[BACK]Return to mdoc_term.c CVS log [TXT][DIR] Up to [cvsweb.bsd.lv] / mandoc

Annotation of mandoc/mdoc_term.c, Revision 1.101

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

CVSweb