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Annotation of mandoc/mdoc_term.c, Revision 1.69

1.69    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.68 2009/08/20 13:22:48 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:
1.66      kristaps   29: #define        INDENT            5
                     30: #define        HALFINDENT        3
                     31:
1.1       kristaps   32: struct termpair {
                     33:        struct termpair  *ppair;
1.31      kristaps   34:        int               flag;
                     35:        int               count;
1.1       kristaps   36: };
                     37:
1.31      kristaps   38: #define        DECL_ARGS struct termp *p, \
                     39:                  struct termpair *pair, \
                     40:                  const struct mdoc_meta *meta, \
                     41:                  const struct mdoc_node *node
1.1       kristaps   42:
                     43: struct termact {
                     44:        int     (*pre)(DECL_ARGS);
                     45:        void    (*post)(DECL_ARGS);
                     46: };
                     47:
1.31      kristaps   48: static void      termp____post(DECL_ARGS);
1.61      kristaps   49: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   50: static void      termp_aq_post(DECL_ARGS);
                     51: static void      termp_bd_post(DECL_ARGS);
                     52: static void      termp_bl_post(DECL_ARGS);
                     53: static void      termp_bq_post(DECL_ARGS);
                     54: static void      termp_brq_post(DECL_ARGS);
                     55: static void      termp_bx_post(DECL_ARGS);
                     56: static void      termp_d1_post(DECL_ARGS);
                     57: static void      termp_dq_post(DECL_ARGS);
                     58: static void      termp_fd_post(DECL_ARGS);
                     59: static void      termp_fn_post(DECL_ARGS);
                     60: static void      termp_fo_post(DECL_ARGS);
                     61: static void      termp_ft_post(DECL_ARGS);
                     62: static void      termp_in_post(DECL_ARGS);
                     63: static void      termp_it_post(DECL_ARGS);
                     64: static void      termp_lb_post(DECL_ARGS);
                     65: static void      termp_op_post(DECL_ARGS);
                     66: static void      termp_pf_post(DECL_ARGS);
                     67: static void      termp_pq_post(DECL_ARGS);
                     68: static void      termp_qq_post(DECL_ARGS);
                     69: static void      termp_sh_post(DECL_ARGS);
                     70: static void      termp_sq_post(DECL_ARGS);
                     71: static void      termp_ss_post(DECL_ARGS);
                     72: static void      termp_vt_post(DECL_ARGS);
                     73:
1.61      kristaps   74: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   75: static int       termp_ap_pre(DECL_ARGS);
                     76: static int       termp_aq_pre(DECL_ARGS);
                     77: static int       termp_bd_pre(DECL_ARGS);
                     78: static int       termp_bf_pre(DECL_ARGS);
1.69    ! kristaps   79: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   80: static int       termp_bq_pre(DECL_ARGS);
1.44      kristaps   81: static int       termp_br_pre(DECL_ARGS);
1.31      kristaps   82: static int       termp_brq_pre(DECL_ARGS);
                     83: static int       termp_bt_pre(DECL_ARGS);
                     84: static int       termp_cd_pre(DECL_ARGS);
                     85: static int       termp_d1_pre(DECL_ARGS);
                     86: static int       termp_dq_pre(DECL_ARGS);
                     87: static int       termp_ex_pre(DECL_ARGS);
                     88: static int       termp_fa_pre(DECL_ARGS);
                     89: static int       termp_fl_pre(DECL_ARGS);
                     90: static int       termp_fn_pre(DECL_ARGS);
                     91: static int       termp_fo_pre(DECL_ARGS);
                     92: static int       termp_ft_pre(DECL_ARGS);
                     93: static int       termp_in_pre(DECL_ARGS);
                     94: static int       termp_it_pre(DECL_ARGS);
                     95: static int       termp_lk_pre(DECL_ARGS);
                     96: static int       termp_nd_pre(DECL_ARGS);
                     97: static int       termp_nm_pre(DECL_ARGS);
                     98: static int       termp_ns_pre(DECL_ARGS);
                     99: static int       termp_op_pre(DECL_ARGS);
                    100: static int       termp_pf_pre(DECL_ARGS);
                    101: static int       termp_pp_pre(DECL_ARGS);
                    102: static int       termp_pq_pre(DECL_ARGS);
                    103: static int       termp_qq_pre(DECL_ARGS);
                    104: static int       termp_rs_pre(DECL_ARGS);
                    105: static int       termp_rv_pre(DECL_ARGS);
                    106: static int       termp_sh_pre(DECL_ARGS);
                    107: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  108: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  109: static int       termp_sq_pre(DECL_ARGS);
                    110: static int       termp_ss_pre(DECL_ARGS);
1.69    ! kristaps  111: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  112: static int       termp_ud_pre(DECL_ARGS);
                    113: static int       termp_xr_pre(DECL_ARGS);
                    114: static int       termp_xx_pre(DECL_ARGS);
                    115:
1.1       kristaps  116: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  117:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  118:        { NULL, NULL }, /* Dd */
                    119:        { NULL, NULL }, /* Dt */
                    120:        { NULL, NULL }, /* Os */
                    121:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    122:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    123:        { termp_pp_pre, NULL }, /* Pp */
                    124:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    125:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    126:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    127:        { NULL, NULL }, /* Ed */
                    128:        { NULL, termp_bl_post }, /* Bl */
                    129:        { NULL, NULL }, /* El */
                    130:        { termp_it_pre, termp_it_post }, /* It */
                    131:        { NULL, NULL }, /* Ad */
1.61      kristaps  132:        { termp_an_pre, termp_an_post }, /* An */
1.69    ! kristaps  133:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  134:        { termp_cd_pre, NULL }, /* Cd */
1.69    ! kristaps  135:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  136:        { NULL, NULL }, /* Dv */
                    137:        { NULL, NULL }, /* Er */
                    138:        { NULL, NULL }, /* Ev */
                    139:        { termp_ex_pre, NULL }, /* Ex */
                    140:        { termp_fa_pre, NULL }, /* Fa */
1.69    ! kristaps  141:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  142:        { termp_fl_pre, NULL }, /* Fl */
                    143:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    144:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69    ! kristaps  145:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  146:        { termp_in_pre, termp_in_post }, /* In */
                    147:        { NULL, NULL }, /* Li */
                    148:        { termp_nd_pre, NULL }, /* Nd */
                    149:        { termp_nm_pre, NULL }, /* Nm */
                    150:        { termp_op_pre, termp_op_post }, /* Op */
                    151:        { NULL, NULL }, /* Ot */
1.69    ! kristaps  152:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  153:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  154:        { NULL, NULL }, /* St */
1.69    ! kristaps  155:        { termp_under_pre, NULL }, /* Va */
        !           156:        { termp_under_pre, termp_vt_post }, /* Vt */  /* FIXME: type name */
1.1       kristaps  157:        { termp_xr_pre, NULL }, /* Xr */
                    158:        { NULL, termp____post }, /* %A */
                    159:        { NULL, termp____post }, /* %B */
                    160:        { NULL, termp____post }, /* %D */
                    161:        { NULL, termp____post }, /* %I */
1.69    ! kristaps  162:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  163:        { NULL, termp____post }, /* %N */
                    164:        { NULL, termp____post }, /* %O */
                    165:        { NULL, termp____post }, /* %P */
                    166:        { NULL, termp____post }, /* %R */
1.69    ! kristaps  167:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  168:        { NULL, termp____post }, /* %V */
                    169:        { NULL, NULL }, /* Ac */
                    170:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    171:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  172:        { NULL, NULL }, /* At */
1.1       kristaps  173:        { NULL, NULL }, /* Bc */
                    174:        { termp_bf_pre, NULL }, /* Bf */
                    175:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    176:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  177:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  178:        { NULL, termp_bx_post }, /* Bx */
                    179:        { NULL, NULL }, /* Db */
                    180:        { NULL, NULL }, /* Dc */
                    181:        { termp_dq_pre, termp_dq_post }, /* Do */
                    182:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    183:        { NULL, NULL }, /* Ec */
                    184:        { NULL, NULL }, /* Ef */
1.69    ! kristaps  185:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  186:        { NULL, NULL }, /* Eo */
1.26      kristaps  187:        { termp_xx_pre, NULL }, /* Fx */
1.69    ! kristaps  188:        { termp_bold_pre, NULL }, /* Ms */
1.1       kristaps  189:        { NULL, NULL }, /* No */
                    190:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  191:        { termp_xx_pre, NULL }, /* Nx */
                    192:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  193:        { NULL, NULL }, /* Pc */
                    194:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    195:        { termp_pq_pre, termp_pq_post }, /* Po */
                    196:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    197:        { NULL, NULL }, /* Qc */
                    198:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    199:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    200:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    201:        { NULL, NULL }, /* Re */
                    202:        { termp_rs_pre, NULL }, /* Rs */
                    203:        { NULL, NULL }, /* Sc */
                    204:        { termp_sq_pre, termp_sq_post }, /* So */
                    205:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    206:        { termp_sm_pre, NULL }, /* Sm */
1.69    ! kristaps  207:        { termp_under_pre, NULL }, /* Sx */
        !           208:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  209:        { NULL, NULL }, /* Tn */
1.26      kristaps  210:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  211:        { NULL, NULL }, /* Xc */
                    212:        { NULL, NULL }, /* Xo */
                    213:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    214:        { NULL, NULL }, /* Fc */
                    215:        { termp_op_pre, termp_op_post }, /* Oo */
                    216:        { NULL, NULL }, /* Oc */
                    217:        { NULL, NULL }, /* Bk */
                    218:        { NULL, NULL }, /* Ek */
                    219:        { termp_bt_pre, NULL }, /* Bt */
                    220:        { NULL, NULL }, /* Hf */
                    221:        { NULL, NULL }, /* Fr */
                    222:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  223:        { NULL, termp_lb_post }, /* Lb */
1.14      kristaps  224:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  225:        { termp_lk_pre, NULL }, /* Lk */
1.69    ! kristaps  226:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  227:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    228:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    229:        { NULL, NULL }, /* Brc */
                    230:        { NULL, NULL }, /* %C */
                    231:        { NULL, NULL }, /* Es */
                    232:        { NULL, NULL }, /* En */
1.26      kristaps  233:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  234:        { NULL, NULL }, /* %Q */
1.44      kristaps  235:        { termp_br_pre, NULL }, /* br */
1.45      kristaps  236:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  237: };
                    238:
1.2       kristaps  239: #ifdef __linux__
1.9       kristaps  240: extern size_t    strlcpy(char *, const char *, size_t);
                    241: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  242: #endif
                    243:
1.1       kristaps  244: static int       arg_hasattr(int, const struct mdoc_node *);
                    245: static int       arg_getattrs(const int *, int *, size_t,
                    246:                        const struct mdoc_node *);
                    247: static int       arg_getattr(int, const struct mdoc_node *);
                    248: static size_t    arg_offset(const struct mdoc_argv *);
                    249: static size_t    arg_width(const struct mdoc_argv *, int);
                    250: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  251: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  252:                        const struct mdoc_node *,
                    253:                        const struct mdoc_node *);
1.3       kristaps  254: static void      print_node(DECL_ARGS);
                    255: static void      print_head(struct termp *,
1.1       kristaps  256:                        const struct mdoc_meta *);
1.3       kristaps  257: static void      print_body(DECL_ARGS);
                    258: static void      print_foot(struct termp *,
1.1       kristaps  259:                        const struct mdoc_meta *);
                    260:
                    261:
                    262: int
                    263: mdoc_run(struct termp *p, const struct mdoc *m)
                    264: {
1.9       kristaps  265:        /*
                    266:         * Main output function.  When this is called, assume that the
                    267:         * tree is properly formed.
                    268:         */
1.3       kristaps  269:        print_head(p, mdoc_meta(m));
1.14      kristaps  270:        assert(mdoc_node(m));
                    271:        assert(MDOC_ROOT == mdoc_node(m)->type);
                    272:        if (mdoc_node(m)->child)
                    273:                print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child);
1.3       kristaps  274:        print_foot(p, mdoc_meta(m));
                    275:        return(1);
1.1       kristaps  276: }
                    277:
                    278:
1.3       kristaps  279: static void
1.1       kristaps  280: print_body(DECL_ARGS)
                    281: {
                    282:
1.3       kristaps  283:        print_node(p, pair, meta, node);
1.1       kristaps  284:        if ( ! node->next)
1.3       kristaps  285:                return;
                    286:        print_body(p, pair, meta, node->next);
1.1       kristaps  287: }
                    288:
                    289:
1.3       kristaps  290: static void
1.1       kristaps  291: print_node(DECL_ARGS)
                    292: {
1.69    ! kristaps  293:        int              dochild, bold, under;
1.1       kristaps  294:        struct termpair  npair;
1.30      kristaps  295:        size_t           offset, rmargin;
1.1       kristaps  296:
                    297:        dochild = 1;
1.29      kristaps  298:        offset = p->offset;
1.30      kristaps  299:        rmargin = p->rmargin;
1.69    ! kristaps  300:        bold = p->bold;
        !           301:        under = p->under;
1.29      kristaps  302:
1.1       kristaps  303:        npair.ppair = pair;
                    304:        npair.flag = 0;
                    305:        npair.count = 0;
                    306:
1.46      kristaps  307:        /*
                    308:         * Note on termpair.  This allows a pre function to set a termp
                    309:         * flag that is automatically unset after the body, but before
                    310:         * the post function.  Thus, if a pre uses a termpair flag, it
                    311:         * must be reapplied in the post for use.
                    312:         */
                    313:
1.1       kristaps  314:        if (MDOC_TEXT != node->type) {
                    315:                if (termacts[node->tok].pre)
                    316:                        if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node))
                    317:                                dochild = 0;
                    318:        } else /* MDOC_TEXT == node->type */
                    319:                term_word(p, node->string);
                    320:
                    321:        /* Children. */
                    322:
                    323:        if (dochild && node->child)
                    324:                print_body(p, &npair, meta, node->child);
                    325:
1.69    ! kristaps  326:        p->bold = bold;
        !           327:        p->under = under;
1.46      kristaps  328:
1.1       kristaps  329:        /* Post-processing. */
                    330:
                    331:        if (MDOC_TEXT != node->type)
                    332:                if (termacts[node->tok].post)
                    333:                        (*termacts[node->tok].post)(p, &npair, meta, node);
1.29      kristaps  334:
                    335:        p->offset = offset;
1.30      kristaps  336:        p->rmargin = rmargin;
1.1       kristaps  337: }
                    338:
                    339:
1.3       kristaps  340: static void
1.1       kristaps  341: print_foot(struct termp *p, const struct mdoc_meta *meta)
                    342: {
                    343:        struct tm       *tm;
                    344:        char            *buf, *os;
                    345:
1.9       kristaps  346:        /*
                    347:         * Output the footer in new-groff style, that is, three columns
                    348:         * with the middle being the manual date and flanking columns
                    349:         * being the operating system:
                    350:         *
                    351:         * SYSTEM                  DATE                    SYSTEM
                    352:         */
                    353:
1.1       kristaps  354:        if (NULL == (buf = malloc(p->rmargin)))
                    355:                err(1, "malloc");
                    356:        if (NULL == (os = malloc(p->rmargin)))
                    357:                err(1, "malloc");
                    358:
                    359:        tm = localtime(&meta->date);
                    360:
1.42      kristaps  361:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.1       kristaps  362:                err(1, "strftime");
                    363:
                    364:        (void)strlcpy(os, meta->os, p->rmargin);
                    365:
                    366:        term_vspace(p);
                    367:
1.9       kristaps  368:        p->offset = 0;
                    369:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  370:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    371:
                    372:        term_word(p, os);
                    373:        term_flushln(p);
                    374:
1.9       kristaps  375:        p->offset = p->rmargin;
                    376:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  377:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  378:
                    379:        term_word(p, buf);
                    380:        term_flushln(p);
                    381:
1.1       kristaps  382:        p->offset = p->rmargin;
                    383:        p->rmargin = p->maxrmargin;
                    384:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  385:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  386:
1.9       kristaps  387:        term_word(p, os);
1.1       kristaps  388:        term_flushln(p);
                    389:
1.9       kristaps  390:        p->offset = 0;
                    391:        p->rmargin = p->maxrmargin;
                    392:        p->flags = 0;
                    393:
1.1       kristaps  394:        free(buf);
                    395:        free(os);
                    396: }
                    397:
                    398:
1.3       kristaps  399: static void
1.1       kristaps  400: print_head(struct termp *p, const struct mdoc_meta *meta)
                    401: {
                    402:        char            *buf, *title;
                    403:
                    404:        p->rmargin = p->maxrmargin;
                    405:        p->offset = 0;
                    406:
                    407:        if (NULL == (buf = malloc(p->rmargin)))
                    408:                err(1, "malloc");
                    409:        if (NULL == (title = malloc(p->rmargin)))
                    410:                err(1, "malloc");
                    411:
                    412:        /*
                    413:         * The header is strange.  It has three components, which are
                    414:         * really two with the first duplicated.  It goes like this:
                    415:         *
                    416:         * IDENTIFIER              TITLE                   IDENTIFIER
                    417:         *
                    418:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    419:         * (if given, or "unknown" if not) followed by the manual page
                    420:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    421:         * string depending on the manual volume.  If not specified, it
                    422:         * switches on the manual section.
                    423:         */
                    424:
                    425:        assert(meta->vol);
                    426:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    427:
                    428:        if (meta->arch) {
                    429:                (void)strlcat(buf, " (", p->rmargin);
                    430:                (void)strlcat(buf, meta->arch, p->rmargin);
                    431:                (void)strlcat(buf, ")", p->rmargin);
                    432:        }
                    433:
                    434:        (void)snprintf(title, p->rmargin, "%s(%d)",
                    435:                        meta->title, meta->msec);
                    436:
                    437:        p->offset = 0;
1.8       kristaps  438:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  439:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    440:
                    441:        term_word(p, title);
                    442:        term_flushln(p);
                    443:
                    444:        p->offset = p->rmargin;
                    445:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  446:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  447:
                    448:        term_word(p, buf);
                    449:        term_flushln(p);
                    450:
                    451:        p->offset = p->rmargin;
                    452:        p->rmargin = p->maxrmargin;
                    453:        p->flags &= ~TERMP_NOBREAK;
                    454:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    455:
                    456:        term_word(p, title);
                    457:        term_flushln(p);
                    458:
1.9       kristaps  459:        p->offset = 0;
1.1       kristaps  460:        p->rmargin = p->maxrmargin;
                    461:        p->flags &= ~TERMP_NOSPACE;
                    462:
                    463:        free(title);
                    464:        free(buf);
                    465: }
                    466:
                    467:
                    468: static size_t
                    469: arg_width(const struct mdoc_argv *arg, int pos)
                    470: {
                    471:        int              i, len;
1.40      kristaps  472:        const char      *p;
1.1       kristaps  473:
                    474:        assert(pos < (int)arg->sz && pos >= 0);
                    475:        assert(arg->value[pos]);
                    476:
1.40      kristaps  477:        p = arg->value[pos];
                    478:
                    479:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  480:                return(0);
                    481:
                    482:        for (i = 0; i < len - 1; i++)
1.40      kristaps  483:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  484:                        break;
                    485:
1.40      kristaps  486:        if (i == len - 1)
                    487:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    488:                        return((size_t)atoi(p) + 2);
1.1       kristaps  489:
1.40      kristaps  490:        return((size_t)len + 2);
1.1       kristaps  491: }
                    492:
                    493:
                    494: static int
                    495: arg_listtype(const struct mdoc_node *n)
                    496: {
                    497:        int              i, len;
                    498:
                    499:        assert(MDOC_BLOCK == n->type);
                    500:
                    501:        len = (int)(n->args ? n->args->argc : 0);
                    502:
                    503:        for (i = 0; i < len; i++)
                    504:                switch (n->args->argv[i].arg) {
                    505:                case (MDOC_Bullet):
                    506:                        /* FALLTHROUGH */
                    507:                case (MDOC_Dash):
                    508:                        /* FALLTHROUGH */
                    509:                case (MDOC_Enum):
                    510:                        /* FALLTHROUGH */
                    511:                case (MDOC_Hyphen):
                    512:                        /* FALLTHROUGH */
                    513:                case (MDOC_Tag):
                    514:                        /* FALLTHROUGH */
                    515:                case (MDOC_Inset):
                    516:                        /* FALLTHROUGH */
                    517:                case (MDOC_Diag):
                    518:                        /* FALLTHROUGH */
                    519:                case (MDOC_Item):
                    520:                        /* FALLTHROUGH */
                    521:                case (MDOC_Column):
                    522:                        /* FALLTHROUGH */
1.38      kristaps  523:                case (MDOC_Hang):
                    524:                        /* FALLTHROUGH */
1.1       kristaps  525:                case (MDOC_Ohang):
                    526:                        return(n->args->argv[i].arg);
                    527:                default:
                    528:                        break;
                    529:                }
                    530:
1.38      kristaps  531:        return(-1);
1.1       kristaps  532: }
                    533:
                    534:
                    535: static size_t
                    536: arg_offset(const struct mdoc_argv *arg)
                    537: {
1.40      kristaps  538:        int              len, i;
                    539:        const char      *p;
1.1       kristaps  540:
                    541:        assert(*arg->value);
1.40      kristaps  542:        p = *arg->value;
                    543:
                    544:        if (0 == strcmp(p, "left"))
1.19      kristaps  545:                return(0);
1.40      kristaps  546:        if (0 == strcmp(p, "indent"))
1.16      kristaps  547:                return(INDENT + 1);
1.40      kristaps  548:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  549:                return((INDENT + 1) * 2);
1.10      kristaps  550:
1.40      kristaps  551:        if (0 == (len = (int)strlen(p)))
                    552:                return(0);
                    553:
                    554:        for (i = 0; i < len - 1; i++)
                    555:                if ( ! isdigit((u_char)p[i]))
                    556:                        break;
                    557:
                    558:        if (i == len - 1)
                    559:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    560:                        return((size_t)atoi(p));
1.11      kristaps  561:
1.40      kristaps  562:        return((size_t)len);
1.1       kristaps  563: }
                    564:
                    565:
                    566: static int
                    567: arg_hasattr(int arg, const struct mdoc_node *n)
                    568: {
                    569:
                    570:        return(-1 != arg_getattr(arg, n));
                    571: }
                    572:
                    573:
                    574: static int
                    575: arg_getattr(int v, const struct mdoc_node *n)
                    576: {
                    577:        int              val;
                    578:
                    579:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    580: }
                    581:
                    582:
                    583: static int
                    584: arg_getattrs(const int *keys, int *vals,
                    585:                size_t sz, const struct mdoc_node *n)
                    586: {
                    587:        int              i, j, k;
                    588:
                    589:        if (NULL == n->args)
                    590:                return(0);
                    591:
                    592:        for (k = i = 0; i < (int)n->args->argc; i++)
                    593:                for (j = 0; j < (int)sz; j++)
                    594:                        if (n->args->argv[i].arg == keys[j]) {
                    595:                                vals[j] = i;
                    596:                                k++;
                    597:                        }
                    598:        return(k);
                    599: }
                    600:
                    601:
                    602: /* ARGSUSED */
1.54      kristaps  603: static void
1.1       kristaps  604: fmt_block_vspace(struct termp *p,
                    605:                const struct mdoc_node *bl,
                    606:                const struct mdoc_node *node)
                    607: {
                    608:        const struct mdoc_node *n;
                    609:
                    610:        term_newln(p);
                    611:
1.59      kristaps  612:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  613:                return;
1.63      kristaps  614:        assert(node);
1.54      kristaps  615:
                    616:        /*
                    617:         * Search through our prior nodes.  If we follow a `Ss' or `Sh',
                    618:         * then don't vspace.
                    619:         */
1.1       kristaps  620:
                    621:        for (n = node; n; n = n->parent) {
                    622:                if (MDOC_BLOCK != n->type)
                    623:                        continue;
                    624:                if (MDOC_Ss == n->tok)
1.54      kristaps  625:                        return;
1.1       kristaps  626:                if (MDOC_Sh == n->tok)
1.54      kristaps  627:                        return;
1.1       kristaps  628:                if (NULL == n->prev)
                    629:                        continue;
                    630:                break;
                    631:        }
                    632:
1.54      kristaps  633:        /*
1.55      kristaps  634:         * XXX - not documented: a `-column' does not ever assert vspace
                    635:         * within the list.
1.54      kristaps  636:         */
                    637:
1.59      kristaps  638:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.54      kristaps  639:                if (node->prev && MDOC_It == node->prev->tok)
                    640:                        return;
                    641:
1.55      kristaps  642:        /*
                    643:         * XXX - not documented: a `-diag' without a body does not
                    644:         * assert a vspace prior to the next element.
                    645:         */
1.59      kristaps  646:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.55      kristaps  647:                if (node->prev && MDOC_It == node->prev->tok) {
                    648:                        assert(node->prev->body);
                    649:                        if (NULL == node->prev->body->child)
                    650:                                return;
                    651:                }
                    652:
1.54      kristaps  653:        term_vspace(p);
1.1       kristaps  654: }
                    655:
                    656:
                    657: /* ARGSUSED */
                    658: static int
                    659: termp_dq_pre(DECL_ARGS)
                    660: {
                    661:
                    662:        if (MDOC_BODY != node->type)
                    663:                return(1);
                    664:
                    665:        term_word(p, "\\(lq");
                    666:        p->flags |= TERMP_NOSPACE;
                    667:        return(1);
                    668: }
                    669:
                    670:
                    671: /* ARGSUSED */
                    672: static void
                    673: termp_dq_post(DECL_ARGS)
                    674: {
                    675:
                    676:        if (MDOC_BODY != node->type)
                    677:                return;
                    678:
                    679:        p->flags |= TERMP_NOSPACE;
                    680:        term_word(p, "\\(rq");
                    681: }
                    682:
                    683:
                    684: /* ARGSUSED */
                    685: static int
                    686: termp_it_pre(DECL_ARGS)
                    687: {
                    688:        const struct mdoc_node *bl, *n;
                    689:        char                    buf[7];
1.39      kristaps  690:        int                     i, type, keys[3], vals[3];
1.1       kristaps  691:        size_t                  width, offset;
                    692:
1.54      kristaps  693:        if (MDOC_BLOCK == node->type) {
                    694:                fmt_block_vspace(p, node->parent->parent, node);
                    695:                return(1);
                    696:        }
1.1       kristaps  697:
                    698:        bl = node->parent->parent->parent;
                    699:
                    700:        /* Save parent attributes. */
                    701:
                    702:        pair->flag = p->flags;
                    703:
                    704:        /* Get list width and offset. */
                    705:
                    706:        keys[0] = MDOC_Width;
                    707:        keys[1] = MDOC_Offset;
                    708:        keys[2] = MDOC_Column;
                    709:
                    710:        vals[0] = vals[1] = vals[2] = -1;
                    711:
                    712:        width = offset = 0;
                    713:
                    714:        (void)arg_getattrs(keys, vals, 3, bl);
                    715:
                    716:        type = arg_listtype(bl);
1.38      kristaps  717:        assert(-1 != type);
1.1       kristaps  718:
                    719:        /* Calculate real width and offset. */
                    720:
                    721:        switch (type) {
                    722:        case (MDOC_Column):
                    723:                if (MDOC_BODY == node->type)
                    724:                        break;
1.58      kristaps  725:                /*
                    726:                 * Work around groff's column handling.  The offset is
                    727:                 * equal to the sum of all widths leading to the current
                    728:                 * column (plus the -offset value).  If this column
                    729:                 * exceeds the stated number of columns, the width is
                    730:                 * set as 0, else it's the stated column width (later
                    731:                 * the 0 will be adjusted to default 10 or, if in the
                    732:                 * last column case, set to stretch to the margin).
                    733:                 */
                    734:                for (i = 0, n = node->prev; n && n &&
                    735:                                i < (int)bl->args[vals[2]].argv->sz;
                    736:                                n = n->prev, i++)
1.1       kristaps  737:                        offset += arg_width
                    738:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  739:
                    740:                /* Whether exceeds maximum column. */
                    741:                if (i < (int)bl->args[vals[2]].argv->sz)
                    742:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    743:                else
                    744:                        width = 0;
                    745:
1.1       kristaps  746:                if (vals[1] >= 0)
                    747:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    748:                break;
                    749:        default:
                    750:                if (vals[0] >= 0)
                    751:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    752:                if (vals[1] >= 0)
1.19      kristaps  753:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  754:                break;
                    755:        }
                    756:
                    757:        /*
                    758:         * List-type can override the width in the case of fixed-head
                    759:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  760:         * offset.
1.1       kristaps  761:         */
                    762:
                    763:        switch (type) {
                    764:        case (MDOC_Bullet):
                    765:                /* FALLTHROUGH */
                    766:        case (MDOC_Dash):
                    767:                /* FALLTHROUGH */
                    768:        case (MDOC_Hyphen):
                    769:                if (width < 4)
                    770:                        width = 4;
                    771:                break;
1.17      kristaps  772:        case (MDOC_Enum):
                    773:                if (width < 5)
                    774:                        width = 5;
                    775:                break;
1.38      kristaps  776:        case (MDOC_Hang):
1.39      kristaps  777:                if (0 == width)
                    778:                        width = 8;
                    779:                break;
1.49      kristaps  780:        case (MDOC_Column):
                    781:                /* FALLTHROUGH */
1.1       kristaps  782:        case (MDOC_Tag):
                    783:                if (0 == width)
                    784:                        width = 10;
                    785:                break;
                    786:        default:
                    787:                break;
                    788:        }
                    789:
                    790:        /*
1.17      kristaps  791:         * Whitespace control.  Inset bodies need an initial space,
                    792:         * while diagonal bodies need two.
1.1       kristaps  793:         */
                    794:
1.51      kristaps  795:        p->flags |= TERMP_NOSPACE;
                    796:
1.1       kristaps  797:        switch (type) {
1.51      kristaps  798:        case (MDOC_Diag):
1.62      kristaps  799:                if (MDOC_BODY == node->type)
                    800:                        term_word(p, "\\ \\ ");
1.51      kristaps  801:                break;
1.1       kristaps  802:        case (MDOC_Inset):
                    803:                if (MDOC_BODY == node->type)
1.51      kristaps  804:                        term_word(p, "\\ ");
1.1       kristaps  805:                break;
                    806:        default:
                    807:                break;
                    808:        }
                    809:
1.51      kristaps  810:        p->flags |= TERMP_NOSPACE;
                    811:
1.1       kristaps  812:        switch (type) {
                    813:        case (MDOC_Diag):
                    814:                if (MDOC_HEAD == node->type)
1.69    ! kristaps  815:                        p->bold++;
1.1       kristaps  816:                break;
                    817:        default:
                    818:                break;
                    819:        }
                    820:
                    821:        /*
                    822:         * Pad and break control.  This is the tricker part.  Lists with
                    823:         * set right-margins for the head get TERMP_NOBREAK because, if
                    824:         * they overrun the margin, they wrap to the new margin.
                    825:         * Correspondingly, the body for these types don't left-pad, as
                    826:         * the head will pad out to to the right.
                    827:         */
                    828:
                    829:        switch (type) {
                    830:        case (MDOC_Bullet):
                    831:                /* FALLTHROUGH */
                    832:        case (MDOC_Dash):
                    833:                /* FALLTHROUGH */
                    834:        case (MDOC_Enum):
                    835:                /* FALLTHROUGH */
                    836:        case (MDOC_Hyphen):
1.39      kristaps  837:                if (MDOC_HEAD == node->type)
                    838:                        p->flags |= TERMP_NOBREAK;
                    839:                else
                    840:                        p->flags |= TERMP_NOLPAD;
                    841:                break;
1.38      kristaps  842:        case (MDOC_Hang):
1.39      kristaps  843:                if (MDOC_HEAD == node->type)
                    844:                        p->flags |= TERMP_NOBREAK;
                    845:                else
                    846:                        p->flags |= TERMP_NOLPAD;
                    847:
1.59      kristaps  848:                if (MDOC_HEAD != node->type)
                    849:                        break;
                    850:
                    851:                /*
                    852:                 * This is ugly.  If `-hang' is specified and the body
                    853:                 * is a `Bl' or `Bd', then we want basically to nullify
                    854:                 * the "overstep" effect in term_flushln() and treat
                    855:                 * this as a `-ohang' list instead.
                    856:                 */
                    857:                if (node->next->child &&
                    858:                                (MDOC_Bl == node->next->child->tok ||
                    859:                                 MDOC_Bd == node->next->child->tok)) {
                    860:                        p->flags &= ~TERMP_NOBREAK;
                    861:                        p->flags &= ~TERMP_NOLPAD;
                    862:                } else
1.39      kristaps  863:                        p->flags |= TERMP_HANG;
                    864:                break;
1.1       kristaps  865:        case (MDOC_Tag):
                    866:                if (MDOC_HEAD == node->type)
1.51      kristaps  867:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  868:                else
                    869:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  870:
1.39      kristaps  871:                if (MDOC_HEAD != node->type)
                    872:                        break;
                    873:                if (NULL == node->next || NULL == node->next->child)
                    874:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  875:                break;
                    876:        case (MDOC_Column):
                    877:                if (MDOC_HEAD == node->type) {
                    878:                        assert(node->next);
                    879:                        if (MDOC_BODY == node->next->type)
                    880:                                p->flags &= ~TERMP_NOBREAK;
                    881:                        else
                    882:                                p->flags |= TERMP_NOBREAK;
                    883:                        if (node->prev)
                    884:                                p->flags |= TERMP_NOLPAD;
                    885:                }
                    886:                break;
                    887:        case (MDOC_Diag):
                    888:                if (MDOC_HEAD == node->type)
                    889:                        p->flags |= TERMP_NOBREAK;
                    890:                break;
                    891:        default:
                    892:                break;
                    893:        }
                    894:
                    895:        /*
                    896:         * Margin control.  Set-head-width lists have their right
                    897:         * margins shortened.  The body for these lists has the offset
                    898:         * necessarily lengthened.  Everybody gets the offset.
                    899:         */
                    900:
                    901:        p->offset += offset;
                    902:
                    903:        switch (type) {
1.59      kristaps  904:        case (MDOC_Hang):
                    905:                /*
                    906:                 * Same stipulation as above, regarding `-hang'.  We
                    907:                 * don't want to recalculate rmargin and offsets when
                    908:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    909:                 */
                    910:                if (MDOC_HEAD == node->type && node->next->child &&
                    911:                                (MDOC_Bl == node->next->child->tok ||
                    912:                                 MDOC_Bd == node->next->child->tok))
                    913:                        break;
                    914:                /* FALLTHROUGH */
1.1       kristaps  915:        case (MDOC_Bullet):
                    916:                /* FALLTHROUGH */
                    917:        case (MDOC_Dash):
                    918:                /* FALLTHROUGH */
                    919:        case (MDOC_Enum):
                    920:                /* FALLTHROUGH */
                    921:        case (MDOC_Hyphen):
                    922:                /* FALLTHROUGH */
                    923:        case (MDOC_Tag):
1.49      kristaps  924:                assert(width);
1.1       kristaps  925:                if (MDOC_HEAD == node->type)
                    926:                        p->rmargin = p->offset + width;
                    927:                else
                    928:                        p->offset += width;
                    929:                break;
                    930:        case (MDOC_Column):
1.49      kristaps  931:                assert(width);
1.1       kristaps  932:                p->rmargin = p->offset + width;
1.50      kristaps  933:                /*
                    934:                 * XXX - this behaviour is not documented: the
                    935:                 * right-most column is filled to the right margin.
                    936:                 */
                    937:                if (MDOC_HEAD == node->type &&
                    938:                                MDOC_BODY == node->next->type)
                    939:                        p->rmargin = p->maxrmargin;
1.1       kristaps  940:                break;
                    941:        default:
                    942:                break;
                    943:        }
                    944:
                    945:        /*
                    946:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  947:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  948:         */
                    949:
                    950:        if (MDOC_HEAD == node->type)
                    951:                switch (type) {
                    952:                case (MDOC_Bullet):
1.69    ! kristaps  953:                        p->bold++;
1.1       kristaps  954:                        term_word(p, "\\[bu]");
1.69    ! kristaps  955:                        p->bold--;
1.1       kristaps  956:                        break;
                    957:                case (MDOC_Dash):
                    958:                        /* FALLTHROUGH */
                    959:                case (MDOC_Hyphen):
1.69    ! kristaps  960:                        p->bold++;
1.27      kristaps  961:                        term_word(p, "\\(hy");
1.69    ! kristaps  962:                        p->bold--;
1.1       kristaps  963:                        break;
                    964:                case (MDOC_Enum):
                    965:                        (pair->ppair->ppair->count)++;
                    966:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    967:                                        pair->ppair->ppair->count);
                    968:                        term_word(p, buf);
                    969:                        break;
                    970:                default:
                    971:                        break;
                    972:                }
                    973:
                    974:        /*
                    975:         * If we're not going to process our children, indicate so here.
                    976:         */
                    977:
                    978:        switch (type) {
                    979:        case (MDOC_Bullet):
                    980:                /* FALLTHROUGH */
                    981:        case (MDOC_Item):
                    982:                /* FALLTHROUGH */
                    983:        case (MDOC_Dash):
                    984:                /* FALLTHROUGH */
                    985:        case (MDOC_Hyphen):
                    986:                /* FALLTHROUGH */
                    987:        case (MDOC_Enum):
                    988:                if (MDOC_HEAD == node->type)
                    989:                        return(0);
                    990:                break;
                    991:        case (MDOC_Column):
                    992:                if (MDOC_BODY == node->type)
                    993:                        return(0);
                    994:                break;
                    995:        default:
                    996:                break;
                    997:        }
                    998:
                    999:        return(1);
                   1000: }
                   1001:
                   1002:
                   1003: /* ARGSUSED */
                   1004: static void
                   1005: termp_it_post(DECL_ARGS)
                   1006: {
                   1007:        int                type;
                   1008:
                   1009:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1010:                return;
                   1011:
                   1012:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1013:        assert(-1 != type);
1.1       kristaps 1014:
                   1015:        switch (type) {
                   1016:        case (MDOC_Item):
                   1017:                /* FALLTHROUGH */
1.53      kristaps 1018:        case (MDOC_Diag):
                   1019:                /* FALLTHROUGH */
1.1       kristaps 1020:        case (MDOC_Inset):
                   1021:                if (MDOC_BODY == node->type)
                   1022:                        term_flushln(p);
                   1023:                break;
                   1024:        case (MDOC_Column):
                   1025:                if (MDOC_HEAD == node->type)
                   1026:                        term_flushln(p);
                   1027:                break;
                   1028:        default:
                   1029:                term_flushln(p);
                   1030:                break;
                   1031:        }
                   1032:
                   1033:        p->flags = pair->flag;
                   1034: }
                   1035:
                   1036:
                   1037: /* ARGSUSED */
                   1038: static int
                   1039: termp_nm_pre(DECL_ARGS)
                   1040: {
                   1041:
                   1042:        if (SEC_SYNOPSIS == node->sec)
                   1043:                term_newln(p);
1.69    ! kristaps 1044:        p->bold++;
1.1       kristaps 1045:        if (NULL == node->child)
                   1046:                term_word(p, meta->name);
                   1047:        return(1);
                   1048: }
                   1049:
                   1050:
                   1051: /* ARGSUSED */
                   1052: static int
                   1053: termp_fl_pre(DECL_ARGS)
                   1054: {
                   1055:
1.69    ! kristaps 1056:        p->bold++;
1.1       kristaps 1057:        term_word(p, "\\-");
                   1058:        p->flags |= TERMP_NOSPACE;
                   1059:        return(1);
                   1060: }
                   1061:
                   1062:
                   1063: /* ARGSUSED */
                   1064: static int
1.61      kristaps 1065: termp_an_pre(DECL_ARGS)
                   1066: {
                   1067:
                   1068:        if (NULL == node->child)
                   1069:                return(1);
                   1070:
                   1071:        /*
                   1072:         * XXX: this is poorly documented.  If not in the AUTHORS
                   1073:         * section, `An -split' will cause newlines to occur before the
                   1074:         * author name.  If in the AUTHORS section, by default, the
                   1075:         * first `An' invocation is nosplit, then all subsequent ones,
                   1076:         * regardless of whether interspersed with other macros/text,
                   1077:         * are split.  -split, in this case, will override the condition
                   1078:         * of the implied first -nosplit.
                   1079:         */
                   1080:
                   1081:        if (node->sec == SEC_AUTHORS) {
                   1082:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1083:                        if (TERMP_SPLIT & p->flags)
                   1084:                                term_newln(p);
                   1085:                        return(1);
                   1086:                }
                   1087:                if (TERMP_NOSPLIT & p->flags)
                   1088:                        return(1);
                   1089:                term_newln(p);
                   1090:                return(1);
                   1091:        }
                   1092:
                   1093:        if (TERMP_SPLIT & p->flags)
                   1094:                term_newln(p);
                   1095:
                   1096:        return(1);
                   1097: }
                   1098:
                   1099:
                   1100: /* ARGSUSED */
                   1101: static void
                   1102: termp_an_post(DECL_ARGS)
                   1103: {
                   1104:
                   1105:        if (node->child) {
                   1106:                if (SEC_AUTHORS == node->sec)
                   1107:                        p->flags |= TERMP_ANPREC;
                   1108:                return;
                   1109:        }
                   1110:
                   1111:        if (arg_getattr(MDOC_Split, node) > -1) {
                   1112:                p->flags &= ~TERMP_NOSPLIT;
                   1113:                p->flags |= TERMP_SPLIT;
                   1114:        } else {
                   1115:                p->flags &= ~TERMP_SPLIT;
                   1116:                p->flags |= TERMP_NOSPLIT;
                   1117:        }
                   1118:
                   1119: }
                   1120:
                   1121:
                   1122: /* ARGSUSED */
                   1123: static int
1.1       kristaps 1124: termp_ns_pre(DECL_ARGS)
                   1125: {
                   1126:
                   1127:        p->flags |= TERMP_NOSPACE;
                   1128:        return(1);
                   1129: }
                   1130:
                   1131:
                   1132: /* ARGSUSED */
                   1133: static int
                   1134: termp_pp_pre(DECL_ARGS)
                   1135: {
                   1136:
                   1137:        term_vspace(p);
                   1138:        return(1);
                   1139: }
                   1140:
                   1141:
                   1142: /* ARGSUSED */
                   1143: static int
                   1144: termp_rs_pre(DECL_ARGS)
                   1145: {
                   1146:
                   1147:        if (MDOC_BLOCK == node->type && node->prev)
                   1148:                term_vspace(p);
                   1149:        return(1);
                   1150: }
                   1151:
                   1152:
                   1153: /* ARGSUSED */
                   1154: static int
                   1155: termp_rv_pre(DECL_ARGS)
                   1156: {
1.68      kristaps 1157:        const struct mdoc_node  *nn;
1.1       kristaps 1158:
                   1159:        term_newln(p);
                   1160:        term_word(p, "The");
                   1161:
1.68      kristaps 1162:        nn = node->child;
                   1163:        assert(nn);
                   1164:        for ( ; nn; nn = nn->next) {
1.69    ! kristaps 1165:                p->bold++;
1.68      kristaps 1166:                term_word(p, nn->string);
1.69    ! kristaps 1167:                p->bold--;
1.68      kristaps 1168:                p->flags |= TERMP_NOSPACE;
                   1169:                if (nn->next && NULL == nn->next->next)
                   1170:                        term_word(p, "(), and");
                   1171:                else if (nn->next)
                   1172:                        term_word(p, "(),");
                   1173:                else
                   1174:                        term_word(p, "()");
                   1175:        }
                   1176:
                   1177:        if (node->child->next)
                   1178:                term_word(p, "functions return");
                   1179:        else
                   1180:                term_word(p, "function returns");
1.1       kristaps 1181:
1.68      kristaps 1182:                term_word(p, "the value 0 if successful; otherwise the value "
                   1183:                        "-1 is returned and the global variable");
1.1       kristaps 1184:
1.69    ! kristaps 1185:        p->under++;
1.1       kristaps 1186:        term_word(p, "errno");
1.69    ! kristaps 1187:        p->under--;
1.1       kristaps 1188:
                   1189:                term_word(p, "is set to indicate the error.");
                   1190:
1.68      kristaps 1191:        return(0);
1.1       kristaps 1192: }
                   1193:
                   1194:
                   1195: /* ARGSUSED */
                   1196: static int
                   1197: termp_ex_pre(DECL_ARGS)
                   1198: {
1.68      kristaps 1199:        const struct mdoc_node  *nn;
1.1       kristaps 1200:
1.68      kristaps 1201:        term_word(p, "The");
1.1       kristaps 1202:
1.68      kristaps 1203:        nn = node->child;
                   1204:        assert(nn);
                   1205:        for ( ; nn; nn = nn->next) {
1.69    ! kristaps 1206:                p->bold++;
1.68      kristaps 1207:                term_word(p, nn->string);
1.69    ! kristaps 1208:                p->bold--;
1.68      kristaps 1209:                p->flags |= TERMP_NOSPACE;
                   1210:                if (nn->next && NULL == nn->next->next)
                   1211:                        term_word(p, ", and");
                   1212:                else if (nn->next)
                   1213:                        term_word(p, ",");
                   1214:                else
                   1215:                        p->flags &= ~TERMP_NOSPACE;
                   1216:        }
                   1217:
                   1218:        if (node->child->next)
                   1219:                term_word(p, "utilities exit");
                   1220:        else
                   1221:                term_word(p, "utility exits");
                   1222:
                   1223:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1224:
1.68      kristaps 1225:        return(0);
1.1       kristaps 1226: }
                   1227:
                   1228:
                   1229: /* ARGSUSED */
                   1230: static int
                   1231: termp_nd_pre(DECL_ARGS)
                   1232: {
1.25      kristaps 1233:
                   1234:        if (MDOC_BODY != node->type)
                   1235:                return(1);
1.30      kristaps 1236:
1.27      kristaps 1237: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1238:        term_word(p, "\\(en");
1.23      kristaps 1239: #else
                   1240:        term_word(p, "\\(em");
                   1241: #endif
1.1       kristaps 1242:        return(1);
                   1243: }
                   1244:
                   1245:
                   1246: /* ARGSUSED */
                   1247: static void
                   1248: termp_bl_post(DECL_ARGS)
                   1249: {
                   1250:
                   1251:        if (MDOC_BLOCK == node->type)
                   1252:                term_newln(p);
                   1253: }
                   1254:
                   1255:
                   1256: /* ARGSUSED */
                   1257: static void
                   1258: termp_op_post(DECL_ARGS)
                   1259: {
                   1260:
                   1261:        if (MDOC_BODY != node->type)
                   1262:                return;
                   1263:        p->flags |= TERMP_NOSPACE;
                   1264:        term_word(p, "\\(rB");
                   1265: }
                   1266:
                   1267:
                   1268: /* ARGSUSED */
                   1269: static int
                   1270: termp_xr_pre(DECL_ARGS)
                   1271: {
                   1272:        const struct mdoc_node *n;
                   1273:
1.11      kristaps 1274:        assert(node->child && MDOC_TEXT == node->child->type);
                   1275:        n = node->child;
                   1276:
1.1       kristaps 1277:        term_word(p, n->string);
                   1278:        if (NULL == (n = n->next))
                   1279:                return(0);
                   1280:        p->flags |= TERMP_NOSPACE;
                   1281:        term_word(p, "(");
                   1282:        p->flags |= TERMP_NOSPACE;
                   1283:        term_word(p, n->string);
                   1284:        p->flags |= TERMP_NOSPACE;
                   1285:        term_word(p, ")");
                   1286:        return(0);
                   1287: }
                   1288:
                   1289:
                   1290: /* ARGSUSED */
                   1291: static void
                   1292: termp_vt_post(DECL_ARGS)
                   1293: {
                   1294:
1.32      kristaps 1295:        if (node->sec != SEC_SYNOPSIS)
                   1296:                return;
                   1297:        if (node->next && MDOC_Vt == node->next->tok)
                   1298:                term_newln(p);
                   1299:        else if (node->next)
1.1       kristaps 1300:                term_vspace(p);
                   1301: }
                   1302:
                   1303:
                   1304: /* ARGSUSED */
                   1305: static int
1.69    ! kristaps 1306: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1307: {
                   1308:
1.69    ! kristaps 1309:        p->bold++;
1.1       kristaps 1310:        return(1);
                   1311: }
                   1312:
                   1313:
                   1314: /* ARGSUSED */
                   1315: static void
                   1316: termp_fd_post(DECL_ARGS)
                   1317: {
                   1318:
                   1319:        if (node->sec != SEC_SYNOPSIS)
                   1320:                return;
1.29      kristaps 1321:
1.1       kristaps 1322:        term_newln(p);
                   1323:        if (node->next && MDOC_Fd != node->next->tok)
                   1324:                term_vspace(p);
                   1325: }
                   1326:
                   1327:
                   1328: /* ARGSUSED */
                   1329: static int
                   1330: termp_sh_pre(DECL_ARGS)
                   1331: {
1.64      kristaps 1332:        /*
1.65      kristaps 1333:         * XXX: undocumented: using two `Sh' macros in sequence has no
                   1334:         * vspace between calls, only a newline.
1.64      kristaps 1335:         */
1.1       kristaps 1336:        switch (node->type) {
1.65      kristaps 1337:        case (MDOC_BLOCK):
                   1338:                if (node->prev && MDOC_Sh == node->prev->tok)
                   1339:                        if (NULL == node->prev->body->child)
                   1340:                                break;
                   1341:                term_vspace(p);
                   1342:                break;
1.1       kristaps 1343:        case (MDOC_HEAD):
1.69    ! kristaps 1344:                p->bold++;
1.1       kristaps 1345:                break;
                   1346:        case (MDOC_BODY):
                   1347:                p->offset = INDENT;
                   1348:                break;
                   1349:        default:
                   1350:                break;
                   1351:        }
                   1352:        return(1);
                   1353: }
                   1354:
                   1355:
                   1356: /* ARGSUSED */
                   1357: static void
                   1358: termp_sh_post(DECL_ARGS)
                   1359: {
                   1360:
                   1361:        switch (node->type) {
                   1362:        case (MDOC_HEAD):
                   1363:                term_newln(p);
                   1364:                break;
                   1365:        case (MDOC_BODY):
                   1366:                term_newln(p);
                   1367:                p->offset = 0;
                   1368:                break;
                   1369:        default:
                   1370:                break;
                   1371:        }
                   1372: }
                   1373:
                   1374:
                   1375: /* ARGSUSED */
                   1376: static int
                   1377: termp_op_pre(DECL_ARGS)
                   1378: {
                   1379:
                   1380:        switch (node->type) {
                   1381:        case (MDOC_BODY):
                   1382:                term_word(p, "\\(lB");
                   1383:                p->flags |= TERMP_NOSPACE;
                   1384:                break;
                   1385:        default:
                   1386:                break;
                   1387:        }
                   1388:        return(1);
                   1389: }
                   1390:
                   1391:
                   1392: /* ARGSUSED */
                   1393: static int
                   1394: termp_bt_pre(DECL_ARGS)
                   1395: {
                   1396:
                   1397:        term_word(p, "is currently in beta test.");
                   1398:        return(1);
                   1399: }
                   1400:
                   1401:
                   1402: /* ARGSUSED */
                   1403: static void
                   1404: termp_lb_post(DECL_ARGS)
                   1405: {
                   1406:
                   1407:        term_newln(p);
                   1408: }
                   1409:
                   1410:
                   1411: /* ARGSUSED */
                   1412: static int
                   1413: termp_ud_pre(DECL_ARGS)
                   1414: {
                   1415:
                   1416:        term_word(p, "currently under development.");
                   1417:        return(1);
                   1418: }
                   1419:
                   1420:
                   1421: /* ARGSUSED */
                   1422: static int
                   1423: termp_d1_pre(DECL_ARGS)
                   1424: {
                   1425:
1.4       kristaps 1426:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1427:                return(1);
                   1428:        term_newln(p);
1.29      kristaps 1429:        p->offset += (INDENT + 1);
1.1       kristaps 1430:        return(1);
                   1431: }
                   1432:
                   1433:
                   1434: /* ARGSUSED */
                   1435: static void
                   1436: termp_d1_post(DECL_ARGS)
                   1437: {
                   1438:
1.4       kristaps 1439:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1440:                return;
                   1441:        term_newln(p);
                   1442: }
                   1443:
                   1444:
                   1445: /* ARGSUSED */
                   1446: static int
                   1447: termp_aq_pre(DECL_ARGS)
                   1448: {
                   1449:
                   1450:        if (MDOC_BODY != node->type)
                   1451:                return(1);
                   1452:        term_word(p, "\\(la");
                   1453:        p->flags |= TERMP_NOSPACE;
                   1454:        return(1);
                   1455: }
                   1456:
                   1457:
                   1458: /* ARGSUSED */
                   1459: static void
                   1460: termp_aq_post(DECL_ARGS)
                   1461: {
                   1462:
                   1463:        if (MDOC_BODY != node->type)
                   1464:                return;
                   1465:        p->flags |= TERMP_NOSPACE;
                   1466:        term_word(p, "\\(ra");
                   1467: }
                   1468:
                   1469:
                   1470: /* ARGSUSED */
                   1471: static int
                   1472: termp_ft_pre(DECL_ARGS)
                   1473: {
                   1474:
                   1475:        if (SEC_SYNOPSIS == node->sec)
                   1476:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1477:                        term_vspace(p);
1.69    ! kristaps 1478:        p->under++;
1.1       kristaps 1479:        return(1);
                   1480: }
                   1481:
                   1482:
                   1483: /* ARGSUSED */
                   1484: static void
                   1485: termp_ft_post(DECL_ARGS)
                   1486: {
                   1487:
                   1488:        if (SEC_SYNOPSIS == node->sec)
                   1489:                term_newln(p);
                   1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static int
                   1495: termp_fn_pre(DECL_ARGS)
                   1496: {
                   1497:        const struct mdoc_node *n;
                   1498:
1.11      kristaps 1499:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1500:
                   1501:        /* FIXME: can be "type funcname" "type varname"... */
                   1502:
1.69    ! kristaps 1503:        p->bold++;
1.1       kristaps 1504:        term_word(p, node->child->string);
1.69    ! kristaps 1505:        p->bold--;
1.1       kristaps 1506:
                   1507:        p->flags |= TERMP_NOSPACE;
                   1508:        term_word(p, "(");
                   1509:
                   1510:        for (n = node->child->next; n; n = n->next) {
1.69    ! kristaps 1511:                p->under++;
1.1       kristaps 1512:                term_word(p, n->string);
1.69    ! kristaps 1513:                p->under--;
1.1       kristaps 1514:                if (n->next)
                   1515:                        term_word(p, ",");
                   1516:        }
                   1517:
                   1518:        term_word(p, ")");
                   1519:
                   1520:        if (SEC_SYNOPSIS == node->sec)
                   1521:                term_word(p, ";");
                   1522:
                   1523:        return(0);
                   1524: }
                   1525:
                   1526:
                   1527: /* ARGSUSED */
                   1528: static void
                   1529: termp_fn_post(DECL_ARGS)
                   1530: {
                   1531:
                   1532:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1533:                term_vspace(p);
                   1534: }
                   1535:
                   1536:
                   1537: /* ARGSUSED */
                   1538: static int
                   1539: termp_fa_pre(DECL_ARGS)
                   1540: {
                   1541:        struct mdoc_node *n;
                   1542:
                   1543:        if (node->parent->tok != MDOC_Fo) {
1.69    ! kristaps 1544:                p->under++;
1.1       kristaps 1545:                return(1);
                   1546:        }
                   1547:
                   1548:        for (n = node->child; n; n = n->next) {
1.69    ! kristaps 1549:                p->under++;
1.1       kristaps 1550:                term_word(p, n->string);
1.69    ! kristaps 1551:                p->under--;
1.1       kristaps 1552:                if (n->next)
                   1553:                        term_word(p, ",");
                   1554:        }
                   1555:
                   1556:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1557:                term_word(p, ",");
                   1558:
                   1559:        return(0);
                   1560: }
                   1561:
                   1562:
                   1563: /* ARGSUSED */
                   1564: static int
                   1565: termp_bd_pre(DECL_ARGS)
                   1566: {
1.60      kristaps 1567:        int              i, type;
1.1       kristaps 1568:
                   1569:        /*
                   1570:         * This is fairly tricky due primarily to crappy documentation.
                   1571:         * If -ragged or -filled are specified, the block does nothing
                   1572:         * but change the indentation.
                   1573:         *
                   1574:         * If, on the other hand, -unfilled or -literal are specified,
                   1575:         * then the game changes.  Text is printed exactly as entered in
                   1576:         * the display: if a macro line, a newline is appended to the
                   1577:         * line.  Blank lines are allowed.
                   1578:         */
                   1579:
1.54      kristaps 1580:        if (MDOC_BLOCK == node->type) {
                   1581:                fmt_block_vspace(p, node, node);
                   1582:                return(1);
                   1583:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1584:                return(1);
                   1585:
1.60      kristaps 1586:        assert(node->parent->args);
1.11      kristaps 1587:
1.60      kristaps 1588:        for (type = -1, i = 0; -1 == type &&
1.1       kristaps 1589:                        i < (int)node->parent->args->argc; i++) {
                   1590:                switch (node->parent->args->argv[i].arg) {
                   1591:                case (MDOC_Ragged):
                   1592:                        /* FALLTHROUGH */
                   1593:                case (MDOC_Filled):
                   1594:                        /* FALLTHROUGH */
                   1595:                case (MDOC_Unfilled):
                   1596:                        /* FALLTHROUGH */
                   1597:                case (MDOC_Literal):
                   1598:                        type = node->parent->args->argv[i].arg;
                   1599:                        break;
                   1600:                default:
                   1601:                        break;
                   1602:                }
                   1603:        }
1.60      kristaps 1604:
                   1605:        assert(type > -1);
1.1       kristaps 1606:
                   1607:        i = arg_getattr(MDOC_Offset, node->parent);
1.60      kristaps 1608:        if (-1 != i)
1.1       kristaps 1609:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1610:
                   1611:        switch (type) {
                   1612:        case (MDOC_Literal):
                   1613:                /* FALLTHROUGH */
                   1614:        case (MDOC_Unfilled):
                   1615:                break;
                   1616:        default:
                   1617:                return(1);
                   1618:        }
                   1619:
                   1620:        for (node = node->child; node; node = node->next) {
1.60      kristaps 1621:                p->flags |= TERMP_NOSPACE;
                   1622:                print_node(p, pair, meta, node);
                   1623:                if (node->next)
1.1       kristaps 1624:                        term_flushln(p);
                   1625:        }
                   1626:
                   1627:        return(0);
                   1628: }
                   1629:
                   1630:
                   1631: /* ARGSUSED */
                   1632: static void
                   1633: termp_bd_post(DECL_ARGS)
                   1634: {
                   1635:
                   1636:        if (MDOC_BODY != node->type)
                   1637:                return;
1.60      kristaps 1638:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1639:        term_flushln(p);
                   1640: }
                   1641:
                   1642:
                   1643: /* ARGSUSED */
                   1644: static int
                   1645: termp_qq_pre(DECL_ARGS)
                   1646: {
                   1647:
                   1648:        if (MDOC_BODY != node->type)
                   1649:                return(1);
                   1650:        term_word(p, "\"");
                   1651:        p->flags |= TERMP_NOSPACE;
                   1652:        return(1);
                   1653: }
                   1654:
                   1655:
                   1656: /* ARGSUSED */
                   1657: static void
                   1658: termp_qq_post(DECL_ARGS)
                   1659: {
                   1660:
                   1661:        if (MDOC_BODY != node->type)
                   1662:                return;
                   1663:        p->flags |= TERMP_NOSPACE;
                   1664:        term_word(p, "\"");
                   1665: }
                   1666:
                   1667:
                   1668: /* ARGSUSED */
                   1669: static void
                   1670: termp_bx_post(DECL_ARGS)
                   1671: {
                   1672:
                   1673:        if (node->child)
                   1674:                p->flags |= TERMP_NOSPACE;
                   1675:        term_word(p, "BSD");
                   1676: }
                   1677:
                   1678:
                   1679: /* ARGSUSED */
                   1680: static int
1.26      kristaps 1681: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1682: {
1.26      kristaps 1683:        const char      *pp;
1.1       kristaps 1684:
1.26      kristaps 1685:        pp = NULL;
                   1686:        switch (node->tok) {
                   1687:        case (MDOC_Bsx):
                   1688:                pp = "BSDI BSD/OS";
                   1689:                break;
                   1690:        case (MDOC_Dx):
                   1691:                pp = "DragonFlyBSD";
                   1692:                break;
                   1693:        case (MDOC_Fx):
                   1694:                pp = "FreeBSD";
                   1695:                break;
                   1696:        case (MDOC_Nx):
                   1697:                pp = "NetBSD";
                   1698:                break;
                   1699:        case (MDOC_Ox):
                   1700:                pp = "OpenBSD";
                   1701:                break;
                   1702:        case (MDOC_Ux):
                   1703:                pp = "UNIX";
                   1704:                break;
                   1705:        default:
                   1706:                break;
                   1707:        }
1.1       kristaps 1708:
1.26      kristaps 1709:        assert(pp);
                   1710:        term_word(p, pp);
1.1       kristaps 1711:        return(1);
                   1712: }
                   1713:
                   1714:
                   1715: /* ARGSUSED */
                   1716: static int
                   1717: termp_sq_pre(DECL_ARGS)
                   1718: {
                   1719:
                   1720:        if (MDOC_BODY != node->type)
                   1721:                return(1);
                   1722:        term_word(p, "\\(oq");
                   1723:        p->flags |= TERMP_NOSPACE;
                   1724:        return(1);
                   1725: }
                   1726:
                   1727:
                   1728: /* ARGSUSED */
                   1729: static void
                   1730: termp_sq_post(DECL_ARGS)
                   1731: {
                   1732:
                   1733:        if (MDOC_BODY != node->type)
                   1734:                return;
                   1735:        p->flags |= TERMP_NOSPACE;
                   1736:        term_word(p, "\\(aq");
                   1737: }
                   1738:
                   1739:
                   1740: /* ARGSUSED */
                   1741: static int
                   1742: termp_pf_pre(DECL_ARGS)
                   1743: {
                   1744:
                   1745:        p->flags |= TERMP_IGNDELIM;
                   1746:        return(1);
                   1747: }
                   1748:
                   1749:
                   1750: /* ARGSUSED */
                   1751: static void
                   1752: termp_pf_post(DECL_ARGS)
                   1753: {
                   1754:
                   1755:        p->flags &= ~TERMP_IGNDELIM;
                   1756:        p->flags |= TERMP_NOSPACE;
                   1757: }
                   1758:
                   1759:
                   1760: /* ARGSUSED */
                   1761: static int
                   1762: termp_ss_pre(DECL_ARGS)
                   1763: {
                   1764:
                   1765:        switch (node->type) {
                   1766:        case (MDOC_BLOCK):
                   1767:                term_newln(p);
                   1768:                if (node->prev)
                   1769:                        term_vspace(p);
                   1770:                break;
                   1771:        case (MDOC_HEAD):
1.69    ! kristaps 1772:                p->bold++;
1.5       kristaps 1773:                p->offset = HALFINDENT;
1.1       kristaps 1774:                break;
                   1775:        default:
                   1776:                break;
                   1777:        }
                   1778:
                   1779:        return(1);
                   1780: }
                   1781:
                   1782:
                   1783: /* ARGSUSED */
                   1784: static void
                   1785: termp_ss_post(DECL_ARGS)
                   1786: {
                   1787:
1.29      kristaps 1788:        if (MDOC_HEAD == node->type)
1.1       kristaps 1789:                term_newln(p);
                   1790: }
                   1791:
                   1792:
                   1793: /* ARGSUSED */
                   1794: static int
                   1795: termp_cd_pre(DECL_ARGS)
                   1796: {
                   1797:
1.69    ! kristaps 1798:        p->bold++;
1.1       kristaps 1799:        term_newln(p);
                   1800:        return(1);
                   1801: }
                   1802:
                   1803:
                   1804: /* ARGSUSED */
                   1805: static int
                   1806: termp_in_pre(DECL_ARGS)
                   1807: {
                   1808:
1.69    ! kristaps 1809:        p->bold++;
1.22      kristaps 1810:        if (SEC_SYNOPSIS == node->sec)
                   1811:                term_word(p, "#include");
                   1812:
1.1       kristaps 1813:        term_word(p, "<");
                   1814:        p->flags |= TERMP_NOSPACE;
                   1815:        return(1);
                   1816: }
                   1817:
                   1818:
                   1819: /* ARGSUSED */
                   1820: static void
                   1821: termp_in_post(DECL_ARGS)
                   1822: {
                   1823:
1.69    ! kristaps 1824:        p->bold++;
1.1       kristaps 1825:        term_word(p, ">");
1.69    ! kristaps 1826:        p->bold--;
1.1       kristaps 1827:
                   1828:        if (SEC_SYNOPSIS != node->sec)
                   1829:                return;
1.22      kristaps 1830:
                   1831:        term_newln(p);
                   1832:        /*
                   1833:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1834:         * the SYNOPSIS section, then it produces a single break after
                   1835:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1836:         * construction is rarely used, I think it's fine.
                   1837:         */
1.1       kristaps 1838:        if (node->next && MDOC_In != node->next->tok)
                   1839:                term_vspace(p);
                   1840: }
                   1841:
                   1842:
                   1843: /* ARGSUSED */
                   1844: static int
1.45      kristaps 1845: termp_sp_pre(DECL_ARGS)
                   1846: {
                   1847:        int              i, len;
                   1848:
                   1849:        if (NULL == node->child) {
                   1850:                term_vspace(p);
                   1851:                return(0);
                   1852:        }
                   1853:
                   1854:        len = atoi(node->child->string);
                   1855:        if (0 == len)
                   1856:                term_newln(p);
                   1857:        for (i = 0; i < len; i++)
                   1858:                term_vspace(p);
                   1859:
                   1860:        return(0);
                   1861: }
                   1862:
                   1863:
                   1864: /* ARGSUSED */
                   1865: static int
1.44      kristaps 1866: termp_br_pre(DECL_ARGS)
                   1867: {
                   1868:
                   1869:        term_newln(p);
                   1870:        return(1);
                   1871: }
                   1872:
                   1873:
                   1874: /* ARGSUSED */
                   1875: static int
1.1       kristaps 1876: termp_brq_pre(DECL_ARGS)
                   1877: {
                   1878:
                   1879:        if (MDOC_BODY != node->type)
                   1880:                return(1);
                   1881:        term_word(p, "\\(lC");
                   1882:        p->flags |= TERMP_NOSPACE;
                   1883:        return(1);
                   1884: }
                   1885:
                   1886:
                   1887: /* ARGSUSED */
                   1888: static void
                   1889: termp_brq_post(DECL_ARGS)
                   1890: {
                   1891:
                   1892:        if (MDOC_BODY != node->type)
                   1893:                return;
                   1894:        p->flags |= TERMP_NOSPACE;
                   1895:        term_word(p, "\\(rC");
                   1896: }
                   1897:
                   1898:
                   1899: /* ARGSUSED */
                   1900: static int
                   1901: termp_bq_pre(DECL_ARGS)
                   1902: {
                   1903:
                   1904:        if (MDOC_BODY != node->type)
                   1905:                return(1);
                   1906:        term_word(p, "\\(lB");
                   1907:        p->flags |= TERMP_NOSPACE;
                   1908:        return(1);
                   1909: }
                   1910:
                   1911:
                   1912: /* ARGSUSED */
                   1913: static void
                   1914: termp_bq_post(DECL_ARGS)
                   1915: {
                   1916:
                   1917:        if (MDOC_BODY != node->type)
                   1918:                return;
                   1919:        p->flags |= TERMP_NOSPACE;
                   1920:        term_word(p, "\\(rB");
                   1921: }
                   1922:
                   1923:
                   1924: /* ARGSUSED */
                   1925: static int
                   1926: termp_pq_pre(DECL_ARGS)
                   1927: {
                   1928:
                   1929:        if (MDOC_BODY != node->type)
                   1930:                return(1);
                   1931:        term_word(p, "\\&(");
                   1932:        p->flags |= TERMP_NOSPACE;
                   1933:        return(1);
                   1934: }
                   1935:
                   1936:
                   1937: /* ARGSUSED */
                   1938: static void
                   1939: termp_pq_post(DECL_ARGS)
                   1940: {
                   1941:
                   1942:        if (MDOC_BODY != node->type)
                   1943:                return;
                   1944:        term_word(p, ")");
                   1945: }
                   1946:
                   1947:
                   1948: /* ARGSUSED */
                   1949: static int
                   1950: termp_fo_pre(DECL_ARGS)
                   1951: {
                   1952:        const struct mdoc_node *n;
                   1953:
                   1954:        if (MDOC_BODY == node->type) {
1.33      kristaps 1955:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1956:                term_word(p, "(");
                   1957:                p->flags |= TERMP_NOSPACE;
                   1958:                return(1);
                   1959:        } else if (MDOC_HEAD != node->type)
                   1960:                return(1);
                   1961:
1.69    ! kristaps 1962:        p->bold++;
1.1       kristaps 1963:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1964:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1965:                term_word(p, n->string);
                   1966:        }
1.69    ! kristaps 1967:        p->bold--;
1.1       kristaps 1968:
                   1969:        return(0);
                   1970: }
                   1971:
                   1972:
                   1973: /* ARGSUSED */
                   1974: static void
                   1975: termp_fo_post(DECL_ARGS)
                   1976: {
                   1977:
                   1978:        if (MDOC_BODY != node->type)
                   1979:                return;
                   1980:        p->flags |= TERMP_NOSPACE;
                   1981:        term_word(p, ")");
                   1982:        p->flags |= TERMP_NOSPACE;
                   1983:        term_word(p, ";");
                   1984:        term_newln(p);
                   1985: }
                   1986:
                   1987:
                   1988: /* ARGSUSED */
                   1989: static int
                   1990: termp_bf_pre(DECL_ARGS)
                   1991: {
                   1992:        const struct mdoc_node  *n;
                   1993:
1.28      kristaps 1994:        if (MDOC_HEAD == node->type)
1.1       kristaps 1995:                return(0);
1.28      kristaps 1996:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 1997:                return(1);
                   1998:
                   1999:        if (NULL == (n = node->head->child)) {
                   2000:                if (arg_hasattr(MDOC_Emphasis, node))
1.69    ! kristaps 2001:                        p->under++;
1.1       kristaps 2002:                else if (arg_hasattr(MDOC_Symbolic, node))
1.69    ! kristaps 2003:                        p->bold++;
1.1       kristaps 2004:
                   2005:                return(1);
                   2006:        }
                   2007:
1.11      kristaps 2008:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2009:        if (0 == strcmp("Em", n->string))
1.69    ! kristaps 2010:                p->under++;
1.1       kristaps 2011:        else if (0 == strcmp("Sy", n->string))
1.69    ! kristaps 2012:                p->bold++;
1.1       kristaps 2013:
                   2014:        return(1);
                   2015: }
                   2016:
                   2017:
                   2018: /* ARGSUSED */
                   2019: static int
                   2020: termp_sm_pre(DECL_ARGS)
                   2021: {
                   2022:
1.11      kristaps 2023:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2024:        if (0 == strcmp("on", node->child->string)) {
                   2025:                p->flags &= ~TERMP_NONOSPACE;
                   2026:                p->flags &= ~TERMP_NOSPACE;
                   2027:        } else
                   2028:                p->flags |= TERMP_NONOSPACE;
                   2029:
                   2030:        return(0);
                   2031: }
                   2032:
                   2033:
                   2034: /* ARGSUSED */
                   2035: static int
                   2036: termp_ap_pre(DECL_ARGS)
                   2037: {
                   2038:
                   2039:        p->flags |= TERMP_NOSPACE;
                   2040:        term_word(p, "\\(aq");
                   2041:        p->flags |= TERMP_NOSPACE;
                   2042:        return(1);
                   2043: }
                   2044:
                   2045:
                   2046: /* ARGSUSED */
                   2047: static void
                   2048: termp____post(DECL_ARGS)
                   2049: {
                   2050:
                   2051:        p->flags |= TERMP_NOSPACE;
                   2052:        term_word(p, node->next ? "," : ".");
                   2053: }
                   2054:
                   2055:
                   2056: /* ARGSUSED */
                   2057: static int
                   2058: termp_lk_pre(DECL_ARGS)
                   2059: {
                   2060:        const struct mdoc_node *n;
                   2061:
1.11      kristaps 2062:        assert(node->child);
                   2063:        n = node->child;
1.1       kristaps 2064:
1.12      kristaps 2065:        if (NULL == n->next) {
1.69    ! kristaps 2066:                p->under++;
1.12      kristaps 2067:                return(1);
                   2068:        }
                   2069:
1.69    ! kristaps 2070:        p->under++;
1.1       kristaps 2071:        term_word(p, n->string);
                   2072:        p->flags |= TERMP_NOSPACE;
                   2073:        term_word(p, ":");
1.69    ! kristaps 2074:        p->under--;
1.1       kristaps 2075:
1.69    ! kristaps 2076:        p->bold++;
1.12      kristaps 2077:        for (n = n->next; n; n = n->next)
1.1       kristaps 2078:                term_word(p, n->string);
1.69    ! kristaps 2079:        p->bold--;
1.12      kristaps 2080:
1.1       kristaps 2081:        return(0);
                   2082: }
                   2083:
                   2084:
                   2085: /* ARGSUSED */
                   2086: static int
1.69    ! kristaps 2087: termp_under_pre(DECL_ARGS)
1.1       kristaps 2088: {
                   2089:
1.69    ! kristaps 2090:        p->under++;
1.1       kristaps 2091:        return(1);
                   2092: }

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