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Annotation of mandoc/mdoc_term.c, Revision 1.84

1.84    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.83 2009/09/24 15:01:06 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:
1.71      kristaps   29: /* FIXME: check HANG lists: they seem to be broken... :
                     30:  * .Bl -hang -width Ds
                     31:  * .It a
                     32:  * b
                     33:  * .It Fl f Ns Ar option...
                     34:  * Override default compiler behaviour.  See
                     35:  * .Sx Compiler Options
                     36:  * for details.
                     37:  * Override default compiler behaviour.  See
                     38:  * .Sx Compiler Options
                     39:  * for details.
                     40:  * Override default compiler behaviour.  See
                     41:  * .Sx Compiler Options
                     42:  * for details.
                     43:  * Override default compiler behaviour.  See
                     44:  * .Sx Compiler Options
                     45:  * for details.
                     46:  * .
                     47:  * .It a sasd fasd as afsd sfad sfds sadfs sd sfd ssfad asfd
                     48:  * Override default compiler behaviour.  See
                     49:  * .Sx Compiler Options
                     50:  * for details.
                     51:  * Override default compiler behaviour.  See
                     52:  * .Sx Compiler Options
                     53:  * for details.
                     54:  * Override default compiler behaviour.  See
                     55:  * .Sx Compiler Options
                     56:  * for details.
                     57:  * Override default compiler behaviour.  See
                     58:  * .Sx Compiler Options
                     59:  * for details.
                     60:  * .El
                     61:  *
                     62:  */
                     63:
1.66      kristaps   64: #define        INDENT            5
                     65: #define        HALFINDENT        3
                     66:
1.1       kristaps   67: struct termpair {
                     68:        struct termpair  *ppair;
1.31      kristaps   69:        int               flag;
                     70:        int               count;
1.1       kristaps   71: };
                     72:
1.31      kristaps   73: #define        DECL_ARGS struct termp *p, \
                     74:                  struct termpair *pair, \
                     75:                  const struct mdoc_meta *meta, \
                     76:                  const struct mdoc_node *node
1.1       kristaps   77:
                     78: struct termact {
                     79:        int     (*pre)(DECL_ARGS);
                     80:        void    (*post)(DECL_ARGS);
                     81: };
                     82:
1.31      kristaps   83: static void      termp____post(DECL_ARGS);
1.61      kristaps   84: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   85: static void      termp_aq_post(DECL_ARGS);
                     86: static void      termp_bd_post(DECL_ARGS);
                     87: static void      termp_bl_post(DECL_ARGS);
                     88: static void      termp_bq_post(DECL_ARGS);
                     89: static void      termp_brq_post(DECL_ARGS);
                     90: static void      termp_bx_post(DECL_ARGS);
                     91: static void      termp_d1_post(DECL_ARGS);
                     92: static void      termp_dq_post(DECL_ARGS);
                     93: static void      termp_fd_post(DECL_ARGS);
                     94: static void      termp_fn_post(DECL_ARGS);
                     95: static void      termp_fo_post(DECL_ARGS);
                     96: static void      termp_ft_post(DECL_ARGS);
                     97: static void      termp_in_post(DECL_ARGS);
                     98: static void      termp_it_post(DECL_ARGS);
                     99: static void      termp_lb_post(DECL_ARGS);
                    100: static void      termp_op_post(DECL_ARGS);
                    101: static void      termp_pf_post(DECL_ARGS);
                    102: static void      termp_pq_post(DECL_ARGS);
                    103: static void      termp_qq_post(DECL_ARGS);
                    104: static void      termp_sh_post(DECL_ARGS);
                    105: static void      termp_sq_post(DECL_ARGS);
                    106: static void      termp_ss_post(DECL_ARGS);
                    107: static void      termp_vt_post(DECL_ARGS);
                    108:
1.84    ! kristaps  109: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps  110: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps  111: static int       termp_ap_pre(DECL_ARGS);
                    112: static int       termp_aq_pre(DECL_ARGS);
                    113: static int       termp_bd_pre(DECL_ARGS);
                    114: static int       termp_bf_pre(DECL_ARGS);
1.69      kristaps  115: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  116: static int       termp_bq_pre(DECL_ARGS);
                    117: static int       termp_brq_pre(DECL_ARGS);
                    118: static int       termp_bt_pre(DECL_ARGS);
                    119: static int       termp_cd_pre(DECL_ARGS);
                    120: static int       termp_d1_pre(DECL_ARGS);
                    121: static int       termp_dq_pre(DECL_ARGS);
                    122: static int       termp_ex_pre(DECL_ARGS);
                    123: static int       termp_fa_pre(DECL_ARGS);
                    124: static int       termp_fl_pre(DECL_ARGS);
                    125: static int       termp_fn_pre(DECL_ARGS);
                    126: static int       termp_fo_pre(DECL_ARGS);
                    127: static int       termp_ft_pre(DECL_ARGS);
                    128: static int       termp_in_pre(DECL_ARGS);
                    129: static int       termp_it_pre(DECL_ARGS);
                    130: static int       termp_lk_pre(DECL_ARGS);
                    131: static int       termp_nd_pre(DECL_ARGS);
                    132: static int       termp_nm_pre(DECL_ARGS);
                    133: static int       termp_ns_pre(DECL_ARGS);
                    134: static int       termp_op_pre(DECL_ARGS);
                    135: static int       termp_pf_pre(DECL_ARGS);
                    136: static int       termp_pq_pre(DECL_ARGS);
                    137: static int       termp_qq_pre(DECL_ARGS);
                    138: static int       termp_rs_pre(DECL_ARGS);
                    139: static int       termp_rv_pre(DECL_ARGS);
                    140: static int       termp_sh_pre(DECL_ARGS);
                    141: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  142: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  143: static int       termp_sq_pre(DECL_ARGS);
                    144: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  145: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  146: static int       termp_ud_pre(DECL_ARGS);
                    147: static int       termp_xr_pre(DECL_ARGS);
                    148: static int       termp_xx_pre(DECL_ARGS);
                    149:
1.70      kristaps  150: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  151:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  152:        { NULL, NULL }, /* Dd */
                    153:        { NULL, NULL }, /* Dt */
                    154:        { NULL, NULL }, /* Os */
                    155:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    156:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  157:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  158:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    159:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    160:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    161:        { NULL, NULL }, /* Ed */
                    162:        { NULL, termp_bl_post }, /* Bl */
                    163:        { NULL, NULL }, /* El */
                    164:        { termp_it_pre, termp_it_post }, /* It */
                    165:        { NULL, NULL }, /* Ad */
1.61      kristaps  166:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  167:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  168:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  169:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  170:        { NULL, NULL }, /* Dv */
                    171:        { NULL, NULL }, /* Er */
                    172:        { NULL, NULL }, /* Ev */
                    173:        { termp_ex_pre, NULL }, /* Ex */
                    174:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  175:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  176:        { termp_fl_pre, NULL }, /* Fl */
                    177:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    178:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  179:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  180:        { termp_in_pre, termp_in_post }, /* In */
                    181:        { NULL, NULL }, /* Li */
                    182:        { termp_nd_pre, NULL }, /* Nd */
                    183:        { termp_nm_pre, NULL }, /* Nm */
                    184:        { termp_op_pre, termp_op_post }, /* Op */
                    185:        { NULL, NULL }, /* Ot */
1.69      kristaps  186:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  187:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  188:        { NULL, NULL }, /* St */
1.69      kristaps  189:        { termp_under_pre, NULL }, /* Va */
1.70      kristaps  190:        { termp_under_pre, termp_vt_post }, /* Vt */
1.1       kristaps  191:        { termp_xr_pre, NULL }, /* Xr */
                    192:        { NULL, termp____post }, /* %A */
1.84    ! kristaps  193:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  194:        { NULL, termp____post }, /* %D */
1.84    ! kristaps  195:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  196:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  197:        { NULL, termp____post }, /* %N */
                    198:        { NULL, termp____post }, /* %O */
                    199:        { NULL, termp____post }, /* %P */
                    200:        { NULL, termp____post }, /* %R */
1.84    ! kristaps  201:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  202:        { NULL, termp____post }, /* %V */
                    203:        { NULL, NULL }, /* Ac */
                    204:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    205:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  206:        { NULL, NULL }, /* At */
1.1       kristaps  207:        { NULL, NULL }, /* Bc */
                    208:        { termp_bf_pre, NULL }, /* Bf */
                    209:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    210:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  211:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  212:        { NULL, termp_bx_post }, /* Bx */
                    213:        { NULL, NULL }, /* Db */
                    214:        { NULL, NULL }, /* Dc */
                    215:        { termp_dq_pre, termp_dq_post }, /* Do */
                    216:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    217:        { NULL, NULL }, /* Ec */
                    218:        { NULL, NULL }, /* Ef */
1.69      kristaps  219:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  220:        { NULL, NULL }, /* Eo */
1.26      kristaps  221:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  222:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  223:        { NULL, NULL }, /* No */
                    224:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  225:        { termp_xx_pre, NULL }, /* Nx */
                    226:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  227:        { NULL, NULL }, /* Pc */
                    228:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    229:        { termp_pq_pre, termp_pq_post }, /* Po */
                    230:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    231:        { NULL, NULL }, /* Qc */
                    232:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    233:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    234:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    235:        { NULL, NULL }, /* Re */
                    236:        { termp_rs_pre, NULL }, /* Rs */
                    237:        { NULL, NULL }, /* Sc */
                    238:        { termp_sq_pre, termp_sq_post }, /* So */
                    239:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    240:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  241:        { termp_under_pre, NULL }, /* Sx */
                    242:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  243:        { NULL, NULL }, /* Tn */
1.26      kristaps  244:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  245:        { NULL, NULL }, /* Xc */
                    246:        { NULL, NULL }, /* Xo */
                    247:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    248:        { NULL, NULL }, /* Fc */
                    249:        { termp_op_pre, termp_op_post }, /* Oo */
                    250:        { NULL, NULL }, /* Oc */
                    251:        { NULL, NULL }, /* Bk */
                    252:        { NULL, NULL }, /* Ek */
                    253:        { termp_bt_pre, NULL }, /* Bt */
                    254:        { NULL, NULL }, /* Hf */
                    255:        { NULL, NULL }, /* Fr */
                    256:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  257:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  258:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  259:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  260:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  261:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    262:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    263:        { NULL, NULL }, /* Brc */
1.83      kristaps  264:        { NULL, termp____post }, /* %C */
1.81      kristaps  265:        { NULL, NULL }, /* Es */ /* TODO */
                    266:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  267:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  268:        { NULL, termp____post }, /* %Q */
1.76      kristaps  269:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  270:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  271: };
                    272:
1.2       kristaps  273: #ifdef __linux__
1.9       kristaps  274: extern size_t    strlcpy(char *, const char *, size_t);
                    275: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  276: #endif
                    277:
1.1       kristaps  278: static int       arg_hasattr(int, const struct mdoc_node *);
                    279: static int       arg_getattrs(const int *, int *, size_t,
                    280:                        const struct mdoc_node *);
                    281: static int       arg_getattr(int, const struct mdoc_node *);
                    282: static size_t    arg_offset(const struct mdoc_argv *);
                    283: static size_t    arg_width(const struct mdoc_argv *, int);
                    284: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  285: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  286:                        const struct mdoc_node *,
                    287:                        const struct mdoc_node *);
1.3       kristaps  288: static void      print_node(DECL_ARGS);
1.70      kristaps  289: static void      print_head(DECL_ARGS);
1.3       kristaps  290: static void      print_body(DECL_ARGS);
1.70      kristaps  291: static void      print_foot(DECL_ARGS);
1.1       kristaps  292:
                    293:
1.70      kristaps  294: void
                    295: mdoc_run(struct termp *p, const struct mdoc *mdoc)
1.1       kristaps  296: {
1.70      kristaps  297:        const struct mdoc_node  *n;
                    298:        const struct mdoc_meta  *m;
                    299:
                    300:        n = mdoc_node(mdoc);
                    301:        m = mdoc_meta(mdoc);
                    302:
                    303:        print_head(p, NULL, m, n);
                    304:        if (n->child)
                    305:                print_body(p, NULL, m, n->child);
                    306:        print_foot(p, NULL, m, n);
1.1       kristaps  307: }
                    308:
                    309:
1.3       kristaps  310: static void
1.1       kristaps  311: print_body(DECL_ARGS)
                    312: {
                    313:
1.3       kristaps  314:        print_node(p, pair, meta, node);
1.70      kristaps  315:        if (node->next)
                    316:                print_body(p, pair, meta, node->next);
1.1       kristaps  317: }
                    318:
                    319:
1.70      kristaps  320: /* ARGSUSED */
1.3       kristaps  321: static void
1.1       kristaps  322: print_node(DECL_ARGS)
                    323: {
1.70      kristaps  324:        int              chld, bold, under;
1.1       kristaps  325:        struct termpair  npair;
1.30      kristaps  326:        size_t           offset, rmargin;
1.1       kristaps  327:
1.70      kristaps  328:        chld = 1;
1.29      kristaps  329:        offset = p->offset;
1.30      kristaps  330:        rmargin = p->rmargin;
1.69      kristaps  331:        bold = p->bold;
                    332:        under = p->under;
1.29      kristaps  333:
1.70      kristaps  334:        bzero(&npair, sizeof(struct termpair));
1.1       kristaps  335:        npair.ppair = pair;
1.46      kristaps  336:
1.1       kristaps  337:        if (MDOC_TEXT != node->type) {
                    338:                if (termacts[node->tok].pre)
1.70      kristaps  339:                        chld = (*termacts[node->tok].pre)
                    340:                                (p, &npair, meta, node);
                    341:        } else
1.1       kristaps  342:                term_word(p, node->string);
                    343:
1.70      kristaps  344:        if (chld && node->child)
                    345:                print_body(p, &npair, meta, node->child);
1.1       kristaps  346:
1.70      kristaps  347:        /*
                    348:         * XXX - if bold/under were to span scopes, this wouldn't be
                    349:         * possible, but because decoration is always in-scope, we can
                    350:         * get away with this.
                    351:         */
1.1       kristaps  352:
1.69      kristaps  353:        p->bold = bold;
                    354:        p->under = under;
1.46      kristaps  355:
1.1       kristaps  356:        if (MDOC_TEXT != node->type)
                    357:                if (termacts[node->tok].post)
1.70      kristaps  358:                        (*termacts[node->tok].post)
                    359:                                (p, &npair, meta, node);
1.29      kristaps  360:
                    361:        p->offset = offset;
1.30      kristaps  362:        p->rmargin = rmargin;
1.1       kristaps  363: }
                    364:
                    365:
1.70      kristaps  366: /* ARGSUSED */
1.3       kristaps  367: static void
1.70      kristaps  368: print_foot(DECL_ARGS)
1.1       kristaps  369: {
                    370:        struct tm       *tm;
                    371:        char            *buf, *os;
                    372:
1.9       kristaps  373:        /*
                    374:         * Output the footer in new-groff style, that is, three columns
                    375:         * with the middle being the manual date and flanking columns
                    376:         * being the operating system:
                    377:         *
                    378:         * SYSTEM                  DATE                    SYSTEM
                    379:         */
                    380:
1.1       kristaps  381:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  382:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  383:        if (NULL == (os = malloc(p->rmargin)))
1.70      kristaps  384:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  385:
                    386:        tm = localtime(&meta->date);
                    387:
1.42      kristaps  388:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.70      kristaps  389:                err(EXIT_FAILURE, "strftime");
1.1       kristaps  390:
                    391:        (void)strlcpy(os, meta->os, p->rmargin);
                    392:
                    393:        term_vspace(p);
                    394:
1.9       kristaps  395:        p->offset = 0;
                    396:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  397:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    398:
                    399:        term_word(p, os);
                    400:        term_flushln(p);
                    401:
1.9       kristaps  402:        p->offset = p->rmargin;
                    403:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  404:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  405:
                    406:        term_word(p, buf);
                    407:        term_flushln(p);
                    408:
1.1       kristaps  409:        p->offset = p->rmargin;
                    410:        p->rmargin = p->maxrmargin;
                    411:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  412:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  413:
1.9       kristaps  414:        term_word(p, os);
1.1       kristaps  415:        term_flushln(p);
                    416:
1.9       kristaps  417:        p->offset = 0;
                    418:        p->rmargin = p->maxrmargin;
                    419:        p->flags = 0;
                    420:
1.1       kristaps  421:        free(buf);
                    422:        free(os);
                    423: }
                    424:
                    425:
1.75      kristaps  426: /* FIXME: put in utility library. */
1.70      kristaps  427: /* ARGSUSED */
1.3       kristaps  428: static void
1.70      kristaps  429: print_head(DECL_ARGS)
1.1       kristaps  430: {
                    431:        char            *buf, *title;
                    432:
                    433:        p->rmargin = p->maxrmargin;
                    434:        p->offset = 0;
                    435:
                    436:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  437:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  438:        if (NULL == (title = malloc(p->rmargin)))
1.70      kristaps  439:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  440:
                    441:        /*
                    442:         * The header is strange.  It has three components, which are
                    443:         * really two with the first duplicated.  It goes like this:
                    444:         *
                    445:         * IDENTIFIER              TITLE                   IDENTIFIER
                    446:         *
                    447:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    448:         * (if given, or "unknown" if not) followed by the manual page
                    449:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    450:         * string depending on the manual volume.  If not specified, it
                    451:         * switches on the manual section.
                    452:         */
                    453:
                    454:        assert(meta->vol);
                    455:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    456:
                    457:        if (meta->arch) {
                    458:                (void)strlcat(buf, " (", p->rmargin);
                    459:                (void)strlcat(buf, meta->arch, p->rmargin);
                    460:                (void)strlcat(buf, ")", p->rmargin);
                    461:        }
                    462:
1.70      kristaps  463:        snprintf(title, p->rmargin, "%s(%d)", meta->title, meta->msec);
1.1       kristaps  464:
                    465:        p->offset = 0;
1.8       kristaps  466:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  467:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    468:
                    469:        term_word(p, title);
                    470:        term_flushln(p);
                    471:
                    472:        p->offset = p->rmargin;
                    473:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  474:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  475:
                    476:        term_word(p, buf);
                    477:        term_flushln(p);
                    478:
                    479:        p->offset = p->rmargin;
                    480:        p->rmargin = p->maxrmargin;
                    481:        p->flags &= ~TERMP_NOBREAK;
                    482:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    483:
                    484:        term_word(p, title);
                    485:        term_flushln(p);
                    486:
1.9       kristaps  487:        p->offset = 0;
1.1       kristaps  488:        p->rmargin = p->maxrmargin;
                    489:        p->flags &= ~TERMP_NOSPACE;
                    490:
                    491:        free(title);
                    492:        free(buf);
                    493: }
                    494:
                    495:
1.72      kristaps  496: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  497: static size_t
                    498: arg_width(const struct mdoc_argv *arg, int pos)
                    499: {
                    500:        int              i, len;
1.40      kristaps  501:        const char      *p;
1.1       kristaps  502:
                    503:        assert(pos < (int)arg->sz && pos >= 0);
                    504:        assert(arg->value[pos]);
                    505:
1.40      kristaps  506:        p = arg->value[pos];
                    507:
                    508:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  509:                return(0);
                    510:
                    511:        for (i = 0; i < len - 1; i++)
1.40      kristaps  512:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  513:                        break;
                    514:
1.40      kristaps  515:        if (i == len - 1)
                    516:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    517:                        return((size_t)atoi(p) + 2);
1.1       kristaps  518:
1.40      kristaps  519:        return((size_t)len + 2);
1.1       kristaps  520: }
                    521:
                    522:
1.73      kristaps  523: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  524: static int
                    525: arg_listtype(const struct mdoc_node *n)
                    526: {
                    527:        int              i, len;
                    528:
                    529:        assert(MDOC_BLOCK == n->type);
                    530:
                    531:        len = (int)(n->args ? n->args->argc : 0);
                    532:
                    533:        for (i = 0; i < len; i++)
                    534:                switch (n->args->argv[i].arg) {
                    535:                case (MDOC_Bullet):
                    536:                        /* FALLTHROUGH */
                    537:                case (MDOC_Dash):
                    538:                        /* FALLTHROUGH */
                    539:                case (MDOC_Enum):
                    540:                        /* FALLTHROUGH */
                    541:                case (MDOC_Hyphen):
                    542:                        /* FALLTHROUGH */
                    543:                case (MDOC_Tag):
                    544:                        /* FALLTHROUGH */
                    545:                case (MDOC_Inset):
                    546:                        /* FALLTHROUGH */
                    547:                case (MDOC_Diag):
                    548:                        /* FALLTHROUGH */
                    549:                case (MDOC_Item):
                    550:                        /* FALLTHROUGH */
                    551:                case (MDOC_Column):
                    552:                        /* FALLTHROUGH */
1.38      kristaps  553:                case (MDOC_Hang):
                    554:                        /* FALLTHROUGH */
1.1       kristaps  555:                case (MDOC_Ohang):
                    556:                        return(n->args->argv[i].arg);
                    557:                default:
                    558:                        break;
                    559:                }
                    560:
1.38      kristaps  561:        return(-1);
1.1       kristaps  562: }
                    563:
                    564:
1.72      kristaps  565: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  566: static size_t
                    567: arg_offset(const struct mdoc_argv *arg)
                    568: {
1.40      kristaps  569:        int              len, i;
                    570:        const char      *p;
1.1       kristaps  571:
                    572:        assert(*arg->value);
1.40      kristaps  573:        p = *arg->value;
                    574:
                    575:        if (0 == strcmp(p, "left"))
1.19      kristaps  576:                return(0);
1.40      kristaps  577:        if (0 == strcmp(p, "indent"))
1.16      kristaps  578:                return(INDENT + 1);
1.40      kristaps  579:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  580:                return((INDENT + 1) * 2);
1.10      kristaps  581:
1.40      kristaps  582:        if (0 == (len = (int)strlen(p)))
                    583:                return(0);
                    584:
                    585:        for (i = 0; i < len - 1; i++)
                    586:                if ( ! isdigit((u_char)p[i]))
                    587:                        break;
                    588:
                    589:        if (i == len - 1)
                    590:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    591:                        return((size_t)atoi(p));
1.11      kristaps  592:
1.40      kristaps  593:        return((size_t)len);
1.1       kristaps  594: }
                    595:
                    596:
                    597: static int
                    598: arg_hasattr(int arg, const struct mdoc_node *n)
                    599: {
                    600:
                    601:        return(-1 != arg_getattr(arg, n));
                    602: }
                    603:
                    604:
                    605: static int
                    606: arg_getattr(int v, const struct mdoc_node *n)
                    607: {
                    608:        int              val;
                    609:
                    610:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    611: }
                    612:
                    613:
                    614: static int
                    615: arg_getattrs(const int *keys, int *vals,
                    616:                size_t sz, const struct mdoc_node *n)
                    617: {
                    618:        int              i, j, k;
                    619:
                    620:        if (NULL == n->args)
                    621:                return(0);
                    622:
                    623:        for (k = i = 0; i < (int)n->args->argc; i++)
                    624:                for (j = 0; j < (int)sz; j++)
                    625:                        if (n->args->argv[i].arg == keys[j]) {
                    626:                                vals[j] = i;
                    627:                                k++;
                    628:                        }
                    629:        return(k);
                    630: }
                    631:
                    632:
                    633: /* ARGSUSED */
1.54      kristaps  634: static void
1.1       kristaps  635: fmt_block_vspace(struct termp *p,
                    636:                const struct mdoc_node *bl,
                    637:                const struct mdoc_node *node)
                    638: {
                    639:        const struct mdoc_node *n;
                    640:
                    641:        term_newln(p);
                    642:
1.59      kristaps  643:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  644:                return;
1.63      kristaps  645:        assert(node);
1.54      kristaps  646:
                    647:        /*
                    648:         * Search through our prior nodes.  If we follow a `Ss' or `Sh',
                    649:         * then don't vspace.
                    650:         */
1.1       kristaps  651:
                    652:        for (n = node; n; n = n->parent) {
                    653:                if (MDOC_BLOCK != n->type)
                    654:                        continue;
                    655:                if (MDOC_Ss == n->tok)
1.54      kristaps  656:                        return;
1.1       kristaps  657:                if (MDOC_Sh == n->tok)
1.54      kristaps  658:                        return;
1.1       kristaps  659:                if (NULL == n->prev)
                    660:                        continue;
                    661:                break;
                    662:        }
                    663:
1.54      kristaps  664:        /*
1.55      kristaps  665:         * XXX - not documented: a `-column' does not ever assert vspace
                    666:         * within the list.
1.54      kristaps  667:         */
                    668:
1.59      kristaps  669:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.54      kristaps  670:                if (node->prev && MDOC_It == node->prev->tok)
                    671:                        return;
                    672:
1.55      kristaps  673:        /*
                    674:         * XXX - not documented: a `-diag' without a body does not
                    675:         * assert a vspace prior to the next element.
                    676:         */
1.59      kristaps  677:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.55      kristaps  678:                if (node->prev && MDOC_It == node->prev->tok) {
                    679:                        assert(node->prev->body);
                    680:                        if (NULL == node->prev->body->child)
                    681:                                return;
                    682:                }
                    683:
1.54      kristaps  684:        term_vspace(p);
1.1       kristaps  685: }
                    686:
                    687:
                    688: /* ARGSUSED */
                    689: static int
                    690: termp_dq_pre(DECL_ARGS)
                    691: {
                    692:
                    693:        if (MDOC_BODY != node->type)
                    694:                return(1);
                    695:
                    696:        term_word(p, "\\(lq");
                    697:        p->flags |= TERMP_NOSPACE;
                    698:        return(1);
                    699: }
                    700:
                    701:
                    702: /* ARGSUSED */
                    703: static void
                    704: termp_dq_post(DECL_ARGS)
                    705: {
                    706:
                    707:        if (MDOC_BODY != node->type)
                    708:                return;
                    709:
                    710:        p->flags |= TERMP_NOSPACE;
                    711:        term_word(p, "\\(rq");
                    712: }
                    713:
                    714:
                    715: /* ARGSUSED */
                    716: static int
                    717: termp_it_pre(DECL_ARGS)
                    718: {
                    719:        const struct mdoc_node *bl, *n;
                    720:        char                    buf[7];
1.39      kristaps  721:        int                     i, type, keys[3], vals[3];
1.1       kristaps  722:        size_t                  width, offset;
                    723:
1.54      kristaps  724:        if (MDOC_BLOCK == node->type) {
                    725:                fmt_block_vspace(p, node->parent->parent, node);
                    726:                return(1);
                    727:        }
1.1       kristaps  728:
                    729:        bl = node->parent->parent->parent;
                    730:
                    731:        /* Save parent attributes. */
                    732:
                    733:        pair->flag = p->flags;
                    734:
                    735:        /* Get list width and offset. */
                    736:
                    737:        keys[0] = MDOC_Width;
                    738:        keys[1] = MDOC_Offset;
                    739:        keys[2] = MDOC_Column;
                    740:
                    741:        vals[0] = vals[1] = vals[2] = -1;
                    742:
                    743:        width = offset = 0;
                    744:
                    745:        (void)arg_getattrs(keys, vals, 3, bl);
                    746:
                    747:        type = arg_listtype(bl);
1.38      kristaps  748:        assert(-1 != type);
1.1       kristaps  749:
                    750:        /* Calculate real width and offset. */
                    751:
                    752:        switch (type) {
                    753:        case (MDOC_Column):
                    754:                if (MDOC_BODY == node->type)
                    755:                        break;
1.58      kristaps  756:                /*
                    757:                 * Work around groff's column handling.  The offset is
                    758:                 * equal to the sum of all widths leading to the current
                    759:                 * column (plus the -offset value).  If this column
                    760:                 * exceeds the stated number of columns, the width is
                    761:                 * set as 0, else it's the stated column width (later
                    762:                 * the 0 will be adjusted to default 10 or, if in the
                    763:                 * last column case, set to stretch to the margin).
                    764:                 */
1.74      kristaps  765:                for (i = 0, n = node->prev; n &&
1.78      kristaps  766:                                i < (int)bl->args->argv[vals[2]].sz;
1.58      kristaps  767:                                n = n->prev, i++)
1.1       kristaps  768:                        offset += arg_width
                    769:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  770:
                    771:                /* Whether exceeds maximum column. */
1.78      kristaps  772:                if (i < (int)bl->args->argv[vals[2]].sz)
1.58      kristaps  773:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    774:                else
                    775:                        width = 0;
                    776:
1.1       kristaps  777:                if (vals[1] >= 0)
                    778:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    779:                break;
                    780:        default:
                    781:                if (vals[0] >= 0)
                    782:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    783:                if (vals[1] >= 0)
1.19      kristaps  784:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  785:                break;
                    786:        }
                    787:
                    788:        /*
                    789:         * List-type can override the width in the case of fixed-head
                    790:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  791:         * offset.
1.1       kristaps  792:         */
                    793:
                    794:        switch (type) {
                    795:        case (MDOC_Bullet):
                    796:                /* FALLTHROUGH */
                    797:        case (MDOC_Dash):
                    798:                /* FALLTHROUGH */
                    799:        case (MDOC_Hyphen):
                    800:                if (width < 4)
                    801:                        width = 4;
                    802:                break;
1.17      kristaps  803:        case (MDOC_Enum):
                    804:                if (width < 5)
                    805:                        width = 5;
                    806:                break;
1.38      kristaps  807:        case (MDOC_Hang):
1.39      kristaps  808:                if (0 == width)
                    809:                        width = 8;
                    810:                break;
1.49      kristaps  811:        case (MDOC_Column):
                    812:                /* FALLTHROUGH */
1.1       kristaps  813:        case (MDOC_Tag):
                    814:                if (0 == width)
                    815:                        width = 10;
                    816:                break;
                    817:        default:
                    818:                break;
                    819:        }
                    820:
                    821:        /*
1.17      kristaps  822:         * Whitespace control.  Inset bodies need an initial space,
                    823:         * while diagonal bodies need two.
1.1       kristaps  824:         */
                    825:
1.51      kristaps  826:        p->flags |= TERMP_NOSPACE;
                    827:
1.1       kristaps  828:        switch (type) {
1.51      kristaps  829:        case (MDOC_Diag):
1.62      kristaps  830:                if (MDOC_BODY == node->type)
                    831:                        term_word(p, "\\ \\ ");
1.51      kristaps  832:                break;
1.1       kristaps  833:        case (MDOC_Inset):
                    834:                if (MDOC_BODY == node->type)
1.51      kristaps  835:                        term_word(p, "\\ ");
1.1       kristaps  836:                break;
                    837:        default:
                    838:                break;
                    839:        }
                    840:
1.51      kristaps  841:        p->flags |= TERMP_NOSPACE;
                    842:
1.1       kristaps  843:        switch (type) {
                    844:        case (MDOC_Diag):
                    845:                if (MDOC_HEAD == node->type)
1.69      kristaps  846:                        p->bold++;
1.1       kristaps  847:                break;
                    848:        default:
                    849:                break;
                    850:        }
                    851:
                    852:        /*
                    853:         * Pad and break control.  This is the tricker part.  Lists with
                    854:         * set right-margins for the head get TERMP_NOBREAK because, if
                    855:         * they overrun the margin, they wrap to the new margin.
                    856:         * Correspondingly, the body for these types don't left-pad, as
                    857:         * the head will pad out to to the right.
                    858:         */
                    859:
                    860:        switch (type) {
                    861:        case (MDOC_Bullet):
                    862:                /* FALLTHROUGH */
                    863:        case (MDOC_Dash):
                    864:                /* FALLTHROUGH */
                    865:        case (MDOC_Enum):
                    866:                /* FALLTHROUGH */
                    867:        case (MDOC_Hyphen):
1.39      kristaps  868:                if (MDOC_HEAD == node->type)
                    869:                        p->flags |= TERMP_NOBREAK;
                    870:                else
                    871:                        p->flags |= TERMP_NOLPAD;
                    872:                break;
1.38      kristaps  873:        case (MDOC_Hang):
1.39      kristaps  874:                if (MDOC_HEAD == node->type)
                    875:                        p->flags |= TERMP_NOBREAK;
                    876:                else
                    877:                        p->flags |= TERMP_NOLPAD;
                    878:
1.59      kristaps  879:                if (MDOC_HEAD != node->type)
                    880:                        break;
                    881:
                    882:                /*
                    883:                 * This is ugly.  If `-hang' is specified and the body
                    884:                 * is a `Bl' or `Bd', then we want basically to nullify
                    885:                 * the "overstep" effect in term_flushln() and treat
                    886:                 * this as a `-ohang' list instead.
                    887:                 */
                    888:                if (node->next->child &&
                    889:                                (MDOC_Bl == node->next->child->tok ||
                    890:                                 MDOC_Bd == node->next->child->tok)) {
                    891:                        p->flags &= ~TERMP_NOBREAK;
                    892:                        p->flags &= ~TERMP_NOLPAD;
                    893:                } else
1.39      kristaps  894:                        p->flags |= TERMP_HANG;
                    895:                break;
1.1       kristaps  896:        case (MDOC_Tag):
                    897:                if (MDOC_HEAD == node->type)
1.51      kristaps  898:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  899:                else
                    900:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  901:
1.39      kristaps  902:                if (MDOC_HEAD != node->type)
                    903:                        break;
                    904:                if (NULL == node->next || NULL == node->next->child)
                    905:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  906:                break;
                    907:        case (MDOC_Column):
                    908:                if (MDOC_HEAD == node->type) {
                    909:                        assert(node->next);
                    910:                        if (MDOC_BODY == node->next->type)
                    911:                                p->flags &= ~TERMP_NOBREAK;
                    912:                        else
                    913:                                p->flags |= TERMP_NOBREAK;
                    914:                        if (node->prev)
                    915:                                p->flags |= TERMP_NOLPAD;
                    916:                }
                    917:                break;
                    918:        case (MDOC_Diag):
                    919:                if (MDOC_HEAD == node->type)
                    920:                        p->flags |= TERMP_NOBREAK;
                    921:                break;
                    922:        default:
                    923:                break;
                    924:        }
                    925:
                    926:        /*
                    927:         * Margin control.  Set-head-width lists have their right
                    928:         * margins shortened.  The body for these lists has the offset
                    929:         * necessarily lengthened.  Everybody gets the offset.
                    930:         */
                    931:
                    932:        p->offset += offset;
                    933:
                    934:        switch (type) {
1.59      kristaps  935:        case (MDOC_Hang):
                    936:                /*
                    937:                 * Same stipulation as above, regarding `-hang'.  We
                    938:                 * don't want to recalculate rmargin and offsets when
                    939:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    940:                 */
                    941:                if (MDOC_HEAD == node->type && node->next->child &&
                    942:                                (MDOC_Bl == node->next->child->tok ||
                    943:                                 MDOC_Bd == node->next->child->tok))
                    944:                        break;
                    945:                /* FALLTHROUGH */
1.1       kristaps  946:        case (MDOC_Bullet):
                    947:                /* FALLTHROUGH */
                    948:        case (MDOC_Dash):
                    949:                /* FALLTHROUGH */
                    950:        case (MDOC_Enum):
                    951:                /* FALLTHROUGH */
                    952:        case (MDOC_Hyphen):
                    953:                /* FALLTHROUGH */
                    954:        case (MDOC_Tag):
1.49      kristaps  955:                assert(width);
1.1       kristaps  956:                if (MDOC_HEAD == node->type)
                    957:                        p->rmargin = p->offset + width;
                    958:                else
                    959:                        p->offset += width;
                    960:                break;
                    961:        case (MDOC_Column):
1.49      kristaps  962:                assert(width);
1.1       kristaps  963:                p->rmargin = p->offset + width;
1.50      kristaps  964:                /*
                    965:                 * XXX - this behaviour is not documented: the
                    966:                 * right-most column is filled to the right margin.
                    967:                 */
                    968:                if (MDOC_HEAD == node->type &&
                    969:                                MDOC_BODY == node->next->type)
                    970:                        p->rmargin = p->maxrmargin;
1.1       kristaps  971:                break;
                    972:        default:
                    973:                break;
                    974:        }
                    975:
                    976:        /*
                    977:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  978:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  979:         */
                    980:
                    981:        if (MDOC_HEAD == node->type)
                    982:                switch (type) {
                    983:                case (MDOC_Bullet):
1.69      kristaps  984:                        p->bold++;
1.1       kristaps  985:                        term_word(p, "\\[bu]");
1.69      kristaps  986:                        p->bold--;
1.1       kristaps  987:                        break;
                    988:                case (MDOC_Dash):
                    989:                        /* FALLTHROUGH */
                    990:                case (MDOC_Hyphen):
1.69      kristaps  991:                        p->bold++;
1.27      kristaps  992:                        term_word(p, "\\(hy");
1.69      kristaps  993:                        p->bold--;
1.1       kristaps  994:                        break;
                    995:                case (MDOC_Enum):
                    996:                        (pair->ppair->ppair->count)++;
                    997:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    998:                                        pair->ppair->ppair->count);
                    999:                        term_word(p, buf);
                   1000:                        break;
                   1001:                default:
                   1002:                        break;
                   1003:                }
                   1004:
                   1005:        /*
                   1006:         * If we're not going to process our children, indicate so here.
                   1007:         */
                   1008:
                   1009:        switch (type) {
                   1010:        case (MDOC_Bullet):
                   1011:                /* FALLTHROUGH */
                   1012:        case (MDOC_Item):
                   1013:                /* FALLTHROUGH */
                   1014:        case (MDOC_Dash):
                   1015:                /* FALLTHROUGH */
                   1016:        case (MDOC_Hyphen):
                   1017:                /* FALLTHROUGH */
                   1018:        case (MDOC_Enum):
                   1019:                if (MDOC_HEAD == node->type)
                   1020:                        return(0);
                   1021:                break;
                   1022:        case (MDOC_Column):
                   1023:                if (MDOC_BODY == node->type)
                   1024:                        return(0);
                   1025:                break;
                   1026:        default:
                   1027:                break;
                   1028:        }
                   1029:
                   1030:        return(1);
                   1031: }
                   1032:
                   1033:
                   1034: /* ARGSUSED */
                   1035: static void
                   1036: termp_it_post(DECL_ARGS)
                   1037: {
                   1038:        int                type;
                   1039:
                   1040:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1041:                return;
                   1042:
                   1043:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1044:        assert(-1 != type);
1.1       kristaps 1045:
                   1046:        switch (type) {
                   1047:        case (MDOC_Item):
                   1048:                /* FALLTHROUGH */
1.53      kristaps 1049:        case (MDOC_Diag):
                   1050:                /* FALLTHROUGH */
1.1       kristaps 1051:        case (MDOC_Inset):
                   1052:                if (MDOC_BODY == node->type)
                   1053:                        term_flushln(p);
                   1054:                break;
                   1055:        case (MDOC_Column):
                   1056:                if (MDOC_HEAD == node->type)
                   1057:                        term_flushln(p);
                   1058:                break;
                   1059:        default:
                   1060:                term_flushln(p);
                   1061:                break;
                   1062:        }
                   1063:
                   1064:        p->flags = pair->flag;
                   1065: }
                   1066:
                   1067:
                   1068: /* ARGSUSED */
                   1069: static int
                   1070: termp_nm_pre(DECL_ARGS)
                   1071: {
                   1072:
                   1073:        if (SEC_SYNOPSIS == node->sec)
                   1074:                term_newln(p);
1.69      kristaps 1075:        p->bold++;
1.1       kristaps 1076:        if (NULL == node->child)
                   1077:                term_word(p, meta->name);
                   1078:        return(1);
                   1079: }
                   1080:
                   1081:
                   1082: /* ARGSUSED */
                   1083: static int
                   1084: termp_fl_pre(DECL_ARGS)
                   1085: {
                   1086:
1.69      kristaps 1087:        p->bold++;
1.1       kristaps 1088:        term_word(p, "\\-");
                   1089:        p->flags |= TERMP_NOSPACE;
                   1090:        return(1);
                   1091: }
                   1092:
                   1093:
                   1094: /* ARGSUSED */
                   1095: static int
1.61      kristaps 1096: termp_an_pre(DECL_ARGS)
                   1097: {
                   1098:
                   1099:        if (NULL == node->child)
                   1100:                return(1);
                   1101:
                   1102:        /*
                   1103:         * XXX: this is poorly documented.  If not in the AUTHORS
                   1104:         * section, `An -split' will cause newlines to occur before the
                   1105:         * author name.  If in the AUTHORS section, by default, the
                   1106:         * first `An' invocation is nosplit, then all subsequent ones,
                   1107:         * regardless of whether interspersed with other macros/text,
                   1108:         * are split.  -split, in this case, will override the condition
                   1109:         * of the implied first -nosplit.
                   1110:         */
                   1111:
                   1112:        if (node->sec == SEC_AUTHORS) {
                   1113:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1114:                        if (TERMP_SPLIT & p->flags)
                   1115:                                term_newln(p);
                   1116:                        return(1);
                   1117:                }
                   1118:                if (TERMP_NOSPLIT & p->flags)
                   1119:                        return(1);
                   1120:                term_newln(p);
                   1121:                return(1);
                   1122:        }
                   1123:
                   1124:        if (TERMP_SPLIT & p->flags)
                   1125:                term_newln(p);
                   1126:
                   1127:        return(1);
                   1128: }
                   1129:
                   1130:
                   1131: /* ARGSUSED */
                   1132: static void
                   1133: termp_an_post(DECL_ARGS)
                   1134: {
                   1135:
                   1136:        if (node->child) {
                   1137:                if (SEC_AUTHORS == node->sec)
                   1138:                        p->flags |= TERMP_ANPREC;
                   1139:                return;
                   1140:        }
                   1141:
                   1142:        if (arg_getattr(MDOC_Split, node) > -1) {
                   1143:                p->flags &= ~TERMP_NOSPLIT;
                   1144:                p->flags |= TERMP_SPLIT;
                   1145:        } else {
                   1146:                p->flags &= ~TERMP_SPLIT;
                   1147:                p->flags |= TERMP_NOSPLIT;
                   1148:        }
                   1149:
                   1150: }
                   1151:
                   1152:
                   1153: /* ARGSUSED */
                   1154: static int
1.1       kristaps 1155: termp_ns_pre(DECL_ARGS)
                   1156: {
                   1157:
                   1158:        p->flags |= TERMP_NOSPACE;
                   1159:        return(1);
                   1160: }
                   1161:
                   1162:
                   1163: /* ARGSUSED */
                   1164: static int
                   1165: termp_rs_pre(DECL_ARGS)
                   1166: {
                   1167:
1.80      kristaps 1168:        if (SEC_SEE_ALSO != node->sec)
                   1169:                return(1);
1.1       kristaps 1170:        if (MDOC_BLOCK == node->type && node->prev)
                   1171:                term_vspace(p);
                   1172:        return(1);
                   1173: }
                   1174:
                   1175:
                   1176: /* ARGSUSED */
                   1177: static int
                   1178: termp_rv_pre(DECL_ARGS)
                   1179: {
1.68      kristaps 1180:        const struct mdoc_node  *nn;
1.1       kristaps 1181:
                   1182:        term_newln(p);
                   1183:        term_word(p, "The");
                   1184:
1.68      kristaps 1185:        nn = node->child;
                   1186:        assert(nn);
                   1187:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1188:                p->bold++;
1.68      kristaps 1189:                term_word(p, nn->string);
1.69      kristaps 1190:                p->bold--;
1.68      kristaps 1191:                p->flags |= TERMP_NOSPACE;
                   1192:                if (nn->next && NULL == nn->next->next)
                   1193:                        term_word(p, "(), and");
                   1194:                else if (nn->next)
                   1195:                        term_word(p, "(),");
                   1196:                else
                   1197:                        term_word(p, "()");
                   1198:        }
                   1199:
                   1200:        if (node->child->next)
                   1201:                term_word(p, "functions return");
                   1202:        else
                   1203:                term_word(p, "function returns");
1.1       kristaps 1204:
1.68      kristaps 1205:                term_word(p, "the value 0 if successful; otherwise the value "
                   1206:                        "-1 is returned and the global variable");
1.1       kristaps 1207:
1.69      kristaps 1208:        p->under++;
1.1       kristaps 1209:        term_word(p, "errno");
1.69      kristaps 1210:        p->under--;
1.1       kristaps 1211:
                   1212:                term_word(p, "is set to indicate the error.");
                   1213:
1.68      kristaps 1214:        return(0);
1.1       kristaps 1215: }
                   1216:
                   1217:
                   1218: /* ARGSUSED */
                   1219: static int
                   1220: termp_ex_pre(DECL_ARGS)
                   1221: {
1.68      kristaps 1222:        const struct mdoc_node  *nn;
1.1       kristaps 1223:
1.68      kristaps 1224:        term_word(p, "The");
1.1       kristaps 1225:
1.68      kristaps 1226:        nn = node->child;
                   1227:        assert(nn);
                   1228:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1229:                p->bold++;
1.68      kristaps 1230:                term_word(p, nn->string);
1.69      kristaps 1231:                p->bold--;
1.68      kristaps 1232:                p->flags |= TERMP_NOSPACE;
                   1233:                if (nn->next && NULL == nn->next->next)
                   1234:                        term_word(p, ", and");
                   1235:                else if (nn->next)
                   1236:                        term_word(p, ",");
                   1237:                else
                   1238:                        p->flags &= ~TERMP_NOSPACE;
                   1239:        }
                   1240:
                   1241:        if (node->child->next)
                   1242:                term_word(p, "utilities exit");
                   1243:        else
                   1244:                term_word(p, "utility exits");
                   1245:
                   1246:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1247:
1.68      kristaps 1248:        return(0);
1.1       kristaps 1249: }
                   1250:
                   1251:
                   1252: /* ARGSUSED */
                   1253: static int
                   1254: termp_nd_pre(DECL_ARGS)
                   1255: {
1.25      kristaps 1256:
                   1257:        if (MDOC_BODY != node->type)
                   1258:                return(1);
1.30      kristaps 1259:
1.27      kristaps 1260: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1261:        term_word(p, "\\(en");
1.23      kristaps 1262: #else
                   1263:        term_word(p, "\\(em");
                   1264: #endif
1.1       kristaps 1265:        return(1);
                   1266: }
                   1267:
                   1268:
                   1269: /* ARGSUSED */
                   1270: static void
                   1271: termp_bl_post(DECL_ARGS)
                   1272: {
                   1273:
                   1274:        if (MDOC_BLOCK == node->type)
                   1275:                term_newln(p);
                   1276: }
                   1277:
                   1278:
                   1279: /* ARGSUSED */
                   1280: static void
                   1281: termp_op_post(DECL_ARGS)
                   1282: {
                   1283:
                   1284:        if (MDOC_BODY != node->type)
                   1285:                return;
                   1286:        p->flags |= TERMP_NOSPACE;
                   1287:        term_word(p, "\\(rB");
                   1288: }
                   1289:
                   1290:
                   1291: /* ARGSUSED */
                   1292: static int
                   1293: termp_xr_pre(DECL_ARGS)
                   1294: {
                   1295:        const struct mdoc_node *n;
                   1296:
1.11      kristaps 1297:        assert(node->child && MDOC_TEXT == node->child->type);
                   1298:        n = node->child;
                   1299:
1.1       kristaps 1300:        term_word(p, n->string);
                   1301:        if (NULL == (n = n->next))
                   1302:                return(0);
                   1303:        p->flags |= TERMP_NOSPACE;
                   1304:        term_word(p, "(");
                   1305:        p->flags |= TERMP_NOSPACE;
                   1306:        term_word(p, n->string);
                   1307:        p->flags |= TERMP_NOSPACE;
                   1308:        term_word(p, ")");
                   1309:        return(0);
                   1310: }
                   1311:
                   1312:
                   1313: /* ARGSUSED */
                   1314: static void
                   1315: termp_vt_post(DECL_ARGS)
                   1316: {
                   1317:
1.32      kristaps 1318:        if (node->sec != SEC_SYNOPSIS)
                   1319:                return;
                   1320:        if (node->next && MDOC_Vt == node->next->tok)
                   1321:                term_newln(p);
                   1322:        else if (node->next)
1.1       kristaps 1323:                term_vspace(p);
                   1324: }
                   1325:
                   1326:
                   1327: /* ARGSUSED */
                   1328: static int
1.69      kristaps 1329: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1330: {
                   1331:
1.69      kristaps 1332:        p->bold++;
1.1       kristaps 1333:        return(1);
                   1334: }
                   1335:
                   1336:
                   1337: /* ARGSUSED */
                   1338: static void
                   1339: termp_fd_post(DECL_ARGS)
                   1340: {
                   1341:
                   1342:        if (node->sec != SEC_SYNOPSIS)
                   1343:                return;
1.29      kristaps 1344:
1.1       kristaps 1345:        term_newln(p);
                   1346:        if (node->next && MDOC_Fd != node->next->tok)
                   1347:                term_vspace(p);
                   1348: }
                   1349:
                   1350:
                   1351: /* ARGSUSED */
                   1352: static int
                   1353: termp_sh_pre(DECL_ARGS)
                   1354: {
1.64      kristaps 1355:        /*
1.65      kristaps 1356:         * XXX: undocumented: using two `Sh' macros in sequence has no
                   1357:         * vspace between calls, only a newline.
1.64      kristaps 1358:         */
1.1       kristaps 1359:        switch (node->type) {
1.65      kristaps 1360:        case (MDOC_BLOCK):
                   1361:                if (node->prev && MDOC_Sh == node->prev->tok)
                   1362:                        if (NULL == node->prev->body->child)
                   1363:                                break;
                   1364:                term_vspace(p);
                   1365:                break;
1.1       kristaps 1366:        case (MDOC_HEAD):
1.69      kristaps 1367:                p->bold++;
1.1       kristaps 1368:                break;
                   1369:        case (MDOC_BODY):
                   1370:                p->offset = INDENT;
                   1371:                break;
                   1372:        default:
                   1373:                break;
                   1374:        }
                   1375:        return(1);
                   1376: }
                   1377:
                   1378:
                   1379: /* ARGSUSED */
                   1380: static void
                   1381: termp_sh_post(DECL_ARGS)
                   1382: {
                   1383:
                   1384:        switch (node->type) {
                   1385:        case (MDOC_HEAD):
                   1386:                term_newln(p);
                   1387:                break;
                   1388:        case (MDOC_BODY):
                   1389:                term_newln(p);
                   1390:                p->offset = 0;
                   1391:                break;
                   1392:        default:
                   1393:                break;
                   1394:        }
                   1395: }
                   1396:
                   1397:
                   1398: /* ARGSUSED */
                   1399: static int
                   1400: termp_op_pre(DECL_ARGS)
                   1401: {
                   1402:
                   1403:        switch (node->type) {
                   1404:        case (MDOC_BODY):
                   1405:                term_word(p, "\\(lB");
                   1406:                p->flags |= TERMP_NOSPACE;
                   1407:                break;
                   1408:        default:
                   1409:                break;
                   1410:        }
                   1411:        return(1);
                   1412: }
                   1413:
                   1414:
                   1415: /* ARGSUSED */
                   1416: static int
                   1417: termp_bt_pre(DECL_ARGS)
                   1418: {
                   1419:
                   1420:        term_word(p, "is currently in beta test.");
1.81      kristaps 1421:        return(0);
1.1       kristaps 1422: }
                   1423:
                   1424:
                   1425: /* ARGSUSED */
                   1426: static void
                   1427: termp_lb_post(DECL_ARGS)
                   1428: {
                   1429:
1.81      kristaps 1430:        if (SEC_LIBRARY == node->sec)
                   1431:                term_newln(p);
1.1       kristaps 1432: }
                   1433:
                   1434:
                   1435: /* ARGSUSED */
                   1436: static int
                   1437: termp_ud_pre(DECL_ARGS)
                   1438: {
                   1439:
                   1440:        term_word(p, "currently under development.");
                   1441:        return(1);
                   1442: }
                   1443:
                   1444:
                   1445: /* ARGSUSED */
                   1446: static int
                   1447: termp_d1_pre(DECL_ARGS)
                   1448: {
                   1449:
1.4       kristaps 1450:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1451:                return(1);
                   1452:        term_newln(p);
1.29      kristaps 1453:        p->offset += (INDENT + 1);
1.1       kristaps 1454:        return(1);
                   1455: }
                   1456:
                   1457:
                   1458: /* ARGSUSED */
                   1459: static void
                   1460: termp_d1_post(DECL_ARGS)
                   1461: {
                   1462:
1.4       kristaps 1463:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1464:                return;
                   1465:        term_newln(p);
                   1466: }
                   1467:
                   1468:
                   1469: /* ARGSUSED */
                   1470: static int
                   1471: termp_aq_pre(DECL_ARGS)
                   1472: {
                   1473:
                   1474:        if (MDOC_BODY != node->type)
                   1475:                return(1);
                   1476:        term_word(p, "\\(la");
                   1477:        p->flags |= TERMP_NOSPACE;
                   1478:        return(1);
                   1479: }
                   1480:
                   1481:
                   1482: /* ARGSUSED */
                   1483: static void
                   1484: termp_aq_post(DECL_ARGS)
                   1485: {
                   1486:
                   1487:        if (MDOC_BODY != node->type)
                   1488:                return;
                   1489:        p->flags |= TERMP_NOSPACE;
                   1490:        term_word(p, "\\(ra");
                   1491: }
                   1492:
                   1493:
                   1494: /* ARGSUSED */
                   1495: static int
                   1496: termp_ft_pre(DECL_ARGS)
                   1497: {
                   1498:
                   1499:        if (SEC_SYNOPSIS == node->sec)
                   1500:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1501:                        term_vspace(p);
1.69      kristaps 1502:        p->under++;
1.1       kristaps 1503:        return(1);
                   1504: }
                   1505:
                   1506:
                   1507: /* ARGSUSED */
                   1508: static void
                   1509: termp_ft_post(DECL_ARGS)
                   1510: {
                   1511:
                   1512:        if (SEC_SYNOPSIS == node->sec)
                   1513:                term_newln(p);
                   1514: }
                   1515:
                   1516:
                   1517: /* ARGSUSED */
                   1518: static int
                   1519: termp_fn_pre(DECL_ARGS)
                   1520: {
                   1521:        const struct mdoc_node *n;
                   1522:
1.69      kristaps 1523:        p->bold++;
1.1       kristaps 1524:        term_word(p, node->child->string);
1.69      kristaps 1525:        p->bold--;
1.1       kristaps 1526:
                   1527:        p->flags |= TERMP_NOSPACE;
                   1528:        term_word(p, "(");
                   1529:
                   1530:        for (n = node->child->next; n; n = n->next) {
1.69      kristaps 1531:                p->under++;
1.1       kristaps 1532:                term_word(p, n->string);
1.69      kristaps 1533:                p->under--;
1.1       kristaps 1534:                if (n->next)
                   1535:                        term_word(p, ",");
                   1536:        }
                   1537:
                   1538:        term_word(p, ")");
                   1539:
                   1540:        if (SEC_SYNOPSIS == node->sec)
                   1541:                term_word(p, ";");
                   1542:
                   1543:        return(0);
                   1544: }
                   1545:
                   1546:
                   1547: /* ARGSUSED */
                   1548: static void
                   1549: termp_fn_post(DECL_ARGS)
                   1550: {
                   1551:
                   1552:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1553:                term_vspace(p);
                   1554: }
                   1555:
                   1556:
                   1557: /* ARGSUSED */
                   1558: static int
                   1559: termp_fa_pre(DECL_ARGS)
                   1560: {
                   1561:        struct mdoc_node *n;
                   1562:
                   1563:        if (node->parent->tok != MDOC_Fo) {
1.69      kristaps 1564:                p->under++;
1.1       kristaps 1565:                return(1);
                   1566:        }
                   1567:
                   1568:        for (n = node->child; n; n = n->next) {
1.69      kristaps 1569:                p->under++;
1.1       kristaps 1570:                term_word(p, n->string);
1.69      kristaps 1571:                p->under--;
1.1       kristaps 1572:                if (n->next)
                   1573:                        term_word(p, ",");
                   1574:        }
                   1575:
                   1576:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1577:                term_word(p, ",");
                   1578:
                   1579:        return(0);
                   1580: }
                   1581:
                   1582:
                   1583: /* ARGSUSED */
                   1584: static int
                   1585: termp_bd_pre(DECL_ARGS)
                   1586: {
1.60      kristaps 1587:        int              i, type;
1.1       kristaps 1588:
                   1589:        /*
                   1590:         * This is fairly tricky due primarily to crappy documentation.
                   1591:         * If -ragged or -filled are specified, the block does nothing
                   1592:         * but change the indentation.
                   1593:         *
                   1594:         * If, on the other hand, -unfilled or -literal are specified,
                   1595:         * then the game changes.  Text is printed exactly as entered in
                   1596:         * the display: if a macro line, a newline is appended to the
                   1597:         * line.  Blank lines are allowed.
                   1598:         */
                   1599:
1.54      kristaps 1600:        if (MDOC_BLOCK == node->type) {
                   1601:                fmt_block_vspace(p, node, node);
                   1602:                return(1);
                   1603:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1604:                return(1);
                   1605:
1.60      kristaps 1606:        assert(node->parent->args);
1.11      kristaps 1607:
1.60      kristaps 1608:        for (type = -1, i = 0; -1 == type &&
1.1       kristaps 1609:                        i < (int)node->parent->args->argc; i++) {
                   1610:                switch (node->parent->args->argv[i].arg) {
                   1611:                case (MDOC_Ragged):
                   1612:                        /* FALLTHROUGH */
                   1613:                case (MDOC_Filled):
                   1614:                        /* FALLTHROUGH */
                   1615:                case (MDOC_Unfilled):
                   1616:                        /* FALLTHROUGH */
                   1617:                case (MDOC_Literal):
                   1618:                        type = node->parent->args->argv[i].arg;
                   1619:                        break;
                   1620:                default:
                   1621:                        break;
                   1622:                }
                   1623:        }
1.60      kristaps 1624:
                   1625:        assert(type > -1);
1.1       kristaps 1626:
                   1627:        i = arg_getattr(MDOC_Offset, node->parent);
1.60      kristaps 1628:        if (-1 != i)
1.1       kristaps 1629:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1630:
                   1631:        switch (type) {
                   1632:        case (MDOC_Literal):
                   1633:                /* FALLTHROUGH */
                   1634:        case (MDOC_Unfilled):
                   1635:                break;
                   1636:        default:
                   1637:                return(1);
                   1638:        }
                   1639:
                   1640:        for (node = node->child; node; node = node->next) {
1.60      kristaps 1641:                p->flags |= TERMP_NOSPACE;
                   1642:                print_node(p, pair, meta, node);
                   1643:                if (node->next)
1.1       kristaps 1644:                        term_flushln(p);
                   1645:        }
                   1646:
                   1647:        return(0);
                   1648: }
                   1649:
                   1650:
                   1651: /* ARGSUSED */
                   1652: static void
                   1653: termp_bd_post(DECL_ARGS)
                   1654: {
                   1655:
                   1656:        if (MDOC_BODY != node->type)
                   1657:                return;
1.60      kristaps 1658:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1659:        term_flushln(p);
                   1660: }
                   1661:
                   1662:
                   1663: /* ARGSUSED */
                   1664: static int
                   1665: termp_qq_pre(DECL_ARGS)
                   1666: {
                   1667:
                   1668:        if (MDOC_BODY != node->type)
                   1669:                return(1);
                   1670:        term_word(p, "\"");
                   1671:        p->flags |= TERMP_NOSPACE;
                   1672:        return(1);
                   1673: }
                   1674:
                   1675:
                   1676: /* ARGSUSED */
                   1677: static void
                   1678: termp_qq_post(DECL_ARGS)
                   1679: {
                   1680:
                   1681:        if (MDOC_BODY != node->type)
                   1682:                return;
                   1683:        p->flags |= TERMP_NOSPACE;
                   1684:        term_word(p, "\"");
                   1685: }
                   1686:
                   1687:
                   1688: /* ARGSUSED */
                   1689: static void
                   1690: termp_bx_post(DECL_ARGS)
                   1691: {
                   1692:
                   1693:        if (node->child)
                   1694:                p->flags |= TERMP_NOSPACE;
                   1695:        term_word(p, "BSD");
                   1696: }
                   1697:
                   1698:
                   1699: /* ARGSUSED */
                   1700: static int
1.26      kristaps 1701: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1702: {
1.26      kristaps 1703:        const char      *pp;
1.1       kristaps 1704:
1.26      kristaps 1705:        pp = NULL;
                   1706:        switch (node->tok) {
                   1707:        case (MDOC_Bsx):
                   1708:                pp = "BSDI BSD/OS";
                   1709:                break;
                   1710:        case (MDOC_Dx):
                   1711:                pp = "DragonFlyBSD";
                   1712:                break;
                   1713:        case (MDOC_Fx):
                   1714:                pp = "FreeBSD";
                   1715:                break;
                   1716:        case (MDOC_Nx):
                   1717:                pp = "NetBSD";
                   1718:                break;
                   1719:        case (MDOC_Ox):
                   1720:                pp = "OpenBSD";
                   1721:                break;
                   1722:        case (MDOC_Ux):
                   1723:                pp = "UNIX";
                   1724:                break;
                   1725:        default:
                   1726:                break;
                   1727:        }
1.1       kristaps 1728:
1.26      kristaps 1729:        assert(pp);
                   1730:        term_word(p, pp);
1.1       kristaps 1731:        return(1);
                   1732: }
                   1733:
                   1734:
                   1735: /* ARGSUSED */
                   1736: static int
                   1737: termp_sq_pre(DECL_ARGS)
                   1738: {
                   1739:
                   1740:        if (MDOC_BODY != node->type)
                   1741:                return(1);
                   1742:        term_word(p, "\\(oq");
                   1743:        p->flags |= TERMP_NOSPACE;
                   1744:        return(1);
                   1745: }
                   1746:
                   1747:
                   1748: /* ARGSUSED */
                   1749: static void
                   1750: termp_sq_post(DECL_ARGS)
                   1751: {
                   1752:
                   1753:        if (MDOC_BODY != node->type)
                   1754:                return;
                   1755:        p->flags |= TERMP_NOSPACE;
                   1756:        term_word(p, "\\(aq");
                   1757: }
                   1758:
                   1759:
                   1760: /* ARGSUSED */
                   1761: static int
                   1762: termp_pf_pre(DECL_ARGS)
                   1763: {
                   1764:
                   1765:        p->flags |= TERMP_IGNDELIM;
                   1766:        return(1);
                   1767: }
                   1768:
                   1769:
                   1770: /* ARGSUSED */
                   1771: static void
                   1772: termp_pf_post(DECL_ARGS)
                   1773: {
                   1774:
                   1775:        p->flags &= ~TERMP_IGNDELIM;
                   1776:        p->flags |= TERMP_NOSPACE;
                   1777: }
                   1778:
                   1779:
                   1780: /* ARGSUSED */
                   1781: static int
                   1782: termp_ss_pre(DECL_ARGS)
                   1783: {
                   1784:
                   1785:        switch (node->type) {
                   1786:        case (MDOC_BLOCK):
                   1787:                term_newln(p);
                   1788:                if (node->prev)
                   1789:                        term_vspace(p);
                   1790:                break;
                   1791:        case (MDOC_HEAD):
1.69      kristaps 1792:                p->bold++;
1.5       kristaps 1793:                p->offset = HALFINDENT;
1.1       kristaps 1794:                break;
                   1795:        default:
                   1796:                break;
                   1797:        }
                   1798:
                   1799:        return(1);
                   1800: }
                   1801:
                   1802:
                   1803: /* ARGSUSED */
                   1804: static void
                   1805: termp_ss_post(DECL_ARGS)
                   1806: {
                   1807:
1.29      kristaps 1808:        if (MDOC_HEAD == node->type)
1.1       kristaps 1809:                term_newln(p);
                   1810: }
                   1811:
                   1812:
                   1813: /* ARGSUSED */
                   1814: static int
                   1815: termp_cd_pre(DECL_ARGS)
                   1816: {
                   1817:
1.69      kristaps 1818:        p->bold++;
1.1       kristaps 1819:        term_newln(p);
                   1820:        return(1);
                   1821: }
                   1822:
                   1823:
                   1824: /* ARGSUSED */
                   1825: static int
                   1826: termp_in_pre(DECL_ARGS)
                   1827: {
                   1828:
1.69      kristaps 1829:        p->bold++;
1.22      kristaps 1830:        if (SEC_SYNOPSIS == node->sec)
                   1831:                term_word(p, "#include");
                   1832:
1.1       kristaps 1833:        term_word(p, "<");
                   1834:        p->flags |= TERMP_NOSPACE;
                   1835:        return(1);
                   1836: }
                   1837:
                   1838:
                   1839: /* ARGSUSED */
                   1840: static void
                   1841: termp_in_post(DECL_ARGS)
                   1842: {
                   1843:
1.69      kristaps 1844:        p->bold++;
1.79      kristaps 1845:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1846:        term_word(p, ">");
1.69      kristaps 1847:        p->bold--;
1.1       kristaps 1848:
                   1849:        if (SEC_SYNOPSIS != node->sec)
                   1850:                return;
1.22      kristaps 1851:
                   1852:        term_newln(p);
                   1853:        /*
                   1854:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1855:         * the SYNOPSIS section, then it produces a single break after
                   1856:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1857:         * construction is rarely used, I think it's fine.
                   1858:         */
1.1       kristaps 1859:        if (node->next && MDOC_In != node->next->tok)
                   1860:                term_vspace(p);
                   1861: }
                   1862:
                   1863:
                   1864: /* ARGSUSED */
                   1865: static int
1.45      kristaps 1866: termp_sp_pre(DECL_ARGS)
                   1867: {
                   1868:        int              i, len;
                   1869:
1.77      kristaps 1870:        switch (node->tok) {
1.76      kristaps 1871:        case (MDOC_sp):
                   1872:                len = node->child ? atoi(node->child->string) : 1;
                   1873:                break;
                   1874:        case (MDOC_br):
                   1875:                len = 0;
                   1876:                break;
                   1877:        default:
                   1878:                len = 1;
                   1879:                break;
1.45      kristaps 1880:        }
                   1881:
                   1882:        if (0 == len)
                   1883:                term_newln(p);
                   1884:        for (i = 0; i < len; i++)
                   1885:                term_vspace(p);
                   1886:
                   1887:        return(0);
                   1888: }
                   1889:
                   1890:
                   1891: /* ARGSUSED */
                   1892: static int
1.1       kristaps 1893: termp_brq_pre(DECL_ARGS)
                   1894: {
                   1895:
                   1896:        if (MDOC_BODY != node->type)
                   1897:                return(1);
                   1898:        term_word(p, "\\(lC");
                   1899:        p->flags |= TERMP_NOSPACE;
                   1900:        return(1);
                   1901: }
                   1902:
                   1903:
                   1904: /* ARGSUSED */
                   1905: static void
                   1906: termp_brq_post(DECL_ARGS)
                   1907: {
                   1908:
                   1909:        if (MDOC_BODY != node->type)
                   1910:                return;
                   1911:        p->flags |= TERMP_NOSPACE;
                   1912:        term_word(p, "\\(rC");
                   1913: }
                   1914:
                   1915:
                   1916: /* ARGSUSED */
                   1917: static int
                   1918: termp_bq_pre(DECL_ARGS)
                   1919: {
                   1920:
                   1921:        if (MDOC_BODY != node->type)
                   1922:                return(1);
                   1923:        term_word(p, "\\(lB");
                   1924:        p->flags |= TERMP_NOSPACE;
                   1925:        return(1);
                   1926: }
                   1927:
                   1928:
                   1929: /* ARGSUSED */
                   1930: static void
                   1931: termp_bq_post(DECL_ARGS)
                   1932: {
                   1933:
                   1934:        if (MDOC_BODY != node->type)
                   1935:                return;
                   1936:        p->flags |= TERMP_NOSPACE;
                   1937:        term_word(p, "\\(rB");
                   1938: }
                   1939:
                   1940:
                   1941: /* ARGSUSED */
                   1942: static int
                   1943: termp_pq_pre(DECL_ARGS)
                   1944: {
                   1945:
                   1946:        if (MDOC_BODY != node->type)
                   1947:                return(1);
                   1948:        term_word(p, "\\&(");
                   1949:        p->flags |= TERMP_NOSPACE;
                   1950:        return(1);
                   1951: }
                   1952:
                   1953:
                   1954: /* ARGSUSED */
                   1955: static void
                   1956: termp_pq_post(DECL_ARGS)
                   1957: {
                   1958:
                   1959:        if (MDOC_BODY != node->type)
                   1960:                return;
                   1961:        term_word(p, ")");
                   1962: }
                   1963:
                   1964:
                   1965: /* ARGSUSED */
                   1966: static int
                   1967: termp_fo_pre(DECL_ARGS)
                   1968: {
                   1969:        const struct mdoc_node *n;
                   1970:
                   1971:        if (MDOC_BODY == node->type) {
1.33      kristaps 1972:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1973:                term_word(p, "(");
                   1974:                p->flags |= TERMP_NOSPACE;
                   1975:                return(1);
                   1976:        } else if (MDOC_HEAD != node->type)
                   1977:                return(1);
                   1978:
1.69      kristaps 1979:        p->bold++;
1.1       kristaps 1980:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1981:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1982:                term_word(p, n->string);
                   1983:        }
1.69      kristaps 1984:        p->bold--;
1.1       kristaps 1985:
                   1986:        return(0);
                   1987: }
                   1988:
                   1989:
                   1990: /* ARGSUSED */
                   1991: static void
                   1992: termp_fo_post(DECL_ARGS)
                   1993: {
                   1994:
                   1995:        if (MDOC_BODY != node->type)
                   1996:                return;
                   1997:        p->flags |= TERMP_NOSPACE;
                   1998:        term_word(p, ")");
                   1999:        p->flags |= TERMP_NOSPACE;
                   2000:        term_word(p, ";");
                   2001:        term_newln(p);
                   2002: }
                   2003:
                   2004:
                   2005: /* ARGSUSED */
                   2006: static int
                   2007: termp_bf_pre(DECL_ARGS)
                   2008: {
                   2009:        const struct mdoc_node  *n;
                   2010:
1.28      kristaps 2011:        if (MDOC_HEAD == node->type)
1.1       kristaps 2012:                return(0);
1.28      kristaps 2013:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 2014:                return(1);
                   2015:
                   2016:        if (NULL == (n = node->head->child)) {
                   2017:                if (arg_hasattr(MDOC_Emphasis, node))
1.69      kristaps 2018:                        p->under++;
1.1       kristaps 2019:                else if (arg_hasattr(MDOC_Symbolic, node))
1.69      kristaps 2020:                        p->bold++;
1.1       kristaps 2021:
                   2022:                return(1);
                   2023:        }
                   2024:
1.11      kristaps 2025:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2026:        if (0 == strcmp("Em", n->string))
1.69      kristaps 2027:                p->under++;
1.1       kristaps 2028:        else if (0 == strcmp("Sy", n->string))
1.69      kristaps 2029:                p->bold++;
1.1       kristaps 2030:
                   2031:        return(1);
                   2032: }
                   2033:
                   2034:
                   2035: /* ARGSUSED */
                   2036: static int
                   2037: termp_sm_pre(DECL_ARGS)
                   2038: {
                   2039:
1.11      kristaps 2040:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2041:        if (0 == strcmp("on", node->child->string)) {
                   2042:                p->flags &= ~TERMP_NONOSPACE;
                   2043:                p->flags &= ~TERMP_NOSPACE;
                   2044:        } else
                   2045:                p->flags |= TERMP_NONOSPACE;
                   2046:
                   2047:        return(0);
                   2048: }
                   2049:
                   2050:
                   2051: /* ARGSUSED */
                   2052: static int
                   2053: termp_ap_pre(DECL_ARGS)
                   2054: {
                   2055:
                   2056:        p->flags |= TERMP_NOSPACE;
                   2057:        term_word(p, "\\(aq");
                   2058:        p->flags |= TERMP_NOSPACE;
                   2059:        return(1);
                   2060: }
                   2061:
                   2062:
                   2063: /* ARGSUSED */
                   2064: static void
                   2065: termp____post(DECL_ARGS)
                   2066: {
                   2067:
                   2068:        p->flags |= TERMP_NOSPACE;
1.84    ! kristaps 2069:        switch (node->tok) {
        !          2070:        case (MDOC__T):
        !          2071:                term_word(p, "\\(rq");
        !          2072:                p->flags |= TERMP_NOSPACE;
        !          2073:                break;
        !          2074:        default:
        !          2075:                break;
        !          2076:        }
1.1       kristaps 2077:        term_word(p, node->next ? "," : ".");
                   2078: }
                   2079:
                   2080:
                   2081: /* ARGSUSED */
                   2082: static int
                   2083: termp_lk_pre(DECL_ARGS)
                   2084: {
                   2085:        const struct mdoc_node *n;
                   2086:
1.11      kristaps 2087:        assert(node->child);
                   2088:        n = node->child;
1.1       kristaps 2089:
1.12      kristaps 2090:        if (NULL == n->next) {
1.69      kristaps 2091:                p->under++;
1.12      kristaps 2092:                return(1);
                   2093:        }
                   2094:
1.69      kristaps 2095:        p->under++;
1.1       kristaps 2096:        term_word(p, n->string);
                   2097:        p->flags |= TERMP_NOSPACE;
                   2098:        term_word(p, ":");
1.69      kristaps 2099:        p->under--;
1.1       kristaps 2100:
1.69      kristaps 2101:        p->bold++;
1.12      kristaps 2102:        for (n = n->next; n; n = n->next)
1.1       kristaps 2103:                term_word(p, n->string);
1.69      kristaps 2104:        p->bold--;
1.12      kristaps 2105:
1.1       kristaps 2106:        return(0);
                   2107: }
                   2108:
                   2109:
                   2110: /* ARGSUSED */
                   2111: static int
1.69      kristaps 2112: termp_under_pre(DECL_ARGS)
1.1       kristaps 2113: {
                   2114:
1.69      kristaps 2115:        p->under++;
1.1       kristaps 2116:        return(1);
                   2117: }
1.83      kristaps 2118:
1.84    ! kristaps 2119:
        !          2120: /* ARGSUSED */
        !          2121: static int
        !          2122: termp__t_pre(DECL_ARGS)
        !          2123: {
        !          2124:
        !          2125:        term_word(p, "\\(lq");
        !          2126:        p->flags |= TERMP_NOSPACE;
        !          2127:        return(1);
        !          2128: }

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