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Annotation of mandoc/mdoc_term.c, Revision 1.100

1.100   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.99 2009/10/30 18:53:09 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:
1.9       kristaps  352:        /*
                    353:         * Output the footer in new-groff style, that is, three columns
                    354:         * with the middle being the manual date and flanking columns
                    355:         * being the operating system:
                    356:         *
                    357:         * SYSTEM                  DATE                    SYSTEM
                    358:         */
                    359:
1.94      kristaps  360:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  361:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  362:
                    363:        term_vspace(p);
                    364:
1.9       kristaps  365:        p->offset = 0;
                    366:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  367:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    368:
                    369:        term_word(p, os);
                    370:        term_flushln(p);
                    371:
1.9       kristaps  372:        p->offset = p->rmargin;
                    373:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  374:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  375:
                    376:        term_word(p, buf);
                    377:        term_flushln(p);
                    378:
1.1       kristaps  379:        p->offset = p->rmargin;
                    380:        p->rmargin = p->maxrmargin;
                    381:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  382:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  383:
1.9       kristaps  384:        term_word(p, os);
1.1       kristaps  385:        term_flushln(p);
                    386:
1.9       kristaps  387:        p->offset = 0;
                    388:        p->rmargin = p->maxrmargin;
                    389:        p->flags = 0;
1.1       kristaps  390: }
                    391:
                    392:
1.75      kristaps  393: /* FIXME: put in utility library. */
1.70      kristaps  394: /* ARGSUSED */
1.3       kristaps  395: static void
1.70      kristaps  396: print_head(DECL_ARGS)
1.1       kristaps  397: {
1.98      kristaps  398:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  399:
                    400:        p->rmargin = p->maxrmargin;
                    401:        p->offset = 0;
                    402:
                    403:        /*
                    404:         * The header is strange.  It has three components, which are
                    405:         * really two with the first duplicated.  It goes like this:
                    406:         *
                    407:         * IDENTIFIER              TITLE                   IDENTIFIER
                    408:         *
                    409:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    410:         * (if given, or "unknown" if not) followed by the manual page
                    411:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    412:         * string depending on the manual volume.  If not specified, it
                    413:         * switches on the manual section.
                    414:         */
                    415:
1.86      kristaps  416:        assert(m->vol);
1.98      kristaps  417:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  418:
1.86      kristaps  419:        if (m->arch) {
1.98      kristaps  420:                strlcat(buf, " (", BUFSIZ);
                    421:                strlcat(buf, m->arch, BUFSIZ);
                    422:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  423:        }
                    424:
1.98      kristaps  425:        snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
1.1       kristaps  426:
                    427:        p->offset = 0;
1.8       kristaps  428:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  429:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    430:
                    431:        term_word(p, title);
                    432:        term_flushln(p);
                    433:
                    434:        p->offset = p->rmargin;
                    435:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  436:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  437:
                    438:        term_word(p, buf);
                    439:        term_flushln(p);
                    440:
                    441:        p->offset = p->rmargin;
                    442:        p->rmargin = p->maxrmargin;
                    443:        p->flags &= ~TERMP_NOBREAK;
                    444:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    445:
                    446:        term_word(p, title);
                    447:        term_flushln(p);
                    448:
1.9       kristaps  449:        p->offset = 0;
1.1       kristaps  450:        p->rmargin = p->maxrmargin;
                    451:        p->flags &= ~TERMP_NOSPACE;
                    452: }
                    453:
                    454:
                    455: static size_t
1.96      kristaps  456: a2height(const struct mdoc_node *n)
1.1       kristaps  457: {
1.92      kristaps  458:        struct roffsu    su;
1.91      kristaps  459:
                    460:        assert(MDOC_TEXT == n->type);
                    461:        assert(n->string);
1.92      kristaps  462:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    463:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  464:
1.92      kristaps  465:        return(term_vspan(&su));
1.91      kristaps  466: }
1.1       kristaps  467:
1.40      kristaps  468:
1.91      kristaps  469: static size_t
1.96      kristaps  470: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  471: {
1.92      kristaps  472:        struct roffsu    su;
1.1       kristaps  473:
1.91      kristaps  474:        assert(arg->value[pos]);
1.92      kristaps  475:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  476:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  477:
1.93      kristaps  478:        /* XXX: pachemu? */
                    479:        return(term_hspan(&su) + 2);
1.1       kristaps  480: }
                    481:
                    482:
                    483: static int
                    484: arg_listtype(const struct mdoc_node *n)
                    485: {
                    486:        int              i, len;
                    487:
                    488:        assert(MDOC_BLOCK == n->type);
                    489:
                    490:        len = (int)(n->args ? n->args->argc : 0);
                    491:
                    492:        for (i = 0; i < len; i++)
                    493:                switch (n->args->argv[i].arg) {
                    494:                case (MDOC_Bullet):
                    495:                        /* FALLTHROUGH */
                    496:                case (MDOC_Dash):
                    497:                        /* FALLTHROUGH */
                    498:                case (MDOC_Enum):
                    499:                        /* FALLTHROUGH */
                    500:                case (MDOC_Hyphen):
                    501:                        /* FALLTHROUGH */
                    502:                case (MDOC_Tag):
                    503:                        /* FALLTHROUGH */
                    504:                case (MDOC_Inset):
                    505:                        /* FALLTHROUGH */
                    506:                case (MDOC_Diag):
                    507:                        /* FALLTHROUGH */
                    508:                case (MDOC_Item):
                    509:                        /* FALLTHROUGH */
                    510:                case (MDOC_Column):
                    511:                        /* FALLTHROUGH */
1.38      kristaps  512:                case (MDOC_Hang):
                    513:                        /* FALLTHROUGH */
1.1       kristaps  514:                case (MDOC_Ohang):
                    515:                        return(n->args->argv[i].arg);
                    516:                default:
                    517:                        break;
                    518:                }
                    519:
1.38      kristaps  520:        return(-1);
1.1       kristaps  521: }
                    522:
                    523:
                    524: static size_t
1.96      kristaps  525: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  526: {
1.92      kristaps  527:        struct roffsu    su;
1.1       kristaps  528:
1.91      kristaps  529:        if ('\0' == arg->value[0][0])
                    530:                return(0);
                    531:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  532:                return(0);
1.91      kristaps  533:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  534:                return(INDENT + 1);
1.91      kristaps  535:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  536:                return((INDENT + 1) * 2);
1.92      kristaps  537:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    538:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  539:
1.92      kristaps  540:        return(term_hspan(&su));
1.1       kristaps  541: }
                    542:
                    543:
                    544: static int
                    545: arg_hasattr(int arg, const struct mdoc_node *n)
                    546: {
                    547:
                    548:        return(-1 != arg_getattr(arg, n));
                    549: }
                    550:
                    551:
                    552: static int
                    553: arg_getattr(int v, const struct mdoc_node *n)
                    554: {
                    555:        int              val;
                    556:
                    557:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    558: }
                    559:
                    560:
                    561: static int
                    562: arg_getattrs(const int *keys, int *vals,
                    563:                size_t sz, const struct mdoc_node *n)
                    564: {
                    565:        int              i, j, k;
                    566:
                    567:        if (NULL == n->args)
                    568:                return(0);
                    569:
                    570:        for (k = i = 0; i < (int)n->args->argc; i++)
                    571:                for (j = 0; j < (int)sz; j++)
                    572:                        if (n->args->argv[i].arg == keys[j]) {
                    573:                                vals[j] = i;
                    574:                                k++;
                    575:                        }
                    576:        return(k);
                    577: }
                    578:
                    579:
1.54      kristaps  580: static void
1.91      kristaps  581: print_bvspace(struct termp *p,
1.1       kristaps  582:                const struct mdoc_node *bl,
1.86      kristaps  583:                const struct mdoc_node *n)
1.1       kristaps  584: {
1.86      kristaps  585:        const struct mdoc_node  *nn;
1.1       kristaps  586:
                    587:        term_newln(p);
1.85      kristaps  588:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  589:                return;
                    590:
1.85      kristaps  591:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  592:
1.86      kristaps  593:        for (nn = n; nn; nn = nn->parent) {
                    594:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  595:                        continue;
1.86      kristaps  596:                if (MDOC_Ss == nn->tok)
1.54      kristaps  597:                        return;
1.86      kristaps  598:                if (MDOC_Sh == nn->tok)
1.54      kristaps  599:                        return;
1.86      kristaps  600:                if (NULL == nn->prev)
1.1       kristaps  601:                        continue;
                    602:                break;
                    603:        }
                    604:
1.85      kristaps  605:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  606:
1.59      kristaps  607:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.86      kristaps  608:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  609:                        return;
                    610:
1.85      kristaps  611:        /* A `-diag' without body does not vspace. */
                    612:
1.59      kristaps  613:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.86      kristaps  614:                if (n->prev && MDOC_It == n->prev->tok) {
                    615:                        assert(n->prev->body);
                    616:                        if (NULL == n->prev->body->child)
1.55      kristaps  617:                                return;
                    618:                }
                    619:
1.54      kristaps  620:        term_vspace(p);
1.1       kristaps  621: }
                    622:
                    623:
                    624: /* ARGSUSED */
                    625: static int
                    626: termp_dq_pre(DECL_ARGS)
                    627: {
                    628:
1.86      kristaps  629:        if (MDOC_BODY != n->type)
1.1       kristaps  630:                return(1);
                    631:
                    632:        term_word(p, "\\(lq");
                    633:        p->flags |= TERMP_NOSPACE;
                    634:        return(1);
                    635: }
                    636:
                    637:
                    638: /* ARGSUSED */
                    639: static void
                    640: termp_dq_post(DECL_ARGS)
                    641: {
                    642:
1.86      kristaps  643:        if (MDOC_BODY != n->type)
1.1       kristaps  644:                return;
                    645:
                    646:        p->flags |= TERMP_NOSPACE;
                    647:        term_word(p, "\\(rq");
                    648: }
                    649:
                    650:
                    651: /* ARGSUSED */
                    652: static int
                    653: termp_it_pre(DECL_ARGS)
                    654: {
1.86      kristaps  655:        const struct mdoc_node *bl, *nn;
1.1       kristaps  656:        char                    buf[7];
1.39      kristaps  657:        int                     i, type, keys[3], vals[3];
1.1       kristaps  658:        size_t                  width, offset;
                    659:
1.86      kristaps  660:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  661:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  662:                return(1);
                    663:        }
1.1       kristaps  664:
1.86      kristaps  665:        bl = n->parent->parent->parent;
1.1       kristaps  666:
                    667:        /* Save parent attributes. */
                    668:
                    669:        pair->flag = p->flags;
                    670:
                    671:        /* Get list width and offset. */
                    672:
                    673:        keys[0] = MDOC_Width;
                    674:        keys[1] = MDOC_Offset;
                    675:        keys[2] = MDOC_Column;
                    676:
                    677:        vals[0] = vals[1] = vals[2] = -1;
                    678:
                    679:        width = offset = 0;
                    680:
                    681:        (void)arg_getattrs(keys, vals, 3, bl);
                    682:
                    683:        type = arg_listtype(bl);
1.38      kristaps  684:        assert(-1 != type);
1.1       kristaps  685:
                    686:        /* Calculate real width and offset. */
                    687:
                    688:        switch (type) {
                    689:        case (MDOC_Column):
1.86      kristaps  690:                if (MDOC_BODY == n->type)
1.1       kristaps  691:                        break;
1.58      kristaps  692:                /*
                    693:                 * Work around groff's column handling.  The offset is
                    694:                 * equal to the sum of all widths leading to the current
                    695:                 * column (plus the -offset value).  If this column
                    696:                 * exceeds the stated number of columns, the width is
                    697:                 * set as 0, else it's the stated column width (later
                    698:                 * the 0 will be adjusted to default 10 or, if in the
                    699:                 * last column case, set to stretch to the margin).
                    700:                 */
1.86      kristaps  701:                for (i = 0, nn = n->prev; nn &&
1.78      kristaps  702:                                i < (int)bl->args->argv[vals[2]].sz;
1.86      kristaps  703:                                nn = nn->prev, i++)
1.96      kristaps  704:                        offset += a2width
1.1       kristaps  705:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  706:
                    707:                /* Whether exceeds maximum column. */
1.78      kristaps  708:                if (i < (int)bl->args->argv[vals[2]].sz)
1.96      kristaps  709:                        width = a2width(&bl->args->argv[vals[2]], i);
1.58      kristaps  710:                else
                    711:                        width = 0;
                    712:
1.1       kristaps  713:                if (vals[1] >= 0)
1.96      kristaps  714:                        offset += a2offs(&bl->args->argv[vals[1]]);
1.1       kristaps  715:                break;
                    716:        default:
                    717:                if (vals[0] >= 0)
1.96      kristaps  718:                        width = a2width(&bl->args->argv[vals[0]], 0);
1.1       kristaps  719:                if (vals[1] >= 0)
1.96      kristaps  720:                        offset += a2offs(&bl->args->argv[vals[1]]);
1.1       kristaps  721:                break;
                    722:        }
                    723:
                    724:        /*
                    725:         * List-type can override the width in the case of fixed-head
                    726:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  727:         * offset.
1.1       kristaps  728:         */
                    729:
                    730:        switch (type) {
                    731:        case (MDOC_Bullet):
                    732:                /* FALLTHROUGH */
                    733:        case (MDOC_Dash):
                    734:                /* FALLTHROUGH */
                    735:        case (MDOC_Hyphen):
                    736:                if (width < 4)
                    737:                        width = 4;
                    738:                break;
1.17      kristaps  739:        case (MDOC_Enum):
                    740:                if (width < 5)
                    741:                        width = 5;
                    742:                break;
1.38      kristaps  743:        case (MDOC_Hang):
1.39      kristaps  744:                if (0 == width)
                    745:                        width = 8;
                    746:                break;
1.49      kristaps  747:        case (MDOC_Column):
                    748:                /* FALLTHROUGH */
1.1       kristaps  749:        case (MDOC_Tag):
                    750:                if (0 == width)
                    751:                        width = 10;
                    752:                break;
                    753:        default:
                    754:                break;
                    755:        }
                    756:
                    757:        /*
1.17      kristaps  758:         * Whitespace control.  Inset bodies need an initial space,
                    759:         * while diagonal bodies need two.
1.1       kristaps  760:         */
                    761:
1.51      kristaps  762:        p->flags |= TERMP_NOSPACE;
                    763:
1.1       kristaps  764:        switch (type) {
1.51      kristaps  765:        case (MDOC_Diag):
1.86      kristaps  766:                if (MDOC_BODY == n->type)
1.62      kristaps  767:                        term_word(p, "\\ \\ ");
1.51      kristaps  768:                break;
1.1       kristaps  769:        case (MDOC_Inset):
1.86      kristaps  770:                if (MDOC_BODY == n->type)
1.51      kristaps  771:                        term_word(p, "\\ ");
1.1       kristaps  772:                break;
                    773:        default:
                    774:                break;
                    775:        }
                    776:
1.51      kristaps  777:        p->flags |= TERMP_NOSPACE;
                    778:
1.1       kristaps  779:        switch (type) {
                    780:        case (MDOC_Diag):
1.86      kristaps  781:                if (MDOC_HEAD == n->type)
1.69      kristaps  782:                        p->bold++;
1.1       kristaps  783:                break;
                    784:        default:
                    785:                break;
                    786:        }
                    787:
                    788:        /*
                    789:         * Pad and break control.  This is the tricker part.  Lists with
                    790:         * set right-margins for the head get TERMP_NOBREAK because, if
                    791:         * they overrun the margin, they wrap to the new margin.
                    792:         * Correspondingly, the body for these types don't left-pad, as
                    793:         * the head will pad out to to the right.
                    794:         */
                    795:
                    796:        switch (type) {
                    797:        case (MDOC_Bullet):
                    798:                /* FALLTHROUGH */
                    799:        case (MDOC_Dash):
                    800:                /* FALLTHROUGH */
                    801:        case (MDOC_Enum):
                    802:                /* FALLTHROUGH */
                    803:        case (MDOC_Hyphen):
1.86      kristaps  804:                if (MDOC_HEAD == n->type)
1.39      kristaps  805:                        p->flags |= TERMP_NOBREAK;
                    806:                else
                    807:                        p->flags |= TERMP_NOLPAD;
                    808:                break;
1.38      kristaps  809:        case (MDOC_Hang):
1.86      kristaps  810:                if (MDOC_HEAD == n->type)
1.39      kristaps  811:                        p->flags |= TERMP_NOBREAK;
                    812:                else
                    813:                        p->flags |= TERMP_NOLPAD;
                    814:
1.86      kristaps  815:                if (MDOC_HEAD != n->type)
1.59      kristaps  816:                        break;
                    817:
                    818:                /*
                    819:                 * This is ugly.  If `-hang' is specified and the body
                    820:                 * is a `Bl' or `Bd', then we want basically to nullify
                    821:                 * the "overstep" effect in term_flushln() and treat
                    822:                 * this as a `-ohang' list instead.
                    823:                 */
1.86      kristaps  824:                if (n->next->child &&
                    825:                                (MDOC_Bl == n->next->child->tok ||
                    826:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  827:                        p->flags &= ~TERMP_NOBREAK;
                    828:                        p->flags &= ~TERMP_NOLPAD;
                    829:                } else
1.39      kristaps  830:                        p->flags |= TERMP_HANG;
                    831:                break;
1.1       kristaps  832:        case (MDOC_Tag):
1.86      kristaps  833:                if (MDOC_HEAD == n->type)
1.51      kristaps  834:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  835:                else
                    836:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  837:
1.86      kristaps  838:                if (MDOC_HEAD != n->type)
1.39      kristaps  839:                        break;
1.86      kristaps  840:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  841:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  842:                break;
                    843:        case (MDOC_Column):
1.86      kristaps  844:                if (MDOC_HEAD == n->type) {
                    845:                        assert(n->next);
                    846:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  847:                                p->flags &= ~TERMP_NOBREAK;
                    848:                        else
                    849:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  850:                        if (n->prev)
1.1       kristaps  851:                                p->flags |= TERMP_NOLPAD;
                    852:                }
                    853:                break;
                    854:        case (MDOC_Diag):
1.86      kristaps  855:                if (MDOC_HEAD == n->type)
1.1       kristaps  856:                        p->flags |= TERMP_NOBREAK;
                    857:                break;
                    858:        default:
                    859:                break;
                    860:        }
                    861:
                    862:        /*
                    863:         * Margin control.  Set-head-width lists have their right
                    864:         * margins shortened.  The body for these lists has the offset
                    865:         * necessarily lengthened.  Everybody gets the offset.
                    866:         */
                    867:
                    868:        p->offset += offset;
                    869:
                    870:        switch (type) {
1.59      kristaps  871:        case (MDOC_Hang):
                    872:                /*
                    873:                 * Same stipulation as above, regarding `-hang'.  We
                    874:                 * don't want to recalculate rmargin and offsets when
                    875:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    876:                 */
1.86      kristaps  877:                if (MDOC_HEAD == n->type && n->next->child &&
                    878:                                (MDOC_Bl == n->next->child->tok ||
                    879:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  880:                        break;
                    881:                /* FALLTHROUGH */
1.1       kristaps  882:        case (MDOC_Bullet):
                    883:                /* FALLTHROUGH */
                    884:        case (MDOC_Dash):
                    885:                /* FALLTHROUGH */
                    886:        case (MDOC_Enum):
                    887:                /* FALLTHROUGH */
                    888:        case (MDOC_Hyphen):
                    889:                /* FALLTHROUGH */
                    890:        case (MDOC_Tag):
1.49      kristaps  891:                assert(width);
1.86      kristaps  892:                if (MDOC_HEAD == n->type)
1.1       kristaps  893:                        p->rmargin = p->offset + width;
                    894:                else
                    895:                        p->offset += width;
                    896:                break;
                    897:        case (MDOC_Column):
1.49      kristaps  898:                assert(width);
1.1       kristaps  899:                p->rmargin = p->offset + width;
1.50      kristaps  900:                /*
                    901:                 * XXX - this behaviour is not documented: the
                    902:                 * right-most column is filled to the right margin.
                    903:                 */
1.86      kristaps  904:                if (MDOC_HEAD == n->type &&
                    905:                                MDOC_BODY == n->next->type)
1.50      kristaps  906:                        p->rmargin = p->maxrmargin;
1.1       kristaps  907:                break;
                    908:        default:
                    909:                break;
                    910:        }
                    911:
                    912:        /*
                    913:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  914:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  915:         */
                    916:
1.86      kristaps  917:        if (MDOC_HEAD == n->type)
1.1       kristaps  918:                switch (type) {
                    919:                case (MDOC_Bullet):
1.69      kristaps  920:                        p->bold++;
1.1       kristaps  921:                        term_word(p, "\\[bu]");
1.69      kristaps  922:                        p->bold--;
1.1       kristaps  923:                        break;
                    924:                case (MDOC_Dash):
                    925:                        /* FALLTHROUGH */
                    926:                case (MDOC_Hyphen):
1.69      kristaps  927:                        p->bold++;
1.27      kristaps  928:                        term_word(p, "\\(hy");
1.69      kristaps  929:                        p->bold--;
1.1       kristaps  930:                        break;
                    931:                case (MDOC_Enum):
                    932:                        (pair->ppair->ppair->count)++;
                    933:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    934:                                        pair->ppair->ppair->count);
                    935:                        term_word(p, buf);
                    936:                        break;
                    937:                default:
                    938:                        break;
                    939:                }
                    940:
                    941:        /*
                    942:         * If we're not going to process our children, indicate so here.
                    943:         */
                    944:
                    945:        switch (type) {
                    946:        case (MDOC_Bullet):
                    947:                /* FALLTHROUGH */
                    948:        case (MDOC_Item):
                    949:                /* FALLTHROUGH */
                    950:        case (MDOC_Dash):
                    951:                /* FALLTHROUGH */
                    952:        case (MDOC_Hyphen):
                    953:                /* FALLTHROUGH */
                    954:        case (MDOC_Enum):
1.86      kristaps  955:                if (MDOC_HEAD == n->type)
1.1       kristaps  956:                        return(0);
                    957:                break;
                    958:        case (MDOC_Column):
1.86      kristaps  959:                if (MDOC_BODY == n->type)
1.1       kristaps  960:                        return(0);
                    961:                break;
                    962:        default:
                    963:                break;
                    964:        }
                    965:
                    966:        return(1);
                    967: }
                    968:
                    969:
                    970: /* ARGSUSED */
                    971: static void
                    972: termp_it_post(DECL_ARGS)
                    973: {
                    974:        int                type;
                    975:
1.86      kristaps  976:        if (MDOC_BODY != n->type && MDOC_HEAD != n->type)
1.1       kristaps  977:                return;
                    978:
1.86      kristaps  979:        type = arg_listtype(n->parent->parent->parent);
1.38      kristaps  980:        assert(-1 != type);
1.1       kristaps  981:
                    982:        switch (type) {
                    983:        case (MDOC_Item):
                    984:                /* FALLTHROUGH */
1.53      kristaps  985:        case (MDOC_Diag):
                    986:                /* FALLTHROUGH */
1.1       kristaps  987:        case (MDOC_Inset):
1.86      kristaps  988:                if (MDOC_BODY == n->type)
1.1       kristaps  989:                        term_flushln(p);
                    990:                break;
                    991:        case (MDOC_Column):
1.86      kristaps  992:                if (MDOC_HEAD == n->type)
1.1       kristaps  993:                        term_flushln(p);
                    994:                break;
                    995:        default:
                    996:                term_flushln(p);
                    997:                break;
                    998:        }
                    999:
                   1000:        p->flags = pair->flag;
                   1001: }
                   1002:
                   1003:
                   1004: /* ARGSUSED */
                   1005: static int
                   1006: termp_nm_pre(DECL_ARGS)
                   1007: {
                   1008:
1.86      kristaps 1009:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1010:                term_newln(p);
1.69      kristaps 1011:        p->bold++;
1.86      kristaps 1012:        if (NULL == n->child)
                   1013:                term_word(p, m->name);
1.1       kristaps 1014:        return(1);
                   1015: }
                   1016:
                   1017:
                   1018: /* ARGSUSED */
                   1019: static int
                   1020: termp_fl_pre(DECL_ARGS)
                   1021: {
                   1022:
1.69      kristaps 1023:        p->bold++;
1.1       kristaps 1024:        term_word(p, "\\-");
                   1025:        p->flags |= TERMP_NOSPACE;
                   1026:        return(1);
                   1027: }
                   1028:
                   1029:
                   1030: /* ARGSUSED */
                   1031: static int
1.61      kristaps 1032: termp_an_pre(DECL_ARGS)
                   1033: {
                   1034:
1.86      kristaps 1035:        if (NULL == n->child)
1.61      kristaps 1036:                return(1);
                   1037:
                   1038:        /*
1.85      kristaps 1039:         * If not in the AUTHORS section, `An -split' will cause
                   1040:         * newlines to occur before the author name.  If in the AUTHORS
                   1041:         * section, by default, the first `An' invocation is nosplit,
                   1042:         * then all subsequent ones, regardless of whether interspersed
                   1043:         * with other macros/text, are split.  -split, in this case,
                   1044:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1045:         */
                   1046:
1.86      kristaps 1047:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1048:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1049:                        if (TERMP_SPLIT & p->flags)
                   1050:                                term_newln(p);
                   1051:                        return(1);
                   1052:                }
                   1053:                if (TERMP_NOSPLIT & p->flags)
                   1054:                        return(1);
                   1055:                term_newln(p);
                   1056:                return(1);
                   1057:        }
                   1058:
                   1059:        if (TERMP_SPLIT & p->flags)
                   1060:                term_newln(p);
                   1061:
                   1062:        return(1);
                   1063: }
                   1064:
                   1065:
                   1066: /* ARGSUSED */
                   1067: static void
                   1068: termp_an_post(DECL_ARGS)
                   1069: {
                   1070:
1.86      kristaps 1071:        if (n->child) {
                   1072:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1073:                        p->flags |= TERMP_ANPREC;
                   1074:                return;
                   1075:        }
                   1076:
1.86      kristaps 1077:        if (arg_getattr(MDOC_Split, n) > -1) {
1.61      kristaps 1078:                p->flags &= ~TERMP_NOSPLIT;
                   1079:                p->flags |= TERMP_SPLIT;
                   1080:        } else {
                   1081:                p->flags &= ~TERMP_SPLIT;
                   1082:                p->flags |= TERMP_NOSPLIT;
                   1083:        }
                   1084:
                   1085: }
                   1086:
                   1087:
                   1088: /* ARGSUSED */
                   1089: static int
1.1       kristaps 1090: termp_ns_pre(DECL_ARGS)
                   1091: {
                   1092:
                   1093:        p->flags |= TERMP_NOSPACE;
                   1094:        return(1);
                   1095: }
                   1096:
                   1097:
                   1098: /* ARGSUSED */
                   1099: static int
                   1100: termp_rs_pre(DECL_ARGS)
                   1101: {
                   1102:
1.86      kristaps 1103:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1104:                return(1);
1.86      kristaps 1105:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1106:                term_vspace(p);
                   1107:        return(1);
                   1108: }
                   1109:
                   1110:
                   1111: /* ARGSUSED */
                   1112: static int
                   1113: termp_rv_pre(DECL_ARGS)
                   1114: {
1.68      kristaps 1115:        const struct mdoc_node  *nn;
1.1       kristaps 1116:
                   1117:        term_newln(p);
                   1118:        term_word(p, "The");
                   1119:
1.86      kristaps 1120:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1121:                p->bold++;
1.68      kristaps 1122:                term_word(p, nn->string);
1.69      kristaps 1123:                p->bold--;
1.68      kristaps 1124:                p->flags |= TERMP_NOSPACE;
                   1125:                if (nn->next && NULL == nn->next->next)
                   1126:                        term_word(p, "(), and");
                   1127:                else if (nn->next)
                   1128:                        term_word(p, "(),");
                   1129:                else
                   1130:                        term_word(p, "()");
                   1131:        }
                   1132:
1.86      kristaps 1133:        if (n->child->next)
1.68      kristaps 1134:                term_word(p, "functions return");
                   1135:        else
                   1136:                term_word(p, "function returns");
1.1       kristaps 1137:
1.68      kristaps 1138:                term_word(p, "the value 0 if successful; otherwise the value "
                   1139:                        "-1 is returned and the global variable");
1.1       kristaps 1140:
1.69      kristaps 1141:        p->under++;
1.1       kristaps 1142:        term_word(p, "errno");
1.69      kristaps 1143:        p->under--;
1.1       kristaps 1144:
                   1145:                term_word(p, "is set to indicate the error.");
                   1146:
1.68      kristaps 1147:        return(0);
1.1       kristaps 1148: }
                   1149:
                   1150:
                   1151: /* ARGSUSED */
                   1152: static int
                   1153: termp_ex_pre(DECL_ARGS)
                   1154: {
1.68      kristaps 1155:        const struct mdoc_node  *nn;
1.1       kristaps 1156:
1.68      kristaps 1157:        term_word(p, "The");
1.1       kristaps 1158:
1.86      kristaps 1159:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1160:                p->bold++;
1.68      kristaps 1161:                term_word(p, nn->string);
1.69      kristaps 1162:                p->bold--;
1.68      kristaps 1163:                p->flags |= TERMP_NOSPACE;
                   1164:                if (nn->next && NULL == nn->next->next)
                   1165:                        term_word(p, ", and");
                   1166:                else if (nn->next)
                   1167:                        term_word(p, ",");
                   1168:                else
                   1169:                        p->flags &= ~TERMP_NOSPACE;
                   1170:        }
                   1171:
1.86      kristaps 1172:        if (n->child->next)
1.68      kristaps 1173:                term_word(p, "utilities exit");
                   1174:        else
                   1175:                term_word(p, "utility exits");
                   1176:
                   1177:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1178:
1.68      kristaps 1179:        return(0);
1.1       kristaps 1180: }
                   1181:
                   1182:
                   1183: /* ARGSUSED */
                   1184: static int
                   1185: termp_nd_pre(DECL_ARGS)
                   1186: {
1.25      kristaps 1187:
1.86      kristaps 1188:        if (MDOC_BODY != n->type)
1.25      kristaps 1189:                return(1);
1.30      kristaps 1190:
1.27      kristaps 1191: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1192:        term_word(p, "\\(en");
1.23      kristaps 1193: #else
                   1194:        term_word(p, "\\(em");
                   1195: #endif
1.1       kristaps 1196:        return(1);
                   1197: }
                   1198:
                   1199:
                   1200: /* ARGSUSED */
                   1201: static void
                   1202: termp_bl_post(DECL_ARGS)
                   1203: {
                   1204:
1.86      kristaps 1205:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1206:                term_newln(p);
                   1207: }
                   1208:
                   1209:
                   1210: /* ARGSUSED */
                   1211: static void
                   1212: termp_op_post(DECL_ARGS)
                   1213: {
                   1214:
1.86      kristaps 1215:        if (MDOC_BODY != n->type)
1.1       kristaps 1216:                return;
                   1217:        p->flags |= TERMP_NOSPACE;
                   1218:        term_word(p, "\\(rB");
                   1219: }
                   1220:
                   1221:
                   1222: /* ARGSUSED */
                   1223: static int
                   1224: termp_xr_pre(DECL_ARGS)
                   1225: {
1.86      kristaps 1226:        const struct mdoc_node *nn;
1.1       kristaps 1227:
1.86      kristaps 1228:        assert(n->child && MDOC_TEXT == n->child->type);
                   1229:        nn = n->child;
1.11      kristaps 1230:
1.86      kristaps 1231:        term_word(p, nn->string);
                   1232:        if (NULL == (nn = nn->next))
1.1       kristaps 1233:                return(0);
                   1234:        p->flags |= TERMP_NOSPACE;
                   1235:        term_word(p, "(");
                   1236:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1237:        term_word(p, nn->string);
1.1       kristaps 1238:        p->flags |= TERMP_NOSPACE;
                   1239:        term_word(p, ")");
1.86      kristaps 1240:
1.1       kristaps 1241:        return(0);
                   1242: }
                   1243:
                   1244:
                   1245: /* ARGSUSED */
                   1246: static void
                   1247: termp_vt_post(DECL_ARGS)
                   1248: {
                   1249:
1.86      kristaps 1250:        if (n->sec != SEC_SYNOPSIS)
1.32      kristaps 1251:                return;
1.86      kristaps 1252:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1253:                term_newln(p);
1.86      kristaps 1254:        else if (n->next)
1.1       kristaps 1255:                term_vspace(p);
                   1256: }
                   1257:
                   1258:
                   1259: /* ARGSUSED */
                   1260: static int
1.69      kristaps 1261: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1262: {
                   1263:
1.69      kristaps 1264:        p->bold++;
1.1       kristaps 1265:        return(1);
                   1266: }
                   1267:
                   1268:
                   1269: /* ARGSUSED */
                   1270: static void
                   1271: termp_fd_post(DECL_ARGS)
                   1272: {
                   1273:
1.86      kristaps 1274:        if (n->sec != SEC_SYNOPSIS)
1.1       kristaps 1275:                return;
1.29      kristaps 1276:
1.1       kristaps 1277:        term_newln(p);
1.86      kristaps 1278:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1279:                term_vspace(p);
                   1280: }
                   1281:
                   1282:
                   1283: /* ARGSUSED */
                   1284: static int
                   1285: termp_sh_pre(DECL_ARGS)
                   1286: {
1.85      kristaps 1287:
                   1288:        /* No vspace between consecutive `Sh' calls. */
                   1289:
1.86      kristaps 1290:        switch (n->type) {
1.65      kristaps 1291:        case (MDOC_BLOCK):
1.86      kristaps 1292:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1293:                        if (NULL == n->prev->body->child)
1.65      kristaps 1294:                                break;
                   1295:                term_vspace(p);
                   1296:                break;
1.1       kristaps 1297:        case (MDOC_HEAD):
1.69      kristaps 1298:                p->bold++;
1.1       kristaps 1299:                break;
                   1300:        case (MDOC_BODY):
                   1301:                p->offset = INDENT;
                   1302:                break;
                   1303:        default:
                   1304:                break;
                   1305:        }
                   1306:        return(1);
                   1307: }
                   1308:
                   1309:
                   1310: /* ARGSUSED */
                   1311: static void
                   1312: termp_sh_post(DECL_ARGS)
                   1313: {
                   1314:
1.86      kristaps 1315:        switch (n->type) {
1.1       kristaps 1316:        case (MDOC_HEAD):
                   1317:                term_newln(p);
                   1318:                break;
                   1319:        case (MDOC_BODY):
                   1320:                term_newln(p);
                   1321:                p->offset = 0;
                   1322:                break;
                   1323:        default:
                   1324:                break;
                   1325:        }
                   1326: }
                   1327:
                   1328:
                   1329: /* ARGSUSED */
                   1330: static int
                   1331: termp_op_pre(DECL_ARGS)
                   1332: {
                   1333:
1.86      kristaps 1334:        switch (n->type) {
1.1       kristaps 1335:        case (MDOC_BODY):
                   1336:                term_word(p, "\\(lB");
                   1337:                p->flags |= TERMP_NOSPACE;
                   1338:                break;
                   1339:        default:
                   1340:                break;
                   1341:        }
                   1342:        return(1);
                   1343: }
                   1344:
                   1345:
                   1346: /* ARGSUSED */
                   1347: static int
                   1348: termp_bt_pre(DECL_ARGS)
                   1349: {
                   1350:
                   1351:        term_word(p, "is currently in beta test.");
1.81      kristaps 1352:        return(0);
1.1       kristaps 1353: }
                   1354:
                   1355:
                   1356: /* ARGSUSED */
                   1357: static void
                   1358: termp_lb_post(DECL_ARGS)
                   1359: {
                   1360:
1.86      kristaps 1361:        if (SEC_LIBRARY == n->sec)
1.81      kristaps 1362:                term_newln(p);
1.1       kristaps 1363: }
                   1364:
                   1365:
                   1366: /* ARGSUSED */
                   1367: static int
                   1368: termp_ud_pre(DECL_ARGS)
                   1369: {
                   1370:
                   1371:        term_word(p, "currently under development.");
1.86      kristaps 1372:        return(0);
1.1       kristaps 1373: }
                   1374:
                   1375:
                   1376: /* ARGSUSED */
                   1377: static int
                   1378: termp_d1_pre(DECL_ARGS)
                   1379: {
                   1380:
1.86      kristaps 1381:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1382:                return(1);
                   1383:        term_newln(p);
1.29      kristaps 1384:        p->offset += (INDENT + 1);
1.1       kristaps 1385:        return(1);
                   1386: }
                   1387:
                   1388:
                   1389: /* ARGSUSED */
                   1390: static void
                   1391: termp_d1_post(DECL_ARGS)
                   1392: {
                   1393:
1.86      kristaps 1394:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1395:                return;
                   1396:        term_newln(p);
                   1397: }
                   1398:
                   1399:
                   1400: /* ARGSUSED */
                   1401: static int
                   1402: termp_aq_pre(DECL_ARGS)
                   1403: {
                   1404:
1.86      kristaps 1405:        if (MDOC_BODY != n->type)
1.1       kristaps 1406:                return(1);
                   1407:        term_word(p, "\\(la");
                   1408:        p->flags |= TERMP_NOSPACE;
                   1409:        return(1);
                   1410: }
                   1411:
                   1412:
                   1413: /* ARGSUSED */
                   1414: static void
                   1415: termp_aq_post(DECL_ARGS)
                   1416: {
                   1417:
1.86      kristaps 1418:        if (MDOC_BODY != n->type)
1.1       kristaps 1419:                return;
                   1420:        p->flags |= TERMP_NOSPACE;
                   1421:        term_word(p, "\\(ra");
                   1422: }
                   1423:
                   1424:
                   1425: /* ARGSUSED */
                   1426: static int
                   1427: termp_ft_pre(DECL_ARGS)
                   1428: {
                   1429:
1.86      kristaps 1430:        if (SEC_SYNOPSIS == n->sec)
                   1431:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1432:                        term_vspace(p);
1.69      kristaps 1433:        p->under++;
1.1       kristaps 1434:        return(1);
                   1435: }
                   1436:
                   1437:
                   1438: /* ARGSUSED */
                   1439: static void
                   1440: termp_ft_post(DECL_ARGS)
                   1441: {
                   1442:
1.86      kristaps 1443:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1444:                term_newln(p);
                   1445: }
                   1446:
                   1447:
                   1448: /* ARGSUSED */
                   1449: static int
                   1450: termp_fn_pre(DECL_ARGS)
                   1451: {
1.86      kristaps 1452:        const struct mdoc_node  *nn;
1.1       kristaps 1453:
1.69      kristaps 1454:        p->bold++;
1.86      kristaps 1455:        term_word(p, n->child->string);
1.69      kristaps 1456:        p->bold--;
1.1       kristaps 1457:
                   1458:        p->flags |= TERMP_NOSPACE;
                   1459:        term_word(p, "(");
                   1460:
1.86      kristaps 1461:        for (nn = n->child->next; nn; nn = nn->next) {
1.69      kristaps 1462:                p->under++;
1.86      kristaps 1463:                term_word(p, nn->string);
1.69      kristaps 1464:                p->under--;
1.86      kristaps 1465:                if (nn->next)
1.1       kristaps 1466:                        term_word(p, ",");
                   1467:        }
                   1468:
                   1469:        term_word(p, ")");
                   1470:
1.86      kristaps 1471:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1472:                term_word(p, ";");
                   1473:
                   1474:        return(0);
                   1475: }
                   1476:
                   1477:
                   1478: /* ARGSUSED */
                   1479: static void
                   1480: termp_fn_post(DECL_ARGS)
                   1481: {
                   1482:
1.86      kristaps 1483:        if (n->sec == SEC_SYNOPSIS && n->next)
1.1       kristaps 1484:                term_vspace(p);
                   1485: }
                   1486:
                   1487:
                   1488: /* ARGSUSED */
                   1489: static int
                   1490: termp_fa_pre(DECL_ARGS)
                   1491: {
1.86      kristaps 1492:        const struct mdoc_node  *nn;
1.1       kristaps 1493:
1.86      kristaps 1494:        if (n->parent->tok != MDOC_Fo) {
1.69      kristaps 1495:                p->under++;
1.1       kristaps 1496:                return(1);
                   1497:        }
                   1498:
1.86      kristaps 1499:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1500:                p->under++;
1.86      kristaps 1501:                term_word(p, nn->string);
1.69      kristaps 1502:                p->under--;
1.86      kristaps 1503:                if (nn->next)
1.1       kristaps 1504:                        term_word(p, ",");
                   1505:        }
                   1506:
1.86      kristaps 1507:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1508:                term_word(p, ",");
                   1509:
                   1510:        return(0);
                   1511: }
                   1512:
                   1513:
                   1514: /* ARGSUSED */
                   1515: static int
                   1516: termp_bd_pre(DECL_ARGS)
                   1517: {
1.85      kristaps 1518:        int                      i, type;
                   1519:        const struct mdoc_node  *nn;
1.1       kristaps 1520:
1.86      kristaps 1521:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1522:                print_bvspace(p, n, n);
1.54      kristaps 1523:                return(1);
1.86      kristaps 1524:        } else if (MDOC_BODY != n->type)
1.1       kristaps 1525:                return(1);
                   1526:
1.86      kristaps 1527:        nn = n->parent;
1.11      kristaps 1528:
1.85      kristaps 1529:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
                   1530:                switch (nn->args->argv[i].arg) {
1.90      kristaps 1531:                case (MDOC_Centred):
                   1532:                        /* FALLTHROUGH */
1.1       kristaps 1533:                case (MDOC_Ragged):
                   1534:                        /* FALLTHROUGH */
                   1535:                case (MDOC_Filled):
                   1536:                        /* FALLTHROUGH */
                   1537:                case (MDOC_Unfilled):
                   1538:                        /* FALLTHROUGH */
                   1539:                case (MDOC_Literal):
1.85      kristaps 1540:                        type = nn->args->argv[i].arg;
                   1541:                        break;
                   1542:                case (MDOC_Offset):
1.96      kristaps 1543:                        p->offset += a2offs(&nn->args->argv[i]);
1.1       kristaps 1544:                        break;
                   1545:                default:
                   1546:                        break;
                   1547:                }
                   1548:        }
1.85      kristaps 1549:
                   1550:        /*
                   1551:         * If -ragged or -filled are specified, the block does nothing
                   1552:         * but change the indentation.  If -unfilled or -literal are
                   1553:         * specified, text is printed exactly as entered in the display:
                   1554:         * for macro lines, a newline is appended to the line.  Blank
                   1555:         * lines are allowed.
                   1556:         */
1.60      kristaps 1557:
                   1558:        assert(type > -1);
1.85      kristaps 1559:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1560:                return(1);
                   1561:
1.86      kristaps 1562:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1563:                p->flags |= TERMP_NOSPACE;
1.86      kristaps 1564:                print_node(p, pair, m, nn);
1.85      kristaps 1565:                if (NULL == nn->next)
                   1566:                        continue;
                   1567:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1568:                        term_flushln(p);
1.87      kristaps 1569:                else if (NULL == nn->prev)
                   1570:                        term_flushln(p);
1.1       kristaps 1571:        }
                   1572:
                   1573:        return(0);
                   1574: }
                   1575:
                   1576:
                   1577: /* ARGSUSED */
                   1578: static void
                   1579: termp_bd_post(DECL_ARGS)
                   1580: {
                   1581:
1.86      kristaps 1582:        if (MDOC_BODY != n->type)
1.1       kristaps 1583:                return;
1.60      kristaps 1584:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1585:        term_flushln(p);
                   1586: }
                   1587:
                   1588:
                   1589: /* ARGSUSED */
                   1590: static int
                   1591: termp_qq_pre(DECL_ARGS)
                   1592: {
                   1593:
1.86      kristaps 1594:        if (MDOC_BODY != n->type)
1.1       kristaps 1595:                return(1);
                   1596:        term_word(p, "\"");
                   1597:        p->flags |= TERMP_NOSPACE;
                   1598:        return(1);
                   1599: }
                   1600:
                   1601:
                   1602: /* ARGSUSED */
                   1603: static void
                   1604: termp_qq_post(DECL_ARGS)
                   1605: {
                   1606:
1.86      kristaps 1607:        if (MDOC_BODY != n->type)
1.1       kristaps 1608:                return;
                   1609:        p->flags |= TERMP_NOSPACE;
                   1610:        term_word(p, "\"");
                   1611: }
                   1612:
                   1613:
                   1614: /* ARGSUSED */
                   1615: static void
                   1616: termp_bx_post(DECL_ARGS)
                   1617: {
                   1618:
1.86      kristaps 1619:        if (n->child)
1.1       kristaps 1620:                p->flags |= TERMP_NOSPACE;
                   1621:        term_word(p, "BSD");
                   1622: }
                   1623:
                   1624:
                   1625: /* ARGSUSED */
                   1626: static int
1.26      kristaps 1627: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1628: {
1.26      kristaps 1629:        const char      *pp;
1.1       kristaps 1630:
1.26      kristaps 1631:        pp = NULL;
1.86      kristaps 1632:        switch (n->tok) {
1.26      kristaps 1633:        case (MDOC_Bsx):
                   1634:                pp = "BSDI BSD/OS";
                   1635:                break;
                   1636:        case (MDOC_Dx):
1.100   ! kristaps 1637:                pp = "DragonFly";
1.26      kristaps 1638:                break;
                   1639:        case (MDOC_Fx):
                   1640:                pp = "FreeBSD";
                   1641:                break;
                   1642:        case (MDOC_Nx):
                   1643:                pp = "NetBSD";
                   1644:                break;
                   1645:        case (MDOC_Ox):
                   1646:                pp = "OpenBSD";
                   1647:                break;
                   1648:        case (MDOC_Ux):
                   1649:                pp = "UNIX";
                   1650:                break;
                   1651:        default:
                   1652:                break;
                   1653:        }
1.1       kristaps 1654:
1.26      kristaps 1655:        assert(pp);
                   1656:        term_word(p, pp);
1.1       kristaps 1657:        return(1);
                   1658: }
                   1659:
                   1660:
                   1661: /* ARGSUSED */
                   1662: static int
                   1663: termp_sq_pre(DECL_ARGS)
                   1664: {
                   1665:
1.86      kristaps 1666:        if (MDOC_BODY != n->type)
1.1       kristaps 1667:                return(1);
                   1668:        term_word(p, "\\(oq");
                   1669:        p->flags |= TERMP_NOSPACE;
                   1670:        return(1);
                   1671: }
                   1672:
                   1673:
                   1674: /* ARGSUSED */
                   1675: static void
                   1676: termp_sq_post(DECL_ARGS)
                   1677: {
                   1678:
1.86      kristaps 1679:        if (MDOC_BODY != n->type)
1.1       kristaps 1680:                return;
                   1681:        p->flags |= TERMP_NOSPACE;
                   1682:        term_word(p, "\\(aq");
                   1683: }
                   1684:
                   1685:
                   1686: /* ARGSUSED */
                   1687: static int
                   1688: termp_pf_pre(DECL_ARGS)
                   1689: {
                   1690:
                   1691:        p->flags |= TERMP_IGNDELIM;
                   1692:        return(1);
                   1693: }
                   1694:
                   1695:
                   1696: /* ARGSUSED */
                   1697: static void
                   1698: termp_pf_post(DECL_ARGS)
                   1699: {
                   1700:
                   1701:        p->flags &= ~TERMP_IGNDELIM;
                   1702:        p->flags |= TERMP_NOSPACE;
                   1703: }
                   1704:
                   1705:
                   1706: /* ARGSUSED */
                   1707: static int
                   1708: termp_ss_pre(DECL_ARGS)
                   1709: {
                   1710:
1.86      kristaps 1711:        switch (n->type) {
1.1       kristaps 1712:        case (MDOC_BLOCK):
                   1713:                term_newln(p);
1.86      kristaps 1714:                if (n->prev)
1.1       kristaps 1715:                        term_vspace(p);
                   1716:                break;
                   1717:        case (MDOC_HEAD):
1.69      kristaps 1718:                p->bold++;
1.5       kristaps 1719:                p->offset = HALFINDENT;
1.1       kristaps 1720:                break;
                   1721:        default:
                   1722:                break;
                   1723:        }
                   1724:
                   1725:        return(1);
                   1726: }
                   1727:
                   1728:
                   1729: /* ARGSUSED */
                   1730: static void
                   1731: termp_ss_post(DECL_ARGS)
                   1732: {
                   1733:
1.86      kristaps 1734:        if (MDOC_HEAD == n->type)
1.1       kristaps 1735:                term_newln(p);
                   1736: }
                   1737:
                   1738:
                   1739: /* ARGSUSED */
                   1740: static int
                   1741: termp_cd_pre(DECL_ARGS)
                   1742: {
                   1743:
1.69      kristaps 1744:        p->bold++;
1.1       kristaps 1745:        term_newln(p);
                   1746:        return(1);
                   1747: }
                   1748:
                   1749:
                   1750: /* ARGSUSED */
                   1751: static int
                   1752: termp_in_pre(DECL_ARGS)
                   1753: {
                   1754:
1.69      kristaps 1755:        p->bold++;
1.86      kristaps 1756:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1757:                term_word(p, "#include");
                   1758:
1.1       kristaps 1759:        term_word(p, "<");
                   1760:        p->flags |= TERMP_NOSPACE;
                   1761:        return(1);
                   1762: }
                   1763:
                   1764:
                   1765: /* ARGSUSED */
                   1766: static void
                   1767: termp_in_post(DECL_ARGS)
                   1768: {
                   1769:
1.69      kristaps 1770:        p->bold++;
1.79      kristaps 1771:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1772:        term_word(p, ">");
1.69      kristaps 1773:        p->bold--;
1.1       kristaps 1774:
1.86      kristaps 1775:        if (SEC_SYNOPSIS != n->sec)
1.1       kristaps 1776:                return;
1.22      kristaps 1777:
                   1778:        term_newln(p);
                   1779:        /*
                   1780:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1781:         * the SYNOPSIS section, then it produces a single break after
                   1782:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1783:         * construction is rarely used, I think it's fine.
                   1784:         */
1.86      kristaps 1785:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1786:                term_vspace(p);
                   1787: }
                   1788:
                   1789:
                   1790: /* ARGSUSED */
                   1791: static int
1.45      kristaps 1792: termp_sp_pre(DECL_ARGS)
                   1793: {
1.91      kristaps 1794:        size_t           i, len;
1.45      kristaps 1795:
1.86      kristaps 1796:        switch (n->tok) {
1.76      kristaps 1797:        case (MDOC_sp):
1.96      kristaps 1798:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1799:                break;
                   1800:        case (MDOC_br):
                   1801:                len = 0;
                   1802:                break;
                   1803:        default:
                   1804:                len = 1;
                   1805:                break;
1.45      kristaps 1806:        }
                   1807:
                   1808:        if (0 == len)
                   1809:                term_newln(p);
                   1810:        for (i = 0; i < len; i++)
                   1811:                term_vspace(p);
                   1812:
                   1813:        return(0);
                   1814: }
                   1815:
                   1816:
                   1817: /* ARGSUSED */
                   1818: static int
1.1       kristaps 1819: termp_brq_pre(DECL_ARGS)
                   1820: {
                   1821:
1.86      kristaps 1822:        if (MDOC_BODY != n->type)
1.1       kristaps 1823:                return(1);
                   1824:        term_word(p, "\\(lC");
                   1825:        p->flags |= TERMP_NOSPACE;
                   1826:        return(1);
                   1827: }
                   1828:
                   1829:
                   1830: /* ARGSUSED */
                   1831: static void
                   1832: termp_brq_post(DECL_ARGS)
                   1833: {
                   1834:
1.86      kristaps 1835:        if (MDOC_BODY != n->type)
1.1       kristaps 1836:                return;
                   1837:        p->flags |= TERMP_NOSPACE;
                   1838:        term_word(p, "\\(rC");
                   1839: }
                   1840:
                   1841:
                   1842: /* ARGSUSED */
                   1843: static int
                   1844: termp_bq_pre(DECL_ARGS)
                   1845: {
                   1846:
1.86      kristaps 1847:        if (MDOC_BODY != n->type)
1.1       kristaps 1848:                return(1);
                   1849:        term_word(p, "\\(lB");
                   1850:        p->flags |= TERMP_NOSPACE;
                   1851:        return(1);
                   1852: }
                   1853:
                   1854:
                   1855: /* ARGSUSED */
                   1856: static void
                   1857: termp_bq_post(DECL_ARGS)
                   1858: {
                   1859:
1.86      kristaps 1860:        if (MDOC_BODY != n->type)
1.1       kristaps 1861:                return;
                   1862:        p->flags |= TERMP_NOSPACE;
                   1863:        term_word(p, "\\(rB");
                   1864: }
                   1865:
                   1866:
                   1867: /* ARGSUSED */
                   1868: static int
                   1869: termp_pq_pre(DECL_ARGS)
                   1870: {
                   1871:
1.86      kristaps 1872:        if (MDOC_BODY != n->type)
1.1       kristaps 1873:                return(1);
                   1874:        term_word(p, "\\&(");
                   1875:        p->flags |= TERMP_NOSPACE;
                   1876:        return(1);
                   1877: }
                   1878:
                   1879:
                   1880: /* ARGSUSED */
                   1881: static void
                   1882: termp_pq_post(DECL_ARGS)
                   1883: {
                   1884:
1.86      kristaps 1885:        if (MDOC_BODY != n->type)
1.1       kristaps 1886:                return;
                   1887:        term_word(p, ")");
                   1888: }
                   1889:
                   1890:
                   1891: /* ARGSUSED */
                   1892: static int
                   1893: termp_fo_pre(DECL_ARGS)
                   1894: {
1.86      kristaps 1895:        const struct mdoc_node *nn;
1.1       kristaps 1896:
1.86      kristaps 1897:        if (MDOC_BODY == n->type) {
1.33      kristaps 1898:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1899:                term_word(p, "(");
                   1900:                p->flags |= TERMP_NOSPACE;
                   1901:                return(1);
1.86      kristaps 1902:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1903:                return(1);
                   1904:
1.69      kristaps 1905:        p->bold++;
1.86      kristaps 1906:        for (nn = n->child; nn; nn = nn->next) {
                   1907:                assert(MDOC_TEXT == nn->type);
                   1908:                term_word(p, nn->string);
1.1       kristaps 1909:        }
1.69      kristaps 1910:        p->bold--;
1.1       kristaps 1911:
                   1912:        return(0);
                   1913: }
                   1914:
                   1915:
                   1916: /* ARGSUSED */
                   1917: static void
                   1918: termp_fo_post(DECL_ARGS)
                   1919: {
                   1920:
1.86      kristaps 1921:        if (MDOC_BODY != n->type)
1.1       kristaps 1922:                return;
                   1923:        p->flags |= TERMP_NOSPACE;
                   1924:        term_word(p, ")");
                   1925:        p->flags |= TERMP_NOSPACE;
                   1926:        term_word(p, ";");
                   1927:        term_newln(p);
                   1928: }
                   1929:
                   1930:
                   1931: /* ARGSUSED */
                   1932: static int
                   1933: termp_bf_pre(DECL_ARGS)
                   1934: {
1.86      kristaps 1935:        const struct mdoc_node  *nn;
1.1       kristaps 1936:
1.86      kristaps 1937:        if (MDOC_HEAD == n->type)
1.1       kristaps 1938:                return(0);
1.86      kristaps 1939:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 1940:                return(1);
                   1941:
1.86      kristaps 1942:        if (NULL == (nn = n->head->child)) {
                   1943:                if (arg_hasattr(MDOC_Emphasis, n))
1.69      kristaps 1944:                        p->under++;
1.86      kristaps 1945:                else if (arg_hasattr(MDOC_Symbolic, n))
1.69      kristaps 1946:                        p->bold++;
1.1       kristaps 1947:
                   1948:                return(1);
                   1949:        }
                   1950:
1.86      kristaps 1951:        assert(MDOC_TEXT == nn->type);
                   1952:        if (0 == strcmp("Em", nn->string))
1.69      kristaps 1953:                p->under++;
1.86      kristaps 1954:        else if (0 == strcmp("Sy", nn->string))
1.69      kristaps 1955:                p->bold++;
1.1       kristaps 1956:
                   1957:        return(1);
                   1958: }
                   1959:
                   1960:
                   1961: /* ARGSUSED */
                   1962: static int
                   1963: termp_sm_pre(DECL_ARGS)
                   1964: {
                   1965:
1.86      kristaps 1966:        assert(n->child && MDOC_TEXT == n->child->type);
                   1967:        if (0 == strcmp("on", n->child->string)) {
1.1       kristaps 1968:                p->flags &= ~TERMP_NONOSPACE;
                   1969:                p->flags &= ~TERMP_NOSPACE;
                   1970:        } else
                   1971:                p->flags |= TERMP_NONOSPACE;
                   1972:
                   1973:        return(0);
                   1974: }
                   1975:
                   1976:
                   1977: /* ARGSUSED */
                   1978: static int
                   1979: termp_ap_pre(DECL_ARGS)
                   1980: {
                   1981:
                   1982:        p->flags |= TERMP_NOSPACE;
                   1983:        term_word(p, "\\(aq");
                   1984:        p->flags |= TERMP_NOSPACE;
                   1985:        return(1);
                   1986: }
                   1987:
                   1988:
                   1989: /* ARGSUSED */
                   1990: static void
                   1991: termp____post(DECL_ARGS)
                   1992: {
                   1993:
1.95      kristaps 1994:        /* TODO: %U. */
                   1995:
1.1       kristaps 1996:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1997:        switch (n->tok) {
1.84      kristaps 1998:        case (MDOC__T):
                   1999:                term_word(p, "\\(rq");
                   2000:                p->flags |= TERMP_NOSPACE;
                   2001:                break;
                   2002:        default:
                   2003:                break;
                   2004:        }
1.86      kristaps 2005:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2006: }
                   2007:
                   2008:
                   2009: /* ARGSUSED */
                   2010: static int
                   2011: termp_lk_pre(DECL_ARGS)
                   2012: {
1.86      kristaps 2013:        const struct mdoc_node *nn;
1.1       kristaps 2014:
1.96      kristaps 2015:        p->under++;
                   2016:        nn = n->child;
                   2017:
                   2018:        if (NULL == nn->next)
1.12      kristaps 2019:                return(1);
                   2020:
1.86      kristaps 2021:        term_word(p, nn->string);
1.96      kristaps 2022:        p->under--;
                   2023:
1.1       kristaps 2024:        p->flags |= TERMP_NOSPACE;
                   2025:        term_word(p, ":");
                   2026:
1.69      kristaps 2027:        p->bold++;
1.86      kristaps 2028:        for (nn = nn->next; nn; nn = nn->next)
                   2029:                term_word(p, nn->string);
1.69      kristaps 2030:        p->bold--;
1.12      kristaps 2031:
1.1       kristaps 2032:        return(0);
                   2033: }
                   2034:
                   2035:
                   2036: /* ARGSUSED */
                   2037: static int
1.69      kristaps 2038: termp_under_pre(DECL_ARGS)
1.1       kristaps 2039: {
                   2040:
1.69      kristaps 2041:        p->under++;
1.1       kristaps 2042:        return(1);
                   2043: }
1.83      kristaps 2044:
1.84      kristaps 2045:
                   2046: /* ARGSUSED */
                   2047: static int
                   2048: termp__t_pre(DECL_ARGS)
                   2049: {
                   2050:
                   2051:        term_word(p, "\\(lq");
                   2052:        p->flags |= TERMP_NOSPACE;
                   2053:        return(1);
                   2054: }

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