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Annotation of mandoc/mdoc_term.c, Revision 1.85

1.85    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.84 2009/09/24 23:54:43 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <err.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
                     26: #include "term.h"
                     27: #include "mdoc.h"
                     28:
1.71      kristaps   29: /* FIXME: check HANG lists: they seem to be broken... :
                     30:  * .Bl -hang -width Ds
                     31:  * .It a
                     32:  * b
                     33:  * .It Fl f Ns Ar option...
                     34:  * Override default compiler behaviour.  See
                     35:  * .Sx Compiler Options
                     36:  * for details.
                     37:  * Override default compiler behaviour.  See
                     38:  * .Sx Compiler Options
                     39:  * for details.
                     40:  * Override default compiler behaviour.  See
                     41:  * .Sx Compiler Options
                     42:  * for details.
                     43:  * Override default compiler behaviour.  See
                     44:  * .Sx Compiler Options
                     45:  * for details.
                     46:  * .
                     47:  * .It a sasd fasd as afsd sfad sfds sadfs sd sfd ssfad asfd
                     48:  * Override default compiler behaviour.  See
                     49:  * .Sx Compiler Options
                     50:  * for details.
                     51:  * Override default compiler behaviour.  See
                     52:  * .Sx Compiler Options
                     53:  * for details.
                     54:  * Override default compiler behaviour.  See
                     55:  * .Sx Compiler Options
                     56:  * for details.
                     57:  * Override default compiler behaviour.  See
                     58:  * .Sx Compiler Options
                     59:  * for details.
                     60:  * .El
                     61:  *
                     62:  */
                     63:
1.66      kristaps   64: #define        INDENT            5
                     65: #define        HALFINDENT        3
                     66:
1.1       kristaps   67: struct termpair {
                     68:        struct termpair  *ppair;
1.31      kristaps   69:        int               flag;
                     70:        int               count;
1.1       kristaps   71: };
                     72:
1.31      kristaps   73: #define        DECL_ARGS struct termp *p, \
                     74:                  struct termpair *pair, \
                     75:                  const struct mdoc_meta *meta, \
                     76:                  const struct mdoc_node *node
1.1       kristaps   77:
                     78: struct termact {
                     79:        int     (*pre)(DECL_ARGS);
                     80:        void    (*post)(DECL_ARGS);
                     81: };
                     82:
1.31      kristaps   83: static void      termp____post(DECL_ARGS);
1.61      kristaps   84: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   85: static void      termp_aq_post(DECL_ARGS);
                     86: static void      termp_bd_post(DECL_ARGS);
                     87: static void      termp_bl_post(DECL_ARGS);
                     88: static void      termp_bq_post(DECL_ARGS);
                     89: static void      termp_brq_post(DECL_ARGS);
                     90: static void      termp_bx_post(DECL_ARGS);
                     91: static void      termp_d1_post(DECL_ARGS);
                     92: static void      termp_dq_post(DECL_ARGS);
                     93: static void      termp_fd_post(DECL_ARGS);
                     94: static void      termp_fn_post(DECL_ARGS);
                     95: static void      termp_fo_post(DECL_ARGS);
                     96: static void      termp_ft_post(DECL_ARGS);
                     97: static void      termp_in_post(DECL_ARGS);
                     98: static void      termp_it_post(DECL_ARGS);
                     99: static void      termp_lb_post(DECL_ARGS);
                    100: static void      termp_op_post(DECL_ARGS);
                    101: static void      termp_pf_post(DECL_ARGS);
                    102: static void      termp_pq_post(DECL_ARGS);
                    103: static void      termp_qq_post(DECL_ARGS);
                    104: static void      termp_sh_post(DECL_ARGS);
                    105: static void      termp_sq_post(DECL_ARGS);
                    106: static void      termp_ss_post(DECL_ARGS);
                    107: static void      termp_vt_post(DECL_ARGS);
                    108:
1.84      kristaps  109: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps  110: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps  111: static int       termp_ap_pre(DECL_ARGS);
                    112: static int       termp_aq_pre(DECL_ARGS);
                    113: static int       termp_bd_pre(DECL_ARGS);
                    114: static int       termp_bf_pre(DECL_ARGS);
1.69      kristaps  115: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  116: static int       termp_bq_pre(DECL_ARGS);
                    117: static int       termp_brq_pre(DECL_ARGS);
                    118: static int       termp_bt_pre(DECL_ARGS);
                    119: static int       termp_cd_pre(DECL_ARGS);
                    120: static int       termp_d1_pre(DECL_ARGS);
                    121: static int       termp_dq_pre(DECL_ARGS);
                    122: static int       termp_ex_pre(DECL_ARGS);
                    123: static int       termp_fa_pre(DECL_ARGS);
                    124: static int       termp_fl_pre(DECL_ARGS);
                    125: static int       termp_fn_pre(DECL_ARGS);
                    126: static int       termp_fo_pre(DECL_ARGS);
                    127: static int       termp_ft_pre(DECL_ARGS);
                    128: static int       termp_in_pre(DECL_ARGS);
                    129: static int       termp_it_pre(DECL_ARGS);
                    130: static int       termp_lk_pre(DECL_ARGS);
                    131: static int       termp_nd_pre(DECL_ARGS);
                    132: static int       termp_nm_pre(DECL_ARGS);
                    133: static int       termp_ns_pre(DECL_ARGS);
                    134: static int       termp_op_pre(DECL_ARGS);
                    135: static int       termp_pf_pre(DECL_ARGS);
                    136: static int       termp_pq_pre(DECL_ARGS);
                    137: static int       termp_qq_pre(DECL_ARGS);
                    138: static int       termp_rs_pre(DECL_ARGS);
                    139: static int       termp_rv_pre(DECL_ARGS);
                    140: static int       termp_sh_pre(DECL_ARGS);
                    141: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  142: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  143: static int       termp_sq_pre(DECL_ARGS);
                    144: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  145: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  146: static int       termp_ud_pre(DECL_ARGS);
                    147: static int       termp_xr_pre(DECL_ARGS);
                    148: static int       termp_xx_pre(DECL_ARGS);
                    149:
1.70      kristaps  150: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  151:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  152:        { NULL, NULL }, /* Dd */
                    153:        { NULL, NULL }, /* Dt */
                    154:        { NULL, NULL }, /* Os */
                    155:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    156:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  157:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  158:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    159:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    160:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    161:        { NULL, NULL }, /* Ed */
                    162:        { NULL, termp_bl_post }, /* Bl */
                    163:        { NULL, NULL }, /* El */
                    164:        { termp_it_pre, termp_it_post }, /* It */
                    165:        { NULL, NULL }, /* Ad */
1.61      kristaps  166:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  167:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  168:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  169:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  170:        { NULL, NULL }, /* Dv */
                    171:        { NULL, NULL }, /* Er */
                    172:        { NULL, NULL }, /* Ev */
                    173:        { termp_ex_pre, NULL }, /* Ex */
                    174:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  175:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  176:        { termp_fl_pre, NULL }, /* Fl */
                    177:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    178:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  179:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  180:        { termp_in_pre, termp_in_post }, /* In */
                    181:        { NULL, NULL }, /* Li */
                    182:        { termp_nd_pre, NULL }, /* Nd */
                    183:        { termp_nm_pre, NULL }, /* Nm */
                    184:        { termp_op_pre, termp_op_post }, /* Op */
                    185:        { NULL, NULL }, /* Ot */
1.69      kristaps  186:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  187:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  188:        { NULL, NULL }, /* St */
1.69      kristaps  189:        { termp_under_pre, NULL }, /* Va */
1.70      kristaps  190:        { termp_under_pre, termp_vt_post }, /* Vt */
1.1       kristaps  191:        { termp_xr_pre, NULL }, /* Xr */
                    192:        { NULL, termp____post }, /* %A */
1.84      kristaps  193:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  194:        { NULL, termp____post }, /* %D */
1.84      kristaps  195:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  196:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  197:        { NULL, termp____post }, /* %N */
                    198:        { NULL, termp____post }, /* %O */
                    199:        { NULL, termp____post }, /* %P */
                    200:        { NULL, termp____post }, /* %R */
1.84      kristaps  201:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  202:        { NULL, termp____post }, /* %V */
                    203:        { NULL, NULL }, /* Ac */
                    204:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    205:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  206:        { NULL, NULL }, /* At */
1.1       kristaps  207:        { NULL, NULL }, /* Bc */
                    208:        { termp_bf_pre, NULL }, /* Bf */
                    209:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    210:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  211:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  212:        { NULL, termp_bx_post }, /* Bx */
                    213:        { NULL, NULL }, /* Db */
                    214:        { NULL, NULL }, /* Dc */
                    215:        { termp_dq_pre, termp_dq_post }, /* Do */
                    216:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    217:        { NULL, NULL }, /* Ec */
                    218:        { NULL, NULL }, /* Ef */
1.69      kristaps  219:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  220:        { NULL, NULL }, /* Eo */
1.26      kristaps  221:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  222:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  223:        { NULL, NULL }, /* No */
                    224:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  225:        { termp_xx_pre, NULL }, /* Nx */
                    226:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  227:        { NULL, NULL }, /* Pc */
                    228:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    229:        { termp_pq_pre, termp_pq_post }, /* Po */
                    230:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    231:        { NULL, NULL }, /* Qc */
                    232:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    233:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    234:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    235:        { NULL, NULL }, /* Re */
                    236:        { termp_rs_pre, NULL }, /* Rs */
                    237:        { NULL, NULL }, /* Sc */
                    238:        { termp_sq_pre, termp_sq_post }, /* So */
                    239:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    240:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  241:        { termp_under_pre, NULL }, /* Sx */
                    242:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  243:        { NULL, NULL }, /* Tn */
1.26      kristaps  244:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  245:        { NULL, NULL }, /* Xc */
                    246:        { NULL, NULL }, /* Xo */
                    247:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    248:        { NULL, NULL }, /* Fc */
                    249:        { termp_op_pre, termp_op_post }, /* Oo */
                    250:        { NULL, NULL }, /* Oc */
                    251:        { NULL, NULL }, /* Bk */
                    252:        { NULL, NULL }, /* Ek */
                    253:        { termp_bt_pre, NULL }, /* Bt */
                    254:        { NULL, NULL }, /* Hf */
                    255:        { NULL, NULL }, /* Fr */
                    256:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  257:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  258:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  259:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  260:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  261:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    262:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    263:        { NULL, NULL }, /* Brc */
1.83      kristaps  264:        { NULL, termp____post }, /* %C */
1.81      kristaps  265:        { NULL, NULL }, /* Es */ /* TODO */
                    266:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  267:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  268:        { NULL, termp____post }, /* %Q */
1.76      kristaps  269:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  270:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  271: };
                    272:
1.2       kristaps  273: #ifdef __linux__
1.9       kristaps  274: extern size_t    strlcpy(char *, const char *, size_t);
                    275: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  276: #endif
                    277:
1.1       kristaps  278: static int       arg_hasattr(int, const struct mdoc_node *);
                    279: static int       arg_getattrs(const int *, int *, size_t,
                    280:                        const struct mdoc_node *);
                    281: static int       arg_getattr(int, const struct mdoc_node *);
                    282: static size_t    arg_offset(const struct mdoc_argv *);
                    283: static size_t    arg_width(const struct mdoc_argv *, int);
                    284: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  285: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  286:                        const struct mdoc_node *,
                    287:                        const struct mdoc_node *);
1.3       kristaps  288: static void      print_node(DECL_ARGS);
1.70      kristaps  289: static void      print_head(DECL_ARGS);
1.3       kristaps  290: static void      print_body(DECL_ARGS);
1.70      kristaps  291: static void      print_foot(DECL_ARGS);
1.1       kristaps  292:
                    293:
1.70      kristaps  294: void
                    295: mdoc_run(struct termp *p, const struct mdoc *mdoc)
1.1       kristaps  296: {
1.70      kristaps  297:        const struct mdoc_node  *n;
                    298:        const struct mdoc_meta  *m;
                    299:
                    300:        n = mdoc_node(mdoc);
                    301:        m = mdoc_meta(mdoc);
                    302:
                    303:        print_head(p, NULL, m, n);
                    304:        if (n->child)
                    305:                print_body(p, NULL, m, n->child);
                    306:        print_foot(p, NULL, m, n);
1.1       kristaps  307: }
                    308:
                    309:
1.3       kristaps  310: static void
1.1       kristaps  311: print_body(DECL_ARGS)
                    312: {
                    313:
1.3       kristaps  314:        print_node(p, pair, meta, node);
1.70      kristaps  315:        if (node->next)
                    316:                print_body(p, pair, meta, node->next);
1.1       kristaps  317: }
                    318:
                    319:
1.70      kristaps  320: /* ARGSUSED */
1.3       kristaps  321: static void
1.1       kristaps  322: print_node(DECL_ARGS)
                    323: {
1.70      kristaps  324:        int              chld, bold, under;
1.1       kristaps  325:        struct termpair  npair;
1.30      kristaps  326:        size_t           offset, rmargin;
1.1       kristaps  327:
1.70      kristaps  328:        chld = 1;
1.29      kristaps  329:        offset = p->offset;
1.30      kristaps  330:        rmargin = p->rmargin;
1.69      kristaps  331:        bold = p->bold;
                    332:        under = p->under;
1.29      kristaps  333:
1.70      kristaps  334:        bzero(&npair, sizeof(struct termpair));
1.1       kristaps  335:        npair.ppair = pair;
1.46      kristaps  336:
1.1       kristaps  337:        if (MDOC_TEXT != node->type) {
                    338:                if (termacts[node->tok].pre)
1.70      kristaps  339:                        chld = (*termacts[node->tok].pre)
                    340:                                (p, &npair, meta, node);
                    341:        } else
1.1       kristaps  342:                term_word(p, node->string);
                    343:
1.70      kristaps  344:        if (chld && node->child)
                    345:                print_body(p, &npair, meta, node->child);
1.1       kristaps  346:
1.70      kristaps  347:        /*
                    348:         * XXX - if bold/under were to span scopes, this wouldn't be
                    349:         * possible, but because decoration is always in-scope, we can
                    350:         * get away with this.
                    351:         */
1.1       kristaps  352:
1.69      kristaps  353:        p->bold = bold;
                    354:        p->under = under;
1.46      kristaps  355:
1.1       kristaps  356:        if (MDOC_TEXT != node->type)
                    357:                if (termacts[node->tok].post)
1.70      kristaps  358:                        (*termacts[node->tok].post)
                    359:                                (p, &npair, meta, node);
1.29      kristaps  360:
                    361:        p->offset = offset;
1.30      kristaps  362:        p->rmargin = rmargin;
1.1       kristaps  363: }
                    364:
                    365:
1.70      kristaps  366: /* ARGSUSED */
1.3       kristaps  367: static void
1.70      kristaps  368: print_foot(DECL_ARGS)
1.1       kristaps  369: {
                    370:        struct tm       *tm;
                    371:        char            *buf, *os;
                    372:
1.9       kristaps  373:        /*
                    374:         * Output the footer in new-groff style, that is, three columns
                    375:         * with the middle being the manual date and flanking columns
                    376:         * being the operating system:
                    377:         *
                    378:         * SYSTEM                  DATE                    SYSTEM
                    379:         */
                    380:
1.1       kristaps  381:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  382:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  383:        if (NULL == (os = malloc(p->rmargin)))
1.70      kristaps  384:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  385:
                    386:        tm = localtime(&meta->date);
                    387:
1.42      kristaps  388:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.70      kristaps  389:                err(EXIT_FAILURE, "strftime");
1.1       kristaps  390:
                    391:        (void)strlcpy(os, meta->os, p->rmargin);
                    392:
                    393:        term_vspace(p);
                    394:
1.9       kristaps  395:        p->offset = 0;
                    396:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  397:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    398:
                    399:        term_word(p, os);
                    400:        term_flushln(p);
                    401:
1.9       kristaps  402:        p->offset = p->rmargin;
                    403:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  404:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  405:
                    406:        term_word(p, buf);
                    407:        term_flushln(p);
                    408:
1.1       kristaps  409:        p->offset = p->rmargin;
                    410:        p->rmargin = p->maxrmargin;
                    411:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  412:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  413:
1.9       kristaps  414:        term_word(p, os);
1.1       kristaps  415:        term_flushln(p);
                    416:
1.9       kristaps  417:        p->offset = 0;
                    418:        p->rmargin = p->maxrmargin;
                    419:        p->flags = 0;
                    420:
1.1       kristaps  421:        free(buf);
                    422:        free(os);
                    423: }
                    424:
                    425:
1.75      kristaps  426: /* FIXME: put in utility library. */
1.70      kristaps  427: /* ARGSUSED */
1.3       kristaps  428: static void
1.70      kristaps  429: print_head(DECL_ARGS)
1.1       kristaps  430: {
                    431:        char            *buf, *title;
                    432:
                    433:        p->rmargin = p->maxrmargin;
                    434:        p->offset = 0;
                    435:
                    436:        if (NULL == (buf = malloc(p->rmargin)))
1.70      kristaps  437:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  438:        if (NULL == (title = malloc(p->rmargin)))
1.70      kristaps  439:                err(EXIT_FAILURE, "malloc");
1.1       kristaps  440:
                    441:        /*
                    442:         * The header is strange.  It has three components, which are
                    443:         * really two with the first duplicated.  It goes like this:
                    444:         *
                    445:         * IDENTIFIER              TITLE                   IDENTIFIER
                    446:         *
                    447:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    448:         * (if given, or "unknown" if not) followed by the manual page
                    449:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    450:         * string depending on the manual volume.  If not specified, it
                    451:         * switches on the manual section.
                    452:         */
                    453:
                    454:        assert(meta->vol);
                    455:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    456:
                    457:        if (meta->arch) {
                    458:                (void)strlcat(buf, " (", p->rmargin);
                    459:                (void)strlcat(buf, meta->arch, p->rmargin);
                    460:                (void)strlcat(buf, ")", p->rmargin);
                    461:        }
                    462:
1.70      kristaps  463:        snprintf(title, p->rmargin, "%s(%d)", meta->title, meta->msec);
1.1       kristaps  464:
                    465:        p->offset = 0;
1.8       kristaps  466:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  467:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    468:
                    469:        term_word(p, title);
                    470:        term_flushln(p);
                    471:
                    472:        p->offset = p->rmargin;
                    473:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  474:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  475:
                    476:        term_word(p, buf);
                    477:        term_flushln(p);
                    478:
                    479:        p->offset = p->rmargin;
                    480:        p->rmargin = p->maxrmargin;
                    481:        p->flags &= ~TERMP_NOBREAK;
                    482:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    483:
                    484:        term_word(p, title);
                    485:        term_flushln(p);
                    486:
1.9       kristaps  487:        p->offset = 0;
1.1       kristaps  488:        p->rmargin = p->maxrmargin;
                    489:        p->flags &= ~TERMP_NOSPACE;
                    490:
                    491:        free(title);
                    492:        free(buf);
                    493: }
                    494:
                    495:
1.72      kristaps  496: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  497: static size_t
                    498: arg_width(const struct mdoc_argv *arg, int pos)
                    499: {
                    500:        int              i, len;
1.40      kristaps  501:        const char      *p;
1.1       kristaps  502:
                    503:        assert(pos < (int)arg->sz && pos >= 0);
                    504:        assert(arg->value[pos]);
                    505:
1.40      kristaps  506:        p = arg->value[pos];
                    507:
                    508:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  509:                return(0);
                    510:
                    511:        for (i = 0; i < len - 1; i++)
1.40      kristaps  512:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  513:                        break;
                    514:
1.40      kristaps  515:        if (i == len - 1)
                    516:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    517:                        return((size_t)atoi(p) + 2);
1.1       kristaps  518:
1.40      kristaps  519:        return((size_t)len + 2);
1.1       kristaps  520: }
                    521:
                    522:
1.73      kristaps  523: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  524: static int
                    525: arg_listtype(const struct mdoc_node *n)
                    526: {
                    527:        int              i, len;
                    528:
                    529:        assert(MDOC_BLOCK == n->type);
                    530:
                    531:        len = (int)(n->args ? n->args->argc : 0);
                    532:
                    533:        for (i = 0; i < len; i++)
                    534:                switch (n->args->argv[i].arg) {
                    535:                case (MDOC_Bullet):
                    536:                        /* FALLTHROUGH */
                    537:                case (MDOC_Dash):
                    538:                        /* FALLTHROUGH */
                    539:                case (MDOC_Enum):
                    540:                        /* FALLTHROUGH */
                    541:                case (MDOC_Hyphen):
                    542:                        /* FALLTHROUGH */
                    543:                case (MDOC_Tag):
                    544:                        /* FALLTHROUGH */
                    545:                case (MDOC_Inset):
                    546:                        /* FALLTHROUGH */
                    547:                case (MDOC_Diag):
                    548:                        /* FALLTHROUGH */
                    549:                case (MDOC_Item):
                    550:                        /* FALLTHROUGH */
                    551:                case (MDOC_Column):
                    552:                        /* FALLTHROUGH */
1.38      kristaps  553:                case (MDOC_Hang):
                    554:                        /* FALLTHROUGH */
1.1       kristaps  555:                case (MDOC_Ohang):
                    556:                        return(n->args->argv[i].arg);
                    557:                default:
                    558:                        break;
                    559:                }
                    560:
1.38      kristaps  561:        return(-1);
1.1       kristaps  562: }
                    563:
                    564:
1.72      kristaps  565: /* FIXME: put in utility file for front-ends. */
1.1       kristaps  566: static size_t
                    567: arg_offset(const struct mdoc_argv *arg)
                    568: {
1.40      kristaps  569:        int              len, i;
                    570:        const char      *p;
1.1       kristaps  571:
                    572:        assert(*arg->value);
1.40      kristaps  573:        p = *arg->value;
                    574:
                    575:        if (0 == strcmp(p, "left"))
1.19      kristaps  576:                return(0);
1.40      kristaps  577:        if (0 == strcmp(p, "indent"))
1.16      kristaps  578:                return(INDENT + 1);
1.40      kristaps  579:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  580:                return((INDENT + 1) * 2);
1.10      kristaps  581:
1.40      kristaps  582:        if (0 == (len = (int)strlen(p)))
                    583:                return(0);
                    584:
                    585:        for (i = 0; i < len - 1; i++)
                    586:                if ( ! isdigit((u_char)p[i]))
                    587:                        break;
                    588:
                    589:        if (i == len - 1)
                    590:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    591:                        return((size_t)atoi(p));
1.11      kristaps  592:
1.40      kristaps  593:        return((size_t)len);
1.1       kristaps  594: }
                    595:
                    596:
                    597: static int
                    598: arg_hasattr(int arg, const struct mdoc_node *n)
                    599: {
                    600:
                    601:        return(-1 != arg_getattr(arg, n));
                    602: }
                    603:
                    604:
                    605: static int
                    606: arg_getattr(int v, const struct mdoc_node *n)
                    607: {
                    608:        int              val;
                    609:
                    610:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    611: }
                    612:
                    613:
                    614: static int
                    615: arg_getattrs(const int *keys, int *vals,
                    616:                size_t sz, const struct mdoc_node *n)
                    617: {
                    618:        int              i, j, k;
                    619:
                    620:        if (NULL == n->args)
                    621:                return(0);
                    622:
                    623:        for (k = i = 0; i < (int)n->args->argc; i++)
                    624:                for (j = 0; j < (int)sz; j++)
                    625:                        if (n->args->argv[i].arg == keys[j]) {
                    626:                                vals[j] = i;
                    627:                                k++;
                    628:                        }
                    629:        return(k);
                    630: }
                    631:
                    632:
                    633: /* ARGSUSED */
1.54      kristaps  634: static void
1.1       kristaps  635: fmt_block_vspace(struct termp *p,
                    636:                const struct mdoc_node *bl,
                    637:                const struct mdoc_node *node)
                    638: {
                    639:        const struct mdoc_node *n;
                    640:
                    641:        term_newln(p);
1.85    ! kristaps  642:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  643:                return;
                    644:
1.85    ! kristaps  645:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  646:
                    647:        for (n = node; n; n = n->parent) {
                    648:                if (MDOC_BLOCK != n->type)
                    649:                        continue;
                    650:                if (MDOC_Ss == n->tok)
1.54      kristaps  651:                        return;
1.1       kristaps  652:                if (MDOC_Sh == n->tok)
1.54      kristaps  653:                        return;
1.1       kristaps  654:                if (NULL == n->prev)
                    655:                        continue;
                    656:                break;
                    657:        }
                    658:
1.85    ! kristaps  659:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  660:
1.59      kristaps  661:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.54      kristaps  662:                if (node->prev && MDOC_It == node->prev->tok)
                    663:                        return;
                    664:
1.85    ! kristaps  665:        /* A `-diag' without body does not vspace. */
        !           666:
1.59      kristaps  667:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.55      kristaps  668:                if (node->prev && MDOC_It == node->prev->tok) {
                    669:                        assert(node->prev->body);
                    670:                        if (NULL == node->prev->body->child)
                    671:                                return;
                    672:                }
                    673:
1.54      kristaps  674:        term_vspace(p);
1.1       kristaps  675: }
                    676:
                    677:
                    678: /* ARGSUSED */
                    679: static int
                    680: termp_dq_pre(DECL_ARGS)
                    681: {
                    682:
                    683:        if (MDOC_BODY != node->type)
                    684:                return(1);
                    685:
                    686:        term_word(p, "\\(lq");
                    687:        p->flags |= TERMP_NOSPACE;
                    688:        return(1);
                    689: }
                    690:
                    691:
                    692: /* ARGSUSED */
                    693: static void
                    694: termp_dq_post(DECL_ARGS)
                    695: {
                    696:
                    697:        if (MDOC_BODY != node->type)
                    698:                return;
                    699:
                    700:        p->flags |= TERMP_NOSPACE;
                    701:        term_word(p, "\\(rq");
                    702: }
                    703:
                    704:
                    705: /* ARGSUSED */
                    706: static int
                    707: termp_it_pre(DECL_ARGS)
                    708: {
                    709:        const struct mdoc_node *bl, *n;
                    710:        char                    buf[7];
1.39      kristaps  711:        int                     i, type, keys[3], vals[3];
1.1       kristaps  712:        size_t                  width, offset;
                    713:
1.54      kristaps  714:        if (MDOC_BLOCK == node->type) {
                    715:                fmt_block_vspace(p, node->parent->parent, node);
                    716:                return(1);
                    717:        }
1.1       kristaps  718:
                    719:        bl = node->parent->parent->parent;
                    720:
                    721:        /* Save parent attributes. */
                    722:
                    723:        pair->flag = p->flags;
                    724:
                    725:        /* Get list width and offset. */
                    726:
                    727:        keys[0] = MDOC_Width;
                    728:        keys[1] = MDOC_Offset;
                    729:        keys[2] = MDOC_Column;
                    730:
                    731:        vals[0] = vals[1] = vals[2] = -1;
                    732:
                    733:        width = offset = 0;
                    734:
                    735:        (void)arg_getattrs(keys, vals, 3, bl);
                    736:
                    737:        type = arg_listtype(bl);
1.38      kristaps  738:        assert(-1 != type);
1.1       kristaps  739:
                    740:        /* Calculate real width and offset. */
                    741:
                    742:        switch (type) {
                    743:        case (MDOC_Column):
                    744:                if (MDOC_BODY == node->type)
                    745:                        break;
1.58      kristaps  746:                /*
                    747:                 * Work around groff's column handling.  The offset is
                    748:                 * equal to the sum of all widths leading to the current
                    749:                 * column (plus the -offset value).  If this column
                    750:                 * exceeds the stated number of columns, the width is
                    751:                 * set as 0, else it's the stated column width (later
                    752:                 * the 0 will be adjusted to default 10 or, if in the
                    753:                 * last column case, set to stretch to the margin).
                    754:                 */
1.74      kristaps  755:                for (i = 0, n = node->prev; n &&
1.78      kristaps  756:                                i < (int)bl->args->argv[vals[2]].sz;
1.58      kristaps  757:                                n = n->prev, i++)
1.1       kristaps  758:                        offset += arg_width
                    759:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  760:
                    761:                /* Whether exceeds maximum column. */
1.78      kristaps  762:                if (i < (int)bl->args->argv[vals[2]].sz)
1.58      kristaps  763:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    764:                else
                    765:                        width = 0;
                    766:
1.1       kristaps  767:                if (vals[1] >= 0)
                    768:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    769:                break;
                    770:        default:
                    771:                if (vals[0] >= 0)
                    772:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    773:                if (vals[1] >= 0)
1.19      kristaps  774:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  775:                break;
                    776:        }
                    777:
                    778:        /*
                    779:         * List-type can override the width in the case of fixed-head
                    780:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  781:         * offset.
1.1       kristaps  782:         */
                    783:
                    784:        switch (type) {
                    785:        case (MDOC_Bullet):
                    786:                /* FALLTHROUGH */
                    787:        case (MDOC_Dash):
                    788:                /* FALLTHROUGH */
                    789:        case (MDOC_Hyphen):
                    790:                if (width < 4)
                    791:                        width = 4;
                    792:                break;
1.17      kristaps  793:        case (MDOC_Enum):
                    794:                if (width < 5)
                    795:                        width = 5;
                    796:                break;
1.38      kristaps  797:        case (MDOC_Hang):
1.39      kristaps  798:                if (0 == width)
                    799:                        width = 8;
                    800:                break;
1.49      kristaps  801:        case (MDOC_Column):
                    802:                /* FALLTHROUGH */
1.1       kristaps  803:        case (MDOC_Tag):
                    804:                if (0 == width)
                    805:                        width = 10;
                    806:                break;
                    807:        default:
                    808:                break;
                    809:        }
                    810:
                    811:        /*
1.17      kristaps  812:         * Whitespace control.  Inset bodies need an initial space,
                    813:         * while diagonal bodies need two.
1.1       kristaps  814:         */
                    815:
1.51      kristaps  816:        p->flags |= TERMP_NOSPACE;
                    817:
1.1       kristaps  818:        switch (type) {
1.51      kristaps  819:        case (MDOC_Diag):
1.62      kristaps  820:                if (MDOC_BODY == node->type)
                    821:                        term_word(p, "\\ \\ ");
1.51      kristaps  822:                break;
1.1       kristaps  823:        case (MDOC_Inset):
                    824:                if (MDOC_BODY == node->type)
1.51      kristaps  825:                        term_word(p, "\\ ");
1.1       kristaps  826:                break;
                    827:        default:
                    828:                break;
                    829:        }
                    830:
1.51      kristaps  831:        p->flags |= TERMP_NOSPACE;
                    832:
1.1       kristaps  833:        switch (type) {
                    834:        case (MDOC_Diag):
                    835:                if (MDOC_HEAD == node->type)
1.69      kristaps  836:                        p->bold++;
1.1       kristaps  837:                break;
                    838:        default:
                    839:                break;
                    840:        }
                    841:
                    842:        /*
                    843:         * Pad and break control.  This is the tricker part.  Lists with
                    844:         * set right-margins for the head get TERMP_NOBREAK because, if
                    845:         * they overrun the margin, they wrap to the new margin.
                    846:         * Correspondingly, the body for these types don't left-pad, as
                    847:         * the head will pad out to to the right.
                    848:         */
                    849:
                    850:        switch (type) {
                    851:        case (MDOC_Bullet):
                    852:                /* FALLTHROUGH */
                    853:        case (MDOC_Dash):
                    854:                /* FALLTHROUGH */
                    855:        case (MDOC_Enum):
                    856:                /* FALLTHROUGH */
                    857:        case (MDOC_Hyphen):
1.39      kristaps  858:                if (MDOC_HEAD == node->type)
                    859:                        p->flags |= TERMP_NOBREAK;
                    860:                else
                    861:                        p->flags |= TERMP_NOLPAD;
                    862:                break;
1.38      kristaps  863:        case (MDOC_Hang):
1.39      kristaps  864:                if (MDOC_HEAD == node->type)
                    865:                        p->flags |= TERMP_NOBREAK;
                    866:                else
                    867:                        p->flags |= TERMP_NOLPAD;
                    868:
1.59      kristaps  869:                if (MDOC_HEAD != node->type)
                    870:                        break;
                    871:
                    872:                /*
                    873:                 * This is ugly.  If `-hang' is specified and the body
                    874:                 * is a `Bl' or `Bd', then we want basically to nullify
                    875:                 * the "overstep" effect in term_flushln() and treat
                    876:                 * this as a `-ohang' list instead.
                    877:                 */
                    878:                if (node->next->child &&
                    879:                                (MDOC_Bl == node->next->child->tok ||
                    880:                                 MDOC_Bd == node->next->child->tok)) {
                    881:                        p->flags &= ~TERMP_NOBREAK;
                    882:                        p->flags &= ~TERMP_NOLPAD;
                    883:                } else
1.39      kristaps  884:                        p->flags |= TERMP_HANG;
                    885:                break;
1.1       kristaps  886:        case (MDOC_Tag):
                    887:                if (MDOC_HEAD == node->type)
1.51      kristaps  888:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  889:                else
                    890:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  891:
1.39      kristaps  892:                if (MDOC_HEAD != node->type)
                    893:                        break;
                    894:                if (NULL == node->next || NULL == node->next->child)
                    895:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  896:                break;
                    897:        case (MDOC_Column):
                    898:                if (MDOC_HEAD == node->type) {
                    899:                        assert(node->next);
                    900:                        if (MDOC_BODY == node->next->type)
                    901:                                p->flags &= ~TERMP_NOBREAK;
                    902:                        else
                    903:                                p->flags |= TERMP_NOBREAK;
                    904:                        if (node->prev)
                    905:                                p->flags |= TERMP_NOLPAD;
                    906:                }
                    907:                break;
                    908:        case (MDOC_Diag):
                    909:                if (MDOC_HEAD == node->type)
                    910:                        p->flags |= TERMP_NOBREAK;
                    911:                break;
                    912:        default:
                    913:                break;
                    914:        }
                    915:
                    916:        /*
                    917:         * Margin control.  Set-head-width lists have their right
                    918:         * margins shortened.  The body for these lists has the offset
                    919:         * necessarily lengthened.  Everybody gets the offset.
                    920:         */
                    921:
                    922:        p->offset += offset;
                    923:
                    924:        switch (type) {
1.59      kristaps  925:        case (MDOC_Hang):
                    926:                /*
                    927:                 * Same stipulation as above, regarding `-hang'.  We
                    928:                 * don't want to recalculate rmargin and offsets when
                    929:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    930:                 */
                    931:                if (MDOC_HEAD == node->type && node->next->child &&
                    932:                                (MDOC_Bl == node->next->child->tok ||
                    933:                                 MDOC_Bd == node->next->child->tok))
                    934:                        break;
                    935:                /* FALLTHROUGH */
1.1       kristaps  936:        case (MDOC_Bullet):
                    937:                /* FALLTHROUGH */
                    938:        case (MDOC_Dash):
                    939:                /* FALLTHROUGH */
                    940:        case (MDOC_Enum):
                    941:                /* FALLTHROUGH */
                    942:        case (MDOC_Hyphen):
                    943:                /* FALLTHROUGH */
                    944:        case (MDOC_Tag):
1.49      kristaps  945:                assert(width);
1.1       kristaps  946:                if (MDOC_HEAD == node->type)
                    947:                        p->rmargin = p->offset + width;
                    948:                else
                    949:                        p->offset += width;
                    950:                break;
                    951:        case (MDOC_Column):
1.49      kristaps  952:                assert(width);
1.1       kristaps  953:                p->rmargin = p->offset + width;
1.50      kristaps  954:                /*
                    955:                 * XXX - this behaviour is not documented: the
                    956:                 * right-most column is filled to the right margin.
                    957:                 */
                    958:                if (MDOC_HEAD == node->type &&
                    959:                                MDOC_BODY == node->next->type)
                    960:                        p->rmargin = p->maxrmargin;
1.1       kristaps  961:                break;
                    962:        default:
                    963:                break;
                    964:        }
                    965:
                    966:        /*
                    967:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  968:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  969:         */
                    970:
                    971:        if (MDOC_HEAD == node->type)
                    972:                switch (type) {
                    973:                case (MDOC_Bullet):
1.69      kristaps  974:                        p->bold++;
1.1       kristaps  975:                        term_word(p, "\\[bu]");
1.69      kristaps  976:                        p->bold--;
1.1       kristaps  977:                        break;
                    978:                case (MDOC_Dash):
                    979:                        /* FALLTHROUGH */
                    980:                case (MDOC_Hyphen):
1.69      kristaps  981:                        p->bold++;
1.27      kristaps  982:                        term_word(p, "\\(hy");
1.69      kristaps  983:                        p->bold--;
1.1       kristaps  984:                        break;
                    985:                case (MDOC_Enum):
                    986:                        (pair->ppair->ppair->count)++;
                    987:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    988:                                        pair->ppair->ppair->count);
                    989:                        term_word(p, buf);
                    990:                        break;
                    991:                default:
                    992:                        break;
                    993:                }
                    994:
                    995:        /*
                    996:         * If we're not going to process our children, indicate so here.
                    997:         */
                    998:
                    999:        switch (type) {
                   1000:        case (MDOC_Bullet):
                   1001:                /* FALLTHROUGH */
                   1002:        case (MDOC_Item):
                   1003:                /* FALLTHROUGH */
                   1004:        case (MDOC_Dash):
                   1005:                /* FALLTHROUGH */
                   1006:        case (MDOC_Hyphen):
                   1007:                /* FALLTHROUGH */
                   1008:        case (MDOC_Enum):
                   1009:                if (MDOC_HEAD == node->type)
                   1010:                        return(0);
                   1011:                break;
                   1012:        case (MDOC_Column):
                   1013:                if (MDOC_BODY == node->type)
                   1014:                        return(0);
                   1015:                break;
                   1016:        default:
                   1017:                break;
                   1018:        }
                   1019:
                   1020:        return(1);
                   1021: }
                   1022:
                   1023:
                   1024: /* ARGSUSED */
                   1025: static void
                   1026: termp_it_post(DECL_ARGS)
                   1027: {
                   1028:        int                type;
                   1029:
                   1030:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1031:                return;
                   1032:
                   1033:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1034:        assert(-1 != type);
1.1       kristaps 1035:
                   1036:        switch (type) {
                   1037:        case (MDOC_Item):
                   1038:                /* FALLTHROUGH */
1.53      kristaps 1039:        case (MDOC_Diag):
                   1040:                /* FALLTHROUGH */
1.1       kristaps 1041:        case (MDOC_Inset):
                   1042:                if (MDOC_BODY == node->type)
                   1043:                        term_flushln(p);
                   1044:                break;
                   1045:        case (MDOC_Column):
                   1046:                if (MDOC_HEAD == node->type)
                   1047:                        term_flushln(p);
                   1048:                break;
                   1049:        default:
                   1050:                term_flushln(p);
                   1051:                break;
                   1052:        }
                   1053:
                   1054:        p->flags = pair->flag;
                   1055: }
                   1056:
                   1057:
                   1058: /* ARGSUSED */
                   1059: static int
                   1060: termp_nm_pre(DECL_ARGS)
                   1061: {
                   1062:
                   1063:        if (SEC_SYNOPSIS == node->sec)
                   1064:                term_newln(p);
1.69      kristaps 1065:        p->bold++;
1.1       kristaps 1066:        if (NULL == node->child)
                   1067:                term_word(p, meta->name);
                   1068:        return(1);
                   1069: }
                   1070:
                   1071:
                   1072: /* ARGSUSED */
                   1073: static int
                   1074: termp_fl_pre(DECL_ARGS)
                   1075: {
                   1076:
1.69      kristaps 1077:        p->bold++;
1.1       kristaps 1078:        term_word(p, "\\-");
                   1079:        p->flags |= TERMP_NOSPACE;
                   1080:        return(1);
                   1081: }
                   1082:
                   1083:
                   1084: /* ARGSUSED */
                   1085: static int
1.61      kristaps 1086: termp_an_pre(DECL_ARGS)
                   1087: {
                   1088:
                   1089:        if (NULL == node->child)
                   1090:                return(1);
                   1091:
                   1092:        /*
1.85    ! kristaps 1093:         * If not in the AUTHORS section, `An -split' will cause
        !          1094:         * newlines to occur before the author name.  If in the AUTHORS
        !          1095:         * section, by default, the first `An' invocation is nosplit,
        !          1096:         * then all subsequent ones, regardless of whether interspersed
        !          1097:         * with other macros/text, are split.  -split, in this case,
        !          1098:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1099:         */
                   1100:
                   1101:        if (node->sec == SEC_AUTHORS) {
                   1102:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1103:                        if (TERMP_SPLIT & p->flags)
                   1104:                                term_newln(p);
                   1105:                        return(1);
                   1106:                }
                   1107:                if (TERMP_NOSPLIT & p->flags)
                   1108:                        return(1);
                   1109:                term_newln(p);
                   1110:                return(1);
                   1111:        }
                   1112:
                   1113:        if (TERMP_SPLIT & p->flags)
                   1114:                term_newln(p);
                   1115:
                   1116:        return(1);
                   1117: }
                   1118:
                   1119:
                   1120: /* ARGSUSED */
                   1121: static void
                   1122: termp_an_post(DECL_ARGS)
                   1123: {
                   1124:
                   1125:        if (node->child) {
                   1126:                if (SEC_AUTHORS == node->sec)
                   1127:                        p->flags |= TERMP_ANPREC;
                   1128:                return;
                   1129:        }
                   1130:
                   1131:        if (arg_getattr(MDOC_Split, node) > -1) {
                   1132:                p->flags &= ~TERMP_NOSPLIT;
                   1133:                p->flags |= TERMP_SPLIT;
                   1134:        } else {
                   1135:                p->flags &= ~TERMP_SPLIT;
                   1136:                p->flags |= TERMP_NOSPLIT;
                   1137:        }
                   1138:
                   1139: }
                   1140:
                   1141:
                   1142: /* ARGSUSED */
                   1143: static int
1.1       kristaps 1144: termp_ns_pre(DECL_ARGS)
                   1145: {
                   1146:
                   1147:        p->flags |= TERMP_NOSPACE;
                   1148:        return(1);
                   1149: }
                   1150:
                   1151:
                   1152: /* ARGSUSED */
                   1153: static int
                   1154: termp_rs_pre(DECL_ARGS)
                   1155: {
                   1156:
1.80      kristaps 1157:        if (SEC_SEE_ALSO != node->sec)
                   1158:                return(1);
1.1       kristaps 1159:        if (MDOC_BLOCK == node->type && node->prev)
                   1160:                term_vspace(p);
                   1161:        return(1);
                   1162: }
                   1163:
                   1164:
                   1165: /* ARGSUSED */
                   1166: static int
                   1167: termp_rv_pre(DECL_ARGS)
                   1168: {
1.68      kristaps 1169:        const struct mdoc_node  *nn;
1.1       kristaps 1170:
                   1171:        term_newln(p);
                   1172:        term_word(p, "The");
                   1173:
1.68      kristaps 1174:        nn = node->child;
                   1175:        assert(nn);
                   1176:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1177:                p->bold++;
1.68      kristaps 1178:                term_word(p, nn->string);
1.69      kristaps 1179:                p->bold--;
1.68      kristaps 1180:                p->flags |= TERMP_NOSPACE;
                   1181:                if (nn->next && NULL == nn->next->next)
                   1182:                        term_word(p, "(), and");
                   1183:                else if (nn->next)
                   1184:                        term_word(p, "(),");
                   1185:                else
                   1186:                        term_word(p, "()");
                   1187:        }
                   1188:
                   1189:        if (node->child->next)
                   1190:                term_word(p, "functions return");
                   1191:        else
                   1192:                term_word(p, "function returns");
1.1       kristaps 1193:
1.68      kristaps 1194:                term_word(p, "the value 0 if successful; otherwise the value "
                   1195:                        "-1 is returned and the global variable");
1.1       kristaps 1196:
1.69      kristaps 1197:        p->under++;
1.1       kristaps 1198:        term_word(p, "errno");
1.69      kristaps 1199:        p->under--;
1.1       kristaps 1200:
                   1201:                term_word(p, "is set to indicate the error.");
                   1202:
1.68      kristaps 1203:        return(0);
1.1       kristaps 1204: }
                   1205:
                   1206:
                   1207: /* ARGSUSED */
                   1208: static int
                   1209: termp_ex_pre(DECL_ARGS)
                   1210: {
1.68      kristaps 1211:        const struct mdoc_node  *nn;
1.1       kristaps 1212:
1.68      kristaps 1213:        term_word(p, "The");
1.1       kristaps 1214:
1.68      kristaps 1215:        nn = node->child;
                   1216:        assert(nn);
                   1217:        for ( ; nn; nn = nn->next) {
1.69      kristaps 1218:                p->bold++;
1.68      kristaps 1219:                term_word(p, nn->string);
1.69      kristaps 1220:                p->bold--;
1.68      kristaps 1221:                p->flags |= TERMP_NOSPACE;
                   1222:                if (nn->next && NULL == nn->next->next)
                   1223:                        term_word(p, ", and");
                   1224:                else if (nn->next)
                   1225:                        term_word(p, ",");
                   1226:                else
                   1227:                        p->flags &= ~TERMP_NOSPACE;
                   1228:        }
                   1229:
                   1230:        if (node->child->next)
                   1231:                term_word(p, "utilities exit");
                   1232:        else
                   1233:                term_word(p, "utility exits");
                   1234:
                   1235:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1236:
1.68      kristaps 1237:        return(0);
1.1       kristaps 1238: }
                   1239:
                   1240:
                   1241: /* ARGSUSED */
                   1242: static int
                   1243: termp_nd_pre(DECL_ARGS)
                   1244: {
1.25      kristaps 1245:
                   1246:        if (MDOC_BODY != node->type)
                   1247:                return(1);
1.30      kristaps 1248:
1.27      kristaps 1249: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1250:        term_word(p, "\\(en");
1.23      kristaps 1251: #else
                   1252:        term_word(p, "\\(em");
                   1253: #endif
1.1       kristaps 1254:        return(1);
                   1255: }
                   1256:
                   1257:
                   1258: /* ARGSUSED */
                   1259: static void
                   1260: termp_bl_post(DECL_ARGS)
                   1261: {
                   1262:
                   1263:        if (MDOC_BLOCK == node->type)
                   1264:                term_newln(p);
                   1265: }
                   1266:
                   1267:
                   1268: /* ARGSUSED */
                   1269: static void
                   1270: termp_op_post(DECL_ARGS)
                   1271: {
                   1272:
                   1273:        if (MDOC_BODY != node->type)
                   1274:                return;
                   1275:        p->flags |= TERMP_NOSPACE;
                   1276:        term_word(p, "\\(rB");
                   1277: }
                   1278:
                   1279:
                   1280: /* ARGSUSED */
                   1281: static int
                   1282: termp_xr_pre(DECL_ARGS)
                   1283: {
                   1284:        const struct mdoc_node *n;
                   1285:
1.11      kristaps 1286:        assert(node->child && MDOC_TEXT == node->child->type);
                   1287:        n = node->child;
                   1288:
1.1       kristaps 1289:        term_word(p, n->string);
                   1290:        if (NULL == (n = n->next))
                   1291:                return(0);
                   1292:        p->flags |= TERMP_NOSPACE;
                   1293:        term_word(p, "(");
                   1294:        p->flags |= TERMP_NOSPACE;
                   1295:        term_word(p, n->string);
                   1296:        p->flags |= TERMP_NOSPACE;
                   1297:        term_word(p, ")");
                   1298:        return(0);
                   1299: }
                   1300:
                   1301:
                   1302: /* ARGSUSED */
                   1303: static void
                   1304: termp_vt_post(DECL_ARGS)
                   1305: {
                   1306:
1.32      kristaps 1307:        if (node->sec != SEC_SYNOPSIS)
                   1308:                return;
                   1309:        if (node->next && MDOC_Vt == node->next->tok)
                   1310:                term_newln(p);
                   1311:        else if (node->next)
1.1       kristaps 1312:                term_vspace(p);
                   1313: }
                   1314:
                   1315:
                   1316: /* ARGSUSED */
                   1317: static int
1.69      kristaps 1318: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1319: {
                   1320:
1.69      kristaps 1321:        p->bold++;
1.1       kristaps 1322:        return(1);
                   1323: }
                   1324:
                   1325:
                   1326: /* ARGSUSED */
                   1327: static void
                   1328: termp_fd_post(DECL_ARGS)
                   1329: {
                   1330:
                   1331:        if (node->sec != SEC_SYNOPSIS)
                   1332:                return;
1.29      kristaps 1333:
1.1       kristaps 1334:        term_newln(p);
                   1335:        if (node->next && MDOC_Fd != node->next->tok)
                   1336:                term_vspace(p);
                   1337: }
                   1338:
                   1339:
                   1340: /* ARGSUSED */
                   1341: static int
                   1342: termp_sh_pre(DECL_ARGS)
                   1343: {
1.85    ! kristaps 1344:
        !          1345:        /* No vspace between consecutive `Sh' calls. */
        !          1346:
1.1       kristaps 1347:        switch (node->type) {
1.65      kristaps 1348:        case (MDOC_BLOCK):
                   1349:                if (node->prev && MDOC_Sh == node->prev->tok)
                   1350:                        if (NULL == node->prev->body->child)
                   1351:                                break;
                   1352:                term_vspace(p);
                   1353:                break;
1.1       kristaps 1354:        case (MDOC_HEAD):
1.69      kristaps 1355:                p->bold++;
1.1       kristaps 1356:                break;
                   1357:        case (MDOC_BODY):
                   1358:                p->offset = INDENT;
                   1359:                break;
                   1360:        default:
                   1361:                break;
                   1362:        }
                   1363:        return(1);
                   1364: }
                   1365:
                   1366:
                   1367: /* ARGSUSED */
                   1368: static void
                   1369: termp_sh_post(DECL_ARGS)
                   1370: {
                   1371:
                   1372:        switch (node->type) {
                   1373:        case (MDOC_HEAD):
                   1374:                term_newln(p);
                   1375:                break;
                   1376:        case (MDOC_BODY):
                   1377:                term_newln(p);
                   1378:                p->offset = 0;
                   1379:                break;
                   1380:        default:
                   1381:                break;
                   1382:        }
                   1383: }
                   1384:
                   1385:
                   1386: /* ARGSUSED */
                   1387: static int
                   1388: termp_op_pre(DECL_ARGS)
                   1389: {
                   1390:
                   1391:        switch (node->type) {
                   1392:        case (MDOC_BODY):
                   1393:                term_word(p, "\\(lB");
                   1394:                p->flags |= TERMP_NOSPACE;
                   1395:                break;
                   1396:        default:
                   1397:                break;
                   1398:        }
                   1399:        return(1);
                   1400: }
                   1401:
                   1402:
                   1403: /* ARGSUSED */
                   1404: static int
                   1405: termp_bt_pre(DECL_ARGS)
                   1406: {
                   1407:
                   1408:        term_word(p, "is currently in beta test.");
1.81      kristaps 1409:        return(0);
1.1       kristaps 1410: }
                   1411:
                   1412:
                   1413: /* ARGSUSED */
                   1414: static void
                   1415: termp_lb_post(DECL_ARGS)
                   1416: {
                   1417:
1.81      kristaps 1418:        if (SEC_LIBRARY == node->sec)
                   1419:                term_newln(p);
1.1       kristaps 1420: }
                   1421:
                   1422:
                   1423: /* ARGSUSED */
                   1424: static int
                   1425: termp_ud_pre(DECL_ARGS)
                   1426: {
                   1427:
                   1428:        term_word(p, "currently under development.");
                   1429:        return(1);
                   1430: }
                   1431:
                   1432:
                   1433: /* ARGSUSED */
                   1434: static int
                   1435: termp_d1_pre(DECL_ARGS)
                   1436: {
                   1437:
1.4       kristaps 1438:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1439:                return(1);
                   1440:        term_newln(p);
1.29      kristaps 1441:        p->offset += (INDENT + 1);
1.1       kristaps 1442:        return(1);
                   1443: }
                   1444:
                   1445:
                   1446: /* ARGSUSED */
                   1447: static void
                   1448: termp_d1_post(DECL_ARGS)
                   1449: {
                   1450:
1.4       kristaps 1451:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1452:                return;
                   1453:        term_newln(p);
                   1454: }
                   1455:
                   1456:
                   1457: /* ARGSUSED */
                   1458: static int
                   1459: termp_aq_pre(DECL_ARGS)
                   1460: {
                   1461:
                   1462:        if (MDOC_BODY != node->type)
                   1463:                return(1);
                   1464:        term_word(p, "\\(la");
                   1465:        p->flags |= TERMP_NOSPACE;
                   1466:        return(1);
                   1467: }
                   1468:
                   1469:
                   1470: /* ARGSUSED */
                   1471: static void
                   1472: termp_aq_post(DECL_ARGS)
                   1473: {
                   1474:
                   1475:        if (MDOC_BODY != node->type)
                   1476:                return;
                   1477:        p->flags |= TERMP_NOSPACE;
                   1478:        term_word(p, "\\(ra");
                   1479: }
                   1480:
                   1481:
                   1482: /* ARGSUSED */
                   1483: static int
                   1484: termp_ft_pre(DECL_ARGS)
                   1485: {
                   1486:
                   1487:        if (SEC_SYNOPSIS == node->sec)
                   1488:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1489:                        term_vspace(p);
1.69      kristaps 1490:        p->under++;
1.1       kristaps 1491:        return(1);
                   1492: }
                   1493:
                   1494:
                   1495: /* ARGSUSED */
                   1496: static void
                   1497: termp_ft_post(DECL_ARGS)
                   1498: {
                   1499:
                   1500:        if (SEC_SYNOPSIS == node->sec)
                   1501:                term_newln(p);
                   1502: }
                   1503:
                   1504:
                   1505: /* ARGSUSED */
                   1506: static int
                   1507: termp_fn_pre(DECL_ARGS)
                   1508: {
                   1509:        const struct mdoc_node *n;
                   1510:
1.69      kristaps 1511:        p->bold++;
1.1       kristaps 1512:        term_word(p, node->child->string);
1.69      kristaps 1513:        p->bold--;
1.1       kristaps 1514:
                   1515:        p->flags |= TERMP_NOSPACE;
                   1516:        term_word(p, "(");
                   1517:
                   1518:        for (n = node->child->next; n; n = n->next) {
1.69      kristaps 1519:                p->under++;
1.1       kristaps 1520:                term_word(p, n->string);
1.69      kristaps 1521:                p->under--;
1.1       kristaps 1522:                if (n->next)
                   1523:                        term_word(p, ",");
                   1524:        }
                   1525:
                   1526:        term_word(p, ")");
                   1527:
                   1528:        if (SEC_SYNOPSIS == node->sec)
                   1529:                term_word(p, ";");
                   1530:
                   1531:        return(0);
                   1532: }
                   1533:
                   1534:
                   1535: /* ARGSUSED */
                   1536: static void
                   1537: termp_fn_post(DECL_ARGS)
                   1538: {
                   1539:
                   1540:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1541:                term_vspace(p);
                   1542: }
                   1543:
                   1544:
                   1545: /* ARGSUSED */
                   1546: static int
                   1547: termp_fa_pre(DECL_ARGS)
                   1548: {
                   1549:        struct mdoc_node *n;
                   1550:
                   1551:        if (node->parent->tok != MDOC_Fo) {
1.69      kristaps 1552:                p->under++;
1.1       kristaps 1553:                return(1);
                   1554:        }
                   1555:
                   1556:        for (n = node->child; n; n = n->next) {
1.69      kristaps 1557:                p->under++;
1.1       kristaps 1558:                term_word(p, n->string);
1.69      kristaps 1559:                p->under--;
1.1       kristaps 1560:                if (n->next)
                   1561:                        term_word(p, ",");
                   1562:        }
                   1563:
                   1564:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1565:                term_word(p, ",");
                   1566:
                   1567:        return(0);
                   1568: }
                   1569:
                   1570:
                   1571: /* ARGSUSED */
                   1572: static int
                   1573: termp_bd_pre(DECL_ARGS)
                   1574: {
1.85    ! kristaps 1575:        int                      i, type;
        !          1576:        const struct mdoc_node  *nn;
1.1       kristaps 1577:
1.54      kristaps 1578:        if (MDOC_BLOCK == node->type) {
                   1579:                fmt_block_vspace(p, node, node);
                   1580:                return(1);
                   1581:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1582:                return(1);
                   1583:
1.85    ! kristaps 1584:        nn = node->parent;
1.11      kristaps 1585:
1.85    ! kristaps 1586:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
        !          1587:                switch (nn->args->argv[i].arg) {
1.1       kristaps 1588:                case (MDOC_Ragged):
                   1589:                        /* FALLTHROUGH */
                   1590:                case (MDOC_Filled):
                   1591:                        /* FALLTHROUGH */
                   1592:                case (MDOC_Unfilled):
                   1593:                        /* FALLTHROUGH */
                   1594:                case (MDOC_Literal):
1.85    ! kristaps 1595:                        type = nn->args->argv[i].arg;
        !          1596:                        break;
        !          1597:                case (MDOC_Offset):
        !          1598:                        p->offset += arg_offset(&nn->args->argv[i]);
1.1       kristaps 1599:                        break;
                   1600:                default:
                   1601:                        break;
                   1602:                }
                   1603:        }
1.85    ! kristaps 1604:
        !          1605:        /*
        !          1606:         * If -ragged or -filled are specified, the block does nothing
        !          1607:         * but change the indentation.  If -unfilled or -literal are
        !          1608:         * specified, text is printed exactly as entered in the display:
        !          1609:         * for macro lines, a newline is appended to the line.  Blank
        !          1610:         * lines are allowed.
        !          1611:         */
1.60      kristaps 1612:
                   1613:        assert(type > -1);
1.85    ! kristaps 1614:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1615:                return(1);
                   1616:
1.85    ! kristaps 1617:        for (nn = node->child; nn; nn = nn->next) {
        !          1618:                print_node(p, pair, meta, nn);
        !          1619:                if (NULL == nn->next)
        !          1620:                        continue;
        !          1621:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1622:                        term_flushln(p);
                   1623:        }
                   1624:
                   1625:        return(0);
                   1626: }
                   1627:
                   1628:
                   1629: /* ARGSUSED */
                   1630: static void
                   1631: termp_bd_post(DECL_ARGS)
                   1632: {
                   1633:
                   1634:        if (MDOC_BODY != node->type)
                   1635:                return;
1.60      kristaps 1636:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1637:        term_flushln(p);
                   1638: }
                   1639:
                   1640:
                   1641: /* ARGSUSED */
                   1642: static int
                   1643: termp_qq_pre(DECL_ARGS)
                   1644: {
                   1645:
                   1646:        if (MDOC_BODY != node->type)
                   1647:                return(1);
                   1648:        term_word(p, "\"");
                   1649:        p->flags |= TERMP_NOSPACE;
                   1650:        return(1);
                   1651: }
                   1652:
                   1653:
                   1654: /* ARGSUSED */
                   1655: static void
                   1656: termp_qq_post(DECL_ARGS)
                   1657: {
                   1658:
                   1659:        if (MDOC_BODY != node->type)
                   1660:                return;
                   1661:        p->flags |= TERMP_NOSPACE;
                   1662:        term_word(p, "\"");
                   1663: }
                   1664:
                   1665:
                   1666: /* ARGSUSED */
                   1667: static void
                   1668: termp_bx_post(DECL_ARGS)
                   1669: {
                   1670:
                   1671:        if (node->child)
                   1672:                p->flags |= TERMP_NOSPACE;
                   1673:        term_word(p, "BSD");
                   1674: }
                   1675:
                   1676:
                   1677: /* ARGSUSED */
                   1678: static int
1.26      kristaps 1679: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1680: {
1.26      kristaps 1681:        const char      *pp;
1.1       kristaps 1682:
1.26      kristaps 1683:        pp = NULL;
                   1684:        switch (node->tok) {
                   1685:        case (MDOC_Bsx):
                   1686:                pp = "BSDI BSD/OS";
                   1687:                break;
                   1688:        case (MDOC_Dx):
                   1689:                pp = "DragonFlyBSD";
                   1690:                break;
                   1691:        case (MDOC_Fx):
                   1692:                pp = "FreeBSD";
                   1693:                break;
                   1694:        case (MDOC_Nx):
                   1695:                pp = "NetBSD";
                   1696:                break;
                   1697:        case (MDOC_Ox):
                   1698:                pp = "OpenBSD";
                   1699:                break;
                   1700:        case (MDOC_Ux):
                   1701:                pp = "UNIX";
                   1702:                break;
                   1703:        default:
                   1704:                break;
                   1705:        }
1.1       kristaps 1706:
1.26      kristaps 1707:        assert(pp);
                   1708:        term_word(p, pp);
1.1       kristaps 1709:        return(1);
                   1710: }
                   1711:
                   1712:
                   1713: /* ARGSUSED */
                   1714: static int
                   1715: termp_sq_pre(DECL_ARGS)
                   1716: {
                   1717:
                   1718:        if (MDOC_BODY != node->type)
                   1719:                return(1);
                   1720:        term_word(p, "\\(oq");
                   1721:        p->flags |= TERMP_NOSPACE;
                   1722:        return(1);
                   1723: }
                   1724:
                   1725:
                   1726: /* ARGSUSED */
                   1727: static void
                   1728: termp_sq_post(DECL_ARGS)
                   1729: {
                   1730:
                   1731:        if (MDOC_BODY != node->type)
                   1732:                return;
                   1733:        p->flags |= TERMP_NOSPACE;
                   1734:        term_word(p, "\\(aq");
                   1735: }
                   1736:
                   1737:
                   1738: /* ARGSUSED */
                   1739: static int
                   1740: termp_pf_pre(DECL_ARGS)
                   1741: {
                   1742:
                   1743:        p->flags |= TERMP_IGNDELIM;
                   1744:        return(1);
                   1745: }
                   1746:
                   1747:
                   1748: /* ARGSUSED */
                   1749: static void
                   1750: termp_pf_post(DECL_ARGS)
                   1751: {
                   1752:
                   1753:        p->flags &= ~TERMP_IGNDELIM;
                   1754:        p->flags |= TERMP_NOSPACE;
                   1755: }
                   1756:
                   1757:
                   1758: /* ARGSUSED */
                   1759: static int
                   1760: termp_ss_pre(DECL_ARGS)
                   1761: {
                   1762:
                   1763:        switch (node->type) {
                   1764:        case (MDOC_BLOCK):
                   1765:                term_newln(p);
                   1766:                if (node->prev)
                   1767:                        term_vspace(p);
                   1768:                break;
                   1769:        case (MDOC_HEAD):
1.69      kristaps 1770:                p->bold++;
1.5       kristaps 1771:                p->offset = HALFINDENT;
1.1       kristaps 1772:                break;
                   1773:        default:
                   1774:                break;
                   1775:        }
                   1776:
                   1777:        return(1);
                   1778: }
                   1779:
                   1780:
                   1781: /* ARGSUSED */
                   1782: static void
                   1783: termp_ss_post(DECL_ARGS)
                   1784: {
                   1785:
1.29      kristaps 1786:        if (MDOC_HEAD == node->type)
1.1       kristaps 1787:                term_newln(p);
                   1788: }
                   1789:
                   1790:
                   1791: /* ARGSUSED */
                   1792: static int
                   1793: termp_cd_pre(DECL_ARGS)
                   1794: {
                   1795:
1.69      kristaps 1796:        p->bold++;
1.1       kristaps 1797:        term_newln(p);
                   1798:        return(1);
                   1799: }
                   1800:
                   1801:
                   1802: /* ARGSUSED */
                   1803: static int
                   1804: termp_in_pre(DECL_ARGS)
                   1805: {
                   1806:
1.69      kristaps 1807:        p->bold++;
1.22      kristaps 1808:        if (SEC_SYNOPSIS == node->sec)
                   1809:                term_word(p, "#include");
                   1810:
1.1       kristaps 1811:        term_word(p, "<");
                   1812:        p->flags |= TERMP_NOSPACE;
                   1813:        return(1);
                   1814: }
                   1815:
                   1816:
                   1817: /* ARGSUSED */
                   1818: static void
                   1819: termp_in_post(DECL_ARGS)
                   1820: {
                   1821:
1.69      kristaps 1822:        p->bold++;
1.79      kristaps 1823:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1824:        term_word(p, ">");
1.69      kristaps 1825:        p->bold--;
1.1       kristaps 1826:
                   1827:        if (SEC_SYNOPSIS != node->sec)
                   1828:                return;
1.22      kristaps 1829:
                   1830:        term_newln(p);
                   1831:        /*
                   1832:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1833:         * the SYNOPSIS section, then it produces a single break after
                   1834:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1835:         * construction is rarely used, I think it's fine.
                   1836:         */
1.1       kristaps 1837:        if (node->next && MDOC_In != node->next->tok)
                   1838:                term_vspace(p);
                   1839: }
                   1840:
                   1841:
                   1842: /* ARGSUSED */
                   1843: static int
1.45      kristaps 1844: termp_sp_pre(DECL_ARGS)
                   1845: {
                   1846:        int              i, len;
                   1847:
1.77      kristaps 1848:        switch (node->tok) {
1.76      kristaps 1849:        case (MDOC_sp):
                   1850:                len = node->child ? atoi(node->child->string) : 1;
                   1851:                break;
                   1852:        case (MDOC_br):
                   1853:                len = 0;
                   1854:                break;
                   1855:        default:
                   1856:                len = 1;
                   1857:                break;
1.45      kristaps 1858:        }
                   1859:
                   1860:        if (0 == len)
                   1861:                term_newln(p);
                   1862:        for (i = 0; i < len; i++)
                   1863:                term_vspace(p);
                   1864:
                   1865:        return(0);
                   1866: }
                   1867:
                   1868:
                   1869: /* ARGSUSED */
                   1870: static int
1.1       kristaps 1871: termp_brq_pre(DECL_ARGS)
                   1872: {
                   1873:
                   1874:        if (MDOC_BODY != node->type)
                   1875:                return(1);
                   1876:        term_word(p, "\\(lC");
                   1877:        p->flags |= TERMP_NOSPACE;
                   1878:        return(1);
                   1879: }
                   1880:
                   1881:
                   1882: /* ARGSUSED */
                   1883: static void
                   1884: termp_brq_post(DECL_ARGS)
                   1885: {
                   1886:
                   1887:        if (MDOC_BODY != node->type)
                   1888:                return;
                   1889:        p->flags |= TERMP_NOSPACE;
                   1890:        term_word(p, "\\(rC");
                   1891: }
                   1892:
                   1893:
                   1894: /* ARGSUSED */
                   1895: static int
                   1896: termp_bq_pre(DECL_ARGS)
                   1897: {
                   1898:
                   1899:        if (MDOC_BODY != node->type)
                   1900:                return(1);
                   1901:        term_word(p, "\\(lB");
                   1902:        p->flags |= TERMP_NOSPACE;
                   1903:        return(1);
                   1904: }
                   1905:
                   1906:
                   1907: /* ARGSUSED */
                   1908: static void
                   1909: termp_bq_post(DECL_ARGS)
                   1910: {
                   1911:
                   1912:        if (MDOC_BODY != node->type)
                   1913:                return;
                   1914:        p->flags |= TERMP_NOSPACE;
                   1915:        term_word(p, "\\(rB");
                   1916: }
                   1917:
                   1918:
                   1919: /* ARGSUSED */
                   1920: static int
                   1921: termp_pq_pre(DECL_ARGS)
                   1922: {
                   1923:
                   1924:        if (MDOC_BODY != node->type)
                   1925:                return(1);
                   1926:        term_word(p, "\\&(");
                   1927:        p->flags |= TERMP_NOSPACE;
                   1928:        return(1);
                   1929: }
                   1930:
                   1931:
                   1932: /* ARGSUSED */
                   1933: static void
                   1934: termp_pq_post(DECL_ARGS)
                   1935: {
                   1936:
                   1937:        if (MDOC_BODY != node->type)
                   1938:                return;
                   1939:        term_word(p, ")");
                   1940: }
                   1941:
                   1942:
                   1943: /* ARGSUSED */
                   1944: static int
                   1945: termp_fo_pre(DECL_ARGS)
                   1946: {
                   1947:        const struct mdoc_node *n;
                   1948:
                   1949:        if (MDOC_BODY == node->type) {
1.33      kristaps 1950:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1951:                term_word(p, "(");
                   1952:                p->flags |= TERMP_NOSPACE;
                   1953:                return(1);
                   1954:        } else if (MDOC_HEAD != node->type)
                   1955:                return(1);
                   1956:
1.69      kristaps 1957:        p->bold++;
1.1       kristaps 1958:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1959:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1960:                term_word(p, n->string);
                   1961:        }
1.69      kristaps 1962:        p->bold--;
1.1       kristaps 1963:
                   1964:        return(0);
                   1965: }
                   1966:
                   1967:
                   1968: /* ARGSUSED */
                   1969: static void
                   1970: termp_fo_post(DECL_ARGS)
                   1971: {
                   1972:
                   1973:        if (MDOC_BODY != node->type)
                   1974:                return;
                   1975:        p->flags |= TERMP_NOSPACE;
                   1976:        term_word(p, ")");
                   1977:        p->flags |= TERMP_NOSPACE;
                   1978:        term_word(p, ";");
                   1979:        term_newln(p);
                   1980: }
                   1981:
                   1982:
                   1983: /* ARGSUSED */
                   1984: static int
                   1985: termp_bf_pre(DECL_ARGS)
                   1986: {
                   1987:        const struct mdoc_node  *n;
                   1988:
1.28      kristaps 1989:        if (MDOC_HEAD == node->type)
1.1       kristaps 1990:                return(0);
1.28      kristaps 1991:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 1992:                return(1);
                   1993:
                   1994:        if (NULL == (n = node->head->child)) {
                   1995:                if (arg_hasattr(MDOC_Emphasis, node))
1.69      kristaps 1996:                        p->under++;
1.1       kristaps 1997:                else if (arg_hasattr(MDOC_Symbolic, node))
1.69      kristaps 1998:                        p->bold++;
1.1       kristaps 1999:
                   2000:                return(1);
                   2001:        }
                   2002:
1.11      kristaps 2003:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2004:        if (0 == strcmp("Em", n->string))
1.69      kristaps 2005:                p->under++;
1.1       kristaps 2006:        else if (0 == strcmp("Sy", n->string))
1.69      kristaps 2007:                p->bold++;
1.1       kristaps 2008:
                   2009:        return(1);
                   2010: }
                   2011:
                   2012:
                   2013: /* ARGSUSED */
                   2014: static int
                   2015: termp_sm_pre(DECL_ARGS)
                   2016: {
                   2017:
1.11      kristaps 2018:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2019:        if (0 == strcmp("on", node->child->string)) {
                   2020:                p->flags &= ~TERMP_NONOSPACE;
                   2021:                p->flags &= ~TERMP_NOSPACE;
                   2022:        } else
                   2023:                p->flags |= TERMP_NONOSPACE;
                   2024:
                   2025:        return(0);
                   2026: }
                   2027:
                   2028:
                   2029: /* ARGSUSED */
                   2030: static int
                   2031: termp_ap_pre(DECL_ARGS)
                   2032: {
                   2033:
                   2034:        p->flags |= TERMP_NOSPACE;
                   2035:        term_word(p, "\\(aq");
                   2036:        p->flags |= TERMP_NOSPACE;
                   2037:        return(1);
                   2038: }
                   2039:
                   2040:
                   2041: /* ARGSUSED */
                   2042: static void
                   2043: termp____post(DECL_ARGS)
                   2044: {
                   2045:
                   2046:        p->flags |= TERMP_NOSPACE;
1.84      kristaps 2047:        switch (node->tok) {
                   2048:        case (MDOC__T):
                   2049:                term_word(p, "\\(rq");
                   2050:                p->flags |= TERMP_NOSPACE;
                   2051:                break;
                   2052:        default:
                   2053:                break;
                   2054:        }
1.1       kristaps 2055:        term_word(p, node->next ? "," : ".");
                   2056: }
                   2057:
                   2058:
                   2059: /* ARGSUSED */
                   2060: static int
                   2061: termp_lk_pre(DECL_ARGS)
                   2062: {
                   2063:        const struct mdoc_node *n;
                   2064:
1.11      kristaps 2065:        assert(node->child);
                   2066:        n = node->child;
1.1       kristaps 2067:
1.12      kristaps 2068:        if (NULL == n->next) {
1.69      kristaps 2069:                p->under++;
1.12      kristaps 2070:                return(1);
                   2071:        }
                   2072:
1.69      kristaps 2073:        p->under++;
1.1       kristaps 2074:        term_word(p, n->string);
                   2075:        p->flags |= TERMP_NOSPACE;
                   2076:        term_word(p, ":");
1.69      kristaps 2077:        p->under--;
1.1       kristaps 2078:
1.69      kristaps 2079:        p->bold++;
1.12      kristaps 2080:        for (n = n->next; n; n = n->next)
1.1       kristaps 2081:                term_word(p, n->string);
1.69      kristaps 2082:        p->bold--;
1.12      kristaps 2083:
1.1       kristaps 2084:        return(0);
                   2085: }
                   2086:
                   2087:
                   2088: /* ARGSUSED */
                   2089: static int
1.69      kristaps 2090: termp_under_pre(DECL_ARGS)
1.1       kristaps 2091: {
                   2092:
1.69      kristaps 2093:        p->under++;
1.1       kristaps 2094:        return(1);
                   2095: }
1.83      kristaps 2096:
1.84      kristaps 2097:
                   2098: /* ARGSUSED */
                   2099: static int
                   2100: termp__t_pre(DECL_ARGS)
                   2101: {
                   2102:
                   2103:        term_word(p, "\\(lq");
                   2104:        p->flags |= TERMP_NOSPACE;
                   2105:        return(1);
                   2106: }

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