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Annotation of mandoc/mdoc_term.c, Revision 1.82

1.82    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.81 2009/09/24 11:05:45 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);
                    116: static int       termp_brq_pre(DECL_ARGS);
                    117: static int       termp_bt_pre(DECL_ARGS);
                    118: static int       termp_cd_pre(DECL_ARGS);
                    119: static int       termp_d1_pre(DECL_ARGS);
                    120: static int       termp_dq_pre(DECL_ARGS);
                    121: static int       termp_ex_pre(DECL_ARGS);
                    122: static int       termp_fa_pre(DECL_ARGS);
                    123: static int       termp_fl_pre(DECL_ARGS);
                    124: static int       termp_fn_pre(DECL_ARGS);
                    125: static int       termp_fo_pre(DECL_ARGS);
                    126: static int       termp_ft_pre(DECL_ARGS);
                    127: static int       termp_in_pre(DECL_ARGS);
                    128: static int       termp_it_pre(DECL_ARGS);
                    129: static int       termp_lk_pre(DECL_ARGS);
                    130: static int       termp_nd_pre(DECL_ARGS);
                    131: static int       termp_nm_pre(DECL_ARGS);
                    132: static int       termp_ns_pre(DECL_ARGS);
                    133: static int       termp_op_pre(DECL_ARGS);
                    134: static int       termp_pf_pre(DECL_ARGS);
                    135: static int       termp_pq_pre(DECL_ARGS);
                    136: static int       termp_qq_pre(DECL_ARGS);
                    137: static int       termp_rs_pre(DECL_ARGS);
                    138: static int       termp_rv_pre(DECL_ARGS);
                    139: static int       termp_sh_pre(DECL_ARGS);
                    140: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  141: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  142: static int       termp_sq_pre(DECL_ARGS);
                    143: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  144: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  145: static int       termp_ud_pre(DECL_ARGS);
                    146: static int       termp_xr_pre(DECL_ARGS);
                    147: static int       termp_xx_pre(DECL_ARGS);
                    148:
1.70      kristaps  149: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  150:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  151:        { NULL, NULL }, /* Dd */
                    152:        { NULL, NULL }, /* Dt */
                    153:        { NULL, NULL }, /* Os */
                    154:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    155:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  156:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  157:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    158:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    159:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    160:        { NULL, NULL }, /* Ed */
                    161:        { NULL, termp_bl_post }, /* Bl */
                    162:        { NULL, NULL }, /* El */
                    163:        { termp_it_pre, termp_it_post }, /* It */
                    164:        { NULL, NULL }, /* Ad */
1.61      kristaps  165:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  166:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  167:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  168:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  169:        { NULL, NULL }, /* Dv */
                    170:        { NULL, NULL }, /* Er */
                    171:        { NULL, NULL }, /* Ev */
                    172:        { termp_ex_pre, NULL }, /* Ex */
                    173:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  174:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  175:        { termp_fl_pre, NULL }, /* Fl */
                    176:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    177:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  178:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  179:        { termp_in_pre, termp_in_post }, /* In */
                    180:        { NULL, NULL }, /* Li */
                    181:        { termp_nd_pre, NULL }, /* Nd */
                    182:        { termp_nm_pre, NULL }, /* Nm */
                    183:        { termp_op_pre, termp_op_post }, /* Op */
                    184:        { NULL, NULL }, /* Ot */
1.69      kristaps  185:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  186:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  187:        { NULL, NULL }, /* St */
1.69      kristaps  188:        { termp_under_pre, NULL }, /* Va */
1.70      kristaps  189:        { termp_under_pre, termp_vt_post }, /* Vt */
1.1       kristaps  190:        { termp_xr_pre, NULL }, /* Xr */
                    191:        { NULL, termp____post }, /* %A */
                    192:        { NULL, termp____post }, /* %B */
                    193:        { NULL, termp____post }, /* %D */
                    194:        { NULL, termp____post }, /* %I */
1.69      kristaps  195:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  196:        { NULL, termp____post }, /* %N */
                    197:        { NULL, termp____post }, /* %O */
                    198:        { NULL, termp____post }, /* %P */
                    199:        { NULL, termp____post }, /* %R */
1.69      kristaps  200:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  201:        { NULL, termp____post }, /* %V */
                    202:        { NULL, NULL }, /* Ac */
                    203:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    204:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  205:        { NULL, NULL }, /* At */
1.1       kristaps  206:        { NULL, NULL }, /* Bc */
                    207:        { termp_bf_pre, NULL }, /* Bf */
                    208:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    209:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  210:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  211:        { NULL, termp_bx_post }, /* Bx */
                    212:        { NULL, NULL }, /* Db */
                    213:        { NULL, NULL }, /* Dc */
                    214:        { termp_dq_pre, termp_dq_post }, /* Do */
                    215:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    216:        { NULL, NULL }, /* Ec */
                    217:        { NULL, NULL }, /* Ef */
1.69      kristaps  218:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  219:        { NULL, NULL }, /* Eo */
1.26      kristaps  220:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  221:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  222:        { NULL, NULL }, /* No */
                    223:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  224:        { termp_xx_pre, NULL }, /* Nx */
                    225:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  226:        { NULL, NULL }, /* Pc */
                    227:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    228:        { termp_pq_pre, termp_pq_post }, /* Po */
                    229:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    230:        { NULL, NULL }, /* Qc */
                    231:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    232:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    233:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    234:        { NULL, NULL }, /* Re */
                    235:        { termp_rs_pre, NULL }, /* Rs */
                    236:        { NULL, NULL }, /* Sc */
                    237:        { termp_sq_pre, termp_sq_post }, /* So */
                    238:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    239:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  240:        { termp_under_pre, NULL }, /* Sx */
                    241:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  242:        { NULL, NULL }, /* Tn */
1.26      kristaps  243:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  244:        { NULL, NULL }, /* Xc */
                    245:        { NULL, NULL }, /* Xo */
                    246:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    247:        { NULL, NULL }, /* Fc */
                    248:        { termp_op_pre, termp_op_post }, /* Oo */
                    249:        { NULL, NULL }, /* Oc */
                    250:        { NULL, NULL }, /* Bk */
                    251:        { NULL, NULL }, /* Ek */
                    252:        { termp_bt_pre, NULL }, /* Bt */
                    253:        { NULL, NULL }, /* Hf */
                    254:        { NULL, NULL }, /* Fr */
                    255:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  256:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  257:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  258:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  259:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  260:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    261:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    262:        { NULL, NULL }, /* Brc */
                    263:        { NULL, NULL }, /* %C */
1.81      kristaps  264:        { NULL, NULL }, /* Es */ /* TODO */
                    265:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  266:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  267:        { NULL, NULL }, /* %Q */
1.76      kristaps  268:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  269:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  270: };
                    271:
1.2       kristaps  272: #ifdef __linux__
1.9       kristaps  273: extern size_t    strlcpy(char *, const char *, size_t);
                    274: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  275: #endif
                    276:
1.1       kristaps  277: static int       arg_hasattr(int, const struct mdoc_node *);
                    278: static int       arg_getattrs(const int *, int *, size_t,
                    279:                        const struct mdoc_node *);
                    280: static int       arg_getattr(int, const struct mdoc_node *);
                    281: static size_t    arg_offset(const struct mdoc_argv *);
                    282: static size_t    arg_width(const struct mdoc_argv *, int);
                    283: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  284: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  285:                        const struct mdoc_node *,
                    286:                        const struct mdoc_node *);
1.3       kristaps  287: static void      print_node(DECL_ARGS);
1.70      kristaps  288: static void      print_head(DECL_ARGS);
1.3       kristaps  289: static void      print_body(DECL_ARGS);
1.70      kristaps  290: static void      print_foot(DECL_ARGS);
1.1       kristaps  291:
                    292:
1.70      kristaps  293: void
                    294: mdoc_run(struct termp *p, const struct mdoc *mdoc)
1.1       kristaps  295: {
1.70      kristaps  296:        const struct mdoc_node  *n;
                    297:        const struct mdoc_meta  *m;
                    298:
                    299:        n = mdoc_node(mdoc);
                    300:        m = mdoc_meta(mdoc);
                    301:
                    302:        print_head(p, NULL, m, n);
                    303:        if (n->child)
                    304:                print_body(p, NULL, m, n->child);
                    305:        print_foot(p, NULL, m, n);
1.1       kristaps  306: }
                    307:
                    308:
1.3       kristaps  309: static void
1.1       kristaps  310: print_body(DECL_ARGS)
                    311: {
                    312:
1.3       kristaps  313:        print_node(p, pair, meta, node);
1.70      kristaps  314:        if (node->next)
                    315:                print_body(p, pair, meta, node->next);
1.1       kristaps  316: }
                    317:
                    318:
1.70      kristaps  319: /* ARGSUSED */
1.3       kristaps  320: static void
1.1       kristaps  321: print_node(DECL_ARGS)
                    322: {
1.70      kristaps  323:        int              chld, bold, under;
1.1       kristaps  324:        struct termpair  npair;
1.30      kristaps  325:        size_t           offset, rmargin;
1.1       kristaps  326:
1.70      kristaps  327:        chld = 1;
1.29      kristaps  328:        offset = p->offset;
1.30      kristaps  329:        rmargin = p->rmargin;
1.69      kristaps  330:        bold = p->bold;
                    331:        under = p->under;
1.29      kristaps  332:
1.70      kristaps  333:        bzero(&npair, sizeof(struct termpair));
1.1       kristaps  334:        npair.ppair = pair;
1.46      kristaps  335:
1.1       kristaps  336:        if (MDOC_TEXT != node->type) {
                    337:                if (termacts[node->tok].pre)
1.70      kristaps  338:                        chld = (*termacts[node->tok].pre)
                    339:                                (p, &npair, meta, node);
                    340:        } else
1.1       kristaps  341:                term_word(p, node->string);
                    342:
1.70      kristaps  343:        if (chld && node->child)
                    344:                print_body(p, &npair, meta, node->child);
1.1       kristaps  345:
1.70      kristaps  346:        /*
                    347:         * XXX - if bold/under were to span scopes, this wouldn't be
                    348:         * possible, but because decoration is always in-scope, we can
                    349:         * get away with this.
                    350:         */
1.1       kristaps  351:
1.69      kristaps  352:        p->bold = bold;
                    353:        p->under = under;
1.46      kristaps  354:
1.1       kristaps  355:        if (MDOC_TEXT != node->type)
                    356:                if (termacts[node->tok].post)
1.70      kristaps  357:                        (*termacts[node->tok].post)
                    358:                                (p, &npair, meta, node);
1.29      kristaps  359:
                    360:        p->offset = offset;
1.30      kristaps  361:        p->rmargin = rmargin;
1.1       kristaps  362: }
                    363:
                    364:
1.70      kristaps  365: /* ARGSUSED */
1.3       kristaps  366: static void
1.70      kristaps  367: print_foot(DECL_ARGS)
1.1       kristaps  368: {
                    369:        struct tm       *tm;
                    370:        char            *buf, *os;
                    371:
1.9       kristaps  372:        /*
                    373:         * Output the footer in new-groff style, that is, three columns
                    374:         * with the middle being the manual date and flanking columns
                    375:         * being the operating system:
                    376:         *
                    377:         * SYSTEM                  DATE                    SYSTEM
                    378:         */
                    379:
1.1       kristaps  380:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  381:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  382:        if (NULL == (os = malloc(p->rmargin)))
1.70      kristaps  383:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  384:
                    385:        tm = localtime(&meta->date);
                    386:
1.42      kristaps  387:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.70      kristaps  388:                err(EXIT_FAILURE, "strftime");
1.1       kristaps  389:
                    390:        (void)strlcpy(os, meta->os, p->rmargin);
                    391:
                    392:        term_vspace(p);
                    393:
1.9       kristaps  394:        p->offset = 0;
                    395:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  396:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    397:
                    398:        term_word(p, os);
                    399:        term_flushln(p);
                    400:
1.9       kristaps  401:        p->offset = p->rmargin;
                    402:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  403:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  404:
                    405:        term_word(p, buf);
                    406:        term_flushln(p);
                    407:
1.1       kristaps  408:        p->offset = p->rmargin;
                    409:        p->rmargin = p->maxrmargin;
                    410:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  411:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  412:
1.9       kristaps  413:        term_word(p, os);
1.1       kristaps  414:        term_flushln(p);
                    415:
1.9       kristaps  416:        p->offset = 0;
                    417:        p->rmargin = p->maxrmargin;
                    418:        p->flags = 0;
                    419:
1.1       kristaps  420:        free(buf);
                    421:        free(os);
                    422: }
                    423:
                    424:
1.75      kristaps  425: /* FIXME: put in utility library. */
1.70      kristaps  426: /* ARGSUSED */
1.3       kristaps  427: static void
1.70      kristaps  428: print_head(DECL_ARGS)
1.1       kristaps  429: {
                    430:        char            *buf, *title;
                    431:
                    432:        p->rmargin = p->maxrmargin;
                    433:        p->offset = 0;
                    434:
                    435:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  436:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  437:        if (NULL == (title = malloc(p->rmargin)))
1.70      kristaps  438:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  439:
                    440:        /*
                    441:         * The header is strange.  It has three components, which are
                    442:         * really two with the first duplicated.  It goes like this:
                    443:         *
                    444:         * IDENTIFIER              TITLE                   IDENTIFIER
                    445:         *
                    446:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    447:         * (if given, or "unknown" if not) followed by the manual page
                    448:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    449:         * string depending on the manual volume.  If not specified, it
                    450:         * switches on the manual section.
                    451:         */
                    452:
                    453:        assert(meta->vol);
                    454:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    455:
                    456:        if (meta->arch) {
                    457:                (void)strlcat(buf, " (", p->rmargin);
                    458:                (void)strlcat(buf, meta->arch, p->rmargin);
                    459:                (void)strlcat(buf, ")", p->rmargin);
                    460:        }
                    461:
1.70      kristaps  462:        snprintf(title, p->rmargin, "%s(%d)", meta->title, meta->msec);
1.1       kristaps  463:
                    464:        p->offset = 0;
1.8       kristaps  465:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  466:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    467:
                    468:        term_word(p, title);
                    469:        term_flushln(p);
                    470:
                    471:        p->offset = p->rmargin;
                    472:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  473:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  474:
                    475:        term_word(p, buf);
                    476:        term_flushln(p);
                    477:
                    478:        p->offset = p->rmargin;
                    479:        p->rmargin = p->maxrmargin;
                    480:        p->flags &= ~TERMP_NOBREAK;
                    481:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    482:
                    483:        term_word(p, title);
                    484:        term_flushln(p);
                    485:
1.9       kristaps  486:        p->offset = 0;
1.1       kristaps  487:        p->rmargin = p->maxrmargin;
                    488:        p->flags &= ~TERMP_NOSPACE;
                    489:
                    490:        free(title);
                    491:        free(buf);
                    492: }
                    493:
                    494:
1.72      kristaps  495: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  496: static size_t
                    497: arg_width(const struct mdoc_argv *arg, int pos)
                    498: {
                    499:        int              i, len;
1.40      kristaps  500:        const char      *p;
1.1       kristaps  501:
                    502:        assert(pos < (int)arg->sz && pos >= 0);
                    503:        assert(arg->value[pos]);
                    504:
1.40      kristaps  505:        p = arg->value[pos];
                    506:
                    507:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  508:                return(0);
                    509:
                    510:        for (i = 0; i < len - 1; i++)
1.40      kristaps  511:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  512:                        break;
                    513:
1.40      kristaps  514:        if (i == len - 1)
                    515:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    516:                        return((size_t)atoi(p) + 2);
1.1       kristaps  517:
1.40      kristaps  518:        return((size_t)len + 2);
1.1       kristaps  519: }
                    520:
                    521:
1.73      kristaps  522: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  523: static int
                    524: arg_listtype(const struct mdoc_node *n)
                    525: {
                    526:        int              i, len;
                    527:
                    528:        assert(MDOC_BLOCK == n->type);
                    529:
                    530:        len = (int)(n->args ? n->args->argc : 0);
                    531:
                    532:        for (i = 0; i < len; i++)
                    533:                switch (n->args->argv[i].arg) {
                    534:                case (MDOC_Bullet):
                    535:                        /* FALLTHROUGH */
                    536:                case (MDOC_Dash):
                    537:                        /* FALLTHROUGH */
                    538:                case (MDOC_Enum):
                    539:                        /* FALLTHROUGH */
                    540:                case (MDOC_Hyphen):
                    541:                        /* FALLTHROUGH */
                    542:                case (MDOC_Tag):
                    543:                        /* FALLTHROUGH */
                    544:                case (MDOC_Inset):
                    545:                        /* FALLTHROUGH */
                    546:                case (MDOC_Diag):
                    547:                        /* FALLTHROUGH */
                    548:                case (MDOC_Item):
                    549:                        /* FALLTHROUGH */
                    550:                case (MDOC_Column):
                    551:                        /* FALLTHROUGH */
1.38      kristaps  552:                case (MDOC_Hang):
                    553:                        /* FALLTHROUGH */
1.1       kristaps  554:                case (MDOC_Ohang):
                    555:                        return(n->args->argv[i].arg);
                    556:                default:
                    557:                        break;
                    558:                }
                    559:
1.38      kristaps  560:        return(-1);
1.1       kristaps  561: }
                    562:
                    563:
1.72      kristaps  564: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  565: static size_t
                    566: arg_offset(const struct mdoc_argv *arg)
                    567: {
1.40      kristaps  568:        int              len, i;
                    569:        const char      *p;
1.1       kristaps  570:
                    571:        assert(*arg->value);
1.40      kristaps  572:        p = *arg->value;
                    573:
                    574:        if (0 == strcmp(p, "left"))
1.19      kristaps  575:                return(0);
1.40      kristaps  576:        if (0 == strcmp(p, "indent"))
1.16      kristaps  577:                return(INDENT + 1);
1.40      kristaps  578:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  579:                return((INDENT + 1) * 2);
1.10      kristaps  580:
1.40      kristaps  581:        if (0 == (len = (int)strlen(p)))
                    582:                return(0);
                    583:
                    584:        for (i = 0; i < len - 1; i++)
                    585:                if ( ! isdigit((u_char)p[i]))
                    586:                        break;
                    587:
                    588:        if (i == len - 1)
                    589:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    590:                        return((size_t)atoi(p));
1.11      kristaps  591:
1.40      kristaps  592:        return((size_t)len);
1.1       kristaps  593: }
                    594:
                    595:
                    596: static int
                    597: arg_hasattr(int arg, const struct mdoc_node *n)
                    598: {
                    599:
                    600:        return(-1 != arg_getattr(arg, n));
                    601: }
                    602:
                    603:
                    604: static int
                    605: arg_getattr(int v, const struct mdoc_node *n)
                    606: {
                    607:        int              val;
                    608:
                    609:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    610: }
                    611:
                    612:
                    613: static int
                    614: arg_getattrs(const int *keys, int *vals,
                    615:                size_t sz, const struct mdoc_node *n)
                    616: {
                    617:        int              i, j, k;
                    618:
                    619:        if (NULL == n->args)
                    620:                return(0);
                    621:
                    622:        for (k = i = 0; i < (int)n->args->argc; i++)
                    623:                for (j = 0; j < (int)sz; j++)
                    624:                        if (n->args->argv[i].arg == keys[j]) {
                    625:                                vals[j] = i;
                    626:                                k++;
                    627:                        }
                    628:        return(k);
                    629: }
                    630:
                    631:
                    632: /* ARGSUSED */
1.54      kristaps  633: static void
1.1       kristaps  634: fmt_block_vspace(struct termp *p,
                    635:                const struct mdoc_node *bl,
                    636:                const struct mdoc_node *node)
                    637: {
                    638:        const struct mdoc_node *n;
                    639:
                    640:        term_newln(p);
                    641:
1.59      kristaps  642:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  643:                return;
1.63      kristaps  644:        assert(node);
1.54      kristaps  645:
                    646:        /*
                    647:         * Search through our prior nodes.  If we follow a `Ss' or `Sh',
                    648:         * then don't vspace.
                    649:         */
1.1       kristaps  650:
                    651:        for (n = node; n; n = n->parent) {
                    652:                if (MDOC_BLOCK != n->type)
                    653:                        continue;
                    654:                if (MDOC_Ss == n->tok)
1.54      kristaps  655:                        return;
1.1       kristaps  656:                if (MDOC_Sh == n->tok)
1.54      kristaps  657:                        return;
1.1       kristaps  658:                if (NULL == n->prev)
                    659:                        continue;
                    660:                break;
                    661:        }
                    662:
1.54      kristaps  663:        /*
1.55      kristaps  664:         * XXX - not documented: a `-column' does not ever assert vspace
                    665:         * within the list.
1.54      kristaps  666:         */
                    667:
1.59      kristaps  668:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.54      kristaps  669:                if (node->prev && MDOC_It == node->prev->tok)
                    670:                        return;
                    671:
1.55      kristaps  672:        /*
                    673:         * XXX - not documented: a `-diag' without a body does not
                    674:         * assert a vspace prior to the next element.
                    675:         */
1.59      kristaps  676:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.55      kristaps  677:                if (node->prev && MDOC_It == node->prev->tok) {
                    678:                        assert(node->prev->body);
                    679:                        if (NULL == node->prev->body->child)
                    680:                                return;
                    681:                }
                    682:
1.54      kristaps  683:        term_vspace(p);
1.1       kristaps  684: }
                    685:
                    686:
                    687: /* ARGSUSED */
                    688: static int
                    689: termp_dq_pre(DECL_ARGS)
                    690: {
                    691:
                    692:        if (MDOC_BODY != node->type)
                    693:                return(1);
                    694:
                    695:        term_word(p, "\\(lq");
                    696:        p->flags |= TERMP_NOSPACE;
                    697:        return(1);
                    698: }
                    699:
                    700:
                    701: /* ARGSUSED */
                    702: static void
                    703: termp_dq_post(DECL_ARGS)
                    704: {
                    705:
                    706:        if (MDOC_BODY != node->type)
                    707:                return;
                    708:
                    709:        p->flags |= TERMP_NOSPACE;
                    710:        term_word(p, "\\(rq");
                    711: }
                    712:
                    713:
                    714: /* ARGSUSED */
                    715: static int
                    716: termp_it_pre(DECL_ARGS)
                    717: {
                    718:        const struct mdoc_node *bl, *n;
                    719:        char                    buf[7];
1.39      kristaps  720:        int                     i, type, keys[3], vals[3];
1.1       kristaps  721:        size_t                  width, offset;
                    722:
1.54      kristaps  723:        if (MDOC_BLOCK == node->type) {
                    724:                fmt_block_vspace(p, node->parent->parent, node);
                    725:                return(1);
                    726:        }
1.1       kristaps  727:
                    728:        bl = node->parent->parent->parent;
                    729:
                    730:        /* Save parent attributes. */
                    731:
                    732:        pair->flag = p->flags;
                    733:
                    734:        /* Get list width and offset. */
                    735:
                    736:        keys[0] = MDOC_Width;
                    737:        keys[1] = MDOC_Offset;
                    738:        keys[2] = MDOC_Column;
                    739:
                    740:        vals[0] = vals[1] = vals[2] = -1;
                    741:
                    742:        width = offset = 0;
                    743:
                    744:        (void)arg_getattrs(keys, vals, 3, bl);
                    745:
                    746:        type = arg_listtype(bl);
1.38      kristaps  747:        assert(-1 != type);
1.1       kristaps  748:
                    749:        /* Calculate real width and offset. */
                    750:
                    751:        switch (type) {
                    752:        case (MDOC_Column):
                    753:                if (MDOC_BODY == node->type)
                    754:                        break;
1.58      kristaps  755:                /*
                    756:                 * Work around groff's column handling.  The offset is
                    757:                 * equal to the sum of all widths leading to the current
                    758:                 * column (plus the -offset value).  If this column
                    759:                 * exceeds the stated number of columns, the width is
                    760:                 * set as 0, else it's the stated column width (later
                    761:                 * the 0 will be adjusted to default 10 or, if in the
                    762:                 * last column case, set to stretch to the margin).
                    763:                 */
1.74      kristaps  764:                for (i = 0, n = node->prev; n &&
1.78      kristaps  765:                                i < (int)bl->args->argv[vals[2]].sz;
1.58      kristaps  766:                                n = n->prev, i++)
1.1       kristaps  767:                        offset += arg_width
                    768:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  769:
                    770:                /* Whether exceeds maximum column. */
1.78      kristaps  771:                if (i < (int)bl->args->argv[vals[2]].sz)
1.58      kristaps  772:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    773:                else
                    774:                        width = 0;
                    775:
1.1       kristaps  776:                if (vals[1] >= 0)
                    777:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    778:                break;
                    779:        default:
                    780:                if (vals[0] >= 0)
                    781:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    782:                if (vals[1] >= 0)
1.19      kristaps  783:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  784:                break;
                    785:        }
                    786:
                    787:        /*
                    788:         * List-type can override the width in the case of fixed-head
                    789:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  790:         * offset.
1.1       kristaps  791:         */
                    792:
                    793:        switch (type) {
                    794:        case (MDOC_Bullet):
                    795:                /* FALLTHROUGH */
                    796:        case (MDOC_Dash):
                    797:                /* FALLTHROUGH */
                    798:        case (MDOC_Hyphen):
                    799:                if (width < 4)
                    800:                        width = 4;
                    801:                break;
1.17      kristaps  802:        case (MDOC_Enum):
                    803:                if (width < 5)
                    804:                        width = 5;
                    805:                break;
1.38      kristaps  806:        case (MDOC_Hang):
1.39      kristaps  807:                if (0 == width)
                    808:                        width = 8;
                    809:                break;
1.49      kristaps  810:        case (MDOC_Column):
                    811:                /* FALLTHROUGH */
1.1       kristaps  812:        case (MDOC_Tag):
                    813:                if (0 == width)
                    814:                        width = 10;
                    815:                break;
                    816:        default:
                    817:                break;
                    818:        }
                    819:
                    820:        /*
1.17      kristaps  821:         * Whitespace control.  Inset bodies need an initial space,
                    822:         * while diagonal bodies need two.
1.1       kristaps  823:         */
                    824:
1.51      kristaps  825:        p->flags |= TERMP_NOSPACE;
                    826:
1.1       kristaps  827:        switch (type) {
1.51      kristaps  828:        case (MDOC_Diag):
1.62      kristaps  829:                if (MDOC_BODY == node->type)
                    830:                        term_word(p, "\\ \\ ");
1.51      kristaps  831:                break;
1.1       kristaps  832:        case (MDOC_Inset):
                    833:                if (MDOC_BODY == node->type)
1.51      kristaps  834:                        term_word(p, "\\ ");
1.1       kristaps  835:                break;
                    836:        default:
                    837:                break;
                    838:        }
                    839:
1.51      kristaps  840:        p->flags |= TERMP_NOSPACE;
                    841:
1.1       kristaps  842:        switch (type) {
                    843:        case (MDOC_Diag):
                    844:                if (MDOC_HEAD == node->type)
1.69      kristaps  845:                        p->bold++;
1.1       kristaps  846:                break;
                    847:        default:
                    848:                break;
                    849:        }
                    850:
                    851:        /*
                    852:         * Pad and break control.  This is the tricker part.  Lists with
                    853:         * set right-margins for the head get TERMP_NOBREAK because, if
                    854:         * they overrun the margin, they wrap to the new margin.
                    855:         * Correspondingly, the body for these types don't left-pad, as
                    856:         * the head will pad out to to the right.
                    857:         */
                    858:
                    859:        switch (type) {
                    860:        case (MDOC_Bullet):
                    861:                /* FALLTHROUGH */
                    862:        case (MDOC_Dash):
                    863:                /* FALLTHROUGH */
                    864:        case (MDOC_Enum):
                    865:                /* FALLTHROUGH */
                    866:        case (MDOC_Hyphen):
1.39      kristaps  867:                if (MDOC_HEAD == node->type)
                    868:                        p->flags |= TERMP_NOBREAK;
                    869:                else
                    870:                        p->flags |= TERMP_NOLPAD;
                    871:                break;
1.38      kristaps  872:        case (MDOC_Hang):
1.39      kristaps  873:                if (MDOC_HEAD == node->type)
                    874:                        p->flags |= TERMP_NOBREAK;
                    875:                else
                    876:                        p->flags |= TERMP_NOLPAD;
                    877:
1.59      kristaps  878:                if (MDOC_HEAD != node->type)
                    879:                        break;
                    880:
                    881:                /*
                    882:                 * This is ugly.  If `-hang' is specified and the body
                    883:                 * is a `Bl' or `Bd', then we want basically to nullify
                    884:                 * the "overstep" effect in term_flushln() and treat
                    885:                 * this as a `-ohang' list instead.
                    886:                 */
                    887:                if (node->next->child &&
                    888:                                (MDOC_Bl == node->next->child->tok ||
                    889:                                 MDOC_Bd == node->next->child->tok)) {
                    890:                        p->flags &= ~TERMP_NOBREAK;
                    891:                        p->flags &= ~TERMP_NOLPAD;
                    892:                } else
1.39      kristaps  893:                        p->flags |= TERMP_HANG;
                    894:                break;
1.1       kristaps  895:        case (MDOC_Tag):
                    896:                if (MDOC_HEAD == node->type)
1.51      kristaps  897:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  898:                else
                    899:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  900:
1.39      kristaps  901:                if (MDOC_HEAD != node->type)
                    902:                        break;
                    903:                if (NULL == node->next || NULL == node->next->child)
                    904:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  905:                break;
                    906:        case (MDOC_Column):
                    907:                if (MDOC_HEAD == node->type) {
                    908:                        assert(node->next);
                    909:                        if (MDOC_BODY == node->next->type)
                    910:                                p->flags &= ~TERMP_NOBREAK;
                    911:                        else
                    912:                                p->flags |= TERMP_NOBREAK;
                    913:                        if (node->prev)
                    914:                                p->flags |= TERMP_NOLPAD;
                    915:                }
                    916:                break;
                    917:        case (MDOC_Diag):
                    918:                if (MDOC_HEAD == node->type)
                    919:                        p->flags |= TERMP_NOBREAK;
                    920:                break;
                    921:        default:
                    922:                break;
                    923:        }
                    924:
                    925:        /*
                    926:         * Margin control.  Set-head-width lists have their right
                    927:         * margins shortened.  The body for these lists has the offset
                    928:         * necessarily lengthened.  Everybody gets the offset.
                    929:         */
                    930:
                    931:        p->offset += offset;
                    932:
                    933:        switch (type) {
1.59      kristaps  934:        case (MDOC_Hang):
                    935:                /*
                    936:                 * Same stipulation as above, regarding `-hang'.  We
                    937:                 * don't want to recalculate rmargin and offsets when
                    938:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    939:                 */
                    940:                if (MDOC_HEAD == node->type && node->next->child &&
                    941:                                (MDOC_Bl == node->next->child->tok ||
                    942:                                 MDOC_Bd == node->next->child->tok))
                    943:                        break;
                    944:                /* FALLTHROUGH */
1.1       kristaps  945:        case (MDOC_Bullet):
                    946:                /* FALLTHROUGH */
                    947:        case (MDOC_Dash):
                    948:                /* FALLTHROUGH */
                    949:        case (MDOC_Enum):
                    950:                /* FALLTHROUGH */
                    951:        case (MDOC_Hyphen):
                    952:                /* FALLTHROUGH */
                    953:        case (MDOC_Tag):
1.49      kristaps  954:                assert(width);
1.1       kristaps  955:                if (MDOC_HEAD == node->type)
                    956:                        p->rmargin = p->offset + width;
                    957:                else
                    958:                        p->offset += width;
                    959:                break;
                    960:        case (MDOC_Column):
1.49      kristaps  961:                assert(width);
1.1       kristaps  962:                p->rmargin = p->offset + width;
1.50      kristaps  963:                /*
                    964:                 * XXX - this behaviour is not documented: the
                    965:                 * right-most column is filled to the right margin.
                    966:                 */
                    967:                if (MDOC_HEAD == node->type &&
                    968:                                MDOC_BODY == node->next->type)
                    969:                        p->rmargin = p->maxrmargin;
1.1       kristaps  970:                break;
                    971:        default:
                    972:                break;
                    973:        }
                    974:
                    975:        /*
                    976:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  977:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  978:         */
                    979:
                    980:        if (MDOC_HEAD == node->type)
                    981:                switch (type) {
                    982:                case (MDOC_Bullet):
1.69      kristaps  983:                        p->bold++;
1.1       kristaps  984:                        term_word(p, "\\[bu]");
1.69      kristaps  985:                        p->bold--;
1.1       kristaps  986:                        break;
                    987:                case (MDOC_Dash):
                    988:                        /* FALLTHROUGH */
                    989:                case (MDOC_Hyphen):
1.69      kristaps  990:                        p->bold++;
1.27      kristaps  991:                        term_word(p, "\\(hy");
1.69      kristaps  992:                        p->bold--;
1.1       kristaps  993:                        break;
                    994:                case (MDOC_Enum):
                    995:                        (pair->ppair->ppair->count)++;
                    996:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    997:                                        pair->ppair->ppair->count);
                    998:                        term_word(p, buf);
                    999:                        break;
                   1000:                default:
                   1001:                        break;
                   1002:                }
                   1003:
                   1004:        /*
                   1005:         * If we're not going to process our children, indicate so here.
                   1006:         */
                   1007:
                   1008:        switch (type) {
                   1009:        case (MDOC_Bullet):
                   1010:                /* FALLTHROUGH */
                   1011:        case (MDOC_Item):
                   1012:                /* FALLTHROUGH */
                   1013:        case (MDOC_Dash):
                   1014:                /* FALLTHROUGH */
                   1015:        case (MDOC_Hyphen):
                   1016:                /* FALLTHROUGH */
                   1017:        case (MDOC_Enum):
                   1018:                if (MDOC_HEAD == node->type)
                   1019:                        return(0);
                   1020:                break;
                   1021:        case (MDOC_Column):
                   1022:                if (MDOC_BODY == node->type)
                   1023:                        return(0);
                   1024:                break;
                   1025:        default:
                   1026:                break;
                   1027:        }
                   1028:
                   1029:        return(1);
                   1030: }
                   1031:
                   1032:
                   1033: /* ARGSUSED */
                   1034: static void
                   1035: termp_it_post(DECL_ARGS)
                   1036: {
                   1037:        int                type;
                   1038:
                   1039:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1040:                return;
                   1041:
                   1042:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1043:        assert(-1 != type);
1.1       kristaps 1044:
                   1045:        switch (type) {
                   1046:        case (MDOC_Item):
                   1047:                /* FALLTHROUGH */
1.53      kristaps 1048:        case (MDOC_Diag):
                   1049:                /* FALLTHROUGH */
1.1       kristaps 1050:        case (MDOC_Inset):
                   1051:                if (MDOC_BODY == node->type)
                   1052:                        term_flushln(p);
                   1053:                break;
                   1054:        case (MDOC_Column):
                   1055:                if (MDOC_HEAD == node->type)
                   1056:                        term_flushln(p);
                   1057:                break;
                   1058:        default:
                   1059:                term_flushln(p);
                   1060:                break;
                   1061:        }
                   1062:
                   1063:        p->flags = pair->flag;
                   1064: }
                   1065:
                   1066:
                   1067: /* ARGSUSED */
                   1068: static int
                   1069: termp_nm_pre(DECL_ARGS)
                   1070: {
                   1071:
                   1072:        if (SEC_SYNOPSIS == node->sec)
                   1073:                term_newln(p);
1.69      kristaps 1074:        p->bold++;
1.1       kristaps 1075:        if (NULL == node->child)
                   1076:                term_word(p, meta->name);
                   1077:        return(1);
                   1078: }
                   1079:
                   1080:
                   1081: /* ARGSUSED */
                   1082: static int
                   1083: termp_fl_pre(DECL_ARGS)
                   1084: {
                   1085:
1.69      kristaps 1086:        p->bold++;
1.1       kristaps 1087:        term_word(p, "\\-");
                   1088:        p->flags |= TERMP_NOSPACE;
                   1089:        return(1);
                   1090: }
                   1091:
                   1092:
                   1093: /* ARGSUSED */
                   1094: static int
1.61      kristaps 1095: termp_an_pre(DECL_ARGS)
                   1096: {
                   1097:
                   1098:        if (NULL == node->child)
                   1099:                return(1);
                   1100:
                   1101:        /*
                   1102:         * XXX: this is poorly documented.  If not in the AUTHORS
                   1103:         * section, `An -split' will cause newlines to occur before the
                   1104:         * author name.  If in the AUTHORS section, by default, the
                   1105:         * first `An' invocation is nosplit, then all subsequent ones,
                   1106:         * regardless of whether interspersed with other macros/text,
                   1107:         * are split.  -split, in this case, will override the condition
                   1108:         * of the implied first -nosplit.
                   1109:         */
                   1110:
                   1111:        if (node->sec == SEC_AUTHORS) {
                   1112:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1113:                        if (TERMP_SPLIT & p->flags)
                   1114:                                term_newln(p);
                   1115:                        return(1);
                   1116:                }
                   1117:                if (TERMP_NOSPLIT & p->flags)
                   1118:                        return(1);
                   1119:                term_newln(p);
                   1120:                return(1);
                   1121:        }
                   1122:
                   1123:        if (TERMP_SPLIT & p->flags)
                   1124:                term_newln(p);
                   1125:
                   1126:        return(1);
                   1127: }
                   1128:
                   1129:
                   1130: /* ARGSUSED */
                   1131: static void
                   1132: termp_an_post(DECL_ARGS)
                   1133: {
                   1134:
                   1135:        if (node->child) {
                   1136:                if (SEC_AUTHORS == node->sec)
                   1137:                        p->flags |= TERMP_ANPREC;
                   1138:                return;
                   1139:        }
                   1140:
                   1141:        if (arg_getattr(MDOC_Split, node) > -1) {
                   1142:                p->flags &= ~TERMP_NOSPLIT;
                   1143:                p->flags |= TERMP_SPLIT;
                   1144:        } else {
                   1145:                p->flags &= ~TERMP_SPLIT;
                   1146:                p->flags |= TERMP_NOSPLIT;
                   1147:        }
                   1148:
                   1149: }
                   1150:
                   1151:
                   1152: /* ARGSUSED */
                   1153: static int
1.1       kristaps 1154: termp_ns_pre(DECL_ARGS)
                   1155: {
                   1156:
                   1157:        p->flags |= TERMP_NOSPACE;
                   1158:        return(1);
                   1159: }
                   1160:
                   1161:
                   1162: /* ARGSUSED */
                   1163: static int
                   1164: termp_rs_pre(DECL_ARGS)
                   1165: {
                   1166:
1.80      kristaps 1167:        if (SEC_SEE_ALSO != node->sec)
                   1168:                return(1);
1.1       kristaps 1169:        if (MDOC_BLOCK == node->type && node->prev)
                   1170:                term_vspace(p);
                   1171:        return(1);
                   1172: }
                   1173:
                   1174:
                   1175: /* ARGSUSED */
                   1176: static int
                   1177: termp_rv_pre(DECL_ARGS)
                   1178: {
1.68      kristaps 1179:        const struct mdoc_node  *nn;
1.1       kristaps 1180:
                   1181:        term_newln(p);
                   1182:        term_word(p, "The");
                   1183:
1.68      kristaps 1184:        nn = node->child;
                   1185:        assert(nn);
                   1186:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1187:                p->bold++;
1.68      kristaps 1188:                term_word(p, nn->string);
1.69      kristaps 1189:                p->bold--;
1.68      kristaps 1190:                p->flags |= TERMP_NOSPACE;
                   1191:                if (nn->next && NULL == nn->next->next)
                   1192:                        term_word(p, "(), and");
                   1193:                else if (nn->next)
                   1194:                        term_word(p, "(),");
                   1195:                else
                   1196:                        term_word(p, "()");
                   1197:        }
                   1198:
                   1199:        if (node->child->next)
                   1200:                term_word(p, "functions return");
                   1201:        else
                   1202:                term_word(p, "function returns");
1.1       kristaps 1203:
1.68      kristaps 1204:                term_word(p, "the value 0 if successful; otherwise the value "
                   1205:                        "-1 is returned and the global variable");
1.1       kristaps 1206:
1.69      kristaps 1207:        p->under++;
1.1       kristaps 1208:        term_word(p, "errno");
1.69      kristaps 1209:        p->under--;
1.1       kristaps 1210:
                   1211:                term_word(p, "is set to indicate the error.");
                   1212:
1.68      kristaps 1213:        return(0);
1.1       kristaps 1214: }
                   1215:
                   1216:
                   1217: /* ARGSUSED */
                   1218: static int
                   1219: termp_ex_pre(DECL_ARGS)
                   1220: {
1.68      kristaps 1221:        const struct mdoc_node  *nn;
1.1       kristaps 1222:
1.68      kristaps 1223:        term_word(p, "The");
1.1       kristaps 1224:
1.68      kristaps 1225:        nn = node->child;
                   1226:        assert(nn);
                   1227:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1228:                p->bold++;
1.68      kristaps 1229:                term_word(p, nn->string);
1.69      kristaps 1230:                p->bold--;
1.68      kristaps 1231:                p->flags |= TERMP_NOSPACE;
                   1232:                if (nn->next && NULL == nn->next->next)
                   1233:                        term_word(p, ", and");
                   1234:                else if (nn->next)
                   1235:                        term_word(p, ",");
                   1236:                else
                   1237:                        p->flags &= ~TERMP_NOSPACE;
                   1238:        }
                   1239:
                   1240:        if (node->child->next)
                   1241:                term_word(p, "utilities exit");
                   1242:        else
                   1243:                term_word(p, "utility exits");
                   1244:
                   1245:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1246:
1.68      kristaps 1247:        return(0);
1.1       kristaps 1248: }
                   1249:
                   1250:
                   1251: /* ARGSUSED */
                   1252: static int
                   1253: termp_nd_pre(DECL_ARGS)
                   1254: {
1.25      kristaps 1255:
                   1256:        if (MDOC_BODY != node->type)
                   1257:                return(1);
1.30      kristaps 1258:
1.27      kristaps 1259: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1260:        term_word(p, "\\(en");
1.23      kristaps 1261: #else
                   1262:        term_word(p, "\\(em");
                   1263: #endif
1.1       kristaps 1264:        return(1);
                   1265: }
                   1266:
                   1267:
                   1268: /* ARGSUSED */
                   1269: static void
                   1270: termp_bl_post(DECL_ARGS)
                   1271: {
                   1272:
                   1273:        if (MDOC_BLOCK == node->type)
                   1274:                term_newln(p);
                   1275: }
                   1276:
                   1277:
                   1278: /* ARGSUSED */
                   1279: static void
                   1280: termp_op_post(DECL_ARGS)
                   1281: {
                   1282:
                   1283:        if (MDOC_BODY != node->type)
                   1284:                return;
                   1285:        p->flags |= TERMP_NOSPACE;
                   1286:        term_word(p, "\\(rB");
                   1287: }
                   1288:
                   1289:
                   1290: /* ARGSUSED */
                   1291: static int
                   1292: termp_xr_pre(DECL_ARGS)
                   1293: {
                   1294:        const struct mdoc_node *n;
                   1295:
1.11      kristaps 1296:        assert(node->child && MDOC_TEXT == node->child->type);
                   1297:        n = node->child;
                   1298:
1.1       kristaps 1299:        term_word(p, n->string);
                   1300:        if (NULL == (n = n->next))
                   1301:                return(0);
                   1302:        p->flags |= TERMP_NOSPACE;
                   1303:        term_word(p, "(");
                   1304:        p->flags |= TERMP_NOSPACE;
                   1305:        term_word(p, n->string);
                   1306:        p->flags |= TERMP_NOSPACE;
                   1307:        term_word(p, ")");
                   1308:        return(0);
                   1309: }
                   1310:
                   1311:
                   1312: /* ARGSUSED */
                   1313: static void
                   1314: termp_vt_post(DECL_ARGS)
                   1315: {
                   1316:
1.32      kristaps 1317:        if (node->sec != SEC_SYNOPSIS)
                   1318:                return;
                   1319:        if (node->next && MDOC_Vt == node->next->tok)
                   1320:                term_newln(p);
                   1321:        else if (node->next)
1.1       kristaps 1322:                term_vspace(p);
                   1323: }
                   1324:
                   1325:
                   1326: /* ARGSUSED */
                   1327: static int
1.69      kristaps 1328: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1329: {
                   1330:
1.69      kristaps 1331:        p->bold++;
1.1       kristaps 1332:        return(1);
                   1333: }
                   1334:
                   1335:
                   1336: /* ARGSUSED */
                   1337: static void
                   1338: termp_fd_post(DECL_ARGS)
                   1339: {
                   1340:
                   1341:        if (node->sec != SEC_SYNOPSIS)
                   1342:                return;
1.29      kristaps 1343:
1.1       kristaps 1344:        term_newln(p);
                   1345:        if (node->next && MDOC_Fd != node->next->tok)
                   1346:                term_vspace(p);
                   1347: }
                   1348:
                   1349:
                   1350: /* ARGSUSED */
                   1351: static int
                   1352: termp_sh_pre(DECL_ARGS)
                   1353: {
1.64      kristaps 1354:        /*
1.65      kristaps 1355:         * XXX: undocumented: using two `Sh' macros in sequence has no
                   1356:         * vspace between calls, only a newline.
1.64      kristaps 1357:         */
1.1       kristaps 1358:        switch (node->type) {
1.65      kristaps 1359:        case (MDOC_BLOCK):
                   1360:                if (node->prev && MDOC_Sh == node->prev->tok)
                   1361:                        if (NULL == node->prev->body->child)
                   1362:                                break;
                   1363:                term_vspace(p);
                   1364:                break;
1.1       kristaps 1365:        case (MDOC_HEAD):
1.69      kristaps 1366:                p->bold++;
1.1       kristaps 1367:                break;
                   1368:        case (MDOC_BODY):
                   1369:                p->offset = INDENT;
                   1370:                break;
                   1371:        default:
                   1372:                break;
                   1373:        }
                   1374:        return(1);
                   1375: }
                   1376:
                   1377:
                   1378: /* ARGSUSED */
                   1379: static void
                   1380: termp_sh_post(DECL_ARGS)
                   1381: {
                   1382:
                   1383:        switch (node->type) {
                   1384:        case (MDOC_HEAD):
                   1385:                term_newln(p);
                   1386:                break;
                   1387:        case (MDOC_BODY):
                   1388:                term_newln(p);
                   1389:                p->offset = 0;
                   1390:                break;
                   1391:        default:
                   1392:                break;
                   1393:        }
                   1394: }
                   1395:
                   1396:
                   1397: /* ARGSUSED */
                   1398: static int
                   1399: termp_op_pre(DECL_ARGS)
                   1400: {
                   1401:
                   1402:        switch (node->type) {
                   1403:        case (MDOC_BODY):
                   1404:                term_word(p, "\\(lB");
                   1405:                p->flags |= TERMP_NOSPACE;
                   1406:                break;
                   1407:        default:
                   1408:                break;
                   1409:        }
                   1410:        return(1);
                   1411: }
                   1412:
                   1413:
                   1414: /* ARGSUSED */
                   1415: static int
                   1416: termp_bt_pre(DECL_ARGS)
                   1417: {
                   1418:
                   1419:        term_word(p, "is currently in beta test.");
1.81      kristaps 1420:        return(0);
1.1       kristaps 1421: }
                   1422:
                   1423:
                   1424: /* ARGSUSED */
                   1425: static void
                   1426: termp_lb_post(DECL_ARGS)
                   1427: {
                   1428:
1.81      kristaps 1429:        if (SEC_LIBRARY == node->sec)
                   1430:                term_newln(p);
1.1       kristaps 1431: }
                   1432:
                   1433:
                   1434: /* ARGSUSED */
                   1435: static int
                   1436: termp_ud_pre(DECL_ARGS)
                   1437: {
                   1438:
                   1439:        term_word(p, "currently under development.");
                   1440:        return(1);
                   1441: }
                   1442:
                   1443:
                   1444: /* ARGSUSED */
                   1445: static int
                   1446: termp_d1_pre(DECL_ARGS)
                   1447: {
                   1448:
1.4       kristaps 1449:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1450:                return(1);
                   1451:        term_newln(p);
1.29      kristaps 1452:        p->offset += (INDENT + 1);
1.1       kristaps 1453:        return(1);
                   1454: }
                   1455:
                   1456:
                   1457: /* ARGSUSED */
                   1458: static void
                   1459: termp_d1_post(DECL_ARGS)
                   1460: {
                   1461:
1.4       kristaps 1462:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1463:                return;
                   1464:        term_newln(p);
                   1465: }
                   1466:
                   1467:
                   1468: /* ARGSUSED */
                   1469: static int
                   1470: termp_aq_pre(DECL_ARGS)
                   1471: {
                   1472:
                   1473:        if (MDOC_BODY != node->type)
                   1474:                return(1);
                   1475:        term_word(p, "\\(la");
                   1476:        p->flags |= TERMP_NOSPACE;
                   1477:        return(1);
                   1478: }
                   1479:
                   1480:
                   1481: /* ARGSUSED */
                   1482: static void
                   1483: termp_aq_post(DECL_ARGS)
                   1484: {
                   1485:
                   1486:        if (MDOC_BODY != node->type)
                   1487:                return;
                   1488:        p->flags |= TERMP_NOSPACE;
                   1489:        term_word(p, "\\(ra");
                   1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static int
                   1495: termp_ft_pre(DECL_ARGS)
                   1496: {
                   1497:
                   1498:        if (SEC_SYNOPSIS == node->sec)
                   1499:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1500:                        term_vspace(p);
1.69      kristaps 1501:        p->under++;
1.1       kristaps 1502:        return(1);
                   1503: }
                   1504:
                   1505:
                   1506: /* ARGSUSED */
                   1507: static void
                   1508: termp_ft_post(DECL_ARGS)
                   1509: {
                   1510:
                   1511:        if (SEC_SYNOPSIS == node->sec)
                   1512:                term_newln(p);
                   1513: }
                   1514:
                   1515:
                   1516: /* ARGSUSED */
                   1517: static int
                   1518: termp_fn_pre(DECL_ARGS)
                   1519: {
                   1520:        const struct mdoc_node *n;
                   1521:
1.69      kristaps 1522:        p->bold++;
1.1       kristaps 1523:        term_word(p, node->child->string);
1.69      kristaps 1524:        p->bold--;
1.1       kristaps 1525:
                   1526:        p->flags |= TERMP_NOSPACE;
                   1527:        term_word(p, "(");
                   1528:
                   1529:        for (n = node->child->next; n; n = n->next) {
1.69      kristaps 1530:                p->under++;
1.1       kristaps 1531:                term_word(p, n->string);
1.69      kristaps 1532:                p->under--;
1.1       kristaps 1533:                if (n->next)
                   1534:                        term_word(p, ",");
                   1535:        }
                   1536:
                   1537:        term_word(p, ")");
                   1538:
                   1539:        if (SEC_SYNOPSIS == node->sec)
                   1540:                term_word(p, ";");
                   1541:
                   1542:        return(0);
                   1543: }
                   1544:
                   1545:
                   1546: /* ARGSUSED */
                   1547: static void
                   1548: termp_fn_post(DECL_ARGS)
                   1549: {
                   1550:
                   1551:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1552:                term_vspace(p);
                   1553: }
                   1554:
                   1555:
                   1556: /* ARGSUSED */
                   1557: static int
                   1558: termp_fa_pre(DECL_ARGS)
                   1559: {
                   1560:        struct mdoc_node *n;
                   1561:
                   1562:        if (node->parent->tok != MDOC_Fo) {
1.69      kristaps 1563:                p->under++;
1.1       kristaps 1564:                return(1);
                   1565:        }
                   1566:
                   1567:        for (n = node->child; n; n = n->next) {
1.69      kristaps 1568:                p->under++;
1.1       kristaps 1569:                term_word(p, n->string);
1.69      kristaps 1570:                p->under--;
1.1       kristaps 1571:                if (n->next)
                   1572:                        term_word(p, ",");
                   1573:        }
                   1574:
                   1575:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1576:                term_word(p, ",");
                   1577:
                   1578:        return(0);
                   1579: }
                   1580:
                   1581:
                   1582: /* ARGSUSED */
                   1583: static int
                   1584: termp_bd_pre(DECL_ARGS)
                   1585: {
1.60      kristaps 1586:        int              i, type;
1.1       kristaps 1587:
                   1588:        /*
                   1589:         * This is fairly tricky due primarily to crappy documentation.
                   1590:         * If -ragged or -filled are specified, the block does nothing
                   1591:         * but change the indentation.
                   1592:         *
                   1593:         * If, on the other hand, -unfilled or -literal are specified,
                   1594:         * then the game changes.  Text is printed exactly as entered in
                   1595:         * the display: if a macro line, a newline is appended to the
                   1596:         * line.  Blank lines are allowed.
                   1597:         */
                   1598:
1.54      kristaps 1599:        if (MDOC_BLOCK == node->type) {
                   1600:                fmt_block_vspace(p, node, node);
                   1601:                return(1);
                   1602:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1603:                return(1);
                   1604:
1.60      kristaps 1605:        assert(node->parent->args);
1.11      kristaps 1606:
1.60      kristaps 1607:        for (type = -1, i = 0; -1 == type &&
1.1       kristaps 1608:                        i < (int)node->parent->args->argc; i++) {
                   1609:                switch (node->parent->args->argv[i].arg) {
                   1610:                case (MDOC_Ragged):
                   1611:                        /* FALLTHROUGH */
                   1612:                case (MDOC_Filled):
                   1613:                        /* FALLTHROUGH */
                   1614:                case (MDOC_Unfilled):
                   1615:                        /* FALLTHROUGH */
                   1616:                case (MDOC_Literal):
                   1617:                        type = node->parent->args->argv[i].arg;
                   1618:                        break;
                   1619:                default:
                   1620:                        break;
                   1621:                }
                   1622:        }
1.60      kristaps 1623:
                   1624:        assert(type > -1);
1.1       kristaps 1625:
                   1626:        i = arg_getattr(MDOC_Offset, node->parent);
1.60      kristaps 1627:        if (-1 != i)
1.1       kristaps 1628:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1629:
                   1630:        switch (type) {
                   1631:        case (MDOC_Literal):
                   1632:                /* FALLTHROUGH */
                   1633:        case (MDOC_Unfilled):
                   1634:                break;
                   1635:        default:
                   1636:                return(1);
                   1637:        }
                   1638:
                   1639:        for (node = node->child; node; node = node->next) {
1.60      kristaps 1640:                p->flags |= TERMP_NOSPACE;
                   1641:                print_node(p, pair, meta, node);
                   1642:                if (node->next)
1.1       kristaps 1643:                        term_flushln(p);
                   1644:        }
                   1645:
                   1646:        return(0);
                   1647: }
                   1648:
                   1649:
                   1650: /* ARGSUSED */
                   1651: static void
                   1652: termp_bd_post(DECL_ARGS)
                   1653: {
                   1654:
                   1655:        if (MDOC_BODY != node->type)
                   1656:                return;
1.60      kristaps 1657:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1658:        term_flushln(p);
                   1659: }
                   1660:
                   1661:
                   1662: /* ARGSUSED */
                   1663: static int
                   1664: termp_qq_pre(DECL_ARGS)
                   1665: {
                   1666:
                   1667:        if (MDOC_BODY != node->type)
                   1668:                return(1);
                   1669:        term_word(p, "\"");
                   1670:        p->flags |= TERMP_NOSPACE;
                   1671:        return(1);
                   1672: }
                   1673:
                   1674:
                   1675: /* ARGSUSED */
                   1676: static void
                   1677: termp_qq_post(DECL_ARGS)
                   1678: {
                   1679:
                   1680:        if (MDOC_BODY != node->type)
                   1681:                return;
                   1682:        p->flags |= TERMP_NOSPACE;
                   1683:        term_word(p, "\"");
                   1684: }
                   1685:
                   1686:
                   1687: /* ARGSUSED */
                   1688: static void
                   1689: termp_bx_post(DECL_ARGS)
                   1690: {
                   1691:
                   1692:        if (node->child)
                   1693:                p->flags |= TERMP_NOSPACE;
                   1694:        term_word(p, "BSD");
                   1695: }
                   1696:
                   1697:
                   1698: /* ARGSUSED */
                   1699: static int
1.26      kristaps 1700: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1701: {
1.26      kristaps 1702:        const char      *pp;
1.1       kristaps 1703:
1.26      kristaps 1704:        pp = NULL;
                   1705:        switch (node->tok) {
                   1706:        case (MDOC_Bsx):
                   1707:                pp = "BSDI BSD/OS";
                   1708:                break;
                   1709:        case (MDOC_Dx):
                   1710:                pp = "DragonFlyBSD";
                   1711:                break;
                   1712:        case (MDOC_Fx):
                   1713:                pp = "FreeBSD";
                   1714:                break;
                   1715:        case (MDOC_Nx):
                   1716:                pp = "NetBSD";
                   1717:                break;
                   1718:        case (MDOC_Ox):
                   1719:                pp = "OpenBSD";
                   1720:                break;
                   1721:        case (MDOC_Ux):
                   1722:                pp = "UNIX";
                   1723:                break;
                   1724:        default:
                   1725:                break;
                   1726:        }
1.1       kristaps 1727:
1.26      kristaps 1728:        assert(pp);
                   1729:        term_word(p, pp);
1.1       kristaps 1730:        return(1);
                   1731: }
                   1732:
                   1733:
                   1734: /* ARGSUSED */
                   1735: static int
                   1736: termp_sq_pre(DECL_ARGS)
                   1737: {
                   1738:
                   1739:        if (MDOC_BODY != node->type)
                   1740:                return(1);
                   1741:        term_word(p, "\\(oq");
                   1742:        p->flags |= TERMP_NOSPACE;
                   1743:        return(1);
                   1744: }
                   1745:
                   1746:
                   1747: /* ARGSUSED */
                   1748: static void
                   1749: termp_sq_post(DECL_ARGS)
                   1750: {
                   1751:
                   1752:        if (MDOC_BODY != node->type)
                   1753:                return;
                   1754:        p->flags |= TERMP_NOSPACE;
                   1755:        term_word(p, "\\(aq");
                   1756: }
                   1757:
                   1758:
                   1759: /* ARGSUSED */
                   1760: static int
                   1761: termp_pf_pre(DECL_ARGS)
                   1762: {
                   1763:
                   1764:        p->flags |= TERMP_IGNDELIM;
                   1765:        return(1);
                   1766: }
                   1767:
                   1768:
                   1769: /* ARGSUSED */
                   1770: static void
                   1771: termp_pf_post(DECL_ARGS)
                   1772: {
                   1773:
                   1774:        p->flags &= ~TERMP_IGNDELIM;
                   1775:        p->flags |= TERMP_NOSPACE;
                   1776: }
                   1777:
                   1778:
                   1779: /* ARGSUSED */
                   1780: static int
                   1781: termp_ss_pre(DECL_ARGS)
                   1782: {
                   1783:
                   1784:        switch (node->type) {
                   1785:        case (MDOC_BLOCK):
                   1786:                term_newln(p);
                   1787:                if (node->prev)
                   1788:                        term_vspace(p);
                   1789:                break;
                   1790:        case (MDOC_HEAD):
1.69      kristaps 1791:                p->bold++;
1.5       kristaps 1792:                p->offset = HALFINDENT;
1.1       kristaps 1793:                break;
                   1794:        default:
                   1795:                break;
                   1796:        }
                   1797:
                   1798:        return(1);
                   1799: }
                   1800:
                   1801:
                   1802: /* ARGSUSED */
                   1803: static void
                   1804: termp_ss_post(DECL_ARGS)
                   1805: {
                   1806:
1.29      kristaps 1807:        if (MDOC_HEAD == node->type)
1.1       kristaps 1808:                term_newln(p);
                   1809: }
                   1810:
                   1811:
                   1812: /* ARGSUSED */
                   1813: static int
                   1814: termp_cd_pre(DECL_ARGS)
                   1815: {
                   1816:
1.69      kristaps 1817:        p->bold++;
1.1       kristaps 1818:        term_newln(p);
                   1819:        return(1);
                   1820: }
                   1821:
                   1822:
                   1823: /* ARGSUSED */
                   1824: static int
                   1825: termp_in_pre(DECL_ARGS)
                   1826: {
                   1827:
1.69      kristaps 1828:        p->bold++;
1.22      kristaps 1829:        if (SEC_SYNOPSIS == node->sec)
                   1830:                term_word(p, "#include");
                   1831:
1.1       kristaps 1832:        term_word(p, "<");
                   1833:        p->flags |= TERMP_NOSPACE;
                   1834:        return(1);
                   1835: }
                   1836:
                   1837:
                   1838: /* ARGSUSED */
                   1839: static void
                   1840: termp_in_post(DECL_ARGS)
                   1841: {
                   1842:
1.69      kristaps 1843:        p->bold++;
1.79      kristaps 1844:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1845:        term_word(p, ">");
1.69      kristaps 1846:        p->bold--;
1.1       kristaps 1847:
                   1848:        if (SEC_SYNOPSIS != node->sec)
                   1849:                return;
1.22      kristaps 1850:
                   1851:        term_newln(p);
                   1852:        /*
                   1853:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1854:         * the SYNOPSIS section, then it produces a single break after
                   1855:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1856:         * construction is rarely used, I think it's fine.
                   1857:         */
1.1       kristaps 1858:        if (node->next && MDOC_In != node->next->tok)
                   1859:                term_vspace(p);
                   1860: }
                   1861:
                   1862:
                   1863: /* ARGSUSED */
                   1864: static int
1.45      kristaps 1865: termp_sp_pre(DECL_ARGS)
                   1866: {
                   1867:        int              i, len;
                   1868:
1.77      kristaps 1869:        switch (node->tok) {
1.76      kristaps 1870:        case (MDOC_sp):
                   1871:                len = node->child ? atoi(node->child->string) : 1;
                   1872:                break;
                   1873:        case (MDOC_br):
                   1874:                len = 0;
                   1875:                break;
                   1876:        default:
                   1877:                len = 1;
                   1878:                break;
1.45      kristaps 1879:        }
                   1880:
                   1881:        if (0 == len)
                   1882:                term_newln(p);
                   1883:        for (i = 0; i < len; i++)
                   1884:                term_vspace(p);
                   1885:
                   1886:        return(0);
                   1887: }
                   1888:
                   1889:
                   1890: /* ARGSUSED */
                   1891: static int
1.1       kristaps 1892: termp_brq_pre(DECL_ARGS)
                   1893: {
                   1894:
                   1895:        if (MDOC_BODY != node->type)
                   1896:                return(1);
                   1897:        term_word(p, "\\(lC");
                   1898:        p->flags |= TERMP_NOSPACE;
                   1899:        return(1);
                   1900: }
                   1901:
                   1902:
                   1903: /* ARGSUSED */
                   1904: static void
                   1905: termp_brq_post(DECL_ARGS)
                   1906: {
                   1907:
                   1908:        if (MDOC_BODY != node->type)
                   1909:                return;
                   1910:        p->flags |= TERMP_NOSPACE;
                   1911:        term_word(p, "\\(rC");
                   1912: }
                   1913:
                   1914:
                   1915: /* ARGSUSED */
                   1916: static int
                   1917: termp_bq_pre(DECL_ARGS)
                   1918: {
                   1919:
                   1920:        if (MDOC_BODY != node->type)
                   1921:                return(1);
                   1922:        term_word(p, "\\(lB");
                   1923:        p->flags |= TERMP_NOSPACE;
                   1924:        return(1);
                   1925: }
                   1926:
                   1927:
                   1928: /* ARGSUSED */
                   1929: static void
                   1930: termp_bq_post(DECL_ARGS)
                   1931: {
                   1932:
                   1933:        if (MDOC_BODY != node->type)
                   1934:                return;
                   1935:        p->flags |= TERMP_NOSPACE;
                   1936:        term_word(p, "\\(rB");
                   1937: }
                   1938:
                   1939:
                   1940: /* ARGSUSED */
                   1941: static int
                   1942: termp_pq_pre(DECL_ARGS)
                   1943: {
                   1944:
                   1945:        if (MDOC_BODY != node->type)
                   1946:                return(1);
                   1947:        term_word(p, "\\&(");
                   1948:        p->flags |= TERMP_NOSPACE;
                   1949:        return(1);
                   1950: }
                   1951:
                   1952:
                   1953: /* ARGSUSED */
                   1954: static void
                   1955: termp_pq_post(DECL_ARGS)
                   1956: {
                   1957:
                   1958:        if (MDOC_BODY != node->type)
                   1959:                return;
                   1960:        term_word(p, ")");
                   1961: }
                   1962:
                   1963:
                   1964: /* ARGSUSED */
                   1965: static int
                   1966: termp_fo_pre(DECL_ARGS)
                   1967: {
                   1968:        const struct mdoc_node *n;
                   1969:
                   1970:        if (MDOC_BODY == node->type) {
1.33      kristaps 1971:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1972:                term_word(p, "(");
                   1973:                p->flags |= TERMP_NOSPACE;
                   1974:                return(1);
                   1975:        } else if (MDOC_HEAD != node->type)
                   1976:                return(1);
                   1977:
1.69      kristaps 1978:        p->bold++;
1.1       kristaps 1979:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1980:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1981:                term_word(p, n->string);
                   1982:        }
1.69      kristaps 1983:        p->bold--;
1.1       kristaps 1984:
                   1985:        return(0);
                   1986: }
                   1987:
                   1988:
                   1989: /* ARGSUSED */
                   1990: static void
                   1991: termp_fo_post(DECL_ARGS)
                   1992: {
                   1993:
                   1994:        if (MDOC_BODY != node->type)
                   1995:                return;
                   1996:        p->flags |= TERMP_NOSPACE;
                   1997:        term_word(p, ")");
                   1998:        p->flags |= TERMP_NOSPACE;
                   1999:        term_word(p, ";");
                   2000:        term_newln(p);
                   2001: }
                   2002:
                   2003:
                   2004: /* ARGSUSED */
                   2005: static int
                   2006: termp_bf_pre(DECL_ARGS)
                   2007: {
                   2008:        const struct mdoc_node  *n;
                   2009:
1.28      kristaps 2010:        if (MDOC_HEAD == node->type)
1.1       kristaps 2011:                return(0);
1.28      kristaps 2012:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 2013:                return(1);
                   2014:
                   2015:        if (NULL == (n = node->head->child)) {
                   2016:                if (arg_hasattr(MDOC_Emphasis, node))
1.69      kristaps 2017:                        p->under++;
1.1       kristaps 2018:                else if (arg_hasattr(MDOC_Symbolic, node))
1.69      kristaps 2019:                        p->bold++;
1.1       kristaps 2020:
                   2021:                return(1);
                   2022:        }
                   2023:
1.11      kristaps 2024:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2025:        if (0 == strcmp("Em", n->string))
1.69      kristaps 2026:                p->under++;
1.1       kristaps 2027:        else if (0 == strcmp("Sy", n->string))
1.69      kristaps 2028:                p->bold++;
1.1       kristaps 2029:
                   2030:        return(1);
                   2031: }
                   2032:
                   2033:
                   2034: /* ARGSUSED */
                   2035: static int
                   2036: termp_sm_pre(DECL_ARGS)
                   2037: {
                   2038:
1.11      kristaps 2039:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2040:        if (0 == strcmp("on", node->child->string)) {
                   2041:                p->flags &= ~TERMP_NONOSPACE;
                   2042:                p->flags &= ~TERMP_NOSPACE;
                   2043:        } else
                   2044:                p->flags |= TERMP_NONOSPACE;
                   2045:
                   2046:        return(0);
                   2047: }
                   2048:
                   2049:
                   2050: /* ARGSUSED */
                   2051: static int
                   2052: termp_ap_pre(DECL_ARGS)
                   2053: {
                   2054:
                   2055:        p->flags |= TERMP_NOSPACE;
                   2056:        term_word(p, "\\(aq");
                   2057:        p->flags |= TERMP_NOSPACE;
                   2058:        return(1);
                   2059: }
                   2060:
                   2061:
                   2062: /* ARGSUSED */
                   2063: static void
                   2064: termp____post(DECL_ARGS)
                   2065: {
                   2066:
                   2067:        p->flags |= TERMP_NOSPACE;
                   2068:        term_word(p, node->next ? "," : ".");
                   2069: }
                   2070:
                   2071:
                   2072: /* ARGSUSED */
                   2073: static int
                   2074: termp_lk_pre(DECL_ARGS)
                   2075: {
                   2076:        const struct mdoc_node *n;
                   2077:
1.11      kristaps 2078:        assert(node->child);
                   2079:        n = node->child;
1.1       kristaps 2080:
1.12      kristaps 2081:        if (NULL == n->next) {
1.69      kristaps 2082:                p->under++;
1.12      kristaps 2083:                return(1);
                   2084:        }
                   2085:
1.69      kristaps 2086:        p->under++;
1.1       kristaps 2087:        term_word(p, n->string);
                   2088:        p->flags |= TERMP_NOSPACE;
                   2089:        term_word(p, ":");
1.69      kristaps 2090:        p->under--;
1.1       kristaps 2091:
1.69      kristaps 2092:        p->bold++;
1.12      kristaps 2093:        for (n = n->next; n; n = n->next)
1.1       kristaps 2094:                term_word(p, n->string);
1.69      kristaps 2095:        p->bold--;
1.12      kristaps 2096:
1.1       kristaps 2097:        return(0);
                   2098: }
                   2099:
                   2100:
                   2101: /* ARGSUSED */
                   2102: static int
1.69      kristaps 2103: termp_under_pre(DECL_ARGS)
1.1       kristaps 2104: {
                   2105:
1.69      kristaps 2106:        p->under++;
1.1       kristaps 2107:        return(1);
                   2108: }

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