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Annotation of mandoc/mdoc_term.c, Revision 1.74

1.74    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.73 2009/09/20 17:24:57 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:
1.70      kristaps  427: /* ARGSUSED */
1.3       kristaps  428: static void
1.70      kristaps  429: print_head(DECL_ARGS)
1.1       kristaps  430: {
                    431:        char            *buf, *title;
                    432:
                    433:        p->rmargin = p->maxrmargin;
                    434:        p->offset = 0;
                    435:
                    436:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  437:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  438:        if (NULL == (title = malloc(p->rmargin)))
1.70      kristaps  439:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  440:
                    441:        /*
                    442:         * The header is strange.  It has three components, which are
                    443:         * really two with the first duplicated.  It goes like this:
                    444:         *
                    445:         * IDENTIFIER              TITLE                   IDENTIFIER
                    446:         *
                    447:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    448:         * (if given, or "unknown" if not) followed by the manual page
                    449:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    450:         * string depending on the manual volume.  If not specified, it
                    451:         * switches on the manual section.
                    452:         */
                    453:
                    454:        assert(meta->vol);
                    455:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    456:
                    457:        if (meta->arch) {
                    458:                (void)strlcat(buf, " (", p->rmargin);
                    459:                (void)strlcat(buf, meta->arch, p->rmargin);
                    460:                (void)strlcat(buf, ")", p->rmargin);
                    461:        }
                    462:
1.70      kristaps  463:        snprintf(title, p->rmargin, "%s(%d)", meta->title, meta->msec);
1.1       kristaps  464:
                    465:        p->offset = 0;
1.8       kristaps  466:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  467:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    468:
                    469:        term_word(p, title);
                    470:        term_flushln(p);
                    471:
                    472:        p->offset = p->rmargin;
                    473:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  474:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  475:
                    476:        term_word(p, buf);
                    477:        term_flushln(p);
                    478:
                    479:        p->offset = p->rmargin;
                    480:        p->rmargin = p->maxrmargin;
                    481:        p->flags &= ~TERMP_NOBREAK;
                    482:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    483:
                    484:        term_word(p, title);
                    485:        term_flushln(p);
                    486:
1.9       kristaps  487:        p->offset = 0;
1.1       kristaps  488:        p->rmargin = p->maxrmargin;
                    489:        p->flags &= ~TERMP_NOSPACE;
                    490:
                    491:        free(title);
                    492:        free(buf);
                    493: }
                    494:
                    495:
1.72      kristaps  496: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  497: static size_t
                    498: arg_width(const struct mdoc_argv *arg, int pos)
                    499: {
                    500:        int              i, len;
1.40      kristaps  501:        const char      *p;
1.1       kristaps  502:
                    503:        assert(pos < (int)arg->sz && pos >= 0);
                    504:        assert(arg->value[pos]);
                    505:
1.40      kristaps  506:        p = arg->value[pos];
                    507:
                    508:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  509:                return(0);
                    510:
                    511:        for (i = 0; i < len - 1; i++)
1.40      kristaps  512:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  513:                        break;
                    514:
1.40      kristaps  515:        if (i == len - 1)
                    516:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    517:                        return((size_t)atoi(p) + 2);
1.1       kristaps  518:
1.40      kristaps  519:        return((size_t)len + 2);
1.1       kristaps  520: }
                    521:
                    522:
1.73      kristaps  523: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  524: static int
                    525: arg_listtype(const struct mdoc_node *n)
                    526: {
                    527:        int              i, len;
                    528:
                    529:        assert(MDOC_BLOCK == n->type);
                    530:
                    531:        len = (int)(n->args ? n->args->argc : 0);
                    532:
                    533:        for (i = 0; i < len; i++)
                    534:                switch (n->args->argv[i].arg) {
                    535:                case (MDOC_Bullet):
                    536:                        /* FALLTHROUGH */
                    537:                case (MDOC_Dash):
                    538:                        /* FALLTHROUGH */
                    539:                case (MDOC_Enum):
                    540:                        /* FALLTHROUGH */
                    541:                case (MDOC_Hyphen):
                    542:                        /* FALLTHROUGH */
                    543:                case (MDOC_Tag):
                    544:                        /* FALLTHROUGH */
                    545:                case (MDOC_Inset):
                    546:                        /* FALLTHROUGH */
                    547:                case (MDOC_Diag):
                    548:                        /* FALLTHROUGH */
                    549:                case (MDOC_Item):
                    550:                        /* FALLTHROUGH */
                    551:                case (MDOC_Column):
                    552:                        /* FALLTHROUGH */
1.38      kristaps  553:                case (MDOC_Hang):
                    554:                        /* FALLTHROUGH */
1.1       kristaps  555:                case (MDOC_Ohang):
                    556:                        return(n->args->argv[i].arg);
                    557:                default:
                    558:                        break;
                    559:                }
                    560:
1.38      kristaps  561:        return(-1);
1.1       kristaps  562: }
                    563:
                    564:
1.72      kristaps  565: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  566: static size_t
                    567: arg_offset(const struct mdoc_argv *arg)
                    568: {
1.40      kristaps  569:        int              len, i;
                    570:        const char      *p;
1.1       kristaps  571:
                    572:        assert(*arg->value);
1.40      kristaps  573:        p = *arg->value;
                    574:
                    575:        if (0 == strcmp(p, "left"))
1.19      kristaps  576:                return(0);
1.40      kristaps  577:        if (0 == strcmp(p, "indent"))
1.16      kristaps  578:                return(INDENT + 1);
1.40      kristaps  579:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  580:                return((INDENT + 1) * 2);
1.10      kristaps  581:
1.40      kristaps  582:        if (0 == (len = (int)strlen(p)))
                    583:                return(0);
                    584:
                    585:        for (i = 0; i < len - 1; i++)
                    586:                if ( ! isdigit((u_char)p[i]))
                    587:                        break;
                    588:
                    589:        if (i == len - 1)
                    590:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    591:                        return((size_t)atoi(p));
1.11      kristaps  592:
1.40      kristaps  593:        return((size_t)len);
1.1       kristaps  594: }
                    595:
                    596:
                    597: static int
                    598: arg_hasattr(int arg, const struct mdoc_node *n)
                    599: {
                    600:
                    601:        return(-1 != arg_getattr(arg, n));
                    602: }
                    603:
                    604:
                    605: static int
                    606: arg_getattr(int v, const struct mdoc_node *n)
                    607: {
                    608:        int              val;
                    609:
                    610:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    611: }
                    612:
                    613:
                    614: static int
                    615: arg_getattrs(const int *keys, int *vals,
                    616:                size_t sz, const struct mdoc_node *n)
                    617: {
                    618:        int              i, j, k;
                    619:
                    620:        if (NULL == n->args)
                    621:                return(0);
                    622:
                    623:        for (k = i = 0; i < (int)n->args->argc; i++)
                    624:                for (j = 0; j < (int)sz; j++)
                    625:                        if (n->args->argv[i].arg == keys[j]) {
                    626:                                vals[j] = i;
                    627:                                k++;
                    628:                        }
                    629:        return(k);
                    630: }
                    631:
                    632:
                    633: /* ARGSUSED */
1.54      kristaps  634: static void
1.1       kristaps  635: fmt_block_vspace(struct termp *p,
                    636:                const struct mdoc_node *bl,
                    637:                const struct mdoc_node *node)
                    638: {
                    639:        const struct mdoc_node *n;
                    640:
                    641:        term_newln(p);
                    642:
1.59      kristaps  643:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  644:                return;
1.63      kristaps  645:        assert(node);
1.54      kristaps  646:
                    647:        /*
                    648:         * Search through our prior nodes.  If we follow a `Ss' or `Sh',
                    649:         * then don't vspace.
                    650:         */
1.1       kristaps  651:
                    652:        for (n = node; n; n = n->parent) {
                    653:                if (MDOC_BLOCK != n->type)
                    654:                        continue;
                    655:                if (MDOC_Ss == n->tok)
1.54      kristaps  656:                        return;
1.1       kristaps  657:                if (MDOC_Sh == n->tok)
1.54      kristaps  658:                        return;
1.1       kristaps  659:                if (NULL == n->prev)
                    660:                        continue;
                    661:                break;
                    662:        }
                    663:
1.54      kristaps  664:        /*
1.55      kristaps  665:         * XXX - not documented: a `-column' does not ever assert vspace
                    666:         * within the list.
1.54      kristaps  667:         */
                    668:
1.59      kristaps  669:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.54      kristaps  670:                if (node->prev && MDOC_It == node->prev->tok)
                    671:                        return;
                    672:
1.55      kristaps  673:        /*
                    674:         * XXX - not documented: a `-diag' without a body does not
                    675:         * assert a vspace prior to the next element.
                    676:         */
1.59      kristaps  677:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.55      kristaps  678:                if (node->prev && MDOC_It == node->prev->tok) {
                    679:                        assert(node->prev->body);
                    680:                        if (NULL == node->prev->body->child)
                    681:                                return;
                    682:                }
                    683:
1.54      kristaps  684:        term_vspace(p);
1.1       kristaps  685: }
                    686:
                    687:
                    688: /* ARGSUSED */
                    689: static int
                    690: termp_dq_pre(DECL_ARGS)
                    691: {
                    692:
                    693:        if (MDOC_BODY != node->type)
                    694:                return(1);
                    695:
                    696:        term_word(p, "\\(lq");
                    697:        p->flags |= TERMP_NOSPACE;
                    698:        return(1);
                    699: }
                    700:
                    701:
                    702: /* ARGSUSED */
                    703: static void
                    704: termp_dq_post(DECL_ARGS)
                    705: {
                    706:
                    707:        if (MDOC_BODY != node->type)
                    708:                return;
                    709:
                    710:        p->flags |= TERMP_NOSPACE;
                    711:        term_word(p, "\\(rq");
                    712: }
                    713:
                    714:
                    715: /* ARGSUSED */
                    716: static int
                    717: termp_it_pre(DECL_ARGS)
                    718: {
                    719:        const struct mdoc_node *bl, *n;
                    720:        char                    buf[7];
1.39      kristaps  721:        int                     i, type, keys[3], vals[3];
1.1       kristaps  722:        size_t                  width, offset;
                    723:
1.54      kristaps  724:        if (MDOC_BLOCK == node->type) {
                    725:                fmt_block_vspace(p, node->parent->parent, node);
                    726:                return(1);
                    727:        }
1.1       kristaps  728:
                    729:        bl = node->parent->parent->parent;
                    730:
                    731:        /* Save parent attributes. */
                    732:
                    733:        pair->flag = p->flags;
                    734:
                    735:        /* Get list width and offset. */
                    736:
                    737:        keys[0] = MDOC_Width;
                    738:        keys[1] = MDOC_Offset;
                    739:        keys[2] = MDOC_Column;
                    740:
                    741:        vals[0] = vals[1] = vals[2] = -1;
                    742:
                    743:        width = offset = 0;
                    744:
                    745:        (void)arg_getattrs(keys, vals, 3, bl);
                    746:
                    747:        type = arg_listtype(bl);
1.38      kristaps  748:        assert(-1 != type);
1.1       kristaps  749:
                    750:        /* Calculate real width and offset. */
                    751:
                    752:        switch (type) {
                    753:        case (MDOC_Column):
                    754:                if (MDOC_BODY == node->type)
                    755:                        break;
1.58      kristaps  756:                /*
                    757:                 * Work around groff's column handling.  The offset is
                    758:                 * equal to the sum of all widths leading to the current
                    759:                 * column (plus the -offset value).  If this column
                    760:                 * exceeds the stated number of columns, the width is
                    761:                 * set as 0, else it's the stated column width (later
                    762:                 * the 0 will be adjusted to default 10 or, if in the
                    763:                 * last column case, set to stretch to the margin).
                    764:                 */
1.74    ! kristaps  765:                for (i = 0, n = node->prev; n &&
1.58      kristaps  766:                                i < (int)bl->args[vals[2]].argv->sz;
                    767:                                n = n->prev, i++)
1.1       kristaps  768:                        offset += arg_width
                    769:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  770:
                    771:                /* Whether exceeds maximum column. */
                    772:                if (i < (int)bl->args[vals[2]].argv->sz)
                    773:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    774:                else
                    775:                        width = 0;
                    776:
1.1       kristaps  777:                if (vals[1] >= 0)
                    778:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    779:                break;
                    780:        default:
                    781:                if (vals[0] >= 0)
                    782:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    783:                if (vals[1] >= 0)
1.19      kristaps  784:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  785:                break;
                    786:        }
                    787:
                    788:        /*
                    789:         * List-type can override the width in the case of fixed-head
                    790:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  791:         * offset.
1.1       kristaps  792:         */
                    793:
                    794:        switch (type) {
                    795:        case (MDOC_Bullet):
                    796:                /* FALLTHROUGH */
                    797:        case (MDOC_Dash):
                    798:                /* FALLTHROUGH */
                    799:        case (MDOC_Hyphen):
                    800:                if (width < 4)
                    801:                        width = 4;
                    802:                break;
1.17      kristaps  803:        case (MDOC_Enum):
                    804:                if (width < 5)
                    805:                        width = 5;
                    806:                break;
1.38      kristaps  807:        case (MDOC_Hang):
1.39      kristaps  808:                if (0 == width)
                    809:                        width = 8;
                    810:                break;
1.49      kristaps  811:        case (MDOC_Column):
                    812:                /* FALLTHROUGH */
1.1       kristaps  813:        case (MDOC_Tag):
                    814:                if (0 == width)
                    815:                        width = 10;
                    816:                break;
                    817:        default:
                    818:                break;
                    819:        }
                    820:
                    821:        /*
1.17      kristaps  822:         * Whitespace control.  Inset bodies need an initial space,
                    823:         * while diagonal bodies need two.
1.1       kristaps  824:         */
                    825:
1.51      kristaps  826:        p->flags |= TERMP_NOSPACE;
                    827:
1.1       kristaps  828:        switch (type) {
1.51      kristaps  829:        case (MDOC_Diag):
1.62      kristaps  830:                if (MDOC_BODY == node->type)
                    831:                        term_word(p, "\\ \\ ");
1.51      kristaps  832:                break;
1.1       kristaps  833:        case (MDOC_Inset):
                    834:                if (MDOC_BODY == node->type)
1.51      kristaps  835:                        term_word(p, "\\ ");
1.1       kristaps  836:                break;
                    837:        default:
                    838:                break;
                    839:        }
                    840:
1.51      kristaps  841:        p->flags |= TERMP_NOSPACE;
                    842:
1.1       kristaps  843:        switch (type) {
                    844:        case (MDOC_Diag):
                    845:                if (MDOC_HEAD == node->type)
1.69      kristaps  846:                        p->bold++;
1.1       kristaps  847:                break;
                    848:        default:
                    849:                break;
                    850:        }
                    851:
                    852:        /*
                    853:         * Pad and break control.  This is the tricker part.  Lists with
                    854:         * set right-margins for the head get TERMP_NOBREAK because, if
                    855:         * they overrun the margin, they wrap to the new margin.
                    856:         * Correspondingly, the body for these types don't left-pad, as
                    857:         * the head will pad out to to the right.
                    858:         */
                    859:
                    860:        switch (type) {
                    861:        case (MDOC_Bullet):
                    862:                /* FALLTHROUGH */
                    863:        case (MDOC_Dash):
                    864:                /* FALLTHROUGH */
                    865:        case (MDOC_Enum):
                    866:                /* FALLTHROUGH */
                    867:        case (MDOC_Hyphen):
1.39      kristaps  868:                if (MDOC_HEAD == node->type)
                    869:                        p->flags |= TERMP_NOBREAK;
                    870:                else
                    871:                        p->flags |= TERMP_NOLPAD;
                    872:                break;
1.38      kristaps  873:        case (MDOC_Hang):
1.39      kristaps  874:                if (MDOC_HEAD == node->type)
                    875:                        p->flags |= TERMP_NOBREAK;
                    876:                else
                    877:                        p->flags |= TERMP_NOLPAD;
                    878:
1.59      kristaps  879:                if (MDOC_HEAD != node->type)
                    880:                        break;
                    881:
                    882:                /*
                    883:                 * This is ugly.  If `-hang' is specified and the body
                    884:                 * is a `Bl' or `Bd', then we want basically to nullify
                    885:                 * the "overstep" effect in term_flushln() and treat
                    886:                 * this as a `-ohang' list instead.
                    887:                 */
                    888:                if (node->next->child &&
                    889:                                (MDOC_Bl == node->next->child->tok ||
                    890:                                 MDOC_Bd == node->next->child->tok)) {
                    891:                        p->flags &= ~TERMP_NOBREAK;
                    892:                        p->flags &= ~TERMP_NOLPAD;
                    893:                } else
1.39      kristaps  894:                        p->flags |= TERMP_HANG;
                    895:                break;
1.1       kristaps  896:        case (MDOC_Tag):
                    897:                if (MDOC_HEAD == node->type)
1.51      kristaps  898:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  899:                else
                    900:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  901:
1.39      kristaps  902:                if (MDOC_HEAD != node->type)
                    903:                        break;
                    904:                if (NULL == node->next || NULL == node->next->child)
                    905:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  906:                break;
                    907:        case (MDOC_Column):
                    908:                if (MDOC_HEAD == node->type) {
                    909:                        assert(node->next);
                    910:                        if (MDOC_BODY == node->next->type)
                    911:                                p->flags &= ~TERMP_NOBREAK;
                    912:                        else
                    913:                                p->flags |= TERMP_NOBREAK;
                    914:                        if (node->prev)
                    915:                                p->flags |= TERMP_NOLPAD;
                    916:                }
                    917:                break;
                    918:        case (MDOC_Diag):
                    919:                if (MDOC_HEAD == node->type)
                    920:                        p->flags |= TERMP_NOBREAK;
                    921:                break;
                    922:        default:
                    923:                break;
                    924:        }
                    925:
                    926:        /*
                    927:         * Margin control.  Set-head-width lists have their right
                    928:         * margins shortened.  The body for these lists has the offset
                    929:         * necessarily lengthened.  Everybody gets the offset.
                    930:         */
                    931:
                    932:        p->offset += offset;
                    933:
                    934:        switch (type) {
1.59      kristaps  935:        case (MDOC_Hang):
                    936:                /*
                    937:                 * Same stipulation as above, regarding `-hang'.  We
                    938:                 * don't want to recalculate rmargin and offsets when
                    939:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    940:                 */
                    941:                if (MDOC_HEAD == node->type && node->next->child &&
                    942:                                (MDOC_Bl == node->next->child->tok ||
                    943:                                 MDOC_Bd == node->next->child->tok))
                    944:                        break;
                    945:                /* FALLTHROUGH */
1.1       kristaps  946:        case (MDOC_Bullet):
                    947:                /* FALLTHROUGH */
                    948:        case (MDOC_Dash):
                    949:                /* FALLTHROUGH */
                    950:        case (MDOC_Enum):
                    951:                /* FALLTHROUGH */
                    952:        case (MDOC_Hyphen):
                    953:                /* FALLTHROUGH */
                    954:        case (MDOC_Tag):
1.49      kristaps  955:                assert(width);
1.1       kristaps  956:                if (MDOC_HEAD == node->type)
                    957:                        p->rmargin = p->offset + width;
                    958:                else
                    959:                        p->offset += width;
                    960:                break;
                    961:        case (MDOC_Column):
1.49      kristaps  962:                assert(width);
1.1       kristaps  963:                p->rmargin = p->offset + width;
1.50      kristaps  964:                /*
                    965:                 * XXX - this behaviour is not documented: the
                    966:                 * right-most column is filled to the right margin.
                    967:                 */
                    968:                if (MDOC_HEAD == node->type &&
                    969:                                MDOC_BODY == node->next->type)
                    970:                        p->rmargin = p->maxrmargin;
1.1       kristaps  971:                break;
                    972:        default:
                    973:                break;
                    974:        }
                    975:
                    976:        /*
                    977:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  978:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  979:         */
                    980:
                    981:        if (MDOC_HEAD == node->type)
                    982:                switch (type) {
                    983:                case (MDOC_Bullet):
1.69      kristaps  984:                        p->bold++;
1.1       kristaps  985:                        term_word(p, "\\[bu]");
1.69      kristaps  986:                        p->bold--;
1.1       kristaps  987:                        break;
                    988:                case (MDOC_Dash):
                    989:                        /* FALLTHROUGH */
                    990:                case (MDOC_Hyphen):
1.69      kristaps  991:                        p->bold++;
1.27      kristaps  992:                        term_word(p, "\\(hy");
1.69      kristaps  993:                        p->bold--;
1.1       kristaps  994:                        break;
                    995:                case (MDOC_Enum):
                    996:                        (pair->ppair->ppair->count)++;
                    997:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    998:                                        pair->ppair->ppair->count);
                    999:                        term_word(p, buf);
                   1000:                        break;
                   1001:                default:
                   1002:                        break;
                   1003:                }
                   1004:
                   1005:        /*
                   1006:         * If we're not going to process our children, indicate so here.
                   1007:         */
                   1008:
                   1009:        switch (type) {
                   1010:        case (MDOC_Bullet):
                   1011:                /* FALLTHROUGH */
                   1012:        case (MDOC_Item):
                   1013:                /* FALLTHROUGH */
                   1014:        case (MDOC_Dash):
                   1015:                /* FALLTHROUGH */
                   1016:        case (MDOC_Hyphen):
                   1017:                /* FALLTHROUGH */
                   1018:        case (MDOC_Enum):
                   1019:                if (MDOC_HEAD == node->type)
                   1020:                        return(0);
                   1021:                break;
                   1022:        case (MDOC_Column):
                   1023:                if (MDOC_BODY == node->type)
                   1024:                        return(0);
                   1025:                break;
                   1026:        default:
                   1027:                break;
                   1028:        }
                   1029:
                   1030:        return(1);
                   1031: }
                   1032:
                   1033:
                   1034: /* ARGSUSED */
                   1035: static void
                   1036: termp_it_post(DECL_ARGS)
                   1037: {
                   1038:        int                type;
                   1039:
                   1040:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1041:                return;
                   1042:
                   1043:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1044:        assert(-1 != type);
1.1       kristaps 1045:
                   1046:        switch (type) {
                   1047:        case (MDOC_Item):
                   1048:                /* FALLTHROUGH */
1.53      kristaps 1049:        case (MDOC_Diag):
                   1050:                /* FALLTHROUGH */
1.1       kristaps 1051:        case (MDOC_Inset):
                   1052:                if (MDOC_BODY == node->type)
                   1053:                        term_flushln(p);
                   1054:                break;
                   1055:        case (MDOC_Column):
                   1056:                if (MDOC_HEAD == node->type)
                   1057:                        term_flushln(p);
                   1058:                break;
                   1059:        default:
                   1060:                term_flushln(p);
                   1061:                break;
                   1062:        }
                   1063:
                   1064:        p->flags = pair->flag;
                   1065: }
                   1066:
                   1067:
                   1068: /* ARGSUSED */
                   1069: static int
                   1070: termp_nm_pre(DECL_ARGS)
                   1071: {
                   1072:
                   1073:        if (SEC_SYNOPSIS == node->sec)
                   1074:                term_newln(p);
1.69      kristaps 1075:        p->bold++;
1.1       kristaps 1076:        if (NULL == node->child)
                   1077:                term_word(p, meta->name);
                   1078:        return(1);
                   1079: }
                   1080:
                   1081:
                   1082: /* ARGSUSED */
                   1083: static int
                   1084: termp_fl_pre(DECL_ARGS)
                   1085: {
                   1086:
1.69      kristaps 1087:        p->bold++;
1.1       kristaps 1088:        term_word(p, "\\-");
                   1089:        p->flags |= TERMP_NOSPACE;
                   1090:        return(1);
                   1091: }
                   1092:
                   1093:
                   1094: /* ARGSUSED */
                   1095: static int
1.61      kristaps 1096: termp_an_pre(DECL_ARGS)
                   1097: {
                   1098:
                   1099:        if (NULL == node->child)
                   1100:                return(1);
                   1101:
                   1102:        /*
                   1103:         * XXX: this is poorly documented.  If not in the AUTHORS
                   1104:         * section, `An -split' will cause newlines to occur before the
                   1105:         * author name.  If in the AUTHORS section, by default, the
                   1106:         * first `An' invocation is nosplit, then all subsequent ones,
                   1107:         * regardless of whether interspersed with other macros/text,
                   1108:         * are split.  -split, in this case, will override the condition
                   1109:         * of the implied first -nosplit.
                   1110:         */
                   1111:
                   1112:        if (node->sec == SEC_AUTHORS) {
                   1113:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1114:                        if (TERMP_SPLIT & p->flags)
                   1115:                                term_newln(p);
                   1116:                        return(1);
                   1117:                }
                   1118:                if (TERMP_NOSPLIT & p->flags)
                   1119:                        return(1);
                   1120:                term_newln(p);
                   1121:                return(1);
                   1122:        }
                   1123:
                   1124:        if (TERMP_SPLIT & p->flags)
                   1125:                term_newln(p);
                   1126:
                   1127:        return(1);
                   1128: }
                   1129:
                   1130:
                   1131: /* ARGSUSED */
                   1132: static void
                   1133: termp_an_post(DECL_ARGS)
                   1134: {
                   1135:
                   1136:        if (node->child) {
                   1137:                if (SEC_AUTHORS == node->sec)
                   1138:                        p->flags |= TERMP_ANPREC;
                   1139:                return;
                   1140:        }
                   1141:
                   1142:        if (arg_getattr(MDOC_Split, node) > -1) {
                   1143:                p->flags &= ~TERMP_NOSPLIT;
                   1144:                p->flags |= TERMP_SPLIT;
                   1145:        } else {
                   1146:                p->flags &= ~TERMP_SPLIT;
                   1147:                p->flags |= TERMP_NOSPLIT;
                   1148:        }
                   1149:
                   1150: }
                   1151:
                   1152:
                   1153: /* ARGSUSED */
                   1154: static int
1.1       kristaps 1155: termp_ns_pre(DECL_ARGS)
                   1156: {
                   1157:
                   1158:        p->flags |= TERMP_NOSPACE;
                   1159:        return(1);
                   1160: }
                   1161:
                   1162:
                   1163: /* ARGSUSED */
                   1164: static int
                   1165: termp_pp_pre(DECL_ARGS)
                   1166: {
                   1167:
                   1168:        term_vspace(p);
                   1169:        return(1);
                   1170: }
                   1171:
                   1172:
                   1173: /* ARGSUSED */
                   1174: static int
                   1175: termp_rs_pre(DECL_ARGS)
                   1176: {
                   1177:
                   1178:        if (MDOC_BLOCK == node->type && node->prev)
                   1179:                term_vspace(p);
                   1180:        return(1);
                   1181: }
                   1182:
                   1183:
                   1184: /* ARGSUSED */
                   1185: static int
                   1186: termp_rv_pre(DECL_ARGS)
                   1187: {
1.68      kristaps 1188:        const struct mdoc_node  *nn;
1.1       kristaps 1189:
                   1190:        term_newln(p);
                   1191:        term_word(p, "The");
                   1192:
1.68      kristaps 1193:        nn = node->child;
                   1194:        assert(nn);
                   1195:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1196:                p->bold++;
1.68      kristaps 1197:                term_word(p, nn->string);
1.69      kristaps 1198:                p->bold--;
1.68      kristaps 1199:                p->flags |= TERMP_NOSPACE;
                   1200:                if (nn->next && NULL == nn->next->next)
                   1201:                        term_word(p, "(), and");
                   1202:                else if (nn->next)
                   1203:                        term_word(p, "(),");
                   1204:                else
                   1205:                        term_word(p, "()");
                   1206:        }
                   1207:
                   1208:        if (node->child->next)
                   1209:                term_word(p, "functions return");
                   1210:        else
                   1211:                term_word(p, "function returns");
1.1       kristaps 1212:
1.68      kristaps 1213:                term_word(p, "the value 0 if successful; otherwise the value "
                   1214:                        "-1 is returned and the global variable");
1.1       kristaps 1215:
1.69      kristaps 1216:        p->under++;
1.1       kristaps 1217:        term_word(p, "errno");
1.69      kristaps 1218:        p->under--;
1.1       kristaps 1219:
                   1220:                term_word(p, "is set to indicate the error.");
                   1221:
1.68      kristaps 1222:        return(0);
1.1       kristaps 1223: }
                   1224:
                   1225:
                   1226: /* ARGSUSED */
                   1227: static int
                   1228: termp_ex_pre(DECL_ARGS)
                   1229: {
1.68      kristaps 1230:        const struct mdoc_node  *nn;
1.1       kristaps 1231:
1.68      kristaps 1232:        term_word(p, "The");
1.1       kristaps 1233:
1.68      kristaps 1234:        nn = node->child;
                   1235:        assert(nn);
                   1236:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1237:                p->bold++;
1.68      kristaps 1238:                term_word(p, nn->string);
1.69      kristaps 1239:                p->bold--;
1.68      kristaps 1240:                p->flags |= TERMP_NOSPACE;
                   1241:                if (nn->next && NULL == nn->next->next)
                   1242:                        term_word(p, ", and");
                   1243:                else if (nn->next)
                   1244:                        term_word(p, ",");
                   1245:                else
                   1246:                        p->flags &= ~TERMP_NOSPACE;
                   1247:        }
                   1248:
                   1249:        if (node->child->next)
                   1250:                term_word(p, "utilities exit");
                   1251:        else
                   1252:                term_word(p, "utility exits");
                   1253:
                   1254:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1255:
1.68      kristaps 1256:        return(0);
1.1       kristaps 1257: }
                   1258:
                   1259:
                   1260: /* ARGSUSED */
                   1261: static int
                   1262: termp_nd_pre(DECL_ARGS)
                   1263: {
1.25      kristaps 1264:
                   1265:        if (MDOC_BODY != node->type)
                   1266:                return(1);
1.30      kristaps 1267:
1.27      kristaps 1268: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1269:        term_word(p, "\\(en");
1.23      kristaps 1270: #else
                   1271:        term_word(p, "\\(em");
                   1272: #endif
1.1       kristaps 1273:        return(1);
                   1274: }
                   1275:
                   1276:
                   1277: /* ARGSUSED */
                   1278: static void
                   1279: termp_bl_post(DECL_ARGS)
                   1280: {
                   1281:
                   1282:        if (MDOC_BLOCK == node->type)
                   1283:                term_newln(p);
                   1284: }
                   1285:
                   1286:
                   1287: /* ARGSUSED */
                   1288: static void
                   1289: termp_op_post(DECL_ARGS)
                   1290: {
                   1291:
                   1292:        if (MDOC_BODY != node->type)
                   1293:                return;
                   1294:        p->flags |= TERMP_NOSPACE;
                   1295:        term_word(p, "\\(rB");
                   1296: }
                   1297:
                   1298:
                   1299: /* ARGSUSED */
                   1300: static int
                   1301: termp_xr_pre(DECL_ARGS)
                   1302: {
                   1303:        const struct mdoc_node *n;
                   1304:
1.11      kristaps 1305:        assert(node->child && MDOC_TEXT == node->child->type);
                   1306:        n = node->child;
                   1307:
1.1       kristaps 1308:        term_word(p, n->string);
                   1309:        if (NULL == (n = n->next))
                   1310:                return(0);
                   1311:        p->flags |= TERMP_NOSPACE;
                   1312:        term_word(p, "(");
                   1313:        p->flags |= TERMP_NOSPACE;
                   1314:        term_word(p, n->string);
                   1315:        p->flags |= TERMP_NOSPACE;
                   1316:        term_word(p, ")");
                   1317:        return(0);
                   1318: }
                   1319:
                   1320:
                   1321: /* ARGSUSED */
                   1322: static void
                   1323: termp_vt_post(DECL_ARGS)
                   1324: {
                   1325:
1.32      kristaps 1326:        if (node->sec != SEC_SYNOPSIS)
                   1327:                return;
                   1328:        if (node->next && MDOC_Vt == node->next->tok)
                   1329:                term_newln(p);
                   1330:        else if (node->next)
1.1       kristaps 1331:                term_vspace(p);
                   1332: }
                   1333:
                   1334:
                   1335: /* ARGSUSED */
                   1336: static int
1.69      kristaps 1337: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1338: {
                   1339:
1.69      kristaps 1340:        p->bold++;
1.1       kristaps 1341:        return(1);
                   1342: }
                   1343:
                   1344:
                   1345: /* ARGSUSED */
                   1346: static void
                   1347: termp_fd_post(DECL_ARGS)
                   1348: {
                   1349:
                   1350:        if (node->sec != SEC_SYNOPSIS)
                   1351:                return;
1.29      kristaps 1352:
1.1       kristaps 1353:        term_newln(p);
                   1354:        if (node->next && MDOC_Fd != node->next->tok)
                   1355:                term_vspace(p);
                   1356: }
                   1357:
                   1358:
                   1359: /* ARGSUSED */
                   1360: static int
                   1361: termp_sh_pre(DECL_ARGS)
                   1362: {
1.64      kristaps 1363:        /*
1.65      kristaps 1364:         * XXX: undocumented: using two `Sh' macros in sequence has no
                   1365:         * vspace between calls, only a newline.
1.64      kristaps 1366:         */
1.1       kristaps 1367:        switch (node->type) {
1.65      kristaps 1368:        case (MDOC_BLOCK):
                   1369:                if (node->prev && MDOC_Sh == node->prev->tok)
                   1370:                        if (NULL == node->prev->body->child)
                   1371:                                break;
                   1372:                term_vspace(p);
                   1373:                break;
1.1       kristaps 1374:        case (MDOC_HEAD):
1.69      kristaps 1375:                p->bold++;
1.1       kristaps 1376:                break;
                   1377:        case (MDOC_BODY):
                   1378:                p->offset = INDENT;
                   1379:                break;
                   1380:        default:
                   1381:                break;
                   1382:        }
                   1383:        return(1);
                   1384: }
                   1385:
                   1386:
                   1387: /* ARGSUSED */
                   1388: static void
                   1389: termp_sh_post(DECL_ARGS)
                   1390: {
                   1391:
                   1392:        switch (node->type) {
                   1393:        case (MDOC_HEAD):
                   1394:                term_newln(p);
                   1395:                break;
                   1396:        case (MDOC_BODY):
                   1397:                term_newln(p);
                   1398:                p->offset = 0;
                   1399:                break;
                   1400:        default:
                   1401:                break;
                   1402:        }
                   1403: }
                   1404:
                   1405:
                   1406: /* ARGSUSED */
                   1407: static int
                   1408: termp_op_pre(DECL_ARGS)
                   1409: {
                   1410:
                   1411:        switch (node->type) {
                   1412:        case (MDOC_BODY):
                   1413:                term_word(p, "\\(lB");
                   1414:                p->flags |= TERMP_NOSPACE;
                   1415:                break;
                   1416:        default:
                   1417:                break;
                   1418:        }
                   1419:        return(1);
                   1420: }
                   1421:
                   1422:
                   1423: /* ARGSUSED */
                   1424: static int
                   1425: termp_bt_pre(DECL_ARGS)
                   1426: {
                   1427:
                   1428:        term_word(p, "is currently in beta test.");
                   1429:        return(1);
                   1430: }
                   1431:
                   1432:
                   1433: /* ARGSUSED */
                   1434: static void
                   1435: termp_lb_post(DECL_ARGS)
                   1436: {
                   1437:
                   1438:        term_newln(p);
                   1439: }
                   1440:
                   1441:
                   1442: /* ARGSUSED */
                   1443: static int
                   1444: termp_ud_pre(DECL_ARGS)
                   1445: {
                   1446:
                   1447:        term_word(p, "currently under development.");
                   1448:        return(1);
                   1449: }
                   1450:
                   1451:
                   1452: /* ARGSUSED */
                   1453: static int
                   1454: termp_d1_pre(DECL_ARGS)
                   1455: {
                   1456:
1.4       kristaps 1457:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1458:                return(1);
                   1459:        term_newln(p);
1.29      kristaps 1460:        p->offset += (INDENT + 1);
1.1       kristaps 1461:        return(1);
                   1462: }
                   1463:
                   1464:
                   1465: /* ARGSUSED */
                   1466: static void
                   1467: termp_d1_post(DECL_ARGS)
                   1468: {
                   1469:
1.4       kristaps 1470:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1471:                return;
                   1472:        term_newln(p);
                   1473: }
                   1474:
                   1475:
                   1476: /* ARGSUSED */
                   1477: static int
                   1478: termp_aq_pre(DECL_ARGS)
                   1479: {
                   1480:
                   1481:        if (MDOC_BODY != node->type)
                   1482:                return(1);
                   1483:        term_word(p, "\\(la");
                   1484:        p->flags |= TERMP_NOSPACE;
                   1485:        return(1);
                   1486: }
                   1487:
                   1488:
                   1489: /* ARGSUSED */
                   1490: static void
                   1491: termp_aq_post(DECL_ARGS)
                   1492: {
                   1493:
                   1494:        if (MDOC_BODY != node->type)
                   1495:                return;
                   1496:        p->flags |= TERMP_NOSPACE;
                   1497:        term_word(p, "\\(ra");
                   1498: }
                   1499:
                   1500:
                   1501: /* ARGSUSED */
                   1502: static int
                   1503: termp_ft_pre(DECL_ARGS)
                   1504: {
                   1505:
                   1506:        if (SEC_SYNOPSIS == node->sec)
                   1507:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1508:                        term_vspace(p);
1.69      kristaps 1509:        p->under++;
1.1       kristaps 1510:        return(1);
                   1511: }
                   1512:
                   1513:
                   1514: /* ARGSUSED */
                   1515: static void
                   1516: termp_ft_post(DECL_ARGS)
                   1517: {
                   1518:
                   1519:        if (SEC_SYNOPSIS == node->sec)
                   1520:                term_newln(p);
                   1521: }
                   1522:
                   1523:
                   1524: /* ARGSUSED */
                   1525: static int
                   1526: termp_fn_pre(DECL_ARGS)
                   1527: {
                   1528:        const struct mdoc_node *n;
                   1529:
1.11      kristaps 1530:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1531:
                   1532:        /* FIXME: can be "type funcname" "type varname"... */
                   1533:
1.69      kristaps 1534:        p->bold++;
1.1       kristaps 1535:        term_word(p, node->child->string);
1.69      kristaps 1536:        p->bold--;
1.1       kristaps 1537:
                   1538:        p->flags |= TERMP_NOSPACE;
                   1539:        term_word(p, "(");
                   1540:
                   1541:        for (n = node->child->next; n; n = n->next) {
1.69      kristaps 1542:                p->under++;
1.1       kristaps 1543:                term_word(p, n->string);
1.69      kristaps 1544:                p->under--;
1.1       kristaps 1545:                if (n->next)
                   1546:                        term_word(p, ",");
                   1547:        }
                   1548:
                   1549:        term_word(p, ")");
                   1550:
                   1551:        if (SEC_SYNOPSIS == node->sec)
                   1552:                term_word(p, ";");
                   1553:
                   1554:        return(0);
                   1555: }
                   1556:
                   1557:
                   1558: /* ARGSUSED */
                   1559: static void
                   1560: termp_fn_post(DECL_ARGS)
                   1561: {
                   1562:
                   1563:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1564:                term_vspace(p);
                   1565: }
                   1566:
                   1567:
                   1568: /* ARGSUSED */
                   1569: static int
                   1570: termp_fa_pre(DECL_ARGS)
                   1571: {
                   1572:        struct mdoc_node *n;
                   1573:
                   1574:        if (node->parent->tok != MDOC_Fo) {
1.69      kristaps 1575:                p->under++;
1.1       kristaps 1576:                return(1);
                   1577:        }
                   1578:
                   1579:        for (n = node->child; n; n = n->next) {
1.69      kristaps 1580:                p->under++;
1.1       kristaps 1581:                term_word(p, n->string);
1.69      kristaps 1582:                p->under--;
1.1       kristaps 1583:                if (n->next)
                   1584:                        term_word(p, ",");
                   1585:        }
                   1586:
                   1587:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1588:                term_word(p, ",");
                   1589:
                   1590:        return(0);
                   1591: }
                   1592:
                   1593:
                   1594: /* ARGSUSED */
                   1595: static int
                   1596: termp_bd_pre(DECL_ARGS)
                   1597: {
1.60      kristaps 1598:        int              i, type;
1.1       kristaps 1599:
                   1600:        /*
                   1601:         * This is fairly tricky due primarily to crappy documentation.
                   1602:         * If -ragged or -filled are specified, the block does nothing
                   1603:         * but change the indentation.
                   1604:         *
                   1605:         * If, on the other hand, -unfilled or -literal are specified,
                   1606:         * then the game changes.  Text is printed exactly as entered in
                   1607:         * the display: if a macro line, a newline is appended to the
                   1608:         * line.  Blank lines are allowed.
                   1609:         */
                   1610:
1.54      kristaps 1611:        if (MDOC_BLOCK == node->type) {
                   1612:                fmt_block_vspace(p, node, node);
                   1613:                return(1);
                   1614:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1615:                return(1);
                   1616:
1.60      kristaps 1617:        assert(node->parent->args);
1.11      kristaps 1618:
1.60      kristaps 1619:        for (type = -1, i = 0; -1 == type &&
1.1       kristaps 1620:                        i < (int)node->parent->args->argc; i++) {
                   1621:                switch (node->parent->args->argv[i].arg) {
                   1622:                case (MDOC_Ragged):
                   1623:                        /* FALLTHROUGH */
                   1624:                case (MDOC_Filled):
                   1625:                        /* FALLTHROUGH */
                   1626:                case (MDOC_Unfilled):
                   1627:                        /* FALLTHROUGH */
                   1628:                case (MDOC_Literal):
                   1629:                        type = node->parent->args->argv[i].arg;
                   1630:                        break;
                   1631:                default:
                   1632:                        break;
                   1633:                }
                   1634:        }
1.60      kristaps 1635:
                   1636:        assert(type > -1);
1.1       kristaps 1637:
                   1638:        i = arg_getattr(MDOC_Offset, node->parent);
1.60      kristaps 1639:        if (-1 != i)
1.1       kristaps 1640:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1641:
                   1642:        switch (type) {
                   1643:        case (MDOC_Literal):
                   1644:                /* FALLTHROUGH */
                   1645:        case (MDOC_Unfilled):
                   1646:                break;
                   1647:        default:
                   1648:                return(1);
                   1649:        }
                   1650:
                   1651:        for (node = node->child; node; node = node->next) {
1.60      kristaps 1652:                p->flags |= TERMP_NOSPACE;
                   1653:                print_node(p, pair, meta, node);
                   1654:                if (node->next)
1.1       kristaps 1655:                        term_flushln(p);
                   1656:        }
                   1657:
                   1658:        return(0);
                   1659: }
                   1660:
                   1661:
                   1662: /* ARGSUSED */
                   1663: static void
                   1664: termp_bd_post(DECL_ARGS)
                   1665: {
                   1666:
                   1667:        if (MDOC_BODY != node->type)
                   1668:                return;
1.60      kristaps 1669:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1670:        term_flushln(p);
                   1671: }
                   1672:
                   1673:
                   1674: /* ARGSUSED */
                   1675: static int
                   1676: termp_qq_pre(DECL_ARGS)
                   1677: {
                   1678:
                   1679:        if (MDOC_BODY != node->type)
                   1680:                return(1);
                   1681:        term_word(p, "\"");
                   1682:        p->flags |= TERMP_NOSPACE;
                   1683:        return(1);
                   1684: }
                   1685:
                   1686:
                   1687: /* ARGSUSED */
                   1688: static void
                   1689: termp_qq_post(DECL_ARGS)
                   1690: {
                   1691:
                   1692:        if (MDOC_BODY != node->type)
                   1693:                return;
                   1694:        p->flags |= TERMP_NOSPACE;
                   1695:        term_word(p, "\"");
                   1696: }
                   1697:
                   1698:
                   1699: /* ARGSUSED */
                   1700: static void
                   1701: termp_bx_post(DECL_ARGS)
                   1702: {
                   1703:
                   1704:        if (node->child)
                   1705:                p->flags |= TERMP_NOSPACE;
                   1706:        term_word(p, "BSD");
                   1707: }
                   1708:
                   1709:
                   1710: /* ARGSUSED */
                   1711: static int
1.26      kristaps 1712: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1713: {
1.26      kristaps 1714:        const char      *pp;
1.1       kristaps 1715:
1.26      kristaps 1716:        pp = NULL;
                   1717:        switch (node->tok) {
                   1718:        case (MDOC_Bsx):
                   1719:                pp = "BSDI BSD/OS";
                   1720:                break;
                   1721:        case (MDOC_Dx):
                   1722:                pp = "DragonFlyBSD";
                   1723:                break;
                   1724:        case (MDOC_Fx):
                   1725:                pp = "FreeBSD";
                   1726:                break;
                   1727:        case (MDOC_Nx):
                   1728:                pp = "NetBSD";
                   1729:                break;
                   1730:        case (MDOC_Ox):
                   1731:                pp = "OpenBSD";
                   1732:                break;
                   1733:        case (MDOC_Ux):
                   1734:                pp = "UNIX";
                   1735:                break;
                   1736:        default:
                   1737:                break;
                   1738:        }
1.1       kristaps 1739:
1.26      kristaps 1740:        assert(pp);
                   1741:        term_word(p, pp);
1.1       kristaps 1742:        return(1);
                   1743: }
                   1744:
                   1745:
                   1746: /* ARGSUSED */
                   1747: static int
                   1748: termp_sq_pre(DECL_ARGS)
                   1749: {
                   1750:
                   1751:        if (MDOC_BODY != node->type)
                   1752:                return(1);
                   1753:        term_word(p, "\\(oq");
                   1754:        p->flags |= TERMP_NOSPACE;
                   1755:        return(1);
                   1756: }
                   1757:
                   1758:
                   1759: /* ARGSUSED */
                   1760: static void
                   1761: termp_sq_post(DECL_ARGS)
                   1762: {
                   1763:
                   1764:        if (MDOC_BODY != node->type)
                   1765:                return;
                   1766:        p->flags |= TERMP_NOSPACE;
                   1767:        term_word(p, "\\(aq");
                   1768: }
                   1769:
                   1770:
                   1771: /* ARGSUSED */
                   1772: static int
                   1773: termp_pf_pre(DECL_ARGS)
                   1774: {
                   1775:
                   1776:        p->flags |= TERMP_IGNDELIM;
                   1777:        return(1);
                   1778: }
                   1779:
                   1780:
                   1781: /* ARGSUSED */
                   1782: static void
                   1783: termp_pf_post(DECL_ARGS)
                   1784: {
                   1785:
                   1786:        p->flags &= ~TERMP_IGNDELIM;
                   1787:        p->flags |= TERMP_NOSPACE;
                   1788: }
                   1789:
                   1790:
                   1791: /* ARGSUSED */
                   1792: static int
                   1793: termp_ss_pre(DECL_ARGS)
                   1794: {
                   1795:
                   1796:        switch (node->type) {
                   1797:        case (MDOC_BLOCK):
                   1798:                term_newln(p);
                   1799:                if (node->prev)
                   1800:                        term_vspace(p);
                   1801:                break;
                   1802:        case (MDOC_HEAD):
1.69      kristaps 1803:                p->bold++;
1.5       kristaps 1804:                p->offset = HALFINDENT;
1.1       kristaps 1805:                break;
                   1806:        default:
                   1807:                break;
                   1808:        }
                   1809:
                   1810:        return(1);
                   1811: }
                   1812:
                   1813:
                   1814: /* ARGSUSED */
                   1815: static void
                   1816: termp_ss_post(DECL_ARGS)
                   1817: {
                   1818:
1.29      kristaps 1819:        if (MDOC_HEAD == node->type)
1.1       kristaps 1820:                term_newln(p);
                   1821: }
                   1822:
                   1823:
                   1824: /* ARGSUSED */
                   1825: static int
                   1826: termp_cd_pre(DECL_ARGS)
                   1827: {
                   1828:
1.69      kristaps 1829:        p->bold++;
1.1       kristaps 1830:        term_newln(p);
                   1831:        return(1);
                   1832: }
                   1833:
                   1834:
                   1835: /* ARGSUSED */
                   1836: static int
                   1837: termp_in_pre(DECL_ARGS)
                   1838: {
                   1839:
1.69      kristaps 1840:        p->bold++;
1.22      kristaps 1841:        if (SEC_SYNOPSIS == node->sec)
                   1842:                term_word(p, "#include");
                   1843:
1.1       kristaps 1844:        term_word(p, "<");
                   1845:        p->flags |= TERMP_NOSPACE;
                   1846:        return(1);
                   1847: }
                   1848:
                   1849:
                   1850: /* ARGSUSED */
                   1851: static void
                   1852: termp_in_post(DECL_ARGS)
                   1853: {
                   1854:
1.69      kristaps 1855:        p->bold++;
1.1       kristaps 1856:        term_word(p, ">");
1.69      kristaps 1857:        p->bold--;
1.1       kristaps 1858:
                   1859:        if (SEC_SYNOPSIS != node->sec)
                   1860:                return;
1.22      kristaps 1861:
                   1862:        term_newln(p);
                   1863:        /*
                   1864:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1865:         * the SYNOPSIS section, then it produces a single break after
                   1866:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1867:         * construction is rarely used, I think it's fine.
                   1868:         */
1.1       kristaps 1869:        if (node->next && MDOC_In != node->next->tok)
                   1870:                term_vspace(p);
                   1871: }
                   1872:
                   1873:
                   1874: /* ARGSUSED */
                   1875: static int
1.45      kristaps 1876: termp_sp_pre(DECL_ARGS)
                   1877: {
                   1878:        int              i, len;
                   1879:
                   1880:        if (NULL == node->child) {
                   1881:                term_vspace(p);
                   1882:                return(0);
                   1883:        }
                   1884:
                   1885:        len = atoi(node->child->string);
                   1886:        if (0 == len)
                   1887:                term_newln(p);
                   1888:        for (i = 0; i < len; i++)
                   1889:                term_vspace(p);
                   1890:
                   1891:        return(0);
                   1892: }
                   1893:
                   1894:
                   1895: /* ARGSUSED */
                   1896: static int
1.44      kristaps 1897: termp_br_pre(DECL_ARGS)
                   1898: {
                   1899:
                   1900:        term_newln(p);
                   1901:        return(1);
                   1902: }
                   1903:
                   1904:
                   1905: /* ARGSUSED */
                   1906: static int
1.1       kristaps 1907: termp_brq_pre(DECL_ARGS)
                   1908: {
                   1909:
                   1910:        if (MDOC_BODY != node->type)
                   1911:                return(1);
                   1912:        term_word(p, "\\(lC");
                   1913:        p->flags |= TERMP_NOSPACE;
                   1914:        return(1);
                   1915: }
                   1916:
                   1917:
                   1918: /* ARGSUSED */
                   1919: static void
                   1920: termp_brq_post(DECL_ARGS)
                   1921: {
                   1922:
                   1923:        if (MDOC_BODY != node->type)
                   1924:                return;
                   1925:        p->flags |= TERMP_NOSPACE;
                   1926:        term_word(p, "\\(rC");
                   1927: }
                   1928:
                   1929:
                   1930: /* ARGSUSED */
                   1931: static int
                   1932: termp_bq_pre(DECL_ARGS)
                   1933: {
                   1934:
                   1935:        if (MDOC_BODY != node->type)
                   1936:                return(1);
                   1937:        term_word(p, "\\(lB");
                   1938:        p->flags |= TERMP_NOSPACE;
                   1939:        return(1);
                   1940: }
                   1941:
                   1942:
                   1943: /* ARGSUSED */
                   1944: static void
                   1945: termp_bq_post(DECL_ARGS)
                   1946: {
                   1947:
                   1948:        if (MDOC_BODY != node->type)
                   1949:                return;
                   1950:        p->flags |= TERMP_NOSPACE;
                   1951:        term_word(p, "\\(rB");
                   1952: }
                   1953:
                   1954:
                   1955: /* ARGSUSED */
                   1956: static int
                   1957: termp_pq_pre(DECL_ARGS)
                   1958: {
                   1959:
                   1960:        if (MDOC_BODY != node->type)
                   1961:                return(1);
                   1962:        term_word(p, "\\&(");
                   1963:        p->flags |= TERMP_NOSPACE;
                   1964:        return(1);
                   1965: }
                   1966:
                   1967:
                   1968: /* ARGSUSED */
                   1969: static void
                   1970: termp_pq_post(DECL_ARGS)
                   1971: {
                   1972:
                   1973:        if (MDOC_BODY != node->type)
                   1974:                return;
                   1975:        term_word(p, ")");
                   1976: }
                   1977:
                   1978:
                   1979: /* ARGSUSED */
                   1980: static int
                   1981: termp_fo_pre(DECL_ARGS)
                   1982: {
                   1983:        const struct mdoc_node *n;
                   1984:
                   1985:        if (MDOC_BODY == node->type) {
1.33      kristaps 1986:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1987:                term_word(p, "(");
                   1988:                p->flags |= TERMP_NOSPACE;
                   1989:                return(1);
                   1990:        } else if (MDOC_HEAD != node->type)
                   1991:                return(1);
                   1992:
1.69      kristaps 1993:        p->bold++;
1.1       kristaps 1994:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1995:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1996:                term_word(p, n->string);
                   1997:        }
1.69      kristaps 1998:        p->bold--;
1.1       kristaps 1999:
                   2000:        return(0);
                   2001: }
                   2002:
                   2003:
                   2004: /* ARGSUSED */
                   2005: static void
                   2006: termp_fo_post(DECL_ARGS)
                   2007: {
                   2008:
                   2009:        if (MDOC_BODY != node->type)
                   2010:                return;
                   2011:        p->flags |= TERMP_NOSPACE;
                   2012:        term_word(p, ")");
                   2013:        p->flags |= TERMP_NOSPACE;
                   2014:        term_word(p, ";");
                   2015:        term_newln(p);
                   2016: }
                   2017:
                   2018:
                   2019: /* ARGSUSED */
                   2020: static int
                   2021: termp_bf_pre(DECL_ARGS)
                   2022: {
                   2023:        const struct mdoc_node  *n;
                   2024:
1.28      kristaps 2025:        if (MDOC_HEAD == node->type)
1.1       kristaps 2026:                return(0);
1.28      kristaps 2027:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 2028:                return(1);
                   2029:
                   2030:        if (NULL == (n = node->head->child)) {
                   2031:                if (arg_hasattr(MDOC_Emphasis, node))
1.69      kristaps 2032:                        p->under++;
1.1       kristaps 2033:                else if (arg_hasattr(MDOC_Symbolic, node))
1.69      kristaps 2034:                        p->bold++;
1.1       kristaps 2035:
                   2036:                return(1);
                   2037:        }
                   2038:
1.11      kristaps 2039:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2040:        if (0 == strcmp("Em", n->string))
1.69      kristaps 2041:                p->under++;
1.1       kristaps 2042:        else if (0 == strcmp("Sy", n->string))
1.69      kristaps 2043:                p->bold++;
1.1       kristaps 2044:
                   2045:        return(1);
                   2046: }
                   2047:
                   2048:
                   2049: /* ARGSUSED */
                   2050: static int
                   2051: termp_sm_pre(DECL_ARGS)
                   2052: {
                   2053:
1.11      kristaps 2054:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2055:        if (0 == strcmp("on", node->child->string)) {
                   2056:                p->flags &= ~TERMP_NONOSPACE;
                   2057:                p->flags &= ~TERMP_NOSPACE;
                   2058:        } else
                   2059:                p->flags |= TERMP_NONOSPACE;
                   2060:
                   2061:        return(0);
                   2062: }
                   2063:
                   2064:
                   2065: /* ARGSUSED */
                   2066: static int
                   2067: termp_ap_pre(DECL_ARGS)
                   2068: {
                   2069:
                   2070:        p->flags |= TERMP_NOSPACE;
                   2071:        term_word(p, "\\(aq");
                   2072:        p->flags |= TERMP_NOSPACE;
                   2073:        return(1);
                   2074: }
                   2075:
                   2076:
                   2077: /* ARGSUSED */
                   2078: static void
                   2079: termp____post(DECL_ARGS)
                   2080: {
                   2081:
                   2082:        p->flags |= TERMP_NOSPACE;
                   2083:        term_word(p, node->next ? "," : ".");
                   2084: }
                   2085:
                   2086:
                   2087: /* ARGSUSED */
                   2088: static int
                   2089: termp_lk_pre(DECL_ARGS)
                   2090: {
                   2091:        const struct mdoc_node *n;
                   2092:
1.11      kristaps 2093:        assert(node->child);
                   2094:        n = node->child;
1.1       kristaps 2095:
1.12      kristaps 2096:        if (NULL == n->next) {
1.69      kristaps 2097:                p->under++;
1.12      kristaps 2098:                return(1);
                   2099:        }
                   2100:
1.69      kristaps 2101:        p->under++;
1.1       kristaps 2102:        term_word(p, n->string);
                   2103:        p->flags |= TERMP_NOSPACE;
                   2104:        term_word(p, ":");
1.69      kristaps 2105:        p->under--;
1.1       kristaps 2106:
1.69      kristaps 2107:        p->bold++;
1.12      kristaps 2108:        for (n = n->next; n; n = n->next)
1.1       kristaps 2109:                term_word(p, n->string);
1.69      kristaps 2110:        p->bold--;
1.12      kristaps 2111:
1.1       kristaps 2112:        return(0);
                   2113: }
                   2114:
                   2115:
                   2116: /* ARGSUSED */
                   2117: static int
1.69      kristaps 2118: termp_under_pre(DECL_ARGS)
1.1       kristaps 2119: {
                   2120:
1.69      kristaps 2121:        p->under++;
1.1       kristaps 2122:        return(1);
                   2123: }

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