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Annotation of mandoc/mdoc_term.c, Revision 1.75

1.75    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.74 2009/09/20 17:48:13 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:
1.61      kristaps  109: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps  110: static int       termp_ap_pre(DECL_ARGS);
                    111: static int       termp_aq_pre(DECL_ARGS);
                    112: static int       termp_bd_pre(DECL_ARGS);
                    113: static int       termp_bf_pre(DECL_ARGS);
1.69      kristaps  114: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  115: static int       termp_bq_pre(DECL_ARGS);
1.44      kristaps  116: static int       termp_br_pre(DECL_ARGS);
1.31      kristaps  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_pp_pre(DECL_ARGS);
                    137: static int       termp_pq_pre(DECL_ARGS);
                    138: static int       termp_qq_pre(DECL_ARGS);
                    139: static int       termp_rs_pre(DECL_ARGS);
                    140: static int       termp_rv_pre(DECL_ARGS);
                    141: static int       termp_sh_pre(DECL_ARGS);
                    142: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  143: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  144: static int       termp_sq_pre(DECL_ARGS);
                    145: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  146: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  147: static int       termp_ud_pre(DECL_ARGS);
                    148: static int       termp_xr_pre(DECL_ARGS);
                    149: static int       termp_xx_pre(DECL_ARGS);
                    150:
1.70      kristaps  151: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  152:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  153:        { NULL, NULL }, /* Dd */
                    154:        { NULL, NULL }, /* Dt */
                    155:        { NULL, NULL }, /* Os */
                    156:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    157:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    158:        { termp_pp_pre, NULL }, /* Pp */
                    159:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    160:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    161:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    162:        { NULL, NULL }, /* Ed */
                    163:        { NULL, termp_bl_post }, /* Bl */
                    164:        { NULL, NULL }, /* El */
                    165:        { termp_it_pre, termp_it_post }, /* It */
                    166:        { NULL, NULL }, /* Ad */
1.61      kristaps  167:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  168:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  169:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  170:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  171:        { NULL, NULL }, /* Dv */
                    172:        { NULL, NULL }, /* Er */
                    173:        { NULL, NULL }, /* Ev */
                    174:        { termp_ex_pre, NULL }, /* Ex */
                    175:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  176:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  177:        { termp_fl_pre, NULL }, /* Fl */
                    178:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    179:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  180:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  181:        { termp_in_pre, termp_in_post }, /* In */
                    182:        { NULL, NULL }, /* Li */
                    183:        { termp_nd_pre, NULL }, /* Nd */
                    184:        { termp_nm_pre, NULL }, /* Nm */
                    185:        { termp_op_pre, termp_op_post }, /* Op */
                    186:        { NULL, NULL }, /* Ot */
1.69      kristaps  187:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  188:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  189:        { NULL, NULL }, /* St */
1.69      kristaps  190:        { termp_under_pre, NULL }, /* Va */
1.70      kristaps  191:        { termp_under_pre, termp_vt_post }, /* Vt */
1.1       kristaps  192:        { termp_xr_pre, NULL }, /* Xr */
                    193:        { NULL, termp____post }, /* %A */
                    194:        { NULL, termp____post }, /* %B */
                    195:        { NULL, termp____post }, /* %D */
                    196:        { NULL, termp____post }, /* %I */
1.69      kristaps  197:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  198:        { NULL, termp____post }, /* %N */
                    199:        { NULL, termp____post }, /* %O */
                    200:        { NULL, termp____post }, /* %P */
                    201:        { NULL, termp____post }, /* %R */
1.69      kristaps  202:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  203:        { NULL, termp____post }, /* %V */
                    204:        { NULL, NULL }, /* Ac */
                    205:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    206:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  207:        { NULL, NULL }, /* At */
1.1       kristaps  208:        { NULL, NULL }, /* Bc */
                    209:        { termp_bf_pre, NULL }, /* Bf */
                    210:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    211:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  212:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  213:        { NULL, termp_bx_post }, /* Bx */
                    214:        { NULL, NULL }, /* Db */
                    215:        { NULL, NULL }, /* Dc */
                    216:        { termp_dq_pre, termp_dq_post }, /* Do */
                    217:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    218:        { NULL, NULL }, /* Ec */
                    219:        { NULL, NULL }, /* Ef */
1.69      kristaps  220:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  221:        { NULL, NULL }, /* Eo */
1.26      kristaps  222:        { termp_xx_pre, NULL }, /* Fx */
1.69      kristaps  223:        { termp_bold_pre, NULL }, /* Ms */
1.1       kristaps  224:        { NULL, NULL }, /* No */
                    225:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  226:        { termp_xx_pre, NULL }, /* Nx */
                    227:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  228:        { NULL, NULL }, /* Pc */
                    229:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    230:        { termp_pq_pre, termp_pq_post }, /* Po */
                    231:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    232:        { NULL, NULL }, /* Qc */
                    233:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    234:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    235:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    236:        { NULL, NULL }, /* Re */
                    237:        { termp_rs_pre, NULL }, /* Rs */
                    238:        { NULL, NULL }, /* Sc */
                    239:        { termp_sq_pre, termp_sq_post }, /* So */
                    240:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    241:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  242:        { termp_under_pre, NULL }, /* Sx */
                    243:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  244:        { NULL, NULL }, /* Tn */
1.26      kristaps  245:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  246:        { NULL, NULL }, /* Xc */
                    247:        { NULL, NULL }, /* Xo */
                    248:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    249:        { NULL, NULL }, /* Fc */
                    250:        { termp_op_pre, termp_op_post }, /* Oo */
                    251:        { NULL, NULL }, /* Oc */
                    252:        { NULL, NULL }, /* Bk */
                    253:        { NULL, NULL }, /* Ek */
                    254:        { termp_bt_pre, NULL }, /* Bt */
                    255:        { NULL, NULL }, /* Hf */
                    256:        { NULL, NULL }, /* Fr */
                    257:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  258:        { NULL, termp_lb_post }, /* Lb */
1.14      kristaps  259:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  260:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  261:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  262:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    263:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    264:        { NULL, NULL }, /* Brc */
                    265:        { NULL, NULL }, /* %C */
                    266:        { NULL, NULL }, /* Es */
                    267:        { NULL, NULL }, /* En */
1.26      kristaps  268:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  269:        { NULL, NULL }, /* %Q */
1.44      kristaps  270:        { termp_br_pre, NULL }, /* br */
1.45      kristaps  271:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  272: };
                    273:
1.2       kristaps  274: #ifdef __linux__
1.9       kristaps  275: extern size_t    strlcpy(char *, const char *, size_t);
                    276: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  277: #endif
                    278:
1.1       kristaps  279: static int       arg_hasattr(int, const struct mdoc_node *);
                    280: static int       arg_getattrs(const int *, int *, size_t,
                    281:                        const struct mdoc_node *);
                    282: static int       arg_getattr(int, const struct mdoc_node *);
                    283: static size_t    arg_offset(const struct mdoc_argv *);
                    284: static size_t    arg_width(const struct mdoc_argv *, int);
                    285: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  286: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  287:                        const struct mdoc_node *,
                    288:                        const struct mdoc_node *);
1.3       kristaps  289: static void      print_node(DECL_ARGS);
1.70      kristaps  290: static void      print_head(DECL_ARGS);
1.3       kristaps  291: static void      print_body(DECL_ARGS);
1.70      kristaps  292: static void      print_foot(DECL_ARGS);
1.1       kristaps  293:
                    294:
1.70      kristaps  295: void
                    296: mdoc_run(struct termp *p, const struct mdoc *mdoc)
1.1       kristaps  297: {
1.70      kristaps  298:        const struct mdoc_node  *n;
                    299:        const struct mdoc_meta  *m;
                    300:
                    301:        n = mdoc_node(mdoc);
                    302:        m = mdoc_meta(mdoc);
                    303:
                    304:        print_head(p, NULL, m, n);
                    305:        if (n->child)
                    306:                print_body(p, NULL, m, n->child);
                    307:        print_foot(p, NULL, m, n);
1.1       kristaps  308: }
                    309:
                    310:
1.3       kristaps  311: static void
1.1       kristaps  312: print_body(DECL_ARGS)
                    313: {
                    314:
1.3       kristaps  315:        print_node(p, pair, meta, node);
1.70      kristaps  316:        if (node->next)
                    317:                print_body(p, pair, meta, node->next);
1.1       kristaps  318: }
                    319:
                    320:
1.70      kristaps  321: /* ARGSUSED */
1.3       kristaps  322: static void
1.1       kristaps  323: print_node(DECL_ARGS)
                    324: {
1.70      kristaps  325:        int              chld, bold, under;
1.1       kristaps  326:        struct termpair  npair;
1.30      kristaps  327:        size_t           offset, rmargin;
1.1       kristaps  328:
1.70      kristaps  329:        chld = 1;
1.29      kristaps  330:        offset = p->offset;
1.30      kristaps  331:        rmargin = p->rmargin;
1.69      kristaps  332:        bold = p->bold;
                    333:        under = p->under;
1.29      kristaps  334:
1.70      kristaps  335:        bzero(&npair, sizeof(struct termpair));
1.1       kristaps  336:        npair.ppair = pair;
1.46      kristaps  337:
1.1       kristaps  338:        if (MDOC_TEXT != node->type) {
                    339:                if (termacts[node->tok].pre)
1.70      kristaps  340:                        chld = (*termacts[node->tok].pre)
                    341:                                (p, &npair, meta, node);
                    342:        } else
1.1       kristaps  343:                term_word(p, node->string);
                    344:
1.70      kristaps  345:        if (chld && node->child)
                    346:                print_body(p, &npair, meta, node->child);
1.1       kristaps  347:
1.70      kristaps  348:        /*
                    349:         * XXX - if bold/under were to span scopes, this wouldn't be
                    350:         * possible, but because decoration is always in-scope, we can
                    351:         * get away with this.
                    352:         */
1.1       kristaps  353:
1.69      kristaps  354:        p->bold = bold;
                    355:        p->under = under;
1.46      kristaps  356:
1.1       kristaps  357:        if (MDOC_TEXT != node->type)
                    358:                if (termacts[node->tok].post)
1.70      kristaps  359:                        (*termacts[node->tok].post)
                    360:                                (p, &npair, meta, node);
1.29      kristaps  361:
                    362:        p->offset = offset;
1.30      kristaps  363:        p->rmargin = rmargin;
1.1       kristaps  364: }
                    365:
                    366:
1.70      kristaps  367: /* ARGSUSED */
1.3       kristaps  368: static void
1.70      kristaps  369: print_foot(DECL_ARGS)
1.1       kristaps  370: {
                    371:        struct tm       *tm;
                    372:        char            *buf, *os;
                    373:
1.9       kristaps  374:        /*
                    375:         * Output the footer in new-groff style, that is, three columns
                    376:         * with the middle being the manual date and flanking columns
                    377:         * being the operating system:
                    378:         *
                    379:         * SYSTEM                  DATE                    SYSTEM
                    380:         */
                    381:
1.1       kristaps  382:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  383:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  384:        if (NULL == (os = malloc(p->rmargin)))
1.70      kristaps  385:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  386:
                    387:        tm = localtime(&meta->date);
                    388:
1.42      kristaps  389:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.70      kristaps  390:                err(EXIT_FAILURE, "strftime");
1.1       kristaps  391:
                    392:        (void)strlcpy(os, meta->os, p->rmargin);
                    393:
                    394:        term_vspace(p);
                    395:
1.9       kristaps  396:        p->offset = 0;
                    397:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  398:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    399:
                    400:        term_word(p, os);
                    401:        term_flushln(p);
                    402:
1.9       kristaps  403:        p->offset = p->rmargin;
                    404:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  405:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  406:
                    407:        term_word(p, buf);
                    408:        term_flushln(p);
                    409:
1.1       kristaps  410:        p->offset = p->rmargin;
                    411:        p->rmargin = p->maxrmargin;
                    412:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  413:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  414:
1.9       kristaps  415:        term_word(p, os);
1.1       kristaps  416:        term_flushln(p);
                    417:
1.9       kristaps  418:        p->offset = 0;
                    419:        p->rmargin = p->maxrmargin;
                    420:        p->flags = 0;
                    421:
1.1       kristaps  422:        free(buf);
                    423:        free(os);
                    424: }
                    425:
                    426:
1.75    ! kristaps  427: /* FIXME: put in utility library. */
1.70      kristaps  428: /* ARGSUSED */
1.3       kristaps  429: static void
1.70      kristaps  430: print_head(DECL_ARGS)
1.1       kristaps  431: {
                    432:        char            *buf, *title;
                    433:
                    434:        p->rmargin = p->maxrmargin;
                    435:        p->offset = 0;
                    436:
                    437:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  438:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  439:        if (NULL == (title = malloc(p->rmargin)))
1.70      kristaps  440:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  441:
                    442:        /*
                    443:         * The header is strange.  It has three components, which are
                    444:         * really two with the first duplicated.  It goes like this:
                    445:         *
                    446:         * IDENTIFIER              TITLE                   IDENTIFIER
                    447:         *
                    448:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    449:         * (if given, or "unknown" if not) followed by the manual page
                    450:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    451:         * string depending on the manual volume.  If not specified, it
                    452:         * switches on the manual section.
                    453:         */
                    454:
                    455:        assert(meta->vol);
                    456:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    457:
                    458:        if (meta->arch) {
                    459:                (void)strlcat(buf, " (", p->rmargin);
                    460:                (void)strlcat(buf, meta->arch, p->rmargin);
                    461:                (void)strlcat(buf, ")", p->rmargin);
                    462:        }
                    463:
1.70      kristaps  464:        snprintf(title, p->rmargin, "%s(%d)", meta->title, meta->msec);
1.1       kristaps  465:
                    466:        p->offset = 0;
1.8       kristaps  467:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  468:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    469:
                    470:        term_word(p, title);
                    471:        term_flushln(p);
                    472:
                    473:        p->offset = p->rmargin;
                    474:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  475:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  476:
                    477:        term_word(p, buf);
                    478:        term_flushln(p);
                    479:
                    480:        p->offset = p->rmargin;
                    481:        p->rmargin = p->maxrmargin;
                    482:        p->flags &= ~TERMP_NOBREAK;
                    483:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    484:
                    485:        term_word(p, title);
                    486:        term_flushln(p);
                    487:
1.9       kristaps  488:        p->offset = 0;
1.1       kristaps  489:        p->rmargin = p->maxrmargin;
                    490:        p->flags &= ~TERMP_NOSPACE;
                    491:
                    492:        free(title);
                    493:        free(buf);
                    494: }
                    495:
                    496:
1.72      kristaps  497: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  498: static size_t
                    499: arg_width(const struct mdoc_argv *arg, int pos)
                    500: {
                    501:        int              i, len;
1.40      kristaps  502:        const char      *p;
1.1       kristaps  503:
                    504:        assert(pos < (int)arg->sz && pos >= 0);
                    505:        assert(arg->value[pos]);
                    506:
1.40      kristaps  507:        p = arg->value[pos];
                    508:
                    509:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  510:                return(0);
                    511:
                    512:        for (i = 0; i < len - 1; i++)
1.40      kristaps  513:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  514:                        break;
                    515:
1.40      kristaps  516:        if (i == len - 1)
                    517:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    518:                        return((size_t)atoi(p) + 2);
1.1       kristaps  519:
1.40      kristaps  520:        return((size_t)len + 2);
1.1       kristaps  521: }
                    522:
                    523:
1.73      kristaps  524: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  525: static int
                    526: arg_listtype(const struct mdoc_node *n)
                    527: {
                    528:        int              i, len;
                    529:
                    530:        assert(MDOC_BLOCK == n->type);
                    531:
                    532:        len = (int)(n->args ? n->args->argc : 0);
                    533:
                    534:        for (i = 0; i < len; i++)
                    535:                switch (n->args->argv[i].arg) {
                    536:                case (MDOC_Bullet):
                    537:                        /* FALLTHROUGH */
                    538:                case (MDOC_Dash):
                    539:                        /* FALLTHROUGH */
                    540:                case (MDOC_Enum):
                    541:                        /* FALLTHROUGH */
                    542:                case (MDOC_Hyphen):
                    543:                        /* FALLTHROUGH */
                    544:                case (MDOC_Tag):
                    545:                        /* FALLTHROUGH */
                    546:                case (MDOC_Inset):
                    547:                        /* FALLTHROUGH */
                    548:                case (MDOC_Diag):
                    549:                        /* FALLTHROUGH */
                    550:                case (MDOC_Item):
                    551:                        /* FALLTHROUGH */
                    552:                case (MDOC_Column):
                    553:                        /* FALLTHROUGH */
1.38      kristaps  554:                case (MDOC_Hang):
                    555:                        /* FALLTHROUGH */
1.1       kristaps  556:                case (MDOC_Ohang):
                    557:                        return(n->args->argv[i].arg);
                    558:                default:
                    559:                        break;
                    560:                }
                    561:
1.38      kristaps  562:        return(-1);
1.1       kristaps  563: }
                    564:
                    565:
1.72      kristaps  566: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  567: static size_t
                    568: arg_offset(const struct mdoc_argv *arg)
                    569: {
1.40      kristaps  570:        int              len, i;
                    571:        const char      *p;
1.1       kristaps  572:
                    573:        assert(*arg->value);
1.40      kristaps  574:        p = *arg->value;
                    575:
                    576:        if (0 == strcmp(p, "left"))
1.19      kristaps  577:                return(0);
1.40      kristaps  578:        if (0 == strcmp(p, "indent"))
1.16      kristaps  579:                return(INDENT + 1);
1.40      kristaps  580:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  581:                return((INDENT + 1) * 2);
1.10      kristaps  582:
1.40      kristaps  583:        if (0 == (len = (int)strlen(p)))
                    584:                return(0);
                    585:
                    586:        for (i = 0; i < len - 1; i++)
                    587:                if ( ! isdigit((u_char)p[i]))
                    588:                        break;
                    589:
                    590:        if (i == len - 1)
                    591:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    592:                        return((size_t)atoi(p));
1.11      kristaps  593:
1.40      kristaps  594:        return((size_t)len);
1.1       kristaps  595: }
                    596:
                    597:
                    598: static int
                    599: arg_hasattr(int arg, const struct mdoc_node *n)
                    600: {
                    601:
                    602:        return(-1 != arg_getattr(arg, n));
                    603: }
                    604:
                    605:
                    606: static int
                    607: arg_getattr(int v, const struct mdoc_node *n)
                    608: {
                    609:        int              val;
                    610:
                    611:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    612: }
                    613:
                    614:
                    615: static int
                    616: arg_getattrs(const int *keys, int *vals,
                    617:                size_t sz, const struct mdoc_node *n)
                    618: {
                    619:        int              i, j, k;
                    620:
                    621:        if (NULL == n->args)
                    622:                return(0);
                    623:
                    624:        for (k = i = 0; i < (int)n->args->argc; i++)
                    625:                for (j = 0; j < (int)sz; j++)
                    626:                        if (n->args->argv[i].arg == keys[j]) {
                    627:                                vals[j] = i;
                    628:                                k++;
                    629:                        }
                    630:        return(k);
                    631: }
                    632:
                    633:
                    634: /* ARGSUSED */
1.54      kristaps  635: static void
1.1       kristaps  636: fmt_block_vspace(struct termp *p,
                    637:                const struct mdoc_node *bl,
                    638:                const struct mdoc_node *node)
                    639: {
                    640:        const struct mdoc_node *n;
                    641:
                    642:        term_newln(p);
                    643:
1.59      kristaps  644:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  645:                return;
1.63      kristaps  646:        assert(node);
1.54      kristaps  647:
                    648:        /*
                    649:         * Search through our prior nodes.  If we follow a `Ss' or `Sh',
                    650:         * then don't vspace.
                    651:         */
1.1       kristaps  652:
                    653:        for (n = node; n; n = n->parent) {
                    654:                if (MDOC_BLOCK != n->type)
                    655:                        continue;
                    656:                if (MDOC_Ss == n->tok)
1.54      kristaps  657:                        return;
1.1       kristaps  658:                if (MDOC_Sh == n->tok)
1.54      kristaps  659:                        return;
1.1       kristaps  660:                if (NULL == n->prev)
                    661:                        continue;
                    662:                break;
                    663:        }
                    664:
1.54      kristaps  665:        /*
1.55      kristaps  666:         * XXX - not documented: a `-column' does not ever assert vspace
                    667:         * within the list.
1.54      kristaps  668:         */
                    669:
1.59      kristaps  670:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.54      kristaps  671:                if (node->prev && MDOC_It == node->prev->tok)
                    672:                        return;
                    673:
1.55      kristaps  674:        /*
                    675:         * XXX - not documented: a `-diag' without a body does not
                    676:         * assert a vspace prior to the next element.
                    677:         */
1.59      kristaps  678:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.55      kristaps  679:                if (node->prev && MDOC_It == node->prev->tok) {
                    680:                        assert(node->prev->body);
                    681:                        if (NULL == node->prev->body->child)
                    682:                                return;
                    683:                }
                    684:
1.54      kristaps  685:        term_vspace(p);
1.1       kristaps  686: }
                    687:
                    688:
                    689: /* ARGSUSED */
                    690: static int
                    691: termp_dq_pre(DECL_ARGS)
                    692: {
                    693:
                    694:        if (MDOC_BODY != node->type)
                    695:                return(1);
                    696:
                    697:        term_word(p, "\\(lq");
                    698:        p->flags |= TERMP_NOSPACE;
                    699:        return(1);
                    700: }
                    701:
                    702:
                    703: /* ARGSUSED */
                    704: static void
                    705: termp_dq_post(DECL_ARGS)
                    706: {
                    707:
                    708:        if (MDOC_BODY != node->type)
                    709:                return;
                    710:
                    711:        p->flags |= TERMP_NOSPACE;
                    712:        term_word(p, "\\(rq");
                    713: }
                    714:
                    715:
                    716: /* ARGSUSED */
                    717: static int
                    718: termp_it_pre(DECL_ARGS)
                    719: {
                    720:        const struct mdoc_node *bl, *n;
                    721:        char                    buf[7];
1.39      kristaps  722:        int                     i, type, keys[3], vals[3];
1.1       kristaps  723:        size_t                  width, offset;
                    724:
1.54      kristaps  725:        if (MDOC_BLOCK == node->type) {
                    726:                fmt_block_vspace(p, node->parent->parent, node);
                    727:                return(1);
                    728:        }
1.1       kristaps  729:
                    730:        bl = node->parent->parent->parent;
                    731:
                    732:        /* Save parent attributes. */
                    733:
                    734:        pair->flag = p->flags;
                    735:
                    736:        /* Get list width and offset. */
                    737:
                    738:        keys[0] = MDOC_Width;
                    739:        keys[1] = MDOC_Offset;
                    740:        keys[2] = MDOC_Column;
                    741:
                    742:        vals[0] = vals[1] = vals[2] = -1;
                    743:
                    744:        width = offset = 0;
                    745:
                    746:        (void)arg_getattrs(keys, vals, 3, bl);
                    747:
                    748:        type = arg_listtype(bl);
1.38      kristaps  749:        assert(-1 != type);
1.1       kristaps  750:
                    751:        /* Calculate real width and offset. */
                    752:
                    753:        switch (type) {
                    754:        case (MDOC_Column):
                    755:                if (MDOC_BODY == node->type)
                    756:                        break;
1.58      kristaps  757:                /*
                    758:                 * Work around groff's column handling.  The offset is
                    759:                 * equal to the sum of all widths leading to the current
                    760:                 * column (plus the -offset value).  If this column
                    761:                 * exceeds the stated number of columns, the width is
                    762:                 * set as 0, else it's the stated column width (later
                    763:                 * the 0 will be adjusted to default 10 or, if in the
                    764:                 * last column case, set to stretch to the margin).
                    765:                 */
1.74      kristaps  766:                for (i = 0, n = node->prev; n &&
1.58      kristaps  767:                                i < (int)bl->args[vals[2]].argv->sz;
                    768:                                n = n->prev, i++)
1.1       kristaps  769:                        offset += arg_width
                    770:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  771:
                    772:                /* Whether exceeds maximum column. */
                    773:                if (i < (int)bl->args[vals[2]].argv->sz)
                    774:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    775:                else
                    776:                        width = 0;
                    777:
1.1       kristaps  778:                if (vals[1] >= 0)
                    779:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    780:                break;
                    781:        default:
                    782:                if (vals[0] >= 0)
                    783:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    784:                if (vals[1] >= 0)
1.19      kristaps  785:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  786:                break;
                    787:        }
                    788:
                    789:        /*
                    790:         * List-type can override the width in the case of fixed-head
                    791:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  792:         * offset.
1.1       kristaps  793:         */
                    794:
                    795:        switch (type) {
                    796:        case (MDOC_Bullet):
                    797:                /* FALLTHROUGH */
                    798:        case (MDOC_Dash):
                    799:                /* FALLTHROUGH */
                    800:        case (MDOC_Hyphen):
                    801:                if (width < 4)
                    802:                        width = 4;
                    803:                break;
1.17      kristaps  804:        case (MDOC_Enum):
                    805:                if (width < 5)
                    806:                        width = 5;
                    807:                break;
1.38      kristaps  808:        case (MDOC_Hang):
1.39      kristaps  809:                if (0 == width)
                    810:                        width = 8;
                    811:                break;
1.49      kristaps  812:        case (MDOC_Column):
                    813:                /* FALLTHROUGH */
1.1       kristaps  814:        case (MDOC_Tag):
                    815:                if (0 == width)
                    816:                        width = 10;
                    817:                break;
                    818:        default:
                    819:                break;
                    820:        }
                    821:
                    822:        /*
1.17      kristaps  823:         * Whitespace control.  Inset bodies need an initial space,
                    824:         * while diagonal bodies need two.
1.1       kristaps  825:         */
                    826:
1.51      kristaps  827:        p->flags |= TERMP_NOSPACE;
                    828:
1.1       kristaps  829:        switch (type) {
1.51      kristaps  830:        case (MDOC_Diag):
1.62      kristaps  831:                if (MDOC_BODY == node->type)
                    832:                        term_word(p, "\\ \\ ");
1.51      kristaps  833:                break;
1.1       kristaps  834:        case (MDOC_Inset):
                    835:                if (MDOC_BODY == node->type)
1.51      kristaps  836:                        term_word(p, "\\ ");
1.1       kristaps  837:                break;
                    838:        default:
                    839:                break;
                    840:        }
                    841:
1.51      kristaps  842:        p->flags |= TERMP_NOSPACE;
                    843:
1.1       kristaps  844:        switch (type) {
                    845:        case (MDOC_Diag):
                    846:                if (MDOC_HEAD == node->type)
1.69      kristaps  847:                        p->bold++;
1.1       kristaps  848:                break;
                    849:        default:
                    850:                break;
                    851:        }
                    852:
                    853:        /*
                    854:         * Pad and break control.  This is the tricker part.  Lists with
                    855:         * set right-margins for the head get TERMP_NOBREAK because, if
                    856:         * they overrun the margin, they wrap to the new margin.
                    857:         * Correspondingly, the body for these types don't left-pad, as
                    858:         * the head will pad out to to the right.
                    859:         */
                    860:
                    861:        switch (type) {
                    862:        case (MDOC_Bullet):
                    863:                /* FALLTHROUGH */
                    864:        case (MDOC_Dash):
                    865:                /* FALLTHROUGH */
                    866:        case (MDOC_Enum):
                    867:                /* FALLTHROUGH */
                    868:        case (MDOC_Hyphen):
1.39      kristaps  869:                if (MDOC_HEAD == node->type)
                    870:                        p->flags |= TERMP_NOBREAK;
                    871:                else
                    872:                        p->flags |= TERMP_NOLPAD;
                    873:                break;
1.38      kristaps  874:        case (MDOC_Hang):
1.39      kristaps  875:                if (MDOC_HEAD == node->type)
                    876:                        p->flags |= TERMP_NOBREAK;
                    877:                else
                    878:                        p->flags |= TERMP_NOLPAD;
                    879:
1.59      kristaps  880:                if (MDOC_HEAD != node->type)
                    881:                        break;
                    882:
                    883:                /*
                    884:                 * This is ugly.  If `-hang' is specified and the body
                    885:                 * is a `Bl' or `Bd', then we want basically to nullify
                    886:                 * the "overstep" effect in term_flushln() and treat
                    887:                 * this as a `-ohang' list instead.
                    888:                 */
                    889:                if (node->next->child &&
                    890:                                (MDOC_Bl == node->next->child->tok ||
                    891:                                 MDOC_Bd == node->next->child->tok)) {
                    892:                        p->flags &= ~TERMP_NOBREAK;
                    893:                        p->flags &= ~TERMP_NOLPAD;
                    894:                } else
1.39      kristaps  895:                        p->flags |= TERMP_HANG;
                    896:                break;
1.1       kristaps  897:        case (MDOC_Tag):
                    898:                if (MDOC_HEAD == node->type)
1.51      kristaps  899:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  900:                else
                    901:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  902:
1.39      kristaps  903:                if (MDOC_HEAD != node->type)
                    904:                        break;
                    905:                if (NULL == node->next || NULL == node->next->child)
                    906:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  907:                break;
                    908:        case (MDOC_Column):
                    909:                if (MDOC_HEAD == node->type) {
                    910:                        assert(node->next);
                    911:                        if (MDOC_BODY == node->next->type)
                    912:                                p->flags &= ~TERMP_NOBREAK;
                    913:                        else
                    914:                                p->flags |= TERMP_NOBREAK;
                    915:                        if (node->prev)
                    916:                                p->flags |= TERMP_NOLPAD;
                    917:                }
                    918:                break;
                    919:        case (MDOC_Diag):
                    920:                if (MDOC_HEAD == node->type)
                    921:                        p->flags |= TERMP_NOBREAK;
                    922:                break;
                    923:        default:
                    924:                break;
                    925:        }
                    926:
                    927:        /*
                    928:         * Margin control.  Set-head-width lists have their right
                    929:         * margins shortened.  The body for these lists has the offset
                    930:         * necessarily lengthened.  Everybody gets the offset.
                    931:         */
                    932:
                    933:        p->offset += offset;
                    934:
                    935:        switch (type) {
1.59      kristaps  936:        case (MDOC_Hang):
                    937:                /*
                    938:                 * Same stipulation as above, regarding `-hang'.  We
                    939:                 * don't want to recalculate rmargin and offsets when
                    940:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    941:                 */
                    942:                if (MDOC_HEAD == node->type && node->next->child &&
                    943:                                (MDOC_Bl == node->next->child->tok ||
                    944:                                 MDOC_Bd == node->next->child->tok))
                    945:                        break;
                    946:                /* FALLTHROUGH */
1.1       kristaps  947:        case (MDOC_Bullet):
                    948:                /* FALLTHROUGH */
                    949:        case (MDOC_Dash):
                    950:                /* FALLTHROUGH */
                    951:        case (MDOC_Enum):
                    952:                /* FALLTHROUGH */
                    953:        case (MDOC_Hyphen):
                    954:                /* FALLTHROUGH */
                    955:        case (MDOC_Tag):
1.49      kristaps  956:                assert(width);
1.1       kristaps  957:                if (MDOC_HEAD == node->type)
                    958:                        p->rmargin = p->offset + width;
                    959:                else
                    960:                        p->offset += width;
                    961:                break;
                    962:        case (MDOC_Column):
1.49      kristaps  963:                assert(width);
1.1       kristaps  964:                p->rmargin = p->offset + width;
1.50      kristaps  965:                /*
                    966:                 * XXX - this behaviour is not documented: the
                    967:                 * right-most column is filled to the right margin.
                    968:                 */
                    969:                if (MDOC_HEAD == node->type &&
                    970:                                MDOC_BODY == node->next->type)
                    971:                        p->rmargin = p->maxrmargin;
1.1       kristaps  972:                break;
                    973:        default:
                    974:                break;
                    975:        }
                    976:
                    977:        /*
                    978:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  979:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  980:         */
                    981:
                    982:        if (MDOC_HEAD == node->type)
                    983:                switch (type) {
                    984:                case (MDOC_Bullet):
1.69      kristaps  985:                        p->bold++;
1.1       kristaps  986:                        term_word(p, "\\[bu]");
1.69      kristaps  987:                        p->bold--;
1.1       kristaps  988:                        break;
                    989:                case (MDOC_Dash):
                    990:                        /* FALLTHROUGH */
                    991:                case (MDOC_Hyphen):
1.69      kristaps  992:                        p->bold++;
1.27      kristaps  993:                        term_word(p, "\\(hy");
1.69      kristaps  994:                        p->bold--;
1.1       kristaps  995:                        break;
                    996:                case (MDOC_Enum):
                    997:                        (pair->ppair->ppair->count)++;
                    998:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    999:                                        pair->ppair->ppair->count);
                   1000:                        term_word(p, buf);
                   1001:                        break;
                   1002:                default:
                   1003:                        break;
                   1004:                }
                   1005:
                   1006:        /*
                   1007:         * If we're not going to process our children, indicate so here.
                   1008:         */
                   1009:
                   1010:        switch (type) {
                   1011:        case (MDOC_Bullet):
                   1012:                /* FALLTHROUGH */
                   1013:        case (MDOC_Item):
                   1014:                /* FALLTHROUGH */
                   1015:        case (MDOC_Dash):
                   1016:                /* FALLTHROUGH */
                   1017:        case (MDOC_Hyphen):
                   1018:                /* FALLTHROUGH */
                   1019:        case (MDOC_Enum):
                   1020:                if (MDOC_HEAD == node->type)
                   1021:                        return(0);
                   1022:                break;
                   1023:        case (MDOC_Column):
                   1024:                if (MDOC_BODY == node->type)
                   1025:                        return(0);
                   1026:                break;
                   1027:        default:
                   1028:                break;
                   1029:        }
                   1030:
                   1031:        return(1);
                   1032: }
                   1033:
                   1034:
                   1035: /* ARGSUSED */
                   1036: static void
                   1037: termp_it_post(DECL_ARGS)
                   1038: {
                   1039:        int                type;
                   1040:
                   1041:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1042:                return;
                   1043:
                   1044:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1045:        assert(-1 != type);
1.1       kristaps 1046:
                   1047:        switch (type) {
                   1048:        case (MDOC_Item):
                   1049:                /* FALLTHROUGH */
1.53      kristaps 1050:        case (MDOC_Diag):
                   1051:                /* FALLTHROUGH */
1.1       kristaps 1052:        case (MDOC_Inset):
                   1053:                if (MDOC_BODY == node->type)
                   1054:                        term_flushln(p);
                   1055:                break;
                   1056:        case (MDOC_Column):
                   1057:                if (MDOC_HEAD == node->type)
                   1058:                        term_flushln(p);
                   1059:                break;
                   1060:        default:
                   1061:                term_flushln(p);
                   1062:                break;
                   1063:        }
                   1064:
                   1065:        p->flags = pair->flag;
                   1066: }
                   1067:
                   1068:
                   1069: /* ARGSUSED */
                   1070: static int
                   1071: termp_nm_pre(DECL_ARGS)
                   1072: {
                   1073:
                   1074:        if (SEC_SYNOPSIS == node->sec)
                   1075:                term_newln(p);
1.69      kristaps 1076:        p->bold++;
1.1       kristaps 1077:        if (NULL == node->child)
                   1078:                term_word(p, meta->name);
                   1079:        return(1);
                   1080: }
                   1081:
                   1082:
                   1083: /* ARGSUSED */
                   1084: static int
                   1085: termp_fl_pre(DECL_ARGS)
                   1086: {
                   1087:
1.69      kristaps 1088:        p->bold++;
1.1       kristaps 1089:        term_word(p, "\\-");
                   1090:        p->flags |= TERMP_NOSPACE;
                   1091:        return(1);
                   1092: }
                   1093:
                   1094:
                   1095: /* ARGSUSED */
                   1096: static int
1.61      kristaps 1097: termp_an_pre(DECL_ARGS)
                   1098: {
                   1099:
                   1100:        if (NULL == node->child)
                   1101:                return(1);
                   1102:
                   1103:        /*
                   1104:         * XXX: this is poorly documented.  If not in the AUTHORS
                   1105:         * section, `An -split' will cause newlines to occur before the
                   1106:         * author name.  If in the AUTHORS section, by default, the
                   1107:         * first `An' invocation is nosplit, then all subsequent ones,
                   1108:         * regardless of whether interspersed with other macros/text,
                   1109:         * are split.  -split, in this case, will override the condition
                   1110:         * of the implied first -nosplit.
                   1111:         */
                   1112:
                   1113:        if (node->sec == SEC_AUTHORS) {
                   1114:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1115:                        if (TERMP_SPLIT & p->flags)
                   1116:                                term_newln(p);
                   1117:                        return(1);
                   1118:                }
                   1119:                if (TERMP_NOSPLIT & p->flags)
                   1120:                        return(1);
                   1121:                term_newln(p);
                   1122:                return(1);
                   1123:        }
                   1124:
                   1125:        if (TERMP_SPLIT & p->flags)
                   1126:                term_newln(p);
                   1127:
                   1128:        return(1);
                   1129: }
                   1130:
                   1131:
                   1132: /* ARGSUSED */
                   1133: static void
                   1134: termp_an_post(DECL_ARGS)
                   1135: {
                   1136:
                   1137:        if (node->child) {
                   1138:                if (SEC_AUTHORS == node->sec)
                   1139:                        p->flags |= TERMP_ANPREC;
                   1140:                return;
                   1141:        }
                   1142:
                   1143:        if (arg_getattr(MDOC_Split, node) > -1) {
                   1144:                p->flags &= ~TERMP_NOSPLIT;
                   1145:                p->flags |= TERMP_SPLIT;
                   1146:        } else {
                   1147:                p->flags &= ~TERMP_SPLIT;
                   1148:                p->flags |= TERMP_NOSPLIT;
                   1149:        }
                   1150:
                   1151: }
                   1152:
                   1153:
                   1154: /* ARGSUSED */
                   1155: static int
1.1       kristaps 1156: termp_ns_pre(DECL_ARGS)
                   1157: {
                   1158:
                   1159:        p->flags |= TERMP_NOSPACE;
                   1160:        return(1);
                   1161: }
                   1162:
                   1163:
                   1164: /* ARGSUSED */
                   1165: static int
                   1166: termp_pp_pre(DECL_ARGS)
                   1167: {
                   1168:
                   1169:        term_vspace(p);
                   1170:        return(1);
                   1171: }
                   1172:
                   1173:
                   1174: /* ARGSUSED */
                   1175: static int
                   1176: termp_rs_pre(DECL_ARGS)
                   1177: {
                   1178:
                   1179:        if (MDOC_BLOCK == node->type && node->prev)
                   1180:                term_vspace(p);
                   1181:        return(1);
                   1182: }
                   1183:
                   1184:
                   1185: /* ARGSUSED */
                   1186: static int
                   1187: termp_rv_pre(DECL_ARGS)
                   1188: {
1.68      kristaps 1189:        const struct mdoc_node  *nn;
1.1       kristaps 1190:
                   1191:        term_newln(p);
                   1192:        term_word(p, "The");
                   1193:
1.68      kristaps 1194:        nn = node->child;
                   1195:        assert(nn);
                   1196:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1197:                p->bold++;
1.68      kristaps 1198:                term_word(p, nn->string);
1.69      kristaps 1199:                p->bold--;
1.68      kristaps 1200:                p->flags |= TERMP_NOSPACE;
                   1201:                if (nn->next && NULL == nn->next->next)
                   1202:                        term_word(p, "(), and");
                   1203:                else if (nn->next)
                   1204:                        term_word(p, "(),");
                   1205:                else
                   1206:                        term_word(p, "()");
                   1207:        }
                   1208:
                   1209:        if (node->child->next)
                   1210:                term_word(p, "functions return");
                   1211:        else
                   1212:                term_word(p, "function returns");
1.1       kristaps 1213:
1.68      kristaps 1214:                term_word(p, "the value 0 if successful; otherwise the value "
                   1215:                        "-1 is returned and the global variable");
1.1       kristaps 1216:
1.69      kristaps 1217:        p->under++;
1.1       kristaps 1218:        term_word(p, "errno");
1.69      kristaps 1219:        p->under--;
1.1       kristaps 1220:
                   1221:                term_word(p, "is set to indicate the error.");
                   1222:
1.68      kristaps 1223:        return(0);
1.1       kristaps 1224: }
                   1225:
                   1226:
                   1227: /* ARGSUSED */
                   1228: static int
                   1229: termp_ex_pre(DECL_ARGS)
                   1230: {
1.68      kristaps 1231:        const struct mdoc_node  *nn;
1.1       kristaps 1232:
1.68      kristaps 1233:        term_word(p, "The");
1.1       kristaps 1234:
1.68      kristaps 1235:        nn = node->child;
                   1236:        assert(nn);
                   1237:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1238:                p->bold++;
1.68      kristaps 1239:                term_word(p, nn->string);
1.69      kristaps 1240:                p->bold--;
1.68      kristaps 1241:                p->flags |= TERMP_NOSPACE;
                   1242:                if (nn->next && NULL == nn->next->next)
                   1243:                        term_word(p, ", and");
                   1244:                else if (nn->next)
                   1245:                        term_word(p, ",");
                   1246:                else
                   1247:                        p->flags &= ~TERMP_NOSPACE;
                   1248:        }
                   1249:
                   1250:        if (node->child->next)
                   1251:                term_word(p, "utilities exit");
                   1252:        else
                   1253:                term_word(p, "utility exits");
                   1254:
                   1255:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1256:
1.68      kristaps 1257:        return(0);
1.1       kristaps 1258: }
                   1259:
                   1260:
                   1261: /* ARGSUSED */
                   1262: static int
                   1263: termp_nd_pre(DECL_ARGS)
                   1264: {
1.25      kristaps 1265:
                   1266:        if (MDOC_BODY != node->type)
                   1267:                return(1);
1.30      kristaps 1268:
1.27      kristaps 1269: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1270:        term_word(p, "\\(en");
1.23      kristaps 1271: #else
                   1272:        term_word(p, "\\(em");
                   1273: #endif
1.1       kristaps 1274:        return(1);
                   1275: }
                   1276:
                   1277:
                   1278: /* ARGSUSED */
                   1279: static void
                   1280: termp_bl_post(DECL_ARGS)
                   1281: {
                   1282:
                   1283:        if (MDOC_BLOCK == node->type)
                   1284:                term_newln(p);
                   1285: }
                   1286:
                   1287:
                   1288: /* ARGSUSED */
                   1289: static void
                   1290: termp_op_post(DECL_ARGS)
                   1291: {
                   1292:
                   1293:        if (MDOC_BODY != node->type)
                   1294:                return;
                   1295:        p->flags |= TERMP_NOSPACE;
                   1296:        term_word(p, "\\(rB");
                   1297: }
                   1298:
                   1299:
                   1300: /* ARGSUSED */
                   1301: static int
                   1302: termp_xr_pre(DECL_ARGS)
                   1303: {
                   1304:        const struct mdoc_node *n;
                   1305:
1.11      kristaps 1306:        assert(node->child && MDOC_TEXT == node->child->type);
                   1307:        n = node->child;
                   1308:
1.1       kristaps 1309:        term_word(p, n->string);
                   1310:        if (NULL == (n = n->next))
                   1311:                return(0);
                   1312:        p->flags |= TERMP_NOSPACE;
                   1313:        term_word(p, "(");
                   1314:        p->flags |= TERMP_NOSPACE;
                   1315:        term_word(p, n->string);
                   1316:        p->flags |= TERMP_NOSPACE;
                   1317:        term_word(p, ")");
                   1318:        return(0);
                   1319: }
                   1320:
                   1321:
                   1322: /* ARGSUSED */
                   1323: static void
                   1324: termp_vt_post(DECL_ARGS)
                   1325: {
                   1326:
1.32      kristaps 1327:        if (node->sec != SEC_SYNOPSIS)
                   1328:                return;
                   1329:        if (node->next && MDOC_Vt == node->next->tok)
                   1330:                term_newln(p);
                   1331:        else if (node->next)
1.1       kristaps 1332:                term_vspace(p);
                   1333: }
                   1334:
                   1335:
                   1336: /* ARGSUSED */
                   1337: static int
1.69      kristaps 1338: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1339: {
                   1340:
1.69      kristaps 1341:        p->bold++;
1.1       kristaps 1342:        return(1);
                   1343: }
                   1344:
                   1345:
                   1346: /* ARGSUSED */
                   1347: static void
                   1348: termp_fd_post(DECL_ARGS)
                   1349: {
                   1350:
                   1351:        if (node->sec != SEC_SYNOPSIS)
                   1352:                return;
1.29      kristaps 1353:
1.1       kristaps 1354:        term_newln(p);
                   1355:        if (node->next && MDOC_Fd != node->next->tok)
                   1356:                term_vspace(p);
                   1357: }
                   1358:
                   1359:
                   1360: /* ARGSUSED */
                   1361: static int
                   1362: termp_sh_pre(DECL_ARGS)
                   1363: {
1.64      kristaps 1364:        /*
1.65      kristaps 1365:         * XXX: undocumented: using two `Sh' macros in sequence has no
                   1366:         * vspace between calls, only a newline.
1.64      kristaps 1367:         */
1.1       kristaps 1368:        switch (node->type) {
1.65      kristaps 1369:        case (MDOC_BLOCK):
                   1370:                if (node->prev && MDOC_Sh == node->prev->tok)
                   1371:                        if (NULL == node->prev->body->child)
                   1372:                                break;
                   1373:                term_vspace(p);
                   1374:                break;
1.1       kristaps 1375:        case (MDOC_HEAD):
1.69      kristaps 1376:                p->bold++;
1.1       kristaps 1377:                break;
                   1378:        case (MDOC_BODY):
                   1379:                p->offset = INDENT;
                   1380:                break;
                   1381:        default:
                   1382:                break;
                   1383:        }
                   1384:        return(1);
                   1385: }
                   1386:
                   1387:
                   1388: /* ARGSUSED */
                   1389: static void
                   1390: termp_sh_post(DECL_ARGS)
                   1391: {
                   1392:
                   1393:        switch (node->type) {
                   1394:        case (MDOC_HEAD):
                   1395:                term_newln(p);
                   1396:                break;
                   1397:        case (MDOC_BODY):
                   1398:                term_newln(p);
                   1399:                p->offset = 0;
                   1400:                break;
                   1401:        default:
                   1402:                break;
                   1403:        }
                   1404: }
                   1405:
                   1406:
                   1407: /* ARGSUSED */
                   1408: static int
                   1409: termp_op_pre(DECL_ARGS)
                   1410: {
                   1411:
                   1412:        switch (node->type) {
                   1413:        case (MDOC_BODY):
                   1414:                term_word(p, "\\(lB");
                   1415:                p->flags |= TERMP_NOSPACE;
                   1416:                break;
                   1417:        default:
                   1418:                break;
                   1419:        }
                   1420:        return(1);
                   1421: }
                   1422:
                   1423:
                   1424: /* ARGSUSED */
                   1425: static int
                   1426: termp_bt_pre(DECL_ARGS)
                   1427: {
                   1428:
                   1429:        term_word(p, "is currently in beta test.");
                   1430:        return(1);
                   1431: }
                   1432:
                   1433:
                   1434: /* ARGSUSED */
                   1435: static void
                   1436: termp_lb_post(DECL_ARGS)
                   1437: {
                   1438:
                   1439:        term_newln(p);
                   1440: }
                   1441:
                   1442:
                   1443: /* ARGSUSED */
                   1444: static int
                   1445: termp_ud_pre(DECL_ARGS)
                   1446: {
                   1447:
                   1448:        term_word(p, "currently under development.");
                   1449:        return(1);
                   1450: }
                   1451:
                   1452:
                   1453: /* ARGSUSED */
                   1454: static int
                   1455: termp_d1_pre(DECL_ARGS)
                   1456: {
                   1457:
1.4       kristaps 1458:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1459:                return(1);
                   1460:        term_newln(p);
1.29      kristaps 1461:        p->offset += (INDENT + 1);
1.1       kristaps 1462:        return(1);
                   1463: }
                   1464:
                   1465:
                   1466: /* ARGSUSED */
                   1467: static void
                   1468: termp_d1_post(DECL_ARGS)
                   1469: {
                   1470:
1.4       kristaps 1471:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1472:                return;
                   1473:        term_newln(p);
                   1474: }
                   1475:
                   1476:
                   1477: /* ARGSUSED */
                   1478: static int
                   1479: termp_aq_pre(DECL_ARGS)
                   1480: {
                   1481:
                   1482:        if (MDOC_BODY != node->type)
                   1483:                return(1);
                   1484:        term_word(p, "\\(la");
                   1485:        p->flags |= TERMP_NOSPACE;
                   1486:        return(1);
                   1487: }
                   1488:
                   1489:
                   1490: /* ARGSUSED */
                   1491: static void
                   1492: termp_aq_post(DECL_ARGS)
                   1493: {
                   1494:
                   1495:        if (MDOC_BODY != node->type)
                   1496:                return;
                   1497:        p->flags |= TERMP_NOSPACE;
                   1498:        term_word(p, "\\(ra");
                   1499: }
                   1500:
                   1501:
                   1502: /* ARGSUSED */
                   1503: static int
                   1504: termp_ft_pre(DECL_ARGS)
                   1505: {
                   1506:
                   1507:        if (SEC_SYNOPSIS == node->sec)
                   1508:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1509:                        term_vspace(p);
1.69      kristaps 1510:        p->under++;
1.1       kristaps 1511:        return(1);
                   1512: }
                   1513:
                   1514:
                   1515: /* ARGSUSED */
                   1516: static void
                   1517: termp_ft_post(DECL_ARGS)
                   1518: {
                   1519:
                   1520:        if (SEC_SYNOPSIS == node->sec)
                   1521:                term_newln(p);
                   1522: }
                   1523:
                   1524:
                   1525: /* ARGSUSED */
                   1526: static int
                   1527: termp_fn_pre(DECL_ARGS)
                   1528: {
                   1529:        const struct mdoc_node *n;
                   1530:
1.11      kristaps 1531:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1532:
                   1533:        /* FIXME: can be "type funcname" "type varname"... */
                   1534:
1.69      kristaps 1535:        p->bold++;
1.1       kristaps 1536:        term_word(p, node->child->string);
1.69      kristaps 1537:        p->bold--;
1.1       kristaps 1538:
                   1539:        p->flags |= TERMP_NOSPACE;
                   1540:        term_word(p, "(");
                   1541:
                   1542:        for (n = node->child->next; n; n = n->next) {
1.69      kristaps 1543:                p->under++;
1.1       kristaps 1544:                term_word(p, n->string);
1.69      kristaps 1545:                p->under--;
1.1       kristaps 1546:                if (n->next)
                   1547:                        term_word(p, ",");
                   1548:        }
                   1549:
                   1550:        term_word(p, ")");
                   1551:
                   1552:        if (SEC_SYNOPSIS == node->sec)
                   1553:                term_word(p, ";");
                   1554:
                   1555:        return(0);
                   1556: }
                   1557:
                   1558:
                   1559: /* ARGSUSED */
                   1560: static void
                   1561: termp_fn_post(DECL_ARGS)
                   1562: {
                   1563:
                   1564:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1565:                term_vspace(p);
                   1566: }
                   1567:
                   1568:
                   1569: /* ARGSUSED */
                   1570: static int
                   1571: termp_fa_pre(DECL_ARGS)
                   1572: {
                   1573:        struct mdoc_node *n;
                   1574:
                   1575:        if (node->parent->tok != MDOC_Fo) {
1.69      kristaps 1576:                p->under++;
1.1       kristaps 1577:                return(1);
                   1578:        }
                   1579:
                   1580:        for (n = node->child; n; n = n->next) {
1.69      kristaps 1581:                p->under++;
1.1       kristaps 1582:                term_word(p, n->string);
1.69      kristaps 1583:                p->under--;
1.1       kristaps 1584:                if (n->next)
                   1585:                        term_word(p, ",");
                   1586:        }
                   1587:
                   1588:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1589:                term_word(p, ",");
                   1590:
                   1591:        return(0);
                   1592: }
                   1593:
                   1594:
                   1595: /* ARGSUSED */
                   1596: static int
                   1597: termp_bd_pre(DECL_ARGS)
                   1598: {
1.60      kristaps 1599:        int              i, type;
1.1       kristaps 1600:
                   1601:        /*
                   1602:         * This is fairly tricky due primarily to crappy documentation.
                   1603:         * If -ragged or -filled are specified, the block does nothing
                   1604:         * but change the indentation.
                   1605:         *
                   1606:         * If, on the other hand, -unfilled or -literal are specified,
                   1607:         * then the game changes.  Text is printed exactly as entered in
                   1608:         * the display: if a macro line, a newline is appended to the
                   1609:         * line.  Blank lines are allowed.
                   1610:         */
                   1611:
1.54      kristaps 1612:        if (MDOC_BLOCK == node->type) {
                   1613:                fmt_block_vspace(p, node, node);
                   1614:                return(1);
                   1615:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1616:                return(1);
                   1617:
1.60      kristaps 1618:        assert(node->parent->args);
1.11      kristaps 1619:
1.60      kristaps 1620:        for (type = -1, i = 0; -1 == type &&
1.1       kristaps 1621:                        i < (int)node->parent->args->argc; i++) {
                   1622:                switch (node->parent->args->argv[i].arg) {
                   1623:                case (MDOC_Ragged):
                   1624:                        /* FALLTHROUGH */
                   1625:                case (MDOC_Filled):
                   1626:                        /* FALLTHROUGH */
                   1627:                case (MDOC_Unfilled):
                   1628:                        /* FALLTHROUGH */
                   1629:                case (MDOC_Literal):
                   1630:                        type = node->parent->args->argv[i].arg;
                   1631:                        break;
                   1632:                default:
                   1633:                        break;
                   1634:                }
                   1635:        }
1.60      kristaps 1636:
                   1637:        assert(type > -1);
1.1       kristaps 1638:
                   1639:        i = arg_getattr(MDOC_Offset, node->parent);
1.60      kristaps 1640:        if (-1 != i)
1.1       kristaps 1641:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1642:
                   1643:        switch (type) {
                   1644:        case (MDOC_Literal):
                   1645:                /* FALLTHROUGH */
                   1646:        case (MDOC_Unfilled):
                   1647:                break;
                   1648:        default:
                   1649:                return(1);
                   1650:        }
                   1651:
                   1652:        for (node = node->child; node; node = node->next) {
1.60      kristaps 1653:                p->flags |= TERMP_NOSPACE;
                   1654:                print_node(p, pair, meta, node);
                   1655:                if (node->next)
1.1       kristaps 1656:                        term_flushln(p);
                   1657:        }
                   1658:
                   1659:        return(0);
                   1660: }
                   1661:
                   1662:
                   1663: /* ARGSUSED */
                   1664: static void
                   1665: termp_bd_post(DECL_ARGS)
                   1666: {
                   1667:
                   1668:        if (MDOC_BODY != node->type)
                   1669:                return;
1.60      kristaps 1670:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1671:        term_flushln(p);
                   1672: }
                   1673:
                   1674:
                   1675: /* ARGSUSED */
                   1676: static int
                   1677: termp_qq_pre(DECL_ARGS)
                   1678: {
                   1679:
                   1680:        if (MDOC_BODY != node->type)
                   1681:                return(1);
                   1682:        term_word(p, "\"");
                   1683:        p->flags |= TERMP_NOSPACE;
                   1684:        return(1);
                   1685: }
                   1686:
                   1687:
                   1688: /* ARGSUSED */
                   1689: static void
                   1690: termp_qq_post(DECL_ARGS)
                   1691: {
                   1692:
                   1693:        if (MDOC_BODY != node->type)
                   1694:                return;
                   1695:        p->flags |= TERMP_NOSPACE;
                   1696:        term_word(p, "\"");
                   1697: }
                   1698:
                   1699:
                   1700: /* ARGSUSED */
                   1701: static void
                   1702: termp_bx_post(DECL_ARGS)
                   1703: {
                   1704:
                   1705:        if (node->child)
                   1706:                p->flags |= TERMP_NOSPACE;
                   1707:        term_word(p, "BSD");
                   1708: }
                   1709:
                   1710:
                   1711: /* ARGSUSED */
                   1712: static int
1.26      kristaps 1713: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1714: {
1.26      kristaps 1715:        const char      *pp;
1.1       kristaps 1716:
1.26      kristaps 1717:        pp = NULL;
                   1718:        switch (node->tok) {
                   1719:        case (MDOC_Bsx):
                   1720:                pp = "BSDI BSD/OS";
                   1721:                break;
                   1722:        case (MDOC_Dx):
                   1723:                pp = "DragonFlyBSD";
                   1724:                break;
                   1725:        case (MDOC_Fx):
                   1726:                pp = "FreeBSD";
                   1727:                break;
                   1728:        case (MDOC_Nx):
                   1729:                pp = "NetBSD";
                   1730:                break;
                   1731:        case (MDOC_Ox):
                   1732:                pp = "OpenBSD";
                   1733:                break;
                   1734:        case (MDOC_Ux):
                   1735:                pp = "UNIX";
                   1736:                break;
                   1737:        default:
                   1738:                break;
                   1739:        }
1.1       kristaps 1740:
1.26      kristaps 1741:        assert(pp);
                   1742:        term_word(p, pp);
1.1       kristaps 1743:        return(1);
                   1744: }
                   1745:
                   1746:
                   1747: /* ARGSUSED */
                   1748: static int
                   1749: termp_sq_pre(DECL_ARGS)
                   1750: {
                   1751:
                   1752:        if (MDOC_BODY != node->type)
                   1753:                return(1);
                   1754:        term_word(p, "\\(oq");
                   1755:        p->flags |= TERMP_NOSPACE;
                   1756:        return(1);
                   1757: }
                   1758:
                   1759:
                   1760: /* ARGSUSED */
                   1761: static void
                   1762: termp_sq_post(DECL_ARGS)
                   1763: {
                   1764:
                   1765:        if (MDOC_BODY != node->type)
                   1766:                return;
                   1767:        p->flags |= TERMP_NOSPACE;
                   1768:        term_word(p, "\\(aq");
                   1769: }
                   1770:
                   1771:
                   1772: /* ARGSUSED */
                   1773: static int
                   1774: termp_pf_pre(DECL_ARGS)
                   1775: {
                   1776:
                   1777:        p->flags |= TERMP_IGNDELIM;
                   1778:        return(1);
                   1779: }
                   1780:
                   1781:
                   1782: /* ARGSUSED */
                   1783: static void
                   1784: termp_pf_post(DECL_ARGS)
                   1785: {
                   1786:
                   1787:        p->flags &= ~TERMP_IGNDELIM;
                   1788:        p->flags |= TERMP_NOSPACE;
                   1789: }
                   1790:
                   1791:
                   1792: /* ARGSUSED */
                   1793: static int
                   1794: termp_ss_pre(DECL_ARGS)
                   1795: {
                   1796:
                   1797:        switch (node->type) {
                   1798:        case (MDOC_BLOCK):
                   1799:                term_newln(p);
                   1800:                if (node->prev)
                   1801:                        term_vspace(p);
                   1802:                break;
                   1803:        case (MDOC_HEAD):
1.69      kristaps 1804:                p->bold++;
1.5       kristaps 1805:                p->offset = HALFINDENT;
1.1       kristaps 1806:                break;
                   1807:        default:
                   1808:                break;
                   1809:        }
                   1810:
                   1811:        return(1);
                   1812: }
                   1813:
                   1814:
                   1815: /* ARGSUSED */
                   1816: static void
                   1817: termp_ss_post(DECL_ARGS)
                   1818: {
                   1819:
1.29      kristaps 1820:        if (MDOC_HEAD == node->type)
1.1       kristaps 1821:                term_newln(p);
                   1822: }
                   1823:
                   1824:
                   1825: /* ARGSUSED */
                   1826: static int
                   1827: termp_cd_pre(DECL_ARGS)
                   1828: {
                   1829:
1.69      kristaps 1830:        p->bold++;
1.1       kristaps 1831:        term_newln(p);
                   1832:        return(1);
                   1833: }
                   1834:
                   1835:
                   1836: /* ARGSUSED */
                   1837: static int
                   1838: termp_in_pre(DECL_ARGS)
                   1839: {
                   1840:
1.69      kristaps 1841:        p->bold++;
1.22      kristaps 1842:        if (SEC_SYNOPSIS == node->sec)
                   1843:                term_word(p, "#include");
                   1844:
1.1       kristaps 1845:        term_word(p, "<");
                   1846:        p->flags |= TERMP_NOSPACE;
                   1847:        return(1);
                   1848: }
                   1849:
                   1850:
                   1851: /* ARGSUSED */
                   1852: static void
                   1853: termp_in_post(DECL_ARGS)
                   1854: {
                   1855:
1.69      kristaps 1856:        p->bold++;
1.1       kristaps 1857:        term_word(p, ">");
1.69      kristaps 1858:        p->bold--;
1.1       kristaps 1859:
                   1860:        if (SEC_SYNOPSIS != node->sec)
                   1861:                return;
1.22      kristaps 1862:
                   1863:        term_newln(p);
                   1864:        /*
                   1865:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1866:         * the SYNOPSIS section, then it produces a single break after
                   1867:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1868:         * construction is rarely used, I think it's fine.
                   1869:         */
1.1       kristaps 1870:        if (node->next && MDOC_In != node->next->tok)
                   1871:                term_vspace(p);
                   1872: }
                   1873:
                   1874:
                   1875: /* ARGSUSED */
                   1876: static int
1.45      kristaps 1877: termp_sp_pre(DECL_ARGS)
                   1878: {
                   1879:        int              i, len;
                   1880:
                   1881:        if (NULL == node->child) {
                   1882:                term_vspace(p);
                   1883:                return(0);
                   1884:        }
                   1885:
                   1886:        len = atoi(node->child->string);
                   1887:        if (0 == len)
                   1888:                term_newln(p);
                   1889:        for (i = 0; i < len; i++)
                   1890:                term_vspace(p);
                   1891:
                   1892:        return(0);
                   1893: }
                   1894:
                   1895:
                   1896: /* ARGSUSED */
                   1897: static int
1.44      kristaps 1898: termp_br_pre(DECL_ARGS)
                   1899: {
                   1900:
                   1901:        term_newln(p);
                   1902:        return(1);
                   1903: }
                   1904:
                   1905:
                   1906: /* ARGSUSED */
                   1907: static int
1.1       kristaps 1908: termp_brq_pre(DECL_ARGS)
                   1909: {
                   1910:
                   1911:        if (MDOC_BODY != node->type)
                   1912:                return(1);
                   1913:        term_word(p, "\\(lC");
                   1914:        p->flags |= TERMP_NOSPACE;
                   1915:        return(1);
                   1916: }
                   1917:
                   1918:
                   1919: /* ARGSUSED */
                   1920: static void
                   1921: termp_brq_post(DECL_ARGS)
                   1922: {
                   1923:
                   1924:        if (MDOC_BODY != node->type)
                   1925:                return;
                   1926:        p->flags |= TERMP_NOSPACE;
                   1927:        term_word(p, "\\(rC");
                   1928: }
                   1929:
                   1930:
                   1931: /* ARGSUSED */
                   1932: static int
                   1933: termp_bq_pre(DECL_ARGS)
                   1934: {
                   1935:
                   1936:        if (MDOC_BODY != node->type)
                   1937:                return(1);
                   1938:        term_word(p, "\\(lB");
                   1939:        p->flags |= TERMP_NOSPACE;
                   1940:        return(1);
                   1941: }
                   1942:
                   1943:
                   1944: /* ARGSUSED */
                   1945: static void
                   1946: termp_bq_post(DECL_ARGS)
                   1947: {
                   1948:
                   1949:        if (MDOC_BODY != node->type)
                   1950:                return;
                   1951:        p->flags |= TERMP_NOSPACE;
                   1952:        term_word(p, "\\(rB");
                   1953: }
                   1954:
                   1955:
                   1956: /* ARGSUSED */
                   1957: static int
                   1958: termp_pq_pre(DECL_ARGS)
                   1959: {
                   1960:
                   1961:        if (MDOC_BODY != node->type)
                   1962:                return(1);
                   1963:        term_word(p, "\\&(");
                   1964:        p->flags |= TERMP_NOSPACE;
                   1965:        return(1);
                   1966: }
                   1967:
                   1968:
                   1969: /* ARGSUSED */
                   1970: static void
                   1971: termp_pq_post(DECL_ARGS)
                   1972: {
                   1973:
                   1974:        if (MDOC_BODY != node->type)
                   1975:                return;
                   1976:        term_word(p, ")");
                   1977: }
                   1978:
                   1979:
                   1980: /* ARGSUSED */
                   1981: static int
                   1982: termp_fo_pre(DECL_ARGS)
                   1983: {
                   1984:        const struct mdoc_node *n;
                   1985:
                   1986:        if (MDOC_BODY == node->type) {
1.33      kristaps 1987:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1988:                term_word(p, "(");
                   1989:                p->flags |= TERMP_NOSPACE;
                   1990:                return(1);
                   1991:        } else if (MDOC_HEAD != node->type)
                   1992:                return(1);
                   1993:
1.69      kristaps 1994:        p->bold++;
1.1       kristaps 1995:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1996:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1997:                term_word(p, n->string);
                   1998:        }
1.69      kristaps 1999:        p->bold--;
1.1       kristaps 2000:
                   2001:        return(0);
                   2002: }
                   2003:
                   2004:
                   2005: /* ARGSUSED */
                   2006: static void
                   2007: termp_fo_post(DECL_ARGS)
                   2008: {
                   2009:
                   2010:        if (MDOC_BODY != node->type)
                   2011:                return;
                   2012:        p->flags |= TERMP_NOSPACE;
                   2013:        term_word(p, ")");
                   2014:        p->flags |= TERMP_NOSPACE;
                   2015:        term_word(p, ";");
                   2016:        term_newln(p);
                   2017: }
                   2018:
                   2019:
                   2020: /* ARGSUSED */
                   2021: static int
                   2022: termp_bf_pre(DECL_ARGS)
                   2023: {
                   2024:        const struct mdoc_node  *n;
                   2025:
1.28      kristaps 2026:        if (MDOC_HEAD == node->type)
1.1       kristaps 2027:                return(0);
1.28      kristaps 2028:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 2029:                return(1);
                   2030:
                   2031:        if (NULL == (n = node->head->child)) {
                   2032:                if (arg_hasattr(MDOC_Emphasis, node))
1.69      kristaps 2033:                        p->under++;
1.1       kristaps 2034:                else if (arg_hasattr(MDOC_Symbolic, node))
1.69      kristaps 2035:                        p->bold++;
1.1       kristaps 2036:
                   2037:                return(1);
                   2038:        }
                   2039:
1.11      kristaps 2040:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2041:        if (0 == strcmp("Em", n->string))
1.69      kristaps 2042:                p->under++;
1.1       kristaps 2043:        else if (0 == strcmp("Sy", n->string))
1.69      kristaps 2044:                p->bold++;
1.1       kristaps 2045:
                   2046:        return(1);
                   2047: }
                   2048:
                   2049:
                   2050: /* ARGSUSED */
                   2051: static int
                   2052: termp_sm_pre(DECL_ARGS)
                   2053: {
                   2054:
1.11      kristaps 2055:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2056:        if (0 == strcmp("on", node->child->string)) {
                   2057:                p->flags &= ~TERMP_NONOSPACE;
                   2058:                p->flags &= ~TERMP_NOSPACE;
                   2059:        } else
                   2060:                p->flags |= TERMP_NONOSPACE;
                   2061:
                   2062:        return(0);
                   2063: }
                   2064:
                   2065:
                   2066: /* ARGSUSED */
                   2067: static int
                   2068: termp_ap_pre(DECL_ARGS)
                   2069: {
                   2070:
                   2071:        p->flags |= TERMP_NOSPACE;
                   2072:        term_word(p, "\\(aq");
                   2073:        p->flags |= TERMP_NOSPACE;
                   2074:        return(1);
                   2075: }
                   2076:
                   2077:
                   2078: /* ARGSUSED */
                   2079: static void
                   2080: termp____post(DECL_ARGS)
                   2081: {
                   2082:
                   2083:        p->flags |= TERMP_NOSPACE;
                   2084:        term_word(p, node->next ? "," : ".");
                   2085: }
                   2086:
                   2087:
                   2088: /* ARGSUSED */
                   2089: static int
                   2090: termp_lk_pre(DECL_ARGS)
                   2091: {
                   2092:        const struct mdoc_node *n;
                   2093:
1.11      kristaps 2094:        assert(node->child);
                   2095:        n = node->child;
1.1       kristaps 2096:
1.12      kristaps 2097:        if (NULL == n->next) {
1.69      kristaps 2098:                p->under++;
1.12      kristaps 2099:                return(1);
                   2100:        }
                   2101:
1.69      kristaps 2102:        p->under++;
1.1       kristaps 2103:        term_word(p, n->string);
                   2104:        p->flags |= TERMP_NOSPACE;
                   2105:        term_word(p, ":");
1.69      kristaps 2106:        p->under--;
1.1       kristaps 2107:
1.69      kristaps 2108:        p->bold++;
1.12      kristaps 2109:        for (n = n->next; n; n = n->next)
1.1       kristaps 2110:                term_word(p, n->string);
1.69      kristaps 2111:        p->bold--;
1.12      kristaps 2112:
1.1       kristaps 2113:        return(0);
                   2114: }
                   2115:
                   2116:
                   2117: /* ARGSUSED */
                   2118: static int
1.69      kristaps 2119: termp_under_pre(DECL_ARGS)
1.1       kristaps 2120: {
                   2121:
1.69      kristaps 2122:        p->under++;
1.1       kristaps 2123:        return(1);
                   2124: }

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