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Annotation of mandoc/mdoc_term.c, Revision 1.98

1.98    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.97 2009/10/27 08:26:12 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:
1.96      kristaps   51: static size_t    a2width(const struct mdoc_argv *, int);
                     52: static size_t    a2height(const struct mdoc_node *);
                     53: static size_t    a2offs(const struct mdoc_argv *);
                     54:
                     55: static int       arg_hasattr(int, const struct mdoc_node *);
                     56: static int       arg_getattrs(const int *, int *, size_t,
                     57:                        const struct mdoc_node *);
                     58: static int       arg_getattr(int, const struct mdoc_node *);
                     59: static int       arg_listtype(const struct mdoc_node *);
                     60: static void      print_bvspace(struct termp *,
                     61:                        const struct mdoc_node *,
                     62:                        const struct mdoc_node *);
                     63: static void      print_node(DECL_ARGS);
                     64: static void      print_head(DECL_ARGS);
                     65: static void      print_body(DECL_ARGS);
                     66: static void      print_foot(DECL_ARGS);
                     67:
                     68: #ifdef __linux__
                     69: extern size_t    strlcpy(char *, const char *, size_t);
                     70: extern size_t    strlcat(char *, const char *, size_t);
                     71: #endif
                     72:
1.31      kristaps   73: static void      termp____post(DECL_ARGS);
1.61      kristaps   74: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   75: static void      termp_aq_post(DECL_ARGS);
                     76: static void      termp_bd_post(DECL_ARGS);
                     77: static void      termp_bl_post(DECL_ARGS);
                     78: static void      termp_bq_post(DECL_ARGS);
                     79: static void      termp_brq_post(DECL_ARGS);
                     80: static void      termp_bx_post(DECL_ARGS);
                     81: static void      termp_d1_post(DECL_ARGS);
                     82: static void      termp_dq_post(DECL_ARGS);
                     83: static void      termp_fd_post(DECL_ARGS);
                     84: static void      termp_fn_post(DECL_ARGS);
                     85: static void      termp_fo_post(DECL_ARGS);
                     86: static void      termp_ft_post(DECL_ARGS);
                     87: static void      termp_in_post(DECL_ARGS);
                     88: static void      termp_it_post(DECL_ARGS);
                     89: static void      termp_lb_post(DECL_ARGS);
                     90: static void      termp_op_post(DECL_ARGS);
                     91: static void      termp_pf_post(DECL_ARGS);
                     92: static void      termp_pq_post(DECL_ARGS);
                     93: static void      termp_qq_post(DECL_ARGS);
                     94: static void      termp_sh_post(DECL_ARGS);
                     95: static void      termp_sq_post(DECL_ARGS);
                     96: static void      termp_ss_post(DECL_ARGS);
                     97: static void      termp_vt_post(DECL_ARGS);
                     98:
1.84      kristaps   99: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps  100: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps  101: static int       termp_ap_pre(DECL_ARGS);
                    102: static int       termp_aq_pre(DECL_ARGS);
                    103: static int       termp_bd_pre(DECL_ARGS);
                    104: static int       termp_bf_pre(DECL_ARGS);
1.69      kristaps  105: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  106: static int       termp_bq_pre(DECL_ARGS);
                    107: static int       termp_brq_pre(DECL_ARGS);
                    108: static int       termp_bt_pre(DECL_ARGS);
                    109: static int       termp_cd_pre(DECL_ARGS);
                    110: static int       termp_d1_pre(DECL_ARGS);
                    111: static int       termp_dq_pre(DECL_ARGS);
                    112: static int       termp_ex_pre(DECL_ARGS);
                    113: static int       termp_fa_pre(DECL_ARGS);
                    114: static int       termp_fl_pre(DECL_ARGS);
                    115: static int       termp_fn_pre(DECL_ARGS);
                    116: static int       termp_fo_pre(DECL_ARGS);
                    117: static int       termp_ft_pre(DECL_ARGS);
                    118: static int       termp_in_pre(DECL_ARGS);
                    119: static int       termp_it_pre(DECL_ARGS);
                    120: static int       termp_lk_pre(DECL_ARGS);
                    121: static int       termp_nd_pre(DECL_ARGS);
                    122: static int       termp_nm_pre(DECL_ARGS);
                    123: static int       termp_ns_pre(DECL_ARGS);
                    124: static int       termp_op_pre(DECL_ARGS);
                    125: static int       termp_pf_pre(DECL_ARGS);
                    126: static int       termp_pq_pre(DECL_ARGS);
                    127: static int       termp_qq_pre(DECL_ARGS);
                    128: static int       termp_rs_pre(DECL_ARGS);
                    129: static int       termp_rv_pre(DECL_ARGS);
                    130: static int       termp_sh_pre(DECL_ARGS);
                    131: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  132: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  133: static int       termp_sq_pre(DECL_ARGS);
                    134: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  135: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  136: static int       termp_ud_pre(DECL_ARGS);
                    137: static int       termp_xr_pre(DECL_ARGS);
                    138: static int       termp_xx_pre(DECL_ARGS);
                    139:
1.70      kristaps  140: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  141:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  142:        { NULL, NULL }, /* Dd */
                    143:        { NULL, NULL }, /* Dt */
                    144:        { NULL, NULL }, /* Os */
                    145:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    146:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  147:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  148:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    149:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    150:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    151:        { NULL, NULL }, /* Ed */
                    152:        { NULL, termp_bl_post }, /* Bl */
                    153:        { NULL, NULL }, /* El */
                    154:        { termp_it_pre, termp_it_post }, /* It */
                    155:        { NULL, NULL }, /* Ad */
1.61      kristaps  156:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  157:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  158:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  159:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  160:        { NULL, NULL }, /* Dv */
                    161:        { NULL, NULL }, /* Er */
                    162:        { NULL, NULL }, /* Ev */
                    163:        { termp_ex_pre, NULL }, /* Ex */
                    164:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  165:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  166:        { termp_fl_pre, NULL }, /* Fl */
                    167:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    168:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  169:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  170:        { termp_in_pre, termp_in_post }, /* In */
                    171:        { NULL, NULL }, /* Li */
                    172:        { termp_nd_pre, NULL }, /* Nd */
                    173:        { termp_nm_pre, NULL }, /* Nm */
                    174:        { termp_op_pre, termp_op_post }, /* Op */
                    175:        { NULL, NULL }, /* Ot */
1.69      kristaps  176:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  177:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  178:        { NULL, NULL }, /* St */
1.69      kristaps  179:        { termp_under_pre, NULL }, /* Va */
1.70      kristaps  180:        { termp_under_pre, termp_vt_post }, /* Vt */
1.1       kristaps  181:        { termp_xr_pre, NULL }, /* Xr */
                    182:        { NULL, termp____post }, /* %A */
1.84      kristaps  183:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  184:        { NULL, termp____post }, /* %D */
1.84      kristaps  185:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  186:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  187:        { NULL, termp____post }, /* %N */
                    188:        { NULL, termp____post }, /* %O */
                    189:        { NULL, termp____post }, /* %P */
                    190:        { NULL, termp____post }, /* %R */
1.84      kristaps  191:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  192:        { NULL, termp____post }, /* %V */
                    193:        { NULL, NULL }, /* Ac */
                    194:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    195:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  196:        { NULL, NULL }, /* At */
1.1       kristaps  197:        { NULL, NULL }, /* Bc */
                    198:        { termp_bf_pre, NULL }, /* Bf */
                    199:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    200:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  201:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  202:        { NULL, termp_bx_post }, /* Bx */
                    203:        { NULL, NULL }, /* Db */
                    204:        { NULL, NULL }, /* Dc */
                    205:        { termp_dq_pre, termp_dq_post }, /* Do */
                    206:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    207:        { NULL, NULL }, /* Ec */
                    208:        { NULL, NULL }, /* Ef */
1.69      kristaps  209:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  210:        { NULL, NULL }, /* Eo */
1.26      kristaps  211:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  212:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  213:        { NULL, NULL }, /* No */
                    214:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  215:        { termp_xx_pre, NULL }, /* Nx */
                    216:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  217:        { NULL, NULL }, /* Pc */
                    218:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    219:        { termp_pq_pre, termp_pq_post }, /* Po */
                    220:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    221:        { NULL, NULL }, /* Qc */
                    222:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    224:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    225:        { NULL, NULL }, /* Re */
                    226:        { termp_rs_pre, NULL }, /* Rs */
                    227:        { NULL, NULL }, /* Sc */
                    228:        { termp_sq_pre, termp_sq_post }, /* So */
                    229:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    230:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  231:        { termp_under_pre, NULL }, /* Sx */
                    232:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  233:        { NULL, NULL }, /* Tn */
1.26      kristaps  234:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  235:        { NULL, NULL }, /* Xc */
                    236:        { NULL, NULL }, /* Xo */
                    237:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    238:        { NULL, NULL }, /* Fc */
                    239:        { termp_op_pre, termp_op_post }, /* Oo */
                    240:        { NULL, NULL }, /* Oc */
                    241:        { NULL, NULL }, /* Bk */
                    242:        { NULL, NULL }, /* Ek */
                    243:        { termp_bt_pre, NULL }, /* Bt */
                    244:        { NULL, NULL }, /* Hf */
                    245:        { NULL, NULL }, /* Fr */
                    246:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  247:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  248:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  249:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  250:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  251:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    252:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    253:        { NULL, NULL }, /* Brc */
1.83      kristaps  254:        { NULL, termp____post }, /* %C */
1.81      kristaps  255:        { NULL, NULL }, /* Es */ /* TODO */
                    256:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  257:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  258:        { NULL, termp____post }, /* %Q */
1.76      kristaps  259:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  260:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  261:        { termp_under_pre, termp____post }, /* %U */
1.1       kristaps  262: };
                    263:
                    264:
1.70      kristaps  265: void
1.89      kristaps  266: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  267: {
1.70      kristaps  268:        const struct mdoc_node  *n;
                    269:        const struct mdoc_meta  *m;
1.89      kristaps  270:        struct termp            *p;
                    271:
                    272:        p = (struct termp *)arg;
                    273:
                    274:        if (NULL == p->symtab)
                    275:                switch (p->enc) {
                    276:                case (TERMENC_ASCII):
                    277:                        p->symtab = chars_init(CHARS_ASCII);
                    278:                        break;
                    279:                default:
                    280:                        abort();
                    281:                        /* NOTREACHED */
                    282:                }
1.70      kristaps  283:
                    284:        n = mdoc_node(mdoc);
                    285:        m = mdoc_meta(mdoc);
                    286:
                    287:        print_head(p, NULL, m, n);
                    288:        if (n->child)
                    289:                print_body(p, NULL, m, n->child);
                    290:        print_foot(p, NULL, m, n);
1.1       kristaps  291: }
                    292:
                    293:
1.3       kristaps  294: static void
1.1       kristaps  295: print_body(DECL_ARGS)
                    296: {
                    297:
1.86      kristaps  298:        print_node(p, pair, m, n);
                    299:        if (n->next)
                    300:                print_body(p, pair, m, n->next);
1.1       kristaps  301: }
                    302:
                    303:
1.70      kristaps  304: /* ARGSUSED */
1.3       kristaps  305: static void
1.1       kristaps  306: print_node(DECL_ARGS)
                    307: {
1.70      kristaps  308:        int              chld, bold, under;
1.1       kristaps  309:        struct termpair  npair;
1.30      kristaps  310:        size_t           offset, rmargin;
1.1       kristaps  311:
1.70      kristaps  312:        chld = 1;
1.29      kristaps  313:        offset = p->offset;
1.30      kristaps  314:        rmargin = p->rmargin;
1.69      kristaps  315:        bold = p->bold;
                    316:        under = p->under;
1.29      kristaps  317:
1.97      kristaps  318:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  319:        npair.ppair = pair;
1.46      kristaps  320:
1.86      kristaps  321:        if (MDOC_TEXT != n->type) {
                    322:                if (termacts[n->tok].pre)
                    323:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  324:        } else
1.86      kristaps  325:                term_word(p, n->string);
                    326:        if (chld && n->child)
                    327:                print_body(p, &npair, m, n->child);
1.1       kristaps  328:
1.70      kristaps  329:        /*
                    330:         * XXX - if bold/under were to span scopes, this wouldn't be
                    331:         * possible, but because decoration is always in-scope, we can
                    332:         * get away with this.
                    333:         */
1.1       kristaps  334:
1.69      kristaps  335:        p->bold = bold;
                    336:        p->under = under;
1.46      kristaps  337:
1.86      kristaps  338:        if (MDOC_TEXT != n->type)
                    339:                if (termacts[n->tok].post)
                    340:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.29      kristaps  341:
                    342:        p->offset = offset;
1.30      kristaps  343:        p->rmargin = rmargin;
1.1       kristaps  344: }
                    345:
                    346:
1.70      kristaps  347: /* ARGSUSED */
1.3       kristaps  348: static void
1.70      kristaps  349: print_foot(DECL_ARGS)
1.1       kristaps  350: {
1.98    ! kristaps  351:        char            buf[DATESIZ], os[BUFSIZ];
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:
1.94      kristaps  361:        time2a(m->date, buf, DATESIZ);
1.98    ! kristaps  362:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  363:
                    364:        term_vspace(p);
                    365:
1.9       kristaps  366:        p->offset = 0;
                    367:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  368:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    369:
                    370:        term_word(p, os);
                    371:        term_flushln(p);
                    372:
1.9       kristaps  373:        p->offset = p->rmargin;
                    374:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  375:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  376:
                    377:        term_word(p, buf);
                    378:        term_flushln(p);
                    379:
1.1       kristaps  380:        p->offset = p->rmargin;
                    381:        p->rmargin = p->maxrmargin;
                    382:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  383:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  384:
1.9       kristaps  385:        term_word(p, os);
1.1       kristaps  386:        term_flushln(p);
                    387:
1.9       kristaps  388:        p->offset = 0;
                    389:        p->rmargin = p->maxrmargin;
                    390:        p->flags = 0;
1.1       kristaps  391: }
                    392:
                    393:
1.75      kristaps  394: /* FIXME: put in utility library. */
1.70      kristaps  395: /* ARGSUSED */
1.3       kristaps  396: static void
1.70      kristaps  397: print_head(DECL_ARGS)
1.1       kristaps  398: {
1.98    ! kristaps  399:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  400:
                    401:        p->rmargin = p->maxrmargin;
                    402:        p->offset = 0;
                    403:
                    404:        /*
                    405:         * The header is strange.  It has three components, which are
                    406:         * really two with the first duplicated.  It goes like this:
                    407:         *
                    408:         * IDENTIFIER              TITLE                   IDENTIFIER
                    409:         *
                    410:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    411:         * (if given, or "unknown" if not) followed by the manual page
                    412:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    413:         * string depending on the manual volume.  If not specified, it
                    414:         * switches on the manual section.
                    415:         */
                    416:
1.86      kristaps  417:        assert(m->vol);
1.98    ! kristaps  418:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  419:
1.86      kristaps  420:        if (m->arch) {
1.98    ! kristaps  421:                strlcat(buf, " (", BUFSIZ);
        !           422:                strlcat(buf, m->arch, BUFSIZ);
        !           423:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  424:        }
                    425:
1.98    ! kristaps  426:        snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
1.1       kristaps  427:
                    428:        p->offset = 0;
1.8       kristaps  429:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  430:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    431:
                    432:        term_word(p, title);
                    433:        term_flushln(p);
                    434:
                    435:        p->offset = p->rmargin;
                    436:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  437:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  438:
                    439:        term_word(p, buf);
                    440:        term_flushln(p);
                    441:
                    442:        p->offset = p->rmargin;
                    443:        p->rmargin = p->maxrmargin;
                    444:        p->flags &= ~TERMP_NOBREAK;
                    445:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    446:
                    447:        term_word(p, title);
                    448:        term_flushln(p);
                    449:
1.9       kristaps  450:        p->offset = 0;
1.1       kristaps  451:        p->rmargin = p->maxrmargin;
                    452:        p->flags &= ~TERMP_NOSPACE;
                    453: }
                    454:
                    455:
                    456: static size_t
1.96      kristaps  457: a2height(const struct mdoc_node *n)
1.1       kristaps  458: {
1.92      kristaps  459:        struct roffsu    su;
1.91      kristaps  460:
                    461:        assert(MDOC_TEXT == n->type);
                    462:        assert(n->string);
1.92      kristaps  463:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    464:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  465:
1.92      kristaps  466:        return(term_vspan(&su));
1.91      kristaps  467: }
1.1       kristaps  468:
1.40      kristaps  469:
1.91      kristaps  470: static size_t
1.96      kristaps  471: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  472: {
1.92      kristaps  473:        struct roffsu    su;
1.1       kristaps  474:
1.91      kristaps  475:        assert(arg->value[pos]);
1.92      kristaps  476:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  477:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  478:
1.93      kristaps  479:        /* XXX: pachemu? */
                    480:        return(term_hspan(&su) + 2);
1.1       kristaps  481: }
                    482:
                    483:
                    484: static int
                    485: arg_listtype(const struct mdoc_node *n)
                    486: {
                    487:        int              i, len;
                    488:
                    489:        assert(MDOC_BLOCK == n->type);
                    490:
                    491:        len = (int)(n->args ? n->args->argc : 0);
                    492:
                    493:        for (i = 0; i < len; i++)
                    494:                switch (n->args->argv[i].arg) {
                    495:                case (MDOC_Bullet):
                    496:                        /* FALLTHROUGH */
                    497:                case (MDOC_Dash):
                    498:                        /* FALLTHROUGH */
                    499:                case (MDOC_Enum):
                    500:                        /* FALLTHROUGH */
                    501:                case (MDOC_Hyphen):
                    502:                        /* FALLTHROUGH */
                    503:                case (MDOC_Tag):
                    504:                        /* FALLTHROUGH */
                    505:                case (MDOC_Inset):
                    506:                        /* FALLTHROUGH */
                    507:                case (MDOC_Diag):
                    508:                        /* FALLTHROUGH */
                    509:                case (MDOC_Item):
                    510:                        /* FALLTHROUGH */
                    511:                case (MDOC_Column):
                    512:                        /* FALLTHROUGH */
1.38      kristaps  513:                case (MDOC_Hang):
                    514:                        /* FALLTHROUGH */
1.1       kristaps  515:                case (MDOC_Ohang):
                    516:                        return(n->args->argv[i].arg);
                    517:                default:
                    518:                        break;
                    519:                }
                    520:
1.38      kristaps  521:        return(-1);
1.1       kristaps  522: }
                    523:
                    524:
                    525: static size_t
1.96      kristaps  526: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  527: {
1.92      kristaps  528:        struct roffsu    su;
1.1       kristaps  529:
1.91      kristaps  530:        if ('\0' == arg->value[0][0])
                    531:                return(0);
                    532:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  533:                return(0);
1.91      kristaps  534:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  535:                return(INDENT + 1);
1.91      kristaps  536:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  537:                return((INDENT + 1) * 2);
1.92      kristaps  538:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    539:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  540:
1.92      kristaps  541:        return(term_hspan(&su));
1.1       kristaps  542: }
                    543:
                    544:
                    545: static int
                    546: arg_hasattr(int arg, const struct mdoc_node *n)
                    547: {
                    548:
                    549:        return(-1 != arg_getattr(arg, n));
                    550: }
                    551:
                    552:
                    553: static int
                    554: arg_getattr(int v, const struct mdoc_node *n)
                    555: {
                    556:        int              val;
                    557:
                    558:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    559: }
                    560:
                    561:
                    562: static int
                    563: arg_getattrs(const int *keys, int *vals,
                    564:                size_t sz, const struct mdoc_node *n)
                    565: {
                    566:        int              i, j, k;
                    567:
                    568:        if (NULL == n->args)
                    569:                return(0);
                    570:
                    571:        for (k = i = 0; i < (int)n->args->argc; i++)
                    572:                for (j = 0; j < (int)sz; j++)
                    573:                        if (n->args->argv[i].arg == keys[j]) {
                    574:                                vals[j] = i;
                    575:                                k++;
                    576:                        }
                    577:        return(k);
                    578: }
                    579:
                    580:
1.54      kristaps  581: static void
1.91      kristaps  582: print_bvspace(struct termp *p,
1.1       kristaps  583:                const struct mdoc_node *bl,
1.86      kristaps  584:                const struct mdoc_node *n)
1.1       kristaps  585: {
1.86      kristaps  586:        const struct mdoc_node  *nn;
1.1       kristaps  587:
                    588:        term_newln(p);
1.85      kristaps  589:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  590:                return;
                    591:
1.85      kristaps  592:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  593:
1.86      kristaps  594:        for (nn = n; nn; nn = nn->parent) {
                    595:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  596:                        continue;
1.86      kristaps  597:                if (MDOC_Ss == nn->tok)
1.54      kristaps  598:                        return;
1.86      kristaps  599:                if (MDOC_Sh == nn->tok)
1.54      kristaps  600:                        return;
1.86      kristaps  601:                if (NULL == nn->prev)
1.1       kristaps  602:                        continue;
                    603:                break;
                    604:        }
                    605:
1.85      kristaps  606:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  607:
1.59      kristaps  608:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.86      kristaps  609:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  610:                        return;
                    611:
1.85      kristaps  612:        /* A `-diag' without body does not vspace. */
                    613:
1.59      kristaps  614:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.86      kristaps  615:                if (n->prev && MDOC_It == n->prev->tok) {
                    616:                        assert(n->prev->body);
                    617:                        if (NULL == n->prev->body->child)
1.55      kristaps  618:                                return;
                    619:                }
                    620:
1.54      kristaps  621:        term_vspace(p);
1.1       kristaps  622: }
                    623:
                    624:
                    625: /* ARGSUSED */
                    626: static int
                    627: termp_dq_pre(DECL_ARGS)
                    628: {
                    629:
1.86      kristaps  630:        if (MDOC_BODY != n->type)
1.1       kristaps  631:                return(1);
                    632:
                    633:        term_word(p, "\\(lq");
                    634:        p->flags |= TERMP_NOSPACE;
                    635:        return(1);
                    636: }
                    637:
                    638:
                    639: /* ARGSUSED */
                    640: static void
                    641: termp_dq_post(DECL_ARGS)
                    642: {
                    643:
1.86      kristaps  644:        if (MDOC_BODY != n->type)
1.1       kristaps  645:                return;
                    646:
                    647:        p->flags |= TERMP_NOSPACE;
                    648:        term_word(p, "\\(rq");
                    649: }
                    650:
                    651:
                    652: /* ARGSUSED */
                    653: static int
                    654: termp_it_pre(DECL_ARGS)
                    655: {
1.86      kristaps  656:        const struct mdoc_node *bl, *nn;
1.1       kristaps  657:        char                    buf[7];
1.39      kristaps  658:        int                     i, type, keys[3], vals[3];
1.1       kristaps  659:        size_t                  width, offset;
                    660:
1.86      kristaps  661:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  662:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  663:                return(1);
                    664:        }
1.1       kristaps  665:
1.86      kristaps  666:        bl = n->parent->parent->parent;
1.1       kristaps  667:
                    668:        /* Save parent attributes. */
                    669:
                    670:        pair->flag = p->flags;
                    671:
                    672:        /* Get list width and offset. */
                    673:
                    674:        keys[0] = MDOC_Width;
                    675:        keys[1] = MDOC_Offset;
                    676:        keys[2] = MDOC_Column;
                    677:
                    678:        vals[0] = vals[1] = vals[2] = -1;
                    679:
                    680:        width = offset = 0;
                    681:
                    682:        (void)arg_getattrs(keys, vals, 3, bl);
                    683:
                    684:        type = arg_listtype(bl);
1.38      kristaps  685:        assert(-1 != type);
1.1       kristaps  686:
                    687:        /* Calculate real width and offset. */
                    688:
                    689:        switch (type) {
                    690:        case (MDOC_Column):
1.86      kristaps  691:                if (MDOC_BODY == n->type)
1.1       kristaps  692:                        break;
1.58      kristaps  693:                /*
                    694:                 * Work around groff's column handling.  The offset is
                    695:                 * equal to the sum of all widths leading to the current
                    696:                 * column (plus the -offset value).  If this column
                    697:                 * exceeds the stated number of columns, the width is
                    698:                 * set as 0, else it's the stated column width (later
                    699:                 * the 0 will be adjusted to default 10 or, if in the
                    700:                 * last column case, set to stretch to the margin).
                    701:                 */
1.86      kristaps  702:                for (i = 0, nn = n->prev; nn &&
1.78      kristaps  703:                                i < (int)bl->args->argv[vals[2]].sz;
1.86      kristaps  704:                                nn = nn->prev, i++)
1.96      kristaps  705:                        offset += a2width
1.1       kristaps  706:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  707:
                    708:                /* Whether exceeds maximum column. */
1.78      kristaps  709:                if (i < (int)bl->args->argv[vals[2]].sz)
1.96      kristaps  710:                        width = a2width(&bl->args->argv[vals[2]], i);
1.58      kristaps  711:                else
                    712:                        width = 0;
                    713:
1.1       kristaps  714:                if (vals[1] >= 0)
1.96      kristaps  715:                        offset += a2offs(&bl->args->argv[vals[1]]);
1.1       kristaps  716:                break;
                    717:        default:
                    718:                if (vals[0] >= 0)
1.96      kristaps  719:                        width = a2width(&bl->args->argv[vals[0]], 0);
1.1       kristaps  720:                if (vals[1] >= 0)
1.96      kristaps  721:                        offset += a2offs(&bl->args->argv[vals[1]]);
1.1       kristaps  722:                break;
                    723:        }
                    724:
                    725:        /*
                    726:         * List-type can override the width in the case of fixed-head
                    727:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  728:         * offset.
1.1       kristaps  729:         */
                    730:
                    731:        switch (type) {
                    732:        case (MDOC_Bullet):
                    733:                /* FALLTHROUGH */
                    734:        case (MDOC_Dash):
                    735:                /* FALLTHROUGH */
                    736:        case (MDOC_Hyphen):
                    737:                if (width < 4)
                    738:                        width = 4;
                    739:                break;
1.17      kristaps  740:        case (MDOC_Enum):
                    741:                if (width < 5)
                    742:                        width = 5;
                    743:                break;
1.38      kristaps  744:        case (MDOC_Hang):
1.39      kristaps  745:                if (0 == width)
                    746:                        width = 8;
                    747:                break;
1.49      kristaps  748:        case (MDOC_Column):
                    749:                /* FALLTHROUGH */
1.1       kristaps  750:        case (MDOC_Tag):
                    751:                if (0 == width)
                    752:                        width = 10;
                    753:                break;
                    754:        default:
                    755:                break;
                    756:        }
                    757:
                    758:        /*
1.17      kristaps  759:         * Whitespace control.  Inset bodies need an initial space,
                    760:         * while diagonal bodies need two.
1.1       kristaps  761:         */
                    762:
1.51      kristaps  763:        p->flags |= TERMP_NOSPACE;
                    764:
1.1       kristaps  765:        switch (type) {
1.51      kristaps  766:        case (MDOC_Diag):
1.86      kristaps  767:                if (MDOC_BODY == n->type)
1.62      kristaps  768:                        term_word(p, "\\ \\ ");
1.51      kristaps  769:                break;
1.1       kristaps  770:        case (MDOC_Inset):
1.86      kristaps  771:                if (MDOC_BODY == n->type)
1.51      kristaps  772:                        term_word(p, "\\ ");
1.1       kristaps  773:                break;
                    774:        default:
                    775:                break;
                    776:        }
                    777:
1.51      kristaps  778:        p->flags |= TERMP_NOSPACE;
                    779:
1.1       kristaps  780:        switch (type) {
                    781:        case (MDOC_Diag):
1.86      kristaps  782:                if (MDOC_HEAD == n->type)
1.69      kristaps  783:                        p->bold++;
1.1       kristaps  784:                break;
                    785:        default:
                    786:                break;
                    787:        }
                    788:
                    789:        /*
                    790:         * Pad and break control.  This is the tricker part.  Lists with
                    791:         * set right-margins for the head get TERMP_NOBREAK because, if
                    792:         * they overrun the margin, they wrap to the new margin.
                    793:         * Correspondingly, the body for these types don't left-pad, as
                    794:         * the head will pad out to to the right.
                    795:         */
                    796:
                    797:        switch (type) {
                    798:        case (MDOC_Bullet):
                    799:                /* FALLTHROUGH */
                    800:        case (MDOC_Dash):
                    801:                /* FALLTHROUGH */
                    802:        case (MDOC_Enum):
                    803:                /* FALLTHROUGH */
                    804:        case (MDOC_Hyphen):
1.86      kristaps  805:                if (MDOC_HEAD == n->type)
1.39      kristaps  806:                        p->flags |= TERMP_NOBREAK;
                    807:                else
                    808:                        p->flags |= TERMP_NOLPAD;
                    809:                break;
1.38      kristaps  810:        case (MDOC_Hang):
1.86      kristaps  811:                if (MDOC_HEAD == n->type)
1.39      kristaps  812:                        p->flags |= TERMP_NOBREAK;
                    813:                else
                    814:                        p->flags |= TERMP_NOLPAD;
                    815:
1.86      kristaps  816:                if (MDOC_HEAD != n->type)
1.59      kristaps  817:                        break;
                    818:
                    819:                /*
                    820:                 * This is ugly.  If `-hang' is specified and the body
                    821:                 * is a `Bl' or `Bd', then we want basically to nullify
                    822:                 * the "overstep" effect in term_flushln() and treat
                    823:                 * this as a `-ohang' list instead.
                    824:                 */
1.86      kristaps  825:                if (n->next->child &&
                    826:                                (MDOC_Bl == n->next->child->tok ||
                    827:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  828:                        p->flags &= ~TERMP_NOBREAK;
                    829:                        p->flags &= ~TERMP_NOLPAD;
                    830:                } else
1.39      kristaps  831:                        p->flags |= TERMP_HANG;
                    832:                break;
1.1       kristaps  833:        case (MDOC_Tag):
1.86      kristaps  834:                if (MDOC_HEAD == n->type)
1.51      kristaps  835:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  836:                else
                    837:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  838:
1.86      kristaps  839:                if (MDOC_HEAD != n->type)
1.39      kristaps  840:                        break;
1.86      kristaps  841:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  842:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  843:                break;
                    844:        case (MDOC_Column):
1.86      kristaps  845:                if (MDOC_HEAD == n->type) {
                    846:                        assert(n->next);
                    847:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  848:                                p->flags &= ~TERMP_NOBREAK;
                    849:                        else
                    850:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  851:                        if (n->prev)
1.1       kristaps  852:                                p->flags |= TERMP_NOLPAD;
                    853:                }
                    854:                break;
                    855:        case (MDOC_Diag):
1.86      kristaps  856:                if (MDOC_HEAD == n->type)
1.1       kristaps  857:                        p->flags |= TERMP_NOBREAK;
                    858:                break;
                    859:        default:
                    860:                break;
                    861:        }
                    862:
                    863:        /*
                    864:         * Margin control.  Set-head-width lists have their right
                    865:         * margins shortened.  The body for these lists has the offset
                    866:         * necessarily lengthened.  Everybody gets the offset.
                    867:         */
                    868:
                    869:        p->offset += offset;
                    870:
                    871:        switch (type) {
1.59      kristaps  872:        case (MDOC_Hang):
                    873:                /*
                    874:                 * Same stipulation as above, regarding `-hang'.  We
                    875:                 * don't want to recalculate rmargin and offsets when
                    876:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    877:                 */
1.86      kristaps  878:                if (MDOC_HEAD == n->type && n->next->child &&
                    879:                                (MDOC_Bl == n->next->child->tok ||
                    880:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  881:                        break;
                    882:                /* FALLTHROUGH */
1.1       kristaps  883:        case (MDOC_Bullet):
                    884:                /* FALLTHROUGH */
                    885:        case (MDOC_Dash):
                    886:                /* FALLTHROUGH */
                    887:        case (MDOC_Enum):
                    888:                /* FALLTHROUGH */
                    889:        case (MDOC_Hyphen):
                    890:                /* FALLTHROUGH */
                    891:        case (MDOC_Tag):
1.49      kristaps  892:                assert(width);
1.86      kristaps  893:                if (MDOC_HEAD == n->type)
1.1       kristaps  894:                        p->rmargin = p->offset + width;
                    895:                else
                    896:                        p->offset += width;
                    897:                break;
                    898:        case (MDOC_Column):
1.49      kristaps  899:                assert(width);
1.1       kristaps  900:                p->rmargin = p->offset + width;
1.50      kristaps  901:                /*
                    902:                 * XXX - this behaviour is not documented: the
                    903:                 * right-most column is filled to the right margin.
                    904:                 */
1.86      kristaps  905:                if (MDOC_HEAD == n->type &&
                    906:                                MDOC_BODY == n->next->type)
1.50      kristaps  907:                        p->rmargin = p->maxrmargin;
1.1       kristaps  908:                break;
                    909:        default:
                    910:                break;
                    911:        }
                    912:
                    913:        /*
                    914:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  915:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  916:         */
                    917:
1.86      kristaps  918:        if (MDOC_HEAD == n->type)
1.1       kristaps  919:                switch (type) {
                    920:                case (MDOC_Bullet):
1.69      kristaps  921:                        p->bold++;
1.1       kristaps  922:                        term_word(p, "\\[bu]");
1.69      kristaps  923:                        p->bold--;
1.1       kristaps  924:                        break;
                    925:                case (MDOC_Dash):
                    926:                        /* FALLTHROUGH */
                    927:                case (MDOC_Hyphen):
1.69      kristaps  928:                        p->bold++;
1.27      kristaps  929:                        term_word(p, "\\(hy");
1.69      kristaps  930:                        p->bold--;
1.1       kristaps  931:                        break;
                    932:                case (MDOC_Enum):
                    933:                        (pair->ppair->ppair->count)++;
                    934:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    935:                                        pair->ppair->ppair->count);
                    936:                        term_word(p, buf);
                    937:                        break;
                    938:                default:
                    939:                        break;
                    940:                }
                    941:
                    942:        /*
                    943:         * If we're not going to process our children, indicate so here.
                    944:         */
                    945:
                    946:        switch (type) {
                    947:        case (MDOC_Bullet):
                    948:                /* FALLTHROUGH */
                    949:        case (MDOC_Item):
                    950:                /* FALLTHROUGH */
                    951:        case (MDOC_Dash):
                    952:                /* FALLTHROUGH */
                    953:        case (MDOC_Hyphen):
                    954:                /* FALLTHROUGH */
                    955:        case (MDOC_Enum):
1.86      kristaps  956:                if (MDOC_HEAD == n->type)
1.1       kristaps  957:                        return(0);
                    958:                break;
                    959:        case (MDOC_Column):
1.86      kristaps  960:                if (MDOC_BODY == n->type)
1.1       kristaps  961:                        return(0);
                    962:                break;
                    963:        default:
                    964:                break;
                    965:        }
                    966:
                    967:        return(1);
                    968: }
                    969:
                    970:
                    971: /* ARGSUSED */
                    972: static void
                    973: termp_it_post(DECL_ARGS)
                    974: {
                    975:        int                type;
                    976:
1.86      kristaps  977:        if (MDOC_BODY != n->type && MDOC_HEAD != n->type)
1.1       kristaps  978:                return;
                    979:
1.86      kristaps  980:        type = arg_listtype(n->parent->parent->parent);
1.38      kristaps  981:        assert(-1 != type);
1.1       kristaps  982:
                    983:        switch (type) {
                    984:        case (MDOC_Item):
                    985:                /* FALLTHROUGH */
1.53      kristaps  986:        case (MDOC_Diag):
                    987:                /* FALLTHROUGH */
1.1       kristaps  988:        case (MDOC_Inset):
1.86      kristaps  989:                if (MDOC_BODY == n->type)
1.1       kristaps  990:                        term_flushln(p);
                    991:                break;
                    992:        case (MDOC_Column):
1.86      kristaps  993:                if (MDOC_HEAD == n->type)
1.1       kristaps  994:                        term_flushln(p);
                    995:                break;
                    996:        default:
                    997:                term_flushln(p);
                    998:                break;
                    999:        }
                   1000:
                   1001:        p->flags = pair->flag;
                   1002: }
                   1003:
                   1004:
                   1005: /* ARGSUSED */
                   1006: static int
                   1007: termp_nm_pre(DECL_ARGS)
                   1008: {
                   1009:
1.86      kristaps 1010:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1011:                term_newln(p);
1.69      kristaps 1012:        p->bold++;
1.86      kristaps 1013:        if (NULL == n->child)
                   1014:                term_word(p, m->name);
1.1       kristaps 1015:        return(1);
                   1016: }
                   1017:
                   1018:
                   1019: /* ARGSUSED */
                   1020: static int
                   1021: termp_fl_pre(DECL_ARGS)
                   1022: {
                   1023:
1.69      kristaps 1024:        p->bold++;
1.1       kristaps 1025:        term_word(p, "\\-");
                   1026:        p->flags |= TERMP_NOSPACE;
                   1027:        return(1);
                   1028: }
                   1029:
                   1030:
                   1031: /* ARGSUSED */
                   1032: static int
1.61      kristaps 1033: termp_an_pre(DECL_ARGS)
                   1034: {
                   1035:
1.86      kristaps 1036:        if (NULL == n->child)
1.61      kristaps 1037:                return(1);
                   1038:
                   1039:        /*
1.85      kristaps 1040:         * If not in the AUTHORS section, `An -split' will cause
                   1041:         * newlines to occur before the author name.  If in the AUTHORS
                   1042:         * section, by default, the first `An' invocation is nosplit,
                   1043:         * then all subsequent ones, regardless of whether interspersed
                   1044:         * with other macros/text, are split.  -split, in this case,
                   1045:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1046:         */
                   1047:
1.86      kristaps 1048:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1049:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1050:                        if (TERMP_SPLIT & p->flags)
                   1051:                                term_newln(p);
                   1052:                        return(1);
                   1053:                }
                   1054:                if (TERMP_NOSPLIT & p->flags)
                   1055:                        return(1);
                   1056:                term_newln(p);
                   1057:                return(1);
                   1058:        }
                   1059:
                   1060:        if (TERMP_SPLIT & p->flags)
                   1061:                term_newln(p);
                   1062:
                   1063:        return(1);
                   1064: }
                   1065:
                   1066:
                   1067: /* ARGSUSED */
                   1068: static void
                   1069: termp_an_post(DECL_ARGS)
                   1070: {
                   1071:
1.86      kristaps 1072:        if (n->child) {
                   1073:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1074:                        p->flags |= TERMP_ANPREC;
                   1075:                return;
                   1076:        }
                   1077:
1.86      kristaps 1078:        if (arg_getattr(MDOC_Split, n) > -1) {
1.61      kristaps 1079:                p->flags &= ~TERMP_NOSPLIT;
                   1080:                p->flags |= TERMP_SPLIT;
                   1081:        } else {
                   1082:                p->flags &= ~TERMP_SPLIT;
                   1083:                p->flags |= TERMP_NOSPLIT;
                   1084:        }
                   1085:
                   1086: }
                   1087:
                   1088:
                   1089: /* ARGSUSED */
                   1090: static int
1.1       kristaps 1091: termp_ns_pre(DECL_ARGS)
                   1092: {
                   1093:
                   1094:        p->flags |= TERMP_NOSPACE;
                   1095:        return(1);
                   1096: }
                   1097:
                   1098:
                   1099: /* ARGSUSED */
                   1100: static int
                   1101: termp_rs_pre(DECL_ARGS)
                   1102: {
                   1103:
1.86      kristaps 1104:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1105:                return(1);
1.86      kristaps 1106:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1107:                term_vspace(p);
                   1108:        return(1);
                   1109: }
                   1110:
                   1111:
                   1112: /* ARGSUSED */
                   1113: static int
                   1114: termp_rv_pre(DECL_ARGS)
                   1115: {
1.68      kristaps 1116:        const struct mdoc_node  *nn;
1.1       kristaps 1117:
                   1118:        term_newln(p);
                   1119:        term_word(p, "The");
                   1120:
1.86      kristaps 1121:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1122:                p->bold++;
1.68      kristaps 1123:                term_word(p, nn->string);
1.69      kristaps 1124:                p->bold--;
1.68      kristaps 1125:                p->flags |= TERMP_NOSPACE;
                   1126:                if (nn->next && NULL == nn->next->next)
                   1127:                        term_word(p, "(), and");
                   1128:                else if (nn->next)
                   1129:                        term_word(p, "(),");
                   1130:                else
                   1131:                        term_word(p, "()");
                   1132:        }
                   1133:
1.86      kristaps 1134:        if (n->child->next)
1.68      kristaps 1135:                term_word(p, "functions return");
                   1136:        else
                   1137:                term_word(p, "function returns");
1.1       kristaps 1138:
1.68      kristaps 1139:                term_word(p, "the value 0 if successful; otherwise the value "
                   1140:                        "-1 is returned and the global variable");
1.1       kristaps 1141:
1.69      kristaps 1142:        p->under++;
1.1       kristaps 1143:        term_word(p, "errno");
1.69      kristaps 1144:        p->under--;
1.1       kristaps 1145:
                   1146:                term_word(p, "is set to indicate the error.");
                   1147:
1.68      kristaps 1148:        return(0);
1.1       kristaps 1149: }
                   1150:
                   1151:
                   1152: /* ARGSUSED */
                   1153: static int
                   1154: termp_ex_pre(DECL_ARGS)
                   1155: {
1.68      kristaps 1156:        const struct mdoc_node  *nn;
1.1       kristaps 1157:
1.68      kristaps 1158:        term_word(p, "The");
1.1       kristaps 1159:
1.86      kristaps 1160:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1161:                p->bold++;
1.68      kristaps 1162:                term_word(p, nn->string);
1.69      kristaps 1163:                p->bold--;
1.68      kristaps 1164:                p->flags |= TERMP_NOSPACE;
                   1165:                if (nn->next && NULL == nn->next->next)
                   1166:                        term_word(p, ", and");
                   1167:                else if (nn->next)
                   1168:                        term_word(p, ",");
                   1169:                else
                   1170:                        p->flags &= ~TERMP_NOSPACE;
                   1171:        }
                   1172:
1.86      kristaps 1173:        if (n->child->next)
1.68      kristaps 1174:                term_word(p, "utilities exit");
                   1175:        else
                   1176:                term_word(p, "utility exits");
                   1177:
                   1178:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1179:
1.68      kristaps 1180:        return(0);
1.1       kristaps 1181: }
                   1182:
                   1183:
                   1184: /* ARGSUSED */
                   1185: static int
                   1186: termp_nd_pre(DECL_ARGS)
                   1187: {
1.25      kristaps 1188:
1.86      kristaps 1189:        if (MDOC_BODY != n->type)
1.25      kristaps 1190:                return(1);
1.30      kristaps 1191:
1.27      kristaps 1192: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1193:        term_word(p, "\\(en");
1.23      kristaps 1194: #else
                   1195:        term_word(p, "\\(em");
                   1196: #endif
1.1       kristaps 1197:        return(1);
                   1198: }
                   1199:
                   1200:
                   1201: /* ARGSUSED */
                   1202: static void
                   1203: termp_bl_post(DECL_ARGS)
                   1204: {
                   1205:
1.86      kristaps 1206:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1207:                term_newln(p);
                   1208: }
                   1209:
                   1210:
                   1211: /* ARGSUSED */
                   1212: static void
                   1213: termp_op_post(DECL_ARGS)
                   1214: {
                   1215:
1.86      kristaps 1216:        if (MDOC_BODY != n->type)
1.1       kristaps 1217:                return;
                   1218:        p->flags |= TERMP_NOSPACE;
                   1219:        term_word(p, "\\(rB");
                   1220: }
                   1221:
                   1222:
                   1223: /* ARGSUSED */
                   1224: static int
                   1225: termp_xr_pre(DECL_ARGS)
                   1226: {
1.86      kristaps 1227:        const struct mdoc_node *nn;
1.1       kristaps 1228:
1.86      kristaps 1229:        assert(n->child && MDOC_TEXT == n->child->type);
                   1230:        nn = n->child;
1.11      kristaps 1231:
1.86      kristaps 1232:        term_word(p, nn->string);
                   1233:        if (NULL == (nn = nn->next))
1.1       kristaps 1234:                return(0);
                   1235:        p->flags |= TERMP_NOSPACE;
                   1236:        term_word(p, "(");
                   1237:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1238:        term_word(p, nn->string);
1.1       kristaps 1239:        p->flags |= TERMP_NOSPACE;
                   1240:        term_word(p, ")");
1.86      kristaps 1241:
1.1       kristaps 1242:        return(0);
                   1243: }
                   1244:
                   1245:
                   1246: /* ARGSUSED */
                   1247: static void
                   1248: termp_vt_post(DECL_ARGS)
                   1249: {
                   1250:
1.86      kristaps 1251:        if (n->sec != SEC_SYNOPSIS)
1.32      kristaps 1252:                return;
1.86      kristaps 1253:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1254:                term_newln(p);
1.86      kristaps 1255:        else if (n->next)
1.1       kristaps 1256:                term_vspace(p);
                   1257: }
                   1258:
                   1259:
                   1260: /* ARGSUSED */
                   1261: static int
1.69      kristaps 1262: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1263: {
                   1264:
1.69      kristaps 1265:        p->bold++;
1.1       kristaps 1266:        return(1);
                   1267: }
                   1268:
                   1269:
                   1270: /* ARGSUSED */
                   1271: static void
                   1272: termp_fd_post(DECL_ARGS)
                   1273: {
                   1274:
1.86      kristaps 1275:        if (n->sec != SEC_SYNOPSIS)
1.1       kristaps 1276:                return;
1.29      kristaps 1277:
1.1       kristaps 1278:        term_newln(p);
1.86      kristaps 1279:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1280:                term_vspace(p);
                   1281: }
                   1282:
                   1283:
                   1284: /* ARGSUSED */
                   1285: static int
                   1286: termp_sh_pre(DECL_ARGS)
                   1287: {
1.85      kristaps 1288:
                   1289:        /* No vspace between consecutive `Sh' calls. */
                   1290:
1.86      kristaps 1291:        switch (n->type) {
1.65      kristaps 1292:        case (MDOC_BLOCK):
1.86      kristaps 1293:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1294:                        if (NULL == n->prev->body->child)
1.65      kristaps 1295:                                break;
                   1296:                term_vspace(p);
                   1297:                break;
1.1       kristaps 1298:        case (MDOC_HEAD):
1.69      kristaps 1299:                p->bold++;
1.1       kristaps 1300:                break;
                   1301:        case (MDOC_BODY):
                   1302:                p->offset = INDENT;
                   1303:                break;
                   1304:        default:
                   1305:                break;
                   1306:        }
                   1307:        return(1);
                   1308: }
                   1309:
                   1310:
                   1311: /* ARGSUSED */
                   1312: static void
                   1313: termp_sh_post(DECL_ARGS)
                   1314: {
                   1315:
1.86      kristaps 1316:        switch (n->type) {
1.1       kristaps 1317:        case (MDOC_HEAD):
                   1318:                term_newln(p);
                   1319:                break;
                   1320:        case (MDOC_BODY):
                   1321:                term_newln(p);
                   1322:                p->offset = 0;
                   1323:                break;
                   1324:        default:
                   1325:                break;
                   1326:        }
                   1327: }
                   1328:
                   1329:
                   1330: /* ARGSUSED */
                   1331: static int
                   1332: termp_op_pre(DECL_ARGS)
                   1333: {
                   1334:
1.86      kristaps 1335:        switch (n->type) {
1.1       kristaps 1336:        case (MDOC_BODY):
                   1337:                term_word(p, "\\(lB");
                   1338:                p->flags |= TERMP_NOSPACE;
                   1339:                break;
                   1340:        default:
                   1341:                break;
                   1342:        }
                   1343:        return(1);
                   1344: }
                   1345:
                   1346:
                   1347: /* ARGSUSED */
                   1348: static int
                   1349: termp_bt_pre(DECL_ARGS)
                   1350: {
                   1351:
                   1352:        term_word(p, "is currently in beta test.");
1.81      kristaps 1353:        return(0);
1.1       kristaps 1354: }
                   1355:
                   1356:
                   1357: /* ARGSUSED */
                   1358: static void
                   1359: termp_lb_post(DECL_ARGS)
                   1360: {
                   1361:
1.86      kristaps 1362:        if (SEC_LIBRARY == n->sec)
1.81      kristaps 1363:                term_newln(p);
1.1       kristaps 1364: }
                   1365:
                   1366:
                   1367: /* ARGSUSED */
                   1368: static int
                   1369: termp_ud_pre(DECL_ARGS)
                   1370: {
                   1371:
                   1372:        term_word(p, "currently under development.");
1.86      kristaps 1373:        return(0);
1.1       kristaps 1374: }
                   1375:
                   1376:
                   1377: /* ARGSUSED */
                   1378: static int
                   1379: termp_d1_pre(DECL_ARGS)
                   1380: {
                   1381:
1.86      kristaps 1382:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1383:                return(1);
                   1384:        term_newln(p);
1.29      kristaps 1385:        p->offset += (INDENT + 1);
1.1       kristaps 1386:        return(1);
                   1387: }
                   1388:
                   1389:
                   1390: /* ARGSUSED */
                   1391: static void
                   1392: termp_d1_post(DECL_ARGS)
                   1393: {
                   1394:
1.86      kristaps 1395:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1396:                return;
                   1397:        term_newln(p);
                   1398: }
                   1399:
                   1400:
                   1401: /* ARGSUSED */
                   1402: static int
                   1403: termp_aq_pre(DECL_ARGS)
                   1404: {
                   1405:
1.86      kristaps 1406:        if (MDOC_BODY != n->type)
1.1       kristaps 1407:                return(1);
                   1408:        term_word(p, "\\(la");
                   1409:        p->flags |= TERMP_NOSPACE;
                   1410:        return(1);
                   1411: }
                   1412:
                   1413:
                   1414: /* ARGSUSED */
                   1415: static void
                   1416: termp_aq_post(DECL_ARGS)
                   1417: {
                   1418:
1.86      kristaps 1419:        if (MDOC_BODY != n->type)
1.1       kristaps 1420:                return;
                   1421:        p->flags |= TERMP_NOSPACE;
                   1422:        term_word(p, "\\(ra");
                   1423: }
                   1424:
                   1425:
                   1426: /* ARGSUSED */
                   1427: static int
                   1428: termp_ft_pre(DECL_ARGS)
                   1429: {
                   1430:
1.86      kristaps 1431:        if (SEC_SYNOPSIS == n->sec)
                   1432:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1433:                        term_vspace(p);
1.69      kristaps 1434:        p->under++;
1.1       kristaps 1435:        return(1);
                   1436: }
                   1437:
                   1438:
                   1439: /* ARGSUSED */
                   1440: static void
                   1441: termp_ft_post(DECL_ARGS)
                   1442: {
                   1443:
1.86      kristaps 1444:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1445:                term_newln(p);
                   1446: }
                   1447:
                   1448:
                   1449: /* ARGSUSED */
                   1450: static int
                   1451: termp_fn_pre(DECL_ARGS)
                   1452: {
1.86      kristaps 1453:        const struct mdoc_node  *nn;
1.1       kristaps 1454:
1.69      kristaps 1455:        p->bold++;
1.86      kristaps 1456:        term_word(p, n->child->string);
1.69      kristaps 1457:        p->bold--;
1.1       kristaps 1458:
                   1459:        p->flags |= TERMP_NOSPACE;
                   1460:        term_word(p, "(");
                   1461:
1.86      kristaps 1462:        for (nn = n->child->next; nn; nn = nn->next) {
1.69      kristaps 1463:                p->under++;
1.86      kristaps 1464:                term_word(p, nn->string);
1.69      kristaps 1465:                p->under--;
1.86      kristaps 1466:                if (nn->next)
1.1       kristaps 1467:                        term_word(p, ",");
                   1468:        }
                   1469:
                   1470:        term_word(p, ")");
                   1471:
1.86      kristaps 1472:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1473:                term_word(p, ";");
                   1474:
                   1475:        return(0);
                   1476: }
                   1477:
                   1478:
                   1479: /* ARGSUSED */
                   1480: static void
                   1481: termp_fn_post(DECL_ARGS)
                   1482: {
                   1483:
1.86      kristaps 1484:        if (n->sec == SEC_SYNOPSIS && n->next)
1.1       kristaps 1485:                term_vspace(p);
                   1486: }
                   1487:
                   1488:
                   1489: /* ARGSUSED */
                   1490: static int
                   1491: termp_fa_pre(DECL_ARGS)
                   1492: {
1.86      kristaps 1493:        const struct mdoc_node  *nn;
1.1       kristaps 1494:
1.86      kristaps 1495:        if (n->parent->tok != MDOC_Fo) {
1.69      kristaps 1496:                p->under++;
1.1       kristaps 1497:                return(1);
                   1498:        }
                   1499:
1.86      kristaps 1500:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1501:                p->under++;
1.86      kristaps 1502:                term_word(p, nn->string);
1.69      kristaps 1503:                p->under--;
1.86      kristaps 1504:                if (nn->next)
1.1       kristaps 1505:                        term_word(p, ",");
                   1506:        }
                   1507:
1.86      kristaps 1508:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1509:                term_word(p, ",");
                   1510:
                   1511:        return(0);
                   1512: }
                   1513:
                   1514:
                   1515: /* ARGSUSED */
                   1516: static int
                   1517: termp_bd_pre(DECL_ARGS)
                   1518: {
1.85      kristaps 1519:        int                      i, type;
                   1520:        const struct mdoc_node  *nn;
1.1       kristaps 1521:
1.86      kristaps 1522:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1523:                print_bvspace(p, n, n);
1.54      kristaps 1524:                return(1);
1.86      kristaps 1525:        } else if (MDOC_BODY != n->type)
1.1       kristaps 1526:                return(1);
                   1527:
1.86      kristaps 1528:        nn = n->parent;
1.11      kristaps 1529:
1.85      kristaps 1530:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
                   1531:                switch (nn->args->argv[i].arg) {
1.90      kristaps 1532:                case (MDOC_Centred):
                   1533:                        /* FALLTHROUGH */
1.1       kristaps 1534:                case (MDOC_Ragged):
                   1535:                        /* FALLTHROUGH */
                   1536:                case (MDOC_Filled):
                   1537:                        /* FALLTHROUGH */
                   1538:                case (MDOC_Unfilled):
                   1539:                        /* FALLTHROUGH */
                   1540:                case (MDOC_Literal):
1.85      kristaps 1541:                        type = nn->args->argv[i].arg;
                   1542:                        break;
                   1543:                case (MDOC_Offset):
1.96      kristaps 1544:                        p->offset += a2offs(&nn->args->argv[i]);
1.1       kristaps 1545:                        break;
                   1546:                default:
                   1547:                        break;
                   1548:                }
                   1549:        }
1.85      kristaps 1550:
                   1551:        /*
                   1552:         * If -ragged or -filled are specified, the block does nothing
                   1553:         * but change the indentation.  If -unfilled or -literal are
                   1554:         * specified, text is printed exactly as entered in the display:
                   1555:         * for macro lines, a newline is appended to the line.  Blank
                   1556:         * lines are allowed.
                   1557:         */
1.60      kristaps 1558:
                   1559:        assert(type > -1);
1.85      kristaps 1560:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1561:                return(1);
                   1562:
1.86      kristaps 1563:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1564:                p->flags |= TERMP_NOSPACE;
1.86      kristaps 1565:                print_node(p, pair, m, nn);
1.85      kristaps 1566:                if (NULL == nn->next)
                   1567:                        continue;
                   1568:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1569:                        term_flushln(p);
1.87      kristaps 1570:                else if (NULL == nn->prev)
                   1571:                        term_flushln(p);
1.1       kristaps 1572:        }
                   1573:
                   1574:        return(0);
                   1575: }
                   1576:
                   1577:
                   1578: /* ARGSUSED */
                   1579: static void
                   1580: termp_bd_post(DECL_ARGS)
                   1581: {
                   1582:
1.86      kristaps 1583:        if (MDOC_BODY != n->type)
1.1       kristaps 1584:                return;
1.60      kristaps 1585:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1586:        term_flushln(p);
                   1587: }
                   1588:
                   1589:
                   1590: /* ARGSUSED */
                   1591: static int
                   1592: termp_qq_pre(DECL_ARGS)
                   1593: {
                   1594:
1.86      kristaps 1595:        if (MDOC_BODY != n->type)
1.1       kristaps 1596:                return(1);
                   1597:        term_word(p, "\"");
                   1598:        p->flags |= TERMP_NOSPACE;
                   1599:        return(1);
                   1600: }
                   1601:
                   1602:
                   1603: /* ARGSUSED */
                   1604: static void
                   1605: termp_qq_post(DECL_ARGS)
                   1606: {
                   1607:
1.86      kristaps 1608:        if (MDOC_BODY != n->type)
1.1       kristaps 1609:                return;
                   1610:        p->flags |= TERMP_NOSPACE;
                   1611:        term_word(p, "\"");
                   1612: }
                   1613:
                   1614:
                   1615: /* ARGSUSED */
                   1616: static void
                   1617: termp_bx_post(DECL_ARGS)
                   1618: {
                   1619:
1.86      kristaps 1620:        if (n->child)
1.1       kristaps 1621:                p->flags |= TERMP_NOSPACE;
                   1622:        term_word(p, "BSD");
                   1623: }
                   1624:
                   1625:
                   1626: /* ARGSUSED */
                   1627: static int
1.26      kristaps 1628: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1629: {
1.26      kristaps 1630:        const char      *pp;
1.1       kristaps 1631:
1.26      kristaps 1632:        pp = NULL;
1.86      kristaps 1633:        switch (n->tok) {
1.26      kristaps 1634:        case (MDOC_Bsx):
                   1635:                pp = "BSDI BSD/OS";
                   1636:                break;
                   1637:        case (MDOC_Dx):
                   1638:                pp = "DragonFlyBSD";
                   1639:                break;
                   1640:        case (MDOC_Fx):
                   1641:                pp = "FreeBSD";
                   1642:                break;
                   1643:        case (MDOC_Nx):
                   1644:                pp = "NetBSD";
                   1645:                break;
                   1646:        case (MDOC_Ox):
                   1647:                pp = "OpenBSD";
                   1648:                break;
                   1649:        case (MDOC_Ux):
                   1650:                pp = "UNIX";
                   1651:                break;
                   1652:        default:
                   1653:                break;
                   1654:        }
1.1       kristaps 1655:
1.26      kristaps 1656:        assert(pp);
                   1657:        term_word(p, pp);
1.1       kristaps 1658:        return(1);
                   1659: }
                   1660:
                   1661:
                   1662: /* ARGSUSED */
                   1663: static int
                   1664: termp_sq_pre(DECL_ARGS)
                   1665: {
                   1666:
1.86      kristaps 1667:        if (MDOC_BODY != n->type)
1.1       kristaps 1668:                return(1);
                   1669:        term_word(p, "\\(oq");
                   1670:        p->flags |= TERMP_NOSPACE;
                   1671:        return(1);
                   1672: }
                   1673:
                   1674:
                   1675: /* ARGSUSED */
                   1676: static void
                   1677: termp_sq_post(DECL_ARGS)
                   1678: {
                   1679:
1.86      kristaps 1680:        if (MDOC_BODY != n->type)
1.1       kristaps 1681:                return;
                   1682:        p->flags |= TERMP_NOSPACE;
                   1683:        term_word(p, "\\(aq");
                   1684: }
                   1685:
                   1686:
                   1687: /* ARGSUSED */
                   1688: static int
                   1689: termp_pf_pre(DECL_ARGS)
                   1690: {
                   1691:
                   1692:        p->flags |= TERMP_IGNDELIM;
                   1693:        return(1);
                   1694: }
                   1695:
                   1696:
                   1697: /* ARGSUSED */
                   1698: static void
                   1699: termp_pf_post(DECL_ARGS)
                   1700: {
                   1701:
                   1702:        p->flags &= ~TERMP_IGNDELIM;
                   1703:        p->flags |= TERMP_NOSPACE;
                   1704: }
                   1705:
                   1706:
                   1707: /* ARGSUSED */
                   1708: static int
                   1709: termp_ss_pre(DECL_ARGS)
                   1710: {
                   1711:
1.86      kristaps 1712:        switch (n->type) {
1.1       kristaps 1713:        case (MDOC_BLOCK):
                   1714:                term_newln(p);
1.86      kristaps 1715:                if (n->prev)
1.1       kristaps 1716:                        term_vspace(p);
                   1717:                break;
                   1718:        case (MDOC_HEAD):
1.69      kristaps 1719:                p->bold++;
1.5       kristaps 1720:                p->offset = HALFINDENT;
1.1       kristaps 1721:                break;
                   1722:        default:
                   1723:                break;
                   1724:        }
                   1725:
                   1726:        return(1);
                   1727: }
                   1728:
                   1729:
                   1730: /* ARGSUSED */
                   1731: static void
                   1732: termp_ss_post(DECL_ARGS)
                   1733: {
                   1734:
1.86      kristaps 1735:        if (MDOC_HEAD == n->type)
1.1       kristaps 1736:                term_newln(p);
                   1737: }
                   1738:
                   1739:
                   1740: /* ARGSUSED */
                   1741: static int
                   1742: termp_cd_pre(DECL_ARGS)
                   1743: {
                   1744:
1.69      kristaps 1745:        p->bold++;
1.1       kristaps 1746:        term_newln(p);
                   1747:        return(1);
                   1748: }
                   1749:
                   1750:
                   1751: /* ARGSUSED */
                   1752: static int
                   1753: termp_in_pre(DECL_ARGS)
                   1754: {
                   1755:
1.69      kristaps 1756:        p->bold++;
1.86      kristaps 1757:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1758:                term_word(p, "#include");
                   1759:
1.1       kristaps 1760:        term_word(p, "<");
                   1761:        p->flags |= TERMP_NOSPACE;
                   1762:        return(1);
                   1763: }
                   1764:
                   1765:
                   1766: /* ARGSUSED */
                   1767: static void
                   1768: termp_in_post(DECL_ARGS)
                   1769: {
                   1770:
1.69      kristaps 1771:        p->bold++;
1.79      kristaps 1772:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1773:        term_word(p, ">");
1.69      kristaps 1774:        p->bold--;
1.1       kristaps 1775:
1.86      kristaps 1776:        if (SEC_SYNOPSIS != n->sec)
1.1       kristaps 1777:                return;
1.22      kristaps 1778:
                   1779:        term_newln(p);
                   1780:        /*
                   1781:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1782:         * the SYNOPSIS section, then it produces a single break after
                   1783:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1784:         * construction is rarely used, I think it's fine.
                   1785:         */
1.86      kristaps 1786:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1787:                term_vspace(p);
                   1788: }
                   1789:
                   1790:
                   1791: /* ARGSUSED */
                   1792: static int
1.45      kristaps 1793: termp_sp_pre(DECL_ARGS)
                   1794: {
1.91      kristaps 1795:        size_t           i, len;
1.45      kristaps 1796:
1.86      kristaps 1797:        switch (n->tok) {
1.76      kristaps 1798:        case (MDOC_sp):
1.96      kristaps 1799:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1800:                break;
                   1801:        case (MDOC_br):
                   1802:                len = 0;
                   1803:                break;
                   1804:        default:
                   1805:                len = 1;
                   1806:                break;
1.45      kristaps 1807:        }
                   1808:
                   1809:        if (0 == len)
                   1810:                term_newln(p);
                   1811:        for (i = 0; i < len; i++)
                   1812:                term_vspace(p);
                   1813:
                   1814:        return(0);
                   1815: }
                   1816:
                   1817:
                   1818: /* ARGSUSED */
                   1819: static int
1.1       kristaps 1820: termp_brq_pre(DECL_ARGS)
                   1821: {
                   1822:
1.86      kristaps 1823:        if (MDOC_BODY != n->type)
1.1       kristaps 1824:                return(1);
                   1825:        term_word(p, "\\(lC");
                   1826:        p->flags |= TERMP_NOSPACE;
                   1827:        return(1);
                   1828: }
                   1829:
                   1830:
                   1831: /* ARGSUSED */
                   1832: static void
                   1833: termp_brq_post(DECL_ARGS)
                   1834: {
                   1835:
1.86      kristaps 1836:        if (MDOC_BODY != n->type)
1.1       kristaps 1837:                return;
                   1838:        p->flags |= TERMP_NOSPACE;
                   1839:        term_word(p, "\\(rC");
                   1840: }
                   1841:
                   1842:
                   1843: /* ARGSUSED */
                   1844: static int
                   1845: termp_bq_pre(DECL_ARGS)
                   1846: {
                   1847:
1.86      kristaps 1848:        if (MDOC_BODY != n->type)
1.1       kristaps 1849:                return(1);
                   1850:        term_word(p, "\\(lB");
                   1851:        p->flags |= TERMP_NOSPACE;
                   1852:        return(1);
                   1853: }
                   1854:
                   1855:
                   1856: /* ARGSUSED */
                   1857: static void
                   1858: termp_bq_post(DECL_ARGS)
                   1859: {
                   1860:
1.86      kristaps 1861:        if (MDOC_BODY != n->type)
1.1       kristaps 1862:                return;
                   1863:        p->flags |= TERMP_NOSPACE;
                   1864:        term_word(p, "\\(rB");
                   1865: }
                   1866:
                   1867:
                   1868: /* ARGSUSED */
                   1869: static int
                   1870: termp_pq_pre(DECL_ARGS)
                   1871: {
                   1872:
1.86      kristaps 1873:        if (MDOC_BODY != n->type)
1.1       kristaps 1874:                return(1);
                   1875:        term_word(p, "\\&(");
                   1876:        p->flags |= TERMP_NOSPACE;
                   1877:        return(1);
                   1878: }
                   1879:
                   1880:
                   1881: /* ARGSUSED */
                   1882: static void
                   1883: termp_pq_post(DECL_ARGS)
                   1884: {
                   1885:
1.86      kristaps 1886:        if (MDOC_BODY != n->type)
1.1       kristaps 1887:                return;
                   1888:        term_word(p, ")");
                   1889: }
                   1890:
                   1891:
                   1892: /* ARGSUSED */
                   1893: static int
                   1894: termp_fo_pre(DECL_ARGS)
                   1895: {
1.86      kristaps 1896:        const struct mdoc_node *nn;
1.1       kristaps 1897:
1.86      kristaps 1898:        if (MDOC_BODY == n->type) {
1.33      kristaps 1899:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1900:                term_word(p, "(");
                   1901:                p->flags |= TERMP_NOSPACE;
                   1902:                return(1);
1.86      kristaps 1903:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1904:                return(1);
                   1905:
1.69      kristaps 1906:        p->bold++;
1.86      kristaps 1907:        for (nn = n->child; nn; nn = nn->next) {
                   1908:                assert(MDOC_TEXT == nn->type);
                   1909:                term_word(p, nn->string);
1.1       kristaps 1910:        }
1.69      kristaps 1911:        p->bold--;
1.1       kristaps 1912:
                   1913:        return(0);
                   1914: }
                   1915:
                   1916:
                   1917: /* ARGSUSED */
                   1918: static void
                   1919: termp_fo_post(DECL_ARGS)
                   1920: {
                   1921:
1.86      kristaps 1922:        if (MDOC_BODY != n->type)
1.1       kristaps 1923:                return;
                   1924:        p->flags |= TERMP_NOSPACE;
                   1925:        term_word(p, ")");
                   1926:        p->flags |= TERMP_NOSPACE;
                   1927:        term_word(p, ";");
                   1928:        term_newln(p);
                   1929: }
                   1930:
                   1931:
                   1932: /* ARGSUSED */
                   1933: static int
                   1934: termp_bf_pre(DECL_ARGS)
                   1935: {
1.86      kristaps 1936:        const struct mdoc_node  *nn;
1.1       kristaps 1937:
1.86      kristaps 1938:        if (MDOC_HEAD == n->type)
1.1       kristaps 1939:                return(0);
1.86      kristaps 1940:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 1941:                return(1);
                   1942:
1.86      kristaps 1943:        if (NULL == (nn = n->head->child)) {
                   1944:                if (arg_hasattr(MDOC_Emphasis, n))
1.69      kristaps 1945:                        p->under++;
1.86      kristaps 1946:                else if (arg_hasattr(MDOC_Symbolic, n))
1.69      kristaps 1947:                        p->bold++;
1.1       kristaps 1948:
                   1949:                return(1);
                   1950:        }
                   1951:
1.86      kristaps 1952:        assert(MDOC_TEXT == nn->type);
                   1953:        if (0 == strcmp("Em", nn->string))
1.69      kristaps 1954:                p->under++;
1.86      kristaps 1955:        else if (0 == strcmp("Sy", nn->string))
1.69      kristaps 1956:                p->bold++;
1.1       kristaps 1957:
                   1958:        return(1);
                   1959: }
                   1960:
                   1961:
                   1962: /* ARGSUSED */
                   1963: static int
                   1964: termp_sm_pre(DECL_ARGS)
                   1965: {
                   1966:
1.86      kristaps 1967:        assert(n->child && MDOC_TEXT == n->child->type);
                   1968:        if (0 == strcmp("on", n->child->string)) {
1.1       kristaps 1969:                p->flags &= ~TERMP_NONOSPACE;
                   1970:                p->flags &= ~TERMP_NOSPACE;
                   1971:        } else
                   1972:                p->flags |= TERMP_NONOSPACE;
                   1973:
                   1974:        return(0);
                   1975: }
                   1976:
                   1977:
                   1978: /* ARGSUSED */
                   1979: static int
                   1980: termp_ap_pre(DECL_ARGS)
                   1981: {
                   1982:
                   1983:        p->flags |= TERMP_NOSPACE;
                   1984:        term_word(p, "\\(aq");
                   1985:        p->flags |= TERMP_NOSPACE;
                   1986:        return(1);
                   1987: }
                   1988:
                   1989:
                   1990: /* ARGSUSED */
                   1991: static void
                   1992: termp____post(DECL_ARGS)
                   1993: {
                   1994:
1.95      kristaps 1995:        /* TODO: %U. */
                   1996:
1.1       kristaps 1997:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1998:        switch (n->tok) {
1.84      kristaps 1999:        case (MDOC__T):
                   2000:                term_word(p, "\\(rq");
                   2001:                p->flags |= TERMP_NOSPACE;
                   2002:                break;
                   2003:        default:
                   2004:                break;
                   2005:        }
1.86      kristaps 2006:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2007: }
                   2008:
                   2009:
                   2010: /* ARGSUSED */
                   2011: static int
                   2012: termp_lk_pre(DECL_ARGS)
                   2013: {
1.86      kristaps 2014:        const struct mdoc_node *nn;
1.1       kristaps 2015:
1.96      kristaps 2016:        p->under++;
                   2017:        nn = n->child;
                   2018:
                   2019:        if (NULL == nn->next)
1.12      kristaps 2020:                return(1);
                   2021:
1.86      kristaps 2022:        term_word(p, nn->string);
1.96      kristaps 2023:        p->under--;
                   2024:
1.1       kristaps 2025:        p->flags |= TERMP_NOSPACE;
                   2026:        term_word(p, ":");
                   2027:
1.69      kristaps 2028:        p->bold++;
1.86      kristaps 2029:        for (nn = nn->next; nn; nn = nn->next)
                   2030:                term_word(p, nn->string);
1.69      kristaps 2031:        p->bold--;
1.12      kristaps 2032:
1.1       kristaps 2033:        return(0);
                   2034: }
                   2035:
                   2036:
                   2037: /* ARGSUSED */
                   2038: static int
1.69      kristaps 2039: termp_under_pre(DECL_ARGS)
1.1       kristaps 2040: {
                   2041:
1.69      kristaps 2042:        p->under++;
1.1       kristaps 2043:        return(1);
                   2044: }
1.83      kristaps 2045:
1.84      kristaps 2046:
                   2047: /* ARGSUSED */
                   2048: static int
                   2049: termp__t_pre(DECL_ARGS)
                   2050: {
                   2051:
                   2052:        term_word(p, "\\(lq");
                   2053:        p->flags |= TERMP_NOSPACE;
                   2054:        return(1);
                   2055: }

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