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Annotation of mandoc/mdoc_term.c, Revision 1.94

1.94    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.93 2009/10/19 15:18:30 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 <err.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
1.92      kristaps   26: #include "out.h"
1.1       kristaps   27: #include "term.h"
                     28: #include "mdoc.h"
1.89      kristaps   29: #include "chars.h"
                     30: #include "main.h"
1.1       kristaps   31:
1.66      kristaps   32: #define        INDENT            5
                     33: #define        HALFINDENT        3
                     34:
1.1       kristaps   35: struct termpair {
                     36:        struct termpair  *ppair;
1.31      kristaps   37:        int               flag;
                     38:        int               count;
1.1       kristaps   39: };
                     40:
1.31      kristaps   41: #define        DECL_ARGS struct termp *p, \
                     42:                  struct termpair *pair, \
1.86      kristaps   43:                  const struct mdoc_meta *m, \
                     44:                  const struct mdoc_node *n
1.1       kristaps   45:
                     46: struct termact {
                     47:        int     (*pre)(DECL_ARGS);
                     48:        void    (*post)(DECL_ARGS);
                     49: };
                     50:
1.31      kristaps   51: static void      termp____post(DECL_ARGS);
1.61      kristaps   52: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   53: static void      termp_aq_post(DECL_ARGS);
                     54: static void      termp_bd_post(DECL_ARGS);
                     55: static void      termp_bl_post(DECL_ARGS);
                     56: static void      termp_bq_post(DECL_ARGS);
                     57: static void      termp_brq_post(DECL_ARGS);
                     58: static void      termp_bx_post(DECL_ARGS);
                     59: static void      termp_d1_post(DECL_ARGS);
                     60: static void      termp_dq_post(DECL_ARGS);
                     61: static void      termp_fd_post(DECL_ARGS);
                     62: static void      termp_fn_post(DECL_ARGS);
                     63: static void      termp_fo_post(DECL_ARGS);
                     64: static void      termp_ft_post(DECL_ARGS);
                     65: static void      termp_in_post(DECL_ARGS);
                     66: static void      termp_it_post(DECL_ARGS);
                     67: static void      termp_lb_post(DECL_ARGS);
                     68: static void      termp_op_post(DECL_ARGS);
                     69: static void      termp_pf_post(DECL_ARGS);
                     70: static void      termp_pq_post(DECL_ARGS);
                     71: static void      termp_qq_post(DECL_ARGS);
                     72: static void      termp_sh_post(DECL_ARGS);
                     73: static void      termp_sq_post(DECL_ARGS);
                     74: static void      termp_ss_post(DECL_ARGS);
                     75: static void      termp_vt_post(DECL_ARGS);
                     76:
1.84      kristaps   77: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   78: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   79: static int       termp_ap_pre(DECL_ARGS);
                     80: static int       termp_aq_pre(DECL_ARGS);
                     81: static int       termp_bd_pre(DECL_ARGS);
                     82: static int       termp_bf_pre(DECL_ARGS);
1.69      kristaps   83: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   84: static int       termp_bq_pre(DECL_ARGS);
                     85: static int       termp_brq_pre(DECL_ARGS);
                     86: static int       termp_bt_pre(DECL_ARGS);
                     87: static int       termp_cd_pre(DECL_ARGS);
                     88: static int       termp_d1_pre(DECL_ARGS);
                     89: static int       termp_dq_pre(DECL_ARGS);
                     90: static int       termp_ex_pre(DECL_ARGS);
                     91: static int       termp_fa_pre(DECL_ARGS);
                     92: static int       termp_fl_pre(DECL_ARGS);
                     93: static int       termp_fn_pre(DECL_ARGS);
                     94: static int       termp_fo_pre(DECL_ARGS);
                     95: static int       termp_ft_pre(DECL_ARGS);
                     96: static int       termp_in_pre(DECL_ARGS);
                     97: static int       termp_it_pre(DECL_ARGS);
                     98: static int       termp_lk_pre(DECL_ARGS);
                     99: static int       termp_nd_pre(DECL_ARGS);
                    100: static int       termp_nm_pre(DECL_ARGS);
                    101: static int       termp_ns_pre(DECL_ARGS);
                    102: static int       termp_op_pre(DECL_ARGS);
                    103: static int       termp_pf_pre(DECL_ARGS);
                    104: static int       termp_pq_pre(DECL_ARGS);
                    105: static int       termp_qq_pre(DECL_ARGS);
                    106: static int       termp_rs_pre(DECL_ARGS);
                    107: static int       termp_rv_pre(DECL_ARGS);
                    108: static int       termp_sh_pre(DECL_ARGS);
                    109: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  110: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  111: static int       termp_sq_pre(DECL_ARGS);
                    112: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  113: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  114: static int       termp_ud_pre(DECL_ARGS);
                    115: static int       termp_xr_pre(DECL_ARGS);
                    116: static int       termp_xx_pre(DECL_ARGS);
                    117:
1.70      kristaps  118: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  119:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  120:        { NULL, NULL }, /* Dd */
                    121:        { NULL, NULL }, /* Dt */
                    122:        { NULL, NULL }, /* Os */
                    123:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    124:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  125:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  126:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    127:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    128:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    129:        { NULL, NULL }, /* Ed */
                    130:        { NULL, termp_bl_post }, /* Bl */
                    131:        { NULL, NULL }, /* El */
                    132:        { termp_it_pre, termp_it_post }, /* It */
                    133:        { NULL, NULL }, /* Ad */
1.61      kristaps  134:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  135:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  136:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  137:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  138:        { NULL, NULL }, /* Dv */
                    139:        { NULL, NULL }, /* Er */
                    140:        { NULL, NULL }, /* Ev */
                    141:        { termp_ex_pre, NULL }, /* Ex */
                    142:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  143:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  144:        { termp_fl_pre, NULL }, /* Fl */
                    145:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    146:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  147:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  148:        { termp_in_pre, termp_in_post }, /* In */
                    149:        { NULL, NULL }, /* Li */
                    150:        { termp_nd_pre, NULL }, /* Nd */
                    151:        { termp_nm_pre, NULL }, /* Nm */
                    152:        { termp_op_pre, termp_op_post }, /* Op */
                    153:        { NULL, NULL }, /* Ot */
1.69      kristaps  154:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  155:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  156:        { NULL, NULL }, /* St */
1.69      kristaps  157:        { termp_under_pre, NULL }, /* Va */
1.70      kristaps  158:        { termp_under_pre, termp_vt_post }, /* Vt */
1.1       kristaps  159:        { termp_xr_pre, NULL }, /* Xr */
                    160:        { NULL, termp____post }, /* %A */
1.84      kristaps  161:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  162:        { NULL, termp____post }, /* %D */
1.84      kristaps  163:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  164:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  165:        { NULL, termp____post }, /* %N */
                    166:        { NULL, termp____post }, /* %O */
                    167:        { NULL, termp____post }, /* %P */
                    168:        { NULL, termp____post }, /* %R */
1.84      kristaps  169:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  170:        { NULL, termp____post }, /* %V */
                    171:        { NULL, NULL }, /* Ac */
                    172:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    173:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  174:        { NULL, NULL }, /* At */
1.1       kristaps  175:        { NULL, NULL }, /* Bc */
                    176:        { termp_bf_pre, NULL }, /* Bf */
                    177:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    178:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  179:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  180:        { NULL, termp_bx_post }, /* Bx */
                    181:        { NULL, NULL }, /* Db */
                    182:        { NULL, NULL }, /* Dc */
                    183:        { termp_dq_pre, termp_dq_post }, /* Do */
                    184:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    185:        { NULL, NULL }, /* Ec */
                    186:        { NULL, NULL }, /* Ef */
1.69      kristaps  187:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  188:        { NULL, NULL }, /* Eo */
1.26      kristaps  189:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  190:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  191:        { NULL, NULL }, /* No */
                    192:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  193:        { termp_xx_pre, NULL }, /* Nx */
                    194:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  195:        { NULL, NULL }, /* Pc */
                    196:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    197:        { termp_pq_pre, termp_pq_post }, /* Po */
                    198:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    199:        { NULL, NULL }, /* Qc */
                    200:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    201:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    202:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    203:        { NULL, NULL }, /* Re */
                    204:        { termp_rs_pre, NULL }, /* Rs */
                    205:        { NULL, NULL }, /* Sc */
                    206:        { termp_sq_pre, termp_sq_post }, /* So */
                    207:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    208:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  209:        { termp_under_pre, NULL }, /* Sx */
                    210:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  211:        { NULL, NULL }, /* Tn */
1.26      kristaps  212:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  213:        { NULL, NULL }, /* Xc */
                    214:        { NULL, NULL }, /* Xo */
                    215:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    216:        { NULL, NULL }, /* Fc */
                    217:        { termp_op_pre, termp_op_post }, /* Oo */
                    218:        { NULL, NULL }, /* Oc */
                    219:        { NULL, NULL }, /* Bk */
                    220:        { NULL, NULL }, /* Ek */
                    221:        { termp_bt_pre, NULL }, /* Bt */
                    222:        { NULL, NULL }, /* Hf */
                    223:        { NULL, NULL }, /* Fr */
                    224:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  225:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  226:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  227:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  228:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  229:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    230:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    231:        { NULL, NULL }, /* Brc */
1.83      kristaps  232:        { NULL, termp____post }, /* %C */
1.81      kristaps  233:        { NULL, NULL }, /* Es */ /* TODO */
                    234:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  235:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  236:        { NULL, termp____post }, /* %Q */
1.76      kristaps  237:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  238:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  239: };
                    240:
1.2       kristaps  241: #ifdef __linux__
1.9       kristaps  242: extern size_t    strlcpy(char *, const char *, size_t);
                    243: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  244: #endif
                    245:
1.91      kristaps  246: static size_t    arg2width(const struct mdoc_argv *, int);
                    247: static size_t    arg2height(const struct mdoc_node *);
                    248: static size_t    arg2offs(const struct mdoc_argv *);
                    249:
1.1       kristaps  250: static int       arg_hasattr(int, const struct mdoc_node *);
                    251: static int       arg_getattrs(const int *, int *, size_t,
                    252:                        const struct mdoc_node *);
                    253: static int       arg_getattr(int, const struct mdoc_node *);
                    254: static int       arg_listtype(const struct mdoc_node *);
1.91      kristaps  255: static void      print_bvspace(struct termp *,
1.1       kristaps  256:                        const struct mdoc_node *,
                    257:                        const struct mdoc_node *);
1.3       kristaps  258: static void      print_node(DECL_ARGS);
1.70      kristaps  259: static void      print_head(DECL_ARGS);
1.3       kristaps  260: static void      print_body(DECL_ARGS);
1.70      kristaps  261: static void      print_foot(DECL_ARGS);
1.1       kristaps  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:
1.70      kristaps  317:        bzero(&npair, 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: {
1.94    ! kristaps  350:        char             buf[DATESIZ];
        !           351:        char            *os;
1.1       kristaps  352:
1.9       kristaps  353:        /*
                    354:         * Output the footer in new-groff style, that is, three columns
                    355:         * with the middle being the manual date and flanking columns
                    356:         * being the operating system:
                    357:         *
                    358:         * SYSTEM                  DATE                    SYSTEM
                    359:         */
                    360:
1.1       kristaps  361:        if (NULL == (os = malloc(p->rmargin)))
1.70      kristaps  362:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  363:
1.94    ! kristaps  364:        time2a(m->date, buf, DATESIZ);
1.1       kristaps  365:
1.86      kristaps  366:        (void)strlcpy(os, m->os, p->rmargin);
1.1       kristaps  367:
                    368:        term_vspace(p);
                    369:
1.9       kristaps  370:        p->offset = 0;
                    371:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  372:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    373:
                    374:        term_word(p, os);
                    375:        term_flushln(p);
                    376:
1.9       kristaps  377:        p->offset = p->rmargin;
                    378:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  379:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  380:
                    381:        term_word(p, buf);
                    382:        term_flushln(p);
                    383:
1.1       kristaps  384:        p->offset = p->rmargin;
                    385:        p->rmargin = p->maxrmargin;
                    386:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  387:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  388:
1.9       kristaps  389:        term_word(p, os);
1.1       kristaps  390:        term_flushln(p);
                    391:
1.9       kristaps  392:        p->offset = 0;
                    393:        p->rmargin = p->maxrmargin;
                    394:        p->flags = 0;
                    395:
1.1       kristaps  396:        free(os);
                    397: }
                    398:
                    399:
1.75      kristaps  400: /* FIXME: put in utility library. */
1.70      kristaps  401: /* ARGSUSED */
1.3       kristaps  402: static void
1.70      kristaps  403: print_head(DECL_ARGS)
1.1       kristaps  404: {
                    405:        char            *buf, *title;
                    406:
                    407:        p->rmargin = p->maxrmargin;
                    408:        p->offset = 0;
                    409:
                    410:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  411:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  412:        if (NULL == (title = malloc(p->rmargin)))
1.70      kristaps  413:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  414:
                    415:        /*
                    416:         * The header is strange.  It has three components, which are
                    417:         * really two with the first duplicated.  It goes like this:
                    418:         *
                    419:         * IDENTIFIER              TITLE                   IDENTIFIER
                    420:         *
                    421:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    422:         * (if given, or "unknown" if not) followed by the manual page
                    423:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    424:         * string depending on the manual volume.  If not specified, it
                    425:         * switches on the manual section.
                    426:         */
                    427:
1.86      kristaps  428:        assert(m->vol);
                    429:        (void)strlcpy(buf, m->vol, p->rmargin);
1.1       kristaps  430:
1.86      kristaps  431:        if (m->arch) {
1.1       kristaps  432:                (void)strlcat(buf, " (", p->rmargin);
1.86      kristaps  433:                (void)strlcat(buf, m->arch, p->rmargin);
1.1       kristaps  434:                (void)strlcat(buf, ")", p->rmargin);
                    435:        }
                    436:
1.86      kristaps  437:        snprintf(title, p->rmargin, "%s(%d)", m->title, m->msec);
1.1       kristaps  438:
                    439:        p->offset = 0;
1.8       kristaps  440:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  441:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    442:
                    443:        term_word(p, title);
                    444:        term_flushln(p);
                    445:
                    446:        p->offset = p->rmargin;
                    447:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  448:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  449:
                    450:        term_word(p, buf);
                    451:        term_flushln(p);
                    452:
                    453:        p->offset = p->rmargin;
                    454:        p->rmargin = p->maxrmargin;
                    455:        p->flags &= ~TERMP_NOBREAK;
                    456:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    457:
                    458:        term_word(p, title);
                    459:        term_flushln(p);
                    460:
1.9       kristaps  461:        p->offset = 0;
1.1       kristaps  462:        p->rmargin = p->maxrmargin;
                    463:        p->flags &= ~TERMP_NOSPACE;
                    464:
                    465:        free(title);
                    466:        free(buf);
                    467: }
                    468:
                    469:
                    470: static size_t
1.91      kristaps  471: arg2height(const struct mdoc_node *n)
1.1       kristaps  472: {
1.92      kristaps  473:        struct roffsu    su;
1.91      kristaps  474:
                    475:        assert(MDOC_TEXT == n->type);
                    476:        assert(n->string);
1.92      kristaps  477:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    478:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  479:
1.92      kristaps  480:        return(term_vspan(&su));
1.91      kristaps  481: }
1.1       kristaps  482:
1.40      kristaps  483:
1.91      kristaps  484: static size_t
                    485: arg2width(const struct mdoc_argv *arg, int pos)
                    486: {
1.92      kristaps  487:        struct roffsu    su;
1.1       kristaps  488:
1.91      kristaps  489:        assert(arg->value[pos]);
1.92      kristaps  490:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  491:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  492:
1.93      kristaps  493:        /* XXX: pachemu? */
                    494:        return(term_hspan(&su) + 2);
1.1       kristaps  495: }
                    496:
                    497:
                    498: static int
                    499: arg_listtype(const struct mdoc_node *n)
                    500: {
                    501:        int              i, len;
                    502:
                    503:        assert(MDOC_BLOCK == n->type);
                    504:
                    505:        len = (int)(n->args ? n->args->argc : 0);
                    506:
                    507:        for (i = 0; i < len; i++)
                    508:                switch (n->args->argv[i].arg) {
                    509:                case (MDOC_Bullet):
                    510:                        /* FALLTHROUGH */
                    511:                case (MDOC_Dash):
                    512:                        /* FALLTHROUGH */
                    513:                case (MDOC_Enum):
                    514:                        /* FALLTHROUGH */
                    515:                case (MDOC_Hyphen):
                    516:                        /* FALLTHROUGH */
                    517:                case (MDOC_Tag):
                    518:                        /* FALLTHROUGH */
                    519:                case (MDOC_Inset):
                    520:                        /* FALLTHROUGH */
                    521:                case (MDOC_Diag):
                    522:                        /* FALLTHROUGH */
                    523:                case (MDOC_Item):
                    524:                        /* FALLTHROUGH */
                    525:                case (MDOC_Column):
                    526:                        /* FALLTHROUGH */
1.38      kristaps  527:                case (MDOC_Hang):
                    528:                        /* FALLTHROUGH */
1.1       kristaps  529:                case (MDOC_Ohang):
                    530:                        return(n->args->argv[i].arg);
                    531:                default:
                    532:                        break;
                    533:                }
                    534:
1.38      kristaps  535:        return(-1);
1.1       kristaps  536: }
                    537:
                    538:
                    539: static size_t
1.91      kristaps  540: arg2offs(const struct mdoc_argv *arg)
1.1       kristaps  541: {
1.92      kristaps  542:        struct roffsu    su;
1.1       kristaps  543:
1.91      kristaps  544:        if ('\0' == arg->value[0][0])
                    545:                return(0);
                    546:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  547:                return(0);
1.91      kristaps  548:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  549:                return(INDENT + 1);
1.91      kristaps  550:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  551:                return((INDENT + 1) * 2);
1.92      kristaps  552:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    553:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  554:
1.92      kristaps  555:        return(term_hspan(&su));
1.1       kristaps  556: }
                    557:
                    558:
                    559: static int
                    560: arg_hasattr(int arg, const struct mdoc_node *n)
                    561: {
                    562:
                    563:        return(-1 != arg_getattr(arg, n));
                    564: }
                    565:
                    566:
                    567: static int
                    568: arg_getattr(int v, const struct mdoc_node *n)
                    569: {
                    570:        int              val;
                    571:
                    572:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    573: }
                    574:
                    575:
                    576: static int
                    577: arg_getattrs(const int *keys, int *vals,
                    578:                size_t sz, const struct mdoc_node *n)
                    579: {
                    580:        int              i, j, k;
                    581:
                    582:        if (NULL == n->args)
                    583:                return(0);
                    584:
                    585:        for (k = i = 0; i < (int)n->args->argc; i++)
                    586:                for (j = 0; j < (int)sz; j++)
                    587:                        if (n->args->argv[i].arg == keys[j]) {
                    588:                                vals[j] = i;
                    589:                                k++;
                    590:                        }
                    591:        return(k);
                    592: }
                    593:
                    594:
1.54      kristaps  595: static void
1.91      kristaps  596: print_bvspace(struct termp *p,
1.1       kristaps  597:                const struct mdoc_node *bl,
1.86      kristaps  598:                const struct mdoc_node *n)
1.1       kristaps  599: {
1.86      kristaps  600:        const struct mdoc_node  *nn;
1.1       kristaps  601:
                    602:        term_newln(p);
1.85      kristaps  603:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  604:                return;
                    605:
1.85      kristaps  606:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  607:
1.86      kristaps  608:        for (nn = n; nn; nn = nn->parent) {
                    609:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  610:                        continue;
1.86      kristaps  611:                if (MDOC_Ss == nn->tok)
1.54      kristaps  612:                        return;
1.86      kristaps  613:                if (MDOC_Sh == nn->tok)
1.54      kristaps  614:                        return;
1.86      kristaps  615:                if (NULL == nn->prev)
1.1       kristaps  616:                        continue;
                    617:                break;
                    618:        }
                    619:
1.85      kristaps  620:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  621:
1.59      kristaps  622:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.86      kristaps  623:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  624:                        return;
                    625:
1.85      kristaps  626:        /* A `-diag' without body does not vspace. */
                    627:
1.59      kristaps  628:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.86      kristaps  629:                if (n->prev && MDOC_It == n->prev->tok) {
                    630:                        assert(n->prev->body);
                    631:                        if (NULL == n->prev->body->child)
1.55      kristaps  632:                                return;
                    633:                }
                    634:
1.54      kristaps  635:        term_vspace(p);
1.1       kristaps  636: }
                    637:
                    638:
                    639: /* ARGSUSED */
                    640: static int
                    641: termp_dq_pre(DECL_ARGS)
                    642: {
                    643:
1.86      kristaps  644:        if (MDOC_BODY != n->type)
1.1       kristaps  645:                return(1);
                    646:
                    647:        term_word(p, "\\(lq");
                    648:        p->flags |= TERMP_NOSPACE;
                    649:        return(1);
                    650: }
                    651:
                    652:
                    653: /* ARGSUSED */
                    654: static void
                    655: termp_dq_post(DECL_ARGS)
                    656: {
                    657:
1.86      kristaps  658:        if (MDOC_BODY != n->type)
1.1       kristaps  659:                return;
                    660:
                    661:        p->flags |= TERMP_NOSPACE;
                    662:        term_word(p, "\\(rq");
                    663: }
                    664:
                    665:
                    666: /* ARGSUSED */
                    667: static int
                    668: termp_it_pre(DECL_ARGS)
                    669: {
1.86      kristaps  670:        const struct mdoc_node *bl, *nn;
1.1       kristaps  671:        char                    buf[7];
1.39      kristaps  672:        int                     i, type, keys[3], vals[3];
1.1       kristaps  673:        size_t                  width, offset;
                    674:
1.86      kristaps  675:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  676:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  677:                return(1);
                    678:        }
1.1       kristaps  679:
1.86      kristaps  680:        bl = n->parent->parent->parent;
1.1       kristaps  681:
                    682:        /* Save parent attributes. */
                    683:
                    684:        pair->flag = p->flags;
                    685:
                    686:        /* Get list width and offset. */
                    687:
                    688:        keys[0] = MDOC_Width;
                    689:        keys[1] = MDOC_Offset;
                    690:        keys[2] = MDOC_Column;
                    691:
                    692:        vals[0] = vals[1] = vals[2] = -1;
                    693:
                    694:        width = offset = 0;
                    695:
                    696:        (void)arg_getattrs(keys, vals, 3, bl);
                    697:
                    698:        type = arg_listtype(bl);
1.38      kristaps  699:        assert(-1 != type);
1.1       kristaps  700:
                    701:        /* Calculate real width and offset. */
                    702:
                    703:        switch (type) {
                    704:        case (MDOC_Column):
1.86      kristaps  705:                if (MDOC_BODY == n->type)
1.1       kristaps  706:                        break;
1.58      kristaps  707:                /*
                    708:                 * Work around groff's column handling.  The offset is
                    709:                 * equal to the sum of all widths leading to the current
                    710:                 * column (plus the -offset value).  If this column
                    711:                 * exceeds the stated number of columns, the width is
                    712:                 * set as 0, else it's the stated column width (later
                    713:                 * the 0 will be adjusted to default 10 or, if in the
                    714:                 * last column case, set to stretch to the margin).
                    715:                 */
1.86      kristaps  716:                for (i = 0, nn = n->prev; nn &&
1.78      kristaps  717:                                i < (int)bl->args->argv[vals[2]].sz;
1.86      kristaps  718:                                nn = nn->prev, i++)
1.91      kristaps  719:                        offset += arg2width
1.1       kristaps  720:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  721:
                    722:                /* Whether exceeds maximum column. */
1.78      kristaps  723:                if (i < (int)bl->args->argv[vals[2]].sz)
1.91      kristaps  724:                        width = arg2width(&bl->args->argv[vals[2]], i);
1.58      kristaps  725:                else
                    726:                        width = 0;
                    727:
1.1       kristaps  728:                if (vals[1] >= 0)
1.91      kristaps  729:                        offset += arg2offs(&bl->args->argv[vals[1]]);
1.1       kristaps  730:                break;
                    731:        default:
                    732:                if (vals[0] >= 0)
1.91      kristaps  733:                        width = arg2width(&bl->args->argv[vals[0]], 0);
1.1       kristaps  734:                if (vals[1] >= 0)
1.91      kristaps  735:                        offset += arg2offs(&bl->args->argv[vals[1]]);
1.1       kristaps  736:                break;
                    737:        }
                    738:
                    739:        /*
                    740:         * List-type can override the width in the case of fixed-head
                    741:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  742:         * offset.
1.1       kristaps  743:         */
                    744:
                    745:        switch (type) {
                    746:        case (MDOC_Bullet):
                    747:                /* FALLTHROUGH */
                    748:        case (MDOC_Dash):
                    749:                /* FALLTHROUGH */
                    750:        case (MDOC_Hyphen):
                    751:                if (width < 4)
                    752:                        width = 4;
                    753:                break;
1.17      kristaps  754:        case (MDOC_Enum):
                    755:                if (width < 5)
                    756:                        width = 5;
                    757:                break;
1.38      kristaps  758:        case (MDOC_Hang):
1.39      kristaps  759:                if (0 == width)
                    760:                        width = 8;
                    761:                break;
1.49      kristaps  762:        case (MDOC_Column):
                    763:                /* FALLTHROUGH */
1.1       kristaps  764:        case (MDOC_Tag):
                    765:                if (0 == width)
                    766:                        width = 10;
                    767:                break;
                    768:        default:
                    769:                break;
                    770:        }
                    771:
                    772:        /*
1.17      kristaps  773:         * Whitespace control.  Inset bodies need an initial space,
                    774:         * while diagonal bodies need two.
1.1       kristaps  775:         */
                    776:
1.51      kristaps  777:        p->flags |= TERMP_NOSPACE;
                    778:
1.1       kristaps  779:        switch (type) {
1.51      kristaps  780:        case (MDOC_Diag):
1.86      kristaps  781:                if (MDOC_BODY == n->type)
1.62      kristaps  782:                        term_word(p, "\\ \\ ");
1.51      kristaps  783:                break;
1.1       kristaps  784:        case (MDOC_Inset):
1.86      kristaps  785:                if (MDOC_BODY == n->type)
1.51      kristaps  786:                        term_word(p, "\\ ");
1.1       kristaps  787:                break;
                    788:        default:
                    789:                break;
                    790:        }
                    791:
1.51      kristaps  792:        p->flags |= TERMP_NOSPACE;
                    793:
1.1       kristaps  794:        switch (type) {
                    795:        case (MDOC_Diag):
1.86      kristaps  796:                if (MDOC_HEAD == n->type)
1.69      kristaps  797:                        p->bold++;
1.1       kristaps  798:                break;
                    799:        default:
                    800:                break;
                    801:        }
                    802:
                    803:        /*
                    804:         * Pad and break control.  This is the tricker part.  Lists with
                    805:         * set right-margins for the head get TERMP_NOBREAK because, if
                    806:         * they overrun the margin, they wrap to the new margin.
                    807:         * Correspondingly, the body for these types don't left-pad, as
                    808:         * the head will pad out to to the right.
                    809:         */
                    810:
                    811:        switch (type) {
                    812:        case (MDOC_Bullet):
                    813:                /* FALLTHROUGH */
                    814:        case (MDOC_Dash):
                    815:                /* FALLTHROUGH */
                    816:        case (MDOC_Enum):
                    817:                /* FALLTHROUGH */
                    818:        case (MDOC_Hyphen):
1.86      kristaps  819:                if (MDOC_HEAD == n->type)
1.39      kristaps  820:                        p->flags |= TERMP_NOBREAK;
                    821:                else
                    822:                        p->flags |= TERMP_NOLPAD;
                    823:                break;
1.38      kristaps  824:        case (MDOC_Hang):
1.86      kristaps  825:                if (MDOC_HEAD == n->type)
1.39      kristaps  826:                        p->flags |= TERMP_NOBREAK;
                    827:                else
                    828:                        p->flags |= TERMP_NOLPAD;
                    829:
1.86      kristaps  830:                if (MDOC_HEAD != n->type)
1.59      kristaps  831:                        break;
                    832:
                    833:                /*
                    834:                 * This is ugly.  If `-hang' is specified and the body
                    835:                 * is a `Bl' or `Bd', then we want basically to nullify
                    836:                 * the "overstep" effect in term_flushln() and treat
                    837:                 * this as a `-ohang' list instead.
                    838:                 */
1.86      kristaps  839:                if (n->next->child &&
                    840:                                (MDOC_Bl == n->next->child->tok ||
                    841:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  842:                        p->flags &= ~TERMP_NOBREAK;
                    843:                        p->flags &= ~TERMP_NOLPAD;
                    844:                } else
1.39      kristaps  845:                        p->flags |= TERMP_HANG;
                    846:                break;
1.1       kristaps  847:        case (MDOC_Tag):
1.86      kristaps  848:                if (MDOC_HEAD == n->type)
1.51      kristaps  849:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  850:                else
                    851:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  852:
1.86      kristaps  853:                if (MDOC_HEAD != n->type)
1.39      kristaps  854:                        break;
1.86      kristaps  855:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  856:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  857:                break;
                    858:        case (MDOC_Column):
1.86      kristaps  859:                if (MDOC_HEAD == n->type) {
                    860:                        assert(n->next);
                    861:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  862:                                p->flags &= ~TERMP_NOBREAK;
                    863:                        else
                    864:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  865:                        if (n->prev)
1.1       kristaps  866:                                p->flags |= TERMP_NOLPAD;
                    867:                }
                    868:                break;
                    869:        case (MDOC_Diag):
1.86      kristaps  870:                if (MDOC_HEAD == n->type)
1.1       kristaps  871:                        p->flags |= TERMP_NOBREAK;
                    872:                break;
                    873:        default:
                    874:                break;
                    875:        }
                    876:
                    877:        /*
                    878:         * Margin control.  Set-head-width lists have their right
                    879:         * margins shortened.  The body for these lists has the offset
                    880:         * necessarily lengthened.  Everybody gets the offset.
                    881:         */
                    882:
                    883:        p->offset += offset;
                    884:
                    885:        switch (type) {
1.59      kristaps  886:        case (MDOC_Hang):
                    887:                /*
                    888:                 * Same stipulation as above, regarding `-hang'.  We
                    889:                 * don't want to recalculate rmargin and offsets when
                    890:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    891:                 */
1.86      kristaps  892:                if (MDOC_HEAD == n->type && n->next->child &&
                    893:                                (MDOC_Bl == n->next->child->tok ||
                    894:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  895:                        break;
                    896:                /* FALLTHROUGH */
1.1       kristaps  897:        case (MDOC_Bullet):
                    898:                /* FALLTHROUGH */
                    899:        case (MDOC_Dash):
                    900:                /* FALLTHROUGH */
                    901:        case (MDOC_Enum):
                    902:                /* FALLTHROUGH */
                    903:        case (MDOC_Hyphen):
                    904:                /* FALLTHROUGH */
                    905:        case (MDOC_Tag):
1.49      kristaps  906:                assert(width);
1.86      kristaps  907:                if (MDOC_HEAD == n->type)
1.1       kristaps  908:                        p->rmargin = p->offset + width;
                    909:                else
                    910:                        p->offset += width;
                    911:                break;
                    912:        case (MDOC_Column):
1.49      kristaps  913:                assert(width);
1.1       kristaps  914:                p->rmargin = p->offset + width;
1.50      kristaps  915:                /*
                    916:                 * XXX - this behaviour is not documented: the
                    917:                 * right-most column is filled to the right margin.
                    918:                 */
1.86      kristaps  919:                if (MDOC_HEAD == n->type &&
                    920:                                MDOC_BODY == n->next->type)
1.50      kristaps  921:                        p->rmargin = p->maxrmargin;
1.1       kristaps  922:                break;
                    923:        default:
                    924:                break;
                    925:        }
                    926:
                    927:        /*
                    928:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  929:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  930:         */
                    931:
1.86      kristaps  932:        if (MDOC_HEAD == n->type)
1.1       kristaps  933:                switch (type) {
                    934:                case (MDOC_Bullet):
1.69      kristaps  935:                        p->bold++;
1.1       kristaps  936:                        term_word(p, "\\[bu]");
1.69      kristaps  937:                        p->bold--;
1.1       kristaps  938:                        break;
                    939:                case (MDOC_Dash):
                    940:                        /* FALLTHROUGH */
                    941:                case (MDOC_Hyphen):
1.69      kristaps  942:                        p->bold++;
1.27      kristaps  943:                        term_word(p, "\\(hy");
1.69      kristaps  944:                        p->bold--;
1.1       kristaps  945:                        break;
                    946:                case (MDOC_Enum):
                    947:                        (pair->ppair->ppair->count)++;
                    948:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    949:                                        pair->ppair->ppair->count);
                    950:                        term_word(p, buf);
                    951:                        break;
                    952:                default:
                    953:                        break;
                    954:                }
                    955:
                    956:        /*
                    957:         * If we're not going to process our children, indicate so here.
                    958:         */
                    959:
                    960:        switch (type) {
                    961:        case (MDOC_Bullet):
                    962:                /* FALLTHROUGH */
                    963:        case (MDOC_Item):
                    964:                /* FALLTHROUGH */
                    965:        case (MDOC_Dash):
                    966:                /* FALLTHROUGH */
                    967:        case (MDOC_Hyphen):
                    968:                /* FALLTHROUGH */
                    969:        case (MDOC_Enum):
1.86      kristaps  970:                if (MDOC_HEAD == n->type)
1.1       kristaps  971:                        return(0);
                    972:                break;
                    973:        case (MDOC_Column):
1.86      kristaps  974:                if (MDOC_BODY == n->type)
1.1       kristaps  975:                        return(0);
                    976:                break;
                    977:        default:
                    978:                break;
                    979:        }
                    980:
                    981:        return(1);
                    982: }
                    983:
                    984:
                    985: /* ARGSUSED */
                    986: static void
                    987: termp_it_post(DECL_ARGS)
                    988: {
                    989:        int                type;
                    990:
1.86      kristaps  991:        if (MDOC_BODY != n->type && MDOC_HEAD != n->type)
1.1       kristaps  992:                return;
                    993:
1.86      kristaps  994:        type = arg_listtype(n->parent->parent->parent);
1.38      kristaps  995:        assert(-1 != type);
1.1       kristaps  996:
                    997:        switch (type) {
                    998:        case (MDOC_Item):
                    999:                /* FALLTHROUGH */
1.53      kristaps 1000:        case (MDOC_Diag):
                   1001:                /* FALLTHROUGH */
1.1       kristaps 1002:        case (MDOC_Inset):
1.86      kristaps 1003:                if (MDOC_BODY == n->type)
1.1       kristaps 1004:                        term_flushln(p);
                   1005:                break;
                   1006:        case (MDOC_Column):
1.86      kristaps 1007:                if (MDOC_HEAD == n->type)
1.1       kristaps 1008:                        term_flushln(p);
                   1009:                break;
                   1010:        default:
                   1011:                term_flushln(p);
                   1012:                break;
                   1013:        }
                   1014:
                   1015:        p->flags = pair->flag;
                   1016: }
                   1017:
                   1018:
                   1019: /* ARGSUSED */
                   1020: static int
                   1021: termp_nm_pre(DECL_ARGS)
                   1022: {
                   1023:
1.86      kristaps 1024:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1025:                term_newln(p);
1.69      kristaps 1026:        p->bold++;
1.86      kristaps 1027:        if (NULL == n->child)
                   1028:                term_word(p, m->name);
1.1       kristaps 1029:        return(1);
                   1030: }
                   1031:
                   1032:
                   1033: /* ARGSUSED */
                   1034: static int
                   1035: termp_fl_pre(DECL_ARGS)
                   1036: {
                   1037:
1.69      kristaps 1038:        p->bold++;
1.1       kristaps 1039:        term_word(p, "\\-");
                   1040:        p->flags |= TERMP_NOSPACE;
                   1041:        return(1);
                   1042: }
                   1043:
                   1044:
                   1045: /* ARGSUSED */
                   1046: static int
1.61      kristaps 1047: termp_an_pre(DECL_ARGS)
                   1048: {
                   1049:
1.86      kristaps 1050:        if (NULL == n->child)
1.61      kristaps 1051:                return(1);
                   1052:
                   1053:        /*
1.85      kristaps 1054:         * If not in the AUTHORS section, `An -split' will cause
                   1055:         * newlines to occur before the author name.  If in the AUTHORS
                   1056:         * section, by default, the first `An' invocation is nosplit,
                   1057:         * then all subsequent ones, regardless of whether interspersed
                   1058:         * with other macros/text, are split.  -split, in this case,
                   1059:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1060:         */
                   1061:
1.86      kristaps 1062:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1063:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1064:                        if (TERMP_SPLIT & p->flags)
                   1065:                                term_newln(p);
                   1066:                        return(1);
                   1067:                }
                   1068:                if (TERMP_NOSPLIT & p->flags)
                   1069:                        return(1);
                   1070:                term_newln(p);
                   1071:                return(1);
                   1072:        }
                   1073:
                   1074:        if (TERMP_SPLIT & p->flags)
                   1075:                term_newln(p);
                   1076:
                   1077:        return(1);
                   1078: }
                   1079:
                   1080:
                   1081: /* ARGSUSED */
                   1082: static void
                   1083: termp_an_post(DECL_ARGS)
                   1084: {
                   1085:
1.86      kristaps 1086:        if (n->child) {
                   1087:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1088:                        p->flags |= TERMP_ANPREC;
                   1089:                return;
                   1090:        }
                   1091:
1.86      kristaps 1092:        if (arg_getattr(MDOC_Split, n) > -1) {
1.61      kristaps 1093:                p->flags &= ~TERMP_NOSPLIT;
                   1094:                p->flags |= TERMP_SPLIT;
                   1095:        } else {
                   1096:                p->flags &= ~TERMP_SPLIT;
                   1097:                p->flags |= TERMP_NOSPLIT;
                   1098:        }
                   1099:
                   1100: }
                   1101:
                   1102:
                   1103: /* ARGSUSED */
                   1104: static int
1.1       kristaps 1105: termp_ns_pre(DECL_ARGS)
                   1106: {
                   1107:
                   1108:        p->flags |= TERMP_NOSPACE;
                   1109:        return(1);
                   1110: }
                   1111:
                   1112:
                   1113: /* ARGSUSED */
                   1114: static int
                   1115: termp_rs_pre(DECL_ARGS)
                   1116: {
                   1117:
1.86      kristaps 1118:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1119:                return(1);
1.86      kristaps 1120:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1121:                term_vspace(p);
                   1122:        return(1);
                   1123: }
                   1124:
                   1125:
                   1126: /* ARGSUSED */
                   1127: static int
                   1128: termp_rv_pre(DECL_ARGS)
                   1129: {
1.68      kristaps 1130:        const struct mdoc_node  *nn;
1.1       kristaps 1131:
                   1132:        term_newln(p);
                   1133:        term_word(p, "The");
                   1134:
1.86      kristaps 1135:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1136:                p->bold++;
1.68      kristaps 1137:                term_word(p, nn->string);
1.69      kristaps 1138:                p->bold--;
1.68      kristaps 1139:                p->flags |= TERMP_NOSPACE;
                   1140:                if (nn->next && NULL == nn->next->next)
                   1141:                        term_word(p, "(), and");
                   1142:                else if (nn->next)
                   1143:                        term_word(p, "(),");
                   1144:                else
                   1145:                        term_word(p, "()");
                   1146:        }
                   1147:
1.86      kristaps 1148:        if (n->child->next)
1.68      kristaps 1149:                term_word(p, "functions return");
                   1150:        else
                   1151:                term_word(p, "function returns");
1.1       kristaps 1152:
1.68      kristaps 1153:                term_word(p, "the value 0 if successful; otherwise the value "
                   1154:                        "-1 is returned and the global variable");
1.1       kristaps 1155:
1.69      kristaps 1156:        p->under++;
1.1       kristaps 1157:        term_word(p, "errno");
1.69      kristaps 1158:        p->under--;
1.1       kristaps 1159:
                   1160:                term_word(p, "is set to indicate the error.");
                   1161:
1.68      kristaps 1162:        return(0);
1.1       kristaps 1163: }
                   1164:
                   1165:
                   1166: /* ARGSUSED */
                   1167: static int
                   1168: termp_ex_pre(DECL_ARGS)
                   1169: {
1.68      kristaps 1170:        const struct mdoc_node  *nn;
1.1       kristaps 1171:
1.68      kristaps 1172:        term_word(p, "The");
1.1       kristaps 1173:
1.86      kristaps 1174:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1175:                p->bold++;
1.68      kristaps 1176:                term_word(p, nn->string);
1.69      kristaps 1177:                p->bold--;
1.68      kristaps 1178:                p->flags |= TERMP_NOSPACE;
                   1179:                if (nn->next && NULL == nn->next->next)
                   1180:                        term_word(p, ", and");
                   1181:                else if (nn->next)
                   1182:                        term_word(p, ",");
                   1183:                else
                   1184:                        p->flags &= ~TERMP_NOSPACE;
                   1185:        }
                   1186:
1.86      kristaps 1187:        if (n->child->next)
1.68      kristaps 1188:                term_word(p, "utilities exit");
                   1189:        else
                   1190:                term_word(p, "utility exits");
                   1191:
                   1192:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1193:
1.68      kristaps 1194:        return(0);
1.1       kristaps 1195: }
                   1196:
                   1197:
                   1198: /* ARGSUSED */
                   1199: static int
                   1200: termp_nd_pre(DECL_ARGS)
                   1201: {
1.25      kristaps 1202:
1.86      kristaps 1203:        if (MDOC_BODY != n->type)
1.25      kristaps 1204:                return(1);
1.30      kristaps 1205:
1.27      kristaps 1206: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1207:        term_word(p, "\\(en");
1.23      kristaps 1208: #else
                   1209:        term_word(p, "\\(em");
                   1210: #endif
1.1       kristaps 1211:        return(1);
                   1212: }
                   1213:
                   1214:
                   1215: /* ARGSUSED */
                   1216: static void
                   1217: termp_bl_post(DECL_ARGS)
                   1218: {
                   1219:
1.86      kristaps 1220:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1221:                term_newln(p);
                   1222: }
                   1223:
                   1224:
                   1225: /* ARGSUSED */
                   1226: static void
                   1227: termp_op_post(DECL_ARGS)
                   1228: {
                   1229:
1.86      kristaps 1230:        if (MDOC_BODY != n->type)
1.1       kristaps 1231:                return;
                   1232:        p->flags |= TERMP_NOSPACE;
                   1233:        term_word(p, "\\(rB");
                   1234: }
                   1235:
                   1236:
                   1237: /* ARGSUSED */
                   1238: static int
                   1239: termp_xr_pre(DECL_ARGS)
                   1240: {
1.86      kristaps 1241:        const struct mdoc_node *nn;
1.1       kristaps 1242:
1.86      kristaps 1243:        assert(n->child && MDOC_TEXT == n->child->type);
                   1244:        nn = n->child;
1.11      kristaps 1245:
1.86      kristaps 1246:        term_word(p, nn->string);
                   1247:        if (NULL == (nn = nn->next))
1.1       kristaps 1248:                return(0);
                   1249:        p->flags |= TERMP_NOSPACE;
                   1250:        term_word(p, "(");
                   1251:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1252:        term_word(p, nn->string);
1.1       kristaps 1253:        p->flags |= TERMP_NOSPACE;
                   1254:        term_word(p, ")");
1.86      kristaps 1255:
1.1       kristaps 1256:        return(0);
                   1257: }
                   1258:
                   1259:
                   1260: /* ARGSUSED */
                   1261: static void
                   1262: termp_vt_post(DECL_ARGS)
                   1263: {
                   1264:
1.86      kristaps 1265:        if (n->sec != SEC_SYNOPSIS)
1.32      kristaps 1266:                return;
1.86      kristaps 1267:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1268:                term_newln(p);
1.86      kristaps 1269:        else if (n->next)
1.1       kristaps 1270:                term_vspace(p);
                   1271: }
                   1272:
                   1273:
                   1274: /* ARGSUSED */
                   1275: static int
1.69      kristaps 1276: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1277: {
                   1278:
1.69      kristaps 1279:        p->bold++;
1.1       kristaps 1280:        return(1);
                   1281: }
                   1282:
                   1283:
                   1284: /* ARGSUSED */
                   1285: static void
                   1286: termp_fd_post(DECL_ARGS)
                   1287: {
                   1288:
1.86      kristaps 1289:        if (n->sec != SEC_SYNOPSIS)
1.1       kristaps 1290:                return;
1.29      kristaps 1291:
1.1       kristaps 1292:        term_newln(p);
1.86      kristaps 1293:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1294:                term_vspace(p);
                   1295: }
                   1296:
                   1297:
                   1298: /* ARGSUSED */
                   1299: static int
                   1300: termp_sh_pre(DECL_ARGS)
                   1301: {
1.85      kristaps 1302:
                   1303:        /* No vspace between consecutive `Sh' calls. */
                   1304:
1.86      kristaps 1305:        switch (n->type) {
1.65      kristaps 1306:        case (MDOC_BLOCK):
1.86      kristaps 1307:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1308:                        if (NULL == n->prev->body->child)
1.65      kristaps 1309:                                break;
                   1310:                term_vspace(p);
                   1311:                break;
1.1       kristaps 1312:        case (MDOC_HEAD):
1.69      kristaps 1313:                p->bold++;
1.1       kristaps 1314:                break;
                   1315:        case (MDOC_BODY):
                   1316:                p->offset = INDENT;
                   1317:                break;
                   1318:        default:
                   1319:                break;
                   1320:        }
                   1321:        return(1);
                   1322: }
                   1323:
                   1324:
                   1325: /* ARGSUSED */
                   1326: static void
                   1327: termp_sh_post(DECL_ARGS)
                   1328: {
                   1329:
1.86      kristaps 1330:        switch (n->type) {
1.1       kristaps 1331:        case (MDOC_HEAD):
                   1332:                term_newln(p);
                   1333:                break;
                   1334:        case (MDOC_BODY):
                   1335:                term_newln(p);
                   1336:                p->offset = 0;
                   1337:                break;
                   1338:        default:
                   1339:                break;
                   1340:        }
                   1341: }
                   1342:
                   1343:
                   1344: /* ARGSUSED */
                   1345: static int
                   1346: termp_op_pre(DECL_ARGS)
                   1347: {
                   1348:
1.86      kristaps 1349:        switch (n->type) {
1.1       kristaps 1350:        case (MDOC_BODY):
                   1351:                term_word(p, "\\(lB");
                   1352:                p->flags |= TERMP_NOSPACE;
                   1353:                break;
                   1354:        default:
                   1355:                break;
                   1356:        }
                   1357:        return(1);
                   1358: }
                   1359:
                   1360:
                   1361: /* ARGSUSED */
                   1362: static int
                   1363: termp_bt_pre(DECL_ARGS)
                   1364: {
                   1365:
                   1366:        term_word(p, "is currently in beta test.");
1.81      kristaps 1367:        return(0);
1.1       kristaps 1368: }
                   1369:
                   1370:
                   1371: /* ARGSUSED */
                   1372: static void
                   1373: termp_lb_post(DECL_ARGS)
                   1374: {
                   1375:
1.86      kristaps 1376:        if (SEC_LIBRARY == n->sec)
1.81      kristaps 1377:                term_newln(p);
1.1       kristaps 1378: }
                   1379:
                   1380:
                   1381: /* ARGSUSED */
                   1382: static int
                   1383: termp_ud_pre(DECL_ARGS)
                   1384: {
                   1385:
                   1386:        term_word(p, "currently under development.");
1.86      kristaps 1387:        return(0);
1.1       kristaps 1388: }
                   1389:
                   1390:
                   1391: /* ARGSUSED */
                   1392: static int
                   1393: termp_d1_pre(DECL_ARGS)
                   1394: {
                   1395:
1.86      kristaps 1396:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1397:                return(1);
                   1398:        term_newln(p);
1.29      kristaps 1399:        p->offset += (INDENT + 1);
1.1       kristaps 1400:        return(1);
                   1401: }
                   1402:
                   1403:
                   1404: /* ARGSUSED */
                   1405: static void
                   1406: termp_d1_post(DECL_ARGS)
                   1407: {
                   1408:
1.86      kristaps 1409:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1410:                return;
                   1411:        term_newln(p);
                   1412: }
                   1413:
                   1414:
                   1415: /* ARGSUSED */
                   1416: static int
                   1417: termp_aq_pre(DECL_ARGS)
                   1418: {
                   1419:
1.86      kristaps 1420:        if (MDOC_BODY != n->type)
1.1       kristaps 1421:                return(1);
                   1422:        term_word(p, "\\(la");
                   1423:        p->flags |= TERMP_NOSPACE;
                   1424:        return(1);
                   1425: }
                   1426:
                   1427:
                   1428: /* ARGSUSED */
                   1429: static void
                   1430: termp_aq_post(DECL_ARGS)
                   1431: {
                   1432:
1.86      kristaps 1433:        if (MDOC_BODY != n->type)
1.1       kristaps 1434:                return;
                   1435:        p->flags |= TERMP_NOSPACE;
                   1436:        term_word(p, "\\(ra");
                   1437: }
                   1438:
                   1439:
                   1440: /* ARGSUSED */
                   1441: static int
                   1442: termp_ft_pre(DECL_ARGS)
                   1443: {
                   1444:
1.86      kristaps 1445:        if (SEC_SYNOPSIS == n->sec)
                   1446:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1447:                        term_vspace(p);
1.69      kristaps 1448:        p->under++;
1.1       kristaps 1449:        return(1);
                   1450: }
                   1451:
                   1452:
                   1453: /* ARGSUSED */
                   1454: static void
                   1455: termp_ft_post(DECL_ARGS)
                   1456: {
                   1457:
1.86      kristaps 1458:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1459:                term_newln(p);
                   1460: }
                   1461:
                   1462:
                   1463: /* ARGSUSED */
                   1464: static int
                   1465: termp_fn_pre(DECL_ARGS)
                   1466: {
1.86      kristaps 1467:        const struct mdoc_node  *nn;
1.1       kristaps 1468:
1.69      kristaps 1469:        p->bold++;
1.86      kristaps 1470:        term_word(p, n->child->string);
1.69      kristaps 1471:        p->bold--;
1.1       kristaps 1472:
                   1473:        p->flags |= TERMP_NOSPACE;
                   1474:        term_word(p, "(");
                   1475:
1.86      kristaps 1476:        for (nn = n->child->next; nn; nn = nn->next) {
1.69      kristaps 1477:                p->under++;
1.86      kristaps 1478:                term_word(p, nn->string);
1.69      kristaps 1479:                p->under--;
1.86      kristaps 1480:                if (nn->next)
1.1       kristaps 1481:                        term_word(p, ",");
                   1482:        }
                   1483:
                   1484:        term_word(p, ")");
                   1485:
1.86      kristaps 1486:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1487:                term_word(p, ";");
                   1488:
                   1489:        return(0);
                   1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static void
                   1495: termp_fn_post(DECL_ARGS)
                   1496: {
                   1497:
1.86      kristaps 1498:        if (n->sec == SEC_SYNOPSIS && n->next)
1.1       kristaps 1499:                term_vspace(p);
                   1500: }
                   1501:
                   1502:
                   1503: /* ARGSUSED */
                   1504: static int
                   1505: termp_fa_pre(DECL_ARGS)
                   1506: {
1.86      kristaps 1507:        const struct mdoc_node  *nn;
1.1       kristaps 1508:
1.86      kristaps 1509:        if (n->parent->tok != MDOC_Fo) {
1.69      kristaps 1510:                p->under++;
1.1       kristaps 1511:                return(1);
                   1512:        }
                   1513:
1.86      kristaps 1514:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1515:                p->under++;
1.86      kristaps 1516:                term_word(p, nn->string);
1.69      kristaps 1517:                p->under--;
1.86      kristaps 1518:                if (nn->next)
1.1       kristaps 1519:                        term_word(p, ",");
                   1520:        }
                   1521:
1.86      kristaps 1522:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1523:                term_word(p, ",");
                   1524:
                   1525:        return(0);
                   1526: }
                   1527:
                   1528:
                   1529: /* ARGSUSED */
                   1530: static int
                   1531: termp_bd_pre(DECL_ARGS)
                   1532: {
1.85      kristaps 1533:        int                      i, type;
                   1534:        const struct mdoc_node  *nn;
1.1       kristaps 1535:
1.86      kristaps 1536:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1537:                print_bvspace(p, n, n);
1.54      kristaps 1538:                return(1);
1.86      kristaps 1539:        } else if (MDOC_BODY != n->type)
1.1       kristaps 1540:                return(1);
                   1541:
1.86      kristaps 1542:        nn = n->parent;
1.11      kristaps 1543:
1.85      kristaps 1544:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
                   1545:                switch (nn->args->argv[i].arg) {
1.90      kristaps 1546:                case (MDOC_Centred):
                   1547:                        /* FALLTHROUGH */
1.1       kristaps 1548:                case (MDOC_Ragged):
                   1549:                        /* FALLTHROUGH */
                   1550:                case (MDOC_Filled):
                   1551:                        /* FALLTHROUGH */
                   1552:                case (MDOC_Unfilled):
                   1553:                        /* FALLTHROUGH */
                   1554:                case (MDOC_Literal):
1.85      kristaps 1555:                        type = nn->args->argv[i].arg;
                   1556:                        break;
                   1557:                case (MDOC_Offset):
1.91      kristaps 1558:                        p->offset += arg2offs(&nn->args->argv[i]);
1.1       kristaps 1559:                        break;
                   1560:                default:
                   1561:                        break;
                   1562:                }
                   1563:        }
1.85      kristaps 1564:
                   1565:        /*
                   1566:         * If -ragged or -filled are specified, the block does nothing
                   1567:         * but change the indentation.  If -unfilled or -literal are
                   1568:         * specified, text is printed exactly as entered in the display:
                   1569:         * for macro lines, a newline is appended to the line.  Blank
                   1570:         * lines are allowed.
                   1571:         */
1.60      kristaps 1572:
                   1573:        assert(type > -1);
1.85      kristaps 1574:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1575:                return(1);
                   1576:
1.86      kristaps 1577:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1578:                p->flags |= TERMP_NOSPACE;
1.86      kristaps 1579:                print_node(p, pair, m, nn);
1.85      kristaps 1580:                if (NULL == nn->next)
                   1581:                        continue;
                   1582:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1583:                        term_flushln(p);
1.87      kristaps 1584:                else if (NULL == nn->prev)
                   1585:                        term_flushln(p);
1.1       kristaps 1586:        }
                   1587:
                   1588:        return(0);
                   1589: }
                   1590:
                   1591:
                   1592: /* ARGSUSED */
                   1593: static void
                   1594: termp_bd_post(DECL_ARGS)
                   1595: {
                   1596:
1.86      kristaps 1597:        if (MDOC_BODY != n->type)
1.1       kristaps 1598:                return;
1.60      kristaps 1599:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1600:        term_flushln(p);
                   1601: }
                   1602:
                   1603:
                   1604: /* ARGSUSED */
                   1605: static int
                   1606: termp_qq_pre(DECL_ARGS)
                   1607: {
                   1608:
1.86      kristaps 1609:        if (MDOC_BODY != n->type)
1.1       kristaps 1610:                return(1);
                   1611:        term_word(p, "\"");
                   1612:        p->flags |= TERMP_NOSPACE;
                   1613:        return(1);
                   1614: }
                   1615:
                   1616:
                   1617: /* ARGSUSED */
                   1618: static void
                   1619: termp_qq_post(DECL_ARGS)
                   1620: {
                   1621:
1.86      kristaps 1622:        if (MDOC_BODY != n->type)
1.1       kristaps 1623:                return;
                   1624:        p->flags |= TERMP_NOSPACE;
                   1625:        term_word(p, "\"");
                   1626: }
                   1627:
                   1628:
                   1629: /* ARGSUSED */
                   1630: static void
                   1631: termp_bx_post(DECL_ARGS)
                   1632: {
                   1633:
1.86      kristaps 1634:        if (n->child)
1.1       kristaps 1635:                p->flags |= TERMP_NOSPACE;
                   1636:        term_word(p, "BSD");
                   1637: }
                   1638:
                   1639:
                   1640: /* ARGSUSED */
                   1641: static int
1.26      kristaps 1642: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1643: {
1.26      kristaps 1644:        const char      *pp;
1.1       kristaps 1645:
1.26      kristaps 1646:        pp = NULL;
1.86      kristaps 1647:        switch (n->tok) {
1.26      kristaps 1648:        case (MDOC_Bsx):
                   1649:                pp = "BSDI BSD/OS";
                   1650:                break;
                   1651:        case (MDOC_Dx):
                   1652:                pp = "DragonFlyBSD";
                   1653:                break;
                   1654:        case (MDOC_Fx):
                   1655:                pp = "FreeBSD";
                   1656:                break;
                   1657:        case (MDOC_Nx):
                   1658:                pp = "NetBSD";
                   1659:                break;
                   1660:        case (MDOC_Ox):
                   1661:                pp = "OpenBSD";
                   1662:                break;
                   1663:        case (MDOC_Ux):
                   1664:                pp = "UNIX";
                   1665:                break;
                   1666:        default:
                   1667:                break;
                   1668:        }
1.1       kristaps 1669:
1.26      kristaps 1670:        assert(pp);
                   1671:        term_word(p, pp);
1.1       kristaps 1672:        return(1);
                   1673: }
                   1674:
                   1675:
                   1676: /* ARGSUSED */
                   1677: static int
                   1678: termp_sq_pre(DECL_ARGS)
                   1679: {
                   1680:
1.86      kristaps 1681:        if (MDOC_BODY != n->type)
1.1       kristaps 1682:                return(1);
                   1683:        term_word(p, "\\(oq");
                   1684:        p->flags |= TERMP_NOSPACE;
                   1685:        return(1);
                   1686: }
                   1687:
                   1688:
                   1689: /* ARGSUSED */
                   1690: static void
                   1691: termp_sq_post(DECL_ARGS)
                   1692: {
                   1693:
1.86      kristaps 1694:        if (MDOC_BODY != n->type)
1.1       kristaps 1695:                return;
                   1696:        p->flags |= TERMP_NOSPACE;
                   1697:        term_word(p, "\\(aq");
                   1698: }
                   1699:
                   1700:
                   1701: /* ARGSUSED */
                   1702: static int
                   1703: termp_pf_pre(DECL_ARGS)
                   1704: {
                   1705:
                   1706:        p->flags |= TERMP_IGNDELIM;
                   1707:        return(1);
                   1708: }
                   1709:
                   1710:
                   1711: /* ARGSUSED */
                   1712: static void
                   1713: termp_pf_post(DECL_ARGS)
                   1714: {
                   1715:
                   1716:        p->flags &= ~TERMP_IGNDELIM;
                   1717:        p->flags |= TERMP_NOSPACE;
                   1718: }
                   1719:
                   1720:
                   1721: /* ARGSUSED */
                   1722: static int
                   1723: termp_ss_pre(DECL_ARGS)
                   1724: {
                   1725:
1.86      kristaps 1726:        switch (n->type) {
1.1       kristaps 1727:        case (MDOC_BLOCK):
                   1728:                term_newln(p);
1.86      kristaps 1729:                if (n->prev)
1.1       kristaps 1730:                        term_vspace(p);
                   1731:                break;
                   1732:        case (MDOC_HEAD):
1.69      kristaps 1733:                p->bold++;
1.5       kristaps 1734:                p->offset = HALFINDENT;
1.1       kristaps 1735:                break;
                   1736:        default:
                   1737:                break;
                   1738:        }
                   1739:
                   1740:        return(1);
                   1741: }
                   1742:
                   1743:
                   1744: /* ARGSUSED */
                   1745: static void
                   1746: termp_ss_post(DECL_ARGS)
                   1747: {
                   1748:
1.86      kristaps 1749:        if (MDOC_HEAD == n->type)
1.1       kristaps 1750:                term_newln(p);
                   1751: }
                   1752:
                   1753:
                   1754: /* ARGSUSED */
                   1755: static int
                   1756: termp_cd_pre(DECL_ARGS)
                   1757: {
                   1758:
1.69      kristaps 1759:        p->bold++;
1.1       kristaps 1760:        term_newln(p);
                   1761:        return(1);
                   1762: }
                   1763:
                   1764:
                   1765: /* ARGSUSED */
                   1766: static int
                   1767: termp_in_pre(DECL_ARGS)
                   1768: {
                   1769:
1.69      kristaps 1770:        p->bold++;
1.86      kristaps 1771:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1772:                term_word(p, "#include");
                   1773:
1.1       kristaps 1774:        term_word(p, "<");
                   1775:        p->flags |= TERMP_NOSPACE;
                   1776:        return(1);
                   1777: }
                   1778:
                   1779:
                   1780: /* ARGSUSED */
                   1781: static void
                   1782: termp_in_post(DECL_ARGS)
                   1783: {
                   1784:
1.69      kristaps 1785:        p->bold++;
1.79      kristaps 1786:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1787:        term_word(p, ">");
1.69      kristaps 1788:        p->bold--;
1.1       kristaps 1789:
1.86      kristaps 1790:        if (SEC_SYNOPSIS != n->sec)
1.1       kristaps 1791:                return;
1.22      kristaps 1792:
                   1793:        term_newln(p);
                   1794:        /*
                   1795:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1796:         * the SYNOPSIS section, then it produces a single break after
                   1797:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1798:         * construction is rarely used, I think it's fine.
                   1799:         */
1.86      kristaps 1800:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1801:                term_vspace(p);
                   1802: }
                   1803:
                   1804:
                   1805: /* ARGSUSED */
                   1806: static int
1.45      kristaps 1807: termp_sp_pre(DECL_ARGS)
                   1808: {
1.91      kristaps 1809:        size_t           i, len;
1.45      kristaps 1810:
1.86      kristaps 1811:        switch (n->tok) {
1.76      kristaps 1812:        case (MDOC_sp):
1.91      kristaps 1813:                len = n->child ? arg2height(n->child) : 1;
1.76      kristaps 1814:                break;
                   1815:        case (MDOC_br):
                   1816:                len = 0;
                   1817:                break;
                   1818:        default:
                   1819:                len = 1;
                   1820:                break;
1.45      kristaps 1821:        }
                   1822:
                   1823:        if (0 == len)
                   1824:                term_newln(p);
                   1825:        for (i = 0; i < len; i++)
                   1826:                term_vspace(p);
                   1827:
                   1828:        return(0);
                   1829: }
                   1830:
                   1831:
                   1832: /* ARGSUSED */
                   1833: static int
1.1       kristaps 1834: termp_brq_pre(DECL_ARGS)
                   1835: {
                   1836:
1.86      kristaps 1837:        if (MDOC_BODY != n->type)
1.1       kristaps 1838:                return(1);
                   1839:        term_word(p, "\\(lC");
                   1840:        p->flags |= TERMP_NOSPACE;
                   1841:        return(1);
                   1842: }
                   1843:
                   1844:
                   1845: /* ARGSUSED */
                   1846: static void
                   1847: termp_brq_post(DECL_ARGS)
                   1848: {
                   1849:
1.86      kristaps 1850:        if (MDOC_BODY != n->type)
1.1       kristaps 1851:                return;
                   1852:        p->flags |= TERMP_NOSPACE;
                   1853:        term_word(p, "\\(rC");
                   1854: }
                   1855:
                   1856:
                   1857: /* ARGSUSED */
                   1858: static int
                   1859: termp_bq_pre(DECL_ARGS)
                   1860: {
                   1861:
1.86      kristaps 1862:        if (MDOC_BODY != n->type)
1.1       kristaps 1863:                return(1);
                   1864:        term_word(p, "\\(lB");
                   1865:        p->flags |= TERMP_NOSPACE;
                   1866:        return(1);
                   1867: }
                   1868:
                   1869:
                   1870: /* ARGSUSED */
                   1871: static void
                   1872: termp_bq_post(DECL_ARGS)
                   1873: {
                   1874:
1.86      kristaps 1875:        if (MDOC_BODY != n->type)
1.1       kristaps 1876:                return;
                   1877:        p->flags |= TERMP_NOSPACE;
                   1878:        term_word(p, "\\(rB");
                   1879: }
                   1880:
                   1881:
                   1882: /* ARGSUSED */
                   1883: static int
                   1884: termp_pq_pre(DECL_ARGS)
                   1885: {
                   1886:
1.86      kristaps 1887:        if (MDOC_BODY != n->type)
1.1       kristaps 1888:                return(1);
                   1889:        term_word(p, "\\&(");
                   1890:        p->flags |= TERMP_NOSPACE;
                   1891:        return(1);
                   1892: }
                   1893:
                   1894:
                   1895: /* ARGSUSED */
                   1896: static void
                   1897: termp_pq_post(DECL_ARGS)
                   1898: {
                   1899:
1.86      kristaps 1900:        if (MDOC_BODY != n->type)
1.1       kristaps 1901:                return;
                   1902:        term_word(p, ")");
                   1903: }
                   1904:
                   1905:
                   1906: /* ARGSUSED */
                   1907: static int
                   1908: termp_fo_pre(DECL_ARGS)
                   1909: {
1.86      kristaps 1910:        const struct mdoc_node *nn;
1.1       kristaps 1911:
1.86      kristaps 1912:        if (MDOC_BODY == n->type) {
1.33      kristaps 1913:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1914:                term_word(p, "(");
                   1915:                p->flags |= TERMP_NOSPACE;
                   1916:                return(1);
1.86      kristaps 1917:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1918:                return(1);
                   1919:
1.69      kristaps 1920:        p->bold++;
1.86      kristaps 1921:        for (nn = n->child; nn; nn = nn->next) {
                   1922:                assert(MDOC_TEXT == nn->type);
                   1923:                term_word(p, nn->string);
1.1       kristaps 1924:        }
1.69      kristaps 1925:        p->bold--;
1.1       kristaps 1926:
                   1927:        return(0);
                   1928: }
                   1929:
                   1930:
                   1931: /* ARGSUSED */
                   1932: static void
                   1933: termp_fo_post(DECL_ARGS)
                   1934: {
                   1935:
1.86      kristaps 1936:        if (MDOC_BODY != n->type)
1.1       kristaps 1937:                return;
                   1938:        p->flags |= TERMP_NOSPACE;
                   1939:        term_word(p, ")");
                   1940:        p->flags |= TERMP_NOSPACE;
                   1941:        term_word(p, ";");
                   1942:        term_newln(p);
                   1943: }
                   1944:
                   1945:
                   1946: /* ARGSUSED */
                   1947: static int
                   1948: termp_bf_pre(DECL_ARGS)
                   1949: {
1.86      kristaps 1950:        const struct mdoc_node  *nn;
1.1       kristaps 1951:
1.86      kristaps 1952:        if (MDOC_HEAD == n->type)
1.1       kristaps 1953:                return(0);
1.86      kristaps 1954:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 1955:                return(1);
                   1956:
1.86      kristaps 1957:        if (NULL == (nn = n->head->child)) {
                   1958:                if (arg_hasattr(MDOC_Emphasis, n))
1.69      kristaps 1959:                        p->under++;
1.86      kristaps 1960:                else if (arg_hasattr(MDOC_Symbolic, n))
1.69      kristaps 1961:                        p->bold++;
1.1       kristaps 1962:
                   1963:                return(1);
                   1964:        }
                   1965:
1.86      kristaps 1966:        assert(MDOC_TEXT == nn->type);
                   1967:        if (0 == strcmp("Em", nn->string))
1.69      kristaps 1968:                p->under++;
1.86      kristaps 1969:        else if (0 == strcmp("Sy", nn->string))
1.69      kristaps 1970:                p->bold++;
1.1       kristaps 1971:
                   1972:        return(1);
                   1973: }
                   1974:
                   1975:
                   1976: /* ARGSUSED */
                   1977: static int
                   1978: termp_sm_pre(DECL_ARGS)
                   1979: {
                   1980:
1.86      kristaps 1981:        assert(n->child && MDOC_TEXT == n->child->type);
                   1982:        if (0 == strcmp("on", n->child->string)) {
1.1       kristaps 1983:                p->flags &= ~TERMP_NONOSPACE;
                   1984:                p->flags &= ~TERMP_NOSPACE;
                   1985:        } else
                   1986:                p->flags |= TERMP_NONOSPACE;
                   1987:
                   1988:        return(0);
                   1989: }
                   1990:
                   1991:
                   1992: /* ARGSUSED */
                   1993: static int
                   1994: termp_ap_pre(DECL_ARGS)
                   1995: {
                   1996:
                   1997:        p->flags |= TERMP_NOSPACE;
                   1998:        term_word(p, "\\(aq");
                   1999:        p->flags |= TERMP_NOSPACE;
                   2000:        return(1);
                   2001: }
                   2002:
                   2003:
                   2004: /* ARGSUSED */
                   2005: static void
                   2006: termp____post(DECL_ARGS)
                   2007: {
                   2008:
                   2009:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2010:        switch (n->tok) {
1.84      kristaps 2011:        case (MDOC__T):
                   2012:                term_word(p, "\\(rq");
                   2013:                p->flags |= TERMP_NOSPACE;
                   2014:                break;
                   2015:        default:
                   2016:                break;
                   2017:        }
1.86      kristaps 2018:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2019: }
                   2020:
                   2021:
                   2022: /* ARGSUSED */
                   2023: static int
                   2024: termp_lk_pre(DECL_ARGS)
                   2025: {
1.86      kristaps 2026:        const struct mdoc_node *nn;
1.1       kristaps 2027:
1.86      kristaps 2028:        if (NULL == (nn = n->child->next)) {
1.69      kristaps 2029:                p->under++;
1.12      kristaps 2030:                return(1);
                   2031:        }
                   2032:
1.69      kristaps 2033:        p->under++;
1.86      kristaps 2034:        term_word(p, nn->string);
1.1       kristaps 2035:        p->flags |= TERMP_NOSPACE;
                   2036:        term_word(p, ":");
1.69      kristaps 2037:        p->under--;
1.1       kristaps 2038:
1.69      kristaps 2039:        p->bold++;
1.86      kristaps 2040:        for (nn = nn->next; nn; nn = nn->next)
                   2041:                term_word(p, nn->string);
1.69      kristaps 2042:        p->bold--;
1.12      kristaps 2043:
1.1       kristaps 2044:        return(0);
                   2045: }
                   2046:
                   2047:
                   2048: /* ARGSUSED */
                   2049: static int
1.69      kristaps 2050: termp_under_pre(DECL_ARGS)
1.1       kristaps 2051: {
                   2052:
1.69      kristaps 2053:        p->under++;
1.1       kristaps 2054:        return(1);
                   2055: }
1.83      kristaps 2056:
1.84      kristaps 2057:
                   2058: /* ARGSUSED */
                   2059: static int
                   2060: termp__t_pre(DECL_ARGS)
                   2061: {
                   2062:
                   2063:        term_word(p, "\\(lq");
                   2064:        p->flags |= TERMP_NOSPACE;
                   2065:        return(1);
                   2066: }

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