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Annotation of mandoc/mdoc_term.c, Revision 1.116

1.116   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.115 2010/04/06 11:28:17 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    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
1.6       kristaps    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:  *
1.6       kristaps    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:  */
1.107     kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
                     25: #include <stdio.h>
                     26: #include <stdlib.h>
                     27: #include <string.h>
                     28:
1.92      kristaps   29: #include "out.h"
1.1       kristaps   30: #include "term.h"
                     31: #include "mdoc.h"
1.89      kristaps   32: #include "chars.h"
                     33: #include "main.h"
1.1       kristaps   34:
1.66      kristaps   35: #define        INDENT            5
                     36: #define        HALFINDENT        3
                     37:
1.1       kristaps   38: struct termpair {
                     39:        struct termpair  *ppair;
1.31      kristaps   40:        int               count;
1.1       kristaps   41: };
                     42:
1.31      kristaps   43: #define        DECL_ARGS struct termp *p, \
                     44:                  struct termpair *pair, \
1.86      kristaps   45:                  const struct mdoc_meta *m, \
                     46:                  const struct mdoc_node *n
1.1       kristaps   47:
                     48: struct termact {
                     49:        int     (*pre)(DECL_ARGS);
                     50:        void    (*post)(DECL_ARGS);
                     51: };
                     52:
1.96      kristaps   53: static size_t    a2width(const struct mdoc_argv *, int);
                     54: static size_t    a2height(const struct mdoc_node *);
                     55: static size_t    a2offs(const struct mdoc_argv *);
                     56:
                     57: static int       arg_hasattr(int, const struct mdoc_node *);
                     58: static int       arg_getattrs(const int *, int *, size_t,
                     59:                        const struct mdoc_node *);
                     60: static int       arg_getattr(int, const struct mdoc_node *);
                     61: static int       arg_listtype(const struct mdoc_node *);
                     62: static void      print_bvspace(struct termp *,
                     63:                        const struct mdoc_node *,
                     64:                        const struct mdoc_node *);
1.102     kristaps   65: static void      print_mdoc_node(DECL_ARGS);
                     66: static void      print_mdoc_head(DECL_ARGS);
                     67: static void      print_mdoc_nodelist(DECL_ARGS);
1.96      kristaps   68: static void      print_foot(DECL_ARGS);
                     69:
1.31      kristaps   70: static void      termp____post(DECL_ARGS);
1.61      kristaps   71: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   72: static void      termp_aq_post(DECL_ARGS);
                     73: static void      termp_bd_post(DECL_ARGS);
                     74: static void      termp_bl_post(DECL_ARGS);
                     75: static void      termp_bq_post(DECL_ARGS);
                     76: static void      termp_brq_post(DECL_ARGS);
                     77: static void      termp_bx_post(DECL_ARGS);
                     78: static void      termp_d1_post(DECL_ARGS);
                     79: static void      termp_dq_post(DECL_ARGS);
                     80: static void      termp_fd_post(DECL_ARGS);
                     81: static void      termp_fn_post(DECL_ARGS);
                     82: static void      termp_fo_post(DECL_ARGS);
                     83: static void      termp_ft_post(DECL_ARGS);
                     84: static void      termp_in_post(DECL_ARGS);
                     85: static void      termp_it_post(DECL_ARGS);
                     86: static void      termp_lb_post(DECL_ARGS);
                     87: static void      termp_op_post(DECL_ARGS);
                     88: static void      termp_pf_post(DECL_ARGS);
                     89: static void      termp_pq_post(DECL_ARGS);
                     90: static void      termp_qq_post(DECL_ARGS);
                     91: static void      termp_sh_post(DECL_ARGS);
                     92: static void      termp_sq_post(DECL_ARGS);
                     93: static void      termp_ss_post(DECL_ARGS);
                     94: static void      termp_vt_post(DECL_ARGS);
                     95:
1.84      kristaps   96: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   97: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   98: static int       termp_ap_pre(DECL_ARGS);
                     99: static int       termp_aq_pre(DECL_ARGS);
                    100: static int       termp_bd_pre(DECL_ARGS);
                    101: static int       termp_bf_pre(DECL_ARGS);
1.115     kristaps  102: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps  103: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  104: static int       termp_bq_pre(DECL_ARGS);
                    105: static int       termp_brq_pre(DECL_ARGS);
                    106: static int       termp_bt_pre(DECL_ARGS);
                    107: static int       termp_cd_pre(DECL_ARGS);
                    108: static int       termp_d1_pre(DECL_ARGS);
                    109: static int       termp_dq_pre(DECL_ARGS);
                    110: static int       termp_ex_pre(DECL_ARGS);
                    111: static int       termp_fa_pre(DECL_ARGS);
                    112: static int       termp_fl_pre(DECL_ARGS);
                    113: static int       termp_fn_pre(DECL_ARGS);
                    114: static int       termp_fo_pre(DECL_ARGS);
                    115: static int       termp_ft_pre(DECL_ARGS);
                    116: static int       termp_in_pre(DECL_ARGS);
                    117: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  118: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_lk_pre(DECL_ARGS);
                    120: static int       termp_nd_pre(DECL_ARGS);
                    121: static int       termp_nm_pre(DECL_ARGS);
                    122: static int       termp_ns_pre(DECL_ARGS);
                    123: static int       termp_op_pre(DECL_ARGS);
                    124: static int       termp_pf_pre(DECL_ARGS);
                    125: static int       termp_pq_pre(DECL_ARGS);
                    126: static int       termp_qq_pre(DECL_ARGS);
                    127: static int       termp_rs_pre(DECL_ARGS);
                    128: static int       termp_rv_pre(DECL_ARGS);
                    129: static int       termp_sh_pre(DECL_ARGS);
                    130: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  131: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  132: static int       termp_sq_pre(DECL_ARGS);
                    133: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  134: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  135: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  136: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  137: static int       termp_xr_pre(DECL_ARGS);
                    138: static int       termp_xx_pre(DECL_ARGS);
                    139:
1.70      kristaps  140: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  141:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  142:        { NULL, NULL }, /* Dd */
                    143:        { NULL, NULL }, /* Dt */
                    144:        { NULL, NULL }, /* Os */
                    145:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    146:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  147:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  148:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    149:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    150:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    151:        { NULL, NULL }, /* Ed */
1.115     kristaps  152:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  153:        { NULL, NULL }, /* El */
                    154:        { termp_it_pre, termp_it_post }, /* It */
                    155:        { NULL, NULL }, /* Ad */
1.61      kristaps  156:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  157:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  158:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  159:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  160:        { NULL, NULL }, /* Dv */
                    161:        { NULL, NULL }, /* Er */
                    162:        { NULL, NULL }, /* Ev */
                    163:        { termp_ex_pre, NULL }, /* Ex */
                    164:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  165:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  166:        { termp_fl_pre, NULL }, /* Fl */
                    167:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    168:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  169:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  170:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  171:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  172:        { termp_nd_pre, NULL }, /* Nd */
                    173:        { termp_nm_pre, NULL }, /* Nm */
                    174:        { termp_op_pre, termp_op_post }, /* Op */
                    175:        { NULL, NULL }, /* Ot */
1.69      kristaps  176:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  177:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  178:        { NULL, NULL }, /* St */
1.69      kristaps  179:        { termp_under_pre, NULL }, /* Va */
1.110     kristaps  180:        { termp_vt_pre, termp_vt_post }, /* Vt */
1.1       kristaps  181:        { termp_xr_pre, NULL }, /* Xr */
                    182:        { NULL, termp____post }, /* %A */
1.84      kristaps  183:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  184:        { NULL, termp____post }, /* %D */
1.84      kristaps  185:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  186:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  187:        { NULL, termp____post }, /* %N */
                    188:        { NULL, termp____post }, /* %O */
                    189:        { NULL, termp____post }, /* %P */
                    190:        { NULL, termp____post }, /* %R */
1.84      kristaps  191:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  192:        { NULL, termp____post }, /* %V */
                    193:        { NULL, NULL }, /* Ac */
                    194:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    195:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  196:        { NULL, NULL }, /* At */
1.1       kristaps  197:        { NULL, NULL }, /* Bc */
                    198:        { termp_bf_pre, NULL }, /* Bf */
                    199:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    200:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  201:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  202:        { NULL, termp_bx_post }, /* Bx */
                    203:        { NULL, NULL }, /* Db */
                    204:        { NULL, NULL }, /* Dc */
                    205:        { termp_dq_pre, termp_dq_post }, /* Do */
                    206:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112     kristaps  207:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  208:        { NULL, NULL }, /* Ef */
1.69      kristaps  209:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  210:        { NULL, NULL }, /* Eo */
1.26      kristaps  211:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  212:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  213:        { NULL, NULL }, /* No */
                    214:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  215:        { termp_xx_pre, NULL }, /* Nx */
                    216:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  217:        { NULL, NULL }, /* Pc */
                    218:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    219:        { termp_pq_pre, termp_pq_post }, /* Po */
                    220:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    221:        { NULL, NULL }, /* Qc */
                    222:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    224:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    225:        { NULL, NULL }, /* Re */
                    226:        { termp_rs_pre, NULL }, /* Rs */
                    227:        { NULL, NULL }, /* Sc */
                    228:        { termp_sq_pre, termp_sq_post }, /* So */
                    229:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    230:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  231:        { termp_under_pre, NULL }, /* Sx */
                    232:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  233:        { NULL, NULL }, /* Tn */
1.26      kristaps  234:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  235:        { NULL, NULL }, /* Xc */
                    236:        { NULL, NULL }, /* Xo */
                    237:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    238:        { NULL, NULL }, /* Fc */
                    239:        { termp_op_pre, termp_op_post }, /* Oo */
                    240:        { NULL, NULL }, /* Oc */
                    241:        { NULL, NULL }, /* Bk */
                    242:        { NULL, NULL }, /* Ek */
                    243:        { termp_bt_pre, NULL }, /* Bt */
                    244:        { NULL, NULL }, /* Hf */
                    245:        { NULL, NULL }, /* Fr */
                    246:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  247:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  248:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  249:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  250:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  251:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    252:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    253:        { NULL, NULL }, /* Brc */
1.83      kristaps  254:        { NULL, termp____post }, /* %C */
1.81      kristaps  255:        { NULL, NULL }, /* Es */ /* TODO */
                    256:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  257:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  258:        { NULL, termp____post }, /* %Q */
1.76      kristaps  259:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  260:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  261:        { termp_under_pre, termp____post }, /* %U */
1.1       kristaps  262: };
                    263:
                    264:
1.70      kristaps  265: void
1.89      kristaps  266: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  267: {
1.70      kristaps  268:        const struct mdoc_node  *n;
                    269:        const struct mdoc_meta  *m;
1.89      kristaps  270:        struct termp            *p;
                    271:
                    272:        p = (struct termp *)arg;
1.111     kristaps  273:
                    274:        p->overstep = 0;
                    275:        p->maxrmargin = 78;
1.89      kristaps  276:
                    277:        if (NULL == p->symtab)
                    278:                switch (p->enc) {
                    279:                case (TERMENC_ASCII):
                    280:                        p->symtab = chars_init(CHARS_ASCII);
                    281:                        break;
                    282:                default:
                    283:                        abort();
                    284:                        /* NOTREACHED */
                    285:                }
1.70      kristaps  286:
                    287:        n = mdoc_node(mdoc);
                    288:        m = mdoc_meta(mdoc);
                    289:
1.102     kristaps  290:        print_mdoc_head(p, NULL, m, n);
1.70      kristaps  291:        if (n->child)
1.102     kristaps  292:                print_mdoc_nodelist(p, NULL, m, n->child);
1.70      kristaps  293:        print_foot(p, NULL, m, n);
1.1       kristaps  294: }
                    295:
                    296:
1.3       kristaps  297: static void
1.102     kristaps  298: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  299: {
                    300:
1.102     kristaps  301:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  302:        if (n->next)
1.102     kristaps  303:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  304: }
                    305:
                    306:
1.70      kristaps  307: /* ARGSUSED */
1.3       kristaps  308: static void
1.102     kristaps  309: print_mdoc_node(DECL_ARGS)
1.1       kristaps  310: {
1.102     kristaps  311:        int              chld;
                    312:        const void      *font;
1.1       kristaps  313:        struct termpair  npair;
1.30      kristaps  314:        size_t           offset, rmargin;
1.1       kristaps  315:
1.70      kristaps  316:        chld = 1;
1.29      kristaps  317:        offset = p->offset;
1.30      kristaps  318:        rmargin = p->rmargin;
1.102     kristaps  319:        font = term_fontq(p);
1.29      kristaps  320:
1.97      kristaps  321:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  322:        npair.ppair = pair;
1.46      kristaps  323:
1.86      kristaps  324:        if (MDOC_TEXT != n->type) {
                    325:                if (termacts[n->tok].pre)
                    326:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  327:        } else
1.86      kristaps  328:                term_word(p, n->string);
1.102     kristaps  329:
1.86      kristaps  330:        if (chld && n->child)
1.102     kristaps  331:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  332:
1.102     kristaps  333:        term_fontpopq(p, font);
1.46      kristaps  334:
1.86      kristaps  335:        if (MDOC_TEXT != n->type)
                    336:                if (termacts[n->tok].post)
                    337:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.29      kristaps  338:
                    339:        p->offset = offset;
1.30      kristaps  340:        p->rmargin = rmargin;
1.1       kristaps  341: }
                    342:
                    343:
1.70      kristaps  344: /* ARGSUSED */
1.3       kristaps  345: static void
1.70      kristaps  346: print_foot(DECL_ARGS)
1.1       kristaps  347: {
1.98      kristaps  348:        char            buf[DATESIZ], os[BUFSIZ];
1.1       kristaps  349:
1.102     kristaps  350:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  351:
1.9       kristaps  352:        /*
                    353:         * Output the footer in new-groff style, that is, three columns
                    354:         * with the middle being the manual date and flanking columns
                    355:         * being the operating system:
                    356:         *
                    357:         * SYSTEM                  DATE                    SYSTEM
                    358:         */
                    359:
1.94      kristaps  360:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  361:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  362:
                    363:        term_vspace(p);
                    364:
1.9       kristaps  365:        p->offset = 0;
                    366:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  367:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    368:
                    369:        term_word(p, os);
                    370:        term_flushln(p);
                    371:
1.9       kristaps  372:        p->offset = p->rmargin;
                    373:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  374:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  375:
                    376:        term_word(p, buf);
                    377:        term_flushln(p);
                    378:
1.1       kristaps  379:        p->offset = p->rmargin;
                    380:        p->rmargin = p->maxrmargin;
                    381:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  382:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  383:
1.9       kristaps  384:        term_word(p, os);
1.1       kristaps  385:        term_flushln(p);
                    386:
1.9       kristaps  387:        p->offset = 0;
                    388:        p->rmargin = p->maxrmargin;
                    389:        p->flags = 0;
1.1       kristaps  390: }
                    391:
                    392:
1.70      kristaps  393: /* ARGSUSED */
1.3       kristaps  394: static void
1.102     kristaps  395: print_mdoc_head(DECL_ARGS)
1.1       kristaps  396: {
1.98      kristaps  397:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  398:
                    399:        p->rmargin = p->maxrmargin;
                    400:        p->offset = 0;
                    401:
                    402:        /*
                    403:         * The header is strange.  It has three components, which are
                    404:         * really two with the first duplicated.  It goes like this:
                    405:         *
                    406:         * IDENTIFIER              TITLE                   IDENTIFIER
                    407:         *
                    408:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    409:         * (if given, or "unknown" if not) followed by the manual page
                    410:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    411:         * string depending on the manual volume.  If not specified, it
                    412:         * switches on the manual section.
                    413:         */
                    414:
1.86      kristaps  415:        assert(m->vol);
1.98      kristaps  416:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  417:
1.86      kristaps  418:        if (m->arch) {
1.98      kristaps  419:                strlcat(buf, " (", BUFSIZ);
                    420:                strlcat(buf, m->arch, BUFSIZ);
                    421:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  422:        }
                    423:
1.98      kristaps  424:        snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
1.1       kristaps  425:
                    426:        p->offset = 0;
1.8       kristaps  427:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  428:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    429:
                    430:        term_word(p, title);
                    431:        term_flushln(p);
                    432:
                    433:        p->offset = p->rmargin;
                    434:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  435:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  436:
                    437:        term_word(p, buf);
                    438:        term_flushln(p);
                    439:
                    440:        p->offset = p->rmargin;
                    441:        p->rmargin = p->maxrmargin;
                    442:        p->flags &= ~TERMP_NOBREAK;
                    443:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    444:
                    445:        term_word(p, title);
                    446:        term_flushln(p);
                    447:
1.9       kristaps  448:        p->offset = 0;
1.1       kristaps  449:        p->rmargin = p->maxrmargin;
                    450:        p->flags &= ~TERMP_NOSPACE;
                    451: }
                    452:
                    453:
                    454: static size_t
1.96      kristaps  455: a2height(const struct mdoc_node *n)
1.1       kristaps  456: {
1.92      kristaps  457:        struct roffsu    su;
1.91      kristaps  458:
                    459:        assert(MDOC_TEXT == n->type);
                    460:        assert(n->string);
1.92      kristaps  461:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    462:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  463:
1.92      kristaps  464:        return(term_vspan(&su));
1.91      kristaps  465: }
1.1       kristaps  466:
1.40      kristaps  467:
1.91      kristaps  468: static size_t
1.96      kristaps  469: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  470: {
1.92      kristaps  471:        struct roffsu    su;
1.1       kristaps  472:
1.91      kristaps  473:        assert(arg->value[pos]);
1.92      kristaps  474:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  475:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  476:
1.108     kristaps  477:        return(term_hspan(&su));
1.1       kristaps  478: }
                    479:
                    480:
                    481: static int
                    482: arg_listtype(const struct mdoc_node *n)
                    483: {
                    484:        int              i, len;
                    485:
                    486:        assert(MDOC_BLOCK == n->type);
                    487:
                    488:        len = (int)(n->args ? n->args->argc : 0);
                    489:
                    490:        for (i = 0; i < len; i++)
                    491:                switch (n->args->argv[i].arg) {
                    492:                case (MDOC_Bullet):
                    493:                        /* FALLTHROUGH */
                    494:                case (MDOC_Dash):
                    495:                        /* FALLTHROUGH */
                    496:                case (MDOC_Enum):
                    497:                        /* FALLTHROUGH */
                    498:                case (MDOC_Hyphen):
                    499:                        /* FALLTHROUGH */
                    500:                case (MDOC_Tag):
                    501:                        /* FALLTHROUGH */
                    502:                case (MDOC_Inset):
                    503:                        /* FALLTHROUGH */
                    504:                case (MDOC_Diag):
                    505:                        /* FALLTHROUGH */
                    506:                case (MDOC_Item):
                    507:                        /* FALLTHROUGH */
                    508:                case (MDOC_Column):
                    509:                        /* FALLTHROUGH */
1.38      kristaps  510:                case (MDOC_Hang):
                    511:                        /* FALLTHROUGH */
1.1       kristaps  512:                case (MDOC_Ohang):
                    513:                        return(n->args->argv[i].arg);
                    514:                default:
                    515:                        break;
                    516:                }
                    517:
1.38      kristaps  518:        return(-1);
1.1       kristaps  519: }
                    520:
                    521:
                    522: static size_t
1.96      kristaps  523: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  524: {
1.92      kristaps  525:        struct roffsu    su;
1.1       kristaps  526:
1.91      kristaps  527:        if ('\0' == arg->value[0][0])
                    528:                return(0);
                    529:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  530:                return(0);
1.91      kristaps  531:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  532:                return(INDENT + 1);
1.91      kristaps  533:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  534:                return((INDENT + 1) * 2);
1.92      kristaps  535:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    536:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  537:
1.92      kristaps  538:        return(term_hspan(&su));
1.1       kristaps  539: }
                    540:
                    541:
1.108     kristaps  542: /*
                    543:  * Return 1 if an argument has a particular argument value or 0 if it
                    544:  * does not.  See arg_getattr().
                    545:  */
1.1       kristaps  546: static int
                    547: arg_hasattr(int arg, const struct mdoc_node *n)
                    548: {
                    549:
                    550:        return(-1 != arg_getattr(arg, n));
                    551: }
                    552:
                    553:
1.108     kristaps  554: /*
                    555:  * Get the index of an argument in a node's argument list or -1 if it
                    556:  * does not exist.  See arg_getattrs().
                    557:  */
1.1       kristaps  558: static int
                    559: arg_getattr(int v, const struct mdoc_node *n)
                    560: {
                    561:        int              val;
                    562:
                    563:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    564: }
                    565:
                    566:
1.108     kristaps  567: /*
                    568:  * Walk through the argument list for a node and fill an array "vals"
                    569:  * with the positions of the argument structures listed in "keys".
                    570:  * Return the number of elements that were written into "vals", which
                    571:  * can be zero.
                    572:  */
1.1       kristaps  573: static int
                    574: arg_getattrs(const int *keys, int *vals,
                    575:                size_t sz, const struct mdoc_node *n)
                    576: {
                    577:        int              i, j, k;
                    578:
                    579:        if (NULL == n->args)
                    580:                return(0);
                    581:
                    582:        for (k = i = 0; i < (int)n->args->argc; i++)
                    583:                for (j = 0; j < (int)sz; j++)
                    584:                        if (n->args->argv[i].arg == keys[j]) {
                    585:                                vals[j] = i;
                    586:                                k++;
                    587:                        }
                    588:        return(k);
                    589: }
                    590:
                    591:
1.108     kristaps  592: /*
                    593:  * Determine how much space to print out before block elements of `It'
                    594:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    595:  * too.
                    596:  */
1.54      kristaps  597: static void
1.91      kristaps  598: print_bvspace(struct termp *p,
1.1       kristaps  599:                const struct mdoc_node *bl,
1.86      kristaps  600:                const struct mdoc_node *n)
1.1       kristaps  601: {
1.86      kristaps  602:        const struct mdoc_node  *nn;
1.1       kristaps  603:
                    604:        term_newln(p);
1.85      kristaps  605:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  606:                return;
                    607:
1.85      kristaps  608:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  609:
1.86      kristaps  610:        for (nn = n; nn; nn = nn->parent) {
                    611:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  612:                        continue;
1.86      kristaps  613:                if (MDOC_Ss == nn->tok)
1.54      kristaps  614:                        return;
1.86      kristaps  615:                if (MDOC_Sh == nn->tok)
1.54      kristaps  616:                        return;
1.86      kristaps  617:                if (NULL == nn->prev)
1.1       kristaps  618:                        continue;
                    619:                break;
                    620:        }
                    621:
1.85      kristaps  622:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  623:
1.59      kristaps  624:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.86      kristaps  625:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  626:                        return;
                    627:
1.85      kristaps  628:        /* A `-diag' without body does not vspace. */
                    629:
1.59      kristaps  630:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.86      kristaps  631:                if (n->prev && MDOC_It == n->prev->tok) {
                    632:                        assert(n->prev->body);
                    633:                        if (NULL == n->prev->body->child)
1.55      kristaps  634:                                return;
                    635:                }
                    636:
1.54      kristaps  637:        term_vspace(p);
1.1       kristaps  638: }
                    639:
                    640:
                    641: /* ARGSUSED */
                    642: static int
                    643: termp_dq_pre(DECL_ARGS)
                    644: {
                    645:
1.86      kristaps  646:        if (MDOC_BODY != n->type)
1.1       kristaps  647:                return(1);
                    648:
                    649:        term_word(p, "\\(lq");
                    650:        p->flags |= TERMP_NOSPACE;
                    651:        return(1);
                    652: }
                    653:
                    654:
                    655: /* ARGSUSED */
                    656: static void
                    657: termp_dq_post(DECL_ARGS)
                    658: {
                    659:
1.86      kristaps  660:        if (MDOC_BODY != n->type)
1.1       kristaps  661:                return;
                    662:
                    663:        p->flags |= TERMP_NOSPACE;
                    664:        term_word(p, "\\(rq");
                    665: }
                    666:
                    667:
                    668: /* ARGSUSED */
                    669: static int
                    670: termp_it_pre(DECL_ARGS)
                    671: {
1.86      kristaps  672:        const struct mdoc_node *bl, *nn;
1.1       kristaps  673:        char                    buf[7];
1.39      kristaps  674:        int                     i, type, keys[3], vals[3];
1.108     kristaps  675:        size_t                  width, offset, ncols, dcol;
1.1       kristaps  676:
1.86      kristaps  677:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  678:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  679:                return(1);
                    680:        }
1.1       kristaps  681:
1.86      kristaps  682:        bl = n->parent->parent->parent;
1.1       kristaps  683:
1.108     kristaps  684:        /* Get list width, offset, and list type from argument list. */
1.1       kristaps  685:
                    686:        keys[0] = MDOC_Width;
                    687:        keys[1] = MDOC_Offset;
                    688:        keys[2] = MDOC_Column;
                    689:
                    690:        vals[0] = vals[1] = vals[2] = -1;
                    691:
1.108     kristaps  692:        arg_getattrs(keys, vals, 3, bl);
1.1       kristaps  693:
                    694:        type = arg_listtype(bl);
1.38      kristaps  695:        assert(-1 != type);
1.1       kristaps  696:
1.108     kristaps  697:        /*
                    698:         * First calculate width and offset.  This is pretty easy unless
                    699:         * we're a -column list, in which case all prior columns must
                    700:         * be accounted for.
                    701:         */
                    702:
                    703:        width = offset = 0;
                    704:
1.105     kristaps  705:        if (vals[1] >= 0)
                    706:                offset = a2offs(&bl->args->argv[vals[1]]);
                    707:
1.1       kristaps  708:        switch (type) {
                    709:        case (MDOC_Column):
1.86      kristaps  710:                if (MDOC_BODY == n->type)
1.1       kristaps  711:                        break;
1.105     kristaps  712:                /*
1.108     kristaps  713:                 * Imitate groff's column handling:
                    714:                 * - For each earlier column, add its width.
                    715:                 * - For less than 5 columns, add four more blanks per
                    716:                 *   column.
                    717:                 * - For exactly 5 columns, add three more blank per
                    718:                 *   column.
                    719:                 * - For more than 5 columns, add only one column.
1.105     kristaps  720:                 */
                    721:                ncols = bl->args->argv[vals[2]].sz;
1.108     kristaps  722:                /* LINTED */
                    723:                dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
                    724:
                    725:                for (i = 0, nn = n->prev;
                    726:                                nn && i < (int)ncols;
                    727:                                nn = nn->prev, i++)
                    728:                        offset += dcol + a2width
                    729:                                (&bl->args->argv[vals[2]], i);
                    730:
1.105     kristaps  731:
                    732:                /*
1.108     kristaps  733:                 * When exceeding the declared number of columns, leave
                    734:                 * the remaining widths at 0.  This will later be
                    735:                 * adjusted to the default width of 10, or, for the last
                    736:                 * column, stretched to the right margin.
1.58      kristaps  737:                 */
1.108     kristaps  738:                if (i >= (int)ncols)
                    739:                        break;
1.58      kristaps  740:
1.105     kristaps  741:                /*
1.108     kristaps  742:                 * Use the declared column widths, extended as explained
                    743:                 * in the preceding paragraph.
1.105     kristaps  744:                 */
1.108     kristaps  745:                width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.1       kristaps  746:                break;
                    747:        default:
1.108     kristaps  748:                if (vals[0] < 0)
                    749:                        break;
                    750:
                    751:                /*
                    752:                 * Note: buffer the width by 2, which is groff's magic
                    753:                 * number for buffering single arguments.  See the above
                    754:                 * handling for column for how this changes.
                    755:                 */
                    756:                width = a2width(&bl->args->argv[vals[0]], 0) + 2;
1.1       kristaps  757:                break;
                    758:        }
                    759:
                    760:        /*
                    761:         * List-type can override the width in the case of fixed-head
                    762:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  763:         * offset.
1.1       kristaps  764:         */
                    765:
                    766:        switch (type) {
                    767:        case (MDOC_Bullet):
                    768:                /* FALLTHROUGH */
                    769:        case (MDOC_Dash):
                    770:                /* FALLTHROUGH */
                    771:        case (MDOC_Hyphen):
                    772:                if (width < 4)
                    773:                        width = 4;
                    774:                break;
1.17      kristaps  775:        case (MDOC_Enum):
                    776:                if (width < 5)
                    777:                        width = 5;
                    778:                break;
1.38      kristaps  779:        case (MDOC_Hang):
1.39      kristaps  780:                if (0 == width)
                    781:                        width = 8;
                    782:                break;
1.49      kristaps  783:        case (MDOC_Column):
                    784:                /* FALLTHROUGH */
1.1       kristaps  785:        case (MDOC_Tag):
                    786:                if (0 == width)
                    787:                        width = 10;
                    788:                break;
                    789:        default:
                    790:                break;
                    791:        }
                    792:
                    793:        /*
1.17      kristaps  794:         * Whitespace control.  Inset bodies need an initial space,
                    795:         * while diagonal bodies need two.
1.1       kristaps  796:         */
                    797:
1.51      kristaps  798:        p->flags |= TERMP_NOSPACE;
                    799:
1.1       kristaps  800:        switch (type) {
1.51      kristaps  801:        case (MDOC_Diag):
1.86      kristaps  802:                if (MDOC_BODY == n->type)
1.62      kristaps  803:                        term_word(p, "\\ \\ ");
1.51      kristaps  804:                break;
1.1       kristaps  805:        case (MDOC_Inset):
1.86      kristaps  806:                if (MDOC_BODY == n->type)
1.51      kristaps  807:                        term_word(p, "\\ ");
1.1       kristaps  808:                break;
                    809:        default:
                    810:                break;
                    811:        }
                    812:
1.51      kristaps  813:        p->flags |= TERMP_NOSPACE;
                    814:
1.1       kristaps  815:        switch (type) {
                    816:        case (MDOC_Diag):
1.86      kristaps  817:                if (MDOC_HEAD == n->type)
1.102     kristaps  818:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  819:                break;
                    820:        default:
                    821:                break;
                    822:        }
                    823:
                    824:        /*
1.109     kristaps  825:         * Pad and break control.  This is the tricky part.  These flags
                    826:         * are documented in term_flushln() in term.c.  Note that we're
                    827:         * going to unset all of these flags in termp_it_post() when we
                    828:         * exit.
1.1       kristaps  829:         */
                    830:
                    831:        switch (type) {
                    832:        case (MDOC_Bullet):
                    833:                /* FALLTHROUGH */
                    834:        case (MDOC_Dash):
                    835:                /* FALLTHROUGH */
                    836:        case (MDOC_Enum):
                    837:                /* FALLTHROUGH */
                    838:        case (MDOC_Hyphen):
1.86      kristaps  839:                if (MDOC_HEAD == n->type)
1.39      kristaps  840:                        p->flags |= TERMP_NOBREAK;
                    841:                else
                    842:                        p->flags |= TERMP_NOLPAD;
                    843:                break;
1.38      kristaps  844:        case (MDOC_Hang):
1.86      kristaps  845:                if (MDOC_HEAD == n->type)
1.39      kristaps  846:                        p->flags |= TERMP_NOBREAK;
                    847:                else
                    848:                        p->flags |= TERMP_NOLPAD;
                    849:
1.86      kristaps  850:                if (MDOC_HEAD != n->type)
1.59      kristaps  851:                        break;
                    852:
                    853:                /*
                    854:                 * This is ugly.  If `-hang' is specified and the body
                    855:                 * is a `Bl' or `Bd', then we want basically to nullify
                    856:                 * the "overstep" effect in term_flushln() and treat
                    857:                 * this as a `-ohang' list instead.
                    858:                 */
1.86      kristaps  859:                if (n->next->child &&
                    860:                                (MDOC_Bl == n->next->child->tok ||
                    861:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  862:                        p->flags &= ~TERMP_NOBREAK;
                    863:                        p->flags &= ~TERMP_NOLPAD;
                    864:                } else
1.39      kristaps  865:                        p->flags |= TERMP_HANG;
                    866:                break;
1.1       kristaps  867:        case (MDOC_Tag):
1.86      kristaps  868:                if (MDOC_HEAD == n->type)
1.51      kristaps  869:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  870:                else
                    871:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  872:
1.86      kristaps  873:                if (MDOC_HEAD != n->type)
1.39      kristaps  874:                        break;
1.86      kristaps  875:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  876:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  877:                break;
                    878:        case (MDOC_Column):
1.86      kristaps  879:                if (MDOC_HEAD == n->type) {
                    880:                        assert(n->next);
                    881:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  882:                                p->flags &= ~TERMP_NOBREAK;
                    883:                        else
                    884:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  885:                        if (n->prev)
1.1       kristaps  886:                                p->flags |= TERMP_NOLPAD;
                    887:                }
                    888:                break;
                    889:        case (MDOC_Diag):
1.86      kristaps  890:                if (MDOC_HEAD == n->type)
1.1       kristaps  891:                        p->flags |= TERMP_NOBREAK;
                    892:                break;
                    893:        default:
                    894:                break;
                    895:        }
                    896:
                    897:        /*
                    898:         * Margin control.  Set-head-width lists have their right
                    899:         * margins shortened.  The body for these lists has the offset
                    900:         * necessarily lengthened.  Everybody gets the offset.
                    901:         */
                    902:
                    903:        p->offset += offset;
                    904:
                    905:        switch (type) {
1.59      kristaps  906:        case (MDOC_Hang):
                    907:                /*
                    908:                 * Same stipulation as above, regarding `-hang'.  We
                    909:                 * don't want to recalculate rmargin and offsets when
                    910:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    911:                 */
1.86      kristaps  912:                if (MDOC_HEAD == n->type && n->next->child &&
                    913:                                (MDOC_Bl == n->next->child->tok ||
                    914:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  915:                        break;
                    916:                /* FALLTHROUGH */
1.1       kristaps  917:        case (MDOC_Bullet):
                    918:                /* FALLTHROUGH */
                    919:        case (MDOC_Dash):
                    920:                /* FALLTHROUGH */
                    921:        case (MDOC_Enum):
                    922:                /* FALLTHROUGH */
                    923:        case (MDOC_Hyphen):
                    924:                /* FALLTHROUGH */
                    925:        case (MDOC_Tag):
1.49      kristaps  926:                assert(width);
1.86      kristaps  927:                if (MDOC_HEAD == n->type)
1.1       kristaps  928:                        p->rmargin = p->offset + width;
                    929:                else
                    930:                        p->offset += width;
                    931:                break;
                    932:        case (MDOC_Column):
1.49      kristaps  933:                assert(width);
1.1       kristaps  934:                p->rmargin = p->offset + width;
1.50      kristaps  935:                /*
                    936:                 * XXX - this behaviour is not documented: the
                    937:                 * right-most column is filled to the right margin.
                    938:                 */
1.86      kristaps  939:                if (MDOC_HEAD == n->type &&
1.105     kristaps  940:                                MDOC_BODY == n->next->type &&
                    941:                                p->rmargin < p->maxrmargin)
1.50      kristaps  942:                        p->rmargin = p->maxrmargin;
1.1       kristaps  943:                break;
                    944:        default:
                    945:                break;
                    946:        }
                    947:
                    948:        /*
                    949:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  950:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  951:         */
                    952:
1.86      kristaps  953:        if (MDOC_HEAD == n->type)
1.1       kristaps  954:                switch (type) {
                    955:                case (MDOC_Bullet):
1.102     kristaps  956:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  957:                        term_word(p, "\\[bu]");
1.102     kristaps  958:                        term_fontpop(p);
1.1       kristaps  959:                        break;
                    960:                case (MDOC_Dash):
                    961:                        /* FALLTHROUGH */
                    962:                case (MDOC_Hyphen):
1.102     kristaps  963:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  964:                        term_word(p, "\\(hy");
1.102     kristaps  965:                        term_fontpop(p);
1.1       kristaps  966:                        break;
                    967:                case (MDOC_Enum):
                    968:                        (pair->ppair->ppair->count)++;
1.109     kristaps  969:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  970:                                        pair->ppair->ppair->count);
                    971:                        term_word(p, buf);
                    972:                        break;
                    973:                default:
                    974:                        break;
                    975:                }
                    976:
                    977:        /*
                    978:         * If we're not going to process our children, indicate so here.
                    979:         */
                    980:
                    981:        switch (type) {
                    982:        case (MDOC_Bullet):
                    983:                /* FALLTHROUGH */
                    984:        case (MDOC_Item):
                    985:                /* FALLTHROUGH */
                    986:        case (MDOC_Dash):
                    987:                /* FALLTHROUGH */
                    988:        case (MDOC_Hyphen):
                    989:                /* FALLTHROUGH */
                    990:        case (MDOC_Enum):
1.86      kristaps  991:                if (MDOC_HEAD == n->type)
1.1       kristaps  992:                        return(0);
                    993:                break;
                    994:        case (MDOC_Column):
1.86      kristaps  995:                if (MDOC_BODY == n->type)
1.1       kristaps  996:                        return(0);
                    997:                break;
                    998:        default:
                    999:                break;
                   1000:        }
                   1001:
                   1002:        return(1);
                   1003: }
                   1004:
                   1005:
                   1006: /* ARGSUSED */
                   1007: static void
                   1008: termp_it_post(DECL_ARGS)
                   1009: {
                   1010:        int                type;
                   1011:
1.109     kristaps 1012:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1013:                return;
                   1014:
1.86      kristaps 1015:        type = arg_listtype(n->parent->parent->parent);
1.38      kristaps 1016:        assert(-1 != type);
1.1       kristaps 1017:
                   1018:        switch (type) {
                   1019:        case (MDOC_Item):
                   1020:                /* FALLTHROUGH */
1.53      kristaps 1021:        case (MDOC_Diag):
                   1022:                /* FALLTHROUGH */
1.1       kristaps 1023:        case (MDOC_Inset):
1.86      kristaps 1024:                if (MDOC_BODY == n->type)
1.1       kristaps 1025:                        term_flushln(p);
                   1026:                break;
                   1027:        case (MDOC_Column):
1.86      kristaps 1028:                if (MDOC_HEAD == n->type)
1.1       kristaps 1029:                        term_flushln(p);
                   1030:                break;
                   1031:        default:
                   1032:                term_flushln(p);
                   1033:                break;
                   1034:        }
                   1035:
1.109     kristaps 1036:        /*
                   1037:         * Now that our output is flushed, we can reset our tags.  Since
                   1038:         * only `It' sets these flags, we're free to assume that nobody
                   1039:         * has munged them in the meanwhile.
                   1040:         */
                   1041:
                   1042:        p->flags &= ~TERMP_DANGLE;
                   1043:        p->flags &= ~TERMP_NOBREAK;
                   1044:        p->flags &= ~TERMP_TWOSPACE;
                   1045:        p->flags &= ~TERMP_NOLPAD;
                   1046:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1047: }
                   1048:
                   1049:
                   1050: /* ARGSUSED */
                   1051: static int
                   1052: termp_nm_pre(DECL_ARGS)
                   1053: {
                   1054:
1.86      kristaps 1055:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1056:                term_newln(p);
1.102     kristaps 1057:
                   1058:        term_fontpush(p, TERMFONT_BOLD);
                   1059:
1.86      kristaps 1060:        if (NULL == n->child)
                   1061:                term_word(p, m->name);
1.1       kristaps 1062:        return(1);
                   1063: }
                   1064:
                   1065:
                   1066: /* ARGSUSED */
                   1067: static int
                   1068: termp_fl_pre(DECL_ARGS)
                   1069: {
                   1070:
1.102     kristaps 1071:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1072:        term_word(p, "\\-");
1.103     kristaps 1073:
                   1074:        if (n->child)
1.114     kristaps 1075:                p->flags |= TERMP_NOSPACE;
                   1076:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1077:                p->flags |= TERMP_NOSPACE;
                   1078:
1.1       kristaps 1079:        return(1);
                   1080: }
                   1081:
                   1082:
                   1083: /* ARGSUSED */
                   1084: static int
1.61      kristaps 1085: termp_an_pre(DECL_ARGS)
                   1086: {
                   1087:
1.86      kristaps 1088:        if (NULL == n->child)
1.61      kristaps 1089:                return(1);
                   1090:
                   1091:        /*
1.85      kristaps 1092:         * If not in the AUTHORS section, `An -split' will cause
                   1093:         * newlines to occur before the author name.  If in the AUTHORS
                   1094:         * section, by default, the first `An' invocation is nosplit,
                   1095:         * then all subsequent ones, regardless of whether interspersed
                   1096:         * with other macros/text, are split.  -split, in this case,
                   1097:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1098:         */
                   1099:
1.86      kristaps 1100:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1101:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1102:                        if (TERMP_SPLIT & p->flags)
                   1103:                                term_newln(p);
                   1104:                        return(1);
                   1105:                }
                   1106:                if (TERMP_NOSPLIT & p->flags)
                   1107:                        return(1);
                   1108:                term_newln(p);
                   1109:                return(1);
                   1110:        }
                   1111:
                   1112:        if (TERMP_SPLIT & p->flags)
                   1113:                term_newln(p);
                   1114:
                   1115:        return(1);
                   1116: }
                   1117:
                   1118:
                   1119: /* ARGSUSED */
                   1120: static void
                   1121: termp_an_post(DECL_ARGS)
                   1122: {
                   1123:
1.86      kristaps 1124:        if (n->child) {
                   1125:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1126:                        p->flags |= TERMP_ANPREC;
                   1127:                return;
                   1128:        }
                   1129:
1.86      kristaps 1130:        if (arg_getattr(MDOC_Split, n) > -1) {
1.61      kristaps 1131:                p->flags &= ~TERMP_NOSPLIT;
                   1132:                p->flags |= TERMP_SPLIT;
                   1133:        } else {
                   1134:                p->flags &= ~TERMP_SPLIT;
                   1135:                p->flags |= TERMP_NOSPLIT;
                   1136:        }
                   1137:
                   1138: }
                   1139:
                   1140:
                   1141: /* ARGSUSED */
                   1142: static int
1.1       kristaps 1143: termp_ns_pre(DECL_ARGS)
                   1144: {
                   1145:
                   1146:        p->flags |= TERMP_NOSPACE;
                   1147:        return(1);
                   1148: }
                   1149:
                   1150:
                   1151: /* ARGSUSED */
                   1152: static int
                   1153: termp_rs_pre(DECL_ARGS)
                   1154: {
                   1155:
1.86      kristaps 1156:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1157:                return(1);
1.86      kristaps 1158:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1159:                term_vspace(p);
                   1160:        return(1);
                   1161: }
                   1162:
                   1163:
                   1164: /* ARGSUSED */
                   1165: static int
                   1166: termp_rv_pre(DECL_ARGS)
                   1167: {
1.68      kristaps 1168:        const struct mdoc_node  *nn;
1.1       kristaps 1169:
                   1170:        term_newln(p);
                   1171:        term_word(p, "The");
                   1172:
1.86      kristaps 1173:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1174:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1175:                term_word(p, nn->string);
1.102     kristaps 1176:                term_fontpop(p);
1.68      kristaps 1177:                p->flags |= TERMP_NOSPACE;
                   1178:                if (nn->next && NULL == nn->next->next)
                   1179:                        term_word(p, "(), and");
                   1180:                else if (nn->next)
                   1181:                        term_word(p, "(),");
                   1182:                else
                   1183:                        term_word(p, "()");
                   1184:        }
                   1185:
1.86      kristaps 1186:        if (n->child->next)
1.68      kristaps 1187:                term_word(p, "functions return");
                   1188:        else
                   1189:                term_word(p, "function returns");
1.1       kristaps 1190:
1.68      kristaps 1191:                term_word(p, "the value 0 if successful; otherwise the value "
                   1192:                        "-1 is returned and the global variable");
1.1       kristaps 1193:
1.102     kristaps 1194:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1195:        term_word(p, "errno");
1.102     kristaps 1196:        term_fontpop(p);
1.1       kristaps 1197:
                   1198:                term_word(p, "is set to indicate the error.");
                   1199:
1.68      kristaps 1200:        return(0);
1.1       kristaps 1201: }
                   1202:
                   1203:
                   1204: /* ARGSUSED */
                   1205: static int
                   1206: termp_ex_pre(DECL_ARGS)
                   1207: {
1.68      kristaps 1208:        const struct mdoc_node  *nn;
1.1       kristaps 1209:
1.68      kristaps 1210:        term_word(p, "The");
1.1       kristaps 1211:
1.86      kristaps 1212:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1213:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1214:                term_word(p, nn->string);
1.102     kristaps 1215:                term_fontpop(p);
1.68      kristaps 1216:                p->flags |= TERMP_NOSPACE;
                   1217:                if (nn->next && NULL == nn->next->next)
                   1218:                        term_word(p, ", and");
                   1219:                else if (nn->next)
                   1220:                        term_word(p, ",");
                   1221:                else
                   1222:                        p->flags &= ~TERMP_NOSPACE;
                   1223:        }
                   1224:
1.86      kristaps 1225:        if (n->child->next)
1.68      kristaps 1226:                term_word(p, "utilities exit");
                   1227:        else
                   1228:                term_word(p, "utility exits");
                   1229:
                   1230:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1231:
1.68      kristaps 1232:        return(0);
1.1       kristaps 1233: }
                   1234:
                   1235:
                   1236: /* ARGSUSED */
                   1237: static int
                   1238: termp_nd_pre(DECL_ARGS)
                   1239: {
1.25      kristaps 1240:
1.86      kristaps 1241:        if (MDOC_BODY != n->type)
1.25      kristaps 1242:                return(1);
1.30      kristaps 1243:
1.27      kristaps 1244: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1245:        term_word(p, "\\(en");
1.23      kristaps 1246: #else
                   1247:        term_word(p, "\\(em");
                   1248: #endif
1.1       kristaps 1249:        return(1);
1.115     kristaps 1250: }
                   1251:
                   1252:
                   1253: /* ARGSUSED */
                   1254: static int
                   1255: termp_bl_pre(DECL_ARGS)
                   1256: {
                   1257:
                   1258:        return(MDOC_HEAD != n->type);
1.1       kristaps 1259: }
                   1260:
                   1261:
                   1262: /* ARGSUSED */
                   1263: static void
                   1264: termp_bl_post(DECL_ARGS)
                   1265: {
                   1266:
1.86      kristaps 1267:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1268:                term_newln(p);
                   1269: }
                   1270:
                   1271:
                   1272: /* ARGSUSED */
                   1273: static void
                   1274: termp_op_post(DECL_ARGS)
                   1275: {
                   1276:
1.86      kristaps 1277:        if (MDOC_BODY != n->type)
1.1       kristaps 1278:                return;
                   1279:        p->flags |= TERMP_NOSPACE;
                   1280:        term_word(p, "\\(rB");
                   1281: }
                   1282:
                   1283:
                   1284: /* ARGSUSED */
                   1285: static int
                   1286: termp_xr_pre(DECL_ARGS)
                   1287: {
1.86      kristaps 1288:        const struct mdoc_node *nn;
1.1       kristaps 1289:
1.113     kristaps 1290:        if (NULL == n->child)
                   1291:                return(0);
                   1292:
                   1293:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1294:        nn = n->child;
1.11      kristaps 1295:
1.86      kristaps 1296:        term_word(p, nn->string);
                   1297:        if (NULL == (nn = nn->next))
1.1       kristaps 1298:                return(0);
                   1299:        p->flags |= TERMP_NOSPACE;
                   1300:        term_word(p, "(");
                   1301:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1302:        term_word(p, nn->string);
1.1       kristaps 1303:        p->flags |= TERMP_NOSPACE;
                   1304:        term_word(p, ")");
1.86      kristaps 1305:
1.1       kristaps 1306:        return(0);
                   1307: }
                   1308:
                   1309:
1.110     kristaps 1310: static int
                   1311: termp_vt_pre(DECL_ARGS)
                   1312: {
                   1313:
                   1314:        if (MDOC_ELEM == n->type)
                   1315:                return(termp_under_pre(p, pair, m, n));
                   1316:        else if (MDOC_HEAD == n->type)
                   1317:                return(0);
                   1318:        else if (MDOC_BLOCK == n->type)
                   1319:                return(1);
                   1320:
                   1321:        return(termp_under_pre(p, pair, m, n));
                   1322: }
                   1323:
                   1324:
1.1       kristaps 1325: /* ARGSUSED */
                   1326: static void
                   1327: termp_vt_post(DECL_ARGS)
                   1328: {
                   1329:
1.110     kristaps 1330:        if (MDOC_BLOCK != n->type)
1.32      kristaps 1331:                return;
1.86      kristaps 1332:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1333:                term_newln(p);
1.86      kristaps 1334:        else if (n->next)
1.1       kristaps 1335:                term_vspace(p);
                   1336: }
                   1337:
                   1338:
                   1339: /* ARGSUSED */
                   1340: static int
1.69      kristaps 1341: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1342: {
                   1343:
1.102     kristaps 1344:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1345:        return(1);
                   1346: }
                   1347:
                   1348:
                   1349: /* ARGSUSED */
                   1350: static void
                   1351: termp_fd_post(DECL_ARGS)
                   1352: {
                   1353:
1.86      kristaps 1354:        if (n->sec != SEC_SYNOPSIS)
1.1       kristaps 1355:                return;
1.29      kristaps 1356:
1.1       kristaps 1357:        term_newln(p);
1.86      kristaps 1358:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1359:                term_vspace(p);
                   1360: }
                   1361:
                   1362:
                   1363: /* ARGSUSED */
                   1364: static int
                   1365: termp_sh_pre(DECL_ARGS)
                   1366: {
1.85      kristaps 1367:
                   1368:        /* No vspace between consecutive `Sh' calls. */
                   1369:
1.86      kristaps 1370:        switch (n->type) {
1.65      kristaps 1371:        case (MDOC_BLOCK):
1.86      kristaps 1372:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1373:                        if (NULL == n->prev->body->child)
1.65      kristaps 1374:                                break;
                   1375:                term_vspace(p);
                   1376:                break;
1.1       kristaps 1377:        case (MDOC_HEAD):
1.102     kristaps 1378:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1379:                break;
                   1380:        case (MDOC_BODY):
                   1381:                p->offset = INDENT;
                   1382:                break;
                   1383:        default:
                   1384:                break;
                   1385:        }
                   1386:        return(1);
                   1387: }
                   1388:
                   1389:
                   1390: /* ARGSUSED */
                   1391: static void
                   1392: termp_sh_post(DECL_ARGS)
                   1393: {
                   1394:
1.86      kristaps 1395:        switch (n->type) {
1.1       kristaps 1396:        case (MDOC_HEAD):
                   1397:                term_newln(p);
                   1398:                break;
                   1399:        case (MDOC_BODY):
                   1400:                term_newln(p);
                   1401:                p->offset = 0;
                   1402:                break;
                   1403:        default:
                   1404:                break;
                   1405:        }
                   1406: }
                   1407:
                   1408:
                   1409: /* ARGSUSED */
                   1410: static int
                   1411: termp_op_pre(DECL_ARGS)
                   1412: {
                   1413:
1.86      kristaps 1414:        switch (n->type) {
1.1       kristaps 1415:        case (MDOC_BODY):
                   1416:                term_word(p, "\\(lB");
                   1417:                p->flags |= TERMP_NOSPACE;
                   1418:                break;
                   1419:        default:
                   1420:                break;
                   1421:        }
                   1422:        return(1);
                   1423: }
                   1424:
                   1425:
                   1426: /* ARGSUSED */
                   1427: static int
                   1428: termp_bt_pre(DECL_ARGS)
                   1429: {
                   1430:
                   1431:        term_word(p, "is currently in beta test.");
1.81      kristaps 1432:        return(0);
1.1       kristaps 1433: }
                   1434:
                   1435:
                   1436: /* ARGSUSED */
                   1437: static void
                   1438: termp_lb_post(DECL_ARGS)
                   1439: {
                   1440:
1.86      kristaps 1441:        if (SEC_LIBRARY == n->sec)
1.81      kristaps 1442:                term_newln(p);
1.1       kristaps 1443: }
                   1444:
                   1445:
                   1446: /* ARGSUSED */
                   1447: static int
                   1448: termp_ud_pre(DECL_ARGS)
                   1449: {
                   1450:
                   1451:        term_word(p, "currently under development.");
1.86      kristaps 1452:        return(0);
1.1       kristaps 1453: }
                   1454:
                   1455:
                   1456: /* ARGSUSED */
                   1457: static int
                   1458: termp_d1_pre(DECL_ARGS)
                   1459: {
                   1460:
1.86      kristaps 1461:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1462:                return(1);
                   1463:        term_newln(p);
1.29      kristaps 1464:        p->offset += (INDENT + 1);
1.1       kristaps 1465:        return(1);
                   1466: }
                   1467:
                   1468:
                   1469: /* ARGSUSED */
                   1470: static void
                   1471: termp_d1_post(DECL_ARGS)
                   1472: {
                   1473:
1.86      kristaps 1474:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1475:                return;
                   1476:        term_newln(p);
                   1477: }
                   1478:
                   1479:
                   1480: /* ARGSUSED */
                   1481: static int
                   1482: termp_aq_pre(DECL_ARGS)
                   1483: {
                   1484:
1.86      kristaps 1485:        if (MDOC_BODY != n->type)
1.1       kristaps 1486:                return(1);
                   1487:        term_word(p, "\\(la");
                   1488:        p->flags |= TERMP_NOSPACE;
                   1489:        return(1);
                   1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static void
                   1495: termp_aq_post(DECL_ARGS)
                   1496: {
                   1497:
1.86      kristaps 1498:        if (MDOC_BODY != n->type)
1.1       kristaps 1499:                return;
                   1500:        p->flags |= TERMP_NOSPACE;
                   1501:        term_word(p, "\\(ra");
                   1502: }
                   1503:
                   1504:
                   1505: /* ARGSUSED */
                   1506: static int
                   1507: termp_ft_pre(DECL_ARGS)
                   1508: {
                   1509:
1.86      kristaps 1510:        if (SEC_SYNOPSIS == n->sec)
                   1511:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1512:                        term_vspace(p);
1.102     kristaps 1513:
                   1514:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1515:        return(1);
                   1516: }
                   1517:
                   1518:
                   1519: /* ARGSUSED */
                   1520: static void
                   1521: termp_ft_post(DECL_ARGS)
                   1522: {
                   1523:
1.86      kristaps 1524:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1525:                term_newln(p);
                   1526: }
                   1527:
                   1528:
                   1529: /* ARGSUSED */
                   1530: static int
                   1531: termp_fn_pre(DECL_ARGS)
                   1532: {
1.86      kristaps 1533:        const struct mdoc_node  *nn;
1.1       kristaps 1534:
1.102     kristaps 1535:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1536:        term_word(p, n->child->string);
1.102     kristaps 1537:        term_fontpop(p);
1.1       kristaps 1538:
                   1539:        p->flags |= TERMP_NOSPACE;
                   1540:        term_word(p, "(");
                   1541:
1.86      kristaps 1542:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1543:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1544:                term_word(p, nn->string);
1.102     kristaps 1545:                term_fontpop(p);
                   1546:
1.86      kristaps 1547:                if (nn->next)
1.1       kristaps 1548:                        term_word(p, ",");
                   1549:        }
                   1550:
                   1551:        term_word(p, ")");
                   1552:
1.86      kristaps 1553:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1554:                term_word(p, ";");
                   1555:
                   1556:        return(0);
                   1557: }
                   1558:
                   1559:
                   1560: /* ARGSUSED */
                   1561: static void
                   1562: termp_fn_post(DECL_ARGS)
                   1563: {
                   1564:
1.86      kristaps 1565:        if (n->sec == SEC_SYNOPSIS && n->next)
1.1       kristaps 1566:                term_vspace(p);
                   1567: }
                   1568:
                   1569:
                   1570: /* ARGSUSED */
                   1571: static int
                   1572: termp_fa_pre(DECL_ARGS)
                   1573: {
1.86      kristaps 1574:        const struct mdoc_node  *nn;
1.1       kristaps 1575:
1.86      kristaps 1576:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1577:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1578:                return(1);
                   1579:        }
                   1580:
1.86      kristaps 1581:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1582:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1583:                term_word(p, nn->string);
1.102     kristaps 1584:                term_fontpop(p);
                   1585:
1.86      kristaps 1586:                if (nn->next)
1.1       kristaps 1587:                        term_word(p, ",");
                   1588:        }
                   1589:
1.86      kristaps 1590:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1591:                term_word(p, ",");
                   1592:
                   1593:        return(0);
                   1594: }
                   1595:
                   1596:
                   1597: /* ARGSUSED */
                   1598: static int
                   1599: termp_bd_pre(DECL_ARGS)
                   1600: {
1.85      kristaps 1601:        int                      i, type;
                   1602:        const struct mdoc_node  *nn;
1.1       kristaps 1603:
1.86      kristaps 1604:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1605:                print_bvspace(p, n, n);
1.54      kristaps 1606:                return(1);
1.116   ! kristaps 1607:        } else if (MDOC_HEAD == n->type)
        !          1608:                return(0);
1.1       kristaps 1609:
1.86      kristaps 1610:        nn = n->parent;
1.11      kristaps 1611:
1.85      kristaps 1612:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
                   1613:                switch (nn->args->argv[i].arg) {
1.90      kristaps 1614:                case (MDOC_Centred):
                   1615:                        /* FALLTHROUGH */
1.1       kristaps 1616:                case (MDOC_Ragged):
                   1617:                        /* FALLTHROUGH */
                   1618:                case (MDOC_Filled):
                   1619:                        /* FALLTHROUGH */
                   1620:                case (MDOC_Unfilled):
                   1621:                        /* FALLTHROUGH */
                   1622:                case (MDOC_Literal):
1.85      kristaps 1623:                        type = nn->args->argv[i].arg;
                   1624:                        break;
                   1625:                case (MDOC_Offset):
1.96      kristaps 1626:                        p->offset += a2offs(&nn->args->argv[i]);
1.1       kristaps 1627:                        break;
                   1628:                default:
                   1629:                        break;
                   1630:                }
                   1631:        }
1.85      kristaps 1632:
                   1633:        /*
                   1634:         * If -ragged or -filled are specified, the block does nothing
                   1635:         * but change the indentation.  If -unfilled or -literal are
                   1636:         * specified, text is printed exactly as entered in the display:
                   1637:         * for macro lines, a newline is appended to the line.  Blank
                   1638:         * lines are allowed.
                   1639:         */
1.60      kristaps 1640:
                   1641:        assert(type > -1);
1.85      kristaps 1642:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1643:                return(1);
                   1644:
1.86      kristaps 1645:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1646:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1647:                print_mdoc_node(p, pair, m, nn);
1.85      kristaps 1648:                if (NULL == nn->next)
                   1649:                        continue;
                   1650:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1651:                        term_flushln(p);
1.87      kristaps 1652:                else if (NULL == nn->prev)
                   1653:                        term_flushln(p);
1.1       kristaps 1654:        }
                   1655:
                   1656:        return(0);
                   1657: }
                   1658:
                   1659:
                   1660: /* ARGSUSED */
                   1661: static void
                   1662: termp_bd_post(DECL_ARGS)
                   1663: {
                   1664:
1.86      kristaps 1665:        if (MDOC_BODY != n->type)
1.1       kristaps 1666:                return;
1.60      kristaps 1667:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1668:        term_flushln(p);
                   1669: }
                   1670:
                   1671:
                   1672: /* ARGSUSED */
                   1673: static int
                   1674: termp_qq_pre(DECL_ARGS)
                   1675: {
                   1676:
1.86      kristaps 1677:        if (MDOC_BODY != n->type)
1.1       kristaps 1678:                return(1);
                   1679:        term_word(p, "\"");
                   1680:        p->flags |= TERMP_NOSPACE;
                   1681:        return(1);
                   1682: }
                   1683:
                   1684:
                   1685: /* ARGSUSED */
                   1686: static void
                   1687: termp_qq_post(DECL_ARGS)
                   1688: {
                   1689:
1.86      kristaps 1690:        if (MDOC_BODY != n->type)
1.1       kristaps 1691:                return;
                   1692:        p->flags |= TERMP_NOSPACE;
                   1693:        term_word(p, "\"");
                   1694: }
                   1695:
                   1696:
                   1697: /* ARGSUSED */
                   1698: static void
                   1699: termp_bx_post(DECL_ARGS)
                   1700: {
                   1701:
1.86      kristaps 1702:        if (n->child)
1.1       kristaps 1703:                p->flags |= TERMP_NOSPACE;
                   1704:        term_word(p, "BSD");
                   1705: }
                   1706:
                   1707:
                   1708: /* ARGSUSED */
                   1709: static int
1.26      kristaps 1710: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1711: {
1.26      kristaps 1712:        const char      *pp;
1.1       kristaps 1713:
1.26      kristaps 1714:        pp = NULL;
1.86      kristaps 1715:        switch (n->tok) {
1.26      kristaps 1716:        case (MDOC_Bsx):
                   1717:                pp = "BSDI BSD/OS";
                   1718:                break;
                   1719:        case (MDOC_Dx):
1.100     kristaps 1720:                pp = "DragonFly";
1.26      kristaps 1721:                break;
                   1722:        case (MDOC_Fx):
                   1723:                pp = "FreeBSD";
                   1724:                break;
                   1725:        case (MDOC_Nx):
                   1726:                pp = "NetBSD";
                   1727:                break;
                   1728:        case (MDOC_Ox):
                   1729:                pp = "OpenBSD";
                   1730:                break;
                   1731:        case (MDOC_Ux):
                   1732:                pp = "UNIX";
                   1733:                break;
                   1734:        default:
                   1735:                break;
                   1736:        }
1.1       kristaps 1737:
1.26      kristaps 1738:        assert(pp);
                   1739:        term_word(p, pp);
1.1       kristaps 1740:        return(1);
                   1741: }
                   1742:
                   1743:
                   1744: /* ARGSUSED */
                   1745: static int
                   1746: termp_sq_pre(DECL_ARGS)
                   1747: {
                   1748:
1.86      kristaps 1749:        if (MDOC_BODY != n->type)
1.1       kristaps 1750:                return(1);
                   1751:        term_word(p, "\\(oq");
                   1752:        p->flags |= TERMP_NOSPACE;
                   1753:        return(1);
                   1754: }
                   1755:
                   1756:
                   1757: /* ARGSUSED */
                   1758: static void
                   1759: termp_sq_post(DECL_ARGS)
                   1760: {
                   1761:
1.86      kristaps 1762:        if (MDOC_BODY != n->type)
1.1       kristaps 1763:                return;
                   1764:        p->flags |= TERMP_NOSPACE;
                   1765:        term_word(p, "\\(aq");
                   1766: }
                   1767:
                   1768:
                   1769: /* ARGSUSED */
                   1770: static int
                   1771: termp_pf_pre(DECL_ARGS)
                   1772: {
                   1773:
                   1774:        p->flags |= TERMP_IGNDELIM;
                   1775:        return(1);
                   1776: }
                   1777:
                   1778:
                   1779: /* ARGSUSED */
                   1780: static void
                   1781: termp_pf_post(DECL_ARGS)
                   1782: {
                   1783:
                   1784:        p->flags &= ~TERMP_IGNDELIM;
                   1785:        p->flags |= TERMP_NOSPACE;
                   1786: }
                   1787:
                   1788:
                   1789: /* ARGSUSED */
                   1790: static int
                   1791: termp_ss_pre(DECL_ARGS)
                   1792: {
                   1793:
1.86      kristaps 1794:        switch (n->type) {
1.1       kristaps 1795:        case (MDOC_BLOCK):
                   1796:                term_newln(p);
1.86      kristaps 1797:                if (n->prev)
1.1       kristaps 1798:                        term_vspace(p);
                   1799:                break;
                   1800:        case (MDOC_HEAD):
1.102     kristaps 1801:                term_fontpush(p, TERMFONT_BOLD);
1.5       kristaps 1802:                p->offset = HALFINDENT;
1.1       kristaps 1803:                break;
                   1804:        default:
                   1805:                break;
                   1806:        }
                   1807:
                   1808:        return(1);
                   1809: }
                   1810:
                   1811:
                   1812: /* ARGSUSED */
                   1813: static void
                   1814: termp_ss_post(DECL_ARGS)
                   1815: {
                   1816:
1.86      kristaps 1817:        if (MDOC_HEAD == n->type)
1.1       kristaps 1818:                term_newln(p);
                   1819: }
                   1820:
                   1821:
                   1822: /* ARGSUSED */
                   1823: static int
                   1824: termp_cd_pre(DECL_ARGS)
                   1825: {
                   1826:
1.102     kristaps 1827:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1828:        term_newln(p);
                   1829:        return(1);
                   1830: }
                   1831:
                   1832:
                   1833: /* ARGSUSED */
                   1834: static int
                   1835: termp_in_pre(DECL_ARGS)
                   1836: {
                   1837:
1.102     kristaps 1838:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1839:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1840:                term_word(p, "#include");
                   1841:
1.1       kristaps 1842:        term_word(p, "<");
                   1843:        p->flags |= TERMP_NOSPACE;
                   1844:        return(1);
                   1845: }
                   1846:
                   1847:
                   1848: /* ARGSUSED */
                   1849: static void
                   1850: termp_in_post(DECL_ARGS)
                   1851: {
                   1852:
1.102     kristaps 1853:        term_fontpush(p, TERMFONT_BOLD);
1.79      kristaps 1854:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1855:        term_word(p, ">");
1.102     kristaps 1856:        term_fontpop(p);
1.1       kristaps 1857:
1.86      kristaps 1858:        if (SEC_SYNOPSIS != n->sec)
1.1       kristaps 1859:                return;
1.22      kristaps 1860:
                   1861:        term_newln(p);
                   1862:        /*
                   1863:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1864:         * the SYNOPSIS section, then it produces a single break after
                   1865:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1866:         * construction is rarely used, I think it's fine.
                   1867:         */
1.86      kristaps 1868:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1869:                term_vspace(p);
                   1870: }
                   1871:
                   1872:
                   1873: /* ARGSUSED */
                   1874: static int
1.45      kristaps 1875: termp_sp_pre(DECL_ARGS)
                   1876: {
1.91      kristaps 1877:        size_t           i, len;
1.45      kristaps 1878:
1.86      kristaps 1879:        switch (n->tok) {
1.76      kristaps 1880:        case (MDOC_sp):
1.96      kristaps 1881:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1882:                break;
                   1883:        case (MDOC_br):
                   1884:                len = 0;
                   1885:                break;
                   1886:        default:
                   1887:                len = 1;
                   1888:                break;
1.45      kristaps 1889:        }
                   1890:
                   1891:        if (0 == len)
                   1892:                term_newln(p);
                   1893:        for (i = 0; i < len; i++)
                   1894:                term_vspace(p);
                   1895:
                   1896:        return(0);
                   1897: }
                   1898:
                   1899:
                   1900: /* ARGSUSED */
                   1901: static int
1.1       kristaps 1902: termp_brq_pre(DECL_ARGS)
                   1903: {
                   1904:
1.86      kristaps 1905:        if (MDOC_BODY != n->type)
1.1       kristaps 1906:                return(1);
                   1907:        term_word(p, "\\(lC");
                   1908:        p->flags |= TERMP_NOSPACE;
                   1909:        return(1);
                   1910: }
                   1911:
                   1912:
                   1913: /* ARGSUSED */
                   1914: static void
                   1915: termp_brq_post(DECL_ARGS)
                   1916: {
                   1917:
1.86      kristaps 1918:        if (MDOC_BODY != n->type)
1.1       kristaps 1919:                return;
                   1920:        p->flags |= TERMP_NOSPACE;
                   1921:        term_word(p, "\\(rC");
                   1922: }
                   1923:
                   1924:
                   1925: /* ARGSUSED */
                   1926: static int
                   1927: termp_bq_pre(DECL_ARGS)
                   1928: {
                   1929:
1.86      kristaps 1930:        if (MDOC_BODY != n->type)
1.1       kristaps 1931:                return(1);
                   1932:        term_word(p, "\\(lB");
                   1933:        p->flags |= TERMP_NOSPACE;
                   1934:        return(1);
                   1935: }
                   1936:
                   1937:
                   1938: /* ARGSUSED */
                   1939: static void
                   1940: termp_bq_post(DECL_ARGS)
                   1941: {
                   1942:
1.86      kristaps 1943:        if (MDOC_BODY != n->type)
1.1       kristaps 1944:                return;
                   1945:        p->flags |= TERMP_NOSPACE;
                   1946:        term_word(p, "\\(rB");
                   1947: }
                   1948:
                   1949:
                   1950: /* ARGSUSED */
                   1951: static int
                   1952: termp_pq_pre(DECL_ARGS)
                   1953: {
                   1954:
1.86      kristaps 1955:        if (MDOC_BODY != n->type)
1.1       kristaps 1956:                return(1);
                   1957:        term_word(p, "\\&(");
                   1958:        p->flags |= TERMP_NOSPACE;
                   1959:        return(1);
                   1960: }
                   1961:
                   1962:
                   1963: /* ARGSUSED */
                   1964: static void
                   1965: termp_pq_post(DECL_ARGS)
                   1966: {
                   1967:
1.86      kristaps 1968:        if (MDOC_BODY != n->type)
1.1       kristaps 1969:                return;
                   1970:        term_word(p, ")");
                   1971: }
                   1972:
                   1973:
                   1974: /* ARGSUSED */
                   1975: static int
                   1976: termp_fo_pre(DECL_ARGS)
                   1977: {
1.86      kristaps 1978:        const struct mdoc_node *nn;
1.1       kristaps 1979:
1.86      kristaps 1980:        if (MDOC_BODY == n->type) {
1.33      kristaps 1981:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1982:                term_word(p, "(");
                   1983:                p->flags |= TERMP_NOSPACE;
                   1984:                return(1);
1.86      kristaps 1985:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1986:                return(1);
                   1987:
1.102     kristaps 1988:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1989:        for (nn = n->child; nn; nn = nn->next) {
                   1990:                assert(MDOC_TEXT == nn->type);
                   1991:                term_word(p, nn->string);
1.1       kristaps 1992:        }
1.102     kristaps 1993:        term_fontpop(p);
1.1       kristaps 1994:
                   1995:        return(0);
                   1996: }
                   1997:
                   1998:
                   1999: /* ARGSUSED */
                   2000: static void
                   2001: termp_fo_post(DECL_ARGS)
                   2002: {
                   2003:
1.86      kristaps 2004:        if (MDOC_BODY != n->type)
1.1       kristaps 2005:                return;
                   2006:        p->flags |= TERMP_NOSPACE;
                   2007:        term_word(p, ")");
                   2008:        p->flags |= TERMP_NOSPACE;
                   2009:        term_word(p, ";");
                   2010:        term_newln(p);
                   2011: }
                   2012:
                   2013:
                   2014: /* ARGSUSED */
                   2015: static int
                   2016: termp_bf_pre(DECL_ARGS)
                   2017: {
1.86      kristaps 2018:        const struct mdoc_node  *nn;
1.1       kristaps 2019:
1.86      kristaps 2020:        if (MDOC_HEAD == n->type)
1.1       kristaps 2021:                return(0);
1.86      kristaps 2022:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2023:                return(1);
                   2024:
1.86      kristaps 2025:        if (NULL == (nn = n->head->child)) {
                   2026:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 2027:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2028:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 2029:                        term_fontpush(p, TERMFONT_BOLD);
                   2030:                else
                   2031:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2032:
                   2033:                return(1);
                   2034:        }
                   2035:
1.86      kristaps 2036:        assert(MDOC_TEXT == nn->type);
                   2037:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 2038:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2039:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 2040:                term_fontpush(p, TERMFONT_BOLD);
                   2041:        else
                   2042:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2043:
                   2044:        return(1);
                   2045: }
                   2046:
                   2047:
                   2048: /* ARGSUSED */
                   2049: static int
                   2050: termp_sm_pre(DECL_ARGS)
                   2051: {
                   2052:
1.86      kristaps 2053:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2054:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2055:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2056:        else
1.1       kristaps 2057:                p->flags |= TERMP_NONOSPACE;
                   2058:
                   2059:        return(0);
                   2060: }
                   2061:
                   2062:
                   2063: /* ARGSUSED */
                   2064: static int
                   2065: termp_ap_pre(DECL_ARGS)
                   2066: {
                   2067:
                   2068:        p->flags |= TERMP_NOSPACE;
                   2069:        term_word(p, "\\(aq");
                   2070:        p->flags |= TERMP_NOSPACE;
                   2071:        return(1);
                   2072: }
                   2073:
                   2074:
                   2075: /* ARGSUSED */
                   2076: static void
                   2077: termp____post(DECL_ARGS)
                   2078: {
                   2079:
1.95      kristaps 2080:        /* TODO: %U. */
                   2081:
1.1       kristaps 2082:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2083:        switch (n->tok) {
1.84      kristaps 2084:        case (MDOC__T):
                   2085:                term_word(p, "\\(rq");
                   2086:                p->flags |= TERMP_NOSPACE;
                   2087:                break;
                   2088:        default:
                   2089:                break;
                   2090:        }
1.86      kristaps 2091:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2092: }
                   2093:
                   2094:
                   2095: /* ARGSUSED */
                   2096: static int
1.102     kristaps 2097: termp_li_pre(DECL_ARGS)
                   2098: {
                   2099:
                   2100:        term_fontpush(p, TERMFONT_NONE);
                   2101:        return(1);
                   2102: }
                   2103:
                   2104:
                   2105: /* ARGSUSED */
                   2106: static int
1.1       kristaps 2107: termp_lk_pre(DECL_ARGS)
                   2108: {
1.86      kristaps 2109:        const struct mdoc_node *nn;
1.1       kristaps 2110:
1.102     kristaps 2111:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2112:        nn = n->child;
                   2113:
                   2114:        if (NULL == nn->next)
1.12      kristaps 2115:                return(1);
                   2116:
1.86      kristaps 2117:        term_word(p, nn->string);
1.102     kristaps 2118:        term_fontpop(p);
1.96      kristaps 2119:
1.1       kristaps 2120:        p->flags |= TERMP_NOSPACE;
                   2121:        term_word(p, ":");
                   2122:
1.102     kristaps 2123:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2124:        for (nn = nn->next; nn; nn = nn->next)
                   2125:                term_word(p, nn->string);
1.102     kristaps 2126:        term_fontpop(p);
1.12      kristaps 2127:
1.1       kristaps 2128:        return(0);
                   2129: }
                   2130:
                   2131:
                   2132: /* ARGSUSED */
                   2133: static int
1.69      kristaps 2134: termp_under_pre(DECL_ARGS)
1.1       kristaps 2135: {
                   2136:
1.102     kristaps 2137:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 2138:        return(1);
                   2139: }
1.83      kristaps 2140:
1.84      kristaps 2141:
                   2142: /* ARGSUSED */
                   2143: static int
                   2144: termp__t_pre(DECL_ARGS)
                   2145: {
                   2146:
                   2147:        term_word(p, "\\(lq");
                   2148:        p->flags |= TERMP_NOSPACE;
                   2149:        return(1);
                   2150: }

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