A `-column' does not assert vspace within the list. */
1.45      schwarze  612:
1.82      schwarze  613:        if (MDOC_Bl == bl->tok && LIST_column == bl->data.list)
1.60      schwarze  614:                if (n->prev && MDOC_It == n->prev->tok)
1.45      schwarze  615:                        return;
                    616:
1.60      schwarze  617:        /* A `-diag' without body does not vspace. */
                    618:
1.82      schwarze  619:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.list)
1.60      schwarze  620:                if (n->prev && MDOC_It == n->prev->tok) {
                    621:                        assert(n->prev->body);
                    622:                        if (NULL == n->prev->body->child)
1.45      schwarze  623:                                return;
                    624:                }
                    625:
                    626:        term_vspace(p);
1.1       kristaps  627: }
                    628:
                    629:
                    630: /* ARGSUSED */
                    631: static int
                    632: termp_dq_pre(DECL_ARGS)
                    633: {
                    634:
1.60      schwarze  635:        if (MDOC_BODY != n->type)
1.1       kristaps  636:                return(1);
                    637:
                    638:        term_word(p, "\\(lq");
                    639:        p->flags |= TERMP_NOSPACE;
                    640:        return(1);
                    641: }
                    642:
                    643:
                    644: /* ARGSUSED */
                    645: static void
                    646: termp_dq_post(DECL_ARGS)
                    647: {
                    648:
1.60      schwarze  649:        if (MDOC_BODY != n->type)
1.1       kristaps  650:                return;
                    651:
                    652:        p->flags |= TERMP_NOSPACE;
                    653:        term_word(p, "\\(rq");
                    654: }
                    655:
                    656:
                    657: /* ARGSUSED */
                    658: static int
                    659: termp_it_pre(DECL_ARGS)
                    660: {
1.60      schwarze  661:        const struct mdoc_node *bl, *nn;
1.1       kristaps  662:        char                    buf[7];
1.82      schwarze  663:        int                     i, keys[3], vals[3];
1.68      schwarze  664:        size_t                  width, offset, ncols, dcol;
1.82      schwarze  665:        enum mdoc_list          type;
1.1       kristaps  666:
1.60      schwarze  667:        if (MDOC_BLOCK == n->type) {
1.61      schwarze  668:                print_bvspace(p, n->parent->parent, n);
1.45      schwarze  669:                return(1);
                    670:        }
1.1       kristaps  671:
1.60      schwarze  672:        bl = n->parent->parent->parent;
1.1       kristaps  673:
1.68      schwarze  674:        /* Get list width, offset, and list type from argument list. */
1.1       kristaps  675:
                    676:        keys[0] = MDOC_Width;
                    677:        keys[1] = MDOC_Offset;
                    678:        keys[2] = MDOC_Column;
                    679:
                    680:        vals[0] = vals[1] = vals[2] = -1;
                    681:
1.68      schwarze  682:        arg_getattrs(keys, vals, 3, bl);
1.1       kristaps  683:
1.82      schwarze  684:        type = bl->data.list;
1.1       kristaps  685:
1.68      schwarze  686:        /*
                    687:         * First calculate width and offset.  This is pretty easy unless
                    688:         * we're a -column list, in which case all prior columns must
                    689:         * be accounted for.
                    690:         */
                    691:
                    692:        width = offset = 0;
                    693:
1.66      schwarze  694:        if (vals[1] >= 0)
                    695:                offset = a2offs(&bl->args->argv[vals[1]]);
                    696:
1.1       kristaps  697:        switch (type) {
1.82      schwarze  698:        case (LIST_column):
1.60      schwarze  699:                if (MDOC_BODY == n->type)
1.1       kristaps  700:                        break;
1.66      schwarze  701:                /*
1.68      schwarze  702:                 * Imitate groff's column handling:
                    703:                 * - For each earlier column, add its width.
                    704:                 * - For less than 5 columns, add four more blanks per
                    705:                 *   column.
                    706:                 * - For exactly 5 columns, add three more blank per
                    707:                 *   column.
                    708:                 * - For more than 5 columns, add only one column.
1.66      schwarze  709:                 */
                    710:                ncols = bl->args->argv[vals[2]].sz;
1.68      schwarze  711:                /* LINTED */
                    712:                dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
                    713:
                    714:                for (i = 0, nn = n->prev;
                    715:                                nn && i < (int)ncols;
                    716:                                nn = nn->prev, i++)
                    717:                        offset += dcol + a2width
                    718:                                (&bl->args->argv[vals[2]], i);
                    719:
1.66      schwarze  720:
                    721:                /*
1.68      schwarze  722:                 * When exceeding the declared number of columns, leave
                    723:                 * the remaining widths at 0.  This will later be
                    724:                 * adjusted to the default width of 10, or, for the last
                    725:                 * column, stretched to the right margin.
1.46      schwarze  726:                 */
1.68      schwarze  727:                if (i >= (int)ncols)
                    728:                        break;
1.46      schwarze  729:
1.66      schwarze  730:                /*
1.68      schwarze  731:                 * Use the declared column widths, extended as explained
                    732:                 * in the preceding paragraph.
1.66      schwarze  733:                 */
1.68      schwarze  734:                width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.1       kristaps  735:                break;
                    736:        default:
1.68      schwarze  737:                if (vals[0] < 0)
                    738:                        break;
                    739:
                    740:                /*
                    741:                 * Note: buffer the width by 2, which is groff's magic
                    742:                 * number for buffering single arguments.  See the above
                    743:                 * handling for column for how this changes.
                    744:                 */
                    745:                width = a2width(&bl->args->argv[vals[0]], 0) + 2;
1.1       kristaps  746:                break;
                    747:        }
                    748:
                    749:        /*
                    750:         * List-type can override the width in the case of fixed-head
                    751:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.53      schwarze  752:         * offset.
1.1       kristaps  753:         */
                    754:
                    755:        switch (type) {
1.82      schwarze  756:        case (LIST_bullet):
1.1       kristaps  757:                /* FALLTHROUGH */
1.82      schwarze  758:        case (LIST_dash):
1.1       kristaps  759:                /* FALLTHROUGH */
1.82      schwarze  760:        case (LIST_hyphen):
1.1       kristaps  761:                if (width < 4)
                    762:                        width = 4;
1.19      schwarze  763:                break;
1.82      schwarze  764:        case (LIST_enum):
1.19      schwarze  765:                if (width < 5)
                    766:                        width = 5;
1.1       kristaps  767:                break;
1.82      schwarze  768:        case (LIST_hang):
1.33      schwarze  769:                if (0 == width)
                    770:                        width = 8;
                    771:                break;
1.82      schwarze  772:        case (LIST_column):
1.41      schwarze  773:                /* FALLTHROUGH */
1.82      schwarze  774:        case (LIST_tag):
1.1       kristaps  775:                if (0 == width)
                    776:                        width = 10;
                    777:                break;
                    778:        default:
                    779:                break;
                    780:        }
                    781:
                    782:        /*
1.16      schwarze  783:         * Whitespace control.  Inset bodies need an initial space,
                    784:         * while diagonal bodies need two.
1.1       kristaps  785:         */
                    786:
1.42      schwarze  787:        p->flags |= TERMP_NOSPACE;
                    788:
1.1       kristaps  789:        switch (type) {
1.82      schwarze  790:        case (LIST_diag):
1.60      schwarze  791:                if (MDOC_BODY == n->type)
1.48      schwarze  792:                        term_word(p, "\\ \\ ");
1.42      schwarze  793:                break;
1.82      schwarze  794:        case (LIST_inset):
1.60      schwarze  795:                if (MDOC_BODY == n->type)
1.42      schwarze  796:                        term_word(p, "\\ ");
1.1       kristaps  797:                break;
                    798:        default:
                    799:                break;
                    800:        }
                    801:
1.42      schwarze  802:        p->flags |= TERMP_NOSPACE;
                    803:
1.1       kristaps  804:        switch (type) {
1.82      schwarze  805:        case (LIST_diag):
1.60      schwarze  806:                if (MDOC_HEAD == n->type)
1.65      schwarze  807:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  808:                break;
                    809:        default:
                    810:                break;
                    811:        }
                    812:
                    813:        /*
1.68      schwarze  814:         * Pad and break control.  This is the tricky part.  These flags
                    815:         * are documented in term_flushln() in term.c.  Note that we're
                    816:         * going to unset all of these flags in termp_it_post() when we
                    817:         * exit.
1.1       kristaps  818:         */
                    819:
                    820:        switch (type) {
1.82      schwarze  821:        case (LIST_bullet):
1.1       kristaps  822:                /* FALLTHROUGH */
1.82      schwarze  823:        case (LIST_dash):
1.1       kristaps  824:                /* FALLTHROUGH */
1.82      schwarze  825:        case (LIST_enum):
1.1       kristaps  826:                /* FALLTHROUGH */
1.82      schwarze  827:        case (LIST_hyphen):
1.60      schwarze  828:                if (MDOC_HEAD == n->type)
1.33      schwarze  829:                        p->flags |= TERMP_NOBREAK;
                    830:                else
                    831:                        p->flags |= TERMP_NOLPAD;
                    832:                break;
1.82      schwarze  833:        case (LIST_hang):
1.60      schwarze  834:                if (MDOC_HEAD == n->type)
1.33      schwarze  835:                        p->flags |= TERMP_NOBREAK;
                    836:                else
                    837:                        p->flags |= TERMP_NOLPAD;
                    838:
1.60      schwarze  839:                if (MDOC_HEAD != n->type)
1.47      schwarze  840:                        break;
                    841:
                    842:                /*
                    843:                 * This is ugly.  If `-hang' is specified and the body
                    844:                 * is a `Bl' or `Bd', then we want basically to nullify
                    845:                 * the "overstep" effect in term_flushln() and treat
                    846:                 * this as a `-ohang' list instead.
                    847:                 */
1.60      schwarze  848:                if (n->next->child &&
                    849:                                (MDOC_Bl == n->next->child->tok ||
                    850:                                 MDOC_Bd == n->next->child->tok)) {
1.47      schwarze  851:                        p->flags &= ~TERMP_NOBREAK;
                    852:                        p->flags &= ~TERMP_NOLPAD;
                    853:                } else
1.33      schwarze  854:                        p->flags |= TERMP_HANG;
                    855:                break;
1.82      schwarze  856:        case (LIST_tag):
1.60      schwarze  857:                if (MDOC_HEAD == n->type)
1.42      schwarze  858:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  859:                else
                    860:                        p->flags |= TERMP_NOLPAD;
1.33      schwarze  861:
1.60      schwarze  862:                if (MDOC_HEAD != n->type)
1.33      schwarze  863:                        break;
1.60      schwarze  864:                if (NULL == n->next || NULL == n->next->child)
1.33      schwarze  865:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  866:                break;
1.82      schwarze  867:        case (LIST_column):
1.60      schwarze  868:                if (MDOC_HEAD == n->type) {
                    869:                        assert(n->next);
                    870:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  871:                                p->flags &= ~TERMP_NOBREAK;
                    872:                        else
                    873:                                p->flags |= TERMP_NOBREAK;
1.60      schwarze  874:                        if (n->prev)
1.1       kristaps  875:                                p->flags |= TERMP_NOLPAD;
                    876:                }
                    877:                break;
1.82      schwarze  878:        case (LIST_diag):
1.60      schwarze  879:                if (MDOC_HEAD == n->type)
1.1       kristaps  880:                        p->flags |= TERMP_NOBREAK;
                    881:                break;
                    882:        default:
                    883:                break;
                    884:        }
                    885:
                    886:        /*
                    887:         * Margin control.  Set-head-width lists have their right
                    888:         * margins shortened.  The body for these lists has the offset
                    889:         * necessarily lengthened.  Everybody gets the offset.
                    890:         */
                    891:
                    892:        p->offset += offset;
                    893:
                    894:        switch (type) {
1.82      schwarze  895:        case (LIST_hang):
1.47      schwarze  896:                /*
                    897:                 * Same stipulation as above, regarding `-hang'.  We
                    898:                 * don't want to recalculate rmargin and offsets when
                    899:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    900:                 */
1.60      schwarze  901:                if (MDOC_HEAD == n->type && n->next->child &&
                    902:                                (MDOC_Bl == n->next->child->tok ||
                    903:                                 MDOC_Bd == n->next->child->tok))
1.47      schwarze  904:                        break;
                    905:                /* FALLTHROUGH */
1.82      schwarze  906:        case (LIST_bullet):
1.1       kristaps  907:                /* FALLTHROUGH */
1.82      schwarze  908:        case (LIST_dash):
1.1       kristaps  909:                /* FALLTHROUGH */
1.82      schwarze  910:        case (LIST_enum):
1.1       kristaps  911:                /* FALLTHROUGH */
1.82      schwarze  912:        case (LIST_hyphen):
1.33      schwarze  913:                /* FALLTHROUGH */
1.82      schwarze  914:        case (LIST_tag):
1.41      schwarze  915:                assert(width);
1.60      schwarze  916:                if (MDOC_HEAD == n->type)
1.1       kristaps  917:                        p->rmargin = p->offset + width;
                    918:                else
                    919:                        p->offset += width;
                    920:                break;
1.82      schwarze  921:        case (LIST_column):
1.41      schwarze  922:                assert(width);
1.1       kristaps  923:                p->rmargin = p->offset + width;
1.43      schwarze  924:                /*
                    925:                 * XXX - this behaviour is not documented: the
                    926:                 * right-most column is filled to the right margin.
                    927:                 */
1.60      schwarze  928:                if (MDOC_HEAD == n->type &&
1.66      schwarze  929:                                MDOC_BODY == n->next->type &&
                    930:                                p->rmargin < p->maxrmargin)
1.43      schwarze  931:                        p->rmargin = p->maxrmargin;
1.1       kristaps  932:                break;
                    933:        default:
                    934:                break;
                    935:        }
                    936:
                    937:        /*
                    938:         * The dash, hyphen, bullet and enum lists all have a special
1.12      schwarze  939:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  940:         */
                    941:
1.60      schwarze  942:        if (MDOC_HEAD == n->type)
1.1       kristaps  943:                switch (type) {
1.82      schwarze  944:                case (LIST_bullet):
1.65      schwarze  945:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  946:                        term_word(p, "\\[bu]");
1.65      schwarze  947:                        term_fontpop(p);
1.1       kristaps  948:                        break;
1.82      schwarze  949:                case (LIST_dash):
1.1       kristaps  950:                        /* FALLTHROUGH */
1.82      schwarze  951:                case (LIST_hyphen):
1.65      schwarze  952:                        term_fontpush(p, TERMFONT_BOLD);
1.35      schwarze  953:                        term_word(p, "\\(hy");
1.65      schwarze  954:                        term_fontpop(p);
1.1       kristaps  955:                        break;
1.82      schwarze  956:                case (LIST_enum):
1.1       kristaps  957:                        (pair->ppair->ppair->count)++;
1.68      schwarze  958:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  959:                                        pair->ppair->ppair->count);
                    960:                        term_word(p, buf);
                    961:                        break;
                    962:                default:
                    963:                        break;
                    964:                }
1.12      schwarze  965:
1.1       kristaps  966:        /*
                    967:         * If we're not going to process our children, indicate so here.
                    968:         */
                    969:
                    970:        switch (type) {
1.82      schwarze  971:        case (LIST_bullet):
1.1       kristaps  972:                /* FALLTHROUGH */
1.82      schwarze  973:        case (LIST_item):
1.1       kristaps  974:                /* FALLTHROUGH */
1.82      schwarze  975:        case (LIST_dash):
1.1       kristaps  976:                /* FALLTHROUGH */
1.82      schwarze  977:        case (LIST_hyphen):
1.1       kristaps  978:                /* FALLTHROUGH */
1.82      schwarze  979:        case (LIST_enum):
1.60      schwarze  980:                if (MDOC_HEAD == n->type)
1.1       kristaps  981:                        return(0);
                    982:                break;
1.82      schwarze  983:        case (LIST_column):
1.60      schwarze  984:                if (MDOC_BODY == n->type)
1.1       kristaps  985:                        return(0);
                    986:                break;
                    987:        default:
                    988:                break;
                    989:        }
                    990:
                    991:        return(1);
                    992: }
                    993:
                    994:
                    995: /* ARGSUSED */
                    996: static void
                    997: termp_it_post(DECL_ARGS)
                    998: {
1.82      schwarze  999:        enum mdoc_list     type;
1.1       kristaps 1000:
1.68      schwarze 1001:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1002:                return;
                   1003:
1.82      schwarze 1004:        type = n->parent->parent->parent->data.list;
1.1       kristaps 1005:
                   1006:        switch (type) {
1.82      schwarze 1007:        case (LIST_item):
1.44      schwarze 1008:                /* FALLTHROUGH */
1.82      schwarze 1009:        case (LIST_diag):
1.1       kristaps 1010:                /* FALLTHROUGH */
1.82      schwarze 1011:        case (LIST_inset):
1.60      schwarze 1012:                if (MDOC_BODY == n->type)
1.74      schwarze 1013:                        term_newln(p);
1.1       kristaps 1014:                break;
1.82      schwarze 1015:        case (LIST_column):
1.60      schwarze 1016:                if (MDOC_HEAD == n->type)
1.1       kristaps 1017:                        term_flushln(p);
                   1018:                break;
                   1019:        default:
1.74      schwarze 1020:                term_newln(p);
1.1       kristaps 1021:                break;
                   1022:        }
                   1023:
1.68      schwarze 1024:        /*
                   1025:         * Now that our output is flushed, we can reset our tags.  Since
                   1026:         * only `It' sets these flags, we're free to assume that nobody
                   1027:         * has munged them in the meanwhile.
                   1028:         */
                   1029:
                   1030:        p->flags &= ~TERMP_DANGLE;
                   1031:        p->flags &= ~TERMP_NOBREAK;
                   1032:        p->flags &= ~TERMP_TWOSPACE;
                   1033:        p->flags &= ~TERMP_NOLPAD;
                   1034:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1035: }
                   1036:
                   1037:
                   1038: /* ARGSUSED */
                   1039: static int
                   1040: termp_nm_pre(DECL_ARGS)
                   1041: {
                   1042:
1.81      schwarze 1043:        if (NULL == n->child && NULL == m->name)
1.83      schwarze 1044:                return(1);
1.81      schwarze 1045:
1.77      schwarze 1046:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.1       kristaps 1047:                term_newln(p);
1.65      schwarze 1048:
                   1049:        term_fontpush(p, TERMFONT_BOLD);
                   1050:
1.60      schwarze 1051:        if (NULL == n->child)
                   1052:                term_word(p, m->name);
1.81      schwarze 1053:
1.1       kristaps 1054:        return(1);
                   1055: }
                   1056:
                   1057:
                   1058: /* ARGSUSED */
                   1059: static int
                   1060: termp_fl_pre(DECL_ARGS)
                   1061: {
                   1062:
1.65      schwarze 1063:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1064:        term_word(p, "\\-");
1.67      schwarze 1065:
                   1066:        if (n->child)
                   1067:                p->flags |= TERMP_NOSPACE;
1.73      schwarze 1068:        else if (n->next && n->next->line == n->line)
                   1069:                p->flags |= TERMP_NOSPACE;
1.67      schwarze 1070:
1.1       kristaps 1071:        return(1);
1.49      schwarze 1072: }
                   1073:
                   1074:
                   1075: /* ARGSUSED */
                   1076: static int
                   1077: termp_an_pre(DECL_ARGS)
                   1078: {
                   1079:
1.60      schwarze 1080:        if (NULL == n->child)
1.49      schwarze 1081:                return(1);
                   1082:
                   1083:        /*
1.60      schwarze 1084:         * If not in the AUTHORS section, `An -split' will cause
                   1085:         * newlines to occur before the author name.  If in the AUTHORS
                   1086:         * section, by default, the first `An' invocation is nosplit,
                   1087:         * then all subsequent ones, regardless of whether interspersed
                   1088:         * with other macros/text, are split.  -split, in this case,
                   1089:         * will override the condition of the implied first -nosplit.
1.49      schwarze 1090:         */
                   1091:
1.60      schwarze 1092:        if (n->sec == SEC_AUTHORS) {
1.49      schwarze 1093:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1094:                        if (TERMP_SPLIT & p->flags)
                   1095:                                term_newln(p);
                   1096:                        return(1);
                   1097:                }
                   1098:                if (TERMP_NOSPLIT & p->flags)
                   1099:                        return(1);
                   1100:                term_newln(p);
                   1101:                return(1);
                   1102:        }
                   1103:
                   1104:        if (TERMP_SPLIT & p->flags)
                   1105:                term_newln(p);
                   1106:
                   1107:        return(1);
                   1108: }
                   1109:
                   1110:
                   1111: /* ARGSUSED */
                   1112: static void
                   1113: termp_an_post(DECL_ARGS)
                   1114: {
                   1115:
1.60      schwarze 1116:        if (n->child) {
                   1117:                if (SEC_AUTHORS == n->sec)
1.49      schwarze 1118:                        p->flags |= TERMP_ANPREC;
                   1119:                return;
                   1120:        }
                   1121:
1.77      schwarze 1122:        if (arg_hasattr(MDOC_Split, n)) {
1.49      schwarze 1123:                p->flags &= ~TERMP_NOSPLIT;
                   1124:                p->flags |= TERMP_SPLIT;
                   1125:        } else {
                   1126:                p->flags &= ~TERMP_SPLIT;
                   1127:                p->flags |= TERMP_NOSPLIT;
                   1128:        }
                   1129:
1.1       kristaps 1130: }
                   1131:
                   1132:
                   1133: /* ARGSUSED */
                   1134: static int
                   1135: termp_ns_pre(DECL_ARGS)
                   1136: {
                   1137:
                   1138:        p->flags |= TERMP_NOSPACE;
                   1139:        return(1);
                   1140: }
                   1141:
                   1142:
                   1143: /* ARGSUSED */
                   1144: static int
                   1145: termp_rs_pre(DECL_ARGS)
                   1146: {
                   1147:
1.60      schwarze 1148:        if (SEC_SEE_ALSO != n->sec)
1.57      schwarze 1149:                return(1);
1.60      schwarze 1150:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1151:                term_vspace(p);
                   1152:        return(1);
                   1153: }
                   1154:
                   1155:
                   1156: /* ARGSUSED */
                   1157: static int
                   1158: termp_rv_pre(DECL_ARGS)
                   1159: {
1.53      schwarze 1160:        const struct mdoc_node  *nn;
1.1       kristaps 1161:
                   1162:        term_newln(p);
                   1163:        term_word(p, "The");
                   1164:
1.60      schwarze 1165:        for (nn = n->child; nn; nn = nn->next) {
1.65      schwarze 1166:                term_fontpush(p, TERMFONT_BOLD);
1.53      schwarze 1167:                term_word(p, nn->string);
1.65      schwarze 1168:                term_fontpop(p);
1.53      schwarze 1169:                p->flags |= TERMP_NOSPACE;
                   1170:                if (nn->next && NULL == nn->next->next)
                   1171:                        term_word(p, "(), and");
                   1172:                else if (nn->next)
                   1173:                        term_word(p, "(),");
                   1174:                else
                   1175:                        term_word(p, "()");
                   1176:        }
                   1177:
1.81      schwarze 1178:        if (n->child && n->child->next)
1.53      schwarze 1179:                term_word(p, "functions return");
                   1180:        else
                   1181:                term_word(p, "function returns");
1.1       kristaps 1182:
1.53      schwarze 1183:                term_word(p, "the value 0 if successful; otherwise the value "
                   1184:                        "-1 is returned and the global variable");
1.1       kristaps 1185:
1.65      schwarze 1186:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1187:        term_word(p, "errno");
1.65      schwarze 1188:        term_fontpop(p);
1.1       kristaps 1189:
                   1190:                term_word(p, "is set to indicate the error.");
1.84    ! schwarze 1191:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1192:
1.53      schwarze 1193:        return(0);
1.1       kristaps 1194: }
                   1195:
                   1196:
                   1197: /* ARGSUSED */
                   1198: static int
                   1199: termp_ex_pre(DECL_ARGS)
                   1200: {
1.53      schwarze 1201:        const struct mdoc_node  *nn;
1.1       kristaps 1202:
1.53      schwarze 1203:        term_word(p, "The");
1.1       kristaps 1204:
1.60      schwarze 1205:        for (nn = n->child; nn; nn = nn->next) {
1.65      schwarze 1206:                term_fontpush(p, TERMFONT_BOLD);
1.53      schwarze 1207:                term_word(p, nn->string);
1.65      schwarze 1208:                term_fontpop(p);
1.53      schwarze 1209:                p->flags |= TERMP_NOSPACE;
                   1210:                if (nn->next && NULL == nn->next->next)
                   1211:                        term_word(p, ", and");
                   1212:                else if (nn->next)
                   1213:                        term_word(p, ",");
                   1214:                else
                   1215:                        p->flags &= ~TERMP_NOSPACE;
                   1216:        }
                   1217:
1.81      schwarze 1218:        if (n->child && n->child->next)
1.53      schwarze 1219:                term_word(p, "utilities exit");
                   1220:        else
                   1221:                term_word(p, "utility exits");
                   1222:
                   1223:                term_word(p, "0 on success, and >0 if an error occurs.");
1.84    ! schwarze 1224:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1225:
1.53      schwarze 1226:        return(0);
1.1       kristaps 1227: }
                   1228:
                   1229:
                   1230: /* ARGSUSED */
                   1231: static int
                   1232: termp_nd_pre(DECL_ARGS)
                   1233: {
1.25      schwarze 1234:
1.60      schwarze 1235:        if (MDOC_BODY != n->type)
1.25      schwarze 1236:                return(1);
                   1237:
                   1238: #if defined(__OpenBSD__) || defined(__linux__)
                   1239:        term_word(p, "\\(en");
1.24      schwarze 1240: #else
                   1241:        term_word(p, "\\(em");
                   1242: #endif
1.1       kristaps 1243:        return(1);
                   1244: }
                   1245:
                   1246:
                   1247: /* ARGSUSED */
1.73      schwarze 1248: static int
                   1249: termp_bl_pre(DECL_ARGS)
                   1250: {
                   1251:
                   1252:        return(MDOC_HEAD != n->type);
                   1253: }
                   1254:
                   1255:
                   1256: /* ARGSUSED */
1.1       kristaps 1257: static void
                   1258: termp_bl_post(DECL_ARGS)
                   1259: {
                   1260:
1.60      schwarze 1261:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1262:                term_newln(p);
                   1263: }
                   1264:
                   1265:
                   1266: /* ARGSUSED */
                   1267: static void
                   1268: termp_op_post(DECL_ARGS)
                   1269: {
                   1270:
1.60      schwarze 1271:        if (MDOC_BODY != n->type)
1.1       kristaps 1272:                return;
                   1273:        p->flags |= TERMP_NOSPACE;
                   1274:        term_word(p, "\\(rB");
                   1275: }
                   1276:
                   1277:
                   1278: /* ARGSUSED */
                   1279: static int
                   1280: termp_xr_pre(DECL_ARGS)
                   1281: {
1.60      schwarze 1282:        const struct mdoc_node *nn;
1.1       kristaps 1283:
1.72      schwarze 1284:        if (NULL == n->child)
                   1285:                return(0);
                   1286:
                   1287:        assert(MDOC_TEXT == n->child->type);
1.60      schwarze 1288:        nn = n->child;
1.10      schwarze 1289:
1.60      schwarze 1290:        term_word(p, nn->string);
                   1291:        if (NULL == (nn = nn->next))
1.1       kristaps 1292:                return(0);
                   1293:        p->flags |= TERMP_NOSPACE;
                   1294:        term_word(p, "(");
                   1295:        p->flags |= TERMP_NOSPACE;
1.60      schwarze 1296:        term_word(p, nn->string);
1.1       kristaps 1297:        p->flags |= TERMP_NOSPACE;
                   1298:        term_word(p, ")");
1.60      schwarze 1299:
1.1       kristaps 1300:        return(0);
                   1301: }
                   1302:
                   1303:
1.69      schwarze 1304: static int
                   1305: termp_vt_pre(DECL_ARGS)
                   1306: {
                   1307:
                   1308:        if (MDOC_ELEM == n->type)
                   1309:                return(termp_under_pre(p, pair, m, n));
                   1310:        else if (MDOC_HEAD == n->type)
                   1311:                return(0);
                   1312:        else if (MDOC_BLOCK == n->type)
                   1313:                return(1);
                   1314:
                   1315:        return(termp_under_pre(p, pair, m, n));
                   1316: }
                   1317:
                   1318:
1.1       kristaps 1319: /* ARGSUSED */
                   1320: static void
                   1321: termp_vt_post(DECL_ARGS)
                   1322: {
                   1323:
1.69      schwarze 1324:        if (MDOC_BLOCK != n->type)
1.30      schwarze 1325:                return;
1.60      schwarze 1326:        if (n->next && MDOC_Vt == n->next->tok)
1.30      schwarze 1327:                term_newln(p);
1.60      schwarze 1328:        else if (n->next)
1.1       kristaps 1329:                term_vspace(p);
                   1330: }
                   1331:
                   1332:
                   1333: /* ARGSUSED */
                   1334: static int
1.54      schwarze 1335: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1336: {
                   1337:
1.65      schwarze 1338:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1339:        return(1);
                   1340: }
                   1341:
                   1342:
                   1343: /* ARGSUSED */
                   1344: static void
                   1345: termp_fd_post(DECL_ARGS)
                   1346: {
                   1347:
1.77      schwarze 1348:        if (n->sec != SEC_SYNOPSIS || ! (MDOC_LINE & n->flags))
1.1       kristaps 1349:                return;
1.27      schwarze 1350:
1.1       kristaps 1351:        term_newln(p);
1.60      schwarze 1352:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1353:                term_vspace(p);
                   1354: }
                   1355:
                   1356:
                   1357: /* ARGSUSED */
                   1358: static int
                   1359: termp_sh_pre(DECL_ARGS)
                   1360: {
1.60      schwarze 1361:
                   1362:        /* No vspace between consecutive `Sh' calls. */
                   1363:
                   1364:        switch (n->type) {
1.52      schwarze 1365:        case (MDOC_BLOCK):
1.60      schwarze 1366:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1367:                        if (NULL == n->prev->body->child)
1.52      schwarze 1368:                                break;
                   1369:                term_vspace(p);
                   1370:                break;
1.1       kristaps 1371:        case (MDOC_HEAD):
1.65      schwarze 1372:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1373:                break;
                   1374:        case (MDOC_BODY):
                   1375:                p->offset = INDENT;
                   1376:                break;
                   1377:        default:
                   1378:                break;
                   1379:        }
                   1380:        return(1);
                   1381: }
                   1382:
                   1383:
                   1384: /* ARGSUSED */
                   1385: static void
                   1386: termp_sh_post(DECL_ARGS)
                   1387: {
                   1388:
1.60      schwarze 1389:        switch (n->type) {
1.1       kristaps 1390:        case (MDOC_HEAD):
                   1391:                term_newln(p);
                   1392:                break;
                   1393:        case (MDOC_BODY):
                   1394:                term_newln(p);
                   1395:                p->offset = 0;
                   1396:                break;
                   1397:        default:
                   1398:                break;
                   1399:        }
                   1400: }
                   1401:
                   1402:
                   1403: /* ARGSUSED */
                   1404: static int
                   1405: termp_op_pre(DECL_ARGS)
                   1406: {
                   1407:
1.60      schwarze 1408:        switch (n->type) {
1.1       kristaps 1409:        case (MDOC_BODY):
                   1410:                term_word(p, "\\(lB");
                   1411:                p->flags |= TERMP_NOSPACE;
                   1412:                break;
                   1413:        default:
                   1414:                break;
                   1415:        }
                   1416:        return(1);
                   1417: }
                   1418:
                   1419:
                   1420: /* ARGSUSED */
                   1421: static int
                   1422: termp_bt_pre(DECL_ARGS)
                   1423: {
                   1424:
                   1425:        term_word(p, "is currently in beta test.");
1.84    ! schwarze 1426:        p->flags |= TERMP_SENTENCE;
1.59      schwarze 1427:        return(0);
1.1       kristaps 1428: }
                   1429:
                   1430:
                   1431: /* ARGSUSED */
                   1432: static void
                   1433: termp_lb_post(DECL_ARGS)
                   1434: {
                   1435:
1.77      schwarze 1436:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57      schwarze 1437:                term_newln(p);
1.1       kristaps 1438: }
                   1439:
                   1440:
                   1441: /* ARGSUSED */
                   1442: static int
                   1443: termp_ud_pre(DECL_ARGS)
                   1444: {
                   1445:
                   1446:        term_word(p, "currently under development.");
1.84    ! schwarze 1447:        p->flags |= TERMP_SENTENCE;
1.60      schwarze 1448:        return(0);
1.1       kristaps 1449: }
                   1450:
                   1451:
                   1452: /* ARGSUSED */
                   1453: static int
                   1454: termp_d1_pre(DECL_ARGS)
                   1455: {
                   1456:
1.60      schwarze 1457:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1458:                return(1);
                   1459:        term_newln(p);
1.28      schwarze 1460:        p->offset += (INDENT + 1);
1.1       kristaps 1461:        return(1);
                   1462: }
                   1463:
                   1464:
                   1465: /* ARGSUSED */
                   1466: static void
                   1467: termp_d1_post(DECL_ARGS)
                   1468: {
                   1469:
1.60      schwarze 1470:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1471:                return;
                   1472:        term_newln(p);
                   1473: }
                   1474:
                   1475:
                   1476: /* ARGSUSED */
                   1477: static int
                   1478: termp_aq_pre(DECL_ARGS)
                   1479: {
                   1480:
1.60      schwarze 1481:        if (MDOC_BODY != n->type)
1.1       kristaps 1482:                return(1);
                   1483:        term_word(p, "\\(la");
                   1484:        p->flags |= TERMP_NOSPACE;
                   1485:        return(1);
                   1486: }
                   1487:
                   1488:
                   1489: /* ARGSUSED */
                   1490: static void
                   1491: termp_aq_post(DECL_ARGS)
                   1492: {
                   1493:
1.60      schwarze 1494:        if (MDOC_BODY != n->type)
1.1       kristaps 1495:                return;
                   1496:        p->flags |= TERMP_NOSPACE;
                   1497:        term_word(p, "\\(ra");
                   1498: }
                   1499:
                   1500:
                   1501: /* ARGSUSED */
                   1502: static int
                   1503: termp_ft_pre(DECL_ARGS)
                   1504: {
                   1505:
1.77      schwarze 1506:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.60      schwarze 1507:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1508:                        term_vspace(p);
1.65      schwarze 1509:
                   1510:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1511:        return(1);
                   1512: }
                   1513:
                   1514:
                   1515: /* ARGSUSED */
                   1516: static void
                   1517: termp_ft_post(DECL_ARGS)
                   1518: {
                   1519:
1.77      schwarze 1520:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.1       kristaps 1521:                term_newln(p);
                   1522: }
                   1523:
                   1524:
                   1525: /* ARGSUSED */
                   1526: static int
                   1527: termp_fn_pre(DECL_ARGS)
                   1528: {
1.60      schwarze 1529:        const struct mdoc_node  *nn;
1.1       kristaps 1530:
1.65      schwarze 1531:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 1532:        term_word(p, n->child->string);
1.65      schwarze 1533:        term_fontpop(p);
1.1       kristaps 1534:
                   1535:        p->flags |= TERMP_NOSPACE;
                   1536:        term_word(p, "(");
                   1537:
1.60      schwarze 1538:        for (nn = n->child->next; nn; nn = nn->next) {
1.65      schwarze 1539:                term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 1540:                term_word(p, nn->string);
1.65      schwarze 1541:                term_fontpop(p);
                   1542:
1.60      schwarze 1543:                if (nn->next)
1.1       kristaps 1544:                        term_word(p, ",");
                   1545:        }
                   1546:
                   1547:        term_word(p, ")");
                   1548:
1.60      schwarze 1549:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1550:                term_word(p, ";");
                   1551:
                   1552:        return(0);
                   1553: }
                   1554:
                   1555:
                   1556: /* ARGSUSED */
                   1557: static void
                   1558: termp_fn_post(DECL_ARGS)
                   1559: {
                   1560:
1.77      schwarze 1561:        if (n->sec == SEC_SYNOPSIS && n->next && MDOC_LINE & n->flags)
1.1       kristaps 1562:                term_vspace(p);
                   1563: }
                   1564:
                   1565:
                   1566: /* ARGSUSED */
                   1567: static int
                   1568: termp_fa_pre(DECL_ARGS)
                   1569: {
1.60      schwarze 1570:        const struct mdoc_node  *nn;
1.1       kristaps 1571:
1.60      schwarze 1572:        if (n->parent->tok != MDOC_Fo) {
1.65      schwarze 1573:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1574:                return(1);
                   1575:        }
                   1576:
1.60      schwarze 1577:        for (nn = n->child; nn; nn = nn->next) {
1.65      schwarze 1578:                term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 1579:                term_word(p, nn->string);
1.65      schwarze 1580:                term_fontpop(p);
                   1581:
1.60      schwarze 1582:                if (nn->next)
1.1       kristaps 1583:                        term_word(p, ",");
                   1584:        }
                   1585:
1.60      schwarze 1586:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1587:                term_word(p, ",");
                   1588:
                   1589:        return(0);
                   1590: }
                   1591:
                   1592:
                   1593: /* ARGSUSED */
                   1594: static int
                   1595: termp_bd_pre(DECL_ARGS)
                   1596: {
1.75      schwarze 1597:        size_t                   tabwidth;
1.60      schwarze 1598:        int                      i, type;
1.77      schwarze 1599:        size_t                   rm, rmax;
1.60      schwarze 1600:        const struct mdoc_node  *nn;
1.1       kristaps 1601:
1.60      schwarze 1602:        if (MDOC_BLOCK == n->type) {
1.61      schwarze 1603:                print_bvspace(p, n, n);
1.45      schwarze 1604:                return(1);
1.73      schwarze 1605:        } else if (MDOC_HEAD == n->type)
                   1606:                return(0);
1.1       kristaps 1607:
1.60      schwarze 1608:        nn = n->parent;
1.1       kristaps 1609:
1.77      schwarze 1610:        type = arg_disptype(nn);
                   1611:        assert(-1 != type);
                   1612:
                   1613:        if (-1 != (i = arg_getattr(MDOC_Offset, nn)))
                   1614:                p->offset += a2offs(&nn->args->argv[i]);
1.60      schwarze 1615:
                   1616:        /*
                   1617:         * If -ragged or -filled are specified, the block does nothing
                   1618:         * but change the indentation.  If -unfilled or -literal are
                   1619:         * specified, text is printed exactly as entered in the display:
                   1620:         * for macro lines, a newline is appended to the line.  Blank
                   1621:         * lines are allowed.
                   1622:         */
1.48      schwarze 1623:
1.60      schwarze 1624:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1625:                return(1);
                   1626:
1.75      schwarze 1627:        tabwidth = p->tabwidth;
                   1628:        p->tabwidth = 8;
1.77      schwarze 1629:        rm = p->rmargin;
                   1630:        rmax = p->maxrmargin;
                   1631:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
                   1632:
1.60      schwarze 1633:        for (nn = n->child; nn; nn = nn->next) {
1.48      schwarze 1634:                p->flags |= TERMP_NOSPACE;
1.65      schwarze 1635:                print_mdoc_node(p, pair, m, nn);
1.75      schwarze 1636:                if (NULL == nn->prev ||
                   1637:                    nn->prev->line < nn->line ||
                   1638:                    NULL == nn->next)
1.1       kristaps 1639:                        term_flushln(p);
                   1640:        }
1.75      schwarze 1641:        p->tabwidth = tabwidth;
1.1       kristaps 1642:
1.77      schwarze 1643:        p->rmargin = rm;
                   1644:        p->maxrmargin = rmax;
1.1       kristaps 1645:        return(0);
                   1646: }
                   1647:
                   1648:
                   1649: /* ARGSUSED */
                   1650: static void
                   1651: termp_bd_post(DECL_ARGS)
                   1652: {
1.77      schwarze 1653:        int              type;
                   1654:        size_t           rm, rmax;
1.1       kristaps 1655:
1.60      schwarze 1656:        if (MDOC_BODY != n->type)
1.1       kristaps 1657:                return;
1.77      schwarze 1658:
                   1659:        type = arg_disptype(n->parent);
                   1660:        assert(-1 != type);
                   1661:
                   1662:        rm = p->rmargin;
                   1663:        rmax = p->maxrmargin;
                   1664:
                   1665:        if (MDOC_Literal == type || MDOC_Unfilled == type)
                   1666:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
                   1667:
1.48      schwarze 1668:        p->flags |= TERMP_NOSPACE;
1.75      schwarze 1669:        term_newln(p);
1.77      schwarze 1670:
                   1671:        p->rmargin = rm;
                   1672:        p->maxrmargin = rmax;
1.1       kristaps 1673: }
                   1674:
                   1675:
                   1676: /* ARGSUSED */
                   1677: static int
                   1678: termp_qq_pre(DECL_ARGS)
                   1679: {
                   1680:
1.60      schwarze 1681:        if (MDOC_BODY != n->type)
1.1       kristaps 1682:                return(1);
                   1683:        term_word(p, "\"");
                   1684:        p->flags |= TERMP_NOSPACE;
                   1685:        return(1);
                   1686: }
                   1687:
                   1688:
                   1689: /* ARGSUSED */
                   1690: static void
                   1691: termp_qq_post(DECL_ARGS)
                   1692: {
                   1693:
1.60      schwarze 1694:        if (MDOC_BODY != n->type)
1.1       kristaps 1695:                return;
                   1696:        p->flags |= TERMP_NOSPACE;
                   1697:        term_word(p, "\"");
                   1698: }
                   1699:
                   1700:
                   1701: /* ARGSUSED */
                   1702: static void
                   1703: termp_bx_post(DECL_ARGS)
                   1704: {
                   1705:
1.60      schwarze 1706:        if (n->child)
1.1       kristaps 1707:                p->flags |= TERMP_NOSPACE;
                   1708:        term_word(p, "BSD");
                   1709: }
                   1710:
                   1711:
                   1712: /* ARGSUSED */
                   1713: static int
1.26      schwarze 1714: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1715: {
1.26      schwarze 1716:        const char      *pp;
1.1       kristaps 1717:
1.26      schwarze 1718:        pp = NULL;
1.60      schwarze 1719:        switch (n->tok) {
1.26      schwarze 1720:        case (MDOC_Bsx):
                   1721:                pp = "BSDI BSD/OS";
                   1722:                break;
                   1723:        case (MDOC_Dx):
1.64      schwarze 1724:                pp = "DragonFly";
1.26      schwarze 1725:                break;
                   1726:        case (MDOC_Fx):
                   1727:                pp = "FreeBSD";
                   1728:                break;
                   1729:        case (MDOC_Nx):
                   1730:                pp = "NetBSD";
                   1731:                break;
                   1732:        case (MDOC_Ox):
                   1733:                pp = "OpenBSD";
                   1734:                break;
                   1735:        case (MDOC_Ux):
                   1736:                pp = "UNIX";
                   1737:                break;
                   1738:        default:
                   1739:                break;
                   1740:        }
1.1       kristaps 1741:
1.26      schwarze 1742:        assert(pp);
                   1743:        term_word(p, pp);
1.1       kristaps 1744:        return(1);
                   1745: }
                   1746:
                   1747:
                   1748: /* ARGSUSED */
                   1749: static int
                   1750: termp_sq_pre(DECL_ARGS)
                   1751: {
                   1752:
1.60      schwarze 1753:        if (MDOC_BODY != n->type)
1.1       kristaps 1754:                return(1);
                   1755:        term_word(p, "\\(oq");
                   1756:        p->flags |= TERMP_NOSPACE;
                   1757:        return(1);
                   1758: }
                   1759:
                   1760:
                   1761: /* ARGSUSED */
                   1762: static void
                   1763: termp_sq_post(DECL_ARGS)
                   1764: {
                   1765:
1.60      schwarze 1766:        if (MDOC_BODY != n->type)
1.1       kristaps 1767:                return;
                   1768:        p->flags |= TERMP_NOSPACE;
                   1769:        term_word(p, "\\(aq");
                   1770: }
                   1771:
                   1772:
                   1773: /* ARGSUSED */
                   1774: static int
                   1775: termp_pf_pre(DECL_ARGS)
                   1776: {
                   1777:
                   1778:        p->flags |= TERMP_IGNDELIM;
                   1779:        return(1);
                   1780: }
                   1781:
                   1782:
                   1783: /* ARGSUSED */
                   1784: static void
                   1785: termp_pf_post(DECL_ARGS)
                   1786: {
                   1787:
                   1788:        p->flags &= ~TERMP_IGNDELIM;
                   1789:        p->flags |= TERMP_NOSPACE;
                   1790: }
                   1791:
                   1792:
                   1793: /* ARGSUSED */
                   1794: static int
                   1795: termp_ss_pre(DECL_ARGS)
                   1796: {
                   1797:
1.60      schwarze 1798:        switch (n->type) {
1.1       kristaps 1799:        case (MDOC_BLOCK):
                   1800:                term_newln(p);
1.60      schwarze 1801:                if (n->prev)
1.1       kristaps 1802:                        term_vspace(p);
                   1803:                break;
                   1804:        case (MDOC_HEAD):
1.65      schwarze 1805:                term_fontpush(p, TERMFONT_BOLD);
1.3       schwarze 1806:                p->offset = HALFINDENT;
1.1       kristaps 1807:                break;
                   1808:        default:
                   1809:                break;
                   1810:        }
                   1811:
                   1812:        return(1);
                   1813: }
                   1814:
                   1815:
                   1816: /* ARGSUSED */
                   1817: static void
                   1818: termp_ss_post(DECL_ARGS)
                   1819: {
                   1820:
1.60      schwarze 1821:        if (MDOC_HEAD == n->type)
1.1       kristaps 1822:                term_newln(p);
                   1823: }
                   1824:
                   1825:
                   1826: /* ARGSUSED */
                   1827: static int
                   1828: termp_cd_pre(DECL_ARGS)
                   1829: {
                   1830:
1.65      schwarze 1831:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1832:        term_newln(p);
                   1833:        return(1);
                   1834: }
                   1835:
                   1836:
                   1837: /* ARGSUSED */
                   1838: static int
                   1839: termp_in_pre(DECL_ARGS)
                   1840: {
                   1841:
1.65      schwarze 1842:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 1843:        if (SEC_SYNOPSIS == n->sec)
1.23      schwarze 1844:                term_word(p, "#include");
                   1845:
1.1       kristaps 1846:        term_word(p, "<");
                   1847:        p->flags |= TERMP_NOSPACE;
                   1848:        return(1);
                   1849: }
                   1850:
                   1851:
                   1852: /* ARGSUSED */
                   1853: static void
                   1854: termp_in_post(DECL_ARGS)
                   1855: {
                   1856:
1.65      schwarze 1857:        term_fontpush(p, TERMFONT_BOLD);
1.59      schwarze 1858:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1859:        term_word(p, ">");
1.65      schwarze 1860:        term_fontpop(p);
1.1       kristaps 1861:
1.77      schwarze 1862:        if (SEC_SYNOPSIS != n->sec && ! (MDOC_LINE & n->flags))
1.1       kristaps 1863:                return;
1.23      schwarze 1864:
                   1865:        term_newln(p);
                   1866:        /*
                   1867:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1868:         * the SYNOPSIS section, then it produces a single break after
                   1869:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1870:         * construction is rarely used, I think it's fine.
                   1871:         */
1.60      schwarze 1872:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1873:                term_vspace(p);
1.38      schwarze 1874: }
                   1875:
                   1876:
                   1877: /* ARGSUSED */
                   1878: static int
                   1879: termp_sp_pre(DECL_ARGS)
                   1880: {
1.61      schwarze 1881:        size_t           i, len;
1.38      schwarze 1882:
1.60      schwarze 1883:        switch (n->tok) {
1.54      schwarze 1884:        case (MDOC_sp):
1.62      schwarze 1885:                len = n->child ? a2height(n->child) : 1;
1.54      schwarze 1886:                break;
                   1887:        case (MDOC_br):
                   1888:                len = 0;
                   1889:                break;
                   1890:        default:
                   1891:                len = 1;
                   1892:                break;
1.38      schwarze 1893:        }
                   1894:
                   1895:        if (0 == len)
                   1896:                term_newln(p);
                   1897:        for (i = 0; i < len; i++)
                   1898:                term_vspace(p);
                   1899:
                   1900:        return(0);
                   1901: }
                   1902:
                   1903:
                   1904: /* ARGSUSED */
                   1905: static int
1.1       kristaps 1906: termp_brq_pre(DECL_ARGS)
                   1907: {
                   1908:
1.60      schwarze 1909:        if (MDOC_BODY != n->type)
1.1       kristaps 1910:                return(1);
                   1911:        term_word(p, "\\(lC");
                   1912:        p->flags |= TERMP_NOSPACE;
                   1913:        return(1);
                   1914: }
                   1915:
                   1916:
                   1917: /* ARGSUSED */
                   1918: static void
                   1919: termp_brq_post(DECL_ARGS)
                   1920: {
                   1921:
1.60      schwarze 1922:        if (MDOC_BODY != n->type)
1.1       kristaps 1923:                return;
                   1924:        p->flags |= TERMP_NOSPACE;
                   1925:        term_word(p, "\\(rC");
                   1926: }
                   1927:
                   1928:
                   1929: /* ARGSUSED */
                   1930: static int
                   1931: termp_bq_pre(DECL_ARGS)
                   1932: {
                   1933:
1.60      schwarze 1934:        if (MDOC_BODY != n->type)
1.1       kristaps 1935:                return(1);
                   1936:        term_word(p, "\\(lB");
                   1937:        p->flags |= TERMP_NOSPACE;
                   1938:        return(1);
                   1939: }
                   1940:
                   1941:
                   1942: /* ARGSUSED */
                   1943: static void
                   1944: termp_bq_post(DECL_ARGS)
                   1945: {
                   1946:
1.60      schwarze 1947:        if (MDOC_BODY != n->type)
1.1       kristaps 1948:                return;
                   1949:        p->flags |= TERMP_NOSPACE;
                   1950:        term_word(p, "\\(rB");
                   1951: }
                   1952:
                   1953:
                   1954: /* ARGSUSED */
                   1955: static int
                   1956: termp_pq_pre(DECL_ARGS)
                   1957: {
                   1958:
1.60      schwarze 1959:        if (MDOC_BODY != n->type)
1.1       kristaps 1960:                return(1);
                   1961:        term_word(p, "\\&(");
                   1962:        p->flags |= TERMP_NOSPACE;
                   1963:        return(1);
                   1964: }
                   1965:
                   1966:
                   1967: /* ARGSUSED */
                   1968: static void
                   1969: termp_pq_post(DECL_ARGS)
                   1970: {
                   1971:
1.60      schwarze 1972:        if (MDOC_BODY != n->type)
1.1       kristaps 1973:                return;
                   1974:        term_word(p, ")");
                   1975: }
                   1976:
                   1977:
                   1978: /* ARGSUSED */
                   1979: static int
                   1980: termp_fo_pre(DECL_ARGS)
                   1981: {
1.60      schwarze 1982:        const struct mdoc_node *nn;
1.1       kristaps 1983:
1.60      schwarze 1984:        if (MDOC_BODY == n->type) {
1.31      schwarze 1985:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1986:                term_word(p, "(");
                   1987:                p->flags |= TERMP_NOSPACE;
                   1988:                return(1);
1.60      schwarze 1989:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1990:                return(1);
                   1991:
1.65      schwarze 1992:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 1993:        for (nn = n->child; nn; nn = nn->next) {
                   1994:                assert(MDOC_TEXT == nn->type);
                   1995:                term_word(p, nn->string);
1.1       kristaps 1996:        }
1.65      schwarze 1997:        term_fontpop(p);
1.1       kristaps 1998:
                   1999:        return(0);
                   2000: }
                   2001:
                   2002:
                   2003: /* ARGSUSED */
                   2004: static void
                   2005: termp_fo_post(DECL_ARGS)
                   2006: {
                   2007:
1.60      schwarze 2008:        if (MDOC_BODY != n->type)
1.1       kristaps 2009:                return;
                   2010:        p->flags |= TERMP_NOSPACE;
                   2011:        term_word(p, ")");
                   2012:        p->flags |= TERMP_NOSPACE;
                   2013:        term_word(p, ";");
                   2014:        term_newln(p);
                   2015: }
                   2016:
                   2017:
                   2018: /* ARGSUSED */
                   2019: static int
                   2020: termp_bf_pre(DECL_ARGS)
                   2021: {
1.60      schwarze 2022:        const struct mdoc_node  *nn;
1.1       kristaps 2023:
1.60      schwarze 2024:        if (MDOC_HEAD == n->type)
1.1       kristaps 2025:                return(0);
1.60      schwarze 2026:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2027:                return(1);
                   2028:
1.60      schwarze 2029:        if (NULL == (nn = n->head->child)) {
                   2030:                if (arg_hasattr(MDOC_Emphasis, n))
1.65      schwarze 2031:                        term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 2032:                else if (arg_hasattr(MDOC_Symbolic, n))
1.65      schwarze 2033:                        term_fontpush(p, TERMFONT_BOLD);
                   2034:                else
                   2035:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2036:
                   2037:                return(1);
                   2038:        }
                   2039:
1.60      schwarze 2040:        assert(MDOC_TEXT == nn->type);
                   2041:        if (0 == strcmp("Em", nn->string))
1.65      schwarze 2042:                term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 2043:        else if (0 == strcmp("Sy", nn->string))
1.65      schwarze 2044:                term_fontpush(p, TERMFONT_BOLD);
                   2045:        else
                   2046:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2047:
                   2048:        return(1);
                   2049: }
                   2050:
                   2051:
                   2052: /* ARGSUSED */
                   2053: static int
                   2054: termp_sm_pre(DECL_ARGS)
                   2055: {
                   2056:
1.60      schwarze 2057:        assert(n->child && MDOC_TEXT == n->child->type);
1.68      schwarze 2058:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2059:                p->flags &= ~TERMP_NONOSPACE;
1.68      schwarze 2060:        else
1.1       kristaps 2061:                p->flags |= TERMP_NONOSPACE;
                   2062:
                   2063:        return(0);
                   2064: }
                   2065:
                   2066:
                   2067: /* ARGSUSED */
                   2068: static int
                   2069: termp_ap_pre(DECL_ARGS)
                   2070: {
                   2071:
                   2072:        p->flags |= TERMP_NOSPACE;
                   2073:        term_word(p, "\\(aq");
                   2074:        p->flags |= TERMP_NOSPACE;
                   2075:        return(1);
                   2076: }
                   2077:
                   2078:
                   2079: /* ARGSUSED */
                   2080: static void
                   2081: termp____post(DECL_ARGS)
                   2082: {
                   2083:
1.62      schwarze 2084:        /* TODO: %U. */
                   2085:
1.1       kristaps 2086:        p->flags |= TERMP_NOSPACE;
1.60      schwarze 2087:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2088: }
                   2089:
                   2090:
                   2091: /* ARGSUSED */
                   2092: static int
1.65      schwarze 2093: termp_li_pre(DECL_ARGS)
                   2094: {
                   2095:
                   2096:        term_fontpush(p, TERMFONT_NONE);
                   2097:        return(1);
                   2098: }
                   2099:
                   2100:
                   2101: /* ARGSUSED */
                   2102: static int
1.1       kristaps 2103: termp_lk_pre(DECL_ARGS)
                   2104: {
1.60      schwarze 2105:        const struct mdoc_node *nn;
1.1       kristaps 2106:
1.65      schwarze 2107:        term_fontpush(p, TERMFONT_UNDER);
1.62      schwarze 2108:        nn = n->child;
                   2109:
                   2110:        if (NULL == nn->next)
1.6       schwarze 2111:                return(1);
1.1       kristaps 2112:
1.60      schwarze 2113:        term_word(p, nn->string);
1.65      schwarze 2114:        term_fontpop(p);
1.62      schwarze 2115:
1.1       kristaps 2116:        p->flags |= TERMP_NOSPACE;
                   2117:        term_word(p, ":");
                   2118:
1.65      schwarze 2119:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 2120:        for (nn = nn->next; nn; nn = nn->next)
                   2121:                term_word(p, nn->string);
1.65      schwarze 2122:        term_fontpop(p);
1.6       schwarze 2123:
1.1       kristaps 2124:        return(0);
                   2125: }
                   2126:
                   2127:
                   2128: /* ARGSUSED */
                   2129: static int
1.54      schwarze 2130: termp_under_pre(DECL_ARGS)
1.1       kristaps 2131: {
                   2132:
1.65      schwarze 2133:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 2134:        return(1);
                   2135: }