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Annotation of mandoc/mdoc_term.c, Revision 1.86

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

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