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Annotation of mandoc/mdoc_term.c, Revision 1.88

1.88    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.87 2009/10/07 12:20:20 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:
                     26: #include "term.h"
                     27: #include "mdoc.h"
                     28:
1.66      kristaps   29: #define        INDENT            5
                     30: #define        HALFINDENT        3
                     31:
1.1       kristaps   32: struct termpair {
                     33:        struct termpair  *ppair;
1.31      kristaps   34:        int               flag;
                     35:        int               count;
1.1       kristaps   36: };
                     37:
1.31      kristaps   38: #define        DECL_ARGS struct termp *p, \
                     39:                  struct termpair *pair, \
1.86      kristaps   40:                  const struct mdoc_meta *m, \
                     41:                  const struct mdoc_node *n
1.1       kristaps   42:
                     43: struct termact {
                     44:        int     (*pre)(DECL_ARGS);
                     45:        void    (*post)(DECL_ARGS);
                     46: };
                     47:
1.31      kristaps   48: static void      termp____post(DECL_ARGS);
1.61      kristaps   49: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   50: static void      termp_aq_post(DECL_ARGS);
                     51: static void      termp_bd_post(DECL_ARGS);
                     52: static void      termp_bl_post(DECL_ARGS);
                     53: static void      termp_bq_post(DECL_ARGS);
                     54: static void      termp_brq_post(DECL_ARGS);
                     55: static void      termp_bx_post(DECL_ARGS);
                     56: static void      termp_d1_post(DECL_ARGS);
                     57: static void      termp_dq_post(DECL_ARGS);
                     58: static void      termp_fd_post(DECL_ARGS);
                     59: static void      termp_fn_post(DECL_ARGS);
                     60: static void      termp_fo_post(DECL_ARGS);
                     61: static void      termp_ft_post(DECL_ARGS);
                     62: static void      termp_in_post(DECL_ARGS);
                     63: static void      termp_it_post(DECL_ARGS);
                     64: static void      termp_lb_post(DECL_ARGS);
                     65: static void      termp_op_post(DECL_ARGS);
                     66: static void      termp_pf_post(DECL_ARGS);
                     67: static void      termp_pq_post(DECL_ARGS);
                     68: static void      termp_qq_post(DECL_ARGS);
                     69: static void      termp_sh_post(DECL_ARGS);
                     70: static void      termp_sq_post(DECL_ARGS);
                     71: static void      termp_ss_post(DECL_ARGS);
                     72: static void      termp_vt_post(DECL_ARGS);
                     73:
1.84      kristaps   74: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   75: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   76: static int       termp_ap_pre(DECL_ARGS);
                     77: static int       termp_aq_pre(DECL_ARGS);
                     78: static int       termp_bd_pre(DECL_ARGS);
                     79: static int       termp_bf_pre(DECL_ARGS);
1.69      kristaps   80: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   81: static int       termp_bq_pre(DECL_ARGS);
                     82: static int       termp_brq_pre(DECL_ARGS);
                     83: static int       termp_bt_pre(DECL_ARGS);
                     84: static int       termp_cd_pre(DECL_ARGS);
                     85: static int       termp_d1_pre(DECL_ARGS);
                     86: static int       termp_dq_pre(DECL_ARGS);
                     87: static int       termp_ex_pre(DECL_ARGS);
                     88: static int       termp_fa_pre(DECL_ARGS);
                     89: static int       termp_fl_pre(DECL_ARGS);
                     90: static int       termp_fn_pre(DECL_ARGS);
                     91: static int       termp_fo_pre(DECL_ARGS);
                     92: static int       termp_ft_pre(DECL_ARGS);
                     93: static int       termp_in_pre(DECL_ARGS);
                     94: static int       termp_it_pre(DECL_ARGS);
                     95: static int       termp_lk_pre(DECL_ARGS);
                     96: static int       termp_nd_pre(DECL_ARGS);
                     97: static int       termp_nm_pre(DECL_ARGS);
                     98: static int       termp_ns_pre(DECL_ARGS);
                     99: static int       termp_op_pre(DECL_ARGS);
                    100: static int       termp_pf_pre(DECL_ARGS);
                    101: static int       termp_pq_pre(DECL_ARGS);
                    102: static int       termp_qq_pre(DECL_ARGS);
                    103: static int       termp_rs_pre(DECL_ARGS);
                    104: static int       termp_rv_pre(DECL_ARGS);
                    105: static int       termp_sh_pre(DECL_ARGS);
                    106: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  107: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  108: static int       termp_sq_pre(DECL_ARGS);
                    109: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  110: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  111: static int       termp_ud_pre(DECL_ARGS);
                    112: static int       termp_xr_pre(DECL_ARGS);
                    113: static int       termp_xx_pre(DECL_ARGS);
                    114:
1.70      kristaps  115: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  116:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  117:        { NULL, NULL }, /* Dd */
                    118:        { NULL, NULL }, /* Dt */
                    119:        { NULL, NULL }, /* Os */
                    120:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    121:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  122:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  123:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    124:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    125:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    126:        { NULL, NULL }, /* Ed */
                    127:        { NULL, termp_bl_post }, /* Bl */
                    128:        { NULL, NULL }, /* El */
                    129:        { termp_it_pre, termp_it_post }, /* It */
                    130:        { NULL, NULL }, /* Ad */
1.61      kristaps  131:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  132:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  133:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  134:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  135:        { NULL, NULL }, /* Dv */
                    136:        { NULL, NULL }, /* Er */
                    137:        { NULL, NULL }, /* Ev */
                    138:        { termp_ex_pre, NULL }, /* Ex */
                    139:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  140:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  141:        { termp_fl_pre, NULL }, /* Fl */
                    142:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    143:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  144:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  145:        { termp_in_pre, termp_in_post }, /* In */
                    146:        { NULL, NULL }, /* Li */
                    147:        { termp_nd_pre, NULL }, /* Nd */
                    148:        { termp_nm_pre, NULL }, /* Nm */
                    149:        { termp_op_pre, termp_op_post }, /* Op */
                    150:        { NULL, NULL }, /* Ot */
1.69      kristaps  151:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  152:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  153:        { NULL, NULL }, /* St */
1.69      kristaps  154:        { termp_under_pre, NULL }, /* Va */
1.70      kristaps  155:        { termp_under_pre, termp_vt_post }, /* Vt */
1.1       kristaps  156:        { termp_xr_pre, NULL }, /* Xr */
                    157:        { NULL, termp____post }, /* %A */
1.84      kristaps  158:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  159:        { NULL, termp____post }, /* %D */
1.84      kristaps  160:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  161:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  162:        { NULL, termp____post }, /* %N */
                    163:        { NULL, termp____post }, /* %O */
                    164:        { NULL, termp____post }, /* %P */
                    165:        { NULL, termp____post }, /* %R */
1.84      kristaps  166:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  167:        { NULL, termp____post }, /* %V */
                    168:        { NULL, NULL }, /* Ac */
                    169:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    170:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  171:        { NULL, NULL }, /* At */
1.1       kristaps  172:        { NULL, NULL }, /* Bc */
                    173:        { termp_bf_pre, NULL }, /* Bf */
                    174:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    175:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  176:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  177:        { NULL, termp_bx_post }, /* Bx */
                    178:        { NULL, NULL }, /* Db */
                    179:        { NULL, NULL }, /* Dc */
                    180:        { termp_dq_pre, termp_dq_post }, /* Do */
                    181:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    182:        { NULL, NULL }, /* Ec */
                    183:        { NULL, NULL }, /* Ef */
1.69      kristaps  184:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  185:        { NULL, NULL }, /* Eo */
1.26      kristaps  186:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  187:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  188:        { NULL, NULL }, /* No */
                    189:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  190:        { termp_xx_pre, NULL }, /* Nx */
                    191:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  192:        { NULL, NULL }, /* Pc */
                    193:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    194:        { termp_pq_pre, termp_pq_post }, /* Po */
                    195:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    196:        { NULL, NULL }, /* Qc */
                    197:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    198:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    199:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    200:        { NULL, NULL }, /* Re */
                    201:        { termp_rs_pre, NULL }, /* Rs */
                    202:        { NULL, NULL }, /* Sc */
                    203:        { termp_sq_pre, termp_sq_post }, /* So */
                    204:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    205:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  206:        { termp_under_pre, NULL }, /* Sx */
                    207:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  208:        { NULL, NULL }, /* Tn */
1.26      kristaps  209:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  210:        { NULL, NULL }, /* Xc */
                    211:        { NULL, NULL }, /* Xo */
                    212:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    213:        { NULL, NULL }, /* Fc */
                    214:        { termp_op_pre, termp_op_post }, /* Oo */
                    215:        { NULL, NULL }, /* Oc */
                    216:        { NULL, NULL }, /* Bk */
                    217:        { NULL, NULL }, /* Ek */
                    218:        { termp_bt_pre, NULL }, /* Bt */
                    219:        { NULL, NULL }, /* Hf */
                    220:        { NULL, NULL }, /* Fr */
                    221:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  222:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  223:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  224:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  225:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  226:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    227:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    228:        { NULL, NULL }, /* Brc */
1.83      kristaps  229:        { NULL, termp____post }, /* %C */
1.81      kristaps  230:        { NULL, NULL }, /* Es */ /* TODO */
                    231:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  232:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  233:        { NULL, termp____post }, /* %Q */
1.76      kristaps  234:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  235:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  236: };
                    237:
1.2       kristaps  238: #ifdef __linux__
1.9       kristaps  239: extern size_t    strlcpy(char *, const char *, size_t);
                    240: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  241: #endif
                    242:
1.1       kristaps  243: static int       arg_hasattr(int, const struct mdoc_node *);
                    244: static int       arg_getattrs(const int *, int *, size_t,
                    245:                        const struct mdoc_node *);
                    246: static int       arg_getattr(int, const struct mdoc_node *);
                    247: static size_t    arg_offset(const struct mdoc_argv *);
                    248: static size_t    arg_width(const struct mdoc_argv *, int);
                    249: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  250: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  251:                        const struct mdoc_node *,
                    252:                        const struct mdoc_node *);
1.3       kristaps  253: static void      print_node(DECL_ARGS);
1.70      kristaps  254: static void      print_head(DECL_ARGS);
1.3       kristaps  255: static void      print_body(DECL_ARGS);
1.70      kristaps  256: static void      print_foot(DECL_ARGS);
1.1       kristaps  257:
                    258:
1.70      kristaps  259: void
                    260: mdoc_run(struct termp *p, const struct mdoc *mdoc)
1.1       kristaps  261: {
1.70      kristaps  262:        const struct mdoc_node  *n;
                    263:        const struct mdoc_meta  *m;
                    264:
                    265:        n = mdoc_node(mdoc);
                    266:        m = mdoc_meta(mdoc);
                    267:
                    268:        print_head(p, NULL, m, n);
                    269:        if (n->child)
                    270:                print_body(p, NULL, m, n->child);
                    271:        print_foot(p, NULL, m, n);
1.1       kristaps  272: }
                    273:
                    274:
1.3       kristaps  275: static void
1.1       kristaps  276: print_body(DECL_ARGS)
                    277: {
                    278:
1.86      kristaps  279:        print_node(p, pair, m, n);
                    280:        if (n->next)
                    281:                print_body(p, pair, m, n->next);
1.1       kristaps  282: }
                    283:
                    284:
1.70      kristaps  285: /* ARGSUSED */
1.3       kristaps  286: static void
1.1       kristaps  287: print_node(DECL_ARGS)
                    288: {
1.70      kristaps  289:        int              chld, bold, under;
1.1       kristaps  290:        struct termpair  npair;
1.30      kristaps  291:        size_t           offset, rmargin;
1.1       kristaps  292:
1.70      kristaps  293:        chld = 1;
1.29      kristaps  294:        offset = p->offset;
1.30      kristaps  295:        rmargin = p->rmargin;
1.69      kristaps  296:        bold = p->bold;
                    297:        under = p->under;
1.29      kristaps  298:
1.70      kristaps  299:        bzero(&npair, sizeof(struct termpair));
1.1       kristaps  300:        npair.ppair = pair;
1.46      kristaps  301:
1.86      kristaps  302:        if (MDOC_TEXT != n->type) {
                    303:                if (termacts[n->tok].pre)
                    304:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  305:        } else
1.86      kristaps  306:                term_word(p, n->string);
                    307:        if (chld && n->child)
                    308:                print_body(p, &npair, m, n->child);
1.1       kristaps  309:
1.70      kristaps  310:        /*
                    311:         * XXX - if bold/under were to span scopes, this wouldn't be
                    312:         * possible, but because decoration is always in-scope, we can
                    313:         * get away with this.
                    314:         */
1.1       kristaps  315:
1.69      kristaps  316:        p->bold = bold;
                    317:        p->under = under;
1.46      kristaps  318:
1.86      kristaps  319:        if (MDOC_TEXT != n->type)
                    320:                if (termacts[n->tok].post)
                    321:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.29      kristaps  322:
                    323:        p->offset = offset;
1.30      kristaps  324:        p->rmargin = rmargin;
1.1       kristaps  325: }
                    326:
                    327:
1.70      kristaps  328: /* ARGSUSED */
1.3       kristaps  329: static void
1.70      kristaps  330: print_foot(DECL_ARGS)
1.1       kristaps  331: {
                    332:        struct tm       *tm;
                    333:        char            *buf, *os;
                    334:
1.9       kristaps  335:        /*
                    336:         * Output the footer in new-groff style, that is, three columns
                    337:         * with the middle being the manual date and flanking columns
                    338:         * being the operating system:
                    339:         *
                    340:         * SYSTEM                  DATE                    SYSTEM
                    341:         */
                    342:
1.1       kristaps  343:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  344:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  345:        if (NULL == (os = malloc(p->rmargin)))
1.70      kristaps  346:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  347:
1.86      kristaps  348:        tm = localtime(&m->date);
1.1       kristaps  349:
1.42      kristaps  350:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.70      kristaps  351:                err(EXIT_FAILURE, "strftime");
1.1       kristaps  352:
1.86      kristaps  353:        (void)strlcpy(os, m->os, p->rmargin);
1.1       kristaps  354:
                    355:        term_vspace(p);
                    356:
1.9       kristaps  357:        p->offset = 0;
                    358:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  359:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    360:
                    361:        term_word(p, os);
                    362:        term_flushln(p);
                    363:
1.9       kristaps  364:        p->offset = p->rmargin;
                    365:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  366:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  367:
                    368:        term_word(p, buf);
                    369:        term_flushln(p);
                    370:
1.1       kristaps  371:        p->offset = p->rmargin;
                    372:        p->rmargin = p->maxrmargin;
                    373:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  374:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  375:
1.9       kristaps  376:        term_word(p, os);
1.1       kristaps  377:        term_flushln(p);
                    378:
1.9       kristaps  379:        p->offset = 0;
                    380:        p->rmargin = p->maxrmargin;
                    381:        p->flags = 0;
                    382:
1.1       kristaps  383:        free(buf);
                    384:        free(os);
                    385: }
                    386:
                    387:
1.75      kristaps  388: /* FIXME: put in utility library. */
1.70      kristaps  389: /* ARGSUSED */
1.3       kristaps  390: static void
1.70      kristaps  391: print_head(DECL_ARGS)
1.1       kristaps  392: {
                    393:        char            *buf, *title;
                    394:
                    395:        p->rmargin = p->maxrmargin;
                    396:        p->offset = 0;
                    397:
                    398:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  399:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  400:        if (NULL == (title = malloc(p->rmargin)))
1.70      kristaps  401:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  402:
                    403:        /*
                    404:         * The header is strange.  It has three components, which are
                    405:         * really two with the first duplicated.  It goes like this:
                    406:         *
                    407:         * IDENTIFIER              TITLE                   IDENTIFIER
                    408:         *
                    409:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    410:         * (if given, or "unknown" if not) followed by the manual page
                    411:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    412:         * string depending on the manual volume.  If not specified, it
                    413:         * switches on the manual section.
                    414:         */
                    415:
1.86      kristaps  416:        assert(m->vol);
                    417:        (void)strlcpy(buf, m->vol, p->rmargin);
1.1       kristaps  418:
1.86      kristaps  419:        if (m->arch) {
1.1       kristaps  420:                (void)strlcat(buf, " (", p->rmargin);
1.86      kristaps  421:                (void)strlcat(buf, m->arch, p->rmargin);
1.1       kristaps  422:                (void)strlcat(buf, ")", p->rmargin);
                    423:        }
                    424:
1.86      kristaps  425:        snprintf(title, p->rmargin, "%s(%d)", m->title, m->msec);
1.1       kristaps  426:
                    427:        p->offset = 0;
1.8       kristaps  428:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  429:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    430:
                    431:        term_word(p, title);
                    432:        term_flushln(p);
                    433:
                    434:        p->offset = p->rmargin;
                    435:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  436:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  437:
                    438:        term_word(p, buf);
                    439:        term_flushln(p);
                    440:
                    441:        p->offset = p->rmargin;
                    442:        p->rmargin = p->maxrmargin;
                    443:        p->flags &= ~TERMP_NOBREAK;
                    444:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    445:
                    446:        term_word(p, title);
                    447:        term_flushln(p);
                    448:
1.9       kristaps  449:        p->offset = 0;
1.1       kristaps  450:        p->rmargin = p->maxrmargin;
                    451:        p->flags &= ~TERMP_NOSPACE;
                    452:
                    453:        free(title);
                    454:        free(buf);
                    455: }
                    456:
                    457:
1.72      kristaps  458: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  459: static size_t
                    460: arg_width(const struct mdoc_argv *arg, int pos)
                    461: {
                    462:        int              i, len;
1.40      kristaps  463:        const char      *p;
1.1       kristaps  464:
                    465:        assert(pos < (int)arg->sz && pos >= 0);
                    466:        assert(arg->value[pos]);
                    467:
1.40      kristaps  468:        p = arg->value[pos];
                    469:
                    470:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  471:                return(0);
                    472:
                    473:        for (i = 0; i < len - 1; i++)
1.40      kristaps  474:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  475:                        break;
                    476:
1.40      kristaps  477:        if (i == len - 1)
                    478:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    479:                        return((size_t)atoi(p) + 2);
1.1       kristaps  480:
1.40      kristaps  481:        return((size_t)len + 2);
1.1       kristaps  482: }
                    483:
                    484:
1.73      kristaps  485: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  486: static int
                    487: arg_listtype(const struct mdoc_node *n)
                    488: {
                    489:        int              i, len;
                    490:
                    491:        assert(MDOC_BLOCK == n->type);
                    492:
                    493:        len = (int)(n->args ? n->args->argc : 0);
                    494:
                    495:        for (i = 0; i < len; i++)
                    496:                switch (n->args->argv[i].arg) {
                    497:                case (MDOC_Bullet):
                    498:                        /* FALLTHROUGH */
                    499:                case (MDOC_Dash):
                    500:                        /* FALLTHROUGH */
                    501:                case (MDOC_Enum):
                    502:                        /* FALLTHROUGH */
                    503:                case (MDOC_Hyphen):
                    504:                        /* FALLTHROUGH */
                    505:                case (MDOC_Tag):
                    506:                        /* FALLTHROUGH */
                    507:                case (MDOC_Inset):
                    508:                        /* FALLTHROUGH */
                    509:                case (MDOC_Diag):
                    510:                        /* FALLTHROUGH */
                    511:                case (MDOC_Item):
                    512:                        /* FALLTHROUGH */
                    513:                case (MDOC_Column):
                    514:                        /* FALLTHROUGH */
1.38      kristaps  515:                case (MDOC_Hang):
                    516:                        /* FALLTHROUGH */
1.1       kristaps  517:                case (MDOC_Ohang):
                    518:                        return(n->args->argv[i].arg);
                    519:                default:
                    520:                        break;
                    521:                }
                    522:
1.38      kristaps  523:        return(-1);
1.1       kristaps  524: }
                    525:
                    526:
1.72      kristaps  527: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  528: static size_t
                    529: arg_offset(const struct mdoc_argv *arg)
                    530: {
1.40      kristaps  531:        int              len, i;
                    532:        const char      *p;
1.1       kristaps  533:
                    534:        assert(*arg->value);
1.40      kristaps  535:        p = *arg->value;
                    536:
                    537:        if (0 == strcmp(p, "left"))
1.19      kristaps  538:                return(0);
1.40      kristaps  539:        if (0 == strcmp(p, "indent"))
1.16      kristaps  540:                return(INDENT + 1);
1.40      kristaps  541:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  542:                return((INDENT + 1) * 2);
1.10      kristaps  543:
1.40      kristaps  544:        if (0 == (len = (int)strlen(p)))
                    545:                return(0);
                    546:
                    547:        for (i = 0; i < len - 1; i++)
                    548:                if ( ! isdigit((u_char)p[i]))
                    549:                        break;
                    550:
                    551:        if (i == len - 1)
                    552:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    553:                        return((size_t)atoi(p));
1.11      kristaps  554:
1.40      kristaps  555:        return((size_t)len);
1.1       kristaps  556: }
                    557:
                    558:
                    559: static int
                    560: arg_hasattr(int arg, const struct mdoc_node *n)
                    561: {
                    562:
                    563:        return(-1 != arg_getattr(arg, n));
                    564: }
                    565:
                    566:
                    567: static int
                    568: arg_getattr(int v, const struct mdoc_node *n)
                    569: {
                    570:        int              val;
                    571:
                    572:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    573: }
                    574:
                    575:
                    576: static int
                    577: arg_getattrs(const int *keys, int *vals,
                    578:                size_t sz, const struct mdoc_node *n)
                    579: {
                    580:        int              i, j, k;
                    581:
                    582:        if (NULL == n->args)
                    583:                return(0);
                    584:
                    585:        for (k = i = 0; i < (int)n->args->argc; i++)
                    586:                for (j = 0; j < (int)sz; j++)
                    587:                        if (n->args->argv[i].arg == keys[j]) {
                    588:                                vals[j] = i;
                    589:                                k++;
                    590:                        }
                    591:        return(k);
                    592: }
                    593:
                    594:
                    595: /* ARGSUSED */
1.54      kristaps  596: static void
1.1       kristaps  597: fmt_block_vspace(struct termp *p,
                    598:                const struct mdoc_node *bl,
1.86      kristaps  599:                const struct mdoc_node *n)
1.1       kristaps  600: {
1.86      kristaps  601:        const struct mdoc_node  *nn;
1.1       kristaps  602:
                    603:        term_newln(p);
1.85      kristaps  604:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  605:                return;
                    606:
1.85      kristaps  607:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  608:
1.86      kristaps  609:        for (nn = n; nn; nn = nn->parent) {
                    610:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  611:                        continue;
1.86      kristaps  612:                if (MDOC_Ss == nn->tok)
1.54      kristaps  613:                        return;
1.86      kristaps  614:                if (MDOC_Sh == nn->tok)
1.54      kristaps  615:                        return;
1.86      kristaps  616:                if (NULL == nn->prev)
1.1       kristaps  617:                        continue;
                    618:                break;
                    619:        }
                    620:
1.85      kristaps  621:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  622:
1.59      kristaps  623:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.86      kristaps  624:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  625:                        return;
                    626:
1.85      kristaps  627:        /* A `-diag' without body does not vspace. */
                    628:
1.59      kristaps  629:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.86      kristaps  630:                if (n->prev && MDOC_It == n->prev->tok) {
                    631:                        assert(n->prev->body);
                    632:                        if (NULL == n->prev->body->child)
1.55      kristaps  633:                                return;
                    634:                }
                    635:
1.54      kristaps  636:        term_vspace(p);
1.1       kristaps  637: }
                    638:
                    639:
                    640: /* ARGSUSED */
                    641: static int
                    642: termp_dq_pre(DECL_ARGS)
                    643: {
                    644:
1.86      kristaps  645:        if (MDOC_BODY != n->type)
1.1       kristaps  646:                return(1);
                    647:
                    648:        term_word(p, "\\(lq");
                    649:        p->flags |= TERMP_NOSPACE;
                    650:        return(1);
                    651: }
                    652:
                    653:
                    654: /* ARGSUSED */
                    655: static void
                    656: termp_dq_post(DECL_ARGS)
                    657: {
                    658:
1.86      kristaps  659:        if (MDOC_BODY != n->type)
1.1       kristaps  660:                return;
                    661:
                    662:        p->flags |= TERMP_NOSPACE;
                    663:        term_word(p, "\\(rq");
                    664: }
                    665:
                    666:
                    667: /* ARGSUSED */
                    668: static int
                    669: termp_it_pre(DECL_ARGS)
                    670: {
1.86      kristaps  671:        const struct mdoc_node *bl, *nn;
1.1       kristaps  672:        char                    buf[7];
1.39      kristaps  673:        int                     i, type, keys[3], vals[3];
1.1       kristaps  674:        size_t                  width, offset;
                    675:
1.86      kristaps  676:        if (MDOC_BLOCK == n->type) {
                    677:                fmt_block_vspace(p, n->parent->parent, n);
1.54      kristaps  678:                return(1);
                    679:        }
1.1       kristaps  680:
1.86      kristaps  681:        bl = n->parent->parent->parent;
1.1       kristaps  682:
                    683:        /* Save parent attributes. */
                    684:
                    685:        pair->flag = p->flags;
                    686:
                    687:        /* Get list width and offset. */
                    688:
                    689:        keys[0] = MDOC_Width;
                    690:        keys[1] = MDOC_Offset;
                    691:        keys[2] = MDOC_Column;
                    692:
                    693:        vals[0] = vals[1] = vals[2] = -1;
                    694:
                    695:        width = offset = 0;
                    696:
                    697:        (void)arg_getattrs(keys, vals, 3, bl);
                    698:
                    699:        type = arg_listtype(bl);
1.38      kristaps  700:        assert(-1 != type);
1.1       kristaps  701:
                    702:        /* Calculate real width and offset. */
                    703:
                    704:        switch (type) {
                    705:        case (MDOC_Column):
1.86      kristaps  706:                if (MDOC_BODY == n->type)
1.1       kristaps  707:                        break;
1.58      kristaps  708:                /*
                    709:                 * Work around groff's column handling.  The offset is
                    710:                 * equal to the sum of all widths leading to the current
                    711:                 * column (plus the -offset value).  If this column
                    712:                 * exceeds the stated number of columns, the width is
                    713:                 * set as 0, else it's the stated column width (later
                    714:                 * the 0 will be adjusted to default 10 or, if in the
                    715:                 * last column case, set to stretch to the margin).
                    716:                 */
1.86      kristaps  717:                for (i = 0, nn = n->prev; nn &&
1.78      kristaps  718:                                i < (int)bl->args->argv[vals[2]].sz;
1.86      kristaps  719:                                nn = nn->prev, i++)
1.1       kristaps  720:                        offset += arg_width
                    721:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  722:
                    723:                /* Whether exceeds maximum column. */
1.78      kristaps  724:                if (i < (int)bl->args->argv[vals[2]].sz)
1.58      kristaps  725:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    726:                else
                    727:                        width = 0;
                    728:
1.1       kristaps  729:                if (vals[1] >= 0)
                    730:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    731:                break;
                    732:        default:
                    733:                if (vals[0] >= 0)
                    734:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    735:                if (vals[1] >= 0)
1.19      kristaps  736:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  737:                break;
                    738:        }
                    739:
                    740:        /*
                    741:         * List-type can override the width in the case of fixed-head
                    742:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  743:         * offset.
1.1       kristaps  744:         */
                    745:
                    746:        switch (type) {
                    747:        case (MDOC_Bullet):
                    748:                /* FALLTHROUGH */
                    749:        case (MDOC_Dash):
                    750:                /* FALLTHROUGH */
                    751:        case (MDOC_Hyphen):
                    752:                if (width < 4)
                    753:                        width = 4;
                    754:                break;
1.17      kristaps  755:        case (MDOC_Enum):
                    756:                if (width < 5)
                    757:                        width = 5;
                    758:                break;
1.38      kristaps  759:        case (MDOC_Hang):
1.39      kristaps  760:                if (0 == width)
                    761:                        width = 8;
                    762:                break;
1.49      kristaps  763:        case (MDOC_Column):
                    764:                /* FALLTHROUGH */
1.1       kristaps  765:        case (MDOC_Tag):
                    766:                if (0 == width)
                    767:                        width = 10;
                    768:                break;
                    769:        default:
                    770:                break;
                    771:        }
                    772:
                    773:        /*
1.17      kristaps  774:         * Whitespace control.  Inset bodies need an initial space,
                    775:         * while diagonal bodies need two.
1.1       kristaps  776:         */
                    777:
1.51      kristaps  778:        p->flags |= TERMP_NOSPACE;
                    779:
1.1       kristaps  780:        switch (type) {
1.51      kristaps  781:        case (MDOC_Diag):
1.86      kristaps  782:                if (MDOC_BODY == n->type)
1.62      kristaps  783:                        term_word(p, "\\ \\ ");
1.51      kristaps  784:                break;
1.1       kristaps  785:        case (MDOC_Inset):
1.86      kristaps  786:                if (MDOC_BODY == n->type)
1.51      kristaps  787:                        term_word(p, "\\ ");
1.1       kristaps  788:                break;
                    789:        default:
                    790:                break;
                    791:        }
                    792:
1.51      kristaps  793:        p->flags |= TERMP_NOSPACE;
                    794:
1.1       kristaps  795:        switch (type) {
                    796:        case (MDOC_Diag):
1.86      kristaps  797:                if (MDOC_HEAD == n->type)
1.69      kristaps  798:                        p->bold++;
1.1       kristaps  799:                break;
                    800:        default:
                    801:                break;
                    802:        }
                    803:
                    804:        /*
                    805:         * Pad and break control.  This is the tricker part.  Lists with
                    806:         * set right-margins for the head get TERMP_NOBREAK because, if
                    807:         * they overrun the margin, they wrap to the new margin.
                    808:         * Correspondingly, the body for these types don't left-pad, as
                    809:         * the head will pad out to to the right.
                    810:         */
                    811:
                    812:        switch (type) {
                    813:        case (MDOC_Bullet):
                    814:                /* FALLTHROUGH */
                    815:        case (MDOC_Dash):
                    816:                /* FALLTHROUGH */
                    817:        case (MDOC_Enum):
                    818:                /* FALLTHROUGH */
                    819:        case (MDOC_Hyphen):
1.86      kristaps  820:                if (MDOC_HEAD == n->type)
1.39      kristaps  821:                        p->flags |= TERMP_NOBREAK;
                    822:                else
                    823:                        p->flags |= TERMP_NOLPAD;
                    824:                break;
1.38      kristaps  825:        case (MDOC_Hang):
1.86      kristaps  826:                if (MDOC_HEAD == n->type)
1.39      kristaps  827:                        p->flags |= TERMP_NOBREAK;
                    828:                else
                    829:                        p->flags |= TERMP_NOLPAD;
                    830:
1.86      kristaps  831:                if (MDOC_HEAD != n->type)
1.59      kristaps  832:                        break;
                    833:
                    834:                /*
                    835:                 * This is ugly.  If `-hang' is specified and the body
                    836:                 * is a `Bl' or `Bd', then we want basically to nullify
                    837:                 * the "overstep" effect in term_flushln() and treat
                    838:                 * this as a `-ohang' list instead.
                    839:                 */
1.86      kristaps  840:                if (n->next->child &&
                    841:                                (MDOC_Bl == n->next->child->tok ||
                    842:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  843:                        p->flags &= ~TERMP_NOBREAK;
                    844:                        p->flags &= ~TERMP_NOLPAD;
                    845:                } else
1.39      kristaps  846:                        p->flags |= TERMP_HANG;
                    847:                break;
1.1       kristaps  848:        case (MDOC_Tag):
1.86      kristaps  849:                if (MDOC_HEAD == n->type)
1.51      kristaps  850:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  851:                else
                    852:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  853:
1.86      kristaps  854:                if (MDOC_HEAD != n->type)
1.39      kristaps  855:                        break;
1.86      kristaps  856:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  857:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  858:                break;
                    859:        case (MDOC_Column):
1.86      kristaps  860:                if (MDOC_HEAD == n->type) {
                    861:                        assert(n->next);
                    862:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  863:                                p->flags &= ~TERMP_NOBREAK;
                    864:                        else
                    865:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  866:                        if (n->prev)
1.1       kristaps  867:                                p->flags |= TERMP_NOLPAD;
                    868:                }
                    869:                break;
                    870:        case (MDOC_Diag):
1.86      kristaps  871:                if (MDOC_HEAD == n->type)
1.1       kristaps  872:                        p->flags |= TERMP_NOBREAK;
                    873:                break;
                    874:        default:
                    875:                break;
                    876:        }
                    877:
                    878:        /*
                    879:         * Margin control.  Set-head-width lists have their right
                    880:         * margins shortened.  The body for these lists has the offset
                    881:         * necessarily lengthened.  Everybody gets the offset.
                    882:         */
                    883:
                    884:        p->offset += offset;
                    885:
                    886:        switch (type) {
1.59      kristaps  887:        case (MDOC_Hang):
                    888:                /*
                    889:                 * Same stipulation as above, regarding `-hang'.  We
                    890:                 * don't want to recalculate rmargin and offsets when
                    891:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    892:                 */
1.86      kristaps  893:                if (MDOC_HEAD == n->type && n->next->child &&
                    894:                                (MDOC_Bl == n->next->child->tok ||
                    895:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  896:                        break;
                    897:                /* FALLTHROUGH */
1.1       kristaps  898:        case (MDOC_Bullet):
                    899:                /* FALLTHROUGH */
                    900:        case (MDOC_Dash):
                    901:                /* FALLTHROUGH */
                    902:        case (MDOC_Enum):
                    903:                /* FALLTHROUGH */
                    904:        case (MDOC_Hyphen):
                    905:                /* FALLTHROUGH */
                    906:        case (MDOC_Tag):
1.49      kristaps  907:                assert(width);
1.86      kristaps  908:                if (MDOC_HEAD == n->type)
1.1       kristaps  909:                        p->rmargin = p->offset + width;
                    910:                else
                    911:                        p->offset += width;
                    912:                break;
                    913:        case (MDOC_Column):
1.49      kristaps  914:                assert(width);
1.1       kristaps  915:                p->rmargin = p->offset + width;
1.50      kristaps  916:                /*
                    917:                 * XXX - this behaviour is not documented: the
                    918:                 * right-most column is filled to the right margin.
                    919:                 */
1.86      kristaps  920:                if (MDOC_HEAD == n->type &&
                    921:                                MDOC_BODY == n->next->type)
1.50      kristaps  922:                        p->rmargin = p->maxrmargin;
1.1       kristaps  923:                break;
                    924:        default:
                    925:                break;
                    926:        }
                    927:
                    928:        /*
                    929:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  930:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  931:         */
                    932:
1.86      kristaps  933:        if (MDOC_HEAD == n->type)
1.1       kristaps  934:                switch (type) {
                    935:                case (MDOC_Bullet):
1.69      kristaps  936:                        p->bold++;
1.1       kristaps  937:                        term_word(p, "\\[bu]");
1.69      kristaps  938:                        p->bold--;
1.1       kristaps  939:                        break;
                    940:                case (MDOC_Dash):
                    941:                        /* FALLTHROUGH */
                    942:                case (MDOC_Hyphen):
1.69      kristaps  943:                        p->bold++;
1.27      kristaps  944:                        term_word(p, "\\(hy");
1.69      kristaps  945:                        p->bold--;
1.1       kristaps  946:                        break;
                    947:                case (MDOC_Enum):
                    948:                        (pair->ppair->ppair->count)++;
                    949:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    950:                                        pair->ppair->ppair->count);
                    951:                        term_word(p, buf);
                    952:                        break;
                    953:                default:
                    954:                        break;
                    955:                }
                    956:
                    957:        /*
                    958:         * If we're not going to process our children, indicate so here.
                    959:         */
                    960:
                    961:        switch (type) {
                    962:        case (MDOC_Bullet):
                    963:                /* FALLTHROUGH */
                    964:        case (MDOC_Item):
                    965:                /* FALLTHROUGH */
                    966:        case (MDOC_Dash):
                    967:                /* FALLTHROUGH */
                    968:        case (MDOC_Hyphen):
                    969:                /* FALLTHROUGH */
                    970:        case (MDOC_Enum):
1.86      kristaps  971:                if (MDOC_HEAD == n->type)
1.1       kristaps  972:                        return(0);
                    973:                break;
                    974:        case (MDOC_Column):
1.86      kristaps  975:                if (MDOC_BODY == n->type)
1.1       kristaps  976:                        return(0);
                    977:                break;
                    978:        default:
                    979:                break;
                    980:        }
                    981:
                    982:        return(1);
                    983: }
                    984:
                    985:
                    986: /* ARGSUSED */
                    987: static void
                    988: termp_it_post(DECL_ARGS)
                    989: {
                    990:        int                type;
                    991:
1.86      kristaps  992:        if (MDOC_BODY != n->type && MDOC_HEAD != n->type)
1.1       kristaps  993:                return;
                    994:
1.86      kristaps  995:        type = arg_listtype(n->parent->parent->parent);
1.38      kristaps  996:        assert(-1 != type);
1.1       kristaps  997:
                    998:        switch (type) {
                    999:        case (MDOC_Item):
                   1000:                /* FALLTHROUGH */
1.53      kristaps 1001:        case (MDOC_Diag):
                   1002:                /* FALLTHROUGH */
1.1       kristaps 1003:        case (MDOC_Inset):
1.86      kristaps 1004:                if (MDOC_BODY == n->type)
1.1       kristaps 1005:                        term_flushln(p);
                   1006:                break;
                   1007:        case (MDOC_Column):
1.86      kristaps 1008:                if (MDOC_HEAD == n->type)
1.1       kristaps 1009:                        term_flushln(p);
                   1010:                break;
                   1011:        default:
                   1012:                term_flushln(p);
                   1013:                break;
                   1014:        }
                   1015:
                   1016:        p->flags = pair->flag;
                   1017: }
                   1018:
                   1019:
                   1020: /* ARGSUSED */
                   1021: static int
                   1022: termp_nm_pre(DECL_ARGS)
                   1023: {
                   1024:
1.86      kristaps 1025:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1026:                term_newln(p);
1.69      kristaps 1027:        p->bold++;
1.86      kristaps 1028:        if (NULL == n->child)
                   1029:                term_word(p, m->name);
1.1       kristaps 1030:        return(1);
                   1031: }
                   1032:
                   1033:
                   1034: /* ARGSUSED */
                   1035: static int
                   1036: termp_fl_pre(DECL_ARGS)
                   1037: {
                   1038:
1.69      kristaps 1039:        p->bold++;
1.1       kristaps 1040:        term_word(p, "\\-");
                   1041:        p->flags |= TERMP_NOSPACE;
                   1042:        return(1);
                   1043: }
                   1044:
                   1045:
                   1046: /* ARGSUSED */
                   1047: static int
1.61      kristaps 1048: termp_an_pre(DECL_ARGS)
                   1049: {
                   1050:
1.86      kristaps 1051:        if (NULL == n->child)
1.61      kristaps 1052:                return(1);
                   1053:
                   1054:        /*
1.85      kristaps 1055:         * If not in the AUTHORS section, `An -split' will cause
                   1056:         * newlines to occur before the author name.  If in the AUTHORS
                   1057:         * section, by default, the first `An' invocation is nosplit,
                   1058:         * then all subsequent ones, regardless of whether interspersed
                   1059:         * with other macros/text, are split.  -split, in this case,
                   1060:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1061:         */
                   1062:
1.86      kristaps 1063:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1064:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1065:                        if (TERMP_SPLIT & p->flags)
                   1066:                                term_newln(p);
                   1067:                        return(1);
                   1068:                }
                   1069:                if (TERMP_NOSPLIT & p->flags)
                   1070:                        return(1);
                   1071:                term_newln(p);
                   1072:                return(1);
                   1073:        }
                   1074:
                   1075:        if (TERMP_SPLIT & p->flags)
                   1076:                term_newln(p);
                   1077:
                   1078:        return(1);
                   1079: }
                   1080:
                   1081:
                   1082: /* ARGSUSED */
                   1083: static void
                   1084: termp_an_post(DECL_ARGS)
                   1085: {
                   1086:
1.86      kristaps 1087:        if (n->child) {
                   1088:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1089:                        p->flags |= TERMP_ANPREC;
                   1090:                return;
                   1091:        }
                   1092:
1.86      kristaps 1093:        if (arg_getattr(MDOC_Split, n) > -1) {
1.61      kristaps 1094:                p->flags &= ~TERMP_NOSPLIT;
                   1095:                p->flags |= TERMP_SPLIT;
                   1096:        } else {
                   1097:                p->flags &= ~TERMP_SPLIT;
                   1098:                p->flags |= TERMP_NOSPLIT;
                   1099:        }
                   1100:
                   1101: }
                   1102:
                   1103:
                   1104: /* ARGSUSED */
                   1105: static int
1.1       kristaps 1106: termp_ns_pre(DECL_ARGS)
                   1107: {
                   1108:
                   1109:        p->flags |= TERMP_NOSPACE;
                   1110:        return(1);
                   1111: }
                   1112:
                   1113:
                   1114: /* ARGSUSED */
                   1115: static int
                   1116: termp_rs_pre(DECL_ARGS)
                   1117: {
                   1118:
1.86      kristaps 1119:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1120:                return(1);
1.86      kristaps 1121:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1122:                term_vspace(p);
                   1123:        return(1);
                   1124: }
                   1125:
                   1126:
                   1127: /* ARGSUSED */
                   1128: static int
                   1129: termp_rv_pre(DECL_ARGS)
                   1130: {
1.68      kristaps 1131:        const struct mdoc_node  *nn;
1.1       kristaps 1132:
                   1133:        term_newln(p);
                   1134:        term_word(p, "The");
                   1135:
1.86      kristaps 1136:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1137:                p->bold++;
1.68      kristaps 1138:                term_word(p, nn->string);
1.69      kristaps 1139:                p->bold--;
1.68      kristaps 1140:                p->flags |= TERMP_NOSPACE;
                   1141:                if (nn->next && NULL == nn->next->next)
                   1142:                        term_word(p, "(), and");
                   1143:                else if (nn->next)
                   1144:                        term_word(p, "(),");
                   1145:                else
                   1146:                        term_word(p, "()");
                   1147:        }
                   1148:
1.86      kristaps 1149:        if (n->child->next)
1.68      kristaps 1150:                term_word(p, "functions return");
                   1151:        else
                   1152:                term_word(p, "function returns");
1.1       kristaps 1153:
1.68      kristaps 1154:                term_word(p, "the value 0 if successful; otherwise the value "
                   1155:                        "-1 is returned and the global variable");
1.1       kristaps 1156:
1.69      kristaps 1157:        p->under++;
1.1       kristaps 1158:        term_word(p, "errno");
1.69      kristaps 1159:        p->under--;
1.1       kristaps 1160:
                   1161:                term_word(p, "is set to indicate the error.");
                   1162:
1.68      kristaps 1163:        return(0);
1.1       kristaps 1164: }
                   1165:
                   1166:
                   1167: /* ARGSUSED */
                   1168: static int
                   1169: termp_ex_pre(DECL_ARGS)
                   1170: {
1.68      kristaps 1171:        const struct mdoc_node  *nn;
1.1       kristaps 1172:
1.68      kristaps 1173:        term_word(p, "The");
1.1       kristaps 1174:
1.86      kristaps 1175:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1176:                p->bold++;
1.68      kristaps 1177:                term_word(p, nn->string);
1.69      kristaps 1178:                p->bold--;
1.68      kristaps 1179:                p->flags |= TERMP_NOSPACE;
                   1180:                if (nn->next && NULL == nn->next->next)
                   1181:                        term_word(p, ", and");
                   1182:                else if (nn->next)
                   1183:                        term_word(p, ",");
                   1184:                else
                   1185:                        p->flags &= ~TERMP_NOSPACE;
                   1186:        }
                   1187:
1.86      kristaps 1188:        if (n->child->next)
1.68      kristaps 1189:                term_word(p, "utilities exit");
                   1190:        else
                   1191:                term_word(p, "utility exits");
                   1192:
                   1193:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1194:
1.68      kristaps 1195:        return(0);
1.1       kristaps 1196: }
                   1197:
                   1198:
                   1199: /* ARGSUSED */
                   1200: static int
                   1201: termp_nd_pre(DECL_ARGS)
                   1202: {
1.25      kristaps 1203:
1.86      kristaps 1204:        if (MDOC_BODY != n->type)
1.25      kristaps 1205:                return(1);
1.30      kristaps 1206:
1.27      kristaps 1207: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1208:        term_word(p, "\\(en");
1.23      kristaps 1209: #else
                   1210:        term_word(p, "\\(em");
                   1211: #endif
1.1       kristaps 1212:        return(1);
                   1213: }
                   1214:
                   1215:
                   1216: /* ARGSUSED */
                   1217: static void
                   1218: termp_bl_post(DECL_ARGS)
                   1219: {
                   1220:
1.86      kristaps 1221:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1222:                term_newln(p);
                   1223: }
                   1224:
                   1225:
                   1226: /* ARGSUSED */
                   1227: static void
                   1228: termp_op_post(DECL_ARGS)
                   1229: {
                   1230:
1.86      kristaps 1231:        if (MDOC_BODY != n->type)
1.1       kristaps 1232:                return;
                   1233:        p->flags |= TERMP_NOSPACE;
                   1234:        term_word(p, "\\(rB");
                   1235: }
                   1236:
                   1237:
                   1238: /* ARGSUSED */
                   1239: static int
                   1240: termp_xr_pre(DECL_ARGS)
                   1241: {
1.86      kristaps 1242:        const struct mdoc_node *nn;
1.1       kristaps 1243:
1.86      kristaps 1244:        assert(n->child && MDOC_TEXT == n->child->type);
                   1245:        nn = n->child;
1.11      kristaps 1246:
1.86      kristaps 1247:        term_word(p, nn->string);
                   1248:        if (NULL == (nn = nn->next))
1.1       kristaps 1249:                return(0);
                   1250:        p->flags |= TERMP_NOSPACE;
                   1251:        term_word(p, "(");
                   1252:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1253:        term_word(p, nn->string);
1.1       kristaps 1254:        p->flags |= TERMP_NOSPACE;
                   1255:        term_word(p, ")");
1.86      kristaps 1256:
1.1       kristaps 1257:        return(0);
                   1258: }
                   1259:
                   1260:
                   1261: /* ARGSUSED */
                   1262: static void
                   1263: termp_vt_post(DECL_ARGS)
                   1264: {
                   1265:
1.86      kristaps 1266:        if (n->sec != SEC_SYNOPSIS)
1.32      kristaps 1267:                return;
1.86      kristaps 1268:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1269:                term_newln(p);
1.86      kristaps 1270:        else if (n->next)
1.1       kristaps 1271:                term_vspace(p);
                   1272: }
                   1273:
                   1274:
                   1275: /* ARGSUSED */
                   1276: static int
1.69      kristaps 1277: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1278: {
                   1279:
1.69      kristaps 1280:        p->bold++;
1.1       kristaps 1281:        return(1);
                   1282: }
                   1283:
                   1284:
                   1285: /* ARGSUSED */
                   1286: static void
                   1287: termp_fd_post(DECL_ARGS)
                   1288: {
                   1289:
1.86      kristaps 1290:        if (n->sec != SEC_SYNOPSIS)
1.1       kristaps 1291:                return;
1.29      kristaps 1292:
1.1       kristaps 1293:        term_newln(p);
1.86      kristaps 1294:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1295:                term_vspace(p);
                   1296: }
                   1297:
                   1298:
                   1299: /* ARGSUSED */
                   1300: static int
                   1301: termp_sh_pre(DECL_ARGS)
                   1302: {
1.85      kristaps 1303:
                   1304:        /* No vspace between consecutive `Sh' calls. */
                   1305:
1.86      kristaps 1306:        switch (n->type) {
1.65      kristaps 1307:        case (MDOC_BLOCK):
1.86      kristaps 1308:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1309:                        if (NULL == n->prev->body->child)
1.65      kristaps 1310:                                break;
                   1311:                term_vspace(p);
                   1312:                break;
1.1       kristaps 1313:        case (MDOC_HEAD):
1.69      kristaps 1314:                p->bold++;
1.1       kristaps 1315:                break;
                   1316:        case (MDOC_BODY):
                   1317:                p->offset = INDENT;
                   1318:                break;
                   1319:        default:
                   1320:                break;
                   1321:        }
                   1322:        return(1);
                   1323: }
                   1324:
                   1325:
                   1326: /* ARGSUSED */
                   1327: static void
                   1328: termp_sh_post(DECL_ARGS)
                   1329: {
                   1330:
1.86      kristaps 1331:        switch (n->type) {
1.1       kristaps 1332:        case (MDOC_HEAD):
                   1333:                term_newln(p);
                   1334:                break;
                   1335:        case (MDOC_BODY):
                   1336:                term_newln(p);
                   1337:                p->offset = 0;
                   1338:                break;
                   1339:        default:
                   1340:                break;
                   1341:        }
                   1342: }
                   1343:
                   1344:
                   1345: /* ARGSUSED */
                   1346: static int
                   1347: termp_op_pre(DECL_ARGS)
                   1348: {
                   1349:
1.86      kristaps 1350:        switch (n->type) {
1.1       kristaps 1351:        case (MDOC_BODY):
                   1352:                term_word(p, "\\(lB");
                   1353:                p->flags |= TERMP_NOSPACE;
                   1354:                break;
                   1355:        default:
                   1356:                break;
                   1357:        }
                   1358:        return(1);
                   1359: }
                   1360:
                   1361:
                   1362: /* ARGSUSED */
                   1363: static int
                   1364: termp_bt_pre(DECL_ARGS)
                   1365: {
                   1366:
                   1367:        term_word(p, "is currently in beta test.");
1.81      kristaps 1368:        return(0);
1.1       kristaps 1369: }
                   1370:
                   1371:
                   1372: /* ARGSUSED */
                   1373: static void
                   1374: termp_lb_post(DECL_ARGS)
                   1375: {
                   1376:
1.86      kristaps 1377:        if (SEC_LIBRARY == n->sec)
1.81      kristaps 1378:                term_newln(p);
1.1       kristaps 1379: }
                   1380:
                   1381:
                   1382: /* ARGSUSED */
                   1383: static int
                   1384: termp_ud_pre(DECL_ARGS)
                   1385: {
                   1386:
                   1387:        term_word(p, "currently under development.");
1.86      kristaps 1388:        return(0);
1.1       kristaps 1389: }
                   1390:
                   1391:
                   1392: /* ARGSUSED */
                   1393: static int
                   1394: termp_d1_pre(DECL_ARGS)
                   1395: {
                   1396:
1.86      kristaps 1397:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1398:                return(1);
                   1399:        term_newln(p);
1.29      kristaps 1400:        p->offset += (INDENT + 1);
1.1       kristaps 1401:        return(1);
                   1402: }
                   1403:
                   1404:
                   1405: /* ARGSUSED */
                   1406: static void
                   1407: termp_d1_post(DECL_ARGS)
                   1408: {
                   1409:
1.86      kristaps 1410:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1411:                return;
                   1412:        term_newln(p);
                   1413: }
                   1414:
                   1415:
                   1416: /* ARGSUSED */
                   1417: static int
                   1418: termp_aq_pre(DECL_ARGS)
                   1419: {
                   1420:
1.86      kristaps 1421:        if (MDOC_BODY != n->type)
1.1       kristaps 1422:                return(1);
                   1423:        term_word(p, "\\(la");
                   1424:        p->flags |= TERMP_NOSPACE;
                   1425:        return(1);
                   1426: }
                   1427:
                   1428:
                   1429: /* ARGSUSED */
                   1430: static void
                   1431: termp_aq_post(DECL_ARGS)
                   1432: {
                   1433:
1.86      kristaps 1434:        if (MDOC_BODY != n->type)
1.1       kristaps 1435:                return;
                   1436:        p->flags |= TERMP_NOSPACE;
                   1437:        term_word(p, "\\(ra");
                   1438: }
                   1439:
                   1440:
                   1441: /* ARGSUSED */
                   1442: static int
                   1443: termp_ft_pre(DECL_ARGS)
                   1444: {
                   1445:
1.86      kristaps 1446:        if (SEC_SYNOPSIS == n->sec)
                   1447:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1448:                        term_vspace(p);
1.69      kristaps 1449:        p->under++;
1.1       kristaps 1450:        return(1);
                   1451: }
                   1452:
                   1453:
                   1454: /* ARGSUSED */
                   1455: static void
                   1456: termp_ft_post(DECL_ARGS)
                   1457: {
                   1458:
1.86      kristaps 1459:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1460:                term_newln(p);
                   1461: }
                   1462:
                   1463:
                   1464: /* ARGSUSED */
                   1465: static int
                   1466: termp_fn_pre(DECL_ARGS)
                   1467: {
1.86      kristaps 1468:        const struct mdoc_node  *nn;
1.1       kristaps 1469:
1.69      kristaps 1470:        p->bold++;
1.86      kristaps 1471:        term_word(p, n->child->string);
1.69      kristaps 1472:        p->bold--;
1.1       kristaps 1473:
                   1474:        p->flags |= TERMP_NOSPACE;
                   1475:        term_word(p, "(");
                   1476:
1.86      kristaps 1477:        for (nn = n->child->next; nn; nn = nn->next) {
1.69      kristaps 1478:                p->under++;
1.86      kristaps 1479:                term_word(p, nn->string);
1.69      kristaps 1480:                p->under--;
1.86      kristaps 1481:                if (nn->next)
1.1       kristaps 1482:                        term_word(p, ",");
                   1483:        }
                   1484:
                   1485:        term_word(p, ")");
                   1486:
1.86      kristaps 1487:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1488:                term_word(p, ";");
                   1489:
                   1490:        return(0);
                   1491: }
                   1492:
                   1493:
                   1494: /* ARGSUSED */
                   1495: static void
                   1496: termp_fn_post(DECL_ARGS)
                   1497: {
                   1498:
1.86      kristaps 1499:        if (n->sec == SEC_SYNOPSIS && n->next)
1.1       kristaps 1500:                term_vspace(p);
                   1501: }
                   1502:
                   1503:
                   1504: /* ARGSUSED */
                   1505: static int
                   1506: termp_fa_pre(DECL_ARGS)
                   1507: {
1.86      kristaps 1508:        const struct mdoc_node  *nn;
1.1       kristaps 1509:
1.86      kristaps 1510:        if (n->parent->tok != MDOC_Fo) {
1.69      kristaps 1511:                p->under++;
1.1       kristaps 1512:                return(1);
                   1513:        }
                   1514:
1.86      kristaps 1515:        for (nn = n->child; nn; nn = nn->next) {
1.69      kristaps 1516:                p->under++;
1.86      kristaps 1517:                term_word(p, nn->string);
1.69      kristaps 1518:                p->under--;
1.86      kristaps 1519:                if (nn->next)
1.1       kristaps 1520:                        term_word(p, ",");
                   1521:        }
                   1522:
1.86      kristaps 1523:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1524:                term_word(p, ",");
                   1525:
                   1526:        return(0);
                   1527: }
                   1528:
                   1529:
                   1530: /* ARGSUSED */
                   1531: static int
                   1532: termp_bd_pre(DECL_ARGS)
                   1533: {
1.85      kristaps 1534:        int                      i, type;
                   1535:        const struct mdoc_node  *nn;
1.1       kristaps 1536:
1.86      kristaps 1537:        if (MDOC_BLOCK == n->type) {
                   1538:                fmt_block_vspace(p, n, n);
1.54      kristaps 1539:                return(1);
1.86      kristaps 1540:        } else if (MDOC_BODY != n->type)
1.1       kristaps 1541:                return(1);
                   1542:
1.86      kristaps 1543:        nn = n->parent;
1.11      kristaps 1544:
1.85      kristaps 1545:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
                   1546:                switch (nn->args->argv[i].arg) {
1.1       kristaps 1547:                case (MDOC_Ragged):
                   1548:                        /* FALLTHROUGH */
                   1549:                case (MDOC_Filled):
                   1550:                        /* FALLTHROUGH */
                   1551:                case (MDOC_Unfilled):
                   1552:                        /* FALLTHROUGH */
                   1553:                case (MDOC_Literal):
1.85      kristaps 1554:                        type = nn->args->argv[i].arg;
                   1555:                        break;
                   1556:                case (MDOC_Offset):
                   1557:                        p->offset += arg_offset(&nn->args->argv[i]);
1.1       kristaps 1558:                        break;
                   1559:                default:
                   1560:                        break;
                   1561:                }
                   1562:        }
1.85      kristaps 1563:
                   1564:        /*
                   1565:         * If -ragged or -filled are specified, the block does nothing
                   1566:         * but change the indentation.  If -unfilled or -literal are
                   1567:         * specified, text is printed exactly as entered in the display:
                   1568:         * for macro lines, a newline is appended to the line.  Blank
                   1569:         * lines are allowed.
                   1570:         */
1.60      kristaps 1571:
                   1572:        assert(type > -1);
1.85      kristaps 1573:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1574:                return(1);
                   1575:
1.86      kristaps 1576:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1577:                p->flags |= TERMP_NOSPACE;
1.86      kristaps 1578:                print_node(p, pair, m, nn);
1.85      kristaps 1579:                if (NULL == nn->next)
                   1580:                        continue;
                   1581:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1582:                        term_flushln(p);
1.87      kristaps 1583:                else if (NULL == nn->prev)
                   1584:                        term_flushln(p);
1.1       kristaps 1585:        }
                   1586:
                   1587:        return(0);
                   1588: }
                   1589:
                   1590:
                   1591: /* ARGSUSED */
                   1592: static void
                   1593: termp_bd_post(DECL_ARGS)
                   1594: {
                   1595:
1.86      kristaps 1596:        if (MDOC_BODY != n->type)
1.1       kristaps 1597:                return;
1.60      kristaps 1598:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1599:        term_flushln(p);
                   1600: }
                   1601:
                   1602:
                   1603: /* ARGSUSED */
                   1604: static int
                   1605: termp_qq_pre(DECL_ARGS)
                   1606: {
                   1607:
1.86      kristaps 1608:        if (MDOC_BODY != n->type)
1.1       kristaps 1609:                return(1);
                   1610:        term_word(p, "\"");
                   1611:        p->flags |= TERMP_NOSPACE;
                   1612:        return(1);
                   1613: }
                   1614:
                   1615:
                   1616: /* ARGSUSED */
                   1617: static void
                   1618: termp_qq_post(DECL_ARGS)
                   1619: {
                   1620:
1.86      kristaps 1621:        if (MDOC_BODY != n->type)
1.1       kristaps 1622:                return;
                   1623:        p->flags |= TERMP_NOSPACE;
                   1624:        term_word(p, "\"");
                   1625: }
                   1626:
                   1627:
                   1628: /* ARGSUSED */
                   1629: static void
                   1630: termp_bx_post(DECL_ARGS)
                   1631: {
                   1632:
1.86      kristaps 1633:        if (n->child)
1.1       kristaps 1634:                p->flags |= TERMP_NOSPACE;
                   1635:        term_word(p, "BSD");
                   1636: }
                   1637:
                   1638:
                   1639: /* ARGSUSED */
                   1640: static int
1.26      kristaps 1641: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1642: {
1.26      kristaps 1643:        const char      *pp;
1.1       kristaps 1644:
1.26      kristaps 1645:        pp = NULL;
1.86      kristaps 1646:        switch (n->tok) {
1.26      kristaps 1647:        case (MDOC_Bsx):
                   1648:                pp = "BSDI BSD/OS";
                   1649:                break;
                   1650:        case (MDOC_Dx):
                   1651:                pp = "DragonFlyBSD";
                   1652:                break;
                   1653:        case (MDOC_Fx):
                   1654:                pp = "FreeBSD";
                   1655:                break;
                   1656:        case (MDOC_Nx):
                   1657:                pp = "NetBSD";
                   1658:                break;
                   1659:        case (MDOC_Ox):
                   1660:                pp = "OpenBSD";
                   1661:                break;
                   1662:        case (MDOC_Ux):
                   1663:                pp = "UNIX";
                   1664:                break;
                   1665:        default:
                   1666:                break;
                   1667:        }
1.1       kristaps 1668:
1.26      kristaps 1669:        assert(pp);
                   1670:        term_word(p, pp);
1.1       kristaps 1671:        return(1);
                   1672: }
                   1673:
                   1674:
                   1675: /* ARGSUSED */
                   1676: static int
                   1677: termp_sq_pre(DECL_ARGS)
                   1678: {
                   1679:
1.86      kristaps 1680:        if (MDOC_BODY != n->type)
1.1       kristaps 1681:                return(1);
                   1682:        term_word(p, "\\(oq");
                   1683:        p->flags |= TERMP_NOSPACE;
                   1684:        return(1);
                   1685: }
                   1686:
                   1687:
                   1688: /* ARGSUSED */
                   1689: static void
                   1690: termp_sq_post(DECL_ARGS)
                   1691: {
                   1692:
1.86      kristaps 1693:        if (MDOC_BODY != n->type)
1.1       kristaps 1694:                return;
                   1695:        p->flags |= TERMP_NOSPACE;
                   1696:        term_word(p, "\\(aq");
                   1697: }
                   1698:
                   1699:
                   1700: /* ARGSUSED */
                   1701: static int
                   1702: termp_pf_pre(DECL_ARGS)
                   1703: {
                   1704:
                   1705:        p->flags |= TERMP_IGNDELIM;
                   1706:        return(1);
                   1707: }
                   1708:
                   1709:
                   1710: /* ARGSUSED */
                   1711: static void
                   1712: termp_pf_post(DECL_ARGS)
                   1713: {
                   1714:
                   1715:        p->flags &= ~TERMP_IGNDELIM;
                   1716:        p->flags |= TERMP_NOSPACE;
                   1717: }
                   1718:
                   1719:
                   1720: /* ARGSUSED */
                   1721: static int
                   1722: termp_ss_pre(DECL_ARGS)
                   1723: {
                   1724:
1.86      kristaps 1725:        switch (n->type) {
1.1       kristaps 1726:        case (MDOC_BLOCK):
                   1727:                term_newln(p);
1.86      kristaps 1728:                if (n->prev)
1.1       kristaps 1729:                        term_vspace(p);
                   1730:                break;
                   1731:        case (MDOC_HEAD):
1.69      kristaps 1732:                p->bold++;
1.5       kristaps 1733:                p->offset = HALFINDENT;
1.1       kristaps 1734:                break;
                   1735:        default:
                   1736:                break;
                   1737:        }
                   1738:
                   1739:        return(1);
                   1740: }
                   1741:
                   1742:
                   1743: /* ARGSUSED */
                   1744: static void
                   1745: termp_ss_post(DECL_ARGS)
                   1746: {
                   1747:
1.86      kristaps 1748:        if (MDOC_HEAD == n->type)
1.1       kristaps 1749:                term_newln(p);
                   1750: }
                   1751:
                   1752:
                   1753: /* ARGSUSED */
                   1754: static int
                   1755: termp_cd_pre(DECL_ARGS)
                   1756: {
                   1757:
1.69      kristaps 1758:        p->bold++;
1.1       kristaps 1759:        term_newln(p);
                   1760:        return(1);
                   1761: }
                   1762:
                   1763:
                   1764: /* ARGSUSED */
                   1765: static int
                   1766: termp_in_pre(DECL_ARGS)
                   1767: {
                   1768:
1.69      kristaps 1769:        p->bold++;
1.86      kristaps 1770:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1771:                term_word(p, "#include");
                   1772:
1.1       kristaps 1773:        term_word(p, "<");
                   1774:        p->flags |= TERMP_NOSPACE;
                   1775:        return(1);
                   1776: }
                   1777:
                   1778:
                   1779: /* ARGSUSED */
                   1780: static void
                   1781: termp_in_post(DECL_ARGS)
                   1782: {
                   1783:
1.69      kristaps 1784:        p->bold++;
1.79      kristaps 1785:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1786:        term_word(p, ">");
1.69      kristaps 1787:        p->bold--;
1.1       kristaps 1788:
1.86      kristaps 1789:        if (SEC_SYNOPSIS != n->sec)
1.1       kristaps 1790:                return;
1.22      kristaps 1791:
                   1792:        term_newln(p);
                   1793:        /*
                   1794:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1795:         * the SYNOPSIS section, then it produces a single break after
                   1796:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1797:         * construction is rarely used, I think it's fine.
                   1798:         */
1.86      kristaps 1799:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1800:                term_vspace(p);
                   1801: }
                   1802:
                   1803:
                   1804: /* ARGSUSED */
                   1805: static int
1.45      kristaps 1806: termp_sp_pre(DECL_ARGS)
                   1807: {
                   1808:        int              i, len;
                   1809:
1.86      kristaps 1810:        switch (n->tok) {
1.76      kristaps 1811:        case (MDOC_sp):
1.86      kristaps 1812:                len = n->child ? atoi(n->child->string) : 1;
1.76      kristaps 1813:                break;
                   1814:        case (MDOC_br):
                   1815:                len = 0;
                   1816:                break;
                   1817:        default:
                   1818:                len = 1;
                   1819:                break;
1.45      kristaps 1820:        }
                   1821:
                   1822:        if (0 == len)
                   1823:                term_newln(p);
                   1824:        for (i = 0; i < len; i++)
                   1825:                term_vspace(p);
                   1826:
                   1827:        return(0);
                   1828: }
                   1829:
                   1830:
                   1831: /* ARGSUSED */
                   1832: static int
1.1       kristaps 1833: termp_brq_pre(DECL_ARGS)
                   1834: {
                   1835:
1.86      kristaps 1836:        if (MDOC_BODY != n->type)
1.1       kristaps 1837:                return(1);
                   1838:        term_word(p, "\\(lC");
                   1839:        p->flags |= TERMP_NOSPACE;
                   1840:        return(1);
                   1841: }
                   1842:
                   1843:
                   1844: /* ARGSUSED */
                   1845: static void
                   1846: termp_brq_post(DECL_ARGS)
                   1847: {
                   1848:
1.86      kristaps 1849:        if (MDOC_BODY != n->type)
1.1       kristaps 1850:                return;
                   1851:        p->flags |= TERMP_NOSPACE;
                   1852:        term_word(p, "\\(rC");
                   1853: }
                   1854:
                   1855:
                   1856: /* ARGSUSED */
                   1857: static int
                   1858: termp_bq_pre(DECL_ARGS)
                   1859: {
                   1860:
1.86      kristaps 1861:        if (MDOC_BODY != n->type)
1.1       kristaps 1862:                return(1);
                   1863:        term_word(p, "\\(lB");
                   1864:        p->flags |= TERMP_NOSPACE;
                   1865:        return(1);
                   1866: }
                   1867:
                   1868:
                   1869: /* ARGSUSED */
                   1870: static void
                   1871: termp_bq_post(DECL_ARGS)
                   1872: {
                   1873:
1.86      kristaps 1874:        if (MDOC_BODY != n->type)
1.1       kristaps 1875:                return;
                   1876:        p->flags |= TERMP_NOSPACE;
                   1877:        term_word(p, "\\(rB");
                   1878: }
                   1879:
                   1880:
                   1881: /* ARGSUSED */
                   1882: static int
                   1883: termp_pq_pre(DECL_ARGS)
                   1884: {
                   1885:
1.86      kristaps 1886:        if (MDOC_BODY != n->type)
1.1       kristaps 1887:                return(1);
                   1888:        term_word(p, "\\&(");
                   1889:        p->flags |= TERMP_NOSPACE;
                   1890:        return(1);
                   1891: }
                   1892:
                   1893:
                   1894: /* ARGSUSED */
                   1895: static void
                   1896: termp_pq_post(DECL_ARGS)
                   1897: {
                   1898:
1.86      kristaps 1899:        if (MDOC_BODY != n->type)
1.1       kristaps 1900:                return;
                   1901:        term_word(p, ")");
                   1902: }
                   1903:
                   1904:
                   1905: /* ARGSUSED */
                   1906: static int
                   1907: termp_fo_pre(DECL_ARGS)
                   1908: {
1.86      kristaps 1909:        const struct mdoc_node *nn;
1.1       kristaps 1910:
1.86      kristaps 1911:        if (MDOC_BODY == n->type) {
1.33      kristaps 1912:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1913:                term_word(p, "(");
                   1914:                p->flags |= TERMP_NOSPACE;
                   1915:                return(1);
1.86      kristaps 1916:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1917:                return(1);
                   1918:
1.69      kristaps 1919:        p->bold++;
1.86      kristaps 1920:        for (nn = n->child; nn; nn = nn->next) {
                   1921:                assert(MDOC_TEXT == nn->type);
                   1922:                term_word(p, nn->string);
1.1       kristaps 1923:        }
1.69      kristaps 1924:        p->bold--;
1.1       kristaps 1925:
                   1926:        return(0);
                   1927: }
                   1928:
                   1929:
                   1930: /* ARGSUSED */
                   1931: static void
                   1932: termp_fo_post(DECL_ARGS)
                   1933: {
                   1934:
1.86      kristaps 1935:        if (MDOC_BODY != n->type)
1.1       kristaps 1936:                return;
                   1937:        p->flags |= TERMP_NOSPACE;
                   1938:        term_word(p, ")");
                   1939:        p->flags |= TERMP_NOSPACE;
                   1940:        term_word(p, ";");
                   1941:        term_newln(p);
                   1942: }
                   1943:
                   1944:
                   1945: /* ARGSUSED */
                   1946: static int
                   1947: termp_bf_pre(DECL_ARGS)
                   1948: {
1.86      kristaps 1949:        const struct mdoc_node  *nn;
1.1       kristaps 1950:
1.86      kristaps 1951:        if (MDOC_HEAD == n->type)
1.1       kristaps 1952:                return(0);
1.86      kristaps 1953:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 1954:                return(1);
                   1955:
1.86      kristaps 1956:        if (NULL == (nn = n->head->child)) {
                   1957:                if (arg_hasattr(MDOC_Emphasis, n))
1.69      kristaps 1958:                        p->under++;
1.86      kristaps 1959:                else if (arg_hasattr(MDOC_Symbolic, n))
1.69      kristaps 1960:                        p->bold++;
1.1       kristaps 1961:
                   1962:                return(1);
                   1963:        }
                   1964:
1.86      kristaps 1965:        assert(MDOC_TEXT == nn->type);
                   1966:        if (0 == strcmp("Em", nn->string))
1.69      kristaps 1967:                p->under++;
1.86      kristaps 1968:        else if (0 == strcmp("Sy", nn->string))
1.69      kristaps 1969:                p->bold++;
1.1       kristaps 1970:
                   1971:        return(1);
                   1972: }
                   1973:
                   1974:
                   1975: /* ARGSUSED */
                   1976: static int
                   1977: termp_sm_pre(DECL_ARGS)
                   1978: {
                   1979:
1.86      kristaps 1980:        assert(n->child && MDOC_TEXT == n->child->type);
                   1981:        if (0 == strcmp("on", n->child->string)) {
1.1       kristaps 1982:                p->flags &= ~TERMP_NONOSPACE;
                   1983:                p->flags &= ~TERMP_NOSPACE;
                   1984:        } else
                   1985:                p->flags |= TERMP_NONOSPACE;
                   1986:
                   1987:        return(0);
                   1988: }
                   1989:
                   1990:
                   1991: /* ARGSUSED */
                   1992: static int
                   1993: termp_ap_pre(DECL_ARGS)
                   1994: {
                   1995:
                   1996:        p->flags |= TERMP_NOSPACE;
                   1997:        term_word(p, "\\(aq");
                   1998:        p->flags |= TERMP_NOSPACE;
                   1999:        return(1);
                   2000: }
                   2001:
                   2002:
                   2003: /* ARGSUSED */
                   2004: static void
                   2005: termp____post(DECL_ARGS)
                   2006: {
                   2007:
                   2008:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2009:        switch (n->tok) {
1.84      kristaps 2010:        case (MDOC__T):
                   2011:                term_word(p, "\\(rq");
                   2012:                p->flags |= TERMP_NOSPACE;
                   2013:                break;
                   2014:        default:
                   2015:                break;
                   2016:        }
1.86      kristaps 2017:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2018: }
                   2019:
                   2020:
                   2021: /* ARGSUSED */
                   2022: static int
                   2023: termp_lk_pre(DECL_ARGS)
                   2024: {
1.86      kristaps 2025:        const struct mdoc_node *nn;
1.1       kristaps 2026:
1.86      kristaps 2027:        if (NULL == (nn = n->child->next)) {
1.69      kristaps 2028:                p->under++;
1.12      kristaps 2029:                return(1);
                   2030:        }
                   2031:
1.69      kristaps 2032:        p->under++;
1.86      kristaps 2033:        term_word(p, nn->string);
1.1       kristaps 2034:        p->flags |= TERMP_NOSPACE;
                   2035:        term_word(p, ":");
1.69      kristaps 2036:        p->under--;
1.1       kristaps 2037:
1.69      kristaps 2038:        p->bold++;
1.86      kristaps 2039:        for (nn = nn->next; nn; nn = nn->next)
                   2040:                term_word(p, nn->string);
1.69      kristaps 2041:        p->bold--;
1.12      kristaps 2042:
1.1       kristaps 2043:        return(0);
                   2044: }
                   2045:
                   2046:
                   2047: /* ARGSUSED */
                   2048: static int
1.69      kristaps 2049: termp_under_pre(DECL_ARGS)
1.1       kristaps 2050: {
                   2051:
1.69      kristaps 2052:        p->under++;
1.1       kristaps 2053:        return(1);
                   2054: }
1.83      kristaps 2055:
1.84      kristaps 2056:
                   2057: /* ARGSUSED */
                   2058: static int
                   2059: termp__t_pre(DECL_ARGS)
                   2060: {
                   2061:
                   2062:        term_word(p, "\\(lq");
                   2063:        p->flags |= TERMP_NOSPACE;
                   2064:        return(1);
                   2065: }

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